/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server.tv; import static android.media.AudioManager.DEVICE_NONE; import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED; import static android.media.tv.TvInputManager.INPUT_STATE_CONNECTED_STANDBY; import static android.media.tv.flags.Flags.tifUnbindInactiveTis; import static android.media.tv.flags.Flags.kidsModeTvdbSharing; import static android.media.tv.flags.Flags.hdmiControlEnhancedBehavior; import android.annotation.NonNull; import android.annotation.Nullable; import android.annotation.UserIdInt; import android.app.ActivityManager; import android.content.AttributionSource; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.ServiceConnection; import android.content.pm.ActivityInfo; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; import android.content.pm.ServiceInfo; import android.content.pm.UserInfo; import android.content.res.Resources; import android.graphics.Rect; import android.hardware.hdmi.HdmiClient; import android.hardware.hdmi.HdmiControlManager; import android.hardware.hdmi.HdmiDeviceInfo; import android.hardware.hdmi.HdmiTvClient; import android.media.AudioPresentation; import android.media.PlaybackParams; import android.media.quality.MediaQualityManager; import android.media.tv.AdBuffer; import android.media.tv.AdRequest; import android.media.tv.AdResponse; import android.media.tv.AitInfo; import android.media.tv.BroadcastInfoRequest; import android.media.tv.BroadcastInfoResponse; import android.media.tv.DvbDeviceInfo; import android.media.tv.ITvInputClient; import android.media.tv.ITvInputHardware; import android.media.tv.ITvInputHardwareCallback; import android.media.tv.ITvInputManager; import android.media.tv.ITvInputManagerCallback; import android.media.tv.ITvInputService; import android.media.tv.ITvInputServiceCallback; import android.media.tv.ITvInputSession; import android.media.tv.ITvInputSessionCallback; import android.media.tv.TunedInfo; import android.media.tv.TvContentRating; import android.media.tv.TvContentRatingSystemInfo; import android.media.tv.TvContract; import android.media.tv.TvInputHardwareInfo; import android.media.tv.TvInputInfo; import android.media.tv.TvInputManager; import android.media.tv.TvInputService; import android.media.tv.TvStreamConfig; import android.media.tv.TvTrackInfo; import android.media.tv.tunerresourcemanager.TunerResourceManager; import android.net.Uri; import android.os.Binder; import android.os.Bundle; import android.os.Handler; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.ParcelFileDescriptor; import android.os.Process; import android.os.RemoteCallbackList; import android.os.RemoteException; import android.os.ShellCallback; import android.os.UserHandle; import android.os.UserManager; import android.text.TextUtils; import android.util.ArrayMap; import android.util.Pair; import android.util.Slog; import android.util.SparseArray; import android.view.InputChannel; import android.view.Surface; import com.android.internal.R; import com.android.internal.annotations.GuardedBy; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.content.PackageMonitor; import com.android.internal.os.SomeArgs; import com.android.internal.util.CollectionUtils; import com.android.internal.util.DumpUtils; import com.android.internal.util.FrameworkStatsLog; import com.android.internal.util.IndentingPrintWriter; import com.android.server.IoThread; import com.android.server.SystemService; import dalvik.annotation.optimization.NeverCompile; import java.io.File; import java.io.FileDescriptor; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Objects; import java.util.Set; import java.util.UUID; import java.util.regex.Matcher; import java.util.regex.Pattern; /** This class provides a system service that manages television inputs. */ public final class TvInputManagerService extends SystemService { private static final boolean DEBUG = false; private static final String TAG = "TvInputManagerService"; private static final String DVB_DIRECTORY = "/dev/dvb"; private static final int APP_TAG_SELF = TunedInfo.APP_TAG_SELF; private static final String PERMISSION_ACCESS_WATCHED_PROGRAMS = "com.android.providers.tv.permission.ACCESS_WATCHED_PROGRAMS"; private static final long UPDATE_HARDWARE_TIS_BINDING_DELAY_IN_MILLIS = 10 * 1000; // 10 seconds private static final long SET_TV_AS_ACTIVE_SOURCE_IF_NO_REQUEST_DELAY_IN_MILLIS = 10 * 1000; // 10 seconds private static String sConfiguredTvProfileName; // There are two different formats of DVB frontend devices. One is /dev/dvb%d.frontend%d, // another one is /dev/dvb/adapter%d/frontend%d. Followings are the patterns for selecting the // DVB frontend devices from the list of files in the /dev and /dev/dvb/adapter%d directory. private static final Pattern sFrontEndDevicePattern = Pattern.compile("^dvb([0-9]+)\\.frontend([0-9]+)$"); private static final Pattern sAdapterDirPattern = Pattern.compile("^adapter([0-9]+)$"); private static final Pattern sFrontEndInAdapterDirPattern = Pattern.compile("^frontend([0-9]+)$"); private final Context mContext; private final TvInputHardwareManager mTvInputHardwareManager; private final UserManager mUserManager; // A global lock. private final Object mLock = new Object(); // ID of the current user. @GuardedBy("mLock") private int mCurrentUserId = UserHandle.USER_SYSTEM; // ID of the current on-screen input. @GuardedBy("mLock") private String mOnScreenInputId = null; // SessionState of the currently active on-screen TIS session. @GuardedBy("mLock") private SessionState mOnScreenSessionState = null; // IDs of the running profiles. Their parent user ID should be mCurrentUserId. @GuardedBy("mLock") private final Set mRunningProfiles = new HashSet<>(); // A map from user id to UserState. @GuardedBy("mLock") private final SparseArray mUserStates = new SparseArray<>(); // A map from session id to session state saved in userstate @GuardedBy("mLock") private final Map mSessionIdToSessionStateMap = new HashMap<>(); private final MessageHandler mMessageHandler; private final MyPackageMonitor mPackageMonitor; private final ActivityManager mActivityManager; private boolean mExternalInputLoggingDisplayNameFilterEnabled = false; private final HashSet mExternalInputLoggingDeviceOnScreenDisplayNames = new HashSet(); private final List mExternalInputLoggingDeviceBrandNames = new ArrayList(); private HdmiControlManager mHdmiControlManager = null; private HdmiTvClient mHdmiTvClient = null; private MediaQualityManager mMediaQualityManager = null; public TvInputManagerService(Context context) { super(context); mContext = context; mMessageHandler = new MessageHandler(mContext.getContentResolver(), IoThread.get().getLooper()); mTvInputHardwareManager = new TvInputHardwareManager(context, new HardwareListener()); mPackageMonitor = new MyPackageMonitor(/* supportsPackageRestartQuery */ true); mActivityManager = (ActivityManager) getContext().getSystemService(Context.ACTIVITY_SERVICE); mUserManager = (UserManager) getContext().getSystemService(Context.USER_SERVICE); mHdmiControlManager = mContext.getSystemService(HdmiControlManager.class); if (mHdmiControlManager == null) { Slog.w(TAG, "HdmiControlManager is null!"); } else { mHdmiTvClient = mHdmiControlManager.getTvClient(); } synchronized (mLock) { getOrCreateUserStateLocked(mCurrentUserId); } initExternalInputLoggingConfigs(); initConfigTvProfileName(); } @Override public void onStart() { publishBinderService(Context.TV_INPUT_SERVICE, new BinderService()); if (!hdmiControlEnhancedBehavior()) { return; } // To ensure the TV claims CEC active source status correctly, a receiver is registered to // monitor wake-up and sleep intents. Upon wake-up, this receiver sends a delayed message // triggering a TIF call into a CEC API to claim TV as the active source. // However, the API call is cancelled if the TV switches inputs or goes to sleep. IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); mContext.registerReceiver(new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); switch (action) { case Intent.ACTION_SCREEN_ON: Slog.w(TAG, "The TV woke up."); mMessageHandler.removeMessages( MessageHandler.MSG_CHECK_TV_AS_ACTIVE_SOURCE); Message msg = mMessageHandler .obtainMessage(MessageHandler.MSG_CHECK_TV_AS_ACTIVE_SOURCE); mMessageHandler.sendMessageDelayed(msg, SET_TV_AS_ACTIVE_SOURCE_IF_NO_REQUEST_DELAY_IN_MILLIS); break; case Intent.ACTION_SCREEN_OFF: Slog.w(TAG, "The TV turned off."); mMessageHandler.removeMessages( MessageHandler.MSG_CHECK_TV_AS_ACTIVE_SOURCE); break; default: return; } } }, filter); } @Override public void onBootPhase(int phase) { if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { registerBroadcastReceivers(); } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { synchronized (mLock) { buildTvInputListLocked(mCurrentUserId, null); buildTvContentRatingSystemListLocked(mCurrentUserId); } } mTvInputHardwareManager.onBootPhase(phase); } @Override public void onUserUnlocking(@NonNull TargetUser user) { if (DEBUG) Slog.d(TAG, "onUnlockUser(user=" + user + ")"); synchronized (mLock) { if (mCurrentUserId != user.getUserIdentifier()) { return; } buildTvInputListLocked(mCurrentUserId, null); buildTvContentRatingSystemListLocked(mCurrentUserId); } } private void initExternalInputLoggingConfigs() { mExternalInputLoggingDisplayNameFilterEnabled = mContext.getResources().getBoolean( R.bool.config_tvExternalInputLoggingDisplayNameFilterEnabled); if (!mExternalInputLoggingDisplayNameFilterEnabled) { return; } final String[] deviceOnScreenDisplayNames = mContext.getResources().getStringArray( R.array.config_tvExternalInputLoggingDeviceOnScreenDisplayNames); final String[] deviceBrandNames = mContext.getResources().getStringArray( R.array.config_tvExternalInputLoggingDeviceBrandNames); mExternalInputLoggingDeviceOnScreenDisplayNames.addAll( Arrays.asList(deviceOnScreenDisplayNames)); mExternalInputLoggingDeviceBrandNames.addAll(Arrays.asList(deviceBrandNames)); } private void initConfigTvProfileName() { try { sConfiguredTvProfileName = mContext.getResources().getString( R.string.config_configured_tv_profile_name); } catch (Resources.NotFoundException e) { sConfiguredTvProfileName = ""; } } private class MyPackageMonitor extends PackageMonitor { MyPackageMonitor(boolean supportsPackageRestartQuery) { super(supportsPackageRestartQuery); } private void buildTvInputList(String[] packages) { int userId = getChangingUserId(); synchronized (mLock) { if (mCurrentUserId == userId || mRunningProfiles.contains(userId)) { buildTvInputListLocked(userId, packages); buildTvContentRatingSystemListLocked(userId); } } } @Override public void onPackageUpdateFinished(String packageName, int uid) { if (DEBUG) Slog.d(TAG, "onPackageUpdateFinished(packageName=" + packageName + ")"); // This callback is invoked when the TV input is reinstalled. // In this case, isReplacing() always returns true. buildTvInputList(new String[] { packageName }); } @Override public void onPackagesAvailable(String[] packages) { if (DEBUG) { Slog.d(TAG, "onPackagesAvailable(packages=" + Arrays.toString(packages) + ")"); } // This callback is invoked when the media on which some packages exist become // available. if (isReplacing()) { buildTvInputList(packages); } } @Override public void onPackagesUnavailable(String[] packages) { // This callback is invoked when the media on which some packages exist become // unavailable. if (DEBUG) { Slog.d(TAG, "onPackagesUnavailable(packages=" + Arrays.toString(packages) + ")"); } if (isReplacing()) { buildTvInputList(packages); } } @Override public void onSomePackagesChanged() { // TODO: Use finer-grained methods(e.g. onPackageAdded, onPackageRemoved) to manage // the TV inputs. if (DEBUG) Slog.d(TAG, "onSomePackagesChanged()"); if (isReplacing()) { if (DEBUG) Slog.d(TAG, "Skipped building TV input list due to replacing"); // When the package is updated, buildTvInputListLocked is called in other // methods instead. return; } buildTvInputList(null); } @Override public boolean onPackageChanged(String packageName, int uid, String[] components) { // The input list needs to be updated in any cases, regardless of whether // it happened to the whole package or a specific component. Returning true so that // the update can be handled in {@link #onSomePackagesChanged}. return true; } } private void registerBroadcastReceivers() { mPackageMonitor.register(mContext, null, UserHandle.ALL, true); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(Intent.ACTION_USER_SWITCHED); intentFilter.addAction(Intent.ACTION_USER_REMOVED); intentFilter.addAction(Intent.ACTION_USER_STARTED); intentFilter.addAction(Intent.ACTION_USER_STOPPED); intentFilter.addAction(Intent.ACTION_USER_INFO_CHANGED); mContext.registerReceiverAsUser(new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (Intent.ACTION_USER_SWITCHED.equals(action)) { switchUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); } else if (Intent.ACTION_USER_REMOVED.equals(action)) { removeUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0)); } else if (Intent.ACTION_USER_STARTED.equals(action)) { int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); UserInfo userInfo = mUserManager.getUserInfo(userId); // Start user directly for devices without the configuration and when the // profile has been configured previously, i.e. has onboarded successfully if (sConfiguredTvProfileName.isEmpty() || (userInfo.name.equals( sConfiguredTvProfileName) && userInfo.isProfile())) { startUser(userId); } // For non-configured new user, do not call startUser until // ACTION_USER_INFO_CHANGED is received } else if (Intent.ACTION_USER_STOPPED.equals(action)) { int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); stopUser(userId); } else if (Intent.ACTION_USER_INFO_CHANGED.equals(action)) { // Act upon this intent only if config is defined if (!sConfiguredTvProfileName.isEmpty()) { int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); UserInfo userInfo = mUserManager.getUserInfo(userId); if (userInfo.name.equals(sConfiguredTvProfileName) && userInfo.isProfile() && mUserManager.isUserRunning(userId)) { startUser(userId); } } } } }, UserHandle.ALL, intentFilter, null, null); } private static boolean hasAlwaysBoundPermission(PackageManager pm, ComponentName component) { return pm.checkPermission(android.Manifest.permission.ALWAYS_BOUND_TV_INPUT, component.getPackageName()) == PackageManager.PERMISSION_GRANTED; } private static boolean hasHardwarePermission(PackageManager pm, ComponentName component) { return pm.checkPermission(android.Manifest.permission.TV_INPUT_HARDWARE, component.getPackageName()) == PackageManager.PERMISSION_GRANTED; } @GuardedBy("mLock") private void buildTvInputListLocked(int userId, String[] updatedPackages) { UserState userState = getOrCreateUserStateLocked(userId); userState.packageSet.clear(); if (DEBUG) Slog.d(TAG, "buildTvInputList"); PackageManager pm = mContext.getPackageManager(); List services = pm.queryIntentServicesAsUser( new Intent(TvInputService.SERVICE_INTERFACE), PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, userId); List inputList = new ArrayList<>(); for (ResolveInfo ri : services) { ServiceInfo si = ri.serviceInfo; if (!android.Manifest.permission.BIND_TV_INPUT.equals(si.permission)) { Slog.w(TAG, "Skipping TV input " + si.name + ": it does not require the permission " + android.Manifest.permission.BIND_TV_INPUT); continue; } ComponentName component = new ComponentName(si.packageName, si.name); if (hasHardwarePermission(pm, component)) { ServiceState serviceState = userState.serviceStateMap.get(component); if (serviceState == null) { // New hardware input found. Create a new ServiceState and connect to the // service to populate the hardware list. serviceState = new ServiceState(component, userId); userState.serviceStateMap.put(component, serviceState); } else { inputList.addAll(serviceState.hardwareInputMap.values()); } if (serviceState.needInit) { updateServiceConnectionLocked(component, userId); } } else { try { TvInputInfo info = new TvInputInfo.Builder(mContext, ri).build(); inputList.add(info); } catch (Exception e) { Slog.e(TAG, "failed to load TV input " + si.name, e); continue; } } userState.packageSet.add(si.packageName); } // sort the input list by input id so that TvInputState.inputNumber is stable. Collections.sort(inputList, Comparator.comparing(TvInputInfo::getId)); Map inputMap = new HashMap<>(); ArrayMap tisInputCount = new ArrayMap<>(inputMap.size()); for (TvInputInfo info : inputList) { String inputId = info.getId(); if (DEBUG) { Slog.d(TAG, "add " + inputId); } // Running count of input for each input service Integer count = tisInputCount.get(inputId); count = count == null ? Integer.valueOf(1) : count + 1; tisInputCount.put(inputId, count); TvInputState inputState = userState.inputMap.get(inputId); if (inputState == null) { inputState = new TvInputState(); } inputState.info = info; inputState.uid = getInputUid(info); inputMap.put(inputId, inputState); inputState.inputNumber = count; } for (String inputId : inputMap.keySet()) { if (!userState.inputMap.containsKey(inputId)) { notifyInputAddedLocked(userState, inputId); } else if (updatedPackages != null) { // Notify the package updates ComponentName component = inputMap.get(inputId).info.getComponent(); for (String updatedPackage : updatedPackages) { if (component.getPackageName().equals(updatedPackage)) { updateServiceConnectionLocked(component, userId); notifyInputUpdatedLocked(userState, inputId); break; } } } } for (String inputId : userState.inputMap.keySet()) { if (!inputMap.containsKey(inputId)) { TvInputInfo info = userState.inputMap.get(inputId).info; ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); if (serviceState != null) { abortPendingCreateSessionRequestsLocked(serviceState, inputId, userId); } notifyInputRemovedLocked(userState, inputId); } } userState.inputMap.clear(); userState.inputMap = inputMap; } private int getInputUid(TvInputInfo info) { try { return getContext().getPackageManager().getApplicationInfo( info.getServiceInfo().packageName, 0).uid; } catch (NameNotFoundException e) { Slog.w(TAG, "Unable to get UID for " + info, e); return Process.INVALID_UID; } } @GuardedBy("mLock") private void buildTvContentRatingSystemListLocked(int userId) { UserState userState = getOrCreateUserStateLocked(userId); userState.contentRatingSystemList.clear(); final PackageManager pm = mContext.getPackageManager(); Intent intent = new Intent(TvInputManager.ACTION_QUERY_CONTENT_RATING_SYSTEMS); for (ResolveInfo resolveInfo : pm.queryBroadcastReceivers(intent, PackageManager.GET_META_DATA)) { ActivityInfo receiver = resolveInfo.activityInfo; Bundle metaData = receiver.metaData; if (metaData == null) { continue; } int xmlResId = metaData.getInt(TvInputManager.META_DATA_CONTENT_RATING_SYSTEMS); if (xmlResId == 0) { Slog.w(TAG, "Missing meta-data '" + TvInputManager.META_DATA_CONTENT_RATING_SYSTEMS + "' on receiver " + receiver.packageName + "/" + receiver.name); continue; } userState.contentRatingSystemList.add( TvContentRatingSystemInfo.createTvContentRatingSystemInfo(xmlResId, receiver.applicationInfo)); } } @GuardedBy("mLock") private void cleanUpHdmiDevices(int userId) { if (DEBUG) { Slog.d(TAG, "cleanUpHdmiDevices: user " + userId); } UserState userState = getOrCreateUserStateLocked(userId); for (ServiceState serviceState : userState.serviceStateMap.values()) { for (HdmiDeviceInfo device : mTvInputHardwareManager.getHdmiDeviceList()) { try { if (serviceState.service != null) { serviceState.service.notifyHdmiDeviceRemoved(device); } else { serviceState.hdmiDeviceRemovedBuffer.add(device); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHdmiDeviceRemoved", e); } } } } private void startUser(int userId) { synchronized (mLock) { if (userId == mCurrentUserId || mRunningProfiles.contains(userId)) { // user already started return; } UserInfo parentInfo = mUserManager.getProfileParent(userId); // User is guaranteed to be a profile here as we have checked before calling startUser if (parentInfo != null) { int prevUserId = mCurrentUserId; mCurrentUserId = userId; // only the children of the current user can be started in background releaseSessionOfUserLocked(prevUserId); cleanUpHdmiDevices(prevUserId); unbindServiceOfUserLocked(prevUserId); startProfileLocked(mCurrentUserId); } } } private void stopUser(int userId) { synchronized (mLock) { if (userId == mCurrentUserId) { switchUser(ActivityManager.getCurrentUser()); return; } releaseSessionOfUserLocked(userId); cleanUpHdmiDevices(userId); unbindServiceOfUserLocked(userId); mRunningProfiles.remove(userId); } } @GuardedBy("mLock") private void startProfileLocked(int userId) { mRunningProfiles.add(userId); buildTvInputListLocked(userId, null); buildTvContentRatingSystemListLocked(userId); } private void switchUser(int userId) { synchronized (mLock) { if (mCurrentUserId == userId) { return; } UserInfo userInfo = mUserManager.getUserInfo(userId); if (userInfo.isProfile()) { Slog.w(TAG, "cannot switch to a profile!"); return; } // NOTE: The switchUser() function is currently only used when switching from a kid's // profile to the parent's (system) user. // Cleanup for the single running kid's profile is currently handled in stopUser(). // This code includes cleanup logic for future multi-profile support. for (int runningId : mRunningProfiles) { releaseSessionOfUserLocked(runningId); cleanUpHdmiDevices(runningId); unbindServiceOfUserLocked(runningId); } mRunningProfiles.clear(); mCurrentUserId = userId; buildTvInputListLocked(mCurrentUserId, null); buildTvContentRatingSystemListLocked(mCurrentUserId); mMessageHandler .obtainMessage(MessageHandler.MSG_SWITCH_CONTENT_RESOLVER, getContentResolverForUser(mCurrentUserId)) .sendToTarget(); } } @GuardedBy("mLock") private void releaseSessionOfUserLocked(int userId) { UserState userState = getUserStateLocked(userId); if (userState == null) { return; } List sessionStatesToRelease = new ArrayList<>(); for (SessionState sessionState : userState.sessionStateMap.values()) { if (sessionState.session != null && !sessionState.isRecordingSession) { sessionStatesToRelease.add(sessionState); } } boolean notifyInfoUpdated = false; for (SessionState sessionState : sessionStatesToRelease) { try { sessionState.session.release(); sessionState.currentChannel = null; if (sessionState.isCurrent) { sessionState.isCurrent = false; notifyInfoUpdated = true; } } catch (RemoteException e) { Slog.e(TAG, "error in release", e); } finally { if (notifyInfoUpdated) { notifyCurrentChannelInfosUpdatedLocked(userState); } } clearSessionAndNotifyClientLocked(sessionState); } } @GuardedBy("mLock") private void unbindServiceOfUserLocked(int userId) { if (DEBUG) { Slog.d(TAG, "unbindServiceOfUserLocked: user " + userId); } UserState userState = getUserStateLocked(userId); if (userState == null) { return; } for (Iterator it = userState.serviceStateMap.keySet().iterator(); it.hasNext(); ) { ComponentName component = it.next(); ServiceState serviceState = userState.serviceStateMap.get(component); if (serviceState != null && serviceState.sessionTokens.isEmpty()) { unbindService(serviceState); if (!serviceState.isHardware) { it.remove(); } else { serviceState.hardwareInputMap.clear(); serviceState.needInit = true; } } } } @GuardedBy("mLock") private void clearSessionAndNotifyClientLocked(SessionState state) { if (state.client != null) { try { state.client.onSessionReleased(state.seq); } catch(RemoteException e) { Slog.e(TAG, "error in onSessionReleased", e); } } // If there are any other sessions based on this session, they should be released. UserState userState = getOrCreateUserStateLocked(state.userId); for (SessionState sessionState : userState.sessionStateMap.values()) { if (state.sessionToken == sessionState.hardwareSessionToken) { releaseSessionLocked(sessionState.sessionToken, Process.SYSTEM_UID, state.userId); try { sessionState.client.onSessionReleased(sessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onSessionReleased", e); } } } removeSessionStateLocked(state.sessionToken, state.userId); } private void removeUser(int userId) { synchronized (mLock) { UserState userState = getUserStateLocked(userId); if (userState == null) { return; } // Release all created sessions. boolean notifyInfoUpdated = false; for (SessionState state : userState.sessionStateMap.values()) { if (state.session != null) { try { state.session.release(); state.currentChannel = null; if (state.isCurrent) { state.isCurrent = false; notifyInfoUpdated = true; } } catch (RemoteException e) { Slog.e(TAG, "error in release", e); } finally { if (notifyInfoUpdated) { notifyCurrentChannelInfosUpdatedLocked(userState); } } } } userState.sessionStateMap.clear(); // Unregister all callbacks and unbind all services. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (serviceState.service != null) { unbindService(serviceState); } } userState.serviceStateMap.clear(); // Clear everything else. userState.inputMap.clear(); userState.packageSet.clear(); userState.contentRatingSystemList.clear(); userState.clientStateMap.clear(); userState.mCallbacks.kill(); userState.mainSessionToken = null; mRunningProfiles.remove(userId); mUserStates.remove(userId); if (userId == mCurrentUserId) { switchUser(UserHandle.USER_SYSTEM); } } } private ContentResolver getContentResolverForUser(int userId) { UserHandle user = new UserHandle(userId); Context context; try { context = mContext.createPackageContextAsUser("android", 0, user); } catch (NameNotFoundException e) { Slog.e(TAG, "failed to create package context as user " + user); context = mContext; } return context.getContentResolver(); } @GuardedBy("mLock") private UserState getOrCreateUserStateLocked(int userId) { UserState userState = getUserStateLocked(userId); if (userState == null) { userState = new UserState(mContext, userId); mUserStates.put(userId, userState); } return userState; } @GuardedBy("mLock") private ServiceState getServiceStateLocked(ComponentName component, int userId) { UserState userState = getOrCreateUserStateLocked(userId); ServiceState serviceState = userState.serviceStateMap.get(component); if (serviceState == null) { Slog.e(TAG, "Service state not found for " + component + " (userId=" + userId + ")"); } return serviceState; } @GuardedBy("mLock") private SessionState getSessionStateLocked(IBinder sessionToken, int callingUid, int userId) { UserState userState = getOrCreateUserStateLocked(userId); return getSessionStateLocked(sessionToken, callingUid, userState); } @GuardedBy("mLock") private SessionState getSessionStateLocked(IBinder sessionToken, int callingUid, UserState userState) { SessionState sessionState = userState.sessionStateMap.get(sessionToken); if (sessionState == null) { throw new SessionNotFoundException("Session state not found for token " + sessionToken); } // Only the application that requested this session or the system can access it. if (callingUid != Process.SYSTEM_UID && callingUid != sessionState.callingUid) { throw new SecurityException("Illegal access to the session with token " + sessionToken + " from uid " + callingUid); } return sessionState; } @GuardedBy("mLock") private ITvInputSession getSessionLocked(IBinder sessionToken, int callingUid, int userId) { return getSessionLocked(getSessionStateLocked(sessionToken, callingUid, userId)); } @GuardedBy("mLock") private ITvInputSession getSessionLocked(SessionState sessionState) { ITvInputSession session = sessionState.session; if (session == null) { throw new IllegalStateException("Session not yet created for token " + sessionState.sessionToken); } return session; } private int resolveCallingUserId(int callingPid, int callingUid, int requestedUserId, String methodName) { return ActivityManager.handleIncomingUser(callingPid, callingUid, requestedUserId, false, false, methodName, null); } @GuardedBy("mLock") private void updateServiceConnectionLocked(ComponentName component, int userId) { UserState userState = getOrCreateUserStateLocked(userId); ServiceState serviceState = userState.serviceStateMap.get(component); if (serviceState == null) { return; } if (serviceState.reconnecting) { if (!serviceState.sessionTokens.isEmpty()) { // wait until all the sessions are removed. return; } serviceState.reconnecting = false; } boolean shouldBind; if (userId == mCurrentUserId || mRunningProfiles.contains(userId)) { shouldBind = !serviceState.sessionTokens.isEmpty() || (serviceState.isHardware && serviceState.needInit); } else { // For a non-current user, // if sessionTokens is not empty, it contains recording sessions only // because other sessions must have been removed while switching user // and non-recording sessions are not created by createSession(). shouldBind = !serviceState.sessionTokens.isEmpty(); } // only bind/unbind when necessary. if (shouldBind && !serviceState.bound) { bindService(serviceState, userId); } else if (!shouldBind && serviceState.bound) { unbindService(serviceState); if (!serviceState.isHardware) { userState.serviceStateMap.remove(component); } } } private boolean isServiceSingleUser(ComponentName component) { try { ServiceInfo serviceInfo = getContext().getPackageManager() .getServiceInfo(component, 0); // Check if the single-user flag is present return (serviceInfo.flags & ServiceInfo.FLAG_SINGLE_USER) != 0; } catch (PackageManager.NameNotFoundException e) { // Handle the case where the service is not found Slog.e(TAG, "Service not found: " + component, e); return false; } } @GuardedBy("mLock") private void abortPendingCreateSessionRequestsLocked(ServiceState serviceState, String inputId, int userId) { // Let clients know the create session requests are failed. UserState userState = getOrCreateUserStateLocked(userId); List sessionsToAbort = new ArrayList<>(); for (IBinder sessionToken : serviceState.sessionTokens) { SessionState sessionState = userState.sessionStateMap.get(sessionToken); if (sessionState.session == null && (inputId == null || sessionState.inputId.equals(inputId))) { sessionsToAbort.add(sessionState); } } for (SessionState sessionState : sessionsToAbort) { removeSessionStateLocked(sessionState.sessionToken, sessionState.userId); sendSessionTokenToClientLocked(sessionState.client, sessionState.inputId, null, null, sessionState.seq); } if (!serviceState.isHardware || serviceState.reconnecting) { updateServiceConnectionLocked(serviceState.component, userId); } else { updateHardwareServiceConnectionDelayed(userId); } } @GuardedBy("mLock") private boolean createSessionInternalLocked( ITvInputService service, IBinder sessionToken, int userId) { UserState userState = getOrCreateUserStateLocked(userId); SessionState sessionState = userState.sessionStateMap.get(sessionToken); if (DEBUG) { Slog.d(TAG, "createSessionInternalLocked(inputId=" + sessionState.inputId + ", sessionId=" + sessionState.sessionId + ")"); } InputChannel[] channels = InputChannel.openInputChannelPair(sessionToken.toString()); // Set up a callback to send the session token. ITvInputSessionCallback callback = new SessionCallback(sessionState, channels); boolean created = true; // Create a session. When failed, send a null token immediately. try { if (sessionState.isRecordingSession) { service.createRecordingSession( callback, sessionState.inputId, sessionState.sessionId); } else { service.createSession(channels[1], callback, sessionState.inputId, sessionState.sessionId, sessionState.tvAppAttributionSource); } } catch (RemoteException e) { Slog.e(TAG, "error in createSession", e); sendSessionTokenToClientLocked(sessionState.client, sessionState.inputId, null, null, sessionState.seq); created = false; } channels[1].dispose(); return created; } @GuardedBy("mLock") private void sendSessionTokenToClientLocked(ITvInputClient client, String inputId, IBinder sessionToken, InputChannel channel, int seq) { try { client.onSessionCreated(inputId, sessionToken, channel, seq); } catch (RemoteException e) { Slog.e(TAG, "error in onSessionCreated", e); } } @GuardedBy("mLock") @Nullable private SessionState releaseSessionLocked(IBinder sessionToken, int callingUid, int userId) { SessionState sessionState = null; try { sessionState = getSessionStateLocked(sessionToken, callingUid, userId); UserState userState = getOrCreateUserStateLocked(userId); if (sessionState.session != null) { if (sessionToken == userState.mainSessionToken) { setMainLocked(sessionToken, false, callingUid, userId); } sessionState.session.asBinder().unlinkToDeath(sessionState, 0); sessionState.session.release(); } sessionState.currentChannel = null; if (sessionState.isCurrent) { sessionState.isCurrent = false; notifyCurrentChannelInfosUpdatedLocked(userState); } } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in releaseSession", e); } finally { if (sessionState != null) { sessionState.session = null; } } if (mOnScreenSessionState == sessionState) { // only log when releasing the current on-screen session logExternalInputEvent(FrameworkStatsLog.EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__RELEASED, mOnScreenInputId, sessionState); mOnScreenInputId = null; mOnScreenSessionState = null; } removeSessionStateLocked(sessionToken, userId); return sessionState; } @GuardedBy("mLock") private void removeSessionStateLocked(IBinder sessionToken, int userId) { UserState userState = getOrCreateUserStateLocked(userId); if (sessionToken == userState.mainSessionToken) { if (DEBUG) { Slog.d(TAG, "mainSessionToken=null"); } userState.mainSessionToken = null; } // Remove the session state from the global session state map of the current user. SessionState sessionState = userState.sessionStateMap.remove(sessionToken); if (sessionState == null) { Slog.e(TAG, "sessionState null, no more remove session action!"); return; } // Also remove the session token from the session token list of the current client and // service. ClientState clientState = userState.clientStateMap.get(sessionState.client.asBinder()); if (clientState != null) { clientState.sessionTokens.remove(sessionToken); if (clientState.isEmpty()) { userState.clientStateMap.remove(sessionState.client.asBinder()); sessionState.client.asBinder().unlinkToDeath(clientState, 0); } } mSessionIdToSessionStateMap.remove(sessionState.sessionId); ServiceState serviceState = userState.serviceStateMap.get(sessionState.componentName); if (serviceState != null) { serviceState.sessionTokens.remove(sessionToken); } if (!serviceState.isHardware || serviceState.reconnecting) { updateServiceConnectionLocked(sessionState.componentName, userId); } else { updateHardwareServiceConnectionDelayed(userId); } // Log the end of watch. SomeArgs args = SomeArgs.obtain(); args.arg1 = sessionToken; args.arg2 = System.currentTimeMillis(); mMessageHandler.obtainMessage(MessageHandler.MSG_LOG_WATCH_END, args).sendToTarget(); } @GuardedBy("mLock") private void setMainLocked(IBinder sessionToken, boolean isMain, int callingUid, int userId) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, userId); if (sessionState.hardwareSessionToken != null) { sessionState = getSessionStateLocked(sessionState.hardwareSessionToken, Process.SYSTEM_UID, userId); } ServiceState serviceState = getServiceStateLocked(sessionState.componentName, userId); if (serviceState == null || !serviceState.isHardware) { return; } ITvInputSession session = getSessionLocked(sessionState); session.setMain(isMain); if (sessionState.isMainSession != isMain) { UserState userState = getUserStateLocked(userId); sessionState.isMainSession = isMain; notifyCurrentChannelInfosUpdatedLocked(userState); } } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setMain", e); } } @GuardedBy("mLock") private void notifyInputAddedLocked(UserState userState, String inputId) { if (DEBUG) { Slog.d(TAG, "notifyInputAddedLocked(inputId=" + inputId + ")"); } int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { userState.mCallbacks.getBroadcastItem(i).onInputAdded(inputId); } catch (RemoteException e) { Slog.e(TAG, "failed to report added input to callback", e); } } userState.mCallbacks.finishBroadcast(); } @GuardedBy("mLock") private void notifyInputRemovedLocked(UserState userState, String inputId) { if (DEBUG) { Slog.d(TAG, "notifyInputRemovedLocked(inputId=" + inputId + ")"); } int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { userState.mCallbacks.getBroadcastItem(i).onInputRemoved(inputId); } catch (RemoteException e) { Slog.e(TAG, "failed to report removed input to callback", e); } } userState.mCallbacks.finishBroadcast(); } @GuardedBy("mLock") private void notifyInputUpdatedLocked(UserState userState, String inputId) { if (DEBUG) { Slog.d(TAG, "notifyInputUpdatedLocked(inputId=" + inputId + ")"); } int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { userState.mCallbacks.getBroadcastItem(i).onInputUpdated(inputId); } catch (RemoteException e) { Slog.e(TAG, "failed to report updated input to callback", e); } } userState.mCallbacks.finishBroadcast(); } @GuardedBy("mLock") private void notifyInputStateChangedLocked(UserState userState, String inputId, int state, ITvInputManagerCallback targetCallback) { if (DEBUG) { Slog.d(TAG, "notifyInputStateChangedLocked(inputId=" + inputId + ", state=" + state + ")"); } if (targetCallback == null) { int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { userState.mCallbacks.getBroadcastItem(i).onInputStateChanged(inputId, state); } catch (RemoteException e) { Slog.e(TAG, "failed to report state change to callback", e); } } userState.mCallbacks.finishBroadcast(); } else { try { targetCallback.onInputStateChanged(inputId, state); } catch (RemoteException e) { Slog.e(TAG, "failed to report state change to callback", e); } } } @GuardedBy("mLock") private void notifyCurrentChannelInfosUpdatedLocked(UserState userState) { if (DEBUG) { Slog.d(TAG, "notifyCurrentChannelInfosUpdatedLocked"); } int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { ITvInputManagerCallback callback = userState.mCallbacks.getBroadcastItem(i); Pair pidUid = userState.callbackPidUidMap.get(callback); if (mContext.checkPermission(android.Manifest.permission.ACCESS_TUNED_INFO, pidUid.first, pidUid.second) != PackageManager.PERMISSION_GRANTED) { continue; } List infos = getCurrentTunedInfosInternalLocked( userState, pidUid.first, pidUid.second); callback.onCurrentTunedInfosUpdated(infos); } catch (RemoteException e) { Slog.e(TAG, "failed to report updated current channel infos to callback", e); } } userState.mCallbacks.finishBroadcast(); } @GuardedBy("mLock") private void updateTvInputInfoLocked(UserState userState, TvInputInfo inputInfo) { if (DEBUG) { Slog.d(TAG, "updateTvInputInfoLocked(inputInfo=" + inputInfo + ")"); } String inputId = inputInfo.getId(); TvInputState inputState = userState.inputMap.get(inputId); if (inputState == null) { Slog.e(TAG, "failed to set input info - unknown input id " + inputId); return; } boolean currentCecTvInputInfoUpdated = isCurrentCecTvInputInfoUpdate(userState, inputInfo); inputState.info = inputInfo; inputState.uid = getInputUid(inputInfo); ServiceState serviceState = userState.serviceStateMap.get(inputInfo.getComponent()); if (serviceState != null && serviceState.isHardware) { serviceState.hardwareInputMap.put(inputInfo.getId(), inputInfo); mTvInputHardwareManager.updateInputInfo(inputInfo); } if (currentCecTvInputInfoUpdated) { logExternalInputEvent( FrameworkStatsLog.EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__DEVICE_INFO_UPDATED, mOnScreenInputId, mOnScreenSessionState); } int n = userState.mCallbacks.beginBroadcast(); for (int i = 0; i < n; ++i) { try { userState.mCallbacks.getBroadcastItem(i).onTvInputInfoUpdated(inputInfo); } catch (RemoteException e) { Slog.e(TAG, "failed to report updated input info to callback", e); } } userState.mCallbacks.finishBroadcast(); } @GuardedBy("mLock") private boolean isCurrentCecTvInputInfoUpdate(UserState userState, TvInputInfo newInputInfo) { if (newInputInfo == null || newInputInfo.getId() == null || !newInputInfo.getId().equals(mOnScreenInputId)) { return false; } if (newInputInfo.getHdmiDeviceInfo() == null || !newInputInfo.getHdmiDeviceInfo().isCecDevice()) { return false; } TvInputState inputState = userState.inputMap.get(mOnScreenInputId); if (inputState == null || inputState.info == null) { return false; } if (inputState.info.getHdmiDeviceInfo() == null || !inputState.info.getHdmiDeviceInfo().isCecDevice()) { return false; } String newDisplayName = newInputInfo.getHdmiDeviceInfo().getDisplayName(), currentDisplayName = inputState.info.getHdmiDeviceInfo().getDisplayName(); int newVendorId = newInputInfo.getHdmiDeviceInfo().getVendorId(), currentVendorId = inputState.info.getHdmiDeviceInfo().getVendorId(); return !TextUtils.equals(newDisplayName, currentDisplayName) || newVendorId != currentVendorId; } @GuardedBy("mLock") private void setStateLocked(String inputId, int state, int userId) { UserState userState = getOrCreateUserStateLocked(userId); TvInputState inputState = userState.inputMap.get(inputId); if (inputState == null) { Slog.e(TAG, "failed to setStateLocked - unknown input id " + inputId); return; } ServiceState serviceState = userState.serviceStateMap.get(inputState.info.getComponent()); int oldState = inputState.state; inputState.state = state; if (serviceState != null && serviceState.reconnecting) { // We don't notify state change while reconnecting. It should remain disconnected. return; } if (oldState != state) { if (inputId.equals(mOnScreenInputId)) { logExternalInputEvent( FrameworkStatsLog .EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__CONNECTION_STATE_CHANGED, mOnScreenInputId, mOnScreenSessionState); } else if (mOnScreenInputId != null) { TvInputState currentInputState = userState.inputMap.get(mOnScreenInputId); TvInputInfo currentInputInfo = null; if (currentInputState != null) { currentInputInfo = currentInputState.info; } if (currentInputInfo != null && currentInputInfo.getHdmiDeviceInfo() != null && inputId.equals(currentInputInfo.getParentId())) { logExternalInputEvent( FrameworkStatsLog .EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__CONNECTION_STATE_CHANGED, inputId, mOnScreenSessionState); if (state == INPUT_STATE_CONNECTED_STANDBY) { mOnScreenInputId = currentInputInfo.getParentId(); } } } notifyInputStateChangedLocked(userState, inputId, state, null); } } private final class BinderService extends ITvInputManager.Stub { @Override public List getTvInputList(int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "getTvInputList"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); List inputList = new ArrayList<>(); for (TvInputState state : userState.inputMap.values()) { inputList.add(state.info); } return inputList; } } finally { Binder.restoreCallingIdentity(identity); } } @Override public TvInputInfo getTvInputInfo(String inputId, int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "getTvInputInfo"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); TvInputState state = userState.inputMap.get(inputId); return state == null ? null : state.info; } } finally { Binder.restoreCallingIdentity(identity); } } public void updateTvInputInfo(TvInputInfo inputInfo, int userId) { String inputInfoPackageName = inputInfo.getServiceInfo().packageName; String callingPackageName = getCallingPackageName(); if (!TextUtils.equals(inputInfoPackageName, callingPackageName) && mContext.checkCallingPermission( android.Manifest.permission.WRITE_SECURE_SETTINGS) != PackageManager.PERMISSION_GRANTED) { // Only the app owning the input and system settings are allowed to update info. throw new IllegalArgumentException("calling package " + callingPackageName + " is not allowed to change TvInputInfo for " + inputInfoPackageName); } final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "updateTvInputInfo"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); updateTvInputInfoLocked(userState, inputInfo); } } finally { Binder.restoreCallingIdentity(identity); } } private String getCallingPackageName() { final String[] packages = mContext.getPackageManager().getPackagesForUid( Binder.getCallingUid()); if (packages != null && packages.length > 0) { return packages[0]; } return "unknown"; } @Override public int getTvInputState(String inputId, int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "getTvInputState"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); TvInputState state = userState.inputMap.get(inputId); return state == null ? INPUT_STATE_CONNECTED : state.state; } } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getAvailableExtensionInterfaceNames(String inputId, int userId) { ensureTisExtensionInterfacePermission(); final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "getAvailableExtensionInterfaceNames"); final long identity = Binder.clearCallingIdentity(); try { ITvInputService service = null; synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); TvInputState inputState = userState.inputMap.get(inputId); if (inputState != null) { ServiceState serviceState = userState.serviceStateMap.get(inputState.info.getComponent()); if (serviceState != null && serviceState.isHardware && serviceState.service != null) { service = serviceState.service; } } } try { if (service != null) { List interfaces = new ArrayList<>(); for (final String name : CollectionUtils.emptyIfNull( service.getAvailableExtensionInterfaceNames())) { String permission = service.getExtensionInterfacePermission(name); if (permission == null || mContext.checkPermission(permission, callingPid, callingUid) == PackageManager.PERMISSION_GRANTED) { interfaces.add(name); } } return interfaces; } } catch (RemoteException e) { Slog.e(TAG, "error in getAvailableExtensionInterfaceNames " + "or getExtensionInterfacePermission", e); } return new ArrayList<>(); } finally { Binder.restoreCallingIdentity(identity); } } @Override public IBinder getExtensionInterface(String inputId, String name, int userId) { ensureTisExtensionInterfacePermission(); final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "getExtensionInterface"); final long identity = Binder.clearCallingIdentity(); try { ITvInputService service = null; synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); TvInputState inputState = userState.inputMap.get(inputId); if (inputState != null) { ServiceState serviceState = userState.serviceStateMap.get(inputState.info.getComponent()); if (serviceState != null && serviceState.isHardware && serviceState.service != null) { service = serviceState.service; } } } try { if (service != null) { String permission = service.getExtensionInterfacePermission(name); if (permission == null || mContext.checkPermission(permission, callingPid, callingUid) == PackageManager.PERMISSION_GRANTED) { return service.getExtensionInterface(name); } } } catch (RemoteException e) { Slog.e(TAG, "error in getExtensionInterfacePermission " + "or getExtensionInterface", e); } return null; } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getTvContentRatingSystemList(int userId) { if (mContext.checkCallingPermission( android.Manifest.permission.READ_CONTENT_RATING_SYSTEMS) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException( "The caller does not have permission to read content rating systems"); } final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "getTvContentRatingSystemList"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); return userState.contentRatingSystemList; } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void sendTvInputNotifyIntent(Intent intent, int userId) { if (mContext.checkCallingPermission(android.Manifest.permission.NOTIFY_TV_INPUTS) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("The caller: " + getCallingPackageName() + " doesn't have permission: " + android.Manifest.permission.NOTIFY_TV_INPUTS); } if (TextUtils.isEmpty(intent.getPackage())) { throw new IllegalArgumentException("Must specify package name to notify."); } switch (intent.getAction()) { case TvContract.ACTION_PREVIEW_PROGRAM_BROWSABLE_DISABLED: if (intent.getLongExtra(TvContract.EXTRA_PREVIEW_PROGRAM_ID, -1) < 0) { throw new IllegalArgumentException("Invalid preview program ID."); } break; case TvContract.ACTION_WATCH_NEXT_PROGRAM_BROWSABLE_DISABLED: if (intent.getLongExtra(TvContract.EXTRA_WATCH_NEXT_PROGRAM_ID, -1) < 0) { throw new IllegalArgumentException("Invalid watch next program ID."); } break; case TvContract.ACTION_PREVIEW_PROGRAM_ADDED_TO_WATCH_NEXT: if (intent.getLongExtra(TvContract.EXTRA_PREVIEW_PROGRAM_ID, -1) < 0) { throw new IllegalArgumentException("Invalid preview program ID."); } if (intent.getLongExtra(TvContract.EXTRA_WATCH_NEXT_PROGRAM_ID, -1) < 0) { throw new IllegalArgumentException("Invalid watch next program ID."); } break; default: throw new IllegalArgumentException("Invalid TV input notifying action: " + intent.getAction()); } final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "sendTvInputNotifyIntent"); final long identity = Binder.clearCallingIdentity(); try { getContext().sendBroadcastAsUser(intent, new UserHandle(resolvedUserId)); } finally { Binder.restoreCallingIdentity(identity); } } @Override public void registerCallback(final ITvInputManagerCallback callback, int userId) { int callingPid = Binder.getCallingPid(); int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "registerCallback"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { final UserState userState = getOrCreateUserStateLocked(resolvedUserId); if (!userState.mCallbacks.register(callback)) { Slog.e(TAG, "client process has already died"); } else { userState.callbackPidUidMap.put( callback, Pair.create(callingPid, callingUid)); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void unregisterCallback(ITvInputManagerCallback callback, int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "unregisterCallback"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); userState.mCallbacks.unregister(callback); userState.callbackPidUidMap.remove(callback); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public boolean isParentalControlsEnabled(int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "isParentalControlsEnabled"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); return userState.persistentDataStore.isParentalControlsEnabled(); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setParentalControlsEnabled(boolean enabled, int userId) { ensureParentalControlsPermission(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "setParentalControlsEnabled"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); userState.persistentDataStore.setParentalControlsEnabled(enabled); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public boolean isRatingBlocked(String rating, int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "isRatingBlocked"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); return userState.persistentDataStore.isRatingBlocked( TvContentRating.unflattenFromString(rating)); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getBlockedRatings(int userId) { final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "getBlockedRatings"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); List ratings = new ArrayList<>(); for (TvContentRating rating : userState.persistentDataStore.getBlockedRatings()) { ratings.add(rating.flattenToString()); } return ratings; } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void addBlockedRating(String rating, int userId) { ensureParentalControlsPermission(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "addBlockedRating"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); userState.persistentDataStore.addBlockedRating( TvContentRating.unflattenFromString(rating)); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void removeBlockedRating(String rating, int userId) { ensureParentalControlsPermission(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "removeBlockedRating"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); userState.persistentDataStore.removeBlockedRating( TvContentRating.unflattenFromString(rating)); } } finally { Binder.restoreCallingIdentity(identity); } } private void ensureParentalControlsPermission() { if (mContext.checkCallingPermission( android.Manifest.permission.MODIFY_PARENTAL_CONTROLS) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException( "The caller does not have parental controls permission"); } } @Override public void createSession(final ITvInputClient client, final String inputId, AttributionSource tvAppAttributionSource, boolean isRecordingSession, int seq, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "createSession"); final long identity = Binder.clearCallingIdentity(); /** * A randomly generated id for this this session. * *

This field contains no user or device reference and is large enough to be * effectively globally unique. * *

WARNING Any changes to this field should be carefully reviewed for privacy. * Inspect the code at: * *

    *
  • framework/base/cmds/statsd/src/atoms.proto#TifTuneState *
  • {@link #logTuneStateChanged} *
  • {@link TvInputManagerService.BinderService#createSession} *
  • {@link SessionState#sessionId} *
*/ String uniqueSessionId = UUID.randomUUID().toString(); try { synchronized (mLock) { if (userId != mCurrentUserId && !mRunningProfiles.contains(userId) && !isRecordingSession) { // Only current user and its running profiles can create // non-recording sessions. // Let the client get onConnectionFailed callback for this case. sendSessionTokenToClientLocked(client, inputId, null, null, seq); return; } UserState userState = getOrCreateUserStateLocked(resolvedUserId); TvInputState inputState = userState.inputMap.get(inputId); if (inputState == null) { Slog.w(TAG, "Failed to find input state for inputId=" + inputId); sendSessionTokenToClientLocked(client, inputId, null, null, seq); return; } TvInputInfo info = inputState.info; ServiceState serviceState = userState.serviceStateMap.get(info.getComponent()); if (serviceState == null) { int tisUid = PackageManager.getApplicationInfoAsUserCached( info.getComponent().getPackageName(), 0, resolvedUserId).uid; serviceState = new ServiceState(info.getComponent(), resolvedUserId); userState.serviceStateMap.put(info.getComponent(), serviceState); } // Send a null token immediately while reconnecting. if (serviceState.reconnecting) { sendSessionTokenToClientLocked(client, inputId, null, null, seq); return; } // Create a new session token and a session state. IBinder sessionToken = new Binder(); SessionState sessionState = new SessionState(sessionToken, info.getId(), info.getComponent(), isRecordingSession, client, seq, callingUid, callingPid, resolvedUserId, uniqueSessionId, tvAppAttributionSource); // Add them to the global session state map of the current user. userState.sessionStateMap.put(sessionToken, sessionState); // Map the session id to the sessionStateMap in the user state mSessionIdToSessionStateMap.put(uniqueSessionId, sessionState); // Also, add them to the session state map of the current service. serviceState.sessionTokens.add(sessionToken); if (serviceState.service != null) { if (!createSessionInternalLocked( serviceState.service, sessionToken, resolvedUserId)) { removeSessionStateLocked(sessionToken, resolvedUserId); } } else { updateServiceConnectionLocked(info.getComponent(), resolvedUserId); } logTuneStateChanged(FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__CREATED, sessionState, inputState); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void releaseSession(IBinder sessionToken, int userId) { if (DEBUG) { Slog.d(TAG, "releaseSession(sessionToken=" + sessionToken + ")"); } final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "releaseSession"); final long identity = Binder.clearCallingIdentity(); try { SessionState sessionState = null; UserState userState = null; synchronized (mLock) { sessionState = releaseSessionLocked(sessionToken, callingUid, resolvedUserId); userState = getUserStateLocked(userId); } if (sessionState != null) { TvInputState tvInputState = TvInputManagerService.getTvInputState(sessionState, userState); logTuneStateChanged(FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__RELEASED, sessionState, tvInputState); } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setMainSession(IBinder sessionToken, int userId) { if (mContext.checkCallingPermission( android.Manifest.permission.CHANGE_HDMI_CEC_ACTIVE_SOURCE) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException( "The caller does not have CHANGE_HDMI_CEC_ACTIVE_SOURCE permission"); } if (DEBUG) { Slog.d(TAG, "setMainSession(sessionToken=" + sessionToken + ")"); } final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setMainSession"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); if (userState.mainSessionToken == sessionToken) { return; } if (DEBUG) { Slog.d(TAG, "mainSessionToken=" + sessionToken); } IBinder oldMainSessionToken = userState.mainSessionToken; userState.mainSessionToken = sessionToken; // Inform the new main session first. // See {@link TvInputService.Session#onSetMain}. if (sessionToken != null) { setMainLocked(sessionToken, true, callingUid, userId); } if (oldMainSessionToken != null) { setMainLocked(oldMainSessionToken, false, Process.SYSTEM_UID, userId); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setSurface(IBinder sessionToken, Surface surface, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setSurface"); final long identity = Binder.clearCallingIdentity(); SessionState sessionState = null; UserState userState = null; try { synchronized (mLock) { try { userState = getUserStateLocked(userId); sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); if (sessionState.hardwareSessionToken == null) { getSessionLocked(sessionState).setSurface(surface); } else { getSessionLocked(sessionState.hardwareSessionToken, Process.SYSTEM_UID, resolvedUserId).setSurface(surface); } boolean isVisible = (surface == null); if (sessionState.isVisible != isVisible) { sessionState.isVisible = isVisible; notifyCurrentChannelInfosUpdatedLocked(userState); } } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setSurface", e); } } } finally { if (surface != null) { // surface is not used in TvInputManagerService. surface.release(); } if (sessionState != null) { int state = surface == null ? FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__SURFACE_DETACHED : FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__SURFACE_ATTACHED; logTuneStateChanged(state, sessionState, TvInputManagerService.getTvInputState(sessionState, userState)); } Binder.restoreCallingIdentity(identity); } } @Override public void dispatchSurfaceChanged(IBinder sessionToken, int format, int width, int height, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "dispatchSurfaceChanged"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).dispatchSurfaceChanged(format, width, height); if (sessionState.hardwareSessionToken != null) { getSessionLocked(sessionState.hardwareSessionToken, Process.SYSTEM_UID, resolvedUserId).dispatchSurfaceChanged(format, width, height); } } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in dispatchSurfaceChanged", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setVolume(IBinder sessionToken, float volume, int userId) { final float REMOTE_VOLUME_ON = 1.0f; final float REMOTE_VOLUME_OFF = 0f; final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setVolume"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).setVolume(volume); if (sessionState.hardwareSessionToken != null) { // Here, we let the hardware session know only whether volume is on or // off to prevent that the volume is controlled in the both side. getSessionLocked(sessionState.hardwareSessionToken, Process.SYSTEM_UID, resolvedUserId).setVolume((volume > 0.0f) ? REMOTE_VOLUME_ON : REMOTE_VOLUME_OFF); } } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setVolume", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void tune(IBinder sessionToken, final Uri channelUri, Bundle params, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "tune"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).tune( channelUri, params); UserState userState = getOrCreateUserStateLocked(resolvedUserId); SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, userState); if (!sessionState.isCurrent || !Objects.equals(sessionState.currentChannel, channelUri)) { sessionState.isCurrent = true; sessionState.currentChannel = channelUri; if (!sessionState.isRecordingSession) { String sessionActualInputId = getSessionActualInputId(sessionState); if (!TextUtils.equals(mOnScreenInputId, sessionActualInputId)) { logExternalInputEvent( FrameworkStatsLog .EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__TUNED, sessionActualInputId, sessionState); } mOnScreenInputId = sessionActualInputId; mOnScreenSessionState = sessionState; } notifyCurrentChannelInfosUpdatedLocked(userState); } if (TvContract.isChannelUriForPassthroughInput(channelUri)) { // Do not log the watch history for passthrough inputs. return; } if (sessionState.isRecordingSession) { return; } logTuneStateChanged( FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__TUNE_STARTED, sessionState, TvInputManagerService.getTvInputState(sessionState, userState)); // Log the start of watch. SomeArgs args = SomeArgs.obtain(); args.arg1 = sessionState.componentName.getPackageName(); args.arg2 = System.currentTimeMillis(); args.arg3 = ContentUris.parseId(channelUri); args.arg4 = params; args.arg5 = sessionToken; mMessageHandler.obtainMessage(MessageHandler.MSG_LOG_WATCH_START, args) .sendToTarget(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in tune", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void unblockContent( IBinder sessionToken, String unblockedRating, int userId) { ensureParentalControlsPermission(); final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "unblockContent"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .unblockContent(unblockedRating); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in unblockContent", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setCaptionEnabled(IBinder sessionToken, boolean enabled, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setCaptionEnabled"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .setCaptionEnabled(enabled); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setCaptionEnabled", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void selectAudioPresentation(IBinder sessionToken, int presentationId, int programId, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "selectAudioPresentation"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).selectAudioPresentation( presentationId, programId); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in selectAudioPresentation", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void selectTrack(IBinder sessionToken, int type, String trackId, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "selectTrack"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).selectTrack( type, trackId); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in selectTrack", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setInteractiveAppNotificationEnabled( IBinder sessionToken, boolean enabled, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setInteractiveAppNotificationEnabled"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .setInteractiveAppNotificationEnabled(enabled); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setInteractiveAppNotificationEnabled", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void sendAppPrivateCommand(IBinder sessionToken, String command, Bundle data, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "sendAppPrivateCommand"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .appPrivateCommand(command, data); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in appPrivateCommand", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void createOverlayView(IBinder sessionToken, IBinder windowToken, Rect frame, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "createOverlayView"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .createOverlayView(windowToken, frame); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in createOverlayView", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void relayoutOverlayView(IBinder sessionToken, Rect frame, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "relayoutOverlayView"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .relayoutOverlayView(frame); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in relayoutOverlayView", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void removeOverlayView(IBinder sessionToken, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "removeOverlayView"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .removeOverlayView(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in removeOverlayView", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void stopPlayback(IBinder sessionToken, int mode, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "stopPlayback"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).stopPlayback( mode); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in stopPlayback(mode)", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void resumePlayback(IBinder sessionToken, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "resumePlayback"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).resumePlayback(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in resumePlayback()", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftPlay(IBinder sessionToken, final Uri recordedProgramUri, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftPlay"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPlay( recordedProgramUri); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftPlay", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftPause(IBinder sessionToken, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftPause"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPause(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftPause", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftResume(IBinder sessionToken, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftResume"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .timeShiftResume(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftResume", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftSeekTo(IBinder sessionToken, long timeMs, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftSeekTo"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .timeShiftSeekTo(timeMs); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftSeekTo", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftSetPlaybackParams(IBinder sessionToken, PlaybackParams params, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftSetPlaybackParams"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .timeShiftSetPlaybackParams(params); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftSetPlaybackParams", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftSetMode(IBinder sessionToken, int mode, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftSetMode"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .timeShiftSetMode(mode); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftSetMode", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void timeShiftEnablePositionTracking(IBinder sessionToken, boolean enable, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "timeShiftEnablePositionTracking"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .timeShiftEnablePositionTracking(enable); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in timeShiftEnablePositionTracking", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void notifyTvMessage(IBinder sessionToken, int type, Bundle data, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "notifyTvmessage"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .notifyTvMessage(type, data); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in notifyTvMessage", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setVideoFrozen(IBinder sessionToken, boolean isFrozen, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setVideoFrozen"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .setVideoFrozen(isFrozen); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setVideoFrozen", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void setTvMessageEnabled(IBinder sessionToken, int type, boolean enabled, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "setTvMessageEnabled"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { final String inputId = getSessionStateLocked(sessionToken, callingUid, userId).inputId; mTvInputHardwareManager.setTvMessageEnabled(inputId, type, enabled); getSessionLocked(sessionToken, callingUid, resolvedUserId) .setTvMessageEnabled(type, enabled); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in setTvMessageEnabled", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void startRecording(IBinder sessionToken, @Nullable Uri programUri, @Nullable Bundle params, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "startRecording"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).startRecording( programUri, params); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in startRecording", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void stopRecording(IBinder sessionToken, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "stopRecording"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId).stopRecording(); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in stopRecording", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void pauseRecording(IBinder sessionToken, @NonNull Bundle params, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "pauseRecording"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .pauseRecording(params); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in pauseRecording", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void resumeRecording(IBinder sessionToken, @NonNull Bundle params, int userId) { final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "resumeRecording"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { getSessionLocked(sessionToken, callingUid, resolvedUserId) .resumeRecording(params); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in resumeRecording", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getHardwareList() throws RemoteException { if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) != PackageManager.PERMISSION_GRANTED) { return null; } final long identity = Binder.clearCallingIdentity(); try { return mTvInputHardwareManager.getHardwareList(); } finally { Binder.restoreCallingIdentity(identity); } } @Override public ITvInputHardware acquireTvInputHardware(int deviceId, ITvInputHardwareCallback callback, TvInputInfo info, int userId, String tvInputSessionId, @TvInputService.PriorityHintUseCaseType int priorityHint) throws RemoteException { if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) != PackageManager.PERMISSION_GRANTED) { return null; } final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "acquireTvInputHardware"); final long identity = Binder.clearCallingIdentity(); try { return mTvInputHardwareManager.acquireHardware( deviceId, callback, info, callingUid, resolvedUserId, tvInputSessionId, priorityHint); } finally { Binder.restoreCallingIdentity(identity); } } @Override public void releaseTvInputHardware(int deviceId, ITvInputHardware hardware, int userId) throws RemoteException { if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) != PackageManager.PERMISSION_GRANTED) { return; } final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "releaseTvInputHardware"); final long identity = Binder.clearCallingIdentity(); try { mTvInputHardwareManager.releaseHardware( deviceId, hardware, callingUid, resolvedUserId); } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getDvbDeviceList() throws RemoteException { if (mContext.checkCallingPermission(android.Manifest.permission.DVB_DEVICE) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DVB_DEVICE permission"); } final long identity = Binder.clearCallingIdentity(); try { // Pattern1: /dev/dvb%d.frontend%d ArrayList deviceInfosFromPattern1 = new ArrayList<>(); File devDirectory = new File("/dev"); boolean dvbDirectoryFound = false; for (String fileName : devDirectory.list()) { Matcher matcher = sFrontEndDevicePattern.matcher(fileName); if (matcher.find()) { int adapterId = Integer.parseInt(matcher.group(1)); int deviceId = Integer.parseInt(matcher.group(2)); deviceInfosFromPattern1.add(new DvbDeviceInfo(adapterId, deviceId)); } if (TextUtils.equals("dvb", fileName)) { dvbDirectoryFound = true; } } if (!dvbDirectoryFound) { return Collections.unmodifiableList(deviceInfosFromPattern1); } File dvbDirectory = new File(DVB_DIRECTORY); // Pattern2: /dev/dvb/adapter%d/frontend%d ArrayList deviceInfosFromPattern2 = new ArrayList<>(); for (String fileNameInDvb : dvbDirectory.list()) { Matcher adapterMatcher = sAdapterDirPattern.matcher(fileNameInDvb); if (adapterMatcher.find()) { int adapterId = Integer.parseInt(adapterMatcher.group(1)); File adapterDirectory = new File(DVB_DIRECTORY + "/" + fileNameInDvb); for (String fileNameInAdapter : adapterDirectory.list()) { Matcher frontendMatcher = sFrontEndInAdapterDirPattern.matcher( fileNameInAdapter); if (frontendMatcher.find()) { int deviceId = Integer.parseInt(frontendMatcher.group(1)); deviceInfosFromPattern2.add( new DvbDeviceInfo(adapterId, deviceId)); } } } } return deviceInfosFromPattern2.isEmpty() ? Collections.unmodifiableList(deviceInfosFromPattern1) : Collections.unmodifiableList(deviceInfosFromPattern2); } finally { Binder.restoreCallingIdentity(identity); } } @Override public ParcelFileDescriptor openDvbDevice(DvbDeviceInfo info, @TvInputManager.DvbDeviceType int deviceType) throws RemoteException { if (mContext.checkCallingPermission(android.Manifest.permission.DVB_DEVICE) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires DVB_DEVICE permission"); } File devDirectory = new File("/dev"); boolean dvbDeviceFound = false; for (String fileName : devDirectory.list()) { if (TextUtils.equals("dvb", fileName)) { File dvbDirectory = new File(DVB_DIRECTORY); for (String fileNameInDvb : dvbDirectory.list()) { Matcher adapterMatcher = sAdapterDirPattern.matcher(fileNameInDvb); if (adapterMatcher.find()) { File adapterDirectory = new File(DVB_DIRECTORY + "/" + fileNameInDvb); for (String fileNameInAdapter : adapterDirectory.list()) { Matcher frontendMatcher = sFrontEndInAdapterDirPattern.matcher( fileNameInAdapter); if (frontendMatcher.find()) { dvbDeviceFound = true; break; } } } if (dvbDeviceFound) { break; } } } if (dvbDeviceFound) { break; } } final long identity = Binder.clearCallingIdentity(); try { String deviceFileName; switch (deviceType) { case TvInputManager.DVB_DEVICE_DEMUX: deviceFileName = String.format(dvbDeviceFound ? "/dev/dvb/adapter%d/demux%d" : "/dev/dvb%d.demux%d", info.getAdapterId(), info.getDeviceId()); break; case TvInputManager.DVB_DEVICE_DVR: deviceFileName = String.format(dvbDeviceFound ? "/dev/dvb/adapter%d/dvr%d" : "/dev/dvb%d.dvr%d", info.getAdapterId(), info.getDeviceId()); break; case TvInputManager.DVB_DEVICE_FRONTEND: deviceFileName = String.format(dvbDeviceFound ? "/dev/dvb/adapter%d/frontend%d" : "/dev/dvb%d.frontend%d", info.getAdapterId(), info.getDeviceId()); break; default: throw new IllegalArgumentException("Invalid DVB device: " + deviceType); } try { // The DVB frontend device only needs to be opened in read/write mode, which // allows performing tuning operations. The DVB demux and DVR device are enough // to be opened in read only mode. return ParcelFileDescriptor.open(new File(deviceFileName), TvInputManager.DVB_DEVICE_FRONTEND == deviceType ? ParcelFileDescriptor.MODE_READ_WRITE : ParcelFileDescriptor.MODE_READ_ONLY); } catch (FileNotFoundException e) { return null; } } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getAvailableTvStreamConfigList(String inputId, int userId) throws RemoteException { ensureCaptureTvInputPermission(); final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "getAvailableTvStreamConfigList"); final long identity = Binder.clearCallingIdentity(); try { return mTvInputHardwareManager.getAvailableTvStreamConfigList( inputId, callingUid, resolvedUserId); } finally { Binder.restoreCallingIdentity(identity); } } @Override public boolean captureFrame(String inputId, Surface surface, TvStreamConfig config, int userId) throws RemoteException { ensureCaptureTvInputPermission(); final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "captureFrame"); final long identity = Binder.clearCallingIdentity(); try { String hardwareInputId = null; synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); if (userState.inputMap.get(inputId) == null) { Slog.e(TAG, "input not found for " + inputId); return false; } for (SessionState sessionState : userState.sessionStateMap.values()) { if (sessionState.inputId.equals(inputId) && sessionState.hardwareSessionToken != null) { hardwareInputId = userState.sessionStateMap.get( sessionState.hardwareSessionToken).inputId; break; } } } return mTvInputHardwareManager.captureFrame( (hardwareInputId != null) ? hardwareInputId : inputId, surface, config, callingUid, resolvedUserId); } finally { Binder.restoreCallingIdentity(identity); } } @Override public boolean isSingleSessionActive(int userId) throws RemoteException { ensureCaptureTvInputPermission(); final int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid, userId, "isSingleSessionActive"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); if (userState.sessionStateMap.size() == 1) { return true; } else if (userState.sessionStateMap.size() == 2) { SessionState[] sessionStates = userState.sessionStateMap.values().toArray( new SessionState[2]); // Check if there is a wrapper input. return sessionStates[0].hardwareSessionToken != null || sessionStates[1].hardwareSessionToken != null; } return false; } } finally { Binder.restoreCallingIdentity(identity); } } private void ensureCaptureTvInputPermission() { if (mContext.checkCallingPermission( android.Manifest.permission.CAPTURE_TV_INPUT) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires CAPTURE_TV_INPUT permission"); } } @Override public void requestChannelBrowsable(Uri channelUri, int userId) throws RemoteException { final String callingPackageName = getCallingPackageName(); final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), Binder.getCallingUid(), userId, "requestChannelBrowsable"); final long identity = Binder.clearCallingIdentity(); try { Intent intent = new Intent(TvContract.ACTION_CHANNEL_BROWSABLE_REQUESTED); List list = getContext().getPackageManager() .queryBroadcastReceivers(intent, 0); if (list != null) { for (ResolveInfo info : list) { String receiverPackageName = info.activityInfo.packageName; intent.putExtra(TvContract.EXTRA_CHANNEL_ID, ContentUris.parseId( channelUri)); intent.putExtra(TvContract.EXTRA_PACKAGE_NAME, callingPackageName); intent.setPackage(receiverPackageName); getContext().sendBroadcastAsUser(intent, new UserHandle(resolvedUserId)); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void requestBroadcastInfo(IBinder sessionToken, BroadcastInfoRequest request, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "requestBroadcastInfo"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).requestBroadcastInfo(request); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in requestBroadcastInfo", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void removeBroadcastInfo(IBinder sessionToken, int requestId, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "removeBroadcastInfo"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).removeBroadcastInfo(requestId); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in removeBroadcastInfo", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void requestAd(IBinder sessionToken, AdRequest request, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "requestAd"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).requestAd(request); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in requestAd", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void notifyAdBufferReady( IBinder sessionToken, AdBuffer buffer, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "notifyAdBuffer"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).notifyAdBufferReady(buffer); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in notifyAdBuffer", e); } finally { if (buffer != null) { buffer.getSharedMemory().close(); } } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public void notifyTvAdSessionData( IBinder sessionToken, String type, Bundle data, int userId) { final int callingUid = Binder.getCallingUid(); final int callingPid = Binder.getCallingPid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "notifyTvAdSessionData"); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { SessionState sessionState = getSessionStateLocked(sessionToken, callingUid, resolvedUserId); getSessionLocked(sessionState).notifyTvAdSessionData(type, data); } catch (RemoteException | SessionNotFoundException e) { Slog.e(TAG, "error in notifyTvAdSessionData", e); } } } finally { Binder.restoreCallingIdentity(identity); } } @Override public int getClientPid(String sessionId) { ensureTunerResourceAccessPermission(); final long identity = Binder.clearCallingIdentity(); int clientPid = TvInputManager.UNKNOWN_CLIENT_PID; try { synchronized (mLock) { try { clientPid = getClientPidLocked(sessionId); } catch (ClientPidNotFoundException e) { Slog.e(TAG, "error in getClientPid", e); } } } finally { Binder.restoreCallingIdentity(identity); } return clientPid; } @Override public int getClientUserId(String sessionId) { ensureTunerResourceAccessPermission(); int clientUserId = TvInputManager.UNKNOWN_CLIENT_USER_ID; final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { try { clientUserId = getClientUserIdLocked(sessionId); } catch (ClientUserIdNotFoundException e) { Slog.e(TAG, "error in getClientUserId", e); } } } finally { Binder.restoreCallingIdentity(identity); } return clientUserId; } @Override public int getClientPriority(int useCase, String sessionId) { ensureTunerResourceAccessPermission(); final int callingPid = Binder.getCallingPid(); final long identity = Binder.clearCallingIdentity(); try { int clientPid = TvInputManager.UNKNOWN_CLIENT_PID; if (sessionId != null) { synchronized (mLock) { try { clientPid = getClientPidLocked(sessionId); } catch (ClientPidNotFoundException e) { Slog.e(TAG, "error in getClientPriority", e); } } } else { clientPid = callingPid; } TunerResourceManager trm = (TunerResourceManager) mContext.getSystemService(Context.TV_TUNER_RESOURCE_MGR_SERVICE); return trm.getClientPriority(useCase, clientPid); } finally { Binder.restoreCallingIdentity(identity); } } @Override public List getCurrentTunedInfos(@UserIdInt int userId) { if (mContext.checkCallingPermission(android.Manifest.permission.ACCESS_TUNED_INFO) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException( "The caller does not have access tuned info permission"); } int callingPid = Binder.getCallingPid(); int callingUid = Binder.getCallingUid(); final int resolvedUserId = resolveCallingUserId(callingPid, callingUid, userId, "getTvCurrentChannelInfos"); synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(resolvedUserId); return getCurrentTunedInfosInternalLocked(userState, callingPid, callingUid); } } /** * Add a hardware device in the TvInputHardwareManager for CTS testing * purpose. * * @param deviceId the id of the adding hardware device. */ @Override public void addHardwareDevice(int deviceId) { TvInputHardwareInfo info = new TvInputHardwareInfo.Builder() .deviceId(deviceId) .type(TvInputHardwareInfo.TV_INPUT_TYPE_HDMI) .audioType(DEVICE_NONE) .audioAddress("0") .hdmiPortId(0) .build(); TvStreamConfig[] configs = { new TvStreamConfig.Builder().streamId(19001) .generation(1).maxHeight(600).maxWidth(800).type(1).build()}; mTvInputHardwareManager.onDeviceAvailable(info, configs); } /** * Remove a hardware device in the TvInputHardwareManager for CTS testing * purpose. * * @param deviceId the id of the removing hardware device. */ @Override public void removeHardwareDevice(int deviceId) { mTvInputHardwareManager.onDeviceUnavailable(deviceId); } @GuardedBy("mLock") private int getClientPidLocked(String sessionId) throws ClientPidNotFoundException { if (mSessionIdToSessionStateMap.get(sessionId) == null) { throw new ClientPidNotFoundException("Client Pid not found with sessionId " + sessionId); } return mSessionIdToSessionStateMap.get(sessionId).callingPid; } @GuardedBy("mLock") private int getClientUserIdLocked(String sessionId) throws ClientUserIdNotFoundException { SessionState sessionState = mSessionIdToSessionStateMap.get(sessionId); if (sessionState == null) { throw new ClientUserIdNotFoundException( "Client UserId not found with sessionId " + sessionId); } return sessionState.userId; } private void ensureTunerResourceAccessPermission() { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.TUNER_RESOURCE_ACCESS) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires TUNER_RESOURCE_ACCESS permission"); } } private void ensureTisExtensionInterfacePermission() { if (mContext.checkCallingPermission( android.Manifest.permission.TIS_EXTENSION_INTERFACE) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("Requires TIS_EXTENSION_INTERFACE permission"); } } @NeverCompile // Avoid size overhead of debugging code. @Override @SuppressWarnings("resource") protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) { final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; synchronized (mLock) { pw.println("User Ids (Current user: " + mCurrentUserId + "):"); pw.increaseIndent(); for (int i = 0; i < mUserStates.size(); i++) { int userId = mUserStates.keyAt(i); pw.println(Integer.valueOf(userId)); } pw.decreaseIndent(); for (int i = 0; i < mUserStates.size(); i++) { int userId = mUserStates.keyAt(i); UserState userState = getOrCreateUserStateLocked(userId); pw.println("UserState (" + userId + "):"); pw.increaseIndent(); pw.println("inputMap: inputId -> TvInputState"); pw.increaseIndent(); for (Map.Entry entry: userState.inputMap.entrySet()) { pw.println(entry.getKey() + ": " + entry.getValue()); } pw.decreaseIndent(); pw.println("packageSet:"); pw.increaseIndent(); for (String packageName : userState.packageSet) { pw.println(packageName); } pw.decreaseIndent(); pw.println("clientStateMap: ITvInputClient -> ClientState"); pw.increaseIndent(); for (Map.Entry entry : userState.clientStateMap.entrySet()) { ClientState client = entry.getValue(); pw.println(entry.getKey() + ": " + client); pw.increaseIndent(); pw.println("sessionTokens:"); pw.increaseIndent(); for (IBinder token : client.sessionTokens) { pw.println("" + token); } pw.decreaseIndent(); pw.println("clientTokens: " + client.clientToken); pw.println("userId: " + client.userId); pw.decreaseIndent(); } pw.decreaseIndent(); pw.println("serviceStateMap: ComponentName -> ServiceState"); pw.increaseIndent(); for (Map.Entry entry : userState.serviceStateMap.entrySet()) { ServiceState service = entry.getValue(); pw.println(entry.getKey() + ": " + service); pw.increaseIndent(); pw.println("sessionTokens:"); pw.increaseIndent(); for (IBinder token : service.sessionTokens) { pw.println("" + token); } pw.decreaseIndent(); pw.println("service: " + service.service); pw.println("callback: " + service.callback); pw.println("bound: " + service.bound); pw.println("reconnecting: " + service.reconnecting); pw.decreaseIndent(); } pw.decreaseIndent(); pw.println("sessionStateMap: ITvInputSession -> SessionState"); pw.increaseIndent(); for (Map.Entry entry : userState.sessionStateMap.entrySet()) { SessionState session = entry.getValue(); pw.println(entry.getKey() + ": " + session); pw.increaseIndent(); pw.println("inputId: " + session.inputId); pw.println("sessionId: " + session.sessionId); pw.println("client: " + session.client); pw.println("seq: " + session.seq); pw.println("callingUid: " + session.callingUid); pw.println("callingPid: " + session.callingPid); pw.println("userId: " + session.userId); pw.println("sessionToken: " + session.sessionToken); pw.println("session: " + session.session); pw.println("hardwareSessionToken: " + session.hardwareSessionToken); pw.decreaseIndent(); } pw.decreaseIndent(); pw.println("mCallbacks:"); pw.increaseIndent(); int n = userState.mCallbacks.beginBroadcast(); for (int j = 0; j < n; ++j) { pw.println(userState.mCallbacks.getRegisteredCallbackItem(j)); } userState.mCallbacks.finishBroadcast(); pw.decreaseIndent(); pw.println("mainSessionToken: " + userState.mainSessionToken); pw.decreaseIndent(); } } mTvInputHardwareManager.dump(fd, writer, args); } @Override public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err, String[] args, ShellCallback callback, android.os.ResultReceiver resultReceiver) throws RemoteException { (new TvInputManagerShellCommand(TvInputManagerService.this)).exec( this, in, out, err, args, callback, resultReceiver); } } // get the actual input id of the specific sessionState. // e.g. if an HDMI port has a CEC device plugged in, the actual input id of the HDMI // session should be the input id of CEC device instead of the default HDMI input id. @GuardedBy("mLock") private String getSessionActualInputId(SessionState sessionState) { UserState userState = getOrCreateUserStateLocked(sessionState.userId); TvInputState tvInputState = userState.inputMap.get(sessionState.inputId); if (tvInputState == null) { Slog.w(TAG, "No TvInputState for sessionState.inputId " + sessionState.inputId); return sessionState.inputId; } TvInputInfo tvInputInfo = tvInputState.info; if (tvInputInfo == null) { Slog.w(TAG, "TvInputInfo is null for input id " + sessionState.inputId); return sessionState.inputId; } String sessionActualInputId = sessionState.inputId; switch (tvInputInfo.getType()) { case TvInputInfo.TYPE_HDMI: // TODO: find a better approach towards active CEC device in future Map> hdmiParentInputMap = mTvInputHardwareManager.getHdmiParentInputMap(); if (hdmiParentInputMap.containsKey(sessionState.inputId)) { List parentInputList = hdmiParentInputMap.get(sessionState.inputId); sessionActualInputId = parentInputList.get(0); } break; default: break; } return sessionActualInputId; } @Nullable private static TvInputState getTvInputState( SessionState sessionState, @Nullable UserState userState) { if (userState != null) { return userState.inputMap.get(sessionState.inputId); } return null; } @GuardedBy("mLock") private List getCurrentTunedInfosInternalLocked( UserState userState, int callingPid, int callingUid) { List channelInfos = new ArrayList<>(); boolean watchedProgramsAccess = hasAccessWatchedProgramsPermission(callingPid, callingUid); for (SessionState state : userState.sessionStateMap.values()) { if (state.isCurrent) { Integer appTag; int appType; if (state.callingUid == callingUid) { appTag = APP_TAG_SELF; appType = TunedInfo.APP_TYPE_SELF; } else { appTag = userState.mAppTagMap.get(state.callingUid); if (appTag == null) { appTag = userState.mNextAppTag++; userState.mAppTagMap.put(state.callingUid, appTag); } appType = isSystemApp(state.componentName.getPackageName()) ? TunedInfo.APP_TYPE_SYSTEM : TunedInfo.APP_TYPE_NON_SYSTEM; } channelInfos.add(new TunedInfo( state.isRecordingSession ? state.inputId : mOnScreenInputId, watchedProgramsAccess ? state.currentChannel : null, state.isRecordingSession, state.isVisible, state.isMainSession, appType, appTag)); } } return channelInfos; } private boolean hasAccessWatchedProgramsPermission(int callingPid, int callingUid) { return mContext.checkPermission(PERMISSION_ACCESS_WATCHED_PROGRAMS, callingPid, callingUid) == PackageManager.PERMISSION_GRANTED; } private boolean isSystemApp(String pkg) { try { return (mContext.getPackageManager().getApplicationInfo(pkg, 0).flags & ApplicationInfo.FLAG_SYSTEM) != 0; } catch (NameNotFoundException e) { return false; } } /** * Log Tune state changes to {@link FrameworkStatsLog}. * *

WARNING Any changes to this field should be carefully reviewed for privacy. * Inspect the code at: * *

    *
  • framework/base/cmds/statsd/src/atoms.proto#TifTuneState *
  • {@link #logTuneStateChanged} *
  • {@link TvInputManagerService.BinderService#createSession} *
  • {@link SessionState#sessionId} *
*/ private void logTuneStateChanged(int state, SessionState sessionState, @Nullable TvInputState inputState) { int tisUid = Process.INVALID_UID; int inputType = FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__TYPE__TIF_INPUT_TYPE_UNKNOWN; int inputId = 0; int hdmiPort = 0; if (inputState != null) { tisUid = inputState.uid; inputType = inputState.info.getType(); if (inputType == TvInputInfo.TYPE_TUNER) { inputType = FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__TYPE__TUNER; } inputId = inputState.inputNumber; HdmiDeviceInfo hdmiDeviceInfo = inputState.info.getHdmiDeviceInfo(); if (hdmiDeviceInfo != null) { hdmiPort = hdmiDeviceInfo.getPortId(); } } FrameworkStatsLog.write(FrameworkStatsLog.TIF_TUNE_CHANGED, new int[]{sessionState.callingUid, tisUid}, new String[]{"tif_player", "tv_input_service"}, state, sessionState.sessionId, inputType, inputId, hdmiPort); } @GuardedBy("mLock") private void logExternalInputEvent(int eventType, String inputId, SessionState sessionState) { UserState userState = getOrCreateUserStateLocked(sessionState.userId); TvInputState tvInputState = userState.inputMap.get(inputId); if (tvInputState == null) { Slog.w(TAG, "Cannot find input state for input id " + inputId); // If input id is not found, try to find the input id of this sessionState. inputId = sessionState.inputId; tvInputState = userState.inputMap.get(inputId); } if (tvInputState == null) { Slog.w(TAG, "Cannot find input state for sessionState.inputId " + inputId); return; } TvInputInfo tvInputInfo = tvInputState.info; if (tvInputInfo == null) { Slog.w(TAG, "TvInputInfo is null for input id " + inputId); return; } int inputState = tvInputState.state; int inputType = tvInputInfo.getType(); String displayName = tvInputInfo.loadLabel(mContext).toString(); // For non-CEC input, the value of vendorId is 0xFFFFFF (16777215 in decimal). int vendorId = 16777215; // For non-HDMI input, the value of hdmiPort is -1. int hdmiPort = -1; String tifSessionId = sessionState.sessionId; if (tvInputInfo.getType() == TvInputInfo.TYPE_HDMI) { HdmiDeviceInfo hdmiDeviceInfo = tvInputInfo.getHdmiDeviceInfo(); if (hdmiDeviceInfo != null) { hdmiPort = hdmiDeviceInfo.getPortId(); if (hdmiDeviceInfo.isCecDevice()) { displayName = hdmiDeviceInfo.getDisplayName(); if (mExternalInputLoggingDisplayNameFilterEnabled) { displayName = filterExternalInputLoggingDisplayName(displayName); } vendorId = hdmiDeviceInfo.getVendorId(); } } } FrameworkStatsLog.write(FrameworkStatsLog.EXTERNAL_TV_INPUT_EVENT, eventType, inputState, inputType, vendorId, hdmiPort, tifSessionId, displayName); } private String filterExternalInputLoggingDisplayName(String displayName) { String nullDisplayName = "NULL_DISPLAY_NAME", filteredDisplayName = "FILTERED_DISPLAY_NAME"; if (displayName == null) { return nullDisplayName; } if (mExternalInputLoggingDeviceOnScreenDisplayNames.contains(displayName)) { return displayName; } for (String brandName : mExternalInputLoggingDeviceBrandNames) { if (displayName.toUpperCase().contains(brandName.toUpperCase())) { return brandName; } } return filteredDisplayName; } private class TvInputManagerCallbackList extends RemoteCallbackList { @Override public void onCallbackDied(ITvInputManagerCallback callback) { synchronized (mLock) { for (int i = 0; i < mUserStates.size(); i++) { int userId = mUserStates.keyAt(i); UserState userState = getOrCreateUserStateLocked(userId); userState.callbackPidUidMap.remove(callback); } } } } private final class UserState { // A mapping from the TV input id to its TvInputState. private Map inputMap = new HashMap<>(); // A set of all TV input packages. private final Set packageSet = new HashSet<>(); // A list of all TV content rating systems defined. private final List contentRatingSystemList = new ArrayList<>(); // A mapping from the token of a client to its state. private final Map clientStateMap = new HashMap<>(); // A mapping from the name of a TV input service to its state. private final Map serviceStateMap = new HashMap<>(); // A mapping from the token of a TV input session to its state. private final Map sessionStateMap = new HashMap<>(); // A list of callbacks. private final TvInputManagerCallbackList mCallbacks = new TvInputManagerCallbackList(); private final Map> callbackPidUidMap = new HashMap<>(); // The token of a "main" TV input session. private IBinder mainSessionToken = null; // Persistent data store for all internal settings maintained by the TV input manager // service. private final PersistentDataStore persistentDataStore; @GuardedBy("TvInputManagerService.this.mLock") private final Map mAppTagMap = new HashMap<>(); @GuardedBy("TvInputManagerService.this.mLock") private int mNextAppTag = 1; private UserState(Context context, int userId) { persistentDataStore = new PersistentDataStore(context, userId); } } private final class ClientState implements IBinder.DeathRecipient { private final List sessionTokens = new ArrayList<>(); private IBinder clientToken; private final int userId; ClientState(IBinder clientToken, int userId) { this.clientToken = clientToken; this.userId = userId; } public boolean isEmpty() { return sessionTokens.isEmpty(); } @Override public void binderDied() { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(userId); // DO NOT remove the client state of clientStateMap in this method. It will be // removed in releaseSessionLocked(). ClientState clientState = userState.clientStateMap.get(clientToken); if (clientState != null) { while (clientState.sessionTokens.size() > 0) { IBinder sessionToken = clientState.sessionTokens.get(0); releaseSessionLocked( sessionToken, Process.SYSTEM_UID, userId); // the releaseSessionLocked function may return before the sessionToken // is removed if the related sessionState is null. So need to check again // to avoid death curculation. if (clientState.sessionTokens.contains(sessionToken)) { Slog.d(TAG, "remove sessionToken " + sessionToken + " for " + clientToken); clientState.sessionTokens.remove(sessionToken); } } } clientToken = null; } } } private final class ServiceState { private final List sessionTokens = new ArrayList<>(); private final ServiceConnection connection; private final ComponentName component; private final boolean isHardware; private final Map hardwareInputMap = new HashMap<>(); private final List hardwareDeviceRemovedBuffer = new ArrayList<>(); private final List hdmiDeviceRemovedBuffer = new ArrayList<>(); private final List hdmiDeviceUpdatedBuffer = new ArrayList<>(); private ITvInputService service; private ServiceCallback callback; private boolean bound; private boolean reconnecting; private boolean needInit; private ServiceState(ComponentName component, int userId) { this.component = component; this.connection = new InputServiceConnection(component, userId); this.isHardware = hasHardwarePermission(mContext.getPackageManager(), component); this.needInit = true; } } private static final class TvInputState { /** A TvInputInfo object which represents the TV input. */ private TvInputInfo info; /** * ID unique to a specific TvInputService. */ private int inputNumber; /** * The kernel user-ID that has been assigned to the application the TvInput is a part of. * *

* Currently this is not a unique ID (multiple applications can have * the same uid). */ private int uid; /** * The state of TV input. * *

* Connected by default */ private int state = INPUT_STATE_CONNECTED; @Override public String toString() { return "info: " + info + "; state: " + state; } } private final class SessionState implements IBinder.DeathRecipient { private final String inputId; /** * A randomly generated id for this this session. * *

This field contains no user or device reference and is large enough to be * effectively globally unique. * *

WARNING Any changes to this field should be carefully reviewed for privacy. * Inspect the code at: * *

    *
  • framework/base/cmds/statsd/src/atoms.proto#TifTuneState *
  • {@link #logTuneStateChanged} *
  • {@link TvInputManagerService.BinderService#createSession} *
  • {@link SessionState#sessionId} *
*/ private final String sessionId; private final ComponentName componentName; private final boolean isRecordingSession; private final ITvInputClient client; private final AttributionSource tvAppAttributionSource; private final int seq; /** * The {code UID} of the application that created the session. * *

* The application is usually the TIF Player. */ private final int callingUid; /** * The {@code PID} of the application that created the session. * *

* The application is usually the TIF Player. */ private final int callingPid; private final int userId; private final IBinder sessionToken; private ITvInputSession session; // Not null if this session represents an external device connected to a hardware TV input. private IBinder hardwareSessionToken; private boolean isCurrent = false; private Uri currentChannel = null; private boolean isVisible = false; private boolean isMainSession = false; private SessionState(IBinder sessionToken, String inputId, ComponentName componentName, boolean isRecordingSession, ITvInputClient client, int seq, int callingUid, int callingPid, int userId, String sessionId, AttributionSource tvAppAttributionSource) { this.sessionToken = sessionToken; this.inputId = inputId; this.componentName = componentName; this.isRecordingSession = isRecordingSession; this.client = client; this.seq = seq; this.callingUid = callingUid; this.callingPid = callingPid; this.userId = userId; this.sessionId = sessionId; this.tvAppAttributionSource = tvAppAttributionSource; } @Override public void binderDied() { synchronized (mLock) { session = null; clearSessionAndNotifyClientLocked(this); } } } @GuardedBy("mLock") private void bindService(ServiceState serviceState, int userId) { if (serviceState.bound) { // We have already bound to the service so we don't try to bind again until after we // unbind later on. // For hardware services, call updateHardwareServiceConnectionDelayed() to delay the // possible unbinding. if (serviceState.isHardware) { updateHardwareServiceConnectionDelayed(userId); } return; } if (DEBUG) { Slog.d(TAG, "bindServiceAsUser(service=" + serviceState.component + ", userId=" + userId + ")"); } int bindUserId = userId; if (kidsModeTvdbSharing() && isServiceSingleUser(serviceState.component)) { bindUserId = UserHandle.USER_SYSTEM; } Intent i = new Intent(TvInputService.SERVICE_INTERFACE).setComponent(serviceState.component); serviceState.bound = mContext.bindServiceAsUser(i, serviceState.connection, Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE, new UserHandle(bindUserId)); if (!serviceState.bound) { Slog.e(TAG, "failed to bind " + serviceState.component + " for userId " + userId); mContext.unbindService(serviceState.connection); } } @GuardedBy("mLock") private void unbindService(ServiceState serviceState) { if (serviceState == null || !serviceState.bound) { return; } if (DEBUG) { Slog.d(TAG, "unbindService(service=" + serviceState.component + ")"); } if (serviceState.callback != null) { try { serviceState.service.unregisterCallback(serviceState.callback); } catch (RemoteException e) { Slog.e(TAG, "error in unregisterCallback", e); } } mContext.unbindService(serviceState.connection); serviceState.bound = false; serviceState.service = null; serviceState.callback = null; } @GuardedBy("mLock") private void updateHardwareTvInputServiceBindingLocked(int userId) { PackageManager pm = mContext.getPackageManager(); List services = pm.queryIntentServicesAsUser(new Intent(TvInputService.SERVICE_INTERFACE), PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, userId); for (ResolveInfo ri : services) { ServiceInfo si = ri.serviceInfo; if (!android.Manifest.permission.BIND_TV_INPUT.equals(si.permission)) { continue; } ComponentName component = new ComponentName(si.packageName, si.name); if (!hasAlwaysBoundPermission(pm, component) && hasHardwarePermission(pm, component)) { updateServiceConnectionLocked(component, userId); } } } private void updateHardwareServiceConnectionDelayed(int userId) { mMessageHandler.removeMessages(MessageHandler.MSG_UPDATE_HARDWARE_TIS_BINDING); SomeArgs args = SomeArgs.obtain(); args.arg1 = userId; Message msg = mMessageHandler.obtainMessage(MessageHandler.MSG_UPDATE_HARDWARE_TIS_BINDING, args); mMessageHandler.sendMessageDelayed(msg, UPDATE_HARDWARE_TIS_BINDING_DELAY_IN_MILLIS); } @GuardedBy("mLock") private void addHardwareInputLocked( TvInputInfo inputInfo, ComponentName component, int userId) { ServiceState serviceState = getServiceStateLocked(component, userId); if (serviceState == null) return; serviceState.hardwareInputMap.put(inputInfo.getId(), inputInfo); setPictureProfileLocked(inputInfo.getId()); buildTvInputListLocked(userId, null); } @GuardedBy("mLock") private void setPictureProfileLocked(String inputId) { if (mMediaQualityManager == null) { mMediaQualityManager = (MediaQualityManager) getContext() .getSystemService(Context.MEDIA_QUALITY_SERVICE); if (mMediaQualityManager == null) { return; } } long profileHandle = mMediaQualityManager.getPictureProfileForTvInput(inputId); mTvInputHardwareManager.setPictureProfile(inputId, profileHandle); } @GuardedBy("mLock") private void removeHardwareInputLocked(String inputId, int userId) { if (!mTvInputHardwareManager.getInputMap().containsKey(inputId)) { return; } ComponentName component = mTvInputHardwareManager.getInputMap().get(inputId).getComponent(); ServiceState serviceState = getServiceStateLocked(component, userId); if (serviceState != null) { serviceState.hardwareInputMap.remove(inputId); buildTvInputListLocked(userId, null); } mTvInputHardwareManager.removeHardwareInput(inputId); } private final class InputServiceConnection implements ServiceConnection { private final ComponentName mComponent; private final int mUserId; private InputServiceConnection(ComponentName component, int userId) { mComponent = component; mUserId = userId; } @Override public void onServiceConnected(ComponentName component, IBinder service) { if (DEBUG) { Slog.d(TAG, "onServiceConnected(component=" + component + ")"); } synchronized (mLock) { UserState userState = getUserStateLocked(mUserId); if (userState == null) { // The user was removed while connecting. mContext.unbindService(this); return; } ServiceState serviceState = userState.serviceStateMap.get(mComponent); serviceState.service = ITvInputService.Stub.asInterface(service); serviceState.needInit = false; // Register a callback, if we need to. if (serviceState.isHardware && serviceState.callback == null) { serviceState.callback = new ServiceCallback(mComponent, mUserId); try { serviceState.service.registerCallback(serviceState.callback); } catch (RemoteException e) { Slog.e(TAG, "error in registerCallback", e); } } for (TvInputState inputState : userState.inputMap.values()) { if (inputState.info.getComponent().equals(component) && inputState.state != INPUT_STATE_CONNECTED) { notifyInputStateChangedLocked(userState, inputState.info.getId(), inputState.state, null); } } if (serviceState.isHardware) { for (TvInputHardwareInfo hardwareToBeRemoved : serviceState.hardwareDeviceRemovedBuffer) { try { serviceState.service.notifyHardwareRemoved(hardwareToBeRemoved); } catch (RemoteException e) { Slog.e(TAG, "error in hardwareDeviceRemovedBuffer", e); } } serviceState.hardwareDeviceRemovedBuffer.clear(); for (HdmiDeviceInfo hdmiDeviceToBeRemoved : serviceState.hdmiDeviceRemovedBuffer) { try { serviceState.service.notifyHdmiDeviceRemoved(hdmiDeviceToBeRemoved); } catch (RemoteException e) { Slog.e(TAG, "error in hdmiDeviceRemovedBuffer", e); } } serviceState.hdmiDeviceRemovedBuffer.clear(); for (TvInputHardwareInfo hardware : mTvInputHardwareManager.getHardwareList()) { try { serviceState.service.notifyHardwareAdded(hardware); } catch (RemoteException e) { Slog.e(TAG, "error in notifyHardwareAdded", e); } } for (HdmiDeviceInfo device : mTvInputHardwareManager.getHdmiDeviceList()) { try { serviceState.service.notifyHdmiDeviceAdded(device); } catch (RemoteException e) { Slog.e(TAG, "error in notifyHdmiDeviceAdded", e); } } for (HdmiDeviceInfo hdmiDeviceToBeUpdated : serviceState.hdmiDeviceUpdatedBuffer) { try { serviceState.service.notifyHdmiDeviceUpdated(hdmiDeviceToBeUpdated); } catch (RemoteException e) { Slog.e(TAG, "error in hdmiDeviceUpdatedBuffer", e); } } serviceState.hdmiDeviceUpdatedBuffer.clear(); } List tokensToBeRemoved = new ArrayList<>(); // And create sessions, if any. for (IBinder sessionToken : serviceState.sessionTokens) { if (!createSessionInternalLocked(serviceState.service, sessionToken, mUserId)) { tokensToBeRemoved.add(sessionToken); } } for (IBinder sessionToken : tokensToBeRemoved) { removeSessionStateLocked(sessionToken, mUserId); } if (serviceState.isHardware) { updateHardwareServiceConnectionDelayed(mUserId); } } } @Override public void onServiceDisconnected(ComponentName component) { if (DEBUG) { Slog.d(TAG, "onServiceDisconnected(component=" + component + ")"); } if (!mComponent.equals(component)) { throw new IllegalArgumentException("Mismatched ComponentName: " + mComponent + " (expected), " + component + " (actual)."); } synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(mUserId); ServiceState serviceState = userState.serviceStateMap.get(mComponent); if (serviceState != null) { serviceState.reconnecting = true; serviceState.bound = false; serviceState.service = null; serviceState.callback = null; abortPendingCreateSessionRequestsLocked(serviceState, null, mUserId); } } } } private final class ServiceCallback extends ITvInputServiceCallback.Stub { private final ComponentName mComponent; private final int mUserId; ServiceCallback(ComponentName component, int userId) { mComponent = component; mUserId = userId; } private void ensureHardwarePermission() { if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE) != PackageManager.PERMISSION_GRANTED) { throw new SecurityException("The caller does not have hardware permission"); } } private void ensureValidInput(TvInputInfo inputInfo) { if (inputInfo.getId() == null || !mComponent.equals(inputInfo.getComponent())) { throw new IllegalArgumentException("Invalid TvInputInfo"); } } public void addHardwareInput(int deviceId, TvInputInfo inputInfo) { ensureHardwarePermission(); ensureValidInput(inputInfo); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); if (serviceState != null && serviceState.hardwareInputMap.containsKey( inputInfo.getId())) { return; } Slog.d(TAG, "ServiceCallback: addHardwareInput, deviceId: " + deviceId + ", inputInfo: " + inputInfo.toString() + " by " + mComponent + ", userId: " + mUserId); mTvInputHardwareManager.addHardwareInput(deviceId, inputInfo); addHardwareInputLocked(inputInfo, mComponent, mUserId); } } finally { Binder.restoreCallingIdentity(identity); } } public void addHdmiInput(int id, TvInputInfo inputInfo) { ensureHardwarePermission(); ensureValidInput(inputInfo); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { ServiceState serviceState = getServiceStateLocked(mComponent, mUserId); if (serviceState != null && serviceState.hardwareInputMap.containsKey( inputInfo.getId())) { return; } Slog.d(TAG, "ServiceCallback: addHdmiInput, id: " + id + ", inputInfo: "+ inputInfo.toString() + " by " + mComponent + ", userId: " + mUserId); mTvInputHardwareManager.addHdmiInput(id, inputInfo); addHardwareInputLocked(inputInfo, mComponent, mUserId); if (mOnScreenInputId != null && mOnScreenSessionState != null) { if (TextUtils.equals(mOnScreenInputId, inputInfo.getParentId())) { // catch the use case when a CEC device is plugged in an HDMI port, // and TV app does not explicitly call tune() to the added CEC input. logExternalInputEvent( FrameworkStatsLog.EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__TUNED, inputInfo.getId(), mOnScreenSessionState); mOnScreenInputId = inputInfo.getId(); } else if (TextUtils.equals(mOnScreenInputId, inputInfo.getId())) { // catch the use case when a CEC device disconnects itself // and reconnects to update info. logExternalInputEvent( FrameworkStatsLog .EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__DEVICE_INFO_UPDATED, mOnScreenInputId, mOnScreenSessionState); } } } } finally { Binder.restoreCallingIdentity(identity); } } public void removeHardwareInput(String inputId) { ensureHardwarePermission(); final long identity = Binder.clearCallingIdentity(); try { synchronized (mLock) { if (mUserId == mCurrentUserId) { Slog.d(TAG, "ServiceCallback: removeHardwareInput, inputId: " + inputId + " by " + mComponent + ", userId: " + mUserId); removeHardwareInputLocked(inputId, mUserId); } } } finally { Binder.restoreCallingIdentity(identity); } } } private final class SessionCallback extends ITvInputSessionCallback.Stub { private final SessionState mSessionState; private final InputChannel[] mChannels; SessionCallback(SessionState sessionState, InputChannel[] channels) { mSessionState = sessionState; mChannels = channels; } @Override public void onSessionCreated(ITvInputSession session, IBinder hardwareSessionToken) { if (DEBUG) { Slog.d(TAG, "onSessionCreated(inputId=" + mSessionState.inputId + ")"); } synchronized (mLock) { mSessionState.session = session; mSessionState.hardwareSessionToken = hardwareSessionToken; if (session != null && addSessionTokenToClientStateLocked(session)) { sendSessionTokenToClientLocked(mSessionState.client, mSessionState.inputId, mSessionState.sessionToken, mChannels[0], mSessionState.seq); } else { removeSessionStateLocked(mSessionState.sessionToken, mSessionState.userId); sendSessionTokenToClientLocked(mSessionState.client, mSessionState.inputId, null, null, mSessionState.seq); } mChannels[0].dispose(); } } @GuardedBy("mLock") private boolean addSessionTokenToClientStateLocked(ITvInputSession session) { try { session.asBinder().linkToDeath(mSessionState, 0); } catch (RemoteException e) { Slog.e(TAG, "session process has already died", e); return false; } IBinder clientToken = mSessionState.client.asBinder(); UserState userState = getOrCreateUserStateLocked(mSessionState.userId); ClientState clientState = userState.clientStateMap.get(clientToken); if (clientState == null) { clientState = new ClientState(clientToken, mSessionState.userId); try { clientToken.linkToDeath(clientState, 0); } catch (RemoteException e) { Slog.e(TAG, "client process has already died", e); return false; } userState.clientStateMap.put(clientToken, clientState); } clientState.sessionTokens.add(mSessionState.sessionToken); return true; } @Override public void onChannelRetuned(Uri channelUri) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onChannelRetuned(" + channelUri + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { // TODO: Consider adding this channel change in the watch log. When we do // that, how we can protect the watch log from malicious tv inputs should // be addressed. e.g. add a field which represents where the channel change // originated from. mSessionState.client.onChannelRetuned(channelUri, mSessionState.seq); if (!mSessionState.isCurrent || !Objects.equals(mSessionState.currentChannel, channelUri)) { UserState userState = getOrCreateUserStateLocked(mSessionState.userId); mSessionState.isCurrent = true; mSessionState.currentChannel = channelUri; if (!mSessionState.isRecordingSession) { String sessionActualInputId = getSessionActualInputId(mSessionState); if (!TextUtils.equals(mOnScreenInputId, sessionActualInputId)) { logExternalInputEvent( FrameworkStatsLog .EXTERNAL_TV_INPUT_EVENT__EVENT_TYPE__TUNED, sessionActualInputId, mSessionState); } mOnScreenInputId = sessionActualInputId; mOnScreenSessionState = mSessionState; } notifyCurrentChannelInfosUpdatedLocked(userState); } } catch (RemoteException e) { Slog.e(TAG, "error in onChannelRetuned", e); } } } @Override public void onAudioPresentationsChanged(List audioPresentations) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAudioPresentationChanged(" + audioPresentations + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAudioPresentationsChanged(audioPresentations, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAudioPresentationsChanged", e); } } } @Override public void onAudioPresentationSelected(int presentationId, int programId) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAudioPresentationSelected(presentationId=" + presentationId + ", programId=" + programId + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAudioPresentationSelected(presentationId, programId, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAudioPresentationSelected", e); } } } @Override public void onTracksChanged(List tracks) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTracksChanged(" + tracks + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTracksChanged(tracks, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTracksChanged", e); } } } @Override public void onTrackSelected(int type, String trackId) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTrackSelected(type=" + type + ", trackId=" + trackId + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTrackSelected(type, trackId, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTrackSelected", e); } } } @Override public void onVideoAvailable() { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onVideoAvailable()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } TvInputState tvInputState = getTvInputState(mSessionState, getUserStateLocked(mCurrentUserId)); try { mSessionState.client.onVideoAvailable(mSessionState.seq); logTuneStateChanged( FrameworkStatsLog.TIF_TUNE_STATE_CHANGED__STATE__VIDEO_AVAILABLE, mSessionState, tvInputState); } catch (RemoteException e) { Slog.e(TAG, "error in onVideoAvailable", e); } } } @Override public void onVideoUnavailable(int reason) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onVideoUnavailable(" + reason + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } TvInputState tvInputState = getTvInputState(mSessionState, getUserStateLocked(mCurrentUserId)); try { mSessionState.client.onVideoUnavailable(reason, mSessionState.seq); int loggedReason = getVideoUnavailableReasonForStatsd(reason); logTuneStateChanged(loggedReason, mSessionState, tvInputState); } catch (RemoteException e) { Slog.e(TAG, "error in onVideoUnavailable", e); } } } @Override public void onVideoFreezeUpdated(boolean isFrozen) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onVideoFreezeUpdated(" + isFrozen + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onVideoFreezeUpdated(isFrozen, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onVideoFreezeUpdated", e); } } } @Override public void onContentAllowed() { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onContentAllowed()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onContentAllowed(mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onContentAllowed", e); } } } @Override public void onContentBlocked(String rating) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onContentBlocked()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onContentBlocked(rating, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onContentBlocked", e); } } } @Override public void onLayoutSurface(int left, int top, int right, int bottom) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onLayoutSurface (left=" + left + ", top=" + top + ", right=" + right + ", bottom=" + bottom + ",)"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onLayoutSurface(left, top, right, bottom, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onLayoutSurface", e); } } } @Override public void onSessionEvent(String eventType, Bundle eventArgs) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onEvent(eventType=" + eventType + ", eventArgs=" + eventArgs + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onSessionEvent(eventType, eventArgs, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onSessionEvent", e); } } } @Override public void onTimeShiftStatusChanged(int status) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTimeShiftStatusChanged(status=" + status + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTimeShiftStatusChanged(status, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTimeShiftStatusChanged", e); } } } @Override public void onTimeShiftStartPositionChanged(long timeMs) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTimeShiftStartPositionChanged(timeMs=" + timeMs + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTimeShiftStartPositionChanged(timeMs, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTimeShiftStartPositionChanged", e); } } } @Override public void onTimeShiftCurrentPositionChanged(long timeMs) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTimeShiftCurrentPositionChanged(timeMs=" + timeMs + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTimeShiftCurrentPositionChanged(timeMs, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTimeShiftCurrentPositionChanged", e); } } } @Override public void onAitInfoUpdated(AitInfo aitInfo) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAitInfoUpdated(" + aitInfo + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAitInfoUpdated(aitInfo, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAitInfoUpdated", e); } } } @Override public void onSignalStrength(int strength) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onSignalStrength(" + strength + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onSignalStrength(strength, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onSignalStrength", e); } } } @Override public void onCueingMessageAvailability(boolean available) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onCueingMessageAvailability(" + available + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onCueingMessageAvailability(available, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onCueingMessageAvailability", e); } } } @Override public void onTimeShiftMode(int mode) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTimeShiftMode(" + mode + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTimeShiftMode(mode, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTimeShiftMode", e); } } } @Override public void onAvailableSpeeds(float[] speeds) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAvailableSpeeds(" + Arrays.toString(speeds) + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAvailableSpeeds(speeds, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAvailableSpeeds", e); } } } @Override public void onTuned(Uri channelUri) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTuned()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTuned(channelUri, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTuned", e); } } } @Override public void onTvMessage(int type, Bundle data) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTvMessage(type=" + type + ", data=" + data + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTvMessage(type, data, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTvMessage", e); } } } // For the recording session only @Override public void onRecordingStopped(Uri recordedProgramUri) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onRecordingStopped(recordedProgramUri=" + recordedProgramUri + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onRecordingStopped(recordedProgramUri, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onRecordingStopped", e); } } } // For the recording session only @Override public void onError(int error) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onError(error=" + error + ")"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onError(error, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onError", e); } } } @Override public void onBroadcastInfoResponse(BroadcastInfoResponse response) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onBroadcastInfoResponse()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onBroadcastInfoResponse(response, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onBroadcastInfoResponse", e); } } } @Override public void onAdResponse(AdResponse response) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAdResponse()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAdResponse(response, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAdResponse", e); } } } @Override public void onAdBufferConsumed(AdBuffer buffer) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onAdBufferConsumed()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onAdBufferConsumed(buffer, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onAdBufferConsumed", e); } finally { if (buffer != null) { buffer.getSharedMemory().close(); } } } } @Override public void onTvInputSessionData(String type, Bundle data) { synchronized (mLock) { if (DEBUG) { Slog.d(TAG, "onTvInputSessionData()"); } if (mSessionState.session == null || mSessionState.client == null) { return; } try { mSessionState.client.onTvInputSessionData(type, data, mSessionState.seq); } catch (RemoteException e) { Slog.e(TAG, "error in onTvInputSessionData", e); } } } } @VisibleForTesting static int getVideoUnavailableReasonForStatsd( @TvInputManager.VideoUnavailableReason int reason) { int loggedReason = reason + FrameworkStatsLog .TIF_TUNE_STATE_CHANGED__STATE__VIDEO_UNAVAILABLE_REASON_UNKNOWN; if (loggedReason < FrameworkStatsLog .TIF_TUNE_STATE_CHANGED__STATE__VIDEO_UNAVAILABLE_REASON_UNKNOWN || loggedReason > FrameworkStatsLog .TIF_TUNE_STATE_CHANGED__STATE__VIDEO_UNAVAILABLE_REASON_CAS_UNKNOWN) { loggedReason = FrameworkStatsLog .TIF_TUNE_STATE_CHANGED__STATE__VIDEO_UNAVAILABLE_REASON_UNKNOWN; } return loggedReason; } @GuardedBy("mLock") private UserState getUserStateLocked(int userId) { return mUserStates.get(userId); } private final class MessageHandler extends Handler { // There are only two kinds of watch events that can happen on the system: // 1. The current TV input session is tuned to a new channel. // 2. The session is released for some reason. // The former indicates the end of the previous log entry, if any, followed by the start of // a new entry. The latter indicates the end of the most recent entry for the given session. // Here the system supplies the database the smallest set of information only that is // sufficient to consolidate the log entries while minimizing database operations in the // system service. static final int MSG_LOG_WATCH_START = 1; static final int MSG_LOG_WATCH_END = 2; static final int MSG_SWITCH_CONTENT_RESOLVER = 3; static final int MSG_UPDATE_HARDWARE_TIS_BINDING = 4; static final int MSG_CHECK_TV_AS_ACTIVE_SOURCE = 5; private ContentResolver mContentResolver; MessageHandler(ContentResolver contentResolver, Looper looper) { super(looper); mContentResolver = contentResolver; } @Override public void handleMessage(Message msg) { switch (msg.what) { case MSG_LOG_WATCH_START: { SomeArgs args = (SomeArgs) msg.obj; String packageName = (String) args.arg1; long watchStartTime = (long) args.arg2; long channelId = (long) args.arg3; Bundle tuneParams = (Bundle) args.arg4; IBinder sessionToken = (IBinder) args.arg5; ContentValues values = new ContentValues(); values.put(TvContract.BaseTvColumns.COLUMN_PACKAGE_NAME, packageName); values.put(TvContract.WatchedPrograms.COLUMN_WATCH_START_TIME_UTC_MILLIS, watchStartTime); values.put(TvContract.WatchedPrograms.COLUMN_CHANNEL_ID, channelId); if (tuneParams != null) { values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_TUNE_PARAMS, encodeTuneParams(tuneParams)); } values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_SESSION_TOKEN, sessionToken.toString()); try{ mContentResolver.insert(TvContract.WatchedPrograms.CONTENT_URI, values); }catch(IllegalArgumentException ex){ Slog.w(TAG, "error in insert db for MSG_LOG_WATCH_START", ex); } args.recycle(); break; } case MSG_LOG_WATCH_END: { SomeArgs args = (SomeArgs) msg.obj; IBinder sessionToken = (IBinder) args.arg1; long watchEndTime = (long) args.arg2; ContentValues values = new ContentValues(); values.put(TvContract.WatchedPrograms.COLUMN_WATCH_END_TIME_UTC_MILLIS, watchEndTime); values.put(TvContract.WatchedPrograms.COLUMN_INTERNAL_SESSION_TOKEN, sessionToken.toString()); try{ mContentResolver.insert(TvContract.WatchedPrograms.CONTENT_URI, values); }catch(IllegalArgumentException ex){ Slog.w(TAG, "error in insert db for MSG_LOG_WATCH_END", ex); } args.recycle(); break; } case MSG_SWITCH_CONTENT_RESOLVER: { mContentResolver = (ContentResolver) msg.obj; break; } case MSG_UPDATE_HARDWARE_TIS_BINDING: if (tifUnbindInactiveTis()) { SomeArgs args = (SomeArgs) msg.obj; int userId = (int) args.arg1; synchronized (mLock) { updateHardwareTvInputServiceBindingLocked(userId); } args.recycle(); } break; case MSG_CHECK_TV_AS_ACTIVE_SOURCE: synchronized (mLock) { if (mOnScreenInputId == null) { assertTvAsCecActiveSourceLocked(); break; } // TV that switched to a different input, but not an HDMI input // (e.g. composite) can also assert active source. UserState userState = getOrCreateUserStateLocked(mCurrentUserId); TvInputState inputState = userState.inputMap.get(mOnScreenInputId); if (inputState == null) { Slog.w(TAG, "Unexpected null TvInputState."); break; } if (inputState.info.getType() != TvInputInfo.TYPE_HDMI) { assertTvAsCecActiveSourceLocked(); } } break; default: { Slog.w(TAG, "Unhandled message code: " + msg.what); break; } } } private String encodeTuneParams(Bundle tuneParams) { StringBuilder builder = new StringBuilder(); Set keySet = tuneParams.keySet(); Iterator it = keySet.iterator(); while (it.hasNext()) { String key = it.next(); Object value = tuneParams.get(key); if (value == null) { continue; } builder.append(replaceEscapeCharacters(key)); builder.append("="); builder.append(replaceEscapeCharacters(value.toString())); if (it.hasNext()) { builder.append(", "); } } return builder.toString(); } private String replaceEscapeCharacters(String src) { final char ESCAPE_CHARACTER = '%'; final String ENCODING_TARGET_CHARACTERS = "%=,"; StringBuilder builder = new StringBuilder(); for (char ch : src.toCharArray()) { if (ENCODING_TARGET_CHARACTERS.indexOf(ch) >= 0) { builder.append(ESCAPE_CHARACTER); } builder.append(ch); } return builder.toString(); } } private final class HardwareListener implements TvInputHardwareManager.Listener { @Override public void onStateChanged(String inputId, int state) { if (DEBUG) { Slog.d(TAG, "onStateChanged: inputId " + (inputId != null ? inputId : "null") + ", state " + state); } synchronized (mLock) { setStateLocked(inputId, state, mCurrentUserId); } } @Override public void onHardwareDeviceAdded(TvInputHardwareInfo info) { if (DEBUG) { Slog.d(TAG, "onHardwareDeviceAdded: TvInputHardwareInfo " + (info != null ? info.toString() : "null")); } synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(mCurrentUserId); // Broadcast the event to all hardware inputs. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (!serviceState.isHardware) { continue; } try { bindService(serviceState, mCurrentUserId); if (serviceState.service != null) { serviceState.service.notifyHardwareAdded(info); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHardwareAdded", e); } } updateHardwareServiceConnectionDelayed(mCurrentUserId); } } @Override public void onHardwareDeviceRemoved(TvInputHardwareInfo info) { if (DEBUG) { Slog.d(TAG, "onHardwareDeviceRemoved: TvInputHardwareInfo " + (info != null ? info.toString() : "null")); } synchronized (mLock) { String relatedInputId = mTvInputHardwareManager.getHardwareInputIdMap().get(info.getDeviceId()); removeHardwareInputLocked(relatedInputId, mCurrentUserId); UserState userState = getOrCreateUserStateLocked(mCurrentUserId); // Broadcast the event to all hardware inputs. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (!serviceState.isHardware) { continue; } try { bindService(serviceState, mCurrentUserId); if (serviceState.service != null) { serviceState.service.notifyHardwareRemoved(info); } else { serviceState.hardwareDeviceRemovedBuffer.add(info); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHardwareRemoved", e); } } updateHardwareServiceConnectionDelayed(mCurrentUserId); } } @Override public void onHdmiDeviceAdded(HdmiDeviceInfo deviceInfo) { if (DEBUG) { Slog.d(TAG, "onHdmiDeviceAdded: HdmiDeviceInfo " + (deviceInfo != null ? deviceInfo.toString() : "null")); } synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(mCurrentUserId); // Broadcast the event to all hardware inputs. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (!serviceState.isHardware) { continue; } try { bindService(serviceState, mCurrentUserId); if (serviceState.service != null) { serviceState.service.notifyHdmiDeviceAdded(deviceInfo); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHdmiDeviceAdded", e); } } updateHardwareServiceConnectionDelayed(mCurrentUserId); } } @Override public void onHdmiDeviceRemoved(HdmiDeviceInfo deviceInfo) { if (DEBUG) { Slog.d(TAG, "onHdmiDeviceRemoved: HdmiDeviceInfo " + (deviceInfo != null ? deviceInfo.toString() : "null")); } synchronized (mLock) { String relatedInputId = mTvInputHardwareManager.getHdmiInputIdMap().get(deviceInfo.getId()); removeHardwareInputLocked(relatedInputId, mCurrentUserId); UserState userState = getOrCreateUserStateLocked(mCurrentUserId); // Broadcast the event to all hardware inputs. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (!serviceState.isHardware) { continue; } try { bindService(serviceState, mCurrentUserId); if (serviceState.service != null) { serviceState.service.notifyHdmiDeviceRemoved(deviceInfo); } else { serviceState.hdmiDeviceRemovedBuffer.add(deviceInfo); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHdmiDeviceRemoved", e); } } updateHardwareServiceConnectionDelayed(mCurrentUserId); } } @Override public void onHdmiDeviceUpdated(String inputId, HdmiDeviceInfo deviceInfo) { if (DEBUG) { Slog.d(TAG, "onHdmiDeviceUpdated: inputId " + (inputId != null ? inputId : "null") + ", deviceInfo: " + (deviceInfo != null ? deviceInfo.toString() : "null")); } synchronized (mLock) { Integer state; switch (deviceInfo.getDevicePowerStatus()) { case HdmiControlManager.POWER_STATUS_ON: state = INPUT_STATE_CONNECTED; break; case HdmiControlManager.POWER_STATUS_STANDBY: case HdmiControlManager.POWER_STATUS_TRANSIENT_TO_ON: case HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY: state = INPUT_STATE_CONNECTED_STANDBY; break; case HdmiControlManager.POWER_STATUS_UNKNOWN: default: state = null; break; } if (state != null) { setStateLocked(inputId, state, mCurrentUserId); } UserState userState = getOrCreateUserStateLocked(mCurrentUserId); // Broadcast the event to all hardware inputs. for (ServiceState serviceState : userState.serviceStateMap.values()) { if (!serviceState.isHardware) { continue; } try { bindService(serviceState, mCurrentUserId); if (serviceState.service != null) { serviceState.service.notifyHdmiDeviceUpdated(deviceInfo); } else { serviceState.hdmiDeviceUpdatedBuffer.add(deviceInfo); } } catch (RemoteException e) { Slog.e(TAG, "error in notifyHdmiDeviceUpdated", e); } } updateHardwareServiceConnectionDelayed(mCurrentUserId); } } @Override public void onTvMessage(String inputId, int type, Bundle data) { synchronized (mLock) { UserState userState = getOrCreateUserStateLocked(mCurrentUserId); TvInputState inputState = userState.inputMap.get(inputId); if (inputState == null) { Slog.e(TAG, "failed to send TV message - unknown input id " + inputId); return; } ServiceState serviceState = userState.serviceStateMap.get(inputState.info .getComponent()); for (IBinder token : serviceState.sessionTokens) { try { SessionState sessionState = getSessionStateLocked(token, Binder.getCallingUid(), mCurrentUserId); if (!sessionState.isRecordingSession && sessionState.hardwareSessionToken != null) { sessionState.session.notifyTvMessage(type, data); } } catch (RemoteException e) { Slog.e(TAG, "error in onTvMessage", e); } } } } } @GuardedBy("mLock") private void assertTvAsCecActiveSourceLocked() { if (mHdmiTvClient == null) { Slog.w(TAG, "HdmiTvClient is null!"); return; } mHdmiTvClient.selectDevice(HdmiDeviceInfo.DEVICE_TV, mContext.getMainExecutor(), new HdmiClient.OnDeviceSelectedListener() { @Override public void onDeviceSelected(int result, int logicalAddress) { if (result == HdmiControlManager.RESULT_SUCCESS) { Slog.w(TAG, "Setting TV as the active CEC device was successful."); } else { Slog.w(TAG, "Setting TV as the active CEC device failed with result " + result); } } }); } private static class SessionNotFoundException extends IllegalArgumentException { public SessionNotFoundException(String name) { super(name); } } private static class ClientPidNotFoundException extends IllegalArgumentException { public ClientPidNotFoundException(String name) { super(name); } } private static class ClientUserIdNotFoundException extends IllegalArgumentException { ClientUserIdNotFoundException(String name) { super(name); } } }