/* * Copyright (C) 2021 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.launcher3.taskbar; import static android.animation.LayoutTransition.APPEARING; import static android.animation.LayoutTransition.CHANGE_APPEARING; import static android.animation.LayoutTransition.CHANGE_DISAPPEARING; import static android.animation.LayoutTransition.DISAPPEARING; import static android.view.Display.DEFAULT_DISPLAY; import static android.window.DesktopModeFlags.ENABLE_TASKBAR_OVERFLOW; import static com.android.app.animation.Interpolators.EMPHASIZED; import static com.android.app.animation.Interpolators.FINAL_FRAME; import static com.android.app.animation.Interpolators.LINEAR; import static com.android.launcher3.Flags.refactorTaskbarUiState; import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY; import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA; import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X; import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y; import static com.android.launcher3.Utilities.mapRange; import static com.android.launcher3.anim.AnimatedFloat.VALUE; import static com.android.launcher3.anim.AnimatorListeners.forEndCallback; import static com.android.launcher3.config.FeatureFlags.enableTaskbarPinning; import static com.android.launcher3.taskbar.TaskbarPinningController.PINNING_PERSISTENT; import static com.android.launcher3.taskbar.TaskbarPinningController.PINNING_TRANSIENT; import static com.android.launcher3.taskbar.bubbles.BubbleBarView.FADE_IN_ANIM_ALPHA_DURATION_MS; import static com.android.launcher3.taskbar.bubbles.BubbleBarView.FADE_OUT_ANIM_POSITION_DURATION_MS; import static com.android.launcher3.util.MultiPropertyFactory.MULTI_PROPERTY_VALUE; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_BUBBLE_BAR_ANIM; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_NAV_BAR_ANIM; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_TASKBAR_ALIGNMENT_ANIM; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_TASKBAR_PINNING_ANIM; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_TASKBAR_REVEAL_ANIM; import android.animation.Animator; import android.animation.AnimatorSet; import android.animation.LayoutTransition; import android.animation.LayoutTransition.TransitionListener; import android.animation.ObjectAnimator; import android.animation.ValueAnimator; import android.annotation.NonNull; import android.graphics.Rect; import android.util.FloatProperty; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.animation.Interpolator; import androidx.annotation.Nullable; import androidx.annotation.VisibleForTesting; import androidx.core.view.OneShotPreDrawListener; import com.android.app.animation.Interpolators; import com.android.launcher3.BubbleTextView; import com.android.launcher3.DeviceProfile; import com.android.launcher3.LauncherAppState; import com.android.launcher3.R; import com.android.launcher3.Reorderable; import com.android.launcher3.Utilities; import com.android.launcher3.anim.AlphaUpdateListener; import com.android.launcher3.anim.AnimatedFloat; import com.android.launcher3.anim.AnimatorPlaybackController; import com.android.launcher3.anim.PendingAnimation; import com.android.launcher3.anim.RevealOutlineAnimation; import com.android.launcher3.anim.RoundedRectRevealOutlineProvider; import com.android.launcher3.apppairs.AppPairIcon; import com.android.launcher3.config.FeatureFlags; import com.android.launcher3.deviceprofile.TaskbarProfile; import com.android.launcher3.model.ModelWriter; import com.android.launcher3.model.data.ItemInfo; import com.android.launcher3.model.data.TaskItemInfo; import com.android.launcher3.taskbar.bubbles.BubbleBarController; import com.android.launcher3.taskbar.bubbles.BubbleControllers; import com.android.launcher3.taskbar.customization.TaskbarAllAppsButtonContainer; import com.android.launcher3.taskbar.customization.TaskbarDividerContainer; import com.android.launcher3.taskbar.customization.TaskbarIconsContainer; import com.android.launcher3.taskbar.handoff.HandoffSuggestion; import com.android.launcher3.util.ItemInfoMatcher; import com.android.launcher3.util.LauncherBindableItemsContainer; import com.android.launcher3.util.MultiPropertyFactory; import com.android.launcher3.util.MultiPropertyFactory.MultiProperty; import com.android.launcher3.util.MultiTranslateDelegate; import com.android.launcher3.util.MultiValueAlpha; import com.android.launcher3.util.SandboxContext; import com.android.quickstep.util.GroupTask; import com.android.quickstep.util.SingleTask; import com.android.quickstep.util.SplitTask; import com.android.systemui.shared.recents.model.Task; import com.android.wm.shell.shared.bubbles.BubbleBarLocation; import java.io.PrintWriter; import java.util.Collections; import java.util.HashSet; import java.util.Set; import java.util.function.Predicate; /** * Handles properties/data collection, then passes the results to TaskbarView to render. */ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbarController, BubbleBarController.BubbleBarLocationListener { private static final String TAG = "TaskbarViewController"; private static final Runnable NO_OP = () -> { }; public static long TRANSLATION_X_FOR_BUBBLEBAR_ANIM_DURATION_MS = 250; public static final int ALPHA_INDEX_HOME = 0; public static final int ALPHA_INDEX_KEYGUARD = 1; public static final int ALPHA_INDEX_STASH = 2; public static final int ALPHA_INDEX_RECENTS_DISABLED = 3; public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 4; public static final int ALPHA_INDEX_ASSISTANT_INVOKED = 5; public static final int ALPHA_INDEX_SMALL_SCREEN = 6; public static final int ALPHA_INDEX_BUBBLE_BAR = 7; public static final int ALPHA_INDEX_RECREATE = 8; private static final int NUM_ALPHA_CHANNELS = 9; /** Only used for animation purposes, to position the divider between two item indices. */ public static final float DIVIDER_VIEW_POSITION_OFFSET = 0.5f; /** Used if an unexpected edge case is hit in {@link #getPositionInHotseat}. */ private static final float ERROR_POSITION_IN_HOTSEAT_NOT_FOUND = -100; private static final int TRANSITION_DELAY = 50; static final int TRANSITION_DEFAULT_DURATION = 500; private static final int TRANSITION_FADE_IN_DURATION = 167; private static final int TRANSITION_FADE_OUT_DURATION = 83; private final TaskbarActivityContext mActivity; private @Nullable TaskbarDragLayerController mDragLayerController; private @NonNull TaskbarView mTaskbarView; private @NonNull TaskbarUiState mTaskbarUiState; private final MultiValueAlpha mTaskbarIconAlpha; private final AnimatedFloat mTaskbarIconScaleForStash = new AnimatedFloat(this::updateScale); public final AnimatedFloat mTaskbarIconTranslationYForHome = new AnimatedFloat( this::updateTranslationY); private final AnimatedFloat mTaskbarIconTranslationYForStash = new AnimatedFloat( this::updateTranslationY); private final AnimatedFloat mTaskbarIconScaleForPinning = new AnimatedFloat( this::updateTaskbarIconsScale); private final AnimatedFloat mTaskbarIconTranslationXForPinning = new AnimatedFloat( () -> updateTaskbarIconTranslationXForPinning()); private final AnimatedFloat mIconsTranslationXForNavbar = new AnimatedFloat( this::updateTranslationXForNavBar); private final AnimatedFloat mTranslationXForBubbleBar = new AnimatedFloat( this::updateTranslationXForBubbleBar); private final TransitionEndBoundsChangedNotifier mTransitionEndBoundsChangedNotifier = new TransitionEndBoundsChangedNotifier(); @Nullable private Animator mTaskbarShiftXAnim; @Nullable private BubbleBarLocation mCurrentBubbleBarLocation; @Nullable private BubbleControllers mBubbleControllers = null; @Nullable private ObjectAnimator mTranslationXAnimation; private final AnimatedFloat mTaskbarIconTranslationYForPinning = new AnimatedFloat( this::updateTranslationY); private AnimatedFloat mTaskbarNavButtonTranslationY; private AnimatedFloat mTaskbarNavButtonTranslationYForInAppDisplay; private float mTaskbarIconTranslationYForSwipe; private float mTaskbarIconTranslationYForSpringOnStash; private int mTaskbarBottomMargin; private final int mStashedHandleHeight; private final TaskbarModelCallbacks mModelCallbacks; // Initialized in init. private TaskbarControllers mControllers; private final View.OnLayoutChangeListener mTaskbarViewLayoutChangeListener = (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> { if (enableTaskbarPinning() && mBubbleControllers != null) { mControllers.navbarButtonsViewController.onLayoutsUpdated(); adjustTaskbarXForBubbleBar(); } updateTaskbarIconsActualBounds(); }; // Animation to align icons with Launcher, created lazily. This allows the controller to be // active only during the animation and does not need to worry about layout changes. private AnimatorPlaybackController mIconAlignControllerLazy = null; private Runnable mOnControllerPreCreateCallback = NO_OP; // Stored here as signals to determine if the mIconAlignController needs to be recreated. private boolean mIsIconAlignedWithHotseat; private boolean mIsHotseatIconOnTopWhenAligned; private boolean mIsStashed; private final DeviceProfile.OnDeviceProfileChangeListener mDeviceProfileChangeListener = dp -> commitRunningAppsToUI(); private final boolean mIsRtl; private final TaskbarProfile mTransientTaskbarProfile; private final TaskbarProfile mPersistentTaskbarProfile; private final int mTransientIconSize; private final int mPersistentIconSize; private final float mTaskbarLeftRightMargin; private final TaskbarRunningAppStateAnimationController mRunningStateController; private final OverflownAppsContainerController mOverflownAppsContainerController; public TaskbarViewController( TaskbarActivityContext activity, TaskbarView taskbarView, @NonNull TaskbarUiState taskbarUiState) { mActivity = activity; mTransientTaskbarProfile = mActivity.getTransientTaskbarProfile(); mPersistentTaskbarProfile = mActivity.getPersistentTaskbarProfile(); mTransientIconSize = mTransientTaskbarProfile.getIconSize(); mPersistentIconSize = mPersistentTaskbarProfile.getIconSize(); mTaskbarView = taskbarView; mTaskbarUiState = taskbarUiState; mTaskbarIconAlpha = new MultiValueAlpha(mTaskbarView, NUM_ALPHA_CHANNELS); mTaskbarIconAlpha.setUpdateVisibility(true); mModelCallbacks = TaskbarModelCallbacksFactory.newInstance(mActivity) .create(mActivity, mTaskbarView); mTaskbarBottomMargin = activity.getDeviceProfile().getTaskbarProfile().getBottomMargin(); mStashedHandleHeight = activity.getResources() .getDimensionPixelSize(R.dimen.taskbar_stashed_handle_height); mIsRtl = Utilities.isRtl(mTaskbarView.getResources()); mTaskbarLeftRightMargin = mActivity.getResources().getDimensionPixelSize( R.dimen.transient_taskbar_padding); mRunningStateController = new TaskbarRunningAppStateAnimationController(mActivity); mOverflownAppsContainerController = new OverflownAppsContainerController(mActivity); } /** * Init of taskbar view controller. */ public void init(TaskbarControllers controllers, AnimatorSet startAnimation) { mControllers = controllers; controllers.bubbleControllers.ifPresent(bc -> mBubbleControllers = bc); if (startAnimation != null) { MultiPropertyFactory.MultiProperty multiProperty = mTaskbarIconAlpha.get(ALPHA_INDEX_RECREATE); multiProperty.setValue(0f); Animator iconAlphaAnimator = multiProperty.animateToValue(1f); iconAlphaAnimator.setInterpolator(EMPHASIZED); startAnimation.play(iconAlphaAnimator); if (mActivity.getTaskbarFeatureEvaluator().isPersistent()) { mTaskbarIconTranslationYForHome.value = (float) mActivity .getDeviceProfile() .getTaskbarProfile() .getHeight(); Animator iconYTranslationAnimator = mTaskbarIconTranslationYForHome.animateToValue(0); iconYTranslationAnimator.setInterpolator(EMPHASIZED); startAnimation.play(iconYTranslationAnimator); } } TaskbarViewCallbacks viewCallbacks = TaskbarViewCallbacksFactory.newInstance( mActivity).create(mActivity, mControllers, mTaskbarView); mTaskbarView.init(viewCallbacks); // Pinning popup feature availability depends on taskbar controllers, wait for the // controllers state initialization before evaluating the feature. mControllers.runAfterInit(mTaskbarView::updatePinningPopupEventHandlers); mTaskbarView.getLayoutParams().height = mActivity.isPhoneMode() ? mActivity.getResources().getDimensionPixelSize(R.dimen.taskbar_phone_size) : mActivity.getDeviceProfile().getTaskbarProfile().getHeight(); mOverflownAppsContainerController.init(viewCallbacks); mTaskbarIconScaleForStash.updateValue(1f); float pinningValue = mActivity.isTransientTaskbar() ? PINNING_TRANSIENT : PINNING_PERSISTENT; mTaskbarIconScaleForPinning.updateValue(pinningValue); mTaskbarIconTranslationYForPinning.updateValue(pinningValue); mTaskbarIconTranslationXForPinning.updateValue(pinningValue); mModelCallbacks.init(controllers); if (mActivity.isUserSetupComplete() && !(mActivity.getApplicationContext() instanceof SandboxContext)) { // Only load the callbacks if user setup is completed controllers.runAfterInit(() -> LauncherAppState.getInstance(mActivity).getModel() .addCallbacksAndLoad(mModelCallbacks)); } mTaskbarNavButtonTranslationY = controllers.navbarButtonsViewController.getTaskbarNavButtonTranslationY(); mTaskbarNavButtonTranslationYForInAppDisplay = controllers.navbarButtonsViewController .getTaskbarNavButtonTranslationYForInAppDisplay(); mDragLayerController = controllers.taskbarDragLayerController; mActivity.addOnDeviceProfileChangeListener(mDeviceProfileChangeListener); // This gets modified in NavbarButtonsViewController, but the initial value it reads // may be incorrect since it's state gets destroyed on taskbar recreate, so reset here mTaskbarIconAlpha.get(ALPHA_INDEX_SMALL_SCREEN).setValue(mActivity.isPhoneMode() ? 0 : 1); if (enableTaskbarPinning() || refactorTaskbarUiState()) { mTaskbarView.addOnLayoutChangeListener(mTaskbarViewLayoutChangeListener); } } /** * Called whenever a new ui controller is set. */ public void onUiControllerChanged() { // Pinning availability may depend on UI state when home has "locked" pinned taskbar. mTaskbarView.updatePinningPopupEventHandlers(); } /** Adjusts start aligned taskbar layout accordingly to the bubble bar position. */ @Override public void onBubbleBarLocationUpdated(BubbleBarLocation location) { updateCurrentBubbleBarLocation(location); if (mActivity.isTransientTaskbar()) { translateTaskbarXForBubbleBar(/* animate= */ false); } else if (mActivity.shouldStartAlignTaskbar()) { cancelTaskbarShiftAnimation(); // reset translation x, taskbar will position icons with the updated location mIconsTranslationXForNavbar.updateValue(0); mTaskbarView.onBubbleBarLocationUpdated(location); } } /** Animates start aligned taskbar accordingly to the bubble bar position. */ @Override public void onBubbleBarLocationAnimated(BubbleBarLocation location) { boolean locationUpdated = updateCurrentBubbleBarLocation(location); if (mActivity.isTransientTaskbar()) { translateTaskbarXForBubbleBar(/* animate= */ true); } else if (locationUpdated && mActivity.shouldStartAlignTaskbar()) { cancelTaskbarShiftAnimation(); float translationX = mTaskbarView.getTranslationXForBubbleBarPosition(location); mTaskbarShiftXAnim = createTaskbarIconsShiftAnimator(translationX); mTaskbarShiftXAnim.start(); } } private void translateTaskbarXForBubbleBar(boolean animate) { cancelCurrentTranslationXAnimation(); if (!mActivity.isTransientTaskbar()) return; int shiftX = getTransientTaskbarShiftXForBubbleBar(); if (animate) { mTranslationXAnimation = mTranslationXForBubbleBar.animateToValue(shiftX); mTranslationXAnimation.setInterpolator(EMPHASIZED); mTranslationXAnimation.setDuration(TRANSLATION_X_FOR_BUBBLEBAR_ANIM_DURATION_MS); mTranslationXAnimation.start(); } else { mTranslationXForBubbleBar.updateValue(shiftX); } } private void cancelCurrentTranslationXAnimation() { if (mTranslationXAnimation != null) { if (mTranslationXAnimation.isRunning()) { mTranslationXAnimation.cancel(); } mTranslationXAnimation = null; } } private int getTransientTaskbarShiftXForBubbleBar() { if (mBubbleControllers == null || !mActivity.isTransientTaskbar()) { return 0; } return mBubbleControllers.bubbleBarViewController .getTransientTaskbarTranslationXForBubbleBar(mCurrentBubbleBarLocation); } /** Updates the mCurrentBubbleBarLocation, returns {@code} true if location is updated. */ private boolean updateCurrentBubbleBarLocation(BubbleBarLocation location) { if (mCurrentBubbleBarLocation == location || location == null) { return false; } else { mCurrentBubbleBarLocation = location; return true; } } private void cancelTaskbarShiftAnimation() { if (mTaskbarShiftXAnim != null) { mTaskbarShiftXAnim.cancel(); } } /** * Called with destroying Taskbar with animation. */ public void onDestroyAnimation(AnimatorSet animatorSet) { animatorSet.play( mTaskbarIconAlpha.get(TaskbarViewController.ALPHA_INDEX_RECREATE).animateToValue( 0f)); } public void onDestroy() { if (enableTaskbarPinning() || refactorTaskbarUiState()) { mTaskbarView.removeOnLayoutChangeListener(mTaskbarViewLayoutChangeListener); } LauncherAppState.getInstance(mActivity).getModel().removeCallbacks(mModelCallbacks); mActivity.removeOnDeviceProfileChangeListener(mDeviceProfileChangeListener); mRunningStateController.onDestroy(); } /** * Gets the taskbar {@link View.Visibility visibility}. */ public int getTaskbarVisibility() { return mTaskbarView.getVisibility(); } public boolean areIconsVisible() { return mTaskbarView.areIconsVisible(); } public MultiPropertyFactory getTaskbarIconAlpha() { return mTaskbarIconAlpha; } /** Creates a ModelWriter for updating model properties */ public ModelWriter getModelWriter() { return LauncherAppState.getInstance(mActivity).getModel() .getWriter(false, mActivity.getCellPosMapper(), mModelCallbacks); } /** * Should be called when the recents button is disabled, so we can hide Taskbar icons as well. */ public void setRecentsButtonDisabled(boolean isDisabled) { // TODO: check TaskbarStashController#supportsStashing(), to stash instead of setting alpha. mTaskbarIconAlpha.get(ALPHA_INDEX_RECENTS_DISABLED).animateToValue(isDisabled ? 0 : 1) .start(); } /** * Sets OnClickListener and OnLongClickListener for the given view. */ public void setClickAndLongClickListenersForIcon(View icon) { mTaskbarView.setClickAndLongClickListenersForIcon(icon); } /** * Adds one time pre draw listener to the Taskbar view, it is called before * drawing a frame and invoked only once * @param listener callback that will be invoked before drawing the next frame */ public void addOneTimePreDrawListener(@NonNull Runnable listener) { OneShotPreDrawListener.add(mTaskbarView, listener); } @VisibleForTesting void limitMaxTaskbarIconsNum(int maxIconNumLimit) { mTaskbarView.limitMaxNumIconViewsForTest(maxIconNumLimit); if (mTaskbarView.updateMaxNumIcons()) { commitRunningAppsToUI(); } } @VisibleForTesting int getMaxNumIconViews() { return mTaskbarView.getMaxNumIconViews(); } public Rect getTransientTaskbarIconLayoutBounds() { return mTaskbarView.getTransientTaskbarIconLayoutBounds(); } public Rect getTransientTaskbarIconLayoutBoundsInParent() { return mTaskbarView.getTransientTaskbarIconLayoutBoundsInParent(); } public View[] getIconViews() { return mTaskbarView.getIconViews(); } public View getAllAppsButtonView() { return mTaskbarView.getAllAppsButtonContainer(); } public AnimatedFloat getTaskbarIconScaleForStash() { return mTaskbarIconScaleForStash; } public AnimatedFloat getTaskbarIconTranslationYForStash() { return mTaskbarIconTranslationYForStash; } public AnimatedFloat getTaskbarIconScaleForPinning() { return mTaskbarIconScaleForPinning; } public AnimatedFloat getTaskbarIconTranslationXForPinning() { return mTaskbarIconTranslationXForPinning; } public AnimatedFloat getTaskbarIconTranslationYForPinning() { return mTaskbarIconTranslationYForPinning; } /** * Applies scale properties for the entire TaskbarView (rather than individual icons). */ private void updateScale() { float scale = mTaskbarIconScaleForStash.value; mTaskbarView.setScaleX(scale); mTaskbarView.setScaleY(scale); } /** * Applies scale properties for the taskbar icons */ private void updateTaskbarIconsScale() { float scale = mTaskbarIconScaleForPinning.value; View[] iconViews = mTaskbarView.getIconViews(); float finalScale; TaskbarSharedState sharedState = mControllers.getSharedState(); if (sharedState != null && sharedState.startTaskbarVariantIsTransient) { finalScale = mapRange(scale, 1f, ((float) mPersistentIconSize / mTransientIconSize)); } else { finalScale = mapRange(scale, ((float) mTransientIconSize / mPersistentIconSize), 1f); } for (int iconIndex = 0; iconIndex < iconViews.length; iconIndex++) { iconViews[iconIndex].setScaleX(finalScale); iconViews[iconIndex].setScaleY(finalScale); } } /** * Animate away taskbar icon notification dots during the taskbar pinning animation. */ public void animateAwayNotificationDotsDuringTaskbarPinningAnimation() { for (View iconView : mTaskbarView.getIconViews()) { if (iconView instanceof BubbleTextView && ((BubbleTextView) iconView).hasDot()) { ((BubbleTextView) iconView).animateDotScale(0); } } } void updateTaskbarIconTranslationXForPinning() { updateTaskbarIconTranslationXForPinning(/* updateShiftXForBubbleBar = */ true); } void updateTaskbarIconTranslationXForPinning(boolean updateShiftXForBubbleBar) { View[] iconViews = mTaskbarView.getIconViews(); float scale = mTaskbarIconTranslationXForPinning.value; float transientTaskbarAllAppsOffset = mActivity.getResources().getDimension( mTaskbarView.getAllAppsButtonContainer().getAllAppsButtonTranslationXOffset(true)); float persistentTaskbarAllAppsOffset = mActivity.getResources().getDimension( mTaskbarView.getAllAppsButtonContainer().getAllAppsButtonTranslationXOffset(false)); if (mBubbleControllers != null && updateShiftXForBubbleBar) { cancelCurrentTranslationXAnimation(); int translationXForTransientTaskbar = mBubbleControllers.bubbleBarViewController .getTransientTaskbarTranslationXForBubbleBar(mCurrentBubbleBarLocation); float currentTranslationXForTransientTaskbar = mapRange(scale, translationXForTransientTaskbar, 0); mTranslationXForBubbleBar.updateValue(currentTranslationXForTransientTaskbar); } float allAppIconTranslateRange = mapRange(scale, transientTaskbarAllAppsOffset, persistentTaskbarAllAppsOffset); // Task icons are laid out so the taskbar content is centered. The taskbar width (used for // centering taskbar icons) depends on the all apps button X translation, and is different // for persistent and transient taskbar. If the offset used for current taskbar layout is // different than the offset used in final taskbar state, the icons may jump when the // animation completes, and the taskbar is replaced. Adjust item transform to account for // this mismatch. float sizeDiffTranslationRange = mapRange(scale, (mTaskbarView.getAllAppsButtonTranslationXOffsetUsedForLayout() - transientTaskbarAllAppsOffset) / 2, (mTaskbarView.getAllAppsButtonTranslationXOffsetUsedForLayout() - persistentTaskbarAllAppsOffset) / 2); // no x translation required when all apps button is the only icon in taskbar. if (iconViews.length <= 1) { allAppIconTranslateRange = 0f; } if (mIsRtl) { allAppIconTranslateRange *= -1; sizeDiffTranslationRange *= -1; } if (!mTaskbarView.canTransitionToTransientTaskbar()) { mTaskbarView.getAllAppsButtonContainer() .setTranslationXForTaskbarAllAppsIcon(allAppIconTranslateRange); return; } float finalMarginScale = mapRange(scale, 0f, mTransientIconSize - mPersistentIconSize); // The index of the "middle" icon which will be used as a index from which the icon margins // will be scaled. If number of icons is even, using the middle point between indices of two // central icons. float middleIndex = (iconViews.length - 1) / 2.0f; for (int iconIndex = 0; iconIndex < iconViews.length; iconIndex++) { View iconView = iconViews[iconIndex]; MultiTranslateDelegate translateDelegate = ((Reorderable) iconView).getTranslateDelegate(); translateDelegate.getTranslationX(INDEX_TASKBAR_PINNING_ANIM).setValue( finalMarginScale * (middleIndex - iconIndex) + sizeDiffTranslationRange); if (iconView.equals(mTaskbarView.getAllAppsButtonContainer())) { mTaskbarView.getAllAppsButtonContainer().setTranslationXForTaskbarAllAppsIcon( allAppIconTranslateRange); } } } /** * Calculates visual taskbar view width. */ public float getCurrentVisualTaskbarWidth() { View[] iconViews = mTaskbarView.getIconViews(); if (iconViews.length == 0) { return 0; } float left = iconViews[0].getX(); int rightIndex = iconViews.length - 1; float right = iconViews[rightIndex].getRight() + iconViews[rightIndex].getTranslationX(); return right - left + (2 * mTaskbarLeftRightMargin); } /** * Sets the translation of the TaskbarView during the swipe up gesture. */ public void setTranslationYForSwipe(float transY) { mTaskbarIconTranslationYForSwipe = transY; updateTranslationY(); } /** * Sets the translation of the TaskbarView during the spring on stash animation. */ public void setTranslationYForStash(float transY) { mTaskbarIconTranslationYForSpringOnStash = transY; updateTranslationY(); } private void updateTranslationY() { final float oldTranslationY = mTaskbarView.getTranslationY(); final float newTranslationY = mTaskbarIconTranslationYForHome.value + mTaskbarIconTranslationYForStash.value + mTaskbarIconTranslationYForSwipe + getTaskbarIconTranslationYForPinningValue() + mTaskbarIconTranslationYForSpringOnStash; if (newTranslationY != oldTranslationY) { mTaskbarView.setTranslationY(newTranslationY); // Updating mTaskbarView's translationY will not trigger layout pass but it will change // taskbar icons' bounds on screen, thus we need to update taskbar icons bounds here. if (mTaskbarView.isShown()) { updateTaskbarIconsActualBounds(); } } } private void updateTaskbarIconsActualBounds() { if (refactorTaskbarUiState()) { mTaskbarUiState.setTaskbarIconsActualBounds( mTaskbarView.getTaskbarIconsActualBounds()); } } private void updateTranslationXForNavBar() { updateIconViewsTranslationX(INDEX_NAV_BAR_ANIM, mIconsTranslationXForNavbar.value); } private void updateTranslationXForBubbleBar() { float translationX = mTranslationXForBubbleBar.value; updateIconViewsTranslationX(INDEX_BUBBLE_BAR_ANIM, translationX); if (mDragLayerController != null) { mDragLayerController.setTranslationXForBubbleBar(translationX); } } private void updateIconViewsTranslationX(int translationXChannel, float translationX) { View[] iconViews = mTaskbarView.getIconViews(); for (View iconView : iconViews) { MultiTranslateDelegate translateDelegate = ((Reorderable) iconView).getTranslateDelegate(); translateDelegate.getTranslationX(translationXChannel).setValue(translationX); } } /** * Computes translation y for taskbar pinning. */ private float getTaskbarIconTranslationYForPinningValue() { if (mControllers.getSharedState() == null) return 0f; float scale = mTaskbarIconTranslationYForPinning.value; float taskbarIconTranslationYForPinningValue; // transY is calculated here by adding/subtracting the taskbar bottom margin // aligning the icon bound to be at bottom of current taskbar view and then // finally placing the icon in the middle of new taskbar background height. if (mControllers.getSharedState().startTaskbarVariantIsTransient) { float transY = mTransientTaskbarProfile.getBottomMargin() + (mTransientTaskbarProfile.getHeight() - mTaskbarView.getTransientTaskbarIconLayoutBounds().bottom) - (mPersistentTaskbarProfile.getHeight() - mTransientTaskbarProfile.getIconSize()) / 2f; taskbarIconTranslationYForPinningValue = mapRange(scale, 0f, transY); } else { float transY = -mTransientTaskbarProfile.getBottomMargin() + (mPersistentTaskbarProfile.getHeight() - mTaskbarView.getTransientTaskbarIconLayoutBounds().bottom) - (mTransientTaskbarProfile.getHeight() - mTransientTaskbarProfile.getIconSize()) / 2f; taskbarIconTranslationYForPinningValue = mapRange(scale, transY, 0f); } return taskbarIconTranslationYForPinningValue; } private ValueAnimator createRevealAnimForView(View view, boolean isStashed, float newWidth, boolean isQsb, boolean dispatchOnAnimationStart) { Rect viewBounds = new Rect(0, 0, view.getWidth(), view.getHeight()); int centerY = viewBounds.centerY(); int halfHandleHeight = mStashedHandleHeight / 2; final int top = centerY - halfHandleHeight; final int bottom = centerY + halfHandleHeight; final int left; final int right; // QSB will crop from the 'start' whereas all other icons will crop from the center. if (isQsb) { if (mIsRtl) { right = viewBounds.right; left = (int) (right - newWidth); } else { left = viewBounds.left; right = (int) (left + newWidth); } } else { int widthDelta = (int) ((viewBounds.width() - newWidth) / 2); left = viewBounds.left + widthDelta; right = viewBounds.right - widthDelta; } Rect stashedRect = new Rect(left, top, right, bottom); // QSB radius can be > 0 since it does not have any UI elements outside of it bounds. float radius = isQsb ? viewBounds.height() / 2f : 0f; float stashedRadius = stashedRect.height() / 2f; ValueAnimator reveal = new RoundedRectRevealOutlineProvider(radius, stashedRadius, viewBounds, stashedRect) .createRevealAnimator(view, !isStashed, 0); // SUW animation does not dispatch animation start until *after* the animation is complete. // In order to work properly, the reveal animation start needs to be called immediately. if (dispatchOnAnimationStart) { for (Animator.AnimatorListener listener : reveal.getListeners()) { listener.onAnimationStart(reveal); } } return reveal; } public View getTaskbarDividerView() { return mTaskbarView.getTaskbarDividerViewContainer(); } /** * Updates which icons are marked as running or minimized given the Sets of currently running * and minimized tasks. */ public void updateIconViewsRunningStates() { for (View iconView : getIconViews()) { if (iconView instanceof BubbleTextView btv) { updateRunningState(btv); if (shouldUpdateIconContentDescription(btv)) { btv.setContentDescription( btv.getContentDescription() + " " + btv.getIconStateDescription()); } } } } private boolean shouldUpdateIconContentDescription(BubbleTextView btv) { boolean isInDesktopMode = mControllers.taskbarDesktopModeController.shouldShowDesktopTasksInTaskbar( DEFAULT_DISPLAY); boolean isAllAppsButton = btv instanceof TaskbarAllAppsButtonContainer; boolean isDividerButton = btv instanceof TaskbarDividerContainer; return isInDesktopMode && !isAllAppsButton && !isDividerButton; } /** * @return A set of Task ids shown in the taskbar - includes task ID for running tasks of pinned * apps, and standalone running tasks. */ protected Set getShownTaskIds() { if (!ENABLE_TASKBAR_OVERFLOW.isTrue()) { return Collections.emptySet(); } Set shownTasks = new HashSet<>(); for (View iconView : getIconViews()) { if (iconView instanceof BubbleTextView btv) { if (btv.getTag() instanceof TaskItemInfo itemInfo) { shownTasks.add(itemInfo.getTaskId()); } else if (btv.getTag() instanceof SingleTask task) { shownTasks.add(task.getTask().getKey().id); } } } return shownTasks; } private void updateRunningState(BubbleTextView btv) { mRunningStateController.updateRunningState( btv, getRunningAppState(btv), /* animate = */ mTaskbarView.getLayoutTransition() != null); } private BubbleTextView.RunningAppState getRunningAppState(BubbleTextView btv) { Object tag = btv.getTag(); if (tag instanceof TaskItemInfo itemInfo) { return mControllers.taskbarRecentAppsController.getRunningAppState( itemInfo.getTaskId()); } if (tag instanceof SingleTask singleTask) { return mControllers.taskbarRecentAppsController.getRunningAppState( singleTask.getTask().key.id); } return BubbleTextView.RunningAppState.NOT_RUNNING; } /** * Defers any updates to the UI for the setup wizard animation. */ public void setDeferUpdatesForSUW(boolean defer) { mModelCallbacks.setDeferUpdatesForSUW(defer); } /** * Creates and returns a {@link RevealOutlineAnimation} Animator that updates the icon shape * and size. * @param as The AnimatorSet to add all animations to. * @param isStashed When true, the icon crops vertically to the size of the stashed handle. * When false, the reverse happens. * @param duration The duration of the animation. * @param interpolator The interpolator to use for all animations. */ public void addRevealAnimToIsStashed(AnimatorSet as, boolean isStashed, long duration, Interpolator interpolator, boolean dispatchOnAnimationStart) { AnimatorSet reveal = new AnimatorSet(); Rect stashedBounds = new Rect(); mControllers.stashedHandleViewController.getStashedHandleBounds(stashedBounds); int totalNumIcons = mTaskbarView.getTotalNumberOfIcons(); animateIconsForReveal(mTaskbarView, reveal, as, isStashed, totalNumIcons, duration, stashedBounds, dispatchOnAnimationStart); reveal.setInterpolator(interpolator); as.play(reveal); } private void animateIconsForReveal(ViewGroup parent, AnimatorSet reveal, AnimatorSet as, boolean isStashed, int totalNumIcons, long duration, Rect stashedBounds, boolean dispatchOnAnimationStart) { float newChildWidth = stashedBounds.width() / (float) totalNumIcons; // All children move the same y-amount since they will be cropped to the same centerY. float croppedTransY = mTaskbarView.getIconTouchSize() - stashedBounds.height(); for (int i = parent.getChildCount() - 1; i >= 0; i--) { View child = parent.getChildAt(i); boolean isQsb = child == mTaskbarView.getQsb(); if (child instanceof TaskbarIconsContainer tic) { animateIconsForReveal(tic, reveal, as, isStashed, totalNumIcons, duration, stashedBounds, dispatchOnAnimationStart); continue; } // Crop the icons to/from the nav handle shape. reveal.play(createRevealAnimForView(child, isStashed, newChildWidth, isQsb, dispatchOnAnimationStart).setDuration(duration)); // Translate the icons to/from their locations as the "nav handle." // All of the Taskbar icons will overlap the entirety of the stashed handle // And the QSB, if inline, will overlap part of stashed handle as well. float currentPosition = isQsb ? child.getX() + parent.getX() : child.getLeft() + parent.getLeft(); float newPosition = stashedBounds.left + (newChildWidth * i); final float croppedTransX; // We look at 'left' and 'right' values to ensure that the children stay within the // bounds of the stashed handle since the new width only occurs at the end of the anim. if (currentPosition > newPosition) { int iconNumber = totalNumIcons - 1 - i - ((ViewGroup) parent.getParent()).indexOfChild(parent); float newRight = stashedBounds.right - (newChildWidth * iconNumber); croppedTransX = -(currentPosition + child.getWidth() - newRight); } else { croppedTransX = newPosition - currentPosition; } float[] transX = isStashed ? new float[] {croppedTransX} : new float[] {croppedTransX, 0}; float[] transY = isStashed ? new float[] {croppedTransY} : new float[] {croppedTransY, 0}; if (child instanceof Reorderable) { MultiTranslateDelegate mtd = ((Reorderable) child).getTranslateDelegate(); reveal.play(ObjectAnimator.ofFloat(mtd.getTranslationX(INDEX_TASKBAR_REVEAL_ANIM), MULTI_PROPERTY_VALUE, transX) .setDuration(duration)); reveal.play(ObjectAnimator.ofFloat(mtd.getTranslationY(INDEX_TASKBAR_REVEAL_ANIM), MULTI_PROPERTY_VALUE, transY)); as.addListener(forEndCallback(() -> mtd.setTranslation(INDEX_TASKBAR_REVEAL_ANIM, 0, 0))); } else { reveal.play(ObjectAnimator.ofFloat(child, VIEW_TRANSLATE_X, transX) .setDuration(duration)); reveal.play(ObjectAnimator.ofFloat(child, VIEW_TRANSLATE_Y, transY)); as.addListener(forEndCallback(() -> { child.setTranslationX(0); child.setTranslationY(0); })); } } } void notifyIconLayoutBoundsChanged() { if (isTaskbarAppTransitionRunning()) { // Defers notify until after transitions finish. mTransitionEndBoundsChangedNotifier.mIsCanceled = false; } else { mControllers.uiController.onIconLayoutBoundsChanged(); } } /** * Sets the Taskbar icon alignment relative to Launcher hotseat icons * @param alignmentRatio [0, 1] * 0 => not aligned * 1 => fully aligned */ public void setLauncherIconAlignment(float alignmentRatio, DeviceProfile launcherDp) { if (mActivity.isPhoneMode()) { mIconAlignControllerLazy = null; return; } boolean isHotseatIconOnTopWhenAligned = mControllers.uiController.isHotseatIconOnTopWhenAligned(); boolean isIconAlignedWithHotseat = mControllers.uiController.isIconAlignedWithHotseat(); boolean isStashed = mControllers.taskbarStashController.isStashed(); // Re-create animation when any of these values change. if (mIconAlignControllerLazy == null || mIsHotseatIconOnTopWhenAligned != isHotseatIconOnTopWhenAligned || mIsIconAlignedWithHotseat != isIconAlignedWithHotseat || mIsStashed != isStashed) { mIsHotseatIconOnTopWhenAligned = isHotseatIconOnTopWhenAligned; mIsIconAlignedWithHotseat = isIconAlignedWithHotseat; mIsStashed = isStashed; if (isTaskbarAppTransitionRunning()) { mTransitionEndBoundsChangedNotifier.mIsCanceled = true; mTaskbarView.getLayoutTransition().cancel(); } mIconAlignControllerLazy = createIconAlignmentController(launcherDp); } mIconAlignControllerLazy.setPlayFraction(alignmentRatio); if (alignmentRatio <= 0 || alignmentRatio >= 1) { // Cleanup lazy controller so that it is created again in next animation mIconAlignControllerLazy = null; } } /** * Resets the icon alignment controller so that it can be recreated again later, and updates * the list of icons shown in the taskbar if the bubble bar visibility changes the taskbar * overflow state. */ void adjustTaskbarForBubbleBar() { mIconAlignControllerLazy = null; if (mTaskbarView.updateMaxNumIcons()) { commitRunningAppsToUI(); } adjustTaskbarXForBubbleBar(); } private void adjustTaskbarXForBubbleBar() { if (mBubbleControllers != null && mActivity.isTransientTaskbar()) { translateTaskbarXForBubbleBar(/* animate= */ true); } } /** * Creates an animation for aligning the Taskbar icons with the provided Launcher device profile */ private AnimatorPlaybackController createIconAlignmentController(DeviceProfile launcherDp) { PendingAnimation setter = new PendingAnimation(100); // icon alignment not needed for pinned taskbar. if (mActivity.getTaskbarFeatureEvaluator().isPersistent()) { return setter.createPlaybackController(); } mOnControllerPreCreateCallback.run(); DeviceProfile taskbarDp = mActivity.getDeviceProfile(); boolean isTransientTaskbar = mActivity.isTransientTaskbar(); boolean isDeviceLocked = mControllers.taskbarStashController.isDeviceLocked(); // If Hotseat is not the top element, Taskbar should maintain in-app state as it fades out, // or fade in while already in in-app state. Interpolator interpolator = mIsHotseatIconOnTopWhenAligned ? LINEAR : FINAL_FRAME; int offsetY = isDeviceLocked ? taskbarDp.getTaskbarOffsetY() : launcherDp.getTaskbarOffsetY(); setter.setFloat(mTaskbarIconTranslationYForHome, VALUE, -offsetY, interpolator); setter.setFloat(mTaskbarNavButtonTranslationY, VALUE, -offsetY, interpolator); setter.setFloat(mTaskbarNavButtonTranslationYForInAppDisplay, VALUE, offsetY, interpolator); if (mBubbleControllers != null && mCurrentBubbleBarLocation != null && mActivity.isTransientTaskbar()) { int offsetX = mBubbleControllers.bubbleBarViewController .getTransientTaskbarTranslationXForBubbleBar(mCurrentBubbleBarLocation); if (offsetX != 0) { // if taskbar should be adjusted for the bubble bar adjust the taskbar translation mTranslationXForBubbleBar.updateValue(offsetX); setter.setFloat(mTranslationXForBubbleBar, VALUE, 0, interpolator); } } int collapsedHeight = mActivity.getDefaultTaskbarWindowSize(); int expandedHeight = Math.max(collapsedHeight, taskbarDp.getTaskbarProfile().getHeight() + offsetY); setter.addOnFrameListener(anim -> mActivity.setTaskbarWindowSize( anim.getAnimatedFraction() > 0 ? expandedHeight : collapsedHeight)); mTaskbarBottomMargin = isTransientTaskbar ? mTransientTaskbarProfile.getBottomMargin() : mPersistentTaskbarProfile.getBottomMargin(); int hotseatNavBarTranslationX = 0; if (mCurrentBubbleBarLocation != null) { boolean isBubblesOnLeft = mCurrentBubbleBarLocation .isOnLeft(mTaskbarView.isLayoutRtl()); hotseatNavBarTranslationX = taskbarDp .getHotseatTranslationXForNavBar(mActivity, isBubblesOnLeft); } animateChildViews(mTaskbarView, setter, launcherDp, taskbarDp, hotseatNavBarTranslationX, interpolator); AnimatorPlaybackController controller = setter.createPlaybackController(); mOnControllerPreCreateCallback = () -> controller.setPlayFraction(0); return controller; } private void animateChildViews(ViewGroup parent, PendingAnimation setter, DeviceProfile launcherDp, DeviceProfile taskbarDp, int hotseatNavBarTranslationX, Interpolator interpolator) { boolean isToHome = mControllers.uiController.isIconAlignedWithHotseat(); float scaleUp = ((float) launcherDp.getWorkspaceIconProfile().getIconSizePx()) / taskbarDp.getTaskbarProfile().getIconSize(); int borderSpacing = launcherDp.hotseatBorderSpace; Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(mActivity); int hotseatCellSize = DeviceProfile.calculateCellWidth( launcherDp.getDeviceProperties().getAvailableWidthPx() - hotseatPadding.left - hotseatPadding.right, borderSpacing, launcherDp.numShownHotseatIcons); for (int i = 0; i < parent.getChildCount(); i++) { View child = parent.getChildAt(i); boolean isAllAppsButton = child == mTaskbarView.getAllAppsButtonContainer(); boolean isTaskbarDividerView = child == mTaskbarView.getTaskbarDividerViewContainer(); boolean isTaskbarOverflowView = child == mTaskbarView.getTaskbarRecentsOverflowView(); boolean isRecentTask = child.getTag() instanceof GroupTask; // TODO(b/343522351): show recents on the home screen. final boolean isRecentsInHotseat = false; if (child instanceof TaskbarIconsContainer tic) { animateChildViews(tic, setter, launcherDp, taskbarDp, hotseatNavBarTranslationX, interpolator); continue; } if (!mIsHotseatIconOnTopWhenAligned) { // When going to home, the EMPHASIZED interpolator in TaskbarLauncherStateController // plays iconAlignment to 1 really fast, therefore moving the fading towards the end // to avoid icons disappearing rather than fading out visually. setter.setViewAlpha(child, 0, Interpolators.clampToProgress(LINEAR, 0.8f, 1f)); } else if ((isAllAppsButton && !FeatureFlags.enableAllAppsButtonInHotseat()) || (isTaskbarDividerView && enableTaskbarPinning()) || (isRecentTask && !isRecentsInHotseat) || isTaskbarOverflowView) { if (!isToHome && mIsHotseatIconOnTopWhenAligned && mIsStashed) { // Prevent All Apps icon from appearing when going from hotseat to nav handle. setter.setViewAlpha(child, 0, Interpolators.clampToProgress(LINEAR, 0f, 0f)); } else { // Tighten clamp so that these icons do not linger as the spring settles. setter.setViewAlpha(child, 0, isToHome ? Interpolators.clampToProgress(LINEAR, 0f, 0.07f) : Interpolators.clampToProgress(LINEAR, 0.93f, 1f)); } } if (child == mTaskbarView.getQsb()) { boolean isRtl = Utilities.isRtl(child.getResources()); float hotseatIconCenter = isRtl ? launcherDp.getDeviceProperties().getWidthPx() - hotseatPadding.right + borderSpacing + launcherDp.hotseatQsbWidth / 2f : hotseatPadding.left - borderSpacing - launcherDp.hotseatQsbWidth / 2f; if (taskbarDp.isQsbInline) { hotseatIconCenter += hotseatNavBarTranslationX; } float childCenter = (child.getLeft() + child.getRight()) / 2f; if (child instanceof Reorderable reorderableChild) { childCenter += reorderableChild.getTranslateDelegate().getTranslationX( INDEX_TASKBAR_PINNING_ANIM).getValue(); } float halfQsbIconWidthDiff = (launcherDp.hotseatQsbWidth - taskbarDp.getTaskbarProfile().getIconSize()) / 2f; float scale = ((float) taskbarDp.getTaskbarProfile().getIconSize()) / launcherDp.getHotseatProfile().getQsbVisualHeight(); setter.addFloat(child, SCALE_PROPERTY, scale, 1f, interpolator); float fromX = isRtl ? -halfQsbIconWidthDiff : halfQsbIconWidthDiff; float toX = hotseatIconCenter - childCenter; if (child instanceof Reorderable reorderableChild) { MultiTranslateDelegate mtd = reorderableChild.getTranslateDelegate(); setter.addFloat(mtd.getTranslationX(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, fromX, toX, interpolator); setter.setFloat(mtd.getTranslationY(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, mTaskbarBottomMargin, interpolator); } else { setter.addFloat(child, VIEW_TRANSLATE_X, fromX, toX, interpolator); setter.setFloat(child, VIEW_TRANSLATE_Y, mTaskbarBottomMargin, interpolator); } if (mIsHotseatIconOnTopWhenAligned) { setter.addFloat(child, VIEW_ALPHA, 0f, 1f, isToHome ? Interpolators.clampToProgress(LINEAR, 0f, 0.35f) : mActivity.getDeviceProfile().isQsbInline ? Interpolators.clampToProgress(LINEAR, 0f, 1f) : Interpolators.clampToProgress(LINEAR, 0.84f, 1f)); } setter.addOnFrameListener(animator -> AlphaUpdateListener.updateVisibility(child)); continue; } int firstRecentTaskIndex = -1; int recentTaskIndex = -1; if (isRecentTask) { if (firstRecentTaskIndex < 0) { firstRecentTaskIndex = i; } recentTaskIndex = i - firstRecentTaskIndex; } float positionInHotseat = getPositionInHotseat(taskbarDp.numShownHotseatIcons, child, mIsRtl, isAllAppsButton, isTaskbarDividerView, mTaskbarView.isDividerForRecents(), recentTaskIndex); if (positionInHotseat == ERROR_POSITION_IN_HOTSEAT_NOT_FOUND) continue; float hotseatIconCenter; if (launcherDp.shouldAdjustHotseatForBubbleBar(child.getContext(), bubbleBarHasBubbles())) { float hotseatAdjustedBorderSpace = launcherDp.getHotseatAdjustedBorderSpaceForBubbleBar(child.getContext()); hotseatIconCenter = hotseatPadding.left + hotseatCellSize + (hotseatCellSize + hotseatAdjustedBorderSpace) * positionInHotseat + hotseatCellSize / 2f; } else { hotseatIconCenter = hotseatPadding.left + (hotseatCellSize + borderSpacing) * positionInHotseat + hotseatCellSize / 2f; } hotseatIconCenter += hotseatNavBarTranslationX; float childCenter = (child.getLeft() + child.getRight()) / 2f; if (parent instanceof TaskbarIconsContainer tic) { childCenter += tic.getLeft(); } childCenter += ((Reorderable) child).getTranslateDelegate().getTranslationX( INDEX_TASKBAR_PINNING_ANIM).getValue(); float toX = hotseatIconCenter - childCenter; if (child instanceof Reorderable) { MultiTranslateDelegate mtd = ((Reorderable) child).getTranslateDelegate(); setter.setFloat(mtd.getTranslationX(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, toX, interpolator); setter.setFloat(mtd.getTranslationY(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, mTaskbarBottomMargin, interpolator); } else { setter.setFloat(child, VIEW_TRANSLATE_X, toX, interpolator); setter.setFloat(child, VIEW_TRANSLATE_Y, mTaskbarBottomMargin, interpolator); } setter.setFloat(child, SCALE_PROPERTY, scaleUp, interpolator); } } /** * Returns the index of the given child relative to its position in hotseat. * Examples: * -1 is the item before the first hotseat item. * -0.5 is between those (e.g. for the divider). * {@link #ERROR_POSITION_IN_HOTSEAT_NOT_FOUND} if there's no calculation relative to hotseat. */ @VisibleForTesting float getPositionInHotseat(int numShownHotseatIcons, View child, boolean isRtl, boolean isAllAppsButton, boolean isTaskbarDividerView, boolean isDividerForRecents, int recentTaskIndex) { float positionInHotseat; // Note that there is no All Apps button in the hotseat, // this position is only used as it's convenient for animation purposes. float allAppsButtonPositionInHotseat = isRtl // Right after all hotseat items. // [HHHHHH]|[>A<] ? numShownHotseatIcons // Right before all hotseat items. // [>A<]|[HHHHHH] : -1; // Note that there are no recent tasks in the hotseat, // this position is only used as it's convenient for animation purposes. float firstRecentTaskPositionInHotseat = isRtl // After all hotseat icons and All Apps button. // [HHHHHH][A]|[>RR 0 ? relativePosition - DIVIDER_VIEW_POSITION_OFFSET : relativePosition + DIVIDER_VIEW_POSITION_OFFSET; } else if (child.getTag() instanceof ItemInfo) { positionInHotseat = ((ItemInfo) child.getTag()).screenId; } else if (recentTaskIndex >= 0) { positionInHotseat = firstRecentTaskPositionInHotseat + recentTaskIndex; } else { Log.w(TAG, "Unsupported view found in createIconAlignmentController, v=" + child); return ERROR_POSITION_IN_HOTSEAT_NOT_FOUND; } return positionInHotseat; } private boolean bubbleBarHasBubbles() { return mBubbleControllers != null && mBubbleControllers.bubbleBarViewController.hasBubbles(); } public void onRotationChanged(DeviceProfile deviceProfile) { if (!mControllers.uiController.isIconAlignedWithHotseat()) { // We only translate on rotation when icon is aligned with hotseat return; } int taskbarWindowSize; if (mActivity.isPhoneMode()) { taskbarWindowSize = mActivity.getResources().getDimensionPixelSize( mActivity.isThreeButtonNav() ? R.dimen.taskbar_phone_size : R.dimen.taskbar_stashed_size); } else { taskbarWindowSize = mActivity.getDefaultTaskbarWindowSize(); } if (mBubbleControllers != null) { int bubbleBarMaxHeight = mBubbleControllers.bubbleBarViewController .getBubbleBarWithFlyoutMaximumHeight(); taskbarWindowSize = Math.max(taskbarWindowSize, bubbleBarMaxHeight); } mActivity.setTaskbarWindowSize(taskbarWindowSize); mTaskbarNavButtonTranslationY.updateValue(-deviceProfile.getTaskbarOffsetY()); } public LauncherBindableItemsContainer getContent() { return mModelCallbacks; } /** * Returns the first icon to match the given parameter, in priority from: * 1) Icons directly on Taskbar * 2) FolderIcon of the Folder containing the given icon * 3) All Apps button */ public View getFirstIconMatch(Predicate matcher) { View icon = mModelCallbacks.getFirstMatch(matcher, ItemInfoMatcher.forFolderMatch(matcher)); return icon != null ? icon : mTaskbarView.getAllAppsButtonContainer(); } /** * Returns whether the given MotionEvent, *in screen coorindates*, is within any Taskbar item's * touch bounds. */ public boolean isEventOverAnyItem(MotionEvent ev) { return mTaskbarView.isEventOverAnyItem(ev); } /** Called when there's a change in running apps to update the UI. */ public void commitRunningAppsToUI() { mModelCallbacks.commitRunningAppsToUI(); if (!mActivity.isTransientTaskbar() && mTaskbarView.getLayoutTransition() == null) { // Set up after the first commit so that the initial recents do not animate (janky). mTaskbarView.setLayoutTransition(createLayoutTransitionForRunningApps()); } } /** Called when there's a change in handoff suggestions to update the UI. */ public void commitHandoffSuggestionsToUI() { if (!android.companion.Flags.enableTaskContinuity()) { return; } mModelCallbacks.commitHandoffSuggestionsToUI(); } private LayoutTransition createLayoutTransitionForRunningApps() { LayoutTransition layoutTransition = new LayoutTransition(); layoutTransition.setDuration(TRANSITION_DEFAULT_DURATION); layoutTransition.addTransitionListener(new TransitionListener() { @Override public void startTransition( LayoutTransition transition, ViewGroup container, View view, int type) { if (type == APPEARING) { view.setAlpha(0f); view.setScaleX(0f); view.setScaleY(0f); } else if (type == DISAPPEARING && view instanceof BubbleTextView btv) { // Running state updates happen after removing this view, so update it here. updateRunningState(btv); } } @Override public void endTransition( LayoutTransition transition, ViewGroup container, View view, int type) { // Do nothing. } }); layoutTransition.addTransitionListener(mTransitionEndBoundsChangedNotifier); // Appearing. AnimatorSet appearingSet = new AnimatorSet(); Animator appearingAlphaAnimator = ObjectAnimator.ofFloat(null, "alpha", 0f, 1f); appearingAlphaAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, 0f, (float) TRANSITION_FADE_IN_DURATION / TRANSITION_DEFAULT_DURATION)); Animator appearingScaleAnimator = ObjectAnimator.ofFloat(null, SCALE_PROPERTY, 0f, 1f); appearingScaleAnimator.setInterpolator(EMPHASIZED); appearingSet.playTogether(appearingAlphaAnimator, appearingScaleAnimator); layoutTransition.setAnimator(APPEARING, appearingSet); layoutTransition.setStartDelay(APPEARING, TRANSITION_DELAY); // Disappearing. AnimatorSet disappearingSet = new AnimatorSet(); Animator disappearingAlphaAnimator = ObjectAnimator.ofFloat(null, "alpha", 1f, 0f); disappearingAlphaAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, (float) TRANSITION_DELAY / TRANSITION_DEFAULT_DURATION, (float) (TRANSITION_DELAY + TRANSITION_FADE_OUT_DURATION) / TRANSITION_DEFAULT_DURATION)); Animator disappearingScaleAnimator = ObjectAnimator.ofFloat(null, SCALE_PROPERTY, 1f, 0f); disappearingScaleAnimator.setInterpolator(EMPHASIZED); disappearingSet.playTogether(disappearingAlphaAnimator, disappearingScaleAnimator); layoutTransition.setAnimator(DISAPPEARING, disappearingSet); // Change transitions. FloatProperty translateXPinning = new FloatProperty<>("translateXPinning") { @Override public void setValue(View view, float value) { getTranslationXForPinning(view).setValue(value); } @Override public Float get(View view) { return getTranslationXForPinning(view).getValue(); } private MultiProperty getTranslationXForPinning(View view) { return ((Reorderable) view).getTranslateDelegate() .getTranslationX(INDEX_TASKBAR_PINNING_ANIM); } }; AnimatorSet changeSet = new AnimatorSet(); changeSet.playTogether( layoutTransition.getAnimator(CHANGE_APPEARING), ObjectAnimator.ofFloat(null, translateXPinning, 0f, 1f)); // Change appearing. layoutTransition.setAnimator(CHANGE_APPEARING, changeSet); layoutTransition.setInterpolator(CHANGE_APPEARING, EMPHASIZED); // Change disappearing. layoutTransition.setAnimator(CHANGE_DISAPPEARING, changeSet); layoutTransition.setInterpolator(CHANGE_DISAPPEARING, EMPHASIZED); layoutTransition.setStartDelay(CHANGE_DISAPPEARING, TRANSITION_DELAY); return layoutTransition; } /** Returns whether a LayoutTransition is currently running on the TaskbarView. */ public boolean isTaskbarAppTransitionRunning() { LayoutTransition transition = mTaskbarView.getLayoutTransition(); return transition != null && transition.isRunning(); } public boolean isTaskbarInMinimalState() { return mTaskbarView.isTaskbarInMinimalState(); } /** * To be called when the given Task is updated, so that we can tell TaskbarView to also update. * @param task The Task whose e.g. icon changed. */ public void onTaskUpdated(Task task, GroupTask parentGroupTask) { // Find the icon view(s) that changed. for (View view : mTaskbarView.getIconViews()) { if (view instanceof BubbleTextView btv && view.getTag() instanceof GroupTask groupTask) { if (groupTask.containsTask(task.key.id)) { mTaskbarView.applyGroupTaskToBubbleTextView(btv, groupTask); } } else if (view instanceof AppPairIcon appPairIcon && view.getTag() instanceof SplitTask st && st.containsTask(task.key.id)) { appPairIcon.updateInfo(st.toAppPairInfo()); } else if (view instanceof TaskbarOverflowView overflowButton && parentGroupTask instanceof SingleTask singleTask) { overflowButton.updateTaskIsShown(singleTask); } } } public void onHandoffSuggestionUpdated(HandoffSuggestion suggestion) { // Find the icon view(s) that changed. for (View view : mTaskbarView.getIconViews()) { if (view instanceof BubbleTextView btv && view.getTag() instanceof HandoffSuggestion handoffSuggestion && handoffSuggestion.equals(suggestion)) { mTaskbarView.applyHandoffSuggestionToBubbleTextView(btv, suggestion); } } } OverflownAppsContainerController getOverflownAppsContainerController() { return mOverflownAppsContainerController; } @Override public void dumpLogs(String prefix, PrintWriter pw) { pw.println(prefix + "TaskbarViewController:"); pw.println(prefix + "\tignoreTaskbarIconCount=" + mTaskbarView.getIgnoreTaskbarIconCount()); mTaskbarIconAlpha.dump( prefix + "\t", pw, "mTaskbarIconAlpha", "ALPHA_INDEX_HOME", "ALPHA_INDEX_KEYGUARD", "ALPHA_INDEX_STASH", "ALPHA_INDEX_RECENTS_DISABLED", "ALPHA_INDEX_NOTIFICATION_EXPANDED", "ALPHA_INDEX_ASSISTANT_INVOKED", "ALPHA_INDEX_SMALL_SCREEN"); mModelCallbacks.dumpLogs(prefix + "\t", pw); } private ObjectAnimator createTaskbarIconsShiftAnimator(float translationX) { ObjectAnimator animator = mIconsTranslationXForNavbar.animateToValue(translationX); animator.setStartDelay(FADE_OUT_ANIM_POSITION_DURATION_MS); animator.setDuration(FADE_IN_ANIM_ALPHA_DURATION_MS); animator.setInterpolator(EMPHASIZED); return animator; } private class TransitionEndBoundsChangedNotifier implements TransitionListener { private boolean mIsCanceled = true; // Start as disabled. private int mRunningTransitionsCount; @Override public void startTransition( LayoutTransition transition, ViewGroup container, View view, int type) { mRunningTransitionsCount++; } @Override public void endTransition( LayoutTransition transition, ViewGroup container, View view, int type) { mRunningTransitionsCount--; if (mRunningTransitionsCount == 0 && !mControllers.taskbarPopupController.isPopupOpened()) { // Reset the taskbar window size to default after all animations are done so // there won't be janky animation with window resize. mActivity.setTaskbarWindowFullscreen(false); } if (!transition.isRunning() && !mIsCanceled) { mControllers.uiController.onIconLayoutBoundsChanged(); } } } }