/*
 * Copyright (C) 2023 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.systemui.dreams;

import android.util.Log;

import com.android.systemui.CoreStartable;
import com.android.systemui.dagger.qualifiers.SystemUser;
import com.android.systemui.dreams.callbacks.AssistantAttentionCallback;
import com.android.systemui.dreams.conditions.AssistantAttentionCondition;
import com.android.systemui.shared.condition.Monitor;

import javax.inject.Inject;

/**
 * A {@link CoreStartable} to retain a monitor for tracking assistant attention.
 */
public class AssistantAttentionMonitor implements CoreStartable {
    private static final String TAG = "AssistAttentionMonitor";

    // We retain a reference to the monitor so it is not garbage-collected.
    private final Monitor mConditionMonitor;
    private final AssistantAttentionCondition mAssistantAttentionCondition;
    private final AssistantAttentionCallback mCallback;

    @Inject
    public AssistantAttentionMonitor(
            @SystemUser Monitor monitor,
            AssistantAttentionCondition assistantAttentionCondition,
            AssistantAttentionCallback callback) {
        mConditionMonitor = monitor;
        mAssistantAttentionCondition = assistantAttentionCondition;
        mCallback = callback;

    }
    @Override
    public void start() {
        if (Log.isLoggable(TAG, Log.DEBUG)) {
            Log.d(TAG, "started");
        }

        mConditionMonitor.addSubscription(new Monitor.Subscription.Builder(mCallback)
                .addCondition(mAssistantAttentionCondition)
                .build());
    }
}