packages/SystemUI/shared/src/com/android/systemui/unfold/system/ActivityManagerActivityTypeProvider.kt

/*
 * Copyright (C) 2022 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.unfold.system

import android.app.ActivityManager
import android.app.WindowConfiguration
import com.android.systemui.unfold.util.CurrentActivityTypeProvider
import javax.inject.Inject
import javax.inject.Singleton

@Singleton
class ActivityManagerActivityTypeProvider @Inject constructor(
    private val activityManager: ActivityManager
) : CurrentActivityTypeProvider {

    override val isHomeActivity: Boolean?
        get() {
            val activityType = activityManager.getRunningTasks(/* maxNum= */ 1)
                    ?.getOrNull(0)?.topActivityType ?: return null

            return activityType == WindowConfiguration.ACTIVITY_TYPE_HOME
        }
}