forked from GitHub-Mirror/riotX-android
65 lines
1.8 KiB
Kotlin
65 lines
1.8 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.matrix.android.internal.util
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.LifecycleObserver
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import androidx.lifecycle.OnLifecycleEvent
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import im.vector.matrix.android.internal.di.MatrixScope
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import timber.log.Timber
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import javax.inject.Inject
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/**
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* To be attached to ProcessLifecycleOwner lifecycle
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*/
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@MatrixScope
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internal class BackgroundDetectionObserver @Inject constructor() : LifecycleObserver {
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var isIsBackground: Boolean = false
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private set
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private
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val listeners = ArrayList<Listener>()
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fun register(listener: Listener) {
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listeners.add(listener)
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}
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fun unregister(listener: Listener) {
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listeners.remove(listener)
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}
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@OnLifecycleEvent(Lifecycle.Event.ON_START)
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fun onMoveToForeground() {
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Timber.v("App returning to foreground…")
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isIsBackground = false
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listeners.forEach { it.onMoveToForeground() }
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}
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@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
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fun onMoveToBackground() {
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Timber.v("App going to background…")
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isIsBackground = true
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listeners.forEach { it.onMoveToBackground() }
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}
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interface Listener {
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fun onMoveToForeground()
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fun onMoveToBackground()
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}
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} |