81d230b250
This is an implementation of BroadcastReceiver which supported by
LifecycleCallbackConverter.
Registration of BroadcastReceiver only take place when Lifecycle in
RESUME status.
Bug: 229689535
Test: unit test
Change-Id: Ia2af82d5cbb391034627e5259a9e0c8683a0c5a1
(cherry picked from commit c2030898ef)
105 lines
3.4 KiB
Java
105 lines
3.4 KiB
Java
/*
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* Copyright (C) 2022 The Android Open Source Project
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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 com.android.settings.network.helper;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Handler;
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import androidx.annotation.NonNull;
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import androidx.annotation.VisibleForTesting;
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import androidx.lifecycle.Lifecycle;
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import java.util.function.Consumer;
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/**
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* A {@link BroadcastReceiver} for {@link Intent}.
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*
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* This is {@link BroadcastReceiver} supported by {@link LifecycleCallbackConverter},
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* and only register when state is either START or RESUME.
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*/
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@VisibleForTesting
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public class LifecycleCallbackIntentReceiver extends LifecycleCallbackConverter<Intent> {
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private static final String TAG = "LifecycleCallbackIntentReceiver";
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@VisibleForTesting
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protected final BroadcastReceiver mReceiver;
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private final Runnable mRegisterCallback;
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private final Runnable mUnRegisterCallback;
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/**
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* Constructor
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* @param lifecycle {@link Lifecycle} to monitor
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* @param context for this BroadcastReceiver
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* @param filter the IntentFilter for BroadcastReceiver
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* @param broadcastPermission for permission when listening
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* @param scheduler for running in background thread
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* @param resultCallback for the Intent from BroadcastReceiver
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*/
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@VisibleForTesting
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public LifecycleCallbackIntentReceiver(@NonNull Lifecycle lifecycle,
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@NonNull Context context, @NonNull IntentFilter filter,
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String broadcastPermission, Handler scheduler,
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@NonNull Consumer<Intent> resultCallback) {
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super(lifecycle, resultCallback);
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// BroadcastReceiver
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mReceiver = new BroadcastReceiver() {
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public void onReceive(Context context, Intent intent) {
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if (isInitialStickyBroadcast()) {
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return;
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}
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final String action = intent.getAction();
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if ((action == null) || (action.length() <= 0)) {
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return;
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}
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postResult(intent);
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}
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};
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// Register operation
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mRegisterCallback = () -> {
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Intent initIntent = context.registerReceiver(mReceiver,
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filter, broadcastPermission, scheduler);
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if (initIntent != null) {
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postResult(initIntent);
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}
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};
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// Un-Register operation
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mUnRegisterCallback = () -> {
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context.unregisterReceiver(mReceiver);
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};
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}
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@Override
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public void setCallbackActive(boolean isActive) {
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super.setCallbackActive(isActive);
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Runnable op = (isActive) ? mRegisterCallback : mUnRegisterCallback;
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op.run();
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}
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@Override
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public void close() {
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super.close();
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if (isCallbackActive()) {
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setCallbackActive(false);
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}
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}
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}
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