5393991573
This cl makes BatteryBroadcastReceiver also listen to update about battery saver. Bug: 70530651 Test: RunSettingsRoboTests Change-Id: I76b2f1b1047aa195ee9d8ff2a8a330cea31039d4
93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* Copyright (C) 2017 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.fuelgauge;
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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.PowerManager;
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import android.support.annotation.VisibleForTesting;
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import com.android.settings.Utils;
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/**
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* Use this broadcastReceiver to listen to the battery change, and it will invoke
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* {@link OnBatteryChangedListener} if any of the followings has been changed:
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*
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* 1. Battery level(e.g. 100%->99%)
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* 2. Battery status(e.g. plugged->unplugged)
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* 3. Battery saver(e.g. off->on)
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*/
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public class BatteryBroadcastReceiver extends BroadcastReceiver {
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interface OnBatteryChangedListener {
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void onBatteryChanged();
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}
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@VisibleForTesting
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String mBatteryLevel;
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@VisibleForTesting
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String mBatteryStatus;
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private OnBatteryChangedListener mBatteryListener;
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private Context mContext;
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public BatteryBroadcastReceiver(Context context) {
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mContext = context;
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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updateBatteryStatus(intent, false /* forceUpdate */);
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}
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public void setBatteryChangedListener(OnBatteryChangedListener lsn) {
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mBatteryListener = lsn;
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}
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public void register() {
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final IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
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intentFilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);
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final Intent intent = mContext.registerReceiver(this, intentFilter);
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updateBatteryStatus(intent, true /* forceUpdate */);
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}
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public void unRegister() {
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mContext.unregisterReceiver(this);
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}
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private void updateBatteryStatus(Intent intent, boolean forceUpdate) {
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if (intent != null && mBatteryListener != null) {
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if (Intent.ACTION_BATTERY_CHANGED.equals(intent.getAction())) {
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final String batteryLevel = Utils.getBatteryPercentage(intent);
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final String batteryStatus = Utils.getBatteryStatus(
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mContext.getResources(), intent);
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if (forceUpdate || !batteryLevel.equals(mBatteryLevel) || !batteryStatus.equals(
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mBatteryStatus)) {
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mBatteryLevel = batteryLevel;
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mBatteryStatus = batteryStatus;
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mBatteryListener.onBatteryChanged();
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}
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} else if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(intent.getAction())) {
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mBatteryListener.onBatteryChanged();
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}
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}
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}
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} |