11f698ba22
Bug: None Test: RunSettingsRoboTests Change-Id: Ib576f5979feda0fa7f573915acffc5065d40095c
93 lines
3.1 KiB
Java
93 lines
3.1 KiB
Java
/*
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* Copyright (C) 2018 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.Context;
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import android.text.BidiFormatter;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnStart;
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import com.android.settingslib.core.lifecycle.events.OnStop;
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public class TopLevelBatteryPreferenceController extends BasePreferenceController implements
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LifecycleObserver, OnStart, OnStop {
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private final BatteryBroadcastReceiver mBatteryBroadcastReceiver;
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private Preference mPreference;
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private BatteryInfo mBatteryInfo;
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public TopLevelBatteryPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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mBatteryBroadcastReceiver = new BatteryBroadcastReceiver(mContext);
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mBatteryBroadcastReceiver.setBatteryChangedListener(type -> {
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BatteryInfo.getBatteryInfo(mContext, info -> {
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mBatteryInfo = info;
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updateState(mPreference);
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}, true /* shortString */);
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});
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}
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@Override
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public int getAvailabilityStatus() {
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return mContext.getResources().getBoolean(R.bool.config_show_top_level_battery)
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? AVAILABLE_UNSEARCHABLE
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: UNSUPPORTED_ON_DEVICE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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}
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@Override
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public void onStart() {
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mBatteryBroadcastReceiver.register();
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}
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@Override
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public void onStop() {
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mBatteryBroadcastReceiver.unRegister();
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}
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@Override
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public CharSequence getSummary() {
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return getDashboardLabel(mContext, mBatteryInfo);
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}
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static CharSequence getDashboardLabel(Context context, BatteryInfo info) {
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if (info == null || context == null) {
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return null;
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}
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CharSequence label;
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final BidiFormatter formatter = BidiFormatter.getInstance();
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if (info.remainingLabel == null) {
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label = info.batteryPercentString;
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} else {
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label = context.getString(R.string.power_remaining_settings_home_page,
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formatter.unicodeWrap(info.batteryPercentString),
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formatter.unicodeWrap(info.remainingLabel));
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}
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return label;
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}
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}
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