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/*
* Copyright (C) 2015 The CyanogenMod 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.qs.tiles;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.PowerManager;
import android.provider.Settings;
import com.android.systemui.qs.QSTile;
import com.android.systemui.R;
import cyanogenmod.power.PerformanceManager;
import org.cyanogenmod.internal.logging.CMMetricsLogger;
/** Quick settings tile: Battery saver **/
public class BatterySaverTile extends QSTile<QSTile.BooleanState> {
private static final Intent BATTERY_SETTINGS = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY);
private final PowerManager mPm;
private final PerformanceManager mPerformanceManager;
private boolean mListening;
public BatterySaverTile(Host host) {
super(host);
mPm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
mPerformanceManager = PerformanceManager.getInstance(mContext);
}
@Override
protected BooleanState newTileState() {
return new BooleanState();
}
@Override
public void handleClick() {
mPm.setPowerSaveMode(!mState.value);
refreshState();
}
@Override
public void handleLongClick() {
mHost.startActivityDismissingKeyguard(BATTERY_SETTINGS);
}
@Override
protected void handleUpdateState(BooleanState state, Object arg) {
state.value = mPm.isPowerSaveMode();
state.visible = mPerformanceManager.getNumberOfProfiles() == 0;
state.label = mContext.getString(R.string.quick_settings_battery_saver_label);
if (state.value) {
state.icon = ResourceIcon.get(R.drawable.ic_qs_battery_saver_on);
state.contentDescription = mContext.getString(
R.string.accessibility_quick_settings_battery_saver_on);
} else {
state.icon = ResourceIcon.get(R.drawable.ic_qs_battery_saver_off);
state.contentDescription = mContext.getString(
R.string.accessibility_quick_settings_battery_saver_off);
}
}
@Override
protected String composeChangeAnnouncement() {
if (mState.value) {
return mContext.getString(
R.string.accessibility_quick_settings_battery_saver_changed_on);
} else {
return mContext.getString(
R.string.accessibility_quick_settings_battery_saver_changed_off);
}
}
@Override
public int getMetricsCategory() {
return CMMetricsLogger.TILE_BATTERY_SAVER;
}
private ContentObserver mObserver = new ContentObserver(mHandler) {
@Override
public void onChange(boolean selfChange, Uri uri) {
refreshState();
}
};
@Override
public void setListening(boolean listening) {
if (mListening == listening) return;
mListening = listening;
if (listening) {
mContext.getContentResolver().registerContentObserver(
Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE),
false, mObserver);
} else {
mContext.getContentResolver().unregisterContentObserver(mObserver);
}
}
}
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