80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. 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 distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and 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.database.ContentObserver;
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import android.os.Handler;
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import android.os.PowerManager;
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import android.provider.Settings;
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import android.provider.Settings.Global;
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import android.support.v7.preference.Preference;
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import android.util.AttributeSet;
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import android.view.View;
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import com.android.settings.R;
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import com.android.settings.Utils;
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public class BatterySaverPreference extends Preference {
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private PowerManager mPowerManager;
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public BatterySaverPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void performClick(View view) {
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Utils.startWithFragment(getContext(), getFragment(), null, null, 0, 0, getTitle());
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}
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@Override
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public void onAttached() {
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super.onAttached();
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mPowerManager = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
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mObserver.onChange(true);
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getContext().getContentResolver().registerContentObserver(
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Settings.Global.getUriFor(Global.LOW_POWER_MODE_TRIGGER_LEVEL), true, mObserver);
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getContext().getContentResolver().registerContentObserver(
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Settings.Global.getUriFor(Global.LOW_POWER_MODE), true, mObserver);
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}
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@Override
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public void onDetached() {
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super.onDetached();
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getContext().getContentResolver().unregisterContentObserver(mObserver);
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}
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private void updateSwitch() {
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final Context context = getContext();
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final boolean mode = mPowerManager.isPowerSaveMode();
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int format = mode ? R.string.battery_saver_on_summary
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: R.string.battery_saver_off_summary;
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int percent = Settings.Global.getInt(context.getContentResolver(),
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Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
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int percentFormat = percent > 0 ? R.string.battery_saver_desc_turn_on_auto_pct
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: R.string.battery_saver_desc_turn_on_auto_never;
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setSummary(context.getString(format, context.getString(percentFormat,
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Utils.formatPercentage(percent))));
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}
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private final ContentObserver mObserver = new ContentObserver(new Handler()) {
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@Override
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public void onChange(boolean selfChange) {
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updateSwitch();
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}
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};
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}
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