blob: c4da6701f0fa0e44ac7696aebd6e86d6f9dbbfa1 [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source 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.settings.fuelgauge;
import android.content.Context;
import android.text.BidiFormatter;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
public class TopLevelBatteryPreferenceController extends BasePreferenceController implements
LifecycleObserver, OnStart, OnStop {
private final BatteryBroadcastReceiver mBatteryBroadcastReceiver;
private Preference mPreference;
private BatteryInfo mBatteryInfo;
public TopLevelBatteryPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mBatteryBroadcastReceiver = new BatteryBroadcastReceiver(mContext);
mBatteryBroadcastReceiver.setBatteryChangedListener(type -> {
BatteryInfo.getBatteryInfo(mContext, info -> {
mBatteryInfo = info;
updateState(mPreference);
}, true /* shortString */);
});
}
@Override
public int getAvailabilityStatus() {
return mContext.getResources().getBoolean(R.bool.config_show_top_level_battery)
? AVAILABLE_UNSEARCHABLE
: UNSUPPORTED_ON_DEVICE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public void onStart() {
mBatteryBroadcastReceiver.register();
}
@Override
public void onStop() {
mBatteryBroadcastReceiver.unRegister();
}
@Override
public CharSequence getSummary() {
return getDashboardLabel(mContext, mBatteryInfo);
}
static CharSequence getDashboardLabel(Context context, BatteryInfo info) {
if (info == null || context == null) {
return null;
}
CharSequence label;
final BidiFormatter formatter = BidiFormatter.getInstance();
if (!info.discharging && info.chargeLabel != null) {
label = info.chargeLabel;
} else if (info.remainingLabel == null) {
label = info.batteryPercentString;
} else {
label = context.getString(R.string.power_remaining_settings_home_page,
formatter.unicodeWrap(info.batteryPercentString),
formatter.unicodeWrap(info.remainingLabel));
}
return label;
}
}