blob: c169df005f5637f2052396e0a98608e67bc8280a [file] [log] [blame]
/*
* Copyright (C) 2014 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.systemui.qs;
import android.content.Context;
import android.database.ContentObserver;
import android.os.Handler;
import android.provider.Settings.Global;
import com.android.systemui.statusbar.policy.Listenable;
/** Helper for managing a global setting. **/
public abstract class GlobalSetting extends ContentObserver implements Listenable {
private final Context mContext;
private final String mSettingName;
protected abstract void handleValueChanged(int value);
public GlobalSetting(Context context, Handler handler, String settingName) {
super(handler);
mContext = context;
mSettingName = settingName;
}
public int getValue() {
return Global.getInt(mContext.getContentResolver(), mSettingName, 0);
}
public void setValue(int value) {
Global.putInt(mContext.getContentResolver(), mSettingName, value);
}
@Override
public void setListening(boolean listening) {
if (listening) {
mContext.getContentResolver().registerContentObserver(
Global.getUriFor(mSettingName), false, this);
} else {
mContext.getContentResolver().unregisterContentObserver(this);
}
}
@Override
public void onChange(boolean selfChange) {
handleValueChanged(getValue());
}
}