| /* |
| * Copyright 2019 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.development.graphicsdriver; |
| |
| import android.content.ContentResolver; |
| import android.database.ContentObserver; |
| import android.os.Handler; |
| import android.provider.Settings; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| /** |
| * Helper class to observe Graphics Driver settings global change. |
| */ |
| public class GraphicsDriverContentObserver extends ContentObserver { |
| |
| interface OnGraphicsDriverContentChangedListener { |
| void onGraphicsDriverContentChanged(); |
| } |
| |
| @VisibleForTesting |
| OnGraphicsDriverContentChangedListener mListener; |
| |
| public GraphicsDriverContentObserver(Handler handler, |
| OnGraphicsDriverContentChangedListener listener) { |
| super(handler); |
| mListener = listener; |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| mListener.onGraphicsDriverContentChanged(); |
| } |
| |
| /** |
| * Register GraphicsDriverContentObserver to ContentResolver. |
| */ |
| public void register(ContentResolver contentResolver) { |
| contentResolver.registerContentObserver( |
| Settings.Global.getUriFor(Settings.Global.GAME_DRIVER_ALL_APPS), false, this); |
| } |
| |
| /** |
| * Unregister GraphicsDriverContentObserver. |
| */ |
| public void unregister(ContentResolver contentResolver) { |
| contentResolver.unregisterContentObserver(this); |
| } |
| } |