1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.car.settings; 18 19 import android.content.Context; 20 import android.database.ContentObserver; 21 import android.net.Uri; 22 import android.os.Handler; 23 import android.provider.Settings; 24 25 import java.lang.ref.WeakReference; 26 27 /** 28 * A content observer for garage mode settings. 29 * @hide 30 */ 31 public abstract class GarageModeSettingsObserver extends ContentObserver { 32 33 public static final Uri GARAGE_MODE_ENABLED_URI = 34 Settings.Global.getUriFor(CarSettings.Global.KEY_GARAGE_MODE_ENABLED); 35 public static final Uri GARAGE_MODE_WAKE_UP_TIME_URI = 36 Settings.Global.getUriFor(CarSettings.Global.KEY_GARAGE_MODE_WAKE_UP_TIME); 37 public static final Uri GARAGE_MODE_MAINTENANCE_WINDOW_URI = 38 Settings.Global.getUriFor(CarSettings.Global.KEY_GARAGE_MODE_MAINTENANCE_WINDOW); 39 40 public static final Uri[] GARAGE_SETTING_URIS = {GARAGE_MODE_ENABLED_URI, 41 GARAGE_MODE_WAKE_UP_TIME_URI, GARAGE_MODE_MAINTENANCE_WINDOW_URI}; 42 43 private final WeakReference<Context> mContext; 44 45 public GarageModeSettingsObserver(Context context, Handler handler) { 46 super(handler); 47 mContext = new WeakReference<Context>(context); 48 } 49 50 public void register() { 51 if (mContext.get() == null) { 52 return; 53 } 54 for (Uri uri : GARAGE_SETTING_URIS) { 55 mContext.get().getContentResolver().registerContentObserver( 56 uri, false, this); 57 } 58 } 59 60 public void unregister() { 61 if (mContext.get() == null) { 62 return; 63 } 64 mContext.get().getContentResolver().unregisterContentObserver(this); 65 } 66 67 } 68
