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      1 /*
      2  * Copyright (C) 2015 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 com.android.messaging;
     18 
     19 import android.content.Context;
     20 
     21 import com.android.messaging.datamodel.DataModel;
     22 import com.android.messaging.datamodel.MemoryCacheManager;
     23 import com.android.messaging.datamodel.ParticipantRefresh.ContactContentObserver;
     24 import com.android.messaging.datamodel.media.MediaCacheManager;
     25 import com.android.messaging.datamodel.media.MediaResourceManager;
     26 import com.android.messaging.sms.BugleCarrierConfigValuesLoader;
     27 import com.android.messaging.ui.UIIntents;
     28 import com.android.messaging.util.Assert;
     29 import com.android.messaging.util.BugleGservices;
     30 import com.android.messaging.util.BuglePrefs;
     31 import com.android.messaging.util.MediaUtil;
     32 import com.android.messaging.util.PhoneUtils;
     33 import com.google.common.annotations.VisibleForTesting;
     34 
     35 public abstract class Factory {
     36 
     37     // Making this volatile because on the unit tests, setInstance is called from a unit test
     38     // thread, and then it's read on the UI thread.
     39     private static volatile Factory sInstance;
     40     @VisibleForTesting
     41     protected static boolean sRegistered;
     42     @VisibleForTesting
     43     protected static boolean sInitialized;
     44 
     45     public static Factory get() {
     46         return sInstance;
     47     }
     48 
     49     protected static void setInstance(final Factory factory) {
     50         // Not allowed to call this after real application initialization is complete
     51         Assert.isTrue(!sRegistered);
     52         Assert.isTrue(!sInitialized);
     53         sInstance = factory;
     54     }
     55     public abstract void onRequiredPermissionsAcquired();
     56 
     57     public abstract Context getApplicationContext();
     58     public abstract DataModel getDataModel();
     59     public abstract BugleGservices getBugleGservices();
     60     public abstract BuglePrefs getApplicationPrefs();
     61     public abstract BuglePrefs getSubscriptionPrefs(int subId);
     62     public abstract BuglePrefs getWidgetPrefs();
     63     public abstract UIIntents getUIIntents();
     64     public abstract MemoryCacheManager getMemoryCacheManager();
     65     public abstract MediaResourceManager getMediaResourceManager();
     66     public abstract MediaCacheManager getMediaCacheManager();
     67     public abstract ContactContentObserver getContactContentObserver();
     68     public abstract PhoneUtils getPhoneUtils(int subId);
     69     public abstract MediaUtil getMediaUtil();
     70     public abstract BugleCarrierConfigValuesLoader getCarrierConfigValuesLoader();
     71     // Note this needs to run from any thread
     72     public abstract void reclaimMemory();
     73 
     74     public abstract void onActivityResume();
     75 }
     76