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      1 /*
      2  * Copyright (C) 2013 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.camera.app;
     18 
     19 import android.app.Application;
     20 import android.app.NotificationManager;
     21 import android.content.Context;
     22 
     23 import com.android.camera.MediaSaverImpl;
     24 import com.android.camera.debug.LogHelper;
     25 import com.android.camera.processing.ProcessingServiceManager;
     26 import com.android.camera.remote.RemoteShutterListener;
     27 import com.android.camera.session.CaptureSessionManager;
     28 import com.android.camera.session.CaptureSessionManagerImpl;
     29 import com.android.camera.session.PlaceholderManager;
     30 import com.android.camera.session.SessionStorageManager;
     31 import com.android.camera.session.SessionStorageManagerImpl;
     32 import com.android.camera.settings.SettingsManager;
     33 import com.android.camera.util.CameraUtil;
     34 import com.android.camera.util.RemoteShutterHelper;
     35 import com.android.camera.util.SessionStatsCollector;
     36 import com.android.camera.util.UsageStatistics;
     37 
     38 /**
     39  * The Camera application class containing important services and functionality
     40  * to be used across modules.
     41  */
     42 public class CameraApp extends Application implements CameraServices {
     43     private MediaSaver mMediaSaver;
     44     private CaptureSessionManager mSessionManager;
     45     private SessionStorageManager mSessionStorageManager;
     46     private MemoryManagerImpl mMemoryManager;
     47     private PlaceholderManager mPlaceHolderManager;
     48     private RemoteShutterListener mRemoteShutterListener;
     49     private MotionManager mMotionManager;
     50     private SettingsManager mSettingsManager;
     51 
     52     @Override
     53     public void onCreate() {
     54         super.onCreate();
     55 
     56         Context context = getApplicationContext();
     57         LogHelper.initialize(context);
     58 
     59         // It is important that this gets called early in execution before the
     60         // app has had the opportunity to create any shared preferences.
     61         UsageStatistics.instance().initialize(this);
     62         SessionStatsCollector.instance().initialize(this);
     63         CameraUtil.initialize(this);
     64 
     65         ProcessingServiceManager.initSingleton(context);
     66 
     67         mMediaSaver = new MediaSaverImpl();
     68         mPlaceHolderManager = new PlaceholderManager(context);
     69         mSessionStorageManager = SessionStorageManagerImpl.create(this);
     70         mSessionManager = new CaptureSessionManagerImpl(mMediaSaver, getContentResolver(),
     71                 mPlaceHolderManager, mSessionStorageManager);
     72         mMemoryManager = MemoryManagerImpl.create(getApplicationContext(), mMediaSaver);
     73         mRemoteShutterListener = RemoteShutterHelper.create(this);
     74         mSettingsManager = new SettingsManager(this);
     75 
     76         clearNotifications();
     77 
     78         mMotionManager = new MotionManager(context);
     79     }
     80 
     81     @Override
     82     public CaptureSessionManager getCaptureSessionManager() {
     83         return mSessionManager;
     84     }
     85 
     86     @Override
     87     public MemoryManager getMemoryManager() {
     88         return mMemoryManager;
     89     }
     90 
     91     @Override
     92     public MotionManager getMotionManager() {
     93         return mMotionManager;
     94     }
     95 
     96     @Override
     97     @Deprecated
     98     public MediaSaver getMediaSaver() {
     99         return mMediaSaver;
    100     }
    101 
    102     @Override
    103     public RemoteShutterListener getRemoteShutterListener() {
    104         return mRemoteShutterListener;
    105     }
    106 
    107     @Override
    108     public SettingsManager getSettingsManager() {
    109         return mSettingsManager;
    110     }
    111 
    112     /**
    113      * Clears all notifications. This cleans up notifications that we might have
    114      * created earlier but remained after a crash.
    115      */
    116     private void clearNotifications() {
    117         NotificationManager manager = (NotificationManager) getSystemService(
    118                 Context.NOTIFICATION_SERVICE);
    119         if (manager != null) {
    120             manager.cancelAll();
    121         }
    122     }
    123 }
    124