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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.camera.app;
     18 
     19 import android.content.Context;
     20 
     21 import com.android.camera.MediaSaverImpl;
     22 import com.android.camera.Storage;
     23 import com.android.camera.async.MainThread;
     24 import com.android.camera.remote.RemoteShutterListener;
     25 import com.android.camera.session.CaptureSessionFactory;
     26 import com.android.camera.session.CaptureSessionFactoryImpl;
     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.session.StackSaverFactory;
     33 import com.android.camera.settings.SettingsManager;
     34 import com.android.camera.util.AndroidContext;
     35 import com.android.camera.util.RemoteShutterHelper;
     36 
     37 /**
     38  * Functionality available to all modules and services.
     39  */
     40 public class CameraServicesImpl implements CameraServices {
     41     /**
     42      * Fast, thread safe singleton initialization.
     43      */
     44     private static class Singleton {
     45         private static final CameraServicesImpl INSTANCE = new CameraServicesImpl(
     46               AndroidContext.instance().get());
     47     }
     48 
     49     /**
     50      * @return a single instance of of the global camera services.
     51      */
     52     public static CameraServicesImpl instance() {
     53         return Singleton.INSTANCE;
     54     }
     55 
     56     private final MediaSaver mMediaSaver;
     57     private final CaptureSessionManager mSessionManager;
     58     private final MemoryManagerImpl mMemoryManager;
     59     private final RemoteShutterListener mRemoteShutterListener;
     60     private final MotionManager mMotionManager;
     61     private final SettingsManager mSettingsManager;
     62 
     63     private CameraServicesImpl(Context context) {
     64         mMediaSaver = new MediaSaverImpl(context.getContentResolver());
     65         PlaceholderManager mPlaceHolderManager = new PlaceholderManager(context);
     66         SessionStorageManager mSessionStorageManager = SessionStorageManagerImpl.create(context);
     67 
     68         StackSaverFactory mStackSaverFactory = new StackSaverFactory(Storage.DIRECTORY,
     69               context.getContentResolver());
     70         CaptureSessionFactory captureSessionFactory = new CaptureSessionFactoryImpl(
     71                 mMediaSaver, mPlaceHolderManager, mSessionStorageManager, mStackSaverFactory);
     72         mSessionManager = new CaptureSessionManagerImpl(
     73                 captureSessionFactory, mSessionStorageManager, MainThread.create());
     74         mMemoryManager = MemoryManagerImpl.create(context, mMediaSaver);
     75         mRemoteShutterListener = RemoteShutterHelper.create(context);
     76         mSettingsManager = new SettingsManager(context);
     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