1 /*
2  * Copyright (C) 2017 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.googlecode.android_scripting.facade.media;
18 
19 import android.app.Service;
20 import android.content.BroadcastReceiver;
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.IntentFilter;
24 import android.media.MediaScanner;
25 import android.net.Uri;
26 import android.os.Bundle;
27 import android.os.Environment;
28 
29 import com.googlecode.android_scripting.Log;
30 import com.googlecode.android_scripting.facade.EventFacade;
31 import com.googlecode.android_scripting.facade.FacadeManager;
32 import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
33 import com.googlecode.android_scripting.rpc.Rpc;
34 import com.googlecode.android_scripting.rpc.RpcParameter;
35 
36 /**
37  * Expose functionalities of MediaScanner related APIs.
38  */
39 public class MediaScannerFacade extends RpcReceiver {
40 
41     private final Service mService;
42     private final MediaScanner mScanService;
43     private final EventFacade mEventFacade;
44     private final MediaScannerReceiver mReceiver;
45 
MediaScannerFacade(FacadeManager manager)46     public MediaScannerFacade(FacadeManager manager) {
47         super(manager);
48         mService = manager.getService();
49         mScanService = new MediaScanner(mService, "external");
50         mEventFacade = manager.getReceiver(EventFacade.class);
51         mReceiver = new MediaScannerReceiver();
52     }
53 
54     public class MediaScannerReceiver extends BroadcastReceiver {
55 
56         @Override
onReceive(Context context, Intent intent)57         public void onReceive(Context context, Intent intent) {
58             String action = intent.getAction();
59             if(action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) {
60                 Log.d("Scan finished, posting event.");
61                 mEventFacade.postEvent("MediaScanFinished", new Bundle());
62                 mService.unregisterReceiver(mReceiver);
63             }
64         }
65     }
66 
67     @Rpc(description = "Scan external storage for media files.")
mediaScanForFiles()68     public void mediaScanForFiles() {
69         mService.sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
70                                Uri.parse("file://" + Environment.getExternalStorageDirectory())));
71         mService.registerReceiver(mReceiver,
72                                   new IntentFilter(Intent.ACTION_MEDIA_SCANNER_FINISHED));
73     }
74 
75     @Rpc(description = "Scan for a media file.")
mediaScanForOneFile(@pcParametername = "path") String path)76     public void mediaScanForOneFile(@RpcParameter(name = "path") String path) {
77         mService.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse(path)));
78     }
79 
80     @Override
shutdown()81     public void shutdown() {
82     }
83 }
84