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      1 /* //device/content/providers/media/src/com/android/providers/media/MediaScannerReceiver.java
      2 **
      3 ** Copyright 2007, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 package com.android.providers.media;
     19 
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.BroadcastReceiver;
     23 import android.net.Uri;
     24 import android.os.Environment;
     25 import android.os.Bundle;
     26 
     27 import java.io.File;
     28 
     29 
     30 public class MediaScannerReceiver extends BroadcastReceiver
     31 {
     32     private final static String TAG = "MediaScannerReceiver";
     33 
     34     @Override
     35     public void onReceive(Context context, Intent intent) {
     36         String action = intent.getAction();
     37         Uri uri = intent.getData();
     38         String externalStoragePath = Environment.getExternalStorageDirectory().getPath();
     39 
     40         if (action.equals(Intent.ACTION_BOOT_COMPLETED)) {
     41             // scan internal storage
     42             scan(context, MediaProvider.INTERNAL_VOLUME);
     43         } else {
     44             if (uri.getScheme().equals("file")) {
     45                 // handle intents related to external storage
     46                 String path = uri.getPath();
     47                 if (action.equals(Intent.ACTION_MEDIA_MOUNTED) &&
     48                         externalStoragePath.equals(path)) {
     49                     scan(context, MediaProvider.EXTERNAL_VOLUME);
     50                 } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE) &&
     51                         path != null && path.startsWith(externalStoragePath + "/")) {
     52                     scanFile(context, path);
     53                 }
     54             }
     55         }
     56     }
     57 
     58     private void scan(Context context, String volume) {
     59         Bundle args = new Bundle();
     60         args.putString("volume", volume);
     61         context.startService(
     62                 new Intent(context, MediaScannerService.class).putExtras(args));
     63     }
     64 
     65     private void scanFile(Context context, String path) {
     66         Bundle args = new Bundle();
     67         args.putString("filepath", path);
     68         context.startService(
     69                 new Intent(context, MediaScannerService.class).putExtras(args));
     70     }
     71 }
     72 
     73 
     74