src/com/cooliris/cache/BootReceiver.java

   1 package com.cooliris.cache;
   2
   3 import com.cooliris.media.LocalDataSource;
   4 import com.cooliris.media.SingleDataSource;
   5
   6 import android.content.BroadcastReceiver;
   7 import android.content.ContentResolver;
   8 import android.content.Context;
   9 import android.content.Intent;
  10 import android.database.ContentObserver;
  11 import android.net.Uri;
  12 import android.os.Handler;
  13 import android.provider.MediaStore.Images;
  14 import android.provider.MediaStore.Video;
  15 import android.util.Log;
  16
  17 public class BootReceiver extends BroadcastReceiver {
  18     private static final String TAG = "BootReceiver";
  19     private final Handler mHandler = new Handler();
  20
  21     @Override
  22     public void onReceive(final Context context, Intent intent) {
  23         final String action = intent.getAction();
  24         Log.i(TAG, "Got intent with action " + action);
  25         if (Intent.ACTION_MEDIA_SCANNER_FINISHED.equals(action)) {
  26             CacheService.markDirty(context);
  27             CacheService.startCache(context, true);
  28         } else if (Intent.ACTION_MEDIA_MOUNTED.equals(action)) {
  29             // Do nothing, wait for the mediascanner to be done after mounting.
  30             ;
  31         } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE)) {
  32             final Uri fileUri = intent.getData();
  33             final long bucketId = SingleDataSource.parseBucketIdFromFileUri(fileUri.toString());
  34             if (!CacheService.isPresentInCache(bucketId)) {
  35                 CacheService.markDirty(context);
  36             }
  37         } else if (action.equals(Intent.ACTION_BOOT_COMPLETED)) {
  38             // We add special listeners for the MediaProvider
  39             final Handler handler = mHandler;
  40             final ContentObserver localObserver = new ContentObserver(handler) {
  41                 public void onChange(boolean selfChange) {
  42                     if (!LocalDataSource.sObserverActive) {
  43                         CacheService.senseDirty(context, null);
  44                     }
  45                 }
  46             };
  47             // Start listening perpetually.
  48             Uri uriImages = Images.Media.EXTERNAL_CONTENT_URI;
  49             Uri uriVideos = Video.Media.EXTERNAL_CONTENT_URI;
  50             ContentResolver cr = context.getContentResolver();
  51             cr.registerContentObserver(uriImages, false, localObserver);
  52             cr.registerContentObserver(uriVideos, false, localObserver);
  53         }
  54     }
  55 }