trigger Media Scan on:

- download
- delete local (on list and details)
- delete local & remote (on list and details)

src/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -43,9 +43,9 @@ import com.owncloud.android.ui.fragment.ConfirmationDialogFragment.ConfirmationD
 import com.owncloud.android.ui.preview.PreviewImageFragment;
 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 
-
 import android.accounts.Account;
 import android.app.Activity;
+import android.media.MediaScannerConnection;
 import android.os.Bundle;
 import android.os.Handler;
 import android.view.ContextMenu;
@@ -472,19 +472,26 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
     public void onConfirmation(String callerTag) {
         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
+                String path = new File(mTargetFile.getStoragePath()).getParent();
                 RemoteOperation operation = new RemoveFileOperation( mTargetFile, 
                                                                     true, 
                                                                     mContainerActivity.getStorageManager());
                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
                 
                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
+                
+                triggerMediaScan(path);
             }
         }
     }
     
     @Override
     public void onNeutral(String callerTag) {
+        String path = new File(mTargetFile.getStoragePath()).getParent();
         mContainerActivity.getStorageManager().removeFile(mTargetFile, false, true);    // TODO perform in background task / new thread
+        
+        triggerMediaScan(path);
+        
         listDirectory();
         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
     }
@@ -493,6 +500,11 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
     public void onCancel(String callerTag) {
         Log_OC.d(TAG, "REMOVAL CANCELED");
     }
-
-
+    
+    private void triggerMediaScan(String path){
+        MediaScannerConnection.scanFile(
+                getActivity().getApplicationContext(), 
+                new String[]{path}, 
+                null,null);
+    }
 }

src/com/owncloud/android/ui/preview/PreviewImageActivity.java

@@ -22,6 +22,9 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.ServiceConnection;
+import android.media.MediaScannerConnection;
+import android.media.MediaScannerConnection.OnScanCompletedListener;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.support.v4.app.Fragment;
@@ -372,14 +375,25 @@ public class PreviewImageActivity extends FileActivity implements FileFragment.C
         public void onReceive(Context context, Intent intent) {
             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
+            
+            
+            
             if (getAccount().name.equals(accountName) && 
                     downloadedRemotePath != null) {
 
-                OCFile file = mStorageManager.getFileByPath(downloadedRemotePath);
+                final OCFile file = mStorageManager.getFileByPath(downloadedRemotePath);
                 int position = mPreviewImagePagerAdapter.getFilePosition(file);
                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
                 //boolean isOffscreen =  Math.abs((mViewPager.getCurrentItem() - position)) <= mViewPager.getOffscreenPageLimit();
                 
+                if (downloadWasFine){
+                 // Trigger Mediascan
+                    MediaScannerConnection.scanFile(
+                            context, 
+                            new String[]{file.getStoragePath()}, 
+                            null,null);
+                }
+                
                 if (position >= 0 && intent.getAction().equals(FileDownloader.getDownloadFinishMessage())) {
                     if (downloadWasFine) {
                         mPreviewImagePagerAdapter.updateFile(position, file);   

src/com/owncloud/android/ui/preview/PreviewImageFragment.java

@@ -21,7 +21,6 @@ import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
 
-
 import android.accounts.Account;
 import android.annotation.SuppressLint;
 import android.app.Activity;
@@ -31,6 +30,7 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.BitmapFactory.Options;
 import android.graphics.Point;
+import android.media.MediaScannerConnection;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -374,12 +374,15 @@ public class PreviewImageFragment extends FileFragment implements   OnRemoteOper
     @Override
     public void onConfirmation(String callerTag) {
         if (mStorageManager.getFileById(getFile().getFileId()) != null) {   // check that the file is still there;
+            String path = new File(getFile().getStoragePath()).getParent();
             mLastRemoteOperation = new RemoveFileOperation( getFile(),      // TODO we need to review the interface with RemoteOperations, and use OCFile IDs instead of OCFile objects as parameters
                                                             true, 
                                                             mStorageManager);
             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
             
             ((PreviewImageActivity) getActivity()).showLoadingDialog();
+            
+            triggerMediaScan(path);
         }
     }
     
@@ -393,7 +396,11 @@ public class PreviewImageFragment extends FileFragment implements   OnRemoteOper
         OCFile file = getFile();
         if (file.isDown()) {   // checks it is still there
             File f = new File(file.getStoragePath());
+            String path = f.getParent();
             f.delete();
+            
+            triggerMediaScan(path);
+            
             file.setStoragePath(null);
             mStorageManager.saveFile(file);
             finish();
@@ -408,6 +415,13 @@ public class PreviewImageFragment extends FileFragment implements   OnRemoteOper
         // nothing to do here
     }
     
+    private void triggerMediaScan(String path){
+        MediaScannerConnection.scanFile(
+                getActivity().getApplicationContext(), 
+                new String[]{path}, 
+                null,null);
+    }
+    
 
     private class BitmapLoader extends AsyncTask<String, Void, Bitmap> {