Merge pull request #1088 from owncloud/updated_docs_about_target_of_PRs

[pub/Android/ownCloud.git] / src / com / owncloud / android / datamodel / FileDataStorageManager.java

diff --git a/src/com/owncloud/android/datamodel/FileDataStorageManager.java b/src/com/owncloud/android/datamodel/FileDataStorageManager.java
index 5b1bef1..7db0a63 100644 (file)
--- a/src/com/owncloud/android/datamodel/FileDataStorageManager.java
+++ b/src/com/owncloud/android/datamodel/FileDataStorageManager.java
@@ -1,6 +1,8 @@
-/* ownCloud Android client application
+/**
+ *   ownCloud Android client application
+ *

  *   Copyright (C) 2012  Bartek Przybylski
  *   Copyright (C) 2012  Bartek Przybylski

- *   Copyright (C) 2012-2014 ownCloud Inc.
+ *   Copyright (C) 2015 ownCloud Inc.

  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,


@@ -23,17 +25,9 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;

+import java.util.List;

 import java.util.Vector;
 
 import java.util.Vector;
 

-import com.owncloud.android.MainApp;
-import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
-import com.owncloud.android.lib.common.utils.Log_OC;
-import com.owncloud.android.lib.resources.shares.OCShare;
-import com.owncloud.android.lib.resources.shares.ShareType;
-import com.owncloud.android.lib.resources.files.FileUtils;
-import com.owncloud.android.utils.FileStorageUtils;
-
-

 import android.accounts.Account;
 import android.content.ContentProviderClient;
 import android.content.ContentProviderOperation;
 import android.accounts.Account;
 import android.content.ContentProviderClient;
 import android.content.ContentProviderOperation;


@@ -41,10 +35,20 @@ import android.content.ContentProviderResult;
 import android.content.ContentResolver;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.ContentResolver;
 import android.content.ContentUris;
 import android.content.ContentValues;

+import android.content.Intent;

 import android.content.OperationApplicationException;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.RemoteException;
 import android.content.OperationApplicationException;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.RemoteException;

+import android.provider.MediaStore;
+
+import com.owncloud.android.MainApp;
+import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.files.FileUtils;
+import com.owncloud.android.lib.resources.shares.OCShare;
+import com.owncloud.android.lib.resources.shares.ShareType;
+import com.owncloud.android.utils.FileStorageUtils;

 
 public class FileDataStorageManager {
 
 
 public class FileDataStorageManager {
 


@@ -138,9 +142,10 @@ public class FileDataStorageManager {
     }
 
     
     }
 
     

-    public Vector<OCFile> getFolderContent(OCFile f) {
+    public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {

         if (f != null && f.isFolder() && f.getFileId() != -1) {
         if (f != null && f.isFolder() && f.getFileId() != -1) {

-            return getFolderContent(f.getFileId());
+            // TODO Enable when "On Device" is recovered ?
+            return getFolderContent(f.getFileId()/*, onlyOnDevice*/);

 
         } else {
             return new Vector<OCFile>();
 
         } else {
             return new Vector<OCFile>();


@@ -148,11 +153,12 @@ public class FileDataStorageManager {
     }
     
     
     }
     
     

-    public Vector<OCFile> getFolderImages(OCFile folder) {
+    public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {

         Vector<OCFile> ret = new Vector<OCFile>(); 
         if (folder != null) {
         Vector<OCFile> ret = new Vector<OCFile>(); 
         if (folder != null) {

-            // TODO better implementation, filtering in the access to database instead of here 
-            Vector<OCFile> tmp = getFolderContent(folder);
+            // TODO better implementation, filtering in the access to database instead of here
+            // TODO Enable when "On Device" is recovered ?
+            Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);

             OCFile current = null; 
             for (int i=0; i<tmp.size(); i++) {
                 current = tmp.get(i);
             OCFile current = null; 
             for (int i=0; i<tmp.size(); i++) {
                 current = tmp.get(i);


@@ -164,7 +170,6 @@ public class FileDataStorageManager {
         return ret;
     }
 
         return ret;
     }
 

-    

     public boolean saveFile(OCFile file) {
         boolean overriden = false;
         ContentValues cv = new ContentValues();
     public boolean saveFile(OCFile file) {
         boolean overriden = false;
         ContentValues cv = new ContentValues();


@@ -192,6 +197,7 @@ public class FileDataStorageManager {
         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());

+        cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());

         
         boolean sameRemotePath = fileExists(file.getRemotePath());
         if (sameRemotePath ||
         
         boolean sameRemotePath = fileExists(file.getRemotePath());
         if (sameRemotePath ||


@@ -260,8 +266,8 @@ public class FileDataStorageManager {
      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
      *  
      * @param folder
      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
      *  
      * @param folder

-     * @param files
-     * @param removeNotUpdated
+     * @param updatedFiles
+     * @param filesToRemove

      */
     public void saveFolder(
             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
      */
     public void saveFolder(
             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove


@@ -300,6 +306,8 @@ public class FileDataStorageManager {
             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());

+            cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
+            cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());

 
             boolean existsByPath = fileExists(file.getRemotePath());
             if (existsByPath || fileExists(file.getFileId())) {
 
             boolean existsByPath = fileExists(file.getRemotePath());
             if (existsByPath || fileExists(file.getFileId())) {


@@ -345,7 +353,9 @@ public class FileDataStorageManager {
                     ).withSelection(where, whereArgs).build());
                     
                     if (file.isDown()) {
                     ).withSelection(where, whereArgs).build());
                     
                     if (file.isDown()) {

-                        new File(file.getStoragePath()).delete();
+                        String path = file.getStoragePath();
+                        new File(path).delete();
+                        triggerMediaScan(path); // notify MediaScanner about removed file

                     }
                 }
             }
                     }
                 }
             }


@@ -483,8 +493,12 @@ public class FileDataStorageManager {
                     }
                     success &= (deleted > 0); 
                 }
                     }
                     success &= (deleted > 0); 
                 }

-                if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
-                    success = new File(file.getStoragePath()).delete();
+                String localPath = file.getStoragePath();
+                if (removeLocalCopy && file.isDown() && localPath != null && success) {
+                    success = new File(localPath).delete();
+                    if (success) {
+                        deleteFileInMediaScan(localPath);
+                    }

                     if (!removeDBData && success) {
                         // maybe unnecessary, but should be checked TODO remove if unnecessary
                         file.setStoragePath(null);
                     if (!removeDBData && success) {
                         // maybe unnecessary, but should be checked TODO remove if unnecessary
                         file.setStoragePath(null);


@@ -531,10 +545,12 @@ public class FileDataStorageManager {
 
     private boolean removeLocalFolder(OCFile folder) {
         boolean success = true;
 
     private boolean removeLocalFolder(OCFile folder) {
         boolean success = true;

-        File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
+        String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
+        File localFolder = new File(localFolderPath);

         if (localFolder.exists()) {
             // stage 1: remove the local files already registered in the files database
         if (localFolder.exists()) {
             // stage 1: remove the local files already registered in the files database

-            Vector<OCFile> files = getFolderContent(folder.getFileId());
+            // TODO Enable when "On Device" is recovered ?
+            Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);

             if (files != null) {
                 for (OCFile file : files) {
                     if (file.isFolder()) {
             if (files != null) {
                 for (OCFile file : files) {
                     if (file.isFolder()) {


@@ -544,6 +560,8 @@ public class FileDataStorageManager {
                             File localFile = new File(file.getStoragePath());
                             success &= localFile.delete();
                             if (success) {
                             File localFile = new File(file.getStoragePath());
                             success &= localFile.delete();
                             if (success) {

+                                // notify MediaScanner about removed file
+                                deleteFileInMediaScan(file.getStoragePath());

                                 file.setStoragePath(null);
                                 saveFile(file);
                             }
                                 file.setStoragePath(null);
                                 saveFile(file);
                             }


@@ -567,6 +585,7 @@ public class FileDataStorageManager {
                 if (localFile.isDirectory()) {
                     success &= removeLocalFolder(localFile);
                 } else {
                 if (localFile.isDirectory()) {
                     success &= removeLocalFolder(localFile);
                 } else {

+                    String path = localFile.getAbsolutePath();

                     success &= localFile.delete();
                 }
             }
                     success &= localFile.delete();
                 }
             }


@@ -575,109 +594,20 @@ public class FileDataStorageManager {
         return success;
     }
 
         return success;
     }
 

+    

     /**
     /**

-     * Updates database for a folder that was moved to a different location.
+     * Updates database and file system for a file or folder that was moved to a different location.

      * 
      * TODO explore better (faster) implementations
      * TODO throw exceptions up !
      */
      * 
      * TODO explore better (faster) implementations
      * TODO throw exceptions up !
      */

-    public void moveFolder(OCFile folder, String newPath) {
-        // TODO check newPath
-
-        if (    folder != null && folder.isFolder() && 
-                folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())
-            ) {
-            /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
-            Cursor c = null;
-            if (getContentProviderClient() != null) {
-                try {
-                    c = getContentProviderClient().query (
-                        ProviderTableMeta.CONTENT_URI, 
-                        null,
-                        ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + 
-                                ProviderTableMeta.FILE_PATH + " LIKE ? ",
-                        new String[] { mAccount.name, folder.getRemotePath() + "%"  }, 
-                        ProviderTableMeta.FILE_PATH + " ASC "
-                    );
-                } catch (RemoteException e) {
-                    Log_OC.e(TAG, e.getMessage());
-                }
-            } else {
-                c = getContentResolver().query (
-                    ProviderTableMeta.CONTENT_URI, 
-                    null,
-                    ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + 
-                            ProviderTableMeta.FILE_PATH + " LIKE ? ",
-                    new String[] { mAccount.name, folder.getRemotePath() + "%"  }, 
-                    ProviderTableMeta.FILE_PATH + " ASC "
-                );
-            }
-
-            /// 2. prepare a batch of update operations to change all the descendants
-            ArrayList<ContentProviderOperation> operations = 
-                    new ArrayList<ContentProviderOperation>(c.getCount());
-            int lengthOfOldPath = folder.getRemotePath().length();
-            String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
-            int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
-            if (c.moveToFirst()) {
-                do {
-                    ContentValues cv = new ContentValues(); // keep the constructor in the loop
-                    OCFile child = createFileInstance(c);
-                    cv.put(
-                        ProviderTableMeta.FILE_PATH, 
-                        newPath + child.getRemotePath().substring(lengthOfOldPath)
-                    );
-                    if (    child.getStoragePath() != null && 
-                            child.getStoragePath().startsWith(defaultSavePath)  ) {
-                        cv.put(
-                                ProviderTableMeta.FILE_STORAGE_PATH, 
-                                defaultSavePath + newPath + 
-                                    child.getStoragePath().substring(lengthOfOldStoragePath)
-                        );
-                    }
-                    operations.add(
-                            ContentProviderOperation.
-                            newUpdate(ProviderTableMeta.CONTENT_URI).
-                            withValues(cv).
-                            withSelection(  
-                                    ProviderTableMeta._ID + "=?", 
-                                    new String[] { String.valueOf(child.getFileId()) }
-                            ).
-                            build()
-                    );
-                } while (c.moveToNext());
-            }
-            c.close();
-
-            /// 3. apply updates in batch
-            try {
-                if (getContentResolver() != null) {
-                    getContentResolver().applyBatch(MainApp.getAuthority(), operations);
-
-                } else {
-                    getContentProviderClient().applyBatch(operations);
-                }
-
-            } catch (OperationApplicationException e) {
-                Log_OC.e(TAG, "Fail to update descendants of " + 
-                        folder.getFileId() + " in database", e);
-
-            } catch (RemoteException e) {
-                Log_OC.e(TAG, "Fail to update desendants of " + 
-                        folder.getFileId() + " in database", e);
-            }
-
-        }
-    }
-
-    

     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 
         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
             
             OCFile targetParent = getFileByPath(targetParentPath);
             if (targetParent == null) {
     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 
         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
             
             OCFile targetParent = getFileByPath(targetParentPath);
             if (targetParent == null) {

-                // TODO panic
+                throw new IllegalStateException("Parent folder of the target path does not exist!!");

             }
             
             /// 1. get all the descendants of the moved element in a single QUERY
             }
             
             /// 1. get all the descendants of the moved element in a single QUERY


@@ -717,6 +647,8 @@ public class FileDataStorageManager {
             ArrayList<ContentProviderOperation> operations = 
                     new ArrayList<ContentProviderOperation>(c.getCount());
             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
             ArrayList<ContentProviderOperation> operations = 
                     new ArrayList<ContentProviderOperation>(c.getCount());
             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);

+            List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
+            List<String> newPathsToTriggerMediaScan = new ArrayList<String>();

             if (c.moveToFirst()) {
                 int lengthOfOldPath = file.getRemotePath().length();
                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
             if (c.moveToFirst()) {
                 int lengthOfOldPath = file.getRemotePath().length();
                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;


@@ -730,11 +662,14 @@ public class FileDataStorageManager {
                     if (child.getStoragePath() != null && 
                             child.getStoragePath().startsWith(defaultSavePath)) {
                         // update link to downloaded content - but local move is not done here!
                     if (child.getStoragePath() != null && 
                             child.getStoragePath().startsWith(defaultSavePath)) {
                         // update link to downloaded content - but local move is not done here!

-                        cv.put(
-                            ProviderTableMeta.FILE_STORAGE_PATH, 
-                            defaultSavePath + targetPath + 
-                                child.getStoragePath().substring(lengthOfOldStoragePath)
-                        );
+                        String targetLocalPath = defaultSavePath + targetPath + 
+                                child.getStoragePath().substring(lengthOfOldStoragePath);
+                        
+                        cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
+                        
+                        originalPathsToTriggerMediaScan.add(child.getStoragePath());
+                        newPathsToTriggerMediaScan.add(targetLocalPath);
+                        

                     }
                     if (child.getRemotePath().equals(file.getRemotePath())) {
                         cv.put(
                     }
                     if (child.getRemotePath().equals(file.getRemotePath())) {
                         cv.put(


@@ -765,33 +700,41 @@ public class FileDataStorageManager {
                 }
 
             } catch (Exception e) {
                 }
 
             } catch (Exception e) {

-                Log_OC.e(
-                    TAG, 
-                    "Fail to update " + file.getFileId() + " and descendants in database", 
-                    e
-                );
+                Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);

             }
 
             /// 4. move in local file system 
             }
 
             /// 4. move in local file system 

-            String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
-            File localFile = new File(localPath);
+            String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
+            String targetLocalPath = defaultSavePath + targetPath;
+            File localFile = new File(originalLocalPath);

             boolean renamed = false;
             if (localFile.exists()) {
             boolean renamed = false;
             if (localFile.exists()) {

-                File targetFile = new File(defaultSavePath + targetPath);
+                File targetFile = new File(targetLocalPath);

                 File targetFolder = targetFile.getParentFile();
                 if (!targetFolder.exists()) {
                     targetFolder.mkdirs();
                 }
                 renamed = localFile.renameTo(targetFile);
             }
                 File targetFolder = targetFile.getParentFile();
                 if (!targetFolder.exists()) {
                     targetFolder.mkdirs();
                 }
                 renamed = localFile.renameTo(targetFile);
             }

-            Log_OC.d(TAG, "Local file RENAMED : " + renamed);
-            
+
+            if (renamed) {
+                Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
+                while (it.hasNext()) {
+                    // Notify MediaScanner about removed file
+                    deleteFileInMediaScan(it.next());
+                }
+                it = newPathsToTriggerMediaScan.iterator();
+                while (it.hasNext()) {
+                    // Notify MediaScanner about new file/folder
+                    triggerMediaScan(it.next());
+                }
+            }

         }
         
     }
     
     
         }
         
     }
     
     

-    private Vector<OCFile> getFolderContent(long parentId) {
+    private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {

 
         Vector<OCFile> ret = new Vector<OCFile>();
 
 
         Vector<OCFile> ret = new Vector<OCFile>();
 


@@ -818,7 +761,10 @@ public class FileDataStorageManager {
         if (c.moveToFirst()) {
             do {
                 OCFile child = createFileInstance(c);
         if (c.moveToFirst()) {
             do {
                 OCFile child = createFileInstance(c);

-                ret.add(child);
+                // TODO Enable when "On Device" is recovered ?
+                // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
+                    ret.add(child);
+                // }

             } while (c.moveToNext());
         }
 
             } while (c.moveToNext());
         }
 


@@ -941,6 +887,8 @@ public class FileDataStorageManager {
             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
             file.setNeedsUpdateThumbnail(c.getInt(
                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
             file.setNeedsUpdateThumbnail(c.getInt(
                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);

+            file.setDownloading(c.getInt(
+                    c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);

                     
         }
         return file;
                     
         }
         return file;


@@ -1323,6 +1271,10 @@ public class FileDataStorageManager {
                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL, 
                     file.needsUpdateThumbnail() ? 1 : 0
                 );
                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL, 
                     file.needsUpdateThumbnail() ? 1 : 0
                 );

+                cv.put(
+                        ProviderTableMeta.FILE_IS_DOWNLOADING,
+                        file.isDownloading() ? 1 : 0
+                );

 
                 boolean existsByPath = fileExists(file.getRemotePath());
                 if (existsByPath || fileExists(file.getFileId())) {
 
                 boolean existsByPath = fileExists(file.getRemotePath());
                 if (existsByPath || fileExists(file.getFileId())) {


@@ -1401,7 +1353,7 @@ public class FileDataStorageManager {
                 path = path + FileUtils.PATH_SEPARATOR;
             }           
 
                 path = path + FileUtils.PATH_SEPARATOR;
             }           
 

-            // Update OCFile with data from share: ShareByLink  ¿and publicLink?
+            // Update OCFile with data from share: ShareByLink  and publicLink

             OCFile file = getFileByPath(path);
             if (file != null) {
                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
             OCFile file = getFileByPath(path);
             if (file != null) {
                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {


@@ -1489,14 +1441,14 @@ public class FileDataStorageManager {
     }
 
     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
     }
 
     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(

-            OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
-            ) {
+            OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {

         if (folder != null) {
             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " 
                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
             String [] whereArgs = new String[]{ "", mAccount.name };
         if (folder != null) {
             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " 
                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
             String [] whereArgs = new String[]{ "", mAccount.name };

-            
-            Vector<OCFile> files = getFolderContent(folder);
+
+            // TODO Enable when "On Device" is recovered ?
+            Vector<OCFile> files = getFolderContent(folder /*, false*/);

             
             for (OCFile file : files) {
                 whereArgs[0] = file.getRemotePath();
             
             for (OCFile file : files) {
                 whereArgs[0] = file.getRemotePath();


@@ -1548,4 +1500,52 @@ public class FileDataStorageManager {
         //}
     }
 
         //}
     }
 

+    public void triggerMediaScan(String path) {
+        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+        intent.setData(Uri.fromFile(new File(path)));
+        MainApp.getAppContext().sendBroadcast(intent);
+    }
+
+    public void deleteFileInMediaScan(String path) {
+
+        String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
+        ContentResolver contentResolver = getContentResolver();
+
+        if (contentResolver != null) {
+            if (mimetypeString.startsWith("image/")) {
+                // Images
+                contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+                        MediaStore.Images.Media.DATA + "=?", new String[]{path});
+            } else if (mimetypeString.startsWith("audio/")) {
+                // Audio
+                contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
+                        MediaStore.Audio.Media.DATA + "=?", new String[]{path});
+            } else if (mimetypeString.startsWith("video/")) {
+                // Video
+                contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
+                        MediaStore.Video.Media.DATA + "=?", new String[]{path});
+            }
+        } else {
+            ContentProviderClient contentProviderClient = getContentProviderClient();
+            try {
+                if (mimetypeString.startsWith("image/")) {
+                    // Images
+                    contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
+                            MediaStore.Images.Media.DATA + "=?", new String[]{path});
+                } else if (mimetypeString.startsWith("audio/")) {
+                    // Audio
+                    contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
+                            MediaStore.Audio.Media.DATA + "=?", new String[]{path});
+                } else if (mimetypeString.startsWith("video/")) {
+                    // Video
+                    contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
+                            MediaStore.Video.Media.DATA + "=?", new String[]{path});
+                }
+            } catch (RemoteException e) {
+                Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
+            }
+        }
+
+    }
+

 }
 }