X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/99d52af203f63a5dd3d43626f569ac88c5ac9b14..1b3c3a3ece9619d6010d3e2490e7067b392b1b47:/src/com/owncloud/android/syncadapter/FileSyncAdapter.java?ds=sidebyside
diff --git a/src/com/owncloud/android/syncadapter/FileSyncAdapter.java b/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
index 1a3afe61..8653fe78 100644
--- a/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
+++ b/src/com/owncloud/android/syncadapter/FileSyncAdapter.java
@@ -1,301 +1,398 @@
-/* ownCloud Android client application
- *   Copyright (C) 2011  Bartek Przybylski
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program.  If not, see .
- *
- */
-
-package com.owncloud.android.syncadapter;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.Vector;
-
-import org.apache.jackrabbit.webdav.DavException;
-import org.apache.jackrabbit.webdav.MultiStatus;
-import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
-
-import com.owncloud.android.datamodel.FileDataStorageManager;
-import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.files.services.FileDownloader;
-
-import android.accounts.Account;
-import android.accounts.AuthenticatorException;
-import android.accounts.OperationCanceledException;
-import android.content.ContentProviderClient;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SyncResult;
-import android.os.Bundle;
-import android.util.Log;
-import eu.alefzero.webdav.WebdavEntry;
-import eu.alefzero.webdav.WebdavUtils;
-
-/**
- * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
- * platform ContactOperations provider.
- * 
- * @author Bartek Przybylski
- */
-public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
-
-    private final static String TAG = "FileSyncAdapter"; 
-    
-    /*  Commented code for ugly performance tests
-    private final static int MAX_DELAYS = 100;
-    private static long[] mResponseDelays = new long[MAX_DELAYS]; 
-    private static long[] mSaveDelays = new long[MAX_DELAYS];
-    private int mDelaysIndex = 0;
-    private int mDelaysCount = 0;
-    */
-    
-    private long mCurrentSyncTime;
-    private boolean mCancellation;
-    private Account mAccount;
-    
-    public FileSyncAdapter(Context context, boolean autoInitialize) {
-        super(context, autoInitialize);
-    }
-
-    @Override
-    public synchronized void onPerformSync(Account account, Bundle extras,
-            String authority, ContentProviderClient provider,
-            SyncResult syncResult) {
-
-        mCancellation = false;
-        mAccount = account;
-        
-        this.setAccount(mAccount);
-        this.setContentProvider(provider);
-        this.setStorageManager(new FileDataStorageManager(mAccount,
-                getContentProvider()));
-        
-        /*  Commented code for ugly performance tests
-        mDelaysIndex = 0;
-        mDelaysCount = 0;
-        */
-        
-        
-        Log.d(TAG, "syncing owncloud account " + mAccount.name);
-
-        sendStickyBroadcast(true, null);  // message to signal the start to the UI
-
-        PropFindMethod query = null;
-        try {
-            mCurrentSyncTime = System.currentTimeMillis();
-            query = new PropFindMethod(getUri().toString() + "/");
-            getClient().executeMethod(query);
-            MultiStatus resp = null;
-            resp = query.getResponseBodyAsMultiStatus();
-
-            if (resp.getResponses().length > 0) {
-                WebdavEntry we = new WebdavEntry(resp.getResponses()[0], getUri().getPath());
-                OCFile file = fillOCFile(we);
-                file.setParentId(0);
-                getStorageManager().saveFile(file);
-                if (!mCancellation) {
-                    fetchData(getUri().toString(), syncResult, file.getFileId());
-                }
-            }
-        } catch (OperationCanceledException e) {
-            e.printStackTrace();
-        } catch (AuthenticatorException e) {
-            syncResult.stats.numAuthExceptions++;
-            e.printStackTrace();
-        } catch (IOException e) {
-            syncResult.stats.numIoExceptions++;
-            e.printStackTrace();
-        } catch (DavException e) {
-            syncResult.stats.numIoExceptions++;
-            e.printStackTrace();
-        } catch (Throwable t) {
-            // TODO update syncResult
-            Log.e(TAG, "problem while synchronizing owncloud account " + account.name, t);
-            t.printStackTrace();
-            
-        } finally {
-            if (query != null)
-                query.releaseConnection();  // let the connection available for other methods
-        }
-        
-        /*  Commented code for ugly performance tests
-        long sum = 0, mean = 0, max = 0, min = Long.MAX_VALUE;
-        for (int i=0; i updatedFiles = new Vector(resp.getResponses().length - 1);
-            for (int i = 1; i < resp.getResponses().length; ++i) {
-                WebdavEntry we = new WebdavEntry(resp.getResponses()[i], getUri().getPath());
-                OCFile file = fillOCFile(we);
-                file.setParentId(parentId);
-                if (getStorageManager().getFileByPath(file.getRemotePath()) != null &&
-                    getStorageManager().getFileByPath(file.getRemotePath()).keepInSync() &&
-                    file.getModificationTimestamp() > getStorageManager().getFileByPath(file.getRemotePath())
-                                                                         .getModificationTimestamp()) {
-                    Intent intent = new Intent(this.getContext(), FileDownloader.class);
-                    intent.putExtra(FileDownloader.EXTRA_ACCOUNT, getAccount());
-                    intent.putExtra(FileDownloader.EXTRA_FILE_PATH, file.getRemotePath());
-                    intent.putExtra(FileDownloader.EXTRA_REMOTE_PATH, file.getRemotePath());
-                    intent.putExtra(FileDownloader.EXTRA_FILE_SIZE, file.getFileLength());
-                    file.setKeepInSync(true);
-                    getContext().startService(intent);
-                }
-                if (getStorageManager().getFileByPath(file.getRemotePath()) != null)
-                    file.setKeepInSync(getStorageManager().getFileByPath(file.getRemotePath()).keepInSync());
-                
-                //Log.v(TAG, "adding file: " + file);
-                updatedFiles.add(file);
-                if (parentId == 0)
-                    parentId = file.getFileId();
-            }
-            /*  Commented code for ugly performance tests
-            long saveDelay = System.currentTimeMillis();
-            */            
-            getStorageManager().saveFiles(updatedFiles);    // all "at once" ; trying to get a best performance in database update
-            /*  Commented code for ugly performance tests
-            saveDelay = System.currentTimeMillis() - saveDelay;
-            Log.e(TAG, "syncing: SAVE TIME for " + uri + " contents, " + mSaveDelays[mDelaysIndex] + "ms");
-            */
-            
-            // removal of obsolete files
-            Vector files = getStorageManager().getDirectoryContent(
-                    getStorageManager().getFileById(parentId));
-            OCFile file;
-            for (int i=0; i < files.size(); ) {
-                file = files.get(i);
-                if (file.getLastSyncDate() != mCurrentSyncTime) {
-                    Log.v(TAG, "removing file: " + file);
-                    getStorageManager().removeFile(file);
-                    files.remove(i);
-                } else {
-                    i++;
-                }
-            }
-            
-            // synchronized folder -> notice to UI
-            sendStickyBroadcast(true, getStorageManager().getFileById(parentId).getRemotePath());
-
-            // recursive fetch
-            for (int i=0; i < files.size() && !mCancellation; i++) {
-                OCFile newFile = files.get(i);
-                if (newFile.getMimetype().equals("DIR")) {
-                    fetchData(getUri().toString() + WebdavUtils.encodePath(newFile.getRemotePath()), syncResult, newFile.getFileId());
-                }
-            }
-            if (mCancellation) Log.d(TAG, "Leaving " + uri + " because cancelation request");
-                
-            /*  Commented code for ugly performance tests
-            mResponseDelays[mDelaysIndex] = responseDelay;
-            mSaveDelays[mDelaysIndex] = saveDelay;
-            mDelaysCount++;
-            mDelaysIndex++;
-            if (mDelaysIndex >= MAX_DELAYS)
-                mDelaysIndex = 0;
-             */
-
-        } catch (OperationCanceledException e) {
-            e.printStackTrace();
-        } catch (AuthenticatorException e) {
-            syncResult.stats.numAuthExceptions++;
-            e.printStackTrace();
-        } catch (IOException e) {
-            syncResult.stats.numIoExceptions++;
-            e.printStackTrace();
-        } catch (DavException e) {
-            syncResult.stats.numIoExceptions++;
-            e.printStackTrace();
-        } catch (Throwable t) {
-            // TODO update syncResult
-            Log.e(TAG, "problem while synchronizing owncloud account " + mAccount.name, t);
-            t.printStackTrace();
-            
-        } finally {
-            if (query != null)
-                query.releaseConnection();  // let the connection available for other methods
-        }
-    }
-
-    private OCFile fillOCFile(WebdavEntry we) {
-        OCFile file = new OCFile(we.decodedPath());
-        file.setCreationTimestamp(we.createTimestamp());
-        file.setFileLength(we.contentLength());
-        file.setMimetype(we.contentType());
-        file.setModificationTimestamp(we.modifiedTimesamp());
-        file.setLastSyncDate(mCurrentSyncTime);
-        return file;
-    }
-    
-    
-    private void sendStickyBroadcast(boolean inProgress, String dirRemotePath) {
-        Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
-        i.putExtra(FileSyncService.IN_PROGRESS, inProgress);
-        i.putExtra(FileSyncService.ACCOUNT_NAME, getAccount().name);
-        if (dirRemotePath != null) {
-            i.putExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH, dirRemotePath);
-        }
-        getContext().sendStickyBroadcast(i);
-    }
-    
-    /**
-     * Called by system SyncManager when a synchronization is required to be cancelled.
-     * 
-     * Sets the mCancellation flag to 'true'. THe synchronization will be stopped when before a new folder is fetched. Data of the last folder
-     * fetched will be still saved in the database. See onPerformSync implementation.
-     */
-    @Override
-    public void onSyncCanceled() {
-        Log.d(TAG, "Synchronization of " + mAccount.name + " has been requested to cancell");
-        mCancellation = true;
-        super.onSyncCanceled();
-    }
-
-}
+/* ownCloud Android client application
+ *   Copyright (C) 2011  Bartek Przybylski
+ *   Copyright (C) 2012-2013 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,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see .
+ *
+ */
+
+package com.owncloud.android.syncadapter;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.jackrabbit.webdav.DavException;
+
+import com.owncloud.android.Log_OC;
+import com.owncloud.android.R;
+import com.owncloud.android.authentication.AuthenticatorActivity;
+import com.owncloud.android.datamodel.DataStorageManager;
+import com.owncloud.android.datamodel.FileDataStorageManager;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.operations.RemoteOperationResult;
+import com.owncloud.android.operations.SynchronizeFolderOperation;
+import com.owncloud.android.operations.UpdateOCVersionOperation;
+import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
+import com.owncloud.android.ui.activity.ErrorsWhileCopyingHandlerActivity;
+import com.owncloud.android.utils.FileStorageUtils;
+
+import android.accounts.Account;
+import android.accounts.AccountsException;
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.ContentProviderClient;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SyncResult;
+import android.os.Bundle;
+
+/**
+ * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
+ * platform ContactOperations provider.
+ * 
+ * @author Bartek Przybylski
+ * @author David A. Velasco
+ */
+public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
+
+    private final static String TAG = "FileSyncAdapter";
+
+    /** 
+     * Maximum number of failed folder synchronizations that are supported before finishing the synchronization operation
+     */
+    private static final int MAX_FAILED_RESULTS = 3; 
+    
+    private long mCurrentSyncTime;
+    private boolean mCancellation;
+    private boolean mIsManualSync;
+    private int mFailedResultsCounter;    
+    private RemoteOperationResult mLastFailedResult;
+    private SyncResult mSyncResult;
+    private int mConflictsFound;
+    private int mFailsInFavouritesFound;
+    private Map mForgottenLocalFiles;
+
+    
+    public FileSyncAdapter(Context context, boolean autoInitialize) {
+        super(context, autoInitialize);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public synchronized void onPerformSync(Account account, Bundle extras,
+            String authority, ContentProviderClient provider,
+            SyncResult syncResult) {
+
+        mCancellation = false;
+        mIsManualSync = extras.getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false);
+        mFailedResultsCounter = 0;
+        mLastFailedResult = null;
+        mConflictsFound = 0;
+        mFailsInFavouritesFound = 0;
+        mForgottenLocalFiles = new HashMap();
+        mSyncResult = syncResult;
+        mSyncResult.fullSyncRequested = false;
+        mSyncResult.delayUntil = 60*60*24; // sync after 24h
+
+        this.setAccount(account);
+        this.setContentProvider(provider);
+        this.setStorageManager(new FileDataStorageManager(account, getContentProvider()));
+        try {
+            this.initClientForCurrentAccount();
+        } catch (IOException e) {
+            /// the account is unknown for the Synchronization Manager, or unreachable for this context; don't try this again
+            mSyncResult.tooManyRetries = true;
+            notifyFailedSynchronization();
+            return;
+        } catch (AccountsException e) {
+            /// the account is unknown for the Synchronization Manager, or unreachable for this context; don't try this again
+            mSyncResult.tooManyRetries = true;
+            notifyFailedSynchronization();
+            return;
+        }
+        
+        Log_OC.d(TAG, "Synchronization of ownCloud account " + account.name + " starting");
+        sendStickyBroadcast(true, null, null);  // message to signal the start of the synchronization to the UI
+        
+        try {
+            updateOCVersion();
+            mCurrentSyncTime = System.currentTimeMillis();
+            if (!mCancellation) {
+                fetchData(OCFile.PATH_SEPARATOR, DataStorageManager.ROOT_PARENT_ID);
+                
+            } else {
+                Log_OC.d(TAG, "Leaving synchronization before any remote request due to cancellation was requested");
+            }
+            
+            
+        } finally {
+            // it's important making this although very unexpected errors occur; that's the reason for the finally
+            
+            if (mFailedResultsCounter > 0 && mIsManualSync) {
+                /// don't let the system synchronization manager retries MANUAL synchronizations
+                //      (be careful: "MANUAL" currently includes the synchronization requested when a new account is created and when the user changes the current account)
+                mSyncResult.tooManyRetries = true;
+                
+                /// notify the user about the failure of MANUAL synchronization
+                notifyFailedSynchronization();
+                
+            }
+            if (mConflictsFound > 0 || mFailsInFavouritesFound > 0) {
+                notifyFailsInFavourites();
+            }
+            if (mForgottenLocalFiles.size() > 0) {
+                notifyForgottenLocalFiles();
+                
+            }
+            sendStickyBroadcast(false, null, mLastFailedResult);        // message to signal the end to the UI
+        }
+        
+    }
+    
+    /**
+     * Called by system SyncManager when a synchronization is required to be cancelled.
+     * 
+     * Sets the mCancellation flag to 'true'. THe synchronization will be stopped when before a new folder is fetched. Data of the last folder
+     * fetched will be still saved in the database. See onPerformSync implementation.
+     */
+    @Override
+    public void onSyncCanceled() {
+        Log_OC.d(TAG, "Synchronization of " + getAccount().name + " has been requested to cancel");
+        mCancellation = true;
+        super.onSyncCanceled();
+    }
+    
+    
+    /**
+     * Updates the locally stored version value of the ownCloud server
+     */
+    private void updateOCVersion() {
+        UpdateOCVersionOperation update = new UpdateOCVersionOperation(getAccount(), getContext());
+        RemoteOperationResult result = update.execute(getClient());
+        if (!result.isSuccess()) {
+            mLastFailedResult = result; 
+        }
+    }
+    
+    
+    /**
+     * Synchronize the properties of files and folders contained in a remote folder given by remotePath.
+     * 
+     * @param remotePath        Remote path to the folder to synchronize.
+     * @param parentId          Database Id of the folder to synchronize.
+     */
+    private void fetchData(String remotePath, long parentId) {
+        
+        if (mFailedResultsCounter > MAX_FAILED_RESULTS || isFinisher(mLastFailedResult))
+            return;
+        
+        // perform folder synchronization
+        SynchronizeFolderOperation synchFolderOp = new SynchronizeFolderOperation(  remotePath, 
+                                                                                    mCurrentSyncTime, 
+                                                                                    parentId, 
+                                                                                    getStorageManager(), 
+                                                                                    getAccount(), 
+                                                                                    getContext()
+                                                                                  );
+        RemoteOperationResult result = synchFolderOp.execute(getClient());
+        
+        
+        // synchronized folder -> notice to UI - ALWAYS, although !result.isSuccess
+        sendStickyBroadcast(true, remotePath, null);
+        
+        if (result.isSuccess() || result.getCode() == ResultCode.SYNC_CONFLICT) {
+            
+            if (result.getCode() == ResultCode.SYNC_CONFLICT) {
+                mConflictsFound += synchFolderOp.getConflictsFound();
+                mFailsInFavouritesFound += synchFolderOp.getFailsInFavouritesFound();
+            }
+            if (synchFolderOp.getForgottenLocalFiles().size() > 0) {
+                mForgottenLocalFiles.putAll(synchFolderOp.getForgottenLocalFiles());
+            }
+            // synchronize children folders 
+            List children = synchFolderOp.getChildren();
+            fetchChildren(children);    // beware of the 'hidden' recursion here!
+            
+            sendStickyBroadcast(true, remotePath, null);
+            
+        } else {
+            if (result.getCode() == RemoteOperationResult.ResultCode.UNAUTHORIZED) {
+                mSyncResult.stats.numAuthExceptions++;
+                
+            } else if (result.getException() instanceof DavException) {
+                mSyncResult.stats.numParseExceptions++;
+                
+            } else if (result.getException() instanceof IOException) { 
+                mSyncResult.stats.numIoExceptions++;
+            }
+            mFailedResultsCounter++;
+            mLastFailedResult = result;
+        }
+            
+    }
+
+    /**
+     * Checks if a failed result should terminate the synchronization process immediately, according to
+     * OUR OWN POLICY
+     * 
+     * @param   failedResult        Remote operation result to check.
+     * @return                      'True' if the result should immediately finish the synchronization
+     */
+    private boolean isFinisher(RemoteOperationResult failedResult) {
+        if  (failedResult != null) {
+            RemoteOperationResult.ResultCode code = failedResult.getCode();
+            return (code.equals(RemoteOperationResult.ResultCode.SSL_ERROR) ||
+                    code.equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) ||
+                    code.equals(RemoteOperationResult.ResultCode.BAD_OC_VERSION) ||
+                    code.equals(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED));
+        }
+        return false;
+    }
+
+    /**
+     * Synchronize data of folders in the list of received files
+     * 
+     * @param files         Files to recursively fetch 
+     */
+    private void fetchChildren(List files) {
+        int i;
+        for (i=0; i < files.size() && !mCancellation; i++) {
+            OCFile newFile = files.get(i);
+            if (newFile.isDirectory()) {
+                fetchData(newFile.getRemotePath(), newFile.getFileId());
+                
+                // Update folder size on DB
+                getStorageManager().calculateFolderSize(newFile.getFileId());                   
+            }
+        }
+       
+        if (mCancellation && i  0) {
+            Notification notification = new Notification(R.drawable.icon, getContext().getString(R.string.sync_fail_in_favourites_ticker), System.currentTimeMillis());
+            notification.flags |= Notification.FLAG_AUTO_CANCEL;
+            // TODO put something smart in the contentIntent below
+            notification.contentIntent = PendingIntent.getActivity(getContext().getApplicationContext(), (int)System.currentTimeMillis(), new Intent(), 0);
+            notification.setLatestEventInfo(getContext().getApplicationContext(), 
+                                            getContext().getString(R.string.sync_fail_in_favourites_ticker), 
+                                            String.format(getContext().getString(R.string.sync_fail_in_favourites_content), mFailedResultsCounter + mConflictsFound, mConflictsFound), 
+                                            notification.contentIntent);
+            ((NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE)).notify(R.string.sync_fail_in_favourites_ticker, notification);
+            
+        } else {
+            Notification notification = new Notification(R.drawable.icon, getContext().getString(R.string.sync_conflicts_in_favourites_ticker), System.currentTimeMillis());
+            notification.flags |= Notification.FLAG_AUTO_CANCEL;
+            // TODO put something smart in the contentIntent below
+            notification.contentIntent = PendingIntent.getActivity(getContext().getApplicationContext(), (int)System.currentTimeMillis(), new Intent(), 0);
+            notification.setLatestEventInfo(getContext().getApplicationContext(), 
+                                            getContext().getString(R.string.sync_conflicts_in_favourites_ticker), 
+                                            String.format(getContext().getString(R.string.sync_conflicts_in_favourites_content), mConflictsFound), 
+                                            notification.contentIntent);
+            ((NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE)).notify(R.string.sync_conflicts_in_favourites_ticker, notification);
+        } 
+    }
+    
+    /**
+     * Notifies the user about local copies of files out of the ownCloud local directory that were 'forgotten' because 
+     * copying them inside the ownCloud local directory was not possible.
+     * 
+     * We don't want links to files out of the ownCloud local directory (foreign files) anymore. It's easy to have 
+     * synchronization problems if a local file is linked to more than one remote file.
+     * 
+     * We won't consider a synchronization as failed when foreign files can not be copied to the ownCloud local directory.
+     */
+    private void notifyForgottenLocalFiles() {
+        Notification notification = new Notification(R.drawable.icon, getContext().getString(R.string.sync_foreign_files_forgotten_ticker), System.currentTimeMillis());
+        notification.flags |= Notification.FLAG_AUTO_CANCEL;
+
+        /// includes a pending intent in the notification showing a more detailed explanation
+        Intent explanationIntent = new Intent(getContext(), ErrorsWhileCopyingHandlerActivity.class);
+        explanationIntent.putExtra(ErrorsWhileCopyingHandlerActivity.EXTRA_ACCOUNT, getAccount());
+        ArrayList remotePaths = new ArrayList();
+        ArrayList localPaths = new ArrayList();
+        remotePaths.addAll(mForgottenLocalFiles.keySet());
+        localPaths.addAll(mForgottenLocalFiles.values());
+        explanationIntent.putExtra(ErrorsWhileCopyingHandlerActivity.EXTRA_LOCAL_PATHS, localPaths);
+        explanationIntent.putExtra(ErrorsWhileCopyingHandlerActivity.EXTRA_REMOTE_PATHS, remotePaths);  
+        explanationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        
+        notification.contentIntent = PendingIntent.getActivity(getContext().getApplicationContext(), (int)System.currentTimeMillis(), explanationIntent, 0);
+        notification.setLatestEventInfo(getContext().getApplicationContext(), 
+                                        getContext().getString(R.string.sync_foreign_files_forgotten_ticker), 
+                                        String.format(getContext().getString(R.string.sync_foreign_files_forgotten_content), mForgottenLocalFiles.size(), getContext().getString(R.string.app_name)), 
+                                        notification.contentIntent);
+        ((NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE)).notify(R.string.sync_foreign_files_forgotten_ticker, notification);
+        
+    }
+    
+    
+}