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Merge pull request #152 from owncloud/oauth_login
[pub/Android/ownCloud.git] / src / com / owncloud / android / files / services / FileUploader.java
diff --git a/src/com/owncloud/android/files/services/FileUploader.java b/src/com/owncloud/android/files/services/FileUploader.java
index 524f4c1..7866098 100644 (file)
--- a/src/com/owncloud/android/files/services/FileUploader.java
+++ b/src/com/owncloud/android/files/services/FileUploader.java
@@ -1,10 +1,10 @@
 /* ownCloud Android client application
  *   Copyright (C) 2012 Bartek Przybylski
 /* ownCloud Android client application
  *   Copyright (C) 2012 Bartek Przybylski
+ *   Copyright (C) 2012-2013 ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
  *
  *   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.
+ *   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
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -21,7 +21,9 @@ package com.owncloud.android.files.services;
 import java.io.File;
 import java.io.IOException;
 import java.util.AbstractList;
 import java.io.File;
 import java.io.IOException;
 import java.util.AbstractList;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Iterator;
+import java.util.Map;
 import java.util.Vector;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.Vector;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
@@ -30,10 +32,10 @@ import org.apache.http.HttpStatus;
 import org.apache.jackrabbit.webdav.MultiStatus;
 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
 
 import org.apache.jackrabbit.webdav.MultiStatus;
 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
 
-import com.owncloud.android.authenticator.AccountAuthenticator;
+import com.owncloud.android.authentication.AccountAuthenticator;
+import com.owncloud.android.authentication.AuthenticatorActivity;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.files.InstantUploadBroadcastReceiver;
 import com.owncloud.android.operations.ChunkedUploadFileOperation;
 import com.owncloud.android.operations.CreateFolderOperation;
 import com.owncloud.android.operations.RemoteOperation;
 import com.owncloud.android.operations.ChunkedUploadFileOperation;
 import com.owncloud.android.operations.CreateFolderOperation;
 import com.owncloud.android.operations.RemoteOperation;
@@ -65,11 +67,18 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
-import android.util.Log;
 import android.webkit.MimeTypeMap;
 import android.widget.RemoteViews;
 
 import android.webkit.MimeTypeMap;
 import android.widget.RemoteViews;
 
+import com.owncloud.android.Log_OC;
 import com.owncloud.android.R;
 import com.owncloud.android.R;
+import com.owncloud.android.db.DbHandler;
+import com.owncloud.android.ui.activity.FailedUploadActivity;
+import com.owncloud.android.ui.activity.InstantUploadActivity;
+import com.owncloud.android.ui.preview.PreviewImageActivity;
+import com.owncloud.android.ui.preview.PreviewImageFragment;
+import com.owncloud.android.utils.FileStorageUtils;
+
 import eu.alefzero.webdav.WebdavClient;
 
 public class FileUploader extends Service implements OnDatatransferProgressListener {
 import eu.alefzero.webdav.WebdavClient;
 
 public class FileUploader extends Service implements OnDatatransferProgressListener {
@@ -79,20 +88,20 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
     public static final String EXTRA_OLD_FILE_PATH = "OLD_FILE_PATH";
     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
     public static final String EXTRA_OLD_REMOTE_PATH = "OLD_REMOTE_PATH";
     public static final String EXTRA_OLD_FILE_PATH = "OLD_FILE_PATH";
-    public static final String ACCOUNT_NAME = "ACCOUNT_NAME";    
-    
+    public static final String ACCOUNT_NAME = "ACCOUNT_NAME";
+
     public static final String KEY_FILE = "FILE";
     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
     public static final String KEY_MIME_TYPE = "MIME_TYPE";
 
     public static final String KEY_ACCOUNT = "ACCOUNT";
     public static final String KEY_FILE = "FILE";
     public static final String KEY_LOCAL_FILE = "LOCAL_FILE";
     public static final String KEY_REMOTE_FILE = "REMOTE_FILE";
     public static final String KEY_MIME_TYPE = "MIME_TYPE";
 
     public static final String KEY_ACCOUNT = "ACCOUNT";
-    
+
     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
     public static final String KEY_LOCAL_BEHAVIOUR = "BEHAVIOUR";
     public static final String KEY_UPLOAD_TYPE = "UPLOAD_TYPE";
     public static final String KEY_FORCE_OVERWRITE = "KEY_FORCE_OVERWRITE";
     public static final String KEY_INSTANT_UPLOAD = "INSTANT_UPLOAD";
     public static final String KEY_LOCAL_BEHAVIOUR = "BEHAVIOUR";
-    
+
     public static final int LOCAL_BEHAVIOUR_COPY = 0;
     public static final int LOCAL_BEHAVIOUR_MOVE = 1;
     public static final int LOCAL_BEHAVIOUR_FORGET = 2;
     public static final int LOCAL_BEHAVIOUR_COPY = 0;
     public static final int LOCAL_BEHAVIOUR_MOVE = 1;
     public static final int LOCAL_BEHAVIOUR_FORGET = 2;
@@ -101,7 +110,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
     public static final int UPLOAD_MULTIPLE_FILES = 1;
 
     private static final String TAG = FileUploader.class.getSimpleName();
     public static final int UPLOAD_MULTIPLE_FILES = 1;
 
     private static final String TAG = FileUploader.class.getSimpleName();
-    
+
     private Looper mServiceLooper;
     private ServiceHandler mServiceHandler;
     private IBinder mBinder;
     private Looper mServiceLooper;
     private ServiceHandler mServiceHandler;
     private IBinder mBinder;
@@ -111,18 +120,17 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
 
     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
     private UploadFileOperation mCurrentUpload = null;
 
     private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
     private UploadFileOperation mCurrentUpload = null;
-    
+
     private NotificationManager mNotificationManager;
     private Notification mNotification;
     private int mLastPercent;
     private RemoteViews mDefaultNotificationContentView;
     private NotificationManager mNotificationManager;
     private Notification mNotification;
     private int mLastPercent;
     private RemoteViews mDefaultNotificationContentView;
-    
-    
+
     /**
      * Builds a key for mPendingUploads from the account and file to upload
      * 
     /**
      * Builds a key for mPendingUploads from the account and file to upload
      * 
-     * @param account   Account where the file to download is stored
-     * @param file      File to download
+     * @param account   Account where the file to upload is stored
+     * @param file      File to upload
      */
     private String buildRemoteName(Account account, OCFile file) {
         return account.name + file.getRemotePath();
      */
     private String buildRemoteName(Account account, OCFile file) {
         return account.name + file.getRemotePath();
@@ -132,72 +140,77 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         return account.name + remotePath;
     }
 
         return account.name + remotePath;
     }
 
-    
     /**
      * Checks if an ownCloud server version should support chunked uploads.
      * 
     /**
      * Checks if an ownCloud server version should support chunked uploads.
      * 
-     * @param version   OwnCloud version instance corresponding to an ownCloud server.
-     * @return          'True' if the ownCloud server with version supports chunked uploads.
+     * @param version OwnCloud version instance corresponding to an ownCloud
+     *            server.
+     * @return 'True' if the ownCloud server with version supports chunked
+     *         uploads.
      */
     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
     }
 
      */
     private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
         return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);
     }
 
-    
-
     /**
      * Service initialization
      */
     @Override
     public void onCreate() {
         super.onCreate();
     /**
      * Service initialization
      */
     @Override
     public void onCreate() {
         super.onCreate();
+        Log_OC.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        HandlerThread thread = new HandlerThread("FileUploaderThread",
-                Process.THREAD_PRIORITY_BACKGROUND);
+        HandlerThread thread = new HandlerThread("FileUploaderThread", Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
         mServiceLooper = thread.getLooper();
         mServiceHandler = new ServiceHandler(mServiceLooper, this);
         mBinder = new FileUploaderBinder();
     }
 
         thread.start();
         mServiceLooper = thread.getLooper();
         mServiceHandler = new ServiceHandler(mServiceLooper, this);
         mBinder = new FileUploaderBinder();
     }
 
-    
     /**
      * Entry point to add one or several files to the queue of uploads.
      * 
     /**
      * Entry point to add one or several files to the queue of uploads.
      * 
-     * New uploads are added calling to startService(), resulting in a call to this method. This ensures the service will keep on working 
-     * although the caller activity goes away.
+     * New uploads are added calling to startService(), resulting in a call to
+     * this method. This ensures the service will keep on working although the
+     * caller activity goes away.
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE) || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
-            Log.e(TAG, "Not enough information provided in intent");
+        if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE)
+                || !(intent.hasExtra(KEY_LOCAL_FILE) || intent.hasExtra(KEY_FILE))) {
+            Log_OC.e(TAG, "Not enough information provided in intent");
             return Service.START_NOT_STICKY;
         }
         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
         if (uploadType == -1) {
             return Service.START_NOT_STICKY;
         }
         int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
         if (uploadType == -1) {
-            Log.e(TAG, "Incorrect upload type provided");
+            Log_OC.e(TAG, "Incorrect upload type provided");
             return Service.START_NOT_STICKY;
         }
         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
             return Service.START_NOT_STICKY;
         }
         Account account = intent.getParcelableExtra(KEY_ACCOUNT);
-        
+
         String[] localPaths = null, remotePaths = null, mimeTypes = null;
         OCFile[] files = null;
         if (uploadType == UPLOAD_SINGLE_FILE) {
         String[] localPaths = null, remotePaths = null, mimeTypes = null;
         OCFile[] files = null;
         if (uploadType == UPLOAD_SINGLE_FILE) {
-            
+
             if (intent.hasExtra(KEY_FILE)) {
             if (intent.hasExtra(KEY_FILE)) {
-                files = new OCFile[] {intent.getParcelableExtra(KEY_FILE) };
-                
+                files = new OCFile[] { intent.getParcelableExtra(KEY_FILE) };
+
             } else {
                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
             }
             } else {
                 localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
                 remotePaths = new String[] { intent.getStringExtra(KEY_REMOTE_FILE) };
                 mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
             }
-            
+
         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
-            
+
             if (intent.hasExtra(KEY_FILE)) {
             if (intent.hasExtra(KEY_FILE)) {
-                files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE);    // TODO will this casting work fine?
-                
+                files = (OCFile[]) intent.getParcelableArrayExtra(KEY_FILE); // TODO
+                                                                             // will
+                                                                             // this
+                                                                             // casting
+                                                                             // work
+                                                                             // fine?
+
             } else {
                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
             } else {
                 localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
                 remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
@@ -206,107 +219,137 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         }
 
         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
         }
 
         FileDataStorageManager storageManager = new FileDataStorageManager(account, getContentResolver());
-        
+
         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
         int localAction = intent.getIntExtra(KEY_LOCAL_BEHAVIOUR, LOCAL_BEHAVIOUR_COPY);
         boolean fixed = false;
         if (isInstant) {
         boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
         boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false);
         int localAction = intent.getIntExtra(KEY_LOCAL_BEHAVIOUR, LOCAL_BEHAVIOUR_COPY);
         boolean fixed = false;
         if (isInstant) {
-            fixed = checkAndFixInstantUploadDirectory(storageManager);  // MUST be done BEFORE calling obtainNewOCFileToUpload
+            fixed = checkAndFixInstantUploadDirectory(storageManager); // MUST
+                                                                       // be
+                                                                       // done
+                                                                       // BEFORE
+                                                                       // calling
+                                                                       // obtainNewOCFileToUpload
         }
         }
-        
+
         if (intent.hasExtra(KEY_FILE) && files == null) {
         if (intent.hasExtra(KEY_FILE) && files == null) {
-            Log.e(TAG, "Incorrect array for OCFiles provided in upload intent");
+            Log_OC.e(TAG, "Incorrect array for OCFiles provided in upload intent");
             return Service.START_NOT_STICKY;
             return Service.START_NOT_STICKY;
-            
+
         } else if (!intent.hasExtra(KEY_FILE)) {
             if (localPaths == null) {
         } else if (!intent.hasExtra(KEY_FILE)) {
             if (localPaths == null) {
-                Log.e(TAG, "Incorrect array for local paths provided in upload intent");
+                Log_OC.e(TAG, "Incorrect array for local paths provided in upload intent");
                 return Service.START_NOT_STICKY;
             }
             if (remotePaths == null) {
                 return Service.START_NOT_STICKY;
             }
             if (remotePaths == null) {
-                Log.e(TAG, "Incorrect array for remote paths provided in upload intent");
+                Log_OC.e(TAG, "Incorrect array for remote paths provided in upload intent");
                 return Service.START_NOT_STICKY;
             }
             if (localPaths.length != remotePaths.length) {
                 return Service.START_NOT_STICKY;
             }
             if (localPaths.length != remotePaths.length) {
-                Log.e(TAG, "Different number of remote paths and local paths!");
+                Log_OC.e(TAG, "Different number of remote paths and local paths!");
                 return Service.START_NOT_STICKY;
             }
                 return Service.START_NOT_STICKY;
             }
-            
+
             files = new OCFile[localPaths.length];
             files = new OCFile[localPaths.length];
-            for (int i=0; i < localPaths.length; i++) {
-                files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes!=null)?mimeTypes[i]:(String)null), storageManager);
+            for (int i = 0; i < localPaths.length; i++) {
+                files[i] = obtainNewOCFileToUpload(remotePaths[i], localPaths[i], ((mimeTypes != null) ? mimeTypes[i]
+                        : (String) null), storageManager);
+                if (files[i] == null) {
+                    // TODO @andomaex add failure Notiification
+                    return Service.START_NOT_STICKY;
+                }
             }
         }
             }
         }
-            
-        OwnCloudVersion ocv = new OwnCloudVersion(AccountManager.get(this).getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
+
+        OwnCloudVersion ocv = new OwnCloudVersion(AccountManager.get(this).getUserData(account,
+                AccountAuthenticator.KEY_OC_VERSION));
         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
         AbstractList<String> requestedUploads = new Vector<String>();
         String uploadKey = null;
         UploadFileOperation newUpload = null;
         try {
         boolean chunked = FileUploader.chunkedUploadIsSupported(ocv);
         AbstractList<String> requestedUploads = new Vector<String>();
         String uploadKey = null;
         UploadFileOperation newUpload = null;
         try {
-            for (int i=0; i < files.length; i++) {
+            for (int i = 0; i < files.length; i++) {
                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
                 if (chunked) {
                 uploadKey = buildRemoteName(account, files[i].getRemotePath());
                 if (chunked) {
-                    newUpload = new ChunkedUploadFileOperation(account, files[i], isInstant, forceOverwrite, localAction);
+                    newUpload = new ChunkedUploadFileOperation(account, files[i], isInstant, forceOverwrite,
+                            localAction);
                 } else {
                     newUpload = new UploadFileOperation(account, files[i], isInstant, forceOverwrite, localAction);
                 }
                 } else {
                     newUpload = new UploadFileOperation(account, files[i], isInstant, forceOverwrite, localAction);
                 }
-                if (fixed && i==0) {
+                if (fixed && i == 0) {
                     newUpload.setRemoteFolderToBeCreated();
                 }
                 mPendingUploads.putIfAbsent(uploadKey, newUpload);
                 newUpload.addDatatransferProgressListener(this);
                     newUpload.setRemoteFolderToBeCreated();
                 }
                 mPendingUploads.putIfAbsent(uploadKey, newUpload);
                 newUpload.addDatatransferProgressListener(this);
+                newUpload.addDatatransferProgressListener((FileUploaderBinder)mBinder);
                 requestedUploads.add(uploadKey);
             }
                 requestedUploads.add(uploadKey);
             }
-            
+
         } catch (IllegalArgumentException e) {
         } catch (IllegalArgumentException e) {
-            Log.e(TAG, "Not enough information provided in intent: " + e.getMessage());
+            Log_OC.e(TAG, "Not enough information provided in intent: " + e.getMessage());
             return START_NOT_STICKY;
             return START_NOT_STICKY;
-            
+
         } catch (IllegalStateException e) {
         } catch (IllegalStateException e) {
-            Log.e(TAG, "Bad information provided in intent: " + e.getMessage());
+            Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
             return START_NOT_STICKY;
             return START_NOT_STICKY;
-            
+
         } catch (Exception e) {
         } catch (Exception e) {
-            Log.e(TAG, "Unexpected exception while processing upload intent", e);
+            Log_OC.e(TAG, "Unexpected exception while processing upload intent", e);
             return START_NOT_STICKY;
             return START_NOT_STICKY;
-            
+
         }
         }
-        
+
         if (requestedUploads.size() > 0) {
             Message msg = mServiceHandler.obtainMessage();
             msg.arg1 = startId;
             msg.obj = requestedUploads;
             mServiceHandler.sendMessage(msg);
         }
         if (requestedUploads.size() > 0) {
             Message msg = mServiceHandler.obtainMessage();
             msg.arg1 = startId;
             msg.obj = requestedUploads;
             mServiceHandler.sendMessage(msg);
         }
-
+        Log_OC.i(TAG, "mPendingUploads size:" + mPendingUploads.size());
         return Service.START_NOT_STICKY;
     }
 
         return Service.START_NOT_STICKY;
     }
 
-    
     /**
     /**
-     * Provides a binder object that clients can use to perform operations on the queue of uploads, excepting the addition of new files. 
+     * Provides a binder object that clients can use to perform operations on
+     * the queue of uploads, excepting the addition of new files.
      * 
      * 
-     * Implemented to perform cancellation, pause and resume of existing uploads.
+     * Implemented to perform cancellation, pause and resume of existing
+     * uploads.
      */
     @Override
     public IBinder onBind(Intent arg0) {
         return mBinder;
     }
      */
     @Override
     public IBinder onBind(Intent arg0) {
         return mBinder;
     }
+    
+    /**
+     * Called when ALL the bound clients were onbound.
+     */
+    @Override
+    public boolean onUnbind(Intent intent) {
+        ((FileUploaderBinder)mBinder).clearListeners();
+        return false;   // not accepting rebinding (default behaviour)
+    }
+    
 
     /**
 
     /**
-     *  Binder to let client components to perform operations on the queue of uploads.
+     * Binder to let client components to perform operations on the queue of
+     * uploads.
      * 
      * 
-     *  It provides by itself the available operations.
+     * It provides by itself the available operations.
      */
      */
-    public class FileUploaderBinder extends Binder {
+    public class FileUploaderBinder extends Binder implements OnDatatransferProgressListener {
+        
+        /** 
+         * Map of listeners that will be reported about progress of uploads from a {@link FileUploaderBinder} instance 
+         */
+        private Map<String, OnDatatransferProgressListener> mBoundListeners = new HashMap<String, OnDatatransferProgressListener>();
         
         /**
          * Cancels a pending or current upload of a remote file.
          * 
         
         /**
          * Cancels a pending or current upload of a remote file.
          * 
-         * @param account       Owncloud account where the remote file will be stored.
-         * @param file          A file in the queue of pending uploads
+         * @param account Owncloud account where the remote file will be stored.
+         * @param file A file in the queue of pending uploads
          */
         public void cancel(Account account, OCFile file) {
             UploadFileOperation upload = null;
          */
         public void cancel(Account account, OCFile file) {
             UploadFileOperation upload = null;
@@ -319,20 +362,30 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         }
         
         
         }
         
         
+        
+        public void clearListeners() {
+            mBoundListeners.clear();
+        }
+
+
+        
+        
         /**
         /**
-         * Returns True when the file described by 'file' is being uploaded to the ownCloud account 'account' or waiting for it
+         * Returns True when the file described by 'file' is being uploaded to
+         * the ownCloud account 'account' or waiting for it
          * 
          * 
-         * If 'file' is a directory, returns 'true' if some of its descendant files is downloading or waiting to download. 
+         * If 'file' is a directory, returns 'true' if some of its descendant files is uploading or waiting to upload. 
          * 
          * 
-         * @param account       Owncloud account where the remote file will be stored.
-         * @param file          A file that could be in the queue of pending uploads
+         * @param account Owncloud account where the remote file will be stored.
+         * @param file A file that could be in the queue of pending uploads
          */
         public boolean isUploading(Account account, OCFile file) {
          */
         public boolean isUploading(Account account, OCFile file) {
-            if (account == null || file == null) return false;
+            if (account == null || file == null)
+                return false;
             String targetKey = buildRemoteName(account, file);
             synchronized (mPendingUploads) {
                 if (file.isDirectory()) {
             String targetKey = buildRemoteName(account, file);
             synchronized (mPendingUploads) {
                 if (file.isDirectory()) {
-                    // this can be slow if there are many downloads :(
+                    // this can be slow if there are many uploads :(
                     Iterator<String> it = mPendingUploads.keySet().iterator();
                     boolean found = false;
                     while (it.hasNext() && !found) {
                     Iterator<String> it = mPendingUploads.keySet().iterator();
                     boolean found = false;
                     while (it.hasNext() && !found) {
@@ -344,19 +397,69 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
                 }
             }
         }
                 }
             }
         }
+
+
+        /**
+         * Adds a listener interested in the progress of the upload for a concrete file.
+         * 
+         * @param listener      Object to notify about progress of transfer.    
+         * @param account       ownCloud account holding the file of interest.
+         * @param file          {@link OCfile} of interest for listener. 
+         */
+        public void addDatatransferProgressListener (OnDatatransferProgressListener listener, Account account, OCFile file) {
+            if (account == null || file == null || listener == null) return;
+            String targetKey = buildRemoteName(account, file);
+            mBoundListeners.put(targetKey, listener);
+        }
+        
+        
+        
+        /**
+         * Removes a listener interested in the progress of the upload for a concrete file.
+         * 
+         * @param listener      Object to notify about progress of transfer.    
+         * @param account       ownCloud account holding the file of interest.
+         * @param file          {@link OCfile} of interest for listener. 
+         */
+        public void removeDatatransferProgressListener (OnDatatransferProgressListener listener, Account account, OCFile file) {
+            if (account == null || file == null || listener == null) return;
+            String targetKey = buildRemoteName(account, file);
+            if (mBoundListeners.get(targetKey) == listener) {
+                mBoundListeners.remove(targetKey);
+            }
+        }
+
+
+        @Override
+        public void onTransferProgress(long progressRate) {
+            // old way, should not be in use any more
+        }
+
+
+        @Override
+        public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer,
+                String fileName) {
+            String key = buildRemoteName(mCurrentUpload.getAccount(), mCurrentUpload.getFile());
+            OnDatatransferProgressListener boundListener = mBoundListeners.get(key);
+            if (boundListener != null) {
+                boundListener.onTransferProgress(progressRate, totalTransferredSoFar, totalToTransfer, fileName);
+            }
+        }
+        
     }
     }
-    
-    
-    
-    
-    /** 
-     * Upload worker. Performs the pending uploads in the order they were requested. 
+
+    /**
+     * Upload worker. Performs the pending uploads in the order they were
+     * requested.
      * 
      * 
-     * Created with the Looper of a new thread, started in {@link FileUploader#onCreate()}. 
+     * Created with the Looper of a new thread, started in
+     * {@link FileUploader#onCreate()}.
      */
     private static class ServiceHandler extends Handler {
      */
     private static class ServiceHandler extends Handler {
-        // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
+        // don't make it a final class, and don't remove the static ; lint will
+        // warn about a possible memory leak
         FileUploader mService;
         FileUploader mService;
+
         public ServiceHandler(Looper looper, FileUploader service) {
             super(looper);
             if (service == null)
         public ServiceHandler(Looper looper, FileUploader service) {
             super(looper);
             if (service == null)
@@ -378,22 +481,20 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         }
     }
 
         }
     }
 
-    
-    
-    
     /**
      * Core upload method: sends the file(s) to upload
      * 
     /**
      * Core upload method: sends the file(s) to upload
      * 
-     * @param uploadKey   Key to access the upload to perform, contained in mPendingUploads
+     * @param uploadKey Key to access the upload to perform, contained in
+     *            mPendingUploads
      */
     public void uploadFile(String uploadKey) {
 
      */
     public void uploadFile(String uploadKey) {
 
-        synchronized(mPendingUploads) {
+        synchronized (mPendingUploads) {
             mCurrentUpload = mPendingUploads.get(uploadKey);
         }
             mCurrentUpload = mPendingUploads.get(uploadKey);
         }
-        
+
         if (mCurrentUpload != null) {
         if (mCurrentUpload != null) {
-            
+
             notifyUploadStart(mCurrentUpload);
 
             RemoteOperationResult uploadResult = null;
             notifyUploadStart(mCurrentUpload);
 
             RemoteOperationResult uploadResult = null;
@@ -408,7 +509,7 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
             
                 /// create remote folder for instant uploads
                 if (mCurrentUpload.isRemoteFolderToBeCreated()) {
             
                 /// create remote folder for instant uploads
                 if (mCurrentUpload.isRemoteFolderToBeCreated()) {
-                    RemoteOperation operation = new CreateFolderOperation(  InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR, 
+                    RemoteOperation operation = new CreateFolderOperation(  FileStorageUtils.getInstantUploadFilePath(this, ""), 
                                                                             mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId(), // TODO generalize this : INSTANT_UPLOAD_DIR could not be a child of root
                                                                             mStorageManager);
                     operation.execute(mUploadClient);      // ignoring result; fail could just mean that it already exists, but local database is not synchronized; the upload will be tried anyway
                                                                             mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId(), // TODO generalize this : INSTANT_UPLOAD_DIR could not be a child of root
                                                                             mStorageManager);
                     operation.execute(mUploadClient);      // ignoring result; fail could just mean that it already exists, but local database is not synchronized; the upload will be tried anyway
@@ -422,33 +523,35 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
                 }
                 
             } catch (AccountsException e) {
                 }
                 
             } catch (AccountsException e) {
-                Log.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
+                Log_OC.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
                 uploadResult = new RemoteOperationResult(e);
                 
             } catch (IOException e) {
                 uploadResult = new RemoteOperationResult(e);
                 
             } catch (IOException e) {
-                Log.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
+                Log_OC.e(TAG, "Error while trying to get autorization for " + mLastAccount.name, e);
                 uploadResult = new RemoteOperationResult(e);
                 
             } finally {
                 uploadResult = new RemoteOperationResult(e);
                 
             } finally {
-                synchronized(mPendingUploads) {
+                synchronized (mPendingUploads) {
                     mPendingUploads.remove(uploadKey);
                     mPendingUploads.remove(uploadKey);
+                    Log_OC.i(TAG, "Remove CurrentUploadItem from pending upload Item Map.");
                 }
             }
             
             /// notify result
                 }
             }
             
             /// notify result
-            notifyUploadResult(uploadResult, mCurrentUpload);
             
             
+            notifyUploadResult(uploadResult, mCurrentUpload);
             sendFinalBroadcast(mCurrentUpload, uploadResult);
             sendFinalBroadcast(mCurrentUpload, uploadResult);
-            
+
         }
         }
-        
+
     }
 
     /**
      * Saves a OC File after a successful upload.
      * 
     }
 
     /**
      * Saves a OC File after a successful upload.
      * 
-     * A PROPFIND is necessary to keep the props in the local database synchronized with the server, 
-     * specially the modification time and Etag (where available)
+     * A PROPFIND is necessary to keep the props in the local database
+     * synchronized with the server, specially the modification time and Etag
+     * (where available)
      * 
      * TODO refactor this ugly thing
      */
      * 
      * TODO refactor this ugly thing
      */
@@ -456,149 +559,168 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         OCFile file = mCurrentUpload.getFile();
         long syncDate = System.currentTimeMillis();
         file.setLastSyncDateForData(syncDate);
         OCFile file = mCurrentUpload.getFile();
         long syncDate = System.currentTimeMillis();
         file.setLastSyncDateForData(syncDate);
-        
-        /// new PROPFIND to keep data consistent with server in theory, should return the same we already have
+
+        // / new PROPFIND to keep data consistent with server in theory, should
+        // return the same we already have
         PropFindMethod propfind = null;
         RemoteOperationResult result = null;
         try {
         PropFindMethod propfind = null;
         RemoteOperationResult result = null;
         try {
-          propfind = new PropFindMethod(mUploadClient.getBaseUri() + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
-          int status = mUploadClient.executeMethod(propfind);
-          boolean isMultiStatus = (status == HttpStatus.SC_MULTI_STATUS);
-          if (isMultiStatus) {
-              MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
-              WebdavEntry we = new WebdavEntry(resp.getResponses()[0],
-                                               mUploadClient.getBaseUri().getPath());
-              updateOCFile(file, we);
-              file.setLastSyncDateForProperties(syncDate);
-              
-          } else {
-              mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
-          }
-          
-          result = new RemoteOperationResult(isMultiStatus, status);
-          Log.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage());
-          
+            propfind = new PropFindMethod(mUploadClient.getBaseUri()
+                    + WebdavUtils.encodePath(mCurrentUpload.getRemotePath()));
+            int status = mUploadClient.executeMethod(propfind);
+            boolean isMultiStatus = (status == HttpStatus.SC_MULTI_STATUS);
+            if (isMultiStatus) {
+                MultiStatus resp = propfind.getResponseBodyAsMultiStatus();
+                WebdavEntry we = new WebdavEntry(resp.getResponses()[0], mUploadClient.getBaseUri().getPath());
+                updateOCFile(file, we);
+                file.setLastSyncDateForProperties(syncDate);
+
+            } else {
+                mUploadClient.exhaustResponse(propfind.getResponseBodyAsStream());
+            }
+
+            result = new RemoteOperationResult(isMultiStatus, status);
+            Log_OC.i(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": "
+                    + result.getLogMessage());
+
         } catch (Exception e) {
             result = new RemoteOperationResult(e);
         } catch (Exception e) {
             result = new RemoteOperationResult(e);
-            Log.e(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": " + result.getLogMessage(), e);
+            Log_OC.e(TAG, "Update: synchronizing properties for uploaded " + mCurrentUpload.getRemotePath() + ": "
+                    + result.getLogMessage(), e);
 
         } finally {
             if (propfind != null)
                 propfind.releaseConnection();
         }
 
 
         } finally {
             if (propfind != null)
                 propfind.releaseConnection();
         }
 
-        /// maybe this would be better as part of UploadFileOperation... or maybe all this method
+        // / maybe this would be better as part of UploadFileOperation... or
+        // maybe all this method
         if (mCurrentUpload.wasRenamed()) {
             OCFile oldFile = mCurrentUpload.getOldFile();
             if (oldFile.fileExists()) {
                 oldFile.setStoragePath(null);
                 mStorageManager.saveFile(oldFile);
         if (mCurrentUpload.wasRenamed()) {
             OCFile oldFile = mCurrentUpload.getOldFile();
             if (oldFile.fileExists()) {
                 oldFile.setStoragePath(null);
                 mStorageManager.saveFile(oldFile);
-                
-            } // else: it was just an automatic renaming due to a name coincidence; nothing else is needed, the storagePath is right in the instance returned by mCurrentUpload.getFile()
+
+            } // else: it was just an automatic renaming due to a name
+              // coincidence; nothing else is needed, the storagePath is right
+              // in the instance returned by mCurrentUpload.getFile()
         }
         }
-        
+
         mStorageManager.saveFile(file);
     }
 
         mStorageManager.saveFile(file);
     }
 
-    
     private void updateOCFile(OCFile file, WebdavEntry we) {
         file.setCreationTimestamp(we.createTimestamp());
         file.setFileLength(we.contentLength());
         file.setMimetype(we.contentType());
         file.setModificationTimestamp(we.modifiedTimestamp());
         file.setModificationTimestampAtLastSyncForData(we.modifiedTimestamp());
     private void updateOCFile(OCFile file, WebdavEntry we) {
         file.setCreationTimestamp(we.createTimestamp());
         file.setFileLength(we.contentLength());
         file.setMimetype(we.contentType());
         file.setModificationTimestamp(we.modifiedTimestamp());
         file.setModificationTimestampAtLastSyncForData(we.modifiedTimestamp());
-        // file.setEtag(mCurrentDownload.getEtag());    // TODO Etag, where available
+        // file.setEtag(mCurrentUpload.getEtag());    // TODO Etag, where available
     }
     }
-    
-    
+
     private boolean checkAndFixInstantUploadDirectory(FileDataStorageManager storageManager) {
     private boolean checkAndFixInstantUploadDirectory(FileDataStorageManager storageManager) {
-        OCFile instantUploadDir = storageManager.getFileByPath(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
+        String instantUploadDirPath = FileStorageUtils.getInstantUploadFilePath(this, "");
+        OCFile instantUploadDir = storageManager.getFileByPath(instantUploadDirPath);
         if (instantUploadDir == null) {
         if (instantUploadDir == null) {
-            // first instant upload in the account, or never account not synchronized after the remote InstantUpload folder was created
-            OCFile newDir = new OCFile(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
+            // first instant upload in the account. never account not
+            // synchronized after the remote InstantUpload folder was created
+            OCFile newDir = new OCFile(instantUploadDirPath);
             newDir.setMimetype("DIR");
             newDir.setMimetype("DIR");
-            newDir.setParentId(storageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId());
-            storageManager.saveFile(newDir);
-            return true;
+            OCFile path = storageManager.getFileByPath(OCFile.PATH_SEPARATOR);
+
+            if (path != null) {
+                newDir.setParentId(path.getFileId());
+                storageManager.saveFile(newDir);
+                return true;
+            } else {    // this should not happen anymore
+                return false;
+            }
+
         }
         return false;
     }
 
         }
         return false;
     }
 
-    
-    private OCFile obtainNewOCFileToUpload(String remotePath, String localPath, String mimeType, FileDataStorageManager storageManager) {
+    private OCFile obtainNewOCFileToUpload(String remotePath, String localPath, String mimeType,
+            FileDataStorageManager storageManager) {
         OCFile newFile = new OCFile(remotePath);
         newFile.setStoragePath(localPath);
         newFile.setLastSyncDateForProperties(0);
         newFile.setLastSyncDateForData(0);
         OCFile newFile = new OCFile(remotePath);
         newFile.setStoragePath(localPath);
         newFile.setLastSyncDateForProperties(0);
         newFile.setLastSyncDateForData(0);
-        
+
         // size
         if (localPath != null && localPath.length() > 0) {
             File localFile = new File(localPath);
             newFile.setFileLength(localFile.length());
             newFile.setLastSyncDateForData(localFile.lastModified());
         // size
         if (localPath != null && localPath.length() > 0) {
             File localFile = new File(localPath);
             newFile.setFileLength(localFile.length());
             newFile.setLastSyncDateForData(localFile.lastModified());
-        }   // don't worry about not assigning size, the problems with localPath are checked when the UploadFileOperation instance is created
-        
+        } // don't worry about not assigning size, the problems with localPath
+          // are checked when the UploadFileOperation instance is created
+
         // MIME type
         if (mimeType == null || mimeType.length() <= 0) {
             try {
         // MIME type
         if (mimeType == null || mimeType.length() <= 0) {
             try {
-                mimeType = MimeTypeMap.getSingleton()
-                    .getMimeTypeFromExtension(
-                            remotePath.substring(remotePath.lastIndexOf('.') + 1));
+                mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
+                        remotePath.substring(remotePath.lastIndexOf('.') + 1));
             } catch (IndexOutOfBoundsException e) {
             } catch (IndexOutOfBoundsException e) {
-                Log.e(TAG, "Trying to find out MIME type of a file without extension: " + remotePath);
+                Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + remotePath);
             }
         }
         if (mimeType == null) {
             mimeType = "application/octet-stream";
         }
         newFile.setMimetype(mimeType);
             }
         }
         if (mimeType == null) {
             mimeType = "application/octet-stream";
         }
         newFile.setMimetype(mimeType);
-        
+
         // parent dir
         String parentPath = new File(remotePath).getParent();
         // parent dir
         String parentPath = new File(remotePath).getParent();
-        parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR ;
+        parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
         OCFile parentDir = storageManager.getFileByPath(parentPath);
         OCFile parentDir = storageManager.getFileByPath(parentPath);
-        if (parentDir == null) {
-            throw new IllegalStateException("Can not upload a file to a non existing remote location: " + parentPath);
-        }
         long parentDirId = parentDir.getFileId();
         newFile.setParentId(parentDirId);
         return newFile;
     }
         long parentDirId = parentDir.getFileId();
         newFile.setParentId(parentDirId);
         return newFile;
     }
-    
 
     /**
      * Creates a status notification to show the upload progress
      * 
 
     /**
      * Creates a status notification to show the upload progress
      * 
-     * @param upload    Upload operation starting.
+     * @param upload Upload operation starting.
      */
      */
+    @SuppressWarnings("deprecation")
     private void notifyUploadStart(UploadFileOperation upload) {
     private void notifyUploadStart(UploadFileOperation upload) {
-        /// create status notification with a progress bar
+        // / create status notification with a progress bar
         mLastPercent = 0;
         mLastPercent = 0;
-        mNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_in_progress_ticker), System.currentTimeMillis());
+        mNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_in_progress_ticker),
+                System.currentTimeMillis());
         mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
         mDefaultNotificationContentView = mNotification.contentView;
         mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
         mDefaultNotificationContentView = mNotification.contentView;
-        mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.progressbar_layout);
+        mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(),
+                R.layout.progressbar_layout);
         mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, false);
         mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, false);
-        mNotification.contentView.setTextViewText(R.id.status_text, String.format(getString(R.string.uploader_upload_in_progress_content), 0, upload.getFileName()));
+        mNotification.contentView.setTextViewText(R.id.status_text,
+                String.format(getString(R.string.uploader_upload_in_progress_content), 0, upload.getFileName()));
         mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
         
         /// includes a pending intent in the notification showing the details view of the file
         mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
         
         /// includes a pending intent in the notification showing the details view of the file
-        Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
+        Intent showDetailsIntent = null;
+        if (PreviewImageFragment.canBePreviewed(upload.getFile())) {
+            showDetailsIntent = new Intent(this, PreviewImageActivity.class);
+        } else {
+            showDetailsIntent = new Intent(this, FileDetailActivity.class);
+            showDetailsIntent.putExtra(FileDetailActivity.EXTRA_MODE, FileDetailActivity.MODE_DETAILS);
+        }
         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
         showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-        mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), showDetailsIntent, 0);
-        
+        mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
+                (int) System.currentTimeMillis(), showDetailsIntent, 0);
+
         mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
     }
 
         mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
     }
 
-    
     /**
      * Callback method to update the progress bar in the status notification
      */
     @Override
     public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String fileName) {
     /**
      * Callback method to update the progress bar in the status notification
      */
     @Override
     public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String fileName) {
-        int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
+        int percent = (int) (100.0 * ((double) totalTransferredSoFar) / ((double) totalToTransfer));
         if (percent != mLastPercent) {
             mNotification.contentView.setProgressBar(R.id.status_progress, 100, percent, false);
             String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, fileName);
         if (percent != mLastPercent) {
             mNotification.contentView.setProgressBar(R.id.status_progress, 100, percent, false);
             String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, fileName);
@@ -607,98 +729,154 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         }
         mLastPercent = percent;
     }
         }
         mLastPercent = percent;
     }
-    
-    
+
     /**
     /**
-     * Callback method to update the progress bar in the status notification  (old version)
+     * Callback method to update the progress bar in the status notification
+     * (old version)
      */
     @Override
     public void onTransferProgress(long progressRate) {
         // NOTHING TO DO HERE ANYMORE
     }
 
      */
     @Override
     public void onTransferProgress(long progressRate) {
         // NOTHING TO DO HERE ANYMORE
     }
 
-    
     /**
      * Updates the status notification with the result of an upload operation.
      * 
     /**
      * Updates the status notification with the result of an upload operation.
      * 
-     * @param uploadResult    Result of the upload operation.
-     * @param upload          Finished upload operation
+     * @param uploadResult Result of the upload operation.
+     * @param upload Finished upload operation
      */
     private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
      */
     private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
+        Log_OC.d(TAG, "NotifyUploadResult with resultCode: " + uploadResult.getCode());
         if (uploadResult.isCancelled()) {
         if (uploadResult.isCancelled()) {
-            /// cancelled operation -> silent removal of progress notification
+            // / cancelled operation -> silent removal of progress notification
             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
-            
+
         } else if (uploadResult.isSuccess()) {
         } else if (uploadResult.isSuccess()) {
-            /// success -> silent update of progress notification to success message 
-            mNotification.flags ^= Notification.FLAG_ONGOING_EVENT; // remove the ongoing flag
+            // / success -> silent update of progress notification to success
+            // message
+            mNotification.flags ^= Notification.FLAG_ONGOING_EVENT; // remove
+                                                                    // the
+                                                                    // ongoing
+                                                                    // flag
             mNotification.flags |= Notification.FLAG_AUTO_CANCEL;
             mNotification.contentView = mDefaultNotificationContentView;
             
             /// includes a pending intent in the notification showing the details view of the file
             mNotification.flags |= Notification.FLAG_AUTO_CANCEL;
             mNotification.contentView = mDefaultNotificationContentView;
             
             /// includes a pending intent in the notification showing the details view of the file
-            Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
+            Intent showDetailsIntent = null;
+            if (PreviewImageFragment.canBePreviewed(upload.getFile())) {
+                showDetailsIntent = new Intent(this, PreviewImageActivity.class); 
+            } else {
+                showDetailsIntent = new Intent(this, FileDetailActivity.class); 
+                showDetailsIntent.putExtra(FileDetailActivity.EXTRA_MODE, FileDetailActivity.MODE_DETAILS);
+            }
             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
             showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, upload.getFile());
             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, upload.getAccount());
             showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
-            mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), showDetailsIntent, 0);
-            
-            mNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                getString(R.string.uploader_upload_succeeded_ticker), 
-                                                String.format(getString(R.string.uploader_upload_succeeded_content_single), upload.getFileName()), 
-                                                mNotification.contentIntent);
-            
-            mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);    // NOT AN ERROR; uploader_upload_in_progress_ticker is the target, not a new notification
-            
-            /* Notification about multiple uploads: pending of update
-            mNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                    getString(R.string.uploader_upload_succeeded_ticker), 
-                                                    String.format(getString(R.string.uploader_upload_succeeded_content_multiple), mSuccessCounter), 
-                                                    mNotification.contentIntent);
-             */
-            
+            mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
+                    (int) System.currentTimeMillis(), showDetailsIntent, 0);
+
+            mNotification.setLatestEventInfo(getApplicationContext(),
+                    getString(R.string.uploader_upload_succeeded_ticker),
+                    String.format(getString(R.string.uploader_upload_succeeded_content_single), upload.getFileName()),
+                    mNotification.contentIntent);
+
+            mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification); // NOT
+                                                                                                     // AN
+            DbHandler db = new DbHandler(this.getBaseContext());
+            db.removeIUPendingFile(mCurrentUpload.getFile().getStoragePath());
+            db.close();
+
         } else {
         } else {
-            /// fail -> explicit failure notification
+
+            // / fail -> explicit failure notification
             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
             mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
-            Notification finalNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_failed_ticker), System.currentTimeMillis());
+            Notification finalNotification = new Notification(R.drawable.icon,
+                    getString(R.string.uploader_upload_failed_ticker), System.currentTimeMillis());
             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
-            // TODO put something smart in the contentIntent below
-            finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), new Intent(), 0);
-            
-            String content = null; 
-            if (uploadResult.getCode() == ResultCode.LOCAL_STORAGE_FULL ||
-                uploadResult.getCode() == ResultCode.LOCAL_STORAGE_NOT_COPIED) {
-                // TODO we need a class to provide error messages for the users from a RemoteOperationResult and a RemoteOperation 
-                content = String.format(getString(R.string.error__upload__local_file_not_copied), upload.getFileName(), getString(R.string.app_name));
+            if (uploadResult.getCode() == ResultCode.UNAUTHORIZED) {
+                // let the user update credentials with one click
+                Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
+                updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, upload.getAccount());
+                updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
+                updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+                updateAccountCredentials.addFlags(Intent.FLAG_FROM_BACKGROUND);
+                finalNotification.contentIntent = PendingIntent.getActivity(this, (int)System.currentTimeMillis(), updateAccountCredentials, PendingIntent.FLAG_ONE_SHOT);
+                mUploadClient = null;   // grant that future retries on the same account will get the fresh credentials
             } else {
             } else {
-                content = String.format(getString(R.string.uploader_upload_failed_content_single), upload.getFileName());
+                // TODO put something smart in the contentIntent below
+                finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), (int)System.currentTimeMillis(), new Intent(), 0);
             }
             }
-            finalNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                    getString(R.string.uploader_upload_failed_ticker), 
-                                                    content, 
-                                                    finalNotification.contentIntent);
             
             
+            String content = null;
+            if (uploadResult.getCode() == ResultCode.LOCAL_STORAGE_FULL
+                    || uploadResult.getCode() == ResultCode.LOCAL_STORAGE_NOT_COPIED) {
+                // TODO we need a class to provide error messages for the users
+                // from a RemoteOperationResult and a RemoteOperation
+                content = String.format(getString(R.string.error__upload__local_file_not_copied), upload.getFileName(),
+                        getString(R.string.app_name));
+            } else if (uploadResult.getCode() == ResultCode.QUOTA_EXCEEDED) {
+                content = getString(R.string.failed_upload_quota_exceeded_text);
+            } else {
+                content = String
+                        .format(getString(R.string.uploader_upload_failed_content_single), upload.getFileName());
+            }
+
+            // we add only for instant-uploads the InstantUploadActivity and the
+            // db entry
+            Intent detailUploadIntent = null;
+            if (upload.isInstant() && InstantUploadActivity.IS_ENABLED) {
+                detailUploadIntent = new Intent(this, InstantUploadActivity.class);
+                detailUploadIntent.putExtra(FileUploader.KEY_ACCOUNT, upload.getAccount());
+            } else {
+                detailUploadIntent = new Intent(this, FailedUploadActivity.class);
+                detailUploadIntent.putExtra(FailedUploadActivity.MESSAGE, content);
+            }
+            finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(),
+                    (int) System.currentTimeMillis(), detailUploadIntent, PendingIntent.FLAG_UPDATE_CURRENT
+                            | PendingIntent.FLAG_ONE_SHOT);
+
+            if (upload.isInstant()) {
+                DbHandler db = null;
+                try {
+                    db = new DbHandler(this.getBaseContext());
+                    String message = uploadResult.getLogMessage() + " errorCode: " + uploadResult.getCode();
+                    Log_OC.e(TAG, message + " Http-Code: " + uploadResult.getHttpCode());
+                    if (uploadResult.getCode() == ResultCode.QUOTA_EXCEEDED) {
+                        message = getString(R.string.failed_upload_quota_exceeded_text);
+                    }
+                    if (db.updateFileState(upload.getOriginalStoragePath(), DbHandler.UPLOAD_STATUS_UPLOAD_FAILED,
+                            message) == 0) {
+                        db.putFileForLater(upload.getOriginalStoragePath(), upload.getAccount().name, message);
+                    }
+                } finally {
+                    if (db != null) {
+                        db.close();
+                    }
+                }
+            }
+            finalNotification.setLatestEventInfo(getApplicationContext(),
+                    getString(R.string.uploader_upload_failed_ticker), content, finalNotification.contentIntent);
+
             mNotificationManager.notify(R.string.uploader_upload_failed_ticker, finalNotification);
             mNotificationManager.notify(R.string.uploader_upload_failed_ticker, finalNotification);
-            
-            /* Notification about multiple uploads failure: pending of update
-            finalNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                        getString(R.string.uploader_upload_failed_ticker), 
-                                                        String.format(getString(R.string.uploader_upload_failed_content_multiple), mSuccessCounter, mTotalFilesToSend), 
-                                                        finalNotification.contentIntent);
-            } */                
         }
         }
-        
+
     }
     }
-    
-    
+
     /**
     /**
-     * Sends a broadcast in order to the interested activities can update their view
+     * Sends a broadcast in order to the interested activities can update their
+     * view
      * 
      * 
-     * @param upload          Finished upload operation
-     * @param uploadResult    Result of the upload operation
+     * @param upload Finished upload operation
+     * @param uploadResult Result of the upload operation
      */
     private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult) {
         Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
      */
     private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult) {
         Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
-        end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath());    // real remote path, after possible automatic renaming
+        end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath()); // real remote
+                                                                 // path, after
+                                                                 // possible
+                                                                 // automatic
+                                                                 // renaming
         if (upload.wasRenamed()) {
             end.putExtra(EXTRA_OLD_REMOTE_PATH, upload.getOldFile().getRemotePath());
         }
         if (upload.wasRenamed()) {
             end.putExtra(EXTRA_OLD_REMOTE_PATH, upload.getOldFile().getRemotePath());
         }
@@ -708,5 +886,4 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
         sendStickyBroadcast(end);
     }
 
         sendStickyBroadcast(end);
     }
 
-
 }
 }
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