Merge remote-tracking branch 'origin/master' into cancel_in_upload

[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 f7340f6..42033be 100644 (file)
--- a/src/com/owncloud/android/files/services/FileUploader.java
+++ b/src/com/owncloud/android/files/services/FileUploader.java
@@ -1,23 +1,40 @@
 package com.owncloud.android.files.services;
 
 import java.io.File;
 package com.owncloud.android.files.services;
 
 import java.io.File;

+import java.util.AbstractList;

 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Collections;
 import java.util.HashMap;

+import java.util.Iterator;

 import java.util.Map;
 import java.util.Map;

+import java.util.Vector;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;

 
 

+import com.owncloud.android.authenticator.AccountAuthenticator;

 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.PhotoTakenBroadcastReceiver;
+import com.owncloud.android.files.InstantUploadBroadcastReceiver;
+import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
+import com.owncloud.android.operations.ChunkedUploadFileOperation;
+import com.owncloud.android.operations.DownloadFileOperation;
+import com.owncloud.android.operations.RemoteOperationResult;
+import com.owncloud.android.operations.UploadFileOperation;
+import com.owncloud.android.ui.activity.FileDetailActivity;
+import com.owncloud.android.ui.fragment.FileDetailFragment;
+import com.owncloud.android.utils.OwnCloudVersion;

 
 import eu.alefzero.webdav.OnDatatransferProgressListener;
 
 import eu.alefzero.webdav.OnDatatransferProgressListener;

-import com.owncloud.android.utils.OwnCloudClientUtils;
+
+import com.owncloud.android.network.OwnCloudClientUtils;

 
 import android.accounts.Account;
 
 import android.accounts.Account;

+import android.accounts.AccountManager;

 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
 import android.content.Intent;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
 import android.content.Intent;

+import android.os.Binder;

 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;


@@ -25,8 +42,8 @@ import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
 import android.util.Log;
 import android.os.Message;
 import android.os.Process;
 import android.util.Log;

-import android.webkit.MimeTypeMap;

 import android.widget.RemoteViews;
 import android.widget.RemoteViews;

+

 import com.owncloud.android.R;
 import eu.alefzero.webdav.WebdavClient;
 
 import com.owncloud.android.R;
 import eu.alefzero.webdav.WebdavClient;
 


@@ -50,59 +67,60 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
     public static final int UPLOAD_SINGLE_FILE = 0;
     public static final int UPLOAD_MULTIPLE_FILES = 1;
 
     public static final int UPLOAD_SINGLE_FILE = 0;
     public static final int UPLOAD_MULTIPLE_FILES = 1;
 

-    private static final String TAG = "FileUploader";
+    private static final String TAG = FileUploader.class.getSimpleName();

     
     

-    private NotificationManager mNotificationManager;

     private Looper mServiceLooper;
     private ServiceHandler mServiceHandler;
     private Looper mServiceLooper;
     private ServiceHandler mServiceHandler;

-    private Account mAccount;
-    private String[] mLocalPaths, mRemotePaths, mMimeTypes;
-    private int mUploadType;
+    private IBinder mBinder;
+    private WebdavClient mUploadClient = null;
+    private Account mLastAccount = null, mLastAccountWhereInstantFolderWasCreated = null;
+    private FileDataStorageManager mStorageManager;
+
+    //private AbstractList<Account> mAccounts = new Vector<Account>();
+    //private AbstractList<UploadFileOperation> mUploads = new Vector<UploadFileOperation>();
+    //private int mCurrentIndexUpload;
+    private ConcurrentMap<String, UploadFileOperation> mPendingUploads = new ConcurrentHashMap<String, UploadFileOperation>();
+    private UploadFileOperation mCurrentUpload = null;
+    
+    private NotificationManager mNotificationManager;

     private Notification mNotification;
     private Notification mNotification;

-    private long mTotalDataToSend, mSendData;
-    private int mCurrentIndexUpload, mPreviousPercent;
-    private int mSuccessCounter;
-    private boolean mIsInstant;
+    private int mLastPercent;
+    private RemoteViews mDefaultNotificationContentView;
+    /*private long mTotalDataToSend, mSendData;
+    private int mTotalFilesToSend, mPreviousPercent;
+    private int mSuccessCounter;*/

     
     

-    /**
-     * Static map with the files being download and the path to the temporal file were are download
-     */
-    private static Map<String, String> mUploadsInProgress = Collections.synchronizedMap(new HashMap<String, String>());

     
     /**
     
     /**

-     * Returns True when the file referred by 'remotePath' in the ownCloud account 'account' is downloading
+     * 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

      */
      */

-    public static boolean isUploading(Account account, String remotePath) {
-        return (mUploadsInProgress.get(buildRemoteName(account.name, remotePath)) != null);
+    private String buildRemoteName(Account account, OCFile file) {
+        return account.name + file.getRemotePath();

     }
     }

+
+    private String buildRemoteName(Account account, String remotePath) {
+        return account.name + remotePath;
+    }
+

     
     /**
     
     /**

-     * Builds a key for mUplaodsInProgress from the accountName and remotePath
+     * 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.

      */
      */

-    private static String buildRemoteName(String accountName, String remotePath) {
-        return accountName + remotePath;
+    private static boolean chunkedUploadIsSupported(OwnCloudVersion version) {
+        return (version != null && version.compareTo(OwnCloudVersion.owncloud_v4_5) >= 0);

     }
 
     
     }
 
     

-    
-
-    @Override
-    public IBinder onBind(Intent arg0) {
-        return null;
-    }
-
-    private final class ServiceHandler extends Handler {
-        public ServiceHandler(Looper looper) {
-            super(looper);
-        }
-
-        @Override
-        public void handleMessage(Message msg) {
-            uploadFile(msg.arg2==1?true:false);
-            stopSelf(msg.arg1);
-        }
-    }

 
 

+    /**
+     * Service initialization
+     */

     @Override
     public void onCreate() {
         super.onCreate();
     @Override
     public void onCreate() {
         super.onCreate();


@@ -111,247 +129,418 @@ public class FileUploader extends Service implements OnDatatransferProgressListe
                 Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
         mServiceLooper = thread.getLooper();
                 Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
         mServiceLooper = thread.getLooper();

-        mServiceHandler = new ServiceHandler(mServiceLooper);
+        mServiceHandler = new ServiceHandler(mServiceLooper, this);
+        mBinder = new FileUploaderBinder();

     }
 
     }
 

+    
+    /**
+     * 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.
+     */

     @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)) {
+        if (!intent.hasExtra(KEY_ACCOUNT) || !intent.hasExtra(KEY_UPLOAD_TYPE)) {

             Log.e(TAG, "Not enough information provided in intent");
             return Service.START_NOT_STICKY;
         }
             Log.e(TAG, "Not enough information provided in intent");
             return Service.START_NOT_STICKY;
         }

-        mAccount = intent.getParcelableExtra(KEY_ACCOUNT);
-        mUploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
-        if (mUploadType == -1) {
+        int uploadType = intent.getIntExtra(KEY_UPLOAD_TYPE, -1);
+        if (uploadType == -1) {

             Log.e(TAG, "Incorrect upload type provided");
             return Service.START_NOT_STICKY;
         }
             Log.e(TAG, "Incorrect upload type provided");
             return Service.START_NOT_STICKY;
         }

-        if (mUploadType == UPLOAD_SINGLE_FILE) {
-            mLocalPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
-            mRemotePaths = new String[] { intent
+        Account account = intent.getParcelableExtra(KEY_ACCOUNT);
+        
+        String[] localPaths, remotePaths, mimeTypes; 
+        if (uploadType == UPLOAD_SINGLE_FILE) {
+            localPaths = new String[] { intent.getStringExtra(KEY_LOCAL_FILE) };
+            remotePaths = new String[] { intent

                     .getStringExtra(KEY_REMOTE_FILE) };
                     .getStringExtra(KEY_REMOTE_FILE) };

-            mMimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };
+            mimeTypes = new String[] { intent.getStringExtra(KEY_MIME_TYPE) };

             
         } else { // mUploadType == UPLOAD_MULTIPLE_FILES
             
         } else { // mUploadType == UPLOAD_MULTIPLE_FILES

-            mLocalPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
-            mRemotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
-            mMimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);
+            localPaths = intent.getStringArrayExtra(KEY_LOCAL_FILE);
+            remotePaths = intent.getStringArrayExtra(KEY_REMOTE_FILE);
+            mimeTypes = intent.getStringArrayExtra(KEY_MIME_TYPE);

         }
         }

-        
-        if (mLocalPaths.length != mRemotePaths.length) {
+
+        if (localPaths == null) {
+            Log.e(TAG, "Incorrect array for local paths provided in upload intent");
+            return Service.START_NOT_STICKY;
+        }
+        if (remotePaths == null) {
+            Log.e(TAG, "Incorrect array for remote paths provided in upload intent");
+            return Service.START_NOT_STICKY;
+        }
+            
+        if (localPaths.length != remotePaths.length) {

             Log.e(TAG, "Different number of remote paths and local paths!");
             return Service.START_NOT_STICKY;
         }
             Log.e(TAG, "Different number of remote paths and local paths!");
             return Service.START_NOT_STICKY;
         }

-
-        mIsInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false); 
-                
-        Message msg = mServiceHandler.obtainMessage();
-        msg.arg1 = startId;
-        msg.arg2 = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false)?1:0;
-        mServiceHandler.sendMessage(msg);
+        
+        boolean isInstant = intent.getBooleanExtra(KEY_INSTANT_UPLOAD, false); 
+        boolean forceOverwrite = intent.getBooleanExtra(KEY_FORCE_OVERWRITE, false);
+        
+        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 {
+            for (int i=0; i < localPaths.length; i++) {
+                uploadKey = buildRemoteName(account, remotePaths[i]);
+                if (chunked) {
+                    newUpload = new ChunkedUploadFileOperation(account, localPaths[i], remotePaths[i], ((mimeTypes!=null)?mimeTypes[i]:(String)null), isInstant, forceOverwrite);
+                } else {
+                    newUpload = new UploadFileOperation(account, localPaths[i], remotePaths[i], (mimeTypes!=null?mimeTypes[i]:(String)null), isInstant, forceOverwrite);
+                }
+                mPendingUploads.putIfAbsent(uploadKey, newUpload);
+                newUpload.addDatatransferProgressListener(this);
+                requestedUploads.add(uploadKey);
+            }
+            
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Not enough information provided in intent: " + e.getMessage());
+            return START_NOT_STICKY;
+        }
+        
+        if (requestedUploads.size() > 0) {
+            Message msg = mServiceHandler.obtainMessage();
+            msg.arg1 = startId;
+            msg.obj = requestedUploads;
+            mServiceHandler.sendMessage(msg);
+        }

 
         return Service.START_NOT_STICKY;
     }
 
     
     /**
 
         return Service.START_NOT_STICKY;
     }
 
     
     /**

-     * Core upload method: sends the file(s) to upload
+     * 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.

      */
      */

-    public void uploadFile(boolean force_override) {
-        FileDataStorageManager storageManager = new FileDataStorageManager(mAccount, getContentResolver());
+    @Override
+    public IBinder onBind(Intent arg0) {
+        return mBinder;
+    }

 
 

-        mTotalDataToSend = mSendData = mPreviousPercent = 0;
+    /**
+     *  Binder to let client components to perform operations on the queue of uploads.
+     * 
+     *  It provides by itself the available operations.
+     */
+    public class FileUploaderBinder extends Binder {

         
         

-        /// prepare client object to send the request to the ownCloud server
-        WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
-        wc.setDataTransferProgressListener(this);
-
-        /// create status notification to show the upload progress
-        mNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_in_progress_ticker), System.currentTimeMillis());
-        mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
-        RemoteViews oldContentView = mNotification.contentView;
-        mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.progressbar_layout);
-        mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, false);
-        mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
-        // dvelasco ; contentIntent MUST be assigned to avoid app crashes in versions previous to Android 4.x ;
-        //              BUT an empty Intent is not a very elegant solution; something smart should happen when a user 'clicks' on an upload in the notification bar
-        mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT);
-        mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
-
-        /// create remote folder for instant uploads if necessary
-        if (mIsInstant) {
-            OCFile instantUploadDir = storageManager.getFileByPath(PhotoTakenBroadcastReceiver.INSTANT_UPLOAD_DIR);
-            if (instantUploadDir == null) {
-                wc.createDirectory(PhotoTakenBroadcastReceiver.INSTANT_UPLOAD_DIR);    // fail could just mean that it already exists, but local database is not synchronized; the upload will be started anyway
-                OCFile newDir = new OCFile(PhotoTakenBroadcastReceiver.INSTANT_UPLOAD_DIR);
-                newDir.setMimetype("DIR");
-                newDir.setParentId(storageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId());
-                storageManager.saveFile(newDir);
+        /**
+         * 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
+         */
+        public void cancel(Account account, OCFile file) {
+            UploadFileOperation upload = null;
+            synchronized (mPendingUploads) {
+                upload = mPendingUploads.remove(buildRemoteName(account, file));
+            }
+            if (upload != null) {
+                // TODO upload.cancel();

             }
         }
         
             }
         }
         

-        /// perform the upload
-        File [] localFiles = new File[mLocalPaths.length];
-        for (int i = 0; i < mLocalPaths.length; ++i) {
-            localFiles[i] = new File(mLocalPaths[i]);
-            mTotalDataToSend += localFiles[i].length();
+        
+        /**
+         * Returns True when the file described by 'file' is being uploaded to the ownCloud account 'account' or waiting for it
+         * 
+         * @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) {
+            synchronized (mPendingUploads) {
+                return (mPendingUploads.containsKey(buildRemoteName(account, file)));
+            }
+        }
+    }
+    
+    
+    
+    
+    /** 
+     * 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()}. 
+     */
+    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
+        FileUploader mService;
+        public ServiceHandler(Looper looper, FileUploader service) {
+            super(looper);
+            if (service == null)
+                throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
+            mService = service;

         }
         }

-        Log.d(TAG, "Will upload " + mTotalDataToSend + " bytes, with " + mLocalPaths.length + " files");
-        mSuccessCounter = 0;
-        for (int i = 0; i < mLocalPaths.length; ++i) {
-            String mimeType = (mMimeTypes != null) ? mMimeTypes[i] : null;
-            if (mimeType == null) {
-                try {
-                    mimeType = MimeTypeMap.getSingleton()
-                        .getMimeTypeFromExtension(
-                                mLocalPaths[i].substring(mLocalPaths[i]
-                                    .lastIndexOf('.') + 1));
-                } catch (IndexOutOfBoundsException e) {
-                    Log.e(TAG, "Trying to find out MIME type of a file without extension: " + mLocalPaths[i]);
+
+        @Override
+        public void handleMessage(Message msg) {
+            @SuppressWarnings("unchecked")
+            AbstractList<String> requestedUploads = (AbstractList<String>) msg.obj;
+            if (msg.obj != null) {
+                Iterator<String> it = requestedUploads.iterator();
+                while (it.hasNext()) {
+                    mService.uploadFile(it.next());

                 }
             }
                 }
             }

-            if (mimeType == null)
-                mimeType = "application/octet-stream";
-            mCurrentIndexUpload = i;
+            mService.stopSelf(msg.arg1);
+        }
+    }
+
+    
+    
+    
+    /**
+     * Core upload method: sends the file(s) to upload
+     * 
+     * @param uploadKey   Key to access the upload to perform, contained in mPendingUploads
+     */
+    public void uploadFile(String uploadKey) {
+
+        synchronized(mPendingUploads) {
+            mCurrentUpload = mPendingUploads.get(uploadKey);
+        }
+        
+        if (mCurrentUpload != null) {
+            
+            /// prepare upload statistics
+            /*mTotalDataToSend = mSendData = mPreviousPercent = 0;
+            Iterator<UploadFileOperation> it = mUploads.iterator();
+            while (it.hasNext()) {
+                mTotalDataToSend += new File(it.next().getLocalPath()).length();
+            }
+            mTotalFilesToSend = mUploads.size();
+            Log.d(TAG, "Will upload " + mTotalDataToSend + " bytes, with " + mUploads.size() + " files");*/
+
+        
+            notifyUploadStart(mCurrentUpload);
+
+            
+            /// prepare client object to send requests to the ownCloud server
+            if (mUploadClient == null || !mLastAccount.equals(mCurrentUpload.getAccount())) {
+                mLastAccount = mCurrentUpload.getAccount();
+                mStorageManager = new FileDataStorageManager(mLastAccount, getContentResolver());
+                mUploadClient = OwnCloudClientUtils.createOwnCloudClient(mLastAccount, getApplicationContext());
+            }
+            
+            /// create remote folder for instant uploads, "if necessary" (would be great that HEAD to a folder worked as with files, we should check; but it's not WebDAV standard, anyway
+            if (mCurrentUpload.isInstant() && !mLastAccountWhereInstantFolderWasCreated.equals(mCurrentUpload.getAccount())) {
+                mLastAccountWhereInstantFolderWasCreated = mCurrentUpload.getAccount();
+                createRemoteFolderForInstantUploads(mUploadClient, mStorageManager);
+            }
+        
+            /// perform the upload
+            RemoteOperationResult uploadResult = null;

             long parentDirId = -1;
             long parentDirId = -1;

-            boolean uploadResult = false;
-            String availablePath = mRemotePaths[i];
-            if (!force_override)
-                availablePath = getAvailableRemotePath(wc, mRemotePaths[i]);

             try {
             try {

-                File f = new File(mRemotePaths[i]);
-                long size = localFiles[i].length();
-                parentDirId = storageManager.getFileByPath(f.getParent().endsWith("/")?f.getParent():f.getParent()+"/").getFileId();
-                if(availablePath != null) {
-                    mRemotePaths[i] = availablePath;
-                    mUploadsInProgress.put(buildRemoteName(mAccount.name, mRemotePaths[i]), mLocalPaths[i]);
-                    if (wc.putFile(mLocalPaths[i], mRemotePaths[i], mimeType)) {
-                        OCFile new_file = new OCFile(mRemotePaths[i]);
-                        new_file.setMimetype(mimeType);
-                        new_file.setFileLength(size);
-                        new_file.setModificationTimestamp(System.currentTimeMillis());
-                        new_file.setLastSyncDate(0);
-                        new_file.setStoragePath(mLocalPaths[i]);         
-                        new_file.setParentId(parentDirId);
-                        if (force_override)
-                            new_file.setKeepInSync(true);
-                        storageManager.saveFile(new_file);
-                        mSuccessCounter++;
-                        uploadResult = true;
-                    }
+                File remote = new File(mCurrentUpload.getRemotePath());
+                parentDirId = mStorageManager.getFileByPath(remote.getParent().endsWith("/")?remote.getParent():remote.getParent()+"/").getFileId();
+                File local = new File(mCurrentUpload.getLocalPath());
+                long size = local.length();
+                uploadResult = mCurrentUpload.execute(mUploadClient);
+                if (uploadResult.isSuccess()) {
+                    saveNewOCFile(mCurrentUpload, mStorageManager, parentDirId, size);

                 }
                 }

-            } finally {
-                mUploadsInProgress.remove(buildRemoteName(mAccount.name, mRemotePaths[i]));

                 
                 

-                /// notify upload (or fail) of EACH file to activities interested
-                Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
-                end.putExtra(EXTRA_PARENT_DIR_ID, parentDirId);
-                end.putExtra(EXTRA_UPLOAD_RESULT, uploadResult);
-                end.putExtra(EXTRA_REMOTE_PATH, mRemotePaths[i]);
-                end.putExtra(EXTRA_FILE_PATH, mLocalPaths[i]);
-                end.putExtra(ACCOUNT_NAME, mAccount.name);
-                sendBroadcast(end);
+            } finally {
+                synchronized(mPendingUploads) {
+                    mPendingUploads.remove(uploadKey);
+                }

             }
             }

+        
+            /// notify result
+            notifyUploadResult(uploadResult, mCurrentUpload);

             
             

+            sendFinalBroadcast(mCurrentUpload, uploadResult, parentDirId);
+            
+        }
+        
+    }
+
+    /**
+     * Create remote folder for instant uploads if necessary.
+     * 
+     * @param client            WebdavClient to the ownCloud server.
+     * @param storageManager    Interface to the local database caching the data in the server.
+     * @return                  'True' if the folder exists when the methods finishes.
+     */
+    private boolean createRemoteFolderForInstantUploads(WebdavClient client, FileDataStorageManager storageManager) {
+        boolean result = true;
+        OCFile instantUploadDir = storageManager.getFileByPath(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
+        if (instantUploadDir == null) {
+            result = client.createDirectory(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);    // fail could just mean that it already exists, but local database is not synchronized; the upload will be started anyway
+            OCFile newDir = new OCFile(InstantUploadBroadcastReceiver.INSTANT_UPLOAD_DIR);
+            newDir.setMimetype("DIR");
+            newDir.setParentId(storageManager.getFileByPath(OCFile.PATH_SEPARATOR).getFileId());
+            storageManager.saveFile(newDir);

         }
         }

+        return result;
+    }
+
+    /**
+     * Saves a new OC File after a successful upload.
+     * 
+     * @param upload            Upload operation completed.
+     * @param storageManager    Interface to the database where the new OCFile has to be stored.
+     * @param parentDirId       Id of the parent OCFile.
+     * @param size              Size of the file.
+     */
+    private void saveNewOCFile(UploadFileOperation upload, FileDataStorageManager storageManager, long parentDirId, long size) {
+        OCFile newFile = new OCFile(upload.getRemotePath());
+        newFile.setMimetype(upload.getMimeType());
+        newFile.setFileLength(size);
+        newFile.setModificationTimestamp(System.currentTimeMillis());
+        newFile.setLastSyncDate(0);
+        newFile.setStoragePath(upload.getLocalPath());         
+        newFile.setParentId(parentDirId);
+        if (upload.getForceOverwrite())
+            newFile.setKeepInSync(true);
+        storageManager.saveFile(newFile);
+    }
+
+    /**
+     * Creates a status notification to show the upload progress
+     * 
+     * @param upload    Upload operation starting.
+     */
+    private void notifyUploadStart(UploadFileOperation upload) {
+        /// create status notification with a progress bar
+        mLastPercent = 0;
+        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.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.progressbar_layout);
+        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, new File(upload.getLocalPath()).getName()));
+        mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
+        
+        /// includes a pending intent in the notification showing the details view of the file
+        /* TODO
+        Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
+        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(), 0, showDetailsIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+        */

         
         

-        /// notify final result
-        if (mSuccessCounter == mLocalPaths.length) {    // success
-            //Notification finalNotification = new Notification(R.drawable.icon, getString(R.string.uploader_upload_succeeded_ticker), System.currentTimeMillis());
+        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) {
+        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);
+            mNotification.contentView.setTextViewText(R.id.status_text, text);
+            mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
+        }
+        mLastPercent = percent;
+    }
+    
+    
+    /**
+     * Callback method to update the progress bar in the status notification  (old version)
+     */
+    @Override
+    public void onTransferProgress(long progressRate) {
+        // NOTHING TO DO HERE ANYMORE
+    }
+
+    
+    /**
+     * Updates the status notification with the result of an upload operation.
+     * 
+     * @param uploadResult    Result of the upload operation.
+     * @param upload          Finished upload operation
+     */
+    private void notifyUploadResult(RemoteOperationResult uploadResult, UploadFileOperation upload) {
+        if (uploadResult.isCancelled()) {
+            /// cancelled operation -> silent removal of progress notification
+            mNotificationManager.cancel(R.string.uploader_upload_in_progress_ticker);
+            
+        } else if (uploadResult.isSuccess()) {
+            /// 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.flags ^= Notification.FLAG_ONGOING_EVENT; // remove the ongoing flag
             mNotification.flags |= Notification.FLAG_AUTO_CANCEL;

-            mNotification.contentView = oldContentView;
-            // TODO put something smart in the contentIntent below
-            mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT);
-            if (mLocalPaths.length == 1) {
-                mNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                    getString(R.string.uploader_upload_succeeded_ticker), 
-                                                    String.format(getString(R.string.uploader_upload_succeeded_content_single), localFiles[0].getName()), 
-                                                    mNotification.contentIntent);
-            } else {
-                mNotification.setLatestEventInfo(   getApplicationContext(), 
+            mNotification.contentView = mDefaultNotificationContentView;
+            
+            /// includes a pending intent in the notification showing the details view of the file
+            /*
+            Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
+            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(), 0, showDetailsIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+            */
+            
+            mNotification.setLatestEventInfo(   getApplicationContext(), 
+                                                getString(R.string.uploader_upload_succeeded_ticker), 
+                                                String.format(getString(R.string.uploader_upload_succeeded_content_single), (new File(upload.getLocalPath())).getName()), 
+                                                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);
                                                     getString(R.string.uploader_upload_succeeded_ticker), 
                                                     String.format(getString(R.string.uploader_upload_succeeded_content_multiple), mSuccessCounter), 
                                                     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
+             */

             
         } else {
             
         } else {

+            /// fail -> explicit failure notification

             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());
             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
             // TODO put something smart in the contentIntent below
             finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT);
             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());
             finalNotification.flags |= Notification.FLAG_AUTO_CANCEL;
             // TODO put something smart in the contentIntent below
             finalNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT);

-            if (mLocalPaths.length == 1) {
-                finalNotification.setLatestEventInfo(   getApplicationContext(), 
-                                                        getString(R.string.uploader_upload_failed_ticker), 
-                                                        String.format(getString(R.string.uploader_upload_failed_content_single), localFiles[0].getName()), 
-                                                        finalNotification.contentIntent);
-            } else {
-                finalNotification.setLatestEventInfo(   getApplicationContext(), 
+            finalNotification.setLatestEventInfo(   getApplicationContext(), 
+                                                    getString(R.string.uploader_upload_failed_ticker), 
+                                                    String.format(getString(R.string.uploader_upload_failed_content_single), (new File(upload.getLocalPath())).getName()), 
+                                                    finalNotification.contentIntent);
+            
+            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), 
                                                         getString(R.string.uploader_upload_failed_ticker), 

-                                                        String.format(getString(R.string.uploader_upload_failed_content_multiple), mSuccessCounter, mLocalPaths.length), 
+                                                        String.format(getString(R.string.uploader_upload_failed_content_multiple), mSuccessCounter, mTotalFilesToSend), 

                                                         finalNotification.contentIntent);
                                                         finalNotification.contentIntent);

-            }                
-            mNotificationManager.notify(R.string.uploader_upload_failed_ticker, finalNotification);
+            } */                

         }
         
     }
         }
         
     }

-
-    /**
-     * Checks if remotePath does not exist in the server and returns it, or adds a suffix to it in order to avoid the server
-     * file is overwritten.
-     * 
-     * @param string
-     * @return
-     */
-    private String getAvailableRemotePath(WebdavClient wc, String remotePath) {
-        Boolean check = wc.existsFile(remotePath);
-        if (check == null) {    // null means fail
-            return null;
-        } else if (!check) {
-            return remotePath;
-        }
-    
-        int pos = remotePath.lastIndexOf(".");
-        String suffix = "";
-        String extension = "";
-        if (pos >= 0) {
-            extension = remotePath.substring(pos+1);
-            remotePath = remotePath.substring(0, pos);
-        }
-        int count = 2;
-        while (check != null && check) {
-            suffix = " (" + count + ")";
-            if (pos >= 0)
-                check = wc.existsFile(remotePath + suffix + "." + extension);
-            else
-                check = wc.existsFile(remotePath + suffix);
-            count++;
-        }
-        if (check == null) {
-            return null;
-        } else if (pos >=0) {
-            return remotePath + suffix + "." + extension;
-        } else {
-            return remotePath + suffix;
-        }
-    }

     
     
     /**
     
     
     /**

-     * Callback method to update the progress bar in the status notification.
+     * 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

      */
      */

-    @Override
-    public void transferProgress(long progressRate) {
-        mSendData += progressRate;
-        int percent = (int)(100*((double)mSendData)/((double)mTotalDataToSend));
-        if (percent != mPreviousPercent) {
-            String text = String.format(getString(R.string.uploader_upload_in_progress_content), percent, new File(mLocalPaths[mCurrentIndexUpload]).getName());
-            mNotification.contentView.setProgressBar(R.id.status_progress, 100, percent, false);
-            mNotification.contentView.setTextViewText(R.id.status_text, text);
-            mNotificationManager.notify(R.string.uploader_upload_in_progress_ticker, mNotification);
-        }
-        mPreviousPercent = percent;
+    private void sendFinalBroadcast(UploadFileOperation upload, RemoteOperationResult uploadResult, long parentDirId) {
+        Intent end = new Intent(UPLOAD_FINISH_MESSAGE);
+        end.putExtra(EXTRA_REMOTE_PATH, upload.getRemotePath());
+        end.putExtra(EXTRA_FILE_PATH, upload.getLocalPath());
+        end.putExtra(ACCOUNT_NAME, upload.getAccount().name);
+        end.putExtra(EXTRA_UPLOAD_RESULT, uploadResult.isSuccess());
+        end.putExtra(EXTRA_PARENT_DIR_ID, parentDirId);
+        sendBroadcast(end);

     }
     }

+
+

 }
 }