Merge pull request #1048 from owncloud/shareWithYou_icon_in_fileList
[pub/Android/ownCloud.git] / src / com / owncloud / android / services / OperationsService.java
index 80caea7..7667e90 100644 (file)
@@ -1,5 +1,7 @@
-/* ownCloud Android client application
- *   Copyright (C) 2012-2013 ownCloud Inc.
+/**
+ *   ownCloud Android client application
+ *
+ *   Copyright (C) 2015 ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
 package com.owncloud.android.services;
 
 import java.io.IOException;
-import java.util.HashMap;
 import java.util.Iterator;
-import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.ConcurrentMap;
 
+import com.owncloud.android.MainApp;
+import com.owncloud.android.R;
 import com.owncloud.android.datamodel.FileDataStorageManager;
-import com.owncloud.android.lib.common.OwnCloudClientFactory;
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.lib.common.OwnCloudAccount;
 import com.owncloud.android.lib.common.OwnCloudClient;
+import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
+import com.owncloud.android.lib.common.OwnCloudCredentials;
+import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
+import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
 import com.owncloud.android.lib.common.operations.RemoteOperation;
 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.utils.Log_OC;
 import com.owncloud.android.lib.resources.shares.ShareType;
+import com.owncloud.android.lib.resources.status.OwnCloudVersion;
+import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
 import com.owncloud.android.operations.common.SyncOperation;
+import com.owncloud.android.operations.CreateFolderOperation;
 import com.owncloud.android.operations.CreateShareOperation;
+import com.owncloud.android.operations.GetServerInfoOperation;
+import com.owncloud.android.operations.MoveFileOperation;
+import com.owncloud.android.operations.OAuth2GetAccessToken;
+import com.owncloud.android.operations.RemoveFileOperation;
+import com.owncloud.android.operations.RenameFileOperation;
+import com.owncloud.android.operations.SynchronizeFileOperation;
+import com.owncloud.android.operations.SynchronizeFolderOperation;
 import com.owncloud.android.operations.UnshareLinkOperation;
-import com.owncloud.android.utils.Log_OC;
 
 import android.accounts.Account;
+import android.accounts.AccountManager;
 import android.accounts.AccountsException;
+import android.accounts.AuthenticatorException;
+import android.accounts.OperationCanceledException;
 import android.app.Service;
 import android.content.Intent;
 import android.net.Uri;
@@ -47,7 +69,6 @@ import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
-//import android.support.v4.content.LocalBroadcastManager;
 import android.util.Pair;
 
 public class OperationsService extends Service {
@@ -56,35 +77,58 @@ public class OperationsService extends Service {
     
     public static final String EXTRA_ACCOUNT = "ACCOUNT";
     public static final String EXTRA_SERVER_URL = "SERVER_URL";
+    public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
+    public static final String EXTRA_NEWNAME = "NEWNAME";
+    public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
+    public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
+    public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
     public static final String EXTRA_RESULT = "RESULT";
+    public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
+    public static final String EXTRA_FILE = "FILE";
+    public static final String EXTRA_PASSWORD_SHARE = "PASSWORD_SHARE";
+
+    public static final String EXTRA_COOKIE = "COOKIE";
     
     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
     public static final String ACTION_UNSHARE = "UNSHARE";
+    public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
+    public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
+    public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
+    public static final String ACTION_RENAME = "RENAME";
+    public static final String ACTION_REMOVE = "REMOVE";
+    public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
+    public static final String ACTION_SYNC_FILE = "SYNC_FILE";
+    public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";//for the moment, just to download
+    public static final String ACTION_MOVE_FILE = "MOVE_FILE";
     
-    public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
-    public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
+    public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() +
+            ".OPERATION_ADDED";
+    public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() +
+            ".OPERATION_FINISHED";
+
 
-    private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations = new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
+    private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>> 
+        mUndispatchedFinishedOperations =
+            new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
     
     private static class Target {
         public Uri mServerUrl = null;
         public Account mAccount = null;
-        public Target(Account account, Uri serverUrl) {
+        public String mCookie = null;
+        
+        public Target(Account account, Uri serverUrl, String cookie) {
             mAccount = account;
             mServerUrl = serverUrl;
+            mCookie = cookie;
         }
     }
 
-    private Looper mServiceLooper;
-    private ServiceHandler mServiceHandler;
-    private OperationsServiceBinder mBinder;
-    private OwnCloudClient mOwnCloudClient = null;
-    private Target mLastTarget = null;
-    private FileDataStorageManager mStorageManager;
-    private RemoteOperation mCurrentOperation = null;
+    private ServiceHandler mOperationsHandler;
+    private OperationsServiceBinder mOperationsBinder;
     
+    private SyncFolderHandler mSyncFolderHandler;
     
     /**
      * Service initialization
@@ -92,76 +136,104 @@ public class OperationsService extends Service {
     @Override
     public void onCreate() {
         super.onCreate();
-        HandlerThread thread = new HandlerThread("Operations service thread", Process.THREAD_PRIORITY_BACKGROUND);
+        Log_OC.d(TAG, "Creating service");
+
+        /// First worker thread for most of operations 
+        HandlerThread thread = new HandlerThread("Operations thread",
+                Process.THREAD_PRIORITY_BACKGROUND);
         thread.start();
-        mServiceLooper = thread.getLooper();
-        mServiceHandler = new ServiceHandler(mServiceLooper, this);
-        mBinder = new OperationsServiceBinder();
+        mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
+        mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
+        
+        /// Separated worker thread for download of folders (WIP)
+        thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
+        thread.start();
+        mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
     }
 
+    
     /**
      * Entry point to add a new operation to the queue of operations.
      * 
      * New operations 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.
-     * 
-     * IMPORTANT: the only operations performed here right now is {@link GetSharedFilesOperation}. The class
-     * is taking advantage of it due to time constraints.
      */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        if (!intent.hasExtra(EXTRA_ACCOUNT) && !intent.hasExtra(EXTRA_SERVER_URL)) {
-            Log_OC.e(TAG, "Not enough information provided in intent");
-            return START_NOT_STICKY;
-        }
-        try {
-            Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
-            String serverUrl = intent.getStringExtra(EXTRA_SERVER_URL);
-            
-            Target target = new Target(account, (serverUrl == null) ? null : Uri.parse(serverUrl));
-            RemoteOperation operation = null;
-            
-            String action = intent.getAction();
-            if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
-                String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
-                Intent sendIntent = intent.getParcelableExtra(EXTRA_SEND_INTENT);
-                if (remotePath.length() > 0) {
-                    operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK, 
-                            "", false, "", 1, sendIntent);
-                }
-            } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
-                String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
-                if (remotePath.length() > 0) {
-                    operation = new UnshareLinkOperation(remotePath, this.getApplicationContext());
-                }
-            } else {
-                // nothing we are going to handle
+        Log_OC.d(TAG, "Starting command with id " + startId);
+
+        // WIP: for the moment, only SYNC_FOLDER is expected here;
+        // the rest of the operations are requested through the Binder
+        if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
+
+            if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
+                Log_OC.e(TAG, "Not enough information provided in intent");
                 return START_NOT_STICKY;
             }
-            
-            mPendingOperations.add(new Pair<Target , RemoteOperation>(target, operation));
-            //sendBroadcastNewOperation(target, operation);
-            
-            Message msg = mServiceHandler.obtainMessage();
+            Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
+            String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
+
+            Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
+
+            Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
+            if (itemToQueue != null) {
+                mSyncFolderHandler.add(account, remotePath,
+                        (SynchronizeFolderOperation)itemToQueue.second);
+                Message msg = mSyncFolderHandler.obtainMessage();
+                msg.arg1 = startId;
+                msg.obj = itemSyncKey;
+                mSyncFolderHandler.sendMessage(msg);
+            }
+
+        } else {
+            Message msg = mOperationsHandler.obtainMessage();
             msg.arg1 = startId;
-            mServiceHandler.sendMessage(msg);
-            
-        } catch (IllegalArgumentException e) {
-            Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
-            return START_NOT_STICKY;
+            mOperationsHandler.sendMessage(msg);
         }
         
         return START_NOT_STICKY;
     }
 
-    
+    @Override
+    public void onDestroy() {
+        Log_OC.v(TAG, "Destroying service" );
+        // Saving cookies
+        try {
+            OwnCloudClientManagerFactory.getDefaultSingleton().
+                saveAllClients(this, MainApp.getAccountType());
+            
+            // TODO - get rid of these exceptions
+        } catch (AccountNotFoundException e) {
+            e.printStackTrace();
+        } catch (AuthenticatorException e) {
+            e.printStackTrace();
+        } catch (OperationCanceledException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        
+        mUndispatchedFinishedOperations.clear();
+
+        mOperationsBinder = null;
+
+        mOperationsHandler.getLooper().quit();
+        mOperationsHandler = null;
+
+        mSyncFolderHandler.getLooper().quit();
+        mSyncFolderHandler = null;
+
+        super.onDestroy();
+    }
+
     /**
      * Provides a binder object that clients can use to perform actions on the queue of operations, 
      * except the addition of new operations. 
      */
     @Override
     public IBinder onBind(Intent intent) {
-        return mBinder;
+        //Log_OC.wtf(TAG, "onBind" );
+        return mOperationsBinder;
     }
 
     
@@ -170,11 +242,11 @@ public class OperationsService extends Service {
      */
     @Override
     public boolean onUnbind(Intent intent) {
-        //((OperationsServiceBinder)mBinder).clearListeners();
+        mOperationsBinder.clearListeners();
         return false;   // not accepting rebinding (default behaviour)
     }
 
-    
+
     /**
      *  Binder to let client components to perform actions on the queue of operations.
      * 
@@ -183,20 +255,30 @@ public class OperationsService extends Service {
     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
         
         /** 
-         * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance 
+         * Map of listeners that will be reported about the end of operations from a
+         * {@link OperationsServiceBinder} instance
          */
-        private Map<OnRemoteOperationListener, Handler> mBoundListeners = new HashMap<OnRemoteOperationListener, Handler>();
+        private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners = 
+                new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
         
+        private ServiceHandler mServiceHandler = null;   
+
+        public OperationsServiceBinder(ServiceHandler serviceHandler) {
+            mServiceHandler = serviceHandler;
+        }
+
+
         /**
-         * Cancels an operation
+         * Cancels a pending or current synchronization.
          *
-         * TODO
+         * @param account       ownCloud account where the remote folder is stored.
+         * @param file          A folder in the queue of pending synchronizations
          */
-        public void cancel() {
-            // TODO
+        public void cancel(Account account, OCFile file) {
+            mSyncFolderHandler.cancel(account, file);
         }
-        
-        
+
+
         public void clearListeners() {
             
             mBoundListeners.clear();
@@ -207,43 +289,115 @@ public class OperationsService extends Service {
          * Adds a listener interested in being reported about the end of operations.
          * 
          * @param listener          Object to notify about the end of operations.    
-         * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
+         * @param callbackHandler   {@link Handler} to access the listener without
+         *                                         breaking Android threading protection.
          */
-        public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
-            mBoundListeners.put(listener, callbackHandler);
+        public void addOperationListener (OnRemoteOperationListener listener,
+                                          Handler callbackHandler) {
+            synchronized (mBoundListeners) {
+                mBoundListeners.put(listener, callbackHandler);
+            }
         }
         
         
         /**
-         * Removes a listener from the list of objects interested in the being reported about the end of operations.
+         * Removes a listener from the list of objects interested in the being reported about
+         * the end of operations.
          * 
          * @param listener      Object to notify about progress of transfer.    
          */
         public void removeOperationListener (OnRemoteOperationListener listener) {
-            mBoundListeners.remove(listener);
+            synchronized (mBoundListeners) {
+                mBoundListeners.remove(listener);
+            }
         }
 
 
         /**
          * TODO - IMPORTANT: update implementation when more operations are moved into the service 
          * 
-         * @return  'True' when an operation that enforces the user to wait for completion is in process.
+         * @return  'True' when an operation that enforces the user to wait for completion is
+         *          in process.
          */
         public boolean isPerformingBlockingOperation() {
-            return (!mPendingOperations.isEmpty());
+            return (!mServiceHandler.mPendingOperations.isEmpty());
+        }
+
+
+        /**
+         * Creates and adds to the queue a new operation, as described by operationIntent.
+         * 
+         * Calls startService to make the operation is processed by the ServiceHandler.
+         * 
+         * @param operationIntent       Intent describing a new operation to queue and execute.
+         * @return                      Identifier of the operation created, or null if failed.
+         */
+        public long queueNewOperation(Intent operationIntent) {
+            Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
+            if (itemToQueue != null) {
+                mServiceHandler.mPendingOperations.add(itemToQueue);
+                startService(new Intent(OperationsService.this, OperationsService.class));
+                return itemToQueue.second.hashCode();
+                
+            } else {
+                return Long.MAX_VALUE;
+            }
+        }
+        
+        
+        public boolean dispatchResultIfFinished(int operationId,
+                                                OnRemoteOperationListener listener) {
+            Pair<RemoteOperation, RemoteOperationResult> undispatched = 
+                    mUndispatchedFinishedOperations.remove(operationId);
+            if (undispatched != null) {
+                listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
+                return true;
+                //Log_OC.wtf(TAG, "Sending callback later");
+            } else {
+                return (!mServiceHandler.mPendingOperations.isEmpty());
+            }
+        }
+        
+        
+        /**
+         * Returns True when the file described by 'file' in the ownCloud account 'account' is
+         * downloading or waiting to download.
+         * 
+         * If 'file' is a directory, returns 'true' if some of its descendant files is downloading
+         * or waiting to download.
+         * 
+         * @param account       ownCloud account where the remote file is stored.
+         * @param remotePath    Path of the folder to check if something is synchronizing
+         *                      / downloading / uploading inside.
+         */
+        public boolean isSynchronizing(Account account, String remotePath) {
+            return mSyncFolderHandler.isSynchronizing(account, remotePath);
         }
 
     }
-    
-    
-    /** 
+
+
+    /**
      * Operations worker. Performs the pending operations in the order they were requested. 
      * 
      * Created with the Looper of a new thread, started in {@link OperationsService#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
+        // don't make it a final class, and don't remove the static ; lint will warn about a p
+        // ossible memory leak
+        
+        
         OperationsService mService;
+        
+        
+        private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
+                new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
+        private RemoteOperation mCurrentOperation = null;
+        private Target mLastTarget = null;
+        private OwnCloudClient mOwnCloudClient = null;
+        private FileDataStorageManager mStorageManager;
+        
+        
         public ServiceHandler(Looper looper, OperationsService service) {
             super(looper);
             if (service == null) {
@@ -254,85 +408,246 @@ public class OperationsService extends Service {
 
         @Override
         public void handleMessage(Message msg) {
-            mService.nextOperation();
+            nextOperation();
+            Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
             mService.stopSelf(msg.arg1);
         }
-    }
-    
-
-    /**
-     * Performs the next operation in the queue
-     */
-    private void nextOperation() {
         
-        Pair<Target, RemoteOperation> next = null;
-        synchronized(mPendingOperations) {
-            next = mPendingOperations.peek();
-        }
         
-        if (next != null) {
+        /**
+         * Performs the next operation in the queue
+         */
+        private void nextOperation() {
+            
+            //Log_OC.wtf(TAG, "nextOperation init" );
             
-            mCurrentOperation = next.second;
-            RemoteOperationResult result = null;
-            try {
-                /// prepare client object to send the request to the ownCloud server
-                if (mLastTarget == null || !mLastTarget.equals(next.first)) {
-                    mLastTarget = next.first;
-                    if (mLastTarget.mAccount != null) {
-                        mOwnCloudClient = OwnCloudClientFactory.createOwnCloudClient(mLastTarget.mAccount, getApplicationContext());
-                        mStorageManager = new FileDataStorageManager(mLastTarget.mAccount, getContentResolver());
+            Pair<Target, RemoteOperation> next = null;
+            synchronized(mPendingOperations) {
+                next = mPendingOperations.peek();
+            }
+
+            if (next != null) {
+                
+                mCurrentOperation = next.second;
+                RemoteOperationResult result = null;
+                try {
+                    /// prepare client object to send the request to the ownCloud server
+                    if (mLastTarget == null || !mLastTarget.equals(next.first)) {
+                        mLastTarget = next.first;
+                        if (mLastTarget.mAccount != null) {
+                            OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount,
+                                    mService);
+                            mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
+                                    getClientFor(ocAccount, mService);
+
+                            OwnCloudVersion version = com.owncloud.android.authentication.AccountUtils.getServerVersion(
+                                    mLastTarget.mAccount
+                            );
+                            mOwnCloudClient.setOwnCloudVersion(version);
+
+                            mStorageManager = new FileDataStorageManager(
+                                    mLastTarget.mAccount, 
+                                    mService.getContentResolver()
+                            );
+                        } else {
+                            OwnCloudCredentials credentials = null;
+                            if (mLastTarget.mCookie != null &&
+                                    mLastTarget.mCookie.length() > 0) {
+                                // just used for GetUserName
+                                // TODO refactor to run GetUserName as AsyncTask in the context of
+                                // AuthenticatorActivity
+                                credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
+                                        mLastTarget.mCookie); // SAML SSO
+                            }
+                            OwnCloudAccount ocAccount = new OwnCloudAccount(
+                                    mLastTarget.mServerUrl, credentials);
+                            mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
+                                    getClientFor(ocAccount, mService);
+                            mStorageManager = null;
+                        }
+                    }
+
+                    /// perform the operation
+                    if (mCurrentOperation instanceof SyncOperation) {
+                        result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient,
+                                mStorageManager);
                     } else {
-                        mOwnCloudClient = OwnCloudClientFactory.createOwnCloudClient(mLastTarget.mServerUrl, getApplicationContext(), true);    // this is not good enough
-                        mStorageManager = null;
+                        result = mCurrentOperation.execute(mOwnCloudClient);
+                    }
+                    
+                } catch (AccountsException e) {
+                    if (mLastTarget.mAccount == null) {
+                        Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
+                                e);
+                    } else {
+                        Log_OC.e(TAG, "Error while trying to get authorization for " +
+                                mLastTarget.mAccount.name, e);
+                    }
+                    result = new RemoteOperationResult(e);
+                    
+                } catch (IOException e) {
+                    if (mLastTarget.mAccount == null) {
+                        Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
+                                e);
+                    } else {
+                        Log_OC.e(TAG, "Error while trying to get authorization for " +
+                                mLastTarget.mAccount.name, e);
+                    }
+                    result = new RemoteOperationResult(e);
+                } catch (Exception e) {
+                    if (mLastTarget.mAccount == null) {
+                        Log_OC.e(TAG, "Unexpected error for a NULL account", e);
+                    } else {
+                        Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
+                    }
+                    result = new RemoteOperationResult(e);
+                
+                } finally {
+                    synchronized(mPendingOperations) {
+                        mPendingOperations.poll();
                     }
                 }
+                
+                //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
+                mService.dispatchResultToOperationListeners(mCurrentOperation, result);
+            }
+        }
 
-                /// perform the operation
-                if (mCurrentOperation instanceof SyncOperation) {
-                    result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
-                } else {
-                    result = mCurrentOperation.execute(mOwnCloudClient);
-                }
-            
-            } catch (AccountsException e) {
-                if (mLastTarget.mAccount == null) {
-                    Log_OC.e(TAG, "Error while trying to get autorization for a NULL account", e);
-                } else {
-                    Log_OC.e(TAG, "Error while trying to get autorization for " + mLastTarget.mAccount.name, e);
-                }
-                result = new RemoteOperationResult(e);
+
+        
+    }
+    
+
+    /**
+     * Creates a new operation, as described by operationIntent.
+     * 
+     * TODO - move to ServiceHandler (probably)
+     * 
+     * @param operationIntent       Intent describing a new operation to queue and execute.
+     * @return                      Pair with the new operation object and the information about its
+     *                              target server.
+     */
+    private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
+        RemoteOperation operation = null;
+        Target target = null;
+        try {
+            if (!operationIntent.hasExtra(EXTRA_ACCOUNT) && 
+                    !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
+                Log_OC.e(TAG, "Not enough information provided in intent");
                 
-            } catch (IOException e) {
-                if (mLastTarget.mAccount == null) {
-                    Log_OC.e(TAG, "Error while trying to get autorization for a NULL account", e);
-                } else {
-                    Log_OC.e(TAG, "Error while trying to get autorization for " + mLastTarget.mAccount.name, e);
-                }
-                result = new RemoteOperationResult(e);
-            } catch (Exception e) {
-                if (mLastTarget.mAccount == null) {
-                    Log_OC.e(TAG, "Unexpected error for a NULL account", e);
-                } else {
-                    Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
-                }
-                result = new RemoteOperationResult(e);
-            
-            } finally {
-                synchronized(mPendingOperations) {
-                    mPendingOperations.poll();
+            } else {
+                Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
+                String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
+                String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
+                target = new Target(
+                        account, 
+                        (serverUrl == null) ? null : Uri.parse(serverUrl),
+                        cookie
+                );
+                
+                String action = operationIntent.getAction();
+                if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    String password = operationIntent.getStringExtra(EXTRA_PASSWORD_SHARE);
+                    Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
+                    if (remotePath.length() > 0) {
+                        operation = new CreateShareOperation(OperationsService.this, remotePath,
+                                ShareType.PUBLIC_LINK,
+                                "", false, password, 1, sendIntent);
+                    }
+                    
+                } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    if (remotePath.length() > 0) {
+                        operation = new UnshareLinkOperation(
+                                remotePath, 
+                                OperationsService.this);
+                    }
+                    
+                } else if (action.equals(ACTION_GET_SERVER_INFO)) { 
+                    // check OC server and get basic information from it
+                    operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
+                    
+                } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
+                    /// GET ACCESS TOKEN to the OAuth server
+                    String oauth2QueryParameters =
+                            operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
+                    operation = new OAuth2GetAccessToken(
+                            getString(R.string.oauth2_client_id), 
+                            getString(R.string.oauth2_redirect_uri),       
+                            getString(R.string.oauth2_grant_type),
+                            oauth2QueryParameters);
+                    
+                } else if (action.equals(ACTION_GET_USER_NAME)) {
+                    // Get User Name
+                    operation = new GetRemoteUserNameOperation();
+                    
+                } else if (action.equals(ACTION_RENAME)) {
+                    // Rename file or folder
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
+                    operation = new RenameFileOperation(remotePath, newName);
+                    
+                } else if (action.equals(ACTION_REMOVE)) {
+                    // Remove file or folder
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL,
+                            false);
+                    operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
+                    
+                } else if (action.equals(ACTION_CREATE_FOLDER)) {
+                    // Create Folder
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH,
+                            true);
+                    operation = new CreateFolderOperation(remotePath, createFullPath);
+                    
+                } else if (action.equals(ACTION_SYNC_FILE)) {
+                    // Sync file
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    boolean syncFileContents =
+                            operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
+                    operation = new SynchronizeFileOperation(
+                            remotePath, account, syncFileContents, getApplicationContext()
+                    );
+                    
+                } else if (action.equals(ACTION_SYNC_FOLDER)) {
+                    // Sync file
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    operation = new SynchronizeFolderOperation(
+                            this,                       // TODO remove this dependency from construction time
+                            remotePath,
+                            account, 
+                            System.currentTimeMillis()  // TODO remove this dependency from construction time
+                    );
+                    
+                } else if (action.equals(ACTION_MOVE_FILE)) {
+                    // Move file/folder
+                    String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
+                    String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
+                    operation = new MoveFileOperation(remotePath,newParentPath,account);
                 }
+                
             }
-            
-            //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
-            callbackOperationListeners(mLastTarget, mCurrentOperation, result);
+                
+        } catch (IllegalArgumentException e) {
+            Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
+            operation = null;
         }
-    }
 
+        if (operation != null) {
+            return new Pair<Target , RemoteOperation>(target, operation);  
+        } else {
+            return null;
+        }
+    }
+    
 
     /**
      * Sends a broadcast when a new operation is added to the queue.
      * 
-     * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
+     * Local broadcasts are only delivered to activities in the same process, but can't be
+     * done sticky :\
      * 
      * @param target            Account or URL pointing to an OC server.
      * @param operation         Added operation.
@@ -353,7 +668,8 @@ public class OperationsService extends Service {
     // TODO - maybe add a notification for real start of operations
     
     /**
-     * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
+     * Sends a LOCAL broadcast when an operations finishes in order to the interested activities c
+     * an update their view
      * 
      * Local broadcasts are only delivered to activities in the same process.
      * 
@@ -361,7 +677,8 @@ public class OperationsService extends Service {
      * @param operation         Finished operation.
      * @param result            Result of the operation.
      */
-    private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
+    private void sendBroadcastOperationFinished(Target target, RemoteOperation operation,
+                                                RemoteOperationResult result) {
         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
         intent.putExtra(EXTRA_RESULT, result);
         if (target.mAccount != null) {
@@ -377,16 +694,19 @@ public class OperationsService extends Service {
     
     /**
      * Notifies the currently subscribed listeners about the end of an operation.
-     * 
-     * @param target            Account or URL pointing to an OC server.
+     *
      * @param operation         Finished operation.
      * @param result            Result of the operation.
      */
-    private void callbackOperationListeners(Target target, final RemoteOperation operation, final RemoteOperationResult result) {
-        Iterator<OnRemoteOperationListener> listeners = mBinder.mBoundListeners.keySet().iterator();
+    protected void dispatchResultToOperationListeners(
+            final RemoteOperation operation, final RemoteOperationResult result
+    ) {
+        int count = 0;
+        Iterator<OnRemoteOperationListener> listeners =
+                mOperationsBinder.mBoundListeners.keySet().iterator();
         while (listeners.hasNext()) {
             final OnRemoteOperationListener listener = listeners.next();
-            final Handler handler = mBinder.mBoundListeners.get(listener);
+            final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
             if (handler != null) { 
                 handler.post(new Runnable() {
                     @Override
@@ -394,10 +714,15 @@ public class OperationsService extends Service {
                         listener.onRemoteOperationFinish(operation, result);
                     }
                 });
+                count += 1;
             }
         }
-            
+        if (count == 0) {
+            //mOperationResults.put(operation.hashCode(), result);
+            Pair<RemoteOperation, RemoteOperationResult> undispatched = 
+                    new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
+            mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
+        }
+        Log_OC.d(TAG, "Called " + count + " listeners");
     }
-    
-
 }