src/com/owncloud/android/services/OperationsService.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.services;
  21
  22 import android.accounts.Account;
  23 import android.accounts.AccountsException;
  24 import android.accounts.AuthenticatorException;
  25 import android.accounts.OperationCanceledException;
  26 import android.app.Service;
  27 import android.content.Intent;
  28 import android.net.Uri;
  29 import android.os.Binder;
  30 import android.os.Handler;
  31 import android.os.HandlerThread;
  32 import android.os.IBinder;
  33 import android.os.Looper;
  34 import android.os.Message;
  35 import android.os.Process;
  36 import android.util.Pair;
  37
  38 import com.owncloud.android.MainApp;
  39 import com.owncloud.android.R;
  40 import com.owncloud.android.datamodel.FileDataStorageManager;
  41 import com.owncloud.android.datamodel.OCFile;
  42 import com.owncloud.android.lib.common.OwnCloudAccount;
  43 import com.owncloud.android.lib.common.OwnCloudClient;
  44 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  45 import com.owncloud.android.lib.common.OwnCloudCredentials;
  46 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  47 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  48 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  49 import com.owncloud.android.lib.common.operations.RemoteOperation;
  50 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  51 import com.owncloud.android.lib.common.utils.Log_OC;
  52 import com.owncloud.android.lib.resources.shares.ShareType;
  53 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  54 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  55 import com.owncloud.android.operations.CopyFileOperation;
  56 import com.owncloud.android.operations.CreateFolderOperation;
  57 import com.owncloud.android.operations.CreateShareOperation;
  58 import com.owncloud.android.operations.GetServerInfoOperation;
  59 import com.owncloud.android.operations.MoveFileOperation;
  60 import com.owncloud.android.operations.OAuth2GetAccessToken;
  61 import com.owncloud.android.operations.RemoveFileOperation;
  62 import com.owncloud.android.operations.RenameFileOperation;
  63 import com.owncloud.android.operations.SynchronizeFileOperation;
  64 import com.owncloud.android.operations.SynchronizeFolderOperation;
  65 import com.owncloud.android.operations.UnshareOperation;
  66 import com.owncloud.android.operations.common.SyncOperation;
  67
  68 import java.io.IOException;
  69 import java.util.Iterator;
  70 import java.util.concurrent.ConcurrentHashMap;
  71 import java.util.concurrent.ConcurrentLinkedQueue;
  72 import java.util.concurrent.ConcurrentMap;
  73
  74 public class OperationsService extends Service {
  75
  76     private static final String TAG = OperationsService.class.getSimpleName();
  77
  78     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  79     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  80     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  81     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  82     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  83     public static final String EXTRA_NEWNAME = "NEWNAME";
  84     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  85     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  86     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  87     public static final String EXTRA_RESULT = "RESULT";
  88     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  89     public static final String EXTRA_FILE = "FILE";
  90     public static final String EXTRA_PASSWORD_SHARE = "PASSWORD_SHARE";
  91     public static final String EXTRA_SHARE_TYPE = "SHARE_TYPE";
  92     public static final String EXTRA_SHARE_WITH = "SHARE_WITH";
  93
  94     public static final String EXTRA_COOKIE = "COOKIE";
  95
  96     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  97     public static final String ACTION_UNSHARE = "UNSHARE";
  98     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  99     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
 100     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
 101     public static final String ACTION_RENAME = "RENAME";
 102     public static final String ACTION_REMOVE = "REMOVE";
 103     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 104     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 105     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";
 106     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 107     public static final String ACTION_COPY_FILE = "COPY_FILE";
 108
 109     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() +
 110             ".OPERATION_ADDED";
 111     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() +
 112             ".OPERATION_FINISHED";
 113
 114
 115
 116     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 117             mUndispatchedFinishedOperations =
 118             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 119
 120     private static class Target {
 121         public Uri mServerUrl = null;
 122         public Account mAccount = null;
 123         public String mCookie = null;
 124
 125         public Target(Account account, Uri serverUrl, String cookie) {
 126             mAccount = account;
 127             mServerUrl = serverUrl;
 128             mCookie = cookie;
 129         }
 130     }
 131
 132     private ServiceHandler mOperationsHandler;
 133     private OperationsServiceBinder mOperationsBinder;
 134
 135     private SyncFolderHandler mSyncFolderHandler;
 136
 137     /**
 138      * Service initialization
 139      */
 140     @Override
 141     public void onCreate() {
 142         super.onCreate();
 143         Log_OC.d(TAG, "Creating service");
 144
 145         /// First worker thread for most of operations
 146         HandlerThread thread = new HandlerThread("Operations thread",
 147                 Process.THREAD_PRIORITY_BACKGROUND);
 148         thread.start();
 149         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 150         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 151
 152         /// Separated worker thread for download of folders (WIP)
 153         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 154         thread.start();
 155         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 156     }
 157
 158
 159     /**
 160      * Entry point to add a new operation to the queue of operations.
 161      * <p/>
 162      * New operations are added calling to startService(), resulting in a call to this method.
 163      * This ensures the service will keep on working although the caller activity goes away.
 164      */
 165     @Override
 166     public int onStartCommand(Intent intent, int flags, int startId) {
 167         Log_OC.d(TAG, "Starting command with id " + startId);
 168
 169         // WIP: for the moment, only SYNC_FOLDER is expected here;
 170         // the rest of the operations are requested through the Binder
 171         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 172
 173             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 174                 Log_OC.e(TAG, "Not enough information provided in intent");
 175                 return START_NOT_STICKY;
 176             }
 177             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 178             String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
 179
 180             Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
 181
 182             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 183             if (itemToQueue != null) {
 184                 mSyncFolderHandler.add(account, remotePath,
 185                         (SynchronizeFolderOperation)itemToQueue.second);
 186                 Message msg = mSyncFolderHandler.obtainMessage();
 187                 msg.arg1 = startId;
 188                 msg.obj = itemSyncKey;
 189                 mSyncFolderHandler.sendMessage(msg);
 190             }
 191
 192         } else {
 193             Message msg = mOperationsHandler.obtainMessage();
 194             msg.arg1 = startId;
 195             mOperationsHandler.sendMessage(msg);
 196         }
 197
 198         return START_NOT_STICKY;
 199     }
 200
 201     @Override
 202     public void onDestroy() {
 203         Log_OC.v(TAG, "Destroying service" );
 204         // Saving cookies
 205         try {
 206             OwnCloudClientManagerFactory.getDefaultSingleton().
 207                     saveAllClients(this, MainApp.getAccountType());
 208
 209             // TODO - get rid of these exceptions
 210         } catch (AccountNotFoundException e) {
 211             e.printStackTrace();
 212         } catch (AuthenticatorException e) {
 213             e.printStackTrace();
 214         } catch (OperationCanceledException e) {
 215             e.printStackTrace();
 216         } catch (IOException e) {
 217             e.printStackTrace();
 218         }
 219
 220         mUndispatchedFinishedOperations.clear();
 221
 222         mOperationsBinder = null;
 223
 224         mOperationsHandler.getLooper().quit();
 225         mOperationsHandler = null;
 226
 227         mSyncFolderHandler.getLooper().quit();
 228         mSyncFolderHandler = null;
 229
 230         super.onDestroy();
 231     }
 232
 233     /**
 234      * Provides a binder object that clients can use to perform actions on the queue of operations,
 235      * except the addition of new operations.
 236      */
 237     @Override
 238     public IBinder onBind(Intent intent) {
 239         return mOperationsBinder;
 240     }
 241
 242
 243     /**
 244      * Called when ALL the bound clients were unbound.
 245      */
 246     @Override
 247     public boolean onUnbind(Intent intent) {
 248         mOperationsBinder.clearListeners();
 249         return false;   // not accepting rebinding (default behaviour)
 250     }
 251
 252
 253     /**
 254      * Binder to let client components to perform actions on the queue of operations.
 255      * <p/>
 256      * It provides by itself the available operations.
 257      */
 258     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 259
 260         /**
 261          * Map of listeners that will be reported about the end of operations from a
 262          * {@link OperationsServiceBinder} instance
 263          */
 264         private final ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 265                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 266
 267         private ServiceHandler mServiceHandler = null;
 268
 269         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 270             mServiceHandler = serviceHandler;
 271         }
 272
 273
 274         /**
 275          * Cancels a pending or current synchronization.
 276          *
 277          * @param account       ownCloud account where the remote folder is stored.
 278          * @param file          A folder in the queue of pending synchronizations
 279          */
 280         public void cancel(Account account, OCFile file) {
 281             mSyncFolderHandler.cancel(account, file);
 282         }
 283
 284
 285         public void clearListeners() {
 286
 287             mBoundListeners.clear();
 288         }
 289
 290
 291         /**
 292          * Adds a listener interested in being reported about the end of operations.
 293          *
 294          * @param listener          Object to notify about the end of operations.
 295          * @param callbackHandler   {@link Handler} to access the listener without
 296          *                                         breaking Android threading protection.
 297          */
 298         public void addOperationListener (OnRemoteOperationListener listener,
 299                                           Handler callbackHandler) {
 300             synchronized (mBoundListeners) {
 301                 mBoundListeners.put(listener, callbackHandler);
 302             }
 303         }
 304
 305
 306         /**
 307          * Removes a listener from the list of objects interested in the being reported about
 308          * the end of operations.
 309          *
 310          * @param listener      Object to notify about progress of transfer.
 311          */
 312         public void removeOperationListener(OnRemoteOperationListener listener) {
 313             synchronized (mBoundListeners) {
 314                 mBoundListeners.remove(listener);
 315             }
 316         }
 317
 318
 319         /**
 320          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 321          *
 322          * @return  'True' when an operation that enforces the user to wait for completion is
 323          *          in process.
 324          */
 325         public boolean isPerformingBlockingOperation() {
 326             return (!mServiceHandler.mPendingOperations.isEmpty());
 327         }
 328
 329
 330         /**
 331          * Creates and adds to the queue a new operation, as described by operationIntent.
 332          *
 333          * Calls startService to make the operation is processed by the ServiceHandler.
 334          *
 335          * @param operationIntent       Intent describing a new operation to queue and execute.
 336          * @return                      Identifier of the operation created, or null if failed.
 337          */
 338         public long queueNewOperation(Intent operationIntent) {
 339             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 340             if (itemToQueue != null) {
 341                 mServiceHandler.mPendingOperations.add(itemToQueue);
 342                 startService(new Intent(OperationsService.this, OperationsService.class));
 343                 return itemToQueue.second.hashCode();
 344
 345             } else {
 346                 return Long.MAX_VALUE;
 347             }
 348         }
 349
 350
 351         public boolean dispatchResultIfFinished(int operationId,
 352                                                 OnRemoteOperationListener listener) {
 353             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 354                     mUndispatchedFinishedOperations.remove(operationId);
 355             if (undispatched != null) {
 356                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 357                 return true;
 358                 //Log_OC.wtf(TAG, "Sending callback later");
 359             } else {
 360                 return (!mServiceHandler.mPendingOperations.isEmpty());
 361             }
 362         }
 363
 364
 365         /**
 366          * Returns True when the file described by 'file' in the ownCloud account 'account' is
 367          * downloading or waiting to download.
 368          *
 369          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading
 370          * or waiting to download.
 371          *
 372          * @param account       ownCloud account where the remote file is stored.
 373          * @param remotePath    Path of the folder to check if something is synchronizing
 374          *                      / downloading / uploading inside.
 375          */
 376         public boolean isSynchronizing(Account account, String remotePath) {
 377             return mSyncFolderHandler.isSynchronizing(account, remotePath);
 378         }
 379
 380     }
 381
 382
 383     /**
 384      * Operations worker. Performs the pending operations in the order they were requested.
 385      *
 386      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 387      */
 388     private static class ServiceHandler extends Handler {
 389         // don't make it a final class, and don't remove the static ; lint will warn about a p
 390         // ossible memory leak
 391
 392
 393         OperationsService mService;
 394
 395
 396         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 397                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 398         private RemoteOperation mCurrentOperation = null;
 399         private Target mLastTarget = null;
 400         private OwnCloudClient mOwnCloudClient = null;
 401         private FileDataStorageManager mStorageManager;
 402
 403
 404         public ServiceHandler(Looper looper, OperationsService service) {
 405             super(looper);
 406             if (service == null) {
 407                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 408             }
 409             mService = service;
 410         }
 411
 412         @Override
 413         public void handleMessage(Message msg) {
 414             nextOperation();
 415             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 416             mService.stopSelf(msg.arg1);
 417         }
 418
 419
 420         /**
 421          * Performs the next operation in the queue
 422          */
 423         private void nextOperation() {
 424
 425             //Log_OC.wtf(TAG, "nextOperation init" );
 426
 427             Pair<Target, RemoteOperation> next = null;
 428             synchronized(mPendingOperations) {
 429                 next = mPendingOperations.peek();
 430             }
 431
 432             if (next != null) {
 433
 434                 mCurrentOperation = next.second;
 435                 RemoteOperationResult result = null;
 436                 try {
 437                     /// prepare client object to send the request to the ownCloud server
 438                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 439                         mLastTarget = next.first;
 440                         if (mLastTarget.mAccount != null) {
 441                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount,
 442                                     mService);
 443                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 444                                     getClientFor(ocAccount, mService);
 445
 446                             OwnCloudVersion version = com.owncloud.android.authentication.AccountUtils.getServerVersion(
 447                                     mLastTarget.mAccount
 448                             );
 449                             mOwnCloudClient.setOwnCloudVersion(version);
 450
 451                             mStorageManager = new FileDataStorageManager(
 452                                     mLastTarget.mAccount,
 453                                     mService.getContentResolver()
 454                             );
 455                         } else {
 456                             OwnCloudCredentials credentials = null;
 457                             if (mLastTarget.mCookie != null &&
 458                                     mLastTarget.mCookie.length() > 0) {
 459                                 // just used for GetUserName
 460                                 // TODO refactor to run GetUserName as AsyncTask in the context of
 461                                 // AuthenticatorActivity
 462                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 463                                         null,                   // unknown
 464                                         mLastTarget.mCookie);   // SAML SSO
 465                             }
 466                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 467                                     mLastTarget.mServerUrl, credentials);
 468                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 469                                     getClientFor(ocAccount, mService);
 470                             mStorageManager = null;
 471                         }
 472                     }
 473
 474                     /// perform the operation
 475                     if (mCurrentOperation instanceof SyncOperation) {
 476                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient,
 477                                 mStorageManager);
 478                     } else {
 479                         result = mCurrentOperation.execute(mOwnCloudClient);
 480                     }
 481
 482                 } catch (AccountsException e) {
 483                     if (mLastTarget.mAccount == null) {
 484                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 485                                 e);
 486                     } else {
 487                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 488                                 mLastTarget.mAccount.name, e);
 489                     }
 490                     result = new RemoteOperationResult(e);
 491
 492                 } catch (IOException e) {
 493                     if (mLastTarget.mAccount == null) {
 494                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 495                                 e);
 496                     } else {
 497                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 498                                 mLastTarget.mAccount.name, e);
 499                     }
 500                     result = new RemoteOperationResult(e);
 501                 } catch (Exception e) {
 502                     if (mLastTarget.mAccount == null) {
 503                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 504                     } else {
 505                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 506                     }
 507                     result = new RemoteOperationResult(e);
 508
 509                 } finally {
 510                     synchronized(mPendingOperations) {
 511                         mPendingOperations.poll();
 512                     }
 513                 }
 514
 515                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 516                 mService.dispatchResultToOperationListeners(mCurrentOperation, result);
 517             }
 518         }
 519
 520
 521
 522     }
 523
 524
 525     /**
 526      * Creates a new operation, as described by operationIntent.
 527      *
 528      * TODO - move to ServiceHandler (probably)
 529      *
 530      * @param operationIntent       Intent describing a new operation to queue and execute.
 531      * @return                      Pair with the new operation object and the information about its
 532      *                              target server.
 533      */
 534     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 535         RemoteOperation operation = null;
 536         Target target = null;
 537         try {
 538             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 539                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 540                 Log_OC.e(TAG, "Not enough information provided in intent");
 541
 542             } else {
 543                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 544                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 545                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 546                 target = new Target(
 547                         account,
 548                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 549                         cookie
 550                 );
 551
 552                 String action = operationIntent.getAction();
 553                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 554                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 555                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD_SHARE);
 556                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 557                     if (remotePath.length() > 0) {
 558                         operation = new CreateShareOperation(OperationsService.this, remotePath,
 559                                 ShareType.PUBLIC_LINK,
 560                                 "", false, password, 1, sendIntent);
 561                     }
 562
 563                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 564                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 565                     ShareType shareType = (ShareType) operationIntent.
 566                             getSerializableExtra(EXTRA_SHARE_TYPE);
 567                     String shareWith = operationIntent.getStringExtra(EXTRA_SHARE_WITH);
 568                     if (remotePath.length() > 0) {
 569                         operation = new UnshareOperation(
 570                                 remotePath,
 571                                 shareType,
 572                                 shareWith,
 573                                 OperationsService.this);
 574                     }
 575
 576                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 577                     // check OC server and get basic information from it
 578                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 579
 580                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 581                     /// GET ACCESS TOKEN to the OAuth server
 582                     String oauth2QueryParameters =
 583                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 584                     operation = new OAuth2GetAccessToken(
 585                             getString(R.string.oauth2_client_id),
 586                             getString(R.string.oauth2_redirect_uri),
 587                             getString(R.string.oauth2_grant_type),
 588                             oauth2QueryParameters);
 589
 590                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 591                     // Get User Name
 592                     operation = new GetRemoteUserNameOperation();
 593
 594                 } else if (action.equals(ACTION_RENAME)) {
 595                     // Rename file or folder
 596                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 597                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 598                     operation = new RenameFileOperation(remotePath, newName);
 599
 600                 } else if (action.equals(ACTION_REMOVE)) {
 601                     // Remove file or folder
 602                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 603                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL,
 604                             false);
 605                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 606
 607                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 608                     // Create Folder
 609                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 610                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH,
 611                             true);
 612                     operation = new CreateFolderOperation(remotePath, createFullPath);
 613
 614                 } else if (action.equals(ACTION_SYNC_FILE)) {
 615                     // Sync file
 616                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 617                     boolean syncFileContents =
 618                             operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 619                     operation = new SynchronizeFileOperation(
 620                             remotePath, account, syncFileContents, getApplicationContext()
 621                     );
 622
 623                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 624                     // Sync folder (all its descendant files are sync'ed)
 625                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 626                     operation = new SynchronizeFolderOperation(
 627                             this,                       // TODO remove this dependency from construction time
 628                             remotePath,
 629                             account,
 630                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 631                     );
 632
 633                 } else if (action.equals(ACTION_MOVE_FILE)) {
 634                     // Move file/folder
 635                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 636                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 637                     operation = new MoveFileOperation(remotePath, newParentPath, account);
 638
 639                 } else if (action.equals(ACTION_COPY_FILE)) {
 640                     // Copy file/folder
 641                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 642                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 643                     operation = new CopyFileOperation(remotePath, newParentPath, account);
 644                 }
 645             }
 646
 647         } catch (IllegalArgumentException e) {
 648             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 649             operation = null;
 650         }
 651
 652         if (operation != null) {
 653             return new Pair<Target , RemoteOperation>(target, operation);
 654         } else {
 655             return null;
 656         }
 657     }
 658
 659
 660     /**
 661      * Sends a broadcast when a new operation is added to the queue.
 662      *
 663      * Local broadcasts are only delivered to activities in the same process, but can't be
 664      * done sticky :\
 665      *
 666      * @param target            Account or URL pointing to an OC server.
 667      * @param operation         Added operation.
 668      */
 669     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 670         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 671         if (target.mAccount != null) {
 672             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 673         } else {
 674             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 675         }
 676         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 677         //lbm.sendBroadcast(intent);
 678         sendStickyBroadcast(intent);
 679     }
 680
 681
 682     // TODO - maybe add a notification for real start of operations
 683
 684     /**
 685      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities c
 686      * an update their view
 687      *
 688      * Local broadcasts are only delivered to activities in the same process.
 689      *
 690      * @param target    Account or URL pointing to an OC server.
 691      * @param operation Finished operation.
 692      * @param result    Result of the operation.
 693      */
 694     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation,
 695                                                 RemoteOperationResult result) {
 696         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 697         intent.putExtra(EXTRA_RESULT, result);
 698         if (target.mAccount != null) {
 699             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 700         } else {
 701             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 702         }
 703         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 704         //lbm.sendBroadcast(intent);
 705         sendStickyBroadcast(intent);
 706     }
 707
 708
 709     /**
 710      * Notifies the currently subscribed listeners about the end of an operation.
 711      *
 712      * @param operation         Finished operation.
 713      * @param result            Result of the operation.
 714      */
 715     protected void dispatchResultToOperationListeners(
 716             final RemoteOperation operation, final RemoteOperationResult result
 717     ) {
 718         int count = 0;
 719         Iterator<OnRemoteOperationListener> listeners =
 720                 mOperationsBinder.mBoundListeners.keySet().iterator();
 721         while (listeners.hasNext()) {
 722             final OnRemoteOperationListener listener = listeners.next();
 723             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 724             if (handler != null) {
 725                 handler.post(new Runnable() {
 726                     @Override
 727                     public void run() {
 728                         listener.onRemoteOperationFinish(operation, result);
 729                     }
 730                 });
 731                 count += 1;
 732             }
 733         }
 734         if (count == 0) {
 735             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 736                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 737             mUndispatchedFinishedOperations.put(((Runnable) operation).hashCode(), undispatched);
 738         }
 739         Log_OC.d(TAG, "Called " + count + " listeners");
 740     }
 741 }