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.CreateShareViaLinkOperation;
  58 import com.owncloud.android.operations.CreateShareWithShareeOperation;
  59 import com.owncloud.android.operations.GetServerInfoOperation;
  60 import com.owncloud.android.operations.MoveFileOperation;
  61 import com.owncloud.android.operations.OAuth2GetAccessToken;
  62 import com.owncloud.android.operations.RemoveFileOperation;
  63 import com.owncloud.android.operations.RenameFileOperation;
  64 import com.owncloud.android.operations.SynchronizeFileOperation;
  65 import com.owncloud.android.operations.SynchronizeFolderOperation;
  66 import com.owncloud.android.operations.UnshareOperation;
  67 import com.owncloud.android.operations.UpdateShareViaLinkOperation;
  68 import com.owncloud.android.operations.common.SyncOperation;
  69
  70 import java.io.IOException;
  71 import java.util.Iterator;
  72 import java.util.concurrent.ConcurrentHashMap;
  73 import java.util.concurrent.ConcurrentLinkedQueue;
  74 import java.util.concurrent.ConcurrentMap;
  75
  76 public class OperationsService extends Service {
  77
  78     private static final String TAG = OperationsService.class.getSimpleName();
  79
  80     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  81     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  82     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  83     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  84     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  85     public static final String EXTRA_NEWNAME = "NEWNAME";
  86     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  87     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  88     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  89     public static final String EXTRA_RESULT = "RESULT";
  90     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  91     public static final String EXTRA_FILE = "FILE";
  92     public static final String EXTRA_PASSWORD_SHARE = "PASSWORD_SHARE";
  93     public static final String EXTRA_SHARE_TYPE = "SHARE_TYPE";
  94     public static final String EXTRA_SHARE_WITH = "SHARE_WITH";
  95
  96     public static final String EXTRA_COOKIE = "COOKIE";
  97
  98     public static final String ACTION_CREATE_SHARE_VIA_LINK = "CREATE_SHARE_VIA_LINK";
  99     public static final String ACTION_CREATE_SHARE_WITH_SHAREE = "CREATE_SHARE_WITH_SHAREE";
 100     public static final String ACTION_UNSHARE = "UNSHARE";
 101     public static final String ACTION_UPDATE_SHARE = "UPDATE_SHARE";
 102     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
 103     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
 104     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
 105     public static final String ACTION_RENAME = "RENAME";
 106     public static final String ACTION_REMOVE = "REMOVE";
 107     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 108     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 109     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";
 110     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 111     public static final String ACTION_COPY_FILE = "COPY_FILE";
 112
 113     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() +
 114             ".OPERATION_ADDED";
 115     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() +
 116             ".OPERATION_FINISHED";
 117
 118
 119     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 120             mUndispatchedFinishedOperations =
 121             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 122
 123     private static class Target {
 124         public Uri mServerUrl = null;
 125         public Account mAccount = null;
 126         public String mCookie = null;
 127
 128         public Target(Account account, Uri serverUrl, String cookie) {
 129             mAccount = account;
 130             mServerUrl = serverUrl;
 131             mCookie = cookie;
 132         }
 133     }
 134
 135     private ServiceHandler mOperationsHandler;
 136     private OperationsServiceBinder mOperationsBinder;
 137
 138     private SyncFolderHandler mSyncFolderHandler;
 139
 140     /**
 141      * Service initialization
 142      */
 143     @Override
 144     public void onCreate() {
 145         super.onCreate();
 146         Log_OC.d(TAG, "Creating service");
 147
 148         /// First worker thread for most of operations
 149         HandlerThread thread = new HandlerThread("Operations thread",
 150                 Process.THREAD_PRIORITY_BACKGROUND);
 151         thread.start();
 152         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 153         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 154
 155         /// Separated worker thread for download of folders (WIP)
 156         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 157         thread.start();
 158         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 159     }
 160
 161
 162     /**
 163      * Entry point to add a new operation to the queue of operations.
 164      * <p/>
 165      * New operations are added calling to startService(), resulting in a call to this method.
 166      * This ensures the service will keep on working although the caller activity goes away.
 167      */
 168     @Override
 169     public int onStartCommand(Intent intent, int flags, int startId) {
 170         Log_OC.d(TAG, "Starting command with id " + startId);
 171
 172         // WIP: for the moment, only SYNC_FOLDER is expected here;
 173         // the rest of the operations are requested through the Binder
 174         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 175
 176             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 177                 Log_OC.e(TAG, "Not enough information provided in intent");
 178                 return START_NOT_STICKY;
 179             }
 180             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 181             String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
 182
 183             Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
 184
 185             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 186             if (itemToQueue != null) {
 187                 mSyncFolderHandler.add(account, remotePath,
 188                         (SynchronizeFolderOperation)itemToQueue.second);
 189                 Message msg = mSyncFolderHandler.obtainMessage();
 190                 msg.arg1 = startId;
 191                 msg.obj = itemSyncKey;
 192                 mSyncFolderHandler.sendMessage(msg);
 193             }
 194
 195         } else {
 196             Message msg = mOperationsHandler.obtainMessage();
 197             msg.arg1 = startId;
 198             mOperationsHandler.sendMessage(msg);
 199         }
 200
 201         return START_NOT_STICKY;
 202     }
 203
 204     @Override
 205     public void onDestroy() {
 206         Log_OC.v(TAG, "Destroying service" );
 207         // Saving cookies
 208         try {
 209             OwnCloudClientManagerFactory.getDefaultSingleton().
 210                     saveAllClients(this, MainApp.getAccountType());
 211
 212             // TODO - get rid of these exceptions
 213         } catch (AccountNotFoundException e) {
 214             e.printStackTrace();
 215         } catch (AuthenticatorException e) {
 216             e.printStackTrace();
 217         } catch (OperationCanceledException e) {
 218             e.printStackTrace();
 219         } catch (IOException e) {
 220             e.printStackTrace();
 221         }
 222
 223         mUndispatchedFinishedOperations.clear();
 224
 225         mOperationsBinder = null;
 226
 227         mOperationsHandler.getLooper().quit();
 228         mOperationsHandler = null;
 229
 230         mSyncFolderHandler.getLooper().quit();
 231         mSyncFolderHandler = null;
 232
 233         super.onDestroy();
 234     }
 235
 236     /**
 237      * Provides a binder object that clients can use to perform actions on the queue of operations,
 238      * except the addition of new operations.
 239      */
 240     @Override
 241     public IBinder onBind(Intent intent) {
 242         return mOperationsBinder;
 243     }
 244
 245
 246     /**
 247      * Called when ALL the bound clients were unbound.
 248      */
 249     @Override
 250     public boolean onUnbind(Intent intent) {
 251         mOperationsBinder.clearListeners();
 252         return false;   // not accepting rebinding (default behaviour)
 253     }
 254
 255
 256     /**
 257      * Binder to let client components to perform actions on the queue of operations.
 258      * <p/>
 259      * It provides by itself the available operations.
 260      */
 261     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 262
 263         /**
 264          * Map of listeners that will be reported about the end of operations from a
 265          * {@link OperationsServiceBinder} instance
 266          */
 267         private final ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 268                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 269
 270         private ServiceHandler mServiceHandler = null;
 271
 272         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 273             mServiceHandler = serviceHandler;
 274         }
 275
 276
 277         /**
 278          * Cancels a pending or current synchronization.
 279          *
 280          * @param account       ownCloud account where the remote folder is stored.
 281          * @param file          A folder in the queue of pending synchronizations
 282          */
 283         public void cancel(Account account, OCFile file) {
 284             mSyncFolderHandler.cancel(account, file);
 285         }
 286
 287
 288         public void clearListeners() {
 289
 290             mBoundListeners.clear();
 291         }
 292
 293
 294         /**
 295          * Adds a listener interested in being reported about the end of operations.
 296          *
 297          * @param listener          Object to notify about the end of operations.
 298          * @param callbackHandler   {@link Handler} to access the listener without
 299          *                                         breaking Android threading protection.
 300          */
 301         public void addOperationListener (OnRemoteOperationListener listener,
 302                                           Handler callbackHandler) {
 303             synchronized (mBoundListeners) {
 304                 mBoundListeners.put(listener, callbackHandler);
 305             }
 306         }
 307
 308
 309         /**
 310          * Removes a listener from the list of objects interested in the being reported about
 311          * the end of operations.
 312          *
 313          * @param listener      Object to notify about progress of transfer.
 314          */
 315         public void removeOperationListener(OnRemoteOperationListener listener) {
 316             synchronized (mBoundListeners) {
 317                 mBoundListeners.remove(listener);
 318             }
 319         }
 320
 321
 322         /**
 323          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 324          *
 325          * @return  'True' when an operation that enforces the user to wait for completion is
 326          *          in process.
 327          */
 328         public boolean isPerformingBlockingOperation() {
 329             return (!mServiceHandler.mPendingOperations.isEmpty());
 330         }
 331
 332
 333         /**
 334          * Creates and adds to the queue a new operation, as described by operationIntent.
 335          *
 336          * Calls startService to make the operation is processed by the ServiceHandler.
 337          *
 338          * @param operationIntent       Intent describing a new operation to queue and execute.
 339          * @return                      Identifier of the operation created, or null if failed.
 340          */
 341         public long queueNewOperation(Intent operationIntent) {
 342             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 343             if (itemToQueue != null) {
 344                 mServiceHandler.mPendingOperations.add(itemToQueue);
 345                 startService(new Intent(OperationsService.this, OperationsService.class));
 346                 return itemToQueue.second.hashCode();
 347
 348             } else {
 349                 return Long.MAX_VALUE;
 350             }
 351         }
 352
 353
 354         public boolean dispatchResultIfFinished(int operationId,
 355                                                 OnRemoteOperationListener listener) {
 356             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 357                     mUndispatchedFinishedOperations.remove(operationId);
 358             if (undispatched != null) {
 359                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 360                 return true;
 361                 //Log_OC.wtf(TAG, "Sending callback later");
 362             } else {
 363                 return (!mServiceHandler.mPendingOperations.isEmpty());
 364             }
 365         }
 366
 367
 368         /**
 369          * Returns True when the file described by 'file' in the ownCloud account 'account' is
 370          * downloading or waiting to download.
 371          *
 372          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading
 373          * or waiting to download.
 374          *
 375          * @param account       ownCloud account where the remote file is stored.
 376          * @param remotePath    Path of the folder to check if something is synchronizing
 377          *                      / downloading / uploading inside.
 378          */
 379         public boolean isSynchronizing(Account account, String remotePath) {
 380             return mSyncFolderHandler.isSynchronizing(account, remotePath);
 381         }
 382
 383     }
 384
 385
 386     /**
 387      * Operations worker. Performs the pending operations in the order they were requested.
 388      *
 389      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 390      */
 391     private static class ServiceHandler extends Handler {
 392         // don't make it a final class, and don't remove the static ; lint will warn about a p
 393         // ossible memory leak
 394
 395
 396         OperationsService mService;
 397
 398
 399         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 400                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 401         private RemoteOperation mCurrentOperation = null;
 402         private Target mLastTarget = null;
 403         private OwnCloudClient mOwnCloudClient = null;
 404         private FileDataStorageManager mStorageManager;
 405
 406
 407         public ServiceHandler(Looper looper, OperationsService service) {
 408             super(looper);
 409             if (service == null) {
 410                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 411             }
 412             mService = service;
 413         }
 414
 415         @Override
 416         public void handleMessage(Message msg) {
 417             nextOperation();
 418             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 419             mService.stopSelf(msg.arg1);
 420         }
 421
 422
 423         /**
 424          * Performs the next operation in the queue
 425          */
 426         private void nextOperation() {
 427
 428             //Log_OC.wtf(TAG, "nextOperation init" );
 429
 430             Pair<Target, RemoteOperation> next = null;
 431             synchronized(mPendingOperations) {
 432                 next = mPendingOperations.peek();
 433             }
 434
 435             if (next != null) {
 436
 437                 mCurrentOperation = next.second;
 438                 RemoteOperationResult result = null;
 439                 try {
 440                     /// prepare client object to send the request to the ownCloud server
 441                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 442                         mLastTarget = next.first;
 443                         if (mLastTarget.mAccount != null) {
 444                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount,
 445                                     mService);
 446                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 447                                     getClientFor(ocAccount, mService);
 448
 449                             OwnCloudVersion version = com.owncloud.android.authentication.AccountUtils.getServerVersion(
 450                                     mLastTarget.mAccount
 451                             );
 452                             mOwnCloudClient.setOwnCloudVersion(version);
 453
 454                             mStorageManager = new FileDataStorageManager(
 455                                     mLastTarget.mAccount,
 456                                     mService.getContentResolver()
 457                             );
 458                         } else {
 459                             OwnCloudCredentials credentials = null;
 460                             if (mLastTarget.mCookie != null &&
 461                                     mLastTarget.mCookie.length() > 0) {
 462                                 // just used for GetUserName
 463                                 // TODO refactor to run GetUserName as AsyncTask in the context of
 464                                 // AuthenticatorActivity
 465                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 466                                         null,                   // unknown
 467                                         mLastTarget.mCookie);   // SAML SSO
 468                             }
 469                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 470                                     mLastTarget.mServerUrl, credentials);
 471                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 472                                     getClientFor(ocAccount, mService);
 473                             mStorageManager = null;
 474                         }
 475                     }
 476
 477                     /// perform the operation
 478                     if (mCurrentOperation instanceof SyncOperation) {
 479                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient,
 480                                 mStorageManager);
 481                     } else {
 482                         result = mCurrentOperation.execute(mOwnCloudClient);
 483                     }
 484
 485                 } catch (AccountsException e) {
 486                     if (mLastTarget.mAccount == null) {
 487                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 488                                 e);
 489                     } else {
 490                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 491                                 mLastTarget.mAccount.name, e);
 492                     }
 493                     result = new RemoteOperationResult(e);
 494
 495                 } catch (IOException e) {
 496                     if (mLastTarget.mAccount == null) {
 497                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 498                                 e);
 499                     } else {
 500                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 501                                 mLastTarget.mAccount.name, e);
 502                     }
 503                     result = new RemoteOperationResult(e);
 504                 } catch (Exception e) {
 505                     if (mLastTarget.mAccount == null) {
 506                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 507                     } else {
 508                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 509                     }
 510                     result = new RemoteOperationResult(e);
 511
 512                 } finally {
 513                     synchronized(mPendingOperations) {
 514                         mPendingOperations.poll();
 515                     }
 516                 }
 517
 518                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 519                 mService.dispatchResultToOperationListeners(mCurrentOperation, result);
 520             }
 521         }
 522
 523
 524
 525     }
 526
 527
 528     /**
 529      * Creates a new operation, as described by operationIntent.
 530      *
 531      * TODO - move to ServiceHandler (probably)
 532      *
 533      * @param operationIntent       Intent describing a new operation to queue and execute.
 534      * @return                      Pair with the new operation object and the information about its
 535      *                              target server.
 536      */
 537     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 538         RemoteOperation operation = null;
 539         Target target = null;
 540         try {
 541             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 542                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 543                 Log_OC.e(TAG, "Not enough information provided in intent");
 544
 545             } else {
 546                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 547                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 548                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 549                 target = new Target(
 550                         account,
 551                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 552                         cookie
 553                 );
 554
 555                 String action = operationIntent.getAction();
 556                 if (action.equals(ACTION_CREATE_SHARE_VIA_LINK)) {  // Create public share via link
 557                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 558                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD_SHARE);
 559                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 560                     if (remotePath.length() > 0) {
 561                         operation = new CreateShareViaLinkOperation(
 562                                 remotePath,
 563                                 password,
 564                                 sendIntent
 565                         );
 566                     }
 567
 568                 } else if (ACTION_UPDATE_SHARE.equals(action)) {
 569                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 570                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD_SHARE);
 571                     if (remotePath.length() > 0) {
 572                         operation = new UpdateShareViaLinkOperation(remotePath, password);
 573                     }
 574
 575                 } else if (action.equals(ACTION_CREATE_SHARE_WITH_SHAREE)) {  // Create private share with user or group
 576                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 577                         String shareeName = operationIntent.getStringExtra(EXTRA_SHARE_WITH);
 578                         ShareType shareType = (ShareType) operationIntent.getSerializableExtra(EXTRA_SHARE_TYPE);
 579                         if (remotePath.length() > 0) {
 580                             operation = new CreateShareWithShareeOperation(
 581                                     remotePath,
 582                                     shareeName,
 583                                     shareType
 584                             );
 585                         }
 586
 587                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 588                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 589                     ShareType shareType = (ShareType) operationIntent.
 590                             getSerializableExtra(EXTRA_SHARE_TYPE);
 591                     String shareWith = operationIntent.getStringExtra(EXTRA_SHARE_WITH);
 592                     if (remotePath.length() > 0) {
 593                         operation = new UnshareOperation(
 594                                 remotePath,
 595                                 shareType,
 596                                 shareWith,
 597                                 OperationsService.this
 598                         );
 599                     }
 600
 601                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 602                     // check OC server and get basic information from it
 603                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 604
 605                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 606                     /// GET ACCESS TOKEN to the OAuth server
 607                     String oauth2QueryParameters =
 608                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 609                     operation = new OAuth2GetAccessToken(
 610                             getString(R.string.oauth2_client_id),
 611                             getString(R.string.oauth2_redirect_uri),
 612                             getString(R.string.oauth2_grant_type),
 613                             oauth2QueryParameters);
 614
 615                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 616                     // Get User Name
 617                     operation = new GetRemoteUserNameOperation();
 618
 619                 } else if (action.equals(ACTION_RENAME)) {
 620                     // Rename file or folder
 621                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 622                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 623                     operation = new RenameFileOperation(remotePath, newName);
 624
 625                 } else if (action.equals(ACTION_REMOVE)) {
 626                     // Remove file or folder
 627                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 628                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL,
 629                             false);
 630                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 631
 632                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 633                     // Create Folder
 634                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 635                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH,
 636                             true);
 637                     operation = new CreateFolderOperation(remotePath, createFullPath);
 638
 639                 } else if (action.equals(ACTION_SYNC_FILE)) {
 640                     // Sync file
 641                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 642                     boolean syncFileContents =
 643                             operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 644                     operation = new SynchronizeFileOperation(
 645                             remotePath, account, syncFileContents, getApplicationContext()
 646                     );
 647
 648                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 649                     // Sync folder (all its descendant files are sync'ed)
 650                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 651                     operation = new SynchronizeFolderOperation(
 652                             this,                       // TODO remove this dependency from construction time
 653                             remotePath,
 654                             account,
 655                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 656                     );
 657
 658                 } else if (action.equals(ACTION_MOVE_FILE)) {
 659                     // Move file/folder
 660                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 661                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 662                     operation = new MoveFileOperation(remotePath, newParentPath, account);
 663
 664                 } else if (action.equals(ACTION_COPY_FILE)) {
 665                     // Copy file/folder
 666                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 667                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 668                     operation = new CopyFileOperation(remotePath, newParentPath, account);
 669                 }
 670             }
 671
 672         } catch (IllegalArgumentException e) {
 673             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 674             operation = null;
 675         }
 676
 677         if (operation != null) {
 678             return new Pair<Target , RemoteOperation>(target, operation);
 679         } else {
 680             return null;
 681         }
 682     }
 683
 684
 685     /**
 686      * Sends a broadcast when a new operation is added to the queue.
 687      *
 688      * Local broadcasts are only delivered to activities in the same process, but can't be
 689      * done sticky :\
 690      *
 691      * @param target            Account or URL pointing to an OC server.
 692      * @param operation         Added operation.
 693      */
 694     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 695         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 696         if (target.mAccount != null) {
 697             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 698         } else {
 699             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 700         }
 701         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 702         //lbm.sendBroadcast(intent);
 703         sendStickyBroadcast(intent);
 704     }
 705
 706
 707     // TODO - maybe add a notification for real start of operations
 708
 709     /**
 710      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities c
 711      * an update their view
 712      *
 713      * Local broadcasts are only delivered to activities in the same process.
 714      *
 715      * @param target    Account or URL pointing to an OC server.
 716      * @param operation Finished operation.
 717      * @param result    Result of the operation.
 718      */
 719     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation,
 720                                                 RemoteOperationResult result) {
 721         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 722         intent.putExtra(EXTRA_RESULT, result);
 723         if (target.mAccount != null) {
 724             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 725         } else {
 726             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 727         }
 728         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 729         //lbm.sendBroadcast(intent);
 730         sendStickyBroadcast(intent);
 731     }
 732
 733
 734     /**
 735      * Notifies the currently subscribed listeners about the end of an operation.
 736      *
 737      * @param operation         Finished operation.
 738      * @param result            Result of the operation.
 739      */
 740     protected void dispatchResultToOperationListeners(
 741             final RemoteOperation operation, final RemoteOperationResult result
 742     ) {
 743         int count = 0;
 744         Iterator<OnRemoteOperationListener> listeners =
 745                 mOperationsBinder.mBoundListeners.keySet().iterator();
 746         while (listeners.hasNext()) {
 747             final OnRemoteOperationListener listener = listeners.next();
 748             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 749             if (handler != null) {
 750                 handler.post(new Runnable() {
 751                     @Override
 752                     public void run() {
 753                         listener.onRemoteOperationFinish(operation, result);
 754                     }
 755                 });
 756                 count += 1;
 757             }
 758         }
 759         if (count == 0) {
 760             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 761                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 762             mUndispatchedFinishedOperations.put(((Runnable) operation).hashCode(), undispatched);
 763         }
 764         Log_OC.d(TAG, "Called " + count + " listeners");
 765     }
 766 }