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