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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.services;
  19
  20 import java.io.IOException;
  21 import java.util.Iterator;
  22 import java.util.concurrent.ConcurrentHashMap;
  23 import java.util.concurrent.ConcurrentLinkedQueue;
  24 import java.util.concurrent.ConcurrentMap;
  25
  26 import com.owncloud.android.MainApp;
  27 import com.owncloud.android.R;
  28 import com.owncloud.android.datamodel.FileDataStorageManager;
  29 import com.owncloud.android.lib.common.OwnCloudClient;
  30 import com.owncloud.android.lib.common.OwnCloudCredentials;
  31 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  32 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  33 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  34 import com.owncloud.android.lib.common.operations.RemoteOperation;
  35 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  36 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  37 import com.owncloud.android.lib.resources.shares.ShareType;
  38 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  39 import com.owncloud.android.operations.common.SyncOperation;
  40 import com.owncloud.android.operations.CreateFolderOperation;
  41 import com.owncloud.android.operations.CreateShareOperation;
  42 import com.owncloud.android.operations.GetServerInfoOperation;
  43 import com.owncloud.android.operations.OAuth2GetAccessToken;
  44 import com.owncloud.android.operations.RemoveFileOperation;
  45 import com.owncloud.android.operations.RenameFileOperation;
  46 import com.owncloud.android.operations.SynchronizeFileOperation;
  47 import com.owncloud.android.operations.UnshareLinkOperation;
  48 import com.owncloud.android.utils.Log_OC;
  49
  50 import android.accounts.Account;
  51 import android.accounts.AccountsException;
  52 import android.accounts.AuthenticatorException;
  53 import android.accounts.OperationCanceledException;
  54 import android.app.Service;
  55 import android.content.Intent;
  56 import android.net.Uri;
  57 import android.os.Binder;
  58 import android.os.Handler;
  59 import android.os.HandlerThread;
  60 import android.os.IBinder;
  61 import android.os.Looper;
  62 import android.os.Message;
  63 import android.os.Process;
  64 import android.util.Pair;
  65
  66 public class OperationsService extends Service {
  67
  68     private static final String TAG = OperationsService.class.getSimpleName();
  69
  70     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  71     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  72     public static final String EXTRA_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
  73     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  74     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  75     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  76     public static final String EXTRA_NEWNAME = "NEWNAME";
  77     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  78     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  79     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  80     public static final String EXTRA_RESULT = "RESULT";
  81
  82     // TODO review if ALL OF THEM are necessary
  83     public static final String EXTRA_WEBDAV_PATH = "WEBDAV_PATH";
  84     public static final String EXTRA_SUCCESS_IF_ABSENT = "SUCCESS_IF_ABSENT";
  85     public static final String EXTRA_USERNAME = "USERNAME";
  86     public static final String EXTRA_PASSWORD = "PASSWORD";
  87     public static final String EXTRA_AUTH_TOKEN = "AUTH_TOKEN";
  88     public static final String EXTRA_FOLLOW_REDIRECTS = "FOLLOW_REDIRECTS";
  89     public static final String EXTRA_COOKIE = "COOKIE";
  90
  91     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  92     public static final String ACTION_UNSHARE = "UNSHARE";
  93     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  94     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  95     public static final String ACTION_EXISTENCE_CHECK = "EXISTENCE_CHECK";
  96     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
  97     public static final String ACTION_RENAME = "RENAME";
  98     public static final String ACTION_REMOVE = "REMOVE";
  99     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 100     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 101
 102     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 103     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 104
 105     private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 106             new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 107
 108     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 109         mUndispatchedFinishedOperations =
 110             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 111
 112     private static class Target {
 113         public Uri mServerUrl = null;
 114         public Account mAccount = null;
 115         public String mWebDavUrl = null;
 116         public String mUsername = null;
 117         public String mPassword = null;
 118         public String mAuthToken = null;
 119         public boolean mFollowRedirects = true;
 120         public String mCookie = null;
 121
 122         public Target(Account account, Uri serverUrl, String webdavUrl, String username, String password, String authToken,
 123                 boolean followRedirects, String cookie) {
 124             mAccount = account;
 125             mServerUrl = serverUrl;
 126             mWebDavUrl = webdavUrl;
 127             mUsername = username;
 128             mPassword = password;
 129             mAuthToken = authToken;
 130             mFollowRedirects = followRedirects;
 131             mCookie = cookie;
 132         }
 133     }
 134
 135     private Looper mServiceLooper;
 136     private ServiceHandler mServiceHandler;
 137     private OperationsServiceBinder mBinder;
 138     private OwnCloudClient mOwnCloudClient = null;
 139     private Target mLastTarget = null;
 140     private FileDataStorageManager mStorageManager;
 141     private RemoteOperation mCurrentOperation = null;
 142
 143
 144     /**
 145      * Service initialization
 146      */
 147     @Override
 148     public void onCreate() {
 149         super.onCreate();
 150         HandlerThread thread = new HandlerThread("Operations service thread", Process.THREAD_PRIORITY_BACKGROUND);
 151         thread.start();
 152         mServiceLooper = thread.getLooper();
 153         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 154         mBinder = new OperationsServiceBinder();
 155     }
 156
 157
 158     /**
 159      * Entry point to add a new operation to the queue of operations.
 160      *
 161      * New operations are added calling to startService(), resulting in a call to this method.
 162      * This ensures the service will keep on working although the caller activity goes away.
 163      *
 164      * IMPORTANT: the only operations performed here right now is {@link GetSharedFilesOperation}. The class
 165      * is taking advantage of it due to time constraints.
 166      */
 167     @Override
 168     public int onStartCommand(Intent intent, int flags, int startId) {
 169         //Log_OC.wtf(TAG, "onStartCommand init" );
 170         Message msg = mServiceHandler.obtainMessage();
 171         msg.arg1 = startId;
 172         mServiceHandler.sendMessage(msg);
 173         //Log_OC.wtf(TAG, "onStartCommand end" );
 174         return START_NOT_STICKY;
 175     }
 176
 177     @Override
 178     public void onDestroy() {
 179         //Log_OC.wtf(TAG, "onDestroy init" );
 180         // Saving cookies
 181         try {
 182             ((MainApp)getApplicationContext()).getOwnCloudClientManager().
 183                 saveAllClients(this, MainApp.getAccountType());
 184
 185             // TODO - get rid of these exceptions
 186         } catch (AccountNotFoundException e) {
 187             e.printStackTrace();
 188         } catch (AuthenticatorException e) {
 189             e.printStackTrace();
 190         } catch (OperationCanceledException e) {
 191             e.printStackTrace();
 192         } catch (IOException e) {
 193             e.printStackTrace();
 194         }
 195
 196         //Log_OC.wtf(TAG, "Clear mUndispatchedFinisiedOperations" );
 197         mUndispatchedFinishedOperations.clear();
 198
 199         //Log_OC.wtf(TAG, "onDestroy end" );
 200         super.onDestroy();
 201     }
 202
 203
 204     /**
 205      * Provides a binder object that clients can use to perform actions on the queue of operations,
 206      * except the addition of new operations.
 207      */
 208     @Override
 209     public IBinder onBind(Intent intent) {
 210         //Log_OC.wtf(TAG, "onBind" );
 211         return mBinder;
 212     }
 213
 214
 215     /**
 216      * Called when ALL the bound clients were unbound.
 217      */
 218     @Override
 219     public boolean onUnbind(Intent intent) {
 220         ((OperationsServiceBinder)mBinder).clearListeners();
 221         return false;   // not accepting rebinding (default behaviour)
 222     }
 223
 224
 225     /**
 226      *  Binder to let client components to perform actions on the queue of operations.
 227      *
 228      *  It provides by itself the available operations.
 229      */
 230     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 231
 232         /**
 233          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 234          */
 235         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 236                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 237
 238         /**
 239          * Cancels an operation
 240          *
 241          * TODO
 242          */
 243         public void cancel() {
 244             // TODO
 245         }
 246
 247
 248         public void clearListeners() {
 249
 250             mBoundListeners.clear();
 251         }
 252
 253
 254         /**
 255          * Adds a listener interested in being reported about the end of operations.
 256          *
 257          * @param listener          Object to notify about the end of operations.
 258          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 259          */
 260         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 261             synchronized (mBoundListeners) {
 262                 mBoundListeners.put(listener, callbackHandler);
 263             }
 264         }
 265
 266
 267         /**
 268          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 269          *
 270          * @param listener      Object to notify about progress of transfer.
 271          */
 272         public void removeOperationListener (OnRemoteOperationListener listener) {
 273             synchronized (mBoundListeners) {
 274                 mBoundListeners.remove(listener);
 275             }
 276         }
 277
 278
 279         /**
 280          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 281          *
 282          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 283          */
 284         public boolean isPerformingBlockingOperation() {
 285             return (!mPendingOperations.isEmpty());
 286         }
 287
 288
 289         /**
 290          * Creates and adds to the queue a new operation, as described by operationIntent
 291          *
 292          * @param operationIntent       Intent describing a new operation to queue and execute.
 293          * @return                      Identifier of the operation created, or null if failed.
 294          */
 295         public long newOperation(Intent operationIntent) {
 296             RemoteOperation operation = null;
 297             Target target = null;
 298             try {
 299                 if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 300                         !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 301                     Log_OC.e(TAG, "Not enough information provided in intent");
 302
 303                 } else {
 304                     Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 305                     String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 306                     String webDavPath = operationIntent.getStringExtra(EXTRA_WEBDAV_PATH);
 307                     String webDavUrl = serverUrl + webDavPath;
 308                     String username = operationIntent.getStringExtra(EXTRA_USERNAME);
 309                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD);
 310                     String authToken = operationIntent.getStringExtra(EXTRA_AUTH_TOKEN);
 311                     boolean followRedirects = operationIntent.getBooleanExtra(EXTRA_FOLLOW_REDIRECTS, true);
 312                     String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 313                     target = new Target(
 314                             account,
 315                             (serverUrl == null) ? null : Uri.parse(serverUrl),
 316                             ((webDavPath == null) || (serverUrl == null)) ? null : webDavUrl,
 317                             username,
 318                             password,
 319                             authToken,
 320                             followRedirects,
 321                             cookie
 322                     );
 323
 324                     String action = operationIntent.getAction();
 325                     if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 326                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 327                         Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 328                         if (remotePath.length() > 0) {
 329                             operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 330                                     "", false, "", 1, sendIntent);
 331                         }
 332
 333                     } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 334                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 335                         if (remotePath.length() > 0) {
 336                             operation = new UnshareLinkOperation(
 337                                     remotePath,
 338                                     OperationsService.this);
 339                         }
 340
 341                     } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 342                         // check OC server and get basic information from it
 343                         String authTokenType =
 344                                 operationIntent.getStringExtra(EXTRA_AUTH_TOKEN_TYPE);
 345                         operation = new GetServerInfoOperation(
 346                                 serverUrl, authTokenType, OperationsService.this);
 347
 348                     } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 349                         /// GET ACCESS TOKEN to the OAuth server
 350                         String oauth2QueryParameters =
 351                                 operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 352                         operation = new OAuth2GetAccessToken(
 353                                 getString(R.string.oauth2_client_id),
 354                                 getString(R.string.oauth2_redirect_uri),
 355                                 getString(R.string.oauth2_grant_type),
 356                                 oauth2QueryParameters);
 357
 358                     } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 359                         // Existence Check
 360                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 361                         boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, true);
 362                         operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 363
 364                     } else if (action.equals(ACTION_GET_USER_NAME)) {
 365                         // Get User Name
 366                         operation = new GetRemoteUserNameOperation();
 367
 368                     } else if (action.equals(ACTION_RENAME)) {
 369                         // Rename file or folder
 370                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 371                         String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 372                         operation = new RenameFileOperation(remotePath, account, newName);
 373
 374                     } else if (action.equals(ACTION_REMOVE)) {
 375                         // Remove file or folder
 376                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 377                         boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 378                         operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 379
 380                     } else if (action.equals(ACTION_CREATE_FOLDER)) {
 381                         // Create Folder
 382                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 383                         boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 384                         operation = new CreateFolderOperation(remotePath, createFullPath);
 385
 386                     } else if (action.equals(ACTION_SYNC_FILE)) {
 387                         // Sync file
 388                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 389                         boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 390                         operation = new SynchronizeFileOperation(remotePath, account, syncFileContents, getApplicationContext());
 391                     }
 392
 393                 }
 394
 395             } catch (IllegalArgumentException e) {
 396                 Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 397                 operation = null;
 398             }
 399
 400             if (operation != null) {
 401                 mPendingOperations.add(new Pair<Target , RemoteOperation>(target, operation));
 402                 startService(new Intent(OperationsService.this, OperationsService.class));
 403                 //Log_OC.wtf(TAG, "New operation added, opId: " + operation.hashCode());
 404                 // better id than hash? ; should be good enough by the time being
 405                 return operation.hashCode();
 406
 407             } else {
 408                 //Log_OC.wtf(TAG, "New operation failed, returned Long.MAX_VALUE");
 409                 return Long.MAX_VALUE;
 410             }
 411         }
 412
 413         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 414             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 415                     mUndispatchedFinishedOperations.remove(operationId);
 416             if (undispatched != null) {
 417                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 418                 return true;
 419                 //Log_OC.wtf(TAG, "Sending callback later");
 420             } else {
 421                 if (!mPendingOperations.isEmpty()) {
 422                     return true;
 423                 } else {
 424                     return false;
 425                 }
 426                 //Log_OC.wtf(TAG, "Not finished yet");
 427             }
 428         }
 429
 430     }
 431
 432
 433     /**
 434      * Operations worker. Performs the pending operations in the order they were requested.
 435      *
 436      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 437      */
 438     private static class ServiceHandler extends Handler {
 439         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 440         OperationsService mService;
 441         public ServiceHandler(Looper looper, OperationsService service) {
 442             super(looper);
 443             if (service == null) {
 444                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 445             }
 446             mService = service;
 447         }
 448
 449         @Override
 450         public void handleMessage(Message msg) {
 451             mService.nextOperation();
 452             mService.stopSelf(msg.arg1);
 453         }
 454     }
 455
 456
 457     /**
 458      * Performs the next operation in the queue
 459      */
 460     private void nextOperation() {
 461
 462         //Log_OC.wtf(TAG, "nextOperation init" );
 463
 464         Pair<Target, RemoteOperation> next = null;
 465         synchronized(mPendingOperations) {
 466             next = mPendingOperations.peek();
 467         }
 468
 469         if (next != null) {
 470
 471             mCurrentOperation = next.second;
 472             RemoteOperationResult result = null;
 473             try {
 474                 /// prepare client object to send the request to the ownCloud server
 475                 if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 476                     mLastTarget = next.first;
 477                     if (mLastTarget.mAccount != null) {
 478                         mOwnCloudClient = ((MainApp)getApplicationContext()).
 479                                 getOwnCloudClientManager().getClientFor(
 480                                         mLastTarget.mAccount,
 481                                         this);
 482                         mStorageManager =
 483                                 new FileDataStorageManager(
 484                                         mLastTarget.mAccount,
 485                                         getContentResolver());
 486                     } else {
 487                         OwnCloudCredentials credentials = null;
 488                         if (mLastTarget.mUsername != null) {
 489                             credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 490                                     mLastTarget.mUsername,
 491                                     mLastTarget.mPassword);  // basic
 492
 493                         } else if (mLastTarget.mAuthToken != null) {
 494                             credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 495                                     mLastTarget.mAuthToken);  // bearer token
 496
 497                         } else if (mLastTarget.mCookie != null) {
 498                             credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 499                                     mLastTarget.mCookie); // SAML SSO
 500                         }
 501
 502                         mOwnCloudClient = ((MainApp)getApplicationContext()).
 503                                 getOwnCloudClientManager().getClientFor(
 504                                         mLastTarget.mServerUrl,
 505                                         credentials,    // still can be null, and that is right
 506                                         this);
 507
 508                         if (mLastTarget.mWebDavUrl != null) {
 509                             mOwnCloudClient.setWebdavUri(Uri.parse(mLastTarget.mWebDavUrl));
 510                         }
 511                         mOwnCloudClient.setFollowRedirects(mLastTarget.mFollowRedirects);
 512                         mStorageManager = null;
 513                     }
 514                 }
 515
 516                 /// perform the operation
 517                 if (mCurrentOperation instanceof SyncOperation) {
 518                     result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 519                 } else {
 520                     result = mCurrentOperation.execute(mOwnCloudClient);
 521                 }
 522
 523             } catch (AccountsException e) {
 524                 if (mLastTarget.mAccount == null) {
 525                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 526                 } else {
 527                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 528                 }
 529                 result = new RemoteOperationResult(e);
 530
 531             } catch (IOException e) {
 532                 if (mLastTarget.mAccount == null) {
 533                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 534                 } else {
 535                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 536                 }
 537                 result = new RemoteOperationResult(e);
 538             } catch (Exception e) {
 539                 if (mLastTarget.mAccount == null) {
 540                     Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 541                 } else {
 542                     Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 543                 }
 544                 result = new RemoteOperationResult(e);
 545
 546             } finally {
 547                 synchronized(mPendingOperations) {
 548                     mPendingOperations.poll();
 549                 }
 550             }
 551
 552             //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 553             dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 554         }
 555     }
 556
 557
 558     /**
 559      * Sends a broadcast when a new operation is added to the queue.
 560      *
 561      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 562      *
 563      * @param target            Account or URL pointing to an OC server.
 564      * @param operation         Added operation.
 565      */
 566     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 567         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 568         if (target.mAccount != null) {
 569             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 570         } else {
 571             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 572         }
 573         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 574         //lbm.sendBroadcast(intent);
 575         sendStickyBroadcast(intent);
 576     }
 577
 578
 579     // TODO - maybe add a notification for real start of operations
 580
 581     /**
 582      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 583      *
 584      * Local broadcasts are only delivered to activities in the same process.
 585      *
 586      * @param target            Account or URL pointing to an OC server.
 587      * @param operation         Finished operation.
 588      * @param result            Result of the operation.
 589      */
 590     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 591         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 592         intent.putExtra(EXTRA_RESULT, result);
 593         if (target.mAccount != null) {
 594             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 595         } else {
 596             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 597         }
 598         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 599         //lbm.sendBroadcast(intent);
 600         sendStickyBroadcast(intent);
 601     }
 602
 603
 604     /**
 605      * Notifies the currently subscribed listeners about the end of an operation.
 606      *
 607      * @param target            Account or URL pointing to an OC server.
 608      * @param operation         Finished operation.
 609      * @param result            Result of the operation.
 610      */
 611     private void dispatchResultToOperationListeners(
 612             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 613         int count = 0;
 614         Iterator<OnRemoteOperationListener> listeners = mBinder.mBoundListeners.keySet().iterator();
 615         while (listeners.hasNext()) {
 616             final OnRemoteOperationListener listener = listeners.next();
 617             final Handler handler = mBinder.mBoundListeners.get(listener);
 618             if (handler != null) {
 619                 handler.post(new Runnable() {
 620                     @Override
 621                     public void run() {
 622                         listener.onRemoteOperationFinish(operation, result);
 623                     }
 624                 });
 625                 count += 1;
 626             }
 627         }
 628         if (count == 0) {
 629             //mOperationResults.put(operation.hashCode(), result);
 630             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 631                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 632             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 633         }
 634         Log_OC.d(TAG, "Called " + count + " listeners");
 635     }
 636
 637
 638 }