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