src/com/owncloud/android/ui/activity/FileActivity.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2011  Bartek Przybylski
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.ui.activity;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AccountManagerCallback;
  27 import android.accounts.AccountManagerFuture;
  28 import android.accounts.AuthenticatorException;
  29 import android.accounts.OperationCanceledException;
  30 import android.content.ComponentName;
  31 import android.content.Context;
  32 import android.content.Intent;
  33 import android.content.ServiceConnection;
  34 import android.os.Bundle;
  35 import android.os.Handler;
  36 import android.os.IBinder;
  37 import android.support.v4.app.Fragment;
  38 import android.support.v4.app.FragmentManager;
  39 import android.support.v4.app.FragmentTransaction;
  40 import android.widget.Toast;
  41
  42 import com.actionbarsherlock.app.SherlockFragmentActivity;
  43 import com.owncloud.android.MainApp;
  44 import com.owncloud.android.R;
  45 import com.owncloud.android.authentication.AccountUtils;
  46 import com.owncloud.android.authentication.AuthenticatorActivity;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.files.FileOperationsHelper;
  50 import com.owncloud.android.files.services.FileDownloader;
  51 import com.owncloud.android.files.services.FileUploader;
  52 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  53 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  54 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  55 import com.owncloud.android.lib.common.operations.RemoteOperation;
  56 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  57 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  58 import com.owncloud.android.lib.common.utils.Log_OC;
  59 import com.owncloud.android.operations.CreateShareOperation;
  60 import com.owncloud.android.operations.SynchronizeFolderOperation;
  61 import com.owncloud.android.operations.UnshareLinkOperation;
  62 import com.owncloud.android.services.OperationsService;
  63 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  64 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  65 import com.owncloud.android.ui.dialog.LoadingDialog;
  66 import com.owncloud.android.ui.dialog.SharePasswordDialogFragment;
  67 import com.owncloud.android.utils.ErrorMessageAdapter;
  68
  69
  70 /**
  71  * Activity with common behaviour for activities handling {@link OCFile}s in ownCloud {@link Account}s .
  72  */
  73 public class FileActivity extends SherlockFragmentActivity
  74         implements OnRemoteOperationListener, ComponentsGetter {
  75
  76     public static final String EXTRA_FILE = "com.owncloud.android.ui.activity.FILE";
  77     public static final String EXTRA_ACCOUNT = "com.owncloud.android.ui.activity.ACCOUNT";
  78     public static final String EXTRA_WAITING_TO_PREVIEW = "com.owncloud.android.ui.activity.WAITING_TO_PREVIEW";
  79     public static final String EXTRA_FROM_NOTIFICATION= "com.owncloud.android.ui.activity.FROM_NOTIFICATION";
  80
  81     public static final String TAG = FileActivity.class.getSimpleName();
  82
  83     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  84     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
  85     private static final String DIALOG_SHARE_PASSWORD = "DIALOG_SHARE_PASSWORD";
  86
  87     protected static final long DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS = 200;
  88
  89
  90     /** OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located. */
  91     private Account mAccount;
  92
  93     /** Main {@link OCFile} handled by the activity.*/
  94     private OCFile mFile;
  95
  96     /** Flag to signal that the activity will is finishing to enforce the creation of an ownCloud {@link Account} */
  97     private boolean mRedirectingToSetupAccount = false;
  98
  99     /** Flag to signal when the value of mAccount was set */
 100     private boolean mAccountWasSet;
 101
 102     /** Flag to signal when the value of mAccount was restored from a saved state */
 103     private boolean mAccountWasRestored;
 104
 105     /** Flag to signal if the activity is launched by a notification */
 106     private boolean mFromNotification;
 107
 108     /** Messages handler associated to the main thread and the life cycle of the activity */
 109     private Handler mHandler;
 110
 111     /** Access point to the cached database for the current ownCloud {@link Account} */
 112     private FileDataStorageManager mStorageManager = null;
 113
 114     private FileOperationsHelper mFileOperationsHelper;
 115
 116     private ServiceConnection mOperationsServiceConnection = null;
 117
 118     private OperationsServiceBinder mOperationsServiceBinder = null;
 119
 120     protected FileDownloaderBinder mDownloaderBinder = null;
 121     protected FileUploaderBinder mUploaderBinder = null;
 122     private ServiceConnection mDownloadServiceConnection, mUploadServiceConnection = null;
 123
 124
 125     /**
 126      * Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of
 127      * the {@link FileActivity}.
 128      *
 129      * Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user
 130      * is requested to create a new one.
 131      */
 132     @Override
 133     protected void onCreate(Bundle savedInstanceState) {
 134         super.onCreate(savedInstanceState);
 135         mHandler = new Handler();
 136         mFileOperationsHelper = new FileOperationsHelper(this);
 137         Account account;
 138         if(savedInstanceState != null) {
 139             account = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 140             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
 141             mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
 142             mFileOperationsHelper.setOpIdWaitingFor(
 143                     savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE)
 144                     );
 145         } else {
 146             account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
 147             mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
 148             mFromNotification = getIntent().getBooleanExtra(FileActivity.EXTRA_FROM_NOTIFICATION, false);
 149         }
 150
 151         setAccount(account, savedInstanceState != null);
 152
 153         mOperationsServiceConnection = new OperationsServiceConnection();
 154         bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection, Context.BIND_AUTO_CREATE);
 155
 156         mDownloadServiceConnection = newTransferenceServiceConnection();
 157         if (mDownloadServiceConnection != null) {
 158             bindService(new Intent(this, FileDownloader.class), mDownloadServiceConnection, Context.BIND_AUTO_CREATE);
 159         }
 160         mUploadServiceConnection = newTransferenceServiceConnection();
 161         if (mUploadServiceConnection != null) {
 162             bindService(new Intent(this, FileUploader.class), mUploadServiceConnection, Context.BIND_AUTO_CREATE);
 163         }
 164
 165     }
 166
 167
 168     /**
 169      *  Since ownCloud {@link Account}s can be managed from the system setting menu,
 170      *  the existence of the {@link Account} associated to the instance must be checked
 171      *  every time it is restarted.
 172      */
 173     @Override
 174     protected void onRestart() {
 175         super.onRestart();
 176         boolean validAccount = (mAccount != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), mAccount.name));
 177         if (!validAccount) {
 178             swapToDefaultAccount();
 179         }
 180     }
 181
 182
 183     @Override
 184     protected void onStart() {
 185         super.onStart();
 186
 187         if (mAccountWasSet) {
 188             onAccountSet(mAccountWasRestored);
 189         }
 190     }
 191
 192     @Override
 193     protected void onResume() {
 194         super.onResume();
 195
 196         if (mOperationsServiceBinder != null) {
 197             doOnResumeAndBound();
 198         }
 199
 200     }
 201
 202     @Override
 203     protected void onPause()  {
 204
 205         if (mOperationsServiceBinder != null) {
 206             mOperationsServiceBinder.removeOperationListener(this);
 207         }
 208
 209         super.onPause();
 210     }
 211
 212
 213     @Override
 214     protected void onDestroy() {
 215         if (mOperationsServiceConnection != null) {
 216             unbindService(mOperationsServiceConnection);
 217             mOperationsServiceBinder = null;
 218         }
 219         if (mDownloadServiceConnection != null) {
 220             unbindService(mDownloadServiceConnection);
 221             mDownloadServiceConnection = null;
 222         }
 223         if (mUploadServiceConnection != null) {
 224             unbindService(mUploadServiceConnection);
 225             mUploadServiceConnection = null;
 226         }
 227
 228         super.onDestroy();
 229     }
 230
 231
 232     /**
 233      *  Sets and validates the ownCloud {@link Account} associated to the Activity.
 234      *
 235      *  If not valid, tries to swap it for other valid and existing ownCloud {@link Account}.
 236      *
 237      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 238      *
 239      *  @param account          New {@link Account} to set.
 240      *  @param savedAccount     When 'true', account was retrieved from a saved instance state.
 241      */
 242     private void setAccount(Account account, boolean savedAccount) {
 243         Account oldAccount = mAccount;
 244         boolean validAccount = (account != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), account.name));
 245         if (validAccount) {
 246             mAccount = account;
 247             mAccountWasSet = true;
 248             mAccountWasRestored = (savedAccount || mAccount.equals(oldAccount));
 249
 250         } else {
 251             swapToDefaultAccount();
 252         }
 253     }
 254
 255
 256     /**
 257      *  Tries to swap the current ownCloud {@link Account} for other valid and existing.
 258      *
 259      *  If no valid ownCloud {@link Account} exists, the the user is requested
 260      *  to create a new ownCloud {@link Account}.
 261      *
 262      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 263      */
 264     private void swapToDefaultAccount() {
 265         // default to the most recently used account
 266         Account newAccount  = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 267         if (newAccount == null) {
 268             /// no account available: force account creation
 269             createFirstAccount();
 270             mRedirectingToSetupAccount = true;
 271             mAccountWasSet = false;
 272             mAccountWasRestored = false;
 273
 274         } else {
 275             mAccountWasSet = true;
 276             mAccountWasRestored = (newAccount.equals(mAccount));
 277             mAccount = newAccount;
 278         }
 279     }
 280
 281
 282     /**
 283      * Launches the account creation activity. To use when no ownCloud account is available
 284      */
 285     private void createFirstAccount() {
 286         AccountManager am = AccountManager.get(getApplicationContext());
 287         am.addAccount(MainApp.getAccountType(),
 288                         null,
 289                         null,
 290                         null,
 291                         this,
 292                         new AccountCreationCallback(),
 293                         null);
 294     }
 295
 296
 297     /**
 298      * {@inheritDoc}
 299      */
 300     @Override
 301     protected void onSaveInstanceState(Bundle outState) {
 302         super.onSaveInstanceState(outState);
 303         outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
 304         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 305         outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
 306         outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
 307     }
 308
 309
 310     /**
 311      * Getter for the main {@link OCFile} handled by the activity.
 312      *
 313      * @return  Main {@link OCFile} handled by the activity.
 314      */
 315     public OCFile getFile() {
 316         return mFile;
 317     }
 318
 319
 320     /**
 321      * Setter for the main {@link OCFile} handled by the activity.
 322      *
 323      * @param file  Main {@link OCFile} to be handled by the activity.
 324      */
 325     public void setFile(OCFile file) {
 326         mFile = file;
 327     }
 328
 329
 330     /**
 331      * Getter for the ownCloud {@link Account} where the main {@link OCFile} handled by the activity is located.
 332      *
 333      * @return  OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located.
 334      */
 335     public Account getAccount() {
 336         return mAccount;
 337     }
 338
 339     /**
 340      * @return Value of mFromNotification: True if the Activity is launched by a notification
 341      */
 342     public boolean fromNotification() {
 343         return mFromNotification;
 344     }
 345
 346     /**
 347      * @return  'True' when the Activity is finishing to enforce the setup of a new account.
 348      */
 349     protected boolean isRedirectingToSetupAccount() {
 350         return mRedirectingToSetupAccount;
 351     }
 352
 353
 354     public OperationsServiceBinder getOperationsServiceBinder() {
 355         return mOperationsServiceBinder;
 356     }
 357
 358     protected ServiceConnection newTransferenceServiceConnection() {
 359         return null;
 360     }
 361
 362     /**
 363      * Helper class handling a callback from the {@link AccountManager} after the creation of
 364      * a new ownCloud {@link Account} finished, successfully or not.
 365      *
 366      * At this moment, only called after the creation of the first account.
 367      */
 368     public class AccountCreationCallback implements AccountManagerCallback<Bundle> {
 369
 370         @Override
 371         public void run(AccountManagerFuture<Bundle> future) {
 372             FileActivity.this.mRedirectingToSetupAccount = false;
 373             boolean accountWasSet = false;
 374             if (future != null) {
 375                 try {
 376                     Bundle result;
 377                     result = future.getResult();
 378                     String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
 379                     String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
 380                     if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
 381                         setAccount(new Account(name, type), false);
 382                         accountWasSet = true;
 383                     }
 384                 } catch (OperationCanceledException e) {
 385                     Log_OC.d(TAG, "Account creation canceled");
 386
 387                 } catch (Exception e) {
 388                     Log_OC.e(TAG, "Account creation finished in exception: ", e);
 389                 }
 390
 391             } else {
 392                 Log_OC.e(TAG, "Account creation callback with null bundle");
 393             }
 394             if (!accountWasSet) {
 395                 moveTaskToBack(true);
 396             }
 397         }
 398
 399     }
 400
 401
 402     /**
 403      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 404      *
 405      *  Child classes must grant that state depending on the {@link Account} is updated.
 406      */
 407     protected void onAccountSet(boolean stateWasRecovered) {
 408         if (getAccount() != null) {
 409             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 410
 411         } else {
 412             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 413         }
 414     }
 415
 416
 417     public FileDataStorageManager getStorageManager() {
 418         return mStorageManager;
 419     }
 420
 421
 422     public OnRemoteOperationListener getRemoteOperationListener() {
 423         return this;
 424     }
 425
 426
 427     public Handler getHandler() {
 428         return mHandler;
 429     }
 430
 431     public FileOperationsHelper getFileOperationsHelper() {
 432         return mFileOperationsHelper;
 433     }
 434
 435     /**
 436      *
 437      * @param operation     Removal operation performed.
 438      * @param result        Result of the removal.
 439      */
 440     @Override
 441     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 442         Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the FileActivities ");
 443
 444         mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
 445
 446         if (!result.isSuccess() && (
 447                 result.getCode() == ResultCode.UNAUTHORIZED ||
 448                 result.isIdPRedirection() ||
 449                 (result.isException() && result.getException() instanceof AuthenticatorException)
 450                 )) {
 451
 452             requestCredentialsUpdate();
 453
 454             if (result.getCode() == ResultCode.UNAUTHORIZED) {
 455                 dismissLoadingDialog();
 456                 Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
 457                                 operation, getResources()),
 458                         Toast.LENGTH_LONG);
 459                 t.show();
 460             }
 461
 462         } else if (operation instanceof CreateShareOperation) {
 463             onCreateShareOperationFinish((CreateShareOperation) operation, result);
 464
 465         } else if (operation instanceof UnshareLinkOperation) {
 466             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
 467
 468         } else if (operation instanceof SynchronizeFolderOperation) {
 469             onSynchronizeFolderOperationFinish((SynchronizeFolderOperation)operation, result);
 470
 471         }
 472     }
 473
 474     protected void requestCredentialsUpdate() {
 475         Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 476         updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
 477         updateAccountCredentials.putExtra(
 478                 AuthenticatorActivity.EXTRA_ACTION,
 479                 AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
 480         updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 481         startActivity(updateAccountCredentials);
 482     }
 483
 484
 485     private void onCreateShareOperationFinish(CreateShareOperation operation,
 486                                               RemoteOperationResult result) {
 487         dismissLoadingDialog();
 488         if (result.isSuccess()) {
 489             updateFileFromDB();
 490
 491             Intent sendIntent = operation.getSendIntent();
 492             startActivity(sendIntent);
 493
 494         } else {
 495             // Detect Failure (403) --> needs Password
 496             if (result.getCode() == ResultCode.SHARE_FORBIDDEN) {
 497                 SharePasswordDialogFragment dialog =
 498                         SharePasswordDialogFragment.newInstance( new OCFile(operation.getPath()),
 499                                 operation.getSendIntent());
 500                 dialog.show(getSupportFragmentManager(), DIALOG_SHARE_PASSWORD);
 501             } else {
 502                 Toast t = Toast.makeText(this,
 503                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 504                         Toast.LENGTH_LONG);
 505                 t.show();
 506             }
 507         }
 508     }
 509
 510
 511     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
 512         dismissLoadingDialog();
 513
 514         if (result.isSuccess()){
 515             updateFileFromDB();
 516
 517         } else {
 518             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 519                     Toast.LENGTH_LONG);
 520             t.show();
 521         }
 522     }
 523
 524     private void onSynchronizeFolderOperationFinish(SynchronizeFolderOperation operation, RemoteOperationResult result) {
 525         if (!result.isSuccess() && result.getCode() != ResultCode.CANCELLED){
 526             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 527                     Toast.LENGTH_LONG);
 528             t.show();
 529         }
 530     }
 531
 532     protected void updateFileFromDB(){
 533         OCFile file = getFile();
 534         if (file != null) {
 535             file = getStorageManager().getFileByPath(file.getRemotePath());
 536             setFile(file);
 537         }
 538     }
 539
 540     /**
 541      * Show loading dialog
 542      */
 543     public void showLoadingDialog() {
 544         // Construct dialog
 545         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 546         FragmentManager fm = getSupportFragmentManager();
 547         FragmentTransaction ft = fm.beginTransaction();
 548         loading.show(ft, DIALOG_WAIT_TAG);
 549
 550     }
 551
 552
 553     /**
 554      * Dismiss loading dialog
 555      */
 556     public void dismissLoadingDialog(){
 557         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 558         if (frag != null) {
 559             LoadingDialog loading = (LoadingDialog) frag;
 560             loading.dismiss();
 561         }
 562     }
 563
 564
 565     private void doOnResumeAndBound() {
 566         mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
 567         long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
 568         if (waitingForOpId <= Integer.MAX_VALUE) {
 569             boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId, this);
 570             if (!wait ) {
 571                 dismissLoadingDialog();
 572             }
 573         }
 574     }
 575
 576
 577     /**
 578      * Implements callback methods for service binding. Passed as a parameter to {
 579      */
 580     private class OperationsServiceConnection implements ServiceConnection {
 581
 582         @Override
 583         public void onServiceConnected(ComponentName component, IBinder service) {
 584             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 585                 Log_OC.d(TAG, "Operations service connected");
 586                 mOperationsServiceBinder = (OperationsServiceBinder) service;
 587                 /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
 588                     dismissLoadingDialog();
 589                 }*/
 590                 doOnResumeAndBound();
 591
 592             } else {
 593                 return;
 594             }
 595         }
 596
 597
 598         @Override
 599         public void onServiceDisconnected(ComponentName component) {
 600             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 601                 Log_OC.d(TAG, "Operations service disconnected");
 602                 mOperationsServiceBinder = null;
 603                 // TODO whatever could be waiting for the service is unbound
 604             }
 605         }
 606     }
 607
 608
 609     @Override
 610     public FileDownloaderBinder getFileDownloaderBinder() {
 611         return mDownloaderBinder;
 612     }
 613
 614
 615     @Override
 616     public FileUploaderBinder getFileUploaderBinder() {
 617         return mUploaderBinder;
 618     }
 619
 620
 621 }