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.content.res.Configuration;
  35 import android.os.Bundle;
  36 import android.os.Handler;
  37 import android.os.IBinder;
  38 import android.support.v4.app.Fragment;
  39 import android.support.v4.app.FragmentManager;
  40 import android.support.v4.app.FragmentTransaction;
  41 import android.support.v4.view.GravityCompat;
  42 import android.support.v4.widget.DrawerLayout;
  43 import android.support.v7.app.ActionBar;
  44 import android.support.v7.app.ActionBarDrawerToggle;
  45 import android.support.v7.app.AppCompatActivity;
  46 import android.view.View;
  47 import android.widget.AdapterView;
  48 import android.widget.ListView;
  49 import android.widget.RelativeLayout;
  50 import android.widget.TextView;
  51 import android.widget.Toast;
  52
  53 import com.owncloud.android.BuildConfig;
  54 import com.owncloud.android.MainApp;
  55 import com.owncloud.android.R;
  56 import com.owncloud.android.authentication.AccountUtils;
  57 import com.owncloud.android.authentication.AuthenticatorActivity;
  58 import com.owncloud.android.datamodel.FileDataStorageManager;
  59 import com.owncloud.android.datamodel.OCFile;
  60 import com.owncloud.android.files.FileOperationsHelper;
  61 import com.owncloud.android.files.services.FileDownloader;
  62 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  63 import com.owncloud.android.files.services.FileUploader;
  64 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  65 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  66 import com.owncloud.android.lib.common.operations.RemoteOperation;
  67 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  68 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  69 import com.owncloud.android.lib.common.utils.Log_OC;
  70 import com.owncloud.android.operations.CreateShareViaLinkOperation;
  71 import com.owncloud.android.operations.CreateShareWithShareeOperation;
  72 import com.owncloud.android.operations.GetSharesForFileOperation;
  73 import com.owncloud.android.operations.SynchronizeFileOperation;
  74 import com.owncloud.android.operations.SynchronizeFolderOperation;
  75 import com.owncloud.android.operations.UnshareOperation;
  76 import com.owncloud.android.services.OperationsService;
  77 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  78 import com.owncloud.android.ui.NavigationDrawerItem;
  79 import com.owncloud.android.ui.adapter.NavigationDrawerListAdapter;
  80 import com.owncloud.android.ui.dialog.LoadingDialog;
  81 import com.owncloud.android.ui.dialog.SharePasswordDialogFragment;
  82 import com.owncloud.android.utils.ErrorMessageAdapter;
  83
  84 import java.util.ArrayList;
  85
  86
  87 /**
  88  * Activity with common behaviour for activities handling {@link OCFile}s in ownCloud
  89  * {@link Account}s .
  90  */
  91 public class FileActivity extends AppCompatActivity
  92         implements OnRemoteOperationListener, ComponentsGetter {
  93
  94     public static final String EXTRA_FILE = "com.owncloud.android.ui.activity.FILE";
  95     public static final String EXTRA_ACCOUNT = "com.owncloud.android.ui.activity.ACCOUNT";
  96     public static final String EXTRA_WAITING_TO_PREVIEW =
  97             "com.owncloud.android.ui.activity.WAITING_TO_PREVIEW";
  98     public static final String EXTRA_FROM_NOTIFICATION =
  99             "com.owncloud.android.ui.activity.FROM_NOTIFICATION";
 100
 101     public static final String TAG = FileActivity.class.getSimpleName();
 102
 103     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
 104
 105     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 106     private static final String DIALOG_SHARE_PASSWORD = "DIALOG_SHARE_PASSWORD";
 107     private static final String KEY_TRY_SHARE_AGAIN = "TRY_SHARE_AGAIN";
 108     private static final String KEY_ACTION_BAR_TITLE = "ACTION_BAR_TITLE";
 109
 110     protected static final long DELAY_TO_REQUEST_OPERATIONS_LATER = 200;
 111
 112
 113     /** OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located.*/
 114     private Account mAccount;
 115
 116     /** Main {@link OCFile} handled by the activity.*/
 117     private OCFile mFile;
 118
 119     /** Flag to signal that the activity will is finishing to enforce the creation of an ownCloud
 120      * {@link Account} */
 121     private boolean mRedirectingToSetupAccount = false;
 122
 123     /** Flag to signal when the value of mAccount was set */
 124     protected boolean mAccountWasSet;
 125
 126     /** Flag to signal when the value of mAccount was restored from a saved state */
 127     protected boolean mAccountWasRestored;
 128
 129     /** Flag to signal if the activity is launched by a notification */
 130     private boolean mFromNotification;
 131
 132     /** Messages handler associated to the main thread and the life cycle of the activity */
 133     private Handler mHandler;
 134
 135     /** Access point to the cached database for the current ownCloud {@link Account} */
 136     private FileDataStorageManager mStorageManager = null;
 137
 138     private FileOperationsHelper mFileOperationsHelper;
 139
 140     private ServiceConnection mOperationsServiceConnection = null;
 141
 142     private OperationsServiceBinder mOperationsServiceBinder = null;
 143
 144     protected FileDownloaderBinder mDownloaderBinder = null;
 145     protected FileUploaderBinder mUploaderBinder = null;
 146     private ServiceConnection mDownloadServiceConnection, mUploadServiceConnection = null;
 147
 148     private boolean mTryShareAgain = false;
 149
 150     // Navigation Drawer
 151     protected DrawerLayout mDrawerLayout;
 152     protected ActionBarDrawerToggle mDrawerToggle;
 153     protected ListView mDrawerList;
 154
 155     // Slide menu items
 156     protected String[] mDrawerTitles;
 157     protected String[] mDrawerContentDescriptions;
 158
 159     protected ArrayList<NavigationDrawerItem> mDrawerItems;
 160
 161     protected NavigationDrawerListAdapter mNavigationDrawerAdapter = null;
 162
 163
 164     // TODO re-enable when "Accounts" is available in Navigation Drawer
 165 //    protected boolean mShowAccounts = false;
 166
 167     /**
 168      * Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of
 169      * the {@link FileActivity}.
 170      *
 171      * Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user
 172      * is requested to create a new one.
 173      */
 174     @Override
 175     protected void onCreate(Bundle savedInstanceState) {
 176         super.onCreate(savedInstanceState);
 177         mHandler = new Handler();
 178         mFileOperationsHelper = new FileOperationsHelper(this);
 179         Account account = null;
 180         if(savedInstanceState != null) {
 181             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
 182             mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
 183             mFileOperationsHelper.setOpIdWaitingFor(
 184                     savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE)
 185                     );
 186             mTryShareAgain = savedInstanceState.getBoolean(KEY_TRY_SHARE_AGAIN);
 187             if (getSupportActionBar() != null) {
 188                 getSupportActionBar().setTitle(savedInstanceState.getString(KEY_ACTION_BAR_TITLE));
 189             }
 190         } else {
 191             account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
 192             mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
 193             mFromNotification = getIntent().getBooleanExtra(FileActivity.EXTRA_FROM_NOTIFICATION,
 194                     false);
 195         }
 196
 197         AccountUtils.updateAccountVersion(this); // best place, before any access to AccountManager
 198                                                  // or database
 199
 200         setAccount(account, savedInstanceState != null);
 201
 202         mOperationsServiceConnection = new OperationsServiceConnection();
 203         bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection,
 204                 Context.BIND_AUTO_CREATE);
 205
 206         mDownloadServiceConnection = newTransferenceServiceConnection();
 207         if (mDownloadServiceConnection != null) {
 208             bindService(new Intent(this, FileDownloader.class), mDownloadServiceConnection,
 209                     Context.BIND_AUTO_CREATE);
 210         }
 211         mUploadServiceConnection = newTransferenceServiceConnection();
 212         if (mUploadServiceConnection != null) {
 213             bindService(new Intent(this, FileUploader.class), mUploadServiceConnection,
 214                     Context.BIND_AUTO_CREATE);
 215         }
 216
 217     }
 218
 219     @Override
 220     protected void onNewIntent (Intent intent) {
 221         Log_OC.v(TAG, "onNewIntent() start");
 222         Account current = AccountUtils.getCurrentOwnCloudAccount(this);
 223         if (current != null && mAccount != null && !mAccount.name.equals(current.name)) {
 224             mAccount = current;
 225         }
 226         Log_OC.v(TAG, "onNewIntent() stop");
 227     }
 228
 229     /**
 230      *  Since ownCloud {@link Account}s can be managed from the system setting menu,
 231      *  the existence of the {@link Account} associated to the instance must be checked
 232      *  every time it is restarted.
 233      */
 234     @Override
 235     protected void onRestart() {
 236         Log_OC.v(TAG, "onRestart() start");
 237         super.onRestart();
 238         boolean validAccount = (mAccount != null && AccountUtils.exists(mAccount, this));
 239         if (!validAccount) {
 240             swapToDefaultAccount();
 241         }
 242         Log_OC.v(TAG, "onRestart() end");
 243     }
 244
 245
 246     @Override
 247     protected void onStart() {
 248         super.onStart();
 249
 250         if (mAccountWasSet) {
 251             onAccountSet(mAccountWasRestored);
 252         }
 253     }
 254
 255     @Override
 256     protected void onResume() {
 257         super.onResume();
 258
 259         if (mOperationsServiceBinder != null) {
 260             doOnResumeAndBound();
 261         }
 262     }
 263
 264     @Override
 265     protected void onPause()  {
 266         if (mOperationsServiceBinder != null) {
 267             mOperationsServiceBinder.removeOperationListener(this);
 268         }
 269
 270         super.onPause();
 271     }
 272
 273
 274     @Override
 275     protected void onDestroy() {
 276         if (mOperationsServiceConnection != null) {
 277             unbindService(mOperationsServiceConnection);
 278             mOperationsServiceBinder = null;
 279         }
 280         if (mDownloadServiceConnection != null) {
 281             unbindService(mDownloadServiceConnection);
 282             mDownloadServiceConnection = null;
 283         }
 284         if (mUploadServiceConnection != null) {
 285             unbindService(mUploadServiceConnection);
 286             mUploadServiceConnection = null;
 287         }
 288
 289         super.onDestroy();
 290     }
 291
 292     @Override
 293     protected void onPostCreate(Bundle savedInstanceState) {
 294         super.onPostCreate(savedInstanceState);
 295         // Sync the toggle state after onRestoreInstanceState has occurred.
 296         if (mDrawerToggle != null) {
 297             mDrawerToggle.syncState();
 298             if (isDrawerOpen()) {
 299                 getSupportActionBar().setTitle(R.string.app_name);
 300                 mDrawerToggle.setDrawerIndicatorEnabled(true);
 301             }
 302         }
 303     }
 304
 305     @Override
 306     public void onConfigurationChanged(Configuration newConfig) {
 307         super.onConfigurationChanged(newConfig);
 308         if (mDrawerToggle != null) {
 309             mDrawerToggle.onConfigurationChanged(newConfig);
 310         }
 311     }
 312
 313     @Override
 314     public void onBackPressed() {
 315         if (isDrawerOpen()) {
 316             closeNavDrawer();
 317             return;
 318         }
 319         super.onBackPressed();
 320     }
 321
 322     /**
 323      * checks if the drawer exists and is opened.
 324      *
 325      * @return <code>true</code> if the drawer is open, else <code>false</code>
 326      */
 327     public boolean isDrawerOpen() {
 328         if(mDrawerLayout != null) {
 329             return mDrawerLayout.isDrawerOpen(GravityCompat.START);
 330         } else {
 331             return false;
 332         }
 333     }
 334
 335     /**
 336      * closes the navigation drawer.
 337      */
 338     public void closeNavDrawer() {
 339         if(mDrawerLayout != null) {
 340             mDrawerLayout.closeDrawer(GravityCompat.START);
 341         }
 342     }
 343
 344     protected void initDrawer(){
 345         // constant settings for action bar when navigation drawer is inited
 346         getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 347
 348
 349         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
 350         // Notification Drawer
 351         RelativeLayout navigationDrawerLayout = (RelativeLayout) findViewById(R.id.left_drawer);
 352         mDrawerList = (ListView) navigationDrawerLayout.findViewById(R.id.drawer_list);
 353
 354         // TODO re-enable when "Accounts" is available in Navigation Drawer
 355 //        // load Account in the Drawer Title
 356 //        // User-Icon
 357 //        ImageView userIcon = (ImageView) navigationDrawerLayout.findViewById(R.id.drawer_userIcon);
 358 //        userIcon.setImageResource(DisplayUtils.getSeasonalIconId());
 359 //
 360 //        // Username
 361 //        TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
 362 //        Account account = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 363 //
 364 //        if (account != null) {
 365 //            int lastAtPos = account.name.lastIndexOf("@");
 366 //            username.setText(account.name.substring(0, lastAtPos));
 367 //        }
 368
 369         // Display username in drawer
 370         setUsernameInDrawer(navigationDrawerLayout, AccountUtils.getCurrentOwnCloudAccount(getApplicationContext()));
 371
 372         // load slide menu items
 373         mDrawerTitles = getResources().getStringArray(R.array.drawer_items);
 374
 375         // nav drawer content description from resources
 376         mDrawerContentDescriptions = getResources().
 377                 getStringArray(R.array.drawer_content_descriptions);
 378
 379         // nav drawer items
 380         mDrawerItems = new ArrayList<NavigationDrawerItem>();
 381         // adding nav drawer items to array
 382         // TODO re-enable when "Accounts" is available in Navigation Drawer
 383         // Accounts
 384         // mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[0],
 385         // mDrawerContentDescriptions[0]));
 386         // All Files
 387         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[0], mDrawerContentDescriptions[0],
 388                 R.drawable.ic_folder_open));
 389
 390         // On Device
 391         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[1], mDrawerContentDescriptions[1],
 392                 R.drawable.ic_action_download_grey));
 393
 394         // Settings
 395         mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[2], mDrawerContentDescriptions[2],
 396                 R.drawable.ic_action_settings));
 397         // Logs
 398         if (BuildConfig.DEBUG) {
 399             mDrawerItems.add(new NavigationDrawerItem(mDrawerTitles[3],
 400                     mDrawerContentDescriptions[3],R.drawable.ic_log));
 401         }
 402
 403         // setting the nav drawer list adapter
 404         mNavigationDrawerAdapter = new NavigationDrawerListAdapter(getApplicationContext(), this,
 405                 mDrawerItems);
 406         mDrawerList.setAdapter(mNavigationDrawerAdapter);
 407
 408
 409         mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,R.string.drawer_open,R.string.drawer_close) {
 410
 411             /** Called when a drawer has settled in a completely closed state. */
 412             public void onDrawerClosed(View view) {
 413                 super.onDrawerClosed(view);
 414                 updateActionBarTitleAndHomeButton(null);
 415                 invalidateOptionsMenu();
 416             }
 417
 418             /** Called when a drawer has settled in a completely open state. */
 419             public void onDrawerOpened(View drawerView) {
 420                 super.onDrawerOpened(drawerView);
 421                 getSupportActionBar().setTitle(R.string.app_name);
 422                 mDrawerToggle.setDrawerIndicatorEnabled(true);
 423                 invalidateOptionsMenu();
 424             }
 425         };
 426
 427         // Set the list's click listener
 428         mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
 429
 430         // Set the drawer toggle as the DrawerListener
 431         mDrawerLayout.setDrawerListener(mDrawerToggle);
 432         mDrawerToggle.setDrawerIndicatorEnabled(false);
 433     }
 434
 435     /**
 436      * sets the given account name in the drawer in case the drawer is available. The account name
 437      * is shortened beginning from the @-sign in the username.
 438      *
 439      * @param navigationDrawerLayout the drawer layout to be used
 440      * @param account                the account to be set in the drawer
 441      */
 442     protected void setUsernameInDrawer(RelativeLayout navigationDrawerLayout, Account account) {
 443         if (navigationDrawerLayout != null && getAccount() != null) {
 444             TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
 445             int lastAtPos = account.name.lastIndexOf("@");
 446             username.setText(account.name.substring(0, lastAtPos));
 447         }
 448     }
 449
 450     /**
 451      * Updates title bar and home buttons (state and icon).
 452      *
 453      * Assumes that navigation drawer is NOT visible.
 454      */
 455     protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
 456         String title = getString(R.string.default_display_name_for_root_folder);    // default
 457         boolean inRoot;
 458
 459         /// choose the appropiate title
 460         if (chosenFile == null) {
 461             chosenFile = mFile;     // if no file is passed, current file decides
 462         }
 463         inRoot = (
 464                 chosenFile == null ||
 465                 (chosenFile.isFolder() && chosenFile.getParentId() == FileDataStorageManager.ROOT_PARENT_ID)
 466         );
 467         if (!inRoot) {
 468             title = chosenFile.getFileName();
 469         }
 470
 471         /// set the chosen title
 472         ActionBar actionBar = getSupportActionBar();
 473         actionBar.setTitle(title);
 474         /// also as content description
 475         View actionBarTitleView = getWindow().getDecorView().findViewById(
 476                 getResources().getIdentifier("action_bar_title", "id", "android")
 477         );
 478         if (actionBarTitleView != null) {    // it's null in Android 2.x
 479             actionBarTitleView.setContentDescription(title);
 480         }
 481
 482         /// set home button properties
 483         mDrawerToggle.setDrawerIndicatorEnabled(inRoot);
 484         actionBar.setDisplayHomeAsUpEnabled(true);
 485         actionBar.setDisplayShowTitleEnabled(true);
 486
 487     }
 488
 489
 490     /**
 491      *  Sets and validates the ownCloud {@link Account} associated to the Activity.
 492      *
 493      *  If not valid, tries to swap it for other valid and existing ownCloud {@link Account}.
 494      *
 495      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 496      *
 497      *  @param account          New {@link Account} to set.
 498      *  @param savedAccount     When 'true', account was retrieved from a saved instance state.
 499      */
 500     protected void setAccount(Account account, boolean savedAccount) {
 501         Account oldAccount = mAccount;
 502         boolean validAccount =
 503                 (account != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(),
 504                         account.name));
 505         if (validAccount) {
 506             mAccount = account;
 507             mAccountWasSet = true;
 508             mAccountWasRestored = (savedAccount || mAccount.equals(oldAccount));
 509
 510         } else {
 511             swapToDefaultAccount();
 512         }
 513     }
 514
 515
 516     /**
 517      *  Tries to swap the current ownCloud {@link Account} for other valid and existing.
 518      *
 519      *  If no valid ownCloud {@link Account} exists, the the user is requested
 520      *  to create a new ownCloud {@link Account}.
 521      *
 522      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 523      */
 524     private void swapToDefaultAccount() {
 525         // default to the most recently used account
 526         Account newAccount = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 527         if (newAccount == null) {
 528             /// no account available: force account creation
 529             createFirstAccount();
 530             mRedirectingToSetupAccount = true;
 531             mAccountWasSet = false;
 532             mAccountWasRestored = false;
 533
 534         } else {
 535             mAccountWasSet = true;
 536             mAccountWasRestored = (newAccount.equals(mAccount));
 537             mAccount = newAccount;
 538         }
 539     }
 540
 541
 542     /**
 543      * Launches the account creation activity. To use when no ownCloud account is available
 544      */
 545     private void createFirstAccount() {
 546         AccountManager am = AccountManager.get(getApplicationContext());
 547         am.addAccount(MainApp.getAccountType(),
 548                 null,
 549                 null,
 550                 null,
 551                 this,
 552                 new AccountCreationCallback(),
 553                 null);
 554     }
 555
 556
 557     /**
 558      * {@inheritDoc}
 559      */
 560     @Override
 561     protected void onSaveInstanceState(Bundle outState) {
 562         super.onSaveInstanceState(outState);
 563         outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
 564         outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
 565         outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
 566         outState.putBoolean(KEY_TRY_SHARE_AGAIN, mTryShareAgain);
 567         if(getSupportActionBar() != null && getSupportActionBar().getTitle() != null) {
 568             // Null check in case the actionbar is used in ActionBar.NAVIGATION_MODE_LIST
 569             // since it doesn't have a title then
 570             outState.putString(KEY_ACTION_BAR_TITLE, getSupportActionBar().getTitle().toString());
 571         }
 572     }
 573
 574
 575     /**
 576      * Getter for the main {@link OCFile} handled by the activity.
 577      *
 578      * @return  Main {@link OCFile} handled by the activity.
 579      */
 580     public OCFile getFile() {
 581         return mFile;
 582     }
 583
 584
 585     /**
 586      * Setter for the main {@link OCFile} handled by the activity.
 587      *
 588      * @param file  Main {@link OCFile} to be handled by the activity.
 589      */
 590     public void setFile(OCFile file) {
 591         mFile = file;
 592     }
 593
 594
 595     /**
 596      * Getter for the ownCloud {@link Account} where the main {@link OCFile} handled by the activity
 597      * is located.
 598      *
 599      * @return  OwnCloud {@link Account} where the main {@link OCFile} handled by the activity
 600      *          is located.
 601      */
 602     public Account getAccount() {
 603         return mAccount;
 604     }
 605
 606     protected void setAccount(Account account) {
 607         mAccount = account;
 608     }
 609
 610     /**
 611      * @return Value of mFromNotification: True if the Activity is launched by a notification
 612      */
 613     public boolean fromNotification() {
 614         return mFromNotification;
 615     }
 616
 617     /**
 618      * @return 'True' when the Activity is finishing to enforce the setup of a new account.
 619      */
 620     protected boolean isRedirectingToSetupAccount() {
 621         return mRedirectingToSetupAccount;
 622     }
 623
 624     public boolean isTryShareAgain(){
 625         return mTryShareAgain;
 626     }
 627
 628     public void setTryShareAgain(boolean tryShareAgain) {
 629        mTryShareAgain = tryShareAgain;
 630     }
 631
 632     public OperationsServiceBinder getOperationsServiceBinder() {
 633         return mOperationsServiceBinder;
 634     }
 635
 636     protected ServiceConnection newTransferenceServiceConnection() {
 637         return null;
 638     }
 639
 640     /**
 641      * Helper class handling a callback from the {@link AccountManager} after the creation of
 642      * a new ownCloud {@link Account} finished, successfully or not.
 643      *
 644      * At this moment, only called after the creation of the first account.
 645      */
 646     public class AccountCreationCallback implements AccountManagerCallback<Bundle> {
 647
 648         @Override
 649         public void run(AccountManagerFuture<Bundle> future) {
 650             FileActivity.this.mRedirectingToSetupAccount = false;
 651             boolean accountWasSet = false;
 652             if (future != null) {
 653                 try {
 654                     Bundle result;
 655                     result = future.getResult();
 656                     String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
 657                     String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
 658                     if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
 659                         setAccount(new Account(name, type), false);
 660                         accountWasSet = true;
 661                     }
 662                 } catch (OperationCanceledException e) {
 663                     Log_OC.d(TAG, "Account creation canceled");
 664
 665                 } catch (Exception e) {
 666                     Log_OC.e(TAG, "Account creation finished in exception: ", e);
 667                 }
 668
 669             } else {
 670                 Log_OC.e(TAG, "Account creation callback with null bundle");
 671             }
 672             if (!accountWasSet) {
 673                 moveTaskToBack(true);
 674             }
 675         }
 676
 677     }
 678
 679
 680     /**
 681      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 682      *
 683      *  Child classes must grant that state depending on the {@link Account} is updated.
 684      */
 685     protected void onAccountSet(boolean stateWasRecovered) {
 686         if (getAccount() != null) {
 687             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 688
 689         } else {
 690             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 691         }
 692     }
 693
 694
 695     public FileDataStorageManager getStorageManager() {
 696         return mStorageManager;
 697     }
 698
 699
 700     public OnRemoteOperationListener getRemoteOperationListener() {
 701         return this;
 702     }
 703
 704
 705     public Handler getHandler() {
 706         return mHandler;
 707     }
 708
 709     public FileOperationsHelper getFileOperationsHelper() {
 710         return mFileOperationsHelper;
 711     }
 712
 713     /**
 714      *
 715      * @param operation     Removal operation performed.
 716      * @param result        Result of the removal.
 717      */
 718     @Override
 719     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 720         Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the "
 721                 + "FileActivities ");
 722
 723         mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
 724
 725         dismissLoadingDialog();
 726
 727         if (!result.isSuccess() && (
 728                 result.getCode() == ResultCode.UNAUTHORIZED ||
 729                 result.isIdPRedirection() ||
 730                 (result.isException() && result.getException() instanceof AuthenticatorException)
 731                 )) {
 732
 733             requestCredentialsUpdate();
 734
 735             if (result.getCode() == ResultCode.UNAUTHORIZED) {
 736                 dismissLoadingDialog();
 737                 Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
 738                                 operation, getResources()),
 739                         Toast.LENGTH_LONG);
 740                 t.show();
 741             }
 742             mTryShareAgain = false;
 743
 744         } else if (operation == null ||
 745                 operation instanceof CreateShareWithShareeOperation ||
 746                 operation instanceof UnshareOperation ||
 747                 operation instanceof SynchronizeFolderOperation
 748                 ) {
 749             if (result.isSuccess()) {
 750                 updateFileFromDB();
 751
 752             } else if (result.getCode() != ResultCode.CANCELLED) {
 753                 Toast t = Toast.makeText(this,
 754                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 755                         Toast.LENGTH_LONG);
 756                 t.show();
 757             }
 758
 759         } else if (operation instanceof CreateShareViaLinkOperation) {
 760             onCreateShareViaLinkOperationFinish((CreateShareViaLinkOperation) operation, result);
 761
 762         } else if (operation instanceof SynchronizeFileOperation) {
 763             onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);
 764
 765         } else if (operation instanceof GetSharesForFileOperation) {
 766             if (result.isSuccess()) {
 767                 updateFileFromDB();
 768
 769             } else if (result.getCode() != ResultCode.SHARE_NOT_FOUND) {
 770                 Toast t = Toast.makeText(this,
 771                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 772                         Toast.LENGTH_LONG);
 773                 t.show();
 774             }
 775         }
 776     }
 777
 778     protected void requestCredentialsUpdate() {
 779         Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 780         updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
 781         updateAccountCredentials.putExtra(
 782                 AuthenticatorActivity.EXTRA_ACTION,
 783                 AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
 784         updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 785         startActivity(updateAccountCredentials);
 786     }
 787
 788
 789
 790     private void onCreateShareViaLinkOperationFinish(CreateShareViaLinkOperation operation,
 791                                                      RemoteOperationResult result) {
 792         if (result.isSuccess()) {
 793             mTryShareAgain = false;
 794             updateFileFromDB();
 795
 796             Intent sendIntent = operation.getSendIntentWithSubject(this);
 797             startActivity(sendIntent);
 798         } else {
 799             // Detect Failure (403) --> needs Password
 800             if (result.getCode() == ResultCode.SHARE_FORBIDDEN) {
 801                 if (!isTryShareAgain()) {
 802                     SharePasswordDialogFragment dialog =
 803                             SharePasswordDialogFragment.newInstance(new OCFile(operation.getPath()),
 804                                     operation.getSendIntent());
 805                     dialog.show(getSupportFragmentManager(), DIALOG_SHARE_PASSWORD);
 806                 } else {
 807                     Toast t = Toast.makeText(this,
 808                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 809                         Toast.LENGTH_LONG);
 810                     t.show();
 811                     mTryShareAgain = false;
 812                 }
 813             } else {
 814                 Toast t = Toast.makeText(this,
 815                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 816                         Toast.LENGTH_LONG);
 817                 t.show();
 818             }
 819         }
 820     }
 821
 822     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
 823                                                   RemoteOperationResult result) {
 824         OCFile syncedFile = operation.getLocalFile();
 825         if (!result.isSuccess()) {
 826             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 827                 Intent i = new Intent(this, ConflictsResolveActivity.class);
 828                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
 829                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
 830                 startActivity(i);
 831             }
 832
 833         } else {
 834             if (!operation.transferWasRequested()) {
 835                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
 836                         operation, getResources()), Toast.LENGTH_LONG);
 837                 msg.show();
 838             }
 839             invalidateOptionsMenu();
 840         }
 841     }
 842
 843     protected void updateFileFromDB(){
 844         OCFile file = getFile();
 845         if (file != null) {
 846             file = getStorageManager().getFileByPath(file.getRemotePath());
 847             setFile(file);
 848         }
 849     }
 850
 851
 852     /**
 853      * Show loading dialog
 854      */
 855     public void showLoadingDialog(String message) {
 856         // Construct dialog
 857         LoadingDialog loading = new LoadingDialog(message);
 858         FragmentManager fm = getSupportFragmentManager();
 859         FragmentTransaction ft = fm.beginTransaction();
 860         loading.show(ft, DIALOG_WAIT_TAG);
 861
 862     }
 863
 864
 865     /**
 866      * Dismiss loading dialog
 867      */
 868     public void dismissLoadingDialog() {
 869         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 870         if (frag != null) {
 871             Log_OC.d(TAG, "dismiss loading dialog");
 872             LoadingDialog loading = (LoadingDialog) frag;
 873             loading.dismiss();
 874         }
 875     }
 876
 877
 878     private void doOnResumeAndBound() {
 879         mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
 880         long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
 881         if (waitingForOpId <= Integer.MAX_VALUE) {
 882             boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId,
 883                     this);
 884             if (!wait ) {
 885                 dismissLoadingDialog();
 886             }
 887         }
 888     }
 889
 890
 891     /**
 892      * Implements callback methods for service binding. Passed as a parameter to {
 893      */
 894     private class OperationsServiceConnection implements ServiceConnection {
 895
 896         @Override
 897         public void onServiceConnected(ComponentName component, IBinder service) {
 898             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 899                 Log_OC.d(TAG, "Operations service connected");
 900                 mOperationsServiceBinder = (OperationsServiceBinder) service;
 901                 /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
 902                     dismissLoadingDialog();
 903                 }*/
 904                 doOnResumeAndBound();
 905
 906             } else {
 907                 return;
 908             }
 909         }
 910
 911
 912         @Override
 913         public void onServiceDisconnected(ComponentName component) {
 914             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 915                 Log_OC.d(TAG, "Operations service disconnected");
 916                 mOperationsServiceBinder = null;
 917                 // TODO whatever could be waiting for the service is unbound
 918             }
 919         }
 920     }
 921
 922
 923     @Override
 924     public FileDownloaderBinder getFileDownloaderBinder() {
 925         return mDownloaderBinder;
 926     }
 927
 928
 929     @Override
 930     public FileUploaderBinder getFileUploaderBinder() {
 931         return mUploaderBinder;
 932     }
 933
 934
 935     public void restart(){
 936         Intent i = new Intent(this, FileDisplayActivity.class);
 937         i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 938         startActivity(i);
 939     }
 940
 941     public void refresh(){
 942         Intent i = new Intent(this, FileDisplayActivity.class);
 943         i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 944         startActivity(i);
 945     }
 946
 947 //    TODO re-enable when "Accounts" is available in Navigation Drawer
 948 //    public void closeDrawer() {
 949 //        mDrawerLayout.closeDrawers();
 950 //    }
 951
 952     public void allFilesOption(){
 953         restart();
 954     }
 955
 956     public void refreshDirectory(){
 957         // overridden by FileDisplayActivity
 958     }
 959
 960     private class DrawerItemClickListener implements ListView.OnItemClickListener {
 961         @Override
 962         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 963             // TODO re-enable when "Accounts" is available in Navigation Drawer
 964 //            if (mShowAccounts && position > 0){
 965 //                position = position - 1;
 966 //            }
 967             switch (position){
 968                 // TODO re-enable when "Accounts" is available in Navigation Drawer
 969 //                case 0: // Accounts
 970 //                    mShowAccounts = !mShowAccounts;
 971 //                    mNavigationDrawerAdapter.setShowAccounts(mShowAccounts);
 972 //                    mNavigationDrawerAdapter.notifyDataSetChanged();
 973 //                    break;
 974
 975                 case 0: // All Files
 976                     MainApp.showOnlyFilesOnDevice(false);
 977                     refreshDirectory();
 978                     mDrawerLayout.closeDrawers();
 979                     break;
 980
 981                 case 1: // On Device
 982                     MainApp.showOnlyFilesOnDevice(true);
 983                     refreshDirectory();
 984                     mDrawerLayout.closeDrawers();
 985                     break;
 986
 987                 case 2: // Settings
 988                     Intent settingsIntent = new Intent(getApplicationContext(),
 989                             Preferences.class);
 990                     startActivity(settingsIntent);
 991                     mDrawerLayout.closeDrawers();
 992                     break;
 993
 994                 case 3: // Logs
 995                     Intent loggerIntent = new Intent(getApplicationContext(),
 996                             LogHistoryActivity.class);
 997                     startActivity(loggerIntent);
 998                     mDrawerLayout.closeDrawers();
 999                     break;
1000             }
1001         }
1002     }
1003 }