src/com/owncloud/android/ui/activity/FolderPickerActivity.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.ui.activity;
  19
  20 import java.io.IOException;
  21
  22 import android.accounts.Account;
  23 import android.accounts.AccountManager;
  24 import android.accounts.AuthenticatorException;
  25 import android.accounts.OperationCanceledException;
  26 import android.content.BroadcastReceiver;
  27 import android.content.Context;
  28 import android.content.Intent;
  29 import android.content.IntentFilter;
  30 import android.content.res.Resources.NotFoundException;
  31 import android.os.Bundle;
  32 import android.os.Parcelable;
  33 import android.support.v4.app.Fragment;
  34 import android.support.v4.app.FragmentTransaction;
  35 import android.util.Log;
  36 import android.view.View;
  37 import android.view.View.OnClickListener;
  38 import android.widget.Button;
  39 import android.widget.Toast;
  40
  41 import com.actionbarsherlock.app.ActionBar;
  42 import com.actionbarsherlock.view.Menu;
  43 import com.actionbarsherlock.view.MenuInflater;
  44 import com.actionbarsherlock.view.MenuItem;
  45 import com.actionbarsherlock.view.Window;
  46 import com.owncloud.android.R;
  47 import com.owncloud.android.datamodel.OCFile;
  48 import com.owncloud.android.lib.common.OwnCloudAccount;
  49 import com.owncloud.android.lib.common.OwnCloudClient;
  50 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  51 import com.owncloud.android.lib.common.OwnCloudCredentials;
  52 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  53 import com.owncloud.android.lib.common.operations.RemoteOperation;
  54 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  55 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  56 import com.owncloud.android.lib.common.utils.Log_OC;
  57 import com.owncloud.android.operations.CreateFolderOperation;
  58 import com.owncloud.android.operations.RefreshFolderOperation;
  59 import com.owncloud.android.syncadapter.FileSyncAdapter;
  60 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  61 import com.owncloud.android.ui.fragment.FileFragment;
  62 import com.owncloud.android.ui.fragment.OCFileListFragment;
  63 import com.owncloud.android.utils.DisplayUtils;
  64 import com.owncloud.android.utils.ErrorMessageAdapter;
  65
  66 public class FolderPickerActivity extends FileActivity implements FileFragment.ContainerActivity,
  67     OnClickListener, OnEnforceableRefreshListener {
  68
  69     public static final String EXTRA_FOLDER = UploadFilesActivity.class.getCanonicalName()
  70                                                             + ".EXTRA_FOLDER";
  71     public static final String EXTRA_FILE = UploadFilesActivity.class.getCanonicalName()
  72                                                             + ".EXTRA_FILE";
  73     //TODO: Think something better
  74
  75     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  76
  77     private static final String TAG = FolderPickerActivity.class.getSimpleName();
  78
  79     private static final String TAG_LIST_OF_FOLDERS = "LIST_OF_FOLDERS";
  80
  81     private boolean mSyncInProgress = false;
  82
  83     protected Button mCancelBtn;
  84     protected Button mChooseBtn;
  85
  86
  87     @Override
  88     protected void onCreate(Bundle savedInstanceState) {
  89         Log_OC.d(TAG, "onCreate() start");
  90         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
  91
  92         super.onCreate(savedInstanceState);
  93
  94         setContentView(R.layout.files_folder_picker);
  95
  96         if (savedInstanceState == null) {
  97             createFragments();
  98         }
  99
 100         // sets callback listeners for UI elements
 101         initControls();
 102
 103         // Action bar setup
 104         ActionBar actionBar = getSupportActionBar();
 105         actionBar.setDisplayShowTitleEnabled(true);
 106         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 107         setSupportProgressBarIndeterminateVisibility(mSyncInProgress);
 108             // always AFTER setContentView(...) ; to work around bug in its implementation
 109
 110         // sets message for empty list of folders
 111         setBackgroundText();
 112
 113         Log_OC.d(TAG, "onCreate() end");
 114
 115     }
 116
 117     @Override
 118     protected void onStart() {
 119         super.onStart();
 120         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 121     }
 122
 123     /**
 124      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 125      */
 126     @Override
 127     protected void onAccountSet(boolean stateWasRecovered) {
 128         super.onAccountSet(stateWasRecovered);
 129         if (getAccount() != null) {
 130
 131             updateFileFromDB();
 132
 133             OCFile folder = getFile();
 134             if (folder == null || !folder.isFolder()) {
 135                 // fall back to root folder
 136                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 137                 folder = getFile();
 138             }
 139
 140             if (!stateWasRecovered) {
 141                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 142                 listOfFolders.listDirectory(folder);
 143
 144                 startSyncFolderOperation(folder, false);
 145             }
 146
 147             updateNavigationElementsInActionBar();
 148         }
 149     }
 150
 151     private void createFragments() {
 152         OCFileListFragment listOfFiles = new OCFileListFragment();
 153         Bundle args = new Bundle();
 154         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 155         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 156         listOfFiles.setArguments(args);
 157         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 158         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 159         transaction.commit();
 160     }
 161
 162     /**
 163      * Show a text message on screen view for notifying user if content is
 164      * loading or folder is empty
 165      */
 166     private void setBackgroundText() {
 167         OCFileListFragment listFragment = getListOfFilesFragment();
 168         if (listFragment != null) {
 169             int message = R.string.file_list_loading;
 170             if (!mSyncInProgress) {
 171                 // In case folder list is empty
 172                 message = R.string.file_list_empty_moving;
 173             }
 174             listFragment.setMessageForEmptyList(getString(message));
 175         } else {
 176             Log.e(TAG, "OCFileListFragment is null");
 177         }
 178     }
 179
 180     protected OCFileListFragment getListOfFilesFragment() {
 181         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 182         if (listOfFiles != null) {
 183             return (OCFileListFragment)listOfFiles;
 184         }
 185         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 186         return null;
 187     }
 188
 189
 190     /**
 191      * {@inheritDoc}
 192      *
 193      * Updates action bar and second fragment, if in dual pane mode.
 194      */
 195     @Override
 196     public void onBrowsedDownTo(OCFile directory) {
 197         setFile(directory);
 198         updateNavigationElementsInActionBar();
 199         // Sync Folder
 200         startSyncFolderOperation(directory, false);
 201
 202     }
 203
 204
 205     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 206         long currentSyncTime = System.currentTimeMillis();
 207
 208         mSyncInProgress = true;
 209
 210         // perform folder synchronization
 211         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 212                                                                         currentSyncTime,
 213                                                                         false,
 214                                                                         getFileOperationsHelper().isSharedSupported(),
 215                                                                         ignoreETag,
 216                                                                         getStorageManager(),
 217                                                                         getAccount(),
 218                                                                         getApplicationContext()
 219                                                                       );
 220         synchFolderOp.execute(getAccount(), this, null, null);
 221
 222         setSupportProgressBarIndeterminateVisibility(true);
 223
 224         setBackgroundText();
 225     }
 226
 227     @Override
 228     protected void onResume() {
 229         super.onResume();
 230         Log_OC.e(TAG, "onResume() start");
 231
 232         // refresh list of files
 233         refreshListOfFilesFragment();
 234
 235         // Listen for sync messages
 236         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 237         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 238         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 239         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 240         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 241         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 242         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 243
 244         Log_OC.d(TAG, "onResume() end");
 245     }
 246
 247     @Override
 248     protected void onPause() {
 249         Log_OC.e(TAG, "onPause() start");
 250         if (mSyncBroadcastReceiver != null) {
 251             unregisterReceiver(mSyncBroadcastReceiver);
 252             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 253             mSyncBroadcastReceiver = null;
 254         }
 255
 256         Log_OC.d(TAG, "onPause() end");
 257         super.onPause();
 258     }
 259
 260     @Override
 261     public boolean onCreateOptionsMenu(Menu menu) {
 262         MenuInflater inflater = getSherlock().getMenuInflater();
 263         inflater.inflate(R.menu.main_menu, menu);
 264         menu.findItem(R.id.action_upload).setVisible(false);
 265         menu.findItem(R.id.action_settings).setVisible(false);
 266         menu.findItem(R.id.action_sync_account).setVisible(false);
 267         menu.findItem(R.id.action_logger).setVisible(false);
 268         menu.findItem(R.id.action_sort).setVisible(false);
 269         return true;
 270     }
 271
 272     @Override
 273     public boolean onOptionsItemSelected(MenuItem item) {
 274         boolean retval = true;
 275         switch (item.getItemId()) {
 276         case R.id.action_create_dir: {
 277             CreateFolderDialogFragment dialog =
 278                     CreateFolderDialogFragment.newInstance(getCurrentFolder());
 279             dialog.show(
 280                     getSupportFragmentManager(),
 281                     CreateFolderDialogFragment.CREATE_FOLDER_FRAGMENT
 282             );
 283             break;
 284         }
 285         case android.R.id.home: {
 286             OCFile currentDir = getCurrentFolder();
 287             if(currentDir != null && currentDir.getParentId() != 0) {
 288                 onBackPressed();
 289             }
 290             break;
 291         }
 292         default:
 293             retval = super.onOptionsItemSelected(item);
 294         }
 295         return retval;
 296     }
 297
 298     protected OCFile getCurrentFolder() {
 299         OCFile file = getFile();
 300         if (file != null) {
 301             if (file.isFolder()) {
 302                 return file;
 303             } else if (getStorageManager() != null) {
 304                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 305                 return getStorageManager().getFileByPath(parentPath);
 306             }
 307         }
 308         return null;
 309     }
 310
 311     protected void refreshListOfFilesFragment() {
 312         OCFileListFragment fileListFragment = getListOfFilesFragment();
 313         if (fileListFragment != null) {
 314             fileListFragment.listDirectory();
 315         }
 316     }
 317
 318     public void browseToRoot() {
 319         OCFileListFragment listOfFiles = getListOfFilesFragment();
 320         if (listOfFiles != null) {  // should never be null, indeed
 321             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
 322             listOfFiles.listDirectory(root);
 323             setFile(listOfFiles.getCurrentFile());
 324             updateNavigationElementsInActionBar();
 325             startSyncFolderOperation(root, false);
 326         }
 327     }
 328
 329     @Override
 330     public void onBackPressed() {
 331         OCFileListFragment listOfFiles = getListOfFilesFragment();
 332         if (listOfFiles != null) {  // should never be null, indeed
 333             int levelsUp = listOfFiles.onBrowseUp();
 334             if (levelsUp == 0) {
 335                 finish();
 336                 return;
 337             }
 338             setFile(listOfFiles.getCurrentFile());
 339             updateNavigationElementsInActionBar();
 340         }
 341     }
 342
 343     protected void updateNavigationElementsInActionBar() {
 344         ActionBar actionBar = getSupportActionBar();
 345         OCFile currentDir = getCurrentFolder();
 346         boolean atRoot = (currentDir == null || currentDir.getParentId() == 0);
 347         actionBar.setDisplayHomeAsUpEnabled(!atRoot);
 348         actionBar.setHomeButtonEnabled(!atRoot);
 349         actionBar.setTitle(
 350             atRoot
 351                 ? getString(R.string.default_display_name_for_root_folder)
 352                 : currentDir.getFileName()
 353         );
 354     }
 355
 356     /**
 357      * Set per-view controllers
 358      */
 359     private void initControls(){
 360         mCancelBtn = (Button) findViewById(R.id.folder_picker_btn_cancel);
 361         mCancelBtn.setOnClickListener(this);
 362         mChooseBtn = (Button) findViewById(R.id.folder_picker_btn_choose);
 363         mChooseBtn.setOnClickListener(this);
 364     }
 365
 366     @Override
 367     public void onClick(View v) {
 368         if (v == mCancelBtn) {
 369             finish();
 370         } else if (v == mChooseBtn) {
 371             Intent i = getIntent();
 372             Parcelable targetFile = i.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 373
 374             Intent data = new Intent();
 375             data.putExtra(EXTRA_FOLDER, getCurrentFolder());
 376             if (targetFile != null) {
 377                 data.putExtra(EXTRA_FILE, targetFile);
 378             }
 379             setResult(RESULT_OK, data);
 380             finish();
 381         }
 382     }
 383
 384
 385     @Override
 386     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 387         super.onRemoteOperationFinish(operation, result);
 388
 389         if (operation instanceof CreateFolderOperation) {
 390             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 391
 392         }
 393     }
 394
 395
 396     /**
 397      * Updates the view associated to the activity after the finish of an operation trying
 398      * to create a new folder.
 399      *
 400      * @param operation     Creation operation performed.
 401      * @param result        Result of the creation.
 402      */
 403     private void onCreateFolderOperationFinish(
 404             CreateFolderOperation operation, RemoteOperationResult result
 405             ) {
 406
 407         if (result.isSuccess()) {
 408             dismissLoadingDialog();
 409             refreshListOfFilesFragment();
 410         } else {
 411             dismissLoadingDialog();
 412             try {
 413                 Toast msg = Toast.makeText(FolderPickerActivity.this,
 414                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 415                         Toast.LENGTH_LONG);
 416                 msg.show();
 417
 418             } catch (NotFoundException e) {
 419                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 420             }
 421         }
 422     }
 423
 424
 425
 426     private class SyncBroadcastReceiver extends BroadcastReceiver {
 427
 428         /**
 429          * {@link BroadcastReceiver} to enable syncing feedback in UI
 430          */
 431         @Override
 432         public void onReceive(Context context, Intent intent) {
 433             try {
 434                 String event = intent.getAction();
 435                 Log_OC.d(TAG, "Received broadcast " + event);
 436                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 437                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 438                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.
 439                         getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 440                 boolean sameAccount = (getAccount() != null &&
 441                         accountName.equals(getAccount().name) && getStorageManager() != null);
 442
 443                 if (sameAccount) {
 444
 445                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 446                         mSyncInProgress = true;
 447
 448                     } else {
 449                         OCFile currentFile = (getFile() == null) ? null :
 450                             getStorageManager().getFileByPath(getFile().getRemotePath());
 451                         OCFile currentDir = (getCurrentFolder() == null) ? null :
 452                             getStorageManager().getFileByPath(getCurrentFolder().getRemotePath());
 453
 454                         if (currentDir == null) {
 455                             // current folder was removed from the server
 456                             Toast.makeText( FolderPickerActivity.this,
 457                                             String.format(
 458                                                     getString(R.string.sync_current_folder_was_removed),
 459                                                     getCurrentFolder().getFileName()),
 460                                             Toast.LENGTH_LONG)
 461                                 .show();
 462                             browseToRoot();
 463
 464                         } else {
 465                             if (currentFile == null && !getFile().isFolder()) {
 466                                 // currently selected file was removed in the server, and now we know it
 467                                 currentFile = currentDir;
 468                             }
 469
 470                             if (synchFolderRemotePath != null && currentDir.getRemotePath().
 471                                     equals(synchFolderRemotePath)) {
 472                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 473                                 if (fileListFragment != null) {
 474                                     fileListFragment.listDirectory(currentDir);
 475                                 }
 476                             }
 477                             setFile(currentFile);
 478                         }
 479
 480                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 481                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 482
 483                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 484                                     equals(event) &&
 485                                 /// TODO refactor and make common
 486                                 synchResult != null && !synchResult.isSuccess() &&
 487                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 488                                     synchResult.isIdPRedirection()                  ||
 489                                     (synchResult.isException() && synchResult.getException()
 490                                             instanceof AuthenticatorException))) {
 491
 492                             try {
 493                                 OwnCloudClient client;
 494                                 OwnCloudAccount ocAccount =
 495                                         new OwnCloudAccount(getAccount(), context);
 496                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 497                                         removeClientFor(ocAccount));
 498
 499                                 if (client != null) {
 500                                     OwnCloudCredentials cred = client.getCredentials();
 501                                     if (cred != null) {
 502                                         AccountManager am = AccountManager.get(context);
 503                                         if (cred.authTokenExpires()) {
 504                                             am.invalidateAuthToken(
 505                                                     getAccount().type,
 506                                                     cred.getAuthToken()
 507                                             );
 508                                         } else {
 509                                             am.clearPassword(getAccount());
 510                                         }
 511                                     }
 512                                 }
 513                                 requestCredentialsUpdate();
 514
 515                             } catch (AccountNotFoundException e) {
 516                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 517                             }
 518
 519                         }
 520                     }
 521                     removeStickyBroadcast(intent);
 522                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 523                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 524
 525                     setBackgroundText();
 526
 527                 }
 528
 529             } catch (RuntimeException e) {
 530                 // avoid app crashes after changing the serial id of RemoteOperationResult
 531                 // in owncloud library with broadcast notifications pending to process
 532                 removeStickyBroadcast(intent);
 533             }
 534         }
 535     }
 536
 537
 538
 539     /**
 540      * Shows the information of the {@link OCFile} received as a
 541      * parameter in the second fragment.
 542      *
 543      * @param file          {@link OCFile} whose details will be shown
 544      */
 545     @Override
 546     public void showDetails(OCFile file) {
 547
 548     }
 549
 550     /**
 551      * {@inheritDoc}
 552      */
 553     @Override
 554     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
 555
 556     }
 557
 558     @Override
 559     public void onRefresh() {
 560         refreshList(true);
 561     }
 562
 563     @Override
 564     public void onRefresh(boolean enforced) {
 565         refreshList(enforced);
 566     }
 567
 568     private void refreshList(boolean ignoreETag) {
 569         OCFileListFragment listOfFiles = getListOfFilesFragment();
 570         if (listOfFiles != null) {
 571             OCFile folder = listOfFiles.getCurrentFile();
 572             if (folder != null) {
 573                 startSyncFolderOperation(folder, ignoreETag);
 574             }
 575         }
 576     }
 577 }