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.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.util.Log;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.widget.Button;
  38 import android.widget.Toast;
  39
  40 import com.actionbarsherlock.app.ActionBar;
  41 import com.actionbarsherlock.view.Menu;
  42 import com.actionbarsherlock.view.MenuInflater;
  43 import com.actionbarsherlock.view.MenuItem;
  44 import com.actionbarsherlock.view.Window;
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.datamodel.OCFile;
  47 import com.owncloud.android.lib.common.OwnCloudAccount;
  48 import com.owncloud.android.lib.common.OwnCloudClient;
  49 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  50 import com.owncloud.android.lib.common.OwnCloudCredentials;
  51 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  52 import com.owncloud.android.lib.common.operations.RemoteOperation;
  53 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  54 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  55 import com.owncloud.android.operations.CreateFolderOperation;
  56 import com.owncloud.android.operations.SynchronizeFolderOperation;
  57 import com.owncloud.android.syncadapter.FileSyncAdapter;
  58 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  59 import com.owncloud.android.ui.fragment.FileFragment;
  60 import com.owncloud.android.ui.fragment.OCFileListFragment;
  61 import com.owncloud.android.utils.DisplayUtils;
  62 import com.owncloud.android.utils.ErrorMessageAdapter;
  63 import com.owncloud.android.lib.common.utils.Log_OC;
  64
  65 public class FolderPickerActivity extends FileActivity implements FileFragment.ContainerActivity,
  66     OnClickListener, OnEnforceableRefreshListener {
  67
  68     public static final String EXTRA_CURRENT_FOLDER = UploadFilesActivity.class.getCanonicalName()
  69                                                             + ".EXTRA_CURRENT_FOLDER";
  70     public static final String EXTRA_TARGET_FILE = UploadFilesActivity.class.getCanonicalName()
  71                                                             + "EXTRA_TARGET_FILE";
  72
  73     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  74
  75     private static final String TAG = FolderPickerActivity.class.getSimpleName();
  76
  77     private static final String TAG_LIST_OF_FOLDERS = "LIST_OF_FOLDERS";
  78
  79     private boolean mSyncInProgress = false;
  80
  81     protected Button mCancelBtn;
  82     protected Button mChooseBtn;
  83
  84
  85     @Override
  86     protected void onCreate(Bundle savedInstanceState) {
  87         Log_OC.d(TAG, "onCreate() start");
  88         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
  89
  90         super.onCreate(savedInstanceState);
  91
  92         setContentView(R.layout.files_folder_picker);
  93
  94         if (savedInstanceState == null) {
  95             createFragments();
  96         }
  97
  98         // sets callback listeners for UI elements
  99         initControls();
 100
 101         // Action bar setup
 102         ActionBar actionBar = getSupportActionBar();
 103         actionBar.setDisplayShowTitleEnabled(true);
 104         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 105         setSupportProgressBarIndeterminateVisibility(mSyncInProgress);
 106             // always AFTER setContentView(...) ; to work around bug in its implementation
 107
 108         // sets message for empty list of folders
 109         setBackgroundText();
 110
 111         Log_OC.d(TAG, "onCreate() end");
 112
 113     }
 114
 115     @Override
 116     protected void onStart() {
 117         super.onStart();
 118         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 119     }
 120
 121     /**
 122      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 123      */
 124     @Override
 125     protected void onAccountSet(boolean stateWasRecovered) {
 126         super.onAccountSet(stateWasRecovered);
 127         if (getAccount() != null) {
 128
 129             updateFileFromDB();
 130
 131             OCFile folder = getFile();
 132             if (folder == null || !folder.isFolder()) {
 133                 // fall back to root folder
 134                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 135                 folder = getFile();
 136             }
 137
 138             if (!stateWasRecovered) {
 139                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 140                 listOfFolders.listDirectory(folder);
 141
 142                 startSyncFolderOperation(folder, false);
 143             }
 144
 145             updateNavigationElementsInActionBar();
 146         }
 147     }
 148
 149     private void createFragments() {
 150         OCFileListFragment listOfFiles = new OCFileListFragment();
 151         Bundle args = new Bundle();
 152         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 153         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 154         listOfFiles.setArguments(args);
 155         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 156         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 157         transaction.commit();
 158     }
 159
 160     /**
 161      * Show a text message on screen view for notifying user if content is
 162      * loading or folder is empty
 163      */
 164     private void setBackgroundText() {
 165         OCFileListFragment listFragment = getListOfFilesFragment();
 166         if (listFragment != null) {
 167             int message = R.string.file_list_loading;
 168             if (!mSyncInProgress) {
 169                 // In case folder list is empty
 170                 message = R.string.file_list_empty_moving;
 171             }
 172             listFragment.setMessageForEmptyList(getString(message));
 173         } else {
 174             Log.e(TAG, "OCFileListFragment is null");
 175         }
 176     }
 177
 178     protected OCFileListFragment getListOfFilesFragment() {
 179         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 180         if (listOfFiles != null) {
 181             return (OCFileListFragment)listOfFiles;
 182         }
 183         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 184         return null;
 185     }
 186
 187
 188     /**
 189      * {@inheritDoc}
 190      *
 191      * Updates action bar and second fragment, if in dual pane mode.
 192      */
 193     @Override
 194     public void onBrowsedDownTo(OCFile directory) {
 195         setFile(directory);
 196         updateNavigationElementsInActionBar();
 197         // Sync Folder
 198         startSyncFolderOperation(directory, false);
 199
 200     }
 201
 202
 203     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 204         long currentSyncTime = System.currentTimeMillis();
 205
 206         mSyncInProgress = true;
 207
 208         // perform folder synchronization
 209         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
 210                                                                         currentSyncTime,
 211                                                                         false,
 212                                                                         getFileOperationsHelper().isSharedSupported(),
 213                                                                         ignoreETag,
 214                                                                         getStorageManager(),
 215                                                                         getAccount(),
 216                                                                         getApplicationContext()
 217                                                                       );
 218         synchFolderOp.execute(getAccount(), this, null, null);
 219
 220         setSupportProgressBarIndeterminateVisibility(true);
 221
 222         setBackgroundText();
 223     }
 224
 225     @Override
 226     protected void onResume() {
 227         super.onResume();
 228         Log_OC.e(TAG, "onResume() start");
 229
 230         // refresh list of files
 231         refreshListOfFilesFragment();
 232
 233         // Listen for sync messages
 234         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 235         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 236         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 237         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 238         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 239         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 240         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 241
 242         Log_OC.d(TAG, "onResume() end");
 243     }
 244
 245     @Override
 246     protected void onPause() {
 247         Log_OC.e(TAG, "onPause() start");
 248         if (mSyncBroadcastReceiver != null) {
 249             unregisterReceiver(mSyncBroadcastReceiver);
 250             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 251             mSyncBroadcastReceiver = null;
 252         }
 253
 254         Log_OC.d(TAG, "onPause() end");
 255         super.onPause();
 256     }
 257
 258     @Override
 259     public boolean onCreateOptionsMenu(Menu menu) {
 260         MenuInflater inflater = getSherlock().getMenuInflater();
 261         inflater.inflate(R.menu.main_menu, menu);
 262         menu.findItem(R.id.action_upload).setVisible(false);
 263         menu.findItem(R.id.action_settings).setVisible(false);
 264         menu.findItem(R.id.action_sync_account).setVisible(false);
 265         menu.findItem(R.id.action_logger).setVisible(false);
 266         menu.findItem(R.id.action_sort).setVisible(false);
 267         return true;
 268     }
 269
 270     @Override
 271     public boolean onOptionsItemSelected(MenuItem item) {
 272         boolean retval = true;
 273         switch (item.getItemId()) {
 274         case R.id.action_create_dir: {
 275             CreateFolderDialogFragment dialog =
 276                     CreateFolderDialogFragment.newInstance(getCurrentFolder());
 277             dialog.show(
 278                     getSupportFragmentManager(),
 279                     CreateFolderDialogFragment.CREATE_FOLDER_FRAGMENT
 280             );
 281             break;
 282         }
 283         case android.R.id.home: {
 284             OCFile currentDir = getCurrentFolder();
 285             if(currentDir != null && currentDir.getParentId() != 0) {
 286                 onBackPressed();
 287             }
 288             break;
 289         }
 290         default:
 291             retval = super.onOptionsItemSelected(item);
 292         }
 293         return retval;
 294     }
 295
 296     protected OCFile getCurrentFolder() {
 297         OCFile file = getFile();
 298         if (file != null) {
 299             if (file.isFolder()) {
 300                 return file;
 301             } else if (getStorageManager() != null) {
 302                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 303                 return getStorageManager().getFileByPath(parentPath);
 304             }
 305         }
 306         return null;
 307     }
 308
 309     protected void refreshListOfFilesFragment() {
 310         OCFileListFragment fileListFragment = getListOfFilesFragment();
 311         if (fileListFragment != null) {
 312             fileListFragment.listDirectory();
 313         }
 314     }
 315
 316     public void browseToRoot() {
 317         OCFileListFragment listOfFiles = getListOfFilesFragment();
 318         if (listOfFiles != null) {  // should never be null, indeed
 319             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
 320             listOfFiles.listDirectory(root);
 321             setFile(listOfFiles.getCurrentFile());
 322             updateNavigationElementsInActionBar();
 323             startSyncFolderOperation(root, false);
 324         }
 325     }
 326
 327     @Override
 328     public void onBackPressed() {
 329         OCFileListFragment listOfFiles = getListOfFilesFragment();
 330         if (listOfFiles != null) {  // should never be null, indeed
 331             int levelsUp = listOfFiles.onBrowseUp();
 332             if (levelsUp == 0) {
 333                 finish();
 334                 return;
 335             }
 336             setFile(listOfFiles.getCurrentFile());
 337             updateNavigationElementsInActionBar();
 338         }
 339     }
 340
 341     protected void updateNavigationElementsInActionBar() {
 342         ActionBar actionBar = getSupportActionBar();
 343         OCFile currentDir = getCurrentFolder();
 344         boolean atRoot = (currentDir == null || currentDir.getParentId() == 0);
 345         actionBar.setDisplayHomeAsUpEnabled(!atRoot);
 346         actionBar.setHomeButtonEnabled(!atRoot);
 347         actionBar.setTitle(
 348             atRoot
 349                 ? getString(R.string.default_display_name_for_root_folder)
 350                 : currentDir.getFileName()
 351         );
 352     }
 353
 354     /**
 355      * Set per-view controllers
 356      */
 357     private void initControls(){
 358         mCancelBtn = (Button) findViewById(R.id.folder_picker_btn_cancel);
 359         mCancelBtn.setOnClickListener(this);
 360         mChooseBtn = (Button) findViewById(R.id.folder_picker_btn_choose);
 361         mChooseBtn.setOnClickListener(this);
 362     }
 363
 364     @Override
 365     public void onClick(View v) {
 366         if (v == mCancelBtn) {
 367             finish();
 368         } else if (v == mChooseBtn) {
 369             Intent i = getIntent();
 370             OCFile targetFile = (OCFile) i.getParcelableExtra(FolderPickerActivity.EXTRA_TARGET_FILE);
 371
 372             Intent data = new Intent();
 373             data.putExtra(EXTRA_CURRENT_FOLDER, getCurrentFolder());
 374             data.putExtra(EXTRA_TARGET_FILE, targetFile);
 375             setResult(RESULT_OK, data);
 376             finish();
 377         }
 378     }
 379
 380
 381     @Override
 382     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 383         super.onRemoteOperationFinish(operation, result);
 384
 385         if (operation instanceof CreateFolderOperation) {
 386             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 387
 388         }
 389     }
 390
 391
 392     /**
 393      * Updates the view associated to the activity after the finish of an operation trying
 394      * to create a new folder.
 395      *
 396      * @param operation     Creation operation performed.
 397      * @param result        Result of the creation.
 398      */
 399     private void onCreateFolderOperationFinish(
 400             CreateFolderOperation operation, RemoteOperationResult result
 401             ) {
 402
 403         if (result.isSuccess()) {
 404             dismissLoadingDialog();
 405             refreshListOfFilesFragment();
 406         } else {
 407             dismissLoadingDialog();
 408             try {
 409                 Toast msg = Toast.makeText(FolderPickerActivity.this,
 410                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 411                         Toast.LENGTH_LONG);
 412                 msg.show();
 413
 414             } catch (NotFoundException e) {
 415                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 416             }
 417         }
 418     }
 419
 420
 421
 422     private class SyncBroadcastReceiver extends BroadcastReceiver {
 423
 424         /**
 425          * {@link BroadcastReceiver} to enable syncing feedback in UI
 426          */
 427         @Override
 428         public void onReceive(Context context, Intent intent) {
 429             try {
 430                 String event = intent.getAction();
 431                 Log_OC.d(TAG, "Received broadcast " + event);
 432                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 433                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 434                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.
 435                         getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 436                 boolean sameAccount = (getAccount() != null &&
 437                         accountName.equals(getAccount().name) && getStorageManager() != null);
 438
 439                 if (sameAccount) {
 440
 441                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 442                         mSyncInProgress = true;
 443
 444                     } else {
 445                         OCFile currentFile = (getFile() == null) ? null :
 446                             getStorageManager().getFileByPath(getFile().getRemotePath());
 447                         OCFile currentDir = (getCurrentFolder() == null) ? null :
 448                             getStorageManager().getFileByPath(getCurrentFolder().getRemotePath());
 449
 450                         if (currentDir == null) {
 451                             // current folder was removed from the server
 452                             Toast.makeText( FolderPickerActivity.this,
 453                                             String.format(
 454                                                     getString(R.string.sync_current_folder_was_removed),
 455                                                     getCurrentFolder().getFileName()),
 456                                             Toast.LENGTH_LONG)
 457                                 .show();
 458                             browseToRoot();
 459
 460                         } else {
 461                             if (currentFile == null && !getFile().isFolder()) {
 462                                 // currently selected file was removed in the server, and now we know it
 463                                 currentFile = currentDir;
 464                             }
 465
 466                             if (synchFolderRemotePath != null && currentDir.getRemotePath().
 467                                     equals(synchFolderRemotePath)) {
 468                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 469                                 if (fileListFragment != null) {
 470                                     fileListFragment.listDirectory(currentDir);
 471                                 }
 472                             }
 473                             setFile(currentFile);
 474                         }
 475
 476                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 477                                 !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 478
 479                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 480                                     equals(event) &&
 481                                 /// TODO refactor and make common
 482                                 synchResult != null && !synchResult.isSuccess() &&
 483                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 484                                     synchResult.isIdPRedirection()                  ||
 485                                     (synchResult.isException() && synchResult.getException()
 486                                             instanceof AuthenticatorException))) {
 487
 488                             OwnCloudClient client = null;
 489                             try {
 490                                 OwnCloudAccount ocAccount =
 491                                         new OwnCloudAccount(getAccount(), context);
 492                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 493                                         removeClientFor(ocAccount));
 494                                 // TODO get rid of these exceptions
 495                             } catch (AccountNotFoundException e) {
 496                                 e.printStackTrace();
 497                             } catch (AuthenticatorException e) {
 498                                 e.printStackTrace();
 499                             } catch (OperationCanceledException e) {
 500                                 e.printStackTrace();
 501                             } catch (IOException e) {
 502                                 e.printStackTrace();
 503                             }
 504
 505                             if (client != null) {
 506                                 OwnCloudCredentials cred = client.getCredentials();
 507                                 if (cred != null) {
 508                                     AccountManager am = AccountManager.get(context);
 509                                     if (cred.authTokenExpires()) {
 510                                         am.invalidateAuthToken(
 511                                                 getAccount().type,
 512                                                 cred.getAuthToken()
 513                                         );
 514                                     } else {
 515                                         am.clearPassword(getAccount());
 516                                     }
 517                                 }
 518                             }
 519
 520                             requestCredentialsUpdate();
 521
 522                         }
 523                     }
 524                     removeStickyBroadcast(intent);
 525                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 526                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 527
 528                     setBackgroundText();
 529
 530                 }
 531
 532             } catch (RuntimeException e) {
 533                 // avoid app crashes after changing the serial id of RemoteOperationResult
 534                 // in owncloud library with broadcast notifications pending to process
 535                 removeStickyBroadcast(intent);
 536             }
 537         }
 538     }
 539
 540
 541
 542     /**
 543      * Shows the information of the {@link OCFile} received as a
 544      * parameter in the second fragment.
 545      *
 546      * @param file          {@link OCFile} whose details will be shown
 547      */
 548     @Override
 549     public void showDetails(OCFile file) {
 550
 551     }
 552
 553     /**
 554      * {@inheritDoc}
 555      */
 556     @Override
 557     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
 558
 559     }
 560
 561     @Override
 562     public void onRefresh() {
 563         refreshList(true);
 564     }
 565
 566     @Override
 567     public void onRefresh(boolean enforced) {
 568         refreshList(enforced);
 569     }
 570
 571     private void refreshList(boolean ignoreETag) {
 572         OCFileListFragment listOfFiles = getListOfFilesFragment();
 573         if (listOfFiles != null) {
 574             OCFile folder = listOfFiles.getCurrentFile();
 575             if (folder != null) {
 576                 startSyncFolderOperation(folder, ignoreETag);
 577             }
 578         }
 579     }
 580 }