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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.activity;
  21
  22 import android.accounts.Account;
  23 import android.accounts.AccountManager;
  24 import android.accounts.AuthenticatorException;
  25 import android.content.BroadcastReceiver;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.IntentFilter;
  29 import android.content.res.Resources.NotFoundException;
  30 import android.os.Bundle;
  31 import android.os.Parcelable;
  32 import android.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.support.v7.app.ActionBar;
  35 import android.util.Log;
  36 import android.view.Menu;
  37 import android.view.MenuInflater;
  38 import android.view.MenuItem;
  39 import android.view.View;
  40 import android.view.View.OnClickListener;
  41 import android.view.Window;
  42 import android.widget.Button;
  43 import android.widget.Toast;
  44
  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.lib.common.utils.Log_OC;
  56 import com.owncloud.android.operations.CreateFolderOperation;
  57 import com.owncloud.android.operations.RefreshFolderOperation;
  58 import com.owncloud.android.syncadapter.FileSyncAdapter;
  59 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  60 import com.owncloud.android.ui.fragment.FileFragment;
  61 import com.owncloud.android.ui.fragment.OCFileListFragment;
  62 import com.owncloud.android.utils.DisplayUtils;
  63 import com.owncloud.android.utils.ErrorMessageAdapter;
  64
  65 public class FolderPickerActivity extends FileActivity implements FileFragment.ContainerActivity,
  66     OnClickListener, OnEnforceableRefreshListener {
  67
  68     public static final String EXTRA_FOLDER = UploadFilesActivity.class.getCanonicalName()
  69                                                             + ".EXTRA_FOLDER";
  70     public static final String EXTRA_FILE = UploadFilesActivity.class.getCanonicalName()
  71                                                             + ".EXTRA_FILE";
  72     //TODO: Think something better
  73
  74     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  75
  76     private static final String TAG = FolderPickerActivity.class.getSimpleName();
  77
  78     private static final String TAG_LIST_OF_FOLDERS = "LIST_OF_FOLDERS";
  79
  80     private boolean mSyncInProgress = false;
  81
  82     protected Button mCancelBtn;
  83     protected Button mChooseBtn;
  84
  85
  86     @Override
  87     protected void onCreate(Bundle savedInstanceState) {
  88         Log_OC.d(TAG, "onCreate() start");
  89         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
  90
  91         super.onCreate(savedInstanceState);
  92
  93         setContentView(R.layout.files_folder_picker);
  94
  95         if (savedInstanceState == null) {
  96             createFragments();
  97         }
  98
  99         // sets callback listeners for UI elements
 100         initControls();
 101
 102         // Action bar setup
 103         ActionBar actionBar = getSupportActionBar();
 104         actionBar.setDisplayShowTitleEnabled(true);
 105         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 106         setSupportProgressBarIndeterminateVisibility(mSyncInProgress);
 107             // always AFTER setContentView(...) ; to work around bug in its implementation
 108
 109         // sets message for empty list of folders
 110         setBackgroundText();
 111
 112         Log_OC.d(TAG, "onCreate() end");
 113
 114     }
 115
 116     @Override
 117     protected void onStart() {
 118         super.onStart();
 119         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 120     }
 121
 122     /**
 123      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 124      */
 125     @Override
 126     protected void onAccountSet(boolean stateWasRecovered) {
 127         super.onAccountSet(stateWasRecovered);
 128         if (getAccount() != null) {
 129
 130             updateFileFromDB();
 131
 132             OCFile folder = getFile();
 133             if (folder == null || !folder.isFolder()) {
 134                 // fall back to root folder
 135                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 136                 folder = getFile();
 137             }
 138
 139             if (!stateWasRecovered) {
 140                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 141                 listOfFolders.listDirectory(folder/*, false*/);
 142
 143                 startSyncFolderOperation(folder, false);
 144             }
 145
 146             updateNavigationElementsInActionBar();
 147         }
 148     }
 149
 150     private void createFragments() {
 151         OCFileListFragment listOfFiles = new OCFileListFragment();
 152         Bundle args = new Bundle();
 153         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 154         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 155         listOfFiles.setArguments(args);
 156         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 157         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 158         transaction.commit();
 159     }
 160
 161     /**
 162      * Show a text message on screen view for notifying user if content is
 163      * loading or folder is empty
 164      */
 165     private void setBackgroundText() {
 166         OCFileListFragment listFragment = getListOfFilesFragment();
 167         if (listFragment != null) {
 168             int message = R.string.file_list_loading;
 169             if (!mSyncInProgress) {
 170                 // In case folder list is empty
 171                 message = R.string.file_list_empty_moving;
 172             }
 173             listFragment.setMessageForEmptyList(getString(message));
 174         } else {
 175             Log.e(TAG, "OCFileListFragment is null");
 176         }
 177     }
 178
 179     protected OCFileListFragment getListOfFilesFragment() {
 180         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 181         if (listOfFiles != null) {
 182             return (OCFileListFragment)listOfFiles;
 183         }
 184         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 185         return null;
 186     }
 187
 188
 189     /**
 190      * {@inheritDoc}
 191      *
 192      * Updates action bar and second fragment, if in dual pane mode.
 193      */
 194     @Override
 195     public void onBrowsedDownTo(OCFile directory) {
 196         setFile(directory);
 197         updateNavigationElementsInActionBar();
 198         // Sync Folder
 199         startSyncFolderOperation(directory, false);
 200
 201     }
 202
 203
 204     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 205         long currentSyncTime = System.currentTimeMillis();
 206
 207         mSyncInProgress = true;
 208
 209         // perform folder synchronization
 210         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 211                                                                         currentSyncTime,
 212                                                                         false,
 213                                                                         getFileOperationsHelper().isSharedSupported(),
 214                                                                         ignoreETag,
 215                                                                         getStorageManager(),
 216                                                                         getAccount(),
 217                                                                         getApplicationContext()
 218                                                                       );
 219         synchFolderOp.execute(getAccount(), this, null, null);
 220
 221         setSupportProgressBarIndeterminateVisibility(true);
 222
 223         setBackgroundText();
 224     }
 225
 226     @Override
 227     protected void onResume() {
 228         super.onResume();
 229         Log_OC.e(TAG, "onResume() start");
 230
 231         // refresh list of files
 232         refreshListOfFilesFragment();
 233
 234         // Listen for sync messages
 235         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 236         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 237         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 238         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 239         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 240         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 241         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 242
 243         Log_OC.d(TAG, "onResume() end");
 244     }
 245
 246     @Override
 247     protected void onPause() {
 248         Log_OC.e(TAG, "onPause() start");
 249         if (mSyncBroadcastReceiver != null) {
 250             unregisterReceiver(mSyncBroadcastReceiver);
 251             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 252             mSyncBroadcastReceiver = null;
 253         }
 254
 255         Log_OC.d(TAG, "onPause() end");
 256         super.onPause();
 257     }
 258
 259     @Override
 260     public boolean onCreateOptionsMenu(Menu menu) {
 261         MenuInflater inflater = getMenuInflater();
 262         inflater.inflate(R.menu.main_menu, menu);
 263         menu.findItem(R.id.action_upload).setVisible(false);
 264         menu.findItem(R.id.action_sort).setVisible(false);
 265         return true;
 266     }
 267
 268     @Override
 269     public boolean onOptionsItemSelected(MenuItem item) {
 270         boolean retval = true;
 271         switch (item.getItemId()) {
 272         case R.id.action_create_dir: {
 273             CreateFolderDialogFragment dialog =
 274                     CreateFolderDialogFragment.newInstance(getCurrentFolder());
 275             dialog.show(
 276                     getSupportFragmentManager(),
 277                     CreateFolderDialogFragment.CREATE_FOLDER_FRAGMENT
 278             );
 279             break;
 280         }
 281         case android.R.id.home: {
 282             OCFile currentDir = getCurrentFolder();
 283             if(currentDir != null && currentDir.getParentId() != 0) {
 284                 onBackPressed();
 285             }
 286             break;
 287         }
 288         default:
 289             retval = super.onOptionsItemSelected(item);
 290         }
 291         return retval;
 292     }
 293
 294     protected OCFile getCurrentFolder() {
 295         OCFile file = getFile();
 296         if (file != null) {
 297             if (file.isFolder()) {
 298                 return file;
 299             } else if (getStorageManager() != null) {
 300                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 301                 return getStorageManager().getFileByPath(parentPath);
 302             }
 303         }
 304         return null;
 305     }
 306
 307     protected void refreshListOfFilesFragment() {
 308         OCFileListFragment fileListFragment = getListOfFilesFragment();
 309         if (fileListFragment != null) {
 310             fileListFragment.listDirectory();
 311             // TODO Enable when "On Device" is recovered ?
 312             // fileListFragment.listDirectory(false);
 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             // TODO Enable when "On Device" is recovered ?
 322             // listOfFiles.listDirectory(root, false);
 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                                     // TODO Enable when "On Device" is recovered ?
 476                                     // fileListFragment.listDirectory(currentDir, false);
 477                                 }
 478                             }
 479                             setFile(currentFile);
 480                         }
 481
 482                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 483                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 484
 485                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 486                                     equals(event) &&
 487                                 /// TODO refactor and make common
 488                                 synchResult != null && !synchResult.isSuccess() &&
 489                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 490                                     synchResult.isIdPRedirection()                  ||
 491                                     (synchResult.isException() && synchResult.getException()
 492                                             instanceof AuthenticatorException))) {
 493
 494                             try {
 495                                 OwnCloudClient client;
 496                                 OwnCloudAccount ocAccount =
 497                                         new OwnCloudAccount(getAccount(), context);
 498                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 499                                         removeClientFor(ocAccount));
 500
 501                                 if (client != null) {
 502                                     OwnCloudCredentials cred = client.getCredentials();
 503                                     if (cred != null) {
 504                                         AccountManager am = AccountManager.get(context);
 505                                         if (cred.authTokenExpires()) {
 506                                             am.invalidateAuthToken(
 507                                                     getAccount().type,
 508                                                     cred.getAuthToken()
 509                                             );
 510                                         } else {
 511                                             am.clearPassword(getAccount());
 512                                         }
 513                                     }
 514                                 }
 515                                 requestCredentialsUpdate();
 516
 517                             } catch (AccountNotFoundException e) {
 518                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 519                             }
 520
 521                         }
 522                     }
 523                     removeStickyBroadcast(intent);
 524                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 525                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 526
 527                     setBackgroundText();
 528
 529                 }
 530
 531             } catch (RuntimeException e) {
 532                 // avoid app crashes after changing the serial id of RemoteOperationResult
 533                 // in owncloud library with broadcast notifications pending to process
 534                 removeStickyBroadcast(intent);
 535             }
 536         }
 537     }
 538
 539
 540
 541     /**
 542      * Shows the information of the {@link OCFile} received as a
 543      * parameter in the second fragment.
 544      *
 545      * @param file          {@link OCFile} whose details will be shown
 546      */
 547     @Override
 548     public void showDetails(OCFile file) {
 549
 550     }
 551
 552     /**
 553      * {@inheritDoc}
 554      */
 555     @Override
 556     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
 557
 558     }
 559
 560     @Override
 561     public void onRefresh() {
 562         refreshList(true);
 563     }
 564
 565     @Override
 566     public void onRefresh(boolean enforced) {
 567         refreshList(enforced);
 568     }
 569
 570     private void refreshList(boolean ignoreETag) {
 571         OCFileListFragment listOfFiles = getListOfFilesFragment();
 572         if (listOfFiles != null) {
 573             OCFile folder = listOfFiles.getCurrentFile();
 574             if (folder != null) {
 575                 startSyncFolderOperation(folder, ignoreETag);
 576             }
 577         }
 578     }
 579 }