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.widget.Button;
  42 import android.widget.ProgressBar;
  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.ErrorMessageAdapter;
  63
  64 public class FolderPickerActivity extends FileActivity implements FileFragment.ContainerActivity,
  65     OnClickListener, OnEnforceableRefreshListener {
  66
  67     public static final String EXTRA_FOLDER = UploadFilesActivity.class.getCanonicalName()
  68                                                             + ".EXTRA_FOLDER";
  69     public static final String EXTRA_FILE = UploadFilesActivity.class.getCanonicalName()
  70                                                             + ".EXTRA_FILE";
  71     //TODO: Think something better
  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     private ProgressBar mProgressBar;
  84
  85
  86     @Override
  87     protected void onCreate(Bundle savedInstanceState) {
  88         Log_OC.d(TAG, "onCreate() start");
  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
 106         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 107         mProgressBar.setIndeterminateDrawable(
 108                 getResources().getDrawable(
 109                         R.drawable.actionbar_progress_indeterminate_horizontal));
 110         mProgressBar.setIndeterminate(mSyncInProgress);
 111         // always AFTER setContentView(...) ; to work around bug in its implementation
 112
 113         // sets message for empty list of folders
 114         setBackgroundText();
 115
 116         Log_OC.d(TAG, "onCreate() end");
 117     }
 118
 119     @Override
 120     protected void onStart() {
 121         super.onStart();
 122     }
 123
 124     /**
 125      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 126      */
 127     @Override
 128     protected void onAccountSet(boolean stateWasRecovered) {
 129         super.onAccountSet(stateWasRecovered);
 130         if (getAccount() != null) {
 131
 132             updateFileFromDB();
 133
 134             OCFile folder = getFile();
 135             if (folder == null || !folder.isFolder()) {
 136                 // fall back to root folder
 137                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 138                 folder = getFile();
 139             }
 140
 141             if (!stateWasRecovered) {
 142                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 143                 listOfFolders.listDirectory(folder/*, false*/);
 144
 145                 startSyncFolderOperation(folder, false);
 146             }
 147
 148             updateNavigationElementsInActionBar();
 149         }
 150     }
 151
 152     private void createFragments() {
 153         OCFileListFragment listOfFiles = new OCFileListFragment();
 154         Bundle args = new Bundle();
 155         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 156         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 157         listOfFiles.setArguments(args);
 158         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 159         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 160         transaction.commit();
 161     }
 162
 163     /**
 164      * Show a text message on screen view for notifying user if content is
 165      * loading or folder is empty
 166      */
 167     private void setBackgroundText() {
 168         OCFileListFragment listFragment = getListOfFilesFragment();
 169         if (listFragment != null) {
 170             int message = R.string.file_list_loading;
 171             if (!mSyncInProgress) {
 172                 // In case folder list is empty
 173                 message = R.string.file_list_empty_moving;
 174             }
 175             listFragment.setMessageForEmptyList(getString(message));
 176         } else {
 177             Log.e(TAG, "OCFileListFragment is null");
 178         }
 179     }
 180
 181     protected OCFileListFragment getListOfFilesFragment() {
 182         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 183         if (listOfFiles != null) {
 184             return (OCFileListFragment)listOfFiles;
 185         }
 186         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 187         return null;
 188     }
 189
 190
 191     /**
 192      * {@inheritDoc}
 193      *
 194      * Updates action bar and second fragment, if in dual pane mode.
 195      */
 196     @Override
 197     public void onBrowsedDownTo(OCFile directory) {
 198         setFile(directory);
 199         updateNavigationElementsInActionBar();
 200         // Sync Folder
 201         startSyncFolderOperation(directory, false);
 202
 203     }
 204
 205
 206     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 207         long currentSyncTime = System.currentTimeMillis();
 208
 209         mSyncInProgress = true;
 210
 211         // perform folder synchronization
 212         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 213                                                                         currentSyncTime,
 214                                                                         false,
 215                                                                         getFileOperationsHelper().isSharedSupported(),
 216                                                                         ignoreETag,
 217                                                                         getStorageManager(),
 218                                                                         getAccount(),
 219                                                                         getApplicationContext()
 220                                                                       );
 221         synchFolderOp.execute(getAccount(), this, null, null);
 222
 223         mProgressBar.setIndeterminate(true);
 224
 225         setBackgroundText();
 226     }
 227
 228     @Override
 229     protected void onResume() {
 230         super.onResume();
 231         Log_OC.e(TAG, "onResume() start");
 232
 233         // refresh list of files
 234         refreshListOfFilesFragment();
 235
 236         // Listen for sync messages
 237         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 238         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 239         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 240         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 241         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 242         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 243         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 244
 245         Log_OC.d(TAG, "onResume() end");
 246     }
 247
 248     @Override
 249     protected void onPause() {
 250         Log_OC.e(TAG, "onPause() start");
 251         if (mSyncBroadcastReceiver != null) {
 252             unregisterReceiver(mSyncBroadcastReceiver);
 253             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 254             mSyncBroadcastReceiver = null;
 255         }
 256
 257         Log_OC.d(TAG, "onPause() end");
 258         super.onPause();
 259     }
 260
 261     @Override
 262     public boolean onCreateOptionsMenu(Menu menu) {
 263         MenuInflater inflater = getMenuInflater();
 264         inflater.inflate(R.menu.main_menu, menu);
 265         menu.findItem(R.id.action_upload).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             // TODO Enable when "On Device" is recovered ?
 314             // fileListFragment.listDirectory(false);
 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             // TODO Enable when "On Device" is recovered ?
 324             // listOfFiles.listDirectory(root, false);
 325             setFile(listOfFiles.getCurrentFile());
 326             updateNavigationElementsInActionBar();
 327             startSyncFolderOperation(root, false);
 328         }
 329     }
 330
 331     @Override
 332     public void onBackPressed() {
 333         OCFileListFragment listOfFiles = getListOfFilesFragment();
 334         if (listOfFiles != null) {  // should never be null, indeed
 335             int levelsUp = listOfFiles.onBrowseUp();
 336             if (levelsUp == 0) {
 337                 finish();
 338                 return;
 339             }
 340             setFile(listOfFiles.getCurrentFile());
 341             updateNavigationElementsInActionBar();
 342         }
 343     }
 344
 345     protected void updateNavigationElementsInActionBar() {
 346         ActionBar actionBar = getSupportActionBar();
 347         OCFile currentDir = getCurrentFolder();
 348         boolean atRoot = (currentDir == null || currentDir.getParentId() == 0);
 349         actionBar.setDisplayHomeAsUpEnabled(!atRoot);
 350         actionBar.setHomeButtonEnabled(!atRoot);
 351         actionBar.setTitle(
 352                 atRoot
 353                         ? getString(R.string.default_display_name_for_root_folder)
 354                         : currentDir.getFileName()
 355         );
 356     }
 357
 358     /**
 359      * Set per-view controllers
 360      */
 361     private void initControls(){
 362         mCancelBtn = (Button) findViewById(R.id.folder_picker_btn_cancel);
 363         mCancelBtn.setOnClickListener(this);
 364         mChooseBtn = (Button) findViewById(R.id.folder_picker_btn_choose);
 365         mChooseBtn.setOnClickListener(this);
 366     }
 367
 368     @Override
 369     public void onClick(View v) {
 370         if (v == mCancelBtn) {
 371             finish();
 372         } else if (v == mChooseBtn) {
 373             Intent i = getIntent();
 374             Parcelable targetFile = i.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 375
 376             Intent data = new Intent();
 377             data.putExtra(EXTRA_FOLDER, getCurrentFolder());
 378             if (targetFile != null) {
 379                 data.putExtra(EXTRA_FILE, targetFile);
 380             }
 381             setResult(RESULT_OK, data);
 382             finish();
 383         }
 384     }
 385
 386
 387     @Override
 388     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 389         super.onRemoteOperationFinish(operation, result);
 390
 391         if (operation instanceof CreateFolderOperation) {
 392             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
 393
 394         }
 395     }
 396
 397
 398     /**
 399      * Updates the view associated to the activity after the finish of an operation trying
 400      * to create a new folder.
 401      *
 402      * @param operation     Creation operation performed.
 403      * @param result        Result of the creation.
 404      */
 405     private void onCreateFolderOperationFinish(
 406             CreateFolderOperation operation, RemoteOperationResult result
 407             ) {
 408
 409         if (result.isSuccess()) {
 410             refreshListOfFilesFragment();
 411         } else {
 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
 526                     mProgressBar.setIndeterminate(mSyncInProgress);
 527
 528                     setBackgroundText();
 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 }