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.ProgressBar;
  44 import android.widget.Toast;
  45
  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.ErrorMessageAdapter;
  64
  65 import java.util.ArrayList;
  66
  67 public class FolderPickerActivity extends FileActivity implements FileFragment.ContainerActivity,
  68     OnClickListener, OnEnforceableRefreshListener {
  69
  70     public static final String EXTRA_FOLDER = UploadFilesActivity.class.getCanonicalName()
  71                                                             + ".EXTRA_FOLDER";
  72     public static final String EXTRA_FILE = UploadFilesActivity.class.getCanonicalName()
  73                                                             + ".EXTRA_FILE";
  74     public static final String EXTRA_FILES = UploadFilesActivity.class.getCanonicalName()
  75             + ".EXTRA_FILES";
  76     //TODO: Think something better
  77
  78     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  79
  80     private static final String TAG = FolderPickerActivity.class.getSimpleName();
  81
  82     private static final String TAG_LIST_OF_FOLDERS = "LIST_OF_FOLDERS";
  83
  84     private boolean mSyncInProgress = false;
  85
  86     protected Button mCancelBtn;
  87     protected Button mChooseBtn;
  88     private ProgressBar mProgressBar;
  89
  90
  91     @Override
  92     protected void onCreate(Bundle savedInstanceState) {
  93         Log_OC.d(TAG, "onCreate() start");
  94
  95         super.onCreate(savedInstanceState);
  96
  97         setContentView(R.layout.files_folder_picker);
  98
  99         if (savedInstanceState == null) {
 100             createFragments();
 101         }
 102
 103         // sets callback listeners for UI elements
 104         initControls();
 105
 106         // Action bar setup
 107         ActionBar actionBar = getSupportActionBar();
 108         actionBar.setDisplayShowTitleEnabled(true);
 109         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
 110
 111         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 112         mProgressBar.setIndeterminateDrawable(
 113                 getResources().getDrawable(
 114                         R.drawable.actionbar_progress_indeterminate_horizontal));
 115         mProgressBar.setIndeterminate(mSyncInProgress);
 116         // always AFTER setContentView(...) ; to work around bug in its implementation
 117
 118         // sets message for empty list of folders
 119         setBackgroundText();
 120
 121         Log_OC.d(TAG, "onCreate() end");
 122     }
 123
 124     @Override
 125     protected void onStart() {
 126         super.onStart();
 127     }
 128
 129     /**
 130      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 131      */
 132     @Override
 133     protected void onAccountSet(boolean stateWasRecovered) {
 134         super.onAccountSet(stateWasRecovered);
 135         if (getAccount() != null) {
 136
 137             updateFileFromDB();
 138
 139             OCFile folder = getFile();
 140             if (folder == null || !folder.isFolder()) {
 141                 // fall back to root folder
 142                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 143                 folder = getFile();
 144             }
 145
 146             if (!stateWasRecovered) {
 147                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 148                 listOfFolders.listDirectory(folder, false);
 149
 150                 startSyncFolderOperation(folder, false);
 151             }
 152
 153             updateNavigationElementsInActionBar();
 154         }
 155     }
 156
 157     private void createFragments() {
 158         OCFileListFragment listOfFiles = new OCFileListFragment();
 159         Bundle args = new Bundle();
 160         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 161         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 162         args.putBoolean(OCFileListFragment.ARG_HIDE_FAB, true);
 163         listOfFiles.setArguments(args);
 164         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 165         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 166         transaction.commit();
 167     }
 168
 169     /**
 170      * Show a text message on screen view for notifying user if content is
 171      * loading or folder is empty
 172      */
 173     private void setBackgroundText() {
 174         OCFileListFragment listFragment = getListOfFilesFragment();
 175         if (listFragment != null) {
 176             int message = R.string.file_list_loading;
 177             if (!mSyncInProgress) {
 178                 // In case folder list is empty
 179                 message = R.string.file_list_empty_moving;
 180             }
 181             listFragment.setMessageForEmptyList(getString(message));
 182         } else {
 183             Log.e(TAG, "OCFileListFragment is null");
 184         }
 185     }
 186
 187     protected OCFileListFragment getListOfFilesFragment() {
 188         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 189         if (listOfFiles != null) {
 190             return (OCFileListFragment)listOfFiles;
 191         }
 192         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 193         return null;
 194     }
 195
 196
 197     /**
 198      * {@inheritDoc}
 199      *
 200      * Updates action bar and second fragment, if in dual pane mode.
 201      */
 202     @Override
 203     public void onBrowsedDownTo(OCFile directory) {
 204         setFile(directory);
 205         updateNavigationElementsInActionBar();
 206         // Sync Folder
 207         startSyncFolderOperation(directory, false);
 208
 209     }
 210
 211
 212     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 213         long currentSyncTime = System.currentTimeMillis();
 214
 215         mSyncInProgress = true;
 216
 217         // perform folder synchronization
 218         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 219                                                                         currentSyncTime,
 220                                                                         false,
 221                                                                         getFileOperationsHelper().isSharedSupported(),
 222                                                                         ignoreETag,
 223                                                                         getStorageManager(),
 224                                                                         getAccount(),
 225                                                                         getApplicationContext()
 226                                                                       );
 227         synchFolderOp.execute(getAccount(), this, null, null);
 228
 229         mProgressBar.setIndeterminate(true);
 230
 231         setBackgroundText();
 232     }
 233
 234     @Override
 235     protected void onResume() {
 236         super.onResume();
 237         Log_OC.e(TAG, "onResume() start");
 238
 239         // refresh list of files
 240         refreshListOfFilesFragment();
 241
 242         // Listen for sync messages
 243         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 244         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 245         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 246         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 247         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 248         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 249         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 250
 251         Log_OC.d(TAG, "onResume() end");
 252     }
 253
 254     @Override
 255     protected void onPause() {
 256         Log_OC.e(TAG, "onPause() start");
 257         if (mSyncBroadcastReceiver != null) {
 258             unregisterReceiver(mSyncBroadcastReceiver);
 259             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 260             mSyncBroadcastReceiver = null;
 261         }
 262
 263         Log_OC.d(TAG, "onPause() end");
 264         super.onPause();
 265     }
 266
 267     @Override
 268     public boolean onCreateOptionsMenu(Menu menu) {
 269         MenuInflater inflater = getMenuInflater();
 270         inflater.inflate(R.menu.main_menu, menu);
 271         menu.findItem(R.id.action_sort).setVisible(false);
 272         return true;
 273     }
 274
 275     @Override
 276     public boolean onOptionsItemSelected(MenuItem item) {
 277         boolean retval = true;
 278         switch (item.getItemId()) {
 279         case R.id.action_create_dir: {
 280             CreateFolderDialogFragment dialog =
 281                     CreateFolderDialogFragment.newInstance(getCurrentFolder());
 282             dialog.show(
 283                     getSupportFragmentManager(),
 284                     CreateFolderDialogFragment.CREATE_FOLDER_FRAGMENT
 285             );
 286             break;
 287         }
 288         case android.R.id.home: {
 289             OCFile currentDir = getCurrentFolder();
 290             if(currentDir != null && currentDir.getParentId() != 0) {
 291                 onBackPressed();
 292             }
 293             break;
 294         }
 295         default:
 296             retval = super.onOptionsItemSelected(item);
 297         }
 298         return retval;
 299     }
 300
 301     protected OCFile getCurrentFolder() {
 302         OCFile file = getFile();
 303         if (file != null) {
 304             if (file.isFolder()) {
 305                 return file;
 306             } else if (getStorageManager() != null) {
 307                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 308                 return getStorageManager().getFileByPath(parentPath);
 309             }
 310         }
 311         return null;
 312     }
 313
 314     protected void refreshListOfFilesFragment() {
 315         OCFileListFragment fileListFragment = getListOfFilesFragment();
 316         if (fileListFragment != null) {
 317             fileListFragment.listDirectory(false);
 318         }
 319     }
 320
 321     public void browseToRoot() {
 322         OCFileListFragment listOfFiles = getListOfFilesFragment();
 323         if (listOfFiles != null) {  // should never be null, indeed
 324             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
 325             listOfFiles.listDirectory(root, false);
 326             setFile(listOfFiles.getCurrentFile());
 327             updateNavigationElementsInActionBar();
 328             startSyncFolderOperation(root, false);
 329         }
 330     }
 331
 332     @Override
 333     public void onBackPressed() {
 334         OCFileListFragment listOfFiles = getListOfFilesFragment();
 335         if (listOfFiles != null) {  // should never be null, indeed
 336             int levelsUp = listOfFiles.onBrowseUp();
 337             if (levelsUp == 0) {
 338                 finish();
 339                 return;
 340             }
 341             setFile(listOfFiles.getCurrentFile());
 342             updateNavigationElementsInActionBar();
 343         }
 344     }
 345
 346     protected void updateNavigationElementsInActionBar() {
 347         ActionBar actionBar = getSupportActionBar();
 348         OCFile currentDir = getCurrentFolder();
 349         boolean atRoot = (currentDir == null || currentDir.getParentId() == 0);
 350         actionBar.setDisplayHomeAsUpEnabled(!atRoot);
 351         actionBar.setHomeButtonEnabled(!atRoot);
 352         actionBar.setTitle(
 353             atRoot
 354                 ? getString(R.string.default_display_name_for_root_folder)
 355                 : currentDir.getFileName()
 356         );
 357     }
 358
 359     /**
 360      * Set per-view controllers
 361      */
 362     private void initControls(){
 363         mCancelBtn = (Button) findViewById(R.id.folder_picker_btn_cancel);
 364         mCancelBtn.setOnClickListener(this);
 365         mChooseBtn = (Button) findViewById(R.id.folder_picker_btn_choose);
 366         mChooseBtn.setOnClickListener(this);
 367     }
 368
 369     @Override
 370     public void onClick(View v) {
 371         if (v == mCancelBtn) {
 372             finish();
 373         } else if (v == mChooseBtn) {
 374             Intent i = getIntent();
 375             Parcelable targetFile = i.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 376             ArrayList<Parcelable> targetFiles = i.getParcelableArrayListExtra(FolderPickerActivity.EXTRA_FILES);
 377
 378             Intent data = new Intent();
 379             data.putExtra(EXTRA_FOLDER, getCurrentFolder());
 380             if (targetFile != null) {
 381                 data.putExtra(EXTRA_FILE, targetFile);
 382             }
 383             if (targetFiles != null){
 384                 data.putParcelableArrayListExtra(EXTRA_FILES, targetFiles);
 385             }
 386             setResult(RESULT_OK, data);
 387             finish();
 388         }
 389     }
 390
 391
 392     @Override
 393     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 394         super.onRemoteOperationFinish(operation, result);
 395
 396         if (operation instanceof CreateFolderOperation) {
 397             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 398
 399         }
 400     }
 401
 402
 403     /**
 404      * Updates the view associated to the activity after the finish of an operation trying
 405      * to create a new folder.
 406      *
 407      * @param operation     Creation operation performed.
 408      * @param result        Result of the creation.
 409      */
 410     private void onCreateFolderOperationFinish(
 411             CreateFolderOperation operation, RemoteOperationResult result
 412             ) {
 413
 414         if (result.isSuccess()) {
 415             dismissLoadingDialog();
 416             refreshListOfFilesFragment();
 417         } else {
 418             dismissLoadingDialog();
 419             try {
 420                 Toast msg = Toast.makeText(FolderPickerActivity.this,
 421                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 422                         Toast.LENGTH_LONG);
 423                 msg.show();
 424
 425             } catch (NotFoundException e) {
 426                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 427             }
 428         }
 429     }
 430
 431
 432
 433     private class SyncBroadcastReceiver extends BroadcastReceiver {
 434
 435         /**
 436          * {@link BroadcastReceiver} to enable syncing feedback in UI
 437          */
 438         @Override
 439         public void onReceive(Context context, Intent intent) {
 440             try {
 441                 String event = intent.getAction();
 442                 Log_OC.d(TAG, "Received broadcast " + event);
 443                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 444                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 445                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.
 446                         getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 447                 boolean sameAccount = (getAccount() != null &&
 448                         accountName.equals(getAccount().name) && getStorageManager() != null);
 449
 450                 if (sameAccount) {
 451
 452                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 453                         mSyncInProgress = true;
 454
 455                     } else {
 456                         OCFile currentFile = (getFile() == null) ? null :
 457                             getStorageManager().getFileByPath(getFile().getRemotePath());
 458                         OCFile currentDir = (getCurrentFolder() == null) ? null :
 459                             getStorageManager().getFileByPath(getCurrentFolder().getRemotePath());
 460
 461                         if (currentDir == null) {
 462                             // current folder was removed from the server
 463                             Toast.makeText( FolderPickerActivity.this,
 464                                             String.format(
 465                                                     getString(R.string.sync_current_folder_was_removed),
 466                                                     getCurrentFolder().getFileName()),
 467                                             Toast.LENGTH_LONG)
 468                                 .show();
 469                             browseToRoot();
 470
 471                         } else {
 472                             if (currentFile == null && !getFile().isFolder()) {
 473                                 // currently selected file was removed in the server, and now we know it
 474                                 currentFile = currentDir;
 475                             }
 476
 477                             if (synchFolderRemotePath != null && currentDir.getRemotePath().
 478                                     equals(synchFolderRemotePath)) {
 479                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 480                                 if (fileListFragment != null) {
 481                                     fileListFragment.listDirectory(currentDir, false);
 482                                 }
 483                             }
 484                             setFile(currentFile);
 485                         }
 486
 487                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 488                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 489
 490                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 491                                     equals(event) &&
 492                                 /// TODO refactor and make common
 493                                 synchResult != null && !synchResult.isSuccess() &&
 494                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 495                                     synchResult.isIdPRedirection()                  ||
 496                                     (synchResult.isException() && synchResult.getException()
 497                                             instanceof AuthenticatorException))) {
 498
 499                             try {
 500                                 OwnCloudClient client;
 501                                 OwnCloudAccount ocAccount =
 502                                         new OwnCloudAccount(getAccount(), context);
 503                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 504                                         removeClientFor(ocAccount));
 505
 506                                 if (client != null) {
 507                                     OwnCloudCredentials cred = client.getCredentials();
 508                                     if (cred != null) {
 509                                         AccountManager am = AccountManager.get(context);
 510                                         if (cred.authTokenExpires()) {
 511                                             am.invalidateAuthToken(
 512                                                     getAccount().type,
 513                                                     cred.getAuthToken()
 514                                             );
 515                                         } else {
 516                                             am.clearPassword(getAccount());
 517                                         }
 518                                     }
 519                                 }
 520                                 requestCredentialsUpdate();
 521
 522                             } catch (AccountNotFoundException e) {
 523                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 524                             }
 525
 526                         }
 527                     }
 528                     removeStickyBroadcast(intent);
 529                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 530
 531                     mProgressBar.setIndeterminate(mSyncInProgress);
 532
 533                     setBackgroundText();
 534                 }
 535
 536             } catch (RuntimeException e) {
 537                 // avoid app crashes after changing the serial id of RemoteOperationResult
 538                 // in owncloud library with broadcast notifications pending to process
 539                 removeStickyBroadcast(intent);
 540             }
 541         }
 542     }
 543
 544
 545
 546     /**
 547      * Shows the information of the {@link OCFile} received as a
 548      * parameter in the second fragment.
 549      *
 550      * @param file          {@link OCFile} whose details will be shown
 551      */
 552     @Override
 553     public void showDetails(OCFile file) {
 554
 555     }
 556
 557     /**
 558      * {@inheritDoc}
 559      */
 560     @Override
 561     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
 562
 563     }
 564
 565     @Override
 566     public void onRefresh() {
 567         refreshList(true);
 568     }
 569
 570     @Override
 571     public void onRefresh(boolean enforced) {
 572         refreshList(enforced);
 573     }
 574
 575     private void refreshList(boolean ignoreETag) {
 576         OCFileListFragment listOfFiles = getListOfFilesFragment();
 577         if (listOfFiles != null) {
 578             OCFile folder = listOfFiles.getCurrentFile();
 579             if (folder != null) {
 580                 startSyncFolderOperation(folder, ignoreETag);
 581             }
 582         }
 583     }
 584 }