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 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     private ProgressBar mProgressBar;
  85
  86
  87     @Override
  88     protected void onCreate(Bundle savedInstanceState) {
  89         Log_OC.d(TAG, "onCreate() start");
  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
 107         mProgressBar = (ProgressBar) findViewById(R.id.progressBar);
 108         mProgressBar.setIndeterminateDrawable(
 109                 getResources().getDrawable(
 110                         R.drawable.actionbar_progress_indeterminate_horizontal));
 111         mProgressBar.setIndeterminate(mSyncInProgress);
 112         // always AFTER setContentView(...) ; to work around bug in its implementation
 113
 114         // sets message for empty list of folders
 115         setBackgroundText();
 116
 117         Log_OC.d(TAG, "onCreate() end");
 118     }
 119
 120     @Override
 121     protected void onStart() {
 122         super.onStart();
 123     }
 124
 125     /**
 126      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 127      */
 128     @Override
 129     protected void onAccountSet(boolean stateWasRecovered) {
 130         super.onAccountSet(stateWasRecovered);
 131         if (getAccount() != null) {
 132
 133             updateFileFromDB();
 134
 135             OCFile folder = getFile();
 136             if (folder == null || !folder.isFolder()) {
 137                 // fall back to root folder
 138                 setFile(getStorageManager().getFileByPath(OCFile.ROOT_PATH));
 139                 folder = getFile();
 140             }
 141
 142             if (!stateWasRecovered) {
 143                 OCFileListFragment listOfFolders = getListOfFilesFragment();
 144                 listOfFolders.listDirectory(folder/*, false*/);
 145
 146                 startSyncFolderOperation(folder, false);
 147             }
 148
 149             updateNavigationElementsInActionBar();
 150         }
 151     }
 152
 153     private void createFragments() {
 154         OCFileListFragment listOfFiles = new OCFileListFragment();
 155         Bundle args = new Bundle();
 156         args.putBoolean(OCFileListFragment.ARG_JUST_FOLDERS, true);
 157         args.putBoolean(OCFileListFragment.ARG_ALLOW_CONTEXTUAL_ACTIONS, false);
 158         listOfFiles.setArguments(args);
 159         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 160         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 161         transaction.commit();
 162     }
 163
 164     /**
 165      * Show a text message on screen view for notifying user if content is
 166      * loading or folder is empty
 167      */
 168     private void setBackgroundText() {
 169         OCFileListFragment listFragment = getListOfFilesFragment();
 170         if (listFragment != null) {
 171             int message = R.string.file_list_loading;
 172             if (!mSyncInProgress) {
 173                 // In case folder list is empty
 174                 message = R.string.file_list_empty_moving;
 175             }
 176             listFragment.setMessageForEmptyList(getString(message));
 177         } else {
 178             Log.e(TAG, "OCFileListFragment is null");
 179         }
 180     }
 181
 182     protected OCFileListFragment getListOfFilesFragment() {
 183         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 184         if (listOfFiles != null) {
 185             return (OCFileListFragment)listOfFiles;
 186         }
 187         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 188         return null;
 189     }
 190
 191
 192     /**
 193      * {@inheritDoc}
 194      *
 195      * Updates action bar and second fragment, if in dual pane mode.
 196      */
 197     @Override
 198     public void onBrowsedDownTo(OCFile directory) {
 199         setFile(directory);
 200         updateNavigationElementsInActionBar();
 201         // Sync Folder
 202         startSyncFolderOperation(directory, false);
 203
 204     }
 205
 206
 207     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 208         long currentSyncTime = System.currentTimeMillis();
 209
 210         mSyncInProgress = true;
 211
 212         // perform folder synchronization
 213         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 214                                                                         currentSyncTime,
 215                                                                         false,
 216                                                                         getFileOperationsHelper().isSharedSupported(),
 217                                                                         ignoreETag,
 218                                                                         getStorageManager(),
 219                                                                         getAccount(),
 220                                                                         getApplicationContext()
 221                                                                       );
 222         synchFolderOp.execute(getAccount(), this, null, null);
 223
 224         mProgressBar.setIndeterminate(true);
 225
 226         setBackgroundText();
 227     }
 228
 229     @Override
 230     protected void onResume() {
 231         super.onResume();
 232         Log_OC.e(TAG, "onResume() start");
 233
 234         // refresh list of files
 235         refreshListOfFilesFragment();
 236
 237         // Listen for sync messages
 238         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 239         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 240         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 241         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 242         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 243         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 244         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 245
 246         Log_OC.d(TAG, "onResume() end");
 247     }
 248
 249     @Override
 250     protected void onPause() {
 251         Log_OC.e(TAG, "onPause() start");
 252         if (mSyncBroadcastReceiver != null) {
 253             unregisterReceiver(mSyncBroadcastReceiver);
 254             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 255             mSyncBroadcastReceiver = null;
 256         }
 257
 258         Log_OC.d(TAG, "onPause() end");
 259         super.onPause();
 260     }
 261
 262     @Override
 263     public boolean onCreateOptionsMenu(Menu menu) {
 264         MenuInflater inflater = getMenuInflater();
 265         inflater.inflate(R.menu.main_menu, menu);
 266         menu.findItem(R.id.action_upload).setVisible(false);
 267         menu.findItem(R.id.action_sort).setVisible(false);
 268         return true;
 269     }
 270
 271     @Override
 272     public boolean onOptionsItemSelected(MenuItem item) {
 273         boolean retval = true;
 274         switch (item.getItemId()) {
 275         case R.id.action_create_dir: {
 276             CreateFolderDialogFragment dialog =
 277                     CreateFolderDialogFragment.newInstance(getCurrentFolder());
 278             dialog.show(
 279                     getSupportFragmentManager(),
 280                     CreateFolderDialogFragment.CREATE_FOLDER_FRAGMENT
 281             );
 282             break;
 283         }
 284         case android.R.id.home: {
 285             OCFile currentDir = getCurrentFolder();
 286             if(currentDir != null && currentDir.getParentId() != 0) {
 287                 onBackPressed();
 288             }
 289             break;
 290         }
 291         default:
 292             retval = super.onOptionsItemSelected(item);
 293         }
 294         return retval;
 295     }
 296
 297     protected OCFile getCurrentFolder() {
 298         OCFile file = getFile();
 299         if (file != null) {
 300             if (file.isFolder()) {
 301                 return file;
 302             } else if (getStorageManager() != null) {
 303                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 304                 return getStorageManager().getFileByPath(parentPath);
 305             }
 306         }
 307         return null;
 308     }
 309
 310     protected void refreshListOfFilesFragment() {
 311         OCFileListFragment fileListFragment = getListOfFilesFragment();
 312         if (fileListFragment != null) {
 313             fileListFragment.listDirectory();
 314             // TODO Enable when "On Device" is recovered ?
 315             // fileListFragment.listDirectory(false);
 316         }
 317     }
 318
 319     public void browseToRoot() {
 320         OCFileListFragment listOfFiles = getListOfFilesFragment();
 321         if (listOfFiles != null) {  // should never be null, indeed
 322             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
 323             listOfFiles.listDirectory(root);
 324             // TODO Enable when "On Device" is recovered ?
 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
 377             Intent data = new Intent();
 378             data.putExtra(EXTRA_FOLDER, getCurrentFolder());
 379             if (targetFile != null) {
 380                 data.putExtra(EXTRA_FILE, targetFile);
 381             }
 382             setResult(RESULT_OK, data);
 383             finish();
 384         }
 385     }
 386
 387
 388     @Override
 389     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 390         super.onRemoteOperationFinish(operation, result);
 391
 392         if (operation instanceof CreateFolderOperation) {
 393             onCreateFolderOperationFinish((CreateFolderOperation) operation, result);
 394
 395         }
 396     }
 397
 398
 399     /**
 400      * Updates the view associated to the activity after the finish of an operation trying
 401      * to create a new folder.
 402      *
 403      * @param operation     Creation operation performed.
 404      * @param result        Result of the creation.
 405      */
 406     private void onCreateFolderOperationFinish(
 407             CreateFolderOperation operation, RemoteOperationResult result
 408             ) {
 409
 410         if (result.isSuccess()) {
 411             refreshListOfFilesFragment();
 412         } else {
 413             try {
 414                 Toast msg = Toast.makeText(FolderPickerActivity.this,
 415                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 416                         Toast.LENGTH_LONG);
 417                 msg.show();
 418
 419             } catch (NotFoundException e) {
 420                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 421             }
 422         }
 423     }
 424
 425
 426
 427     private class SyncBroadcastReceiver extends BroadcastReceiver {
 428
 429         /**
 430          * {@link BroadcastReceiver} to enable syncing feedback in UI
 431          */
 432         @Override
 433         public void onReceive(Context context, Intent intent) {
 434             try {
 435                 String event = intent.getAction();
 436                 Log_OC.d(TAG, "Received broadcast " + event);
 437                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 438                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 439                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.
 440                         getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 441                 boolean sameAccount = (getAccount() != null &&
 442                         accountName.equals(getAccount().name) && getStorageManager() != null);
 443
 444                 if (sameAccount) {
 445
 446                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 447                         mSyncInProgress = true;
 448
 449                     } else {
 450                         OCFile currentFile = (getFile() == null) ? null :
 451                             getStorageManager().getFileByPath(getFile().getRemotePath());
 452                         OCFile currentDir = (getCurrentFolder() == null) ? null :
 453                             getStorageManager().getFileByPath(getCurrentFolder().getRemotePath());
 454
 455                         if (currentDir == null) {
 456                             // current folder was removed from the server
 457                             Toast.makeText( FolderPickerActivity.this,
 458                                             String.format(
 459                                                     getString(R.string.sync_current_folder_was_removed),
 460                                                     getCurrentFolder().getFileName()),
 461                                             Toast.LENGTH_LONG)
 462                                 .show();
 463                             browseToRoot();
 464
 465                         } else {
 466                             if (currentFile == null && !getFile().isFolder()) {
 467                                 // currently selected file was removed in the server, and now we know it
 468                                 currentFile = currentDir;
 469                             }
 470
 471                             if (synchFolderRemotePath != null && currentDir.getRemotePath().
 472                                     equals(synchFolderRemotePath)) {
 473                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 474                                 if (fileListFragment != null) {
 475                                     fileListFragment.listDirectory(currentDir);
 476                                     // TODO Enable when "On Device" is recovered ?
 477                                     // fileListFragment.listDirectory(currentDir, false);
 478                                 }
 479                             }
 480                             setFile(currentFile);
 481                         }
 482
 483                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 484                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 485
 486                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 487                                     equals(event) &&
 488                                 /// TODO refactor and make common
 489                                 synchResult != null && !synchResult.isSuccess() &&
 490                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 491                                     synchResult.isIdPRedirection()                  ||
 492                                     (synchResult.isException() && synchResult.getException()
 493                                             instanceof AuthenticatorException))) {
 494
 495                             try {
 496                                 OwnCloudClient client;
 497                                 OwnCloudAccount ocAccount =
 498                                         new OwnCloudAccount(getAccount(), context);
 499                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 500                                         removeClientFor(ocAccount));
 501
 502                                 if (client != null) {
 503                                     OwnCloudCredentials cred = client.getCredentials();
 504                                     if (cred != null) {
 505                                         AccountManager am = AccountManager.get(context);
 506                                         if (cred.authTokenExpires()) {
 507                                             am.invalidateAuthToken(
 508                                                     getAccount().type,
 509                                                     cred.getAuthToken()
 510                                             );
 511                                         } else {
 512                                             am.clearPassword(getAccount());
 513                                         }
 514                                     }
 515                                 }
 516                                 requestCredentialsUpdate();
 517
 518                             } catch (AccountNotFoundException e) {
 519                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 520                             }
 521
 522                         }
 523                     }
 524                     removeStickyBroadcast(intent);
 525                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 526
 527                     mProgressBar.setIndeterminate(mSyncInProgress);
 528
 529                     setBackgroundText();
 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     /**
 562      * Shows the share view for sharing  {@link OCFile} received as a
 563      * parameter in the second fragment.
 564      *
 565      * @param file {@link OCFile}  File to share with
 566      */
 567     @Override
 568     public void showShareFile(OCFile file) {
 569
 570     }
 571
 572     @Override
 573     public void onRefresh() {
 574         refreshList(true);
 575     }
 576
 577     @Override
 578     public void onRefresh(boolean enforced) {
 579         refreshList(enforced);
 580     }
 581
 582     private void refreshList(boolean ignoreETag) {
 583         OCFileListFragment listOfFiles = getListOfFilesFragment();
 584         if (listOfFiles != null) {
 585             OCFile folder = listOfFiles.getCurrentFile();
 586             if (folder != null) {
 587                 startSyncFolderOperation(folder, ignoreETag);
 588             }
 589         }
 590     }
 591 }