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         args.putBoolean(OCFileListFragment.ARG_HIDE_FAB, true);
 159         listOfFiles.setArguments(args);
 160         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 161         transaction.add(R.id.fragment_container, listOfFiles, TAG_LIST_OF_FOLDERS);
 162         transaction.commit();
 163     }
 164
 165     /**
 166      * Show a text message on screen view for notifying user if content is
 167      * loading or folder is empty
 168      */
 169     private void setBackgroundText() {
 170         OCFileListFragment listFragment = getListOfFilesFragment();
 171         if (listFragment != null) {
 172             int message = R.string.file_list_loading;
 173             if (!mSyncInProgress) {
 174                 // In case folder list is empty
 175                 message = R.string.file_list_empty_moving;
 176             }
 177             listFragment.setMessageForEmptyList(getString(message));
 178         } else {
 179             Log.e(TAG, "OCFileListFragment is null");
 180         }
 181     }
 182
 183     protected OCFileListFragment getListOfFilesFragment() {
 184         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FolderPickerActivity.TAG_LIST_OF_FOLDERS);
 185         if (listOfFiles != null) {
 186             return (OCFileListFragment)listOfFiles;
 187         }
 188         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 189         return null;
 190     }
 191
 192
 193     /**
 194      * {@inheritDoc}
 195      *
 196      * Updates action bar and second fragment, if in dual pane mode.
 197      */
 198     @Override
 199     public void onBrowsedDownTo(OCFile directory) {
 200         setFile(directory);
 201         updateNavigationElementsInActionBar();
 202         // Sync Folder
 203         startSyncFolderOperation(directory, false);
 204
 205     }
 206
 207
 208     public void startSyncFolderOperation(OCFile folder, boolean ignoreETag) {
 209         long currentSyncTime = System.currentTimeMillis();
 210
 211         mSyncInProgress = true;
 212
 213         // perform folder synchronization
 214         RemoteOperation synchFolderOp = new RefreshFolderOperation( folder,
 215                                                                         currentSyncTime,
 216                                                                         false,
 217                                                                         getFileOperationsHelper().isSharedSupported(),
 218                                                                         ignoreETag,
 219                                                                         getStorageManager(),
 220                                                                         getAccount(),
 221                                                                         getApplicationContext()
 222                                                                       );
 223         synchFolderOp.execute(getAccount(), this, null, null);
 224
 225         mProgressBar.setIndeterminate(true);
 226
 227         setBackgroundText();
 228     }
 229
 230     @Override
 231     protected void onResume() {
 232         super.onResume();
 233         Log_OC.e(TAG, "onResume() start");
 234
 235         // refresh list of files
 236         refreshListOfFilesFragment();
 237
 238         // Listen for sync messages
 239         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 240         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 241         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 242         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 243         syncIntentFilter.addAction(RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 244         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 245         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 246
 247         Log_OC.d(TAG, "onResume() end");
 248     }
 249
 250     @Override
 251     protected void onPause() {
 252         Log_OC.e(TAG, "onPause() start");
 253         if (mSyncBroadcastReceiver != null) {
 254             unregisterReceiver(mSyncBroadcastReceiver);
 255             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 256             mSyncBroadcastReceiver = null;
 257         }
 258
 259         Log_OC.d(TAG, "onPause() end");
 260         super.onPause();
 261     }
 262
 263     @Override
 264     public boolean onCreateOptionsMenu(Menu menu) {
 265         MenuInflater inflater = getMenuInflater();
 266         inflater.inflate(R.menu.main_menu, menu);
 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(false);
 314         }
 315     }
 316
 317     public void browseToRoot() {
 318         OCFileListFragment listOfFiles = getListOfFilesFragment();
 319         if (listOfFiles != null) {  // should never be null, indeed
 320             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
 321             listOfFiles.listDirectory(root, false);
 322             setFile(listOfFiles.getCurrentFile());
 323             updateNavigationElementsInActionBar();
 324             startSyncFolderOperation(root, false);
 325         }
 326     }
 327
 328     @Override
 329     public void onBackPressed() {
 330         OCFileListFragment listOfFiles = getListOfFilesFragment();
 331         if (listOfFiles != null) {  // should never be null, indeed
 332             int levelsUp = listOfFiles.onBrowseUp();
 333             if (levelsUp == 0) {
 334                 finish();
 335                 return;
 336             }
 337             setFile(listOfFiles.getCurrentFile());
 338             updateNavigationElementsInActionBar();
 339         }
 340     }
 341
 342     protected void updateNavigationElementsInActionBar() {
 343         ActionBar actionBar = getSupportActionBar();
 344         OCFile currentDir = getCurrentFolder();
 345         boolean atRoot = (currentDir == null || currentDir.getParentId() == 0);
 346         actionBar.setDisplayHomeAsUpEnabled(!atRoot);
 347         actionBar.setHomeButtonEnabled(!atRoot);
 348         actionBar.setTitle(
 349             atRoot
 350                 ? getString(R.string.default_display_name_for_root_folder)
 351                 : currentDir.getFileName()
 352         );
 353     }
 354
 355     /**
 356      * Set per-view controllers
 357      */
 358     private void initControls(){
 359         mCancelBtn = (Button) findViewById(R.id.folder_picker_btn_cancel);
 360         mCancelBtn.setOnClickListener(this);
 361         mChooseBtn = (Button) findViewById(R.id.folder_picker_btn_choose);
 362         mChooseBtn.setOnClickListener(this);
 363     }
 364
 365     @Override
 366     public void onClick(View v) {
 367         if (v == mCancelBtn) {
 368             finish();
 369         } else if (v == mChooseBtn) {
 370             Intent i = getIntent();
 371             Parcelable targetFile = i.getParcelableExtra(FolderPickerActivity.EXTRA_FILE);
 372
 373             Intent data = new Intent();
 374             data.putExtra(EXTRA_FOLDER, getCurrentFolder());
 375             if (targetFile != null) {
 376                 data.putExtra(EXTRA_FILE, targetFile);
 377             }
 378             setResult(RESULT_OK, data);
 379             finish();
 380         }
 381     }
 382
 383
 384     @Override
 385     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 386         super.onRemoteOperationFinish(operation, result);
 387
 388         if (operation instanceof CreateFolderOperation) {
 389             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 390
 391         }
 392     }
 393
 394
 395     /**
 396      * Updates the view associated to the activity after the finish of an operation trying
 397      * to create a new folder.
 398      *
 399      * @param operation     Creation operation performed.
 400      * @param result        Result of the creation.
 401      */
 402     private void onCreateFolderOperationFinish(
 403             CreateFolderOperation operation, RemoteOperationResult result
 404             ) {
 405
 406         if (result.isSuccess()) {
 407             dismissLoadingDialog();
 408             refreshListOfFilesFragment();
 409         } else {
 410             dismissLoadingDialog();
 411             try {
 412                 Toast msg = Toast.makeText(FolderPickerActivity.this,
 413                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 414                         Toast.LENGTH_LONG);
 415                 msg.show();
 416
 417             } catch (NotFoundException e) {
 418                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 419             }
 420         }
 421     }
 422
 423
 424
 425     private class SyncBroadcastReceiver extends BroadcastReceiver {
 426
 427         /**
 428          * {@link BroadcastReceiver} to enable syncing feedback in UI
 429          */
 430         @Override
 431         public void onReceive(Context context, Intent intent) {
 432             try {
 433                 String event = intent.getAction();
 434                 Log_OC.d(TAG, "Received broadcast " + event);
 435                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 436                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 437                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.
 438                         getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 439                 boolean sameAccount = (getAccount() != null &&
 440                         accountName.equals(getAccount().name) && getStorageManager() != null);
 441
 442                 if (sameAccount) {
 443
 444                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 445                         mSyncInProgress = true;
 446
 447                     } else {
 448                         OCFile currentFile = (getFile() == null) ? null :
 449                             getStorageManager().getFileByPath(getFile().getRemotePath());
 450                         OCFile currentDir = (getCurrentFolder() == null) ? null :
 451                             getStorageManager().getFileByPath(getCurrentFolder().getRemotePath());
 452
 453                         if (currentDir == null) {
 454                             // current folder was removed from the server
 455                             Toast.makeText( FolderPickerActivity.this,
 456                                             String.format(
 457                                                     getString(R.string.sync_current_folder_was_removed),
 458                                                     getCurrentFolder().getFileName()),
 459                                             Toast.LENGTH_LONG)
 460                                 .show();
 461                             browseToRoot();
 462
 463                         } else {
 464                             if (currentFile == null && !getFile().isFolder()) {
 465                                 // currently selected file was removed in the server, and now we know it
 466                                 currentFile = currentDir;
 467                             }
 468
 469                             if (synchFolderRemotePath != null && currentDir.getRemotePath().
 470                                     equals(synchFolderRemotePath)) {
 471                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 472                                 if (fileListFragment != null) {
 473                                     fileListFragment.listDirectory(currentDir, false);
 474                                 }
 475                             }
 476                             setFile(currentFile);
 477                         }
 478
 479                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 480                                 !RefreshFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 481
 482                         if (RefreshFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 483                                     equals(event) &&
 484                                 /// TODO refactor and make common
 485                                 synchResult != null && !synchResult.isSuccess() &&
 486                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 487                                     synchResult.isIdPRedirection()                  ||
 488                                     (synchResult.isException() && synchResult.getException()
 489                                             instanceof AuthenticatorException))) {
 490
 491                             try {
 492                                 OwnCloudClient client;
 493                                 OwnCloudAccount ocAccount =
 494                                         new OwnCloudAccount(getAccount(), context);
 495                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 496                                         removeClientFor(ocAccount));
 497
 498                                 if (client != null) {
 499                                     OwnCloudCredentials cred = client.getCredentials();
 500                                     if (cred != null) {
 501                                         AccountManager am = AccountManager.get(context);
 502                                         if (cred.authTokenExpires()) {
 503                                             am.invalidateAuthToken(
 504                                                     getAccount().type,
 505                                                     cred.getAuthToken()
 506                                             );
 507                                         } else {
 508                                             am.clearPassword(getAccount());
 509                                         }
 510                                     }
 511                                 }
 512                                 requestCredentialsUpdate();
 513
 514                             } catch (AccountNotFoundException e) {
 515                                 Log_OC.e(TAG, "Account " + getAccount() + " was removed!", e);
 516                             }
 517
 518                         }
 519                     }
 520                     removeStickyBroadcast(intent);
 521                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 522
 523                     mProgressBar.setIndeterminate(mSyncInProgress);
 524
 525                     setBackgroundText();
 526                 }
 527
 528             } catch (RuntimeException e) {
 529                 // avoid app crashes after changing the serial id of RemoteOperationResult
 530                 // in owncloud library with broadcast notifications pending to process
 531                 removeStickyBroadcast(intent);
 532             }
 533         }
 534     }
 535
 536
 537
 538     /**
 539      * Shows the information of the {@link OCFile} received as a
 540      * parameter in the second fragment.
 541      *
 542      * @param file          {@link OCFile} whose details will be shown
 543      */
 544     @Override
 545     public void showDetails(OCFile file) {
 546
 547     }
 548
 549     /**
 550      * {@inheritDoc}
 551      */
 552     @Override
 553     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
 554
 555     }
 556
 557     @Override
 558     public void onRefresh() {
 559         refreshList(true);
 560     }
 561
 562     @Override
 563     public void onRefresh(boolean enforced) {
 564         refreshList(enforced);
 565     }
 566
 567     private void refreshList(boolean ignoreETag) {
 568         OCFileListFragment listOfFiles = getListOfFilesFragment();
 569         if (listOfFiles != null) {
 570             OCFile folder = listOfFiles.getCurrentFile();
 571             if (folder != null) {
 572                 startSyncFolderOperation(folder, ignoreETag);
 573             }
 574         }
 575     }
 576 }