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