src/com/owncloud/android/ui/activity/FileDisplayActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.ProgressDialog;
  27 import android.app.AlertDialog.Builder;
  28 import android.app.Dialog;
  29 import android.content.BroadcastReceiver;
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.DialogInterface.OnClickListener;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.SharedPreferences;
  37 import android.content.pm.PackageInfo;
  38 import android.content.pm.PackageManager.NameNotFoundException;
  39 import android.content.res.Resources.NotFoundException;
  40 import android.database.Cursor;
  41 import android.net.Uri;
  42 import android.os.Bundle;
  43 import android.os.Environment;
  44 import android.os.Handler;
  45 import android.preference.PreferenceManager;
  46 import android.provider.MediaStore;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.util.Log;
  49 import android.view.View;
  50 import android.view.ViewGroup;
  51 import android.widget.ArrayAdapter;
  52 import android.widget.EditText;
  53 import android.widget.TextView;
  54 import android.widget.Toast;
  55
  56 import com.actionbarsherlock.app.ActionBar;
  57 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  58 import com.actionbarsherlock.app.SherlockFragmentActivity;
  59 import com.actionbarsherlock.view.Menu;
  60 import com.actionbarsherlock.view.MenuInflater;
  61 import com.actionbarsherlock.view.MenuItem;
  62 import com.actionbarsherlock.view.Window;
  63 import com.owncloud.android.AccountUtils;
  64 import com.owncloud.android.authenticator.AccountAuthenticator;
  65 import com.owncloud.android.datamodel.DataStorageManager;
  66 import com.owncloud.android.datamodel.FileDataStorageManager;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  69 import com.owncloud.android.files.OwnCloudFileObserver;
  70 import com.owncloud.android.files.services.FileDownloader;
  71 import com.owncloud.android.files.services.FileObserverService;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.network.OwnCloudClientUtils;
  74 import com.owncloud.android.syncadapter.FileSyncService;
  75 import com.owncloud.android.ui.fragment.FileDetailFragment;
  76 import com.owncloud.android.ui.fragment.OCFileListFragment;
  77
  78 import com.owncloud.android.R;
  79 import eu.alefzero.webdav.WebdavClient;
  80
  81 /**
  82  * Displays, what files the user has available in his ownCloud.
  83  *
  84  * @author Bartek Przybylski
  85  *
  86  */
  87
  88 public class FileDisplayActivity extends SherlockFragmentActivity implements
  89     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener {
  90
  91     private ArrayAdapter<String> mDirectories;
  92     private OCFile mCurrentDir;
  93
  94     private DataStorageManager mStorageManager;
  95     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  96     private UploadFinishReceiver mUploadFinishReceiver;
  97     private DownloadFinishReceiver mDownloadFinishReceiver;
  98
  99     private OCFileListFragment mFileList;
 100
 101     private boolean mDualPane;
 102
 103     private static final int DIALOG_SETUP_ACCOUNT = 0;
 104     private static final int DIALOG_CREATE_DIR = 1;
 105     private static final int DIALOG_ABOUT_APP = 2;
 106     public static final int DIALOG_SHORT_WAIT = 3;
 107     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 108
 109     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 110     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 111
 112     private static final String TAG = "FileDisplayActivity";
 113
 114     @Override
 115     public void onCreate(Bundle savedInstanceState) {
 116         Log.d(getClass().toString(), "onCreate() start");
 117         super.onCreate(savedInstanceState);
 118
 119         /// saved instance state: keep this always before initDataFromCurrentAccount()
 120         if(savedInstanceState != null) {
 121             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 122         }
 123
 124         if (!AccountUtils.accountsAreSetup(this)) {
 125             /// no account available: FORCE ACCOUNT CREATION
 126             mStorageManager = null;
 127             createFirstAccount();
 128
 129         } else {    /// at least an account is available
 130
 131             initDataFromCurrentAccount();
 132
 133         }
 134
 135         // PIN CODE request ;  best location is to decide, let's try this first
 136         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 137             requestPinCode();
 138         }
 139
 140         // file observer
 141         /*Intent observer_intent = new Intent(this, FileObserverService.class);
 142         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 143         startService(observer_intent);
 144         */
 145
 146         /// USER INTERFACE
 147         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 148
 149         // Drop-down navigation
 150         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 151         OCFile currFile = mCurrentDir;
 152         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 153             mDirectories.add(currFile.getFileName());
 154             currFile = mStorageManager.getFileById(currFile.getParentId());
 155         }
 156         mDirectories.add(OCFile.PATH_SEPARATOR);
 157
 158         // Inflate and set the layout view
 159         setContentView(R.layout.files);
 160         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 161         mDualPane = (findViewById(R.id.file_details_container) != null);
 162         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 163             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 164             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 165             transaction.commit();
 166         }
 167
 168         // Action bar setup
 169         ActionBar actionBar = getSupportActionBar();
 170         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 171         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 172         actionBar.setDisplayShowTitleEnabled(false);
 173         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 174         actionBar.setListNavigationCallbacks(mDirectories, this);
 175         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 176
 177         Log.d(getClass().toString(), "onCreate() end");
 178     }
 179
 180
 181     /**
 182      * Launches the account creation activity. To use when no ownCloud account is available
 183      */
 184     private void createFirstAccount() {
 185         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 186         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 187         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 188     }
 189
 190
 191     /**
 192      *  Load of state dependent of the existence of an ownCloud account
 193      */
 194     private void initDataFromCurrentAccount() {
 195         /// Storage manager initialization - access to local database
 196         mStorageManager = new FileDataStorageManager(
 197                 AccountUtils.getCurrentOwnCloudAccount(this),
 198                 getContentResolver());
 199
 200         /// State recovery - CURRENT DIRECTORY ; priority: 1/ getIntent(), 2/ savedInstanceState (in onCreate()), 3/ root dir
 201         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)) {
 202             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 203             if(mCurrentDir != null && !mCurrentDir.isDirectory()){
 204                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 205             }
 206             // clear intent extra, so rotating the screen will not return us to this directory
 207             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 208         }
 209         if (mCurrentDir == null)
 210             mCurrentDir = mStorageManager.getFileByPath("/");   // this will return NULL if the database has not ever synchronized
 211     }
 212
 213
 214     @Override
 215     public boolean onCreateOptionsMenu(Menu menu) {
 216         MenuInflater inflater = getSherlock().getMenuInflater();
 217             inflater.inflate(R.menu.menu, menu);
 218             return true;
 219     }
 220
 221     @Override
 222     public boolean onOptionsItemSelected(MenuItem item) {
 223         boolean retval = true;
 224         switch (item.getItemId()) {
 225             case R.id.createDirectoryItem: {
 226                 showDialog(DIALOG_CREATE_DIR);
 227                 break;
 228             }
 229             case R.id.startSync: {
 230                 ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 231                 Bundle bundle = new Bundle();
 232                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 233                 ContentResolver.requestSync(
 234                         AccountUtils.getCurrentOwnCloudAccount(this),
 235                         AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 236                 break;
 237             }
 238             case R.id.action_upload: {
 239                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 240                 break;
 241             }
 242             case R.id.action_settings: {
 243                 Intent settingsIntent = new Intent(this, Preferences.class);
 244                 startActivity(settingsIntent);
 245                 break;
 246             }
 247             case R.id.about_app : {
 248                 showDialog(DIALOG_ABOUT_APP);
 249                 break;
 250             }
 251             case android.R.id.home: {
 252                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 253                     onBackPressed();
 254                 }
 255                 break;
 256             }
 257             default:
 258                 retval = false;
 259         }
 260         return retval;
 261     }
 262
 263     @Override
 264     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 265         int i = itemPosition;
 266         while (i-- != 0) {
 267             onBackPressed();
 268         }
 269         // the next operation triggers a new call to this method, but it's necessary to
 270         // ensure that the name exposed in the action bar is the current directory when the
 271         // user selected it in the navigation list
 272         if (itemPosition != 0)
 273             getSupportActionBar().setSelectedNavigationItem(0);
 274         return true;
 275     }
 276
 277     /**
 278      * Called, when the user selected something for uploading
 279      */
 280     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 281
 282         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 283             requestSimpleUpload(data);
 284
 285         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 286             requestMultipleUpload(data);
 287
 288         }
 289     }
 290
 291     private void requestMultipleUpload(Intent data) {
 292         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 293         if (filePaths != null) {
 294             String[] remotePaths = new String[filePaths.length];
 295             String remotePathBase = "";
 296             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 297                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 298             }
 299             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 300                 remotePathBase += OCFile.PATH_SEPARATOR;
 301             for (int j = 0; j< remotePaths.length; j++) {
 302                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 303             }
 304
 305             Intent i = new Intent(this, FileUploader.class);
 306             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 307             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 308             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 309             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 310             startService(i);
 311
 312         } else {
 313             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 314             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 315             t.show();
 316             return;
 317         }
 318     }
 319
 320
 321     private void requestSimpleUpload(Intent data) {
 322         String filepath = null;
 323         try {
 324             Uri selectedImageUri = data.getData();
 325
 326             String filemanagerstring = selectedImageUri.getPath();
 327             String selectedImagePath = getPath(selectedImageUri);
 328
 329             if (selectedImagePath != null)
 330                 filepath = selectedImagePath;
 331             else
 332                 filepath = filemanagerstring;
 333
 334         } catch (Exception e) {
 335             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 336             e.printStackTrace();
 337
 338         } finally {
 339             if (filepath == null) {
 340                 Log.e("FileDisplay", "Couldnt resolve path to file");
 341                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 342                 t.show();
 343                 return;
 344             }
 345         }
 346
 347         Intent i = new Intent(this, FileUploader.class);
 348         i.putExtra(FileUploader.KEY_ACCOUNT,
 349                 AccountUtils.getCurrentOwnCloudAccount(this));
 350         String remotepath = new String();
 351         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 352             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 353         }
 354         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 355             remotepath += OCFile.PATH_SEPARATOR;
 356         remotepath += new File(filepath).getName();
 357
 358         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 359         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 360         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 361         startService(i);
 362     }
 363
 364
 365     @Override
 366     public void onBackPressed() {
 367         if (mDirectories.getCount() <= 1) {
 368             finish();
 369             return;
 370         }
 371         popDirname();
 372         mFileList.onNavigateUp();
 373         mCurrentDir = mFileList.getCurrentFile();
 374
 375         if (mDualPane) {
 376             // Resets the FileDetailsFragment on Tablets so that it always displays
 377             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 378             if (fileDetails != null && !fileDetails.isEmpty()) {
 379                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 380                 transaction.remove(fileDetails);
 381                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 382                 transaction.commit();
 383             }
 384         }
 385
 386         if(mCurrentDir.getParentId() == 0){
 387             ActionBar actionBar = getSupportActionBar();
 388             actionBar.setDisplayHomeAsUpEnabled(false);
 389         }
 390     }
 391
 392     @Override
 393     protected void onSaveInstanceState(Bundle outState) {
 394         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 395         Log.d(getClass().toString(), "onSaveInstanceState() start");
 396         super.onSaveInstanceState(outState);
 397         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 398         Log.d(getClass().toString(), "onSaveInstanceState() end");
 399     }
 400
 401     @Override
 402     protected void onResume() {
 403         Log.d(getClass().toString(), "onResume() start");
 404         super.onResume();
 405
 406         if (AccountUtils.accountsAreSetup(this)) {
 407
 408             if (mStorageManager == null) {
 409                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 410                 initDataFromCurrentAccount();
 411             }
 412
 413             // Listen for sync messages
 414             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 415             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 416             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 417
 418             // Listen for upload messages
 419             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 420             mUploadFinishReceiver = new UploadFinishReceiver();
 421             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 422
 423             // Listen for download messages
 424             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 425             mDownloadFinishReceiver = new DownloadFinishReceiver();
 426             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 427
 428             // List current directory
 429             mFileList.listDirectory(mCurrentDir);
 430
 431         } else {
 432
 433             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 434             showDialog(DIALOG_SETUP_ACCOUNT);
 435
 436         }
 437         Log.d(getClass().toString(), "onResume() end");
 438     }
 439
 440     @Override
 441     protected void onPause() {
 442         Log.d(getClass().toString(), "onPause() start");
 443         super.onPause();
 444         if (mSyncBroadcastReceiver != null) {
 445             unregisterReceiver(mSyncBroadcastReceiver);
 446             mSyncBroadcastReceiver = null;
 447         }
 448         if (mUploadFinishReceiver != null) {
 449             unregisterReceiver(mUploadFinishReceiver);
 450             mUploadFinishReceiver = null;
 451         }
 452         if (mDownloadFinishReceiver != null) {
 453             unregisterReceiver(mDownloadFinishReceiver);
 454             mDownloadFinishReceiver = null;
 455         }
 456         if (!AccountUtils.accountsAreSetup(this)) {
 457             dismissDialog(DIALOG_SETUP_ACCOUNT);
 458         }
 459
 460         getIntent().putExtra(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 461         Log.d(getClass().toString(), "onPause() end");
 462     }
 463
 464     @Override
 465     protected Dialog onCreateDialog(int id) {
 466         Dialog dialog = null;
 467         AlertDialog.Builder builder;
 468         switch (id) {
 469         case DIALOG_SETUP_ACCOUNT: {
 470             builder = new AlertDialog.Builder(this);
 471             builder.setTitle(R.string.main_tit_accsetup);
 472             builder.setMessage(R.string.main_wrn_accsetup);
 473             builder.setCancelable(false);
 474             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 475                 public void onClick(DialogInterface dialog, int which) {
 476                     createFirstAccount();
 477                     dialog.dismiss();
 478                 }
 479             });
 480             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 481                 public void onClick(DialogInterface dialog, int which) {
 482                     dialog.dismiss();
 483                     finish();
 484                 }
 485             });
 486             //builder.setNegativeButton(android.R.string.cancel, this);
 487             dialog = builder.create();
 488             break;
 489         }
 490         case DIALOG_ABOUT_APP: {
 491             builder = new AlertDialog.Builder(this);
 492             builder.setTitle(getString(R.string.about_title));
 493             PackageInfo pkg;
 494             try {
 495                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 496                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 497                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 498                 dialog = builder.create();
 499             } catch (NameNotFoundException e) {
 500                 builder = null;
 501                 dialog = null;
 502                 Log.e(TAG, "Error while showing about dialog", e);
 503             }
 504             break;
 505         }
 506         case DIALOG_CREATE_DIR: {
 507             builder = new Builder(this);
 508             final EditText dirNameInput = new EditText(getBaseContext());
 509             builder.setView(dirNameInput);
 510             builder.setTitle(R.string.uploader_info_dirname);
 511             int typed_color = getResources().getColor(R.color.setup_text_typed);
 512             dirNameInput.setTextColor(typed_color);
 513             builder.setPositiveButton(android.R.string.ok,
 514                     new OnClickListener() {
 515                         public void onClick(DialogInterface dialog, int which) {
 516                             String directoryName = dirNameInput.getText().toString();
 517                             if (directoryName.trim().length() == 0) {
 518                                 dialog.cancel();
 519                                 return;
 520                             }
 521
 522                             // Figure out the path where the dir needs to be created
 523                             String path;
 524                             if (mCurrentDir == null) {
 525                                 // this is just a patch; we should ensure that mCurrentDir never is null
 526                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 527                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 528                                     mStorageManager.saveFile(file);
 529                                 }
 530                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 531                             }
 532                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 533
 534                             // Create directory
 535                             path += directoryName + OCFile.PATH_SEPARATOR;
 536                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 537                             thread.start();
 538
 539                             dialog.dismiss();
 540
 541                             showDialog(DIALOG_SHORT_WAIT);
 542                         }
 543                     });
 544             builder.setNegativeButton(R.string.common_cancel,
 545                     new OnClickListener() {
 546                         public void onClick(DialogInterface dialog, int which) {
 547                             dialog.cancel();
 548                         }
 549                     });
 550             dialog = builder.create();
 551             break;
 552         }
 553         case DIALOG_SHORT_WAIT: {
 554             ProgressDialog working_dialog = new ProgressDialog(this);
 555             working_dialog.setMessage(getResources().getString(
 556                     R.string.wait_a_moment));
 557             working_dialog.setIndeterminate(true);
 558             working_dialog.setCancelable(false);
 559             dialog = working_dialog;
 560             break;
 561         }
 562         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 563             final String [] items = {   getString(R.string.actionbar_upload_files),
 564                                         getString(R.string.actionbar_upload_from_apps) };
 565             builder = new AlertDialog.Builder(this);
 566             builder.setTitle(R.string.actionbar_upload);
 567             builder.setItems(items, new DialogInterface.OnClickListener() {
 568                 public void onClick(DialogInterface dialog, int item) {
 569                     if (item == 0) {
 570                         //if (!mDualPane) {
 571                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 572                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 573                         //} else {
 574                             // TODO create and handle new fragment LocalFileListFragment
 575                         //}
 576                     } else if (item == 1) {
 577                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 578                         action = action.setType("*/*")
 579                                 .addCategory(Intent.CATEGORY_OPENABLE);
 580                         startActivityForResult(
 581                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 582                                 ACTION_SELECT_CONTENT_FROM_APPS);
 583                     }
 584                 }
 585             });
 586             dialog = builder.create();
 587             break;
 588         }
 589         default:
 590             dialog = null;
 591         }
 592
 593         return dialog;
 594     }
 595
 596
 597     /**
 598      * Translates a content URI of an image to a physical path
 599      * on the disk
 600      * @param uri The URI to resolve
 601      * @return The path to the image or null if it could not be found
 602      */
 603     public String getPath(Uri uri) {
 604         String[] projection = { MediaStore.Images.Media.DATA };
 605         Cursor cursor = managedQuery(uri, projection, null, null, null);
 606         if (cursor != null) {
 607             int column_index = cursor
 608                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 609             cursor.moveToFirst();
 610             return cursor.getString(column_index);
 611         }
 612         return null;
 613     }
 614
 615     /**
 616      * Pushes a directory to the drop down list
 617      * @param directory to push
 618      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 619      */
 620     public void pushDirname(OCFile directory) {
 621         if(!directory.isDirectory()){
 622             throw new IllegalArgumentException("Only directories may be pushed!");
 623         }
 624         mDirectories.insert(directory.getFileName(), 0);
 625         mCurrentDir = directory;
 626     }
 627
 628     /**
 629      * Pops a directory name from the drop down list
 630      * @return True, unless the stack is empty
 631      */
 632     public boolean popDirname() {
 633         mDirectories.remove(mDirectories.getItem(0));
 634         return !mDirectories.isEmpty();
 635     }
 636
 637     private class DirectoryCreator implements Runnable {
 638         private String mTargetPath;
 639         private Account mAccount;
 640         private AccountManager mAm;
 641         private Handler mHandler;
 642
 643         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 644             mTargetPath = targetPath;
 645             mAccount = account;
 646             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 647             mHandler = handler;
 648         }
 649
 650         @Override
 651         public void run() {
 652             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 653             boolean created = wdc.createDirectory(mTargetPath);
 654             if (created) {
 655                 mHandler.post(new Runnable() {
 656                     @Override
 657                     public void run() {
 658                         dismissDialog(DIALOG_SHORT_WAIT);
 659
 660                         // Save new directory in local database
 661                         OCFile newDir = new OCFile(mTargetPath);
 662                         newDir.setMimetype("DIR");
 663                         newDir.setParentId(mCurrentDir.getFileId());
 664                         mStorageManager.saveFile(newDir);
 665
 666                         // Display the new folder right away
 667                         mFileList.listDirectory(mCurrentDir);
 668                     }
 669                 });
 670
 671             } else {
 672                 mHandler.post(new Runnable() {
 673                     @Override
 674                     public void run() {
 675                         dismissDialog(DIALOG_SHORT_WAIT);
 676                         try {
 677                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 678                             msg.show();
 679
 680                         } catch (NotFoundException e) {
 681                             Log.e(TAG, "Error while trying to show fail message " , e);
 682                         }
 683                     }
 684                 });
 685             }
 686         }
 687
 688     }
 689
 690     // Custom array adapter to override text colors
 691     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 692
 693         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 694             super(ctx, view);
 695         }
 696
 697         public View getView(int position, View convertView, ViewGroup parent) {
 698             View v = super.getView(position, convertView, parent);
 699
 700             ((TextView) v).setTextColor(getResources().getColorStateList(
 701                     android.R.color.white));
 702             return v;
 703         }
 704
 705         public View getDropDownView(int position, View convertView,
 706                 ViewGroup parent) {
 707             View v = super.getDropDownView(position, convertView, parent);
 708
 709             ((TextView) v).setTextColor(getResources().getColorStateList(
 710                     android.R.color.white));
 711
 712             return v;
 713         }
 714
 715     }
 716
 717     private class SyncBroadcastReceiver extends BroadcastReceiver {
 718         /**
 719          * {@link BroadcastReceiver} to enable syncing feedback in UI
 720          */
 721         @Override
 722         public void onReceive(Context context, Intent intent) {
 723             boolean inProgress = intent.getBooleanExtra(
 724                     FileSyncService.IN_PROGRESS, false);
 725             String accountName = intent
 726                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 727
 728             Log.d("FileDisplay", "sync of account " + accountName
 729                     + " is in_progress: " + inProgress);
 730
 731             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 732
 733                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 734
 735                 boolean fillBlankRoot = false;
 736                 if (mCurrentDir == null) {
 737                     mCurrentDir = mStorageManager.getFileByPath("/");
 738                     fillBlankRoot = (mCurrentDir != null);
 739                 }
 740
 741                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 742                         || fillBlankRoot ) {
 743                     if (!fillBlankRoot)
 744                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 745                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 746                             .findFragmentById(R.id.fileList);
 747                     if (fileListFragment != null) {
 748                         fileListFragment.listDirectory(mCurrentDir);
 749                     }
 750                 }
 751
 752                 setSupportProgressBarIndeterminateVisibility(inProgress);
 753
 754             }
 755         }
 756     }
 757
 758
 759     private class UploadFinishReceiver extends BroadcastReceiver {
 760         /**
 761          * Once the file upload has finished -> update view
 762          *  @author David A. Velasco
 763          * {@link BroadcastReceiver} to enable upload feedback in UI
 764          */
 765         @Override
 766         public void onReceive(Context context, Intent intent) {
 767             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 768             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 769             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 770
 771             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 772                     parentDir != null &&
 773                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 774                             parentDir.equals(mCurrentDir)
 775                     )
 776                 ) {
 777                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 778                 if (fileListFragment != null) {
 779                     fileListFragment.listDirectory();
 780                 }
 781             }
 782         }
 783
 784     }
 785
 786
 787     /**
 788      * Once the file download has finished -> update view
 789      */
 790     private class DownloadFinishReceiver extends BroadcastReceiver {
 791         @Override
 792         public void onReceive(Context context, Intent intent) {
 793             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 794             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 795
 796             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 797                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 798                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 799                 if (fileListFragment != null) {
 800                     fileListFragment.listDirectory();
 801                 }
 802             }
 803         }
 804     }
 805
 806
 807
 808
 809     /**
 810      * {@inheritDoc}
 811      */
 812     @Override
 813     public DataStorageManager getStorageManager() {
 814         return mStorageManager;
 815     }
 816
 817
 818     /**
 819      * {@inheritDoc}
 820      */
 821     @Override
 822     public void onDirectoryClick(OCFile directory) {
 823         pushDirname(directory);
 824         ActionBar actionBar = getSupportActionBar();
 825         actionBar.setDisplayHomeAsUpEnabled(true);
 826
 827         if (mDualPane) {
 828             // Resets the FileDetailsFragment on Tablets so that it always displays
 829             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 830             if (fileDetails != null && !fileDetails.isEmpty()) {
 831                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 832                 transaction.remove(fileDetails);
 833                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 834                 transaction.commit();
 835             }
 836         }
 837     }
 838
 839
 840     /**
 841      * {@inheritDoc}
 842      */
 843     @Override
 844     public void onFileClick(OCFile file) {
 845
 846         // If we are on a large device -> update fragment
 847         if (mDualPane) {
 848             // buttons in the details view are problematic when trying to reuse an existing fragment; create always a new one solves some of them, BUT no all; downloads are 'dangerous'
 849             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 850             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 851             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 852             transaction.commit();
 853
 854         } else {    // small or medium screen device -> new Activity
 855             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 856             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 857             showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 858             startActivity(showDetailsIntent);
 859         }
 860     }
 861
 862
 863     /**
 864      * {@inheritDoc}
 865      */
 866     @Override
 867     public void onFileStateChanged() {
 868         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 869         if (fileListFragment != null) {
 870             fileListFragment.listDirectory();
 871         }
 872     }
 873
 874     /**
 875      * Launch an intent to request the PIN code to the user before letting him use the app
 876      */
 877     private void requestPinCode() {
 878         boolean pinStart = false;
 879         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 880         pinStart = appPrefs.getBoolean("set_pincode", false);
 881         if (pinStart) {
 882             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
 883             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
 884             startActivity(i);
 885         }
 886     }
 887
 888
 889 }