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.app.AlertDialog;
  25 import android.app.ProgressDialog;
  26 import android.app.AlertDialog.Builder;
  27 import android.app.Dialog;
  28 import android.content.BroadcastReceiver;
  29 import android.content.ContentResolver;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.DialogInterface.OnClickListener;
  33 import android.content.Intent;
  34 import android.content.IntentFilter;
  35 import android.content.SharedPreferences;
  36 import android.content.pm.PackageInfo;
  37 import android.content.pm.PackageManager.NameNotFoundException;
  38 import android.content.res.Resources.NotFoundException;
  39 import android.database.Cursor;
  40 import android.net.Uri;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.preference.PreferenceManager;
  44 import android.provider.MediaStore;
  45 import android.support.v4.app.FragmentTransaction;
  46 import android.util.Log;
  47 import android.view.View;
  48 import android.view.ViewGroup;
  49 import android.widget.ArrayAdapter;
  50 import android.widget.EditText;
  51 import android.widget.TextView;
  52 import android.widget.Toast;
  53
  54 import com.actionbarsherlock.app.ActionBar;
  55 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  56 import com.actionbarsherlock.app.SherlockFragmentActivity;
  57 import com.actionbarsherlock.view.Menu;
  58 import com.actionbarsherlock.view.MenuInflater;
  59 import com.actionbarsherlock.view.MenuItem;
  60 import com.actionbarsherlock.view.Window;
  61 import com.owncloud.android.AccountUtils;
  62 import com.owncloud.android.authenticator.AccountAuthenticator;
  63 import com.owncloud.android.datamodel.DataStorageManager;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileUploader;
  68 import com.owncloud.android.network.OwnCloudClientUtils;
  69 import com.owncloud.android.syncadapter.FileSyncService;
  70 import com.owncloud.android.ui.fragment.FileDetailFragment;
  71 import com.owncloud.android.ui.fragment.OCFileListFragment;
  72
  73 import com.owncloud.android.R;
  74 import eu.alefzero.webdav.WebdavClient;
  75
  76 /**
  77  * Displays, what files the user has available in his ownCloud.
  78  *
  79  * @author Bartek Przybylski
  80  *
  81  */
  82
  83 public class FileDisplayActivity extends SherlockFragmentActivity implements
  84     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener {
  85
  86     private ArrayAdapter<String> mDirectories;
  87     private OCFile mCurrentDir;
  88
  89     private DataStorageManager mStorageManager;
  90     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  91     private UploadFinishReceiver mUploadFinishReceiver;
  92     private DownloadFinishReceiver mDownloadFinishReceiver;
  93
  94     private OCFileListFragment mFileList;
  95
  96     private boolean mDualPane;
  97
  98     private static final int DIALOG_SETUP_ACCOUNT = 0;
  99     private static final int DIALOG_CREATE_DIR = 1;
 100     private static final int DIALOG_ABOUT_APP = 2;
 101     public static final int DIALOG_SHORT_WAIT = 3;
 102     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 103
 104     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 105     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 106
 107     private static final String TAG = "FileDisplayActivity";
 108
 109     @Override
 110     public void onCreate(Bundle savedInstanceState) {
 111         Log.d(getClass().toString(), "onCreate() start");
 112         super.onCreate(savedInstanceState);
 113
 114         /// saved instance state: keep this always before initDataFromCurrentAccount()
 115         if(savedInstanceState != null) {
 116             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 117         }
 118
 119         if (!AccountUtils.accountsAreSetup(this)) {
 120             /// no account available: FORCE ACCOUNT CREATION
 121             mStorageManager = null;
 122             createFirstAccount();
 123
 124         } else {    /// at least an account is available
 125
 126             initDataFromCurrentAccount();
 127
 128         }
 129
 130         // PIN CODE request ;  best location is to decide, let's try this first
 131         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 132             requestPinCode();
 133         }
 134
 135         // file observer
 136         /*Intent observer_intent = new Intent(this, FileObserverService.class);
 137         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 138         startService(observer_intent);
 139         */
 140
 141         /// USER INTERFACE
 142         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 143
 144         // Drop-down navigation
 145         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 146         OCFile currFile = mCurrentDir;
 147         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 148             mDirectories.add(currFile.getFileName());
 149             currFile = mStorageManager.getFileById(currFile.getParentId());
 150         }
 151         mDirectories.add(OCFile.PATH_SEPARATOR);
 152
 153         // Inflate and set the layout view
 154         setContentView(R.layout.files);
 155         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 156         mDualPane = (findViewById(R.id.file_details_container) != null);
 157         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 158             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 159             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 160             transaction.commit();
 161         }
 162
 163         // Action bar setup
 164         ActionBar actionBar = getSupportActionBar();
 165         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 166         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 167         actionBar.setDisplayShowTitleEnabled(false);
 168         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 169         actionBar.setListNavigationCallbacks(mDirectories, this);
 170         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 171
 172         Log.d(getClass().toString(), "onCreate() end");
 173     }
 174
 175
 176     /**
 177      * Launches the account creation activity. To use when no ownCloud account is available
 178      */
 179     private void createFirstAccount() {
 180         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 181         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 182         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 183     }
 184
 185
 186     /**
 187      *  Load of state dependent of the existence of an ownCloud account
 188      */
 189     private void initDataFromCurrentAccount() {
 190         /// Storage manager initialization - access to local database
 191         mStorageManager = new FileDataStorageManager(
 192                 AccountUtils.getCurrentOwnCloudAccount(this),
 193                 getContentResolver());
 194
 195         /// State recovery - CURRENT DIRECTORY ; priority: 1/ getIntent(), 2/ savedInstanceState (in onCreate()), 3/ root dir
 196         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)) {
 197             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 198             if(mCurrentDir != null && !mCurrentDir.isDirectory()){
 199                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 200             }
 201             // clear intent extra, so rotating the screen will not return us to this directory
 202             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 203         }
 204         if (mCurrentDir == null)
 205             mCurrentDir = mStorageManager.getFileByPath("/");   // this will return NULL if the database has not ever synchronized
 206     }
 207
 208
 209     @Override
 210     public boolean onCreateOptionsMenu(Menu menu) {
 211         MenuInflater inflater = getSherlock().getMenuInflater();
 212             inflater.inflate(R.menu.menu, menu);
 213             return true;
 214     }
 215
 216     @Override
 217     public boolean onOptionsItemSelected(MenuItem item) {
 218         boolean retval = true;
 219         switch (item.getItemId()) {
 220             case R.id.createDirectoryItem: {
 221                 showDialog(DIALOG_CREATE_DIR);
 222                 break;
 223             }
 224             case R.id.startSync: {
 225                 ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 226                 Bundle bundle = new Bundle();
 227                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 228                 ContentResolver.requestSync(
 229                         AccountUtils.getCurrentOwnCloudAccount(this),
 230                         AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 231                 break;
 232             }
 233             case R.id.action_upload: {
 234                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 235                 break;
 236             }
 237             case R.id.action_settings: {
 238                 Intent settingsIntent = new Intent(this, Preferences.class);
 239                 startActivity(settingsIntent);
 240                 break;
 241             }
 242             case R.id.about_app : {
 243                 showDialog(DIALOG_ABOUT_APP);
 244                 break;
 245             }
 246             case android.R.id.home: {
 247                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 248                     onBackPressed();
 249                 }
 250                 break;
 251             }
 252             default:
 253                 retval = false;
 254         }
 255         return retval;
 256     }
 257
 258     @Override
 259     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 260         int i = itemPosition;
 261         while (i-- != 0) {
 262             onBackPressed();
 263         }
 264         // the next operation triggers a new call to this method, but it's necessary to
 265         // ensure that the name exposed in the action bar is the current directory when the
 266         // user selected it in the navigation list
 267         if (itemPosition != 0)
 268             getSupportActionBar().setSelectedNavigationItem(0);
 269         return true;
 270     }
 271
 272     /**
 273      * Called, when the user selected something for uploading
 274      */
 275     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 276
 277         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 278             requestSimpleUpload(data);
 279
 280         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 281             requestMultipleUpload(data);
 282
 283         }
 284     }
 285
 286     private void requestMultipleUpload(Intent data) {
 287         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 288         if (filePaths != null) {
 289             String[] remotePaths = new String[filePaths.length];
 290             String remotePathBase = "";
 291             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 292                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 293             }
 294             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 295                 remotePathBase += OCFile.PATH_SEPARATOR;
 296             for (int j = 0; j< remotePaths.length; j++) {
 297                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 298             }
 299
 300             Intent i = new Intent(this, FileUploader.class);
 301             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 302             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 303             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 304             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 305             startService(i);
 306
 307         } else {
 308             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 309             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 310             t.show();
 311             return;
 312         }
 313     }
 314
 315
 316     private void requestSimpleUpload(Intent data) {
 317         String filepath = null;
 318         try {
 319             Uri selectedImageUri = data.getData();
 320
 321             String filemanagerstring = selectedImageUri.getPath();
 322             String selectedImagePath = getPath(selectedImageUri);
 323
 324             if (selectedImagePath != null)
 325                 filepath = selectedImagePath;
 326             else
 327                 filepath = filemanagerstring;
 328
 329         } catch (Exception e) {
 330             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 331             e.printStackTrace();
 332
 333         } finally {
 334             if (filepath == null) {
 335                 Log.e("FileDisplay", "Couldnt resolve path to file");
 336                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 337                 t.show();
 338                 return;
 339             }
 340         }
 341
 342         Intent i = new Intent(this, FileUploader.class);
 343         i.putExtra(FileUploader.KEY_ACCOUNT,
 344                 AccountUtils.getCurrentOwnCloudAccount(this));
 345         String remotepath = new String();
 346         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 347             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 348         }
 349         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 350             remotepath += OCFile.PATH_SEPARATOR;
 351         remotepath += new File(filepath).getName();
 352
 353         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 354         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 355         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 356         startService(i);
 357     }
 358
 359
 360     @Override
 361     public void onBackPressed() {
 362         if (mDirectories.getCount() <= 1) {
 363             finish();
 364             return;
 365         }
 366         popDirname();
 367         mFileList.onNavigateUp();
 368         mCurrentDir = mFileList.getCurrentFile();
 369
 370         if (mDualPane) {
 371             // Resets the FileDetailsFragment on Tablets so that it always displays
 372             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 373             if (fileDetails != null && !fileDetails.isEmpty()) {
 374                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 375                 transaction.remove(fileDetails);
 376                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 377                 transaction.commit();
 378             }
 379         }
 380
 381         if(mCurrentDir.getParentId() == 0){
 382             ActionBar actionBar = getSupportActionBar();
 383             actionBar.setDisplayHomeAsUpEnabled(false);
 384         }
 385     }
 386
 387     @Override
 388     protected void onSaveInstanceState(Bundle outState) {
 389         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 390         Log.d(getClass().toString(), "onSaveInstanceState() start");
 391         super.onSaveInstanceState(outState);
 392         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 393         Log.d(getClass().toString(), "onSaveInstanceState() end");
 394     }
 395
 396     @Override
 397     protected void onResume() {
 398         Log.d(getClass().toString(), "onResume() start");
 399         super.onResume();
 400
 401         if (AccountUtils.accountsAreSetup(this)) {
 402
 403             if (mStorageManager == null) {
 404                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 405                 initDataFromCurrentAccount();
 406             }
 407
 408             // Listen for sync messages
 409             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 410             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 411             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 412
 413             // Listen for upload messages
 414             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 415             mUploadFinishReceiver = new UploadFinishReceiver();
 416             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 417
 418             // Listen for download messages
 419             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 420             mDownloadFinishReceiver = new DownloadFinishReceiver();
 421             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 422
 423             // List current directory
 424             //mFileList.listDirectory(mCurrentDir);
 425
 426         } else {
 427
 428             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 429             showDialog(DIALOG_SETUP_ACCOUNT);
 430
 431         }
 432         Log.d(getClass().toString(), "onResume() end");
 433     }
 434
 435     @Override
 436     protected void onPause() {
 437         Log.d(getClass().toString(), "onPause() start");
 438         super.onPause();
 439         if (mSyncBroadcastReceiver != null) {
 440             unregisterReceiver(mSyncBroadcastReceiver);
 441             mSyncBroadcastReceiver = null;
 442         }
 443         if (mUploadFinishReceiver != null) {
 444             unregisterReceiver(mUploadFinishReceiver);
 445             mUploadFinishReceiver = null;
 446         }
 447         if (mDownloadFinishReceiver != null) {
 448             unregisterReceiver(mDownloadFinishReceiver);
 449             mDownloadFinishReceiver = null;
 450         }
 451         if (!AccountUtils.accountsAreSetup(this)) {
 452             dismissDialog(DIALOG_SETUP_ACCOUNT);
 453         }
 454
 455         getIntent().putExtra(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 456         Log.d(getClass().toString(), "onPause() end");
 457     }
 458
 459     @Override
 460     protected Dialog onCreateDialog(int id) {
 461         Dialog dialog = null;
 462         AlertDialog.Builder builder;
 463         switch (id) {
 464         case DIALOG_SETUP_ACCOUNT: {
 465             builder = new AlertDialog.Builder(this);
 466             builder.setTitle(R.string.main_tit_accsetup);
 467             builder.setMessage(R.string.main_wrn_accsetup);
 468             builder.setCancelable(false);
 469             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 470                 public void onClick(DialogInterface dialog, int which) {
 471                     createFirstAccount();
 472                     dialog.dismiss();
 473                 }
 474             });
 475             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 476                 public void onClick(DialogInterface dialog, int which) {
 477                     dialog.dismiss();
 478                     finish();
 479                 }
 480             });
 481             //builder.setNegativeButton(android.R.string.cancel, this);
 482             dialog = builder.create();
 483             break;
 484         }
 485         case DIALOG_ABOUT_APP: {
 486             builder = new AlertDialog.Builder(this);
 487             builder.setTitle(getString(R.string.about_title));
 488             PackageInfo pkg;
 489             try {
 490                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 491                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 492                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 493                 dialog = builder.create();
 494             } catch (NameNotFoundException e) {
 495                 builder = null;
 496                 dialog = null;
 497                 Log.e(TAG, "Error while showing about dialog", e);
 498             }
 499             break;
 500         }
 501         case DIALOG_CREATE_DIR: {
 502             builder = new Builder(this);
 503             final EditText dirNameInput = new EditText(getBaseContext());
 504             builder.setView(dirNameInput);
 505             builder.setTitle(R.string.uploader_info_dirname);
 506             int typed_color = getResources().getColor(R.color.setup_text_typed);
 507             dirNameInput.setTextColor(typed_color);
 508             builder.setPositiveButton(android.R.string.ok,
 509                     new OnClickListener() {
 510                         public void onClick(DialogInterface dialog, int which) {
 511                             String directoryName = dirNameInput.getText().toString();
 512                             if (directoryName.trim().length() == 0) {
 513                                 dialog.cancel();
 514                                 return;
 515                             }
 516
 517                             // Figure out the path where the dir needs to be created
 518                             String path;
 519                             if (mCurrentDir == null) {
 520                                 // this is just a patch; we should ensure that mCurrentDir never is null
 521                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 522                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 523                                     mStorageManager.saveFile(file);
 524                                 }
 525                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 526                             }
 527                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 528
 529                             // Create directory
 530                             path += directoryName + OCFile.PATH_SEPARATOR;
 531                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 532                             thread.start();
 533
 534                             dialog.dismiss();
 535
 536                             showDialog(DIALOG_SHORT_WAIT);
 537                         }
 538                     });
 539             builder.setNegativeButton(R.string.common_cancel,
 540                     new OnClickListener() {
 541                         public void onClick(DialogInterface dialog, int which) {
 542                             dialog.cancel();
 543                         }
 544                     });
 545             dialog = builder.create();
 546             break;
 547         }
 548         case DIALOG_SHORT_WAIT: {
 549             ProgressDialog working_dialog = new ProgressDialog(this);
 550             working_dialog.setMessage(getResources().getString(
 551                     R.string.wait_a_moment));
 552             working_dialog.setIndeterminate(true);
 553             working_dialog.setCancelable(false);
 554             dialog = working_dialog;
 555             break;
 556         }
 557         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 558             final String [] items = {   getString(R.string.actionbar_upload_files),
 559                                         getString(R.string.actionbar_upload_from_apps) };
 560             builder = new AlertDialog.Builder(this);
 561             builder.setTitle(R.string.actionbar_upload);
 562             builder.setItems(items, new DialogInterface.OnClickListener() {
 563                 public void onClick(DialogInterface dialog, int item) {
 564                     if (item == 0) {
 565                         //if (!mDualPane) {
 566                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 567                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 568                         //} else {
 569                             // TODO create and handle new fragment LocalFileListFragment
 570                         //}
 571                     } else if (item == 1) {
 572                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 573                         action = action.setType("*/*")
 574                                 .addCategory(Intent.CATEGORY_OPENABLE);
 575                         startActivityForResult(
 576                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 577                                 ACTION_SELECT_CONTENT_FROM_APPS);
 578                     }
 579                 }
 580             });
 581             dialog = builder.create();
 582             break;
 583         }
 584         default:
 585             dialog = null;
 586         }
 587
 588         return dialog;
 589     }
 590
 591
 592     /**
 593      * Translates a content URI of an image to a physical path
 594      * on the disk
 595      * @param uri The URI to resolve
 596      * @return The path to the image or null if it could not be found
 597      */
 598     public String getPath(Uri uri) {
 599         String[] projection = { MediaStore.Images.Media.DATA };
 600         Cursor cursor = managedQuery(uri, projection, null, null, null);
 601         if (cursor != null) {
 602             int column_index = cursor
 603                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 604             cursor.moveToFirst();
 605             return cursor.getString(column_index);
 606         }
 607         return null;
 608     }
 609
 610     /**
 611      * Pushes a directory to the drop down list
 612      * @param directory to push
 613      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 614      */
 615     public void pushDirname(OCFile directory) {
 616         if(!directory.isDirectory()){
 617             throw new IllegalArgumentException("Only directories may be pushed!");
 618         }
 619         mDirectories.insert(directory.getFileName(), 0);
 620         mCurrentDir = directory;
 621     }
 622
 623     /**
 624      * Pops a directory name from the drop down list
 625      * @return True, unless the stack is empty
 626      */
 627     public boolean popDirname() {
 628         mDirectories.remove(mDirectories.getItem(0));
 629         return !mDirectories.isEmpty();
 630     }
 631
 632     private class DirectoryCreator implements Runnable {
 633         private String mTargetPath;
 634         private Account mAccount;
 635         private Handler mHandler;
 636
 637         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 638             mTargetPath = targetPath;
 639             mAccount = account;
 640             mHandler = handler;
 641         }
 642
 643         @Override
 644         public void run() {
 645             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 646             boolean created = wdc.createDirectory(mTargetPath);
 647             if (created) {
 648                 mHandler.post(new Runnable() {
 649                     @Override
 650                     public void run() {
 651                         dismissDialog(DIALOG_SHORT_WAIT);
 652
 653                         // Save new directory in local database
 654                         OCFile newDir = new OCFile(mTargetPath);
 655                         newDir.setMimetype("DIR");
 656                         newDir.setParentId(mCurrentDir.getFileId());
 657                         mStorageManager.saveFile(newDir);
 658
 659                         // Display the new folder right away
 660                         mFileList.listDirectory(mCurrentDir);
 661                     }
 662                 });
 663
 664             } else {
 665                 mHandler.post(new Runnable() {
 666                     @Override
 667                     public void run() {
 668                         dismissDialog(DIALOG_SHORT_WAIT);
 669                         try {
 670                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 671                             msg.show();
 672
 673                         } catch (NotFoundException e) {
 674                             Log.e(TAG, "Error while trying to show fail message " , e);
 675                         }
 676                     }
 677                 });
 678             }
 679         }
 680
 681     }
 682
 683     // Custom array adapter to override text colors
 684     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 685
 686         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 687             super(ctx, view);
 688         }
 689
 690         public View getView(int position, View convertView, ViewGroup parent) {
 691             View v = super.getView(position, convertView, parent);
 692
 693             ((TextView) v).setTextColor(getResources().getColorStateList(
 694                     android.R.color.white));
 695             return v;
 696         }
 697
 698         public View getDropDownView(int position, View convertView,
 699                 ViewGroup parent) {
 700             View v = super.getDropDownView(position, convertView, parent);
 701
 702             ((TextView) v).setTextColor(getResources().getColorStateList(
 703                     android.R.color.white));
 704
 705             return v;
 706         }
 707
 708     }
 709
 710     private class SyncBroadcastReceiver extends BroadcastReceiver {
 711         /**
 712          * {@link BroadcastReceiver} to enable syncing feedback in UI
 713          */
 714         @Override
 715         public void onReceive(Context context, Intent intent) {
 716             boolean inProgress = intent.getBooleanExtra(
 717                     FileSyncService.IN_PROGRESS, false);
 718             String accountName = intent
 719                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 720
 721             Log.d("FileDisplay", "sync of account " + accountName
 722                     + " is in_progress: " + inProgress);
 723
 724             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 725
 726                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 727
 728                 boolean fillBlankRoot = false;
 729                 if (mCurrentDir == null) {
 730                     mCurrentDir = mStorageManager.getFileByPath("/");
 731                     fillBlankRoot = (mCurrentDir != null);
 732                 }
 733
 734                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 735                         || fillBlankRoot ) {
 736                     if (!fillBlankRoot)
 737                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 738                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 739                             .findFragmentById(R.id.fileList);
 740                     if (fileListFragment != null) {
 741                         fileListFragment.listDirectory(mCurrentDir);
 742                     }
 743                 }
 744
 745                 setSupportProgressBarIndeterminateVisibility(inProgress);
 746
 747             }
 748         }
 749     }
 750
 751
 752     private class UploadFinishReceiver extends BroadcastReceiver {
 753         /**
 754          * Once the file upload has finished -> update view
 755          *  @author David A. Velasco
 756          * {@link BroadcastReceiver} to enable upload feedback in UI
 757          */
 758         @Override
 759         public void onReceive(Context context, Intent intent) {
 760             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 761             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 762             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 763
 764             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 765                     parentDir != null &&
 766                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 767                             parentDir.equals(mCurrentDir)
 768                     )
 769                 ) {
 770                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 771                 if (fileListFragment != null) {
 772                     fileListFragment.listDirectory();
 773                 }
 774             }
 775         }
 776
 777     }
 778
 779
 780     /**
 781      * Once the file download has finished -> update view
 782      */
 783     private class DownloadFinishReceiver extends BroadcastReceiver {
 784         @Override
 785         public void onReceive(Context context, Intent intent) {
 786             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 787             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 788
 789             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 790                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 791                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 792                 if (fileListFragment != null) {
 793                     fileListFragment.listDirectory();
 794                 }
 795             }
 796         }
 797     }
 798
 799
 800
 801
 802     /**
 803      * {@inheritDoc}
 804      */
 805     @Override
 806     public DataStorageManager getStorageManager() {
 807         return mStorageManager;
 808     }
 809
 810
 811     /**
 812      * {@inheritDoc}
 813      */
 814     @Override
 815     public void onDirectoryClick(OCFile directory) {
 816         pushDirname(directory);
 817         ActionBar actionBar = getSupportActionBar();
 818         actionBar.setDisplayHomeAsUpEnabled(true);
 819
 820         if (mDualPane) {
 821             // Resets the FileDetailsFragment on Tablets so that it always displays
 822             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 823             if (fileDetails != null && !fileDetails.isEmpty()) {
 824                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 825                 transaction.remove(fileDetails);
 826                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 827                 transaction.commit();
 828             }
 829         }
 830     }
 831
 832
 833     /**
 834      * {@inheritDoc}
 835      */
 836     @Override
 837     public void onFileClick(OCFile file) {
 838
 839         // If we are on a large device -> update fragment
 840         if (mDualPane) {
 841             // 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'
 842             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 843             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 844             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 845             transaction.commit();
 846
 847         } else {    // small or medium screen device -> new Activity
 848             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 849             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 850             showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 851             startActivity(showDetailsIntent);
 852         }
 853     }
 854
 855
 856     /**
 857      * {@inheritDoc}
 858      */
 859     @Override
 860     public OCFile getInitialDirectory() {
 861         return mCurrentDir;
 862     }
 863
 864
 865     /**
 866      * {@inheritDoc}
 867      */
 868     @Override
 869     public void onFileStateChanged() {
 870         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 871         if (fileListFragment != null) {
 872             fileListFragment.listDirectory();
 873         }
 874     }
 875
 876     /**
 877      * Launch an intent to request the PIN code to the user before letting him use the app
 878      */
 879     private void requestPinCode() {
 880         boolean pinStart = false;
 881         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 882         pinStart = appPrefs.getBoolean("set_pincode", false);
 883         if (pinStart) {
 884             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
 885             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
 886             startActivity(i);
 887         }
 888     }
 889
 890
 891 }