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