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.network.OwnCloudClientUtils;
  75 import com.owncloud.android.syncadapter.FileSyncService;
  76 import com.owncloud.android.ui.fragment.FileDetailFragment;
  77 import com.owncloud.android.ui.fragment.OCFileListFragment;
  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
 149         /// USER INTERFACE
 150         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 151
 152         // Drop-down navigation
 153         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 154         OCFile currFile = mCurrentDir;
 155         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 156             mDirectories.add(currFile.getFileName());
 157             currFile = mStorageManager.getFileById(currFile.getParentId());
 158         }
 159         mDirectories.add(OCFile.PATH_SEPARATOR);
 160
 161         // Inflate and set the layout view
 162         setContentView(R.layout.files);
 163         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 164         mDualPane = (findViewById(R.id.file_details_container) != null);
 165         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 166             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 167             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 168             transaction.commit();
 169         }
 170
 171         // Action bar setup
 172         ActionBar actionBar = getSupportActionBar();
 173         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 174         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 175         actionBar.setDisplayShowTitleEnabled(false);
 176         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 177         actionBar.setListNavigationCallbacks(mDirectories, this);
 178         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 179
 180         Log.d(getClass().toString(), "onCreate() end");
 181     }
 182
 183
 184     /**
 185      * Launches the account creation activity. To use when no ownCloud account is available
 186      */
 187     private void createFirstAccount() {
 188         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 189         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 190         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 191     }
 192
 193
 194     /**
 195      *  Load of state dependent of the existence of an ownCloud account
 196      */
 197     private void initDataFromCurrentAccount() {
 198         /// Storage manager initialization - access to local database
 199         mStorageManager = new FileDataStorageManager(
 200                 AccountUtils.getCurrentOwnCloudAccount(this),
 201                 getContentResolver());
 202
 203         /// State recovery - CURRENT DIRECTORY ; priority: 1/ getIntent(), 2/ savedInstanceState (in onCreate()), 3/ root dir
 204         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)) {
 205             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 206             if(mCurrentDir != null && !mCurrentDir.isDirectory()){
 207                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 208             }
 209             // clear intent extra, so rotating the screen will not return us to this directory
 210             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 211         }
 212         if (mCurrentDir == null)
 213             mCurrentDir = mStorageManager.getFileByPath("/");   // this will return NULL if the database has not ever synchronized
 214     }
 215
 216
 217     @Override
 218     public boolean onCreateOptionsMenu(Menu menu) {
 219         MenuInflater inflater = getSherlock().getMenuInflater();
 220             inflater.inflate(R.menu.menu, menu);
 221             return true;
 222     }
 223
 224     @Override
 225     public boolean onOptionsItemSelected(MenuItem item) {
 226         boolean retval = true;
 227         switch (item.getItemId()) {
 228             case R.id.createDirectoryItem: {
 229                 showDialog(DIALOG_CREATE_DIR);
 230                 break;
 231             }
 232             case R.id.startSync: {
 233                 ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 234                 Bundle bundle = new Bundle();
 235                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 236                 ContentResolver.requestSync(
 237                         AccountUtils.getCurrentOwnCloudAccount(this),
 238                         AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 239                 break;
 240             }
 241             case R.id.action_upload: {
 242                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 243                 break;
 244             }
 245             case R.id.action_settings: {
 246                 Intent settingsIntent = new Intent(this, Preferences.class);
 247                 startActivity(settingsIntent);
 248                 break;
 249             }
 250             case R.id.about_app : {
 251                 showDialog(DIALOG_ABOUT_APP);
 252                 break;
 253             }
 254             case android.R.id.home: {
 255                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 256                     onBackPressed();
 257                 }
 258                 break;
 259             }
 260             default:
 261                 retval = false;
 262         }
 263         return retval;
 264     }
 265
 266     @Override
 267     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 268         int i = itemPosition;
 269         while (i-- != 0) {
 270             onBackPressed();
 271         }
 272         // the next operation triggers a new call to this method, but it's necessary to
 273         // ensure that the name exposed in the action bar is the current directory when the
 274         // user selected it in the navigation list
 275         if (itemPosition != 0)
 276             getSupportActionBar().setSelectedNavigationItem(0);
 277         return true;
 278     }
 279
 280     /**
 281      * Called, when the user selected something for uploading
 282      */
 283     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 284
 285         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 286             requestSimpleUpload(data);
 287
 288         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 289             requestMultipleUpload(data);
 290
 291         }
 292     }
 293
 294     private void requestMultipleUpload(Intent data) {
 295         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 296         if (filePaths != null) {
 297             String[] remotePaths = new String[filePaths.length];
 298             String remotePathBase = "";
 299             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 300                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 301             }
 302             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 303                 remotePathBase += OCFile.PATH_SEPARATOR;
 304             for (int j = 0; j< remotePaths.length; j++) {
 305                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 306             }
 307
 308             Intent i = new Intent(this, FileUploader.class);
 309             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 310             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 311             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 312             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 313             startService(i);
 314
 315         } else {
 316             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 317             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 318             t.show();
 319             return;
 320         }
 321     }
 322
 323
 324     private void requestSimpleUpload(Intent data) {
 325         String filepath = null;
 326         try {
 327             Uri selectedImageUri = data.getData();
 328
 329             String filemanagerstring = selectedImageUri.getPath();
 330             String selectedImagePath = getPath(selectedImageUri);
 331
 332             if (selectedImagePath != null)
 333                 filepath = selectedImagePath;
 334             else
 335                 filepath = filemanagerstring;
 336
 337         } catch (Exception e) {
 338             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 339             e.printStackTrace();
 340
 341         } finally {
 342             if (filepath == null) {
 343                 Log.e("FileDisplay", "Couldnt resolve path to file");
 344                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 345                 t.show();
 346                 return;
 347             }
 348         }
 349
 350         Intent i = new Intent(this, FileUploader.class);
 351         i.putExtra(FileUploader.KEY_ACCOUNT,
 352                 AccountUtils.getCurrentOwnCloudAccount(this));
 353         String remotepath = new String();
 354         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 355             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 356         }
 357         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 358             remotepath += OCFile.PATH_SEPARATOR;
 359         remotepath += new File(filepath).getName();
 360
 361         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 362         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 363         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 364         startService(i);
 365     }
 366
 367
 368     @Override
 369     public void onBackPressed() {
 370         if (mDirectories.getCount() <= 1) {
 371             finish();
 372             return;
 373         }
 374         popDirname();
 375         mFileList.onNavigateUp();
 376         mCurrentDir = mFileList.getCurrentFile();
 377
 378         if (mDualPane) {
 379             // Resets the FileDetailsFragment on Tablets so that it always displays
 380             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 381             if (fileDetails != null && !fileDetails.isEmpty()) {
 382                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 383                 transaction.remove(fileDetails);
 384                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 385                 transaction.commit();
 386             }
 387         }
 388
 389         if(mCurrentDir.getParentId() == 0){
 390             ActionBar actionBar = getSupportActionBar();
 391             actionBar.setDisplayHomeAsUpEnabled(false);
 392         }
 393     }
 394
 395     @Override
 396     protected void onSaveInstanceState(Bundle outState) {
 397         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 398         Log.d(getClass().toString(), "onSaveInstanceState() start");
 399         super.onSaveInstanceState(outState);
 400         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 401         Log.d(getClass().toString(), "onSaveInstanceState() end");
 402     }
 403
 404     @Override
 405     protected void onResume() {
 406         Log.d(getClass().toString(), "onResume() start");
 407         super.onResume();
 408
 409         if (AccountUtils.accountsAreSetup(this)) {
 410
 411             if (mStorageManager == null) {
 412                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 413                 initDataFromCurrentAccount();
 414             }
 415
 416             // Listen for sync messages
 417             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 418             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 419             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 420
 421             // Listen for upload messages
 422             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 423             mUploadFinishReceiver = new UploadFinishReceiver();
 424             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 425
 426             // Listen for download messages
 427             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 428             mDownloadFinishReceiver = new DownloadFinishReceiver();
 429             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 430
 431             // List current directory
 432             mFileList.listDirectory(mCurrentDir);
 433
 434         } else {
 435
 436             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 437             showDialog(DIALOG_SETUP_ACCOUNT);
 438
 439         }
 440         Log.d(getClass().toString(), "onResume() end");
 441     }
 442
 443     @Override
 444     protected void onPause() {
 445         Log.d(getClass().toString(), "onPause() start");
 446         super.onPause();
 447         if (mSyncBroadcastReceiver != null) {
 448             unregisterReceiver(mSyncBroadcastReceiver);
 449             mSyncBroadcastReceiver = null;
 450         }
 451         if (mUploadFinishReceiver != null) {
 452             unregisterReceiver(mUploadFinishReceiver);
 453             mUploadFinishReceiver = null;
 454         }
 455         if (mDownloadFinishReceiver != null) {
 456             unregisterReceiver(mDownloadFinishReceiver);
 457             mDownloadFinishReceiver = null;
 458         }
 459         if (!AccountUtils.accountsAreSetup(this)) {
 460             dismissDialog(DIALOG_SETUP_ACCOUNT);
 461         }
 462
 463         getIntent().putExtra(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 464         Log.d(getClass().toString(), "onPause() end");
 465     }
 466
 467     @Override
 468     protected Dialog onCreateDialog(int id) {
 469         Dialog dialog = null;
 470         AlertDialog.Builder builder;
 471         switch (id) {
 472         case DIALOG_SETUP_ACCOUNT: {
 473             builder = new AlertDialog.Builder(this);
 474             builder.setTitle(R.string.main_tit_accsetup);
 475             builder.setMessage(R.string.main_wrn_accsetup);
 476             builder.setCancelable(false);
 477             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 478                 public void onClick(DialogInterface dialog, int which) {
 479                     createFirstAccount();
 480                     dialog.dismiss();
 481                 }
 482             });
 483             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 484                 public void onClick(DialogInterface dialog, int which) {
 485                     dialog.dismiss();
 486                     finish();
 487                 }
 488             });
 489             //builder.setNegativeButton(android.R.string.cancel, this);
 490             dialog = builder.create();
 491             break;
 492         }
 493         case DIALOG_ABOUT_APP: {
 494             builder = new AlertDialog.Builder(this);
 495             builder.setTitle(getString(R.string.about_title));
 496             PackageInfo pkg;
 497             try {
 498                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 499                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 500                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 501                 dialog = builder.create();
 502             } catch (NameNotFoundException e) {
 503                 builder = null;
 504                 dialog = null;
 505                 Log.e(TAG, "Error while showing about dialog", e);
 506             }
 507             break;
 508         }
 509         case DIALOG_CREATE_DIR: {
 510             builder = new Builder(this);
 511             final EditText dirNameInput = new EditText(getBaseContext());
 512             builder.setView(dirNameInput);
 513             builder.setTitle(R.string.uploader_info_dirname);
 514             int typed_color = getResources().getColor(R.color.setup_text_typed);
 515             dirNameInput.setTextColor(typed_color);
 516             builder.setPositiveButton(android.R.string.ok,
 517                     new OnClickListener() {
 518                         public void onClick(DialogInterface dialog, int which) {
 519                             String directoryName = dirNameInput.getText().toString();
 520                             if (directoryName.trim().length() == 0) {
 521                                 dialog.cancel();
 522                                 return;
 523                             }
 524
 525                             // Figure out the path where the dir needs to be created
 526                             String path;
 527                             if (mCurrentDir == null) {
 528                                 // this is just a patch; we should ensure that mCurrentDir never is null
 529                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 530                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 531                                     mStorageManager.saveFile(file);
 532                                 }
 533                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 534                             }
 535                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 536
 537                             // Create directory
 538                             path += directoryName + OCFile.PATH_SEPARATOR;
 539                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 540                             thread.start();
 541
 542                             dialog.dismiss();
 543
 544                             showDialog(DIALOG_SHORT_WAIT);
 545                         }
 546                     });
 547             builder.setNegativeButton(R.string.common_cancel,
 548                     new OnClickListener() {
 549                         public void onClick(DialogInterface dialog, int which) {
 550                             dialog.cancel();
 551                         }
 552                     });
 553             dialog = builder.create();
 554             break;
 555         }
 556         case DIALOG_SHORT_WAIT: {
 557             ProgressDialog working_dialog = new ProgressDialog(this);
 558             working_dialog.setMessage(getResources().getString(
 559                     R.string.wait_a_moment));
 560             working_dialog.setIndeterminate(true);
 561             working_dialog.setCancelable(false);
 562             dialog = working_dialog;
 563             break;
 564         }
 565         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 566             final String [] items = {   getString(R.string.actionbar_upload_files),
 567                                         getString(R.string.actionbar_upload_from_apps) };
 568             builder = new AlertDialog.Builder(this);
 569             builder.setTitle(R.string.actionbar_upload);
 570             builder.setItems(items, new DialogInterface.OnClickListener() {
 571                 public void onClick(DialogInterface dialog, int item) {
 572                     if (item == 0) {
 573                         //if (!mDualPane) {
 574                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 575                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 576                         //} else {
 577                             // TODO create and handle new fragment LocalFileListFragment
 578                         //}
 579                     } else if (item == 1) {
 580                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 581                         action = action.setType("*/*")
 582                                 .addCategory(Intent.CATEGORY_OPENABLE);
 583                         startActivityForResult(
 584                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 585                                 ACTION_SELECT_CONTENT_FROM_APPS);
 586                     }
 587                 }
 588             });
 589             dialog = builder.create();
 590             break;
 591         }
 592         default:
 593             dialog = null;
 594         }
 595
 596         return dialog;
 597     }
 598
 599
 600     /**
 601      * Translates a content URI of an image to a physical path
 602      * on the disk
 603      * @param uri The URI to resolve
 604      * @return The path to the image or null if it could not be found
 605      */
 606     public String getPath(Uri uri) {
 607         String[] projection = { MediaStore.Images.Media.DATA };
 608         Cursor cursor = managedQuery(uri, projection, null, null, null);
 609         if (cursor != null) {
 610             int column_index = cursor
 611                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 612             cursor.moveToFirst();
 613             return cursor.getString(column_index);
 614         }
 615         return null;
 616     }
 617
 618     /**
 619      * Pushes a directory to the drop down list
 620      * @param directory to push
 621      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 622      */
 623     public void pushDirname(OCFile directory) {
 624         if(!directory.isDirectory()){
 625             throw new IllegalArgumentException("Only directories may be pushed!");
 626         }
 627         mDirectories.insert(directory.getFileName(), 0);
 628         mCurrentDir = directory;
 629     }
 630
 631     /**
 632      * Pops a directory name from the drop down list
 633      * @return True, unless the stack is empty
 634      */
 635     public boolean popDirname() {
 636         mDirectories.remove(mDirectories.getItem(0));
 637         return !mDirectories.isEmpty();
 638     }
 639
 640     private class DirectoryCreator implements Runnable {
 641         private String mTargetPath;
 642         private Account mAccount;
 643         private AccountManager mAm;
 644         private Handler mHandler;
 645
 646         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 647             mTargetPath = targetPath;
 648             mAccount = account;
 649             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 650             mHandler = handler;
 651         }
 652
 653         @Override
 654         public void run() {
 655             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 656             boolean created = wdc.createDirectory(mTargetPath);
 657             if (created) {
 658                 mHandler.post(new Runnable() {
 659                     @Override
 660                     public void run() {
 661                         dismissDialog(DIALOG_SHORT_WAIT);
 662
 663                         // Save new directory in local database
 664                         OCFile newDir = new OCFile(mTargetPath);
 665                         newDir.setMimetype("DIR");
 666                         newDir.setParentId(mCurrentDir.getFileId());
 667                         mStorageManager.saveFile(newDir);
 668
 669                         // Display the new folder right away
 670                         mFileList.listDirectory(mCurrentDir);
 671                     }
 672                 });
 673
 674             } else {
 675                 mHandler.post(new Runnable() {
 676                     @Override
 677                     public void run() {
 678                         dismissDialog(DIALOG_SHORT_WAIT);
 679                         try {
 680                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 681                             msg.show();
 682
 683                         } catch (NotFoundException e) {
 684                             Log.e(TAG, "Error while trying to show fail message " , e);
 685                         }
 686                     }
 687                 });
 688             }
 689         }
 690
 691     }
 692
 693     // Custom array adapter to override text colors
 694     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 695
 696         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 697             super(ctx, view);
 698         }
 699
 700         public View getView(int position, View convertView, ViewGroup parent) {
 701             View v = super.getView(position, convertView, parent);
 702
 703             ((TextView) v).setTextColor(getResources().getColorStateList(
 704                     android.R.color.white));
 705             return v;
 706         }
 707
 708         public View getDropDownView(int position, View convertView,
 709                 ViewGroup parent) {
 710             View v = super.getDropDownView(position, convertView, parent);
 711
 712             ((TextView) v).setTextColor(getResources().getColorStateList(
 713                     android.R.color.white));
 714
 715             return v;
 716         }
 717
 718     }
 719
 720     private class SyncBroadcastReceiver extends BroadcastReceiver {
 721         /**
 722          * {@link BroadcastReceiver} to enable syncing feedback in UI
 723          */
 724         @Override
 725         public void onReceive(Context context, Intent intent) {
 726             boolean inProgress = intent.getBooleanExtra(
 727                     FileSyncService.IN_PROGRESS, false);
 728             String accountName = intent
 729                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 730
 731             Log.d("FileDisplay", "sync of account " + accountName
 732                     + " is in_progress: " + inProgress);
 733
 734             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 735
 736                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 737
 738                 boolean fillBlankRoot = false;
 739                 if (mCurrentDir == null) {
 740                     mCurrentDir = mStorageManager.getFileByPath("/");
 741                     fillBlankRoot = (mCurrentDir != null);
 742                 }
 743
 744                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 745                         || fillBlankRoot ) {
 746                     if (!fillBlankRoot)
 747                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 748                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 749                             .findFragmentById(R.id.fileList);
 750                     if (fileListFragment != null) {
 751                         fileListFragment.listDirectory(mCurrentDir);
 752                     }
 753                 }
 754
 755                 setSupportProgressBarIndeterminateVisibility(inProgress);
 756
 757             }
 758         }
 759     }
 760
 761
 762     private class UploadFinishReceiver extends BroadcastReceiver {
 763         /**
 764          * Once the file upload has finished -> update view
 765          *  @author David A. Velasco
 766          * {@link BroadcastReceiver} to enable upload feedback in UI
 767          */
 768         @Override
 769         public void onReceive(Context context, Intent intent) {
 770             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 771             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 772             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 773
 774             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 775                     parentDir != null &&
 776                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 777                             parentDir.equals(mCurrentDir)
 778                     )
 779                 ) {
 780                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 781                 if (fileListFragment != null) {
 782                     fileListFragment.listDirectory();
 783                 }
 784             }
 785         }
 786
 787     }
 788
 789
 790     /**
 791      * Once the file download has finished -> update view
 792      */
 793     private class DownloadFinishReceiver extends BroadcastReceiver {
 794         @Override
 795         public void onReceive(Context context, Intent intent) {
 796             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 797             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 798
 799             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 800                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 801                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 802                 if (fileListFragment != null) {
 803                     fileListFragment.listDirectory();
 804                 }
 805             }
 806         }
 807     }
 808
 809
 810
 811
 812     /**
 813      * {@inheritDoc}
 814      */
 815     @Override
 816     public DataStorageManager getStorageManager() {
 817         return mStorageManager;
 818     }
 819
 820
 821     /**
 822      * {@inheritDoc}
 823      */
 824     @Override
 825     public void onDirectoryClick(OCFile directory) {
 826         pushDirname(directory);
 827         ActionBar actionBar = getSupportActionBar();
 828         actionBar.setDisplayHomeAsUpEnabled(true);
 829
 830         if (mDualPane) {
 831             // Resets the FileDetailsFragment on Tablets so that it always displays
 832             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 833             if (fileDetails != null && !fileDetails.isEmpty()) {
 834                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 835                 transaction.remove(fileDetails);
 836                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 837                 transaction.commit();
 838             }
 839         }
 840     }
 841
 842
 843     /**
 844      * {@inheritDoc}
 845      */
 846     @Override
 847     public void onFileClick(OCFile file) {
 848
 849         // If we are on a large device -> update fragment
 850         if (mDualPane) {
 851             // 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'
 852             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 853             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 854             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 855             transaction.commit();
 856
 857         } else {    // small or medium screen device -> new Activity
 858             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 859             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 860             showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 861             startActivity(showDetailsIntent);
 862         }
 863     }
 864
 865
 866     /**
 867      * {@inheritDoc}
 868      */
 869     @Override
 870     public void onFileStateChanged() {
 871         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 872         if (fileListFragment != null) {
 873             fileListFragment.listDirectory();
 874         }
 875     }
 876
 877     /**
 878      * Launch an intent to request the PIN code to the user before letting him use the app
 879      */
 880     private void requestPinCode() {
 881         boolean pinStart = false;
 882         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 883         pinStart = appPrefs.getBoolean("set_pincode", false);
 884         if (pinStart) {
 885             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
 886             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
 887             startActivity(i);
 888         }
 889     }
 890
 891
 892 }