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.ComponentName;
  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.ServiceConnection;
  37 import android.content.SharedPreferences;
  38 import android.content.pm.PackageInfo;
  39 import android.content.pm.PackageManager.NameNotFoundException;
  40 import android.content.res.Resources.NotFoundException;
  41 import android.database.Cursor;
  42 import android.graphics.Bitmap;
  43 import android.graphics.drawable.BitmapDrawable;
  44 import android.net.Uri;
  45 import android.os.Bundle;
  46 import android.os.Handler;
  47 import android.os.IBinder;
  48 import android.preference.PreferenceManager;
  49 import android.provider.MediaStore;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.util.Log;
  52 import android.view.View;
  53 import android.view.ViewGroup;
  54 import android.widget.ArrayAdapter;
  55 import android.widget.EditText;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.app.SherlockFragmentActivity;
  62 import com.actionbarsherlock.view.Menu;
  63 import com.actionbarsherlock.view.MenuInflater;
  64 import com.actionbarsherlock.view.MenuItem;
  65 import com.actionbarsherlock.view.Window;
  66 import com.owncloud.android.AccountUtils;
  67 import com.owncloud.android.authenticator.AccountAuthenticator;
  68 import com.owncloud.android.datamodel.DataStorageManager;
  69 import com.owncloud.android.datamodel.FileDataStorageManager;
  70 import com.owncloud.android.datamodel.OCFile;
  71 import com.owncloud.android.files.services.FileDownloader;
  72 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  73 import com.owncloud.android.files.services.FileObserverService;
  74 import com.owncloud.android.files.services.FileUploader;
  75 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  76 import com.owncloud.android.network.OwnCloudClientUtils;
  77 import com.owncloud.android.operations.RemoteOperationResult;
  78 import com.owncloud.android.syncadapter.FileSyncService;
  79 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  80 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  81 import com.owncloud.android.ui.fragment.FileDetailFragment;
  82 import com.owncloud.android.ui.fragment.OCFileListFragment;
  83
  84 import com.owncloud.android.R;
  85 import eu.alefzero.webdav.WebdavClient;
  86
  87 /**
  88  * Displays, what files the user has available in his ownCloud.
  89  *
  90  * @author Bartek Przybylski
  91  *
  92  */
  93
  94 public class FileDisplayActivity extends SherlockFragmentActivity implements
  95     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener {
  96
  97     private ArrayAdapter<String> mDirectories;
  98     private OCFile mCurrentDir = null;
  99     private OCFile mCurrentFile = null;
 100
 101     private DataStorageManager mStorageManager;
 102     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 103     private UploadFinishReceiver mUploadFinishReceiver;
 104     private DownloadFinishReceiver mDownloadFinishReceiver;
 105     private FileDownloaderBinder mDownloaderBinder = null;
 106     private FileUploaderBinder mUploaderBinder = null;
 107     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 108     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 109
 110     private OCFileListFragment mFileList;
 111
 112     private boolean mDualPane;
 113
 114     private static final int DIALOG_SETUP_ACCOUNT = 0;
 115     private static final int DIALOG_CREATE_DIR = 1;
 116     private static final int DIALOG_ABOUT_APP = 2;
 117     public static final int DIALOG_SHORT_WAIT = 3;
 118     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 119     private static final int DIALOG_SSL_VALIDATOR = 5;
 120     private static final int DIALOG_CERT_NOT_SAVED = 6;
 121
 122
 123     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 124     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 125
 126     private static final String TAG = "FileDisplayActivity";
 127
 128     private static int[] mMenuIdentifiersToPatch = {R.id.about_app};
 129
 130     @Override
 131     public void onCreate(Bundle savedInstanceState) {
 132         Log.d(getClass().toString(), "onCreate() start");
 133         super.onCreate(savedInstanceState);
 134
 135         /// Load of parameters from received intent
 136         mCurrentDir = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE); // no check necessary, mCurrenDir == null if the parameter is not in the intent
 137         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 138         if (account != null)
 139             AccountUtils.setCurrentOwnCloudAccount(this, account.name);
 140
 141         /// Load of saved instance state: keep this always before initDataFromCurrentAccount()
 142         if(savedInstanceState != null) {
 143             // TODO - test if savedInstanceState should take precedence over file in the intent ALWAYS (now), NEVER, or SOME TIMES
 144             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 145         }
 146
 147         if (!AccountUtils.accountsAreSetup(this)) {
 148             /// no account available: FORCE ACCOUNT CREATION
 149             mStorageManager = null;
 150             createFirstAccount();
 151
 152         } else {    /// at least an account is available
 153
 154             initDataFromCurrentAccount();   // it checks mCurrentDir and mCurrentFile with the current account
 155
 156         }
 157
 158         mUploadConnection = new ListServiceConnection();
 159         mDownloadConnection = new ListServiceConnection();
 160         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 161         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 162
 163         // PIN CODE request ;  best location is to decide, let's try this first
 164         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 165             requestPinCode();
 166         }
 167
 168         // file observer
 169         Intent observer_intent = new Intent(this, FileObserverService.class);
 170         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 171         startService(observer_intent);
 172
 173
 174         /// USER INTERFACE
 175         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 176
 177         // Drop-down navigation
 178         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 179         OCFile currFile = mCurrentDir;
 180         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 181             mDirectories.add(currFile.getFileName());
 182             currFile = mStorageManager.getFileById(currFile.getParentId());
 183         }
 184         mDirectories.add(OCFile.PATH_SEPARATOR);
 185
 186         // Inflate and set the layout view
 187         setContentView(R.layout.files);
 188         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 189         mDualPane = (findViewById(R.id.file_details_container) != null);
 190         if (mDualPane) {
 191             initFileDetailsInDualPane();
 192         }
 193
 194         // Action bar setup
 195         ActionBar actionBar = getSupportActionBar();
 196         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 197         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 198         actionBar.setDisplayShowTitleEnabled(false);
 199         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 200         actionBar.setListNavigationCallbacks(mDirectories, this);
 201         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 202
 203         Log.d(getClass().toString(), "onCreate() end");
 204     }
 205
 206
 207     /**
 208      * Launches the account creation activity. To use when no ownCloud account is available
 209      */
 210     private void createFirstAccount() {
 211         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 212         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 213         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 214     }
 215
 216
 217     /**
 218      *  Load of state dependent of the existence of an ownCloud account
 219      */
 220     private void initDataFromCurrentAccount() {
 221         /// Storage manager initialization - access to local database
 222         mStorageManager = new FileDataStorageManager(
 223                 AccountUtils.getCurrentOwnCloudAccount(this),
 224                 getContentResolver());
 225
 226         /// Check if mCurrentDir is a directory
 227         if(mCurrentDir != null && !mCurrentDir.isDirectory()) {
 228             mCurrentFile = mCurrentDir;
 229             mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 230         }
 231
 232         /// Check if mCurrentDir and mCurrentFile are in the current account, and update them
 233         if (mCurrentDir != null) {
 234             mCurrentDir = mStorageManager.getFileByPath(mCurrentDir.getRemotePath());   // mCurrentDir == null if it is not in the current account
 235         }
 236         if (mCurrentFile != null) {
 237             if (mCurrentFile.fileExists()) {
 238                 mCurrentFile = mStorageManager.getFileByPath(mCurrentFile.getRemotePath());   // mCurrentFile == null if it is not in the current account
 239             }   // else : keep mCurrentFile with the received value; this is currently the case of an upload in progress, when the user presses the status notification in a landscape tablet
 240         }
 241
 242         /// Default to root if mCurrentDir was not found
 243         if (mCurrentDir == null) {
 244             mCurrentDir = mStorageManager.getFileByPath("/"); // will be NULL if the database was never synchronized
 245         }
 246     }
 247
 248
 249     private void initFileDetailsInDualPane() {
 250         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 251             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 252             if (mCurrentFile != null) {
 253                 transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG); // empty FileDetailFragment
 254                 mCurrentFile = null;
 255             } else {
 256                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 257             }
 258             transaction.commit();
 259         }
 260     }
 261
 262
 263     @Override
 264     public void onDestroy() {
 265         super.onDestroy();
 266         if (mDownloadConnection != null)
 267             unbindService(mDownloadConnection);
 268         if (mUploadConnection != null)
 269             unbindService(mUploadConnection);
 270     }
 271
 272
 273     @Override
 274     public boolean onCreateOptionsMenu(Menu menu) {
 275         MenuInflater inflater = getSherlock().getMenuInflater();
 276             inflater.inflate(R.menu.menu, menu);
 277
 278             patchHiddenAccents(menu);
 279
 280             return true;
 281     }
 282
 283     /**
 284      * Workaround for this: <a href="http://code.google.com/p/android/issues/detail?id=3974">http://code.google.com/p/android/issues/detail?id=3974</a>
 285      *
 286      * @param menu      Menu to patch
 287      */
 288     private void patchHiddenAccents(Menu menu) {
 289         for (int i = 0; i < mMenuIdentifiersToPatch.length ; i++) {
 290             MenuItem aboutItem = menu.findItem(mMenuIdentifiersToPatch[i]);
 291             if (aboutItem != null && aboutItem.getIcon() instanceof BitmapDrawable) {
 292                 // Clip off the bottom three (density independent) pixels of transparent padding
 293                 Bitmap original = ((BitmapDrawable) aboutItem.getIcon()).getBitmap();
 294                 float scale = getResources().getDisplayMetrics().density;
 295                 int clippedHeight = (int) (original.getHeight() - (3 * scale));
 296                 Bitmap scaled = Bitmap.createBitmap(original, 0, 0, original.getWidth(), clippedHeight);
 297                 aboutItem.setIcon(new BitmapDrawable(getResources(), scaled));
 298             }
 299         }
 300     }
 301
 302
 303     @Override
 304     public boolean onOptionsItemSelected(MenuItem item) {
 305         boolean retval = true;
 306         switch (item.getItemId()) {
 307             case R.id.createDirectoryItem: {
 308                 showDialog(DIALOG_CREATE_DIR);
 309                 break;
 310             }
 311             case R.id.startSync: {
 312                 startSynchronization();
 313                 break;
 314             }
 315             case R.id.action_upload: {
 316                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 317                 break;
 318             }
 319             case R.id.action_settings: {
 320                 Intent settingsIntent = new Intent(this, Preferences.class);
 321                 startActivity(settingsIntent);
 322                 break;
 323             }
 324             case R.id.about_app : {
 325                 showDialog(DIALOG_ABOUT_APP);
 326                 break;
 327             }
 328             case android.R.id.home: {
 329                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 330                     onBackPressed();
 331                 }
 332                 break;
 333             }
 334             default:
 335                 retval = false;
 336         }
 337         return retval;
 338     }
 339
 340     private void startSynchronization() {
 341         ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 342         Bundle bundle = new Bundle();
 343         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 344         ContentResolver.requestSync(
 345                 AccountUtils.getCurrentOwnCloudAccount(this),
 346                 AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 347     }
 348
 349
 350     @Override
 351     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 352         int i = itemPosition;
 353         while (i-- != 0) {
 354             onBackPressed();
 355         }
 356         // the next operation triggers a new call to this method, but it's necessary to
 357         // ensure that the name exposed in the action bar is the current directory when the
 358         // user selected it in the navigation list
 359         if (itemPosition != 0)
 360             getSupportActionBar().setSelectedNavigationItem(0);
 361         return true;
 362     }
 363
 364     /**
 365      * Called, when the user selected something for uploading
 366      */
 367     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 368
 369         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 370             requestSimpleUpload(data);
 371
 372         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 373             requestMultipleUpload(data);
 374
 375         }
 376     }
 377
 378     private void requestMultipleUpload(Intent data) {
 379         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 380         if (filePaths != null) {
 381             String[] remotePaths = new String[filePaths.length];
 382             String remotePathBase = "";
 383             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 384                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 385             }
 386             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 387                 remotePathBase += OCFile.PATH_SEPARATOR;
 388             for (int j = 0; j< remotePaths.length; j++) {
 389                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 390             }
 391
 392             Intent i = new Intent(this, FileUploader.class);
 393             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 394             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 395             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 396             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 397             startService(i);
 398
 399         } else {
 400             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 401             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 402             t.show();
 403             return;
 404         }
 405     }
 406
 407
 408     private void requestSimpleUpload(Intent data) {
 409         String filepath = null;
 410         try {
 411             Uri selectedImageUri = data.getData();
 412
 413             String filemanagerstring = selectedImageUri.getPath();
 414             String selectedImagePath = getPath(selectedImageUri);
 415
 416             if (selectedImagePath != null)
 417                 filepath = selectedImagePath;
 418             else
 419                 filepath = filemanagerstring;
 420
 421         } catch (Exception e) {
 422             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 423             e.printStackTrace();
 424
 425         } finally {
 426             if (filepath == null) {
 427                 Log.e("FileDisplay", "Couldnt resolve path to file");
 428                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 429                 t.show();
 430                 return;
 431             }
 432         }
 433
 434         Intent i = new Intent(this, FileUploader.class);
 435         i.putExtra(FileUploader.KEY_ACCOUNT,
 436                 AccountUtils.getCurrentOwnCloudAccount(this));
 437         String remotepath = new String();
 438         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 439             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 440         }
 441         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 442             remotepath += OCFile.PATH_SEPARATOR;
 443         remotepath += new File(filepath).getName();
 444
 445         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 446         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 447         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 448         startService(i);
 449     }
 450
 451
 452     @Override
 453     public void onBackPressed() {
 454         if (mDirectories.getCount() <= 1) {
 455             finish();
 456             return;
 457         }
 458         popDirname();
 459         mFileList.onNavigateUp();
 460         mCurrentDir = mFileList.getCurrentFile();
 461
 462         if (mDualPane) {
 463             // Resets the FileDetailsFragment on Tablets so that it always displays
 464             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 465             if (fileDetails != null && !fileDetails.isEmpty()) {
 466                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 467                 transaction.remove(fileDetails);
 468                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG);
 469                 transaction.commit();
 470             }
 471         }
 472
 473         if(mCurrentDir.getParentId() == 0){
 474             ActionBar actionBar = getSupportActionBar();
 475             actionBar.setDisplayHomeAsUpEnabled(false);
 476         }
 477     }
 478
 479     @Override
 480     protected void onSaveInstanceState(Bundle outState) {
 481         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 482         Log.d(getClass().toString(), "onSaveInstanceState() start");
 483         super.onSaveInstanceState(outState);
 484         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 485         if (mDualPane) {
 486             FileDetailFragment fragment = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 487             if (fragment != null) {
 488                 OCFile file = fragment.getDisplayedFile();
 489                 if (file != null) {
 490                     outState.putParcelable(FileDetailFragment.EXTRA_FILE, file);
 491                 }
 492             }
 493         }
 494         Log.d(getClass().toString(), "onSaveInstanceState() end");
 495     }
 496
 497     @Override
 498     protected void onResume() {
 499         Log.d(getClass().toString(), "onResume() start");
 500         super.onResume();
 501
 502         if (AccountUtils.accountsAreSetup(this)) {
 503
 504             if (mStorageManager == null) {
 505                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 506                 initDataFromCurrentAccount();
 507                 if (mDualPane) {
 508                     initFileDetailsInDualPane();
 509                 }
 510             }
 511
 512             // Listen for sync messages
 513             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 514             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 515             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 516
 517             // Listen for upload messages
 518             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 519             mUploadFinishReceiver = new UploadFinishReceiver();
 520             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 521
 522             // Listen for download messages
 523             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 524             mDownloadFinishReceiver = new DownloadFinishReceiver();
 525             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 526
 527             // List current directory
 528             mFileList.listDirectory(mCurrentDir);   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
 529
 530         } else {
 531
 532             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 533             showDialog(DIALOG_SETUP_ACCOUNT);
 534
 535         }
 536         Log.d(getClass().toString(), "onResume() end");
 537     }
 538
 539
 540     @Override
 541     protected void onPause() {
 542         Log.d(getClass().toString(), "onPause() start");
 543         super.onPause();
 544         if (mSyncBroadcastReceiver != null) {
 545             unregisterReceiver(mSyncBroadcastReceiver);
 546             mSyncBroadcastReceiver = null;
 547         }
 548         if (mUploadFinishReceiver != null) {
 549             unregisterReceiver(mUploadFinishReceiver);
 550             mUploadFinishReceiver = null;
 551         }
 552         if (mDownloadFinishReceiver != null) {
 553             unregisterReceiver(mDownloadFinishReceiver);
 554             mDownloadFinishReceiver = null;
 555         }
 556         if (!AccountUtils.accountsAreSetup(this)) {
 557             dismissDialog(DIALOG_SETUP_ACCOUNT);
 558         }
 559
 560         Log.d(getClass().toString(), "onPause() end");
 561     }
 562
 563
 564     @Override
 565     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 566         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 567             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 568         }
 569     }
 570
 571
 572     @Override
 573     protected Dialog onCreateDialog(int id) {
 574         Dialog dialog = null;
 575         AlertDialog.Builder builder;
 576         switch (id) {
 577         case DIALOG_SETUP_ACCOUNT: {
 578             builder = new AlertDialog.Builder(this);
 579             builder.setTitle(R.string.main_tit_accsetup);
 580             builder.setMessage(R.string.main_wrn_accsetup);
 581             builder.setCancelable(false);
 582             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 583                 public void onClick(DialogInterface dialog, int which) {
 584                     createFirstAccount();
 585                     dialog.dismiss();
 586                 }
 587             });
 588             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 589                 public void onClick(DialogInterface dialog, int which) {
 590                     dialog.dismiss();
 591                     finish();
 592                 }
 593             });
 594             //builder.setNegativeButton(android.R.string.cancel, this);
 595             dialog = builder.create();
 596             break;
 597         }
 598         case DIALOG_ABOUT_APP: {
 599             builder = new AlertDialog.Builder(this);
 600             builder.setTitle(getString(R.string.about_title));
 601             PackageInfo pkg;
 602             try {
 603                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 604                 builder.setMessage(String.format(getString(R.string.about_message), pkg.versionName));
 605                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 606                 dialog = builder.create();
 607             } catch (NameNotFoundException e) {
 608                 builder = null;
 609                 dialog = null;
 610                 Log.e(TAG, "Error while showing about dialog", e);
 611             }
 612             break;
 613         }
 614         case DIALOG_CREATE_DIR: {
 615             builder = new Builder(this);
 616             final EditText dirNameInput = new EditText(getBaseContext());
 617             builder.setView(dirNameInput);
 618             builder.setTitle(R.string.uploader_info_dirname);
 619             int typed_color = getResources().getColor(R.color.setup_text_typed);
 620             dirNameInput.setTextColor(typed_color);
 621             builder.setPositiveButton(android.R.string.ok,
 622                     new OnClickListener() {
 623                         public void onClick(DialogInterface dialog, int which) {
 624                             String directoryName = dirNameInput.getText().toString();
 625                             if (directoryName.trim().length() == 0) {
 626                                 dialog.cancel();
 627                                 return;
 628                             }
 629
 630                             // Figure out the path where the dir needs to be created
 631                             String path;
 632                             if (mCurrentDir == null) {
 633                                 // this is just a patch; we should ensure that mCurrentDir never is null
 634                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 635                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 636                                     mStorageManager.saveFile(file);
 637                                 }
 638                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 639                             }
 640                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 641
 642                             // Create directory
 643                             path += directoryName + OCFile.PATH_SEPARATOR;
 644                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 645                             thread.start();
 646
 647                             dialog.dismiss();
 648
 649                             showDialog(DIALOG_SHORT_WAIT);
 650                         }
 651                     });
 652             builder.setNegativeButton(R.string.common_cancel,
 653                     new OnClickListener() {
 654                         public void onClick(DialogInterface dialog, int which) {
 655                             dialog.cancel();
 656                         }
 657                     });
 658             dialog = builder.create();
 659             break;
 660         }
 661         case DIALOG_SHORT_WAIT: {
 662             ProgressDialog working_dialog = new ProgressDialog(this);
 663             working_dialog.setMessage(getResources().getString(
 664                     R.string.wait_a_moment));
 665             working_dialog.setIndeterminate(true);
 666             working_dialog.setCancelable(false);
 667             dialog = working_dialog;
 668             break;
 669         }
 670         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 671             final String [] items = {   getString(R.string.actionbar_upload_files),
 672                                         getString(R.string.actionbar_upload_from_apps) };
 673             builder = new AlertDialog.Builder(this);
 674             builder.setTitle(R.string.actionbar_upload);
 675             builder.setItems(items, new DialogInterface.OnClickListener() {
 676                 public void onClick(DialogInterface dialog, int item) {
 677                     if (item == 0) {
 678                         //if (!mDualPane) {
 679                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 680                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 681                         //} else {
 682                             // TODO create and handle new fragment LocalFileListFragment
 683                         //}
 684                     } else if (item == 1) {
 685                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 686                         action = action.setType("*/*")
 687                                 .addCategory(Intent.CATEGORY_OPENABLE);
 688                         startActivityForResult(
 689                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 690                                 ACTION_SELECT_CONTENT_FROM_APPS);
 691                     }
 692                 }
 693             });
 694             dialog = builder.create();
 695             break;
 696         }
 697         case DIALOG_SSL_VALIDATOR: {
 698             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 699             break;
 700         }
 701         case DIALOG_CERT_NOT_SAVED: {
 702             builder = new AlertDialog.Builder(this);
 703             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 704             builder.setCancelable(false);
 705             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 706                     @Override
 707                     public void onClick(DialogInterface dialog, int which) {
 708                         dialog.dismiss();
 709                     };
 710                 });
 711             dialog = builder.create();
 712             break;
 713         }
 714         default:
 715             dialog = null;
 716         }
 717
 718         return dialog;
 719     }
 720
 721
 722     /**
 723      * Translates a content URI of an image to a physical path
 724      * on the disk
 725      * @param uri The URI to resolve
 726      * @return The path to the image or null if it could not be found
 727      */
 728     public String getPath(Uri uri) {
 729         String[] projection = { MediaStore.Images.Media.DATA };
 730         Cursor cursor = managedQuery(uri, projection, null, null, null);
 731         if (cursor != null) {
 732             int column_index = cursor
 733                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 734             cursor.moveToFirst();
 735             return cursor.getString(column_index);
 736         }
 737         return null;
 738     }
 739
 740     /**
 741      * Pushes a directory to the drop down list
 742      * @param directory to push
 743      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 744      */
 745     public void pushDirname(OCFile directory) {
 746         if(!directory.isDirectory()){
 747             throw new IllegalArgumentException("Only directories may be pushed!");
 748         }
 749         mDirectories.insert(directory.getFileName(), 0);
 750         mCurrentDir = directory;
 751     }
 752
 753     /**
 754      * Pops a directory name from the drop down list
 755      * @return True, unless the stack is empty
 756      */
 757     public boolean popDirname() {
 758         mDirectories.remove(mDirectories.getItem(0));
 759         return !mDirectories.isEmpty();
 760     }
 761
 762     private class DirectoryCreator implements Runnable {
 763         private String mTargetPath;
 764         private Account mAccount;
 765         private Handler mHandler;
 766
 767         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 768             mTargetPath = targetPath;
 769             mAccount = account;
 770             mHandler = handler;
 771         }
 772
 773         @Override
 774         public void run() {
 775             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 776             boolean created = wdc.createDirectory(mTargetPath);
 777             if (created) {
 778                 mHandler.post(new Runnable() {
 779                     @Override
 780                     public void run() {
 781                         dismissDialog(DIALOG_SHORT_WAIT);
 782
 783                         // Save new directory in local database
 784                         OCFile newDir = new OCFile(mTargetPath);
 785                         newDir.setMimetype("DIR");
 786                         newDir.setParentId(mCurrentDir.getFileId());
 787                         mStorageManager.saveFile(newDir);
 788
 789                         // Display the new folder right away
 790                         mFileList.listDirectory();
 791                     }
 792                 });
 793
 794             } else {
 795                 mHandler.post(new Runnable() {
 796                     @Override
 797                     public void run() {
 798                         dismissDialog(DIALOG_SHORT_WAIT);
 799                         try {
 800                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 801                             msg.show();
 802
 803                         } catch (NotFoundException e) {
 804                             Log.e(TAG, "Error while trying to show fail message " , e);
 805                         }
 806                     }
 807                 });
 808             }
 809         }
 810
 811     }
 812
 813     // Custom array adapter to override text colors
 814     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 815
 816         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 817             super(ctx, view);
 818         }
 819
 820         public View getView(int position, View convertView, ViewGroup parent) {
 821             View v = super.getView(position, convertView, parent);
 822
 823             ((TextView) v).setTextColor(getResources().getColorStateList(
 824                     android.R.color.white));
 825             return v;
 826         }
 827
 828         public View getDropDownView(int position, View convertView,
 829                 ViewGroup parent) {
 830             View v = super.getDropDownView(position, convertView, parent);
 831
 832             ((TextView) v).setTextColor(getResources().getColorStateList(
 833                     android.R.color.white));
 834
 835             return v;
 836         }
 837
 838     }
 839
 840     private class SyncBroadcastReceiver extends BroadcastReceiver {
 841
 842         /**
 843          * {@link BroadcastReceiver} to enable syncing feedback in UI
 844          */
 845         @Override
 846         public void onReceive(Context context, Intent intent) {
 847             boolean inProgress = intent.getBooleanExtra(
 848                     FileSyncService.IN_PROGRESS, false);
 849             String accountName = intent
 850                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 851
 852             Log.d("FileDisplay", "sync of account " + accountName
 853                     + " is in_progress: " + inProgress);
 854
 855             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 856
 857                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 858
 859                 boolean fillBlankRoot = false;
 860                 if (mCurrentDir == null) {
 861                     mCurrentDir = mStorageManager.getFileByPath("/");
 862                     fillBlankRoot = (mCurrentDir != null);
 863                 }
 864
 865                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 866                         || fillBlankRoot ) {
 867                     if (!fillBlankRoot)
 868                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 869                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 870                             .findFragmentById(R.id.fileList);
 871                     if (fileListFragment != null) {
 872                         fileListFragment.listDirectory(mCurrentDir);
 873                     }
 874                 }
 875
 876                 setSupportProgressBarIndeterminateVisibility(inProgress);
 877
 878             }
 879
 880             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 881             if (synchResult != null) {
 882                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 883                     mLastSslUntrustedServerResult = synchResult;
 884                     showDialog(DIALOG_SSL_VALIDATOR);
 885                 }
 886             }
 887         }
 888     }
 889
 890
 891     private class UploadFinishReceiver extends BroadcastReceiver {
 892         /**
 893          * Once the file upload has finished -> update view
 894          *  @author David A. Velasco
 895          * {@link BroadcastReceiver} to enable upload feedback in UI
 896          */
 897         @Override
 898         public void onReceive(Context context, Intent intent) {
 899             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 900             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 901             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 902
 903             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 904                     parentDir != null &&
 905                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 906                             parentDir.equals(mCurrentDir)
 907                     )
 908                 ) {
 909                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 910                 if (fileListFragment != null) {
 911                     fileListFragment.listDirectory();
 912                 }
 913             }
 914         }
 915
 916     }
 917
 918
 919     /**
 920      * Once the file download has finished -> update view
 921      */
 922     private class DownloadFinishReceiver extends BroadcastReceiver {
 923         @Override
 924         public void onReceive(Context context, Intent intent) {
 925             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 926             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 927
 928             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 929                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 930                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 931                 if (fileListFragment != null) {
 932                     fileListFragment.listDirectory();
 933                 }
 934             }
 935         }
 936     }
 937
 938
 939
 940
 941     /**
 942      * {@inheritDoc}
 943      */
 944     @Override
 945     public DataStorageManager getStorageManager() {
 946         return mStorageManager;
 947     }
 948
 949
 950     /**
 951      * {@inheritDoc}
 952      */
 953     @Override
 954     public void onDirectoryClick(OCFile directory) {
 955         pushDirname(directory);
 956         ActionBar actionBar = getSupportActionBar();
 957         actionBar.setDisplayHomeAsUpEnabled(true);
 958
 959         if (mDualPane) {
 960             // Resets the FileDetailsFragment on Tablets so that it always displays
 961             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 962             if (fileDetails != null && !fileDetails.isEmpty()) {
 963                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 964                 transaction.remove(fileDetails);
 965                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG);
 966                 transaction.commit();
 967             }
 968         }
 969     }
 970
 971
 972     /**
 973      * {@inheritDoc}
 974      */
 975     @Override
 976     public void onFileClick(OCFile file) {
 977
 978         // If we are on a large device -> update fragment
 979         if (mDualPane) {
 980             // 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'
 981             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 982             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 983             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 984             transaction.commit();
 985
 986         } else {    // small or medium screen device -> new Activity
 987             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 988             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 989             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 990             startActivity(showDetailsIntent);
 991         }
 992     }
 993
 994
 995     /**
 996      * {@inheritDoc}
 997      */
 998     @Override
 999     public OCFile getInitialDirectory() {
1000         return mCurrentDir;
1001     }
1002
1003
1004     /**
1005      * {@inheritDoc}
1006      */
1007     @Override
1008     public void onFileStateChanged() {
1009         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1010         if (fileListFragment != null) {
1011             fileListFragment.listDirectory();
1012         }
1013     }
1014
1015
1016     /**
1017      * {@inheritDoc}
1018      */
1019     @Override
1020     public FileDownloaderBinder getFileDownloaderBinder() {
1021         return mDownloaderBinder;
1022     }
1023
1024
1025     /**
1026      * {@inheritDoc}
1027      */
1028     @Override
1029     public FileUploaderBinder getFileUploaderBinder() {
1030         return mUploaderBinder;
1031     }
1032
1033
1034     /** Defines callbacks for service binding, passed to bindService() */
1035     private class ListServiceConnection implements ServiceConnection {
1036
1037         @Override
1038         public void onServiceConnected(ComponentName component, IBinder service) {
1039             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1040                 Log.d(TAG, "Download service connected");
1041                 mDownloaderBinder = (FileDownloaderBinder) service;
1042             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1043                 Log.d(TAG, "Upload service connected");
1044                 mUploaderBinder = (FileUploaderBinder) service;
1045             } else {
1046                 return;
1047             }
1048             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1049             if (mFileList != null)
1050                 mFileList.listDirectory();
1051             if (mDualPane) {
1052                 FileDetailFragment fragment = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1053                 if (fragment != null)
1054                     fragment.updateFileDetails();
1055             }
1056         }
1057
1058         @Override
1059         public void onServiceDisconnected(ComponentName component) {
1060             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1061                 Log.d(TAG, "Download service disconnected");
1062                 mDownloaderBinder = null;
1063             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1064                 Log.d(TAG, "Upload service disconnected");
1065                 mUploaderBinder = null;
1066             }
1067         }
1068     };
1069
1070
1071
1072     /**
1073      * Launch an intent to request the PIN code to the user before letting him use the app
1074      */
1075     private void requestPinCode() {
1076         boolean pinStart = false;
1077         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1078         pinStart = appPrefs.getBoolean("set_pincode", false);
1079         if (pinStart) {
1080             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1081             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1082             startActivity(i);
1083         }
1084     }
1085
1086
1087     @Override
1088     public void onSavedCertificate() {
1089         startSynchronization();
1090     }
1091
1092
1093     @Override
1094     public void onFailedSavingCertificate() {
1095         showDialog(DIALOG_CERT_NOT_SAVED);
1096     }
1097
1098
1099 }