src/com/owncloud/android/ui/fragment/FileDetailFragment.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 package com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21
  22 import org.apache.commons.httpclient.Credentials;
  23 import org.apache.commons.httpclient.UsernamePasswordCredentials;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.annotation.SuppressLint;
  28 import android.app.Activity;
  29 import android.content.ActivityNotFoundException;
  30 import android.content.BroadcastReceiver;
  31 import android.content.Context;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.graphics.Bitmap;
  35 import android.graphics.BitmapFactory;
  36 import android.graphics.BitmapFactory.Options;
  37 import android.graphics.Point;
  38 import android.net.Uri;
  39 import android.os.AsyncTask;
  40 import android.os.Bundle;
  41 import android.os.Handler;
  42 import android.support.v4.app.DialogFragment;
  43 import android.support.v4.app.FragmentTransaction;
  44 import android.util.Log;
  45 import android.view.Display;
  46 import android.view.LayoutInflater;
  47 import android.view.View;
  48 import android.view.View.OnClickListener;
  49 import android.view.ViewGroup;
  50 import android.webkit.MimeTypeMap;
  51 import android.widget.Button;
  52 import android.widget.CheckBox;
  53 import android.widget.ImageView;
  54 import android.widget.TextView;
  55 import android.widget.Toast;
  56
  57 import com.actionbarsherlock.app.SherlockFragment;
  58 import com.owncloud.android.DisplayUtils;
  59 import com.owncloud.android.authenticator.AccountAuthenticator;
  60 import com.owncloud.android.datamodel.FileDataStorageManager;
  61 import com.owncloud.android.datamodel.OCFile;
  62 import com.owncloud.android.files.services.FileDownloader;
  63 import com.owncloud.android.files.services.FileObserverService;
  64 import com.owncloud.android.files.services.FileUploader;
  65 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  66 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  67 import com.owncloud.android.network.BearerCredentials;
  68 import com.owncloud.android.network.OwnCloudClientUtils;
  69 import com.owncloud.android.operations.OnRemoteOperationListener;
  70 import com.owncloud.android.operations.RemoteOperation;
  71 import com.owncloud.android.operations.RemoteOperationResult;
  72 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  73 import com.owncloud.android.operations.RemoveFileOperation;
  74 import com.owncloud.android.operations.RenameFileOperation;
  75 import com.owncloud.android.operations.SynchronizeFileOperation;
  76 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  77 import com.owncloud.android.ui.activity.FileDetailActivity;
  78 import com.owncloud.android.ui.activity.FileDisplayActivity;
  79 import com.owncloud.android.ui.activity.TransferServiceGetter;
  80 import com.owncloud.android.ui.dialog.EditNameDialog;
  81 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  82
  83 import com.owncloud.android.R;
  84 import eu.alefzero.webdav.WebdavUtils;
  85
  86 /**
  87  * This Fragment is used to display the details about a file.
  88  *
  89  * @author Bartek Przybylski
  90  *
  91  */
  92 public class FileDetailFragment extends SherlockFragment implements
  93         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
  94
  95     public static final String EXTRA_FILE = "FILE";
  96     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  97
  98     private FileDetailFragment.ContainerActivity mContainerActivity;
  99
 100     private int mLayout;
 101     private View mView;
 102     private OCFile mFile;
 103     private Account mAccount;
 104     private FileDataStorageManager mStorageManager;
 105     private ImageView mPreview;
 106
 107     private DownloadFinishReceiver mDownloadFinishReceiver;
 108     private UploadFinishReceiver mUploadFinishReceiver;
 109
 110     private Handler mHandler;
 111     private RemoteOperation mLastRemoteOperation;
 112     private DialogFragment mCurrentDialog;
 113
 114     private static final String TAG = FileDetailFragment.class.getSimpleName();
 115     public static final String FTAG = "FileDetails";
 116     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 117
 118
 119     /**
 120      * Creates an empty details fragment.
 121      *
 122      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 123      */
 124     public FileDetailFragment() {
 125         mFile = null;
 126         mAccount = null;
 127         mStorageManager = null;
 128         mLayout = R.layout.file_details_empty;
 129     }
 130
 131
 132     /**
 133      * Creates a details fragment.
 134      *
 135      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 136      *
 137      * @param fileToDetail      An {@link OCFile} to show in the fragment
 138      * @param ocAccount         An ownCloud account; needed to start downloads
 139      */
 140     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 141         mFile = fileToDetail;
 142         mAccount = ocAccount;
 143         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 144         mLayout = R.layout.file_details_empty;
 145
 146         if(fileToDetail != null && ocAccount != null) {
 147             mLayout = R.layout.file_details_fragment;
 148         }
 149     }
 150
 151
 152     @Override
 153     public void onCreate(Bundle savedInstanceState) {
 154         super.onCreate(savedInstanceState);
 155         mHandler = new Handler();
 156     }
 157
 158
 159     @Override
 160     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 161             Bundle savedInstanceState) {
 162         super.onCreateView(inflater, container, savedInstanceState);
 163
 164         if (savedInstanceState != null) {
 165             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 166             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 167         }
 168
 169         View view = null;
 170         view = inflater.inflate(mLayout, container, false);
 171         mView = view;
 172
 173         if (mLayout == R.layout.file_details_fragment) {
 174             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 175             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 176             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 177             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 178             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 179             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 180             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 181         }
 182
 183         updateFileDetails(false);
 184         return view;
 185     }
 186
 187
 188     /**
 189      * {@inheritDoc}
 190      */
 191     @Override
 192     public void onAttach(Activity activity) {
 193         super.onAttach(activity);
 194         try {
 195             mContainerActivity = (ContainerActivity) activity;
 196         } catch (ClassCastException e) {
 197             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 198         }
 199     }
 200
 201
 202     /**
 203      * {@inheritDoc}
 204      */
 205     @Override
 206     public void onActivityCreated(Bundle savedInstanceState) {
 207         super.onActivityCreated(savedInstanceState);
 208         if (mAccount != null) {
 209             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 210         }
 211     }
 212
 213
 214     @Override
 215     public void onSaveInstanceState(Bundle outState) {
 216         Log.i(getClass().toString(), "onSaveInstanceState() start");
 217         super.onSaveInstanceState(outState);
 218         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 219         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 220         Log.i(getClass().toString(), "onSaveInstanceState() end");
 221     }
 222
 223
 224     @Override
 225     public void onResume() {
 226         super.onResume();
 227
 228         mDownloadFinishReceiver = new DownloadFinishReceiver();
 229         IntentFilter filter = new IntentFilter(
 230                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 231         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 232
 233         mUploadFinishReceiver = new UploadFinishReceiver();
 234         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 235         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 236
 237         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 238     }
 239
 240     @Override
 241     public void onPause() {
 242         super.onPause();
 243
 244         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 245         mDownloadFinishReceiver = null;
 246
 247         getActivity().unregisterReceiver(mUploadFinishReceiver);
 248         mUploadFinishReceiver = null;
 249
 250         if (mPreview != null) {
 251             mPreview = null;
 252         }
 253     }
 254
 255     @Override
 256     public View getView() {
 257         return super.getView() == null ? mView : super.getView();
 258     }
 259
 260
 261
 262     @Override
 263     public void onClick(View v) {
 264         switch (v.getId()) {
 265             case R.id.fdDownloadBtn: {
 266                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 267                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 268                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 269                     downloaderBinder.cancel(mAccount, mFile);
 270                     if (mFile.isDown()) {
 271                         setButtonsForDown();
 272                     } else {
 273                         setButtonsForRemote();
 274                     }
 275
 276                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 277                     uploaderBinder.cancel(mAccount, mFile);
 278                     if (!mFile.fileExists()) {
 279                         // TODO make something better
 280                         if (getActivity() instanceof FileDisplayActivity) {
 281                             // double pane
 282                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 283                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 284                             transaction.commit();
 285                             mContainerActivity.onFileStateChanged();
 286                         } else {
 287                             getActivity().finish();
 288                         }
 289
 290                     } else if (mFile.isDown()) {
 291                         setButtonsForDown();
 292                     } else {
 293                         setButtonsForRemote();
 294                     }
 295
 296                 } else {
 297                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 298                     mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 299
 300                     // update ui
 301                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 302                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 303                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 304
 305                 }
 306                 break;
 307             }
 308             case R.id.fdKeepInSync: {
 309                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 310                 mFile.setKeepInSync(cb.isChecked());
 311                 mStorageManager.saveFile(mFile);
 312
 313                 /// register the OCFile instance in the observer service to monitor local updates;
 314                 /// if necessary, the file is download
 315                 Intent intent = new Intent(getActivity().getApplicationContext(),
 316                                            FileObserverService.class);
 317                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 318                            (cb.isChecked()?
 319                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 320                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 321                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 322                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 323                 Log.e(TAG, "starting observer service");
 324                 getActivity().startService(intent);
 325
 326                 if (mFile.keepInSync()) {
 327                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 328                 }
 329                 break;
 330             }
 331             case R.id.fdRenameBtn: {
 332                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 333                 dialog.show(getFragmentManager(), "nameeditdialog");
 334                 break;
 335             }
 336             case R.id.fdRemoveBtn: {
 337                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 338                         R.string.confirmation_remove_alert,
 339                         new String[]{mFile.getFileName()},
 340                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 341                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 342                         R.string.common_cancel);
 343                 confDialog.setOnConfirmationListener(this);
 344                 mCurrentDialog = confDialog;
 345                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 346                 break;
 347             }
 348             case R.id.fdOpenBtn: {
 349                 String storagePath = mFile.getStoragePath();
 350                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 351                 try {
 352                     Intent i = new Intent(Intent.ACTION_VIEW);
 353                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 354                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 355                     startActivity(i);
 356
 357                 } catch (Throwable t) {
 358                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 359                     boolean toastIt = true;
 360                     String mimeType = "";
 361                     try {
 362                         Intent i = new Intent(Intent.ACTION_VIEW);
 363                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 364                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 365                             if (mimeType != null) {
 366                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 367                             } else {
 368                                 // desperate try
 369                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 370                             }
 371                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 372                             startActivity(i);
 373                             toastIt = false;
 374                         }
 375
 376                     } catch (IndexOutOfBoundsException e) {
 377                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 378
 379                     } catch (ActivityNotFoundException e) {
 380                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 381
 382                     } catch (Throwable th) {
 383                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 384
 385                     } finally {
 386                         if (toastIt) {
 387                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 388                         }
 389                     }
 390
 391                 }
 392                 break;
 393             }
 394             default:
 395                 Log.e(TAG, "Incorrect view clicked!");
 396         }
 397
 398         /* else if (v.getId() == R.id.fdShareBtn) {
 399             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 400             t.start();
 401         }*/
 402     }
 403
 404
 405     @Override
 406     public void onConfirmation(String callerTag) {
 407         if (callerTag.equals(FTAG_CONFIRMATION)) {
 408             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 409                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 410                                                                 true,
 411                                                                 mStorageManager);
 412                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 413
 414                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 415                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 416             }
 417         }
 418         mCurrentDialog.dismiss();
 419         mCurrentDialog = null;
 420     }
 421
 422     @Override
 423     public void onNeutral(String callerTag) {
 424         File f = null;
 425         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 426             f.delete();
 427             mFile.setStoragePath(null);
 428             mStorageManager.saveFile(mFile);
 429             updateFileDetails(mFile, mAccount);
 430         }
 431         mCurrentDialog.dismiss();
 432         mCurrentDialog = null;
 433     }
 434
 435     @Override
 436     public void onCancel(String callerTag) {
 437         Log.d(TAG, "REMOVAL CANCELED");
 438         mCurrentDialog.dismiss();
 439         mCurrentDialog = null;
 440     }
 441
 442
 443     /**
 444      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 445      *
 446      * @return  True when the fragment was created with the empty layout.
 447      */
 448     public boolean isEmpty() {
 449         return mLayout == R.layout.file_details_empty;
 450     }
 451
 452
 453     /**
 454      * Can be used to get the file that is currently being displayed.
 455      * @return The file on the screen.
 456      */
 457     public OCFile getDisplayedFile(){
 458         return mFile;
 459     }
 460
 461     /**
 462      * Use this method to signal this Activity that it shall update its view.
 463      *
 464      * @param file : An {@link OCFile}
 465      */
 466     public void updateFileDetails(OCFile file, Account ocAccount) {
 467         mFile = file;
 468         if (ocAccount != null && (
 469                 mStorageManager == null ||
 470                 (mAccount != null && !mAccount.equals(ocAccount))
 471            )) {
 472             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 473         }
 474         mAccount = ocAccount;
 475         updateFileDetails(false);
 476     }
 477
 478
 479     /**
 480      * Updates the view with all relevant details about that file.
 481      *
 482      * TODO Remove parameter when the transferring state of files is kept in database.
 483      *
 484      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 485      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 486      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 487      *
 488      */
 489     public void updateFileDetails(boolean transferring) {
 490
 491         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 492
 493             // set file details
 494             setFilename(mFile.getFileName());
 495             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 496                     .getMimetype()));
 497             setFilesize(mFile.getFileLength());
 498             if(ocVersionSupportsTimeCreated()){
 499                 setTimeCreated(mFile.getCreationTimestamp());
 500             }
 501
 502             setTimeModified(mFile.getModificationTimestamp());
 503
 504             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 505             cb.setChecked(mFile.keepInSync());
 506
 507             // configure UI for depending upon local state of the file
 508             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 509             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 510             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 511             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 512                 setButtonsForTransferring();
 513
 514             } else if (mFile.isDown()) {
 515                 // Update preview
 516                 if (mFile.getMimetype().startsWith("image/")) {
 517                     BitmapLoader bl = new BitmapLoader();
 518                     bl.execute(new String[]{mFile.getStoragePath()});
 519                 }
 520
 521                 setButtonsForDown();
 522
 523             } else {
 524                 // TODO load default preview image; when the local file is removed, the preview remains there
 525                 setButtonsForRemote();
 526             }
 527         }
 528         getView().invalidate();
 529     }
 530
 531
 532     /**
 533      * Updates the filename in view
 534      * @param filename to set
 535      */
 536     private void setFilename(String filename) {
 537         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 538         if (tv != null)
 539             tv.setText(filename);
 540     }
 541
 542     /**
 543      * Updates the MIME type in view
 544      * @param mimetype to set
 545      */
 546     private void setFiletype(String mimetype) {
 547         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 548         if (tv != null)
 549             tv.setText(mimetype);
 550     }
 551
 552     /**
 553      * Updates the file size in view
 554      * @param filesize in bytes to set
 555      */
 556     private void setFilesize(long filesize) {
 557         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 558         if (tv != null)
 559             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 560     }
 561
 562     /**
 563      * Updates the time that the file was created in view
 564      * @param milliseconds Unix time to set
 565      */
 566     private void setTimeCreated(long milliseconds){
 567         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 568         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 569         if(tv != null){
 570             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 571             tv.setVisibility(View.VISIBLE);
 572             tvLabel.setVisibility(View.VISIBLE);
 573         }
 574     }
 575
 576     /**
 577      * Updates the time that the file was last modified
 578      * @param milliseconds Unix time to set
 579      */
 580     private void setTimeModified(long milliseconds){
 581         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 582         if(tv != null){
 583             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 584         }
 585     }
 586
 587     /**
 588      * Enables or disables buttons for a file being downloaded
 589      */
 590     private void setButtonsForTransferring() {
 591         if (!isEmpty()) {
 592             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 593             downloadButton.setText(R.string.common_cancel);
 594             //downloadButton.setEnabled(false);
 595
 596             // let's protect the user from himself ;)
 597             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 598             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 599             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 600             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 601         }
 602     }
 603
 604     /**
 605      * Enables or disables buttons for a file locally available
 606      */
 607     private void setButtonsForDown() {
 608         if (!isEmpty()) {
 609             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 610             downloadButton.setText(R.string.filedetails_sync_file);
 611
 612             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 613             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 614             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 615             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 616         }
 617     }
 618
 619     /**
 620      * Enables or disables buttons for a file not locally available
 621      */
 622     private void setButtonsForRemote() {
 623         if (!isEmpty()) {
 624             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 625             downloadButton.setText(R.string.filedetails_download);
 626
 627             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 628             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 629             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 630             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 631         }
 632     }
 633
 634
 635     /**
 636      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 637      * the time that the file was created. There is a chance that this will
 638      * be fixed in future versions. Use this method to check if this version of
 639      * ownCloud has this fix.
 640      * @return True, if ownCloud the ownCloud version is supporting creation time
 641      */
 642     private boolean ocVersionSupportsTimeCreated(){
 643         /*if(mAccount != null){
 644             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 645             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 646                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 647             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 648                 return true;
 649             }
 650         }*/
 651         return false;
 652     }
 653
 654
 655     /**
 656      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 657      *
 658      * @author David A. Velasco
 659      */
 660     public interface ContainerActivity extends TransferServiceGetter {
 661
 662         /**
 663          * Callback method invoked when the detail fragment wants to notice its container
 664          * activity about a relevant state the file shown by the fragment.
 665          *
 666          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 667          *
 668          * Currently called when:
 669          *  - a download is started;
 670          *  - a rename is completed;
 671          *  - a deletion is completed;
 672          *  - the 'inSync' flag is changed;
 673          */
 674         public void onFileStateChanged();
 675
 676     }
 677
 678
 679     /**
 680      * Once the file download has finished -> update view
 681      * @author Bartek Przybylski
 682      */
 683     private class DownloadFinishReceiver extends BroadcastReceiver {
 684         @Override
 685         public void onReceive(Context context, Intent intent) {
 686             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 687
 688             if (!isEmpty() && accountName.equals(mAccount.name)) {
 689                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 690                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 691                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 692                     if (downloadWasFine) {
 693                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 694                     }
 695                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 696                 }
 697             }
 698         }
 699     }
 700
 701
 702     /**
 703      * Once the file upload has finished -> update view
 704      *
 705      * Being notified about the finish of an upload is necessary for the next sequence:
 706      *   1. Upload a big file.
 707      *   2. Force a synchronization; if it finished before the upload, the file in transfer will be included in the local database and in the file list
 708      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 709      *   3. Click the file in the list to see its details.
 710      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 711      */
 712     private class UploadFinishReceiver extends BroadcastReceiver {
 713         @Override
 714         public void onReceive(Context context, Intent intent) {
 715             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 716
 717             if (!isEmpty() && accountName.equals(mAccount.name)) {
 718                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 719                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 720                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 721                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 722                     renamedInUpload) {
 723                     if (uploadWasFine) {
 724                         mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 725                     }
 726                     if (renamedInUpload) {
 727                         String newName = (new File(uploadRemotePath)).getName();
 728                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 729                         msg.show();
 730                         getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 731                     }
 732                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 733                 }
 734             }
 735         }
 736     }
 737
 738
 739     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 740     /*
 741     @SuppressWarnings("unused")
 742     private class ShareRunnable implements Runnable {
 743         private String mPath;
 744
 745         public ShareRunnable(String path) {
 746             mPath = path;
 747         }
 748
 749         public void run() {
 750             AccountManager am = AccountManager.get(getActivity());
 751             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 752             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 753             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 754
 755             Log.d("share", "sharing for version " + ocv.toString());
 756
 757             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 758                 String APPS_PATH = "/apps/files_sharing/";
 759                 String SHARE_PATH = "ajax/share.php";
 760
 761                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 762
 763                 final String WEBDAV_SCRIPT = "webdav.php";
 764                 final String WEBDAV_FILES_LOCATION = "/files/";
 765
 766                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 767                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 768                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 769
 770                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 771                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 772
 773                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 774
 775                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 776                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 777                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 778                 Log.d("share", mPath+"");
 779                 formparams.add(new BasicNameValuePair("sources",mPath));
 780                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 781                 formparams.add(new BasicNameValuePair("permissions", "0"));
 782                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 783
 784                 int status;
 785                 try {
 786                     PropFindMethod find = new PropFindMethod(url+"/");
 787                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 788                     Log.d("sharer", ""+ url+"/");
 789
 790                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 791                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 792                     }
 793
 794                     int status2 = wc.executeMethod(find);
 795
 796                     Log.d("sharer", "propstatus "+status2);
 797
 798                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 799                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 800
 801                     status2 = wc.executeMethod(get);
 802
 803                     Log.d("sharer", "getstatus "+status2);
 804                     Log.d("sharer", "" + get.getResponseBodyAsString());
 805
 806                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 807                         Log.d("sharer", a.getName() + ":"+a.getValue());
 808                     }
 809
 810                     status = wc.executeMethod(post);
 811                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 812                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 813                     }
 814                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 815                         Log.d("sharer", a.getName() + ":"+a.getValue());
 816                     }
 817                     String resp = post.getResponseBodyAsString();
 818                     Log.d("share", ""+post.getURI().toString());
 819                     Log.d("share", "returned status " + status);
 820                     Log.d("share", " " +resp);
 821
 822                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 823                         return;
 824                      }
 825
 826                     JSONObject jsonObject = new JSONObject (resp);
 827                     String jsonStatus = jsonObject.getString("status");
 828                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 829
 830                     String token = jsonObject.getString("data");
 831                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 832                     Log.d("Actions:shareFile ok", "url: " + uri);
 833
 834                 } catch (Exception e) {
 835                     e.printStackTrace();
 836                 }
 837
 838             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 839
 840             }
 841         }
 842     }
 843     */
 844
 845     public void onDismiss(EditNameDialog dialog) {
 846         if (dialog.getResult()) {
 847             String newFilename = dialog.getNewFilename();
 848             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 849             mLastRemoteOperation = new RenameFileOperation( mFile,
 850                                                             mAccount,
 851                                                             newFilename,
 852                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 853             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 854             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 855             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 856         }
 857     }
 858
 859
 860     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 861         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 862                 @Override
 863         protected Bitmap doInBackground(String... params) {
 864             Bitmap result = null;
 865             if (params.length != 1) return result;
 866             String storagePath = params[0];
 867             try {
 868
 869                 BitmapFactory.Options options = new Options();
 870                 options.inScaled = true;
 871                 options.inPurgeable = true;
 872                 options.inJustDecodeBounds = true;
 873                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 874                     options.inPreferQualityOverSpeed = false;
 875                 }
 876                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 877                     options.inMutable = false;
 878                 }
 879
 880                 result = BitmapFactory.decodeFile(storagePath, options);
 881                 options.inJustDecodeBounds = false;
 882
 883                 int width = options.outWidth;
 884                 int height = options.outHeight;
 885                 int scale = 1;
 886                 if (width >= 2048 || height >= 2048) {
 887                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 888                     options.inSampleSize = scale;
 889                 }
 890                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 891                 Point size = new Point();
 892                 int screenwidth;
 893                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 894                     display.getSize(size);
 895                     screenwidth = size.x;
 896                 } else {
 897                     screenwidth = display.getWidth();
 898                 }
 899
 900                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 901
 902                 if (width > screenwidth) {
 903                     scale = (int) Math.ceil((float)width / screenwidth);
 904                     options.inSampleSize = scale;
 905                 }
 906
 907                 result = BitmapFactory.decodeFile(storagePath, options);
 908
 909                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 910
 911             } catch (OutOfMemoryError e) {
 912                 result = null;
 913                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 914
 915             } catch (NoSuchFieldError e) {
 916                 result = null;
 917                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 918
 919             } catch (Throwable t) {
 920                 result = null;
 921                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 922             }
 923             return result;
 924         }
 925         @Override
 926         protected void onPostExecute(Bitmap result) {
 927             if (result != null && mPreview != null) {
 928                 mPreview.setImageBitmap(result);
 929             }
 930         }
 931
 932     }
 933
 934     /**
 935      * {@inheritDoc}
 936      */
 937     @Override
 938     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 939         if (!result.isSuccess() && result.getCode() == ResultCode.UNAUTHORIZED) {
 940             AccountManager am = AccountManager.get(getSherlockActivity());
 941             //am.invalidateAuthToken(AccountAuthenticator.ACCOUNT_TYPE, OwnCloudClientUtils.getAuthorizationTokenType(operation.getClient().getCredentials()));
 942             Credentials cred = operation.getClient().getCredentials();
 943             if (cred instanceof BearerCredentials) {
 944                 am.invalidateAuthToken(AccountAuthenticator.ACCOUNT_TYPE, ((BearerCredentials)cred).getAccessToken());
 945             } else {
 946                 am.clearPassword(mAccount);
 947             }
 948             operation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());  // need a new client instance, so avoid retry()
 949                 // TODO si el usuario no se autoriza de nuevo, esto genera un bucle infinito; o un error en la creación del objecto cliente
 950
 951         } else {
 952             if (operation instanceof RemoveFileOperation) {
 953                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 954
 955             } else if (operation instanceof RenameFileOperation) {
 956                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 957
 958             } else if (operation instanceof SynchronizeFileOperation) {
 959                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 960             }
 961         }
 962     }
 963
 964
 965     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 966         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 967         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 968
 969         if (result.isSuccess()) {
 970             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 971             msg.show();
 972             if (inDisplayActivity) {
 973                 // double pane
 974                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 975                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 976                 transaction.commit();
 977                 mContainerActivity.onFileStateChanged();
 978             } else {
 979                 getActivity().finish();
 980             }
 981
 982         } else {
 983             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 984             msg.show();
 985             if (result.isSslRecoverableException()) {
 986                 // TODO show the SSL warning dialog
 987             }
 988         }
 989     }
 990
 991     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 992         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 993         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 994
 995         if (result.isSuccess()) {
 996             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 997             mContainerActivity.onFileStateChanged();
 998
 999         } else {
1000             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1001                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1002                 msg.show();
1003                 // TODO throw again the new rename dialog
1004             } else {
1005                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1006                 msg.show();
1007                 if (result.isSslRecoverableException()) {
1008                     // TODO show the SSL warning dialog
1009                 }
1010             }
1011         }
1012     }
1013
1014     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1015         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1016         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1017
1018         if (!result.isSuccess()) {
1019             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1020                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1021                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1022                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1023                 startActivity(i);
1024
1025             } else {
1026                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1027                 msg.show();
1028             }
1029
1030             if (mFile.isDown()) {
1031                 setButtonsForDown();
1032
1033             } else {
1034                 setButtonsForRemote();
1035             }
1036
1037         } else {
1038             if (operation.transferWasRequested()) {
1039                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1040                                                             // checking the service to see if the file is downloading results in FALSE
1041             } else {
1042                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1043                 msg.show();
1044                 if (mFile.isDown()) {
1045                     setButtonsForDown();
1046
1047                 } else {
1048                     setButtonsForRemote();
1049                 }
1050             }
1051         }
1052     }
1053
1054 }