src/com/owncloud/android/ui/fragment/FileDetailFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui.fragment;
  20
  21 import java.io.File;
  22
  23 import org.apache.commons.httpclient.Credentials;
  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.authentication.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.operations.OnRemoteOperationListener;
  69 import com.owncloud.android.operations.RemoteOperation;
  70 import com.owncloud.android.operations.RemoteOperationResult;
  71 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  72 import com.owncloud.android.operations.RemoveFileOperation;
  73 import com.owncloud.android.operations.RenameFileOperation;
  74 import com.owncloud.android.operations.SynchronizeFileOperation;
  75 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  76 import com.owncloud.android.ui.activity.FileDetailActivity;
  77 import com.owncloud.android.ui.activity.FileDisplayActivity;
  78 import com.owncloud.android.ui.activity.TransferServiceGetter;
  79 import com.owncloud.android.ui.dialog.EditNameDialog;
  80 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  81
  82 import com.owncloud.android.R;
  83 import eu.alefzero.webdav.WebdavUtils;
  84
  85 /**
  86  * This Fragment is used to display the details about a file.
  87  *
  88  * @author Bartek Przybylski
  89  *
  90  */
  91 public class FileDetailFragment extends SherlockFragment implements
  92         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
  93
  94     public static final String EXTRA_FILE = "FILE";
  95     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  96
  97     private FileDetailFragment.ContainerActivity mContainerActivity;
  98
  99     private int mLayout;
 100     private View mView;
 101     private OCFile mFile;
 102     private Account mAccount;
 103     private FileDataStorageManager mStorageManager;
 104     private ImageView mPreview;
 105
 106     private DownloadFinishReceiver mDownloadFinishReceiver;
 107     private UploadFinishReceiver mUploadFinishReceiver;
 108
 109     private Handler mHandler;
 110     private RemoteOperation mLastRemoteOperation;
 111     private DialogFragment mCurrentDialog;
 112
 113     private static final String TAG = FileDetailFragment.class.getSimpleName();
 114     public static final String FTAG = "FileDetails";
 115     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 116
 117
 118     /**
 119      * Creates an empty details fragment.
 120      *
 121      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 122      */
 123     public FileDetailFragment() {
 124         mFile = null;
 125         mAccount = null;
 126         mStorageManager = null;
 127         mLayout = R.layout.file_details_empty;
 128     }
 129
 130
 131     /**
 132      * Creates a details fragment.
 133      *
 134      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 135      *
 136      * @param fileToDetail      An {@link OCFile} to show in the fragment
 137      * @param ocAccount         An ownCloud account; needed to start downloads
 138      */
 139     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 140         mFile = fileToDetail;
 141         mAccount = ocAccount;
 142         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 143         mLayout = R.layout.file_details_empty;
 144     }
 145
 146
 147     @Override
 148     public void onCreate(Bundle savedInstanceState) {
 149         super.onCreate(savedInstanceState);
 150         mHandler = new Handler();
 151     }
 152
 153
 154     @Override
 155     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 156             Bundle savedInstanceState) {
 157         super.onCreateView(inflater, container, savedInstanceState);
 158
 159         if (savedInstanceState != null) {
 160             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 161             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 162         }
 163
 164         if(mFile != null && mAccount != null) {
 165             mLayout = R.layout.file_details_fragment;
 166         }
 167
 168         View view = null;
 169         view = inflater.inflate(mLayout, container, false);
 170         mView = view;
 171
 172         if (mLayout == R.layout.file_details_fragment) {
 173             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 174             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 175             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 176             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 177             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 178             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 179             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 180         }
 181
 182         updateFileDetails(false);
 183         return view;
 184     }
 185
 186
 187     /**
 188      * {@inheritDoc}
 189      */
 190     @Override
 191     public void onAttach(Activity activity) {
 192         super.onAttach(activity);
 193         try {
 194             mContainerActivity = (ContainerActivity) activity;
 195         } catch (ClassCastException e) {
 196             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 197         }
 198     }
 199
 200
 201     /**
 202      * {@inheritDoc}
 203      */
 204     @Override
 205     public void onActivityCreated(Bundle savedInstanceState) {
 206         super.onActivityCreated(savedInstanceState);
 207         if (mAccount != null) {
 208             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 209         }
 210     }
 211
 212
 213     @Override
 214     public void onSaveInstanceState(Bundle outState) {
 215         Log.i(getClass().toString(), "onSaveInstanceState() start");
 216         super.onSaveInstanceState(outState);
 217         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 218         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 219         Log.i(getClass().toString(), "onSaveInstanceState() end");
 220     }
 221
 222
 223     @Override
 224     public void onResume() {
 225         super.onResume();
 226
 227         mDownloadFinishReceiver = new DownloadFinishReceiver();
 228         IntentFilter filter = new IntentFilter(
 229                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 230         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 231
 232         mUploadFinishReceiver = new UploadFinishReceiver();
 233         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 234         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 235
 236         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 237     }
 238
 239     @Override
 240     public void onPause() {
 241         super.onPause();
 242
 243         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 244         mDownloadFinishReceiver = null;
 245
 246         getActivity().unregisterReceiver(mUploadFinishReceiver);
 247         mUploadFinishReceiver = null;
 248
 249         if (mPreview != null) {
 250             mPreview = null;
 251         }
 252     }
 253
 254     @Override
 255     public View getView() {
 256         return super.getView() == null ? mView : super.getView();
 257     }
 258
 259
 260
 261     @Override
 262     public void onClick(View v) {
 263         switch (v.getId()) {
 264             case R.id.fdDownloadBtn: {
 265                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 266                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 267                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 268                     downloaderBinder.cancel(mAccount, mFile);
 269                     if (mFile.isDown()) {
 270                         setButtonsForDown();
 271                     } else {
 272                         setButtonsForRemote();
 273                     }
 274
 275                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 276                     uploaderBinder.cancel(mAccount, mFile);
 277                     if (!mFile.fileExists()) {
 278                         // TODO make something better
 279                         if (getActivity() instanceof FileDisplayActivity) {
 280                             // double pane
 281                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 282                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 283                             transaction.commit();
 284                             mContainerActivity.onFileStateChanged();
 285                         } else {
 286                             getActivity().finish();
 287                         }
 288
 289                     } else if (mFile.isDown()) {
 290                         setButtonsForDown();
 291                     } else {
 292                         setButtonsForRemote();
 293                     }
 294
 295                 } else {
 296                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 297                     mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 298
 299                     // update ui
 300                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 301                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 302                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 303
 304                 }
 305                 break;
 306             }
 307             case R.id.fdKeepInSync: {
 308                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 309                 mFile.setKeepInSync(cb.isChecked());
 310                 mStorageManager.saveFile(mFile);
 311
 312                 /// register the OCFile instance in the observer service to monitor local updates;
 313                 /// if necessary, the file is download
 314                 Intent intent = new Intent(getActivity().getApplicationContext(),
 315                                            FileObserverService.class);
 316                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 317                            (cb.isChecked()?
 318                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 319                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 320                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 321                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 322                 Log.e(TAG, "starting observer service");
 323                 getActivity().startService(intent);
 324
 325                 if (mFile.keepInSync()) {
 326                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 327                 }
 328                 break;
 329             }
 330             case R.id.fdRenameBtn: {
 331                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 332                 dialog.show(getFragmentManager(), "nameeditdialog");
 333                 break;
 334             }
 335             case R.id.fdRemoveBtn: {
 336                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 337                         R.string.confirmation_remove_alert,
 338                         new String[]{mFile.getFileName()},
 339                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 340                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 341                         R.string.common_cancel);
 342                 confDialog.setOnConfirmationListener(this);
 343                 mCurrentDialog = confDialog;
 344                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 345                 break;
 346             }
 347             case R.id.fdOpenBtn: {
 348                 String storagePath = mFile.getStoragePath();
 349                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 350                 try {
 351                     Intent i = new Intent(Intent.ACTION_VIEW);
 352                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 353                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 354                     startActivity(i);
 355
 356                 } catch (Throwable t) {
 357                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 358                     boolean toastIt = true;
 359                     String mimeType = "";
 360                     try {
 361                         Intent i = new Intent(Intent.ACTION_VIEW);
 362                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 363                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 364                             if (mimeType != null) {
 365                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 366                             } else {
 367                                 // desperate try
 368                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 369                             }
 370                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 371                             startActivity(i);
 372                             toastIt = false;
 373                         }
 374
 375                     } catch (IndexOutOfBoundsException e) {
 376                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 377
 378                     } catch (ActivityNotFoundException e) {
 379                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 380
 381                     } catch (Throwable th) {
 382                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 383
 384                     } finally {
 385                         if (toastIt) {
 386                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 387                         }
 388                     }
 389
 390                 }
 391                 break;
 392             }
 393             default:
 394                 Log.e(TAG, "Incorrect view clicked!");
 395         }
 396
 397         /* else if (v.getId() == R.id.fdShareBtn) {
 398             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 399             t.start();
 400         }*/
 401     }
 402
 403
 404     @Override
 405     public void onConfirmation(String callerTag) {
 406         if (callerTag.equals(FTAG_CONFIRMATION)) {
 407             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 408                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 409                                                                 true,
 410                                                                 mStorageManager);
 411                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 412                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 413                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 414             }
 415         }
 416         mCurrentDialog.dismiss();
 417         mCurrentDialog = null;
 418     }
 419
 420     @Override
 421     public void onNeutral(String callerTag) {
 422         File f = null;
 423         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 424             f.delete();
 425             mFile.setStoragePath(null);
 426             mStorageManager.saveFile(mFile);
 427             updateFileDetails(mFile, mAccount);
 428         }
 429         mCurrentDialog.dismiss();
 430         mCurrentDialog = null;
 431     }
 432
 433     @Override
 434     public void onCancel(String callerTag) {
 435         Log.d(TAG, "REMOVAL CANCELED");
 436         mCurrentDialog.dismiss();
 437         mCurrentDialog = null;
 438     }
 439
 440
 441     /**
 442      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 443      *
 444      * @return  True when the fragment was created with the empty layout.
 445      */
 446     public boolean isEmpty() {
 447         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 448     }
 449
 450
 451     /**
 452      * Can be used to get the file that is currently being displayed.
 453      * @return The file on the screen.
 454      */
 455     public OCFile getDisplayedFile(){
 456         return mFile;
 457     }
 458
 459     /**
 460      * Use this method to signal this Activity that it shall update its view.
 461      *
 462      * @param file : An {@link OCFile}
 463      */
 464     public void updateFileDetails(OCFile file, Account ocAccount) {
 465         mFile = file;
 466         if (ocAccount != null && (
 467                 mStorageManager == null ||
 468                 (mAccount != null && !mAccount.equals(ocAccount))
 469            )) {
 470             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 471         }
 472         mAccount = ocAccount;
 473         updateFileDetails(false);
 474     }
 475
 476
 477     /**
 478      * Updates the view with all relevant details about that file.
 479      *
 480      * TODO Remove parameter when the transferring state of files is kept in database.
 481      *
 482      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 483      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 484      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 485      *
 486      */
 487     public void updateFileDetails(boolean transferring) {
 488
 489         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 490
 491             // set file details
 492             setFilename(mFile.getFileName());
 493             setFiletype(mFile.getMimetype());
 494             setFilesize(mFile.getFileLength());
 495             if(ocVersionSupportsTimeCreated()){
 496                 setTimeCreated(mFile.getCreationTimestamp());
 497             }
 498
 499             setTimeModified(mFile.getModificationTimestamp());
 500
 501             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 502             cb.setChecked(mFile.keepInSync());
 503
 504             // configure UI for depending upon local state of the file
 505             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 506             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 507             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 508             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 509                 setButtonsForTransferring();
 510
 511             } else if (mFile.isDown()) {
 512                 // Update preview
 513                 if (mFile.getMimetype().startsWith("image/")) {
 514                     BitmapLoader bl = new BitmapLoader();
 515                     bl.execute(new String[]{mFile.getStoragePath()});
 516                 }
 517
 518                 setButtonsForDown();
 519
 520             } else {
 521                 // TODO load default preview image; when the local file is removed, the preview remains there
 522                 setButtonsForRemote();
 523             }
 524         }
 525         getView().invalidate();
 526     }
 527
 528
 529     /**
 530      * Updates the filename in view
 531      * @param filename to set
 532      */
 533     private void setFilename(String filename) {
 534         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 535         if (tv != null)
 536             tv.setText(filename);
 537     }
 538
 539     /**
 540      * Updates the MIME type in view
 541      * @param mimetype to set
 542      */
 543     private void setFiletype(String mimetype) {
 544         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 545         if (tv != null) {
 546             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 547             tv.setText(printableMimetype);
 548         }
 549         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 550         if (iv != null) {
 551             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 552         }
 553     }
 554
 555     /**
 556      * Updates the file size in view
 557      * @param filesize in bytes to set
 558      */
 559     private void setFilesize(long filesize) {
 560         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 561         if (tv != null)
 562             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 563     }
 564
 565     /**
 566      * Updates the time that the file was created in view
 567      * @param milliseconds Unix time to set
 568      */
 569     private void setTimeCreated(long milliseconds){
 570         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 571         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 572         if(tv != null){
 573             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 574             tv.setVisibility(View.VISIBLE);
 575             tvLabel.setVisibility(View.VISIBLE);
 576         }
 577     }
 578
 579     /**
 580      * Updates the time that the file was last modified
 581      * @param milliseconds Unix time to set
 582      */
 583     private void setTimeModified(long milliseconds){
 584         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 585         if(tv != null){
 586             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 587         }
 588     }
 589
 590     /**
 591      * Enables or disables buttons for a file being downloaded
 592      */
 593     private void setButtonsForTransferring() {
 594         if (!isEmpty()) {
 595             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 596             downloadButton.setText(R.string.common_cancel);
 597             //downloadButton.setEnabled(false);
 598
 599             // let's protect the user from himself ;)
 600             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 601             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 602             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 603             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 604         }
 605     }
 606
 607     /**
 608      * Enables or disables buttons for a file locally available
 609      */
 610     private void setButtonsForDown() {
 611         if (!isEmpty()) {
 612             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 613             downloadButton.setText(R.string.filedetails_sync_file);
 614
 615             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 616             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 617             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 618             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 619         }
 620     }
 621
 622     /**
 623      * Enables or disables buttons for a file not locally available
 624      */
 625     private void setButtonsForRemote() {
 626         if (!isEmpty()) {
 627             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 628             downloadButton.setText(R.string.filedetails_download);
 629
 630             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 631             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 632             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 633             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 634         }
 635     }
 636
 637
 638     /**
 639      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 640      * the time that the file was created. There is a chance that this will
 641      * be fixed in future versions. Use this method to check if this version of
 642      * ownCloud has this fix.
 643      * @return True, if ownCloud the ownCloud version is supporting creation time
 644      */
 645     private boolean ocVersionSupportsTimeCreated(){
 646         /*if(mAccount != null){
 647             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 648             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 649                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 650             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 651                 return true;
 652             }
 653         }*/
 654         return false;
 655     }
 656
 657
 658     /**
 659      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 660      *
 661      * @author David A. Velasco
 662      */
 663     public interface ContainerActivity extends TransferServiceGetter {
 664
 665         /**
 666          * Callback method invoked when the detail fragment wants to notice its container
 667          * activity about a relevant state the file shown by the fragment.
 668          *
 669          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 670          *
 671          * Currently called when:
 672          *  - a download is started;
 673          *  - a rename is completed;
 674          *  - a deletion is completed;
 675          *  - the 'inSync' flag is changed;
 676          */
 677         public void onFileStateChanged();
 678
 679     }
 680
 681
 682     /**
 683      * Once the file download has finished -> update view
 684      * @author Bartek Przybylski
 685      */
 686     private class DownloadFinishReceiver extends BroadcastReceiver {
 687         @Override
 688         public void onReceive(Context context, Intent intent) {
 689             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 690
 691             if (!isEmpty() && accountName.equals(mAccount.name)) {
 692                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 693                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 694                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 695                     if (downloadWasFine) {
 696                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 697                     }
 698                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 699                 }
 700             }
 701         }
 702     }
 703
 704
 705     /**
 706      * Once the file upload has finished -> update view
 707      *
 708      * Being notified about the finish of an upload is necessary for the next sequence:
 709      *   1. Upload a big file.
 710      *   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
 711      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 712      *   3. Click the file in the list to see its details.
 713      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 714      */
 715     private class UploadFinishReceiver extends BroadcastReceiver {
 716         @Override
 717         public void onReceive(Context context, Intent intent) {
 718             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 719
 720             if (!isEmpty() && accountName.equals(mAccount.name)) {
 721                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 722                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 723                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 724                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 725                     renamedInUpload) {
 726                     if (uploadWasFine) {
 727                        mFile = mStorageManager.getFileByPath(uploadRemotePath);
 728                     }
 729                     if (renamedInUpload) {
 730                         String newName = (new File(uploadRemotePath)).getName();
 731                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 732                         msg.show();
 733                     }
 734                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 735                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 736                 }
 737             }
 738         }
 739     }
 740
 741
 742     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 743     /*
 744     @SuppressWarnings("unused")
 745     private class ShareRunnable implements Runnable {
 746         private String mPath;
 747
 748         public ShareRunnable(String path) {
 749             mPath = path;
 750         }
 751
 752         public void run() {
 753             AccountManager am = AccountManager.get(getActivity());
 754             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 755             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 756             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 757
 758             Log.d("share", "sharing for version " + ocv.toString());
 759
 760             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 761                 String APPS_PATH = "/apps/files_sharing/";
 762                 String SHARE_PATH = "ajax/share.php";
 763
 764                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 765
 766                 final String WEBDAV_SCRIPT = "webdav.php";
 767                 final String WEBDAV_FILES_LOCATION = "/files/";
 768
 769                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 770                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 771                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 772
 773                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 774                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 775
 776                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 777
 778                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 779                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 780                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 781                 Log.d("share", mPath+"");
 782                 formparams.add(new BasicNameValuePair("sources",mPath));
 783                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 784                 formparams.add(new BasicNameValuePair("permissions", "0"));
 785                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 786
 787                 int status;
 788                 try {
 789                     PropFindMethod find = new PropFindMethod(url+"/");
 790                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 791                     Log.d("sharer", ""+ url+"/");
 792
 793                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 794                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 795                     }
 796
 797                     int status2 = wc.executeMethod(find);
 798
 799                     Log.d("sharer", "propstatus "+status2);
 800
 801                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 802                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 803
 804                     status2 = wc.executeMethod(get);
 805
 806                     Log.d("sharer", "getstatus "+status2);
 807                     Log.d("sharer", "" + get.getResponseBodyAsString());
 808
 809                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 810                         Log.d("sharer", a.getName() + ":"+a.getValue());
 811                     }
 812
 813                     status = wc.executeMethod(post);
 814                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 815                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 816                     }
 817                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 818                         Log.d("sharer", a.getName() + ":"+a.getValue());
 819                     }
 820                     String resp = post.getResponseBodyAsString();
 821                     Log.d("share", ""+post.getURI().toString());
 822                     Log.d("share", "returned status " + status);
 823                     Log.d("share", " " +resp);
 824
 825                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 826                         return;
 827                      }
 828
 829                     JSONObject jsonObject = new JSONObject (resp);
 830                     String jsonStatus = jsonObject.getString("status");
 831                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 832
 833                     String token = jsonObject.getString("data");
 834                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 835                     Log.d("Actions:shareFile ok", "url: " + uri);
 836
 837                 } catch (Exception e) {
 838                     e.printStackTrace();
 839                 }
 840
 841             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 842
 843             }
 844         }
 845     }
 846     */
 847
 848     public void onDismiss(EditNameDialog dialog) {
 849         if (dialog.getResult()) {
 850             String newFilename = dialog.getNewFilename();
 851             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 852             mLastRemoteOperation = new RenameFileOperation( mFile,
 853                                                             mAccount,
 854                                                             newFilename,
 855                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 856             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 857             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 858             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 859         }
 860     }
 861
 862
 863     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 864         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 865                 @Override
 866         protected Bitmap doInBackground(String... params) {
 867             Bitmap result = null;
 868             if (params.length != 1) return result;
 869             String storagePath = params[0];
 870             try {
 871
 872                 BitmapFactory.Options options = new Options();
 873                 options.inScaled = true;
 874                 options.inPurgeable = true;
 875                 options.inJustDecodeBounds = true;
 876                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 877                     options.inPreferQualityOverSpeed = false;
 878                 }
 879                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 880                     options.inMutable = false;
 881                 }
 882
 883                 result = BitmapFactory.decodeFile(storagePath, options);
 884                 options.inJustDecodeBounds = false;
 885
 886                 int width = options.outWidth;
 887                 int height = options.outHeight;
 888                 int scale = 1;
 889                 if (width >= 2048 || height >= 2048) {
 890                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 891                     options.inSampleSize = scale;
 892                 }
 893                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 894                 Point size = new Point();
 895                 int screenwidth;
 896                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 897                     display.getSize(size);
 898                     screenwidth = size.x;
 899                 } else {
 900                     screenwidth = display.getWidth();
 901                 }
 902
 903                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 904
 905                 if (width > screenwidth) {
 906                     scale = (int) Math.ceil((float)width / screenwidth);
 907                     options.inSampleSize = scale;
 908                 }
 909
 910                 result = BitmapFactory.decodeFile(storagePath, options);
 911
 912                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 913
 914             } catch (OutOfMemoryError e) {
 915                 result = null;
 916                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 917
 918             } catch (NoSuchFieldError e) {
 919                 result = null;
 920                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 921
 922             } catch (Throwable t) {
 923                 result = null;
 924                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 925             }
 926             return result;
 927         }
 928         @Override
 929         protected void onPostExecute(Bitmap result) {
 930             if (result != null && mPreview != null) {
 931                 mPreview.setImageBitmap(result);
 932             }
 933         }
 934
 935     }
 936
 937     /**
 938      * {@inheritDoc}
 939      */
 940     @Override
 941     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 942         if (operation instanceof RemoveFileOperation) {
 943             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 944
 945         } else if (operation instanceof RenameFileOperation) {
 946             onRenameFileOperationFinish((RenameFileOperation)operation, result);
 947
 948         } else if (operation instanceof SynchronizeFileOperation) {
 949             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 950         }
 951     }
 952
 953
 954     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 955         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 956         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 957
 958         if (result.isSuccess()) {
 959             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 960             msg.show();
 961             if (inDisplayActivity) {
 962                 // double pane
 963                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 964                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 965                 transaction.commit();
 966                 mContainerActivity.onFileStateChanged();
 967             } else {
 968                 getActivity().finish();
 969             }
 970
 971         } else {
 972             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 973             msg.show();
 974             if (result.isSslRecoverableException()) {
 975                 // TODO show the SSL warning dialog
 976             }
 977         }
 978     }
 979
 980     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 981         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 982         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 983
 984         if (result.isSuccess()) {
 985             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 986             mContainerActivity.onFileStateChanged();
 987
 988         } else {
 989             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 990                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 991                 msg.show();
 992                 // TODO throw again the new rename dialog
 993             } else {
 994                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 995                 msg.show();
 996                 if (result.isSslRecoverableException()) {
 997                     // TODO show the SSL warning dialog
 998                 }
 999             }
1000         }
1001     }
1002
1003     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1004         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1005         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1006
1007         if (!result.isSuccess()) {
1008             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1009                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1010                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1011                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1012                 startActivity(i);
1013
1014             } else {
1015                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1016                 msg.show();
1017             }
1018
1019             if (mFile.isDown()) {
1020                 setButtonsForDown();
1021
1022             } else {
1023                 setButtonsForRemote();
1024             }
1025
1026         } else {
1027             if (operation.transferWasRequested()) {
1028                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1029                                                             // checking the service to see if the file is downloading results in FALSE
1030             } else {
1031                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1032                 msg.show();
1033                 if (mFile.isDown()) {
1034                     setButtonsForDown();
1035
1036                 } else {
1037                     setButtonsForRemote();
1038                 }
1039             }
1040         }
1041     }
1042
1043 }