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 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 import org.apache.commons.httpclient.methods.GetMethod;
  25 import org.apache.commons.httpclient.methods.PostMethod;
  26 import org.apache.commons.httpclient.methods.StringRequestEntity;
  27 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  28 import org.apache.http.HttpStatus;
  29 import org.apache.http.NameValuePair;
  30 import org.apache.http.client.utils.URLEncodedUtils;
  31 import org.apache.http.message.BasicNameValuePair;
  32 import org.apache.http.protocol.HTTP;
  33 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  34 import org.json.JSONObject;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountManager;
  38 import android.annotation.SuppressLint;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.Context;
  43 import android.content.Intent;
  44 import android.content.IntentFilter;
  45 import android.graphics.Bitmap;
  46 import android.graphics.BitmapFactory;
  47 import android.graphics.BitmapFactory.Options;
  48 import android.graphics.Point;
  49 import android.net.Uri;
  50 import android.os.AsyncTask;
  51 import android.os.Bundle;
  52 import android.os.Handler;
  53 import android.support.v4.app.DialogFragment;
  54 import android.support.v4.app.FragmentTransaction;
  55 import android.util.Log;
  56 import android.view.Display;
  57 import android.view.LayoutInflater;
  58 import android.view.View;
  59 import android.view.View.OnClickListener;
  60 import android.view.ViewGroup;
  61 import android.webkit.MimeTypeMap;
  62 import android.widget.Button;
  63 import android.widget.CheckBox;
  64 import android.widget.ImageView;
  65 import android.widget.TextView;
  66 import android.widget.Toast;
  67
  68 import com.actionbarsherlock.app.SherlockFragment;
  69 import com.owncloud.android.AccountUtils;
  70 import com.owncloud.android.DisplayUtils;
  71 import com.owncloud.android.authenticator.AccountAuthenticator;
  72 import com.owncloud.android.datamodel.FileDataStorageManager;
  73 import com.owncloud.android.datamodel.OCFile;
  74 import com.owncloud.android.files.services.FileDownloader;
  75 import com.owncloud.android.files.services.FileObserverService;
  76 import com.owncloud.android.files.services.FileUploader;
  77 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.network.OwnCloudClientUtils;
  80 import com.owncloud.android.operations.OnRemoteOperationListener;
  81 import com.owncloud.android.operations.RemoteOperation;
  82 import com.owncloud.android.operations.RemoteOperationResult;
  83 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  88 import com.owncloud.android.ui.activity.FileDetailActivity;
  89 import com.owncloud.android.ui.activity.FileDisplayActivity;
  90 import com.owncloud.android.ui.activity.TransferServiceGetter;
  91 import com.owncloud.android.ui.dialog.EditNameDialog;
  92 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  93 import com.owncloud.android.utils.OwnCloudVersion;
  94
  95 import com.owncloud.android.R;
  96 import eu.alefzero.webdav.WebdavClient;
  97 import eu.alefzero.webdav.WebdavUtils;
  98
  99 /**
 100  * This Fragment is used to display the details about a file.
 101  *
 102  * @author Bartek Przybylski
 103  *
 104  */
 105 public class FileDetailFragment extends SherlockFragment implements
 106         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
 107
 108     public static final String EXTRA_FILE = "FILE";
 109     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 110
 111     private FileDetailFragment.ContainerActivity mContainerActivity;
 112
 113     private int mLayout;
 114     private View mView;
 115     private OCFile mFile;
 116     private Account mAccount;
 117     private FileDataStorageManager mStorageManager;
 118     private ImageView mPreview;
 119
 120     private DownloadFinishReceiver mDownloadFinishReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122
 123     private Handler mHandler;
 124     private RemoteOperation mLastRemoteOperation;
 125     private DialogFragment mCurrentDialog;
 126
 127     private static final String TAG = FileDetailFragment.class.getSimpleName();
 128     public static final String FTAG = "FileDetails";
 129     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 130
 131
 132     /**
 133      * Creates an empty details fragment.
 134      *
 135      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 136      */
 137     public FileDetailFragment() {
 138         mFile = null;
 139         mAccount = null;
 140         mStorageManager = null;
 141         mLayout = R.layout.file_details_empty;
 142     }
 143
 144
 145     /**
 146      * Creates a details fragment.
 147      *
 148      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 149      *
 150      * @param fileToDetail      An {@link OCFile} to show in the fragment
 151      * @param ocAccount         An ownCloud account; needed to start downloads
 152      */
 153     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 154         mFile = fileToDetail;
 155         mAccount = ocAccount;
 156         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 157         mLayout = R.layout.file_details_empty;
 158
 159         if(fileToDetail != null && ocAccount != null) {
 160             mLayout = R.layout.file_details_fragment;
 161         }
 162     }
 163
 164
 165     @Override
 166     public void onCreate(Bundle savedInstanceState) {
 167         super.onCreate(savedInstanceState);
 168         mHandler = new Handler();
 169     }
 170
 171
 172     @Override
 173     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 174             Bundle savedInstanceState) {
 175         super.onCreateView(inflater, container, savedInstanceState);
 176
 177         if (savedInstanceState != null) {
 178             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 179             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 180         }
 181
 182         View view = null;
 183         view = inflater.inflate(mLayout, container, false);
 184         mView = view;
 185
 186         if (mLayout == R.layout.file_details_fragment) {
 187             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 188             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 189             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 190             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 191             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 192             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 193             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 194         }
 195
 196         updateFileDetails(false);
 197         return view;
 198     }
 199
 200
 201     /**
 202      * {@inheritDoc}
 203      */
 204     @Override
 205     public void onAttach(Activity activity) {
 206         super.onAttach(activity);
 207         try {
 208             mContainerActivity = (ContainerActivity) activity;
 209         } catch (ClassCastException e) {
 210             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 211         }
 212     }
 213
 214
 215     /**
 216      * {@inheritDoc}
 217      */
 218     @Override
 219     public void onActivityCreated(Bundle savedInstanceState) {
 220         super.onActivityCreated(savedInstanceState);
 221         if (mAccount != null) {
 222             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 223         }
 224     }
 225
 226
 227     @Override
 228     public void onSaveInstanceState(Bundle outState) {
 229         Log.i(getClass().toString(), "onSaveInstanceState() start");
 230         super.onSaveInstanceState(outState);
 231         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 232         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 233         Log.i(getClass().toString(), "onSaveInstanceState() end");
 234     }
 235
 236
 237     @Override
 238     public void onResume() {
 239         super.onResume();
 240
 241         mDownloadFinishReceiver = new DownloadFinishReceiver();
 242         IntentFilter filter = new IntentFilter(
 243                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 244         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 245
 246         mUploadFinishReceiver = new UploadFinishReceiver();
 247         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 248         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 249
 250         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 251     }
 252
 253     @Override
 254     public void onPause() {
 255         super.onPause();
 256
 257         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 258         mDownloadFinishReceiver = null;
 259
 260         getActivity().unregisterReceiver(mUploadFinishReceiver);
 261         mUploadFinishReceiver = null;
 262
 263         if (mPreview != null) {
 264             mPreview = null;
 265         }
 266     }
 267
 268     @Override
 269     public View getView() {
 270         return super.getView() == null ? mView : super.getView();
 271     }
 272
 273
 274
 275     @Override
 276     public void onClick(View v) {
 277         switch (v.getId()) {
 278             case R.id.fdDownloadBtn: {
 279                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 280                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 281                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 282                     downloaderBinder.cancel(mAccount, mFile);
 283                     if (mFile.isDown()) {
 284                         setButtonsForDown();
 285                     } else {
 286                         setButtonsForRemote();
 287                     }
 288
 289                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 290                     uploaderBinder.cancel(mAccount, mFile);
 291                     if (!mFile.fileExists()) {
 292                         // TODO make something better
 293                         if (getActivity() instanceof FileDisplayActivity) {
 294                             // double pane
 295                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 296                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 297                             transaction.commit();
 298                             mContainerActivity.onFileStateChanged();
 299                         } else {
 300                             getActivity().finish();
 301                         }
 302
 303                     } else if (mFile.isDown()) {
 304                         setButtonsForDown();
 305                     } else {
 306                         setButtonsForRemote();
 307                     }
 308
 309                 } else {
 310                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 311                     mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler);
 312
 313                     // update ui
 314                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 315                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 316                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 317
 318                 }
 319                 break;
 320             }
 321             case R.id.fdKeepInSync: {
 322                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 323                 mFile.setKeepInSync(cb.isChecked());
 324                 mStorageManager.saveFile(mFile);
 325
 326                 /// register the OCFile instance in the observer service to monitor local updates;
 327                 /// if necessary, the file is download
 328                 Intent intent = new Intent(getActivity().getApplicationContext(),
 329                                            FileObserverService.class);
 330                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 331                            (cb.isChecked()?
 332                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 333                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 334                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 335                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 336                 Log.e(TAG, "starting observer service");
 337                 getActivity().startService(intent);
 338
 339                 if (mFile.keepInSync()) {
 340                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 341                 }
 342                 break;
 343             }
 344             case R.id.fdRenameBtn: {
 345                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 346                 dialog.show(getFragmentManager(), "nameeditdialog");
 347                 break;
 348             }
 349             case R.id.fdRemoveBtn: {
 350                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 351                         R.string.confirmation_remove_alert,
 352                         new String[]{mFile.getFileName()},
 353                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 354                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 355                         R.string.common_cancel);
 356                 confDialog.setOnConfirmationListener(this);
 357                 mCurrentDialog = confDialog;
 358                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 359                 break;
 360             }
 361             case R.id.fdOpenBtn: {
 362                 String storagePath = mFile.getStoragePath();
 363                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 364                 try {
 365                     Intent i = new Intent(Intent.ACTION_VIEW);
 366                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 367                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 368                     startActivity(i);
 369
 370                 } catch (Throwable t) {
 371                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 372                     boolean toastIt = true;
 373                     String mimeType = "";
 374                     try {
 375                         Intent i = new Intent(Intent.ACTION_VIEW);
 376                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 377                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 378                             if (mimeType != null) {
 379                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 380                             } else {
 381                                 // desperate try
 382                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 383                             }
 384                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 385                             startActivity(i);
 386                             toastIt = false;
 387                         }
 388
 389                     } catch (IndexOutOfBoundsException e) {
 390                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 391
 392                     } catch (ActivityNotFoundException e) {
 393                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 394
 395                     } catch (Throwable th) {
 396                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 397
 398                     } finally {
 399                         if (toastIt) {
 400                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 401                         }
 402                     }
 403
 404                 }
 405                 break;
 406             }
 407             default:
 408                 Log.e(TAG, "Incorrect view clicked!");
 409         }
 410
 411         /* else if (v.getId() == R.id.fdShareBtn) {
 412             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 413             t.start();
 414         }*/
 415     }
 416
 417
 418     @Override
 419     public void onConfirmation(String callerTag) {
 420         if (callerTag.equals(FTAG_CONFIRMATION)) {
 421             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 422                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 423                                                                 true,
 424                                                                 mStorageManager);
 425                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler);
 426
 427                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 428                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 429             }
 430         }
 431         mCurrentDialog.dismiss();
 432         mCurrentDialog = null;
 433     }
 434
 435     @Override
 436     public void onNeutral(String callerTag) {
 437         File f = null;
 438         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 439             f.delete();
 440             mFile.setStoragePath(null);
 441             mStorageManager.saveFile(mFile);
 442             updateFileDetails(mFile, mAccount);
 443         }
 444         mCurrentDialog.dismiss();
 445         mCurrentDialog = null;
 446     }
 447
 448     @Override
 449     public void onCancel(String callerTag) {
 450         Log.d(TAG, "REMOVAL CANCELED");
 451         mCurrentDialog.dismiss();
 452         mCurrentDialog = null;
 453     }
 454
 455
 456     /**
 457      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 458      *
 459      * @return  True when the fragment was created with the empty layout.
 460      */
 461     public boolean isEmpty() {
 462         return mLayout == R.layout.file_details_empty;
 463     }
 464
 465
 466     /**
 467      * Can be used to get the file that is currently being displayed.
 468      * @return The file on the screen.
 469      */
 470     public OCFile getDisplayedFile(){
 471         return mFile;
 472     }
 473
 474     /**
 475      * Use this method to signal this Activity that it shall update its view.
 476      *
 477      * @param file : An {@link OCFile}
 478      */
 479     public void updateFileDetails(OCFile file, Account ocAccount) {
 480         mFile = file;
 481         if (ocAccount != null && (
 482                 mStorageManager == null ||
 483                 (mAccount != null && !mAccount.equals(ocAccount))
 484            )) {
 485             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 486         }
 487         mAccount = ocAccount;
 488         updateFileDetails(false);
 489     }
 490
 491
 492     /**
 493      * Updates the view with all relevant details about that file.
 494      *
 495      * TODO Remove parameter when the transferring state of files is kept in database.
 496      *
 497      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 498      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 499      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 500      *
 501      */
 502     public void updateFileDetails(boolean transferring) {
 503
 504         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 505
 506             // set file details
 507             setFilename(mFile.getFileName());
 508             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 509                     .getMimetype()));
 510             setFilesize(mFile.getFileLength());
 511             if(ocVersionSupportsTimeCreated()){
 512                 setTimeCreated(mFile.getCreationTimestamp());
 513             }
 514
 515             setTimeModified(mFile.getModificationTimestamp());
 516
 517             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 518             cb.setChecked(mFile.keepInSync());
 519
 520             // configure UI for depending upon local state of the file
 521             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 522             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 523             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 524             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 525                 setButtonsForTransferring();
 526
 527             } else if (mFile.isDown()) {
 528                 // Update preview
 529                 if (mFile.getMimetype().startsWith("image/")) {
 530                     BitmapLoader bl = new BitmapLoader();
 531                     bl.execute(new String[]{mFile.getStoragePath()});
 532                 }
 533
 534                 setButtonsForDown();
 535
 536             } else {
 537                 // TODO load default preview image; when the local file is removed, the preview remains there
 538                 setButtonsForRemote();
 539             }
 540         }
 541         getView().invalidate();
 542     }
 543
 544
 545     /**
 546      * Updates the filename in view
 547      * @param filename to set
 548      */
 549     private void setFilename(String filename) {
 550         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 551         if (tv != null)
 552             tv.setText(filename);
 553     }
 554
 555     /**
 556      * Updates the MIME type in view
 557      * @param mimetype to set
 558      */
 559     private void setFiletype(String mimetype) {
 560         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 561         if (tv != null)
 562             tv.setText(mimetype);
 563     }
 564
 565     /**
 566      * Updates the file size in view
 567      * @param filesize in bytes to set
 568      */
 569     private void setFilesize(long filesize) {
 570         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 571         if (tv != null)
 572             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 573     }
 574
 575     /**
 576      * Updates the time that the file was created in view
 577      * @param milliseconds Unix time to set
 578      */
 579     private void setTimeCreated(long milliseconds){
 580         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 581         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 582         if(tv != null){
 583             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 584             tv.setVisibility(View.VISIBLE);
 585             tvLabel.setVisibility(View.VISIBLE);
 586         }
 587     }
 588
 589     /**
 590      * Updates the time that the file was last modified
 591      * @param milliseconds Unix time to set
 592      */
 593     private void setTimeModified(long milliseconds){
 594         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 595         if(tv != null){
 596             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 597         }
 598     }
 599
 600     /**
 601      * Enables or disables buttons for a file being downloaded
 602      */
 603     private void setButtonsForTransferring() {
 604         if (!isEmpty()) {
 605             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 606             downloadButton.setText(R.string.common_cancel);
 607             //downloadButton.setEnabled(false);
 608
 609             // let's protect the user from himself ;)
 610             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 611             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 612             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 613             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 614         }
 615     }
 616
 617     /**
 618      * Enables or disables buttons for a file locally available
 619      */
 620     private void setButtonsForDown() {
 621         if (!isEmpty()) {
 622             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 623             downloadButton.setText(R.string.filedetails_sync_file);
 624
 625             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 626             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 627             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 628             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 629         }
 630     }
 631
 632     /**
 633      * Enables or disables buttons for a file not locally available
 634      */
 635     private void setButtonsForRemote() {
 636         if (!isEmpty()) {
 637             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 638             downloadButton.setText(R.string.filedetails_download);
 639
 640             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 641             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 642             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 643             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 644         }
 645     }
 646
 647
 648     /**
 649      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 650      * the time that the file was created. There is a chance that this will
 651      * be fixed in future versions. Use this method to check if this version of
 652      * ownCloud has this fix.
 653      * @return True, if ownCloud the ownCloud version is supporting creation time
 654      */
 655     private boolean ocVersionSupportsTimeCreated(){
 656         /*if(mAccount != null){
 657             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 658             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 659                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 660             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 661                 return true;
 662             }
 663         }*/
 664         return false;
 665     }
 666
 667
 668     /**
 669      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 670      *
 671      * @author David A. Velasco
 672      */
 673     public interface ContainerActivity extends TransferServiceGetter {
 674
 675         /**
 676          * Callback method invoked when the detail fragment wants to notice its container
 677          * activity about a relevant state the file shown by the fragment.
 678          *
 679          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 680          *
 681          * Currently called when:
 682          *  - a download is started;
 683          *  - a rename is completed;
 684          *  - a deletion is completed;
 685          *  - the 'inSync' flag is changed;
 686          */
 687         public void onFileStateChanged();
 688
 689     }
 690
 691
 692     /**
 693      * Once the file download has finished -> update view
 694      * @author Bartek Przybylski
 695      */
 696     private class DownloadFinishReceiver extends BroadcastReceiver {
 697         @Override
 698         public void onReceive(Context context, Intent intent) {
 699             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 700
 701             if (!isEmpty() && accountName.equals(mAccount.name)) {
 702                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 703                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 704                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 705                     if (downloadWasFine) {
 706                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 707                     }
 708                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 709                 }
 710             }
 711         }
 712     }
 713
 714
 715     /**
 716      * Once the file upload has finished -> update view
 717      *
 718      * Being notified about the finish of an upload is necessary for the next sequence:
 719      *   1. Upload a big file.
 720      *   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
 721      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 722      *   3. Click the file in the list to see its details.
 723      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 724      */
 725     private class UploadFinishReceiver extends BroadcastReceiver {
 726         @Override
 727         public void onReceive(Context context, Intent intent) {
 728             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 729
 730             if (!isEmpty() && accountName.equals(mAccount.name)) {
 731                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 732                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 733                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 734                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 735                     renamedInUpload) {
 736                     if (uploadWasFine) {
 737                         mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 738                     }
 739                     if (renamedInUpload) {
 740                         String newName = (new File(uploadRemotePath)).getName();
 741                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 742                         msg.show();
 743                         getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 744                     }
 745                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 746                 }
 747             }
 748         }
 749     }
 750
 751
 752     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 753     /*
 754     @SuppressWarnings("unused")
 755     private class ShareRunnable implements Runnable {
 756         private String mPath;
 757
 758         public ShareRunnable(String path) {
 759             mPath = path;
 760         }
 761
 762         public void run() {
 763             AccountManager am = AccountManager.get(getActivity());
 764             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 765             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 766             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 767
 768             Log.d("share", "sharing for version " + ocv.toString());
 769
 770             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 771                 String APPS_PATH = "/apps/files_sharing/";
 772                 String SHARE_PATH = "ajax/share.php";
 773
 774                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 775
 776                 final String WEBDAV_SCRIPT = "webdav.php";
 777                 final String WEBDAV_FILES_LOCATION = "/files/";
 778
 779                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 780                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 781                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 782
 783                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 784                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 785
 786                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 787
 788                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 789                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 790                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 791                 Log.d("share", mPath+"");
 792                 formparams.add(new BasicNameValuePair("sources",mPath));
 793                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 794                 formparams.add(new BasicNameValuePair("permissions", "0"));
 795                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 796
 797                 int status;
 798                 try {
 799                     PropFindMethod find = new PropFindMethod(url+"/");
 800                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 801                     Log.d("sharer", ""+ url+"/");
 802
 803                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 804                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 805                     }
 806
 807                     int status2 = wc.executeMethod(find);
 808
 809                     Log.d("sharer", "propstatus "+status2);
 810
 811                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 812                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 813
 814                     status2 = wc.executeMethod(get);
 815
 816                     Log.d("sharer", "getstatus "+status2);
 817                     Log.d("sharer", "" + get.getResponseBodyAsString());
 818
 819                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 820                         Log.d("sharer", a.getName() + ":"+a.getValue());
 821                     }
 822
 823                     status = wc.executeMethod(post);
 824                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 825                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 826                     }
 827                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 828                         Log.d("sharer", a.getName() + ":"+a.getValue());
 829                     }
 830                     String resp = post.getResponseBodyAsString();
 831                     Log.d("share", ""+post.getURI().toString());
 832                     Log.d("share", "returned status " + status);
 833                     Log.d("share", " " +resp);
 834
 835                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 836                         return;
 837                      }
 838
 839                     JSONObject jsonObject = new JSONObject (resp);
 840                     String jsonStatus = jsonObject.getString("status");
 841                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 842
 843                     String token = jsonObject.getString("data");
 844                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 845                     Log.d("Actions:shareFile ok", "url: " + uri);
 846
 847                 } catch (Exception e) {
 848                     e.printStackTrace();
 849                 }
 850
 851             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 852
 853             }
 854         }
 855     }
 856     */
 857
 858     public void onDismiss(EditNameDialog dialog) {
 859         if (dialog.getResult()) {
 860             String newFilename = dialog.getNewFilename();
 861             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 862             mLastRemoteOperation = new RenameFileOperation( mFile,
 863                                                             mAccount,
 864                                                             newFilename,
 865                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 866             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler);
 867             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 868             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 869         }
 870     }
 871
 872
 873     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 874         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 875                 @Override
 876         protected Bitmap doInBackground(String... params) {
 877             Bitmap result = null;
 878             if (params.length != 1) return result;
 879             String storagePath = params[0];
 880             try {
 881
 882                 BitmapFactory.Options options = new Options();
 883                 options.inScaled = true;
 884                 options.inPurgeable = true;
 885                 options.inJustDecodeBounds = true;
 886                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 887                     options.inPreferQualityOverSpeed = false;
 888                 }
 889                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 890                     options.inMutable = false;
 891                 }
 892
 893                 result = BitmapFactory.decodeFile(storagePath, options);
 894                 options.inJustDecodeBounds = false;
 895
 896                 int width = options.outWidth;
 897                 int height = options.outHeight;
 898                 int scale = 1;
 899                 if (width >= 2048 || height >= 2048) {
 900                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 901                     options.inSampleSize = scale;
 902                 }
 903                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 904                 Point size = new Point();
 905                 int screenwidth;
 906                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 907                     display.getSize(size);
 908                     screenwidth = size.x;
 909                 } else {
 910                     screenwidth = display.getWidth();
 911                 }
 912
 913                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 914
 915                 if (width > screenwidth) {
 916                     scale = (int) Math.ceil((float)width / screenwidth);
 917                     options.inSampleSize = scale;
 918                 }
 919
 920                 result = BitmapFactory.decodeFile(storagePath, options);
 921
 922                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 923
 924             } catch (OutOfMemoryError e) {
 925                 result = null;
 926                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 927
 928             } catch (NoSuchFieldError e) {
 929                 result = null;
 930                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 931
 932             } catch (Throwable t) {
 933                 result = null;
 934                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 935             }
 936             return result;
 937         }
 938         @Override
 939         protected void onPostExecute(Bitmap result) {
 940             if (result != null && mPreview != null) {
 941                 mPreview.setImageBitmap(result);
 942             }
 943         }
 944
 945     }
 946
 947     /**
 948      * {@inheritDoc}
 949      */
 950     @Override
 951     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 952         if (operation.equals(mLastRemoteOperation)) {
 953             if (operation instanceof RemoveFileOperation) {
 954                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 955
 956             } else if (operation instanceof RenameFileOperation) {
 957                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 958
 959             } else if (operation instanceof SynchronizeFileOperation) {
 960                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 961             }
 962         }
 963     }
 964
 965
 966     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 967         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 968         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 969
 970         if (result.isSuccess()) {
 971             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 972             msg.show();
 973             if (inDisplayActivity) {
 974                 // double pane
 975                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 976                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 977                 transaction.commit();
 978                 mContainerActivity.onFileStateChanged();
 979             } else {
 980                 getActivity().finish();
 981             }
 982
 983         } else {
 984             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 985             msg.show();
 986             if (result.isSslRecoverableException()) {
 987                 // TODO show the SSL warning dialog
 988             }
 989         }
 990     }
 991
 992     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 993         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 994         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 995
 996         if (result.isSuccess()) {
 997             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 998             mContainerActivity.onFileStateChanged();
 999
1000         } else {
1001             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1002                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1003                 msg.show();
1004                 // TODO throw again the new rename dialog
1005             } else {
1006                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1007                 msg.show();
1008                 if (result.isSslRecoverableException()) {
1009                     // TODO show the SSL warning dialog
1010                 }
1011             }
1012         }
1013     }
1014
1015     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1016         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1017         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1018
1019         if (!result.isSuccess()) {
1020             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1021                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1022                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1023                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1024                 startActivity(i);
1025
1026             } else {
1027                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1028                 msg.show();
1029             }
1030
1031             if (mFile.isDown()) {
1032                 setButtonsForDown();
1033
1034             } else {
1035                 setButtonsForRemote();
1036             }
1037
1038         } else {
1039             if (operation.transferWasRequested()) {
1040                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1041                                                             // checking the service to see if the file is downloading results in FALSE
1042             } else {
1043                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1044                 msg.show();
1045                 if (mFile.isDown()) {
1046                     setButtonsForDown();
1047
1048                 } else {
1049                     setButtonsForRemote();
1050                 }
1051             }
1052         }
1053     }
1054
1055 }