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 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.message.BasicNameValuePair;
  33 import org.apache.http.protocol.HTTP;
  34 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  35 import org.json.JSONObject;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.annotation.SuppressLint;
  40 import android.app.Activity;
  41 import android.content.ActivityNotFoundException;
  42 import android.content.BroadcastReceiver;
  43 import android.content.Context;
  44 import android.content.Intent;
  45 import android.content.IntentFilter;
  46 import android.graphics.Bitmap;
  47 import android.graphics.BitmapFactory;
  48 import android.graphics.BitmapFactory.Options;
  49 import android.graphics.Point;
  50 import android.net.Uri;
  51 import android.os.AsyncTask;
  52 import android.os.Bundle;
  53 import android.os.Handler;
  54 import android.support.v4.app.DialogFragment;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.util.Log;
  57 import android.view.Display;
  58 import android.view.LayoutInflater;
  59 import android.view.View;
  60 import android.view.View.OnClickListener;
  61 import android.view.ViewGroup;
  62 import android.webkit.MimeTypeMap;
  63 import android.widget.Button;
  64 import android.widget.CheckBox;
  65 import android.widget.ImageView;
  66 import android.widget.TextView;
  67 import android.widget.Toast;
  68
  69 import com.actionbarsherlock.app.SherlockFragment;
  70 import com.owncloud.android.AccountUtils;
  71 import com.owncloud.android.DisplayUtils;
  72 import com.owncloud.android.Log_OC;
  73 import com.owncloud.android.authenticator.AccountAuthenticator;
  74 import com.owncloud.android.datamodel.FileDataStorageManager;
  75 import com.owncloud.android.datamodel.OCFile;
  76 import com.owncloud.android.files.services.FileDownloader;
  77 import com.owncloud.android.files.services.FileObserverService;
  78 import com.owncloud.android.files.services.FileUploader;
  79 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  80 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  81 import com.owncloud.android.network.OwnCloudClientUtils;
  82 import com.owncloud.android.operations.OnRemoteOperationListener;
  83 import com.owncloud.android.operations.RemoteOperation;
  84 import com.owncloud.android.operations.RemoteOperationResult;
  85 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  86 import com.owncloud.android.operations.RemoveFileOperation;
  87 import com.owncloud.android.operations.RenameFileOperation;
  88 import com.owncloud.android.operations.SynchronizeFileOperation;
  89 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  90 import com.owncloud.android.ui.activity.FileDetailActivity;
  91 import com.owncloud.android.ui.activity.FileDisplayActivity;
  92 import com.owncloud.android.ui.activity.TransferServiceGetter;
  93 import com.owncloud.android.ui.dialog.EditNameDialog;
  94 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  95 import com.owncloud.android.utils.OwnCloudVersion;
  96
  97 import com.owncloud.android.R;
  98 import eu.alefzero.webdav.WebdavClient;
  99 import eu.alefzero.webdav.WebdavUtils;
 100
 101 /**
 102  * This Fragment is used to display the details about a file.
 103  *
 104  * @author Bartek Przybylski
 105  *
 106  */
 107 public class FileDetailFragment extends SherlockFragment implements
 108         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
 109
 110     public static final String EXTRA_FILE = "FILE";
 111     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 112
 113     private FileDetailFragment.ContainerActivity mContainerActivity;
 114
 115     private int mLayout;
 116     private View mView;
 117     private OCFile mFile;
 118     private Account mAccount;
 119     private FileDataStorageManager mStorageManager;
 120     private ImageView mPreview;
 121
 122     private DownloadFinishReceiver mDownloadFinishReceiver;
 123     private UploadFinishReceiver mUploadFinishReceiver;
 124
 125     private Handler mHandler;
 126     private RemoteOperation mLastRemoteOperation;
 127     private DialogFragment mCurrentDialog;
 128
 129     private static final String TAG = FileDetailFragment.class.getSimpleName();
 130     public static final String FTAG = "FileDetails";
 131     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 132
 133
 134     /**
 135      * Creates an empty details fragment.
 136      *
 137      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 138      */
 139     public FileDetailFragment() {
 140         mFile = null;
 141         mAccount = null;
 142         mStorageManager = null;
 143         mLayout = R.layout.file_details_empty;
 144     }
 145
 146
 147     /**
 148      * Creates a details fragment.
 149      *
 150      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 151      *
 152      * @param fileToDetail      An {@link OCFile} to show in the fragment
 153      * @param ocAccount         An ownCloud account; needed to start downloads
 154      */
 155     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 156         mFile = fileToDetail;
 157         mAccount = ocAccount;
 158         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 159         mLayout = R.layout.file_details_empty;
 160     }
 161
 162
 163     @Override
 164     public void onCreate(Bundle savedInstanceState) {
 165         super.onCreate(savedInstanceState);
 166         mHandler = new Handler();
 167     }
 168
 169
 170     @Override
 171     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 172             Bundle savedInstanceState) {
 173         super.onCreateView(inflater, container, savedInstanceState);
 174
 175         if (savedInstanceState != null) {
 176             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 177             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 178         }
 179
 180         if(mFile != null && mAccount != null) {
 181             mLayout = R.layout.file_details_fragment;
 182         }
 183
 184         View view = null;
 185         view = inflater.inflate(mLayout, container, false);
 186         mView = view;
 187
 188         if (mLayout == R.layout.file_details_fragment) {
 189             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 190             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 191             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 192             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 193             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 194             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 195             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 196         }
 197
 198         updateFileDetails(false);
 199         return view;
 200     }
 201
 202
 203     /**
 204      * {@inheritDoc}
 205      */
 206     @Override
 207     public void onAttach(Activity activity) {
 208         super.onAttach(activity);
 209         try {
 210             mContainerActivity = (ContainerActivity) activity;
 211         } catch (ClassCastException e) {
 212             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 213         }
 214     }
 215
 216
 217     /**
 218      * {@inheritDoc}
 219      */
 220     @Override
 221     public void onActivityCreated(Bundle savedInstanceState) {
 222         super.onActivityCreated(savedInstanceState);
 223         if (mAccount != null) {
 224             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 225         }
 226     }
 227
 228
 229     @Override
 230     public void onSaveInstanceState(Bundle outState) {
 231         Log_OC.i(getClass().toString(), "onSaveInstanceState() start");
 232         super.onSaveInstanceState(outState);
 233         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 234         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 235         Log_OC.i(getClass().toString(), "onSaveInstanceState() end");
 236     }
 237
 238
 239     @Override
 240     public void onResume() {
 241         super.onResume();
 242
 243         mDownloadFinishReceiver = new DownloadFinishReceiver();
 244         IntentFilter filter = new IntentFilter(
 245                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 246         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 247
 248         mUploadFinishReceiver = new UploadFinishReceiver();
 249         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 250         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 251
 252         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 253     }
 254
 255     @Override
 256     public void onPause() {
 257         super.onPause();
 258
 259         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 260         mDownloadFinishReceiver = null;
 261
 262         getActivity().unregisterReceiver(mUploadFinishReceiver);
 263         mUploadFinishReceiver = null;
 264
 265         if (mPreview != null) {
 266             mPreview = null;
 267         }
 268     }
 269
 270     @Override
 271     public View getView() {
 272         return super.getView() == null ? mView : super.getView();
 273     }
 274
 275
 276
 277     @Override
 278     public void onClick(View v) {
 279         switch (v.getId()) {
 280             case R.id.fdDownloadBtn: {
 281                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 282                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 283                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 284                     downloaderBinder.cancel(mAccount, mFile);
 285                     if (mFile.isDown()) {
 286                         setButtonsForDown();
 287                     } else {
 288                         setButtonsForRemote();
 289                     }
 290
 291                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 292                     uploaderBinder.cancel(mAccount, mFile);
 293                     if (!mFile.fileExists()) {
 294                         // TODO make something better
 295                         if (getActivity() instanceof FileDisplayActivity) {
 296                             // double pane
 297                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 298                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 299                             transaction.commit();
 300                             mContainerActivity.onFileStateChanged();
 301                         } else {
 302                             getActivity().finish();
 303                         }
 304
 305                     } else if (mFile.isDown()) {
 306                         setButtonsForDown();
 307                     } else {
 308                         setButtonsForRemote();
 309                     }
 310
 311                 } else {
 312                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 313                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 314                     mLastRemoteOperation.execute(wc, this, mHandler);
 315
 316                     // update ui
 317                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 318                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 319                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 320
 321                 }
 322                 break;
 323             }
 324             case R.id.fdKeepInSync: {
 325                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 326                 mFile.setKeepInSync(cb.isChecked());
 327                 mStorageManager.saveFile(mFile);
 328
 329                 /// register the OCFile instance in the observer service to monitor local updates;
 330                 /// if necessary, the file is download
 331                 Intent intent = new Intent(getActivity().getApplicationContext(),
 332                                            FileObserverService.class);
 333                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 334                            (cb.isChecked()?
 335                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 336                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 337                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 338                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 339                 Log_OC.e(TAG, "starting observer service");
 340                 getActivity().startService(intent);
 341
 342                 if (mFile.keepInSync()) {
 343                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 344                 }
 345                 break;
 346             }
 347             case R.id.fdRenameBtn: {
 348                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 349                 dialog.show(getFragmentManager(), "nameeditdialog");
 350                 break;
 351             }
 352             case R.id.fdRemoveBtn: {
 353                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 354                         R.string.confirmation_remove_alert,
 355                         new String[]{mFile.getFileName()},
 356                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 357                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 358                         R.string.common_cancel);
 359                 confDialog.setOnConfirmationListener(this);
 360                 mCurrentDialog = confDialog;
 361                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 362                 break;
 363             }
 364             case R.id.fdOpenBtn: {
 365                 String storagePath = mFile.getStoragePath();
 366                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 367                 try {
 368                     Intent i = new Intent(Intent.ACTION_VIEW);
 369                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 370                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 371                     startActivity(i);
 372
 373                 } catch (Throwable t) {
 374                     Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 375                     boolean toastIt = true;
 376                     String mimeType = "";
 377                     try {
 378                         Intent i = new Intent(Intent.ACTION_VIEW);
 379                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 380                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 381                             if (mimeType != null) {
 382                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 383                             } else {
 384                                 // desperate try
 385                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 386                             }
 387                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 388                             startActivity(i);
 389                             toastIt = false;
 390                         }
 391
 392                     } catch (IndexOutOfBoundsException e) {
 393                         Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 394
 395                     } catch (ActivityNotFoundException e) {
 396                         Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 397
 398                     } catch (Throwable th) {
 399                         Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 400
 401                     } finally {
 402                         if (toastIt) {
 403                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 404                         }
 405                     }
 406
 407                 }
 408                 break;
 409             }
 410             default:
 411                 Log_OC.e(TAG, "Incorrect view clicked!");
 412         }
 413
 414         /* else if (v.getId() == R.id.fdShareBtn) {
 415             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 416             t.start();
 417         }*/
 418     }
 419
 420
 421     @Override
 422     public void onConfirmation(String callerTag) {
 423         if (callerTag.equals(FTAG_CONFIRMATION)) {
 424             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 425                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 426                                                                 true,
 427                                                                 mStorageManager);
 428                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 429                 mLastRemoteOperation.execute(wc, this, mHandler);
 430
 431                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 432                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 433             }
 434         }
 435         mCurrentDialog.dismiss();
 436         mCurrentDialog = null;
 437     }
 438
 439     @Override
 440     public void onNeutral(String callerTag) {
 441         File f = null;
 442         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 443             f.delete();
 444             mFile.setStoragePath(null);
 445             mStorageManager.saveFile(mFile);
 446             updateFileDetails(mFile, mAccount);
 447         }
 448         mCurrentDialog.dismiss();
 449         mCurrentDialog = null;
 450     }
 451
 452     @Override
 453     public void onCancel(String callerTag) {
 454         Log_OC.d(TAG, "REMOVAL CANCELED");
 455         mCurrentDialog.dismiss();
 456         mCurrentDialog = null;
 457     }
 458
 459
 460     /**
 461      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 462      *
 463      * @return  True when the fragment was created with the empty layout.
 464      */
 465     public boolean isEmpty() {
 466         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 467     }
 468
 469
 470     /**
 471      * Can be used to get the file that is currently being displayed.
 472      * @return The file on the screen.
 473      */
 474     public OCFile getDisplayedFile(){
 475         return mFile;
 476     }
 477
 478     /**
 479      * Use this method to signal this Activity that it shall update its view.
 480      *
 481      * @param file : An {@link OCFile}
 482      */
 483     public void updateFileDetails(OCFile file, Account ocAccount) {
 484         mFile = file;
 485         if (ocAccount != null && (
 486                 mStorageManager == null ||
 487                 (mAccount != null && !mAccount.equals(ocAccount))
 488            )) {
 489             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 490         }
 491         mAccount = ocAccount;
 492         updateFileDetails(false);
 493     }
 494
 495
 496     /**
 497      * Updates the view with all relevant details about that file.
 498      *
 499      * TODO Remove parameter when the transferring state of files is kept in database.
 500      *
 501      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 502      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 503      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 504      *
 505      */
 506     public void updateFileDetails(boolean transferring) {
 507
 508         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 509
 510             // set file details
 511             setFilename(mFile.getFileName());
 512             setFiletype(mFile.getMimetype());
 513             setFilesize(mFile.getFileLength());
 514             if(ocVersionSupportsTimeCreated()){
 515                 setTimeCreated(mFile.getCreationTimestamp());
 516             }
 517
 518             setTimeModified(mFile.getModificationTimestamp());
 519
 520             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 521             cb.setChecked(mFile.keepInSync());
 522
 523             // configure UI for depending upon local state of the file
 524             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 525             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 526             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 527             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 528                 setButtonsForTransferring();
 529
 530             } else if (mFile.isDown()) {
 531                 // Update preview
 532                 if (mFile.getMimetype().startsWith("image/")) {
 533                     BitmapLoader bl = new BitmapLoader();
 534                     bl.execute(new String[]{mFile.getStoragePath()});
 535                 }
 536
 537                 setButtonsForDown();
 538
 539             } else {
 540                 // TODO load default preview image; when the local file is removed, the preview remains there
 541                 setButtonsForRemote();
 542             }
 543         }
 544         getView().invalidate();
 545     }
 546
 547
 548     /**
 549      * Updates the filename in view
 550      * @param filename to set
 551      */
 552     private void setFilename(String filename) {
 553         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 554         if (tv != null)
 555             tv.setText(filename);
 556     }
 557
 558     /**
 559      * Updates the MIME type in view
 560      * @param mimetype to set
 561      */
 562     private void setFiletype(String mimetype) {
 563         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 564         if (tv != null) {
 565             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 566             tv.setText(printableMimetype);
 567         }
 568         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 569         if (iv != null) {
 570             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 571         }
 572     }
 573
 574     /**
 575      * Updates the file size in view
 576      * @param filesize in bytes to set
 577      */
 578     private void setFilesize(long filesize) {
 579         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 580         if (tv != null)
 581             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 582     }
 583
 584     /**
 585      * Updates the time that the file was created in view
 586      * @param milliseconds Unix time to set
 587      */
 588     private void setTimeCreated(long milliseconds){
 589         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 590         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 591         if(tv != null){
 592             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 593             tv.setVisibility(View.VISIBLE);
 594             tvLabel.setVisibility(View.VISIBLE);
 595         }
 596     }
 597
 598     /**
 599      * Updates the time that the file was last modified
 600      * @param milliseconds Unix time to set
 601      */
 602     private void setTimeModified(long milliseconds){
 603         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 604         if(tv != null){
 605             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 606         }
 607     }
 608
 609     /**
 610      * Enables or disables buttons for a file being downloaded
 611      */
 612     private void setButtonsForTransferring() {
 613         if (!isEmpty()) {
 614             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 615             downloadButton.setText(R.string.common_cancel);
 616             //downloadButton.setEnabled(false);
 617
 618             // let's protect the user from himself ;)
 619             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 620             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 621             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 622             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 623         }
 624     }
 625
 626     /**
 627      * Enables or disables buttons for a file locally available
 628      */
 629     private void setButtonsForDown() {
 630         if (!isEmpty()) {
 631             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 632             downloadButton.setText(R.string.filedetails_sync_file);
 633
 634             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 635             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 636             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 637             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 638         }
 639     }
 640
 641     /**
 642      * Enables or disables buttons for a file not locally available
 643      */
 644     private void setButtonsForRemote() {
 645         if (!isEmpty()) {
 646             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 647             downloadButton.setText(R.string.filedetails_download);
 648
 649             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 650             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 651             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 652             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 653         }
 654     }
 655
 656
 657     /**
 658      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 659      * the time that the file was created. There is a chance that this will
 660      * be fixed in future versions. Use this method to check if this version of
 661      * ownCloud has this fix.
 662      * @return True, if ownCloud the ownCloud version is supporting creation time
 663      */
 664     private boolean ocVersionSupportsTimeCreated(){
 665         /*if(mAccount != null){
 666             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 667             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 668                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 669             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 670                 return true;
 671             }
 672         }*/
 673         return false;
 674     }
 675
 676
 677     /**
 678      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 679      *
 680      * @author David A. Velasco
 681      */
 682     public interface ContainerActivity extends TransferServiceGetter {
 683
 684         /**
 685          * Callback method invoked when the detail fragment wants to notice its container
 686          * activity about a relevant state the file shown by the fragment.
 687          *
 688          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 689          *
 690          * Currently called when:
 691          *  - a download is started;
 692          *  - a rename is completed;
 693          *  - a deletion is completed;
 694          *  - the 'inSync' flag is changed;
 695          */
 696         public void onFileStateChanged();
 697
 698     }
 699
 700
 701     /**
 702      * Once the file download has finished -> update view
 703      * @author Bartek Przybylski
 704      */
 705     private class DownloadFinishReceiver extends BroadcastReceiver {
 706         @Override
 707         public void onReceive(Context context, Intent intent) {
 708             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 709
 710             if (!isEmpty() && accountName.equals(mAccount.name)) {
 711                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 712                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 713                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 714                     if (downloadWasFine) {
 715                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 716                     }
 717                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 718                 }
 719             }
 720         }
 721     }
 722
 723
 724     /**
 725      * Once the file upload has finished -> update view
 726      *
 727      * Being notified about the finish of an upload is necessary for the next sequence:
 728      *   1. Upload a big file.
 729      *   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
 730      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 731      *   3. Click the file in the list to see its details.
 732      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 733      */
 734     private class UploadFinishReceiver extends BroadcastReceiver {
 735         @Override
 736         public void onReceive(Context context, Intent intent) {
 737             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 738
 739             if (!isEmpty() && accountName.equals(mAccount.name)) {
 740                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 741                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 742                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 743                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 744                     renamedInUpload) {
 745                     if (uploadWasFine) {
 746                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 747                     }
 748                     if (renamedInUpload) {
 749                         String newName = (new File(uploadRemotePath)).getName();
 750                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 751                         msg.show();
 752                     }
 753                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 754                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 755                 }
 756             }
 757         }
 758     }
 759
 760
 761     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 762     @SuppressWarnings("unused")
 763     private class ShareRunnable implements Runnable {
 764         private String mPath;
 765
 766         public ShareRunnable(String path) {
 767             mPath = path;
 768         }
 769
 770         public void run() {
 771             AccountManager am = AccountManager.get(getActivity());
 772             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 773             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 774             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 775
 776             Log_OC.d("share", "sharing for version " + ocv.toString());
 777
 778             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 779                 String APPS_PATH = "/apps/files_sharing/";
 780                 String SHARE_PATH = "ajax/share.php";
 781
 782                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 783
 784                 final String WEBDAV_SCRIPT = "webdav.php";
 785                 final String WEBDAV_FILES_LOCATION = "/files/";
 786
 787                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 788                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 789                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 790
 791                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 792                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 793
 794                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 795
 796                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 797                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 798                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 799                 Log_OC.d("share", mPath+"");
 800                 formparams.add(new BasicNameValuePair("sources",mPath));
 801                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 802                 formparams.add(new BasicNameValuePair("permissions", "0"));
 803                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 804
 805                 int status;
 806                 try {
 807                     PropFindMethod find = new PropFindMethod(url+"/");
 808                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 809                     Log_OC.d("sharer", ""+ url+"/");
 810
 811                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 812                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
 813                     }
 814
 815                     int status2 = wc.executeMethod(find);
 816
 817                     Log_OC.d("sharer", "propstatus "+status2);
 818
 819                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 820                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 821
 822                     status2 = wc.executeMethod(get);
 823
 824                     Log_OC.d("sharer", "getstatus "+status2);
 825                     Log_OC.d("sharer", "" + get.getResponseBodyAsString());
 826
 827                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 828                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
 829                     }
 830
 831                     status = wc.executeMethod(post);
 832                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 833                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
 834                     }
 835                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 836                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
 837                     }
 838                     String resp = post.getResponseBodyAsString();
 839                     Log_OC.d("share", ""+post.getURI().toString());
 840                     Log_OC.d("share", "returned status " + status);
 841                     Log_OC.d("share", " " +resp);
 842
 843                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 844                         return;
 845                      }
 846
 847                     JSONObject jsonObject = new JSONObject (resp);
 848                     String jsonStatus = jsonObject.getString("status");
 849                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 850
 851                     String token = jsonObject.getString("data");
 852                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 853                     Log_OC.d("Actions:shareFile ok", "url: " + uri);
 854
 855                 } catch (Exception e) {
 856                     e.printStackTrace();
 857                 }
 858
 859             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 860
 861             }
 862         }
 863     }
 864
 865     public void onDismiss(EditNameDialog dialog) {
 866         if (dialog.getResult()) {
 867             String newFilename = dialog.getNewFilename();
 868             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 869             mLastRemoteOperation = new RenameFileOperation( mFile,
 870                                                             mAccount,
 871                                                             newFilename,
 872                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 873             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 874             mLastRemoteOperation.execute(wc, this, mHandler);
 875             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 876             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 877         }
 878     }
 879
 880
 881     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 882         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 883                 @Override
 884         protected Bitmap doInBackground(String... params) {
 885             Bitmap result = null;
 886             if (params.length != 1) return result;
 887             String storagePath = params[0];
 888             try {
 889
 890                 BitmapFactory.Options options = new Options();
 891                 options.inScaled = true;
 892                 options.inPurgeable = true;
 893                 options.inJustDecodeBounds = true;
 894                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 895                     options.inPreferQualityOverSpeed = false;
 896                 }
 897                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 898                     options.inMutable = false;
 899                 }
 900
 901                 result = BitmapFactory.decodeFile(storagePath, options);
 902                 options.inJustDecodeBounds = false;
 903
 904                 int width = options.outWidth;
 905                 int height = options.outHeight;
 906                 int scale = 1;
 907                 if (width >= 2048 || height >= 2048) {
 908                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 909                     options.inSampleSize = scale;
 910                 }
 911                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 912                 Point size = new Point();
 913                 int screenwidth;
 914                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 915                     display.getSize(size);
 916                     screenwidth = size.x;
 917                 } else {
 918                     screenwidth = display.getWidth();
 919                 }
 920
 921                 Log_OC.e("ASD", "W " + width + " SW " + screenwidth);
 922
 923                 if (width > screenwidth) {
 924                     scale = (int) Math.ceil((float)width / screenwidth);
 925                     options.inSampleSize = scale;
 926                 }
 927
 928                 result = BitmapFactory.decodeFile(storagePath, options);
 929
 930                 Log_OC.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 931
 932             } catch (OutOfMemoryError e) {
 933                 result = null;
 934                 Log_OC.e(TAG, "Out of memory occured for file with size " + storagePath);
 935
 936             } catch (NoSuchFieldError e) {
 937                 result = null;
 938                 Log_OC.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 939
 940             } catch (Throwable t) {
 941                 result = null;
 942                 Log_OC.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 943             }
 944             return result;
 945         }
 946         @Override
 947         protected void onPostExecute(Bitmap result) {
 948             if (result != null && mPreview != null) {
 949                 mPreview.setImageBitmap(result);
 950             }
 951         }
 952
 953     }
 954
 955     /**
 956      * {@inheritDoc}
 957      */
 958     @Override
 959     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 960         if (operation.equals(mLastRemoteOperation)) {
 961             if (operation instanceof RemoveFileOperation) {
 962                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 963
 964             } else if (operation instanceof RenameFileOperation) {
 965                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 966
 967             } else if (operation instanceof SynchronizeFileOperation) {
 968                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 969             }
 970         }
 971     }
 972
 973
 974     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 975         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 976         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 977
 978         if (result.isSuccess()) {
 979             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 980             msg.show();
 981             if (inDisplayActivity) {
 982                 // double pane
 983                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 984                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 985                 transaction.commit();
 986                 mContainerActivity.onFileStateChanged();
 987             } else {
 988                 getActivity().finish();
 989             }
 990
 991         } else {
 992             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 993             msg.show();
 994             if (result.isSslRecoverableException()) {
 995                 // TODO show the SSL warning dialog
 996             }
 997         }
 998     }
 999
1000     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1001         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1002         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1003
1004         if (result.isSuccess()) {
1005             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1006             mContainerActivity.onFileStateChanged();
1007
1008         } else {
1009             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1010                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1011                 msg.show();
1012                 // TODO throw again the new rename dialog
1013             } else {
1014                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1015                 msg.show();
1016                 if (result.isSslRecoverableException()) {
1017                     // TODO show the SSL warning dialog
1018                 }
1019             }
1020         }
1021     }
1022
1023     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1024         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1025         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1026
1027         if (!result.isSuccess()) {
1028             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1029                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1030                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1031                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1032                 startActivity(i);
1033
1034             } else {
1035                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1036                 msg.show();
1037             }
1038
1039             if (mFile.isDown()) {
1040                 setButtonsForDown();
1041
1042             } else {
1043                 setButtonsForRemote();
1044             }
1045
1046         } else {
1047             if (operation.transferWasRequested()) {
1048                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1049                                                             // checking the service to see if the file is downloading results in FALSE
1050             } else {
1051                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1052                 msg.show();
1053                 if (mFile.isDown()) {
1054                     setButtonsForDown();
1055
1056                 } else {
1057                     setButtonsForRemote();
1058                 }
1059             }
1060         }
1061     }
1062
1063 }