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