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