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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 import org.apache.commons.httpclient.methods.GetMethod;
  25 import org.apache.commons.httpclient.methods.PostMethod;
  26 import org.apache.commons.httpclient.methods.StringRequestEntity;
  27 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  28 import org.apache.http.HttpStatus;
  29 import org.apache.http.NameValuePair;
  30 import org.apache.http.client.utils.URLEncodedUtils;
  31 import org.apache.http.message.BasicNameValuePair;
  32 import org.apache.http.protocol.HTTP;
  33 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  34 import org.json.JSONObject;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountManager;
  38 import android.annotation.SuppressLint;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.Context;
  43 import android.content.Intent;
  44 import android.content.IntentFilter;
  45 import android.graphics.Bitmap;
  46 import android.graphics.BitmapFactory;
  47 import android.graphics.BitmapFactory.Options;
  48 import android.graphics.Point;
  49 import android.net.Uri;
  50 import android.os.AsyncTask;
  51 import android.os.Bundle;
  52 import android.os.Handler;
  53 import android.support.v4.app.DialogFragment;
  54 import android.support.v4.app.FragmentTransaction;
  55 import android.util.Log;
  56 import android.view.Display;
  57 import android.view.LayoutInflater;
  58 import android.view.View;
  59 import android.view.View.OnClickListener;
  60 import android.view.ViewGroup;
  61 import android.webkit.MimeTypeMap;
  62 import android.widget.Button;
  63 import android.widget.CheckBox;
  64 import android.widget.ImageView;
  65 import android.widget.TextView;
  66 import android.widget.Toast;
  67
  68 import com.actionbarsherlock.app.SherlockFragment;
  69 import com.owncloud.android.AccountUtils;
  70 import com.owncloud.android.DisplayUtils;
  71 import com.owncloud.android.authenticator.AccountAuthenticator;
  72 import com.owncloud.android.datamodel.FileDataStorageManager;
  73 import com.owncloud.android.datamodel.OCFile;
  74 import com.owncloud.android.files.services.FileDownloader;
  75 import com.owncloud.android.files.services.FileObserverService;
  76 import com.owncloud.android.files.services.FileUploader;
  77 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.network.OwnCloudClientUtils;
  80 import com.owncloud.android.operations.OnRemoteOperationListener;
  81 import com.owncloud.android.operations.RemoteOperation;
  82 import com.owncloud.android.operations.RemoteOperationResult;
  83 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  88 import com.owncloud.android.ui.activity.FileDetailActivity;
  89 import com.owncloud.android.ui.activity.FileDisplayActivity;
  90 import com.owncloud.android.ui.activity.TransferServiceGetter;
  91 import com.owncloud.android.ui.dialog.EditNameDialog;
  92 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  93 import com.owncloud.android.utils.OwnCloudVersion;
  94
  95 import com.owncloud.android.R;
  96 import eu.alefzero.webdav.WebdavClient;
  97 import eu.alefzero.webdav.WebdavUtils;
  98
  99 /**
 100  * This Fragment is used to display the details about a file.
 101  *
 102  * @author Bartek Przybylski
 103  *
 104  */
 105 public class FileDetailFragment extends SherlockFragment implements
 106         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
 107
 108     public static final String EXTRA_FILE = "FILE";
 109     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 110
 111     private FileDetailFragment.ContainerActivity mContainerActivity;
 112
 113     private int mLayout;
 114     private View mView;
 115     private OCFile mFile;
 116     private Account mAccount;
 117     private FileDataStorageManager mStorageManager;
 118     private ImageView mPreview;
 119
 120     private DownloadFinishReceiver mDownloadFinishReceiver;
 121     private UploadFinishReceiver mUploadFinishReceiver;
 122
 123     private Handler mHandler;
 124     private RemoteOperation mLastRemoteOperation;
 125     private DialogFragment mCurrentDialog;
 126
 127     private static final String TAG = FileDetailFragment.class.getSimpleName();
 128     public static final String FTAG = "FileDetails";
 129     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 130
 131
 132     /**
 133      * Creates an empty details fragment.
 134      *
 135      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 136      */
 137     public FileDetailFragment() {
 138         mFile = null;
 139         mAccount = null;
 140         mStorageManager = null;
 141         mLayout = R.layout.file_details_empty;
 142     }
 143
 144
 145     /**
 146      * Creates a details fragment.
 147      *
 148      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 149      *
 150      * @param fileToDetail      An {@link OCFile} to show in the fragment
 151      * @param ocAccount         An ownCloud account; needed to start downloads
 152      */
 153     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 154         mFile = fileToDetail;
 155         mAccount = ocAccount;
 156         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 157         mLayout = R.layout.file_details_empty;
 158     }
 159
 160
 161     @Override
 162     public void onCreate(Bundle savedInstanceState) {
 163         super.onCreate(savedInstanceState);
 164         mHandler = new Handler();
 165     }
 166
 167
 168     @Override
 169     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 170             Bundle savedInstanceState) {
 171         super.onCreateView(inflater, container, savedInstanceState);
 172
 173         if (savedInstanceState != null) {
 174             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 175             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 176         }
 177
 178         if(mFile != null && mAccount != null) {
 179             mLayout = R.layout.file_details_fragment;
 180         }
 181
 182         View view = null;
 183         view = inflater.inflate(mLayout, container, false);
 184         mView = view;
 185
 186         if (mLayout == R.layout.file_details_fragment) {
 187             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 188             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 189             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 190             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 191             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 192             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 193             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 194         }
 195
 196         updateFileDetails(false);
 197         return view;
 198     }
 199
 200
 201     /**
 202      * {@inheritDoc}
 203      */
 204     @Override
 205     public void onAttach(Activity activity) {
 206         super.onAttach(activity);
 207         try {
 208             mContainerActivity = (ContainerActivity) activity;
 209         } catch (ClassCastException e) {
 210             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 211         }
 212     }
 213
 214
 215     /**
 216      * {@inheritDoc}
 217      */
 218     @Override
 219     public void onActivityCreated(Bundle savedInstanceState) {
 220         super.onActivityCreated(savedInstanceState);
 221         if (mAccount != null) {
 222             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 223         }
 224     }
 225
 226
 227     @Override
 228     public void onSaveInstanceState(Bundle outState) {
 229         Log.i(getClass().toString(), "onSaveInstanceState() start");
 230         super.onSaveInstanceState(outState);
 231         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 232         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 233         Log.i(getClass().toString(), "onSaveInstanceState() end");
 234     }
 235
 236
 237     @Override
 238     public void onResume() {
 239         super.onResume();
 240
 241         mDownloadFinishReceiver = new DownloadFinishReceiver();
 242         IntentFilter filter = new IntentFilter(
 243                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 244         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 245
 246         mUploadFinishReceiver = new UploadFinishReceiver();
 247         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 248         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 249
 250         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 251     }
 252
 253     @Override
 254     public void onPause() {
 255         super.onPause();
 256
 257         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 258         mDownloadFinishReceiver = null;
 259
 260         getActivity().unregisterReceiver(mUploadFinishReceiver);
 261         mUploadFinishReceiver = null;
 262
 263         if (mPreview != null) {
 264             mPreview = null;
 265         }
 266     }
 267
 268     @Override
 269     public View getView() {
 270         return super.getView() == null ? mView : super.getView();
 271     }
 272
 273
 274
 275     @Override
 276     public void onClick(View v) {
 277         switch (v.getId()) {
 278             case R.id.fdDownloadBtn: {
 279                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 280                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 281                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 282                     downloaderBinder.cancel(mAccount, mFile);
 283                     if (mFile.isDown()) {
 284                         setButtonsForDown();
 285                     } else {
 286                         setButtonsForRemote();
 287                     }
 288
 289                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 290                     uploaderBinder.cancel(mAccount, mFile);
 291                     if (!mFile.fileExists()) {
 292                         // TODO make something better
 293                         if (getActivity() instanceof FileDisplayActivity) {
 294                             // double pane
 295                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 296                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 297                             transaction.commit();
 298                             mContainerActivity.onFileStateChanged();
 299                         } else {
 300                             getActivity().finish();
 301                         }
 302
 303                     } else if (mFile.isDown()) {
 304                         setButtonsForDown();
 305                     } else {
 306                         setButtonsForRemote();
 307                     }
 308
 309                 } else {
 310                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 311                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 312                     mLastRemoteOperation.execute(wc, this, mHandler);
 313
 314                     // update ui
 315                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 316                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 317                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 318
 319                 }
 320                 break;
 321             }
 322             case R.id.fdKeepInSync: {
 323                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 324                 mFile.setKeepInSync(cb.isChecked());
 325                 mStorageManager.saveFile(mFile);
 326
 327                 /// register the OCFile instance in the observer service to monitor local updates;
 328                 /// if necessary, the file is download
 329                 Intent intent = new Intent(getActivity().getApplicationContext(),
 330                                            FileObserverService.class);
 331                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 332                            (cb.isChecked()?
 333                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 334                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 335                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 336                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 337                 Log.e(TAG, "starting observer service");
 338                 getActivity().startService(intent);
 339
 340                 if (mFile.keepInSync()) {
 341                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 342                 }
 343                 break;
 344             }
 345             case R.id.fdRenameBtn: {
 346                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 347                 dialog.show(getFragmentManager(), "nameeditdialog");
 348                 break;
 349             }
 350             case R.id.fdRemoveBtn: {
 351                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 352                         R.string.confirmation_remove_alert,
 353                         new String[]{mFile.getFileName()},
 354                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 355                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 356                         R.string.common_cancel);
 357                 confDialog.setOnConfirmationListener(this);
 358                 mCurrentDialog = confDialog;
 359                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 360                 break;
 361             }
 362             case R.id.fdOpenBtn: {
 363                 String storagePath = mFile.getStoragePath();
 364                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 365                 try {
 366                     Intent i = new Intent(Intent.ACTION_VIEW);
 367                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 368                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 369                     startActivity(i);
 370
 371                 } catch (Throwable t) {
 372                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 373                     boolean toastIt = true;
 374                     String mimeType = "";
 375                     try {
 376                         Intent i = new Intent(Intent.ACTION_VIEW);
 377                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 378                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 379                             if (mimeType != null) {
 380                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 381                             } else {
 382                                 // desperate try
 383                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 384                             }
 385                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 386                             startActivity(i);
 387                             toastIt = false;
 388                         }
 389
 390                     } catch (IndexOutOfBoundsException e) {
 391                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 392
 393                     } catch (ActivityNotFoundException e) {
 394                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 395
 396                     } catch (Throwable th) {
 397                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 398
 399                     } finally {
 400                         if (toastIt) {
 401                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 402                         }
 403                     }
 404
 405                 }
 406                 break;
 407             }
 408             default:
 409                 Log.e(TAG, "Incorrect view clicked!");
 410         }
 411
 412         /* else if (v.getId() == R.id.fdShareBtn) {
 413             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 414             t.start();
 415         }*/
 416     }
 417
 418
 419     @Override
 420     public void onConfirmation(String callerTag) {
 421         if (callerTag.equals(FTAG_CONFIRMATION)) {
 422             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 423                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 424                                                                 true,
 425                                                                 mStorageManager);
 426                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 427                 mLastRemoteOperation.execute(wc, this, mHandler);
 428
 429                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 430                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 431             }
 432         }
 433         mCurrentDialog.dismiss();
 434         mCurrentDialog = null;
 435     }
 436
 437     @Override
 438     public void onNeutral(String callerTag) {
 439         File f = null;
 440         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 441             f.delete();
 442             mFile.setStoragePath(null);
 443             mStorageManager.saveFile(mFile);
 444             updateFileDetails(mFile, mAccount);
 445         }
 446         mCurrentDialog.dismiss();
 447         mCurrentDialog = null;
 448     }
 449
 450     @Override
 451     public void onCancel(String callerTag) {
 452         Log.d(TAG, "REMOVAL CANCELED");
 453         mCurrentDialog.dismiss();
 454         mCurrentDialog = null;
 455     }
 456
 457
 458     /**
 459      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 460      *
 461      * @return  True when the fragment was created with the empty layout.
 462      */
 463     public boolean isEmpty() {
 464         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 465     }
 466
 467
 468     /**
 469      * Can be used to get the file that is currently being displayed.
 470      * @return The file on the screen.
 471      */
 472     public OCFile getDisplayedFile(){
 473         return mFile;
 474     }
 475
 476     /**
 477      * Use this method to signal this Activity that it shall update its view.
 478      *
 479      * @param file : An {@link OCFile}
 480      */
 481     public void updateFileDetails(OCFile file, Account ocAccount) {
 482         mFile = file;
 483         if (ocAccount != null && (
 484                 mStorageManager == null ||
 485                 (mAccount != null && !mAccount.equals(ocAccount))
 486            )) {
 487             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 488         }
 489         mAccount = ocAccount;
 490         updateFileDetails(false);
 491     }
 492
 493
 494     /**
 495      * Updates the view with all relevant details about that file.
 496      *
 497      * TODO Remove parameter when the transferring state of files is kept in database.
 498      *
 499      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 500      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 501      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 502      *
 503      */
 504     public void updateFileDetails(boolean transferring) {
 505
 506         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 507
 508             // set file details
 509             setFilename(mFile.getFileName());
 510             setFiletype(mFile.getMimetype());
 511             setFilesize(mFile.getFileLength());
 512             if(ocVersionSupportsTimeCreated()){
 513                 setTimeCreated(mFile.getCreationTimestamp());
 514             }
 515
 516             setTimeModified(mFile.getModificationTimestamp());
 517
 518             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 519             cb.setChecked(mFile.keepInSync());
 520
 521             // configure UI for depending upon local state of the file
 522             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 523             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 524             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 525             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 526                 setButtonsForTransferring();
 527
 528             } else if (mFile.isDown()) {
 529                 // Update preview
 530                 if (mFile.getMimetype().startsWith("image/")) {
 531                     BitmapLoader bl = new BitmapLoader();
 532                     bl.execute(new String[]{mFile.getStoragePath()});
 533                 }
 534
 535                 setButtonsForDown();
 536
 537             } else {
 538                 // TODO load default preview image; when the local file is removed, the preview remains there
 539                 setButtonsForRemote();
 540             }
 541         }
 542         getView().invalidate();
 543     }
 544
 545
 546     /**
 547      * Updates the filename in view
 548      * @param filename to set
 549      */
 550     private void setFilename(String filename) {
 551         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 552         if (tv != null)
 553             tv.setText(filename);
 554     }
 555
 556     /**
 557      * Updates the MIME type in view
 558      * @param mimetype to set
 559      */
 560     private void setFiletype(String mimetype) {
 561         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 562         if (tv != null) {
 563             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 564             tv.setText(printableMimetype);
 565         }
 566         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 567         if (iv != null) {
 568             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 569         }
 570     }
 571
 572     /**
 573      * Updates the file size in view
 574      * @param filesize in bytes to set
 575      */
 576     private void setFilesize(long filesize) {
 577         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 578         if (tv != null)
 579             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 580     }
 581
 582     /**
 583      * Updates the time that the file was created in view
 584      * @param milliseconds Unix time to set
 585      */
 586     private void setTimeCreated(long milliseconds){
 587         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 588         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 589         if(tv != null){
 590             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 591             tv.setVisibility(View.VISIBLE);
 592             tvLabel.setVisibility(View.VISIBLE);
 593         }
 594     }
 595
 596     /**
 597      * Updates the time that the file was last modified
 598      * @param milliseconds Unix time to set
 599      */
 600     private void setTimeModified(long milliseconds){
 601         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 602         if(tv != null){
 603             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 604         }
 605     }
 606
 607     /**
 608      * Enables or disables buttons for a file being downloaded
 609      */
 610     private void setButtonsForTransferring() {
 611         if (!isEmpty()) {
 612             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 613             downloadButton.setText(R.string.common_cancel);
 614             //downloadButton.setEnabled(false);
 615
 616             // let's protect the user from himself ;)
 617             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 618             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 619             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 620             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 621         }
 622     }
 623
 624     /**
 625      * Enables or disables buttons for a file locally available
 626      */
 627     private void setButtonsForDown() {
 628         if (!isEmpty()) {
 629             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 630             downloadButton.setText(R.string.filedetails_sync_file);
 631
 632             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 633             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 634             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 635             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 636         }
 637     }
 638
 639     /**
 640      * Enables or disables buttons for a file not locally available
 641      */
 642     private void setButtonsForRemote() {
 643         if (!isEmpty()) {
 644             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 645             downloadButton.setText(R.string.filedetails_download);
 646
 647             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 648             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 649             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 650             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 651         }
 652     }
 653
 654
 655     /**
 656      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 657      * the time that the file was created. There is a chance that this will
 658      * be fixed in future versions. Use this method to check if this version of
 659      * ownCloud has this fix.
 660      * @return True, if ownCloud the ownCloud version is supporting creation time
 661      */
 662     private boolean ocVersionSupportsTimeCreated(){
 663         /*if(mAccount != null){
 664             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 665             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 666                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 667             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 668                 return true;
 669             }
 670         }*/
 671         return false;
 672     }
 673
 674
 675     /**
 676      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 677      *
 678      * @author David A. Velasco
 679      */
 680     public interface ContainerActivity extends TransferServiceGetter {
 681
 682         /**
 683          * Callback method invoked when the detail fragment wants to notice its container
 684          * activity about a relevant state the file shown by the fragment.
 685          *
 686          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 687          *
 688          * Currently called when:
 689          *  - a download is started;
 690          *  - a rename is completed;
 691          *  - a deletion is completed;
 692          *  - the 'inSync' flag is changed;
 693          */
 694         public void onFileStateChanged();
 695
 696     }
 697
 698
 699     /**
 700      * Once the file download has finished -> update view
 701      * @author Bartek Przybylski
 702      */
 703     private class DownloadFinishReceiver extends BroadcastReceiver {
 704         @Override
 705         public void onReceive(Context context, Intent intent) {
 706             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 707
 708             if (!isEmpty() && accountName.equals(mAccount.name)) {
 709                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 710                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 711                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 712                     if (downloadWasFine) {
 713                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 714                     }
 715                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 716                 }
 717             }
 718         }
 719     }
 720
 721
 722     /**
 723      * Once the file upload has finished -> update view
 724      *
 725      * Being notified about the finish of an upload is necessary for the next sequence:
 726      *   1. Upload a big file.
 727      *   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
 728      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 729      *   3. Click the file in the list to see its details.
 730      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 731      */
 732     private class UploadFinishReceiver extends BroadcastReceiver {
 733         @Override
 734         public void onReceive(Context context, Intent intent) {
 735             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 736
 737             if (!isEmpty() && accountName.equals(mAccount.name)) {
 738                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 739                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 740                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 741                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 742                     renamedInUpload) {
 743                     if (uploadWasFine) {
 744                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 745                     }
 746                     if (renamedInUpload) {
 747                         String newName = (new File(uploadRemotePath)).getName();
 748                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 749                         msg.show();
 750                     }
 751                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 752                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 753                 }
 754             }
 755         }
 756     }
 757
 758
 759     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 760     @SuppressWarnings("unused")
 761     private class ShareRunnable implements Runnable {
 762         private String mPath;
 763
 764         public ShareRunnable(String path) {
 765             mPath = path;
 766         }
 767
 768         public void run() {
 769             AccountManager am = AccountManager.get(getActivity());
 770             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 771             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 772             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 773
 774             Log.d("share", "sharing for version " + ocv.toString());
 775
 776             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 777                 String APPS_PATH = "/apps/files_sharing/";
 778                 String SHARE_PATH = "ajax/share.php";
 779
 780                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 781
 782                 final String WEBDAV_SCRIPT = "webdav.php";
 783                 final String WEBDAV_FILES_LOCATION = "/files/";
 784
 785                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 786                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 787                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 788
 789                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 790                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 791
 792                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 793
 794                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 795                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 796                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 797                 Log.d("share", mPath+"");
 798                 formparams.add(new BasicNameValuePair("sources",mPath));
 799                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 800                 formparams.add(new BasicNameValuePair("permissions", "0"));
 801                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 802
 803                 int status;
 804                 try {
 805                     PropFindMethod find = new PropFindMethod(url+"/");
 806                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 807                     Log.d("sharer", ""+ url+"/");
 808
 809                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 810                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 811                     }
 812
 813                     int status2 = wc.executeMethod(find);
 814
 815                     Log.d("sharer", "propstatus "+status2);
 816
 817                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 818                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 819
 820                     status2 = wc.executeMethod(get);
 821
 822                     Log.d("sharer", "getstatus "+status2);
 823                     Log.d("sharer", "" + get.getResponseBodyAsString());
 824
 825                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 826                         Log.d("sharer", a.getName() + ":"+a.getValue());
 827                     }
 828
 829                     status = wc.executeMethod(post);
 830                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 831                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 832                     }
 833                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 834                         Log.d("sharer", a.getName() + ":"+a.getValue());
 835                     }
 836                     String resp = post.getResponseBodyAsString();
 837                     Log.d("share", ""+post.getURI().toString());
 838                     Log.d("share", "returned status " + status);
 839                     Log.d("share", " " +resp);
 840
 841                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 842                         return;
 843                      }
 844
 845                     JSONObject jsonObject = new JSONObject (resp);
 846                     String jsonStatus = jsonObject.getString("status");
 847                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 848
 849                     String token = jsonObject.getString("data");
 850                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 851                     Log.d("Actions:shareFile ok", "url: " + uri);
 852
 853                 } catch (Exception e) {
 854                     e.printStackTrace();
 855                 }
 856
 857             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 858
 859             }
 860         }
 861     }
 862
 863     public void onDismiss(EditNameDialog dialog) {
 864         if (dialog.getResult()) {
 865             String newFilename = dialog.getNewFilename();
 866             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 867             mLastRemoteOperation = new RenameFileOperation( mFile,
 868                                                             mAccount,
 869                                                             newFilename,
 870                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 871             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 872             mLastRemoteOperation.execute(wc, this, mHandler);
 873             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 874             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 875         }
 876     }
 877
 878
 879     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 880         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 881                 @Override
 882         protected Bitmap doInBackground(String... params) {
 883             Bitmap result = null;
 884             if (params.length != 1) return result;
 885             String storagePath = params[0];
 886             try {
 887
 888                 BitmapFactory.Options options = new Options();
 889                 options.inScaled = true;
 890                 options.inPurgeable = true;
 891                 options.inJustDecodeBounds = true;
 892                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 893                     options.inPreferQualityOverSpeed = false;
 894                 }
 895                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 896                     options.inMutable = false;
 897                 }
 898
 899                 result = BitmapFactory.decodeFile(storagePath, options);
 900                 options.inJustDecodeBounds = false;
 901
 902                 int width = options.outWidth;
 903                 int height = options.outHeight;
 904                 int scale = 1;
 905                 if (width >= 2048 || height >= 2048) {
 906                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 907                     options.inSampleSize = scale;
 908                 }
 909                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 910                 Point size = new Point();
 911                 int screenwidth;
 912                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 913                     display.getSize(size);
 914                     screenwidth = size.x;
 915                 } else {
 916                     screenwidth = display.getWidth();
 917                 }
 918
 919                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 920
 921                 if (width > screenwidth) {
 922                     scale = (int) Math.ceil((float)width / screenwidth);
 923                     options.inSampleSize = scale;
 924                 }
 925
 926                 result = BitmapFactory.decodeFile(storagePath, options);
 927
 928                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 929
 930             } catch (OutOfMemoryError e) {
 931                 result = null;
 932                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 933
 934             } catch (NoSuchFieldError e) {
 935                 result = null;
 936                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 937
 938             } catch (Throwable t) {
 939                 result = null;
 940                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 941             }
 942             return result;
 943         }
 944         @Override
 945         protected void onPostExecute(Bitmap result) {
 946             if (result != null && mPreview != null) {
 947                 mPreview.setImageBitmap(result);
 948             }
 949         }
 950
 951     }
 952
 953     /**
 954      * {@inheritDoc}
 955      */
 956     @Override
 957     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 958         if (operation.equals(mLastRemoteOperation)) {
 959             if (operation instanceof RemoveFileOperation) {
 960                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 961
 962             } else if (operation instanceof RenameFileOperation) {
 963                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 964
 965             } else if (operation instanceof SynchronizeFileOperation) {
 966                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 967             }
 968         }
 969     }
 970
 971
 972     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 973         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 974         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 975
 976         if (result.isSuccess()) {
 977             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 978             msg.show();
 979             if (inDisplayActivity) {
 980                 // double pane
 981                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 982                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 983                 transaction.commit();
 984                 mContainerActivity.onFileStateChanged();
 985             } else {
 986                 getActivity().finish();
 987             }
 988
 989         } else {
 990             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 991             msg.show();
 992             if (result.isSslRecoverableException()) {
 993                 // TODO show the SSL warning dialog
 994             }
 995         }
 996     }
 997
 998     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 999         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1000         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1001
1002         if (result.isSuccess()) {
1003             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1004             mContainerActivity.onFileStateChanged();
1005
1006         } else {
1007             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1008                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1009                 msg.show();
1010                 // TODO throw again the new rename dialog
1011             } else {
1012                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1013                 msg.show();
1014                 if (result.isSslRecoverableException()) {
1015                     // TODO show the SSL warning dialog
1016                 }
1017             }
1018         }
1019     }
1020
1021     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1022         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1023         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1024
1025         if (!result.isSuccess()) {
1026             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1027                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1028                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1029                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1030                 startActivity(i);
1031
1032             } else {
1033                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1034                 msg.show();
1035             }
1036
1037             if (mFile.isDown()) {
1038                 setButtonsForDown();
1039
1040             } else {
1041                 setButtonsForRemote();
1042             }
1043
1044         } else {
1045             if (operation.transferWasRequested()) {
1046                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1047                                                             // checking the service to see if the file is downloading results in FALSE
1048             } else {
1049                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1050                 msg.show();
1051                 if (mFile.isDown()) {
1052                     setButtonsForDown();
1053
1054                 } else {
1055                     setButtonsForRemote();
1056                 }
1057             }
1058         }
1059     }
1060
1061 }