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

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