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

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