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