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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui.fragment;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.message.BasicNameValuePair;
  33 import org.apache.http.protocol.HTTP;
  34 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  35 import org.json.JSONObject;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.annotation.SuppressLint;
  40 import android.app.Activity;
  41 import android.content.ActivityNotFoundException;
  42 import android.content.BroadcastReceiver;
  43 import android.content.Context;
  44 import android.content.Intent;
  45 import android.content.IntentFilter;
  46 import android.graphics.Bitmap;
  47 import android.graphics.BitmapFactory;
  48 import android.graphics.BitmapFactory.Options;
  49 import android.graphics.Point;
  50 import android.net.Uri;
  51 import android.os.AsyncTask;
  52 import android.os.Bundle;
  53 import android.os.Handler;
  54 import android.support.v4.app.DialogFragment;
  55 import android.support.v4.app.FragmentTransaction;
  56 import android.util.Log;
  57 import android.view.Display;
  58 import android.view.LayoutInflater;
  59 import android.view.View;
  60 import android.view.View.OnClickListener;
  61 import android.view.ViewGroup;
  62 import android.webkit.MimeTypeMap;
  63 import android.widget.Button;
  64 import android.widget.CheckBox;
  65 import android.widget.ImageView;
  66 import android.widget.TextView;
  67 import android.widget.Toast;
  68
  69 import com.actionbarsherlock.app.SherlockFragment;
  70 import com.owncloud.android.AccountUtils;
  71 import com.owncloud.android.DisplayUtils;
  72 import com.owncloud.android.authenticator.AccountAuthenticator;
  73 import com.owncloud.android.datamodel.FileDataStorageManager;
  74 import com.owncloud.android.datamodel.OCFile;
  75 import com.owncloud.android.files.services.FileDownloader;
  76 import com.owncloud.android.files.services.FileObserverService;
  77 import com.owncloud.android.files.services.FileUploader;
  78 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  79 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  80 import com.owncloud.android.network.OwnCloudClientUtils;
  81 import com.owncloud.android.operations.OnRemoteOperationListener;
  82 import com.owncloud.android.operations.RemoteOperation;
  83 import com.owncloud.android.operations.RemoteOperationResult;
  84 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  85 import com.owncloud.android.operations.RemoveFileOperation;
  86 import com.owncloud.android.operations.RenameFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFileOperation;
  88 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  89 import com.owncloud.android.ui.activity.FileDetailActivity;
  90 import com.owncloud.android.ui.activity.FileDisplayActivity;
  91 import com.owncloud.android.ui.activity.TransferServiceGetter;
  92 import com.owncloud.android.ui.dialog.EditNameDialog;
  93 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  94 import com.owncloud.android.utils.OwnCloudVersion;
  95
  96 import com.owncloud.android.R;
  97 import eu.alefzero.webdav.WebdavClient;
  98 import eu.alefzero.webdav.WebdavUtils;
  99
 100 /**
 101  * This Fragment is used to display the details about a file.
 102  *
 103  * @author Bartek Przybylski
 104  *
 105  */
 106 public class FileDetailFragment extends SherlockFragment implements
 107         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
 108
 109     public static final String EXTRA_FILE = "FILE";
 110     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 111
 112     private FileDetailFragment.ContainerActivity mContainerActivity;
 113
 114     private int mLayout;
 115     private View mView;
 116     private OCFile mFile;
 117     private Account mAccount;
 118     private FileDataStorageManager mStorageManager;
 119     private ImageView mPreview;
 120
 121     private DownloadFinishReceiver mDownloadFinishReceiver;
 122     private UploadFinishReceiver mUploadFinishReceiver;
 123
 124     private Handler mHandler;
 125     private RemoteOperation mLastRemoteOperation;
 126     private DialogFragment mCurrentDialog;
 127
 128     private static final String TAG = FileDetailFragment.class.getSimpleName();
 129     public static final String FTAG = "FileDetails";
 130     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 131
 132
 133     /**
 134      * Creates an empty details fragment.
 135      *
 136      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 137      */
 138     public FileDetailFragment() {
 139         mFile = null;
 140         mAccount = null;
 141         mStorageManager = null;
 142         mLayout = R.layout.file_details_empty;
 143     }
 144
 145
 146     /**
 147      * Creates a details fragment.
 148      *
 149      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 150      *
 151      * @param fileToDetail      An {@link OCFile} to show in the fragment
 152      * @param ocAccount         An ownCloud account; needed to start downloads
 153      */
 154     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 155         mFile = fileToDetail;
 156         mAccount = ocAccount;
 157         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 158         mLayout = R.layout.file_details_empty;
 159     }
 160
 161
 162     @Override
 163     public void onCreate(Bundle savedInstanceState) {
 164         super.onCreate(savedInstanceState);
 165         mHandler = new Handler();
 166     }
 167
 168
 169     @Override
 170     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 171             Bundle savedInstanceState) {
 172         super.onCreateView(inflater, container, savedInstanceState);
 173
 174         if (savedInstanceState != null) {
 175             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 176             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 177         }
 178
 179         if(mFile != null && mAccount != null) {
 180             mLayout = R.layout.file_details_fragment;
 181         }
 182
 183         View view = null;
 184         view = inflater.inflate(mLayout, container, false);
 185         mView = view;
 186
 187         if (mLayout == R.layout.file_details_fragment) {
 188             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 189             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 190             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 191             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 192             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 193             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 194             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 195         }
 196
 197         updateFileDetails(false);
 198         return view;
 199     }
 200
 201
 202     /**
 203      * {@inheritDoc}
 204      */
 205     @Override
 206     public void onAttach(Activity activity) {
 207         super.onAttach(activity);
 208         try {
 209             mContainerActivity = (ContainerActivity) activity;
 210         } catch (ClassCastException e) {
 211             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 212         }
 213     }
 214
 215
 216     /**
 217      * {@inheritDoc}
 218      */
 219     @Override
 220     public void onActivityCreated(Bundle savedInstanceState) {
 221         super.onActivityCreated(savedInstanceState);
 222         if (mAccount != null) {
 223             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 224         }
 225     }
 226
 227
 228     @Override
 229     public void onSaveInstanceState(Bundle outState) {
 230         Log.i(getClass().toString(), "onSaveInstanceState() start");
 231         super.onSaveInstanceState(outState);
 232         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 233         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 234         Log.i(getClass().toString(), "onSaveInstanceState() end");
 235     }
 236
 237
 238     @Override
 239     public void onResume() {
 240         super.onResume();
 241
 242         mDownloadFinishReceiver = new DownloadFinishReceiver();
 243         IntentFilter filter = new IntentFilter(
 244                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 245         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 246
 247         mUploadFinishReceiver = new UploadFinishReceiver();
 248         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 249         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 250
 251         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 252     }
 253
 254     @Override
 255     public void onPause() {
 256         super.onPause();
 257
 258         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 259         mDownloadFinishReceiver = null;
 260
 261         getActivity().unregisterReceiver(mUploadFinishReceiver);
 262         mUploadFinishReceiver = null;
 263
 264         if (mPreview != null) {
 265             mPreview = null;
 266         }
 267     }
 268
 269     @Override
 270     public View getView() {
 271         return super.getView() == null ? mView : super.getView();
 272     }
 273
 274
 275
 276     @Override
 277     public void onClick(View v) {
 278         switch (v.getId()) {
 279             case R.id.fdDownloadBtn: {
 280                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 281                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 282                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 283                     downloaderBinder.cancel(mAccount, mFile);
 284                     if (mFile.isDown()) {
 285                         setButtonsForDown();
 286                     } else {
 287                         setButtonsForRemote();
 288                     }
 289
 290                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 291                     uploaderBinder.cancel(mAccount, mFile);
 292                     if (!mFile.fileExists()) {
 293                         // TODO make something better
 294                         if (getActivity() instanceof FileDisplayActivity) {
 295                             // double pane
 296                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 297                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 298                             transaction.commit();
 299                             mContainerActivity.onFileStateChanged();
 300                         } else {
 301                             getActivity().finish();
 302                         }
 303
 304                     } else if (mFile.isDown()) {
 305                         setButtonsForDown();
 306                     } else {
 307                         setButtonsForRemote();
 308                     }
 309
 310                 } else {
 311                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 312                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 313                     mLastRemoteOperation.execute(wc, this, mHandler);
 314
 315                     // update ui
 316                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 317                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 318                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 319
 320                 }
 321                 break;
 322             }
 323             case R.id.fdKeepInSync: {
 324                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 325                 mFile.setKeepInSync(cb.isChecked());
 326                 mStorageManager.saveFile(mFile);
 327
 328                 /// register the OCFile instance in the observer service to monitor local updates;
 329                 /// if necessary, the file is download
 330                 Intent intent = new Intent(getActivity().getApplicationContext(),
 331                                            FileObserverService.class);
 332                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 333                            (cb.isChecked()?
 334                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 335                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 336                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 337                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 338                 Log.e(TAG, "starting observer service");
 339                 getActivity().startService(intent);
 340
 341                 if (mFile.keepInSync()) {
 342                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 343                 }
 344                 break;
 345             }
 346             case R.id.fdRenameBtn: {
 347                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 348                 dialog.show(getFragmentManager(), "nameeditdialog");
 349                 break;
 350             }
 351             case R.id.fdRemoveBtn: {
 352                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 353                         R.string.confirmation_remove_alert,
 354                         new String[]{mFile.getFileName()},
 355                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 356                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 357                         R.string.common_cancel);
 358                 confDialog.setOnConfirmationListener(this);
 359                 mCurrentDialog = confDialog;
 360                 mCurrentDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 361                 break;
 362             }
 363             case R.id.fdOpenBtn: {
 364                 String storagePath = mFile.getStoragePath();
 365                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 366                 try {
 367                     Intent i = new Intent(Intent.ACTION_VIEW);
 368                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 369                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 370                     startActivity(i);
 371
 372                 } catch (Throwable t) {
 373                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 374                     boolean toastIt = true;
 375                     String mimeType = "";
 376                     try {
 377                         Intent i = new Intent(Intent.ACTION_VIEW);
 378                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 379                         if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 380                             if (mimeType != null) {
 381                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 382                             } else {
 383                                 // desperate try
 384                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 385                             }
 386                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 387                             startActivity(i);
 388                             toastIt = false;
 389                         }
 390
 391                     } catch (IndexOutOfBoundsException e) {
 392                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 393
 394                     } catch (ActivityNotFoundException e) {
 395                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 396
 397                     } catch (Throwable th) {
 398                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 399
 400                     } finally {
 401                         if (toastIt) {
 402                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 403                         }
 404                     }
 405
 406                 }
 407                 break;
 408             }
 409             default:
 410                 Log.e(TAG, "Incorrect view clicked!");
 411         }
 412
 413         /* else if (v.getId() == R.id.fdShareBtn) {
 414             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 415             t.start();
 416         }*/
 417     }
 418
 419
 420     @Override
 421     public void onConfirmation(String callerTag) {
 422         if (callerTag.equals(FTAG_CONFIRMATION)) {
 423             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 424                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 425                                                                 true,
 426                                                                 mStorageManager);
 427                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 428                 mLastRemoteOperation.execute(wc, this, mHandler);
 429
 430                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 431                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 432             }
 433         }
 434         mCurrentDialog.dismiss();
 435         mCurrentDialog = null;
 436     }
 437
 438     @Override
 439     public void onNeutral(String callerTag) {
 440         File f = null;
 441         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 442             f.delete();
 443             mFile.setStoragePath(null);
 444             mStorageManager.saveFile(mFile);
 445             updateFileDetails(mFile, mAccount);
 446         }
 447         mCurrentDialog.dismiss();
 448         mCurrentDialog = null;
 449     }
 450
 451     @Override
 452     public void onCancel(String callerTag) {
 453         Log.d(TAG, "REMOVAL CANCELED");
 454         mCurrentDialog.dismiss();
 455         mCurrentDialog = null;
 456     }
 457
 458
 459     /**
 460      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 461      *
 462      * @return  True when the fragment was created with the empty layout.
 463      */
 464     public boolean isEmpty() {
 465         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 466     }
 467
 468
 469     /**
 470      * Can be used to get the file that is currently being displayed.
 471      * @return The file on the screen.
 472      */
 473     public OCFile getDisplayedFile(){
 474         return mFile;
 475     }
 476
 477     /**
 478      * Use this method to signal this Activity that it shall update its view.
 479      *
 480      * @param file : An {@link OCFile}
 481      */
 482     public void updateFileDetails(OCFile file, Account ocAccount) {
 483         mFile = file;
 484         if (ocAccount != null && (
 485                 mStorageManager == null ||
 486                 (mAccount != null && !mAccount.equals(ocAccount))
 487            )) {
 488             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 489         }
 490         mAccount = ocAccount;
 491         updateFileDetails(false);
 492     }
 493
 494
 495     /**
 496      * Updates the view with all relevant details about that file.
 497      *
 498      * TODO Remove parameter when the transferring state of files is kept in database.
 499      *
 500      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 501      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 502      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 503      *
 504      */
 505     public void updateFileDetails(boolean transferring) {
 506
 507         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 508
 509             // set file details
 510             setFilename(mFile.getFileName());
 511             setFiletype(mFile.getMimetype());
 512             setFilesize(mFile.getFileLength());
 513             if(ocVersionSupportsTimeCreated()){
 514                 setTimeCreated(mFile.getCreationTimestamp());
 515             }
 516
 517             setTimeModified(mFile.getModificationTimestamp());
 518
 519             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 520             cb.setChecked(mFile.keepInSync());
 521
 522             // configure UI for depending upon local state of the file
 523             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 524             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 525             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 526             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 527                 setButtonsForTransferring();
 528
 529             } else if (mFile.isDown()) {
 530                 // Update preview
 531                 if (mFile.getMimetype().startsWith("image/")) {
 532                     BitmapLoader bl = new BitmapLoader();
 533                     bl.execute(new String[]{mFile.getStoragePath()});
 534                 }
 535
 536                 setButtonsForDown();
 537
 538             } else {
 539                 // TODO load default preview image; when the local file is removed, the preview remains there
 540                 setButtonsForRemote();
 541             }
 542         }
 543         getView().invalidate();
 544     }
 545
 546
 547     /**
 548      * Updates the filename in view
 549      * @param filename to set
 550      */
 551     private void setFilename(String filename) {
 552         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 553         if (tv != null)
 554             tv.setText(filename);
 555     }
 556
 557     /**
 558      * Updates the MIME type in view
 559      * @param mimetype to set
 560      */
 561     private void setFiletype(String mimetype) {
 562         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 563         if (tv != null) {
 564             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 565             tv.setText(printableMimetype);
 566         }
 567         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 568         if (iv != null) {
 569             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 570         }
 571     }
 572
 573     /**
 574      * Updates the file size in view
 575      * @param filesize in bytes to set
 576      */
 577     private void setFilesize(long filesize) {
 578         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 579         if (tv != null)
 580             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 581     }
 582
 583     /**
 584      * Updates the time that the file was created in view
 585      * @param milliseconds Unix time to set
 586      */
 587     private void setTimeCreated(long milliseconds){
 588         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 589         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 590         if(tv != null){
 591             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 592             tv.setVisibility(View.VISIBLE);
 593             tvLabel.setVisibility(View.VISIBLE);
 594         }
 595     }
 596
 597     /**
 598      * Updates the time that the file was last modified
 599      * @param milliseconds Unix time to set
 600      */
 601     private void setTimeModified(long milliseconds){
 602         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 603         if(tv != null){
 604             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 605         }
 606     }
 607
 608     /**
 609      * Enables or disables buttons for a file being downloaded
 610      */
 611     private void setButtonsForTransferring() {
 612         if (!isEmpty()) {
 613             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 614             downloadButton.setText(R.string.common_cancel);
 615             //downloadButton.setEnabled(false);
 616
 617             // let's protect the user from himself ;)
 618             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 619             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 620             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 621             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 622         }
 623     }
 624
 625     /**
 626      * Enables or disables buttons for a file locally available
 627      */
 628     private void setButtonsForDown() {
 629         if (!isEmpty()) {
 630             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 631             downloadButton.setText(R.string.filedetails_sync_file);
 632
 633             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 634             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 635             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 636             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 637         }
 638     }
 639
 640     /**
 641      * Enables or disables buttons for a file not locally available
 642      */
 643     private void setButtonsForRemote() {
 644         if (!isEmpty()) {
 645             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 646             downloadButton.setText(R.string.filedetails_download);
 647
 648             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 649             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 650             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 651             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 652         }
 653     }
 654
 655
 656     /**
 657      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 658      * the time that the file was created. There is a chance that this will
 659      * be fixed in future versions. Use this method to check if this version of
 660      * ownCloud has this fix.
 661      * @return True, if ownCloud the ownCloud version is supporting creation time
 662      */
 663     private boolean ocVersionSupportsTimeCreated(){
 664         /*if(mAccount != null){
 665             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 666             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 667                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 668             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 669                 return true;
 670             }
 671         }*/
 672         return false;
 673     }
 674
 675
 676     /**
 677      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 678      *
 679      * @author David A. Velasco
 680      */
 681     public interface ContainerActivity extends TransferServiceGetter {
 682
 683         /**
 684          * Callback method invoked when the detail fragment wants to notice its container
 685          * activity about a relevant state the file shown by the fragment.
 686          *
 687          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 688          *
 689          * Currently called when:
 690          *  - a download is started;
 691          *  - a rename is completed;
 692          *  - a deletion is completed;
 693          *  - the 'inSync' flag is changed;
 694          */
 695         public void onFileStateChanged();
 696
 697     }
 698
 699
 700     /**
 701      * Once the file download has finished -> update view
 702      * @author Bartek Przybylski
 703      */
 704     private class DownloadFinishReceiver extends BroadcastReceiver {
 705         @Override
 706         public void onReceive(Context context, Intent intent) {
 707             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 708
 709             if (!isEmpty() && accountName.equals(mAccount.name)) {
 710                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 711                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 712                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 713                     if (downloadWasFine) {
 714                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 715                     }
 716                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 717                 }
 718             }
 719         }
 720     }
 721
 722
 723     /**
 724      * Once the file upload has finished -> update view
 725      *
 726      * Being notified about the finish of an upload is necessary for the next sequence:
 727      *   1. Upload a big file.
 728      *   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
 729      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 730      *   3. Click the file in the list to see its details.
 731      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 732      */
 733     private class UploadFinishReceiver extends BroadcastReceiver {
 734         @Override
 735         public void onReceive(Context context, Intent intent) {
 736             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 737
 738             if (!isEmpty() && accountName.equals(mAccount.name)) {
 739                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 740                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 741                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 742                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 743                     renamedInUpload) {
 744                     if (uploadWasFine) {
 745                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 746                     }
 747                     if (renamedInUpload) {
 748                         String newName = (new File(uploadRemotePath)).getName();
 749                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 750                         msg.show();
 751                     }
 752                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 753                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 754                 }
 755             }
 756         }
 757     }
 758
 759
 760     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 761     @SuppressWarnings("unused")
 762     private class ShareRunnable implements Runnable {
 763         private String mPath;
 764
 765         public ShareRunnable(String path) {
 766             mPath = path;
 767         }
 768
 769         public void run() {
 770             AccountManager am = AccountManager.get(getActivity());
 771             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 772             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 773             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 774
 775             Log.d("share", "sharing for version " + ocv.toString());
 776
 777             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 778                 String APPS_PATH = "/apps/files_sharing/";
 779                 String SHARE_PATH = "ajax/share.php";
 780
 781                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 782
 783                 final String WEBDAV_SCRIPT = "webdav.php";
 784                 final String WEBDAV_FILES_LOCATION = "/files/";
 785
 786                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 787                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 788                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 789
 790                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 791                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 792
 793                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 794
 795                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 796                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 797                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 798                 Log.d("share", mPath+"");
 799                 formparams.add(new BasicNameValuePair("sources",mPath));
 800                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 801                 formparams.add(new BasicNameValuePair("permissions", "0"));
 802                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 803
 804                 int status;
 805                 try {
 806                     PropFindMethod find = new PropFindMethod(url+"/");
 807                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 808                     Log.d("sharer", ""+ url+"/");
 809
 810                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 811                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 812                     }
 813
 814                     int status2 = wc.executeMethod(find);
 815
 816                     Log.d("sharer", "propstatus "+status2);
 817
 818                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 819                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 820
 821                     status2 = wc.executeMethod(get);
 822
 823                     Log.d("sharer", "getstatus "+status2);
 824                     Log.d("sharer", "" + get.getResponseBodyAsString());
 825
 826                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 827                         Log.d("sharer", a.getName() + ":"+a.getValue());
 828                     }
 829
 830                     status = wc.executeMethod(post);
 831                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 832                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 833                     }
 834                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 835                         Log.d("sharer", a.getName() + ":"+a.getValue());
 836                     }
 837                     String resp = post.getResponseBodyAsString();
 838                     Log.d("share", ""+post.getURI().toString());
 839                     Log.d("share", "returned status " + status);
 840                     Log.d("share", " " +resp);
 841
 842                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 843                         return;
 844                      }
 845
 846                     JSONObject jsonObject = new JSONObject (resp);
 847                     String jsonStatus = jsonObject.getString("status");
 848                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 849
 850                     String token = jsonObject.getString("data");
 851                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 852                     Log.d("Actions:shareFile ok", "url: " + uri);
 853
 854                 } catch (Exception e) {
 855                     e.printStackTrace();
 856                 }
 857
 858             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 859
 860             }
 861         }
 862     }
 863
 864     public void onDismiss(EditNameDialog dialog) {
 865         if (dialog.getResult()) {
 866             String newFilename = dialog.getNewFilename();
 867             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 868             mLastRemoteOperation = new RenameFileOperation( mFile,
 869                                                             mAccount,
 870                                                             newFilename,
 871                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 872             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 873             mLastRemoteOperation.execute(wc, this, mHandler);
 874             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 875             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 876         }
 877     }
 878
 879
 880     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 881         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 882                 @Override
 883         protected Bitmap doInBackground(String... params) {
 884             Bitmap result = null;
 885             if (params.length != 1) return result;
 886             String storagePath = params[0];
 887             try {
 888
 889                 BitmapFactory.Options options = new Options();
 890                 options.inScaled = true;
 891                 options.inPurgeable = true;
 892                 options.inJustDecodeBounds = true;
 893                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 894                     options.inPreferQualityOverSpeed = false;
 895                 }
 896                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 897                     options.inMutable = false;
 898                 }
 899
 900                 result = BitmapFactory.decodeFile(storagePath, options);
 901                 options.inJustDecodeBounds = false;
 902
 903                 int width = options.outWidth;
 904                 int height = options.outHeight;
 905                 int scale = 1;
 906                 if (width >= 2048 || height >= 2048) {
 907                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 908                     options.inSampleSize = scale;
 909                 }
 910                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 911                 Point size = new Point();
 912                 int screenwidth;
 913                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 914                     display.getSize(size);
 915                     screenwidth = size.x;
 916                 } else {
 917                     screenwidth = display.getWidth();
 918                 }
 919
 920                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 921
 922                 if (width > screenwidth) {
 923                     scale = (int) Math.ceil((float)width / screenwidth);
 924                     options.inSampleSize = scale;
 925                 }
 926
 927                 result = BitmapFactory.decodeFile(storagePath, options);
 928
 929                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 930
 931             } catch (OutOfMemoryError e) {
 932                 result = null;
 933                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 934
 935             } catch (NoSuchFieldError e) {
 936                 result = null;
 937                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 938
 939             } catch (Throwable t) {
 940                 result = null;
 941                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 942             }
 943             return result;
 944         }
 945         @Override
 946         protected void onPostExecute(Bitmap result) {
 947             if (result != null && mPreview != null) {
 948                 mPreview.setImageBitmap(result);
 949             }
 950         }
 951
 952     }
 953
 954     /**
 955      * {@inheritDoc}
 956      */
 957     @Override
 958     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 959         if (operation.equals(mLastRemoteOperation)) {
 960             if (operation instanceof RemoveFileOperation) {
 961                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 962
 963             } else if (operation instanceof RenameFileOperation) {
 964                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 965
 966             } else if (operation instanceof SynchronizeFileOperation) {
 967                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 968             }
 969         }
 970     }
 971
 972
 973     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 974         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 975         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 976
 977         if (result.isSuccess()) {
 978             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 979             msg.show();
 980             if (inDisplayActivity) {
 981                 // double pane
 982                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 983                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 984                 transaction.commit();
 985                 mContainerActivity.onFileStateChanged();
 986             } else {
 987                 getActivity().finish();
 988             }
 989
 990         } else {
 991             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 992             msg.show();
 993             if (result.isSslRecoverableException()) {
 994                 // TODO show the SSL warning dialog
 995             }
 996         }
 997     }
 998
 999     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1000         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1001         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1002
1003         if (result.isSuccess()) {
1004             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1005             mContainerActivity.onFileStateChanged();
1006
1007         } else {
1008             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1009                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1010                 msg.show();
1011                 // TODO throw again the new rename dialog
1012             } else {
1013                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1014                 msg.show();
1015                 if (result.isSslRecoverableException()) {
1016                     // TODO show the SSL warning dialog
1017                 }
1018             }
1019         }
1020     }
1021
1022     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1023         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1024         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1025
1026         if (!result.isSuccess()) {
1027             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1028                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1029                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1030                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1031                 startActivity(i);
1032
1033             } else {
1034                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1035                 msg.show();
1036             }
1037
1038             if (mFile.isDown()) {
1039                 setButtonsForDown();
1040
1041             } else {
1042                 setButtonsForRemote();
1043             }
1044
1045         } else {
1046             if (operation.transferWasRequested()) {
1047                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1048                                                             // checking the service to see if the file is downloading results in FALSE
1049             } else {
1050                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1051                 msg.show();
1052                 if (mFile.isDown()) {
1053                     setButtonsForDown();
1054
1055                 } else {
1056                     setButtonsForRemote();
1057                 }
1058             }
1059         }
1060     }
1061
1062 }