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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 import org.apache.commons.httpclient.methods.GetMethod;
  25 import org.apache.commons.httpclient.methods.PostMethod;
  26 import org.apache.commons.httpclient.methods.StringRequestEntity;
  27 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  28 import org.apache.http.HttpStatus;
  29 import org.apache.http.NameValuePair;
  30 import org.apache.http.client.utils.URLEncodedUtils;
  31 import org.apache.http.message.BasicNameValuePair;
  32 import org.apache.http.protocol.HTTP;
  33 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  34 import org.json.JSONObject;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountManager;
  38 import android.annotation.SuppressLint;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.Context;
  43 import android.content.Intent;
  44 import android.content.IntentFilter;
  45 import android.graphics.Bitmap;
  46 import android.graphics.BitmapFactory;
  47 import android.graphics.BitmapFactory.Options;
  48 import android.graphics.Point;
  49 import android.net.Uri;
  50 import android.os.AsyncTask;
  51 import android.os.Bundle;
  52 import android.os.Handler;
  53 import android.support.v4.app.DialogFragment;
  54 import android.support.v4.app.FragmentTransaction;
  55 import android.util.Log;
  56 import android.view.Display;
  57 import android.view.LayoutInflater;
  58 import android.view.View;
  59 import android.view.View.OnClickListener;
  60 import android.view.ViewGroup;
  61 import android.webkit.MimeTypeMap;
  62 import android.widget.Button;
  63 import android.widget.CheckBox;
  64 import android.widget.ImageView;
  65 import android.widget.TextView;
  66 import android.widget.Toast;
  67
  68 import com.actionbarsherlock.app.SherlockFragment;
  69 import com.owncloud.android.AccountUtils;
  70 import com.owncloud.android.DisplayUtils;
  71 import com.owncloud.android.authenticator.AccountAuthenticator;
  72 import com.owncloud.android.datamodel.FileDataStorageManager;
  73 import com.owncloud.android.datamodel.OCFile;
  74 import com.owncloud.android.files.services.FileDownloader;
  75 import com.owncloud.android.files.services.FileObserverService;
  76 import com.owncloud.android.files.services.FileUploader;
  77 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.media.MediaService;
  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                 openFile();
 365                 break;
 366             }
 367             default:
 368                 Log.e(TAG, "Incorrect view clicked!");
 369         }
 370
 371         /* else if (v.getId() == R.id.fdShareBtn) {
 372             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 373             t.start();
 374         }*/
 375     }
 376
 377     /**
 378      * Opens mFile.
 379      */
 380     private void openFile() {
 381
 382         Intent i = new Intent(getActivity(), MediaService.class);
 383         i.putExtra(MediaService.EXTRA_ACCOUNT, mAccount);
 384         i.putExtra(MediaService.EXTRA_FILE, mFile);
 385         i.setAction(MediaService.ACTION_PLAY_FILE);
 386         getActivity().startService(i);
 387
 388         /*
 389         String storagePath = mFile.getStoragePath();
 390         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 391         try {
 392             Intent i = new Intent(Intent.ACTION_VIEW);
 393             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 394             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 395             startActivity(i);
 396
 397         } catch (Throwable t) {
 398             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 399             boolean toastIt = true;
 400             String mimeType = "";
 401             try {
 402                 Intent i = new Intent(Intent.ACTION_VIEW);
 403                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 404                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 405                     if (mimeType != null) {
 406                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 407                     } else {
 408                         // desperate try
 409                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*-/*");
 410                     }
 411                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 412                     startActivity(i);
 413                     toastIt = false;
 414                 }
 415
 416             } catch (IndexOutOfBoundsException e) {
 417                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 418
 419             } catch (ActivityNotFoundException e) {
 420                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 421
 422             } catch (Throwable th) {
 423                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 424
 425             } finally {
 426                 if (toastIt) {
 427                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 428                 }
 429             }
 430
 431         }*/
 432     }
 433
 434
 435     @Override
 436     public void onConfirmation(String callerTag) {
 437         if (callerTag.equals(FTAG_CONFIRMATION)) {
 438             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 439                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 440                                                                 true,
 441                                                                 mStorageManager);
 442                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 443                 mLastRemoteOperation.execute(wc, this, mHandler);
 444
 445                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 446                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 447             }
 448         }
 449         mCurrentDialog.dismiss();
 450         mCurrentDialog = null;
 451     }
 452
 453     @Override
 454     public void onNeutral(String callerTag) {
 455         File f = null;
 456         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 457             f.delete();
 458             mFile.setStoragePath(null);
 459             mStorageManager.saveFile(mFile);
 460             updateFileDetails(mFile, mAccount);
 461         }
 462         mCurrentDialog.dismiss();
 463         mCurrentDialog = null;
 464     }
 465
 466     @Override
 467     public void onCancel(String callerTag) {
 468         Log.d(TAG, "REMOVAL CANCELED");
 469         mCurrentDialog.dismiss();
 470         mCurrentDialog = null;
 471     }
 472
 473
 474     /**
 475      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 476      *
 477      * @return  True when the fragment was created with the empty layout.
 478      */
 479     public boolean isEmpty() {
 480         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 481     }
 482
 483
 484     /**
 485      * Can be used to get the file that is currently being displayed.
 486      * @return The file on the screen.
 487      */
 488     public OCFile getDisplayedFile(){
 489         return mFile;
 490     }
 491
 492     /**
 493      * Use this method to signal this Activity that it shall update its view.
 494      *
 495      * @param file : An {@link OCFile}
 496      */
 497     public void updateFileDetails(OCFile file, Account ocAccount) {
 498         mFile = file;
 499         if (ocAccount != null && (
 500                 mStorageManager == null ||
 501                 (mAccount != null && !mAccount.equals(ocAccount))
 502            )) {
 503             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 504         }
 505         mAccount = ocAccount;
 506         updateFileDetails(false);
 507     }
 508
 509
 510     /**
 511      * Updates the view with all relevant details about that file.
 512      *
 513      * TODO Remove parameter when the transferring state of files is kept in database.
 514      *
 515      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 516      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 517      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 518      *
 519      */
 520     public void updateFileDetails(boolean transferring) {
 521
 522         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 523
 524             // set file details
 525             setFilename(mFile.getFileName());
 526             setFiletype(mFile.getMimetype());
 527             setFilesize(mFile.getFileLength());
 528             if(ocVersionSupportsTimeCreated()){
 529                 setTimeCreated(mFile.getCreationTimestamp());
 530             }
 531
 532             setTimeModified(mFile.getModificationTimestamp());
 533
 534             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 535             cb.setChecked(mFile.keepInSync());
 536
 537             // configure UI for depending upon local state of the file
 538             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 539             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 540             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 541             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 542                 setButtonsForTransferring();
 543
 544             } else if (mFile.isDown()) {
 545                 // Update preview
 546                 if (mFile.getMimetype().startsWith("image/")) {
 547                     BitmapLoader bl = new BitmapLoader();
 548                     bl.execute(new String[]{mFile.getStoragePath()});
 549                 }
 550
 551                 setButtonsForDown();
 552
 553             } else {
 554                 // TODO load default preview image; when the local file is removed, the preview remains there
 555                 setButtonsForRemote();
 556             }
 557         }
 558         getView().invalidate();
 559     }
 560
 561
 562     /**
 563      * Updates the filename in view
 564      * @param filename to set
 565      */
 566     private void setFilename(String filename) {
 567         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 568         if (tv != null)
 569             tv.setText(filename);
 570     }
 571
 572     /**
 573      * Updates the MIME type in view
 574      * @param mimetype to set
 575      */
 576     private void setFiletype(String mimetype) {
 577         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 578         if (tv != null) {
 579             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 580             tv.setText(printableMimetype);
 581         }
 582         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 583         if (iv != null) {
 584             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 585         }
 586     }
 587
 588     /**
 589      * Updates the file size in view
 590      * @param filesize in bytes to set
 591      */
 592     private void setFilesize(long filesize) {
 593         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 594         if (tv != null)
 595             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 596     }
 597
 598     /**
 599      * Updates the time that the file was created in view
 600      * @param milliseconds Unix time to set
 601      */
 602     private void setTimeCreated(long milliseconds){
 603         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 604         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 605         if(tv != null){
 606             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 607             tv.setVisibility(View.VISIBLE);
 608             tvLabel.setVisibility(View.VISIBLE);
 609         }
 610     }
 611
 612     /**
 613      * Updates the time that the file was last modified
 614      * @param milliseconds Unix time to set
 615      */
 616     private void setTimeModified(long milliseconds){
 617         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 618         if(tv != null){
 619             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 620         }
 621     }
 622
 623     /**
 624      * Enables or disables buttons for a file being downloaded
 625      */
 626     private void setButtonsForTransferring() {
 627         if (!isEmpty()) {
 628             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 629             downloadButton.setText(R.string.common_cancel);
 630             //downloadButton.setEnabled(false);
 631
 632             // let's protect the user from himself ;)
 633             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 634             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 635             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 636             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 637         }
 638     }
 639
 640     /**
 641      * Enables or disables buttons for a file locally available
 642      */
 643     private void setButtonsForDown() {
 644         if (!isEmpty()) {
 645             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 646             downloadButton.setText(R.string.filedetails_sync_file);
 647
 648             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 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      * Enables or disables buttons for a file not locally available
 657      */
 658     private void setButtonsForRemote() {
 659         if (!isEmpty()) {
 660             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 661             downloadButton.setText(R.string.filedetails_download);
 662
 663             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 664             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 665             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 666             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 667         }
 668     }
 669
 670
 671     /**
 672      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 673      * the time that the file was created. There is a chance that this will
 674      * be fixed in future versions. Use this method to check if this version of
 675      * ownCloud has this fix.
 676      * @return True, if ownCloud the ownCloud version is supporting creation time
 677      */
 678     private boolean ocVersionSupportsTimeCreated(){
 679         /*if(mAccount != null){
 680             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 681             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 682                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 683             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 684                 return true;
 685             }
 686         }*/
 687         return false;
 688     }
 689
 690
 691     /**
 692      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 693      *
 694      * @author David A. Velasco
 695      */
 696     public interface ContainerActivity extends TransferServiceGetter {
 697
 698         /**
 699          * Callback method invoked when the detail fragment wants to notice its container
 700          * activity about a relevant state the file shown by the fragment.
 701          *
 702          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 703          *
 704          * Currently called when:
 705          *  - a download is started;
 706          *  - a rename is completed;
 707          *  - a deletion is completed;
 708          *  - the 'inSync' flag is changed;
 709          */
 710         public void onFileStateChanged();
 711
 712     }
 713
 714
 715     /**
 716      * Once the file download has finished -> update view
 717      * @author Bartek Przybylski
 718      */
 719     private class DownloadFinishReceiver extends BroadcastReceiver {
 720         @Override
 721         public void onReceive(Context context, Intent intent) {
 722             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 723
 724             if (!isEmpty() && accountName.equals(mAccount.name)) {
 725                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 726                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 727                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 728                     if (downloadWasFine) {
 729                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 730                     }
 731                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 732                 }
 733             }
 734         }
 735     }
 736
 737
 738     /**
 739      * Once the file upload has finished -> update view
 740      *
 741      * Being notified about the finish of an upload is necessary for the next sequence:
 742      *   1. Upload a big file.
 743      *   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
 744      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 745      *   3. Click the file in the list to see its details.
 746      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 747      */
 748     private class UploadFinishReceiver extends BroadcastReceiver {
 749         @Override
 750         public void onReceive(Context context, Intent intent) {
 751             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 752
 753             if (!isEmpty() && accountName.equals(mAccount.name)) {
 754                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 755                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 756                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 757                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 758                     renamedInUpload) {
 759                     if (uploadWasFine) {
 760                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 761                     }
 762                     if (renamedInUpload) {
 763                         String newName = (new File(uploadRemotePath)).getName();
 764                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 765                         msg.show();
 766                     }
 767                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 768                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 769                 }
 770             }
 771         }
 772     }
 773
 774
 775     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 776     @SuppressWarnings("unused")
 777     private class ShareRunnable implements Runnable {
 778         private String mPath;
 779
 780         public ShareRunnable(String path) {
 781             mPath = path;
 782         }
 783
 784         public void run() {
 785             AccountManager am = AccountManager.get(getActivity());
 786             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 787             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 788             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 789
 790             Log.d("share", "sharing for version " + ocv.toString());
 791
 792             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 793                 String APPS_PATH = "/apps/files_sharing/";
 794                 String SHARE_PATH = "ajax/share.php";
 795
 796                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 797
 798                 final String WEBDAV_SCRIPT = "webdav.php";
 799                 final String WEBDAV_FILES_LOCATION = "/files/";
 800
 801                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 802                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 803                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 804
 805                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 806                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 807
 808                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 809
 810                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 811                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 812                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 813                 Log.d("share", mPath+"");
 814                 formparams.add(new BasicNameValuePair("sources",mPath));
 815                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 816                 formparams.add(new BasicNameValuePair("permissions", "0"));
 817                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 818
 819                 int status;
 820                 try {
 821                     PropFindMethod find = new PropFindMethod(url+"/");
 822                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 823                     Log.d("sharer", ""+ url+"/");
 824
 825                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 826                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 827                     }
 828
 829                     int status2 = wc.executeMethod(find);
 830
 831                     Log.d("sharer", "propstatus "+status2);
 832
 833                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 834                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 835
 836                     status2 = wc.executeMethod(get);
 837
 838                     Log.d("sharer", "getstatus "+status2);
 839                     Log.d("sharer", "" + get.getResponseBodyAsString());
 840
 841                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 842                         Log.d("sharer", a.getName() + ":"+a.getValue());
 843                     }
 844
 845                     status = wc.executeMethod(post);
 846                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 847                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 848                     }
 849                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 850                         Log.d("sharer", a.getName() + ":"+a.getValue());
 851                     }
 852                     String resp = post.getResponseBodyAsString();
 853                     Log.d("share", ""+post.getURI().toString());
 854                     Log.d("share", "returned status " + status);
 855                     Log.d("share", " " +resp);
 856
 857                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 858                         return;
 859                      }
 860
 861                     JSONObject jsonObject = new JSONObject (resp);
 862                     String jsonStatus = jsonObject.getString("status");
 863                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 864
 865                     String token = jsonObject.getString("data");
 866                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 867                     Log.d("Actions:shareFile ok", "url: " + uri);
 868
 869                 } catch (Exception e) {
 870                     e.printStackTrace();
 871                 }
 872
 873             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 874
 875             }
 876         }
 877     }
 878
 879     public void onDismiss(EditNameDialog dialog) {
 880         if (dialog.getResult()) {
 881             String newFilename = dialog.getNewFilename();
 882             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 883             mLastRemoteOperation = new RenameFileOperation( mFile,
 884                                                             mAccount,
 885                                                             newFilename,
 886                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 887             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 888             mLastRemoteOperation.execute(wc, this, mHandler);
 889             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 890             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 891         }
 892     }
 893
 894
 895     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 896         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 897                 @Override
 898         protected Bitmap doInBackground(String... params) {
 899             Bitmap result = null;
 900             if (params.length != 1) return result;
 901             String storagePath = params[0];
 902             try {
 903
 904                 BitmapFactory.Options options = new Options();
 905                 options.inScaled = true;
 906                 options.inPurgeable = true;
 907                 options.inJustDecodeBounds = true;
 908                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 909                     options.inPreferQualityOverSpeed = false;
 910                 }
 911                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 912                     options.inMutable = false;
 913                 }
 914
 915                 result = BitmapFactory.decodeFile(storagePath, options);
 916                 options.inJustDecodeBounds = false;
 917
 918                 int width = options.outWidth;
 919                 int height = options.outHeight;
 920                 int scale = 1;
 921                 if (width >= 2048 || height >= 2048) {
 922                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
 923                     options.inSampleSize = scale;
 924                 }
 925                 Display display = getActivity().getWindowManager().getDefaultDisplay();
 926                 Point size = new Point();
 927                 int screenwidth;
 928                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 929                     display.getSize(size);
 930                     screenwidth = size.x;
 931                 } else {
 932                     screenwidth = display.getWidth();
 933                 }
 934
 935                 Log.e("ASD", "W " + width + " SW " + screenwidth);
 936
 937                 if (width > screenwidth) {
 938                     scale = (int) Math.ceil((float)width / screenwidth);
 939                     options.inSampleSize = scale;
 940                 }
 941
 942                 result = BitmapFactory.decodeFile(storagePath, options);
 943
 944                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
 945
 946             } catch (OutOfMemoryError e) {
 947                 result = null;
 948                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
 949
 950             } catch (NoSuchFieldError e) {
 951                 result = null;
 952                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
 953
 954             } catch (Throwable t) {
 955                 result = null;
 956                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
 957             }
 958             return result;
 959         }
 960         @Override
 961         protected void onPostExecute(Bitmap result) {
 962             if (result != null && mPreview != null) {
 963                 mPreview.setImageBitmap(result);
 964             }
 965         }
 966
 967     }
 968
 969     /**
 970      * {@inheritDoc}
 971      */
 972     @Override
 973     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 974         if (operation.equals(mLastRemoteOperation)) {
 975             if (operation instanceof RemoveFileOperation) {
 976                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 977
 978             } else if (operation instanceof RenameFileOperation) {
 979                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 980
 981             } else if (operation instanceof SynchronizeFileOperation) {
 982                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 983             }
 984         }
 985     }
 986
 987
 988     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 989         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 990         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 991
 992         if (result.isSuccess()) {
 993             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 994             msg.show();
 995             if (inDisplayActivity) {
 996                 // double pane
 997                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 998                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 999                 transaction.commit();
1000                 mContainerActivity.onFileStateChanged();
1001             } else {
1002                 getActivity().finish();
1003             }
1004
1005         } else {
1006             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1007             msg.show();
1008             if (result.isSslRecoverableException()) {
1009                 // TODO show the SSL warning dialog
1010             }
1011         }
1012     }
1013
1014     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1015         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1016         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1017
1018         if (result.isSuccess()) {
1019             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1020             mContainerActivity.onFileStateChanged();
1021
1022         } else {
1023             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1024                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1025                 msg.show();
1026                 // TODO throw again the new rename dialog
1027             } else {
1028                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1029                 msg.show();
1030                 if (result.isSslRecoverableException()) {
1031                     // TODO show the SSL warning dialog
1032                 }
1033             }
1034         }
1035     }
1036
1037     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1038         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1039         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1040
1041         if (!result.isSuccess()) {
1042             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1043                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1044                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1045                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1046                 startActivity(i);
1047
1048             } else {
1049                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1050                 msg.show();
1051             }
1052
1053             if (mFile.isDown()) {
1054                 setButtonsForDown();
1055
1056             } else {
1057                 setButtonsForRemote();
1058             }
1059
1060         } else {
1061             if (operation.transferWasRequested()) {
1062                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1063                                                             // checking the service to see if the file is downloading results in FALSE
1064             } else {
1065                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1066                 msg.show();
1067                 if (mFile.isDown()) {
1068                     setButtonsForDown();
1069
1070                 } else {
1071                     setButtonsForRemote();
1072                 }
1073             }
1074         }
1075     }
1076
1077 }