src/eu/alefzero/owncloud/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 eu.alefzero.owncloud.ui.fragment;
  19
  20 import java.io.File;
  21 import java.io.IOException;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.HttpException;
  26 import org.apache.commons.httpclient.methods.GetMethod;
  27 import org.apache.commons.httpclient.methods.PostMethod;
  28 import org.apache.commons.httpclient.methods.StringRequestEntity;
  29 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  30 import org.apache.http.HttpStatus;
  31 import org.apache.http.NameValuePair;
  32 import org.apache.http.client.utils.URLEncodedUtils;
  33 import org.apache.http.message.BasicNameValuePair;
  34 import org.apache.http.protocol.HTTP;
  35 import org.apache.jackrabbit.webdav.client.methods.DavMethodBase;
  36 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  37 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  38 import org.json.JSONException;
  39 import org.json.JSONObject;
  40
  41 import android.accounts.Account;
  42 import android.accounts.AccountManager;
  43 import android.annotation.SuppressLint;
  44 import android.app.Activity;
  45 import android.content.ActivityNotFoundException;
  46 import android.content.BroadcastReceiver;
  47 import android.content.Context;
  48 import android.content.Intent;
  49 import android.content.IntentFilter;
  50 import android.content.res.Resources.NotFoundException;
  51 import android.graphics.Bitmap;
  52 import android.graphics.BitmapFactory;
  53 import android.graphics.BitmapFactory.Options;
  54 import android.graphics.Point;
  55 import android.net.Uri;
  56 import android.os.AsyncTask;
  57 import android.os.Bundle;
  58 import android.os.Handler;
  59 import android.support.v4.app.FragmentTransaction;
  60 import android.util.Log;
  61 import android.view.Display;
  62 import android.view.LayoutInflater;
  63 import android.view.View;
  64 import android.view.View.OnClickListener;
  65 import android.view.ViewGroup;
  66 import android.view.WindowManager.LayoutParams;
  67 import android.webkit.MimeTypeMap;
  68 import android.widget.Button;
  69 import android.widget.CheckBox;
  70 import android.widget.ImageView;
  71 import android.widget.TextView;
  72 import android.widget.Toast;
  73
  74 import com.actionbarsherlock.app.SherlockDialogFragment;
  75 import com.actionbarsherlock.app.SherlockFragment;
  76
  77 import eu.alefzero.owncloud.AccountUtils;
  78 import eu.alefzero.owncloud.DisplayUtils;
  79 import eu.alefzero.owncloud.R;
  80 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  81 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  82 import eu.alefzero.owncloud.datamodel.OCFile;
  83 import eu.alefzero.owncloud.files.services.FileDownloader;
  84 import eu.alefzero.owncloud.files.services.FileUploader;
  85 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  86 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  87 import eu.alefzero.webdav.WebdavClient;
  88 import eu.alefzero.webdav.WebdavUtils;
  89
  90 /**
  91  * This Fragment is used to display the details about a file.
  92  *
  93  * @author Bartek Przybylski
  94  *
  95  */
  96 public class FileDetailFragment extends SherlockFragment implements
  97         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener {
  98
  99     public static final String EXTRA_FILE = "FILE";
 100     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 101
 102     private FileDetailFragment.ContainerActivity mContainerActivity;
 103
 104     private int mLayout;
 105     private View mView;
 106     private OCFile mFile;
 107     private Account mAccount;
 108     private ImageView mPreview;
 109
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     private UploadFinishReceiver mUploadFinishReceiver;
 112
 113     private static final String TAG = "FileDetailFragment";
 114     public static final String FTAG = "FileDetails";
 115     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 116
 117
 118     /**
 119      * Creates an empty details fragment.
 120      *
 121      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 122      */
 123     public FileDetailFragment() {
 124         mFile = null;
 125         mAccount = null;
 126         mLayout = R.layout.file_details_empty;
 127     }
 128
 129
 130     /**
 131      * Creates a details fragment.
 132      *
 133      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 134      *
 135      * @param fileToDetail      An {@link OCFile} to show in the fragment
 136      * @param ocAccount         An ownCloud account; needed to start downloads
 137      */
 138     public FileDetailFragment(OCFile fileToDetail, Account ocAccount){
 139         mFile = fileToDetail;
 140         mAccount = ocAccount;
 141         mLayout = R.layout.file_details_empty;
 142
 143         if(fileToDetail != null && ocAccount != null) {
 144             mLayout = R.layout.file_details_fragment;
 145         }
 146     }
 147
 148
 149     /**
 150      * {@inheritDoc}
 151      */
 152     @Override
 153     public void onAttach(Activity activity) {
 154         super.onAttach(activity);
 155         try {
 156             mContainerActivity = (ContainerActivity) activity;
 157         } catch (ClassCastException e) {
 158             throw new ClassCastException(activity.toString() + " must implement FileListFragment.ContainerActivity");
 159         }
 160     }
 161
 162
 163     @Override
 164     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 165             Bundle savedInstanceState) {
 166         super.onCreateView(inflater, container, savedInstanceState);
 167
 168         if (savedInstanceState != null) {
 169             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 170             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 171         }
 172
 173         View view = null;
 174         view = inflater.inflate(mLayout, container, false);
 175         mView = view;
 176
 177         if (mLayout == R.layout.file_details_fragment) {
 178             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 179             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 180             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 181             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 182             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 183             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 184             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 185         }
 186
 187         updateFileDetails();
 188         return view;
 189     }
 190
 191
 192     @Override
 193     public void onSaveInstanceState(Bundle outState) {
 194         Log.i(getClass().toString(), "onSaveInstanceState() start");
 195         super.onSaveInstanceState(outState);
 196         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 197         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 198         Log.i(getClass().toString(), "onSaveInstanceState() end");
 199     }
 200
 201
 202     @Override
 203     public void onResume() {
 204         super.onResume();
 205
 206         mDownloadFinishReceiver = new DownloadFinishReceiver();
 207         IntentFilter filter = new IntentFilter(
 208                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 209         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 210
 211         mUploadFinishReceiver = new UploadFinishReceiver();
 212         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 213         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 214
 215         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 216     }
 217
 218     @Override
 219     public void onPause() {
 220         super.onPause();
 221
 222         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 223         mDownloadFinishReceiver = null;
 224
 225         getActivity().unregisterReceiver(mUploadFinishReceiver);
 226         mUploadFinishReceiver = null;
 227
 228         if (mPreview != null) {
 229             mPreview = null;
 230         }
 231     }
 232
 233     @Override
 234     public View getView() {
 235         return super.getView() == null ? mView : super.getView();
 236     }
 237
 238
 239
 240     @Override
 241     public void onClick(View v) {
 242         switch (v.getId()) {
 243             case R.id.fdDownloadBtn: {
 244                 Intent i = new Intent(getActivity(), FileDownloader.class);
 245                 i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 246                 i.putExtra(FileDownloader.EXTRA_REMOTE_PATH, mFile.getRemotePath());
 247                 i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getRemotePath());
 248                 i.putExtra(FileDownloader.EXTRA_FILE_SIZE, mFile.getFileLength());
 249
 250                 // update ui
 251                 setButtonsForTransferring();
 252
 253                 getActivity().startService(i);
 254                 mContainerActivity.onFileStateChanged();    // this is not working; it is performed before the fileDownloadService registers it as 'in progress'
 255                 break;
 256             }
 257             case R.id.fdKeepInSync: {
 258                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 259                 mFile.setKeepInSync(cb.isChecked());
 260                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 261                 fdsm.saveFile(mFile);
 262                 if (mFile.keepInSync()) {
 263                     onClick(getView().findViewById(R.id.fdDownloadBtn));
 264                 } else {
 265                     mContainerActivity.onFileStateChanged();    // put inside 'else' to not call it twice (here, and in the virtual click on fdDownloadBtn)
 266                 }
 267                 break;
 268             }
 269             case R.id.fdRenameBtn: {
 270                 EditNameFragment dialog = EditNameFragment.newInstance(mFile.getFileName());
 271                 dialog.show(getFragmentManager(), "nameeditdialog");
 272                 dialog.setOnDismissListener(this);
 273                 break;
 274             }
 275             case R.id.fdRemoveBtn: {
 276                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(R.string.confirmation_remove_alert, new String[]{mFile.getFileName()});
 277                 confDialog.setOnConfirmationListener(this);
 278                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 279                 break;
 280             }
 281             case R.id.fdOpenBtn: {
 282                 String storagePath = mFile.getStoragePath();
 283                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 284                 try {
 285                     Intent i = new Intent(Intent.ACTION_VIEW);
 286                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 287                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 288                     startActivity(i);
 289
 290                 } catch (Throwable t) {
 291                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 292                     boolean toastIt = true;
 293                     String mimeType = "";
 294                     try {
 295                         Intent i = new Intent(Intent.ACTION_VIEW);
 296                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 297                         if (mimeType != null && !mimeType.equals(mFile.getMimetype())) {
 298                             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 299                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 300                             startActivity(i);
 301                             toastIt = false;
 302                         }
 303
 304                     } catch (IndexOutOfBoundsException e) {
 305                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 306
 307                     } catch (ActivityNotFoundException e) {
 308                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 309
 310                     } catch (Throwable th) {
 311                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 312
 313                     } finally {
 314                         if (toastIt) {
 315                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 316                         }
 317                     }
 318
 319                 }
 320                 break;
 321             }
 322             default:
 323                 Log.e(TAG, "Incorrect view clicked!");
 324         }
 325
 326         /* else if (v.getId() == R.id.fdShareBtn) {
 327             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 328             t.start();
 329         }*/
 330     }
 331
 332
 333     @Override
 334     public void onConfirmation(boolean confirmation, String callerTag) {
 335         if (confirmation && callerTag.equals(FTAG_CONFIRMATION)) {
 336             Log.e("ASD","onConfirmation");
 337             FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 338             if (fdsm.getFileById(mFile.getFileId()) != null) {
 339                 new Thread(new RemoveRunnable(mFile, mAccount, new Handler())).start();
 340             }
 341         } else if (!confirmation) Log.d(TAG, "REMOVAL CANCELED");
 342     }
 343
 344
 345     /**
 346      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 347      *
 348      * @return  True when the fragment was created with the empty layout.
 349      */
 350     public boolean isEmpty() {
 351         return mLayout == R.layout.file_details_empty;
 352     }
 353
 354
 355     /**
 356      * Can be used to get the file that is currently being displayed.
 357      * @return The file on the screen.
 358      */
 359     public OCFile getDisplayedFile(){
 360         return mFile;
 361     }
 362
 363     /**
 364      * Use this method to signal this Activity that it shall update its view.
 365      *
 366      * @param file : An {@link OCFile}
 367      */
 368     public void updateFileDetails(OCFile file, Account ocAccount) {
 369         mFile = file;
 370         mAccount = ocAccount;
 371         updateFileDetails();
 372     }
 373
 374
 375     /**
 376      * Updates the view with all relevant details about that file.
 377      */
 378     public void updateFileDetails() {
 379
 380         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 381
 382             // set file details
 383             setFilename(mFile.getFileName());
 384             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 385                     .getMimetype()));
 386             setFilesize(mFile.getFileLength());
 387             if(ocVersionSupportsTimeCreated()){
 388                 setTimeCreated(mFile.getCreationTimestamp());
 389             }
 390
 391             setTimeModified(mFile.getModificationTimestamp());
 392
 393             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 394             cb.setChecked(mFile.keepInSync());
 395
 396             // configure UI for depending upon local state of the file
 397             if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 398                 setButtonsForTransferring();
 399
 400             } else if (mFile.isDown()) {
 401                 // Update preview
 402                 if (mFile.getMimetype().startsWith("image/")) {
 403                     BitmapLoader bl = new BitmapLoader();
 404                     bl.execute(new String[]{mFile.getStoragePath()});
 405                 }
 406
 407                 setButtonsForDown();
 408
 409             } else {
 410                 setButtonsForRemote();
 411             }
 412         }
 413     }
 414
 415
 416     /**
 417      * Updates the filename in view
 418      * @param filename to set
 419      */
 420     private void setFilename(String filename) {
 421         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 422         if (tv != null)
 423             tv.setText(filename);
 424     }
 425
 426     /**
 427      * Updates the MIME type in view
 428      * @param mimetype to set
 429      */
 430     private void setFiletype(String mimetype) {
 431         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 432         if (tv != null)
 433             tv.setText(mimetype);
 434     }
 435
 436     /**
 437      * Updates the file size in view
 438      * @param filesize in bytes to set
 439      */
 440     private void setFilesize(long filesize) {
 441         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 442         if (tv != null)
 443             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 444     }
 445
 446     /**
 447      * Updates the time that the file was created in view
 448      * @param milliseconds Unix time to set
 449      */
 450     private void setTimeCreated(long milliseconds){
 451         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 452         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 453         if(tv != null){
 454             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 455             tv.setVisibility(View.VISIBLE);
 456             tvLabel.setVisibility(View.VISIBLE);
 457         }
 458     }
 459
 460     /**
 461      * Updates the time that the file was last modified
 462      * @param milliseconds Unix time to set
 463      */
 464     private void setTimeModified(long milliseconds){
 465         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 466         if(tv != null){
 467             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 468         }
 469     }
 470
 471     /**
 472      * Enables or disables buttons for a file being downloaded
 473      */
 474     private void setButtonsForTransferring() {
 475         if (!isEmpty()) {
 476             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 477             //downloadButton.setText(R.string.filedetails_download_in_progress);    // ugly
 478             downloadButton.setEnabled(false);   // TODO replace it with a 'cancel download' button
 479
 480             // let's protect the user from himself ;)
 481             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 482             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 483             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 484         }
 485     }
 486
 487     /**
 488      * Enables or disables buttons for a file locally available
 489      */
 490     private void setButtonsForDown() {
 491         if (!isEmpty()) {
 492             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 493             //downloadButton.setText(R.string.filedetails_redownload);      // ugly
 494             downloadButton.setEnabled(true);
 495
 496             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 497             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 498             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 499         }
 500     }
 501
 502     /**
 503      * Enables or disables buttons for a file not locally available
 504      */
 505     private void setButtonsForRemote() {
 506         if (!isEmpty()) {
 507             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 508             //downloadButton.setText(R.string.filedetails_download);    // unnecessary
 509             downloadButton.setEnabled(true);
 510
 511             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 512             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 513             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 514         }
 515     }
 516
 517
 518     /**
 519      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 520      * the time that the file was created. There is a chance that this will
 521      * be fixed in future versions. Use this method to check if this version of
 522      * ownCloud has this fix.
 523      * @return True, if ownCloud the ownCloud version is supporting creation time
 524      */
 525     private boolean ocVersionSupportsTimeCreated(){
 526         /*if(mAccount != null){
 527             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 528             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 529                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 530             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 531                 return true;
 532             }
 533         }*/
 534         return false;
 535     }
 536
 537
 538     /**
 539      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 540      *
 541      * @author David A. Velasco
 542      */
 543     public interface ContainerActivity {
 544
 545         /**
 546          * Callback method invoked when the detail fragment wants to notice its container
 547          * activity about a relevant state the file shown by the fragment.
 548          *
 549          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 550          *
 551          * Currently called when:
 552          *  - a download is started;
 553          *  - a rename is completed;
 554          *  - a deletion is completed;
 555          *  - the 'inSync' flag is changed;
 556          */
 557         public void onFileStateChanged();
 558
 559     }
 560
 561
 562     /**
 563      * Once the file download has finished -> update view
 564      * @author Bartek Przybylski
 565      */
 566     private class DownloadFinishReceiver extends BroadcastReceiver {
 567         @Override
 568         public void onReceive(Context context, Intent intent) {
 569             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 570
 571             if (!isEmpty() && accountName.equals(mAccount.name)) {
 572                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 573                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 574                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 575                     if (downloadWasFine) {
 576                         mFile.setStoragePath(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH));    // updates the local object without accessing the database again
 577                     }
 578                     updateFileDetails();    // it updates the buttons; must be called although !downloadWasFine
 579                 }
 580             }
 581         }
 582     }
 583
 584
 585     /**
 586      * Once the file upload has finished -> update view
 587      *
 588      * Being notified about the finish of an upload is necessary for the next sequence:
 589      *   1. Upload a big file.
 590      *   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
 591      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 592      *   3. Click the file in the list to see its details.
 593      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 594      */
 595     private class UploadFinishReceiver extends BroadcastReceiver {
 596         @Override
 597         public void onReceive(Context context, Intent intent) {
 598             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 599
 600             if (!isEmpty() && accountName.equals(mAccount.name)) {
 601                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 602                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 603                 if (mFile.getRemotePath().equals(uploadRemotePath)) {
 604                     if (uploadWasFine) {
 605                         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 606                         mFile = fdsm.getFileByPath(mFile.getRemotePath());
 607                     }
 608                     updateFileDetails();    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 609                 }
 610             }
 611         }
 612     }
 613
 614
 615     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 616     private class ShareRunnable implements Runnable {
 617         private String mPath;
 618
 619         public ShareRunnable(String path) {
 620             mPath = path;
 621         }
 622
 623         public void run() {
 624             AccountManager am = AccountManager.get(getActivity());
 625             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 626             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 627             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 628
 629             Log.d("share", "sharing for version " + ocv.toString());
 630
 631             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 632                 String APPS_PATH = "/apps/files_sharing/";
 633                 String SHARE_PATH = "ajax/share.php";
 634
 635                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 636
 637                 final String WEBDAV_SCRIPT = "webdav.php";
 638                 final String WEBDAV_FILES_LOCATION = "/files/";
 639
 640                 WebdavClient wc = new WebdavClient();
 641                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 642                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 643
 644                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 645                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 646
 647                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 648
 649                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 650                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 651                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 652                 Log.d("share", mPath+"");
 653                 formparams.add(new BasicNameValuePair("sources",mPath));
 654                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 655                 formparams.add(new BasicNameValuePair("permissions", "0"));
 656                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 657
 658                 int status;
 659                 try {
 660                     PropFindMethod find = new PropFindMethod(url+"/");
 661                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 662                     Log.d("sharer", ""+ url+"/");
 663                     wc.setCredentials(account.name.substring(0, account.name.lastIndexOf('@')), am.getPassword(account));
 664
 665                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 666                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 667                     }
 668
 669                     int status2 = wc.executeMethod(find);
 670
 671                     Log.d("sharer", "propstatus "+status2);
 672
 673                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 674                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 675
 676                     status2 = wc.executeMethod(get);
 677
 678                     Log.d("sharer", "getstatus "+status2);
 679                     Log.d("sharer", "" + get.getResponseBodyAsString());
 680
 681                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 682                         Log.d("sharer", a.getName() + ":"+a.getValue());
 683                     }
 684
 685                     status = wc.executeMethod(post);
 686                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 687                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 688                     }
 689                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 690                         Log.d("sharer", a.getName() + ":"+a.getValue());
 691                     }
 692                     String resp = post.getResponseBodyAsString();
 693                     Log.d("share", ""+post.getURI().toString());
 694                     Log.d("share", "returned status " + status);
 695                     Log.d("share", " " +resp);
 696
 697                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 698                         return;
 699                      }
 700
 701                     JSONObject jsonObject = new JSONObject (resp);
 702                     String jsonStatus = jsonObject.getString("status");
 703                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 704
 705                     String token = jsonObject.getString("data");
 706                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 707                     Log.d("Actions:shareFile ok", "url: " + uri);
 708
 709                 } catch (HttpException e) {
 710                     // TODO Auto-generated catch block
 711                     e.printStackTrace();
 712                 } catch (IOException e) {
 713                     // TODO Auto-generated catch block
 714                     e.printStackTrace();
 715                 } catch (JSONException e) {
 716                     // TODO Auto-generated catch block
 717                     e.printStackTrace();
 718                 } catch (Exception e) {
 719                     // TODO Auto-generated catch block
 720                     e.printStackTrace();
 721                 }
 722
 723             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 724
 725             }
 726         }
 727     }
 728
 729     public void onDismiss(EditNameFragment dialog) {
 730         if (dialog instanceof EditNameFragment) {
 731             if (((EditNameFragment)dialog).getResult()) {
 732                 String newFilename = ((EditNameFragment)dialog).getNewFilename();
 733                 Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 734                 if (!newFilename.equals(mFile.getFileName())) {
 735                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 736                     if (fdsm.getFileById(mFile.getFileId()) != null) {
 737                         OCFile newFile = new OCFile(fdsm.getFileById(mFile.getParentId()).getRemotePath() + newFilename);
 738                         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 739                         newFile.setFileId(mFile.getFileId());
 740                         newFile.setFileLength(mFile.getFileLength());
 741                         newFile.setKeepInSync(mFile.keepInSync());
 742                         newFile.setLastSyncDate(mFile.getLastSyncDate());
 743                         newFile.setMimetype(mFile.getMimetype());
 744                         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 745                         newFile.setParentId(mFile.getParentId());
 746                         if (mFile.isDown()) {
 747                             File f = new File(mFile.getStoragePath());
 748                             Log.e(TAG, f.getAbsolutePath());
 749                             f.renameTo(new File(f.getParent() + File.separator + newFilename)); // TODO check if fails
 750                             Log.e(TAG, f.getParent() + File.separator + newFilename);
 751                             newFile.setStoragePath(f.getParent() + File.separator + newFilename);
 752                         }
 753
 754                         new Thread(new RenameRunnable(mFile, newFile, mAccount, new Handler())).start();
 755
 756                     }
 757                 }
 758             }
 759         } else {
 760             Log.e(TAG, "Unknown dialog instance passed to onDismissDalog: " + dialog.getClass().getCanonicalName());
 761         }
 762
 763     }
 764
 765     private class RenameRunnable implements Runnable {
 766
 767         Account mAccount;
 768         OCFile mOld, mNew;
 769         Handler mHandler;
 770
 771         public RenameRunnable(OCFile oldFile, OCFile newFile, Account account, Handler handler) {
 772             mOld = oldFile;
 773             mNew = newFile;
 774             mAccount = account;
 775             mHandler = handler;
 776         }
 777
 778         public void run() {
 779             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 780             wc.allowSelfsignedCertificates();
 781             AccountManager am = AccountManager.get(getSherlockActivity());
 782             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 783             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 784             String webdav_path = AccountUtils.getWebdavPath(ocv);
 785             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()));
 786
 787             Log.e("ASD", Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 788             LocalMoveMethod move = new LocalMoveMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()),
 789                                              Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 790
 791             try {
 792                 int status = wc.executeMethod(move);
 793                 if (move.succeeded()) {
 794                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 795                     fdsm.removeFile(mOld);
 796                     fdsm.saveFile(mNew);
 797                     mFile = mNew;
 798                     mHandler.post(new Runnable() {
 799                         @Override
 800                         public void run() {
 801                             updateFileDetails(mFile, mAccount);
 802                             mContainerActivity.onFileStateChanged();
 803                         }
 804                     });
 805                 }
 806                 Log.e("ASD", ""+move.getQueryString());
 807                 Log.d("move", "returned status " + status);
 808             } catch (HttpException e) {
 809                 // TODO Auto-generated catch block
 810                 e.printStackTrace();
 811             } catch (IOException e) {
 812                 // TODO Auto-generated catch block
 813                 e.printStackTrace();
 814             }
 815         }
 816         private class LocalMoveMethod extends DavMethodBase {
 817
 818             public LocalMoveMethod(String uri, String dest) {
 819                 super(uri);
 820                 addRequestHeader(new org.apache.commons.httpclient.Header("Destination", dest));
 821             }
 822
 823             @Override
 824             public String getName() {
 825                 return "MOVE";
 826             }
 827
 828             @Override
 829             protected boolean isSuccess(int status) {
 830                 return status == 201 || status == 204;
 831             }
 832
 833         }
 834     }
 835
 836     private static class EditNameFragment extends SherlockDialogFragment implements OnClickListener {
 837
 838         private String mNewFilename;
 839         private boolean mResult;
 840         private FileDetailFragment mListener;
 841
 842         static public EditNameFragment newInstance(String filename) {
 843             EditNameFragment f = new EditNameFragment();
 844             Bundle args = new Bundle();
 845             args.putString("filename", filename);
 846             f.setArguments(args);
 847             return f;
 848         }
 849
 850         @Override
 851         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 852             View v = inflater.inflate(R.layout.edit_box_dialog, container, false);
 853
 854             String currentName = getArguments().getString("filename");
 855             if (currentName == null)
 856                 currentName = "";
 857
 858             ((Button)v.findViewById(R.id.cancel)).setOnClickListener(this);
 859             ((Button)v.findViewById(R.id.ok)).setOnClickListener(this);
 860             ((TextView)v.findViewById(R.id.user_input)).setText(currentName);
 861             ((TextView)v.findViewById(R.id.user_input)).requestFocus();
 862             getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 863
 864             mResult = false;
 865             return v;
 866         }
 867
 868         @Override
 869         public void onClick(View view) {
 870             switch (view.getId()) {
 871                 case R.id.ok: {
 872                     mNewFilename = ((TextView)getView().findViewById(R.id.user_input)).getText().toString();
 873                     mResult = true;
 874                 }
 875                 case R.id.cancel: { // fallthought
 876                     dismiss();
 877                     mListener.onDismiss(this);
 878                 }
 879             }
 880         }
 881
 882         void setOnDismissListener(FileDetailFragment listener) {
 883             mListener = listener;
 884         }
 885
 886         public String getNewFilename() {
 887             return mNewFilename;
 888         }
 889
 890         // true if user click ok
 891         public boolean getResult() {
 892             return mResult;
 893         }
 894
 895     }
 896
 897     private class RemoveRunnable implements Runnable {
 898
 899         /** Arbitrary timeout for deletion */
 900         public final static int DELETION_TIMEOUT = 5000;
 901
 902         Account mAccount;
 903         OCFile mFileToRemove;
 904         Handler mHandler;
 905
 906         public RemoveRunnable(OCFile fileToRemove, Account account, Handler handler) {
 907             mFileToRemove = fileToRemove;
 908             mAccount = account;
 909             mHandler = handler;
 910         }
 911
 912         public void run() {
 913             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 914             wc.allowSelfsignedCertificates();
 915             AccountManager am = AccountManager.get(getSherlockActivity());
 916             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 917             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 918             String webdav_path = AccountUtils.getWebdavPath(ocv);
 919             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 920
 921             DeleteMethod delete = new DeleteMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 922
 923             boolean success = false;
 924             try {
 925                 int status = wc.executeMethod(delete, DELETION_TIMEOUT);
 926                 if (delete.succeeded()) {
 927                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 928                     fdsm.removeFile(mFileToRemove);
 929                     mHandler.post(new Runnable() {
 930                         @Override
 931                         public void run() {
 932                             try {
 933                                 Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 934                                 msg.show();
 935                                 if (getActivity() instanceof FileDisplayActivity) {
 936                                     // double pane
 937                                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 938                                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 939                                     transaction.commit();
 940                                     mContainerActivity.onFileStateChanged();
 941
 942                                 } else {
 943                                     getActivity().finish();
 944                                 }
 945
 946                             } catch (NotFoundException e) {
 947                                 e.printStackTrace();
 948                             }
 949                         }
 950                     });
 951                     success = true;
 952                 }
 953                 Log.e("ASD", ""+ delete.getQueryString());
 954                 Log.d("delete", "returned status " + status);
 955
 956             } catch (HttpException e) {
 957                 e.printStackTrace();
 958
 959             } catch (IOException e) {
 960                 e.printStackTrace();
 961
 962             } finally {
 963                 if (!success) {
 964                     mHandler.post(new Runnable() {
 965                         @Override
 966                         public void run() {
 967                             try {
 968                                 Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 969                                 msg.show();
 970
 971                             } catch (NotFoundException e) {
 972                                 e.printStackTrace();
 973                             }
 974                         }
 975                     });
 976                 }
 977             }
 978         }
 979
 980     }
 981
 982     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
 983         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
 984                 @Override
 985         protected Bitmap doInBackground(String... params) {
 986             Bitmap result = null;
 987             if (params.length != 1) return result;
 988             String storagePath = params[0];
 989             try {
 990
 991                 BitmapFactory.Options options = new Options();
 992                 options.inScaled = true;
 993                 options.inPurgeable = true;
 994                 options.inJustDecodeBounds = true;
 995                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
 996                     options.inPreferQualityOverSpeed = false;
 997                 }
 998                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 999                     options.inMutable = false;
1000                 }
1001
1002                 result = BitmapFactory.decodeFile(storagePath, options);
1003                 options.inJustDecodeBounds = false;
1004
1005                 int width = options.outWidth;
1006                 int height = options.outHeight;
1007                 int scale = 1;
1008                 if (width >= 2048 || height >= 2048) {
1009                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
1010                     options.inSampleSize = scale;
1011                 }
1012                 Display display = getActivity().getWindowManager().getDefaultDisplay();
1013                 Point size = new Point();
1014                 int screenwidth;
1015                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
1016                     display.getSize(size);
1017                     screenwidth = size.x;
1018                 } else {
1019                     screenwidth = display.getWidth();
1020                 }
1021
1022                 Log.e("ASD", "W " + width + " SW " + screenwidth);
1023
1024                 if (width > screenwidth) {
1025                     scale = (int) Math.ceil((float)width / screenwidth);
1026                     options.inSampleSize = scale;
1027                 }
1028
1029                 result = BitmapFactory.decodeFile(storagePath, options);
1030
1031                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
1032
1033             } catch (OutOfMemoryError e) {
1034                 result = null;
1035                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
1036
1037             } catch (NoSuchFieldError e) {
1038                 result = null;
1039                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
1040
1041             } catch (Throwable t) {
1042                 result = null;
1043                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
1044             }
1045             return result;
1046         }
1047         @Override
1048         protected void onPostExecute(Bitmap result) {
1049             if (result != null && mPreview != null) {
1050                 mPreview.setImageBitmap(result);
1051             }
1052         }
1053
1054     }
1055
1056
1057 }