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                 // Change download button to open button
 410                 /*downloadButton.setText(R.string.filedetails_open);
 411                 downloadButton.setOnClickListener(new OnClickListener() {
 412                     @Override
 413                     public void onClick(View v) {
 414                         String storagePath = mFile.getStoragePath();
 415                         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 416                         try {
 417                             Intent i = new Intent(Intent.ACTION_VIEW);
 418                             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 419                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 420                             startActivity(i);
 421
 422                         } catch (Throwable t) {
 423                             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 424                             boolean toastIt = true;
 425                             String mimeType = "";
 426                             try {
 427                                 Intent i = new Intent(Intent.ACTION_VIEW);
 428                                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 429                                 if (mimeType != null && !mimeType.equals(mFile.getMimetype())) {
 430                                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 431                                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 432                                     startActivity(i);
 433                                     toastIt = false;
 434                                 }
 435
 436                             } catch (IndexOutOfBoundsException e) {
 437                                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 438
 439                             } catch (ActivityNotFoundException e) {
 440                                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 441
 442                             } catch (Throwable th) {
 443                                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 444
 445                             } finally {
 446                                 if (toastIt) {
 447                                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 448                                 }
 449                             }
 450
 451                         }
 452                     }
 453                 });*/
 454             } else {
 455                 setButtonsForRemote();
 456             }
 457         }
 458     }
 459
 460
 461     /**
 462      * Updates the filename in view
 463      * @param filename to set
 464      */
 465     private void setFilename(String filename) {
 466         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 467         if (tv != null)
 468             tv.setText(filename);
 469     }
 470
 471     /**
 472      * Updates the MIME type in view
 473      * @param mimetype to set
 474      */
 475     private void setFiletype(String mimetype) {
 476         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 477         if (tv != null)
 478             tv.setText(mimetype);
 479     }
 480
 481     /**
 482      * Updates the file size in view
 483      * @param filesize in bytes to set
 484      */
 485     private void setFilesize(long filesize) {
 486         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 487         if (tv != null)
 488             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 489     }
 490
 491     /**
 492      * Updates the time that the file was created in view
 493      * @param milliseconds Unix time to set
 494      */
 495     private void setTimeCreated(long milliseconds){
 496         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 497         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 498         if(tv != null){
 499             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 500             tv.setVisibility(View.VISIBLE);
 501             tvLabel.setVisibility(View.VISIBLE);
 502         }
 503     }
 504
 505     /**
 506      * Updates the time that the file was last modified
 507      * @param milliseconds Unix time to set
 508      */
 509     private void setTimeModified(long milliseconds){
 510         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 511         if(tv != null){
 512             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 513         }
 514     }
 515
 516     /**
 517      * Enables or disables buttons for a file being downloaded
 518      */
 519     private void setButtonsForTransferring() {
 520         if (!isEmpty()) {
 521             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 522             //downloadButton.setText(R.string.filedetails_download_in_progress);    // ugly
 523             downloadButton.setEnabled(false);   // TODO replace it with a 'cancel download' button
 524
 525             // let's protect the user from himself ;)
 526             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 527             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 528             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 529         }
 530     }
 531
 532     /**
 533      * Enables or disables buttons for a file locally available
 534      */
 535     private void setButtonsForDown() {
 536         if (!isEmpty()) {
 537             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 538             //downloadButton.setText(R.string.filedetails_redownload);      // ugly
 539             downloadButton.setEnabled(true);
 540
 541             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 542             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 543             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 544         }
 545     }
 546
 547     /**
 548      * Enables or disables buttons for a file not locally available
 549      */
 550     private void setButtonsForRemote() {
 551         if (!isEmpty()) {
 552             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 553             //downloadButton.setText(R.string.filedetails_download);    // unnecessary
 554             downloadButton.setEnabled(true);
 555
 556             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 557             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 558             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 559         }
 560     }
 561
 562
 563     /**
 564      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 565      * the time that the file was created. There is a chance that this will
 566      * be fixed in future versions. Use this method to check if this version of
 567      * ownCloud has this fix.
 568      * @return True, if ownCloud the ownCloud version is supporting creation time
 569      */
 570     private boolean ocVersionSupportsTimeCreated(){
 571         /*if(mAccount != null){
 572             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 573             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 574                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 575             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 576                 return true;
 577             }
 578         }*/
 579         return false;
 580     }
 581
 582
 583     /**
 584      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 585      *
 586      * @author David A. Velasco
 587      */
 588     public interface ContainerActivity {
 589
 590         /**
 591          * Callback method invoked when the detail fragment wants to notice its container
 592          * activity about a relevant state the file shown by the fragment.
 593          *
 594          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 595          *
 596          * Currently called when:
 597          *  - a download is started;
 598          *  - a rename is completed;
 599          *  - a deletion is completed;
 600          *  - the 'inSync' flag is changed;
 601          */
 602         public void onFileStateChanged();
 603
 604     }
 605
 606
 607     /**
 608      * Once the file download has finished -> update view
 609      * @author Bartek Przybylski
 610      */
 611     private class DownloadFinishReceiver extends BroadcastReceiver {
 612         @Override
 613         public void onReceive(Context context, Intent intent) {
 614             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 615
 616             if (!isEmpty() && accountName.equals(mAccount.name)) {
 617                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 618                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 619                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 620                     if (downloadWasFine) {
 621                         mFile.setStoragePath(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH));    // updates the local object without accessing the database again
 622                     }
 623                     updateFileDetails();    // it updates the buttons; must be called although !downloadWasFine
 624                 }
 625             }
 626         }
 627     }
 628
 629
 630     /**
 631      * Once the file upload has finished -> update view
 632      *
 633      * Being notified about the finish of an upload is necessary for the next sequence:
 634      *   1. Upload a big file.
 635      *   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
 636      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 637      *   3. Click the file in the list to see its details.
 638      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 639      */
 640     private class UploadFinishReceiver extends BroadcastReceiver {
 641         @Override
 642         public void onReceive(Context context, Intent intent) {
 643             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 644
 645             if (!isEmpty() && accountName.equals(mAccount.name)) {
 646                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 647                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 648                 if (mFile.getRemotePath().equals(uploadRemotePath)) {
 649                     if (uploadWasFine) {
 650                         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 651                         mFile = fdsm.getFileByPath(mFile.getRemotePath());
 652                     }
 653                     updateFileDetails();    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 654                 }
 655             }
 656         }
 657     }
 658
 659
 660     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 661     private class ShareRunnable implements Runnable {
 662         private String mPath;
 663
 664         public ShareRunnable(String path) {
 665             mPath = path;
 666         }
 667
 668         public void run() {
 669             AccountManager am = AccountManager.get(getActivity());
 670             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 671             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 672             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 673
 674             Log.d("share", "sharing for version " + ocv.toString());
 675
 676             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 677                 String APPS_PATH = "/apps/files_sharing/";
 678                 String SHARE_PATH = "ajax/share.php";
 679
 680                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 681
 682                 final String WEBDAV_SCRIPT = "webdav.php";
 683                 final String WEBDAV_FILES_LOCATION = "/files/";
 684
 685                 WebdavClient wc = new WebdavClient();
 686                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 687                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 688
 689                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 690                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 691
 692                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 693
 694                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 695                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 696                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 697                 Log.d("share", mPath+"");
 698                 formparams.add(new BasicNameValuePair("sources",mPath));
 699                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 700                 formparams.add(new BasicNameValuePair("permissions", "0"));
 701                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 702
 703                 int status;
 704                 try {
 705                     PropFindMethod find = new PropFindMethod(url+"/");
 706                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 707                     Log.d("sharer", ""+ url+"/");
 708                     wc.setCredentials(account.name.substring(0, account.name.lastIndexOf('@')), am.getPassword(account));
 709
 710                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 711                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 712                     }
 713
 714                     int status2 = wc.executeMethod(find);
 715
 716                     Log.d("sharer", "propstatus "+status2);
 717
 718                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 719                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 720
 721                     status2 = wc.executeMethod(get);
 722
 723                     Log.d("sharer", "getstatus "+status2);
 724                     Log.d("sharer", "" + get.getResponseBodyAsString());
 725
 726                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 727                         Log.d("sharer", a.getName() + ":"+a.getValue());
 728                     }
 729
 730                     status = wc.executeMethod(post);
 731                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 732                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 733                     }
 734                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 735                         Log.d("sharer", a.getName() + ":"+a.getValue());
 736                     }
 737                     String resp = post.getResponseBodyAsString();
 738                     Log.d("share", ""+post.getURI().toString());
 739                     Log.d("share", "returned status " + status);
 740                     Log.d("share", " " +resp);
 741
 742                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 743                         return;
 744                      }
 745
 746                     JSONObject jsonObject = new JSONObject (resp);
 747                     String jsonStatus = jsonObject.getString("status");
 748                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 749
 750                     String token = jsonObject.getString("data");
 751                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 752                     Log.d("Actions:shareFile ok", "url: " + uri);
 753
 754                 } catch (HttpException e) {
 755                     // TODO Auto-generated catch block
 756                     e.printStackTrace();
 757                 } catch (IOException e) {
 758                     // TODO Auto-generated catch block
 759                     e.printStackTrace();
 760                 } catch (JSONException e) {
 761                     // TODO Auto-generated catch block
 762                     e.printStackTrace();
 763                 } catch (Exception e) {
 764                     // TODO Auto-generated catch block
 765                     e.printStackTrace();
 766                 }
 767
 768             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 769
 770             }
 771         }
 772     }
 773
 774     public void onDismiss(EditNameFragment dialog) {
 775         if (dialog instanceof EditNameFragment) {
 776             if (((EditNameFragment)dialog).getResult()) {
 777                 String newFilename = ((EditNameFragment)dialog).getNewFilename();
 778                 Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 779                 if (!newFilename.equals(mFile.getFileName())) {
 780                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 781                     if (fdsm.getFileById(mFile.getFileId()) != null) {
 782                         OCFile newFile = new OCFile(fdsm.getFileById(mFile.getParentId()).getRemotePath() + newFilename);
 783                         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 784                         newFile.setFileId(mFile.getFileId());
 785                         newFile.setFileLength(mFile.getFileLength());
 786                         newFile.setKeepInSync(mFile.keepInSync());
 787                         newFile.setLastSyncDate(mFile.getLastSyncDate());
 788                         newFile.setMimetype(mFile.getMimetype());
 789                         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 790                         newFile.setParentId(mFile.getParentId());
 791                         if (mFile.isDown()) {
 792                             File f = new File(mFile.getStoragePath());
 793                             Log.e(TAG, f.getAbsolutePath());
 794                             f.renameTo(new File(f.getParent() + File.separator + newFilename)); // TODO check if fails
 795                             Log.e(TAG, f.getParent() + File.separator + newFilename);
 796                             newFile.setStoragePath(f.getParent() + File.separator + newFilename);
 797                         }
 798
 799                         new Thread(new RenameRunnable(mFile, newFile, mAccount, new Handler())).start();
 800
 801                     }
 802                 }
 803             }
 804         } else {
 805             Log.e(TAG, "Unknown dialog instance passed to onDismissDalog: " + dialog.getClass().getCanonicalName());
 806         }
 807
 808     }
 809
 810     private class RenameRunnable implements Runnable {
 811
 812         Account mAccount;
 813         OCFile mOld, mNew;
 814         Handler mHandler;
 815
 816         public RenameRunnable(OCFile oldFile, OCFile newFile, Account account, Handler handler) {
 817             mOld = oldFile;
 818             mNew = newFile;
 819             mAccount = account;
 820             mHandler = handler;
 821         }
 822
 823         public void run() {
 824             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 825             wc.allowSelfsignedCertificates();
 826             AccountManager am = AccountManager.get(getSherlockActivity());
 827             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 828             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 829             String webdav_path = AccountUtils.getWebdavPath(ocv);
 830             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()));
 831
 832             Log.e("ASD", Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 833             LocalMoveMethod move = new LocalMoveMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()),
 834                                              Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 835
 836             try {
 837                 int status = wc.executeMethod(move);
 838                 if (move.succeeded()) {
 839                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 840                     fdsm.removeFile(mOld);
 841                     fdsm.saveFile(mNew);
 842                     mFile = mNew;
 843                     mHandler.post(new Runnable() {
 844                         @Override
 845                         public void run() {
 846                             updateFileDetails(mFile, mAccount);
 847                             mContainerActivity.onFileStateChanged();
 848                         }
 849                     });
 850                 }
 851                 Log.e("ASD", ""+move.getQueryString());
 852                 Log.d("move", "returned status " + status);
 853             } catch (HttpException e) {
 854                 // TODO Auto-generated catch block
 855                 e.printStackTrace();
 856             } catch (IOException e) {
 857                 // TODO Auto-generated catch block
 858                 e.printStackTrace();
 859             }
 860         }
 861         private class LocalMoveMethod extends DavMethodBase {
 862
 863             public LocalMoveMethod(String uri, String dest) {
 864                 super(uri);
 865                 addRequestHeader(new org.apache.commons.httpclient.Header("Destination", dest));
 866             }
 867
 868             @Override
 869             public String getName() {
 870                 return "MOVE";
 871             }
 872
 873             @Override
 874             protected boolean isSuccess(int status) {
 875                 return status == 201 || status == 204;
 876             }
 877
 878         }
 879     }
 880
 881     private static class EditNameFragment extends SherlockDialogFragment implements OnClickListener {
 882
 883         private String mNewFilename;
 884         private boolean mResult;
 885         private FileDetailFragment mListener;
 886
 887         static public EditNameFragment newInstance(String filename) {
 888             EditNameFragment f = new EditNameFragment();
 889             Bundle args = new Bundle();
 890             args.putString("filename", filename);
 891             f.setArguments(args);
 892             return f;
 893         }
 894
 895         @Override
 896         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 897             View v = inflater.inflate(R.layout.edit_box_dialog, container, false);
 898
 899             String currentName = getArguments().getString("filename");
 900             if (currentName == null)
 901                 currentName = "";
 902
 903             ((Button)v.findViewById(R.id.cancel)).setOnClickListener(this);
 904             ((Button)v.findViewById(R.id.ok)).setOnClickListener(this);
 905             ((TextView)v.findViewById(R.id.user_input)).setText(currentName);
 906             ((TextView)v.findViewById(R.id.user_input)).requestFocus();
 907             getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 908
 909             mResult = false;
 910             return v;
 911         }
 912
 913         @Override
 914         public void onClick(View view) {
 915             switch (view.getId()) {
 916                 case R.id.ok: {
 917                     mNewFilename = ((TextView)getView().findViewById(R.id.user_input)).getText().toString();
 918                     mResult = true;
 919                 }
 920                 case R.id.cancel: { // fallthought
 921                     dismiss();
 922                     mListener.onDismiss(this);
 923                 }
 924             }
 925         }
 926
 927         void setOnDismissListener(FileDetailFragment listener) {
 928             mListener = listener;
 929         }
 930
 931         public String getNewFilename() {
 932             return mNewFilename;
 933         }
 934
 935         // true if user click ok
 936         public boolean getResult() {
 937             return mResult;
 938         }
 939
 940     }
 941
 942     private class RemoveRunnable implements Runnable {
 943
 944         /** Arbitrary timeout for deletion */
 945         public final static int DELETION_TIMEOUT = 5000;
 946
 947         Account mAccount;
 948         OCFile mFileToRemove;
 949         Handler mHandler;
 950
 951         public RemoveRunnable(OCFile fileToRemove, Account account, Handler handler) {
 952             mFileToRemove = fileToRemove;
 953             mAccount = account;
 954             mHandler = handler;
 955         }
 956
 957         public void run() {
 958             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 959             wc.allowSelfsignedCertificates();
 960             AccountManager am = AccountManager.get(getSherlockActivity());
 961             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 962             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 963             String webdav_path = AccountUtils.getWebdavPath(ocv);
 964             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 965
 966             DeleteMethod delete = new DeleteMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 967
 968             boolean success = false;
 969             try {
 970                 int status = wc.executeMethod(delete, DELETION_TIMEOUT);
 971                 if (delete.succeeded()) {
 972                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 973                     fdsm.removeFile(mFileToRemove);
 974                     mHandler.post(new Runnable() {
 975                         @Override
 976                         public void run() {
 977                             try {
 978                                 Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 979                                 msg.show();
 980                                 if (getActivity() instanceof FileDisplayActivity) {
 981                                     // double pane
 982                                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 983                                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 984                                     transaction.commit();
 985                                     mContainerActivity.onFileStateChanged();
 986
 987                                 } else {
 988                                     getActivity().finish();
 989                                 }
 990
 991                             } catch (NotFoundException e) {
 992                                 e.printStackTrace();
 993                             }
 994                         }
 995                     });
 996                     success = true;
 997                 }
 998                 Log.e("ASD", ""+ delete.getQueryString());
 999                 Log.d("delete", "returned status " + status);
1000
1001             } catch (HttpException e) {
1002                 e.printStackTrace();
1003
1004             } catch (IOException e) {
1005                 e.printStackTrace();
1006
1007             } finally {
1008                 if (!success) {
1009                     mHandler.post(new Runnable() {
1010                         @Override
1011                         public void run() {
1012                             try {
1013                                 Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1014                                 msg.show();
1015
1016                             } catch (NotFoundException e) {
1017                                 e.printStackTrace();
1018                             }
1019                         }
1020                     });
1021                 }
1022             }
1023         }
1024
1025     }
1026
1027     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
1028         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
1029                 @Override
1030         protected Bitmap doInBackground(String... params) {
1031             Bitmap result = null;
1032             if (params.length != 1) return result;
1033             String storagePath = params[0];
1034             try {
1035
1036                 BitmapFactory.Options options = new Options();
1037                 options.inScaled = true;
1038                 options.inPurgeable = true;
1039                 options.inJustDecodeBounds = true;
1040                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
1041                     options.inPreferQualityOverSpeed = false;
1042                 }
1043                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1044                     options.inMutable = false;
1045                 }
1046
1047                 result = BitmapFactory.decodeFile(storagePath, options);
1048                 options.inJustDecodeBounds = false;
1049
1050                 int width = options.outWidth;
1051                 int height = options.outHeight;
1052                 int scale = 1;
1053                 if (width >= 2048 || height >= 2048) {
1054                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
1055                     options.inSampleSize = scale;
1056                 }
1057                 Display display = getActivity().getWindowManager().getDefaultDisplay();
1058                 Point size = new Point();
1059                 int screenwidth;
1060                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
1061                     display.getSize(size);
1062                     screenwidth = size.x;
1063                 } else {
1064                     screenwidth = display.getWidth();
1065                 }
1066
1067                 Log.e("ASD", "W " + width + " SW " + screenwidth);
1068
1069                 if (width > screenwidth) {
1070                     scale = (int) Math.ceil((float)width / screenwidth);
1071                     options.inSampleSize = scale;
1072                 }
1073
1074                 result = BitmapFactory.decodeFile(storagePath, options);
1075
1076                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
1077
1078             } catch (OutOfMemoryError e) {
1079                 result = null;
1080                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
1081
1082             } catch (NoSuchFieldError e) {
1083                 result = null;
1084                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
1085
1086             } catch (Throwable t) {
1087                 result = null;
1088                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
1089             }
1090             return result;
1091         }
1092         @Override
1093         protected void onPostExecute(Bitmap result) {
1094             if (result != null && mPreview != null) {
1095                 mPreview.setImageBitmap(result);
1096             }
1097         }
1098
1099     }
1100
1101
1102 }