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

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