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