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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author masensio
   6  *   @author David A. Velasco
   7  *   Copyright (C) 2011  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23 package com.owncloud.android.ui.fragment;
  24
  25 import android.accounts.Account;
  26 import android.app.Activity;
  27 import android.content.Context;
  28 import android.content.DialogInterface;
  29 import android.content.Intent;
  30 import android.net.Uri;
  31 import android.os.Bundle;
  32 import android.support.v4.widget.SwipeRefreshLayout;
  33 import android.support.v7.app.AlertDialog;
  34 import android.view.ContextMenu;
  35 import android.view.Menu;
  36 import android.view.MenuInflater;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.widget.AdapterView;
  40 import android.widget.AdapterView.AdapterContextMenuInfo;
  41 import android.widget.PopupMenu;
  42
  43 import com.owncloud.android.MainApp;
  44 import com.owncloud.android.R;
  45 import com.owncloud.android.authentication.AccountUtils;
  46 import com.owncloud.android.datamodel.FileDataStorageManager;
  47 import com.owncloud.android.datamodel.OCFile;
  48 import com.owncloud.android.files.FileMenuFilter;
  49 import com.owncloud.android.lib.common.utils.Log_OC;
  50 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  51 import com.owncloud.android.ui.activity.FileActivity;
  52 import com.owncloud.android.ui.activity.FileDisplayActivity;
  53 import com.owncloud.android.ui.activity.FolderPickerActivity;
  54 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
  55 import com.owncloud.android.ui.adapter.FileListListAdapter;
  56 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  57 import com.owncloud.android.ui.dialog.FileActionsDialogFragment;
  58 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  59 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  60 import com.owncloud.android.ui.preview.PreviewImageFragment;
  61 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  62 import com.owncloud.android.ui.preview.PreviewTextFragment;
  63 import com.owncloud.android.utils.FileStorageUtils;
  64
  65 import java.io.File;
  66
  67 /**
  68  * A Fragment that lists all files and folders in a given path.
  69  *
  70  * TODO refactor to get rid of direct dependency on FileDisplayActivity
  71  */
  72 public class OCFileListFragment extends ExtendedListFragment implements FileActionsDialogFragment.FileActionsDialogFragmentListener {
  73
  74     private static final String TAG = OCFileListFragment.class.getSimpleName();
  75
  76     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
  77             OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  78
  79     public final static String ARG_JUST_FOLDERS = MY_PACKAGE + ".JUST_FOLDERS";
  80     public final static String ARG_ALLOW_CONTEXTUAL_ACTIONS = MY_PACKAGE + ".ALLOW_CONTEXTUAL";
  81
  82     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
  83
  84     private FileFragment.ContainerActivity mContainerActivity;
  85
  86     private OCFile mFile = null;
  87     private FileListListAdapter mAdapter;
  88     private boolean mJustFolders;
  89
  90     private OCFile mTargetFile;
  91
  92
  93
  94     /**
  95      * {@inheritDoc}
  96      */
  97     @Override
  98     public void onAttach(Activity activity) {
  99         super.onAttach(activity);
 100         Log_OC.e(TAG, "onAttach");
 101         try {
 102             mContainerActivity = (FileFragment.ContainerActivity) activity;
 103
 104         } catch (ClassCastException e) {
 105             throw new ClassCastException(activity.toString() + " must implement " +
 106                     FileFragment.ContainerActivity.class.getSimpleName());
 107         }
 108         try {
 109             setOnRefreshListener((OnEnforceableRefreshListener) activity);
 110
 111         } catch (ClassCastException e) {
 112             throw new ClassCastException(activity.toString() + " must implement " +
 113                     SwipeRefreshLayout.OnRefreshListener.class.getSimpleName());
 114         }
 115     }
 116
 117
 118     @Override
 119     public void onDetach() {
 120         setOnRefreshListener(null);
 121         mContainerActivity = null;
 122         super.onDetach();
 123     }
 124
 125     /**
 126      * {@inheritDoc}
 127      */
 128     @Override
 129     public void onActivityCreated(Bundle savedInstanceState) {
 130         super.onActivityCreated(savedInstanceState);
 131         Log_OC.e(TAG, "onActivityCreated() start");
 132
 133         if (savedInstanceState != null) {
 134             mFile = savedInstanceState.getParcelable(KEY_FILE);
 135         }
 136
 137         if (mJustFolders) {
 138             setFooterEnabled(false);
 139         } else {
 140             setFooterEnabled(true);
 141         }
 142
 143         Bundle args = getArguments();
 144         mJustFolders = (args == null) ? false : args.getBoolean(ARG_JUST_FOLDERS, false);
 145         mAdapter = new FileListListAdapter(
 146                 mJustFolders,
 147                 getActivity(),
 148                 mContainerActivity
 149         );
 150         setListAdapter(mAdapter);
 151
 152         registerLongClickListener();
 153   }
 154
 155     private void registerLongClickListener() {
 156         getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
 157             public boolean onItemLongClick(AdapterView<?> arg0, View v,
 158                                            int index, long arg3) {
 159                 showFileAction(index);
 160                 return true;
 161             }
 162         });
 163     }
 164
 165
 166     private void showFileAction(int fileIndex) {
 167         Bundle args = getArguments();
 168         PopupMenu pm = new PopupMenu(getActivity(),null);
 169         Menu menu = pm.getMenu();
 170
 171         boolean allowContextualActions =
 172                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 173
 174         if (allowContextualActions) {
 175             MenuInflater inflater = getActivity().getMenuInflater();
 176
 177             inflater.inflate(R.menu.file_actions_menu, menu);
 178             OCFile targetFile = (OCFile) mAdapter.getItem(fileIndex);
 179
 180             if (mContainerActivity.getStorageManager() != null) {
 181                 FileMenuFilter mf = new FileMenuFilter(
 182                         targetFile,
 183                         mContainerActivity.getStorageManager().getAccount(),
 184                         mContainerActivity,
 185                         getActivity()
 186                 );
 187                 mf.filter(menu);
 188             }
 189
 190             /// TODO break this direct dependency on FileDisplayActivity... if possible
 191             MenuItem item = menu.findItem(R.id.action_open_file_with);
 192             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 193             if (frag != null && frag instanceof FileDetailFragment &&
 194                     frag.getFile().getFileId() == targetFile.getFileId()) {
 195                 item = menu.findItem(R.id.action_see_details);
 196                 if (item != null) {
 197                     item.setVisible(false);
 198                     item.setEnabled(false);
 199                 }
 200             }
 201
 202             FileActionsDialogFragment dialog = FileActionsDialogFragment.newInstance(menu, fileIndex, targetFile.getFileName());
 203             dialog.setTargetFragment(this, 0);
 204             dialog.show(getFragmentManager(), FileActionsDialogFragment.FTAG_FILE_ACTIONS);
 205         }
 206     }
 207
 208     /**
 209      * Saves the current listed folder.
 210      */
 211     @Override
 212     public void onSaveInstanceState(Bundle outState) {
 213         super.onSaveInstanceState(outState);
 214         outState.putParcelable(KEY_FILE, mFile);
 215     }
 216
 217     /**
 218      * Call this, when the user presses the up button.
 219      *
 220      * Tries to move up the current folder one level. If the parent folder was removed from the
 221      * database, it continues browsing up until finding an existing folders.
 222      * <p/>
 223      * return       Count of folder levels browsed up.
 224      */
 225     public int onBrowseUp() {
 226         OCFile parentDir = null;
 227         int moveCount = 0;
 228
 229         if (mFile != null) {
 230             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 231
 232             String parentPath = null;
 233             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 234                 parentPath = new File(mFile.getRemotePath()).getParent();
 235                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 236                         parentPath + OCFile.PATH_SEPARATOR;
 237                 parentDir = storageManager.getFileByPath(parentPath);
 238                 moveCount++;
 239             } else {
 240                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 241             }
 242             while (parentDir == null) {
 243                 parentPath = new File(parentPath).getParent();
 244                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 245                         parentPath + OCFile.PATH_SEPARATOR;
 246                 parentDir = storageManager.getFileByPath(parentPath);
 247                 moveCount++;
 248             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 249             mFile = parentDir;
 250
 251             // TODO Enable when "On Device" is recovered ?
 252             listDirectory(mFile /*, MainApp.getOnlyOnDevice()*/);
 253
 254             onRefresh(false);
 255
 256             // restore index and top position
 257             restoreIndexAndTopPosition();
 258
 259         }   // else - should never happen now
 260
 261         return moveCount;
 262     }
 263
 264     @Override
 265     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 266         OCFile file = (OCFile) mAdapter.getItem(position);
 267         if (file != null) {
 268             if (file.isFolder()) {
 269                 // update state and view of this fragment
 270                 // TODO Enable when "On Device" is recovered ?
 271                 listDirectory(file/*, MainApp.getOnlyOnDevice()*/);
 272                 // then, notify parent activity to let it update its state and view
 273                 mContainerActivity.onBrowsedDownTo(file);
 274                 // save index and top position
 275                 saveIndexAndTopPosition(position);
 276
 277             } else { /// Click on a file
 278                 if (PreviewImageFragment.canBePreviewed(file)) {
 279                     // preview image - it handles the download, if needed
 280                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 281                 } else if (PreviewTextFragment.canBePreviewed(file)){
 282                     ((FileDisplayActivity)mContainerActivity).startTextPreview(file);
 283                 } else if (PreviewMediaFragment.canBePreviewed(file)) {
 284                         // media preview
 285                         ((FileDisplayActivity) mContainerActivity).startMediaPreview(file, 0, true);
 286                     } else if (file.isDown()) {
 287                         mContainerActivity.getFileOperationsHelper().openFile(file);
 288                     }
 289                 else {
 290                     // automatic download, preview on finish
 291                     ((FileDisplayActivity) mContainerActivity).startDownloadForPreview(file);
 292                 }
 293
 294             }
 295
 296         } else {
 297             Log_OC.d(TAG, "Null object in ListAdapter!!");
 298         }
 299
 300     }
 301
 302     /**
 303      * {@inheritDoc}
 304      */
 305     @Override
 306     public void onCreateContextMenu(
 307             ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 308         Bundle args = getArguments();
 309         boolean allowContextualActions =
 310                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 311         if (allowContextualActions) {
 312             MenuInflater inflater = getActivity().getMenuInflater();
 313             inflater.inflate(R.menu.file_actions_menu, menu);
 314             AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 315             OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 316
 317             if (mContainerActivity.getStorageManager() != null) {
 318                 FileMenuFilter mf = new FileMenuFilter(
 319                     targetFile,
 320                     mContainerActivity.getStorageManager().getAccount(),
 321                     mContainerActivity,
 322                     getActivity()
 323                 );
 324                 mf.filter(menu);
 325             }
 326
 327             /// TODO break this direct dependency on FileDisplayActivity... if possible
 328             MenuItem item = menu.findItem(R.id.action_open_file_with);
 329             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 330             if (frag != null && frag instanceof FileDetailFragment &&
 331                     frag.getFile().getFileId() == targetFile.getFileId()) {
 332                 item = menu.findItem(R.id.action_see_details);
 333                 if (item != null) {
 334                     item.setVisible(false);
 335                     item.setEnabled(false);
 336                 }
 337             }
 338         }
 339     }
 340
 341     /**
 342      * {@inheritDoc}
 343      */
 344     @Override
 345     public boolean onFileActionChosen(int menuId, int filePosition) {
 346         mTargetFile = (OCFile) mAdapter.getItem(filePosition);
 347         switch (menuId) {
 348             case R.id.action_share_file: {
 349                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 350                 return true;
 351             }
 352             case R.id.action_open_file_with: {
 353                 mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 354                 return true;
 355             }
 356             case R.id.action_unshare_file: {
 357                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 358                 return true;
 359             }
 360             case R.id.action_rename_file: {
 361                 RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 362                 dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 363                 return true;
 364             }
 365             case R.id.action_remove_file: {
 366                 RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 367                 dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 368                 return true;
 369             }
 370             case R.id.action_download_file:
 371             case R.id.action_sync_file: {
 372                 mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 373                 return true;
 374             }
 375             case R.id.action_cancel_sync: {
 376                 ((FileDisplayActivity)mContainerActivity).cancelTransference(mTargetFile);
 377                 return true;
 378             }
 379             case R.id.action_see_details: {
 380                 mContainerActivity.showDetails(mTargetFile);
 381                 return true;
 382             }
 383             case R.id.action_send_file: {
 384                 // Obtain the file
 385                 if (!mTargetFile.isDown()) {  // Download the file
 386                     Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 387                     ((FileDisplayActivity) mContainerActivity).startDownloadForSending(mTargetFile);
 388
 389                 } else {
 390                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 391                 }
 392                 return true;
 393             }
 394             case R.id.action_stream_file: {
 395                 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
 396                 builder.setMessage("May expose password?")
 397                         .setPositiveButton("Stream", new DialogInterface.OnClickListener() {
 398                             public void onClick(DialogInterface dialog, int id) {
 399                                 Account account = ((FileActivity)mContainerActivity).getAccount();
 400                                 Context context = MainApp.getAppContext();
 401                                 String uri = PreviewMediaFragment.generateUrlWithCredentials(account, context, mTargetFile);
 402
 403                                 Intent i = new Intent(android.content.Intent.ACTION_VIEW);
 404                                 i.setData(Uri.parse(uri));
 405                                 startActivity(i);
 406
 407 //                    Intent i = new Intent(Intent.ACTION_VIEW);
 408 //                    i.setComponent(new ComponentName("org.videolan.vlc", "org.videolan.vlc.gui.video.VideoPlayerActivity"));
 409 //                    i.setData(Uri.parse(uri));
 410 //                    startActivity(i);
 411                             }
 412                         })
 413                         .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
 414                             public void onClick(DialogInterface dialog, int id) {
 415                                 // User cancelled the dialog
 416                             }
 417                         });
 418                 builder.show();
 419
 420                 return true;
 421             }
 422             case R.id.action_move: {
 423                 Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 424
 425                 // Pass mTargetFile that contains info of selected file/folder
 426                 action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 427                 getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 428                 return true;
 429             }
 430             case R.id.action_favorite_file: {
 431                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, true);
 432                 return true;
 433             }
 434             case R.id.action_unfavorite_file: {
 435                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, false);
 436                 return true;
 437             }
 438             case R.id.action_copy:
 439                 Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 440
 441                 // Pass mTargetFile that contains info of selected file/folder
 442                 action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 443                 getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_COPY_FILES);
 444                 return true;
 445             default:
 446                 return false;
 447         }
 448     }
 449
 450     /**
 451      * {@inhericDoc}
 452      */
 453     @Override
 454     public boolean onContextItemSelected (MenuItem item) {
 455         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 456         boolean matched = onFileActionChosen(item.getItemId(), ((AdapterContextMenuInfo) item.getMenuInfo()).position);
 457         if(!matched) {
 458             return super.onContextItemSelected(item);
 459         } else {
 460             return matched;
 461         }
 462     }
 463
 464
 465     /**
 466      * Use this to query the {@link OCFile} that is currently
 467      * being displayed by this fragment
 468      *
 469      * @return The currently viewed OCFile
 470      */
 471     public OCFile getCurrentFile() {
 472         return mFile;
 473     }
 474
 475     /**
 476      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 477      */
 478     public void listDirectory(/*boolean onlyOnDevice*/){
 479         listDirectory(null);
 480         // TODO Enable when "On Device" is recovered ?
 481         // listDirectory(null, onlyOnDevice);
 482     }
 483
 484     public void refreshDirectory(){
 485         // TODO Enable when "On Device" is recovered ?
 486         listDirectory(getCurrentFile()/*, MainApp.getOnlyOnDevice()*/);
 487     }
 488
 489     /**
 490      * Lists the given directory on the view. When the input parameter is null,
 491      * it will either refresh the last known directory. list the root
 492      * if there never was a directory.
 493      *
 494      * @param directory File to be listed
 495      */
 496     public void listDirectory(OCFile directory/*, boolean onlyOnDevice*/) {
 497         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 498         if (storageManager != null) {
 499
 500             // Check input parameters for null
 501             if (directory == null) {
 502                 if (mFile != null) {
 503                     directory = mFile;
 504                 } else {
 505                     directory = storageManager.getFileByPath("/");
 506                     if (directory == null) return; // no files, wait for sync
 507                 }
 508             }
 509
 510
 511             // If that's not a directory -> List its parent
 512             if (!directory.isFolder()) {
 513                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 514                 directory = storageManager.getFileById(directory.getParentId());
 515             }
 516
 517             // TODO Enable when "On Device" is recovered ?
 518             mAdapter.swapDirectory(directory, storageManager/*, onlyOnDevice*/);
 519             if (mFile == null || !mFile.equals(directory)) {
 520                 mCurrentListView.setSelection(0);
 521             }
 522             mFile = directory;
 523
 524             updateLayout();
 525
 526         }
 527     }
 528
 529     private void updateLayout() {
 530         if (!mJustFolders) {
 531             int filesCount = 0, foldersCount = 0, imagesCount = 0;
 532             int count = mAdapter.getCount();
 533             OCFile file;
 534             for (int i=0; i < count ; i++) {
 535                 file = (OCFile) mAdapter.getItem(i);
 536                 if (file.isFolder()) {
 537                     foldersCount++;
 538                 } else {
 539                     if (!file.isHidden()) {
 540                         filesCount++;
 541
 542                         if (file.isImage()) {
 543                             imagesCount++;
 544                         }
 545                     }
 546                 }
 547             }
 548             // set footer text
 549             setFooterText(generateFooterText(filesCount, foldersCount));
 550
 551             // decide grid vs list view
 552             OwnCloudVersion version = AccountUtils.getServerVersion(
 553                     ((FileActivity) mContainerActivity).getAccount());
 554             if (version != null && version.supportsRemoteThumbnails() &&
 555                 imagesCount > 0 && imagesCount == filesCount) {
 556                 switchToGridView();
 557                 registerLongClickListener();
 558             } else {
 559                 switchToListView();
 560             }
 561         }
 562     }
 563
 564     private String generateFooterText(int filesCount, int foldersCount) {
 565         String output;
 566         if (filesCount <= 0) {
 567             if (foldersCount <= 0) {
 568                 output = "";
 569
 570             } else if (foldersCount == 1) {
 571                 output = getResources().getString(R.string.file_list__footer__folder);
 572
 573             } else { // foldersCount > 1
 574                 output = getResources().getString(R.string.file_list__footer__folders, foldersCount);
 575             }
 576
 577         } else if (filesCount == 1) {
 578             if (foldersCount <= 0) {
 579                 output = getResources().getString(R.string.file_list__footer__file);
 580
 581             } else if (foldersCount == 1) {
 582                 output = getResources().getString(R.string.file_list__footer__file_and_folder);
 583
 584             } else { // foldersCount > 1
 585                 output = getResources().getString(R.string.file_list__footer__file_and_folders, foldersCount);
 586             }
 587         } else {    // filesCount > 1
 588             if (foldersCount <= 0) {
 589                 output = getResources().getString(R.string.file_list__footer__files, filesCount);
 590
 591             } else if (foldersCount == 1) {
 592                 output = getResources().getString(R.string.file_list__footer__files_and_folder, filesCount);
 593
 594             } else { // foldersCount > 1
 595                 output = getResources().getString(
 596                         R.string.file_list__footer__files_and_folders, filesCount, foldersCount
 597                 );
 598
 599             }
 600         }
 601         return output;
 602     }
 603
 604     public void sortByName(boolean descending) {
 605         mAdapter.setSortOrder(FileStorageUtils.SORT_NAME, descending);
 606     }
 607
 608     public void sortByDate(boolean descending) {
 609         mAdapter.setSortOrder(FileStorageUtils.SORT_DATE, descending);
 610     }
 611
 612     public void sortBySize(boolean descending) {
 613         mAdapter.setSortOrder(FileStorageUtils.SORT_SIZE, descending);
 614     }
 615 }