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 java.io.File;
  26
  27 import android.app.Activity;
  28 import android.content.Intent;
  29 import android.os.Bundle;
  30 import android.support.v4.widget.SwipeRefreshLayout;
  31 import android.view.ContextMenu;
  32 import android.view.LayoutInflater;
  33 import android.view.Menu;
  34 import android.view.MenuInflater;
  35 import android.view.MenuItem;
  36 import android.view.View;
  37 import android.view.ViewGroup;
  38 import android.widget.AdapterView;
  39 import android.widget.AdapterView.AdapterContextMenuInfo;
  40 import android.widget.ListView;
  41 import android.widget.PopupMenu;
  42 import android.widget.Toast;
  43
  44 import com.getbase.floatingactionbutton.FloatingActionsMenu;
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.authentication.AccountUtils;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.files.FileMenuFilter;
  50 import com.owncloud.android.lib.common.utils.Log_OC;
  51 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  52 import com.owncloud.android.ui.activity.FileActivity;
  53 import com.owncloud.android.ui.activity.FileDisplayActivity;
  54 import com.owncloud.android.ui.activity.FolderPickerActivity;
  55 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
  56 import com.owncloud.android.ui.adapter.FileListListAdapter;
  57 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  58 import com.owncloud.android.ui.dialog.FileActionsDialogFragment;
  59 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  60 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  61 import com.owncloud.android.ui.preview.PreviewImageFragment;
  62 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  63 import com.owncloud.android.utils.DialogMenuItem;
  64 import com.owncloud.android.utils.FileStorageUtils;
  65
  66 /**
  67  * A Fragment that lists all files and folders in a given path.
  68  *
  69  * TODO refactor to get rid of direct dependency on FileDisplayActivity
  70  */
  71 public class OCFileListFragment extends ExtendedListFragment implements FileActionsDialogFragment.FileActionsDialogFragmentListener {
  72
  73     private static final String TAG = OCFileListFragment.class.getSimpleName();
  74
  75     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
  76             OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  77
  78     public final static String ARG_JUST_FOLDERS = MY_PACKAGE + ".JUST_FOLDERS";
  79     public final static String ARG_ALLOW_CONTEXTUAL_ACTIONS = MY_PACKAGE + ".ALLOW_CONTEXTUAL";
  80
  81     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
  82
  83     private FileFragment.ContainerActivity mContainerActivity;
  84
  85     private OCFile mFile = null;
  86     private FileListListAdapter mAdapter;
  87     private boolean mJustFolders;
  88
  89     private OCFile mTargetFile;
  90
  91
  92
  93     /**
  94      * {@inheritDoc}
  95      */
  96     @Override
  97     public void onAttach(Activity activity) {
  98         super.onAttach(activity);
  99         Log_OC.e(TAG, "onAttach");
 100         try {
 101             mContainerActivity = (FileFragment.ContainerActivity) activity;
 102
 103         } catch (ClassCastException e) {
 104             throw new ClassCastException(activity.toString() + " must implement " +
 105                     FileFragment.ContainerActivity.class.getSimpleName());
 106         }
 107         try {
 108             setOnRefreshListener((OnEnforceableRefreshListener) activity);
 109
 110         } catch (ClassCastException e) {
 111             throw new ClassCastException(activity.toString() + " must implement " +
 112                     SwipeRefreshLayout.OnRefreshListener.class.getSimpleName());
 113         }
 114     }
 115
 116     /**
 117      * {@inheritDoc}
 118      */
 119     @Override
 120     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 121         Log_OC.i(TAG, "onCreateView() start");
 122         View v = super.onCreateView(inflater, container, savedInstanceState);
 123
 124         // Setup FAB listeners
 125         getFabUpload().setOnClickListener(new View.OnClickListener() {
 126             @Override
 127             public void onClick(View v) {
 128                 ((FileDisplayActivity)getActivity()).uploadLocalFilesSelected();
 129                 getFabMain().collapse();
 130             }
 131         });
 132
 133         getFabMkdir().setOnClickListener(new View.OnClickListener() {
 134             @Override
 135             public void onClick(View v) {
 136                 ((FileDisplayActivity) getActivity()).createFolder();
 137                 getFabMain().collapse();
 138             }
 139         });
 140
 141         getFabUploadFromApp().setOnClickListener(new View.OnClickListener() {
 142             @Override
 143             public void onClick(View v) {
 144                 ((FileDisplayActivity) getActivity()).uploadFromOtherAppsSelected();
 145                 getFabMain().collapse();
 146             }
 147         });
 148
 149         Log_OC.i(TAG, "onCreateView() end");
 150         return v;
 151     }
 152
 153
 154     @Override
 155     public void onDetach() {
 156         setOnRefreshListener(null);
 157         mContainerActivity = null;
 158         super.onDetach();
 159     }
 160
 161     /**
 162      * {@inheritDoc}
 163      */
 164     @Override
 165     public void onActivityCreated(Bundle savedInstanceState) {
 166         super.onActivityCreated(savedInstanceState);
 167         Log_OC.e(TAG, "onActivityCreated() start");
 168
 169         if (savedInstanceState != null) {
 170             mFile = savedInstanceState.getParcelable(KEY_FILE);
 171         }
 172
 173         if (mJustFolders) {
 174             setFooterEnabled(false);
 175         } else {
 176             setFooterEnabled(true);
 177         }
 178
 179         Bundle args = getArguments();
 180         mJustFolders = (args == null) ? false : args.getBoolean(ARG_JUST_FOLDERS, false);
 181         mAdapter = new FileListListAdapter(
 182                 mJustFolders,
 183                 getActivity(),
 184                 mContainerActivity
 185                 );
 186         setListAdapter(mAdapter);
 187
 188         registerLongClickListener();
 189   }
 190
 191     private void registerLongClickListener() {
 192         getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
 193             public boolean onItemLongClick(AdapterView<?> arg0, View v,
 194                                            int index, long arg3) {
 195                 showFileAction(index);
 196                 return true;
 197             }
 198         });
 199     }
 200
 201
 202     private void showFileAction(int fileIndex) {
 203         Bundle args = getArguments();
 204         PopupMenu pm = new PopupMenu(getActivity(),null);
 205         Menu menu = pm.getMenu();
 206
 207         boolean allowContextualActions =
 208                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 209
 210         if (allowContextualActions) {
 211             MenuInflater inflater = getActivity().getMenuInflater();
 212
 213             inflater.inflate(R.menu.file_actions_menu, menu);
 214             OCFile targetFile = (OCFile) mAdapter.getItem(fileIndex);
 215
 216             if (mContainerActivity.getStorageManager() != null) {
 217                 FileMenuFilter mf = new FileMenuFilter(
 218                         targetFile,
 219                         mContainerActivity.getStorageManager().getAccount(),
 220                         mContainerActivity,
 221                         getActivity()
 222                 );
 223                 mf.filter(menu);
 224             }
 225
 226             /// TODO break this direct dependency on FileDisplayActivity... if possible
 227             MenuItem item = menu.findItem(R.id.action_open_file_with);
 228             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 229             if (frag != null && frag instanceof FileDetailFragment &&
 230                     frag.getFile().getFileId() == targetFile.getFileId()) {
 231                 item = menu.findItem(R.id.action_see_details);
 232                 if (item != null) {
 233                     item.setVisible(false);
 234                     item.setEnabled(false);
 235                 }
 236             }
 237
 238             MenuItem menuItem = new DialogMenuItem(item.getItemId());
 239             FileActionsDialogFragment dialog = FileActionsDialogFragment.newInstance(menu, fileIndex);
 240             dialog.setTargetFragment(this, 0);
 241             dialog.show(getFragmentManager(), FileActionsDialogFragment.FTAG_FILE_ACTIONS);
 242         }
 243     }
 244
 245     /**
 246      * Saves the current listed folder.
 247      */
 248     @Override
 249     public void onSaveInstanceState (Bundle outState) {
 250         super.onSaveInstanceState(outState);
 251         outState.putParcelable(KEY_FILE, mFile);
 252     }
 253
 254     /**
 255      * Call this, when the user presses the up button.
 256      *
 257      * Tries to move up the current folder one level. If the parent folder was removed from the
 258      * database, it continues browsing up until finding an existing folders.
 259      *
 260      * return       Count of folder levels browsed up.
 261      */
 262     public int onBrowseUp() {
 263         OCFile parentDir = null;
 264         int moveCount = 0;
 265
 266         if(mFile != null){
 267             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 268
 269             String parentPath = null;
 270             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 271                 parentPath = new File(mFile.getRemotePath()).getParent();
 272                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 273                         parentPath + OCFile.PATH_SEPARATOR;
 274                 parentDir = storageManager.getFileByPath(parentPath);
 275                 moveCount++;
 276             } else {
 277                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 278             }
 279             while (parentDir == null) {
 280                 parentPath = new File(parentPath).getParent();
 281                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 282                         parentPath + OCFile.PATH_SEPARATOR;
 283                 parentDir = storageManager.getFileByPath(parentPath);
 284                 moveCount++;
 285             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 286             mFile = parentDir;
 287
 288             // TODO Enable when "On Device" is recovered ?
 289             listDirectory(mFile /*, MainApp.getOnlyOnDevice()*/);
 290
 291             onRefresh(false);
 292
 293             // restore index and top position
 294             restoreIndexAndTopPosition();
 295
 296         }   // else - should never happen now
 297
 298         return moveCount;
 299     }
 300
 301     @Override
 302     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 303         OCFile file = (OCFile) mAdapter.getItem(position);
 304         if (file != null) {
 305             if (file.isFolder()) {
 306                 // update state and view of this fragment
 307                 // TODO Enable when "On Device" is recovered ?
 308                 listDirectory(file/*, MainApp.getOnlyOnDevice()*/);
 309                 // then, notify parent activity to let it update its state and view
 310                 mContainerActivity.onBrowsedDownTo(file);
 311                 // save index and top position
 312                 saveIndexAndTopPosition(position);
 313
 314             } else { /// Click on a file
 315                 if (PreviewImageFragment.canBePreviewed(file)) {
 316                     // preview image - it handles the download, if needed
 317                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 318
 319                 } else if (file.isDown()) {
 320                     if (PreviewMediaFragment.canBePreviewed(file)) {
 321                         // media preview
 322                         ((FileDisplayActivity)mContainerActivity).startMediaPreview(file, 0, true);
 323                     } else {
 324                         mContainerActivity.getFileOperationsHelper().openFile(file);
 325                     }
 326
 327                 } else {
 328                     // automatic download, preview on finish
 329                     ((FileDisplayActivity)mContainerActivity).startDownloadForPreview(file);
 330                 }
 331
 332             }
 333
 334         } else {
 335             Log_OC.d(TAG, "Null object in ListAdapter!!");
 336         }
 337
 338     }
 339
 340     /**
 341      * {@inheritDoc}
 342      */
 343     @Override
 344     public void onCreateContextMenu (
 345             ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 346         Bundle args = getArguments();
 347         boolean allowContextualActions =
 348                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 349         if (allowContextualActions) {
 350             MenuInflater inflater = getActivity().getMenuInflater();
 351             inflater.inflate(R.menu.file_actions_menu, menu);
 352             AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 353             OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 354
 355             if (mContainerActivity.getStorageManager() != null) {
 356                 FileMenuFilter mf = new FileMenuFilter(
 357                     targetFile,
 358                     mContainerActivity.getStorageManager().getAccount(),
 359                     mContainerActivity,
 360                     getActivity()
 361                 );
 362                 mf.filter(menu);
 363             }
 364
 365             /// TODO break this direct dependency on FileDisplayActivity... if possible
 366             MenuItem item = menu.findItem(R.id.action_open_file_with);
 367             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 368             if (frag != null && frag instanceof FileDetailFragment &&
 369                     frag.getFile().getFileId() == targetFile.getFileId()) {
 370                 item = menu.findItem(R.id.action_see_details);
 371                 if (item != null) {
 372                     item.setVisible(false);
 373                     item.setEnabled(false);
 374                 }
 375             }
 376         }
 377     }
 378
 379     /**
 380      * {@inheritDoc}
 381      */
 382     @Override
 383     public boolean onFileActionChosen(int menuId, int filePosition) {
 384         mTargetFile = (OCFile) mAdapter.getItem(filePosition);
 385         switch (menuId) {
 386             case R.id.action_share_file: {
 387                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 388                 return true;
 389             }
 390             case R.id.action_open_file_with: {
 391                 mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 392                 return true;
 393             }
 394             case R.id.action_unshare_file: {
 395                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 396                 return true;
 397             }
 398             case R.id.action_rename_file: {
 399                 RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 400                 dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 401                 return true;
 402             }
 403             case R.id.action_remove_file: {
 404                 RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 405                 dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 406                 return true;
 407             }
 408             case R.id.action_download_file:
 409             case R.id.action_sync_file: {
 410                 mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 411                 return true;
 412             }
 413             case R.id.action_cancel_download:
 414             case R.id.action_cancel_upload: {
 415                 ((FileDisplayActivity) mContainerActivity).cancelTransference(mTargetFile);
 416                 return true;
 417             }
 418             case R.id.action_see_details: {
 419                 mContainerActivity.showDetails(mTargetFile);
 420                 return true;
 421             }
 422             case R.id.action_send_file: {
 423                 // Obtain the file
 424                 if (!mTargetFile.isDown()) {  // Download the file
 425                     Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 426                     ((FileDisplayActivity) mContainerActivity).startDownloadForSending(mTargetFile);
 427
 428                 } else {
 429                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 430                 }
 431                 return true;
 432             }
 433             case R.id.action_move: {
 434                 Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 435
 436                 // Pass mTargetFile that contains info of selected file/folder
 437                 action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 438                 getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 439                 return true;
 440             }
 441             case R.id.action_favorite_file: {
 442                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, true);
 443                 return true;
 444             }
 445             case R.id.action_unfavorite_file: {
 446                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, false);
 447                 return true;
 448             }
 449             default:
 450                 return false;
 451         }
 452     }
 453
 454     /**
 455      * {@inhericDoc}
 456      */
 457     @Override
 458     public boolean onContextItemSelected (MenuItem item) {
 459         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 460         boolean matched = onFileActionChosen(item.getItemId(), ((AdapterContextMenuInfo) item.getMenuInfo()).position);
 461         if(!matched) {
 462             return super.onContextItemSelected(item);
 463         } else {
 464             return matched;
 465         }
 466     }
 467
 468
 469     /**
 470      * Use this to query the {@link OCFile} that is currently
 471      * being displayed by this fragment
 472      * @return The currently viewed OCFile
 473      */
 474     public OCFile getCurrentFile(){
 475         return mFile;
 476     }
 477
 478     /**
 479      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 480      */
 481     public void listDirectory(/*boolean onlyOnDevice*/){
 482         listDirectory(null);
 483         // TODO Enable when "On Device" is recovered ?
 484         // listDirectory(null, onlyOnDevice);
 485     }
 486
 487     public void refreshDirectory(){
 488         // TODO Enable when "On Device" is recovered ?
 489         listDirectory(getCurrentFile()/*, MainApp.getOnlyOnDevice()*/);
 490     }
 491
 492     /**
 493      * Lists the given directory on the view. When the input parameter is null,
 494      * it will either refresh the last known directory. list the root
 495      * if there never was a directory.
 496      *
 497      * @param directory File to be listed
 498      */
 499     public void listDirectory(OCFile directory/*, boolean onlyOnDevice*/) {
 500         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 501         if (storageManager != null) {
 502
 503             // Check input parameters for null
 504             if(directory == null){
 505                 if(mFile != null){
 506                     directory = mFile;
 507                 } else {
 508                     directory = storageManager.getFileByPath("/");
 509                     if (directory == null) return; // no files, wait for sync
 510                 }
 511             }
 512
 513
 514             // If that's not a directory -> List its parent
 515             if(!directory.isFolder()){
 516                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 517                 directory = storageManager.getFileById(directory.getParentId());
 518             }
 519
 520             // TODO Enable when "On Device" is recovered ?
 521             mAdapter.swapDirectory(directory, storageManager/*, onlyOnDevice*/);
 522             if (mFile == null || !mFile.equals(directory)) {
 523                 mCurrentListView.setSelection(0);
 524             }
 525             mFile = directory;
 526
 527             updateLayout();
 528
 529         }
 530     }
 531
 532     private void updateLayout() {
 533         if (!mJustFolders) {
 534             int filesCount = 0, foldersCount = 0, imagesCount = 0;
 535             int count = mAdapter.getCount();
 536             OCFile file;
 537             for (int i=0; i < count ; i++) {
 538                 file = (OCFile) mAdapter.getItem(i);
 539                 if (file.isFolder()) {
 540                     foldersCount++;
 541                 } else {
 542                     filesCount++;
 543                     if (file.isImage()){
 544                         imagesCount++;
 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 }