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             FileActionsDialogFragment dialog = FileActionsDialogFragment.newInstance(menu, fileIndex);
 239             dialog.setTargetFragment(this, 0);
 240             dialog.show(getFragmentManager(), FileActionsDialogFragment.FTAG_FILE_ACTIONS);
 241         }
 242     }
 243
 244     /**
 245      * Saves the current listed folder.
 246      */
 247     @Override
 248     public void onSaveInstanceState (Bundle outState) {
 249         super.onSaveInstanceState(outState);
 250         outState.putParcelable(KEY_FILE, mFile);
 251     }
 252
 253     /**
 254      * Call this, when the user presses the up button.
 255      *
 256      * Tries to move up the current folder one level. If the parent folder was removed from the
 257      * database, it continues browsing up until finding an existing folders.
 258      *
 259      * return       Count of folder levels browsed up.
 260      */
 261     public int onBrowseUp() {
 262         OCFile parentDir = null;
 263         int moveCount = 0;
 264
 265         if(mFile != null){
 266             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 267
 268             String parentPath = null;
 269             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 270                 parentPath = new File(mFile.getRemotePath()).getParent();
 271                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 272                         parentPath + OCFile.PATH_SEPARATOR;
 273                 parentDir = storageManager.getFileByPath(parentPath);
 274                 moveCount++;
 275             } else {
 276                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 277             }
 278             while (parentDir == null) {
 279                 parentPath = new File(parentPath).getParent();
 280                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 281                         parentPath + OCFile.PATH_SEPARATOR;
 282                 parentDir = storageManager.getFileByPath(parentPath);
 283                 moveCount++;
 284             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 285             mFile = parentDir;
 286
 287             // TODO Enable when "On Device" is recovered ?
 288             listDirectory(mFile /*, MainApp.getOnlyOnDevice()*/);
 289
 290             onRefresh(false);
 291
 292             // restore index and top position
 293             restoreIndexAndTopPosition();
 294
 295         }   // else - should never happen now
 296
 297         return moveCount;
 298     }
 299
 300     @Override
 301     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 302         OCFile file = (OCFile) mAdapter.getItem(position);
 303         if (file != null) {
 304             if (file.isFolder()) {
 305                 // update state and view of this fragment
 306                 // TODO Enable when "On Device" is recovered ?
 307                 listDirectory(file/*, MainApp.getOnlyOnDevice()*/);
 308                 // then, notify parent activity to let it update its state and view
 309                 mContainerActivity.onBrowsedDownTo(file);
 310                 // save index and top position
 311                 saveIndexAndTopPosition(position);
 312
 313             } else { /// Click on a file
 314                 if (PreviewImageFragment.canBePreviewed(file)) {
 315                     // preview image - it handles the download, if needed
 316                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 317
 318                 } else if (file.isDown()) {
 319                     if (PreviewMediaFragment.canBePreviewed(file)) {
 320                         // media preview
 321                         ((FileDisplayActivity)mContainerActivity).startMediaPreview(file, 0, true);
 322                     } else {
 323                         mContainerActivity.getFileOperationsHelper().openFile(file);
 324                     }
 325
 326                 } else {
 327                     // automatic download, preview on finish
 328                     ((FileDisplayActivity)mContainerActivity).startDownloadForPreview(file);
 329                 }
 330
 331             }
 332
 333         } else {
 334             Log_OC.d(TAG, "Null object in ListAdapter!!");
 335         }
 336
 337     }
 338
 339     /**
 340      * {@inheritDoc}
 341      */
 342     @Override
 343     public void onCreateContextMenu (
 344             ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 345         Bundle args = getArguments();
 346         boolean allowContextualActions =
 347                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 348         if (allowContextualActions) {
 349             MenuInflater inflater = getActivity().getMenuInflater();
 350             inflater.inflate(R.menu.file_actions_menu, menu);
 351             AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 352             OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 353
 354             if (mContainerActivity.getStorageManager() != null) {
 355                 FileMenuFilter mf = new FileMenuFilter(
 356                     targetFile,
 357                     mContainerActivity.getStorageManager().getAccount(),
 358                     mContainerActivity,
 359                     getActivity()
 360                 );
 361                 mf.filter(menu);
 362             }
 363
 364             /// TODO break this direct dependency on FileDisplayActivity... if possible
 365             MenuItem item = menu.findItem(R.id.action_open_file_with);
 366             FileFragment frag = ((FileDisplayActivity)getActivity()).getSecondFragment();
 367             if (frag != null && frag instanceof FileDetailFragment &&
 368                     frag.getFile().getFileId() == targetFile.getFileId()) {
 369                 item = menu.findItem(R.id.action_see_details);
 370                 if (item != null) {
 371                     item.setVisible(false);
 372                     item.setEnabled(false);
 373                 }
 374             }
 375         }
 376     }
 377
 378     /**
 379      * {@inheritDoc}
 380      */
 381     @Override
 382     public boolean onFileActionChosen(int menuId, int filePosition) {
 383         mTargetFile = (OCFile) mAdapter.getItem(filePosition);
 384         switch (menuId) {
 385             case R.id.action_share_file: {
 386                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 387                 return true;
 388             }
 389             case R.id.action_open_file_with: {
 390                 mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 391                 return true;
 392             }
 393             case R.id.action_unshare_file: {
 394                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 395                 return true;
 396             }
 397             case R.id.action_rename_file: {
 398                 RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 399                 dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 400                 return true;
 401             }
 402             case R.id.action_remove_file: {
 403                 RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 404                 dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 405                 return true;
 406             }
 407             case R.id.action_download_file:
 408             case R.id.action_sync_file: {
 409                 mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 410                 return true;
 411             }
 412             case R.id.action_cancel_download:
 413             case R.id.action_cancel_upload: {
 414                 ((FileDisplayActivity) mContainerActivity).cancelTransference(mTargetFile);
 415                 return true;
 416             }
 417             case R.id.action_see_details: {
 418                 mContainerActivity.showDetails(mTargetFile);
 419                 return true;
 420             }
 421             case R.id.action_send_file: {
 422                 // Obtain the file
 423                 if (!mTargetFile.isDown()) {  // Download the file
 424                     Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 425                     ((FileDisplayActivity) mContainerActivity).startDownloadForSending(mTargetFile);
 426
 427                 } else {
 428                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 429                 }
 430                 return true;
 431             }
 432             case R.id.action_move: {
 433                 Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 434
 435                 // Pass mTargetFile that contains info of selected file/folder
 436                 action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 437                 getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 438                 return true;
 439             }
 440             case R.id.action_favorite_file: {
 441                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, true);
 442                 return true;
 443             }
 444             case R.id.action_unfavorite_file: {
 445                 mContainerActivity.getFileOperationsHelper().toggleFavorite(mTargetFile, false);
 446                 return true;
 447             }
 448             default:
 449                 return false;
 450         }
 451     }
 452
 453     /**
 454      * {@inhericDoc}
 455      */
 456     @Override
 457     public boolean onContextItemSelected (MenuItem item) {
 458         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 459         boolean matched = onFileActionChosen(item.getItemId(), ((AdapterContextMenuInfo) item.getMenuInfo()).position);
 460         if(!matched) {
 461             return super.onContextItemSelected(item);
 462         } else {
 463             return matched;
 464         }
 465     }
 466
 467
 468     /**
 469      * Use this to query the {@link OCFile} that is currently
 470      * being displayed by this fragment
 471      * @return The currently viewed OCFile
 472      */
 473     public OCFile getCurrentFile(){
 474         return mFile;
 475     }
 476
 477     /**
 478      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 479      */
 480     public void listDirectory(/*boolean onlyOnDevice*/){
 481         listDirectory(null);
 482         // TODO Enable when "On Device" is recovered ?
 483         // listDirectory(null, onlyOnDevice);
 484     }
 485
 486     public void refreshDirectory(){
 487         // TODO Enable when "On Device" is recovered ?
 488         listDirectory(getCurrentFile()/*, MainApp.getOnlyOnDevice()*/);
 489     }
 490
 491     /**
 492      * Lists the given directory on the view. When the input parameter is null,
 493      * it will either refresh the last known directory. list the root
 494      * if there never was a directory.
 495      *
 496      * @param directory File to be listed
 497      */
 498     public void listDirectory(OCFile directory/*, boolean onlyOnDevice*/) {
 499         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 500         if (storageManager != null) {
 501
 502             // Check input parameters for null
 503             if(directory == null){
 504                 if(mFile != null){
 505                     directory = mFile;
 506                 } else {
 507                     directory = storageManager.getFileByPath("/");
 508                     if (directory == null) return; // no files, wait for sync
 509                 }
 510             }
 511
 512
 513             // If that's not a directory -> List its parent
 514             if(!directory.isFolder()){
 515                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 516                 directory = storageManager.getFileById(directory.getParentId());
 517             }
 518
 519             // TODO Enable when "On Device" is recovered ?
 520             mAdapter.swapDirectory(directory, storageManager/*, onlyOnDevice*/);
 521             if (mFile == null || !mFile.equals(directory)) {
 522                 mCurrentListView.setSelection(0);
 523             }
 524             mFile = directory;
 525
 526             updateLayout();
 527
 528         }
 529     }
 530
 531     private void updateLayout() {
 532         if (!mJustFolders) {
 533             int filesCount = 0, foldersCount = 0, imagesCount = 0;
 534             int count = mAdapter.getCount();
 535             OCFile file;
 536             for (int i=0; i < count ; i++) {
 537                 file = (OCFile) mAdapter.getItem(i);
 538                 if (file.isFolder()) {
 539                     foldersCount++;
 540                 } else {
 541                     filesCount++;
 542                     if (file.isImage()){
 543                         imagesCount++;
 544                     }
 545                 }
 546             }
 547             // set footer text
 548             setFooterText(generateFooterText(filesCount, foldersCount));
 549
 550             // decide grid vs list view
 551             OwnCloudVersion version = AccountUtils.getServerVersion(
 552                     ((FileActivity)mContainerActivity).getAccount());
 553             if (version != null && version.supportsRemoteThumbnails() &&
 554                 imagesCount > 0 && imagesCount == filesCount) {
 555                 switchToGridView();
 556                 registerLongClickListener();
 557             } else {
 558                 switchToListView();
 559             }
 560         }
 561     }
 562
 563     private String generateFooterText(int filesCount, int foldersCount) {
 564         String output;
 565         if (filesCount <= 0) {
 566             if (foldersCount <= 0) {
 567                 output = "";
 568
 569             } else if (foldersCount == 1) {
 570                 output = getResources().getString(R.string.file_list__footer__folder);
 571
 572             } else { // foldersCount > 1
 573                 output = getResources().getString(R.string.file_list__footer__folders, foldersCount);
 574             }
 575
 576         } else if (filesCount == 1) {
 577             if (foldersCount <= 0) {
 578                 output = getResources().getString(R.string.file_list__footer__file);
 579
 580             } else if (foldersCount == 1) {
 581                 output = getResources().getString(R.string.file_list__footer__file_and_folder);
 582
 583             } else { // foldersCount > 1
 584                 output = getResources().getString(R.string.file_list__footer__file_and_folders, foldersCount);
 585             }
 586         } else {    // filesCount > 1
 587             if (foldersCount <= 0) {
 588                 output = getResources().getString(R.string.file_list__footer__files, filesCount);
 589
 590             } else if (foldersCount == 1) {
 591                 output = getResources().getString(R.string.file_list__footer__files_and_folder, filesCount);
 592
 593             } else { // foldersCount > 1
 594                 output = getResources().getString(
 595                         R.string.file_list__footer__files_and_folders, filesCount, foldersCount
 596                 );
 597
 598             }
 599         }
 600         return output;
 601     }
 602
 603     public void sortByName(boolean descending) {
 604         mAdapter.setSortOrder(FileStorageUtils.SORT_NAME, descending);
 605     }
 606
 607     public void sortByDate(boolean descending) {
 608         mAdapter.setSortOrder(FileStorageUtils.SORT_DATE, descending);
 609     }
 610
 611     public void sortBySize(boolean descending) {
 612         mAdapter.setSortOrder(FileStorageUtils.SORT_SIZE, descending);
 613     }
 614 }