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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   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.Vector;
  22
  23 import android.app.Activity;
  24 import android.content.Context;
  25 import android.content.Intent;
  26 import android.os.Bundle;
  27 import android.support.v4.widget.SwipeRefreshLayout;
  28 import android.view.ContextMenu;
  29 import android.view.LayoutInflater;
  30 import android.view.MenuInflater;
  31 import android.view.MenuItem;
  32 import android.view.View;
  33 import android.widget.AdapterView;
  34 import android.widget.AdapterView.AdapterContextMenuInfo;
  35 import android.widget.TextView;
  36
  37 import com.owncloud.android.MainApp;
  38 import com.owncloud.android.R;
  39 import com.owncloud.android.datamodel.FileDataStorageManager;
  40 import com.owncloud.android.datamodel.OCFile;
  41 import com.owncloud.android.files.FileMenuFilter;
  42 import com.owncloud.android.lib.common.utils.Log_OC;
  43 import com.owncloud.android.ui.activity.FileDisplayActivity;
  44 import com.owncloud.android.ui.activity.FolderPickerActivity;
  45 import com.owncloud.android.ui.activity.OnEnforceableRefreshListener;
  46 import com.owncloud.android.ui.adapter.FileListListAdapter;
  47 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  48 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  49 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  50 import com.owncloud.android.ui.preview.PreviewImageFragment;
  51 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  52
  53 /**
  54  * A Fragment that lists all files and folders in a given path.
  55  *
  56  * TODO refactorize to get rid of direct dependency on FileDisplayActivity
  57  *
  58  * @author Bartek Przybylski
  59  * @author masensio
  60  * @author David A. Velasco
  61  */
  62 public class OCFileListFragment extends ExtendedListFragment {
  63
  64     private static final String TAG = OCFileListFragment.class.getSimpleName();
  65
  66     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ?
  67             OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  68
  69     public final static String ARG_JUST_FOLDERS = MY_PACKAGE + ".JUST_FOLDERS";
  70     public final static String ARG_ALLOW_CONTEXTUAL_ACTIONS = MY_PACKAGE + ".ALLOW_CONTEXTUAL";
  71
  72     private static final String KEY_FILE = MY_PACKAGE + ".extra.FILE";
  73
  74     private FileFragment.ContainerActivity mContainerActivity;
  75
  76     private OCFile mFile = null;
  77     private FileListListAdapter mAdapter;
  78     private View mFooterView;
  79
  80     private OCFile mTargetFile;
  81
  82
  83
  84     /**
  85      * {@inheritDoc}
  86      */
  87     @Override
  88     public void onAttach(Activity activity) {
  89         super.onAttach(activity);
  90         Log_OC.e(TAG, "onAttach");
  91         try {
  92             mContainerActivity = (FileFragment.ContainerActivity) activity;
  93
  94         } catch (ClassCastException e) {
  95             throw new ClassCastException(activity.toString() + " must implement " +
  96                     FileFragment.ContainerActivity.class.getSimpleName());
  97         }
  98         try {
  99             setOnRefreshListener((OnEnforceableRefreshListener) activity);
 100
 101         } catch (ClassCastException e) {
 102             throw new ClassCastException(activity.toString() + " must implement " +
 103                     SwipeRefreshLayout.OnRefreshListener.class.getSimpleName());
 104         }
 105     }
 106
 107
 108     @Override
 109     public void onDetach() {
 110         setOnRefreshListener(null);
 111         mContainerActivity = null;
 112         super.onDetach();
 113     }
 114
 115     /**
 116      * {@inheritDoc}
 117      */
 118     @Override
 119     public void onActivityCreated(Bundle savedInstanceState) {
 120         super.onActivityCreated(savedInstanceState);
 121         Log_OC.e(TAG, "onActivityCreated() start");
 122
 123         if (savedInstanceState != null) {
 124             mFile = savedInstanceState.getParcelable(KEY_FILE);
 125         }
 126
 127         mFooterView = ((LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(
 128                         R.layout.list_footer, null, false);
 129         setFooterView(mFooterView);
 130
 131         Bundle args = getArguments();
 132         boolean justFolders = (args == null) ? false : args.getBoolean(ARG_JUST_FOLDERS, false);
 133         mAdapter = new FileListListAdapter(
 134                 justFolders,
 135                 getSherlockActivity(),
 136                 mContainerActivity
 137                 );
 138         setListAdapter(mAdapter);
 139
 140         registerForContextMenu(getListView());
 141         getListView().setOnCreateContextMenuListener(this);
 142     }
 143
 144     /**
 145      * Saves the current listed folder.
 146      */
 147     @Override
 148     public void onSaveInstanceState (Bundle outState) {
 149         super.onSaveInstanceState(outState);
 150         outState.putParcelable(KEY_FILE, mFile);
 151     }
 152
 153     /**
 154      * Call this, when the user presses the up button.
 155      *
 156      * Tries to move up the current folder one level. If the parent folder was removed from the
 157      * database, it continues browsing up until finding an existing folders.
 158      *
 159      * return       Count of folder levels browsed up.
 160      */
 161     public int onBrowseUp() {
 162         OCFile parentDir = null;
 163         int moveCount = 0;
 164
 165         if(mFile != null){
 166             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 167
 168             String parentPath = null;
 169             if (mFile.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 170                 parentPath = new File(mFile.getRemotePath()).getParent();
 171                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 172                         parentPath + OCFile.PATH_SEPARATOR;
 173                 parentDir = storageManager.getFileByPath(parentPath);
 174                 moveCount++;
 175             } else {
 176                 parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 177             }
 178             while (parentDir == null) {
 179                 parentPath = new File(parentPath).getParent();
 180                 parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 181                         parentPath + OCFile.PATH_SEPARATOR;
 182                 parentDir = storageManager.getFileByPath(parentPath);
 183                 moveCount++;
 184             }   // exit is granted because storageManager.getFileByPath("/") never returns null
 185             mFile = parentDir;
 186
 187             listDirectory(mFile, MainApp.getOnlyOnDevice());
 188
 189             onRefresh(false);
 190
 191             // restore index and top position
 192             restoreIndexAndTopPosition();
 193
 194         }   // else - should never happen now
 195
 196         return moveCount;
 197     }
 198
 199     @Override
 200     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 201         OCFile file = (OCFile) mAdapter.getItem(position);
 202         if (file != null) {
 203             if (file.isFolder()) {
 204                 // update state and view of this fragment
 205                 listDirectory(file, MainApp.getOnlyOnDevice());
 206                 // then, notify parent activity to let it update its state and view
 207                 mContainerActivity.onBrowsedDownTo(file);
 208                 // save index and top position
 209                 saveIndexAndTopPosition(position);
 210
 211             } else { /// Click on a file
 212                 if (PreviewImageFragment.canBePreviewed(file)) {
 213                     // preview image - it handles the download, if needed
 214                     ((FileDisplayActivity)mContainerActivity).startImagePreview(file);
 215
 216                 } else if (file.isDown()) {
 217                     if (PreviewMediaFragment.canBePreviewed(file)) {
 218                         // media preview
 219                         ((FileDisplayActivity)mContainerActivity).startMediaPreview(file, 0, true);
 220                     } else {
 221                         mContainerActivity.getFileOperationsHelper().openFile(file);
 222                     }
 223
 224                 } else {
 225                     // automatic download, preview on finish
 226                     ((FileDisplayActivity)mContainerActivity).startDownloadForPreview(file);
 227                 }
 228
 229             }
 230
 231         } else {
 232             Log_OC.d(TAG, "Null object in ListAdapter!!");
 233         }
 234
 235     }
 236
 237     /**
 238      * {@inheritDoc}
 239      */
 240     @Override
 241     public void onCreateContextMenu (
 242             ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 243         super.onCreateContextMenu(menu, v, menuInfo);
 244         Bundle args = getArguments();
 245         boolean allowContextualActions =
 246                 (args == null) ? true : args.getBoolean(ARG_ALLOW_CONTEXTUAL_ACTIONS, true);
 247         if (allowContextualActions) {
 248             MenuInflater inflater = getSherlockActivity().getMenuInflater();
 249             inflater.inflate(R.menu.file_actions_menu, menu);
 250             AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 251             OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 252
 253             if (mContainerActivity.getStorageManager() != null) {
 254                 FileMenuFilter mf = new FileMenuFilter(
 255                     targetFile,
 256                     mContainerActivity.getStorageManager().getAccount(),
 257                     mContainerActivity,
 258                     getSherlockActivity()
 259                 );
 260                 mf.filter(menu);
 261             }
 262
 263             /// TODO break this direct dependency on FileDisplayActivity... if possible
 264             MenuItem item = menu.findItem(R.id.action_open_file_with);
 265             FileFragment frag = ((FileDisplayActivity)getSherlockActivity()).getSecondFragment();
 266             if (frag != null && frag instanceof FileDetailFragment &&
 267                     frag.getFile().getFileId() == targetFile.getFileId()) {
 268                 item = menu.findItem(R.id.action_see_details);
 269                 if (item != null) {
 270                     item.setVisible(false);
 271                     item.setEnabled(false);
 272                 }
 273             }
 274         }
 275     }
 276
 277
 278     /**
 279      * {@inhericDoc}
 280      */
 281     @Override
 282     public boolean onContextItemSelected (MenuItem item) {
 283         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 284         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 285         switch (item.getItemId()) {
 286             case R.id.action_share_file: {
 287                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(mTargetFile);
 288                 return true;
 289             }
 290             case R.id.action_open_file_with: {
 291                 mContainerActivity.getFileOperationsHelper().openFile(mTargetFile);
 292                 return true;
 293             }
 294             case R.id.action_unshare_file: {
 295                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(mTargetFile);
 296                 return true;
 297             }
 298             case R.id.action_rename_file: {
 299                 RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(mTargetFile);
 300                 dialog.show(getFragmentManager(), FileDetailFragment.FTAG_RENAME_FILE);
 301                 return true;
 302             }
 303             case R.id.action_remove_file: {
 304                 RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(mTargetFile);
 305                 dialog.show(getFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
 306                 return true;
 307             }
 308             case R.id.action_download_file:
 309             case R.id.action_sync_file: {
 310                 mContainerActivity.getFileOperationsHelper().syncFile(mTargetFile);
 311                 return true;
 312             }
 313             case R.id.action_cancel_download:
 314             case R.id.action_cancel_upload: {
 315                 ((FileDisplayActivity)mContainerActivity).cancelTransference(mTargetFile);
 316                 return true;
 317             }
 318             case R.id.action_see_details: {
 319                 mContainerActivity.showDetails(mTargetFile);
 320                 return true;
 321             }
 322             case R.id.action_send_file: {
 323                 // Obtain the file
 324                 if (!mTargetFile.isDown()) {  // Download the file
 325                     Log_OC.d(TAG, mTargetFile.getRemotePath() + " : File must be downloaded");
 326                     ((FileDisplayActivity)mContainerActivity).startDownloadForSending(mTargetFile);
 327
 328                 } else {
 329                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(mTargetFile);
 330                 }
 331                 return true;
 332             }
 333             case R.id.action_move: {
 334                 Intent action = new Intent(getActivity(), FolderPickerActivity.class);
 335
 336                 // Pass mTargetFile that contains info of selected file/folder
 337                 action.putExtra(FolderPickerActivity.EXTRA_FILE, mTargetFile);
 338                 getActivity().startActivityForResult(action, FileDisplayActivity.ACTION_MOVE_FILES);
 339                 return true;
 340             }
 341             default:
 342                 return super.onContextItemSelected(item);
 343         }
 344     }
 345
 346
 347     /**
 348      * Use this to query the {@link OCFile} that is currently
 349      * being displayed by this fragment
 350      * @return The currently viewed OCFile
 351      */
 352     public OCFile getCurrentFile(){
 353         return mFile;
 354     }
 355
 356     /**
 357      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 358      */
 359     public void listDirectory(boolean onlyOnDevice){
 360         listDirectory(null, onlyOnDevice);
 361     }
 362
 363     public void refreshDirectory(){
 364         listDirectory(getCurrentFile(), MainApp.getOnlyOnDevice());
 365     }
 366
 367     /**
 368      * Lists the given directory on the view. When the input parameter is null,
 369      * it will either refresh the last known directory. list the root
 370      * if there never was a directory.
 371      *
 372      * @param directory File to be listed
 373      */
 374     public void listDirectory(OCFile directory, boolean onlyOnDevice) {
 375         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 376         if (storageManager != null) {
 377
 378             // Check input parameters for null
 379             if(directory == null){
 380                 if(mFile != null){
 381                     directory = mFile;
 382                 } else {
 383                     directory = storageManager.getFileByPath("/");
 384                     if (directory == null) return; // no files, wait for sync
 385                 }
 386             }
 387
 388
 389             // If that's not a directory -> List its parent
 390             if(!directory.isFolder()){
 391                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 392                 directory = storageManager.getFileById(directory.getParentId());
 393             }
 394
 395             mAdapter.swapDirectory(directory, storageManager, onlyOnDevice);
 396             if (mFile == null || !mFile.equals(directory)) {
 397                 mList.setSelectionFromTop(0, 0);
 398             }
 399             mFile = directory;
 400
 401             // Update Footer
 402             TextView footerText = (TextView) mFooterView.findViewById(R.id.footerText);
 403             Log_OC.d("footer", String.valueOf(System.currentTimeMillis()));
 404             footerText.setText(generateFooterText(directory, onlyOnDevice));
 405             Log_OC.d("footer", String.valueOf(System.currentTimeMillis()));
 406         }
 407     }
 408
 409     private String generateFooterText(OCFile directory, boolean onlyOnDevice) {
 410         Integer files = 0;
 411         Integer folders = 0;
 412
 413         FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 414         Vector<OCFile> mFiles = storageManager.getFolderContent(mFile, onlyOnDevice);
 415
 416         for (OCFile ocFile : mFiles) {
 417             if (ocFile.isFolder()) {
 418                 folders++;
 419             } else {
 420                 files++;
 421             }
 422         }
 423
 424         String output = "";
 425
 426         if (files > 0){
 427             if (files == 1) {
 428                 output = output + files.toString() + " " + getResources().getString(R.string.file_list_file);
 429             } else {
 430                 output = output + files.toString() + " " + getResources().getString(R.string.file_list_files);
 431             }
 432         }
 433         if (folders > 0 && files > 0){
 434             output = output + ", ";
 435         }
 436         if (folders == 1) {
 437             output = output + folders.toString() + " " + getResources().getString(R.string.file_list_folder);
 438         } else if (folders > 1) {
 439             output = output + folders.toString() + " " + getResources().getString(R.string.file_list_folders);
 440         }
 441
 442         return output;
 443     }
 444
 445     public void sortByName(boolean descending) {
 446         mAdapter.setSortOrder(FileListListAdapter.SORT_NAME, descending);
 447     }
 448
 449     public void sortByDate(boolean descending) {
 450         mAdapter.setSortOrder(FileListListAdapter.SORT_DATE, descending);
 451     }
 452
 453     public void sortBySize(boolean descending) {
 454         mAdapter.setSortOrder(FileListListAdapter.SORT_SIZE, descending);
 455     }
 456
 457
 458
 459 }