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