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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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.ArrayList;
  22 import java.util.List;
  23
  24 import com.owncloud.android.Log_OC;
  25 import com.owncloud.android.R;
  26 import com.owncloud.android.authentication.AccountUtils;
  27 import com.owncloud.android.datamodel.DataStorageManager;
  28 import com.owncloud.android.datamodel.OCFile;
  29 import com.owncloud.android.files.FileHandler;
  30 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  31 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  32 import com.owncloud.android.operations.OnRemoteOperationListener;
  33 import com.owncloud.android.operations.RemoteOperation;
  34 import com.owncloud.android.operations.RemoveFileOperation;
  35 import com.owncloud.android.operations.RenameFileOperation;
  36 import com.owncloud.android.operations.SynchronizeFileOperation;
  37 import com.owncloud.android.ui.activity.FileDisplayActivity;
  38 import com.owncloud.android.ui.activity.TransferServiceGetter;
  39 import com.owncloud.android.ui.adapter.FileListListAdapter;
  40 import com.owncloud.android.ui.dialog.EditNameDialog;
  41 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  42 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  43 import com.owncloud.android.ui.preview.PreviewImageFragment;
  44 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  45
  46 import android.accounts.Account;
  47 import android.app.Activity;
  48 import android.os.Bundle;
  49 import android.os.Handler;
  50 import android.view.ContextMenu;
  51 import android.view.MenuInflater;
  52 import android.view.MenuItem;
  53 import android.view.View;
  54 import android.widget.AdapterView;
  55 import android.widget.AdapterView.AdapterContextMenuInfo;
  56
  57 /**
  58  * A Fragment that lists all files and folders in a given path.
  59  *
  60  * @author Bartek Przybylski
  61  *
  62  */
  63 public class OCFileListFragment extends ExtendedListFragment implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  64
  65     private static final String TAG = OCFileListFragment.class.getSimpleName();
  66
  67     private OCFileListFragment.ContainerActivity mContainerActivity;
  68
  69     private OCFile mFile = null;
  70     private FileListListAdapter mAdapter;
  71
  72     private Handler mHandler;
  73     private OCFile mTargetFile;
  74
  75     /**
  76      * {@inheritDoc}
  77      */
  78     @Override
  79     public void onAttach(Activity activity) {
  80         super.onAttach(activity);
  81         Log_OC.e(TAG, "onAttach");
  82         try {
  83             mContainerActivity = (ContainerActivity) activity;
  84         } catch (ClassCastException e) {
  85             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
  86         }
  87     }
  88
  89
  90     /**
  91      * {@inheritDoc}
  92      */
  93     @Override
  94     public void onActivityCreated(Bundle savedInstanceState) {
  95         super.onActivityCreated(savedInstanceState);
  96         Log_OC.e(TAG, "onActivityCreated() start");
  97         mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
  98         setListAdapter(mAdapter);
  99
 100         registerForContextMenu(getListView());
 101         getListView().setOnCreateContextMenuListener(this);
 102
 103         mHandler = new Handler();
 104
 105     }
 106
 107
 108     /**
 109      * Call this, when the user presses the up button
 110      */
 111     public void onBrowseUp() {
 112         OCFile parentDir = null;
 113
 114         if(mFile != null){
 115             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 116             parentDir = storageManager.getFileById(mFile.getParentId());
 117             mFile = parentDir;
 118         }
 119         listDirectory(parentDir);
 120     }
 121
 122     @Override
 123     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 124         OCFile file = (OCFile) mAdapter.getItem(position);
 125         if (file != null) {
 126             if (file.isDirectory()) {
 127                 // update state and view of this fragment
 128                 mFile = file;
 129                 listDirectory(file);
 130                 // then, notify parent activity to let it update its state and view, and other fragments
 131                 mContainerActivity.onBrowsedDownTo(file);
 132
 133             } else { /// Click on a file
 134                 if (PreviewImageFragment.canBePreviewed(file)) {
 135                     // preview image - it handles the download, if needed
 136                     mContainerActivity.startImagePreview(file);
 137
 138                 } else if (file.isDown()) {
 139                     if (PreviewMediaFragment.canBePreviewed(file)) {
 140                         // media preview
 141                         mContainerActivity.startMediaPreview(file, 0, true);
 142                     } else {
 143                         // open with
 144                         mContainerActivity.openFile(file);
 145                     }
 146
 147                 } else {
 148                     // automatic download, preview on finish
 149                     mContainerActivity.startDownloadForPreview(file);
 150                 }
 151
 152             }
 153
 154         } else {
 155             Log_OC.d(TAG, "Null object in ListAdapter!!");
 156         }
 157
 158     }
 159
 160     /**
 161      * {@inheritDoc}
 162      */
 163     @Override
 164     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 165         super.onCreateContextMenu(menu, v, menuInfo);
 166         MenuInflater inflater = getActivity().getMenuInflater();
 167         inflater.inflate(R.menu.file_actions_menu, menu);
 168         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 169         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 170         List<Integer> toHide = new ArrayList<Integer>();
 171         List<Integer> toDisable = new ArrayList<Integer>();
 172
 173         MenuItem item = null;
 174         if (targetFile.isDirectory()) {
 175             // contextual menu for folders
 176             toHide.add(R.id.action_open_file_with);
 177             toHide.add(R.id.action_download_file);
 178             toHide.add(R.id.action_cancel_download);
 179             toHide.add(R.id.action_cancel_upload);
 180             toHide.add(R.id.action_sync_file);
 181             toHide.add(R.id.action_see_details);
 182             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 183                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 184                 toDisable.add(R.id.action_rename_file);
 185                 toDisable.add(R.id.action_remove_file);
 186
 187             }
 188
 189         } else {
 190             // contextual menu for regular files
 191
 192             // new design: 'download' and 'open with' won't be available anymore in context menu
 193             toHide.add(R.id.action_download_file);
 194             toHide.add(R.id.action_open_file_with);
 195
 196             if (targetFile.isDown()) {
 197                 toHide.add(R.id.action_cancel_download);
 198                 toHide.add(R.id.action_cancel_upload);
 199
 200             } else {
 201                 toHide.add(R.id.action_sync_file);
 202             }
 203             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 204                 toHide.add(R.id.action_cancel_upload);
 205                 toDisable.add(R.id.action_rename_file);
 206                 toDisable.add(R.id.action_remove_file);
 207
 208             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 209                 toHide.add(R.id.action_cancel_download);
 210                 toDisable.add(R.id.action_rename_file);
 211                 toDisable.add(R.id.action_remove_file);
 212
 213             } else {
 214                 toHide.add(R.id.action_cancel_download);
 215                 toHide.add(R.id.action_cancel_upload);
 216             }
 217         }
 218
 219         for (int i : toHide) {
 220             item = menu.findItem(i);
 221             if (item != null) {
 222                 item.setVisible(false);
 223                 item.setEnabled(false);
 224             }
 225         }
 226
 227         for (int i : toDisable) {
 228             item = menu.findItem(i);
 229             if (item != null) {
 230                 item.setEnabled(false);
 231             }
 232         }
 233     }
 234
 235
 236     /**
 237      * {@inhericDoc}
 238      */
 239     @Override
 240     public boolean onContextItemSelected (MenuItem item) {
 241         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 242         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 243         switch (item.getItemId()) {
 244             case R.id.action_rename_file: {
 245                 String fileName = mTargetFile.getFileName();
 246                 int extensionStart = mTargetFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 247                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 248                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 249                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 250                 return true;
 251             }
 252             case R.id.action_remove_file: {
 253                 int messageStringId = R.string.confirmation_remove_alert;
 254                 int posBtnStringId = R.string.confirmation_remove_remote;
 255                 int neuBtnStringId = -1;
 256                 if (mTargetFile.isDirectory()) {
 257                     messageStringId = R.string.confirmation_remove_folder_alert;
 258                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 259                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 260                 } else if (mTargetFile.isDown()) {
 261                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 262                     neuBtnStringId = R.string.confirmation_remove_local;
 263                 }
 264                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 265                         messageStringId,
 266                         new String[]{mTargetFile.getFileName()},
 267                         posBtnStringId,
 268                         neuBtnStringId,
 269                         R.string.common_cancel);
 270                 confDialog.setOnConfirmationListener(this);
 271                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 272                 return true;
 273             }
 274             case R.id.action_sync_file: {
 275                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 276                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 277                 operation.execute(account, getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 278                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 279                 return true;
 280             }
 281             case R.id.action_cancel_download: {
 282                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 283                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 284                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 285                     downloaderBinder.cancel(account, mTargetFile);
 286                     listDirectory();
 287                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 288                 }
 289                 return true;
 290             }
 291             case R.id.action_cancel_upload: {
 292                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 293                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 294                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 295                     uploaderBinder.cancel(account, mTargetFile);
 296                     listDirectory();
 297                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 298                 }
 299                 return true;
 300             }
 301             case R.id.action_see_details: {
 302                 ((FileFragment.ContainerActivity)getActivity()).showDetails(mTargetFile);
 303                 return true;
 304             }
 305             default:
 306                 return super.onContextItemSelected(item);
 307         }
 308     }
 309
 310
 311     /**
 312      * Use this to query the {@link OCFile} that is currently
 313      * being displayed by this fragment
 314      * @return The currently viewed OCFile
 315      */
 316     public OCFile getCurrentFile(){
 317         return mFile;
 318     }
 319
 320     /**
 321      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 322      */
 323     public void listDirectory(){
 324         listDirectory(null);
 325     }
 326
 327     /**
 328      * Lists the given directory on the view. When the input parameter is null,
 329      * it will either refresh the last known directory. list the root
 330      * if there never was a directory.
 331      *
 332      * @param directory File to be listed
 333      */
 334     public void listDirectory(OCFile directory) {
 335         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 336         if (storageManager != null) {
 337
 338             // Check input parameters for null
 339             if(directory == null){
 340                 if(mFile != null){
 341                     directory = mFile;
 342                 } else {
 343                     directory = storageManager.getFileByPath("/");
 344                     if (directory == null) return; // no files, wait for sync
 345                 }
 346             }
 347
 348
 349             // If that's not a directory -> List its parent
 350             if(!directory.isDirectory()){
 351                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 352                 directory = storageManager.getFileById(directory.getParentId());
 353             }
 354
 355             mAdapter.swapDirectory(directory, storageManager);
 356             if (mFile == null || !mFile.equals(directory)) {
 357                 mList.setSelectionFromTop(0, 0);
 358             }
 359             mFile = directory;
 360
 361         }
 362     }
 363
 364
 365
 366     /**
 367      * Interface to implement by any Activity that includes some instance of FileListFragment
 368      *
 369      * @author David A. Velasco
 370      */
 371     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener, FileHandler {
 372
 373         /**
 374          * Callback method invoked when a the user browsed into a different folder through the list of files
 375          *
 376          * @param file
 377          */
 378         public void onBrowsedDownTo(OCFile folder);
 379
 380         public void startDownloadForPreview(OCFile file);
 381
 382         public void startMediaPreview(OCFile file, int i, boolean b);
 383
 384         public void startImagePreview(OCFile file);
 385
 386         /**
 387          * Getter for the current DataStorageManager in the container activity
 388          */
 389         public DataStorageManager getStorageManager();
 390
 391
 392         /**
 393          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 394          *
 395          * @return  Directory to list firstly. Can be NULL.
 396          */
 397         public OCFile getInitialDirectory();
 398
 399
 400         /**
 401          * Callback method invoked when a the 'transfer state' of a file changes.
 402          *
 403          * This happens when a download or upload is started or ended for a file.
 404          *
 405          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 406          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 407          * won't provide the needed response before the method where this is called finishes.
 408          *
 409          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 410          *
 411          * @param file          OCFile which state changed.
 412          * @param downloading   Flag signaling if the file is now downloading.
 413          * @param uploading     Flag signaling if the file is now uploading.
 414          */
 415         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 416
 417     }
 418
 419
 420     @Override
 421     public void onDismiss(EditNameDialog dialog) {
 422         if (dialog.getResult()) {
 423             String newFilename = dialog.getNewFilename();
 424             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 425             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 426                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 427                                                                 newFilename,
 428                                                                 mContainerActivity.getStorageManager());
 429             operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 430             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 431         }
 432     }
 433
 434
 435     @Override
 436     public void onConfirmation(String callerTag) {
 437         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 438             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 439                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 440                                                                     true,
 441                                                                     mContainerActivity.getStorageManager());
 442                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 443
 444                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 445             }
 446         }
 447     }
 448
 449     @Override
 450     public void onNeutral(String callerTag) {
 451         File f = null;
 452         if (mTargetFile.isDirectory()) {
 453             // TODO run in a secondary thread?
 454             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 455
 456         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 457             f.delete();
 458             mTargetFile.setStoragePath(null);
 459             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 460         }
 461         listDirectory();
 462         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 463     }
 464
 465     @Override
 466     public void onCancel(String callerTag) {
 467         Log_OC.d(TAG, "REMOVAL CANCELED");
 468     }
 469
 470
 471 }