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.RemoteOperationResult;
  35 import com.owncloud.android.operations.RemoveFileOperation;
  36 import com.owncloud.android.operations.RenameFileOperation;
  37 import com.owncloud.android.operations.SynchronizeFileOperation;
  38 import com.owncloud.android.ui.activity.FileDisplayActivity;
  39 import com.owncloud.android.ui.activity.TransferServiceGetter;
  40 import com.owncloud.android.ui.adapter.FileListListAdapter;
  41 import com.owncloud.android.ui.dialog.EditNameDialog;
  42 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  43 import com.owncloud.android.ui.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  44 import com.owncloud.android.ui.preview.PreviewImageFragment;
  45 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  46
  47 import android.accounts.Account;
  48 import android.app.Activity;
  49 import android.os.Bundle;
  50 import android.os.Handler;
  51 import android.view.ContextMenu;
  52 import android.view.MenuInflater;
  53 import android.view.MenuItem;
  54 import android.view.View;
  55 import android.widget.AdapterView;
  56 import android.widget.AdapterView.AdapterContextMenuInfo;
  57
  58 /**
  59  * A Fragment that lists all files and folders in a given path.
  60  *
  61  * @author Bartek Przybylski
  62  *
  63  */
  64 public class OCFileListFragment extends ExtendedListFragment implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  65
  66     private static final String TAG = OCFileListFragment.class.getSimpleName();
  67
  68     private static final String MY_PACKAGE = OCFileListFragment.class.getPackage() != null ? OCFileListFragment.class.getPackage().getName() : "com.owncloud.android.ui.fragment";
  69     private static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE";
  70
  71     private OCFileListFragment.ContainerActivity mContainerActivity;
  72
  73     private OCFile mFile = null;
  74     private FileListListAdapter mAdapter;
  75
  76     private Handler mHandler;
  77     private OCFile mTargetFile;
  78
  79     /**
  80      * {@inheritDoc}
  81      */
  82     @Override
  83     public void onAttach(Activity activity) {
  84         super.onAttach(activity);
  85         Log_OC.e(TAG, "onAttach");
  86         try {
  87             mContainerActivity = (ContainerActivity) activity;
  88         } catch (ClassCastException e) {
  89             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
  90         }
  91     }
  92
  93
  94     /**
  95      * {@inheritDoc}
  96      */
  97     @Override
  98     public void onActivityCreated(Bundle savedInstanceState) {
  99         super.onActivityCreated(savedInstanceState);
 100         Log_OC.e(TAG, "onActivityCreated() start");
 101         mAdapter = new FileListListAdapter(getActivity(), mContainerActivity);
 102         if (savedInstanceState != null) {
 103             mFile = savedInstanceState.getParcelable(EXTRA_FILE);
 104         }
 105         setListAdapter(mAdapter);
 106
 107         registerForContextMenu(getListView());
 108         getListView().setOnCreateContextMenuListener(this);
 109
 110         mHandler = new Handler();
 111
 112     }
 113
 114     /**
 115      * Saves the current listed folder.
 116      */
 117     @Override
 118     public void onSaveInstanceState (Bundle outState) {
 119         super.onSaveInstanceState(outState);
 120         outState.putParcelable(EXTRA_FILE, mFile);
 121     }
 122
 123
 124     /**
 125      * Call this, when the user presses the up button
 126      */
 127     public void onBrowseUp() {
 128         OCFile parentDir = null;
 129
 130         if(mFile != null){
 131             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 132             parentDir = storageManager.getFileById(mFile.getParentId());
 133
 134             // Update folder size on DB
 135             storageManager.calculateFolderSize(mFile.getFileId());
 136
 137             mFile = parentDir;
 138
 139         }
 140         listDirectory(parentDir);
 141
 142
 143         mContainerActivity.syncFolderOperation(mFile.getRemotePath(), mFile.getParentId());
 144
 145     }
 146
 147     @Override
 148     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 149         OCFile file = (OCFile) mAdapter.getItem(position);
 150         if (file != null) {
 151             if (file.isDirectory()) {
 152                 // update state and view of this fragment
 153                 listDirectory(file);
 154                 // then, notify parent activity to let it update its state and view, and other fragments
 155                 mContainerActivity.onBrowsedDownTo(file);
 156
 157             } else { /// Click on a file
 158                 if (PreviewImageFragment.canBePreviewed(file)) {
 159                     // preview image - it handles the download, if needed
 160                     mContainerActivity.startImagePreview(file);
 161
 162                 } else if (file.isDown()) {
 163                     if (PreviewMediaFragment.canBePreviewed(file)) {
 164                         // media preview
 165                         mContainerActivity.startMediaPreview(file, 0, true);
 166                     } else {
 167                         // open with
 168                         mContainerActivity.openFile(file);
 169                     }
 170
 171                 } else {
 172                     // automatic download, preview on finish
 173                     mContainerActivity.startDownloadForPreview(file);
 174                 }
 175
 176             }
 177
 178         } else {
 179             Log_OC.d(TAG, "Null object in ListAdapter!!");
 180         }
 181
 182     }
 183
 184     /**
 185      * {@inheritDoc}
 186      */
 187     @Override
 188     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 189         super.onCreateContextMenu(menu, v, menuInfo);
 190         MenuInflater inflater = getActivity().getMenuInflater();
 191         inflater.inflate(R.menu.file_actions_menu, menu);
 192         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 193         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 194         List<Integer> toHide = new ArrayList<Integer>();
 195         List<Integer> toDisable = new ArrayList<Integer>();
 196
 197         MenuItem item = null;
 198         if (targetFile.isDirectory()) {
 199             // contextual menu for folders
 200             toHide.add(R.id.action_open_file_with);
 201             toHide.add(R.id.action_download_file);
 202             toHide.add(R.id.action_cancel_download);
 203             toHide.add(R.id.action_cancel_upload);
 204             toHide.add(R.id.action_sync_file);
 205             toHide.add(R.id.action_see_details);
 206             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 207                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 208                 toDisable.add(R.id.action_rename_file);
 209                 toDisable.add(R.id.action_remove_file);
 210
 211             }
 212
 213         } else {
 214             // contextual menu for regular files
 215
 216             // new design: 'download' and 'open with' won't be available anymore in context menu
 217             toHide.add(R.id.action_download_file);
 218             toHide.add(R.id.action_open_file_with);
 219
 220             if (targetFile.isDown()) {
 221                 toHide.add(R.id.action_cancel_download);
 222                 toHide.add(R.id.action_cancel_upload);
 223
 224             } else {
 225                 toHide.add(R.id.action_sync_file);
 226             }
 227             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 228                 toHide.add(R.id.action_cancel_upload);
 229                 toDisable.add(R.id.action_rename_file);
 230                 toDisable.add(R.id.action_remove_file);
 231
 232             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 233                 toHide.add(R.id.action_cancel_download);
 234                 toDisable.add(R.id.action_rename_file);
 235                 toDisable.add(R.id.action_remove_file);
 236
 237             } else {
 238                 toHide.add(R.id.action_cancel_download);
 239                 toHide.add(R.id.action_cancel_upload);
 240             }
 241         }
 242
 243         for (int i : toHide) {
 244             item = menu.findItem(i);
 245             if (item != null) {
 246                 item.setVisible(false);
 247                 item.setEnabled(false);
 248             }
 249         }
 250
 251         for (int i : toDisable) {
 252             item = menu.findItem(i);
 253             if (item != null) {
 254                 item.setEnabled(false);
 255             }
 256         }
 257     }
 258
 259
 260     /**
 261      * {@inhericDoc}
 262      */
 263     @Override
 264     public boolean onContextItemSelected (MenuItem item) {
 265         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 266         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 267         switch (item.getItemId()) {
 268             case R.id.action_rename_file: {
 269                 String fileName = mTargetFile.getFileName();
 270                 int extensionStart = mTargetFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 271                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 272                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 273                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 274                 return true;
 275             }
 276             case R.id.action_remove_file: {
 277                 int messageStringId = R.string.confirmation_remove_alert;
 278                 int posBtnStringId = R.string.confirmation_remove_remote;
 279                 int neuBtnStringId = -1;
 280                 if (mTargetFile.isDirectory()) {
 281                     messageStringId = R.string.confirmation_remove_folder_alert;
 282                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 283                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 284                 } else if (mTargetFile.isDown()) {
 285                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 286                     neuBtnStringId = R.string.confirmation_remove_local;
 287                 }
 288                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 289                         messageStringId,
 290                         new String[]{mTargetFile.getFileName()},
 291                         posBtnStringId,
 292                         neuBtnStringId,
 293                         R.string.common_cancel);
 294                 confDialog.setOnConfirmationListener(this);
 295                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 296                 return true;
 297             }
 298             case R.id.action_sync_file: {
 299                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 300                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 301                 operation.execute(account, getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 302                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 303                 return true;
 304             }
 305             case R.id.action_cancel_download: {
 306                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 307                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 308                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 309                     downloaderBinder.cancel(account, mTargetFile);
 310                     listDirectory();
 311                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 312                 }
 313                 return true;
 314             }
 315             case R.id.action_cancel_upload: {
 316                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 317                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 318                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 319                     uploaderBinder.cancel(account, mTargetFile);
 320                     listDirectory();
 321                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 322                 }
 323                 return true;
 324             }
 325             case R.id.action_see_details: {
 326                 ((FileFragment.ContainerActivity)getActivity()).showDetails(mTargetFile);
 327                 return true;
 328             }
 329             default:
 330                 return super.onContextItemSelected(item);
 331         }
 332     }
 333
 334
 335     /**
 336      * Use this to query the {@link OCFile} that is currently
 337      * being displayed by this fragment
 338      * @return The currently viewed OCFile
 339      */
 340     public OCFile getCurrentFile(){
 341         return mFile;
 342     }
 343
 344     /**
 345      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 346      */
 347     public void listDirectory(){
 348         listDirectory(null);
 349     }
 350
 351     /**
 352      * Lists the given directory on the view. When the input parameter is null,
 353      * it will either refresh the last known directory. list the root
 354      * if there never was a directory.
 355      *
 356      * @param directory File to be listed
 357      */
 358     public void listDirectory(OCFile directory) {
 359         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 360         if (storageManager != null) {
 361
 362             // Check input parameters for null
 363             if(directory == null){
 364                 if(mFile != null){
 365                     directory = mFile;
 366                 } else {
 367                     directory = storageManager.getFileByPath("/");
 368                     if (directory == null) return; // no files, wait for sync
 369                 }
 370             }
 371
 372
 373             // If that's not a directory -> List its parent
 374             if(!directory.isDirectory()){
 375                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 376                 directory = storageManager.getFileById(directory.getParentId());
 377             }
 378
 379             mAdapter.swapDirectory(directory, storageManager);
 380             if (mFile == null || !mFile.equals(directory)) {
 381                 mList.setSelectionFromTop(0, 0);
 382             }
 383             mFile = directory;
 384         }
 385     }
 386
 387
 388
 389     /**
 390      * Interface to implement by any Activity that includes some instance of FileListFragment
 391      *
 392      * @author David A. Velasco
 393      */
 394     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener, FileHandler {
 395
 396         /**
 397          * Callback method invoked when a the user browsed into a different folder through the list of files
 398          *
 399          * @param file
 400          */
 401         public void onBrowsedDownTo(OCFile folder);
 402
 403         public void startDownloadForPreview(OCFile file);
 404
 405         public void startMediaPreview(OCFile file, int i, boolean b);
 406
 407         public void startImagePreview(OCFile file);
 408
 409         public void syncFolderOperation(String remotePath, long parentId);
 410
 411         /**
 412          * Getter for the current DataStorageManager in the container activity
 413          */
 414         public DataStorageManager getStorageManager();
 415
 416
 417         /**
 418          * Callback method invoked when a the 'transfer state' of a file changes.
 419          *
 420          * This happens when a download or upload is started or ended for a file.
 421          *
 422          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 423          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 424          * won't provide the needed response before the method where this is called finishes.
 425          *
 426          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 427          *
 428          * @param file          OCFile which state changed.
 429          * @param downloading   Flag signaling if the file is now downloading.
 430          * @param uploading     Flag signaling if the file is now uploading.
 431          */
 432         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 433
 434     }
 435
 436
 437     @Override
 438     public void onDismiss(EditNameDialog dialog) {
 439         if (dialog.getResult()) {
 440             String newFilename = dialog.getNewFilename();
 441             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 442             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 443                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 444                                                                 newFilename,
 445                                                                 mContainerActivity.getStorageManager());
 446             operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 447             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 448         }
 449     }
 450
 451
 452     @Override
 453     public void onConfirmation(String callerTag) {
 454         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 455             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 456                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 457                                                                     true,
 458                                                                     mContainerActivity.getStorageManager());
 459                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 460
 461                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 462             }
 463         }
 464     }
 465
 466     @Override
 467     public void onNeutral(String callerTag) {
 468         File f = null;
 469         if (mTargetFile.isDirectory()) {
 470             // TODO run in a secondary thread?
 471             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 472
 473         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 474             f.delete();
 475             mTargetFile.setStoragePath(null);
 476             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 477         }
 478         listDirectory();
 479         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 480     }
 481
 482     @Override
 483     public void onCancel(String callerTag) {
 484         Log_OC.d(TAG, "REMOVAL CANCELED");
 485     }
 486
 487
 488 }