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             if (mFile.getParentId() == 0) {
 133                 parentDir = storageManager.getFileById(1);
 134             }
 135             else {
 136                 parentDir = storageManager.getFileById(mFile.getParentId());
 137             }
 138
 139 //            // Update folder size on DB
 140 //            storageManager.calculateFolderSize(mFile.getFileId());
 141
 142             mFile = parentDir;
 143         }
 144
 145         if (mFile != null) {
 146             listDirectory(mFile);
 147
 148             mContainerActivity.startSyncFolderOperation(mFile.getRemotePath(), mFile.getFileId());
 149         }
 150
 151     }
 152
 153     @Override
 154     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 155         OCFile file = (OCFile) mAdapter.getItem(position);
 156         if (file != null) {
 157             if (file.isDirectory()) {
 158                 // update state and view of this fragment
 159                 listDirectory(file);
 160                 // then, notify parent activity to let it update its state and view, and other fragments
 161                 mContainerActivity.onBrowsedDownTo(file);
 162
 163             } else { /// Click on a file
 164                 if (PreviewImageFragment.canBePreviewed(file)) {
 165                     // preview image - it handles the download, if needed
 166                     mContainerActivity.startImagePreview(file);
 167
 168                 } else if (file.isDown()) {
 169                     if (PreviewMediaFragment.canBePreviewed(file)) {
 170                         // media preview
 171                         mContainerActivity.startMediaPreview(file, 0, true);
 172                     } else {
 173                         // open with
 174                         mContainerActivity.openFile(file);
 175                     }
 176
 177                 } else {
 178                     // automatic download, preview on finish
 179                     mContainerActivity.startDownloadForPreview(file);
 180                 }
 181
 182             }
 183
 184         } else {
 185             Log_OC.d(TAG, "Null object in ListAdapter!!");
 186         }
 187
 188     }
 189
 190     /**
 191      * {@inheritDoc}
 192      */
 193     @Override
 194     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 195         super.onCreateContextMenu(menu, v, menuInfo);
 196         MenuInflater inflater = getActivity().getMenuInflater();
 197         inflater.inflate(R.menu.file_actions_menu, menu);
 198         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 199         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 200         List<Integer> toHide = new ArrayList<Integer>();
 201         List<Integer> toDisable = new ArrayList<Integer>();
 202
 203         MenuItem item = null;
 204         if (targetFile.isDirectory()) {
 205             // contextual menu for folders
 206             toHide.add(R.id.action_open_file_with);
 207             toHide.add(R.id.action_download_file);
 208             toHide.add(R.id.action_cancel_download);
 209             toHide.add(R.id.action_cancel_upload);
 210             toHide.add(R.id.action_sync_file);
 211             toHide.add(R.id.action_see_details);
 212             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 213                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 214                 toDisable.add(R.id.action_rename_file);
 215                 toDisable.add(R.id.action_remove_file);
 216
 217             }
 218
 219         } else {
 220             // contextual menu for regular files
 221
 222             // new design: 'download' and 'open with' won't be available anymore in context menu
 223             toHide.add(R.id.action_download_file);
 224             toHide.add(R.id.action_open_file_with);
 225
 226             if (targetFile.isDown()) {
 227                 toHide.add(R.id.action_cancel_download);
 228                 toHide.add(R.id.action_cancel_upload);
 229
 230             } else {
 231                 toHide.add(R.id.action_sync_file);
 232             }
 233             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 234                 toHide.add(R.id.action_cancel_upload);
 235                 toDisable.add(R.id.action_rename_file);
 236                 toDisable.add(R.id.action_remove_file);
 237
 238             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 239                 toHide.add(R.id.action_cancel_download);
 240                 toDisable.add(R.id.action_rename_file);
 241                 toDisable.add(R.id.action_remove_file);
 242
 243             } else {
 244                 toHide.add(R.id.action_cancel_download);
 245                 toHide.add(R.id.action_cancel_upload);
 246             }
 247         }
 248
 249         for (int i : toHide) {
 250             item = menu.findItem(i);
 251             if (item != null) {
 252                 item.setVisible(false);
 253                 item.setEnabled(false);
 254             }
 255         }
 256
 257         for (int i : toDisable) {
 258             item = menu.findItem(i);
 259             if (item != null) {
 260                 item.setEnabled(false);
 261             }
 262         }
 263     }
 264
 265
 266     /**
 267      * {@inhericDoc}
 268      */
 269     @Override
 270     public boolean onContextItemSelected (MenuItem item) {
 271         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 272         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 273         switch (item.getItemId()) {
 274             case R.id.action_rename_file: {
 275                 String fileName = mTargetFile.getFileName();
 276                 int extensionStart = mTargetFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 277                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 278                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 279                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 280                 return true;
 281             }
 282             case R.id.action_remove_file: {
 283                 int messageStringId = R.string.confirmation_remove_alert;
 284                 int posBtnStringId = R.string.confirmation_remove_remote;
 285                 int neuBtnStringId = -1;
 286                 if (mTargetFile.isDirectory()) {
 287                     messageStringId = R.string.confirmation_remove_folder_alert;
 288                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 289                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 290                 } else if (mTargetFile.isDown()) {
 291                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 292                     neuBtnStringId = R.string.confirmation_remove_local;
 293                 }
 294                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 295                         messageStringId,
 296                         new String[]{mTargetFile.getFileName()},
 297                         posBtnStringId,
 298                         neuBtnStringId,
 299                         R.string.common_cancel);
 300                 confDialog.setOnConfirmationListener(this);
 301                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 302                 return true;
 303             }
 304             case R.id.action_sync_file: {
 305                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 306                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 307                 operation.execute(account, getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 308                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 309                 return true;
 310             }
 311             case R.id.action_cancel_download: {
 312                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 313                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 314                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 315                     downloaderBinder.cancel(account, mTargetFile);
 316                     listDirectory();
 317                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 318                 }
 319                 return true;
 320             }
 321             case R.id.action_cancel_upload: {
 322                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 323                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 324                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 325                     uploaderBinder.cancel(account, mTargetFile);
 326                     listDirectory();
 327                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 328                 }
 329                 return true;
 330             }
 331             case R.id.action_see_details: {
 332                 ((FileFragment.ContainerActivity)getActivity()).showDetails(mTargetFile);
 333                 return true;
 334             }
 335             default:
 336                 return super.onContextItemSelected(item);
 337         }
 338     }
 339
 340
 341     /**
 342      * Use this to query the {@link OCFile} that is currently
 343      * being displayed by this fragment
 344      * @return The currently viewed OCFile
 345      */
 346     public OCFile getCurrentFile(){
 347         return mFile;
 348     }
 349
 350     /**
 351      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 352      */
 353     public void listDirectory(){
 354         listDirectory(null);
 355     }
 356
 357     /**
 358      * Lists the given directory on the view. When the input parameter is null,
 359      * it will either refresh the last known directory. list the root
 360      * if there never was a directory.
 361      *
 362      * @param directory File to be listed
 363      */
 364     public void listDirectory(OCFile directory) {
 365         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 366         if (storageManager != null) {
 367
 368             // Check input parameters for null
 369             if(directory == null){
 370                 if(mFile != null){
 371                     directory = mFile;
 372                 } else {
 373                     directory = storageManager.getFileByPath("/");
 374                     if (directory == null) return; // no files, wait for sync
 375                 }
 376             }
 377
 378
 379             // If that's not a directory -> List its parent
 380             if(!directory.isDirectory()){
 381                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 382                 directory = storageManager.getFileById(directory.getParentId());
 383             }
 384
 385             mAdapter.swapDirectory(directory, storageManager);
 386             if (mFile == null || !mFile.equals(directory)) {
 387                 mList.setSelectionFromTop(0, 0);
 388             }
 389             mFile = directory;
 390         }
 391     }
 392
 393
 394
 395     /**
 396      * Interface to implement by any Activity that includes some instance of FileListFragment
 397      *
 398      * @author David A. Velasco
 399      */
 400     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener, FileHandler {
 401
 402         /**
 403          * Callback method invoked when a the user browsed into a different folder through the list of files
 404          *
 405          * @param file
 406          */
 407         public void onBrowsedDownTo(OCFile folder);
 408
 409         public void startDownloadForPreview(OCFile file);
 410
 411         public void startMediaPreview(OCFile file, int i, boolean b);
 412
 413         public void startImagePreview(OCFile file);
 414
 415         public void startSyncFolderOperation(String remotePath, long parentId);
 416
 417         /**
 418          * Getter for the current DataStorageManager in the container activity
 419          */
 420         public DataStorageManager getStorageManager();
 421
 422
 423         /**
 424          * Callback method invoked when a the 'transfer state' of a file changes.
 425          *
 426          * This happens when a download or upload is started or ended for a file.
 427          *
 428          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 429          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 430          * won't provide the needed response before the method where this is called finishes.
 431          *
 432          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 433          *
 434          * @param file          OCFile which state changed.
 435          * @param downloading   Flag signaling if the file is now downloading.
 436          * @param uploading     Flag signaling if the file is now uploading.
 437          */
 438         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 439
 440     }
 441
 442
 443     @Override
 444     public void onDismiss(EditNameDialog dialog) {
 445         if (dialog.getResult()) {
 446             String newFilename = dialog.getNewFilename();
 447             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 448             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 449                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 450                                                                 newFilename,
 451                                                                 mContainerActivity.getStorageManager());
 452             operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 453             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 454         }
 455     }
 456
 457
 458     @Override
 459     public void onConfirmation(String callerTag) {
 460         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 461             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 462                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 463                                                                     true,
 464                                                                     mContainerActivity.getStorageManager());
 465                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 466
 467                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 468             }
 469         }
 470     }
 471
 472     @Override
 473     public void onNeutral(String callerTag) {
 474         File f = null;
 475         if (mTargetFile.isDirectory()) {
 476             // TODO run in a secondary thread?
 477             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 478
 479         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 480             f.delete();
 481             mTargetFile.setStoragePath(null);
 482             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 483         }
 484         listDirectory();
 485         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 486     }
 487
 488     @Override
 489     public void onCancel(String callerTag) {
 490         Log_OC.d(TAG, "REMOVAL CANCELED");
 491     }
 492
 493
 494 }