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