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.services.FileDownloader.FileDownloaderBinder;
  30 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  31 import com.owncloud.android.operations.OnRemoteOperationListener;
  32 import com.owncloud.android.operations.RemoteOperation;
  33 import com.owncloud.android.operations.RemoveFileOperation;
  34 import com.owncloud.android.operations.RenameFileOperation;
  35 import com.owncloud.android.operations.SynchronizeFileOperation;
  36 import com.owncloud.android.ui.FragmentListView;
  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
  44 import eu.alefzero.webdav.WebdavUtils;
  45
  46 import android.accounts.Account;
  47 import android.app.Activity;
  48 import android.content.ActivityNotFoundException;
  49 import android.content.Intent;
  50 import android.net.Uri;
  51 import android.os.Bundle;
  52 import android.os.Handler;
  53 import android.view.ContextMenu;
  54 import android.view.MenuInflater;
  55 import android.view.MenuItem;
  56 import android.view.View;
  57 import android.webkit.MimeTypeMap;
  58 import android.widget.AdapterView;
  59 import android.widget.Toast;
  60 import android.widget.AdapterView.AdapterContextMenuInfo;
  61
  62 /**
  63  * A Fragment that lists all files and folders in a given path.
  64  *
  65  * @author Bartek Przybylski
  66  *
  67  */
  68 public class OCFileListFragment extends FragmentListView implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  69     private static final String TAG = "FileListFragment";
  70     private static final String SAVED_LIST_POSITION = "LIST_POSITION";
  71
  72     private OCFileListFragment.ContainerActivity mContainerActivity;
  73
  74     private OCFile mFile = null;
  75     private FileListListAdapter mAdapter;
  76
  77     private Handler mHandler;
  78     private OCFile mTargetFile;
  79
  80     /**
  81      * {@inheritDoc}
  82      */
  83     @Override
  84     public void onAttach(Activity activity) {
  85         super.onAttach(activity);
  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         Log_OC.i(TAG, "onActivityCreated() start");
 100
 101         super.onActivityCreated(savedInstanceState);
 102         mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
 103         setListAdapter(mAdapter);
 104
 105         if (savedInstanceState != null) {
 106             Log_OC.i(TAG, "savedInstanceState is not null");
 107             int position = savedInstanceState.getInt(SAVED_LIST_POSITION);
 108             setReferencePosition(position);
 109         }
 110
 111         registerForContextMenu(getListView());
 112         getListView().setOnCreateContextMenuListener(this);
 113
 114         mHandler = new Handler();
 115
 116         Log_OC.i(TAG, "onActivityCreated() stop");
 117     }
 118
 119
 120
 121     @Override
 122     public void onSaveInstanceState(Bundle savedInstanceState) {
 123         Log_OC.i(TAG, "onSaveInstanceState() start");
 124
 125         savedInstanceState.putInt(SAVED_LIST_POSITION, getReferencePosition());
 126
 127         Log_OC.i(TAG, "onSaveInstanceState() stop");
 128     }
 129
 130
 131     @Override
 132     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 133         OCFile file = (OCFile) mAdapter.getItem(position);
 134         if (file != null) {
 135             /// Click on a directory
 136             if (file.getMimetype().equals("DIR")) {
 137                 // just local updates
 138                 mFile = file;
 139                 listDirectory(file);
 140                 // any other updates are let to the container Activity
 141                 mContainerActivity.onDirectoryClick(file);
 142
 143             } else {    /// Click on a file
 144                 mContainerActivity.onFileClick(file);
 145             }
 146
 147         } else {
 148             Log_OC.d(TAG, "Null object in ListAdapter!!");
 149         }
 150
 151     }
 152
 153     /**
 154      * {@inheritDoc}
 155      */
 156     @Override
 157     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 158         super.onCreateContextMenu(menu, v, menuInfo);
 159         MenuInflater inflater = getActivity().getMenuInflater();
 160         inflater.inflate(R.menu.file_actions_menu, menu);
 161         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 162         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 163         List<Integer> toHide = new ArrayList<Integer>();
 164         List<Integer> toDisable = new ArrayList<Integer>();
 165
 166         MenuItem item = null;
 167         if (targetFile.isDirectory()) {
 168             // contextual menu for folders
 169             toHide.add(R.id.action_open_file_with);
 170             toHide.add(R.id.action_download_file);
 171             toHide.add(R.id.action_cancel_download);
 172             toHide.add(R.id.action_cancel_upload);
 173             toHide.add(R.id.action_see_details);
 174             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 175                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 176                 toDisable.add(R.id.action_rename_file);
 177                 toDisable.add(R.id.action_remove_file);
 178
 179             }
 180
 181         } else {
 182             // contextual menu for regular files
 183             if (targetFile.isDown()) {
 184                 toHide.add(R.id.action_cancel_download);
 185                 toHide.add(R.id.action_cancel_upload);
 186                 item = menu.findItem(R.id.action_download_file);
 187                 if (item != null) {
 188                     item.setTitle(R.string.filedetails_sync_file);
 189                 }
 190             } else {
 191                 toHide.add(R.id.action_open_file_with);
 192             }
 193             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 194                 toHide.add(R.id.action_download_file);
 195                 toHide.add(R.id.action_cancel_upload);
 196                 toDisable.add(R.id.action_open_file_with);
 197                 toDisable.add(R.id.action_rename_file);
 198                 toDisable.add(R.id.action_remove_file);
 199
 200             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 201                 toHide.add(R.id.action_download_file);
 202                 toHide.add(R.id.action_cancel_download);
 203                 toDisable.add(R.id.action_open_file_with);
 204                 toDisable.add(R.id.action_rename_file);
 205                 toDisable.add(R.id.action_remove_file);
 206
 207             } else {
 208                 toHide.add(R.id.action_cancel_download);
 209                 toHide.add(R.id.action_cancel_upload);
 210             }
 211         }
 212
 213         for (int i : toHide) {
 214             item = menu.findItem(i);
 215             if (item != null) {
 216                 item.setVisible(false);
 217                 item.setEnabled(false);
 218             }
 219         }
 220
 221         for (int i : toDisable) {
 222             item = menu.findItem(i);
 223             if (item != null) {
 224                 item.setEnabled(false);
 225             }
 226         }
 227     }
 228
 229
 230     /**
 231      * {@inhericDoc}
 232      */
 233     @Override
 234     public boolean onContextItemSelected (MenuItem item) {
 235         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 236         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 237         switch (item.getItemId()) {
 238             case R.id.action_rename_file: {
 239                 String fileName = mTargetFile.getFileName();
 240                 int extensionStart = mTargetFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 241                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 242                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 243                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 244                 return true;
 245             }
 246             case R.id.action_remove_file: {
 247                 int messageStringId = R.string.confirmation_remove_alert;
 248                 int posBtnStringId = R.string.confirmation_remove_remote;
 249                 int neuBtnStringId = -1;
 250                 if (mTargetFile.isDirectory()) {
 251                     messageStringId = R.string.confirmation_remove_folder_alert;
 252                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 253                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 254                 } else if (mTargetFile.isDown()) {
 255                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 256                     neuBtnStringId = R.string.confirmation_remove_local;
 257                 }
 258                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 259                         messageStringId,
 260                         new String[]{mTargetFile.getFileName()},
 261                         posBtnStringId,
 262                         neuBtnStringId,
 263                         R.string.common_cancel);
 264                 confDialog.setOnConfirmationListener(this);
 265                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 266                 return true;
 267             }
 268             case R.id.action_open_file_with: {
 269                 String storagePath = mTargetFile.getStoragePath();
 270                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 271                 try {
 272                     Intent i = new Intent(Intent.ACTION_VIEW);
 273                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mTargetFile.getMimetype());
 274                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 275                     startActivity(i);
 276
 277                 } catch (Throwable t) {
 278                     Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mTargetFile.getMimetype());
 279                     boolean toastIt = true;
 280                     String mimeType = "";
 281                     try {
 282                         Intent i = new Intent(Intent.ACTION_VIEW);
 283                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 284                         if (mimeType == null || !mimeType.equals(mTargetFile.getMimetype())) {
 285                             if (mimeType != null) {
 286                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 287                             } else {
 288                                 // desperate try
 289                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 290                             }
 291                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 292                             startActivity(i);
 293                             toastIt = false;
 294                         }
 295
 296                     } catch (IndexOutOfBoundsException e) {
 297                         Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 298
 299                     } catch (ActivityNotFoundException e) {
 300                         Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 301
 302                     } catch (Throwable th) {
 303                         Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 304
 305                     } finally {
 306                         if (toastIt) {
 307                             Toast.makeText(getActivity(), "There is no application to handle file " + mTargetFile.getFileName(), Toast.LENGTH_SHORT).show();
 308                         }
 309                     }
 310
 311                 }
 312                 return true;
 313             }
 314             case R.id.action_download_file: {
 315                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 316                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 317                 operation.execute(account, getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 318                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 319                 return true;
 320             }
 321             case R.id.action_cancel_download: {
 322                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 323                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 324                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 325                     downloaderBinder.cancel(account, mTargetFile);
 326                     listDirectory();
 327                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 328                 }
 329                 return true;
 330             }
 331             case R.id.action_cancel_upload: {
 332                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 333                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 334                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 335                     uploaderBinder.cancel(account, mTargetFile);
 336                     listDirectory();
 337                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 338                 }
 339                 return true;
 340             }
 341             case R.id.action_see_details: {
 342                 ((FileFragment.ContainerActivity)getActivity()).showFragmentWithDetails(mTargetFile);
 343                 return true;
 344             }
 345             default:
 346                 return super.onContextItemSelected(item);
 347         }
 348     }
 349
 350
 351     /**
 352      * Call this, when the user presses the up button
 353      */
 354     public void onNavigateUp() {
 355         OCFile parentDir = null;
 356
 357         if(mFile != null){
 358             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 359             parentDir = storageManager.getFileById(mFile.getParentId());
 360             mFile = parentDir;
 361         }
 362         listDirectory(parentDir);
 363     }
 364
 365     /**
 366      * Use this to query the {@link OCFile} that is currently
 367      * being displayed by this fragment
 368      * @return The currently viewed OCFile
 369      */
 370     public OCFile getCurrentFile(){
 371         return mFile;
 372     }
 373
 374     /**
 375      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 376      */
 377     public void listDirectory(){
 378         listDirectory(null);
 379     }
 380
 381     /**
 382      * Lists the given directory on the view. When the input parameter is null,
 383      * it will either refresh the last known directory. list the root
 384      * if there never was a directory.
 385      *
 386      * @param directory File to be listed
 387      */
 388     public void listDirectory(OCFile directory) {
 389         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 390         if (storageManager != null) {
 391
 392             // Check input parameters for null
 393             if(directory == null){
 394                 if(mFile != null){
 395                     directory = mFile;
 396                 } else {
 397                     directory = storageManager.getFileByPath("/");
 398                     if (directory == null) return; // no files, wait for sync
 399                 }
 400             }
 401
 402
 403             // If that's not a directory -> List its parent
 404             if(!directory.isDirectory()){
 405                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 406                 directory = storageManager.getFileById(directory.getParentId());
 407             }
 408
 409             mAdapter.swapDirectory(directory, storageManager);
 410             if (mFile == null || !mFile.equals(directory)) {
 411                 mList.setSelectionFromTop(0, 0);
 412             }
 413             mFile = directory;
 414         }
 415     }
 416
 417
 418
 419     /**
 420      * Interface to implement by any Activity that includes some instance of FileListFragment
 421      *
 422      * @author David A. Velasco
 423      */
 424     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener {
 425
 426         /**
 427          * Callback method invoked when a directory is clicked by the user on the files list
 428          *
 429          * @param file
 430          */
 431         public void onDirectoryClick(OCFile file);
 432
 433         /**
 434          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 435          *
 436          * @param file
 437          */
 438         public void onFileClick(OCFile file);
 439
 440         /**
 441          * Getter for the current DataStorageManager in the container activity
 442          */
 443         public DataStorageManager getStorageManager();
 444
 445
 446         /**
 447          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 448          *
 449          * @return  Directory to list firstly. Can be NULL.
 450          */
 451         public OCFile getInitialDirectory();
 452
 453
 454         /**
 455          * Callback method invoked when a the 'transfer state' of a file changes.
 456          *
 457          * This happens when a download or upload is started or ended for a file.
 458          *
 459          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 460          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 461          * won't provide the needed response before the method where this is called finishes.
 462          *
 463          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 464          *
 465          * @param file          OCFile which state changed.
 466          * @param downloading   Flag signaling if the file is now downloading.
 467          * @param uploading     Flag signaling if the file is now uploading.
 468          */
 469         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 470
 471     }
 472
 473
 474     @Override
 475     public void onDismiss(EditNameDialog dialog) {
 476         if (dialog.getResult()) {
 477             String newFilename = dialog.getNewFilename();
 478             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 479             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 480                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 481                                                                 newFilename,
 482                                                                 mContainerActivity.getStorageManager());
 483             operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 484             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 485         }
 486     }
 487
 488
 489     @Override
 490     public void onConfirmation(String callerTag) {
 491         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 492             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 493                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 494                                                                     true,
 495                                                                     mContainerActivity.getStorageManager());
 496                 operation.execute(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity(), mContainerActivity, mHandler, getSherlockActivity());
 497
 498                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 499             }
 500         }
 501     }
 502
 503     @Override
 504     public void onNeutral(String callerTag) {
 505         File f = null;
 506         if (mTargetFile.isDirectory()) {
 507             // TODO run in a secondary thread?
 508             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 509
 510         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 511             f.delete();
 512             mTargetFile.setStoragePath(null);
 513             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 514         }
 515         listDirectory();
 516         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 517     }
 518
 519     @Override
 520     public void onCancel(String callerTag) {
 521         Log_OC.d(TAG, "REMOVAL CANCELED");
 522     }
 523
 524
 525 }