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