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.network.OwnCloudClientUtils;
  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.WebdavClient;
  46 import eu.alefzero.webdav.WebdavUtils;
  47
  48 import android.accounts.Account;
  49 import android.app.Activity;
  50 import android.content.ActivityNotFoundException;
  51 import android.content.Intent;
  52 import android.net.Uri;
  53 import android.os.Bundle;
  54 import android.os.Handler;
  55 import android.util.Log;
  56 import android.view.ContextMenu;
  57 import android.view.MenuInflater;
  58 import android.view.MenuItem;
  59 import android.view.View;
  60 import android.webkit.MimeTypeMap;
  61 import android.widget.AdapterView;
  62 import android.widget.Toast;
  63 import android.widget.AdapterView.AdapterContextMenuInfo;
  64
  65 /**
  66  * A Fragment that lists all files and folders in a given path.
  67  *
  68  * @author Bartek Przybylski
  69  *
  70  */
  71 public class OCFileListFragment extends FragmentListView implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  72     private static final String TAG = "FileListFragment";
  73     private static final String SAVED_LIST_POSITION = "LIST_POSITION";
  74
  75     private OCFileListFragment.ContainerActivity mContainerActivity;
  76
  77     private OCFile mFile = null;
  78     private FileListListAdapter mAdapter;
  79
  80     private Handler mHandler;
  81     private OCFile mTargetFile;
  82
  83     /**
  84      * {@inheritDoc}
  85      */
  86     @Override
  87     public void onAttach(Activity activity) {
  88         super.onAttach(activity);
  89         try {
  90             mContainerActivity = (ContainerActivity) activity;
  91         } catch (ClassCastException e) {
  92             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
  93         }
  94     }
  95
  96
  97     /**
  98      * {@inheritDoc}
  99      */
 100     @Override
 101     public void onActivityCreated(Bundle savedInstanceState) {
 102         Log_OC.i(TAG, "onActivityCreated() start");
 103
 104         super.onActivityCreated(savedInstanceState);
 105         mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
 106         setListAdapter(mAdapter);
 107
 108         if (savedInstanceState != null) {
 109             Log_OC.i(TAG, "savedInstanceState is not null");
 110             int position = savedInstanceState.getInt(SAVED_LIST_POSITION);
 111             setReferencePosition(position);
 112         }
 113
 114         registerForContextMenu(getListView());
 115         getListView().setOnCreateContextMenuListener(this);
 116
 117         mHandler = new Handler();
 118
 119         Log_OC.i(TAG, "onActivityCreated() stop");
 120     }
 121
 122
 123
 124     @Override
 125     public void onSaveInstanceState(Bundle savedInstanceState) {
 126         Log_OC.i(TAG, "onSaveInstanceState() start");
 127
 128         savedInstanceState.putInt(SAVED_LIST_POSITION, getReferencePosition());
 129
 130         Log_OC.i(TAG, "onSaveInstanceState() stop");
 131     }
 132
 133
 134     @Override
 135     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 136         OCFile file = (OCFile) mAdapter.getItem(position);
 137         if (file != null) {
 138             /// Click on a directory
 139             if (file.getMimetype().equals("DIR")) {
 140                 // just local updates
 141                 mFile = file;
 142                 listDirectory(file);
 143                 // any other updates are let to the container Activity
 144                 mContainerActivity.onDirectoryClick(file);
 145
 146             } else {    /// Click on a file
 147                 mContainerActivity.onFileClick(file);
 148             }
 149
 150         } else {
 151             Log_OC.d(TAG, "Null object in ListAdapter!!");
 152         }
 153
 154     }
 155
 156     /**
 157      * {@inheritDoc}
 158      */
 159     @Override
 160     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 161         super.onCreateContextMenu(menu, v, menuInfo);
 162         MenuInflater inflater = getActivity().getMenuInflater();
 163         inflater.inflate(R.menu.file_actions_menu, menu);
 164         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 165         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 166         List<Integer> toHide = new ArrayList<Integer>();
 167         List<Integer> toDisable = new ArrayList<Integer>();
 168
 169         MenuItem item = null;
 170         if (targetFile.isDirectory()) {
 171             // contextual menu for folders
 172             toHide.add(R.id.action_open_file_with);
 173             toHide.add(R.id.action_download_file);
 174             toHide.add(R.id.action_cancel_download);
 175             toHide.add(R.id.action_cancel_upload);
 176             toHide.add(R.id.action_see_details);
 177             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 178                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 179                 toDisable.add(R.id.action_rename_file);
 180                 toDisable.add(R.id.action_remove_file);
 181
 182             }
 183
 184         } else {
 185             // contextual menu for regular files
 186             if (targetFile.isDown()) {
 187                 toHide.add(R.id.action_cancel_download);
 188                 toHide.add(R.id.action_cancel_upload);
 189                 item = menu.findItem(R.id.action_download_file);
 190                 if (item != null) {
 191                     item.setTitle(R.string.filedetails_sync_file);
 192                 }
 193             } else {
 194                 toHide.add(R.id.action_open_file_with);
 195             }
 196             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 197                 toHide.add(R.id.action_download_file);
 198                 toHide.add(R.id.action_cancel_upload);
 199                 toDisable.add(R.id.action_open_file_with);
 200                 toDisable.add(R.id.action_rename_file);
 201                 toDisable.add(R.id.action_remove_file);
 202
 203             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 204                 toHide.add(R.id.action_download_file);
 205                 toHide.add(R.id.action_cancel_download);
 206                 toDisable.add(R.id.action_open_file_with);
 207                 toDisable.add(R.id.action_rename_file);
 208                 toDisable.add(R.id.action_remove_file);
 209
 210             } else {
 211                 toHide.add(R.id.action_cancel_download);
 212                 toHide.add(R.id.action_cancel_upload);
 213             }
 214         }
 215
 216         for (int i : toHide) {
 217             item = menu.findItem(i);
 218             if (item != null) {
 219                 item.setVisible(false);
 220                 item.setEnabled(false);
 221             }
 222         }
 223
 224         for (int i : toDisable) {
 225             item = menu.findItem(i);
 226             if (item != null) {
 227                 item.setEnabled(false);
 228             }
 229         }
 230     }
 231
 232
 233     /**
 234      * {@inhericDoc}
 235      */
 236     @Override
 237     public boolean onContextItemSelected (MenuItem item) {
 238         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 239         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 240         switch (item.getItemId()) {
 241             case R.id.action_rename_file: {
 242                 String fileName = mTargetFile.getFileName();
 243                 int extensionStart = mTargetFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 244                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 245                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 246                 dialog.show(getFragmentManager(), EditNameDialog.TAG);
 247                 return true;
 248             }
 249             case R.id.action_remove_file: {
 250                 int messageStringId = R.string.confirmation_remove_alert;
 251                 int posBtnStringId = R.string.confirmation_remove_remote;
 252                 int neuBtnStringId = -1;
 253                 if (mTargetFile.isDirectory()) {
 254                     messageStringId = R.string.confirmation_remove_folder_alert;
 255                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 256                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 257                 } else if (mTargetFile.isDown()) {
 258                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 259                     neuBtnStringId = R.string.confirmation_remove_local;
 260                 }
 261                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 262                         messageStringId,
 263                         new String[]{mTargetFile.getFileName()},
 264                         posBtnStringId,
 265                         neuBtnStringId,
 266                         R.string.common_cancel);
 267                 confDialog.setOnConfirmationListener(this);
 268                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 269                 return true;
 270             }
 271             case R.id.action_open_file_with: {
 272                 String storagePath = mTargetFile.getStoragePath();
 273                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 274                 try {
 275                     Intent i = new Intent(Intent.ACTION_VIEW);
 276                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mTargetFile.getMimetype());
 277                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 278                     startActivity(i);
 279
 280                 } catch (Throwable t) {
 281                     Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mTargetFile.getMimetype());
 282                     boolean toastIt = true;
 283                     String mimeType = "";
 284                     try {
 285                         Intent i = new Intent(Intent.ACTION_VIEW);
 286                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 287                         if (mimeType == null || !mimeType.equals(mTargetFile.getMimetype())) {
 288                             if (mimeType != null) {
 289                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 290                             } else {
 291                                 // desperate try
 292                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 293                             }
 294                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 295                             startActivity(i);
 296                             toastIt = false;
 297                         }
 298
 299                     } catch (IndexOutOfBoundsException e) {
 300                         Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 301
 302                     } catch (ActivityNotFoundException e) {
 303                         Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 304
 305                     } catch (Throwable th) {
 306                         Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 307
 308                     } finally {
 309                         if (toastIt) {
 310                             Toast.makeText(getActivity(), "There is no application to handle file " + mTargetFile.getFileName(), Toast.LENGTH_SHORT).show();
 311                         }
 312                     }
 313
 314                 }
 315                 return true;
 316             }
 317             case R.id.action_download_file: {
 318                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 319                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 320                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getSherlockActivity().getApplicationContext());
 321                 operation.execute(wc, mContainerActivity, mHandler);
 322                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 323                 return true;
 324             }
 325             case R.id.action_cancel_download: {
 326                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 327                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 328                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 329                     downloaderBinder.cancel(account, mTargetFile);
 330                     listDirectory();
 331                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 332                 }
 333                 return true;
 334             }
 335             case R.id.action_cancel_upload: {
 336                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 337                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 338                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 339                     uploaderBinder.cancel(account, mTargetFile);
 340                     listDirectory();
 341                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 342                 }
 343                 return true;
 344             }
 345             case R.id.action_see_details: {
 346                 ((FileFragment.ContainerActivity)getActivity()).showFragmentWithDetails(mTargetFile);
 347                 return true;
 348             }
 349             default:
 350                 return super.onContextItemSelected(item);
 351         }
 352     }
 353
 354
 355     /**
 356      * Call this, when the user presses the up button
 357      */
 358     public void onNavigateUp() {
 359         OCFile parentDir = null;
 360
 361         if(mFile != null){
 362             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 363             parentDir = storageManager.getFileById(mFile.getParentId());
 364             mFile = parentDir;
 365         }
 366         listDirectory(parentDir);
 367     }
 368
 369     /**
 370      * Use this to query the {@link OCFile} that is currently
 371      * being displayed by this fragment
 372      * @return The currently viewed OCFile
 373      */
 374     public OCFile getCurrentFile(){
 375         return mFile;
 376     }
 377
 378     /**
 379      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 380      */
 381     public void listDirectory(){
 382         listDirectory(null);
 383     }
 384
 385     /**
 386      * Lists the given directory on the view. When the input parameter is null,
 387      * it will either refresh the last known directory. list the root
 388      * if there never was a directory.
 389      *
 390      * @param directory File to be listed
 391      */
 392     public void listDirectory(OCFile directory) {
 393         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 394         if (storageManager != null) {
 395
 396             // Check input parameters for null
 397             if(directory == null){
 398                 if(mFile != null){
 399                     directory = mFile;
 400                 } else {
 401                     directory = storageManager.getFileByPath("/");
 402                     if (directory == null) return; // no files, wait for sync
 403                 }
 404             }
 405
 406
 407             // If that's not a directory -> List its parent
 408             if(!directory.isDirectory()){
 409                 Log_OC.w(TAG, "You see, that is not a directory -> " + directory.toString());
 410                 directory = storageManager.getFileById(directory.getParentId());
 411             }
 412
 413             mAdapter.swapDirectory(directory, storageManager);
 414             if (mFile == null || !mFile.equals(directory)) {
 415                 mList.setSelectionFromTop(0, 0);
 416             }
 417             mFile = directory;
 418         }
 419     }
 420
 421
 422
 423     /**
 424      * Interface to implement by any Activity that includes some instance of FileListFragment
 425      *
 426      * @author David A. Velasco
 427      */
 428     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener {
 429
 430         /**
 431          * Callback method invoked when a directory is clicked by the user on the files list
 432          *
 433          * @param file
 434          */
 435         public void onDirectoryClick(OCFile file);
 436
 437         /**
 438          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 439          *
 440          * @param file
 441          */
 442         public void onFileClick(OCFile file);
 443
 444         /**
 445          * Getter for the current DataStorageManager in the container activity
 446          */
 447         public DataStorageManager getStorageManager();
 448
 449
 450         /**
 451          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 452          *
 453          * @return  Directory to list firstly. Can be NULL.
 454          */
 455         public OCFile getInitialDirectory();
 456
 457
 458         /**
 459          * Callback method invoked when a the 'transfer state' of a file changes.
 460          *
 461          * This happens when a download or upload is started or ended for a file.
 462          *
 463          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 464          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 465          * won't provide the needed response before the method where this is called finishes.
 466          *
 467          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 468          *
 469          * @param file          OCFile which state changed.
 470          * @param downloading   Flag signaling if the file is now downloading.
 471          * @param uploading     Flag signaling if the file is now uploading.
 472          */
 473         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 474
 475     }
 476
 477
 478     @Override
 479     public void onDismiss(EditNameDialog dialog) {
 480         if (dialog.getResult()) {
 481             String newFilename = dialog.getNewFilename();
 482             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 483             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 484                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 485                                                                 newFilename,
 486                                                                 mContainerActivity.getStorageManager());
 487             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 488             operation.execute(wc, mContainerActivity, mHandler);
 489             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 490         }
 491     }
 492
 493
 494     @Override
 495     public void onConfirmation(String callerTag) {
 496         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 497             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 498                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 499                                                                     true,
 500                                                                     mContainerActivity.getStorageManager());
 501                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 502                 operation.execute(wc, mContainerActivity, mHandler);
 503
 504                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 505             }
 506         }
 507     }
 508
 509     @Override
 510     public void onNeutral(String callerTag) {
 511         File f = null;
 512         if (mTargetFile.isDirectory()) {
 513             // TODO run in a secondary thread?
 514             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 515
 516         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 517             f.delete();
 518             mTargetFile.setStoragePath(null);
 519             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 520         }
 521         listDirectory();
 522         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 523     }
 524
 525     @Override
 526     public void onCancel(String callerTag) {
 527         Log_OC.d(TAG, "REMOVAL CANCELED");
 528     }
 529
 530
 531 }