src/com/owncloud/android/ui/fragment/OCFileListFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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
  22 import com.owncloud.android.AccountUtils;
  23 import com.owncloud.android.R;
  24 import com.owncloud.android.datamodel.DataStorageManager;
  25 import com.owncloud.android.datamodel.OCFile;
  26 import com.owncloud.android.files.services.FileDownloader;
  27 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  28 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  29 import com.owncloud.android.network.OwnCloudClientUtils;
  30 import com.owncloud.android.operations.OnRemoteOperationListener;
  31 import com.owncloud.android.operations.RemoteOperation;
  32 import com.owncloud.android.operations.RemoteOperationResult;
  33 import com.owncloud.android.operations.RemoveFileOperation;
  34 import com.owncloud.android.operations.RenameFileOperation;
  35 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  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.fragment.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  42
  43 import eu.alefzero.webdav.WebdavClient;
  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.support.v4.app.FragmentTransaction;
  54 import android.util.Log;
  55 import android.view.ContextMenu;
  56 import android.view.MenuInflater;
  57 import android.view.MenuItem;
  58 import android.view.View;
  59 import android.webkit.MimeTypeMap;
  60 import android.widget.AdapterView;
  61 import android.widget.Toast;
  62 import android.widget.AdapterView.AdapterContextMenuInfo;
  63
  64 /**
  65  * A Fragment that lists all files and folders in a given path.
  66  *
  67  * @author Bartek Przybylski
  68  *
  69  */
  70 public class OCFileListFragment extends FragmentListView implements EditNameDialog.EditNameDialogListener, OnRemoteOperationListener, ConfirmationDialogFragmentListener {
  71     private static final String TAG = "FileListFragment";
  72     private static final String SAVED_LIST_POSITION = "LIST_POSITION";
  73
  74     private OCFileListFragment.ContainerActivity mContainerActivity;
  75
  76     private OCFile mFile = null;
  77     private FileListListAdapter mAdapter;
  78
  79     private Handler mHandler;
  80     private boolean mIsLargeLayout;
  81     private OCFile mTargetFile;
  82
  83
  84     /**
  85      * {@inheritDoc}
  86      */
  87     @Override
  88     public void onAttach(Activity activity) {
  89         super.onAttach(activity);
  90         try {
  91             mContainerActivity = (ContainerActivity) activity;
  92         } catch (ClassCastException e) {
  93             throw new ClassCastException(activity.toString() + " must implement " + OCFileListFragment.ContainerActivity.class.getSimpleName());
  94         }
  95     }
  96
  97
  98     /**
  99      * {@inheritDoc}
 100      */
 101     @Override
 102     public void onActivityCreated(Bundle savedInstanceState) {
 103         Log.i(TAG, "onActivityCreated() start");
 104
 105         super.onActivityCreated(savedInstanceState);
 106         mAdapter = new FileListListAdapter(mContainerActivity.getInitialDirectory(), mContainerActivity.getStorageManager(), getActivity(), mContainerActivity);
 107         setListAdapter(mAdapter);
 108
 109         if (savedInstanceState != null) {
 110             Log.i(TAG, "savedInstanceState is not null");
 111             int position = savedInstanceState.getInt(SAVED_LIST_POSITION);
 112             setReferencePosition(position);
 113         }
 114
 115         registerForContextMenu(getListView());
 116         getListView().setOnCreateContextMenuListener(this);
 117
 118         mIsLargeLayout = getResources().getBoolean(R.bool.large_layout);
 119         mHandler = new Handler();
 120
 121         Log.i(TAG, "onActivityCreated() stop");
 122     }
 123
 124
 125
 126     @Override
 127     public void onSaveInstanceState(Bundle savedInstanceState) {
 128         Log.i(TAG, "onSaveInstanceState() start");
 129
 130         savedInstanceState.putInt(SAVED_LIST_POSITION, getReferencePosition());
 131
 132         Log.i(TAG, "onSaveInstanceState() stop");
 133     }
 134
 135
 136     @Override
 137     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 138         OCFile file = (OCFile) mAdapter.getItem(position);
 139         if (file != null) {
 140             /// Click on a directory
 141             if (file.getMimetype().equals("DIR")) {
 142                 // just local updates
 143                 mFile = file;
 144                 listDirectory(file);
 145                 // any other updates are let to the container Activity
 146                 mContainerActivity.onDirectoryClick(file);
 147
 148             } else {    /// Click on a file
 149                 mContainerActivity.onFileClick(file);
 150             }
 151
 152         } else {
 153             Log.d(TAG, "Null object in ListAdapter!!");
 154         }
 155
 156     }
 157
 158     /**
 159      * {@inheritDoc}
 160      */
 161     @Override
 162     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 163         super.onCreateContextMenu(menu, v, menuInfo);
 164         MenuInflater inflater = getActivity().getMenuInflater();
 165         inflater.inflate(R.menu.file_context_menu, menu);
 166         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 167         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 168         MenuItem item = null;
 169         int[] ids = null;
 170         if (targetFile.isDirectory()) {
 171             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_download_item, R.id.cancel_upload_item};
 172             ids = theIds;
 173
 174         } else if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 175             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_upload_item};
 176             ids = theIds;
 177
 178         } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 179             int[] theIds = {R.id.open_file_item, R.id.download_file_item, R.id.cancel_download_item};
 180             ids = theIds;
 181
 182         } else if ( targetFile.isDown()) {
 183             int[] theIds = {R.id.cancel_download_item, R.id.cancel_upload_item};
 184             ids = theIds;
 185
 186         } else {
 187             int[] theIds = {R.id.open_file_item, R.id.cancel_download_item, R.id.cancel_upload_item};
 188             ids = theIds;
 189         }
 190
 191         for (int i=0; i < ids.length; i++) {
 192             item = menu.findItem(ids[i]);
 193             if (item != null) {
 194                 item.setVisible(false);
 195                 item.setEnabled(false);
 196             }
 197         }
 198     }
 199
 200
 201     /**
 202      * {@inhericDoc}
 203      */
 204     @Override
 205     public boolean onContextItemSelected (MenuItem item) {
 206         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 207         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 208         switch (item.getItemId()) {
 209             case R.id.rename_file_item: {
 210                 EditNameDialog dialog = EditNameDialog.newInstance(mTargetFile.getFileName());
 211                 dialog.setOnDismissListener(this);
 212                 dialog.show(getFragmentManager(), "nameeditdialog");
 213                 Log.d(TAG, "RENAME SELECTED, item " + info.id + " at position " + info.position);
 214                 return true;
 215             }
 216             case R.id.remove_file_item: {
 217                 int messageStringId = R.string.confirmation_remove_alert;
 218                 int posBtnStringId = R.string.confirmation_remove_remote;
 219                 int neuBtnStringId = -1;
 220                 if (mTargetFile.isDirectory()) {
 221                     messageStringId = R.string.confirmation_remove_folder_alert;
 222                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 223                     neuBtnStringId = R.string.confirmation_remove_folder_local;
 224                 } else if (mTargetFile.isDown()) {
 225                     posBtnStringId = R.string.confirmation_remove_remote_and_local;
 226                     neuBtnStringId = R.string.confirmation_remove_local;
 227                 }
 228                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 229                         messageStringId,
 230                         new String[]{mTargetFile.getFileName()},
 231                         posBtnStringId,
 232                         neuBtnStringId,
 233                         R.string.common_cancel);
 234                 confDialog.setOnConfirmationListener(this);
 235                 confDialog.show(getFragmentManager(), FileDetailFragment.FTAG_CONFIRMATION);
 236                 Log.d(TAG, "REMOVE SELECTED, item " + info.id + " at position " + info.position);
 237                 return true;
 238             }
 239             case R.id.open_file_item: {
 240                 String storagePath = mTargetFile.getStoragePath();
 241                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 242                 try {
 243                     Intent i = new Intent(Intent.ACTION_VIEW);
 244                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mTargetFile.getMimetype());
 245                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 246                     startActivity(i);
 247
 248                 } catch (Throwable t) {
 249                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mTargetFile.getMimetype());
 250                     boolean toastIt = true;
 251                     String mimeType = "";
 252                     try {
 253                         Intent i = new Intent(Intent.ACTION_VIEW);
 254                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 255                         if (mimeType == null || !mimeType.equals(mTargetFile.getMimetype())) {
 256                             if (mimeType != null) {
 257                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 258                             } else {
 259                                 // desperate try
 260                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 261                             }
 262                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 263                             startActivity(i);
 264                             toastIt = false;
 265                         }
 266
 267                     } catch (IndexOutOfBoundsException e) {
 268                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 269
 270                     } catch (ActivityNotFoundException e) {
 271                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 272
 273                     } catch (Throwable th) {
 274                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 275
 276                     } finally {
 277                         if (toastIt) {
 278                             Toast.makeText(getActivity(), "There is no application to handle file " + mTargetFile.getFileName(), Toast.LENGTH_SHORT).show();
 279                         }
 280                     }
 281
 282                 }
 283                 return true;
 284             }
 285             case R.id.download_file_item: {
 286                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 287                 Intent i = new Intent(getActivity(), FileDownloader.class);
 288                 i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
 289                 i.putExtra(FileDownloader.EXTRA_FILE, mTargetFile);
 290                 getActivity().startService(i);
 291                 listDirectory();
 292                 return true;
 293             }
 294             case R.id.cancel_download_item: {
 295                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 296                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 297                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 298                     downloaderBinder.cancel(account, mTargetFile);
 299                     listDirectory();
 300                 }
 301                 return true;
 302             }
 303             case R.id.cancel_upload_item: {
 304                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 305                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 306                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 307                     uploaderBinder.cancel(account, mTargetFile);
 308                     listDirectory();
 309                 }
 310                 return true;
 311             }
 312             default:
 313                 return super.onContextItemSelected(item);
 314         }
 315     }
 316
 317
 318     /**
 319      * Call this, when the user presses the up button
 320      */
 321     public void onNavigateUp() {
 322         OCFile parentDir = null;
 323
 324         if(mFile != null){
 325             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 326             parentDir = storageManager.getFileById(mFile.getParentId());
 327             mFile = parentDir;
 328         }
 329         listDirectory(parentDir);
 330     }
 331
 332     /**
 333      * Use this to query the {@link OCFile} that is currently
 334      * being displayed by this fragment
 335      * @return The currently viewed OCFile
 336      */
 337     public OCFile getCurrentFile(){
 338         return mFile;
 339     }
 340
 341     /**
 342      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 343      */
 344     public void listDirectory(){
 345         listDirectory(null);
 346     }
 347
 348     /**
 349      * Lists the given directory on the view. When the input parameter is null,
 350      * it will either refresh the last known directory, or list the root
 351      * if there never was a directory.
 352      *
 353      * @param directory File to be listed
 354      */
 355     public void listDirectory(OCFile directory) {
 356         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 357         if (storageManager != null) {
 358
 359             // Check input parameters for null
 360             if(directory == null){
 361                 if(mFile != null){
 362                     directory = mFile;
 363                 } else {
 364                     directory = storageManager.getFileByPath("/");
 365                     if (directory == null) return; // no files, wait for sync
 366                 }
 367             }
 368
 369
 370             // If that's not a directory -> List its parent
 371             if(!directory.isDirectory()){
 372                 Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 373                 directory = storageManager.getFileById(directory.getParentId());
 374             }
 375
 376             mAdapter.swapDirectory(directory, storageManager);
 377             if (mFile == null || !mFile.equals(directory)) {
 378                 mList.setSelectionFromTop(0, 0);
 379             }
 380             mFile = directory;
 381         }
 382     }
 383
 384
 385
 386     /**
 387      * Interface to implement by any Activity that includes some instance of FileListFragment
 388      *
 389      * @author David A. Velasco
 390      */
 391     public interface ContainerActivity extends TransferServiceGetter {
 392
 393         /**
 394          * Callback method invoked when a directory is clicked by the user on the files list
 395          *
 396          * @param file
 397          */
 398         public void onDirectoryClick(OCFile file);
 399
 400         /**
 401          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 402          *
 403          * @param file
 404          */
 405         public void onFileClick(OCFile file);
 406
 407         /**
 408          * Getter for the current DataStorageManager in the container activity
 409          */
 410         public DataStorageManager getStorageManager();
 411
 412
 413         /**
 414          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 415          *
 416          * @return  Directory to list firstly. Can be NULL.
 417          */
 418         public OCFile getInitialDirectory();
 419
 420
 421     }
 422
 423
 424
 425     @Override
 426     public void onDismiss(EditNameDialog dialog) {
 427         if (dialog.getResult()) {
 428             String newFilename = dialog.getNewFilename();
 429             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 430             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 431                                                                 newFilename,
 432                                                                 mContainerActivity.getStorageManager());
 433             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 434             operation.execute(wc, this, mHandler);
 435             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 436         }
 437     }
 438
 439
 440     @Override
 441     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 442         if (operation instanceof RemoveFileOperation) {
 443             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 444
 445         } else if (operation instanceof RenameFileOperation) {
 446             onRenameFileOperationFinish((RenameFileOperation)operation, result);
 447         }
 448     }
 449
 450
 451     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 452         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 453         if (result.isSuccess()) {
 454             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 455             msg.show();
 456             if (mIsLargeLayout) {
 457                 // TODO - this should be done only when the current FileDetailFragment shows the deleted file
 458                 //          -> THIS METHOD WOULD BE BETTER PLACED AT THE ACTIVITY LEVEL
 459                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 460                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 461                 transaction.commit();
 462             }
 463             listDirectory();
 464
 465         } else {
 466             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 467             msg.show();
 468             if (result.isSslRecoverableException()) {
 469                 // TODO show the SSL warning dialog
 470             }
 471         }
 472     }
 473
 474
 475     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 476         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 477         if (result.isSuccess()) {
 478             listDirectory();
 479             // TODO is file
 480
 481         } else {
 482             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 483                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 484                 msg.show();
 485                 // TODO throw again the new rename dialog
 486             } else {
 487                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 488                 msg.show();
 489                 if (result.isSslRecoverableException()) {
 490                     // TODO show the SSL warning dialog
 491                 }
 492             }
 493         }
 494     }
 495
 496
 497     @Override
 498     public void onConfirmation(String callerTag) {
 499         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 500             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 501                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 502                                                                     true,
 503                                                                     mContainerActivity.getStorageManager());
 504                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 505                 operation.execute(wc, this, mHandler);
 506
 507                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 508             }
 509         }
 510     }
 511
 512     @Override
 513     public void onNeutral(String callerTag) {
 514         File f = null;
 515         if (mTargetFile.isDirectory()) {
 516             // TODO run in a secondary thread?
 517             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 518
 519         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 520             f.delete();
 521             mTargetFile.setStoragePath(null);
 522             mContainerActivity.getStorageManager().saveFile(mFile);
 523         }
 524         listDirectory();
 525     }
 526
 527     @Override
 528     public void onCancel(String callerTag) {
 529         Log.d(TAG, "REMOVAL CANCELED");
 530     }
 531
 532
 533 }