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 as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui.fragment;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import com.owncloud.android.AccountUtils;
  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.support.v4.app.DialogFragment;
  56 import android.util.Log;
  57 import android.view.ContextMenu;
  58 import android.view.MenuInflater;
  59 import android.view.MenuItem;
  60 import android.view.View;
  61 import android.webkit.MimeTypeMap;
  62 import android.widget.AdapterView;
  63 import android.widget.Toast;
  64 import android.widget.AdapterView.AdapterContextMenuInfo;
  65
  66 /**
  67  * A Fragment that lists all files and folders in a given path.
  68  *
  69  * @author Bartek Przybylski
  70  *
  71  */
  72 public class OCFileListFragment extends FragmentListView implements EditNameDialogListener, ConfirmationDialogFragmentListener {
  73     private static final String TAG = "FileListFragment";
  74     private static final String SAVED_LIST_POSITION = "LIST_POSITION";
  75
  76     private OCFileListFragment.ContainerActivity mContainerActivity;
  77
  78     private OCFile mFile = null;
  79     private FileListListAdapter mAdapter;
  80
  81     private Handler mHandler;
  82     private OCFile mTargetFile;
  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         mHandler = new Handler();
 119
 120         Log.i(TAG, "onActivityCreated() stop");
 121     }
 122
 123
 124
 125     @Override
 126     public void onSaveInstanceState(Bundle savedInstanceState) {
 127         Log.i(TAG, "onSaveInstanceState() start");
 128
 129         savedInstanceState.putInt(SAVED_LIST_POSITION, getReferencePosition());
 130
 131         Log.i(TAG, "onSaveInstanceState() stop");
 132     }
 133
 134
 135     @Override
 136     public void onItemClick(AdapterView<?> l, View v, int position, long id) {
 137         OCFile file = (OCFile) mAdapter.getItem(position);
 138         if (file != null) {
 139             /// Click on a directory
 140             if (file.getMimetype().equals("DIR")) {
 141                 // just local updates
 142                 mFile = file;
 143                 listDirectory(file);
 144                 // any other updates are let to the container Activity
 145                 mContainerActivity.onDirectoryClick(file);
 146
 147             } else {    /// Click on a file
 148                 mContainerActivity.onFileClick(file);
 149             }
 150
 151         } else {
 152             Log.d(TAG, "Null object in ListAdapter!!");
 153         }
 154
 155     }
 156
 157     /**
 158      * {@inheritDoc}
 159      */
 160     @Override
 161     public void onCreateContextMenu (ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
 162         super.onCreateContextMenu(menu, v, menuInfo);
 163         MenuInflater inflater = getActivity().getMenuInflater();
 164         inflater.inflate(R.menu.file_actions_menu, menu);
 165         AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
 166         OCFile targetFile = (OCFile) mAdapter.getItem(info.position);
 167         List<Integer> toHide = new ArrayList<Integer>();
 168         List<Integer> toDisable = new ArrayList<Integer>();
 169
 170         MenuItem item = null;
 171         if (targetFile.isDirectory()) {
 172             // contextual menu for folders
 173             toHide.add(R.id.action_open_file_with);
 174             toHide.add(R.id.action_download_file);
 175             toHide.add(R.id.action_cancel_download);
 176             toHide.add(R.id.action_cancel_upload);
 177             toHide.add(R.id.action_see_details);
 178             if (    mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile) ||
 179                     mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)           ) {
 180                 toDisable.add(R.id.action_rename_file);
 181                 toDisable.add(R.id.action_remove_file);
 182
 183             }
 184
 185         } else {
 186             // contextual menu for regular files
 187             if (targetFile.isDown()) {
 188                 toHide.add(R.id.action_cancel_download);
 189                 toHide.add(R.id.action_cancel_upload);
 190                 item = menu.findItem(R.id.action_download_file);
 191                 if (item != null) {
 192                     item.setTitle(R.string.filedetails_sync_file);
 193                 }
 194             } else {
 195                 toHide.add(R.id.action_open_file_with);
 196             }
 197             if ( mContainerActivity.getFileDownloaderBinder().isDownloading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 198                 toHide.add(R.id.action_download_file);
 199                 toHide.add(R.id.action_cancel_upload);
 200                 toDisable.add(R.id.action_open_file_with);
 201                 toDisable.add(R.id.action_rename_file);
 202                 toDisable.add(R.id.action_remove_file);
 203
 204             } else if ( mContainerActivity.getFileUploaderBinder().isUploading(AccountUtils.getCurrentOwnCloudAccount(getActivity()), targetFile)) {
 205                 toHide.add(R.id.action_download_file);
 206                 toHide.add(R.id.action_cancel_download);
 207                 toDisable.add(R.id.action_open_file_with);
 208                 toDisable.add(R.id.action_rename_file);
 209                 toDisable.add(R.id.action_remove_file);
 210
 211             } else {
 212                 toHide.add(R.id.action_cancel_download);
 213                 toHide.add(R.id.action_cancel_upload);
 214             }
 215         }
 216
 217         for (int i : toHide) {
 218             item = menu.findItem(i);
 219             if (item != null) {
 220                 item.setVisible(false);
 221                 item.setEnabled(false);
 222             }
 223         }
 224
 225         for (int i : toDisable) {
 226             item = menu.findItem(i);
 227             if (item != null) {
 228                 item.setEnabled(false);
 229             }
 230         }
 231     }
 232
 233
 234     /**
 235      * {@inhericDoc}
 236      */
 237     @Override
 238     public boolean onContextItemSelected (MenuItem item) {
 239         AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
 240         mTargetFile = (OCFile) mAdapter.getItem(info.position);
 241         switch (item.getItemId()) {
 242             case R.id.action_rename_file: {
 243                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mTargetFile.getFileName(), 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                 String storagePath = mTargetFile.getStoragePath();
 271                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 272                 try {
 273                     Intent i = new Intent(Intent.ACTION_VIEW);
 274                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mTargetFile.getMimetype());
 275                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 276                     startActivity(i);
 277
 278                 } catch (Throwable t) {
 279                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mTargetFile.getMimetype());
 280                     boolean toastIt = true;
 281                     String mimeType = "";
 282                     try {
 283                         Intent i = new Intent(Intent.ACTION_VIEW);
 284                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 285                         if (mimeType == null || !mimeType.equals(mTargetFile.getMimetype())) {
 286                             if (mimeType != null) {
 287                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 288                             } else {
 289                                 // desperate try
 290                                 i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 291                             }
 292                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 293                             startActivity(i);
 294                             toastIt = false;
 295                         }
 296
 297                     } catch (IndexOutOfBoundsException e) {
 298                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 299
 300                     } catch (ActivityNotFoundException e) {
 301                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 302
 303                     } catch (Throwable th) {
 304                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 305
 306                     } finally {
 307                         if (toastIt) {
 308                             Toast.makeText(getActivity(), "There is no application to handle file " + mTargetFile.getFileName(), Toast.LENGTH_SHORT).show();
 309                         }
 310                     }
 311
 312                 }
 313                 return true;
 314             }
 315             case R.id.action_download_file: {
 316                 Account account = AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity());
 317                 RemoteOperation operation = new SynchronizeFileOperation(mTargetFile, null, mContainerActivity.getStorageManager(), account, true, false, getSherlockActivity());
 318                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getSherlockActivity().getApplicationContext());
 319                 operation.execute(wc, mContainerActivity, mHandler);
 320                 getSherlockActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 321                 return true;
 322             }
 323             case R.id.action_cancel_download: {
 324                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 325                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 326                 if (downloaderBinder != null && downloaderBinder.isDownloading(account, mTargetFile)) {
 327                     downloaderBinder.cancel(account, mTargetFile);
 328                     listDirectory();
 329                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 330                 }
 331                 return true;
 332             }
 333             case R.id.action_cancel_upload: {
 334                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 335                 Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 336                 if (uploaderBinder != null && uploaderBinder.isUploading(account, mTargetFile)) {
 337                     uploaderBinder.cancel(account, mTargetFile);
 338                     listDirectory();
 339                     mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 340                 }
 341                 return true;
 342             }
 343             case R.id.action_see_details: {
 344                 ((FileFragment.ContainerActivity)getActivity()).showFragmentWithDetails(mTargetFile);
 345                 return true;
 346             }
 347             default:
 348                 return super.onContextItemSelected(item);
 349         }
 350     }
 351
 352
 353     /**
 354      * Call this, when the user presses the up button
 355      */
 356     public void onNavigateUp() {
 357         OCFile parentDir = null;
 358
 359         if(mFile != null){
 360             DataStorageManager storageManager = mContainerActivity.getStorageManager();
 361             parentDir = storageManager.getFileById(mFile.getParentId());
 362             mFile = parentDir;
 363         }
 364         listDirectory(parentDir);
 365     }
 366
 367     /**
 368      * Use this to query the {@link OCFile} that is currently
 369      * being displayed by this fragment
 370      * @return The currently viewed OCFile
 371      */
 372     public OCFile getCurrentFile(){
 373         return mFile;
 374     }
 375
 376     /**
 377      * Calls {@link OCFileListFragment#listDirectory(OCFile)} with a null parameter
 378      */
 379     public void listDirectory(){
 380         listDirectory(null);
 381     }
 382
 383     /**
 384      * Lists the given directory on the view. When the input parameter is null,
 385      * it will either refresh the last known directory, or list the root
 386      * if there never was a directory.
 387      *
 388      * @param directory File to be listed
 389      */
 390     public void listDirectory(OCFile directory) {
 391         DataStorageManager storageManager = mContainerActivity.getStorageManager();
 392         if (storageManager != null) {
 393
 394             // Check input parameters for null
 395             if(directory == null){
 396                 if(mFile != null){
 397                     directory = mFile;
 398                 } else {
 399                     directory = storageManager.getFileByPath("/");
 400                     if (directory == null) return; // no files, wait for sync
 401                 }
 402             }
 403
 404
 405             // If that's not a directory -> List its parent
 406             if(!directory.isDirectory()){
 407                 Log.w(TAG, "You see, that is not a directory -> " + directory.toString());
 408                 directory = storageManager.getFileById(directory.getParentId());
 409             }
 410
 411             mAdapter.swapDirectory(directory, storageManager);
 412             if (mFile == null || !mFile.equals(directory)) {
 413                 mList.setSelectionFromTop(0, 0);
 414             }
 415             mFile = directory;
 416         }
 417     }
 418
 419
 420
 421     /**
 422      * Interface to implement by any Activity that includes some instance of FileListFragment
 423      *
 424      * @author David A. Velasco
 425      */
 426     public interface ContainerActivity extends TransferServiceGetter, OnRemoteOperationListener {
 427
 428         /**
 429          * Callback method invoked when a directory is clicked by the user on the files list
 430          *
 431          * @param file
 432          */
 433         public void onDirectoryClick(OCFile file);
 434
 435         /**
 436          * Callback method invoked when a file (non directory) is clicked by the user on the files list
 437          *
 438          * @param file
 439          */
 440         public void onFileClick(OCFile file);
 441
 442         /**
 443          * Getter for the current DataStorageManager in the container activity
 444          */
 445         public DataStorageManager getStorageManager();
 446
 447
 448         /**
 449          * Callback method invoked when the parent activity is fully created to get the directory to list firstly.
 450          *
 451          * @return  Directory to list firstly. Can be NULL.
 452          */
 453         public OCFile getInitialDirectory();
 454
 455
 456         /**
 457          * Callback method invoked when a the 'transfer state' of a file changes.
 458          *
 459          * This happens when a download or upload is started or ended for a file.
 460          *
 461          * This method is necessary by now to update the user interface of the double-pane layout in tablets
 462          * because methods {@link FileDownloaderBinder#isDownloading(Account, OCFile)} and {@link FileUploaderBinder#isUploading(Account, OCFile)}
 463          * won't provide the needed response before the method where this is called finishes.
 464          *
 465          * TODO Remove this when the transfer state of a file is kept in the database (other thing TODO)
 466          *
 467          * @param file          OCFile which state changed.
 468          * @param downloading   Flag signaling if the file is now downloading.
 469          * @param uploading     Flag signaling if the file is now uploading.
 470          */
 471         public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading);
 472
 473     }
 474
 475
 476     @Override
 477     public void onDismiss(EditNameDialog dialog) {
 478         if (dialog.getResult()) {
 479             String newFilename = dialog.getNewFilename();
 480             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 481             RemoteOperation operation = new RenameFileOperation(mTargetFile,
 482                                                                 AccountUtils.getCurrentOwnCloudAccount(getActivity()),
 483                                                                 newFilename,
 484                                                                 mContainerActivity.getStorageManager());
 485             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 486             operation.execute(wc, mContainerActivity, mHandler);
 487             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 488         }
 489     }
 490
 491
 492     @Override
 493     public void onConfirmation(String callerTag) {
 494         if (callerTag.equals(FileDetailFragment.FTAG_CONFIRMATION)) {
 495             if (mContainerActivity.getStorageManager().getFileById(mTargetFile.getFileId()) != null) {
 496                 RemoteOperation operation = new RemoveFileOperation( mTargetFile,
 497                                                                     true,
 498                                                                     mContainerActivity.getStorageManager());
 499                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(AccountUtils.getCurrentOwnCloudAccount(getSherlockActivity()), getSherlockActivity().getApplicationContext());
 500                 operation.execute(wc, mContainerActivity, mHandler);
 501
 502                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 503             }
 504         }
 505     }
 506
 507     @Override
 508     public void onNeutral(String callerTag) {
 509         File f = null;
 510         if (mTargetFile.isDirectory()) {
 511             // TODO run in a secondary thread?
 512             mContainerActivity.getStorageManager().removeDirectory(mTargetFile, false, true);
 513
 514         } else if (mTargetFile.isDown() && (f = new File(mTargetFile.getStoragePath())).exists()) {
 515             f.delete();
 516             mTargetFile.setStoragePath(null);
 517             mContainerActivity.getStorageManager().saveFile(mTargetFile);
 518         }
 519         listDirectory();
 520         mContainerActivity.onTransferStateChanged(mTargetFile, false, false);
 521     }
 522
 523     @Override
 524     public void onCancel(String callerTag) {
 525         Log.d(TAG, "REMOVAL CANCELED");
 526     }
 527
 528
 529 }