/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.api.event.ng;
import com.google.inject.Provider;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.ide.api.editor.EditorAgent;
import org.eclipse.che.ide.api.editor.EditorPartPresenter;
import org.eclipse.che.ide.api.event.FileEvent;
import org.eclipse.che.ide.resource.Path;
import org.eclipse.che.ide.util.loging.Log;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.util.List;
import java.util.Objects;
/**
* File open/close event listener aimed to wrap {@link FileEvent} into {@link FileTrackingEvent}
* which is consumed by {@link ClientServerEventService} and sent to server side for further
* processing.
*
* @author Dmitry Kuleshov
*/
@Singleton
public class FileOpenCloseEventListener {
@Inject
public FileOpenCloseEventListener(final Provider<EditorAgent> editorAgentProvider,
final EventBus eventBus,
final ClientServerEventService clientServerEventService) {
Log.debug(getClass(), "Adding file event listener");
eventBus.addHandler(FileEvent.TYPE, new FileEvent.FileEventHandler() {
@Override
public void onFileOperation(FileEvent event) {
final Path path = event.getFile().getLocation();
final EditorAgent editorAgent = editorAgentProvider.get();
switch (event.getOperationType()) {
case OPEN: {
processFileOpen(path);
break;
}
case CLOSE: {
final EditorPartPresenter closingEditor = event.getEditorTab().getRelativeEditorPart();
final List<EditorPartPresenter> openedEditors = editorAgent.getOpenedEditors();
processFileClose(closingEditor, openedEditors, path);
break;
}
}
}
private void processFileOpen(Path path) {
clientServerEventService.sendFileTrackingStartEvent(path.toString());
}
private void processFileClose(EditorPartPresenter closingEditor, List<EditorPartPresenter> openedEditors, Path path) {
for (final EditorPartPresenter editor : openedEditors) {
final Path editorFilePath = editor.getEditorInput().getFile().getLocation();
if (Objects.equals(path, editorFilePath) && closingEditor != editor) {
return;
}
}
clientServerEventService.sendFileTrackingStopEvent(path.toString());
}
});
}
}