/*******************************************************************************
* Copyright (c) 2013 Red Hat, Inc.
* 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:
* Red Hat initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.valgrind.launch;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.linuxtools.internal.valgrind.ui.ValgrindUIPlugin;
import org.eclipse.swt.widgets.Display;
/**
* Implementation of {@link IResourceChangeListener} that listens for project
* specific post-build events
*/
public class ProjectBuildListener implements IResourceChangeListener {
// project to keep track of
private IProject project;
public ProjectBuildListener(IProject targetProject) {
project = targetProject;
}
@Override
public void resourceChanged(IResourceChangeEvent event) {
if (project != null && isPostBuildEvent(event)) {
// find the project from event delta and delete its markers
IResourceDelta delta = event.getDelta();
IResourceDelta[] childrenDelta = delta.getAffectedChildren(IResourceDelta.CHANGED);
for (IResourceDelta childDelta : childrenDelta) {
if (isProjectDelta(childDelta, project)) {
// clear markers and de-register this listener
clearProjectMarkers(project);
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
}
}
}
}
/**
* Check if {@link IResourceDelta} represents a change in the specified {@link IProject}..
*
* @param delta IResourceDelta resource delta to check
* @param project IProject project to compare against
* @return boolean true if IResourceDelta is a project and equals the
*/
private boolean isProjectDelta(IResourceDelta delta, IProject project){
if(delta != null){
IResource resource = delta.getResource();
return delta.getKind() == IResourceDelta.CHANGED
&& resource != null
&& resource.getType() == IResource.PROJECT
&& resource.equals(project);
}
return false;
}
/**
* Check if {@link IResourceChangeEvent} is a post-build event.
*
* @param event IResourceChangeEvent event to check
* @return boolean true if IResourceChangeEvent is a post-build event, false
* otherwise
*/
private boolean isPostBuildEvent(IResourceChangeEvent event) {
if(event != null){
int buildKind = event.getBuildKind();
return event.getType() == IResourceChangeEvent.POST_BUILD
&& (buildKind == IncrementalProjectBuilder.FULL_BUILD
|| buildKind == IncrementalProjectBuilder.INCREMENTAL_BUILD
|| buildKind == IncrementalProjectBuilder.CLEAN_BUILD);
}
return false;
}
/**
* Clear markers of specified project.
*
* @param project IProject project to clear markers from
*/
private void clearProjectMarkers(IProject project) {
try {
// remove project markers
project.deleteMarkers(ValgrindLaunchPlugin.MARKER_TYPE, true,IResource.DEPTH_INFINITE);
// clear valgrind error view
Display.getDefault().syncExec(() -> ValgrindUIPlugin.getDefault().resetView());
} catch (CoreException e) {
Status status = new Status(IStatus.ERROR, ValgrindLaunchPlugin.PLUGIN_ID, e.getMessage());
ValgrindLaunchPlugin.getDefault().getLog().log(status);
}
}
}