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Bug 276688 Deadlock in MakeContentProvider

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- Display#syncExec(...) while the workspace lock is held => changed to #asyncExec(...)
 - Generics
This commit is contained in:
James Blackburn 2009-05-18 19:24:24 +00:00
parent b25aa7413b
commit ee9b1aa905
1 changed files with 35 additions and 29 deletions
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42
build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/ui/MakeContentProvider.java
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@ -27,11 +27,13 @@ import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
public class MakeContentProvider implements ITreeContentProvider, IMakeTargetListener, IResourceChangeListener {
protected boolean bFlatten;
@ -57,7 +59,7 @@ public class MakeContentProvider implements ITreeContentProvider, IMakeTargetLis
// ignore
}
} else if (obj instanceof IContainer) {
ArrayList children = new ArrayList();
ArrayList<IAdaptable> children = new ArrayList<IAdaptable>();
try {
IResource[] resource = ((IContainer)obj).members();
for (int i = 0; i < resource.length; i++) {
@ -89,7 +91,7 @@ public class MakeContentProvider implements ITreeContentProvider, IMakeTargetLis
public Object[] getElements(Object obj) {
if (bFlatten) {
List list = new ArrayList();
List<Object> list = new ArrayList<Object>();
Object[] children = getChildren(obj);
for (int i = 0; i < children.length; i++) {
list.add(children[i]);
@ -139,7 +141,7 @@ public class MakeContentProvider implements ITreeContentProvider, IMakeTargetLis
switch (event.getType()) {
case MakeTargetEvent.PROJECT_ADDED :
case MakeTargetEvent.PROJECT_REMOVED :
ctrl.getDisplay().syncExec(new Runnable() {
ctrl.getDisplay().asyncExec(new Runnable() {
public void run() {
if (ctrl != null && !ctrl.isDisposed()) {
@ -151,7 +153,7 @@ public class MakeContentProvider implements ITreeContentProvider, IMakeTargetLis
case MakeTargetEvent.TARGET_ADD :
case MakeTargetEvent.TARGET_CHANGED :
case MakeTargetEvent.TARGET_REMOVED :
ctrl.getDisplay().syncExec(new Runnable() {
ctrl.getDisplay().asyncExec(new Runnable() {
public void run() {
if (ctrl != null && !ctrl.isDisposed()) {
@ -199,57 +201,61 @@ public class MakeContentProvider implements ITreeContentProvider, IMakeTargetLis
}
// Get the affected resource
IResource resource = delta.getResource();
final IResource resource = delta.getResource();
// Handle removed children. Issue one update for all removals.
affectedChildren = delta.getAffectedChildren(IResourceDelta.REMOVED);
if (affectedChildren.length > 0) {
ArrayList affected = new ArrayList(affectedChildren.length);
final ArrayList<IResource> affected = new ArrayList<IResource>(affectedChildren.length);
for (int i = 0; i < affectedChildren.length; i++) {
if (affectedChildren[i].getResource().getType() == IResource.FOLDER) {
affected.add(affectedChildren[i].getResource());
}
}
if (affected.size() != 0) {
if (!affected.isEmpty()) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (viewer == null || viewer.getControl() == null || viewer.getControl().isDisposed())
return;
if (viewer instanceof AbstractTreeViewer) {
((AbstractTreeViewer) viewer).remove(affected.toArray());
} else {
viewer.refresh(resource);
}
}
});
}
}
// Handle added children. Issue one update for all insertions.
affectedChildren = delta.getAffectedChildren(IResourceDelta.ADDED);
if (affectedChildren.length > 0) {
ArrayList affected = new ArrayList(affectedChildren.length);
final ArrayList<IResource> affected = new ArrayList<IResource>(affectedChildren.length);
for (int i = 0; i < affectedChildren.length; i++) {
if (affectedChildren[i].getResource().getType() == IResource.FOLDER) {
affected.add(affectedChildren[i].getResource());
}
}
if (affected.size() != 0) {
if (!affected.isEmpty()) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (viewer == null || viewer.getControl() == null || viewer.getControl().isDisposed())
return;
if (viewer instanceof AbstractTreeViewer) {
((AbstractTreeViewer) viewer).add(resource, affected.toArray());
} else {
viewer.refresh(resource);
}
}
});
}
}
}
public void resourceChanged(IResourceChangeEvent event) {
final IResourceDelta delta = event.getDelta();
Control ctrl = viewer.getControl();
if (ctrl != null && !ctrl.isDisposed()) {
// Do a sync exec, not an async exec, since the resource delta
// must be traversed in this method. It is destroyed
// when this method returns.
ctrl.getDisplay().syncExec(new Runnable() {
public void run() {
if (ctrl != null && !ctrl.isDisposed())
processDelta(delta);
}
});
}
}
}