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[298929] Guards against NPE at eclipse shutdown

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This commit is contained in:
Marc Khouzam 2010-01-12 21:09:11 +00:00
parent 024efc1e22
commit 7b781f5d9b
1 changed files with 13 additions and 7 deletions
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20
debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/commands/ReverseToggleCommandHandler.java
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@ -58,20 +58,26 @@ public class ReverseToggleCommandHandler extends DebugCommandHandler implements
public ReverseToggleCommandHandler() {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
fContextService = DebugUITools.getDebugContextManager().getContextService(window);
fContextService.addPostDebugContextListener(this);
if (window != null) {
fContextService = DebugUITools.getDebugContextManager().getContextService(window);
if (fContextService != null) {
fContextService.addPostDebugContextListener(this);
// This constructor might be called after the launch, so we must refresh here too.
// This can happen if we activate the action set after the launch.
refresh(fContextService.getActiveContext());
// This constructor might be called after the launch, so we must refresh here too.
// This can happen if we activate the action set after the launch.
refresh(fContextService.getActiveContext());
}
}
}
@Override
public void dispose() {
// Must use the stored service. If we try to fetch the service
// Must use the stored context service. If we try to fetch the service
// again with the workbenchWindow, it may fail if the window is
// already closed.
fContextService.removePostDebugContextListener(this);
if (fContextService != null) {
fContextService.removePostDebugContextListener(this);
}
fTargetAdapter = null;
super.dispose();
}