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/*******************************************************************************
* Copyright (c) 2006, 2007 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.viewers.update;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.model.IStackFrame;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
/**
* Default stack frame event handler for the debug view.
*
* @since 3.3
*/
public class StackFrameEventHandler extends DebugEventHandler {
ThreadEventHandler fThreadHandler = null;
/**
* Constructs a new stack frame event handler
*/
public StackFrameEventHandler(AbstractModelProxy proxy, ThreadEventHandler threadHandler) {
super(proxy);
fThreadHandler = threadHandler;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handlesEvent(org.eclipse.debug.core.DebugEvent)
*/
@Override
protected boolean handlesEvent(DebugEvent event) {
return event.getSource() instanceof IStackFrame;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handleChange(org.eclipse.debug.core.DebugEvent)
*/
@Override
protected void handleChange(DebugEvent event) {
IStackFrame frame = (IStackFrame) event.getSource();
ModelDelta root = fThreadHandler.buildRootDelta();
ModelDelta delta = fThreadHandler.addPathToThread(root, frame.getThread());
delta = delta.addNode(frame.getThread(), IModelDelta.NO_CHANGE);
int flags = IModelDelta.NO_CHANGE;
if (event.getDetail() == DebugEvent.CONTENT) {
flags = flags | IModelDelta.CONTENT;
} else if (event.getDetail() == DebugEvent.STATE) {
flags = flags | IModelDelta.STATE;
}
delta = delta.addNode(frame, flags);
fireDelta(root);
}
}
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