/*******************************************************************************
* Copyright (c) 2006, 2009 Wind River Systems and others.
* 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.ui.actions;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.DsfExecutor;
import org.eclipse.cdt.dsf.concurrent.ImmediateExecutor;
import org.eclipse.cdt.dsf.concurrent.Immutable;
import org.eclipse.cdt.dsf.debug.service.IRunControl.StepType;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.SteppingController;
import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin;
import org.eclipse.cdt.dsf.service.DsfServicesTracker;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.debug.core.commands.IDebugCommandRequest;
import org.eclipse.debug.core.commands.IEnabledStateRequest;
import org.eclipse.debug.core.commands.IStepReturnHandler;
/**
*
* @since 1.0
*/
@Immutable
public class DsfStepReturnCommand implements IStepReturnHandler {
private final DsfExecutor fExecutor;
private final DsfServicesTracker fTracker;
public DsfStepReturnCommand(DsfSession session) {
fExecutor = session.getExecutor();
fTracker = new DsfServicesTracker(DsfUIPlugin.getBundleContext(), session.getId());
}
public void dispose() {
fTracker.dispose();
}
public void canExecute(final IEnabledStateRequest request) {
if (request.getElements().length != 1) {
request.setEnabled(false);
request.done();
return;
}
fExecutor.submit(new DsfCommandRunnable(fTracker, request.getElements()[0], request) {
@Override public void doExecute() {
SteppingController steppingControl = getSteppingController();
if (steppingControl == null) {
request.setEnabled(false);
request.done();
return;
}
steppingControl.canEnqueueStep(
getContext(), StepType.STEP_RETURN,
new DataRequestMonitor<Boolean>(ImmediateExecutor.getInstance(), null) {
@Override
protected void handleCompleted() {
request.setEnabled(isSuccess() && getData());
request.done();
}
});
}
});
}
public boolean execute(final IDebugCommandRequest request) {
if (request.getElements().length != 1) {
request.done();
return false;
}
fExecutor.submit(new DsfCommandRunnable(fTracker, request.getElements()[0], request) {
@Override public void doExecute() {
getSteppingController().enqueueStep(getContext(), StepType.STEP_RETURN);
}
});
return true;
}
}