/*******************************************************************************
* Copyright (c) 2012 Ericsson 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:
* Marc Dumais (Ericsson) - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service.breakpoint.actions;
import org.eclipse.cdt.debug.core.breakpointactions.IReverseDebugEnabler;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.DsfExecutor;
import org.eclipse.cdt.dsf.concurrent.DsfRunnable;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.datamodel.DMContexts;
import org.eclipse.cdt.dsf.datamodel.IDMContext;
import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext;
import org.eclipse.cdt.dsf.gdb.service.IReverseRunControl;
import org.eclipse.cdt.dsf.service.DsfServicesTracker;
/**
*
* This class permits to enable, disable or toggle the reverse
* debugging mode.
*
* @since 4.2
*/
public class MIReverseDebugEnabler implements IReverseDebugEnabler {
private final DsfExecutor fExecutor;
private final DsfServicesTracker fServiceTracker;
private final ICommandControlDMContext fContext;
private static enum REVERSE_DEBUG_MODE {ENABLE, DISABLE, TOGGLE};
/**
* @param executor
* @param serviceTracker
* @param context
*/
public MIReverseDebugEnabler(DsfExecutor executor, DsfServicesTracker serviceTracker, IDMContext context) {
fExecutor = executor;
fServiceTracker = serviceTracker;
fContext = DMContexts.getAncestorOfType(context, ICommandControlDMContext.class);
assert fContext != null;
}
@Override
public void enable() throws Exception {
setMode(REVERSE_DEBUG_MODE.ENABLE);
}
@Override
public void disable() throws Exception {
setMode(REVERSE_DEBUG_MODE.DISABLE);
}
@Override
public void toggle() throws Exception {
setMode(REVERSE_DEBUG_MODE.TOGGLE);
}
private void setMode(final REVERSE_DEBUG_MODE mode) throws Exception {
fExecutor.execute(new DsfRunnable() {
@Override
public void run() {
final IReverseRunControl runControl = fServiceTracker.getService(IReverseRunControl.class);
if (runControl != null) {
runControl.isReverseModeEnabled(fContext, new DataRequestMonitor<Boolean>(fExecutor, null) {
@Override
public void handleSuccess() {
Boolean enabled = getData();
if ( (enabled.equals(false) && mode.equals(REVERSE_DEBUG_MODE.ENABLE) ) ||
(enabled.equals(true) && mode.equals(REVERSE_DEBUG_MODE.DISABLE) ) ||
(mode.equals(REVERSE_DEBUG_MODE.TOGGLE)) )
{
runControl.enableReverseMode(fContext, !enabled, new RequestMonitor(fExecutor, null));
}
}
});
}
}
});
}
}