/******************************************************************************* * Copyright (c) 2009, 2010 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: * Ericsson - initial API and implementation *******************************************************************************/ package org.eclipse.cdt.dsf.gdb.internal.ui.actions; import org.eclipse.cdt.debug.core.model.IReverseToggleHandler; import org.eclipse.cdt.dsf.datamodel.DMContexts; import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext; import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.IDMVMContext; import org.eclipse.core.expressions.PropertyTester; /** * Property tester for reverse debugging information available through the given * object. The object being tested is an {@link IDMVMContext}. * <p> * One property is supported: * <ul> * <li> "isReverseDebuggingEnabled" - Checks whether reverse debugging is currently * enabled given the receiver.</li> * </ul> * </p> */ public class ReverseDebuggingPropertyTester extends PropertyTester { private static final String ENABLED = "isReverseDebuggingEnabled"; //$NON-NLS-1$ public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { if (ENABLED.equals(property)) { if (receiver instanceof IDMVMContext) { return test((IDMVMContext)receiver); } } return false; } private boolean test(IDMVMContext context) { boolean result = false; ICommandControlDMContext controlDmc = DMContexts.getAncestorOfType(context.getDMContext(), ICommandControlDMContext.class); if (controlDmc != null) { IReverseToggleHandler toggle = (IReverseToggleHandler)(controlDmc.getAdapter(IReverseToggleHandler.class)); if (toggle != null) { result = toggle.isReverseToggled(controlDmc); } } return result; } }