/*******************************************************************************
* Copyright (c) 2006, 2015 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
* Marc Khouzam (Ericsson) - Added support for multiple selection (bug 330974)
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.ui.actions;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.cdt.dsf.concurrent.DsfRunnable;
import org.eclipse.cdt.dsf.concurrent.Immutable;
import org.eclipse.cdt.dsf.datamodel.DMContexts;
import org.eclipse.cdt.dsf.debug.service.IProcesses;
import org.eclipse.cdt.dsf.debug.service.IRunControl;
import org.eclipse.cdt.dsf.debug.service.IRunControl.IExecutionDMContext;
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.ui.viewmodel.datamodel.IDMVMContext;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.commands.IDebugCommandRequest;
/**
* @since 1.0
*/
@Immutable
public abstract class DsfCommandRunnable extends DsfRunnable {
private final IExecutionDMContext[] fContexts;
private final DsfServicesTracker fTracker;
private final IDebugCommandRequest fRequest;
// For backwards compatibility, keep this method that returns the first selection. This method
// is meaningful when we only support a single selection.
public IExecutionDMContext getContext() { return (fContexts != null && fContexts.length > 0) ? fContexts[0] : null; }
/**
* Return all selected contexts.
* @since 2.3
*/
public IExecutionDMContext[] getContexts() { return fContexts; }
public IRunControl getRunControl() {
return fTracker.getService(IRunControl.class);
}
/**
* @since 1.1
*/
public SteppingController getSteppingController() {
if (fContexts != null && fContexts.length > 0) {
return fContexts[0].getAdapter(SteppingController.class);
}
return null;
}
/**
* @since 1.1
*/
public IProcesses getProcessService() {
return fTracker.getService(IProcesses.class);
}
public DsfCommandRunnable(DsfServicesTracker servicesTracker, Object element, IDebugCommandRequest request) {
this(servicesTracker, new Object[] { element }, request);
}
/** @since 2.3 */
public DsfCommandRunnable(DsfServicesTracker servicesTracker, Object[] elements, IDebugCommandRequest request) {
fTracker = servicesTracker;
fRequest = request;
// Extract all selected execution contexts, using a set to avoid duplicates. Duplicates will
// happen if multiple stack frames of the same thread are selected.
Set<IExecutionDMContext> execDmcSet = new HashSet<IExecutionDMContext>(request.getElements().length);
for (Object element : request.getElements()) {
if (element instanceof IDMVMContext) {
IDMVMContext vmc = (IDMVMContext)element;
IExecutionDMContext execDmc = DMContexts.getAncestorOfType(vmc.getDMContext(), IExecutionDMContext.class);
if (execDmc != null) {
// We have a thread or a process
execDmcSet.add(execDmc);
}
}
}
if (execDmcSet.size() == 0) {
fContexts = null;
} else {
fContexts = execDmcSet.toArray(new IExecutionDMContext[execDmcSet.size()]);
}
}
@Override
public final void run() {
if (fRequest.isCanceled()) {
fRequest.done();
return;
}
if (getContexts() == null || getContexts().length == 0) {
fRequest.setStatus(makeError("Selected objects do not support run control.", null)); //$NON-NLS-1$
} else if (getRunControl() == null || getSteppingController() == null) {
fRequest.setStatus(makeError("Run Control not available", null)); //$NON-NLS-1$
} else {
doExecute();
}
fRequest.done();
}
/**
* Method to perform the actual work.
*/
protected abstract void doExecute();
protected IStatus makeError(String message, Throwable e) {
return new Status(IStatus.ERROR, DsfUIPlugin.PLUGIN_ID, -1, message, e);
}
}