diff options
Diffstat (limited to 'dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/StandardProcessVMNode.java')
| -rw-r--r-- | dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/StandardProcessVMNode.java | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/StandardProcessVMNode.java b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/StandardProcessVMNode.java new file mode 100644 index 00000000000..5e0e7212e23 --- /dev/null +++ b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/ui/viewmodel/launch/StandardProcessVMNode.java @@ -0,0 +1,223 @@ +/******************************************************************************* + * Copyright (c) 2006, 2008 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.viewmodel.launch; + +import org.eclipse.cdt.dsf.concurrent.RequestMonitor; +import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMContext; +import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMNode; +import org.eclipse.cdt.dsf.ui.viewmodel.AbstractVMProvider; +import org.eclipse.cdt.dsf.ui.viewmodel.IVMContext; +import org.eclipse.cdt.dsf.ui.viewmodel.IVMNode; +import org.eclipse.cdt.dsf.ui.viewmodel.VMDelta; +import org.eclipse.debug.core.DebugEvent; +import org.eclipse.debug.core.DebugException; +import org.eclipse.debug.core.ILaunch; +import org.eclipse.debug.core.model.IProcess; +import org.eclipse.debug.core.model.IStreamsProxy; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenCountUpdate; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenUpdate; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IHasChildrenUpdate; +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.ILabelRequestMonitor; +import org.eclipse.jface.viewers.TreePath; + +/** + * Layout node for the standard platform debug model IProcess object. This + * node requires that an ILaunch object be found as an ancestor of this node. + * It does not implement the label provider functionality, so the default + * adapters should be used to retrieve the label. + */ +@SuppressWarnings("restriction") +public class StandardProcessVMNode extends AbstractVMNode { + + /** + * VMC element implementation, it is a proxy for the IProcess class, to + * allow the standard label adapter to be used with this object. + */ + private class VMC extends AbstractVMContext + implements IProcess + { + private final IProcess fProcess; + + VMC(IProcess process) { + super(StandardProcessVMNode.this); + fProcess = process; + } + + @Override + public IVMNode getVMNode() { return StandardProcessVMNode.this; } + @Override + @SuppressWarnings("unchecked") + public Object getAdapter(Class adapter) { + Object vmcAdapter = super.getAdapter(adapter); + if (vmcAdapter != null) { + return vmcAdapter; + } + return fProcess.getAdapter(adapter); + } + @Override + public String toString() { return "IProcess " + fProcess.toString(); } //$NON-NLS-1$ + + public String getAttribute(String key) { return fProcess.getAttribute(key); } + public int getExitValue() throws DebugException { return fProcess.getExitValue(); } + public String getLabel() { return fProcess.getLabel(); } + public ILaunch getLaunch() { return fProcess.getLaunch(); } + public IStreamsProxy getStreamsProxy() { return fProcess.getStreamsProxy(); } + public void setAttribute(String key, String value) { fProcess.setAttribute(key, value); } + public boolean canTerminate() { return fProcess.canTerminate(); } + public boolean isTerminated() { return fProcess.isTerminated(); } + public void terminate() throws DebugException { fProcess.terminate(); } + + @Override + public boolean equals(Object other) { + return other instanceof VMC && fProcess.equals(((VMC)other).fProcess); + } + @Override + public int hashCode() { return fProcess.hashCode(); } + } + + public StandardProcessVMNode(AbstractVMProvider provider) { + super(provider); + } + + @Override + public String toString() { + return "StandardProcessVMNode"; //$NON-NLS-1$ + } + + public void update(IChildrenUpdate[] updates) { + for (IChildrenUpdate update : updates) { + ILaunch launch = findLaunch(update.getElementPath()); + if (launch == null) { + // There is no launch in the parent of this node. This means that the + // layout is misconfigured. + assert false; + update.done(); + continue; + } + + /* + * Assume that the process objects are stored within the launch, and + * retrieve them on dispatch thread. + */ + IProcess[] processes = launch.getProcesses(); + for (int i = 0; i < processes.length; i++) { + update.setChild(new VMC(processes[i]), i); + } + update.done(); + } + } + + public void update(final IChildrenCountUpdate[] updates) { + for (IChildrenCountUpdate update : updates) { + if (!checkUpdate(update)) continue; + ILaunch launch = findLaunch(update.getElementPath()); + if (launch == null) { + assert false; + update.setChildCount(0); + update.done(); + return; + } + + update.setChildCount(launch.getProcesses().length); + update.done(); + } + } + + // @see org.eclipse.cdt.dsf.ui.viewmodel.IViewModelLayoutNode#hasElements(org.eclipse.cdt.dsf.ui.viewmodel.IVMContext, org.eclipse.cdt.dsf.concurrent.DataRequestMonitor) + public void update(IHasChildrenUpdate[] updates) { + for (IHasChildrenUpdate update : updates) { + ILaunch launch = findLaunch(update.getElementPath()); + if (launch == null) { + assert false; + update.setHasChilren(false); + update.done(); + return; + } + + update.setHasChilren(launch.getProcesses().length != 0); + update.done(); + } + } + + // @see org.eclipse.cdt.dsf.ui.viewmodel.IViewModelLayoutNode#retrieveLabel(org.eclipse.cdt.dsf.ui.viewmodel.IVMContext, org.eclipse.debug.internal.ui.viewers.provisional.ILabelRequestMonitor) + public void updateLabel(IVMContext vmc, ILabelRequestMonitor result, String[] columns) { + + /* + * The implementation of IAdapterFactory that uses this node should not + * register a label adapter for IProcess. This will cause the default + * label provider to be used instead, and this method should then never + * be called. + */ + assert false; + result.done(); + } + + /** + * Recursively searches the VMC for Launch VMC, and returns its ILaunch. + * Returns null if an ILaunch is not found. + */ + private ILaunch findLaunch(TreePath path) { + for (int i = path.getSegmentCount() - 1; i >= 0; i--) { + if (path.getSegment(i) instanceof ILaunch) { + return (ILaunch)path.getSegment(i); + } + } + return null; + } + + public int getDeltaFlags(Object e) { + int myFlags = 0; + if (e instanceof DebugEvent) { + DebugEvent de = (DebugEvent)e; + if ( de.getSource() instanceof IProcess && + (de.getKind() == DebugEvent.CHANGE || + de.getKind() == DebugEvent.CREATE || + de.getKind() == DebugEvent.TERMINATE) ) + { + myFlags = IModelDelta.STATE; + } + } + return myFlags; + } + + public void buildDelta(Object e, VMDelta parent, int nodeOffset, RequestMonitor requestMonitor) { + if (e instanceof DebugEvent && ((DebugEvent)e).getSource() instanceof IProcess) { + DebugEvent de = (DebugEvent)e; + if (de.getKind() == DebugEvent.CHANGE) { + handleChange(de, parent); + } else if (de.getKind() == DebugEvent.CREATE) { + handleCreate(de, parent); + } else if (de.getKind() == DebugEvent.TERMINATE) { + handleTerminate(de, parent); + } + /* + * No other node should need to process events related to process. + * Therefore, just invoke the request monitor without calling super.buildDelta(). + */ + } + requestMonitor.done(); + } + + protected void handleChange(DebugEvent event, ModelDelta parent) { + parent.addNode(new VMC((IProcess)event.getSource()), IModelDelta.STATE); + } + + protected void handleCreate(DebugEvent event, ModelDelta parent) { + parent.setFlags(parent.getFlags() | IModelDelta.CONTENT); + } + + protected void handleTerminate(DebugEvent event, ModelDelta parent) { + handleChange(event, parent); + } + +} |