Target Explorer: Added property tester to test if a debugger has been launched already for a given context

6 files changed, 213 insertions, 31 deletions

diff --git a/target_explorer/plugins/org.eclipse.tcf.te.launch.core/META-INF/MANIFEST.MF b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/META-INF/MANIFEST.MF
index aa98599a8..07f12c8c7 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.launch.core/META-INF/MANIFEST.MF
+++ b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/META-INF/MANIFEST.MF
@@ -38,6 +38,7 @@ Export-Package: org.eclipse.tcf.te.launch.core.activator;x-internal:=true,
  org.eclipse.tcf.te.launch.core.persistence.launchcontext,
  org.eclipse.tcf.te.launch.core.persistence.projects,
  org.eclipse.tcf.te.launch.core.preferences,
+ org.eclipse.tcf.te.launch.core.properties,
  org.eclipse.tcf.te.launch.core.selection,
  org.eclipse.tcf.te.launch.core.selection.interfaces,
  org.eclipse.tcf.te.launch.core.steps,
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.launch.core/plugin.xml b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/plugin.xml
index 756dde536..97452e1eb 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.launch.core/plugin.xml
+++ b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/plugin.xml
@@ -39,6 +39,13 @@
             properties="isValidLaunchConfigType"
             type="java.lang.Object">
       </propertyTester>
+      <propertyTester
+            class="org.eclipse.tcf.te.launch.core.properties.PropertyTester"
+            id="org.eclipse.tcf.te.launch.core.properties.PropertyTester"
+            namespace="org.eclipse.tcf.te.launch.core"
+            properties="isLaunched"
+            type="java.lang.Object">
+      </propertyTester>
    </extension>
 
 <!-- Launch Step contributions -->
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.launch.core/src/org/eclipse/tcf/te/launch/core/properties/PropertyTester.java b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/src/org/eclipse/tcf/te/launch/core/properties/PropertyTester.java
new file mode 100644
index 000000000..28e7ca609
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.launch.core/src/org/eclipse/tcf/te/launch/core/properties/PropertyTester.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Wind River Systems, Inc. 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.tcf.te.launch.core.properties;
+
+import org.eclipse.tcf.te.runtime.services.ServiceManager;
+import org.eclipse.tcf.te.runtime.services.interfaces.IDebugService;
+
+
+/**
+ * Launch framework property tester implementation.
+ */
+public class PropertyTester extends org.eclipse.core.expressions.PropertyTester {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
+	 */
+	@Override
+	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+
+		// "isLaunched": Checks if the debugger has been attached for the given context
+		if ("isLaunched".equals(property) && expectedValue instanceof Boolean) { //$NON-NLS-1$
+			IDebugService dbgService = ServiceManager.getInstance().getService(receiver, IDebugService.class, false);
+			if (dbgService != null) {
+				return ((Boolean)expectedValue).booleanValue() == dbgService.isLaunched(receiver);
+			}
+		}
+
+	    return false;
+	}
+}
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.runtime.services/src/org/eclipse/tcf/te/runtime/services/interfaces/IDebugService.java b/target_explorer/plugins/org.eclipse.tcf.te.runtime.services/src/org/eclipse/tcf/te/runtime/services/interfaces/IDebugService.java
index b5fc8e4d7..7a1aa975b 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.runtime.services/src/org/eclipse/tcf/te/runtime/services/interfaces/IDebugService.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.runtime.services/src/org/eclipse/tcf/te/runtime/services/interfaces/IDebugService.java
@@ -1,31 +1,39 @@
-/*******************************************************************************

- * Copyright (c) 2011 Wind River Systems, Inc. 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.tcf.te.runtime.services.interfaces;

-

-import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;

-import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;

-

-/**

- * Debug service.

- * <p>

- * Allow to start and control the debugger for a set of given debug contexts.

- */

-public interface IDebugService extends IService {

-

-	/**

-	 * Launches a debug session for the given context and attaches to it. The attach

-	 * can be parameterized via the data properties.

-	 *

-	 * @param context The debug context. Must not be <code>null</code>.

-	 * @param data The data properties to parameterize the attach. Must not be <code>null</code>.

-	 * @param callback The callback to invoke once the operation completed. Must not be <code>null</code>.

-	 */

-	public void attach(Object context, IPropertiesContainer data, ICallback callback);

-}

+/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, Inc. 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.tcf.te.runtime.services.interfaces;
+
+import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
+import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
+
+/**
+ * Debug service.
+ * <p>
+ * Allow to start and control the debugger for a set of given debug contexts.
+ */
+public interface IDebugService extends IService {
+
+	/**
+	 * Launches a debug session for the given context and attaches to it. The attach
+	 * can be parameterized via the data properties.
+	 *
+	 * @param context The debug context. Must not be <code>null</code>.
+	 * @param data The data properties to parameterize the attach. Must not be <code>null</code>.
+	 * @param callback The callback to invoke once the operation completed. Must not be <code>null</code>.
+	 */
+	public void attach(Object context, IPropertiesContainer data, ICallback callback);
+
+	/**
+	 * Returns if or if not the debugger has been launched for the given context.
+	 *
+	 * @param context The debug context. Must not be <code>null</code>.
+	 * @return <code>True</code> if the debugger has been launched for the context, <code>false</code> otherwise.
+	 */
+	public boolean isLaunched(Object context);
+}
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugService.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugService.java
index faae61e9c..3a34d5811 100644
--- a/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugService.java
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugService.java
@@ -10,12 +10,15 @@
 package org.eclipse.tcf.te.tcf.launch.ui.internal.services;
 
 import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.ILaunch;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationType;
 import org.eclipse.debug.core.ILaunchManager;
+import org.eclipse.debug.core.ILaunchesListener;
 import org.eclipse.debug.ui.DebugUITools;
 import org.eclipse.tcf.protocol.Protocol;
 import org.eclipse.tcf.te.launch.core.lm.LaunchManager;
@@ -38,6 +41,19 @@ import org.eclipse.tcf.te.tcf.launch.core.interfaces.ILaunchTypes;
  * Debug service implementations for TCF contexts.
  */
 public class DebugService extends AbstractService implements IDebugService {
+	// Reference to the launches listener
+	private final ILaunchesListener listener;
+
+	/**
+     * Constructor
+     */
+    public DebugService() {
+    	super();
+
+    	// Create and register the launches listener instance
+    	listener = new DebugServicesLaunchesListener();
+		DebugPlugin.getDefault().getLaunchManager().addLaunchListener(listener);
+    }
 
 	/* (non-Javadoc)
 	 * @see org.eclipse.tcf.te.runtime.services.interfaces.IDebugService#attach(java.lang.Object, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
@@ -114,4 +130,35 @@ public class DebugService extends AbstractService implements IDebugService {
 			callback.done(this, Status.OK_STATUS);
 		}
 	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.tcf.te.runtime.services.interfaces.IDebugService#isLaunched(java.lang.Object)
+	 */
+	@Override
+	public boolean isLaunched(Object context) {
+		Assert.isNotNull(context);
+
+		boolean isLaunched = false;
+
+		if (context instanceof IModelNode) {
+			ILaunch[] launches = DebugPlugin.getDefault().getLaunchManager().getLaunches();
+			for (ILaunch launch : launches) {
+				try {
+					if (launch.getLaunchConfiguration().getType().getIdentifier().equals(ILaunchTypes.ATTACH) && !launch.isTerminated()) {
+						IModelNode[] contexts = LaunchContextsPersistenceDelegate.getLaunchContexts(launch.getLaunchConfiguration());
+						if (contexts != null && contexts.length == 1 && contexts[0].equals(context)) {
+							isLaunched = true;
+							break;
+						}
+					}
+				} catch (CoreException e) {
+					if (Platform.inDebugMode()) e.printStackTrace();
+				}
+			}
+		}
+
+		System.out.println("DebugService.isLaunched: " + isLaunched); //$NON-NLS-1$
+
+	    return isLaunched;
+	}
 }
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugServicesLaunchesListener.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugServicesLaunchesListener.java
new file mode 100644
index 000000000..c82b15a51
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.launch.ui/src/org/eclipse/tcf/te/tcf/launch/ui/internal/services/DebugServicesLaunchesListener.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Wind River Systems, Inc. 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.tcf.te.tcf.launch.ui.internal.services;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.debug.core.ILaunch;
+import org.eclipse.debug.core.ILaunchesListener2;
+import org.eclipse.tcf.te.launch.core.persistence.launchcontext.LaunchContextsPersistenceDelegate;
+import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
+import org.eclipse.tcf.te.tcf.launch.core.interfaces.ILaunchTypes;
+
+/**
+ * Debug service launches listener implementation
+ */
+public class DebugServicesLaunchesListener implements ILaunchesListener2 {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchesListener#launchesRemoved(org.eclipse.debug.core.ILaunch[])
+	 */
+	@Override
+	public void launchesRemoved(ILaunch[] launches) {
+		firePropertyChange(launches);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchesListener#launchesAdded(org.eclipse.debug.core.ILaunch[])
+	 */
+	@Override
+	public void launchesAdded(ILaunch[] launches) {
+		firePropertyChange(launches);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchesListener#launchesChanged(org.eclipse.debug.core.ILaunch[])
+	 */
+	@Override
+	public void launchesChanged(ILaunch[] launches) {
+//		firePropertyChange(launches);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchesListener2#launchesTerminated(org.eclipse.debug.core.ILaunch[])
+	 */
+	@Override
+	public void launchesTerminated(ILaunch[] launches) {
+		firePropertyChange(launches);
+	}
+
+	/**
+	 * Fires a property change event for the watched context if one of the given
+	 * launches matches.
+	 *
+	 * @param launches The launches. Must not be <code>null</code>.
+	 * @param unregister <code>True</code> to unregister the listener if a matching launch is found, <code>false</code> otherwise.
+	 */
+	protected void firePropertyChange(ILaunch[] launches) {
+		Assert.isNotNull(launches);
+
+		for (ILaunch launch : launches) {
+			try {
+				if (launch.getLaunchConfiguration().getType().getIdentifier().equals(ILaunchTypes.ATTACH)) {
+					IModelNode[] contexts = LaunchContextsPersistenceDelegate.getLaunchContexts(launch.getLaunchConfiguration());
+					if (contexts != null && contexts.length == 1 && contexts[0] != null) {
+						contexts[0].fireChangeEvent("dbgLaunchedState", null, null); //$NON-NLS-1$
+					}
+				}
+			} catch (CoreException e) {
+				if (Platform.inDebugMode()) e.printStackTrace();
+			}
+		}
+	}
+
+}