1 files changed, 48 insertions, 0 deletions
diff --git a/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/ChildrenHistogramCanvas.java b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/ChildrenHistogramCanvas.java
new file mode 100644
index 0000000000..87464d0c65
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/ChildrenHistogramCanvas.java
@@ -0,0 +1,48 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Ericsson
+ * 
+ * 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:
+ *   William Bourque - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.linuxtools.lttng.ui.views.histogram;
+
+import org.eclipse.swt.widgets.Composite;
+
+/**
+ * <b><u>ChildrenHistogramCanvas</u></b>
+ * <p>
+ * Extended implementation of the HistogramCanvas.
+ * <p>
+ * This canvas goal is to display the "SelectionWindow" in details. 
+ */
+public class ChildrenHistogramCanvas extends HistogramCanvas {
+	
+	protected HistogramView parentHistogramWindow = null; 
+	
+	/**
+	 * ChildrenHistogramCanvas constructor.<p>
+	 * Same as HistogramCanvas, but receive a parent HistogramView that we can call from here.
+	 * 
+	 * @param parent 		Composite control which will be the parent of the new instance (cannot be null)
+	 * @param 				Style the style of control to construct
+	 */
+	public ChildrenHistogramCanvas(HistogramView newParentWindow, Composite parent, int style) {
+		super(parent, style);
+		
+		parentHistogramWindow = newParentWindow;
+	}
+	
+	/**
+	 * Notify the parent HistogramView that we have updated information.<p>
+	 * This is intended to be called at the end of the request when we know we have up-to-date information.
+	 */
+	@Override
+	public void notifyParentUpdatedInformation() {
+		parentHistogramWindow.updateSelectedWindowInformation();
+	}
+}