vaadin-framework/src/com/itmill/toolkit/terminal/gwt/client/ContainerResizedListener.java

package com.itmill.toolkit.terminal.gwt.client;

/**
 * ContainerResizedListener interface is useful for Widgets that support
 * relative sizes and who need some additional sizing logic.
 */
public interface ContainerResizedListener {
	/**
	 * This function is run when container box has been resized. Object
	 * implementing ContainerResizedListener is responsible to call the same
	 * function on its ancestors that implement NeedsLayout in case their
	 * container has resized. runAnchestorsLayout(HasWidgets parent) function
	 * from Util class may be a good helper for this.
	 */
	public void iLayout();
}