Bug 204843 [Field Assist] - API - should deprecate FILTER_CUMULATIVE in ContentProposalAdapter
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
((IContentProposalListener2) listenerArray[i])
					.proposalPopupOpened(this);
		}
	}
	/*
	 * The proposal popup has closed. Notify interested listeners.
	 */
	private void notifyPopupClosed() {
		if (DEBUG) {
			System.out.println("Notify listeners - popup closed."); 
		}
		final Object[] listenerArray = proposalListeners2.getListeners();
		for (int i = 0; i < listenerArray.length; i++) {
			((IContentProposalListener2) listenerArray[i])
					.proposalPopupClosed(this);
		}
	}
	/**
	 * Returns whether the content proposal popup has the focus. This includes
	 * both the primary popup and any secondary info popup that may have focus.
	 * 
	 * @return <code>true</code> if the proposal popup or its secondary info
	 *         popup has the focus
	 * @since 3.4
	 */
	public boolean hasProposalPopupFocus() {
		return popup != null && popup.hasFocus();
	}
}