@Override
protected void showInformationControl(Rectangle subjectArea) {
    if (fControl instanceof IWidgetTokenOwnerExtension && fControl instanceof IWidgetTokenOwner) {
        IWidgetTokenOwnerExtension extension = (IWidgetTokenOwnerExtension) fControl;
        if (extension.requestWidgetToken(this, WIDGET_PRIORITY)) {
            super.showInformationControl(subjectArea);
        }
    } else if (fControl instanceof IWidgetTokenOwner) {
        IWidgetTokenOwner owner = (IWidgetTokenOwner) fControl;
        if (owner.requestWidgetToken(this)) {
            super.showInformationControl(subjectArea);
        }

    } else {
        super.showInformationControl(subjectArea);
    }
}
 

protected void updateVisibility() {
	if (popup != null && !popup.isDisposed() && delayJobFinished) {
		boolean visible = false;
		if (renameLinkedMode.isCaretInLinkedPosition()) {
			StyledText textWidget = editor.getInternalSourceViewer().getTextWidget();
			Rectangle eArea = Geometry.toDisplay(textWidget, textWidget.getClientArea());
			Rectangle pBounds = popup.getBounds();
			pBounds.x -= GAP;
			pBounds.y -= GAP;
			pBounds.width += 2 * GAP;
			pBounds.height += 2 * GAP;
			if (eArea.intersects(pBounds)) {
				visible = true;
			}
		}
		if (visible && !popup.isVisible()) {
			ISourceViewer viewer = editor.getInternalSourceViewer();
			if (viewer instanceof IWidgetTokenOwnerExtension) {
				IWidgetTokenOwnerExtension widgetTokenOwnerExtension = (IWidgetTokenOwnerExtension) viewer;
				widgetTokenOwnerExtension.requestWidgetToken(this, WIDGET_PRIORITY);
			}
		} else if (!visible && popup.isVisible()) {
			releaseWidgetToken();
		}
		popup.setVisible(visible);
	}
}
 

private void updateVisibility() {
	if (fPopup != null && !fPopup.isDisposed() && fDelayJobFinished) {
		boolean visible= false;
		//TODO: Check for visibility of linked position, not whether popup is outside of editor?
		if (fRenameLinkedMode.isCaretInLinkedPosition()) {
			StyledText textWidget= fEditor.getViewer().getTextWidget();
			Rectangle eArea= Geometry.toDisplay(textWidget, textWidget.getClientArea());
			Rectangle pBounds= fPopup.getBounds();
			pBounds.x-= GAP;
			pBounds.y-= GAP;
			pBounds.width+= 2 * GAP;
			pBounds.height+= 2 * GAP;
			if (eArea.intersects(pBounds)) {
				visible= true;
			}
		}
		if (visible && ! fPopup.isVisible()) {
			ISourceViewer viewer= fEditor.getViewer();
			if (viewer instanceof IWidgetTokenOwnerExtension) {
				IWidgetTokenOwnerExtension widgetTokenOwnerExtension= (IWidgetTokenOwnerExtension) viewer;
				visible= widgetTokenOwnerExtension.requestWidgetToken(this, WIDGET_PRIORITY);
			}
		} else if (! visible && fPopup.isVisible()) {
			releaseWidgetToken();
		}
		fPopup.setVisible(visible);
	}
}
 

private void updateVisibility() {
	if (fPopup != null && !fPopup.isDisposed() && fDelayJobFinished) {
		boolean visible= false;
		//TODO: Check for visibility of linked position, not whether popup is outside of editor?
		if (fRenameLinkedMode.isCaretInLinkedPosition()) {
			StyledText textWidget= fEditor.getViewer().getTextWidget();
			Rectangle eArea= Geometry.toDisplay(textWidget, textWidget.getClientArea());
			Rectangle pBounds= fPopup.getBounds();
			pBounds.x-= GAP;
			pBounds.y-= GAP;
			pBounds.width+= 2 * GAP;
			pBounds.height+= 2 * GAP;
			if (eArea.intersects(pBounds)) {
				visible= true;
			}
		}
		if (visible && ! fPopup.isVisible()) {
			ISourceViewer viewer= fEditor.getViewer();
			if (viewer instanceof IWidgetTokenOwnerExtension) {
				IWidgetTokenOwnerExtension widgetTokenOwnerExtension= (IWidgetTokenOwnerExtension) viewer;
				visible= widgetTokenOwnerExtension.requestWidgetToken(this, WIDGET_PRIORITY);
			}
		} else if (! visible && fPopup.isVisible()) {
			releaseWidgetToken();
		}
		fPopup.setVisible(visible);
	}
}