pjs/widget/public/nsINativeScrollbar.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#include "nsISupports.idl"
/**
* The nsINativeScrollbar is implemented internally by Gecko as a way
* to communicate between a Gecko frame and a native scrollbar for
* purposes of shimming a native OS scrollbar into the GFX scrollframe
* mechanism.
*
*/
interface nsIPresContext;
interface nsIFrame;
interface nsIContent;
interface nsIScrollbarMediator;
[uuid(dd1cb116-1dd1-11b2-9e67-abac4e09d533)]
interface nsINativeScrollbar : nsISupports
{
void setContent ( in nsIContent content, in nsIScrollbarMediator mediator);
readonly attribute long narrowSize; // the width of a vertical scrollbar, height of horizontal
attribute unsigned long position; // current position of the scrollbar
attribute unsigned long maxRange; // max value of the scrollbar
attribute unsigned long lineIncrement; // number of pixels to scroll per "line" (one click of scroll arrow)
attribute unsigned long viewSize; // size of the visible area we're scrolling (in pixels)
};