mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsIScrollObserver_h___
|
|
#define nsIScrollObserver_h___
|
|
|
|
#include "nsISupports.h"
|
|
#include "Units.h"
|
|
|
|
#define NS_ISCROLLOBSERVER_IID \
|
|
{ 0x00bc10e3, 0xaa59, 0x4aa3, \
|
|
{ 0x88, 0xe9, 0x43, 0x0a, 0x01, 0xa3, 0x88, 0x04 } }
|
|
|
|
class nsIScrollObserver : public nsISupports
|
|
{
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCROLLOBSERVER_IID)
|
|
|
|
/**
|
|
* Called when the scroll position of some element has changed.
|
|
*/
|
|
virtual void ScrollPositionChanged() = 0;
|
|
|
|
/**
|
|
* Called when an async panning/zooming transform has started being applied
|
|
* and passed the scroll offset
|
|
*/
|
|
virtual void AsyncPanZoomStarted(const mozilla::CSSIntPoint scrollPos){};
|
|
|
|
/**
|
|
* Called when an async panning/zooming transform is no longer applied
|
|
* and passed the scroll offset
|
|
*/
|
|
virtual void AsyncPanZoomStopped(const mozilla::CSSIntPoint scrollPos){};
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIScrollObserver, NS_ISCROLLOBSERVER_IID)
|
|
|
|
#endif /* nsIScrollObserver_h___ */
|