зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.5 KiB
C++
46 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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"
|
|
|
|
// Must be kept in sync with xpcom/rust/xpcom/src/interfaces/nonidl.rs
|
|
#define NS_ISCROLLOBSERVER_IID \
|
|
{ \
|
|
0xaa5026eb, 0x2f88, 0x4026, { \
|
|
0xa4, 0x6b, 0xf4, 0x59, 0x6b, 0x4e, 0xdf, 0x00 \
|
|
} \
|
|
}
|
|
|
|
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
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT virtual void AsyncPanZoomStarted(){};
|
|
|
|
/**
|
|
* Called when an async panning/zooming transform is no longer applied
|
|
* and passed the scroll offset
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT virtual void AsyncPanZoomStopped(){};
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIScrollObserver, NS_ISCROLLOBSERVER_IID)
|
|
|
|
#endif /* nsIScrollObserver_h___ */
|