1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/docshell/base/nsIScrollObserver.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,28 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.7 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsIScrollObserver_h___
1.10 +#define nsIScrollObserver_h___
1.11 +
1.12 +#include "nsISupports.h"
1.13 +
1.14 +#define NS_ISCROLLOBSERVER_IID \
1.15 + { 0x7c1a8b63, 0xe322, 0x4827, \
1.16 + { 0xa4, 0xb1, 0x3b, 0x6e, 0x59, 0x03, 0x47, 0x7e } }
1.17 +
1.18 +class nsIScrollObserver : public nsISupports
1.19 +{
1.20 +public:
1.21 + NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCROLLOBSERVER_IID)
1.22 +
1.23 + /**
1.24 + * Called when the scroll position of some element has changed.
1.25 + */
1.26 + virtual void ScrollPositionChanged() = 0;
1.27 +};
1.28 +
1.29 +NS_DEFINE_STATIC_IID_ACCESSOR(nsIScrollObserver, NS_ISCROLLOBSERVER_IID)
1.30 +
1.31 +#endif /* nsIScrollObserver_h___ */
