docshell/base/nsIScrollObserver.h

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:6480d4f50e46
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #ifndef nsIScrollObserver_h___
7 #define nsIScrollObserver_h___
8
9 #include "nsISupports.h"
10
11 #define NS_ISCROLLOBSERVER_IID \
12 { 0x7c1a8b63, 0xe322, 0x4827, \
13 { 0xa4, 0xb1, 0x3b, 0x6e, 0x59, 0x03, 0x47, 0x7e } }
14
15 class nsIScrollObserver : public nsISupports
16 {
17 public:
18 NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCROLLOBSERVER_IID)
19
20 /**
21 * Called when the scroll position of some element has changed.
22 */
23 virtual void ScrollPositionChanged() = 0;
24 };
25
26 NS_DEFINE_STATIC_IID_ACCESSOR(nsIScrollObserver, NS_ISCROLLOBSERVER_IID)
27
28 #endif /* nsIScrollObserver_h___ */

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