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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /docshell/base/nsIScrollObserver.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | docshell/base/nsIScrollObserver.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/docshell/base/nsIScrollObserver.h b/docshell/base/nsIScrollObserver.h new file mode 100644 index 0000000000..9ff89002f0 --- /dev/null +++ b/docshell/base/nsIScrollObserver.h @@ -0,0 +1,45 @@ +/* -*- 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___ */ |