From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- layout/base/nsIPercentBSizeObserver.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 layout/base/nsIPercentBSizeObserver.h (limited to 'layout/base/nsIPercentBSizeObserver.h') diff --git a/layout/base/nsIPercentBSizeObserver.h b/layout/base/nsIPercentBSizeObserver.h new file mode 100644 index 0000000000..f11e1e2774 --- /dev/null +++ b/layout/base/nsIPercentBSizeObserver.h @@ -0,0 +1,33 @@ +/* -*- 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 nsIPercentBSizeObserver_h___ +#define nsIPercentBSizeObserver_h___ + +#include "nsQueryFrame.h" + +namespace mozilla { +struct ReflowInput; +} // namespace mozilla + +/** + * This interface is supported by frames that need to provide computed bsize + * values to children during reflow which would otherwise not happen. Currently + * only table cells support this. + */ +class nsIPercentBSizeObserver { + public: + NS_DECL_QUERYFRAME_TARGET(nsIPercentBSizeObserver) + + // Notify the observer that aReflowInput has no computed bsize, + // but it has a percent bsize + virtual void NotifyPercentBSize(const mozilla::ReflowInput& aReflowInput) = 0; + + // Ask the observer if it should observe aReflowInput.frame + virtual bool NeedsToObserve(const mozilla::ReflowInput& aReflowInput) = 0; +}; + +#endif // nsIPercentBSizeObserver_h___ -- cgit v1.2.3