mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-22 17:55:50 +00:00
2f9688c14e
Additionally, this patch makes `nsFrame.h` stop including `nsIPresShell.h` and makes each users include `mozilla/PresShell.h` instead. So, this improves rebuild performance of `nsIPresShell.h` (and `mozilla/PresShell.h` in the future). Note that due to `nsIFrame::PresShell()`, `mozilla::` prefix is necessary for `PresShell` in a lot of classes which are derived from `nsIFrame` even in `.cpp` files. Differential Revision: https://phabricator.services.mozilla.com/D27476 --HG-- extra : moz-landing-system : lando
67 lines
2.1 KiB
C++
67 lines
2.1 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 nsMathMLmsqrtFrame_h___
|
|
#define nsMathMLmsqrtFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsMathMLmencloseFrame.h"
|
|
|
|
namespace mozilla {
|
|
class PresShell;
|
|
} // namespace mozilla
|
|
|
|
//
|
|
// <msqrt> -- form a radical
|
|
//
|
|
|
|
/*
|
|
The MathML REC describes:
|
|
|
|
The <msqrt> element is used to display square roots.
|
|
The syntax for <msqrt> is:
|
|
<msqrt> base </msqrt>
|
|
|
|
Attributes of <msqrt> and <mroot>:
|
|
|
|
None (except the attributes allowed for all MathML elements, listed in Section
|
|
2.3.4).
|
|
|
|
The <mroot> element increments scriptlevel by 2, and sets displaystyle to
|
|
"false", within index, but leaves both attributes unchanged within base. The
|
|
<msqrt> element leaves both attributes unchanged within all its arguments.
|
|
These attributes are inherited by every element from its rendering environment,
|
|
but can be set explicitly only on <mstyle>. (See Section 3.3.4.)
|
|
*/
|
|
|
|
class nsMathMLmsqrtFrame final : public nsMathMLmencloseFrame {
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS(nsMathMLmsqrtFrame)
|
|
|
|
friend nsIFrame* NS_NewMathMLmsqrtFrame(mozilla::PresShell* aPresShell,
|
|
ComputedStyle* aStyle);
|
|
|
|
virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) override;
|
|
|
|
NS_IMETHOD
|
|
InheritAutomaticData(nsIFrame* aParent) override;
|
|
|
|
virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
|
|
int32_t aModType) override;
|
|
|
|
virtual bool IsMrowLike() override {
|
|
return mFrames.FirstChild() != mFrames.LastChild() || !mFrames.FirstChild();
|
|
}
|
|
|
|
protected:
|
|
explicit nsMathMLmsqrtFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext);
|
|
virtual ~nsMathMLmsqrtFrame();
|
|
};
|
|
|
|
#endif /* nsMathMLmsqrtFrame_h___ */
|