layout/mathml/nsMathMLmsqrtFrame.cpp
author moz-wptsync-bot <wptsync@mozilla.com>
Wed, 20 Feb 2019 11:15:05 +0000
changeset 522542 db896ec3c023252eb95bac8b48cb422098224195
parent 515475 525e804dc7e63855e026be9557af15340d71455a
child 528448 4b56de3cd46cab3f1988a2ecc299a63bceae0038
permissions -rw-r--r--
Bug 1529092 [wpt PR 15464] - Update wpt metadata, a=testonly wpt-pr: 15464 wpt-type: metadata

/* -*- 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/. */

#include "nsMathMLmsqrtFrame.h"
#include "mozilla/gfx/2D.h"

//
// <msqrt> -- form a radical - implementation
//

using namespace mozilla;

nsIFrame* NS_NewMathMLmsqrtFrame(nsIPresShell* aPresShell,
                                 ComputedStyle* aStyle) {
  return new (aPresShell)
      nsMathMLmsqrtFrame(aStyle, aPresShell->GetPresContext());
}

NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmsqrtFrame)

nsMathMLmsqrtFrame::nsMathMLmsqrtFrame(ComputedStyle* aStyle,
                                       nsPresContext* aPresContext)
    : nsMathMLmencloseFrame(aStyle, aPresContext, kClassID) {}

nsMathMLmsqrtFrame::~nsMathMLmsqrtFrame() {}

void nsMathMLmsqrtFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
                              nsIFrame* aPrevInFlow) {
  nsMathMLContainerFrame::Init(aContent, aParent, aPrevInFlow);
  AllocateMathMLChar(NOTATION_RADICAL);
  mNotationsToDraw += NOTATION_RADICAL;
}

NS_IMETHODIMP
nsMathMLmsqrtFrame::InheritAutomaticData(nsIFrame* aParent) {
  nsMathMLContainerFrame::InheritAutomaticData(aParent);

  mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY;

  return NS_OK;
}

nsresult nsMathMLmsqrtFrame::AttributeChanged(int32_t aNameSpaceID,
                                              nsAtom* aAttribute,
                                              int32_t aModType) {
  return nsMathMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute,
                                                  aModType);
}