/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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 "nsMathMLmrowFrame.h" #include "mozilla/gfx/2D.h" // // <mrow> -- horizontally group any number of subexpressions - implementation // nsIFrame* NS_NewMathMLmrowFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) { return new (aPresShell) nsMathMLmrowFrame(aContext); } NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmrowFrame) nsMathMLmrowFrame::~nsMathMLmrowFrame() { } NS_IMETHODIMP nsMathMLmrowFrame::InheritAutomaticData(nsIFrame* aParent) { // let the base class get the default from our parent nsMathMLContainerFrame::InheritAutomaticData(aParent); mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY; return NS_OK; } nsresult nsMathMLmrowFrame::AttributeChanged(int32_t aNameSpaceID, nsIAtom* aAttribute, int32_t aModType) { // Special for <mtable>: In the frame construction code, we also use // this frame class as a wrapper for mtable. Hence, we should pass the // notification to the real mtable if (mContent->IsMathMLElement(nsGkAtoms::mtable_)) { nsIFrame* frame = mFrames.FirstChild(); for ( ; frame; frame = frame->PrincipalChildList().FirstChild()) { // drill down to the real mtable if (frame->GetType() == nsGkAtoms::tableWrapperFrame) return frame->AttributeChanged(aNameSpaceID, aAttribute, aModType); } NS_NOTREACHED("mtable wrapper without the real table frame"); } return nsMathMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType); } /* virtual */ eMathMLFrameType nsMathMLmrowFrame::GetMathMLFrameType() { if (!IsMrowLike()) { nsIMathMLFrame* child = do_QueryFrame(mFrames.FirstChild()); if (child) { // We only have one child, so we return the frame type of that child as if // we didn't exist. return child->GetMathMLFrameType(); } } return nsMathMLFrame::GetMathMLFrameType(); }