The Tor Browser / file comparison
comparison: layout/mathml/nsMathMLmrowFrame.cpp
layout/mathml/nsMathMLmrowFrame.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:5a6e18333ef2 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsMathMLmrowFrame.h" | |
| 7 #include "mozilla/gfx/2D.h" | |
| 8 | |
| 9 // | |
| 10 // <mrow> -- horizontally group any number of subexpressions - implementation | |
| 11 // | |
| 12 | |
| 13 nsIFrame* | |
| 14 NS_NewMathMLmrowFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 15 { | |
| 16 return new (aPresShell) nsMathMLmrowFrame(aContext); | |
| 17 } | |
| 18 | |
| 19 NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmrowFrame) | |
| 20 | |
| 21 nsMathMLmrowFrame::~nsMathMLmrowFrame() | |
| 22 { | |
| 23 } | |
| 24 | |
| 25 NS_IMETHODIMP | |
| 26 nsMathMLmrowFrame::InheritAutomaticData(nsIFrame* aParent) | |
| 27 { | |
| 28 // let the base class get the default from our parent | |
| 29 nsMathMLContainerFrame::InheritAutomaticData(aParent); | |
| 30 | |
| 31 mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY; | |
| 32 | |
| 33 return NS_OK; | |
| 34 } | |
| 35 | |
| 36 nsresult | |
| 37 nsMathMLmrowFrame::AttributeChanged(int32_t aNameSpaceID, | |
| 38 nsIAtom* aAttribute, | |
| 39 int32_t aModType) | |
| 40 { | |
| 41 // Special for <mtable>: In the frame construction code, we also use | |
| 42 // this frame class as a wrapper for mtable. Hence, we should pass the | |
| 43 // notification to the real mtable | |
| 44 if (mContent->Tag() == nsGkAtoms::mtable_) { | |
| 45 nsIFrame* frame = mFrames.FirstChild(); | |
| 46 for ( ; frame; frame = frame->GetFirstPrincipalChild()) { | |
| 47 // drill down to the real mtable | |
| 48 if (frame->GetType() == nsGkAtoms::tableOuterFrame) | |
| 49 return frame->AttributeChanged(aNameSpaceID, aAttribute, aModType); | |
| 50 } | |
| 51 NS_NOTREACHED("mtable wrapper without the real table frame"); | |
| 52 } | |
| 53 | |
| 54 return nsMathMLContainerFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType); | |
| 55 } | |
| 56 | |
| 57 /* virtual */ eMathMLFrameType | |
| 58 nsMathMLmrowFrame::GetMathMLFrameType() | |
| 59 { | |
| 60 if (!IsMrowLike()) { | |
| 61 nsIMathMLFrame* child = do_QueryFrame(mFrames.FirstChild()); | |
| 62 if (child) { | |
| 63 // We only have one child, so we return the frame type of that child as if | |
| 64 // we didn't exist. | |
| 65 return child->GetMathMLFrameType(); | |
| 66 } | |
| 67 } | |
| 68 return nsMathMLFrame::GetMathMLFrameType(); | |
| 69 } |
