layout/mathml/nsMathMLmpaddedFrame.h@97036ab72558 (annotated)
layout/mathml/nsMathMLmpaddedFrame.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsMathMLmpaddedFrame_h___ |
| michael@0 | 7 | #define nsMathMLmpaddedFrame_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/Attributes.h" |
| michael@0 | 10 | #include "nsMathMLContainerFrame.h" |
| michael@0 | 11 | |
| michael@0 | 12 | // |
| michael@0 | 13 | // <mpadded> -- adjust space around content |
| michael@0 | 14 | // |
| michael@0 | 15 | |
| michael@0 | 16 | class nsMathMLmpaddedFrame : public nsMathMLContainerFrame { |
| michael@0 | 17 | public: |
| michael@0 | 18 | NS_DECL_FRAMEARENA_HELPERS |
| michael@0 | 19 | |
| michael@0 | 20 | friend nsIFrame* NS_NewMathMLmpaddedFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
| michael@0 | 21 | |
| michael@0 | 22 | NS_IMETHOD |
| michael@0 | 23 | InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE; |
| michael@0 | 24 | |
| michael@0 | 25 | NS_IMETHOD |
| michael@0 | 26 | TransmitAutomaticData() MOZ_OVERRIDE { |
| michael@0 | 27 | return TransmitAutomaticDataForMrowLikeElement(); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | virtual nsresult |
| michael@0 | 31 | Reflow(nsPresContext* aPresContext, |
| michael@0 | 32 | nsHTMLReflowMetrics& aDesiredSize, |
| michael@0 | 33 | const nsHTMLReflowState& aReflowState, |
| michael@0 | 34 | nsReflowStatus& aStatus) MOZ_OVERRIDE; |
| michael@0 | 35 | |
| michael@0 | 36 | virtual nsresult |
| michael@0 | 37 | Place(nsRenderingContext& aRenderingContext, |
| michael@0 | 38 | bool aPlaceOrigin, |
| michael@0 | 39 | nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE; |
| michael@0 | 40 | |
| michael@0 | 41 | bool |
| michael@0 | 42 | IsMrowLike() MOZ_OVERRIDE { |
| michael@0 | 43 | return mFrames.FirstChild() != mFrames.LastChild() || |
| michael@0 | 44 | !mFrames.FirstChild(); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | protected: |
| michael@0 | 48 | nsMathMLmpaddedFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {} |
| michael@0 | 49 | virtual ~nsMathMLmpaddedFrame(); |
| michael@0 | 50 | |
| michael@0 | 51 | virtual nsresult |
| michael@0 | 52 | MeasureForWidth(nsRenderingContext& aRenderingContext, |
| michael@0 | 53 | nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE; |
| michael@0 | 54 | |
| michael@0 | 55 | private: |
| michael@0 | 56 | nsCSSValue mWidth; |
| michael@0 | 57 | nsCSSValue mHeight; |
| michael@0 | 58 | nsCSSValue mDepth; |
| michael@0 | 59 | nsCSSValue mLeadingSpace; |
| michael@0 | 60 | nsCSSValue mVerticalOffset; |
| michael@0 | 61 | |
| michael@0 | 62 | int32_t mWidthSign; |
| michael@0 | 63 | int32_t mHeightSign; |
| michael@0 | 64 | int32_t mDepthSign; |
| michael@0 | 65 | int32_t mLeadingSpaceSign; |
| michael@0 | 66 | int32_t mVerticalOffsetSign; |
| michael@0 | 67 | |
| michael@0 | 68 | int32_t mWidthPseudoUnit; |
| michael@0 | 69 | int32_t mHeightPseudoUnit; |
| michael@0 | 70 | int32_t mDepthPseudoUnit; |
| michael@0 | 71 | int32_t mLeadingSpacePseudoUnit; |
| michael@0 | 72 | int32_t mVerticalOffsetPseudoUnit; |
| michael@0 | 73 | |
| michael@0 | 74 | // helpers to process the attributes |
| michael@0 | 75 | void |
| michael@0 | 76 | ProcessAttributes(); |
| michael@0 | 77 | |
| michael@0 | 78 | static bool |
| michael@0 | 79 | ParseAttribute(nsString& aString, |
| michael@0 | 80 | int32_t& aSign, |
| michael@0 | 81 | nsCSSValue& aCSSValue, |
| michael@0 | 82 | int32_t& aPseudoUnit); |
| michael@0 | 83 | |
| michael@0 | 84 | void |
| michael@0 | 85 | UpdateValue(int32_t aSign, |
| michael@0 | 86 | int32_t aPseudoUnit, |
| michael@0 | 87 | const nsCSSValue& aCSSValue, |
| michael@0 | 88 | const nsHTMLReflowMetrics& aDesiredSize, |
| michael@0 | 89 | nscoord& aValueToUpdate) const; |
| michael@0 | 90 | }; |
| michael@0 | 91 | |
| michael@0 | 92 | #endif /* nsMathMLmpaddedFrame_h___ */ |
