layout/mathml/nsMathMLmoFrame.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

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 nsMathMLmoFrame_h___
michael@0 7 #define nsMathMLmoFrame_h___
michael@0 8
michael@0 9 #include "mozilla/Attributes.h"
michael@0 10 #include "nsMathMLTokenFrame.h"
michael@0 11 #include "nsMathMLChar.h"
michael@0 12
michael@0 13 //
michael@0 14 // <mo> -- operator, fence, or separator
michael@0 15 //
michael@0 16
michael@0 17 class nsMathMLmoFrame : public nsMathMLTokenFrame {
michael@0 18 public:
michael@0 19 NS_DECL_FRAMEARENA_HELPERS
michael@0 20
michael@0 21 friend nsIFrame* NS_NewMathMLmoFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0 22
michael@0 23 virtual eMathMLFrameType GetMathMLFrameType() MOZ_OVERRIDE;
michael@0 24
michael@0 25 virtual void
michael@0 26 SetAdditionalStyleContext(int32_t aIndex,
michael@0 27 nsStyleContext* aStyleContext) MOZ_OVERRIDE;
michael@0 28 virtual nsStyleContext*
michael@0 29 GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;
michael@0 30
michael@0 31 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
michael@0 32 const nsRect& aDirtyRect,
michael@0 33 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0 34
michael@0 35 NS_IMETHOD
michael@0 36 InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
michael@0 37
michael@0 38 NS_IMETHOD
michael@0 39 TransmitAutomaticData() MOZ_OVERRIDE;
michael@0 40
michael@0 41 virtual nsresult
michael@0 42 SetInitialChildList(ChildListID aListID,
michael@0 43 nsFrameList& aChildList) MOZ_OVERRIDE;
michael@0 44
michael@0 45 virtual nsresult
michael@0 46 Reflow(nsPresContext* aPresContext,
michael@0 47 nsHTMLReflowMetrics& aDesiredSize,
michael@0 48 const nsHTMLReflowState& aReflowState,
michael@0 49 nsReflowStatus& aStatus) MOZ_OVERRIDE;
michael@0 50
michael@0 51 virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
michael@0 52
michael@0 53 virtual void
michael@0 54 GetIntrinsicWidthMetrics(nsRenderingContext* aRenderingContext,
michael@0 55 nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
michael@0 56
michael@0 57 virtual nsresult
michael@0 58 AttributeChanged(int32_t aNameSpaceID,
michael@0 59 nsIAtom* aAttribute,
michael@0 60 int32_t aModType) MOZ_OVERRIDE;
michael@0 61
michael@0 62 // This method is called by the parent frame to ask <mo>
michael@0 63 // to stretch itself.
michael@0 64 NS_IMETHOD
michael@0 65 Stretch(nsRenderingContext& aRenderingContext,
michael@0 66 nsStretchDirection aStretchDirection,
michael@0 67 nsBoundingMetrics& aContainerSize,
michael@0 68 nsHTMLReflowMetrics& aDesiredStretchSize) MOZ_OVERRIDE;
michael@0 69
michael@0 70 virtual nsresult
michael@0 71 ChildListChanged(int32_t aModType) MOZ_OVERRIDE
michael@0 72 {
michael@0 73 ProcessTextData();
michael@0 74 return nsMathMLContainerFrame::ChildListChanged(aModType);
michael@0 75 }
michael@0 76
michael@0 77 protected:
michael@0 78 nsMathMLmoFrame(nsStyleContext* aContext) : nsMathMLTokenFrame(aContext) {}
michael@0 79 virtual ~nsMathMLmoFrame();
michael@0 80
michael@0 81 nsMathMLChar mMathMLChar; // Here is the MathMLChar that will deal with the operator.
michael@0 82 nsOperatorFlags mFlags;
michael@0 83 float mMinSize;
michael@0 84 float mMaxSize;
michael@0 85
michael@0 86 bool UseMathMLChar();
michael@0 87
michael@0 88 // overload the base method so that we can setup our nsMathMLChar
michael@0 89 void ProcessTextData();
michael@0 90
michael@0 91 // helper to get our 'form' and lookup in the Operator Dictionary to fetch
michael@0 92 // our default data that may come from there, and to complete the setup
michael@0 93 // using attributes that we may have
michael@0 94 void
michael@0 95 ProcessOperatorData();
michael@0 96
michael@0 97 // helper to double check thar our char should be rendered as a selected char
michael@0 98 bool
michael@0 99 IsFrameInSelection(nsIFrame* aFrame);
michael@0 100 };
michael@0 101
michael@0 102 #endif /* nsMathMLmoFrame_h___ */

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