1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/mathml/nsMathMLmoFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,102 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsMathMLmoFrame_h___
1.10 +#define nsMathMLmoFrame_h___
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsMathMLTokenFrame.h"
1.14 +#include "nsMathMLChar.h"
1.15 +
1.16 +//
1.17 +// <mo> -- operator, fence, or separator
1.18 +//
1.19 +
1.20 +class nsMathMLmoFrame : public nsMathMLTokenFrame {
1.21 +public:
1.22 + NS_DECL_FRAMEARENA_HELPERS
1.23 +
1.24 + friend nsIFrame* NS_NewMathMLmoFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.25 +
1.26 + virtual eMathMLFrameType GetMathMLFrameType() MOZ_OVERRIDE;
1.27 +
1.28 + virtual void
1.29 + SetAdditionalStyleContext(int32_t aIndex,
1.30 + nsStyleContext* aStyleContext) MOZ_OVERRIDE;
1.31 + virtual nsStyleContext*
1.32 + GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;
1.33 +
1.34 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.35 + const nsRect& aDirtyRect,
1.36 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.37 +
1.38 + NS_IMETHOD
1.39 + InheritAutomaticData(nsIFrame* aParent) MOZ_OVERRIDE;
1.40 +
1.41 + NS_IMETHOD
1.42 + TransmitAutomaticData() MOZ_OVERRIDE;
1.43 +
1.44 + virtual nsresult
1.45 + SetInitialChildList(ChildListID aListID,
1.46 + nsFrameList& aChildList) MOZ_OVERRIDE;
1.47 +
1.48 + virtual nsresult
1.49 + Reflow(nsPresContext* aPresContext,
1.50 + nsHTMLReflowMetrics& aDesiredSize,
1.51 + const nsHTMLReflowState& aReflowState,
1.52 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.53 +
1.54 + virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
1.55 +
1.56 + virtual void
1.57 + GetIntrinsicWidthMetrics(nsRenderingContext* aRenderingContext,
1.58 + nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE;
1.59 +
1.60 + virtual nsresult
1.61 + AttributeChanged(int32_t aNameSpaceID,
1.62 + nsIAtom* aAttribute,
1.63 + int32_t aModType) MOZ_OVERRIDE;
1.64 +
1.65 + // This method is called by the parent frame to ask <mo>
1.66 + // to stretch itself.
1.67 + NS_IMETHOD
1.68 + Stretch(nsRenderingContext& aRenderingContext,
1.69 + nsStretchDirection aStretchDirection,
1.70 + nsBoundingMetrics& aContainerSize,
1.71 + nsHTMLReflowMetrics& aDesiredStretchSize) MOZ_OVERRIDE;
1.72 +
1.73 + virtual nsresult
1.74 + ChildListChanged(int32_t aModType) MOZ_OVERRIDE
1.75 + {
1.76 + ProcessTextData();
1.77 + return nsMathMLContainerFrame::ChildListChanged(aModType);
1.78 + }
1.79 +
1.80 +protected:
1.81 + nsMathMLmoFrame(nsStyleContext* aContext) : nsMathMLTokenFrame(aContext) {}
1.82 + virtual ~nsMathMLmoFrame();
1.83 +
1.84 + nsMathMLChar mMathMLChar; // Here is the MathMLChar that will deal with the operator.
1.85 + nsOperatorFlags mFlags;
1.86 + float mMinSize;
1.87 + float mMaxSize;
1.88 +
1.89 + bool UseMathMLChar();
1.90 +
1.91 + // overload the base method so that we can setup our nsMathMLChar
1.92 + void ProcessTextData();
1.93 +
1.94 + // helper to get our 'form' and lookup in the Operator Dictionary to fetch
1.95 + // our default data that may come from there, and to complete the setup
1.96 + // using attributes that we may have
1.97 + void
1.98 + ProcessOperatorData();
1.99 +
1.100 + // helper to double check thar our char should be rendered as a selected char
1.101 + bool
1.102 + IsFrameInSelection(nsIFrame* aFrame);
1.103 +};
1.104 +
1.105 +#endif /* nsMathMLmoFrame_h___ */
