gecko-dev/layout/svg/nsSVGTSpanFrame.h

82 строки
2.4 KiB
C++

/* -*- 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/. */
#ifndef NSSVGTSPANFRAME_H
#define NSSVGTSPANFRAME_H
#include "mozilla/Attributes.h"
#include "gfxMatrix.h"
#include "nsFrame.h"
#include "nsISVGGlyphFragmentNode.h"
#include "nsLiteralString.h"
#include "nsQueryFrame.h"
#include "nsSVGTextContainerFrame.h"
class nsIAtom;
class nsIContent;
class nsIFrame;
class nsIPresShell;
class nsStyleContext;
class nsSVGGlyphFrame;
namespace mozilla {
class nsISVGPoint;
}
typedef nsSVGTextContainerFrame nsSVGTSpanFrameBase;
class nsSVGTSpanFrame : public nsSVGTSpanFrameBase,
public nsISVGGlyphFragmentNode
{
friend nsIFrame*
NS_NewSVGTSpanFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
nsSVGTSpanFrame(nsStyleContext* aContext) :
nsSVGTSpanFrameBase(aContext) {}
public:
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame:
#ifdef DEBUG
virtual void Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
#endif
NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) MOZ_OVERRIDE;
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgTSpanFrame
*/
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
{
return MakeFrameName(NS_LITERAL_STRING("SVGTSpan"), aResult);
}
#endif
// nsSVGContainerFrame methods:
virtual gfxMatrix GetCanvasTM(uint32_t aFor,
nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;
// nsISVGGlyphFragmentNode interface:
virtual uint32_t GetNumberOfChars() MOZ_OVERRIDE;
virtual float GetComputedTextLength() MOZ_OVERRIDE;
virtual float GetSubStringLength(uint32_t charnum, uint32_t fragmentChars) MOZ_OVERRIDE;
virtual int32_t GetCharNumAtPosition(mozilla::nsISVGPoint *point) MOZ_OVERRIDE;
NS_IMETHOD_(nsSVGGlyphFrame *) GetFirstGlyphFrame() MOZ_OVERRIDE;
NS_IMETHOD_(nsSVGGlyphFrame *) GetNextGlyphFrame() MOZ_OVERRIDE;
NS_IMETHOD_(void) SetWhitespaceCompression(bool aCompressWhitespace) MOZ_OVERRIDE;
};
#endif