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/* -*- 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 NS_SVGTEXTFRAME_H
#define NS_SVGTEXTFRAME_H
#include "gfxMatrix.h"
#include "gfxRect.h"
#include "nsSVGTextContainerFrame.h"
class nsRenderingContext;
typedef nsSVGTextContainerFrame nsSVGTextFrameBase;
class nsSVGTextFrame : public nsSVGTextFrameBase
{
friend nsIFrame*
NS_NewSVGTextFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
nsSVGTextFrame(nsStyleContext* aContext)
: nsSVGTextFrameBase(aContext),
mPositioningDirty(true) {}
public:
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame:
#ifdef DEBUG
NS_IMETHOD Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow);
#endif
NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType);
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgTextFrame
*/
virtual nsIAtom* GetType() const;
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("SVGText"), aResult);
}
#endif
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
// nsISVGChildFrame interface:
virtual void NotifySVGChanged(uint32_t aFlags);
// Override these four to ensure that UpdateGlyphPositioning is called
// to bring glyph positions up to date
NS_IMETHOD PaintSVG(nsRenderingContext* aContext,
const nsIntRect *aDirtyRect);
NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint & aPoint);
virtual void ReflowSVG();
virtual SVGBBox GetBBoxContribution(const gfxMatrix &aToBBoxUserspace,
uint32_t aFlags);
// nsSVGContainerFrame methods:
virtual gfxMatrix GetCanvasTM(uint32_t aFor);
// nsSVGTextContainerFrame methods:
virtual uint32_t GetNumberOfChars();
virtual float GetComputedTextLength();
virtual float GetSubStringLength(uint32_t charnum, uint32_t nchars);
virtual int32_t GetCharNumAtPosition(mozilla::nsISVGPoint *point);
NS_IMETHOD GetStartPositionOfChar(uint32_t charnum, nsISupports **_retval);
NS_IMETHOD GetEndPositionOfChar(uint32_t charnum, nsISupports **_retval);
NS_IMETHOD GetExtentOfChar(uint32_t charnum, nsIDOMSVGRect **_retval);
NS_IMETHOD GetRotationOfChar(uint32_t charnum, float *_retval);
// nsSVGTextFrame
void NotifyGlyphMetricsChange();
private:
/**
* @param aForceGlobalTransform passed down to nsSVGGlyphFrames to
* control whether they should use the global transform even when
* NS_STATE_NONDISPLAY_CHILD
*/
void UpdateGlyphPositioning(bool aForceGlobalTransform);
void SetWhitespaceHandling(nsSVGGlyphFrame *aFrame);
nsAutoPtr<gfxMatrix> mCanvasTM;
bool mPositioningDirty;
};
#endif
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