gecko-dev/dom/svg/nsSVGClass.h

76 строки
2.2 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 __NS_SVGCLASS_H__
#define __NS_SVGCLASS_H__
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsError.h"
#include "nsISMILAttr.h"
#include "nsString.h"
#include "mozilla/Attributes.h"
class nsSVGElement;
namespace mozilla {
namespace dom {
class SVGAnimatedString;
}
}
class nsSVGClass
{
public:
void Init() {
mAnimVal = nullptr;
}
void SetBaseValue(const nsAString& aValue,
nsSVGElement *aSVGElement,
bool aDoSetAttr);
void GetBaseValue(nsAString& aValue, const nsSVGElement *aSVGElement) const;
void SetAnimValue(const nsAString& aValue, nsSVGElement *aSVGElement);
void GetAnimValue(nsAString& aValue, const nsSVGElement *aSVGElement) const;
bool IsAnimated() const
{ return !!mAnimVal; }
already_AddRefed<mozilla::dom::SVGAnimatedString>
ToDOMAnimatedString(nsSVGElement* aSVGElement);
// Returns a new nsISMILAttr object that the caller must delete
nsISMILAttr* ToSMILAttr(nsSVGElement *aSVGElement);
private:
nsAutoPtr<nsString> mAnimVal;
public:
struct SMILString : public nsISMILAttr
{
public:
SMILString(nsSVGClass *aVal, nsSVGElement *aSVGElement)
: mVal(aVal), mSVGElement(aSVGElement) {}
// These will stay alive because a nsISMILAttr only lives as long
// as the Compositing step, and DOM elements don't get a chance to
// die during that.
nsSVGClass* mVal;
nsSVGElement* mSVGElement;
// nsISMILAttr methods
virtual nsresult ValueFromString(const nsAString& aStr,
const mozilla::dom::SVGAnimationElement *aSrcElement,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const MOZ_OVERRIDE;
virtual nsSMILValue GetBaseValue() const MOZ_OVERRIDE;
virtual void ClearAnimValue() MOZ_OVERRIDE;
virtual nsresult SetAnimValue(const nsSMILValue& aValue) MOZ_OVERRIDE;
};
};
#endif //__NS_SVGCLASS_H__