gecko-dev/dom/svg/SVGClass.h

72 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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"
#include "mozilla/UniquePtr.h"
namespace mozilla {
namespace dom {
class SVGAnimatedString;
class SVGElement;
class SVGClass {
public:
typedef mozilla::dom::SVGElement SVGElement;
void Init() { mAnimVal = nullptr; }
void SetBaseValue(const nsAString& aValue, SVGElement* aSVGElement,
bool aDoSetAttr);
void GetBaseValue(nsAString& aValue, const SVGElement* aSVGElement) const;
void SetAnimValue(const nsAString& aValue, SVGElement* aSVGElement);
void GetAnimValue(nsAString& aValue, const SVGElement* aSVGElement) const;
bool IsAnimated() const { return !!mAnimVal; }
already_AddRefed<mozilla::dom::SVGAnimatedString> ToDOMAnimatedString(
SVGElement* aSVGElement);
mozilla::UniquePtr<nsISMILAttr> ToSMILAttr(SVGElement* aSVGElement);
private:
nsAutoPtr<nsString> mAnimVal;
public:
struct SMILString : public nsISMILAttr {
public:
SMILString(SVGClass* aVal, SVGElement* 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.
SVGClass* mVal;
SVGElement* mSVGElement;
// nsISMILAttr methods
virtual nsresult ValueFromString(
const nsAString& aStr,
const mozilla::dom::SVGAnimationElement* aSrcElement,
nsSMILValue& aValue, bool& aPreventCachingOfSandwich) const override;
virtual nsSMILValue GetBaseValue() const override;
virtual void ClearAnimValue() override;
virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
};
};
} // namespace dom
} // namespace mozilla
#endif //__NS_SVGCLASS_H__