gecko-dev/dom/svg/SVGAnimatedClass.h

73 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 DOM_SVG_SVGANIMATEDCLASS_H_
#define DOM_SVG_SVGANIMATEDCLASS_H_
#include "nsCycleCollectionParticipant.h"
#include "nsError.h"
#include "nsString.h"
#include "mozilla/Attributes.h"
#include "mozilla/SMILAttr.h"
#include "mozilla/UniquePtr.h"
namespace mozilla {
class SMILValue;
namespace dom {
class DOMSVGAnimatedString;
class SVGElement;
class SVGAnimatedClass {
public:
using SVGElement = dom::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& aResult, const SVGElement* aSVGElement) const;
bool IsAnimated() const { return !!mAnimVal; }
already_AddRefed<dom::DOMSVGAnimatedString> ToDOMAnimatedString(
SVGElement* aSVGElement);
UniquePtr<SMILAttr> ToSMILAttr(SVGElement* aSVGElement);
private:
UniquePtr<nsString> mAnimVal;
public:
struct SMILString : public SMILAttr {
public:
SMILString(SVGAnimatedClass* aVal, SVGElement* aSVGElement)
: mVal(aVal), mSVGElement(aSVGElement) {}
// These will stay alive because a SMILAttr only lives as long
// as the Compositing step, and DOM elements don't get a chance to
// die during that.
SVGAnimatedClass* mVal;
SVGElement* mSVGElement;
// SMILAttr methods
virtual nsresult ValueFromString(
const nsAString& aStr, const dom::SVGAnimationElement* aSrcElement,
SMILValue& aValue, bool& aPreventCachingOfSandwich) const override;
virtual SMILValue GetBaseValue() const override;
virtual void ClearAnimValue() override;
virtual nsresult SetAnimValue(const SMILValue& aValue) override;
};
};
} // namespace dom
} // namespace mozilla
#endif // DOM_SVG_SVGANIMATEDCLASS_H_