gecko-dev/dom/svg/SVGAnimatedBoolean.h

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/* -*- 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_SVGANIMATEDBOOLEAN_H_
#define DOM_SVG_SVGANIMATEDBOOLEAN_H_
#include "nsError.h"
#include "mozilla/SMILAttr.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Attributes.h"
#include "mozilla/UniquePtr.h"
class nsAtom;
namespace mozilla {
class SMILValue;
namespace dom {
class DOMSVGAnimatedBoolean;
class SVGAnimationElement;
class SVGElement;
} // namespace dom
class SVGAnimatedBoolean {
public:
friend class AutoChangeBooleanNotifier;
using SVGElement = dom::SVGElement;
void Init(uint8_t aAttrEnum = 0xff, bool aValue = false) {
mAnimVal = mBaseVal = aValue;
mAttrEnum = aAttrEnum;
mIsAnimated = false;
}
nsresult SetBaseValueAtom(const nsAtom* aValue, SVGElement* aSVGElement);
nsAtom* GetBaseValueAtom() const;
void SetBaseValue(bool aValue, SVGElement* aSVGElement);
bool GetBaseValue() const { return mBaseVal; }
void SetAnimValue(bool aValue, SVGElement* aSVGElement);
bool GetAnimValue() const { return mAnimVal; }
already_AddRefed<dom::DOMSVGAnimatedBoolean> ToDOMAnimatedBoolean(
SVGElement* aSVGElement);
UniquePtr<SMILAttr> ToSMILAttr(SVGElement* aSVGElement);
private:
bool mAnimVal;
bool mBaseVal;
bool mIsAnimated;
uint8_t mAttrEnum; // element specified tracking for attribute
public:
struct SMILBool : public SMILAttr {
public:
SMILBool(SVGAnimatedBoolean* 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.
SVGAnimatedBoolean* 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 mozilla
#endif // DOM_SVG_SVGANIMATEDBOOLEAN_H_