зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.4 KiB
C++
101 строка
3.4 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_SVGSTRING_H__
|
|
#define __NS_SVGSTRING_H__
|
|
|
|
#include "nsAutoPtr.h"
|
|
#include "nsError.h"
|
|
#include "SVGElement.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/dom/SVGAnimatedString.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
|
|
class nsSVGString {
|
|
public:
|
|
typedef mozilla::dom::SVGElement SVGElement;
|
|
|
|
void Init(uint8_t aAttrEnum) {
|
|
mAnimVal = nullptr;
|
|
mAttrEnum = aAttrEnum;
|
|
mIsBaseSet = false;
|
|
}
|
|
|
|
void SetBaseValue(const nsAString& aValue, SVGElement* aSVGElement,
|
|
bool aDoSetAttr);
|
|
void GetBaseValue(nsAString& aValue, const SVGElement* aSVGElement) const {
|
|
aSVGElement->GetStringBaseValue(mAttrEnum, aValue);
|
|
}
|
|
|
|
void SetAnimValue(const nsAString& aValue, SVGElement* aSVGElement);
|
|
void GetAnimValue(nsAString& aValue, const SVGElement* aSVGElement) const;
|
|
|
|
// Returns true if the animated value of this string has been explicitly
|
|
// set (either by animation, or by taking on the base value which has been
|
|
// explicitly set by markup or a DOM call), false otherwise.
|
|
// If this returns false, the animated value is still valid, that is,
|
|
// usable, and represents the default base value of the attribute.
|
|
bool IsExplicitlySet() const { return !!mAnimVal || mIsBaseSet; }
|
|
|
|
already_AddRefed<mozilla::dom::SVGAnimatedString> ToDOMAnimatedString(
|
|
SVGElement* aSVGElement);
|
|
|
|
mozilla::UniquePtr<nsISMILAttr> ToSMILAttr(SVGElement* aSVGElement);
|
|
|
|
private:
|
|
nsAutoPtr<nsString> mAnimVal;
|
|
uint8_t mAttrEnum; // element specified tracking for attribute
|
|
bool mIsBaseSet;
|
|
|
|
public:
|
|
struct DOMAnimatedString final : public mozilla::dom::SVGAnimatedString {
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMAnimatedString)
|
|
|
|
DOMAnimatedString(nsSVGString* aVal, SVGElement* aSVGElement)
|
|
: mozilla::dom::SVGAnimatedString(aSVGElement), mVal(aVal) {}
|
|
|
|
nsSVGString* mVal; // kept alive because it belongs to content
|
|
|
|
void GetBaseVal(nsAString& aResult) override {
|
|
mVal->GetBaseValue(aResult, mSVGElement);
|
|
}
|
|
|
|
void SetBaseVal(const nsAString& aValue) override {
|
|
mVal->SetBaseValue(aValue, mSVGElement, true);
|
|
}
|
|
|
|
void GetAnimVal(nsAString& aResult) override {
|
|
mSVGElement->FlushAnimations();
|
|
mVal->GetAnimValue(aResult, mSVGElement);
|
|
}
|
|
|
|
private:
|
|
virtual ~DOMAnimatedString();
|
|
};
|
|
struct SMILString : public nsISMILAttr {
|
|
public:
|
|
SMILString(nsSVGString* 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.
|
|
nsSVGString* 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;
|
|
};
|
|
};
|
|
#endif //__NS_SVGSTRING_H__
|