gecko-dev/dom/svg/SVGAnimatedLengthList.h
Ehsan Akhgari 883849ee32 Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj
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       ! -wholename "obj-ff-dbg*" \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
2015-03-21 12:28:04 -04:00

128 lines
4.1 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 MOZILLA_SVGANIMATEDLENGTHLIST_H__
#define MOZILLA_SVGANIMATEDLENGTHLIST_H__
#include "mozilla/Attributes.h"
#include "nsAutoPtr.h"
#include "nsISMILAttr.h"
#include "SVGLengthList.h"
class nsSMILValue;
class nsSVGElement;
namespace mozilla {
namespace dom {
class SVGAnimationElement;
}
/**
* Class SVGAnimatedLengthList
*
* This class is very different to the SVG DOM interface of the same name found
* in the SVG specification. This is a lightweight internal class - see
* DOMSVGAnimatedLengthList for the heavier DOM class that wraps instances of
* this class and implements the SVG specification's SVGAnimatedLengthList DOM
* interface.
*
* Except where noted otherwise, this class' methods take care of keeping the
* appropriate DOM wrappers in sync (see the comment in
* DOMSVGAnimatedLengthList::InternalBaseValListWillChangeTo) so that their
* consumers don't need to concern themselves with that.
*/
class SVGAnimatedLengthList
{
// friends so that they can get write access to mBaseVal
friend class DOMSVGLength;
friend class DOMSVGLengthList;
public:
SVGAnimatedLengthList() {}
/**
* Because it's so important that mBaseVal and its DOMSVGLengthList wrapper
* (if any) be kept in sync (see the comment in
* DOMSVGAnimatedLengthList::InternalBaseValListWillChangeTo), this method
* returns a const reference. Only our friend classes may get mutable
* references to mBaseVal.
*/
const SVGLengthList& GetBaseValue() const {
return mBaseVal;
}
nsresult SetBaseValueString(const nsAString& aValue);
void ClearBaseValue(uint32_t aAttrEnum);
const SVGLengthList& GetAnimValue() const {
return mAnimVal ? *mAnimVal : mBaseVal;
}
nsresult SetAnimValue(const SVGLengthList& aValue,
nsSVGElement *aElement,
uint32_t aAttrEnum);
void ClearAnimValue(nsSVGElement *aElement,
uint32_t aAttrEnum);
bool IsAnimating() const {
return !!mAnimVal;
}
/// Callers own the returned nsISMILAttr
nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement, uint8_t aAttrEnum,
uint8_t aAxis, bool aCanZeroPadList);
private:
// mAnimVal is a pointer to allow us to determine if we're being animated or
// not. Making it a non-pointer member and using mAnimVal.IsEmpty() to check
// if we're animating is not an option, since that would break animation *to*
// the empty string (<set to="">).
SVGLengthList mBaseVal;
nsAutoPtr<SVGLengthList> mAnimVal;
struct SMILAnimatedLengthList : public nsISMILAttr
{
public:
SMILAnimatedLengthList(SVGAnimatedLengthList* aVal,
nsSVGElement* aSVGElement,
uint8_t aAttrEnum,
uint8_t aAxis,
bool aCanZeroPadList)
: mVal(aVal)
, mElement(aSVGElement)
, mAttrEnum(aAttrEnum)
, mAxis(aAxis)
, mCanZeroPadList(aCanZeroPadList)
{}
// 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.
SVGAnimatedLengthList* mVal;
nsSVGElement* mElement;
uint8_t mAttrEnum;
uint8_t mAxis;
bool mCanZeroPadList; // See SVGLengthListAndInfo::CanZeroPadList
// nsISMILAttr methods
virtual nsresult ValueFromString(const nsAString& aStr,
const 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 mozilla
#endif // MOZILLA_SVGANIMATEDLENGTHLIST_H__