mirror of
https://github.com/mozilla/gecko-dev.git
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a8939590de
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __NS_SVGNUMBERPAIR_H__
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#define __NS_SVGNUMBERPAIR_H__
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#include "nsAutoPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsError.h"
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#include "nsISMILAttr.h"
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#include "nsMathUtils.h"
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#include "nsSVGElement.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/SVGAnimatedNumber.h"
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#include "mozilla/FloatingPoint.h"
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class nsSMILValue;
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namespace mozilla {
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namespace dom {
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class SVGAnimationElement;
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} // namespace dom
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} // namespace mozilla
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class nsSVGNumberPair
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{
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public:
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enum PairIndex {
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eFirst,
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eSecond
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};
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void Init(uint8_t aAttrEnum = 0xff, float aValue1 = 0, float aValue2 = 0) {
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mAnimVal[0] = mBaseVal[0] = aValue1;
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mAnimVal[1] = mBaseVal[1] = aValue2;
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mAttrEnum = aAttrEnum;
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mIsAnimated = false;
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mIsBaseSet = false;
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}
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nsresult SetBaseValueString(const nsAString& aValue,
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nsSVGElement *aSVGElement);
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void GetBaseValueString(nsAString& aValue) const;
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void SetBaseValue(float aValue, PairIndex aIndex, nsSVGElement *aSVGElement);
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void SetBaseValues(float aValue1, float aValue2, nsSVGElement *aSVGElement);
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float GetBaseValue(PairIndex aIndex) const
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{ return mBaseVal[aIndex == eFirst ? 0 : 1]; }
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void SetAnimValue(const float aValue[2], nsSVGElement *aSVGElement);
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float GetAnimValue(PairIndex aIndex) const
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{ return mAnimVal[aIndex == eFirst ? 0 : 1]; }
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// Returns true if the animated value of this number has been explicitly
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// set (either by animation, or by taking on the base value which has been
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// explicitly set by markup or a DOM call), false otherwise.
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// If this returns false, the animated value is still valid, that is,
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// useable, and represents the default base value of the attribute.
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bool IsExplicitlySet() const
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{ return mIsAnimated || mIsBaseSet; }
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already_AddRefed<mozilla::dom::SVGAnimatedNumber>
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ToDOMAnimatedNumber(PairIndex aIndex,
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nsSVGElement* aSVGElement);
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// Returns a new nsISMILAttr object that the caller must delete
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nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement);
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private:
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float mAnimVal[2];
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float mBaseVal[2];
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uint8_t mAttrEnum; // element specified tracking for attribute
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bool mIsAnimated;
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bool mIsBaseSet;
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public:
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struct DOMAnimatedNumber final : public mozilla::dom::SVGAnimatedNumber
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{
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DOMAnimatedNumber(nsSVGNumberPair* aVal, PairIndex aIndex, nsSVGElement *aSVGElement)
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: mozilla::dom::SVGAnimatedNumber(aSVGElement)
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, mVal(aVal)
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, mIndex(aIndex)
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{}
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virtual ~DOMAnimatedNumber();
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nsSVGNumberPair* mVal; // kept alive because it belongs to content
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PairIndex mIndex; // are we the first or second number
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virtual float BaseVal() override
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{
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return mVal->GetBaseValue(mIndex);
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}
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virtual void SetBaseVal(float aValue) override
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{
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MOZ_ASSERT(mozilla::IsFinite(aValue));
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mVal->SetBaseValue(aValue, mIndex, mSVGElement);
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}
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// Script may have modified animation parameters or timeline -- DOM getters
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// need to flush any resample requests to reflect these modifications.
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virtual float AnimVal() override
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{
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mSVGElement->FlushAnimations();
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return mVal->GetAnimValue(mIndex);
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}
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};
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struct SMILNumberPair : public nsISMILAttr
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{
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public:
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SMILNumberPair(nsSVGNumberPair* aVal, nsSVGElement* aSVGElement)
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: mVal(aVal), mSVGElement(aSVGElement) {}
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// These will stay alive because a nsISMILAttr only lives as long
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// as the Compositing step, and DOM elements don't get a chance to
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// die during that.
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nsSVGNumberPair* mVal;
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nsSVGElement* mSVGElement;
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// nsISMILAttr methods
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virtual nsresult ValueFromString(const nsAString& aStr,
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const mozilla::dom::SVGAnimationElement* aSrcElement,
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nsSMILValue& aValue,
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bool& aPreventCachingOfSandwich) const override;
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virtual nsSMILValue GetBaseValue() const override;
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virtual void ClearAnimValue() override;
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virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
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};
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};
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#endif //__NS_SVGNUMBERPAIR_H__
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