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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/svg/SVGAnimatedIntegerPair.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGAnimatedIntegerPair.h')
-rw-r--r-- | dom/svg/SVGAnimatedIntegerPair.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/dom/svg/SVGAnimatedIntegerPair.h b/dom/svg/SVGAnimatedIntegerPair.h new file mode 100644 index 0000000000..41c368cd8c --- /dev/null +++ b/dom/svg/SVGAnimatedIntegerPair.h @@ -0,0 +1,121 @@ +/* -*- 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_SVGANIMATEDINTEGERPAIR_H_ +#define DOM_SVG_SVGANIMATEDINTEGERPAIR_H_ + +#include "DOMSVGAnimatedInteger.h" +#include "nsCycleCollectionParticipant.h" +#include "nsError.h" +#include "mozilla/Attributes.h" +#include "mozilla/SMILAttr.h" +#include "mozilla/UniquePtr.h" + +namespace mozilla { + +class SMILValue; + +namespace dom { +class SVGAnimationElement; +class SVGElement; +} // namespace dom + +class SVGAnimatedIntegerPair { + public: + friend class AutoChangeIntegerPairNotifier; + using SVGElement = dom::SVGElement; + + enum PairIndex { eFirst, eSecond }; + + void Init(uint8_t aAttrEnum = 0xff, int32_t aValue1 = 0, + int32_t aValue2 = 0) { + mAnimVal[0] = mBaseVal[0] = aValue1; + mAnimVal[1] = mBaseVal[1] = aValue2; + mAttrEnum = aAttrEnum; + mIsAnimated = false; + mIsBaseSet = false; + } + + nsresult SetBaseValueString(const nsAString& aValue, SVGElement* aSVGElement); + void GetBaseValueString(nsAString& aValue) const; + + void SetBaseValue(int32_t aValue, PairIndex aPairIndex, + SVGElement* aSVGElement); + void SetBaseValues(int32_t aValue1, int32_t aValue2, SVGElement* aSVGElement); + int32_t GetBaseValue(PairIndex aIndex) const { + return mBaseVal[aIndex == eFirst ? 0 : 1]; + } + void SetAnimValue(const int32_t aValue[2], SVGElement* aSVGElement); + int32_t GetAnimValue(PairIndex aIndex) const { + return mAnimVal[aIndex == eFirst ? 0 : 1]; + } + + // Returns true if the animated value of this integer 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 mIsAnimated || mIsBaseSet; } + + already_AddRefed<dom::DOMSVGAnimatedInteger> ToDOMAnimatedInteger( + PairIndex aIndex, SVGElement* aSVGElement); + UniquePtr<SMILAttr> ToSMILAttr(SVGElement* aSVGElement); + + private: + int32_t mAnimVal[2]; + int32_t mBaseVal[2]; + uint8_t mAttrEnum; // element specified tracking for attribute + bool mIsAnimated; + bool mIsBaseSet; + + public: + struct DOMAnimatedInteger final : public dom::DOMSVGAnimatedInteger { + DOMAnimatedInteger(SVGAnimatedIntegerPair* aVal, PairIndex aIndex, + SVGElement* aSVGElement) + : dom::DOMSVGAnimatedInteger(aSVGElement), mVal(aVal), mIndex(aIndex) {} + virtual ~DOMAnimatedInteger(); + + SVGAnimatedIntegerPair* mVal; // kept alive because it belongs to content + PairIndex mIndex; // are we the first or second integer + + int32_t BaseVal() override { return mVal->GetBaseValue(mIndex); } + void SetBaseVal(int32_t aValue) override { + mVal->SetBaseValue(aValue, mIndex, mSVGElement); + } + + // Script may have modified animation parameters or timeline -- DOM getters + // need to flush any resample requests to reflect these modifications. + int32_t AnimVal() override { + mSVGElement->FlushAnimations(); + return mVal->GetAnimValue(mIndex); + } + }; + + struct SMILIntegerPair : public SMILAttr { + public: + SMILIntegerPair(SVGAnimatedIntegerPair* 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. + SVGAnimatedIntegerPair* mVal; + SVGElement* mSVGElement; + + // SMILAttr methods + nsresult ValueFromString(const nsAString& aStr, + const dom::SVGAnimationElement* aSrcElement, + SMILValue& aValue, + bool& aPreventCachingOfSandwich) const override; + SMILValue GetBaseValue() const override; + void ClearAnimValue() override; + nsresult SetAnimValue(const SMILValue& aValue) override; + }; +}; + +} // namespace mozilla + +#endif // DOM_SVG_SVGANIMATEDINTEGERPAIR_H_ |