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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/SVGPreserveAspectRatio.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/SVGPreserveAspectRatio.h')
-rw-r--r-- | dom/svg/SVGPreserveAspectRatio.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/dom/svg/SVGPreserveAspectRatio.h b/dom/svg/SVGPreserveAspectRatio.h new file mode 100644 index 0000000000..7bcc724e07 --- /dev/null +++ b/dom/svg/SVGPreserveAspectRatio.h @@ -0,0 +1,115 @@ +/* -*- 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_SVGPRESERVEASPECTRATIO_H_ +#define DOM_SVG_SVGPRESERVEASPECTRATIO_H_ + +#include "mozilla/dom/SVGPreserveAspectRatioBinding.h" +#include "mozilla/HashFunctions.h" // for HashGeneric + +#include "nsWrapperCache.h" +#include "nsCycleCollectionParticipant.h" +#include "mozilla/dom/SVGElement.h" + +namespace mozilla { +class ErrorResult; + +// These constants represent the range of valid enum values for the <align> +// parameter. They exclude the sentinel _UNKNOWN value. +const uint16_t SVG_ALIGN_MIN_VALID = + dom::SVGPreserveAspectRatio_Binding::SVG_PRESERVEASPECTRATIO_NONE; +const uint16_t SVG_ALIGN_MAX_VALID = + dom::SVGPreserveAspectRatio_Binding::SVG_PRESERVEASPECTRATIO_XMAXYMAX; + +// These constants represent the range of valid enum values for the +// <meetOrSlice> parameter. They exclude the sentinel _UNKNOWN value. +const uint16_t SVG_MEETORSLICE_MIN_VALID = + dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_MEET; +const uint16_t SVG_MEETORSLICE_MAX_VALID = + dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_SLICE; + +class SVGAnimatedPreserveAspectRatio; + +class SVGPreserveAspectRatio final { + friend class SVGAnimatedPreserveAspectRatio; + + public: + explicit SVGPreserveAspectRatio() + : mAlign(dom::SVGPreserveAspectRatio_Binding:: + SVG_PRESERVEASPECTRATIO_UNKNOWN), + mMeetOrSlice( + dom::SVGPreserveAspectRatio_Binding::SVG_MEETORSLICE_UNKNOWN) {} + + SVGPreserveAspectRatio(uint8_t aAlign, uint8_t aMeetOrSlice) + : mAlign(aAlign), mMeetOrSlice(aMeetOrSlice) {} + + static nsresult FromString(const nsAString& aString, + SVGPreserveAspectRatio* aValue); + void ToString(nsAString& aValueAsString) const; + + bool operator==(const SVGPreserveAspectRatio& aOther) const; + + nsresult SetAlign(uint16_t aAlign) { + if (aAlign < SVG_ALIGN_MIN_VALID || aAlign > SVG_ALIGN_MAX_VALID) + return NS_ERROR_FAILURE; + mAlign = static_cast<uint8_t>(aAlign); + return NS_OK; + } + + auto GetAlign() const { return mAlign; } + + nsresult SetMeetOrSlice(uint16_t aMeetOrSlice) { + if (aMeetOrSlice < SVG_MEETORSLICE_MIN_VALID || + aMeetOrSlice > SVG_MEETORSLICE_MAX_VALID) + return NS_ERROR_FAILURE; + mMeetOrSlice = static_cast<uint8_t>(aMeetOrSlice); + return NS_OK; + } + + auto GetMeetOrSlice() const { return mMeetOrSlice; } + + PLDHashNumber Hash() const { return HashGeneric(mAlign, mMeetOrSlice); } + + private: + // We can't use enum types here because some compilers fail to pack them. + uint8_t mAlign; + uint8_t mMeetOrSlice; +}; + +namespace dom { + +class DOMSVGPreserveAspectRatio final : public nsWrapperCache { + public: + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMSVGPreserveAspectRatio) + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMSVGPreserveAspectRatio) + + DOMSVGPreserveAspectRatio(SVGAnimatedPreserveAspectRatio* aVal, + SVGElement* aSVGElement, bool aIsBaseValue) + : mVal(aVal), mSVGElement(aSVGElement), mIsBaseValue(aIsBaseValue) {} + + // WebIDL + SVGElement* GetParentObject() const { return mSVGElement; } + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + uint16_t Align(); + void SetAlign(uint16_t aAlign, ErrorResult& rv); + uint16_t MeetOrSlice(); + void SetMeetOrSlice(uint16_t aMeetOrSlice, ErrorResult& rv); + + protected: + ~DOMSVGPreserveAspectRatio(); + + SVGAnimatedPreserveAspectRatio* + mVal; // kept alive because it belongs to mSVGElement + RefPtr<SVGElement> mSVGElement; + const bool mIsBaseValue; +}; + +} // namespace dom +} // namespace mozilla + +#endif // DOM_SVG_SVGPRESERVEASPECTRATIO_H_ |