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Diffstat (limited to 'dom/svg/SVGImageElement.h')
-rw-r--r-- | dom/svg/SVGImageElement.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/dom/svg/SVGImageElement.h b/dom/svg/SVGImageElement.h new file mode 100644 index 0000000000..880ba5d457 --- /dev/null +++ b/dom/svg/SVGImageElement.h @@ -0,0 +1,129 @@ +/* -*- 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_SVGIMAGEELEMENT_H_ +#define DOM_SVG_SVGIMAGEELEMENT_H_ + +#include "nsImageLoadingContent.h" +#include "mozilla/dom/SVGAnimatedLength.h" +#include "mozilla/dom/SVGAnimatedString.h" +#include "mozilla/dom/SVGGeometryElement.h" +#include "mozilla/dom/SVGAnimatedPreserveAspectRatio.h" +#include "mozilla/gfx/2D.h" + +nsresult NS_NewSVGImageElement( + nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); + +namespace mozilla { +class SVGImageFrame; + +namespace dom { +class DOMSVGAnimatedPreserveAspectRatio; + +using SVGImageElementBase = SVGGraphicsElement; + +class SVGImageElement final : public SVGImageElementBase, + public nsImageLoadingContent { + friend class mozilla::SVGImageFrame; + + protected: + explicit SVGImageElement( + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); + virtual ~SVGImageElement(); + JSObject* WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + friend nsresult(::NS_NewSVGImageElement( + nsIContent** aResult, + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)); + + public: + // interfaces: + + NS_DECL_ISUPPORTS_INHERITED + + // EventTarget + void AsyncEventRunning(AsyncEventDispatcher* aEvent) override; + + // nsImageLoadingContent interface + CORSMode GetCORSMode() override; + + // nsIContent interface + bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute, + const nsAString& aValue, + nsIPrincipal* aMaybeScriptedPrincipal, + nsAttrValue& aResult) override; + void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName, + const nsAttrValue* aValue, const nsAttrValue* aOldValue, + nsIPrincipal* aSubjectPrincipal, bool aNotify) override; + + nsresult BindToTree(BindContext&, nsINode& aParent) override; + void UnbindFromTree(bool aNullParent) override; + + void DestroyContent() override; + + NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override; + + // SVGSVGElement methods: + bool HasValidDimensions() const override; + + nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override; + + void MaybeLoadSVGImage(); + + // WebIDL + already_AddRefed<DOMSVGAnimatedLength> X(); + already_AddRefed<DOMSVGAnimatedLength> Y(); + already_AddRefed<DOMSVGAnimatedLength> Width(); + already_AddRefed<DOMSVGAnimatedLength> Height(); + already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio(); + already_AddRefed<DOMSVGAnimatedString> Href(); + void GetCrossOrigin(nsAString& aCrossOrigin) { + // Null for both missing and invalid defaults is ok, since we + // always parse to an enum value, so we don't need an invalid + // default, and we _want_ the missing default to be null. + GetEnumAttr(nsGkAtoms::crossorigin, nullptr, aCrossOrigin); + } + void SetCrossOrigin(const nsAString& aCrossOrigin, ErrorResult& aError) { + SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError); + } + + void SetDecoding(const nsAString& aDecoding, ErrorResult& aError) { + SetAttr(nsGkAtoms::decoding, aDecoding, aError); + } + void GetDecoding(nsAString& aValue); + + already_AddRefed<Promise> Decode(ErrorResult& aRv); + + static nsCSSPropertyID GetCSSPropertyIdForAttrEnum(uint8_t aAttrEnum); + + gfx::Rect GeometryBounds(const gfx::Matrix& aToBoundsSpace); + + protected: + nsresult LoadSVGImage(bool aForce, bool aNotify); + bool ShouldLoadImage() const; + + LengthAttributesInfo GetLengthInfo() override; + SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio() override; + StringAttributesInfo GetStringInfo() override; + + // Override for nsImageLoadingContent. + nsIContent* AsContent() override { return this; } + + enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT }; + SVGAnimatedLength mLengthAttributes[4]; + static LengthInfo sLengthInfo[4]; + + SVGAnimatedPreserveAspectRatio mPreserveAspectRatio; + + enum { HREF, XLINK_HREF }; + SVGAnimatedString mStringAttributes[2]; + static StringInfo sStringInfo[2]; +}; + +} // namespace dom +} // namespace mozilla + +#endif // DOM_SVG_SVGIMAGEELEMENT_H_ |