зеркало из https://github.com/mozilla/gecko-dev.git
157 строки
5.3 KiB
C++
157 строки
5.3 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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#include "mozilla/dom/SVGForeignObjectElement.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/dom/SVGDocument.h"
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#include "mozilla/dom/SVGForeignObjectElementBinding.h"
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#include "mozilla/dom/SVGLengthBinding.h"
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#include "SVGGeometryProperty.h"
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NS_IMPL_NS_NEW_SVG_ELEMENT(ForeignObject)
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namespace mozilla {
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namespace dom {
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JSObject* SVGForeignObjectElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return SVGForeignObjectElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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SVGElement::LengthInfo SVGForeignObjectElement::sLengthInfo[4] = {
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{nsGkAtoms::x, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
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SVGContentUtils::X},
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{nsGkAtoms::y, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
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SVGContentUtils::Y},
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{nsGkAtoms::width, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
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SVGContentUtils::X},
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{nsGkAtoms::height, 0, SVGLength_Binding::SVG_LENGTHTYPE_NUMBER,
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SVGContentUtils::Y},
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};
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//----------------------------------------------------------------------
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// Implementation
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SVGForeignObjectElement::SVGForeignObjectElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: SVGGraphicsElement(std::move(aNodeInfo)) {}
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namespace SVGT = SVGGeometryProperty::Tags;
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//----------------------------------------------------------------------
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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGForeignObjectElement)
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//----------------------------------------------------------------------
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already_AddRefed<DOMSVGAnimatedLength> SVGForeignObjectElement::X() {
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return mLengthAttributes[ATTR_X].ToDOMAnimatedLength(this);
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}
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already_AddRefed<DOMSVGAnimatedLength> SVGForeignObjectElement::Y() {
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return mLengthAttributes[ATTR_Y].ToDOMAnimatedLength(this);
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}
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already_AddRefed<DOMSVGAnimatedLength> SVGForeignObjectElement::Width() {
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return mLengthAttributes[ATTR_WIDTH].ToDOMAnimatedLength(this);
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}
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already_AddRefed<DOMSVGAnimatedLength> SVGForeignObjectElement::Height() {
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return mLengthAttributes[ATTR_HEIGHT].ToDOMAnimatedLength(this);
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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/* virtual */
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gfxMatrix SVGForeignObjectElement::PrependLocalTransformsTo(
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const gfxMatrix& aMatrix, SVGTransformTypes aWhich) const {
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// 'transform' attribute:
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gfxMatrix fromUserSpace =
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SVGGraphicsElement::PrependLocalTransformsTo(aMatrix, aWhich);
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if (aWhich == eUserSpaceToParent) {
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return fromUserSpace;
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}
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// our 'x' and 'y' attributes:
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float x, y;
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if (GetPrimaryFrame()) {
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SVGGeometryProperty::ResolveAll<SVGT::X, SVGT::Y>(this, &x, &y);
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} else {
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// This function might be called for element in display:none subtree
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// (e.g. getScreenCTM), we fall back to use SVG attributes.
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const_cast<SVGForeignObjectElement*>(this)->GetAnimatedLengthValues(
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&x, &y, nullptr);
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}
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gfxMatrix toUserSpace = gfxMatrix::Translation(x, y);
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if (aWhich == eChildToUserSpace) {
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return toUserSpace * aMatrix;
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}
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MOZ_ASSERT(aWhich == eAllTransforms, "Unknown TransformTypes");
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return toUserSpace * fromUserSpace;
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}
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/* virtual */
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bool SVGForeignObjectElement::HasValidDimensions() const {
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float width, height;
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MOZ_ASSERT(GetPrimaryFrame());
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SVGGeometryProperty::ResolveAll<SVGT::Width, SVGT::Height>(
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const_cast<SVGForeignObjectElement*>(this), &width, &height);
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return width > 0 && height > 0;
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}
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//----------------------------------------------------------------------
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// nsIContent methods
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NS_IMETHODIMP_(bool)
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SVGForeignObjectElement::IsAttributeMapped(const nsAtom* name) const {
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static const MappedAttributeEntry* const map[] = {sFEFloodMap,
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sFiltersMap,
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sFontSpecificationMap,
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sGradientStopMap,
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sLightingEffectsMap,
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sMarkersMap,
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sTextContentElementsMap,
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sViewportsMap};
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return IsInLengthInfo(name, sLengthInfo) ||
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FindAttributeDependence(name, map) ||
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SVGGraphicsElement::IsAttributeMapped(name);
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}
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//----------------------------------------------------------------------
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// SVGElement methods
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SVGElement::LengthAttributesInfo SVGForeignObjectElement::GetLengthInfo() {
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return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
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ArrayLength(sLengthInfo));
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}
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nsCSSPropertyID SVGForeignObjectElement::GetCSSPropertyIdForAttrEnum(
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uint8_t aAttrEnum) {
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switch (aAttrEnum) {
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case ATTR_X:
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return eCSSProperty_x;
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case ATTR_Y:
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return eCSSProperty_y;
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case ATTR_WIDTH:
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return eCSSProperty_width;
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case ATTR_HEIGHT:
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return eCSSProperty_height;
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default:
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MOZ_ASSERT_UNREACHABLE("Unknown attr enum");
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return eCSSProperty_UNKNOWN;
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}
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}
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} // namespace dom
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} // namespace mozilla
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