gecko-dev/dom/svg/SVGForeignObjectElement.cpp

166 строки
5.1 KiB
C++

/* -*- 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/. */
#include "mozilla/ArrayUtils.h"
#include "nsCOMPtr.h"
#include "mozilla/dom/SVGDocument.h"
#include "mozilla/dom/SVGForeignObjectElement.h"
#include "mozilla/dom/SVGForeignObjectElementBinding.h"
NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(ForeignObject)
namespace mozilla {
namespace dom {
JSObject*
SVGForeignObjectElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return SVGForeignObjectElementBinding::Wrap(aCx, this, aGivenProto);
}
nsSVGElement::LengthInfo SVGForeignObjectElement::sLengthInfo[4] =
{
{ &nsGkAtoms::x, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
{ &nsGkAtoms::y, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
{ &nsGkAtoms::width, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
{ &nsGkAtoms::height, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
};
//----------------------------------------------------------------------
// Implementation
SVGForeignObjectElement::SVGForeignObjectElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: SVGGraphicsElement(aNodeInfo)
{
}
//----------------------------------------------------------------------
// nsIDOMNode methods
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGForeignObjectElement)
//----------------------------------------------------------------------
already_AddRefed<SVGAnimatedLength>
SVGForeignObjectElement::X()
{
return mLengthAttributes[ATTR_X].ToDOMAnimatedLength(this);
}
already_AddRefed<SVGAnimatedLength>
SVGForeignObjectElement::Y()
{
return mLengthAttributes[ATTR_Y].ToDOMAnimatedLength(this);
}
already_AddRefed<SVGAnimatedLength>
SVGForeignObjectElement::Width()
{
return mLengthAttributes[ATTR_WIDTH].ToDOMAnimatedLength(this);
}
already_AddRefed<SVGAnimatedLength>
SVGForeignObjectElement::Height()
{
return mLengthAttributes[ATTR_HEIGHT].ToDOMAnimatedLength(this);
}
//----------------------------------------------------------------------
// nsSVGElement methods
/* virtual */ gfxMatrix
SVGForeignObjectElement::PrependLocalTransformsTo(
const gfxMatrix &aMatrix, SVGTransformTypes aWhich) const
{
// 'transform' attribute:
gfxMatrix fromUserSpace =
SVGGraphicsElement::PrependLocalTransformsTo(aMatrix, aWhich);
if (aWhich == eUserSpaceToParent) {
return fromUserSpace;
}
// our 'x' and 'y' attributes:
float x, y;
const_cast<SVGForeignObjectElement*>(this)->
GetAnimatedLengthValues(&x, &y, nullptr);
gfxMatrix toUserSpace = gfxMatrix::Translation(x, y);
if (aWhich == eChildToUserSpace) {
return toUserSpace * aMatrix;
}
MOZ_ASSERT(aWhich == eAllTransforms, "Unknown TransformTypes");
return toUserSpace * fromUserSpace;
}
/* virtual */ bool
SVGForeignObjectElement::HasValidDimensions() const
{
return mLengthAttributes[ATTR_WIDTH].IsExplicitlySet() &&
mLengthAttributes[ATTR_WIDTH].GetAnimValInSpecifiedUnits() > 0 &&
mLengthAttributes[ATTR_HEIGHT].IsExplicitlySet() &&
mLengthAttributes[ATTR_HEIGHT].GetAnimValInSpecifiedUnits() > 0;
}
//----------------------------------------------------------------------
// nsIContent methods
nsresult
SVGForeignObjectElement::BindToTree(nsIDocument* aDocument,
nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers)
{
nsresult rv = SVGGraphicsElement::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
nsIDocument* doc = GetComposedDoc();
if (doc && doc->IsSVGDocument()) {
// We assume that we're going to have HTML content, so we ensure that the
// UA style sheets that nsDocumentViewer::CreateStyleSet skipped when
// it saw the document was an SVG document are loaded.
//
// We setup these style sheets during binding, not element construction,
// because elements can be moved from the document that creates them to
// another document.
doc->AsSVGDocument()->EnsureNonSVGUserAgentStyleSheetsLoaded();
}
return rv;
}
NS_IMETHODIMP_(bool)
SVGForeignObjectElement::IsAttributeMapped(const nsIAtom* name) const
{
static const MappedAttributeEntry* const map[] = {
sFEFloodMap,
sFiltersMap,
sFontSpecificationMap,
sGradientStopMap,
sLightingEffectsMap,
sMarkersMap,
sTextContentElementsMap,
sViewportsMap
};
return FindAttributeDependence(name, map) ||
SVGGraphicsElement::IsAttributeMapped(name);
}
//----------------------------------------------------------------------
// nsSVGElement methods
nsSVGElement::LengthAttributesInfo
SVGForeignObjectElement::GetLengthInfo()
{
return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
ArrayLength(sLengthInfo));
}
} // namespace dom
} // namespace mozilla