mirror of
https://github.com/classilla/tenfourfox.git
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307 lines
8.6 KiB
C++
307 lines
8.6 KiB
C++
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/* -*- 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/Element.h"
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#include "mozilla/dom/SVGStyleElement.h"
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#include "nsContentUtils.h"
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#include "mozilla/dom/SVGStyleElementBinding.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Style)
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namespace mozilla {
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namespace dom {
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JSObject*
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SVGStyleElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGStyleElementBinding::Wrap(aCx, this, aGivenProto);
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}
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_IMPL_ADDREF_INHERITED(SVGStyleElement, SVGStyleElementBase)
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NS_IMPL_RELEASE_INHERITED(SVGStyleElement, SVGStyleElementBase)
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(SVGStyleElement)
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NS_INTERFACE_TABLE_INHERITED(SVGStyleElement,
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nsIStyleSheetLinkingElement,
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nsIMutationObserver)
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NS_INTERFACE_TABLE_TAIL_INHERITING(SVGStyleElementBase)
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NS_IMPL_CYCLE_COLLECTION_CLASS(SVGStyleElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(SVGStyleElement,
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SVGStyleElementBase)
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tmp->nsStyleLinkElement::Traverse(cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(SVGStyleElement,
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SVGStyleElementBase)
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tmp->nsStyleLinkElement::Unlink();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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//----------------------------------------------------------------------
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// Implementation
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SVGStyleElement::SVGStyleElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: SVGStyleElementBase(aNodeInfo)
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{
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AddMutationObserver(this);
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}
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SVGStyleElement::~SVGStyleElement()
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{
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}
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//----------------------------------------------------------------------
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// nsIDOMNode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGStyleElement)
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//----------------------------------------------------------------------
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// nsIContent methods
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nsresult
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SVGStyleElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers)
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{
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nsresult rv = SVGStyleElementBase::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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void (SVGStyleElement::*update)() = &SVGStyleElement::UpdateStyleSheetInternal;
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nsContentUtils::AddScriptRunner(NS_NewRunnableMethod(this, update));
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return rv;
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}
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void
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SVGStyleElement::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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nsCOMPtr<nsIDocument> oldDoc = GetUncomposedDoc();
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ShadowRoot* oldShadow = GetContainingShadow();
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SVGStyleElementBase::UnbindFromTree(aDeep, aNullParent);
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UpdateStyleSheetInternal(oldDoc, oldShadow);
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}
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nsresult
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SVGStyleElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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nsIAtom* aPrefix, const nsAString& aValue,
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bool aNotify)
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{
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nsresult rv = SVGStyleElementBase::SetAttr(aNameSpaceID, aName, aPrefix,
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aValue, aNotify);
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if (NS_SUCCEEDED(rv) && aNameSpaceID == kNameSpaceID_None) {
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if (aName == nsGkAtoms::title ||
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aName == nsGkAtoms::media ||
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aName == nsGkAtoms::type) {
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UpdateStyleSheetInternal(nullptr, nullptr, true);
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} else if (aName == nsGkAtoms::scoped) {
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UpdateStyleSheetScopedness(true);
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}
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}
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return rv;
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}
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nsresult
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SVGStyleElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
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bool aNotify)
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{
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nsresult rv = SVGStyleElementBase::UnsetAttr(aNameSpaceID, aAttribute,
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aNotify);
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if (NS_SUCCEEDED(rv) && aNameSpaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::title ||
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aAttribute == nsGkAtoms::media ||
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aAttribute == nsGkAtoms::type) {
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UpdateStyleSheetInternal(nullptr, nullptr, true);
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} else if (aAttribute == nsGkAtoms::scoped) {
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UpdateStyleSheetScopedness(false);
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}
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}
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return rv;
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}
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bool
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SVGStyleElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (aNamespaceID == kNameSpaceID_None &&
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aAttribute == nsGkAtoms::crossorigin) {
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ParseCORSValue(aValue, aResult);
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return true;
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}
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return SVGStyleElementBase::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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//----------------------------------------------------------------------
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// nsIMutationObserver methods
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void
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SVGStyleElement::CharacterDataChanged(nsIDocument* aDocument,
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nsIContent* aContent,
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CharacterDataChangeInfo* aInfo)
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{
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ContentChanged(aContent);
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}
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void
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SVGStyleElement::ContentAppended(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aFirstNewContent,
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int32_t aNewIndexInContainer)
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{
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ContentChanged(aContainer);
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}
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void
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SVGStyleElement::ContentInserted(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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int32_t aIndexInContainer)
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{
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ContentChanged(aChild);
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}
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void
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SVGStyleElement::ContentRemoved(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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int32_t aIndexInContainer,
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nsIContent* aPreviousSibling)
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{
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ContentChanged(aChild);
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}
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void
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SVGStyleElement::ContentChanged(nsIContent* aContent)
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{
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if (nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
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UpdateStyleSheetInternal(nullptr, nullptr);
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}
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}
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//----------------------------------------------------------------------
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void
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SVGStyleElement::GetXmlspace(nsAString & aXmlspace)
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{
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GetAttr(kNameSpaceID_XML, nsGkAtoms::space, aXmlspace);
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}
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void
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SVGStyleElement::SetXmlspace(const nsAString & aXmlspace, ErrorResult& rv)
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{
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rv = SetAttr(kNameSpaceID_XML, nsGkAtoms::space, aXmlspace, true);
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}
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void
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SVGStyleElement::GetMedia(nsAString & aMedia)
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{
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GetAttr(kNameSpaceID_None, nsGkAtoms::media, aMedia);
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}
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void
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SVGStyleElement::SetMedia(const nsAString& aMedia, ErrorResult& rv)
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{
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rv = SetAttr(kNameSpaceID_None, nsGkAtoms::media, aMedia, true);
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}
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bool
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SVGStyleElement::Scoped() const
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{
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return GetBoolAttr(nsGkAtoms::scoped);
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}
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void
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SVGStyleElement::SetScoped(bool aScoped, ErrorResult& rv)
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{
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rv = SetBoolAttr(nsGkAtoms::scoped, aScoped);
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}
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void
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SVGStyleElement::GetType(nsAString & aType)
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{
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GetAttr(kNameSpaceID_None, nsGkAtoms::type, aType);
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}
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void
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SVGStyleElement::SetType(const nsAString& aType, ErrorResult& rv)
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{
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rv = SetAttr(kNameSpaceID_None, nsGkAtoms::type, aType, true);
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}
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void
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SVGStyleElement::GetTitle(nsAString & aTitle)
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{
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GetAttr(kNameSpaceID_None, nsGkAtoms::title, aTitle);
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}
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void
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SVGStyleElement::SetTitle(const nsAString& aTitle, ErrorResult& rv)
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{
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rv = SetAttr(kNameSpaceID_None, nsGkAtoms::title, aTitle, true);
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}
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//----------------------------------------------------------------------
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// nsStyleLinkElement methods
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already_AddRefed<nsIURI>
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SVGStyleElement::GetStyleSheetURL(bool* aIsInline)
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{
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*aIsInline = true;
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return nullptr;
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}
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void
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SVGStyleElement::GetStyleSheetInfo(nsAString& aTitle,
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nsAString& aType,
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nsAString& aMedia,
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bool* aIsScoped,
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bool* aIsAlternate)
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{
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*aIsAlternate = false;
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nsAutoString title;
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GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
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title.CompressWhitespace();
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aTitle.Assign(title);
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GetAttr(kNameSpaceID_None, nsGkAtoms::media, aMedia);
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// The SVG spec is formulated in terms of the CSS2 spec,
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// which specifies that media queries are case insensitive.
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nsContentUtils::ASCIIToLower(aMedia);
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GetAttr(kNameSpaceID_None, nsGkAtoms::type, aType);
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if (aType.IsEmpty()) {
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aType.AssignLiteral("text/css");
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}
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*aIsScoped = HasAttr(kNameSpaceID_None, nsGkAtoms::scoped);
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return;
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}
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CORSMode
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SVGStyleElement::GetCORSMode() const
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{
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return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin));
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}
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} // namespace dom
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} // namespace mozilla
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