зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
2.7 KiB
C++
100 строки
2.7 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/HTMLBRElement.h"
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#include "mozilla/dom/HTMLBRElementBinding.h"
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#include "nsAttrValueInlines.h"
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#include "nsStyleConsts.h"
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#include "nsMappedAttributes.h"
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#include "nsRuleData.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
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namespace mozilla {
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namespace dom {
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HTMLBRElement::HTMLBRElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo)
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{
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}
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HTMLBRElement::~HTMLBRElement()
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{
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}
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NS_IMPL_ELEMENT_CLONE(HTMLBRElement)
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static const nsAttrValue::EnumTable kClearTable[] = {
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{ "left", NS_STYLE_CLEAR_LEFT },
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{ "right", NS_STYLE_CLEAR_RIGHT },
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{ "all", NS_STYLE_CLEAR_BOTH },
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{ "both", NS_STYLE_CLEAR_BOTH },
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{ 0 }
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};
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bool
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HTMLBRElement::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 (aAttribute == nsGkAtoms::clear && aNamespaceID == kNameSpaceID_None) {
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return aResult.ParseEnumValue(aValue, kClearTable, false);
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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void
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HTMLBRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
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nsCSSValue* clear = aData->ValueForClear();
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if (clear->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::clear);
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if (value && value->Type() == nsAttrValue::eEnum)
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clear->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLBRElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::clear },
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{ nullptr }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLBRElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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JSObject*
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HTMLBRElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLBRElementBinding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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