gecko-dev/dom/html/HTMLPreElement.cpp

94 строки
2.5 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/dom/HTMLPreElement.h"
#include "mozilla/dom/HTMLPreElementBinding.h"
#include "nsAttrValueInlines.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsMappedAttributes.h"
#include "nsRuleData.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Pre)
namespace mozilla {
namespace dom {
HTMLPreElement::~HTMLPreElement()
{
}
NS_IMPL_ISUPPORTS_INHERITED(HTMLPreElement, nsGenericHTMLElement,
nsIDOMHTMLPreElement)
NS_IMPL_ELEMENT_CLONE(HTMLPreElement)
NS_IMPL_INT_ATTR(HTMLPreElement, Width, width)
bool
HTMLPreElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseIntWithBounds(aValue, 0);
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
void
HTMLPreElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
nsCSSValue* whiteSpace = aData->ValueForWhiteSpace();
if (whiteSpace->GetUnit() == eCSSUnit_Null) {
// wrap: empty
if (aAttributes->GetAttr(nsGkAtoms::wrap))
whiteSpace->SetIntValue(NS_STYLE_WHITESPACE_PRE_WRAP, eCSSUnit_Enumerated);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLPreElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
static const MappedAttributeEntry attributes[] = {
{ &nsGkAtoms::wrap },
{ nullptr },
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc
HTMLPreElement::GetAttributeMappingFunction() const
{
return &MapAttributesIntoRule;
}
JSObject*
HTMLPreElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLPreElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla