gecko-dev/layout/style/ServoElementSnapshot.cpp

57 строки
1.5 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/ServoElementSnapshot.h"
#include "mozilla/dom/Element.h"
#include "nsIContentInlines.h"
#include "nsContentUtils.h"
namespace mozilla {
ServoElementSnapshot::ServoElementSnapshot(const Element* aElement)
: mState(0)
, mContains(Flags(0))
{
MOZ_COUNT_CTOR(ServoElementSnapshot);
mIsHTMLElementInHTMLDocument =
aElement->IsHTMLElement() && aElement->IsInHTMLDocument();
mIsInChromeDocument =
nsContentUtils::IsChromeDoc(aElement->OwnerDoc());
}
ServoElementSnapshot::~ServoElementSnapshot()
{
MOZ_COUNT_DTOR(ServoElementSnapshot);
}
void
ServoElementSnapshot::AddAttrs(Element* aElement)
{
MOZ_ASSERT(aElement);
if (HasAttrs()) {
return;
}
uint32_t attrCount = aElement->GetAttrCount();
const nsAttrName* attrName;
for (uint32_t i = 0; i < attrCount; ++i) {
attrName = aElement->GetAttrNameAt(i);
const nsAttrValue* attrValue =
aElement->GetParsedAttr(attrName->LocalName(), attrName->NamespaceID());
mAttrs.AppendElement(ServoAttrSnapshot(*attrName, *attrValue));
}
mContains |= Flags::Attributes;
if (aElement->HasID()) {
mContains |= Flags::Id;
}
if (aElement->MayHaveClass()) {
mContains |= Flags::MaybeClass;
}
}
} // namespace mozilla