mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 22:32:46 +00:00
93 lines
2.7 KiB
C++
93 lines
2.7 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/GeckoBindings.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "nsIContentInlines.h"
|
|
#include "nsContentUtils.h"
|
|
|
|
namespace mozilla {
|
|
|
|
ServoElementSnapshot::ServoElementSnapshot(const Element& aElement)
|
|
: mState(0),
|
|
mContains(Flags(0)),
|
|
mIsTableBorderNonzero(false),
|
|
mIsSelectListBox(false),
|
|
mClassAttributeChanged(false),
|
|
mIdAttributeChanged(false) {
|
|
MOZ_COUNT_CTOR(ServoElementSnapshot);
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mIsInChromeDocument = nsContentUtils::IsChromeDoc(aElement.OwnerDoc());
|
|
mSupportsLangAttr = aElement.SupportsLangAttr();
|
|
}
|
|
|
|
void ServoElementSnapshot::AddOtherPseudoClassState(const Element& aElement) {
|
|
if (HasOtherPseudoClassState()) {
|
|
return;
|
|
}
|
|
|
|
mIsTableBorderNonzero = Gecko_IsTableBorderNonzero(&aElement);
|
|
mIsSelectListBox = Gecko_IsSelectListBox(&aElement);
|
|
|
|
mContains |= Flags::OtherPseudoClassState;
|
|
}
|
|
|
|
void ServoElementSnapshot::AddAttrs(const Element& aElement,
|
|
int32_t aNameSpaceID, nsAtom* aAttribute) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aAttribute == nsGkAtoms::_class) {
|
|
if (mClassAttributeChanged) {
|
|
return;
|
|
}
|
|
mClassAttributeChanged = true;
|
|
} else if (aAttribute == nsGkAtoms::id) {
|
|
if (mIdAttributeChanged) {
|
|
return;
|
|
}
|
|
mIdAttributeChanged = true;
|
|
}
|
|
}
|
|
|
|
if (!mChangedAttrNames.Contains(aAttribute)) {
|
|
mChangedAttrNames.AppendElement(aAttribute);
|
|
}
|
|
|
|
if (HasAttrs()) {
|
|
return;
|
|
}
|
|
|
|
uint32_t attrCount = aElement.GetAttrCount();
|
|
mAttrs.SetCapacity(attrCount);
|
|
for (uint32_t i = 0; i < attrCount; ++i) {
|
|
const BorrowedAttrInfo info = aElement.GetAttrInfoAt(i);
|
|
MOZ_ASSERT(info);
|
|
mAttrs.AppendElement(AttrArray::InternalAttr{*info.mName, *info.mValue});
|
|
}
|
|
|
|
mContains |= Flags::Attributes;
|
|
if (aElement.HasID()) {
|
|
mContains |= Flags::Id;
|
|
}
|
|
|
|
if (const nsAttrValue* classValue = aElement.GetClasses()) {
|
|
// FIXME(emilio): It's pretty unfortunate that this is only relevant for
|
|
// SVG, yet it's a somewhat expensive copy. We should be able to do
|
|
// better!
|
|
mClass = *classValue;
|
|
mContains |= Flags::MaybeClass;
|
|
}
|
|
}
|
|
|
|
void ServoElementSnapshot::AddCustomStates(Element& aElement) {
|
|
if (mContains & Flags::CustomState) {
|
|
return;
|
|
}
|
|
mCustomStates = aElement.EnsureCustomStates().Clone();
|
|
mContains |= Flags::CustomState;
|
|
}
|
|
} // namespace mozilla
|