layout/style/ServoElementSnapshot.cpp
author Emilio Cobos Álvarez <ecoal95@gmail.com>
Mon, 01 Aug 2016 10:34:00 -0700
changeset 333869 f572c7858103dd68d0319722281d12d95d64f207
parent 333770 7b09464eb767fdab939801b9d79b4fdaad16e26d
child 352300 7c852ac4acf83d5d1776e98a6af36193bd97a9e5
permissions -rw-r--r--
Bug 1290335: stylo: Assert the snapshot is taken in ServoRestyleManager::AttributeChanged. r=heycam Also fixes an embarrassing typo in the implementation of ServoElementSnapshot::AddAttrs. MozReview-Commit-ID: 7LHZVLo6j60

/* -*- 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(Element* aElement)
  : mContains(Flags(0))
  , mState(0)
  , mExplicitRestyleHint(nsRestyleHint(0))
  , mExplicitChangeHint(nsChangeHint(0))
{
  mIsHTMLElementInHTMLDocument =
    aElement->IsHTMLElement() && aElement->IsInHTMLDocument();
  mIsInChromeDocument =
    nsContentUtils::IsChromeDoc(aElement->OwnerDoc());
}

void
ServoElementSnapshot::AddAttrs(Element* aElement)
{
  MOZ_ASSERT(aElement);

  if (HasAny(Flags::Attributes)) {
    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;
}

} // namespace mozilla