layout/style/DocumentStyleRootIterator.cpp
author Xianzhu Wang <wangxianzhu@chromium.org>
Tue, 05 Mar 2019 12:18:01 +0000
changeset 464575 4325ba7b38576495a78289c2a8f4dff391922e66
parent 452446 f0a91d36587266d7454a450c6044d573664fbed5
permissions -rw-r--r--
Bug 1529059 [wpt PR 15420] - [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect, a=testonly Automatic update from web-platform-tests [BlinkGenPropertyTrees] Initiailize double_sided of synthetic effect Previously synthetic effects always had double_sided==false, causing the layer disappear when the backface was facing forward. Bug: 928190 Change-Id: I35534b40346d5c5918bc99c00a4ca6b4e3b68796 Reviewed-on: https://chromium-review.googlesource.com/c/1475815 Reviewed-by: Philip Rogers <pdr@chromium.org> Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Cr-Commit-Position: refs/heads/master@{#632764} -- wpt-commits: a89467050deaf1dcbd9140a2f0670b1b85e518ee wpt-pr: 15420

/* -*- 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 "DocumentStyleRootIterator.h"

#include "mozilla/dom/Element.h"
#include "nsContentUtils.h"

namespace mozilla {

DocumentStyleRootIterator::DocumentStyleRootIterator(nsINode* aStyleRoot)
    : mPosition(0) {
  MOZ_COUNT_CTOR(DocumentStyleRootIterator);
  MOZ_ASSERT(aStyleRoot);
  if (aStyleRoot->IsElement()) {
    mStyleRoots.AppendElement(aStyleRoot->AsElement());
    return;
  }

  dom::Document* doc = aStyleRoot->OwnerDoc();
  MOZ_ASSERT(doc == aStyleRoot);
  if (Element* root = doc->GetRootElement()) {
    mStyleRoots.AppendElement(root);
  }
  nsContentUtils::AppendDocumentLevelNativeAnonymousContentTo(doc, mStyleRoots);
}

Element* DocumentStyleRootIterator::GetNextStyleRoot() {
  for (;;) {
    if (mPosition >= mStyleRoots.Length()) {
      return nullptr;
    }

    nsIContent* next = mStyleRoots[mPosition];
    ++mPosition;

    if (next->IsElement()) {
      return next->AsElement();
    }
  }
}

}  // namespace mozilla