third_party/WebKit/Source/core/dom/StyleSheetCollection.cpp

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 *           (C) 2001 Dirk Mueller (mueller@kde.org)
 *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
 * rights reserved.
 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
 * (http://www.torchmobile.com/)
 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "core/dom/StyleSheetCollection.h"

#include "core/css/CSSStyleSheet.h"
#include "core/css/RuleSet.h"

namespace blink {

StyleSheetCollection::StyleSheetCollection() {}

void StyleSheetCollection::dispose() {
  m_styleSheetsForStyleSheetList.clear();
  m_activeAuthorStyleSheets.clear();
}

void StyleSheetCollection::swap(StyleSheetCollection& other) {
  ::blink::swap(m_styleSheetsForStyleSheetList,
                other.m_styleSheetsForStyleSheetList, this, &other);
  m_activeAuthorStyleSheets.swap(other.m_activeAuthorStyleSheets);
}

void StyleSheetCollection::swapSheetsForSheetList(
    HeapVector<Member<StyleSheet>>& sheets) {
  // Only called for collection of HTML Imports that never has active sheets.
  DCHECK(m_activeAuthorStyleSheets.isEmpty());
  ::blink::swap(m_styleSheetsForStyleSheetList, sheets, this);
}

void StyleSheetCollection::appendActiveStyleSheet(
    const ActiveStyleSheet& activeSheet) {
  m_activeAuthorStyleSheets.append(activeSheet);
}

void StyleSheetCollection::appendSheetForList(StyleSheet* sheet) {
  m_styleSheetsForStyleSheetList.append(
      TraceWrapperMember<StyleSheet>(this, sheet));
}

DEFINE_TRACE(StyleSheetCollection) {
  visitor->trace(m_activeAuthorStyleSheets);
  visitor->trace(m_styleSheetsForStyleSheetList);
}

DEFINE_TRACE_WRAPPERS(StyleSheetCollection) {
  for (auto sheet : m_styleSheetsForStyleSheetList) {
    visitor->traceWrappers(sheet);
  }
}

}  // namespace blink