| /* |
| * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2006, 2007, 2012 Apple 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 "sky/engine/core/css/CSSStyleSheet.h" |
| |
| #include "sky/engine/core/css/MediaList.h" |
| #include "sky/engine/core/css/StyleSheetContents.h" |
| #include "sky/engine/core/dom/Document.h" |
| #include "sky/engine/core/dom/Node.h" |
| |
| namespace blink { |
| |
| #if ENABLE(ASSERT) |
| static bool isAcceptableCSSStyleSheetParent(Node* parentNode) |
| { |
| // Only these nodes can be parents of StyleSheets, and they need to call |
| // clearOwnerNode() when moved out of document. |
| // Destruction of the style sheet counts as being "moved out of the |
| // document", but only in the non-oilpan version of blink. I.e. don't call |
| // clearOwnerNode() in the owner's destructor in oilpan. |
| return !parentNode |
| || parentNode->isDocumentNode(); |
| } |
| #endif |
| |
| PassRefPtr<CSSStyleSheet> CSSStyleSheet::create(PassRefPtr<StyleSheetContents> sheet, Node* ownerNode) |
| { |
| ASSERT(sheet); |
| return adoptRef(new CSSStyleSheet(sheet, ownerNode)); |
| } |
| |
| PassRefPtr<CSSStyleSheet> CSSStyleSheet::create(Node* ownerNode, const KURL& baseURL) |
| { |
| CSSParserContext parserContext(ownerNode->document(), baseURL); |
| RefPtr<StyleSheetContents> sheet = StyleSheetContents::create(&ownerNode->document(), parserContext); |
| return adoptRef(new CSSStyleSheet(sheet.release(), ownerNode)); |
| } |
| |
| CSSStyleSheet::CSSStyleSheet(PassRefPtr<StyleSheetContents> contents, Node* ownerNode) |
| : m_contents(contents) |
| , m_ownerNode(ownerNode) |
| { |
| ASSERT(isAcceptableCSSStyleSheetParent(ownerNode)); |
| } |
| |
| CSSStyleSheet::~CSSStyleSheet() |
| { |
| } |
| |
| void CSSStyleSheet::setMediaQueries(PassRefPtr<MediaQuerySet> mediaQueries) |
| { |
| m_mediaQueries = mediaQueries; |
| } |
| |
| void CSSStyleSheet::clearOwnerNode() |
| { |
| if (Document* owner = ownerDocument()) |
| owner->styleResolverChanged(); |
| m_ownerNode = nullptr; |
| } |
| |
| Document* CSSStyleSheet::ownerDocument() const |
| { |
| return ownerNode() ? &ownerNode()->document() : 0; |
| } |
| |
| } // namespace blink |