flutter_flutter/engine/core/css/CSSStyleSheet.h
Elliott Sprehn 6c94c18612 Remove the CSSOM.
This leaves CSSValue, but removes everything else.

R=ojan@chromium.org

Review URL: https://codereview.chromium.org/780483002
2014-12-03 10:50:02 -08:00

116 lines
3.7 KiB
C++

/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 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.
*/
#ifndef SKY_ENGINE_CORE_CSS_CSSSTYLESHEET_H_
#define SKY_ENGINE_CORE_CSS_CSSSTYLESHEET_H_
#include "sky/engine/core/css/StyleSheet.h"
#include "sky/engine/platform/heap/Handle.h"
#include "sky/engine/wtf/Noncopyable.h"
#include "sky/engine/wtf/text/TextPosition.h"
namespace blink {
class BisonCSSParser;
class CSSStyleSheet;
class Document;
class ExceptionState;
class MediaQuerySet;
class StyleSheetContents;
enum StyleSheetUpdateType {
PartialRuleUpdate,
EntireStyleSheetUpdate
};
class CSSStyleSheet final : public StyleSheet {
public:
static PassRefPtr<CSSStyleSheet> createInline(Node*, const KURL&, const TextPosition& startPosition = TextPosition::minimumPosition());
static PassRefPtr<CSSStyleSheet> createInline(PassRefPtr<StyleSheetContents>, Node* ownerNode, const TextPosition& startPosition = TextPosition::minimumPosition());
virtual ~CSSStyleSheet();
virtual Node* ownerNode() const override { return m_ownerNode; }
unsigned length() const;
virtual void clearOwnerNode() override;
virtual KURL baseURL() const override;
Document* ownerDocument() const;
MediaQuerySet* mediaQueries() const { return m_mediaQueries.get(); }
void setMediaQueries(PassRefPtr<MediaQuerySet>);
class RuleMutationScope {
WTF_MAKE_NONCOPYABLE(RuleMutationScope);
STACK_ALLOCATED();
public:
explicit RuleMutationScope(CSSStyleSheet*);
~RuleMutationScope();
private:
RawPtr<CSSStyleSheet> m_styleSheet;
};
void willMutateRules();
void didMutateRules();
void didMutate(StyleSheetUpdateType = PartialRuleUpdate);
StyleSheetContents* contents() const { return m_contents.get(); }
bool isInline() const { return m_isInlineStylesheet; }
TextPosition startPositionInSource() const { return m_startPosition; }
private:
CSSStyleSheet(PassRefPtr<StyleSheetContents>);
CSSStyleSheet(PassRefPtr<StyleSheetContents>, Node* ownerNode, bool isInlineStylesheet, const TextPosition& startPosition);
virtual bool isCSSStyleSheet() const override { return true; }
virtual String type() const override { return "text/css"; }
RefPtr<StyleSheetContents> m_contents;
bool m_isInlineStylesheet;
RefPtr<MediaQuerySet> m_mediaQueries;
RawPtr<Node> m_ownerNode;
TextPosition m_startPosition;
};
inline CSSStyleSheet::RuleMutationScope::RuleMutationScope(CSSStyleSheet* sheet)
: m_styleSheet(sheet)
{
if (m_styleSheet)
m_styleSheet->willMutateRules();
}
inline CSSStyleSheet::RuleMutationScope::~RuleMutationScope()
{
if (m_styleSheet)
m_styleSheet->didMutateRules();
}
DEFINE_TYPE_CASTS(CSSStyleSheet, StyleSheet, sheet, sheet->isCSSStyleSheet(), sheet.isCSSStyleSheet());
} // namespace blink
#endif // SKY_ENGINE_CORE_CSS_CSSSTYLESHEET_H_