WebKitCSSRegionRule.h   [plain text]

/*
 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 */

#ifndef WebKitCSSRegionRule_h
#define WebKitCSSRegionRule_h

#include "CSSRule.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>

#if ENABLE(CSS_REGIONS)

namespace WebCore {

class CSSRuleList;
class StyleRuleRegion;

class WebKitCSSRegionRule : public CSSRule {
public:
    static PassRefPtr<WebKitCSSRegionRule> create(StyleRuleRegion* rule, CSSStyleSheet* sheet) { return adoptRef(new WebKitCSSRegionRule(rule, sheet)); }

    ~WebKitCSSRegionRule();

    String cssText() const;
    CSSRuleList* cssRules() const;
    
    // For CSSRuleList
    unsigned length() const;
    CSSRule* item(unsigned index) const;

    void reattach(StyleRuleRegion*);

private:
    WebKitCSSRegionRule(StyleRuleRegion*, CSSStyleSheet* parent);

    RefPtr<StyleRuleRegion> m_regionRule;
    
    mutable Vector<RefPtr<CSSRule> > m_childRuleCSSOMWrappers;
    mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
    
    friend class StyleRuleBlock;
};

}

#endif // ENABLE(CSS_REGIONS)

#endif // WebKitCSSRegionRule_h