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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebKitCSSKeyframeRule_h
     27 #define WebKitCSSKeyframeRule_h
     28 
     29 #include "CSSRule.h"
     30 #include <wtf/PassRefPtr.h>
     31 #include <wtf/RefPtr.h>
     32 
     33 namespace WebCore {
     34 
     35 class CSSMutableStyleDeclaration;
     36 
     37 typedef int ExceptionCode;
     38 
     39 class WebKitCSSKeyframeRule : public CSSRule {
     40 public:
     41     static PassRefPtr<WebKitCSSKeyframeRule> create()
     42     {
     43         return adoptRef(new WebKitCSSKeyframeRule(0));
     44     }
     45     static PassRefPtr<WebKitCSSKeyframeRule> create(CSSStyleSheet* parent)
     46     {
     47         return adoptRef(new WebKitCSSKeyframeRule(parent));
     48     }
     49 
     50     virtual ~WebKitCSSKeyframeRule();
     51 
     52     virtual bool isKeyframeRule() { return true; }
     53 
     54     // Inherited from CSSRule
     55     virtual unsigned short type() const { return WEBKIT_KEYFRAME_RULE; }
     56 
     57     String keyText() const              { return m_key; }
     58     void setKeyText(const String& s)    { m_key = s; }
     59 
     60     void getKeys(Vector<float>& keys) const   { parseKeyString(m_key, keys); }
     61 
     62     CSSMutableStyleDeclaration* style() const { return m_style.get(); }
     63 
     64     virtual String cssText() const;
     65 
     66     // Not part of the CSSOM
     67     virtual bool parseString(const String&, bool = false);
     68 
     69     void setDeclaration(PassRefPtr<CSSMutableStyleDeclaration>);
     70 
     71     CSSMutableStyleDeclaration*         declaration()       { return m_style.get(); }
     72     const CSSMutableStyleDeclaration*   declaration() const { return m_style.get(); }
     73 
     74 private:
     75     static void parseKeyString(const String& s, Vector<float>& keys);
     76 
     77     WebKitCSSKeyframeRule(CSSStyleSheet* parent);
     78 
     79     RefPtr<CSSMutableStyleDeclaration> m_style;
     80     String m_key;        // comma separated list of keys
     81 };
     82 
     83 } // namespace WebCore
     84 
     85 #endif // WebKitCSSKeyframeRule_h
     86