text: /*
   * Copyright (C) 2007, 2008 Apple Inc. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR
   * CONTRIBUTORS 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 SUCH DAMAGE. 
   */
  
  #ifndef WebKitCSSKeyframesRule_h
  #define WebKitCSSKeyframesRule_h
  
  #include "CSSRule.h"
  #include <wtf/RefPtr.h>
  #include "AtomicString.h"
  
  namespace WebCore {
  
  class CSSRuleList;
  class WebKitCSSKeyframeRule;
  class String;
  
  typedef int ExceptionCode;
  
  class WebKitCSSKeyframesRule : public CSSRule {
  public:
      static PassRefPtr<WebKitCSSKeyframesRule> create()
      {
          return adoptRef(new WebKitCSSKeyframesRule(0));
      }
      static PassRefPtr<WebKitCSSKeyframesRule> create(CSSStyleSheet* parent)
      {
          return adoptRef(new WebKitCSSKeyframesRule(parent));
      }
  
      ~WebKitCSSKeyframesRule();
  
      virtual bool isKeyframesRule() { return true; }
  
      // Inherited from CSSRule
      virtual unsigned short type() const { return WEBKIT_KEYFRAMES_RULE; }
  
      String name() const;
      void setName(const String&);
      
      // This version of setName does not call styleSheetChanged to avoid
      // unnecessary work. It assumes callers will either make that call
      // themselves, or know that it will get called later.
      void setNameInternal(const String& name)
      {   
          m_name = AtomicString(name);
      }
  
      CSSRuleList* cssRules() { return m_lstCSSRules.get(); }
  
      void insertRule(const String& rule);
      void deleteRule(const String& key);
      WebKitCSSKeyframeRule* findRule(const String& key);
  
      virtual String cssText() const;
  
      /* not part of the DOM */
      unsigned length() const;
      WebKitCSSKeyframeRule*        item(unsigned index);
      const WebKitCSSKeyframeRule*  item(unsigned index) const;
      void append(WebKitCSSKeyframeRule* rule);
  
  private:
      WebKitCSSKeyframesRule(CSSStyleSheet* parent);
  
      int findRuleIndex(const String& key) const;
      
      RefPtr<CSSRuleList> m_lstCSSRules;
      AtomicString m_name;
  };
  
  } // namespace WebCore
  
  #endif // WebKitCSSKeyframesRule_h
  