WebCore/WebKitCSSKeyframesRule.h

   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 WebKitCSSKeyframesRule_h
  27 #define WebKitCSSKeyframesRule_h
  28
  29 #include "CSSRule.h"
  30 #include <wtf/RefPtr.h>
  31 #include "AtomicString.h"
  32
  33 namespace WebCore {
  34
  35 class CSSRuleList;
  36 class WebKitCSSKeyframeRule;
  37 class String;
  38
  39 typedef int ExceptionCode;
  40
  41 class WebKitCSSKeyframesRule : public CSSRule {
  42 public:
  43     static PassRefPtr<WebKitCSSKeyframesRule> create()
  44     {
  45         return adoptRef(new WebKitCSSKeyframesRule(0));
  46     }
  47     static PassRefPtr<WebKitCSSKeyframesRule> create(CSSStyleSheet* parent)
  48     {
  49         return adoptRef(new WebKitCSSKeyframesRule(parent));
  50     }
  51
  52     ~WebKitCSSKeyframesRule();
  53
  54     virtual bool isKeyframesRule() { return true; }
  55
  56     // Inherited from CSSRule
  57     virtual unsigned short type() const { return WEBKIT_KEYFRAMES_RULE; }
  58
  59     String name() const;
  60     void setName(const String&);
  61
  62     // This version of setName does not call styleSheetChanged to avoid
  63     // unnecessary work. It assumes callers will either make that call
  64     // themselves, or know that it will get called later.
  65     void setNameInternal(const String& name)
  66     {
  67         m_name = name;
  68     }
  69
  70     CSSRuleList* cssRules() { return m_lstCSSRules.get(); }
  71
  72     void insertRule(const String& rule);
  73     void deleteRule(const String& key);
  74     WebKitCSSKeyframeRule* findRule(const String& key);
  75
  76     virtual String cssText() const;
  77
  78     /* not part of the DOM */
  79     unsigned length() const;
  80     WebKitCSSKeyframeRule*        item(unsigned index);
  81     const WebKitCSSKeyframeRule*  item(unsigned index) const;
  82     void append(WebKitCSSKeyframeRule* rule);
  83
  84 private:
  85     WebKitCSSKeyframesRule(CSSStyleSheet* parent);
  86
  87     int findRuleIndex(const String& key) const;
  88
  89     RefPtr<CSSRuleList> m_lstCSSRules;
  90     AtomicString m_name;
  91 };
  92
  93 } // namespace WebCore
  94
  95 #endif // WebKitCSSKeyframesRule_h