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/Forward.h>
31 #include <wtf/RefPtr.h>
32 #include <wtf/text/AtomicString.h>
33 
34 namespace WebCore {
35 
36 class CSSRuleList;
37 class WebKitCSSKeyframeRule;
38 
39 typedef int ExceptionCode;
40 
41 class WebKitCSSKeyframesRule : public CSSRule {
42 public:
create()43     static PassRefPtr<WebKitCSSKeyframesRule> create()
44     {
45         return adoptRef(new WebKitCSSKeyframesRule(0));
46     }
create(CSSStyleSheet * parent)47     static PassRefPtr<WebKitCSSKeyframesRule> create(CSSStyleSheet* parent)
48     {
49         return adoptRef(new WebKitCSSKeyframesRule(parent));
50     }
51 
52     ~WebKitCSSKeyframesRule();
53 
isKeyframesRule()54     virtual bool isKeyframesRule() { return true; }
55 
56     // Inherited from CSSRule
type()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.
setNameInternal(const String & name)65     void setNameInternal(const String& name)
66     {
67         m_name = AtomicString(name);
68     }
69 
cssRules()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
96