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      1 /*
      2  * Copyright (C) 2007, 2008, 2012 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 CSSKeyframesRule_h
     27 #define CSSKeyframesRule_h
     28 
     29 #include "core/css/CSSRule.h"
     30 #include "core/css/StyleRule.h"
     31 #include "wtf/Forward.h"
     32 #include "wtf/text/AtomicString.h"
     33 
     34 namespace WebCore {
     35 
     36 class CSSRuleList;
     37 class StyleKeyframe;
     38 class CSSKeyframeRule;
     39 
     40 class StyleRuleKeyframes FINAL : public StyleRuleBase {
     41 public:
     42     static PassRefPtr<StyleRuleKeyframes> create() { return adoptRef(new StyleRuleKeyframes()); }
     43 
     44     ~StyleRuleKeyframes();
     45 
     46     const Vector<RefPtr<StyleKeyframe> >& keyframes() const { return m_keyframes; }
     47 
     48     void parserAppendKeyframe(PassRefPtr<StyleKeyframe>);
     49     void wrapperAppendKeyframe(PassRefPtr<StyleKeyframe>);
     50     void wrapperRemoveKeyframe(unsigned);
     51 
     52     String name() const { return m_name; }
     53     void setName(const String& name) { m_name = AtomicString(name); }
     54 
     55     bool isVendorPrefixed() const { return m_isPrefixed; }
     56     void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
     57 
     58     int findKeyframeIndex(const String& key) const;
     59 
     60     PassRefPtr<StyleRuleKeyframes> copy() const { return adoptRef(new StyleRuleKeyframes(*this)); }
     61 
     62 private:
     63     StyleRuleKeyframes();
     64     explicit StyleRuleKeyframes(const StyleRuleKeyframes&);
     65 
     66     Vector<RefPtr<StyleKeyframe> > m_keyframes;
     67     AtomicString m_name;
     68     bool m_isPrefixed;
     69 };
     70 
     71 DEFINE_STYLE_RULE_TYPE_CASTS(Keyframes);
     72 
     73 class CSSKeyframesRule FINAL : public CSSRule {
     74 public:
     75     static PassRefPtr<CSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet) { return adoptRef(new CSSKeyframesRule(rule, sheet)); }
     76 
     77     virtual ~CSSKeyframesRule();
     78 
     79     virtual CSSRule::Type type() const OVERRIDE { return KEYFRAMES_RULE; }
     80     virtual String cssText() const OVERRIDE;
     81     virtual void reattach(StyleRuleBase*) OVERRIDE;
     82 
     83     String name() const { return m_keyframesRule->name(); }
     84     void setName(const String&);
     85 
     86     CSSRuleList* cssRules();
     87 
     88     void insertRule(const String& rule);
     89     void deleteRule(const String& key);
     90     CSSKeyframeRule* findRule(const String& key);
     91 
     92     // For IndexedGetter and CSSRuleList.
     93     unsigned length() const;
     94     CSSKeyframeRule* item(unsigned index) const;
     95 
     96     bool isVendorPrefixed() const { return m_isPrefixed; }
     97     void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
     98 
     99 private:
    100     CSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
    101 
    102     RefPtr<StyleRuleKeyframes> m_keyframesRule;
    103     mutable Vector<RefPtr<CSSKeyframeRule> > m_childRuleCSSOMWrappers;
    104     mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
    105     bool m_isPrefixed;
    106 };
    107 
    108 DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframesRule, KEYFRAMES_RULE);
    109 
    110 } // namespace WebCore
    111 
    112 #endif // CSSKeyframesRule_h
    113