third_party/WebKit/Source/core/css/CSSKeyframesRule.h

   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 blink {
  35
  36 class CSSRuleList;
  37 class CSSKeyframeRule;
  38 class StyleRuleKeyframe;
  39
  40 class StyleRuleKeyframes final : public StyleRuleBase {
  41 public:
  42     static PassRefPtrWillBeRawPtr<StyleRuleKeyframes> create() { return adoptRefWillBeNoop(new StyleRuleKeyframes()); }
  43
  44     ~StyleRuleKeyframes();
  45
  46     const WillBeHeapVector<RefPtrWillBeMember<StyleRuleKeyframe>>& keyframes() const { return m_keyframes; }
  47
  48     void parserAppendKeyframe(PassRefPtrWillBeRawPtr<StyleRuleKeyframe>);
  49     void wrapperAppendKeyframe(PassRefPtrWillBeRawPtr<StyleRuleKeyframe>);
  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     PassRefPtrWillBeRawPtr<StyleRuleKeyframes> copy() const { return adoptRefWillBeNoop(new StyleRuleKeyframes(*this)); }
  61
  62     DECLARE_TRACE_AFTER_DISPATCH();
  63
  64     void styleChanged() { m_version++; }
  65     unsigned version() const { return m_version; }
  66
  67 private:
  68     StyleRuleKeyframes();
  69     explicit StyleRuleKeyframes(const StyleRuleKeyframes&);
  70
  71     WillBeHeapVector<RefPtrWillBeMember<StyleRuleKeyframe>> m_keyframes;
  72     AtomicString m_name;
  73     unsigned m_version : 31;
  74     unsigned m_isPrefixed : 1;
  75 };
  76
  77 DEFINE_STYLE_RULE_TYPE_CASTS(Keyframes);
  78
  79 class CSSKeyframesRule final : public CSSRule {
  80     DEFINE_WRAPPERTYPEINFO();
  81 public:
  82     static PassRefPtrWillBeRawPtr<CSSKeyframesRule> create(StyleRuleKeyframes* rule, CSSStyleSheet* sheet)
  83     {
  84         return adoptRefWillBeNoop(new CSSKeyframesRule(rule, sheet));
  85     }
  86
  87     ~CSSKeyframesRule() override;
  88
  89     String cssText() const override;
  90     void reattach(StyleRuleBase*) override;
  91
  92     String name() const { return m_keyframesRule->name(); }
  93     void setName(const String&);
  94
  95     CSSRuleList* cssRules() const override;
  96
  97     void appendRule(const String& rule);
  98     void deleteRule(const String& key);
  99     CSSKeyframeRule* findRule(const String& key);
 100
 101     // For IndexedGetter and CSSRuleList.
 102     unsigned length() const;
 103     CSSKeyframeRule* item(unsigned index) const;
 104     CSSKeyframeRule* anonymousIndexedGetter(unsigned index) const;
 105
 106     bool isVendorPrefixed() const { return m_isPrefixed; }
 107     void setVendorPrefixed(bool isPrefixed) { m_isPrefixed = isPrefixed; }
 108
 109     void styleChanged() { m_keyframesRule->styleChanged(); }
 110
 111     DECLARE_VIRTUAL_TRACE();
 112
 113 private:
 114     CSSKeyframesRule(StyleRuleKeyframes*, CSSStyleSheet* parent);
 115
 116     CSSRule::Type type() const override { return KEYFRAMES_RULE; }
 117
 118     RefPtrWillBeMember<StyleRuleKeyframes> m_keyframesRule;
 119     mutable WillBeHeapVector<RefPtrWillBeMember<CSSKeyframeRule>> m_childRuleCSSOMWrappers;
 120     mutable OwnPtrWillBeMember<CSSRuleList> m_ruleListCSSOMWrapper;
 121     bool m_isPrefixed;
 122 };
 123
 124 DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframesRule, KEYFRAMES_RULE);
 125
 126 } // namespace blink
 127
 128 #endif // CSSKeyframesRule_h