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 CSSKeyframeRule_h 27 #define CSSKeyframeRule_h 28 29 #include "core/css/CSSRule.h" 30 31 namespace WebCore { 32 33 class CSSKeyframesRule; 34 class CSSParserValueList; 35 class CSSStyleDeclaration; 36 class MutableStylePropertySet; 37 class StylePropertySet; 38 class StyleRuleCSSStyleDeclaration; 39 40 class StyleKeyframe FINAL : public RefCounted<StyleKeyframe> { 41 WTF_MAKE_FAST_ALLOCATED; 42 public: create()43 static PassRefPtr<StyleKeyframe> create() 44 { 45 return adoptRef(new StyleKeyframe()); 46 } 47 ~StyleKeyframe(); 48 49 // Exposed to JavaScript. 50 String keyText() const; 51 void setKeyText(const String&); 52 53 // Used by StyleResolver. 54 const Vector<double>& keys() const; 55 // Used by CSSParser when constructing a new StyleKeyframe. 56 void setKeys(PassOwnPtr<Vector<double> >); 57 properties()58 const StylePropertySet* properties() const { return m_properties.get(); } 59 MutableStylePropertySet* mutableProperties(); 60 void setProperties(PassRefPtr<StylePropertySet>); 61 62 String cssText() const; 63 64 static PassOwnPtr<Vector<double> > createKeyList(CSSParserValueList*); 65 66 private: 67 StyleKeyframe(); 68 69 RefPtr<StylePropertySet> m_properties; 70 // These are both calculated lazily. Either one can be set, which invalidates the other. 71 mutable String m_keyText; 72 mutable OwnPtr<Vector<double> > m_keys; 73 }; 74 75 class CSSKeyframeRule FINAL : public CSSRule { 76 public: 77 virtual ~CSSKeyframeRule(); 78 type()79 virtual CSSRule::Type type() const OVERRIDE { return KEYFRAME_RULE; } cssText()80 virtual String cssText() const OVERRIDE { return m_keyframe->cssText(); } 81 virtual void reattach(StyleRuleBase*) OVERRIDE; 82 keyText()83 String keyText() const { return m_keyframe->keyText(); } setKeyText(const String & s)84 void setKeyText(const String& s) { m_keyframe->setKeyText(s); } 85 86 CSSStyleDeclaration* style() const; 87 88 private: 89 CSSKeyframeRule(StyleKeyframe*, CSSKeyframesRule* parent); 90 91 RefPtr<StyleKeyframe> m_keyframe; 92 mutable RefPtr<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper; 93 94 friend class CSSKeyframesRule; 95 }; 96 97 DEFINE_CSS_RULE_TYPE_CASTS(CSSKeyframeRule, KEYFRAME_RULE); 98 99 } // namespace WebCore 100 101 #endif // CSSKeyframeRule_h 102