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      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 CSSTransformValue_h
     27 #define CSSTransformValue_h
     28 
     29 #include "core/css/CSSValueList.h"
     30 #include "wtf/PassRefPtr.h"
     31 
     32 namespace WebCore {
     33 
     34 class CSSTransformValue : public CSSValueList {
     35 public:
     36     // NOTE: these have to match the values in the IDL
     37     enum TransformOperationType {
     38         UnknownTransformOperation,
     39         TranslateTransformOperation,
     40         TranslateXTransformOperation,
     41         TranslateYTransformOperation,
     42         RotateTransformOperation,
     43         ScaleTransformOperation,
     44         ScaleXTransformOperation,
     45         ScaleYTransformOperation,
     46         SkewTransformOperation,
     47         SkewXTransformOperation,
     48         SkewYTransformOperation,
     49         MatrixTransformOperation,
     50         TranslateZTransformOperation,
     51         Translate3DTransformOperation,
     52         RotateXTransformOperation,
     53         RotateYTransformOperation,
     54         RotateZTransformOperation,
     55         Rotate3DTransformOperation,
     56         ScaleZTransformOperation,
     57         Scale3DTransformOperation,
     58         PerspectiveTransformOperation,
     59         Matrix3DTransformOperation
     60     };
     61 
     62     static PassRefPtrWillBeRawPtr<CSSTransformValue> create(TransformOperationType type)
     63     {
     64         return adoptRefWillBeNoop(new CSSTransformValue(type));
     65     }
     66 
     67     String customCSSText() const;
     68     bool equals(const CSSTransformValue& other) const { return m_type == other.m_type && CSSValueList::equals(other); }
     69 
     70     TransformOperationType operationType() const { return m_type; }
     71 
     72     PassRefPtrWillBeRawPtr<CSSTransformValue> cloneForCSSOM() const;
     73 
     74     void traceAfterDispatch(Visitor* visitor) { CSSValueList::traceAfterDispatch(visitor); }
     75 
     76 private:
     77     CSSTransformValue(TransformOperationType);
     78     CSSTransformValue(const CSSTransformValue& cloneFrom);
     79 
     80     TransformOperationType m_type;
     81 };
     82 
     83 DEFINE_CSS_VALUE_TYPE_CASTS(CSSTransformValue, isTransformValue());
     84 
     85 }
     86 
     87 #endif
     88