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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 #include "config.h"
     27 #include "core/css/CSSTransformValue.h"
     28 
     29 #include "wtf/text/WTFString.h"
     30 
     31 namespace blink {
     32 
     33 // These names must be kept in sync with TransformOperationType.
     34 const char* const transformNamePrefixes[] = {
     35     0,
     36     "translate(",
     37     "translateX(",
     38     "translateY(",
     39     "rotate(",
     40     "scale(",
     41     "scaleX(",
     42     "scaleY(",
     43     "skew(",
     44     "skewX(",
     45     "skewY(",
     46     "matrix(",
     47     "translateZ(",
     48     "translate3d(",
     49     "rotateX(",
     50     "rotateY(",
     51     "rotateZ(",
     52     "rotate3d(",
     53     "scaleZ(",
     54     "scale3d(",
     55     "perspective(",
     56     "matrix3d("
     57 };
     58 
     59 static inline String transformValueToCssString(CSSTransformValue::TransformOperationType operation, const String& value)
     60 {
     61     if (operation != CSSTransformValue::UnknownTransformOperation) {
     62         ASSERT_WITH_SECURITY_IMPLICATION(static_cast<size_t>(operation) < WTF_ARRAY_LENGTH(transformNamePrefixes));
     63         return transformNamePrefixes[operation] + value + ")";
     64     }
     65     return String();
     66 }
     67 
     68 CSSTransformValue::CSSTransformValue(TransformOperationType op)
     69     : CSSValueList(CSSTransformClass, CommaSeparator)
     70     , m_type(op)
     71 {
     72 }
     73 
     74 String CSSTransformValue::customCSSText() const
     75 {
     76     return transformValueToCssString(m_type, CSSValueList::customCSSText());
     77 }
     78 
     79 CSSTransformValue::CSSTransformValue(const CSSTransformValue& cloneFrom)
     80     : CSSValueList(cloneFrom)
     81     , m_type(cloneFrom.m_type)
     82 {
     83 }
     84 
     85 PassRefPtrWillBeRawPtr<CSSTransformValue> CSSTransformValue::cloneForCSSOM() const
     86 {
     87     return adoptRefWillBeNoop(new CSSTransformValue(*this));
     88 }
     89 
     90 }
     91