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      1 /*
      2  * Copyright (C) 2014 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef SVGBoolean_h
     32 #define SVGBoolean_h
     33 
     34 #include "core/svg/properties/SVGPropertyHelper.h"
     35 
     36 namespace blink {
     37 
     38 class SVGBoolean : public SVGPropertyHelper<SVGBoolean> {
     39 public:
     40     // SVGBoolean does not have a tear-off type.
     41     typedef void TearOffType;
     42     typedef bool PrimitiveType;
     43 
     44     static PassRefPtr<SVGBoolean> create(bool value = false)
     45     {
     46         return adoptRef(new SVGBoolean(value));
     47     }
     48 
     49     PassRefPtr<SVGBoolean> clone() const { return create(m_value); }
     50 
     51     virtual String valueAsString() const OVERRIDE;
     52     void setValueAsString(const String&, ExceptionState&);
     53 
     54     virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) OVERRIDE;
     55     virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> from, PassRefPtr<SVGPropertyBase> to, PassRefPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) OVERRIDE;
     56     virtual float calculateDistance(PassRefPtr<SVGPropertyBase> to, SVGElement*) OVERRIDE;
     57 
     58     bool value() const { return m_value; }
     59     void setValue(bool value) { m_value = value; }
     60 
     61     static AnimatedPropertyType classType() { return AnimatedBoolean; }
     62 
     63 private:
     64     SVGBoolean(bool value)
     65         : m_value(value)
     66     {
     67     }
     68 
     69     bool m_value;
     70 };
     71 
     72 inline PassRefPtr<SVGBoolean> toSVGBoolean(PassRefPtr<SVGPropertyBase> passBase)
     73 {
     74     RefPtr<SVGPropertyBase> base = passBase;
     75     ASSERT(base->type() == SVGBoolean::classType());
     76     return static_pointer_cast<SVGBoolean>(base.release());
     77 }
     78 
     79 } // namespace blink
     80 
     81 #endif // SVGBoolean_h
     82