third_party/WebKit/Source/core/svg/SVGNumberOptionalNumber.h

   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 SVGNumberOptionalNumber_h
  32 #define SVGNumberOptionalNumber_h
  33
  34 #include "core/svg/SVGAnimatedNumber.h"
  35 #include "platform/heap/Handle.h"
  36
  37 namespace blink {
  38
  39 class SVGNumberOptionalNumber : public SVGPropertyBase {
  40 public:
  41     // Tearoff of SVGNumberOptionalNumber is never created.
  42     typedef void TearOffType;
  43     typedef void PrimitiveType;
  44
  45     static PassRefPtrWillBeRawPtr<SVGNumberOptionalNumber> create(PassRefPtrWillBeRawPtr<SVGNumber> firstNumber, PassRefPtrWillBeRawPtr<SVGNumber> secondNumber)
  46     {
  47         return adoptRefWillBeNoop(new SVGNumberOptionalNumber(firstNumber, secondNumber));
  48     }
  49
  50     PassRefPtrWillBeRawPtr<SVGNumberOptionalNumber> clone() const;
  51     PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
  52
  53     String valueAsString() const override;
  54     void setValueAsString(const String&, ExceptionState&);
  55
  56     void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
  57     void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
  58     float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
  59
  60     static AnimatedPropertyType classType() { return AnimatedNumberOptionalNumber; }
  61
  62     PassRefPtrWillBeRawPtr<SVGNumber> firstNumber() { return m_firstNumber; }
  63     PassRefPtrWillBeRawPtr<SVGNumber> secondNumber() { return m_secondNumber; }
  64
  65     DECLARE_VIRTUAL_TRACE();
  66
  67 protected:
  68     SVGNumberOptionalNumber(PassRefPtrWillBeRawPtr<SVGNumber> firstNumber, PassRefPtrWillBeRawPtr<SVGNumber> secondNumber);
  69
  70     RefPtrWillBeMember<SVGNumber> m_firstNumber;
  71     RefPtrWillBeMember<SVGNumber> m_secondNumber;
  72 };
  73
  74 inline PassRefPtrWillBeRawPtr<SVGNumberOptionalNumber> toSVGNumberOptionalNumber(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
  75 {
  76     RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
  77     ASSERT(base->type() == SVGNumberOptionalNumber::classType());
  78     return static_pointer_cast<SVGNumberOptionalNumber>(base.release());
  79 }
  80
  81 } // namespace blink
  82
  83 #endif // SVGNumberOptionalNumber_h