third_party/WebKit/Source/core/css/CSSTimingFunctionValue.h

   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 CSSTimingFunctionValue_h
  27 #define CSSTimingFunctionValue_h
  28
  29 #include "core/css/CSSValue.h"
  30 #include "platform/animation/TimingFunction.h"
  31 #include "wtf/PassRefPtr.h"
  32
  33 namespace blink {
  34
  35 class CSSCubicBezierTimingFunctionValue : public CSSValue {
  36 public:
  37     static PassRefPtrWillBeRawPtr<CSSCubicBezierTimingFunctionValue> create(double x1, double y1, double x2, double y2)
  38     {
  39         return adoptRefWillBeNoop(new CSSCubicBezierTimingFunctionValue(x1, y1, x2, y2));
  40     }
  41
  42     String customCSSText() const;
  43
  44     double x1() const { return m_x1; }
  45     double y1() const { return m_y1; }
  46     double x2() const { return m_x2; }
  47     double y2() const { return m_y2; }
  48
  49     bool equals(const CSSCubicBezierTimingFunctionValue&) const;
  50
  51     DEFINE_INLINE_TRACE_AFTER_DISPATCH() { CSSValue::traceAfterDispatch(visitor); }
  52
  53 private:
  54     CSSCubicBezierTimingFunctionValue(double x1, double y1, double x2, double y2)
  55         : CSSValue(CubicBezierTimingFunctionClass)
  56         , m_x1(x1)
  57         , m_y1(y1)
  58         , m_x2(x2)
  59         , m_y2(y2)
  60     {
  61     }
  62
  63     double m_x1;
  64     double m_y1;
  65     double m_x2;
  66     double m_y2;
  67 };
  68
  69 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCubicBezierTimingFunctionValue, isCubicBezierTimingFunctionValue());
  70
  71 class CSSStepsTimingFunctionValue : public CSSValue {
  72 public:
  73     static PassRefPtrWillBeRawPtr<CSSStepsTimingFunctionValue> create(int steps, StepsTimingFunction::StepAtPosition stepAtPosition)
  74     {
  75         return adoptRefWillBeNoop(new CSSStepsTimingFunctionValue(steps, stepAtPosition));
  76     }
  77
  78     int numberOfSteps() const { return m_steps; }
  79     StepsTimingFunction::StepAtPosition stepAtPosition() const { return m_stepAtPosition; }
  80
  81     String customCSSText() const;
  82
  83     bool equals(const CSSStepsTimingFunctionValue&) const;
  84
  85     DEFINE_INLINE_TRACE_AFTER_DISPATCH() { CSSValue::traceAfterDispatch(visitor); }
  86
  87 private:
  88     CSSStepsTimingFunctionValue(int steps, StepsTimingFunction::StepAtPosition stepAtPosition)
  89         : CSSValue(StepsTimingFunctionClass)
  90         , m_steps(steps)
  91         , m_stepAtPosition(stepAtPosition)
  92     {
  93     }
  94
  95     int m_steps;
  96     StepsTimingFunction::StepAtPosition m_stepAtPosition;
  97 };
  98
  99 DEFINE_CSS_VALUE_TYPE_CASTS(CSSStepsTimingFunctionValue, isStepsTimingFunctionValue());
 100
 101 } // namespace
 102
 103 #endif