cc/CCTimingFunction.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CCTimingFunction_h
   6 #define CCTimingFunction_h
   7
   8 #include "CCAnimationCurve.h"
   9 #include "UnitBezier.h"
  10 #include <wtf/PassOwnPtr.h>
  11
  12 namespace WebCore {
  13
  14 // See http://www.w3.org/TR/css3-transitions/.
  15 class CCTimingFunction : public CCFloatAnimationCurve {
  16 public:
  17     virtual ~CCTimingFunction();
  18
  19     // Partial implementation of CCFloatAnimationCurve.
  20     virtual double duration() const OVERRIDE;
  21
  22 protected:
  23     CCTimingFunction();
  24 };
  25
  26 class CCCubicBezierTimingFunction : public CCTimingFunction {
  27 public:
  28     static PassOwnPtr<CCCubicBezierTimingFunction> create(double x1, double y1, double x2, double y2);
  29     virtual ~CCCubicBezierTimingFunction();
  30
  31     // Partial implementation of CCFloatAnimationCurve.
  32     virtual float getValue(double time) const OVERRIDE;
  33     virtual PassOwnPtr<CCAnimationCurve> clone() const OVERRIDE;
  34
  35 protected:
  36     CCCubicBezierTimingFunction(double x1, double y1, double x2, double y2);
  37
  38     UnitBezier m_curve;
  39 };
  40
  41 class CCEaseTimingFunction {
  42 public:
  43     static PassOwnPtr<CCTimingFunction> create();
  44 };
  45
  46 class CCEaseInTimingFunction {
  47 public:
  48     static PassOwnPtr<CCTimingFunction> create();
  49 };
  50
  51 class CCEaseOutTimingFunction {
  52 public:
  53     static PassOwnPtr<CCTimingFunction> create();
  54 };
  55
  56 class CCEaseInOutTimingFunction {
  57 public:
  58     static PassOwnPtr<CCTimingFunction> create();
  59 };
  60
  61 } // namespace WebCore
  62
  63 #endif // CCTimingFunction_h
  64