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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CCAnimationCurve_h | 5 // Temporary forwarding header |
6 #define CCAnimationCurve_h | 6 #include "cc/animation_curve.h" |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include <public/WebTransformationMatrix.h> | |
10 | |
11 namespace cc { | |
12 | |
13 class CCFloatAnimationCurve; | |
14 class CCTransformAnimationCurve; | |
15 class IntSize; | |
16 class TransformOperations; | |
17 | |
18 // An animation curve is a function that returns a value given a time. | |
19 // There are currently only two types of curve, float and transform. | |
20 class CCAnimationCurve { | |
21 public: | |
22 enum Type { Float, Transform }; | |
23 | |
24 virtual ~CCAnimationCurve() { } | |
25 | |
26 virtual double duration() const = 0; | |
27 virtual Type type() const = 0; | |
28 virtual scoped_ptr<CCAnimationCurve> clone() const = 0; | |
29 | |
30 const CCFloatAnimationCurve* toFloatAnimationCurve() const; | |
31 const CCTransformAnimationCurve* toTransformAnimationCurve() const; | |
32 }; | |
33 | |
34 class CCFloatAnimationCurve : public CCAnimationCurve { | |
35 public: | |
36 virtual ~CCFloatAnimationCurve() { } | |
37 | |
38 virtual float getValue(double t) const = 0; | |
39 | |
40 // Partial CCAnimation implementation. | |
41 virtual Type type() const OVERRIDE; | |
42 }; | |
43 | |
44 class CCTransformAnimationCurve : public CCAnimationCurve { | |
45 public: | |
46 virtual ~CCTransformAnimationCurve() { } | |
47 | |
48 virtual WebKit::WebTransformationMatrix getValue(double t) const = 0; | |
49 | |
50 // Partial CCAnimation implementation. | |
51 virtual Type type() const OVERRIDE; | |
52 }; | |
53 | |
54 } // namespace cc | |
55 | |
56 #endif // CCAnimation_h | |
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