OLD | NEW |
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 APP_TWEEN_H_ | 5 #ifndef UI_BASE_ANIMATION_TWEEN_H_ |
6 #define APP_TWEEN_H_ | 6 #define UI_BASE_ANIMATION_TWEEN_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 | 10 |
11 namespace gfx { | 11 namespace gfx { |
12 class Rect; | 12 class Rect; |
13 } | 13 } |
14 | 14 |
| 15 namespace ui { |
| 16 |
15 class Tween { | 17 class Tween { |
16 public: | 18 public: |
17 enum Type { | 19 enum Type { |
18 LINEAR, // Linear. | 20 LINEAR, // Linear. |
19 EASE_OUT, // Fast in, slow out (default). | 21 EASE_OUT, // Fast in, slow out (default). |
20 EASE_IN, // Slow in, fast out. | 22 EASE_IN, // Slow in, fast out. |
21 EASE_IN_OUT, // Slow in and out, fast in the middle. | 23 EASE_IN_OUT, // Slow in and out, fast in the middle. |
22 FAST_IN_OUT, // Fast in and out, slow in the middle. | 24 FAST_IN_OUT, // Fast in and out, slow in the middle. |
23 EASE_OUT_SNAP, // Fast in, slow out, snap to final value. | 25 EASE_OUT_SNAP, // Fast in, slow out, snap to final value. |
24 ZERO, // Returns a value of 0 always. | 26 ZERO, // Returns a value of 0 always. |
25 }; | 27 }; |
26 | 28 |
27 // Returns the value based on the tween type. |state| is from 0-1. | 29 // Returns the value based on the tween type. |state| is from 0-1. |
28 static double CalculateValue(Type type, double state); | 30 static double CalculateValue(Type type, double state); |
29 | 31 |
30 // Conveniences for getting a value between a start and end point. | 32 // Conveniences for getting a value between a start and end point. |
31 static double ValueBetween(double value, double start, double target); | 33 static double ValueBetween(double value, double start, double target); |
32 static int ValueBetween(double value, int start, int target); | 34 static int ValueBetween(double value, int start, int target); |
33 static gfx::Rect ValueBetween(double value, | 35 static gfx::Rect ValueBetween(double value, |
34 const gfx::Rect& start_bounds, | 36 const gfx::Rect& start_bounds, |
35 const gfx::Rect& target_bounds); | 37 const gfx::Rect& target_bounds); |
36 | 38 |
37 private: | 39 private: |
38 Tween(); | 40 Tween(); |
39 ~Tween(); | 41 ~Tween(); |
40 | 42 |
41 DISALLOW_COPY_AND_ASSIGN(Tween); | 43 DISALLOW_COPY_AND_ASSIGN(Tween); |
42 }; | 44 }; |
43 | 45 |
44 #endif // APP_TWEEN_H_ | 46 } // namespace ui |
| 47 |
| 48 #endif // UI_BASE_ANIMATION_TWEEN_H_ |
OLD | NEW |