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1 // Copyright 2015 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 CC_ANIMATION_LAYER_TREE_MUTATION_H_ | |
6 #define CC_ANIMATION_LAYER_TREE_MUTATION_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "cc/animation/mutable_properties.h" | |
11 #include "third_party/skia/include/utils/SkMatrix44.h" | |
12 | |
13 namespace cc { | |
14 | |
15 struct LayerTreeMutation { | |
16 public: | |
17 void SetOpacity(float opacity) { | |
18 mutated_flags_ |= kMutablePropertyOpacity; | |
19 opacity_ = opacity; | |
20 } | |
21 void SetScrollLeft(float scroll_left) { | |
22 mutated_flags_ |= kMutablePropertyScrollLeft; | |
23 scroll_left_ = scroll_left; | |
24 } | |
25 void SetScrollTop(float scroll_top) { | |
26 mutated_flags_ |= kMutablePropertyScrollTop; | |
27 scroll_top_ = scroll_top; | |
28 } | |
29 void SetTransform(const SkMatrix44& transform) { | |
30 mutated_flags_ |= kMutablePropertyTransform; | |
31 transform_ = transform; | |
32 } | |
33 | |
34 bool is_opacity_mutated() const { | |
35 return !!(mutated_flags_ & kMutablePropertyOpacity); | |
36 } | |
37 bool is_scroll_left_mutated() const { | |
38 return !!(mutated_flags_ & kMutablePropertyScrollLeft); | |
39 } | |
40 bool is_scroll_top_mutated() const { | |
41 return !!(mutated_flags_ & kMutablePropertyScrollTop); | |
42 } | |
43 bool is_transform_mutated() const { | |
44 return !!(mutated_flags_ & kMutablePropertyTransform); | |
45 } | |
46 | |
47 float opacity() const { return opacity_; } | |
48 float scroll_left() const { return scroll_left_; } | |
49 float scroll_top() const { return scroll_top_; } | |
50 SkMatrix44 transform() const { return transform_; } | |
51 | |
52 private: | |
53 uint32_t mutated_flags_ = 0; | |
54 float opacity_ = 0; | |
55 float scroll_left_ = 0; | |
56 float scroll_top_ = 0; | |
57 SkMatrix44 transform_; | |
58 }; | |
59 | |
60 typedef std::map<uint64_t, LayerTreeMutation> LayerTreeMutationMap; | |
esprehn
2015/11/16 20:01:03
why not hash map? Is the ordering actually importa
Ian Vollick
2015/11/18 17:20:33
Done.
| |
61 | |
62 } // namespace cc | |
63 | |
64 #endif // CC_ANIMATION_LAYER_TREE_MUTATION_H_ | |
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