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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 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 CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ | 5 #ifndef CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ |
6 #define CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ | 6 #define CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ptr_util.h" | 9 #include "base/memory/ptr_util.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "cc/animation/animation_delegate.h" | 11 #include "cc/animation/animation_delegate.h" |
12 #include "cc/animation/scroll_offset_animation_curve.h" | 12 #include "cc/animation/scroll_offset_animation_curve.h" |
13 #include "cc/trees/mutator_host_client.h" | 13 #include "cc/trees/mutator_host_client.h" |
14 #include "ui/gfx/geometry/scroll_offset.h" | 14 #include "ui/gfx/geometry/scroll_offset.h" |
15 | 15 |
16 namespace cc { | 16 namespace cc { |
17 | 17 |
18 class AnimationPlayer; | 18 class AnimationPlayer; |
19 class AnimationHost; | 19 class AnimationHost; |
20 class AnimationTimeline; | 20 class AnimationTimeline; |
21 | 21 |
22 // Contains an AnimationTimeline and its AnimationPlayer that owns the impl | 22 // Contains an AnimationTimeline and its AnimationPlayer that owns the impl |
23 // only scroll offset animations running on a particular CC Layer. | 23 // only scroll offset animations running on a particular CC Layer. |
24 // We have just one player for impl-only scroll offset animations. I.e. only | 24 // We have just one player for impl-only scroll offset animations. I.e. only |
25 // one element can have an impl-only scroll offset animation at any given time. | 25 // one element can have an impl-only scroll offset animation at any given time. |
26 // Note that this class only exists on the compositor thread. | 26 // Note that this class only exists on the compositor thread. |
27 class CC_EXPORT ScrollOffsetAnimationsImpl : public AnimationDelegate { | 27 class CC_ANIMATION_EXPORT ScrollOffsetAnimationsImpl |
| 28 : public AnimationDelegate { |
28 public: | 29 public: |
29 explicit ScrollOffsetAnimationsImpl(AnimationHost* animation_host); | 30 explicit ScrollOffsetAnimationsImpl(AnimationHost* animation_host); |
30 | 31 |
31 ~ScrollOffsetAnimationsImpl() override; | 32 ~ScrollOffsetAnimationsImpl() override; |
32 | 33 |
33 void ScrollAnimationCreate(ElementId element_id, | 34 void ScrollAnimationCreate(ElementId element_id, |
34 const gfx::ScrollOffset& target_offset, | 35 const gfx::ScrollOffset& target_offset, |
35 const gfx::ScrollOffset& current_offset, | 36 const gfx::ScrollOffset& current_offset, |
36 base::TimeDelta delayed_by); | 37 base::TimeDelta delayed_by); |
37 | 38 |
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74 // I.e. only one element can have an impl-only scroll offset animation at | 75 // I.e. only one element can have an impl-only scroll offset animation at |
75 // any given time. | 76 // any given time. |
76 scoped_refptr<AnimationPlayer> scroll_offset_animation_player_; | 77 scoped_refptr<AnimationPlayer> scroll_offset_animation_player_; |
77 | 78 |
78 DISALLOW_COPY_AND_ASSIGN(ScrollOffsetAnimationsImpl); | 79 DISALLOW_COPY_AND_ASSIGN(ScrollOffsetAnimationsImpl); |
79 }; | 80 }; |
80 | 81 |
81 } // namespace cc | 82 } // namespace cc |
82 | 83 |
83 #endif // CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ | 84 #endif // CC_ANIMATION_SCROLL_OFFSET_ANIMATIONS_IMPL_H_ |
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