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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 CC_TREES_LAYER_TREE_HOST_CLIENT_H_ | 5 #ifndef CC_TREES_LAYER_TREE_HOST_CLIENT_H_ |
6 #define CC_TREES_LAYER_TREE_HOST_CLIENT_H_ | 6 #define CC_TREES_LAYER_TREE_HOST_CLIENT_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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36 // state. (The "compositing state" will result in a mutated layer tree on the | 36 // state. (The "compositing state" will result in a mutated layer tree on the |
37 // LayerTreeHost via additional interface indirections which lead back to | 37 // LayerTreeHost via additional interface indirections which lead back to |
38 // mutations on the LayerTreeHost.) | 38 // mutations on the LayerTreeHost.) |
39 virtual void UpdateLayerTreeHost() = 0; | 39 virtual void UpdateLayerTreeHost() = 0; |
40 virtual void ApplyViewportDeltas( | 40 virtual void ApplyViewportDeltas( |
41 const gfx::Vector2dF& inner_delta, | 41 const gfx::Vector2dF& inner_delta, |
42 const gfx::Vector2dF& outer_delta, | 42 const gfx::Vector2dF& outer_delta, |
43 const gfx::Vector2dF& elastic_overscroll_delta, | 43 const gfx::Vector2dF& elastic_overscroll_delta, |
44 float page_scale, | 44 float page_scale, |
45 float top_controls_delta) = 0; | 45 float top_controls_delta) = 0; |
| 46 virtual void RecordWheelAndTouchScrollingCount( |
| 47 bool has_scrolled_by_wheel, |
| 48 bool has_scrolled_by_touch) = 0; |
46 // Request an CompositorFrameSink from the client. When the client has one it | 49 // Request an CompositorFrameSink from the client. When the client has one it |
47 // should call LayerTreeHost::SetCompositorFrameSink. This will result in | 50 // should call LayerTreeHost::SetCompositorFrameSink. This will result in |
48 // either DidFailToInitializeCompositorFrameSink or | 51 // either DidFailToInitializeCompositorFrameSink or |
49 // DidInitializeCompositorFrameSink being called. | 52 // DidInitializeCompositorFrameSink being called. |
50 virtual void RequestNewCompositorFrameSink() = 0; | 53 virtual void RequestNewCompositorFrameSink() = 0; |
51 virtual void DidInitializeCompositorFrameSink() = 0; | 54 virtual void DidInitializeCompositorFrameSink() = 0; |
52 virtual void DidFailToInitializeCompositorFrameSink() = 0; | 55 virtual void DidFailToInitializeCompositorFrameSink() = 0; |
53 virtual void WillCommit() = 0; | 56 virtual void WillCommit() = 0; |
54 virtual void DidCommit() = 0; | 57 virtual void DidCommit() = 0; |
55 virtual void DidCommitAndDrawFrame() = 0; | 58 virtual void DidCommitAndDrawFrame() = 0; |
56 virtual void DidReceiveCompositorFrameAck() = 0; | 59 virtual void DidReceiveCompositorFrameAck() = 0; |
57 virtual void DidCompletePageScaleAnimation() = 0; | 60 virtual void DidCompletePageScaleAnimation() = 0; |
58 | 61 |
59 protected: | 62 protected: |
60 virtual ~LayerTreeHostClient() {} | 63 virtual ~LayerTreeHostClient() {} |
61 }; | 64 }; |
62 | 65 |
63 } // namespace cc | 66 } // namespace cc |
64 | 67 |
65 #endif // CC_TREES_LAYER_TREE_HOST_CLIENT_H_ | 68 #endif // CC_TREES_LAYER_TREE_HOST_CLIENT_H_ |
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