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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ |
7 | 7 |
8 #include "content/browser/renderer_host/event_with_latency_info.h" | 8 #include "content/browser/renderer_host/event_with_latency_info.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 #include "content/common/input/input_event_ack_state.h" | 10 #include "content/common/input/input_event_ack_state.h" |
11 #include "content/public/browser/native_web_keyboard_event.h" | 11 #include "content/public/browser/native_web_keyboard_event.h" |
12 #include "third_party/WebKit/public/web/WebInputEvent.h" | 12 #include "third_party/WebKit/public/web/WebInputEvent.h" |
13 | 13 |
14 namespace ui { | 14 namespace ui { |
15 struct LatencyInfo; | 15 struct LatencyInfo; |
16 } | 16 } |
17 | 17 |
18 namespace content { | 18 namespace content { |
19 | 19 |
20 class OverscrollController; | 20 class OverscrollController; |
| 21 struct DidOverscrollParams; |
21 | 22 |
22 class CONTENT_EXPORT InputRouterClient { | 23 class CONTENT_EXPORT InputRouterClient { |
23 public: | 24 public: |
24 virtual ~InputRouterClient() {} | 25 virtual ~InputRouterClient() {} |
25 | 26 |
26 // Called just prior to events being sent to the renderer, giving the client | 27 // Called just prior to events being sent to the renderer, giving the client |
27 // a chance to perform in-process event filtering. | 28 // a chance to perform in-process event filtering. |
28 // The returned disposition will yield the following behavior: | 29 // The returned disposition will yield the following behavior: |
29 // * |NOT_CONSUMED| will result in |input_event| being sent as usual. | 30 // * |NOT_CONSUMED| will result in |input_event| being sent as usual. |
30 // * |CONSUMED| or |NO_CONSUMER_EXISTS| will trigger the appropriate ack. | 31 // * |CONSUMED| or |NO_CONSUMER_EXISTS| will trigger the appropriate ack. |
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49 | 50 |
50 // Certain router implementations require periodic flushing of queued events. | 51 // Certain router implementations require periodic flushing of queued events. |
51 // When this method is called, the client should ensure a timely call, either | 52 // When this method is called, the client should ensure a timely call, either |
52 // synchronous or asynchronous, of |Flush| on the InputRouter. | 53 // synchronous or asynchronous, of |Flush| on the InputRouter. |
53 virtual void SetNeedsFlush() = 0; | 54 virtual void SetNeedsFlush() = 0; |
54 | 55 |
55 // Called when the router has finished flushing all events queued at the time | 56 // Called when the router has finished flushing all events queued at the time |
56 // of the call to Flush. The call will typically be asynchronous with | 57 // of the call to Flush. The call will typically be asynchronous with |
57 // respect to the call to |Flush| on the InputRouter. | 58 // respect to the call to |Flush| on the InputRouter. |
58 virtual void DidFlush() = 0; | 59 virtual void DidFlush() = 0; |
| 60 |
| 61 virtual void DidOverscroll(const DidOverscrollParams& params) = 0; |
59 }; | 62 }; |
60 | 63 |
61 } // namespace content | 64 } // namespace content |
62 | 65 |
63 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ | 66 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ |
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