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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" |
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32 virtual InputEventAckState FilterInputEvent( | 32 virtual InputEventAckState FilterInputEvent( |
33 const blink::WebInputEvent& input_event, | 33 const blink::WebInputEvent& input_event, |
34 const ui::LatencyInfo& latency_info) = 0; | 34 const ui::LatencyInfo& latency_info) = 0; |
35 | 35 |
36 // Called each time a WebInputEvent IPC is sent. | 36 // Called each time a WebInputEvent IPC is sent. |
37 virtual void IncrementInFlightEventCount() = 0; | 37 virtual void IncrementInFlightEventCount() = 0; |
38 | 38 |
39 // Called each time a WebInputEvent ACK IPC is received. | 39 // Called each time a WebInputEvent ACK IPC is received. |
40 virtual void DecrementInFlightEventCount() = 0; | 40 virtual void DecrementInFlightEventCount() = 0; |
41 | 41 |
42 // Called when the renderer notifies that it has touch event handlers. | |
43 virtual void OnHasTouchEventHandlers(bool has_handlers) = 0; | |
44 | |
45 // Certain router implementations require periodic flushing of queued events. | |
46 // When this method is called, the client should ensure a timely call, either | |
47 // synchronous or asynchronous, of |Flush| on the InputRouter. | |
48 virtual void SetNeedsFlush() = 0; | |
49 | |
50 // Called when the router has finished flushing all events queued at the time | 42 // Called when the router has finished flushing all events queued at the time |
51 // of the call to Flush. The call will typically be asynchronous with | 43 // of the call to Flush. The call will typically be asynchronous with |
52 // respect to the call to |Flush| on the InputRouter. | 44 // respect to the call to |Flush| on the InputRouter. |
53 virtual void DidFlush() = 0; | 45 virtual void DidFlush() = 0; |
54 | 46 |
55 // Called when the router has received an overscroll notification from the | 47 // Called when the router has received an overscroll notification from the |
56 // renderer. | 48 // renderer. |
57 virtual void DidOverscroll(const DidOverscrollParams& params) = 0; | 49 virtual void DidOverscroll(const DidOverscrollParams& params) = 0; |
58 }; | 50 }; |
59 | 51 |
60 } // namespace content | 52 } // namespace content |
61 | 53 |
62 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ | 54 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ |
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