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Side by Side Diff: content/browser/renderer_host/input/input_router_client.h

Issue 1408213002: Add hooks for flushing input from BeginFrame dispatch on Aura (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix build for real Created 5 years, 2 months ago
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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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26 // Called just prior to events being sent to the renderer, giving the client 26 // Called just prior to events being sent to the renderer, giving the client
27 // a chance to perform in-process event filtering. 27 // a chance to perform in-process event filtering.
28 // The returned disposition will yield the following behavior: 28 // The returned disposition will yield the following behavior:
29 // * |NOT_CONSUMED| will result in |input_event| being sent as usual. 29 // * |NOT_CONSUMED| will result in |input_event| being sent as usual.
30 // * |CONSUMED| or |NO_CONSUMER_EXISTS| will trigger the appropriate ack. 30 // * |CONSUMED| or |NO_CONSUMER_EXISTS| will trigger the appropriate ack.
31 // * |UNKNOWN| will result in |input_event| being dropped. 31 // * |UNKNOWN| will result in |input_event| being dropped.
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 that expects an ACK 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. 42 // Called when the renderer notifies that it has touch event handlers.
43 virtual void OnHasTouchEventHandlers(bool has_handlers) = 0; 43 virtual void OnHasTouchEventHandlers(bool has_handlers) = 0;
44 44
45 // Called when the router has finished flushing all events queued at the time 45 // Called when the InputRouter requires a frame-aligned flush signal to
46 // of the call to Flush. The call will typically be asynchronous with 46 // forward pending input.
47 // respect to the call to |Flush| on the InputRouter. 47 virtual void SetNeedsFlushInput() = 0;
48 virtual void DidFlush() = 0; 48
49 // Called when the router has finished processing all queued events, both
50 // those awaiting dispatch and those currently in-flight.
51 virtual void DidFlushAllInput() = 0;
49 52
50 // Called when the router has received an overscroll notification from the 53 // Called when the router has received an overscroll notification from the
51 // renderer. 54 // renderer.
52 virtual void DidOverscroll(const DidOverscrollParams& params) = 0; 55 virtual void DidOverscroll(const DidOverscrollParams& params) = 0;
53 56
54 // Called when a renderer fling has terminated. 57 // Called when a renderer fling has terminated.
55 virtual void DidStopFlinging() = 0; 58 virtual void DidStopFlinging() = 0;
56 }; 59 };
57 60
58 } // namespace content 61 } // namespace content
59 62
60 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_ 63 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CLIENT_H_
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