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Side by Side Diff: content/renderer/input/input_handler_proxy_client.h

Issue 136173004: Early terminate flings when scrolling impossible (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 6 years, 8 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_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_ 5 #ifndef CONTENT_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_
6 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_ 6 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_
7 7
8 namespace blink { 8 namespace blink {
9 class WebGestureCurve; 9 class WebGestureCurve;
10 struct WebActiveWheelFlingParameters; 10 struct WebActiveWheelFlingParameters;
11 struct WebFloatPoint; 11 struct WebFloatPoint;
12 struct WebSize; 12 struct WebSize;
13 } 13 }
14 14
15 namespace content { 15 namespace content {
16 16
17 struct DidOverscrollParams;
18
17 // All callbacks invoked from the compositor thread. 19 // All callbacks invoked from the compositor thread.
18 class InputHandlerProxyClient { 20 class InputHandlerProxyClient {
19 public: 21 public:
20 // Called just before the InputHandlerProxy shuts down. 22 // Called just before the InputHandlerProxy shuts down.
21 virtual void WillShutdown() = 0; 23 virtual void WillShutdown() = 0;
22 24
23 // Transfers an active wheel fling animation initiated by a previously 25 // Transfers an active wheel fling animation initiated by a previously
24 // handled input event out to the client. 26 // handled input event out to the client.
25 virtual void TransferActiveWheelFlingAnimation( 27 virtual void TransferActiveWheelFlingAnimation(
26 const blink::WebActiveWheelFlingParameters& params) = 0; 28 const blink::WebActiveWheelFlingParameters& params) = 0;
27 29
28 // Creates a new fling animation curve instance for device |device_source| 30 // Creates a new fling animation curve instance for device |device_source|
29 // with |velocity| and already scrolled |cumulative_scroll| pixels. 31 // with |velocity| and already scrolled |cumulative_scroll| pixels.
30 virtual blink::WebGestureCurve* CreateFlingAnimationCurve( 32 virtual blink::WebGestureCurve* CreateFlingAnimationCurve(
31 int device_source, 33 int device_source,
32 const blink::WebFloatPoint& velocity, 34 const blink::WebFloatPoint& velocity,
33 const blink::WebSize& cumulative_scroll) = 0; 35 const blink::WebSize& cumulative_scroll) = 0;
34 36
35 virtual void DidOverscroll(const cc::DidOverscrollParams& params) = 0; 37 virtual void DidOverscroll(const DidOverscrollParams& params) = 0;
36 38
37 virtual void DidStopFlinging() = 0; 39 virtual void DidStopFlinging() = 0;
38 40
39 protected: 41 protected:
40 virtual ~InputHandlerProxyClient() {} 42 virtual ~InputHandlerProxyClient() {}
41 }; 43 };
42 44
43 } // namespace content 45 } // namespace content
44 46
45 #endif // CONTENT_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_ 47 #endif // CONTENT_RENDERER_INPUT_INPUT_HANDLER_PROXY_CLIENT_H_
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