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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_TOUCH_EVENT_QUEUE_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EVENT_QUEUE_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EVENT_QUEUE_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EVENT_QUEUE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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105 // Sets whether the current site has a mobile friendly viewport. This | 105 // Sets whether the current site has a mobile friendly viewport. This |
106 // determines which ack timeout delay will be used for *future* touch events. | 106 // determines which ack timeout delay will be used for *future* touch events. |
107 // The default assumption is that the site is *not* mobile-optimized. | 107 // The default assumption is that the site is *not* mobile-optimized. |
108 virtual void SetIsMobileOptimizedSite(bool mobile_optimized_site) = 0; | 108 virtual void SetIsMobileOptimizedSite(bool mobile_optimized_site) = 0; |
109 | 109 |
110 // Whether ack timeout behavior is supported and enabled for the current site. | 110 // Whether ack timeout behavior is supported and enabled for the current site. |
111 virtual bool IsAckTimeoutEnabled() const = 0; | 111 virtual bool IsAckTimeoutEnabled() const = 0; |
112 | 112 |
113 virtual bool Empty() const WARN_UNUSED_RESULT = 0; | 113 virtual bool Empty() const WARN_UNUSED_RESULT = 0; |
114 | 114 |
| 115 protected: |
| 116 virtual void SendTouchCancelEventForTouchEvent( |
| 117 const TouchEventWithLatencyInfo& event_to_cancel) = 0; |
| 118 |
| 119 // Empties the queue of touch events. This may result in any number of gesture |
| 120 // events being sent to the renderer. |
| 121 virtual void FlushQueue() = 0; |
| 122 virtual void UpdateTouchConsumerStates(const blink::WebTouchEvent& event, |
| 123 InputEventAckState ack_result) = 0; |
| 124 |
115 private: | 125 private: |
| 126 friend class TouchTimeoutHandler; |
| 127 |
116 DISALLOW_COPY_AND_ASSIGN(TouchEventQueue); | 128 DISALLOW_COPY_AND_ASSIGN(TouchEventQueue); |
117 }; | 129 }; |
118 | 130 |
119 } // namespace content | 131 } // namespace content |
120 | 132 |
121 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EVENT_QUEUE_H_ | 133 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EVENT_QUEUE_H_ |
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