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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 CC_INPUT_INPUT_HANDLER_H_ | 5 #ifndef CC_INPUT_INPUT_HANDLER_H_ |
6 #define CC_INPUT_INPUT_HANDLER_H_ | 6 #define CC_INPUT_INPUT_HANDLER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
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135 const gfx::Point& anchor) = 0; | 135 const gfx::Point& anchor) = 0; |
136 virtual void PinchGestureEnd() = 0; | 136 virtual void PinchGestureEnd() = 0; |
137 | 137 |
138 // Request another callback to InputHandlerClient::Animate(). | 138 // Request another callback to InputHandlerClient::Animate(). |
139 virtual void SetNeedsAnimate() = 0; | 139 virtual void SetNeedsAnimate() = 0; |
140 | 140 |
141 // Whether the layer under |viewport_point| is the currently scrolling layer. | 141 // Whether the layer under |viewport_point| is the currently scrolling layer. |
142 virtual bool IsCurrentlyScrollingLayerAt(const gfx::Point& viewport_point, | 142 virtual bool IsCurrentlyScrollingLayerAt(const gfx::Point& viewport_point, |
143 ScrollInputType type) = 0; | 143 ScrollInputType type) = 0; |
144 | 144 |
145 virtual bool HaveWheelEventHandlersAt(const gfx::Point& viewport_point) = 0; | 145 virtual bool HaveWheelEventHandlersAt(const gfx::Point& viewport_point) = 0; |
jdduke (slow)
2015/02/03 16:43:34
Now that "blocks on" is the phrasing used for both
Rick Byers
2015/02/05 04:35:53
Yeah I considered changing this but the semantics
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146 virtual bool HaveTouchEventHandlersAt(const gfx::Point& viewport_point) = 0; | 146 |
147 // Whether the page should be given the opportunity to suppress scrolling by | |
148 // consuming touch events that started at |viewport_point|. | |
149 virtual bool DoTouchEventsBlockScrollAt(const gfx::Point& viewport_point) = 0; | |
147 | 150 |
148 // Calling CreateLatencyInfoSwapPromiseMonitor() to get a scoped | 151 // Calling CreateLatencyInfoSwapPromiseMonitor() to get a scoped |
149 // LatencyInfoSwapPromiseMonitor. During the life time of the | 152 // LatencyInfoSwapPromiseMonitor. During the life time of the |
150 // LatencyInfoSwapPromiseMonitor, if SetNeedsRedraw() or SetNeedsRedrawRect() | 153 // LatencyInfoSwapPromiseMonitor, if SetNeedsRedraw() or SetNeedsRedrawRect() |
151 // is called on LayerTreeHostImpl, the original latency info will be turned | 154 // is called on LayerTreeHostImpl, the original latency info will be turned |
152 // into a LatencyInfoSwapPromise. | 155 // into a LatencyInfoSwapPromise. |
153 virtual scoped_ptr<SwapPromiseMonitor> CreateLatencyInfoSwapPromiseMonitor( | 156 virtual scoped_ptr<SwapPromiseMonitor> CreateLatencyInfoSwapPromiseMonitor( |
154 ui::LatencyInfo* latency) = 0; | 157 ui::LatencyInfo* latency) = 0; |
155 | 158 |
156 virtual ScrollElasticityHelper* CreateScrollElasticityHelper() = 0; | 159 virtual ScrollElasticityHelper* CreateScrollElasticityHelper() = 0; |
157 | 160 |
158 protected: | 161 protected: |
159 InputHandler() {} | 162 InputHandler() {} |
160 virtual ~InputHandler() {} | 163 virtual ~InputHandler() {} |
161 | 164 |
162 private: | 165 private: |
163 DISALLOW_COPY_AND_ASSIGN(InputHandler); | 166 DISALLOW_COPY_AND_ASSIGN(InputHandler); |
164 }; | 167 }; |
165 | 168 |
166 } // namespace cc | 169 } // namespace cc |
167 | 170 |
168 #endif // CC_INPUT_INPUT_HANDLER_H_ | 171 #endif // CC_INPUT_INPUT_HANDLER_H_ |
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