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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_EMULATOR_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_H_ |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_H_ |
| 7 | 7 |
| 8 #include "content/browser/renderer_host/input/touch_emulator_client.h" | 8 #include "content/browser/renderer_host/input/touch_emulator_client.h" |
| 9 #include "content/common/cursors/webcursor.h" | 9 #include "content/common/cursors/webcursor.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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| 38 // Returns |true| if the event ack was consumed. Consumed ack should not | 38 // Returns |true| if the event ack was consumed. Consumed ack should not |
| 39 // propagate any further. | 39 // propagate any further. |
| 40 bool HandleTouchEventAck(const blink::WebTouchEvent& event, | 40 bool HandleTouchEventAck(const blink::WebTouchEvent& event, |
| 41 InputEventAckState ack_result); | 41 InputEventAckState ack_result); |
| 42 | 42 |
| 43 // Cancel any touches, for example, when focus is lost. | 43 // Cancel any touches, for example, when focus is lost. |
| 44 void CancelTouch(); | 44 void CancelTouch(); |
| 45 | 45 |
| 46 private: | 46 private: |
| 47 // ui::GestureProviderClient implementation. | 47 // ui::GestureProviderClient implementation. |
| 48 virtual void OnGestureEvent(const ui::GestureEventData& gesture) OVERRIDE; | 48 virtual void OnGestureEvent(const ui::GestureEventData& gesture) override; |
| 49 | 49 |
| 50 // Returns cursor size in DIP. | 50 // Returns cursor size in DIP. |
| 51 gfx::SizeF InitCursorFromResource( | 51 gfx::SizeF InitCursorFromResource( |
| 52 WebCursor* cursor, float scale, int resource_id); | 52 WebCursor* cursor, float scale, int resource_id); |
| 53 void ResetState(); | 53 void ResetState(); |
| 54 void UpdateCursor(); | 54 void UpdateCursor(); |
| 55 bool UpdateShiftPressed(bool shift_pressed); | 55 bool UpdateShiftPressed(bool shift_pressed); |
| 56 | 56 |
| 57 // Whether we should convert scrolls into pinches. | 57 // Whether we should convert scrolls into pinches. |
| 58 bool InPinchGestureMode() const; | 58 bool InPinchGestureMode() const; |
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| 104 // The cumulative scale change from the start of pinch gesture. | 104 // The cumulative scale change from the start of pinch gesture. |
| 105 float pinch_scale_; | 105 float pinch_scale_; |
| 106 bool pinch_gesture_active_; | 106 bool pinch_gesture_active_; |
| 107 | 107 |
| 108 DISALLOW_COPY_AND_ASSIGN(TouchEmulator); | 108 DISALLOW_COPY_AND_ASSIGN(TouchEmulator); |
| 109 }; | 109 }; |
| 110 | 110 |
| 111 } // namespace content | 111 } // namespace content |
| 112 | 112 |
| 113 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_H_ | 113 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_H_ |
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