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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_GESTURE_EVENT_PACKET_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_ |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_ |
| 7 | 7 |
| 8 #include "content/common/content_export.h" | 8 #include "content/common/content_export.h" |
| 9 #include "third_party/WebKit/public/web/WebInputEvent.h" | 9 #include "third_party/WebKit/public/web/WebInputEvent.h" |
| 10 | 10 |
| 11 namespace ui { |
| 12 class MotionEvent; |
| 13 } |
| 14 |
| 11 namespace content { | 15 namespace content { |
| 12 | 16 |
| 13 // Acts as a transport container for gestures created (directly or indirectly) | 17 // Acts as a transport container for gestures created (directly or indirectly) |
| 14 // by a touch event. | 18 // by a touch event. |
| 15 class CONTENT_EXPORT GestureEventPacket { | 19 class CONTENT_EXPORT GestureEventPacket { |
| 16 public: | 20 public: |
| 17 enum GestureSource { | 21 enum GestureSource { |
| 18 UNDEFINED = -1, // Used only for a default-constructed packet. | 22 UNDEFINED = -1, // Used only for a default-constructed packet. |
| 19 INVALID, // The source of the gesture was invalid. | 23 INVALID, // The source of the gesture was invalid. |
| 20 TOUCH_SEQUENCE_BEGIN, // The start of a new gesture sequence. | 24 TOUCH_SEQUENCE_BEGIN, // The start of a new gesture sequence. |
| 21 TOUCH_SEQUENCE_END, // The end of gesture sequence. | 25 TOUCH_SEQUENCE_END, // The end of gesture sequence. |
| 22 TOUCH_BEGIN, // A touch down occured during a gesture sequence. | 26 TOUCH_BEGIN, // A touch down occured during a gesture sequence. |
| 23 TOUCH_MOVE, // A touch move occured during a gesture sequence. | 27 TOUCH_MOVE, // A touch move occured during a gesture sequence. |
| 24 TOUCH_END, // A touch up occured during a gesture sequence. | 28 TOUCH_END, // A touch up occured during a gesture sequence. |
| 25 TOUCH_TIMEOUT, // Timeout from an existing gesture sequence. | 29 TOUCH_TIMEOUT, // Timeout from an existing gesture sequence. |
| 26 }; | 30 }; |
| 27 | 31 |
| 28 GestureEventPacket(); | 32 GestureEventPacket(); |
| 29 GestureEventPacket(const GestureEventPacket& other); | 33 GestureEventPacket(const GestureEventPacket& other); |
| 30 ~GestureEventPacket(); | 34 ~GestureEventPacket(); |
| 31 GestureEventPacket& operator=(const GestureEventPacket& other); | 35 GestureEventPacket& operator=(const GestureEventPacket& other); |
| 32 | 36 |
| 33 // Factory methods for creating a packet from a particular event. | 37 // Factory methods for creating a packet from a particular event. |
| 34 static GestureEventPacket FromTouch(const blink::WebTouchEvent& event); | 38 static GestureEventPacket FromTouch(const blink::WebTouchEvent& event); |
| 39 static GestureEventPacket FromTouch(const ui::MotionEvent& event); |
| 35 static GestureEventPacket FromTouchTimeout( | 40 static GestureEventPacket FromTouchTimeout( |
| 36 const blink::WebGestureEvent& event); | 41 const blink::WebGestureEvent& event); |
| 37 | 42 |
| 38 void Push(const blink::WebGestureEvent& gesture); | 43 void Push(const blink::WebGestureEvent& gesture); |
| 39 | 44 |
| 40 const blink::WebGestureEvent& gesture(size_t i) const { return gestures_[i]; } | 45 const blink::WebGestureEvent& gesture(size_t i) const { return gestures_[i]; } |
| 41 size_t gesture_count() const { return gesture_count_; } | 46 size_t gesture_count() const { return gesture_count_; } |
| 42 GestureSource gesture_source() const { return gesture_source_; } | 47 GestureSource gesture_source() const { return gesture_source_; } |
| 43 | 48 |
| 44 private: | 49 private: |
| 45 explicit GestureEventPacket(GestureSource source); | 50 explicit GestureEventPacket(GestureSource source); |
| 46 | 51 |
| 47 enum { kMaxGesturesPerTouch = 5 }; | 52 enum { kMaxGesturesPerTouch = 5 }; |
| 48 blink::WebGestureEvent gestures_[kMaxGesturesPerTouch]; | 53 blink::WebGestureEvent gestures_[kMaxGesturesPerTouch]; |
| 49 size_t gesture_count_; | 54 size_t gesture_count_; |
| 50 GestureSource gesture_source_; | 55 GestureSource gesture_source_; |
| 51 }; | 56 }; |
| 52 | 57 |
| 53 } // namespace content | 58 } // namespace content |
| 54 | 59 |
| 55 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_ | 60 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_ |
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