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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_UI_EVENTS_HELPER_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_ |
7 | 7 |
8 #include "base/memory/scoped_vector.h" | 8 #include <memory> |
| 9 #include <vector> |
| 10 |
9 #include "content/browser/renderer_host/event_with_latency_info.h" | 11 #include "content/browser/renderer_host/event_with_latency_info.h" |
10 #include "content/common/content_export.h" | 12 #include "content/common/content_export.h" |
11 | 13 |
12 namespace ui { | 14 namespace ui { |
13 class TouchEvent; | 15 class TouchEvent; |
14 } | 16 } |
15 | 17 |
16 namespace content { | 18 namespace content { |
17 | 19 |
18 enum TouchEventCoordinateSystem { | 20 enum TouchEventCoordinateSystem { |
19 SCREEN_COORDINATES, | 21 SCREEN_COORDINATES, |
20 LOCAL_COORDINATES | 22 LOCAL_COORDINATES |
21 }; | 23 }; |
22 | 24 |
23 // Creates a list of ui::TouchEvents out of a single WebTouchEvent. | 25 // Creates a list of ui::TouchEvents out of a single WebTouchEvent. |
24 // A WebTouchEvent can contain information about a number of WebTouchPoints, | 26 // A WebTouchEvent can contain information about a number of WebTouchPoints, |
25 // whereas a ui::TouchEvent contains information about a single touch-point. So | 27 // whereas a ui::TouchEvent contains information about a single touch-point. So |
26 // it is possible to create more than one ui::TouchEvents out of a single | 28 // it is possible to create more than one ui::TouchEvents out of a single |
27 // WebTouchEvent. All the ui::TouchEvent in the list will carry the same | 29 // WebTouchEvent. All the ui::TouchEvent in the list will carry the same |
28 // LatencyInfo the WebTouchEvent carries. | 30 // LatencyInfo the WebTouchEvent carries. |
29 // |coordinate_system| specifies which fields to use for the co-ordinates, | 31 // |coordinate_system| specifies which fields to use for the co-ordinates, |
30 // WebTouchPoint.position or WebTouchPoint.screenPosition. Is's up to the | 32 // WebTouchPoint.position or WebTouchPoint.screenPosition. Is's up to the |
31 // caller to do any co-ordinate system mapping (typically to get them into | 33 // caller to do any co-ordinate system mapping (typically to get them into |
32 // the Aura EventDispatcher co-ordinate system). | 34 // the Aura EventDispatcher co-ordinate system). |
33 CONTENT_EXPORT bool MakeUITouchEventsFromWebTouchEvents( | 35 CONTENT_EXPORT bool MakeUITouchEventsFromWebTouchEvents( |
34 const TouchEventWithLatencyInfo& touch, | 36 const TouchEventWithLatencyInfo& touch, |
35 ScopedVector<ui::TouchEvent>* list, | 37 std::vector<std::unique_ptr<ui::TouchEvent>>* list, |
36 TouchEventCoordinateSystem coordinate_system); | 38 TouchEventCoordinateSystem coordinate_system); |
37 | 39 |
38 } // namespace content | 40 } // namespace content |
39 | 41 |
40 #endif // CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_ | 42 #endif // CONTENT_BROWSER_RENDERER_HOST_UI_EVENTS_HELPER_H_ |
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