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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 TouchEventManager_h | 5 #ifndef TouchEventManager_h |
6 #define TouchEventManager_h | 6 #define TouchEventManager_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/events/PointerEventFactory.h" | 9 #include "core/events/PointerEventFactory.h" |
10 #include "core/input/EventHandlingUtil.h" | 10 #include "core/input/EventHandlingUtil.h" |
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21 class Document; | 21 class Document; |
22 class WebTouchEvent; | 22 class WebTouchEvent; |
23 | 23 |
24 // This class takes care of dispatching all touch events and | 24 // This class takes care of dispatching all touch events and |
25 // maintaining related states. | 25 // maintaining related states. |
26 class CORE_EXPORT TouchEventManager | 26 class CORE_EXPORT TouchEventManager |
27 : public GarbageCollectedFinalized<TouchEventManager> { | 27 : public GarbageCollectedFinalized<TouchEventManager> { |
28 WTF_MAKE_NONCOPYABLE(TouchEventManager); | 28 WTF_MAKE_NONCOPYABLE(TouchEventManager); |
29 | 29 |
30 public: | 30 public: |
31 | |
32 explicit TouchEventManager(LocalFrame&); | 31 explicit TouchEventManager(LocalFrame&); |
33 DECLARE_TRACE(); | 32 DECLARE_TRACE(); |
34 | 33 |
35 // The entries in touch point array of WebTouchEvent (i.e. first parameter) | 34 // The entries in touch point array of WebTouchEvent (i.e. first parameter) |
36 // correspond to the entries of the PointerEventTargets (i.e. last parameter). | 35 // correspond to the entries of the PointerEventTargets (i.e. last parameter). |
37 WebInputEventResult HandleTouchEvent( | 36 WebInputEventResult HandleTouchEvent( |
38 const WebTouchEvent&, | 37 const WebTouchEvent&, |
39 const Vector<WebTouchEvent>&, | 38 const Vector<WebTouchEvent>&, |
40 const HeapVector<EventHandlingUtil::PointerEventTarget>&); | 39 const HeapVector<EventHandlingUtil::PointerEventTarget>&); |
41 | 40 |
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89 bool suppressing_touchmoves_within_slop_; | 88 bool suppressing_touchmoves_within_slop_; |
90 | 89 |
91 // The current touch action, computed on each touch start and is | 90 // The current touch action, computed on each touch start and is |
92 // a union of all touches. Reset when all touches are released. | 91 // a union of all touches. Reset when all touches are released. |
93 TouchAction current_touch_action_; | 92 TouchAction current_touch_action_; |
94 }; | 93 }; |
95 | 94 |
96 } // namespace blink | 95 } // namespace blink |
97 | 96 |
98 #endif // TouchEventManager_h | 97 #endif // TouchEventManager_h |
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