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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 UI_VIEWS_VIEW_TARGETER_H_ | 5 #ifndef UI_VIEWS_VIEW_TARGETER_H_ |
6 #define UI_VIEWS_VIEW_TARGETER_H_ | 6 #define UI_VIEWS_VIEW_TARGETER_H_ |
7 | 7 |
8 #include "ui/events/event_targeter.h" | 8 #include "ui/events/event_targeter.h" |
9 #include "ui/views/views_export.h" | 9 #include "ui/views/views_export.h" |
10 | 10 |
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29 | 29 |
30 // A call-through to TargetForRect() on |delegate_|. | 30 // A call-through to TargetForRect() on |delegate_|. |
31 View* TargetForRect(View* root, const gfx::Rect& rect) const; | 31 View* TargetForRect(View* root, const gfx::Rect& rect) const; |
32 | 32 |
33 protected: | 33 protected: |
34 // ui::EventTargeter: | 34 // ui::EventTargeter: |
35 ui::EventTarget* FindTargetForEvent(ui::EventTarget* root, | 35 ui::EventTarget* FindTargetForEvent(ui::EventTarget* root, |
36 ui::Event* event) override; | 36 ui::Event* event) override; |
37 ui::EventTarget* FindNextBestTarget(ui::EventTarget* previous_target, | 37 ui::EventTarget* FindNextBestTarget(ui::EventTarget* previous_target, |
38 ui::Event* event) override; | 38 ui::Event* event) override; |
39 bool SubtreeCanAcceptEvent(ui::EventTarget* target, | |
40 const ui::LocatedEvent& event) const override; | |
41 bool EventLocationInsideBounds(ui::EventTarget* target, | |
42 const ui::LocatedEvent& event) const override; | |
43 | 39 |
44 private: | 40 private: |
45 View* FindTargetForKeyEvent(View* root, const ui::KeyEvent& key); | 41 View* FindTargetForKeyEvent(View* root, const ui::KeyEvent& key); |
46 View* FindTargetForScrollEvent(View* root, const ui::ScrollEvent& scroll); | 42 View* FindTargetForScrollEvent(View* root, const ui::ScrollEvent& scroll); |
47 | 43 |
48 virtual View* FindTargetForGestureEvent(View* root, | 44 virtual View* FindTargetForGestureEvent(View* root, |
49 const ui::GestureEvent& gesture); | 45 const ui::GestureEvent& gesture); |
50 virtual ui::EventTarget* FindNextBestTargetForGestureEvent( | 46 virtual ui::EventTarget* FindNextBestTargetForGestureEvent( |
51 ui::EventTarget* previous_target, | 47 ui::EventTarget* previous_target, |
52 const ui::GestureEvent& gesture); | 48 const ui::GestureEvent& gesture); |
53 | 49 |
54 // ViewTargeter does not own the |delegate_|, but |delegate_| must | 50 // ViewTargeter does not own the |delegate_|, but |delegate_| must |
55 // outlive the targeter. | 51 // outlive the targeter. |
56 ViewTargeterDelegate* delegate_; | 52 ViewTargeterDelegate* delegate_; |
57 | 53 |
58 DISALLOW_COPY_AND_ASSIGN(ViewTargeter); | 54 DISALLOW_COPY_AND_ASSIGN(ViewTargeter); |
59 }; | 55 }; |
60 | 56 |
61 } // namespace views | 57 } // namespace views |
62 | 58 |
63 #endif // UI_VIEWS_VIEW_TARGETER_H_ | 59 #endif // UI_VIEWS_VIEW_TARGETER_H_ |
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