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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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| 26 | 26 |
| 27 // A call-through to DoesIntersectRect() on |delegate_|. | 27 // A call-through to DoesIntersectRect() on |delegate_|. |
| 28 bool DoesIntersectRect(const View* target, const gfx::Rect& rect) const; | 28 bool DoesIntersectRect(const View* target, const gfx::Rect& rect) const; |
| 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 virtual ui::EventTarget* FindTargetForEvent(ui::EventTarget* root, | 35 virtual ui::EventTarget* FindTargetForEvent(ui::EventTarget* root, |
| 36 ui::Event* event) OVERRIDE; | 36 ui::Event* event) override; |
| 37 virtual ui::EventTarget* FindNextBestTarget(ui::EventTarget* previous_target, | 37 virtual ui::EventTarget* FindNextBestTarget(ui::EventTarget* previous_target, |
| 38 ui::Event* event) OVERRIDE; | 38 ui::Event* event) override; |
| 39 virtual bool SubtreeCanAcceptEvent( | 39 virtual bool SubtreeCanAcceptEvent( |
| 40 ui::EventTarget* target, | 40 ui::EventTarget* target, |
| 41 const ui::LocatedEvent& event) const OVERRIDE; | 41 const ui::LocatedEvent& event) const override; |
| 42 virtual bool EventLocationInsideBounds( | 42 virtual bool EventLocationInsideBounds( |
| 43 ui::EventTarget* target, | 43 ui::EventTarget* target, |
| 44 const ui::LocatedEvent& event) const OVERRIDE; | 44 const ui::LocatedEvent& event) const override; |
| 45 | 45 |
| 46 private: | 46 private: |
| 47 // TODO(tdanderson): Un-friend RootView once RootView::DispatchGestureEvent() | 47 // TODO(tdanderson): Un-friend RootView once RootView::DispatchGestureEvent() |
| 48 // has been removed. | 48 // has been removed. |
| 49 friend class internal::RootView; | 49 friend class internal::RootView; |
| 50 | 50 |
| 51 View* FindTargetForKeyEvent(View* root, const ui::KeyEvent& key); | 51 View* FindTargetForKeyEvent(View* root, const ui::KeyEvent& key); |
| 52 View* FindTargetForScrollEvent(View* root, const ui::ScrollEvent& scroll); | 52 View* FindTargetForScrollEvent(View* root, const ui::ScrollEvent& scroll); |
| 53 | 53 |
| 54 virtual View* FindTargetForGestureEvent(View* root, | 54 virtual View* FindTargetForGestureEvent(View* root, |
| 55 const ui::GestureEvent& gesture); | 55 const ui::GestureEvent& gesture); |
| 56 virtual ui::EventTarget* FindNextBestTargetForGestureEvent( | 56 virtual ui::EventTarget* FindNextBestTargetForGestureEvent( |
| 57 ui::EventTarget* previous_target, | 57 ui::EventTarget* previous_target, |
| 58 const ui::GestureEvent& gesture); | 58 const ui::GestureEvent& gesture); |
| 59 | 59 |
| 60 // ViewTargeter does not own the |delegate_|, but |delegate_| must | 60 // ViewTargeter does not own the |delegate_|, but |delegate_| must |
| 61 // outlive the targeter. | 61 // outlive the targeter. |
| 62 ViewTargeterDelegate* delegate_; | 62 ViewTargeterDelegate* delegate_; |
| 63 | 63 |
| 64 DISALLOW_COPY_AND_ASSIGN(ViewTargeter); | 64 DISALLOW_COPY_AND_ASSIGN(ViewTargeter); |
| 65 }; | 65 }; |
| 66 | 66 |
| 67 } // namespace views | 67 } // namespace views |
| 68 | 68 |
| 69 #endif // UI_VIEWS_VIEW_TARGETER_H_ | 69 #endif // UI_VIEWS_VIEW_TARGETER_H_ |
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