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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 UI_VIEWS_VIEW_H_ | 5 #ifndef UI_VIEWS_VIEW_H_ |
| 6 #define UI_VIEWS_VIEW_H_ | 6 #define UI_VIEWS_VIEW_H_ |
| 7 | 7 |
| 8 #include <algorithm> | 8 #include <algorithm> |
| 9 #include <map> | 9 #include <map> |
| 10 #include <set> | 10 #include <set> |
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| 540 // because their drawing logic stays the same and they can become agnostic to | 540 // because their drawing logic stays the same and they can become agnostic to |
| 541 // the UI directionality. | 541 // the UI directionality. |
| 542 void EnableCanvasFlippingForRTLUI(bool enable) { | 542 void EnableCanvasFlippingForRTLUI(bool enable) { |
| 543 flip_canvas_on_paint_for_rtl_ui_ = enable; | 543 flip_canvas_on_paint_for_rtl_ui_ = enable; |
| 544 } | 544 } |
| 545 | 545 |
| 546 // Input --------------------------------------------------------------------- | 546 // Input --------------------------------------------------------------------- |
| 547 // The points, rects, mouse locations, and touch locations in the following | 547 // The points, rects, mouse locations, and touch locations in the following |
| 548 // functions are in the view's coordinates, except for a RootView. | 548 // functions are in the view's coordinates, except for a RootView. |
| 549 | 549 |
| 550 // TODO(tdanderson): GetEventHandlerForPoint() and GetEventHandlerForRect() | |
| 551 // will be removed once their logic is moved into | |
| 552 // ViewTargeter and its derived classes. See | |
| 553 // crbug.com/355425. | |
| 554 | |
| 555 // Convenience functions which calls into GetEventHandler() with | 550 // Convenience functions which calls into GetEventHandler() with |
| 556 // a 1x1 rect centered at |point|. | 551 // a 1x1 rect centered at |point|. |
| 557 View* GetEventHandlerForPoint(const gfx::Point& point); | 552 View* GetEventHandlerForPoint(const gfx::Point& point); |
| 558 | 553 |
| 559 // If point-based targeting should be used, return the deepest visible | 554 // If point-based targeting should be used, return the deepest visible |
| 560 // descendant that contains the center point of |rect|. | 555 // descendant that contains the center point of |rect|. |
| 561 // If rect-based targeting (i.e., fuzzing) should be used, return the | 556 // If rect-based targeting (i.e., fuzzing) should be used, return the |
| 562 // closest visible descendant having at least kRectTargetOverlap of | 557 // closest visible descendant having at least kRectTargetOverlap of |
| 563 // its area covered by |rect|. If no such descendant exists, return the | 558 // its area covered by |rect|. If no such descendant exists, return the |
| 564 // deepest visible descendant that contains the center point of |rect|. | 559 // deepest visible descendant that contains the center point of |rect|. |
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| 1587 // Belongs to this view, but it's reference-counted on some platforms | 1582 // Belongs to this view, but it's reference-counted on some platforms |
| 1588 // so we can't use a scoped_ptr. It's dereferenced in the destructor. | 1583 // so we can't use a scoped_ptr. It's dereferenced in the destructor. |
| 1589 NativeViewAccessibility* native_view_accessibility_; | 1584 NativeViewAccessibility* native_view_accessibility_; |
| 1590 | 1585 |
| 1591 DISALLOW_COPY_AND_ASSIGN(View); | 1586 DISALLOW_COPY_AND_ASSIGN(View); |
| 1592 }; | 1587 }; |
| 1593 | 1588 |
| 1594 } // namespace views | 1589 } // namespace views |
| 1595 | 1590 |
| 1596 #endif // UI_VIEWS_VIEW_H_ | 1591 #endif // UI_VIEWS_VIEW_H_ |
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