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Side by Side Diff: ui/views/view.h

Issue 10832282: Replace views::MouseEvent with ui::MouseEvent (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 4 months ago
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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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501 // view's coordinates, except for a RootView. 501 // view's coordinates, except for a RootView.
502 502
503 // Returns the deepest visible descendant that contains the specified point. 503 // Returns the deepest visible descendant that contains the specified point.
504 virtual View* GetEventHandlerForPoint(const gfx::Point& point); 504 virtual View* GetEventHandlerForPoint(const gfx::Point& point);
505 505
506 // Return the cursor that should be used for this view or the default cursor. 506 // Return the cursor that should be used for this view or the default cursor.
507 // The event location is in the receiver's coordinate system. The caller is 507 // The event location is in the receiver's coordinate system. The caller is
508 // responsible for managing the lifetime of the returned object, though that 508 // responsible for managing the lifetime of the returned object, though that
509 // lifetime may vary from platform to platform. On Windows and Aura, 509 // lifetime may vary from platform to platform. On Windows and Aura,
510 // the cursor is a shared resource. 510 // the cursor is a shared resource.
511 virtual gfx::NativeCursor GetCursor(const MouseEvent& event); 511 virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event);
512 512
513 // A convenience function which calls HitTestRect() with a rect of size 513 // A convenience function which calls HitTestRect() with a rect of size
514 // 1x1 and an origin of |point|. 514 // 1x1 and an origin of |point|.
515 bool HitTestPoint(const gfx::Point& point) const; 515 bool HitTestPoint(const gfx::Point& point) const;
516 516
517 // Tests whether |rect| intersects this view's bounds. 517 // Tests whether |rect| intersects this view's bounds.
518 virtual bool HitTestRect(const gfx::Rect& rect) const; 518 virtual bool HitTestRect(const gfx::Rect& rect) const;
519 519
520 // This method is invoked when the user clicks on this view. 520 // This method is invoked when the user clicks on this view.
521 // The provided event is in the receiver's coordinate system. 521 // The provided event is in the receiver's coordinate system.
522 // 522 //
523 // Return true if you processed the event and want to receive subsequent 523 // Return true if you processed the event and want to receive subsequent
524 // MouseDraggged and MouseReleased events. This also stops the event from 524 // MouseDraggged and MouseReleased events. This also stops the event from
525 // bubbling. If you return false, the event will bubble through parent 525 // bubbling. If you return false, the event will bubble through parent
526 // views. 526 // views.
527 // 527 //
528 // If you remove yourself from the tree while processing this, event bubbling 528 // If you remove yourself from the tree while processing this, event bubbling
529 // stops as if you returned true, but you will not receive future events. 529 // stops as if you returned true, but you will not receive future events.
530 // The return value is ignored in this case. 530 // The return value is ignored in this case.
531 // 531 //
532 // Default implementation returns true if a ContextMenuController has been 532 // Default implementation returns true if a ContextMenuController has been
533 // set, false otherwise. Override as needed. 533 // set, false otherwise. Override as needed.
534 // 534 //
535 virtual bool OnMousePressed(const MouseEvent& event); 535 virtual bool OnMousePressed(const ui::MouseEvent& event);
536 536
537 // This method is invoked when the user clicked on this control. 537 // This method is invoked when the user clicked on this control.
538 // and is still moving the mouse with a button pressed. 538 // and is still moving the mouse with a button pressed.
539 // The provided event is in the receiver's coordinate system. 539 // The provided event is in the receiver's coordinate system.
540 // 540 //
541 // Return true if you processed the event and want to receive 541 // Return true if you processed the event and want to receive
542 // subsequent MouseDragged and MouseReleased events. 542 // subsequent MouseDragged and MouseReleased events.
543 // 543 //
544 // Default implementation returns true if a ContextMenuController has been 544 // Default implementation returns true if a ContextMenuController has been
545 // set, false otherwise. Override as needed. 545 // set, false otherwise. Override as needed.
546 // 546 //
547 virtual bool OnMouseDragged(const MouseEvent& event); 547 virtual bool OnMouseDragged(const ui::MouseEvent& event);
548 548
549 // This method is invoked when the user releases the mouse 549 // This method is invoked when the user releases the mouse
550 // button. The event is in the receiver's coordinate system. 550 // button. The event is in the receiver's coordinate system.
551 // 551 //
552 // Default implementation notifies the ContextMenuController is appropriate. 552 // Default implementation notifies the ContextMenuController is appropriate.
553 // Subclasses that wish to honor the ContextMenuController should invoke 553 // Subclasses that wish to honor the ContextMenuController should invoke
554 // super. 554 // super.
555 virtual void OnMouseReleased(const MouseEvent& event); 555 virtual void OnMouseReleased(const ui::MouseEvent& event);
556 556
557 // This method is invoked when the mouse press/drag was canceled by a 557 // This method is invoked when the mouse press/drag was canceled by a
558 // system/user gesture. 558 // system/user gesture.
559 virtual void OnMouseCaptureLost(); 559 virtual void OnMouseCaptureLost();
560 560
561 // This method is invoked when the mouse is above this control 561 // This method is invoked when the mouse is above this control
562 // The event is in the receiver's coordinate system. 562 // The event is in the receiver's coordinate system.
563 // 563 //
564 // Default implementation does nothing. Override as needed. 564 // Default implementation does nothing. Override as needed.
565 virtual void OnMouseMoved(const MouseEvent& event); 565 virtual void OnMouseMoved(const ui::MouseEvent& event);
566 566
567 // This method is invoked when the mouse enters this control. 567 // This method is invoked when the mouse enters this control.
568 // 568 //
569 // Default implementation does nothing. Override as needed. 569 // Default implementation does nothing. Override as needed.
570 virtual void OnMouseEntered(const MouseEvent& event); 570 virtual void OnMouseEntered(const ui::MouseEvent& event);
571 571
572 // This method is invoked when the mouse exits this control 572 // This method is invoked when the mouse exits this control
573 // The provided event location is always (0, 0) 573 // The provided event location is always (0, 0)
574 // Default implementation does nothing. Override as needed. 574 // Default implementation does nothing. Override as needed.
575 virtual void OnMouseExited(const MouseEvent& event); 575 virtual void OnMouseExited(const ui::MouseEvent& event);
576 576
577 // This method is invoked for each touch event. Default implementation 577 // This method is invoked for each touch event. Default implementation
578 // does nothing. Override as needed. 578 // does nothing. Override as needed.
579 virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event); 579 virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event);
580 580
581 // This method is invoked for each GestureEvent created by GestureRecognizer. 581 // This method is invoked for each GestureEvent created by GestureRecognizer.
582 // Default implementation does nothing. Override as needed. 582 // Default implementation does nothing. Override as needed.
583 // If a View returns ui::GESTURE_STATUS_CONSUMED from OnGestureEvent, then 583 // If a View returns ui::GESTURE_STATUS_CONSUMED from OnGestureEvent, then
584 // subsequent gestures will be dispatched to the same View, until the gesture 584 // subsequent gestures will be dispatched to the same View, until the gesture
585 // ends (i.e. all touch-points are released). 585 // ends (i.e. all touch-points are released).
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1270 void OrphanLayers(); 1270 void OrphanLayers();
1271 1271
1272 // Destroys the layer associated with this view, and reparents any descendants 1272 // Destroys the layer associated with this view, and reparents any descendants
1273 // to the destroyed layer's parent. 1273 // to the destroyed layer's parent.
1274 void DestroyLayer(); 1274 void DestroyLayer();
1275 1275
1276 // Input --------------------------------------------------------------------- 1276 // Input ---------------------------------------------------------------------
1277 1277
1278 // RootView invokes these. These in turn invoke the appropriate OnMouseXXX 1278 // RootView invokes these. These in turn invoke the appropriate OnMouseXXX
1279 // method. If a drag is detected, DoDrag is invoked. 1279 // method. If a drag is detected, DoDrag is invoked.
1280 bool ProcessMousePressed(const MouseEvent& event, DragInfo* drop_info); 1280 bool ProcessMousePressed(const ui::MouseEvent& event, DragInfo* drop_info);
1281 bool ProcessMouseDragged(const MouseEvent& event, DragInfo* drop_info); 1281 bool ProcessMouseDragged(const ui::MouseEvent& event, DragInfo* drop_info);
1282 void ProcessMouseReleased(const MouseEvent& event); 1282 void ProcessMouseReleased(const ui::MouseEvent& event);
1283 1283
1284 // RootView will invoke this with incoming TouchEvents. Returns the result 1284 // RootView will invoke this with incoming TouchEvents. Returns the result
1285 // of OnTouchEvent. 1285 // of OnTouchEvent.
1286 ui::TouchStatus ProcessTouchEvent(const TouchEvent& event); 1286 ui::TouchStatus ProcessTouchEvent(const TouchEvent& event);
1287 1287
1288 // RootView will invoke this with incoming GestureEvents. This will invoke 1288 // RootView will invoke this with incoming GestureEvents. This will invoke
1289 // OnGestureEvent and return the result. 1289 // OnGestureEvent and return the result.
1290 ui::GestureStatus ProcessGestureEvent(const GestureEvent& event); 1290 ui::GestureStatus ProcessGestureEvent(const GestureEvent& event);
1291 1291
1292 // Accelerators -------------------------------------------------------------- 1292 // Accelerators --------------------------------------------------------------
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1473 base::win::ScopedComPtr<NativeViewAccessibilityWin> 1473 base::win::ScopedComPtr<NativeViewAccessibilityWin>
1474 native_view_accessibility_win_; 1474 native_view_accessibility_win_;
1475 #endif 1475 #endif
1476 1476
1477 DISALLOW_COPY_AND_ASSIGN(View); 1477 DISALLOW_COPY_AND_ASSIGN(View);
1478 }; 1478 };
1479 1479
1480 } // namespace views 1480 } // namespace views
1481 1481
1482 #endif // UI_VIEWS_VIEW_H_ 1482 #endif // UI_VIEWS_VIEW_H_
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