michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_PositionedEventTargeting_h
michael@0: #define mozilla_PositionedEventTargeting_h
michael@0: 
michael@0: #include <stdint.h>
michael@0: #include "mozilla/EventForwards.h"
michael@0: 
michael@0: class nsIFrame;
michael@0: struct nsPoint;
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: enum {
michael@0:   INPUT_IGNORE_ROOT_SCROLL_FRAME = 0x01
michael@0: };
michael@0: /**
michael@0:  * Finds the target frame for a pointer event given the event type and location.
michael@0:  * This can look for frames within a rectangle surrounding the actual location
michael@0:  * that are suitable targets, to account for inaccurate pointing devices.
michael@0:  */
michael@0: nsIFrame*
michael@0: FindFrameTargetedByInputEvent(const WidgetGUIEvent* aEvent,
michael@0:                               nsIFrame* aRootFrame,
michael@0:                               const nsPoint& aPointRelativeToRootFrame,
michael@0:                               uint32_t aFlags = 0);
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif /* mozilla_PositionedEventTargeting_h */