1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/PositionedEventTargeting.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,32 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef mozilla_PositionedEventTargeting_h
1.9 +#define mozilla_PositionedEventTargeting_h
1.10 +
1.11 +#include <stdint.h>
1.12 +#include "mozilla/EventForwards.h"
1.13 +
1.14 +class nsIFrame;
1.15 +struct nsPoint;
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +enum {
1.20 + INPUT_IGNORE_ROOT_SCROLL_FRAME = 0x01
1.21 +};
1.22 +/**
1.23 + * Finds the target frame for a pointer event given the event type and location.
1.24 + * This can look for frames within a rectangle surrounding the actual location
1.25 + * that are suitable targets, to account for inaccurate pointing devices.
1.26 + */
1.27 +nsIFrame*
1.28 +FindFrameTargetedByInputEvent(const WidgetGUIEvent* aEvent,
1.29 + nsIFrame* aRootFrame,
1.30 + const nsPoint& aPointRelativeToRootFrame,
1.31 + uint32_t aFlags = 0);
1.32 +
1.33 +}
1.34 +
1.35 +#endif /* mozilla_PositionedEventTargeting_h */
