layout/base/PositionedEventTargeting.h
author Andreea Pavel <apavel@mozilla.com>
Thu, 13 Sep 2018 13:29:24 +0300
changeset 436133 4d081dbefe2f1ac8ef8ffcb97b85a6dd6f88b588
parent 388790 905239391e05483e8fb221378dd2092c5a0df8b7
child 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1489980 - Enable ESLint for editor/ - Follow-up: Remove unused Ci. r=eslint-fix on a CLOSED TREE

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_PositionedEventTargeting_h
#define mozilla_PositionedEventTargeting_h

#include <stdint.h>
#include "mozilla/EventForwards.h"

class nsIFrame;
struct nsPoint;

namespace mozilla {

enum {
  INPUT_IGNORE_ROOT_SCROLL_FRAME = 0x01
};
/**
 * Finds the target frame for a pointer event given the event type and location.
 * This can look for frames within a rectangle surrounding the actual location
 * that are suitable targets, to account for inaccurate pointing devices.
 */
nsIFrame*
FindFrameTargetedByInputEvent(WidgetGUIEvent* aEvent,
                              nsIFrame* aRootFrame,
                              const nsPoint& aPointRelativeToRootFrame,
                              uint32_t aFlags = 0);

} // namespace mozilla

#endif /* mozilla_PositionedEventTargeting_h */