layout/base/PositionedEventTargeting.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public
     2  * License, v. 2.0. If a copy of the MPL was not distributed with this
     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     5 #ifndef mozilla_PositionedEventTargeting_h
     6 #define mozilla_PositionedEventTargeting_h
     8 #include <stdint.h>
     9 #include "mozilla/EventForwards.h"
    11 class nsIFrame;
    12 struct nsPoint;
    14 namespace mozilla {
    16 enum {
    17   INPUT_IGNORE_ROOT_SCROLL_FRAME = 0x01
    18 };
    19 /**
    20  * Finds the target frame for a pointer event given the event type and location.
    21  * This can look for frames within a rectangle surrounding the actual location
    22  * that are suitable targets, to account for inaccurate pointing devices.
    23  */
    24 nsIFrame*
    25 FindFrameTargetedByInputEvent(const WidgetGUIEvent* aEvent,
    26                               nsIFrame* aRootFrame,
    27                               const nsPoint& aPointRelativeToRootFrame,
    28                               uint32_t aFlags = 0);
    30 }
    32 #endif /* mozilla_PositionedEventTargeting_h */

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