mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/* 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_widget_ContentHelper_h__
|
||
|
#define __mozilla_widget_ContentHelper_h__
|
||
|
|
||
|
#include "nsIFrame.h"
|
||
|
#include "nsIWidget.h"
|
||
|
#include "mozilla/layers/APZCTreeManager.h"
|
||
|
|
||
|
namespace mozilla {
|
||
|
namespace widget {
|
||
|
|
||
|
/*
|
||
|
* Allow different platform widgets to access Content/DOM stuff.
|
||
|
*/
|
||
|
class ContentHelper
|
||
|
{
|
||
|
typedef mozilla::layers::AllowedTouchBehavior AllowedTouchBehavior;
|
||
|
typedef uint32_t TouchBehaviorFlags;
|
||
|
|
||
|
private:
|
||
|
static void UpdateAllowedBehavior(uint32_t aTouchActionValue, bool aConsiderPanning, TouchBehaviorFlags& aOutBehavior);
|
||
|
|
||
|
public:
|
||
|
/*
|
||
|
* Performs hit testing on content, finds frame that corresponds to the aPoint and retrieves
|
||
|
* touch-action css property value from it according the rules specified in the spec:
|
||
|
* http://www.w3.org/TR/pointerevents/#the-touch-action-css-property.
|
||
|
*/
|
||
|
static TouchBehaviorFlags GetAllowedTouchBehavior(nsIWidget* aWidget, const LayoutDeviceIntPoint& aPoint);
|
||
|
};
|
||
|
|
||
|
} // namespace widget
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif /*__mozilla_widget_ContentHelper_h__ */
|