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/*
* Copyright (C) 2006 Apple Inc.
* Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include <wtf/Assertions.h>
namespace WebCore {
class HitTestRequest {
public:
enum RequestType {
ReadOnly = 1 << 1,
Active = 1 << 2,
Move = 1 << 3,
Release = 1 << 4,
IgnoreClipping = 1 << 5,
SVGClipContent = 1 << 6,
TouchEvent = 1 << 7,
DisallowUserAgentShadowContent = 1 << 8,
AllowFrameScrollbars = 1 << 9,
AllowChildFrameContent = 1 << 10,
ChildFrameHitTest = 1 << 11,
AccessibilityHitTest = 1 << 12,
// Collect a list of nodes instead of just one. Used for elementsFromPoint and rect-based tests.
CollectMultipleElements = 1 << 13,
// When using list-based testing, continue hit testing even after a hit has been found.
IncludeAllElementsUnderPoint = 1 << 14
};
typedef unsigned HitTestRequestType;
HitTestRequest(HitTestRequestType requestType = ReadOnly | Active | DisallowUserAgentShadowContent)
: m_requestType(requestType)
{
ASSERT(!(requestType & IncludeAllElementsUnderPoint) || (requestType & CollectMultipleElements));
}
bool readOnly() const { return m_requestType & ReadOnly; }
bool active() const { return m_requestType & Active; }
bool move() const { return m_requestType & Move; }
bool release() const { return m_requestType & Release; }
bool ignoreClipping() const { return m_requestType & IgnoreClipping; }
bool svgClipContent() const { return m_requestType & SVGClipContent; }
bool touchEvent() const { return m_requestType & TouchEvent; }
bool mouseEvent() const { return !touchEvent(); }
bool disallowsUserAgentShadowContent() const { return m_requestType & DisallowUserAgentShadowContent; }
bool allowsFrameScrollbars() const { return m_requestType & AllowFrameScrollbars; }
bool allowsChildFrameContent() const { return m_requestType & AllowChildFrameContent; }
bool isChildFrameHitTest() const { return m_requestType & ChildFrameHitTest; }
bool resultIsElementList() const { return m_requestType & CollectMultipleElements; }
bool includesAllElementsUnderPoint() const { return m_requestType & IncludeAllElementsUnderPoint; }
// Convenience functions
bool touchMove() const { return move() && touchEvent(); }
bool touchRelease() const { return release() && touchEvent(); }
HitTestRequestType type() const { return m_requestType; }
private:
HitTestRequestType m_requestType;
};
} // namespace WebCore