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      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.
      3  * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
      4  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  *
     21 */
     22 
     23 #ifndef HitTestRequest_h
     24 #define HitTestRequest_h
     25 
     26 namespace blink {
     27 
     28 class HitTestRequest {
     29 public:
     30     enum RequestType {
     31         ReadOnly = 1 << 1,
     32         Active = 1 << 2,
     33         Move = 1 << 3,
     34         Release = 1 << 4,
     35         IgnoreClipping = 1 << 5,
     36         SVGClipContent = 1 << 6,
     37         TouchEvent = 1 << 7,
     38         AllowChildFrameContent = 1 << 8,
     39         ChildFrameHitTest = 1 << 9,
     40         IgnorePointerEventsNone = 1 << 10,
     41     };
     42 
     43     typedef unsigned HitTestRequestType;
     44 
     45     HitTestRequest(HitTestRequestType requestType)
     46         : m_requestType(requestType)
     47     {
     48     }
     49 
     50     bool readOnly() const { return m_requestType & ReadOnly; }
     51     bool active() const { return m_requestType & Active; }
     52     bool move() const { return m_requestType & Move; }
     53     bool release() const { return m_requestType & Release; }
     54     bool ignoreClipping() const { return m_requestType & IgnoreClipping; }
     55     bool svgClipContent() const { return m_requestType & SVGClipContent; }
     56     bool touchEvent() const { return m_requestType & TouchEvent; }
     57     bool mouseEvent() const { return !touchEvent(); }
     58     bool allowsChildFrameContent() const { return m_requestType & AllowChildFrameContent; }
     59     bool isChildFrameHitTest() const { return m_requestType & ChildFrameHitTest; }
     60     bool ignorePointerEventsNone() const { return m_requestType & IgnorePointerEventsNone; }
     61 
     62     // Convenience functions
     63     bool touchMove() const { return move() && touchEvent(); }
     64     bool touchRelease() const { return release() && touchEvent(); }
     65 
     66     HitTestRequestType type() const { return m_requestType; }
     67 
     68 private:
     69     HitTestRequestType m_requestType;
     70 };
     71 
     72 } // namespace blink
     73 
     74 #endif // HitTestRequest_h
     75