WebCore/Touch.h

   1 /*
   2  * Copyright (C) 2008, Apple Inc. All rights reserved.
   3  *
   4  * No license or rights are granted by Apple expressly or by implication,
   5  * estoppel, or otherwise, to Apple copyrights, patents, trademarks, trade
   6  * secrets or other rights.
   7  */
   8
   9 #ifndef Touch_h
  10 #define Touch_h
  11
  12 #include <wtf/Platform.h>
  13
  14 #if ENABLE(TOUCH_EVENTS)
  15
  16 #include <wtf/RefCounted.h>
  17 #include <wtf/PassRefPtr.h>
  18 #include <wtf/RefPtr.h>
  19 #include "EventTarget.h"
  20 #include "DOMWindow.h"
  21
  22 namespace WebCore {
  23
  24     class DOMWindow;
  25
  26     class Touch : public RefCounted<Touch> {
  27     public:
  28         static PassRefPtr<Touch> create()
  29         {
  30             return adoptRef(new Touch());
  31         }
  32         static PassRefPtr<Touch> create(DOMWindow* view, EventTarget* target, unsigned identifier, int pageX, int pageY, int screenX, int screenY)
  33         {
  34             return adoptRef(new Touch(view, target, identifier, pageX, pageY, screenX, screenY));
  35         }
  36
  37         EventTarget* target() const { return m_target.get(); }
  38
  39         bool updateLocation(int pageX, int pageY, int screenX, int screenY);
  40
  41         unsigned identifier() const { return m_identifier; }
  42
  43         int clientX() const { return m_clientX; }
  44         int clientY() const { return m_clientY; }
  45         int pageX() const { return m_pageX; }
  46         int pageY() const { return m_pageY; }
  47         int screenX() const { return m_screenX; }
  48         int screenY() const { return m_screenY; }
  49
  50     private:
  51         Touch() { }
  52         Touch(DOMWindow* view, EventTarget* target, unsigned identifier, int pageX, int pageY, int screenX, int screenY);
  53
  54         DOMWindow* view() const { return m_view.get(); }
  55
  56         RefPtr<DOMWindow> m_view;
  57         RefPtr<EventTarget> m_target;
  58
  59         unsigned m_identifier;
  60         int m_clientX;
  61         int m_clientY;
  62         int m_pageX;
  63         int m_pageY;
  64         int m_screenX;
  65         int m_screenY;
  66     };
  67
  68 } // namespace WebCore
  69
  70 #endif // ENABLE(TOUCH_EVENTS)
  71
  72 #endif // Touch_h