WebCore/GestureEvent.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 GestureEvent_h
  10 #define GestureEvent_h
  11
  12 #include <wtf/Platform.h>
  13
  14 #if ENABLE(TOUCH_EVENTS)
  15
  16 #include <wtf/RefPtr.h>
  17 #include "MouseRelatedEvent.h"
  18 #include "EventTarget.h"
  19
  20 namespace WebCore {
  21
  22     class GestureEvent : public MouseRelatedEvent {
  23     public:
  24         static PassRefPtr<GestureEvent> create()
  25         {
  26             return adoptRef(new GestureEvent);
  27         }
  28         static PassRefPtr<GestureEvent> create(
  29                      const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, int detail,
  30                      int screenX, int screenY, int pageX, int pageY,
  31                      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
  32                      EventTarget* target, float scale, float rotation, bool isSimulated = false)
  33         {
  34             return adoptRef(new GestureEvent(
  35                      type, canBubble, cancelable, view, detail,
  36                      screenX, screenY, pageX, pageY,
  37                      ctrlKey, altKey, shiftKey, metaKey,
  38                      target, scale, rotation, isSimulated));
  39         }
  40         virtual ~GestureEvent() {}
  41
  42         void initGestureEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, int detail,
  43             int screenX, int screenY, int clientX, int clientY,
  44             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
  45             EventTarget* target, float scale, float rotation);
  46
  47         virtual bool isGestureEvent() const { return true; }
  48
  49         float scale() const { return m_scale; }
  50         float rotation() const { return m_rotation; }
  51
  52     private:
  53         GestureEvent() { }
  54         GestureEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, int detail,
  55                      int screenX, int screenY, int pageX, int pageY,
  56                      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
  57                      EventTarget* target, float scale, float rotation, bool isSimulated = false);
  58
  59         float m_scale;
  60         float m_rotation;
  61     };
  62
  63 } // namespace WebCore
  64
  65 #endif // ENABLE(TOUCH_EVENTS)
  66
  67 #endif // GestureEvent_h