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/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PlatformEvent_h
#define PlatformEvent_h
namespace WebCore {
class PlatformEvent {
public:
enum Type : uint8_t {
NoType = 0,
// PlatformKeyboardEvent
KeyDown,
KeyUp,
RawKeyDown,
Char,
// PlatformMouseEvent
MouseMoved,
MousePressed,
MouseReleased,
MouseScroll,
// PlatformWheelEvent
Wheel,
#if ENABLE(TOUCH_EVENTS)
// PlatformTouchEvent
TouchStart,
TouchMove,
TouchEnd,
TouchCancel,
#endif
};
enum Modifiers : uint8_t {
AltKey = 1 << 0,
CtrlKey = 1 << 1,
MetaKey = 1 << 2,
ShiftKey = 1 << 3,
};
Type type() const { return static_cast<Type>(m_type); }
bool shiftKey() const { return m_modifiers & ShiftKey; }
bool ctrlKey() const { return m_modifiers & CtrlKey; }
bool altKey() const { return m_modifiers & AltKey; }
bool metaKey() const { return m_modifiers & MetaKey; }
unsigned modifiers() const { return m_modifiers; }
double timestamp() const { return m_timestamp; }
protected:
PlatformEvent()
: m_type(NoType)
, m_modifiers(0)
, m_timestamp(0)
{
}
explicit PlatformEvent(Type type)
: m_type(type)
, m_modifiers(0)
, m_timestamp(0)
{
}
PlatformEvent(Type type, Modifiers modifiers, double timestamp)
: m_type(type)
, m_modifiers(modifiers)
, m_timestamp(timestamp)
{
}
PlatformEvent(Type type, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, double timestamp)
: m_type(type)
, m_modifiers(0)
, m_timestamp(timestamp)
{
if (shiftKey)
m_modifiers |= ShiftKey;
if (ctrlKey)
m_modifiers |= CtrlKey;
if (altKey)
m_modifiers |= AltKey;
if (metaKey)
m_modifiers |= MetaKey;
}
// Explicit protected destructor so that people don't accidentally
// delete a PlatformEvent.
~PlatformEvent()
{
}
unsigned m_type;
unsigned m_modifiers;
double m_timestamp;
};
} // namespace WebCore
#endif // PlatformEvent_h
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