#include "config.h"
#include "EventContext.h"
#include "DOMWindow.h"
#include "Document.h"
#include "Event.h"
#include "FocusEvent.h"
#include "MouseEvent.h"
#include "Node.h"
#include "TouchEvent.h"
#include "TouchList.h"
namespace WebCore {
EventContext::EventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget, PassRefPtr<EventTarget> target)
: m_node(node)
, m_currentTarget(currentTarget)
, m_target(target)
{
ASSERT(m_node);
ASSERT(!isUnreachableNode(m_target.get()));
}
EventContext::~EventContext()
{
}
void EventContext::handleLocalEvents(Event* event) const
{
event->setTarget(m_target.get());
event->setCurrentTarget(m_currentTarget.get());
m_node->handleLocalEvents(event);
}
bool EventContext::isMouseOrFocusEventContext() const
{
return false;
}
bool EventContext::isTouchEventContext() const
{
return false;
}
MouseOrFocusEventContext::MouseOrFocusEventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget, PassRefPtr<EventTarget> target)
: EventContext(node, currentTarget, target)
, m_relatedTarget(0)
{
}
MouseOrFocusEventContext::~MouseOrFocusEventContext()
{
}
void MouseOrFocusEventContext::handleLocalEvents(Event* event) const
{
ASSERT(event->isMouseEvent() || event->isFocusEvent());
if (m_relatedTarget.get() && event->isMouseEvent())
toMouseEvent(event)->setRelatedTarget(m_relatedTarget.get());
else if (m_relatedTarget.get() && event->isFocusEvent())
toFocusEvent(event)->setRelatedTarget(m_relatedTarget.get());
EventContext::handleLocalEvents(event);
}
bool MouseOrFocusEventContext::isMouseOrFocusEventContext() const
{
return true;
}
#if ENABLE(TOUCH_EVENTS)
TouchEventContext::TouchEventContext(PassRefPtr<Node> node, PassRefPtr<EventTarget> currentTarget, PassRefPtr<EventTarget> target)
: EventContext(node, currentTarget, target)
, m_touches(TouchList::create())
, m_targetTouches(TouchList::create())
, m_changedTouches(TouchList::create())
{
}
TouchEventContext::~TouchEventContext()
{
}
void TouchEventContext::handleLocalEvents(Event* event) const
{
#ifndef NDEBUG
checkReachability(m_touches.get());
checkReachability(m_targetTouches.get());
checkReachability(m_changedTouches.get());
#endif
ASSERT(event->isTouchEvent());
TouchEvent* touchEvent = toTouchEvent(event);
touchEvent->setTouches(m_touches);
touchEvent->setTargetTouches(m_targetTouches);
touchEvent->setChangedTouches(m_changedTouches);
EventContext::handleLocalEvents(event);
}
bool TouchEventContext::isTouchEventContext() const
{
return true;
}
#ifndef NDEBUG
void TouchEventContext::checkReachability(TouchList* touchList) const
{
for (size_t i = 0; i < touchList->length(); ++i)
ASSERT(isReachable(touchList->item(i)->target()->toNode()));
}
#endif
#endif // ENABLE(TOUCH_EVENTS)
}