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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include "eventdispatcher.hxx"
#include "event.hxx"
#include "mutationevent.hxx"
#include "uievent.hxx"
#include "mouseevent.hxx"
#include "../dom/node.hxx"
namespace DOM { namespace events {
TypeListenerMap CEventDispatcher::captureListeners;
TypeListenerMap CEventDispatcher::targetListeners;
void CEventDispatcher::addListener(xmlNodePtr pNode, OUString aType, const Reference<XEventListener>& aListener, sal_Bool bCapture)
{
TypeListenerMap* pTMap = &targetListeners;
if (bCapture) pTMap = &captureListeners;
// get the multimap for the specified type
ListenerMap *pMap = 0;
TypeListenerMap::const_iterator tIter = pTMap->find(aType);
if (tIter == pTMap->end()) {
// the map has to be created
pMap = new ListenerMap();
pTMap->insert(TypeListenerMap::value_type(aType, pMap));
} else {
pMap = tIter->second;
}
if (pMap !=0)
pMap->insert(ListenerMap::value_type(pNode, aListener));
}
void CEventDispatcher::removeListener(xmlNodePtr pNode, OUString aType, const Reference<XEventListener>& aListener, sal_Bool bCapture)
{
TypeListenerMap *pTMap = &targetListeners;
if (bCapture) pTMap = &captureListeners;
// get the multimap for the specified type
TypeListenerMap::const_iterator tIter = pTMap->find(aType);
if (tIter != pTMap->end()) {
ListenerMap *pMap = tIter->second;
// find listeners of specied type for specified node
ListenerMap::iterator iter = pMap->find(pNode);
while (iter != pMap->end() && iter->first == pNode)
{
// erase all references to specified listener
if ((iter->second).is() && iter->second == aListener)
{
ListenerMap::iterator tmp_iter = iter;
++iter;
pMap->erase(tmp_iter);
}
else
++iter;
}
}
}
void CEventDispatcher::callListeners(xmlNodePtr pNode, OUString aType, const Reference< XEvent >& xEvent, sal_Bool bCapture)
{
TypeListenerMap *pTMap = &targetListeners;
if (bCapture) pTMap = &captureListeners;
// get the multimap for the specified type
TypeListenerMap::const_iterator tIter = pTMap->find(aType);
if (tIter != pTMap->end()) {
ListenerMap *pMap = tIter->second;
ListenerMap::const_iterator iter = pMap->lower_bound(pNode);
ListenerMap::const_iterator ibound = pMap->upper_bound(pNode);
for( ; iter != ibound; ++iter )
{
if((iter->second).is())
(iter->second)->handleEvent(xEvent);
}
}
}
sal_Bool CEventDispatcher::dispatchEvent(xmlNodePtr aNodePtr, const Reference< XEvent >& aEvent)
{
CEvent *pEvent = 0; // pointer to internal event representation
Reference< XEvent > xEvent; // reference to the event being dispatched;
OUString aType = aEvent->getType();
if (aType.compareToAscii("DOMSubtreeModified") == 0||
aType.compareToAscii("DOMNodeInserted") == 0||
aType.compareToAscii("DOMNodeRemoved") == 0||
aType.compareToAscii("DOMNodeRemovedFromDocument") == 0||
aType.compareToAscii("DOMNodeInsertedIntoDocument") == 0||
aType.compareToAscii("DOMAttrModified") == 0||
aType.compareToAscii("DOMCharacterDataModified") == 0)
{
Reference< XMutationEvent > aMEvent(aEvent, UNO_QUERY);
// dispatch a mutation event
// we need to clone the event in order to have complete control
// over the implementation
CMutationEvent* pMEvent = new CMutationEvent;
pMEvent->initMutationEvent(
aType, aMEvent->getBubbles(), aMEvent->getCancelable(),
aMEvent->getRelatedNode(), aMEvent->getPrevValue(),
aMEvent->getNewValue(), aMEvent->getAttrName(),
aMEvent->getAttrChange());
pEvent = pMEvent;
} else if ( // UIEvent
aType.compareToAscii("DOMFocusIn") == 0||
aType.compareToAscii("DOMFocusOut") == 0||
aType.compareToAscii("DOMActivate") == 0)
{
Reference< XUIEvent > aUIEvent(aEvent, UNO_QUERY);
CUIEvent* pUIEvent = new CUIEvent;
pUIEvent->initUIEvent(aType,
aUIEvent->getBubbles(), aUIEvent->getCancelable(),
aUIEvent->getView(), aUIEvent->getDetail());
pEvent = pUIEvent;
} else if ( // MouseEvent
aType.compareToAscii("click") == 0||
aType.compareToAscii("mousedown") == 0||
aType.compareToAscii("mouseup") == 0||
aType.compareToAscii("mouseover") == 0||
aType.compareToAscii("mousemove") == 0||
aType.compareToAscii("mouseout") == 0)
{
Reference< XMouseEvent > aMouseEvent(aEvent, UNO_QUERY);
CMouseEvent *pMouseEvent = new CMouseEvent;
pMouseEvent->initMouseEvent(aType,
aMouseEvent->getBubbles(), aMouseEvent->getCancelable(),
aMouseEvent->getView(), aMouseEvent->getDetail(),
aMouseEvent->getScreenX(), aMouseEvent->getScreenY(),
aMouseEvent->getClientX(), aMouseEvent->getClientY(),
aMouseEvent->getCtrlKey(), aMouseEvent->getAltKey(),
aMouseEvent->getShiftKey(), aMouseEvent->getMetaKey(),
aMouseEvent->getButton(), aMouseEvent->getRelatedTarget());
pEvent = pMouseEvent;
}
else // generic event
{
pEvent = new CEvent;
pEvent->initEvent(
aType, aEvent->getBubbles(), aEvent->getCancelable());
}
pEvent->m_target = Reference< XEventTarget >(DOM::CNode::get(aNodePtr));
pEvent->m_currentTarget = aEvent->getCurrentTarget();
pEvent->m_time = aEvent->getTimeStamp();
// create the reference to the provate event implementation
// that will be dispatched to the listeners
xEvent = Reference< XEvent >(pEvent);
// build the path from target node to the root
NodeVector captureVector;
xmlNodePtr cur = DOM::CNode::getNodePtr(Reference< XNode >(xEvent->getTarget(), UNO_QUERY_THROW));
while (cur != NULL)
{
captureVector.push_back(cur);
cur = cur->parent;
}
// the caputre vector now holds the node path from target to root
// first we must search for capture listernes in order root to
// to target. after that, any target listeners have to be called
// then bubbeling phase listeners are called in target to root
// order
NodeVector::const_iterator inode;
// start at the root
inode = captureVector.end();
--inode;
if (inode != captureVector.end())
{
// capturing phase:
pEvent->m_phase = PhaseType_CAPTURING_PHASE;
while (inode != captureVector.begin())
{
//pEvent->m_currentTarget = *inode;
pEvent->m_currentTarget = Reference< XEventTarget >(DOM::CNode::get(*inode));
callListeners(*inode, aType, xEvent, sal_True);
if (pEvent->m_canceled) return sal_True;
--inode;
}
// target phase
pEvent->m_phase = PhaseType_AT_TARGET;
callListeners(*inode, aType, xEvent, sal_False);
if (pEvent->m_canceled) return sal_True;
// bubbeling phase
++inode;
if (aEvent->getBubbles()) {
pEvent->m_phase = PhaseType_BUBBLING_PHASE;
while (inode != captureVector.end())
{
pEvent->m_currentTarget = Reference< XEventTarget >(DOM::CNode::get(*inode));
callListeners(*inode, aType, xEvent, sal_False);
if (pEvent->m_canceled) return sal_True;
++inode;
}
}
}
return sal_True;
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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