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*
* Licensed to the Apache Software Foundation (ASF) under one
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* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*************************************************************/
#include <eventdispatcher.hxx>
#include <event.hxx>
#include <mutationevent.hxx>
#include <uievent.hxx>
#include <mouseevent.hxx>
#include "../dom/document.hxx"
namespace DOM { namespace events {
void CEventDispatcher::addListener(xmlNodePtr pNode, OUString aType, const Reference<XEventListener>& aListener, sal_Bool bCapture)
{
TypeListenerMap *const pTMap = (bCapture)
? (& m_CaptureListeners) : (& m_TargetListeners);
// 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 *const pTMap = (bCapture)
? (& m_CaptureListeners) : (& m_TargetListeners);
// 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(
TypeListenerMap const& rTMap,
xmlNodePtr const pNode,
OUString aType, Reference< XEvent > const& xEvent)
{
// get the multimap for the specified type
TypeListenerMap::const_iterator tIter = rTMap.find(aType);
if (tIter != rTMap.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);
}
}
}
bool CEventDispatcher::dispatchEvent(
DOM::CDocument & rDocument, ::osl::Mutex & rMutex,
xmlNodePtr const pNode, Reference<XNode> const& xNode,
Reference< XEvent > const& i_xEvent) const
{
CEvent *pEvent = 0; // pointer to internal event representation
OUString const aType = i_xEvent->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 > const aMEvent(i_xEvent,
UNO_QUERY_THROW);
// 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 > const aUIEvent(i_xEvent, UNO_QUERY_THROW);
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 > const aMouseEvent(i_xEvent,
UNO_QUERY_THROW);
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, i_xEvent->getBubbles(), i_xEvent->getCancelable());
}
pEvent->m_target.set(xNode, UNO_QUERY_THROW);
pEvent->m_currentTarget = i_xEvent->getCurrentTarget();
pEvent->m_time = i_xEvent->getTimeStamp();
// create the reference to the provate event implementation
// that will be dispatched to the listeners
Reference< XEvent > const xEvent(pEvent);
// build the path from target node to the root
typedef std::vector< ::std::pair<Reference<XEventTarget>, xmlNodePtr> >
NodeVector_t;
NodeVector_t captureVector;
TypeListenerMap captureListeners;
TypeListenerMap targetListeners;
{
::osl::MutexGuard g(rMutex);
xmlNodePtr cur = pNode;
while (cur != NULL)
{
Reference< XEventTarget > const xRef(
rDocument.GetCNode(cur).get());
captureVector.push_back(::std::make_pair(xRef, cur));
cur = cur->parent;
}
captureListeners = m_CaptureListeners;
targetListeners = m_TargetListeners;
}
// 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
// start at the root
NodeVector_t::const_reverse_iterator rinode =
const_cast<NodeVector_t const&>(captureVector).rbegin();
if (rinode != const_cast<NodeVector_t const&>(captureVector).rend())
{
// capturing phase:
pEvent->m_phase = PhaseType_CAPTURING_PHASE;
while (rinode !=
const_cast<NodeVector_t const&>(captureVector).rend())
{
pEvent->m_currentTarget = rinode->first;
callListeners(captureListeners, rinode->second, aType, xEvent);
if (pEvent->m_canceled) return sal_True;
rinode++;
}
NodeVector_t::const_iterator inode = captureVector.begin();
// target phase
pEvent->m_phase = PhaseType_AT_TARGET;
pEvent->m_currentTarget = inode->first;
callListeners(targetListeners, inode->second, aType, xEvent);
if (pEvent->m_canceled) return sal_True;
// bubbeling phase
inode++;
if (i_xEvent->getBubbles()) {
pEvent->m_phase = PhaseType_BUBBLING_PHASE;
while (inode != captureVector.end())
{
pEvent->m_currentTarget = inode->first;
callListeners(targetListeners,
inode->second, aType, xEvent);
if (pEvent->m_canceled) return sal_True;
inode++;
}
}
}
return sal_True;
}
}}