63058a4f2b
Change-Id: I979b309271809b64d6f04cbccd14e0ee3b09ec81 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111198 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
251 lines
9.5 KiB
C++
251 lines
9.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information 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 .
|
|
*/
|
|
|
|
#include <eventdispatcher.hxx>
|
|
|
|
#include <event.hxx>
|
|
#include <mutationevent.hxx>
|
|
#include <uievent.hxx>
|
|
#include <mouseevent.hxx>
|
|
|
|
#include "../dom/document.hxx"
|
|
|
|
#include <osl/mutex.hxx>
|
|
|
|
using namespace css::uno;
|
|
using namespace css::xml::dom;
|
|
using namespace css::xml::dom::events;
|
|
|
|
namespace DOM::events {
|
|
|
|
void CEventDispatcher::addListener(xmlNodePtr pNode, const OUString& aType, const Reference<XEventListener>& aListener, bool bCapture)
|
|
{
|
|
TypeListenerMap *const pTMap = bCapture
|
|
? (& m_CaptureListeners) : (& m_TargetListeners);
|
|
|
|
// get the multimap for the specified type
|
|
ListenerMap *pMap = nullptr;
|
|
auto tIter = pTMap->find(aType);
|
|
if (tIter == pTMap->end()) {
|
|
// the map has to be created
|
|
auto const pair = pTMap->emplace(aType, ListenerMap());
|
|
pMap = & pair.first->second;
|
|
} else {
|
|
pMap = & tIter->second;
|
|
}
|
|
assert(pMap != nullptr);
|
|
pMap->emplace(pNode, aListener);
|
|
}
|
|
|
|
void CEventDispatcher::removeListener(xmlNodePtr pNode, const OUString& aType, const Reference<XEventListener>& aListener, bool bCapture)
|
|
{
|
|
TypeListenerMap *const pTMap = bCapture
|
|
? (& m_CaptureListeners) : (& m_TargetListeners);
|
|
|
|
// get the multimap for the specified type
|
|
auto tIter = pTMap->find(aType);
|
|
if (tIter == pTMap->end())
|
|
return;
|
|
|
|
ListenerMap & rMap = tIter->second;
|
|
// find listeners of specified type for specified node
|
|
ListenerMap::iterator iter = rMap.find(pNode);
|
|
while (iter != rMap.end() && iter->first == pNode)
|
|
{
|
|
// erase all references to specified listener
|
|
if (iter->second.is() && iter->second == aListener)
|
|
{
|
|
iter = rMap.erase(iter);
|
|
}
|
|
else
|
|
++iter;
|
|
}
|
|
}
|
|
|
|
CEventDispatcher::~CEventDispatcher()
|
|
{
|
|
}
|
|
|
|
void CEventDispatcher::callListeners(
|
|
TypeListenerMap const& rTMap,
|
|
xmlNodePtr const pNode,
|
|
const 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 const& rMap = tIter->second;
|
|
auto iterRange = rMap.equal_range(pNode);
|
|
for( auto iter = iterRange.first; iter != iterRange.second; ++iter )
|
|
{
|
|
if(iter->second.is())
|
|
(iter->second)->handleEvent(xEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CEventDispatcher::dispatchEvent(
|
|
DOM::CDocument & rDocument, ::osl::Mutex & rMutex,
|
|
xmlNodePtr const pNode, Reference<XNode> const& xNode,
|
|
Reference< XEvent > const& i_xEvent) const
|
|
{
|
|
TypeListenerMap captureListeners;
|
|
TypeListenerMap targetListeners;
|
|
{
|
|
::osl::MutexGuard g(rMutex);
|
|
|
|
captureListeners = m_CaptureListeners;
|
|
targetListeners = m_TargetListeners;
|
|
}
|
|
|
|
if (captureListeners.empty() && targetListeners.empty())
|
|
return;
|
|
|
|
rtl::Reference<CEvent> pEvent; // pointer to internal event representation
|
|
|
|
OUString const aType = i_xEvent->getType();
|
|
if (aType == "DOMSubtreeModified" ||
|
|
aType == "DOMNodeInserted" ||
|
|
aType == "DOMNodeRemoved" ||
|
|
aType == "DOMNodeRemovedFromDocument" ||
|
|
aType == "DOMNodeInsertedIntoDocument" ||
|
|
aType == "DOMAttrModified" ||
|
|
aType == "DOMCharacterDataModified" )
|
|
{
|
|
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
|
|
rtl::Reference<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 == "DOMFocusIn" ||
|
|
aType == "DOMFocusOut" ||
|
|
aType == "DOMActivate" )
|
|
{
|
|
Reference< XUIEvent > const aUIEvent(i_xEvent, UNO_QUERY_THROW);
|
|
rtl::Reference<CUIEvent> pUIEvent = new CUIEvent;
|
|
pUIEvent->initUIEvent(aType,
|
|
aUIEvent->getBubbles(), aUIEvent->getCancelable(),
|
|
aUIEvent->getView(), aUIEvent->getDetail());
|
|
pEvent = pUIEvent;
|
|
} else if ( // MouseEvent
|
|
aType == "click" ||
|
|
aType == "mousedown" ||
|
|
aType == "mouseup" ||
|
|
aType == "mouseover" ||
|
|
aType == "mousemove" ||
|
|
aType == "mouseout" )
|
|
{
|
|
Reference< XMouseEvent > const aMouseEvent(i_xEvent,
|
|
UNO_QUERY_THROW);
|
|
rtl::Reference<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 private 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;
|
|
{
|
|
::osl::MutexGuard g(rMutex);
|
|
|
|
xmlNodePtr cur = pNode;
|
|
while (cur != nullptr)
|
|
{
|
|
Reference< XEventTarget > const xRef(
|
|
rDocument.GetCNode(cur));
|
|
captureVector.emplace_back(xRef, cur);
|
|
cur = cur->parent;
|
|
}
|
|
}
|
|
|
|
// the capture vector now holds the node path from target to root
|
|
// first we must search for capture listeners 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())
|
|
return;
|
|
|
|
// 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;
|
|
++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;
|
|
// 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;
|
|
++inode;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|