mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-04-04 03:17:14 +02:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
147 lines
2.5 KiB
C++
147 lines
2.5 KiB
C++
//
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// EventDispatcher.cpp
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//
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// Library: XML
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// Package: DOM
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// Module: DOMEvents
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/DOM/EventDispatcher.h"
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#include "Poco/DOM/Event.h"
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#include "Poco/DOM/EventListener.h"
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namespace
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{
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class DispatchGuard
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{
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public:
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DispatchGuard(int& count):
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_count(count)
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{
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++_count;
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}
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~DispatchGuard()
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{
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--_count;
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}
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private:
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int& _count;
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};
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}
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namespace Poco {
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namespace XML {
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EventDispatcher::EventDispatcher():
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_inDispatch(0)
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{
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}
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EventDispatcher::~EventDispatcher()
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{
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}
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void EventDispatcher::addEventListener(const XMLString& type, EventListener* listener, bool useCapture)
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{
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EventListenerItem item;
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item.type = type;
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item.pListener = listener;
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item.useCapture = useCapture;
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_listeners.push_front(item);
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}
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void EventDispatcher::removeEventListener(const XMLString& type, EventListener* listener, bool useCapture)
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{
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EventListenerList::iterator it = _listeners.begin();
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while (it != _listeners.end())
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{
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if (it->type == type && it->pListener == listener && it->useCapture == useCapture)
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{
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it->pListener = 0;
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}
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if (!_inDispatch && !it->pListener)
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{
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EventListenerList::iterator del = it++;
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_listeners.erase(del);
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}
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else ++it;
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}
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}
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void EventDispatcher::dispatchEvent(Event* evt)
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{
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DispatchGuard guard(_inDispatch);
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EventListenerList::iterator it = _listeners.begin();
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while (it != _listeners.end())
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{
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if (it->pListener && it->type == evt->type())
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{
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it->pListener->handleEvent(evt);
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}
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if (!it->pListener)
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{
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EventListenerList::iterator del = it++;
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_listeners.erase(del);
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}
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else ++it;
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}
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}
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void EventDispatcher::captureEvent(Event* evt)
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{
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DispatchGuard guard(_inDispatch);
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EventListenerList::iterator it = _listeners.begin();
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while (it != _listeners.end())
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{
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if (it->pListener && it->useCapture && it->type == evt->type())
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{
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it->pListener->handleEvent(evt);
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}
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if (!it->pListener)
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{
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EventListenerList::iterator del = it++;
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_listeners.erase(del);
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}
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else ++it;
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}
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}
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void EventDispatcher::bubbleEvent(Event* evt)
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{
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DispatchGuard guard(_inDispatch);
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EventListenerList::iterator it = _listeners.begin();
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while (it != _listeners.end())
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{
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if (it->pListener && !it->useCapture && it->type == evt->type())
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{
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it->pListener->handleEvent(evt);
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}
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if (!it->pListener)
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{
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EventListenerList::iterator del = it++;
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_listeners.erase(del);
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}
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else ++it;
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}
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}
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} } // namespace Poco::XML
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