mirror of
https://github.com/ClickHouse/ClickHouse.git
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b79ead9c84
* Replicate poco into base/poco/ * De-register poco submodule * Build poco from ClickHouse * Exclude poco from stylecheck * Exclude poco from whitespace check * Exclude poco from typo check * Remove x bit from sources/headers (the style check complained) * Exclude poco from duplicate include check * Fix fasttest * Remove contrib/poco-cmake/* * Simplify poco build descriptions * Remove poco stuff not used by ClickHouse * Glob poco sources * Exclude poco from clang-tidy
98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
//
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// EventDispatcher.h
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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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// Definition of the EventDispatcher class.
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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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#ifndef DOM_EventDispatcher_INCLUDED
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#define DOM_EventDispatcher_INCLUDED
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#include "Poco/XML/XML.h"
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#include "Poco/XML/XMLString.h"
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#include <list>
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namespace Poco {
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namespace XML {
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class Event;
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class EventListener;
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class XML_API EventDispatcher
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/// This helper class manages event listener subscriptions
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/// and event dispatching for AbstractNode.
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///
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/// The EventListener list is managed in such a way that
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/// event listeners can be added and removed even
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/// from within an EventListener, while events are being
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/// dispatched.
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{
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public:
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EventDispatcher();
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/// Creates the EventDispatcher.
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~EventDispatcher();
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/// Destroys the EventDispatcher.
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void addEventListener(const XMLString& type, EventListener* listener, bool useCapture);
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/// Adds an EventListener to the internal list.
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void removeEventListener(const XMLString& type, EventListener* listener, bool useCapture);
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/// Removes an EventListener from the internal list.
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///
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/// If a dispatch is currently in progress, the list
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/// entry is only marked for deletion.
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/// If no dispatch is currently in progress, all EventListeners
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/// marked for deletion are removed from the list.
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void dispatchEvent(Event* evt);
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/// Dispatches the event.
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///
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/// Also removes all EventListeners marked for deletion from the
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/// event dispatcher list.
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void captureEvent(Event* evt);
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/// Dispatches the event in its capturing phase.
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///
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/// Also removes all EventListeners marked for deletion from the
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/// event dispatcher list.
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void bubbleEvent(Event* evt);
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/// Dispatches the event in its bubbling phase.
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///
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/// Also removes all EventListeners marked for deletion from the
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/// event dispatcher list.
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private:
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struct EventListenerItem
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{
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XMLString type;
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EventListener* pListener;
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bool useCapture;
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};
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typedef std::list<EventListenerItem> EventListenerList;
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int _inDispatch;
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EventListenerList _listeners;
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};
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} } // namespace Poco::XML
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#endif // DOM_EventDispatcher_INCLUDED
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