/**
 * @file XTPMarkupEventHandlerMap.cpp
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

#include "StdAfx.h"

#include "Common/XTPCasting.h"
#include "Common/XTPTypeId.h"
#include "Common/XTPFramework.h"
#include "Common/XTPSystemHelpers.h"

#include "Markup/XTPMarkupObject.h"
#include "Markup/XTPMarkupDelegate.h"
#include "Markup/XTPMarkupEventHandlerMap.h"
#include "Markup/XTPMarkupRoutedEventArgs.h"

#include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

#ifdef _DEBUG
#	define new DEBUG_NEW
#	undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//////////////////////////////////////////////////////////////////////////
// CXTPMarkupEventHandlerMap

CXTPMarkupEventHandlerMap::CXTPMarkupEventHandlerMap()
{
}

CXTPMarkupEventHandlerMap::~CXTPMarkupEventHandlerMap()
{
	RemoveAll();
}

void CXTPMarkupEventHandlerMap::RemoveAll()
{
	POSITION pos = m_mapHandlers.GetStartPosition();
	while (pos)
	{
		CPtrList* pHandlers;
		CXTPMarkupRoutedEvent* pEvent;
		m_mapHandlers.GetNextAssoc(pos, pEvent, pHandlers);

		while (!pHandlers->IsEmpty())
		{
			CXTPMarkupDelegate* pDelegate = (CXTPMarkupDelegate*)pHandlers->RemoveTail();
			MARKUP_RELEASE(pDelegate);
		}
		delete pHandlers;
	}
	m_mapHandlers.RemoveAll();
}

void CXTPMarkupEventHandlerMap::Add(CXTPMarkupRoutedEvent* pEvent, CXTPMarkupDelegate* pDelegate)
{
	_ASSERTE(NULL != pEvent);
	_ASSERTE(NULL != pDelegate);

	CPtrList* pHandlers;
	if (!m_mapHandlers.Lookup(pEvent, pHandlers))
	{
		pHandlers = new CPtrList();
		m_mapHandlers.SetAt(pEvent, pHandlers);
	}

	pHandlers->AddTail(pDelegate);
}

BOOL CXTPMarkupEventHandlerMap::Remove(CXTPMarkupRoutedEvent* pEvent, CXTPMarkupDelegate* pDelegate)
{
	_ASSERTE(NULL != pEvent);
	_ASSERTE(NULL != pDelegate);

	CPtrList* pHandlers = NULL;
	if (!m_mapHandlers.Lookup(pEvent, pHandlers))
		return FALSE;

	POSITION pos = pHandlers->GetHeadPosition();
	POSITION prev;
	while (NULL != pos)
	{
		prev							   = pos;
		CXTPMarkupDelegate* pOtherDelegate = (CXTPMarkupDelegate*)pHandlers->GetNext(pos);
		if (pOtherDelegate == pDelegate)
		{
			pHandlers->RemoveAt(prev);
			MARKUP_RELEASE(pDelegate);
			return TRUE;
		}
	}

	return FALSE;
}

void CXTPMarkupEventHandlerMap::Raise(CXTPMarkupObject* pSender,
									  CXTPMarkupRoutedEventArgs* pEventArgs)
{
	CPtrList* pHandlers;
	if (!m_mapHandlers.Lookup(pEventArgs->GetEvent(), pHandlers))
		return;

	POSITION pos = pHandlers->GetHeadPosition();

	while (pos)
	{
		CXTPMarkupDelegate* pDelegate = (CXTPMarkupDelegate*)pHandlers->GetNext(pos);

		pDelegate->Execute(pSender, pEventArgs);
	}
}