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MessageList.cpp
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490 lines (370 loc) · 11.7 KB
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/*******************************************************************
// Copyright (c) 2002, Robert Umbehant
// mailto:rumbehant@wheresjames.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later
// version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307 USA
//
*******************************************************************/
// MessageList.cpp
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CMessageList::CMessageList()
{
m_bClose = FALSE;
}
CMessageList::~CMessageList()
{
m_bClose = TRUE;
ClearAllMessageTargets();
}
GUID* CMessageList::CreateKey( GUID* pKey, void* dwUser1, void* dwUser2, const GUID *pguid )
{
MD5_CTX ctx;
CMd5Rsa::MD5Init( &ctx );
CMd5Rsa::MD5Update( &ctx, (LPBYTE)&dwUser1, sizeof( dwUser1 ) );
CMd5Rsa::MD5Update( &ctx, (LPBYTE)&dwUser2, sizeof( dwUser2 ) );
if ( pguid && !IsEqualGUID( *pguid, CLSID_ZERO ) )
CMd5Rsa::MD5Update( &ctx, (LPBYTE)pguid, sizeof( GUID ) );
CMd5Rsa::MD5Final( (LPBYTE)pKey, &ctx );
return pKey;
}
void CMessageList::SetMessageTarget( HWND hWnd, UINT uWMMessageID, BOOL bPost, const GUID *pguid )
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vMsgTargetQueue );
if ( !ll.IsLocked() )
return;
if ( hWnd != NULL && uWMMessageID && ::IsWindow( hWnd ) )
{
GUID guid;
CreateKey( &guid, hWnd, (void*)uWMMessageID, pguid );
m_vMsgTargetQueue.erase( guid );
m_vMsgTargetQueue.push_back( guid, _PTR_NEW CMsgTarget( hWnd, uWMMessageID, bPost, 1, pguid ) );
} // end if
}
void CMessageList::RemoveMessageTarget( HWND hWnd, UINT uWMMessageID, const GUID *pguid )
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vMsgTargetQueue );
if ( !ll.IsLocked() )
return;
if ( hWnd != NULL && uWMMessageID && ::IsWindow( hWnd ) )
{
GUID guid;
CreateKey( &guid, hWnd, (void*)uWMMessageID, pguid );
m_vMsgTargetQueue.erase( guid );
m_vMsgTargetQueue.push_back( guid, _PTR_NEW CMsgTarget( hWnd, uWMMessageID, 0, 2, pguid ) );
} // end if
// GUID guid; m_vMsgTargetQueue.erase( *CreateKey( &guid, (DWORD)hWnd, (DWORD)uWMMessageID, pguid ) );
}
DWORD CMessageList::MessageTargets()
{
if ( m_bClose )
return 0;
return ( m_vMsgTarget.Size() + m_vMsgTargetQueue.Size() );
}
DWORD CMessageList::CallbackFunctions()
{
if ( m_bClose )
return 0;
return ( m_vCallbackTarget.Size() + m_vCallbackTargetQueue.Size() );
}
void CMessageList::ClearAllMessageTargets()
{
{
CTlLocalLock ll( m_vMsgTargetQueue );
if ( ll.IsLocked() )
m_vMsgTargetQueue.clear();
}
{
CTlLocalLock ll( m_vMsgTarget );
if ( ll.IsLocked() )
m_vMsgTarget.clear();
}
{
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( ll.IsLocked() )
m_vCallbackTargetQueue.clear();
}
{
CTlLocalLock ll( m_vCallbackTarget );
if ( ll.IsLocked() )
m_vCallbackTarget.clear();
}
}
void CMessageList::UpdateMessageQueue()
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vMsgTargetQueue );
if ( !ll.IsLocked() )
return;
THList< GUID, CMsgTarget >::iterator it = NULL;
while ( ( it = m_vMsgTargetQueue.next( it ) ) != m_vMsgTargetQueue.end() )
{
// Remove any existing
m_vMsgTarget.erase( *it->key() );
// Add
if ( 1 == (*it)->uAction )
m_vMsgTarget.push_back( *it->key(), _PTR_NEW CMsgTarget( (*it)->hWnd, (*it)->uMsg, (*it)->bPost, 0, &(*it)->guid ) );
it = m_vMsgTargetQueue.erase( it );
} // end while
}
BOOL CMessageList::SendWMMessage(WPARAM wParam, LPARAM lParam, const GUID *pguid)
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vMsgTarget );
if ( !ll.IsLocked() )
return FALSE;
UpdateMessageQueue();
THList< GUID, CMsgTarget >::iterator it = NULL;
while ( ( it = m_vMsgTarget.next( it ) ) != m_vMsgTarget.end() )
{
if ( ::IsWindow( (*it)->hWnd ) )
{
if ( pguid == NULL
|| IsEqualGUID( (*it)->guid, CLSID_ZERO )
|| IsEqualGUID( (*it)->guid, *pguid ) )
::SendMessage( (*it)->hWnd, (*it)->uMsg, wParam, lParam );
} // end if
else
it = m_vMsgTarget.erase( it );
} // end while
return TRUE;
}
BOOL CMessageList::PostWMMessage(WPARAM wParam, LPARAM lParam, const GUID *pguid)
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vMsgTarget );
if ( !ll.IsLocked() )
return FALSE;
UpdateMessageQueue();
THList< GUID, CMsgTarget >::iterator it = NULL;
while ( ( it = m_vMsgTarget.next( it ) ) != m_vMsgTarget.end() )
{
if ( ::IsWindow( (*it)->hWnd ) )
{
if ( pguid == NULL
|| IsEqualGUID( (*it)->guid, CLSID_ZERO )
|| IsEqualGUID( (*it)->guid, *pguid ) )
::PostMessage( (*it)->hWnd, (*it)->uMsg, wParam, lParam );
} // end if
else
it = m_vMsgTarget.erase( it );
} // end while
return TRUE;
}
BOOL CMessageList::MWMMessage(WPARAM wParam, LPARAM lParam, const GUID *pguid)
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vMsgTarget );
if ( !ll.IsLocked() )
return FALSE;
UpdateMessageQueue();
THList< GUID, CMsgTarget >::iterator it = NULL;
while ( ( it = m_vMsgTarget.next( it ) ) != m_vMsgTarget.end() )
{
if ( ::IsWindow( (*it)->hWnd ) )
{
if ( pguid == NULL || IsEqualGUID( (*it)->guid, CLSID_ZERO ) || IsEqualGUID( (*it)->guid, *pguid ) )
{
if ( (*it)->bPost )
::PostMessage( (*it)->hWnd, (*it)->uMsg, wParam, lParam );
else
::SendMessage( (*it)->hWnd, (*it)->uMsg, wParam, lParam );
} // end if
} // end if
else
it = m_vMsgTarget.erase( it );
} // end while
return TRUE;
}
void CMessageList::UpdateCallbackQueue()
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( !ll.IsLocked() )
return;
THList< GUID, CCallbackTarget >::iterator it = NULL;
while ( ( it = m_vCallbackTargetQueue.next( it ) ) != m_vCallbackTargetQueue.end() )
{
// Remove any existing
m_vCallbackTarget.erase( *it->key() );
// Add
if ( 1 == (*it)->uAction )
m_vCallbackTarget.push_back( *it->key(), _PTR_NEW CCallbackTarget( (*it)->pCallbackFunction, (*it)->pCallbackFunction2, (*it)->pData, 1, &(*it)->guid ) );
it = m_vCallbackTargetQueue.erase( it );
} // end while
}
BOOL CMessageList::SetCallbackFunction( CMESSAGE_CALLBACK_FUNCTION pFunction, LPVOID pData, const GUID *pguid )
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( !ll.IsLocked() )
return FALSE;
if ( pFunction != NULL )
{
GUID guid;
CreateKey( &guid, (void*)pFunction, pData, pguid );
m_vCallbackTargetQueue.erase( guid );
m_vCallbackTargetQueue.push_back( guid, _PTR_NEW CCallbackTarget( pFunction, NULL, pData, 1, pguid ) );
} // end if
return TRUE;
}
BOOL CMessageList::SetCallbackFunction( CMESSAGELIST_CALLBACK_FUNCTION pFunction, LPVOID pData, const GUID *pguid )
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( !ll.IsLocked() )
return FALSE;
if ( pFunction != NULL )
{
GUID guid; CreateKey( &guid, (void*)pFunction, pData, pguid );
m_vCallbackTargetQueue.erase( guid );
m_vCallbackTargetQueue.push_back( guid, _PTR_NEW CCallbackTarget( NULL, pFunction, pData, 1, pguid ) );
} // end if
return TRUE;
}
BOOL CMessageList::DoCallback( WPARAM wParam, LPARAM lParam, const GUID *pguid )
{
if ( m_bClose )
return FALSE;
CTlLocalLock ll( m_vCallbackTarget );
if ( !ll.IsLocked() )
return FALSE;
UpdateCallbackQueue();
THList< GUID, CCallbackTarget >::iterator it = NULL;
while ( ( it = m_vCallbackTarget.next( it ) ) != m_vCallbackTarget.end() )
{
RULIB_TRY
{
if ( (*it)->pCallbackFunction != NULL || (*it)->pCallbackFunction2 != NULL )
{
if ( pguid == NULL || IsEqualGUID( (*it)->guid, CLSID_ZERO ) || IsEqualGUID( (*it)->guid, *pguid ) )
{
if ( (*it)->pCallbackFunction != NULL )
(*it)->pCallbackFunction( (*it)->pData, wParam, lParam );
else if ( (*it)->pCallbackFunction2 != NULL )
(*it)->pCallbackFunction2( (*it)->pData, wParam, lParam, pguid );
} // end if
} // end if
else
it = m_vCallbackTarget.erase( it );
} RULIB_CATCH_ALL
// Next
{ RULIB_TRY { it = m_vCallbackTarget.erase( it ); } RULIB_CATCH_ALL { return TRUE; } }
} // end while
return TRUE;
}
void CMessageList::RemoveCallbackFunction( CMESSAGE_CALLBACK_FUNCTION pFunction, LPVOID pData, const GUID *pguid )
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( !ll.IsLocked() )
return;
if ( pFunction != NULL )
{
GUID guid;
CreateKey( &guid, (void*)pFunction, pData, pguid );
m_vCallbackTargetQueue.erase( guid );
m_vCallbackTargetQueue.push_back( guid, _PTR_NEW CCallbackTarget( pFunction, NULL, pData, 2, pguid ) );
} // end if
// GUID guid; CreateKey( &guid, (DWORD)pFunction, (DWORD)pData, pguid );
// m_vCallbackTarget.erase( guid );
}
void CMessageList::RemoveCallbackFunction( CMESSAGELIST_CALLBACK_FUNCTION pFunction, LPVOID pData, const GUID *pguid )
{
if ( m_bClose )
return;
CTlLocalLock ll( m_vCallbackTargetQueue );
if ( !ll.IsLocked() )
return;
if ( pFunction != NULL )
{
GUID guid;
CreateKey( &guid, (void*)pFunction, pData, pguid );
m_vCallbackTargetQueue.erase( guid );
m_vCallbackTargetQueue.push_back( guid, _PTR_NEW CCallbackTarget( NULL, pFunction, pData, 2, pguid ) );
} // end if
// GUID guid; CreateKey( &guid, (DWORD)pFunction, (DWORD)pData, pguid );
// m_vCallbackTarget.erase( guid );
}
BOOL CMessageList::MMessage( WPARAM wParam, LPARAM lParam, const GUID *pguid, BOOL bFunction, BOOL bWMessage )
{
if ( m_bClose )
return FALSE;
BOOL bRet = FALSE;
if ( bFunction )
bRet |= DoCallback( wParam, lParam, pguid );
if ( MessageTargets() )
bRet |= MWMMessage( wParam, lParam, pguid );
return bRet;
}
BOOL CMessageList::_MSendMessage( WPARAM wParam, LPARAM lParam, const GUID *pguid, BOOL bFunction, BOOL bWMessage )
{
if ( m_bClose )
return FALSE;
BOOL bRet = FALSE;
if ( bFunction )
bRet |= DoCallback( wParam, lParam, pguid );
if ( MessageTargets() )
bRet |= SendWMMessage( wParam, lParam, pguid );
return bRet;
}
BOOL CMessageList::_MPostMessage( WPARAM wParam, LPARAM lParam, const GUID *pguid, BOOL bFunction, BOOL bWMessage )
{
if ( m_bClose )
return FALSE;
BOOL bRet = FALSE;
if ( bFunction )
bRet |= DoCallback( wParam, lParam, pguid );
if ( MessageTargets() )
bRet |= PostWMMessage( wParam, lParam, pguid );
return bRet;
}
BOOL CThreadTimer::DoThread( LPVOID pData )
{
DWORD dwWait = m_dwDelay;
m_dwPos = GetTickCount() + m_dwDelay;
while ( 0 != ::WaitForSingleObject( GetStopEvent(), dwWait ) )
{
// Do the callback
DoCallback( (WPARAM)dwWait, (LPARAM)this );
// Where we want to be
m_dwPos += m_dwDelay;
// Where we are
DWORD dwTick = GetTickCount();
if ( dwTick < m_dwPos )
dwWait = m_dwPos - dwTick;
else
dwWait = 0;
} // end while
return FALSE;
}