CCONF.CPP

//**************************************************************************** 
//  Module:     NMCHAT.EXE 
//  File:       CCONF.CPP 
//  Content:     
//               
// 
//  Copyright (c) Microsoft Corporation 1997 
// 
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF  
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO  
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A  
// PARTICULAR PURPOSE. 
//**************************************************************************** 
 
#include "precomp.h" 
 
// Global Varaiables 
INmManager * g_pMgr  = NULL;             // The Conference Manager 
CMgrNotify * g_pMgrNotify = NULL;        // Notifications for the Manager 
INmConference * g_pConference = NULL;    // The Current Conference 
CConfNotify * g_pConferenceNotify =NULL; // Notifications for the Conference 
 
// Local Application Guid : {D29A8C50-774F-11d0-8B1D-00A0C91BC90E} 
const GUID g_guidApp =  
{ 0xd29a8c51, 0x774f, 0x11d0, { 0x8b, 0x1d, 0x0, 0xa0, 0xc9, 0x1b, 0xc9, 0xe} }; 
 
// NetMeeting 2.0 chat guid: {340F3A60-7067-11D0-A041-444553540000} 
const GUID g_guidNM2Chat = 
{ 0x340f3a60, 0x7067, 0x11d0, { 0xa0, 0x41, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0 } }; 
 
 
//**************************************************************************** 
// 
// CLASS CMgrNotify 
// 
//**************************************************************************** 
 
//**************************************************************************** 
// 
// Constructor 
// 
//**************************************************************************** 
 
CMgrNotify::CMgrNotify() : RefCount(), CNotify() 
{ 
} 
 
 
//**************************************************************************** 
// 
// Destructor 
// 
//**************************************************************************** 
 
CMgrNotify::~CMgrNotify() 
{ 
} 
 
 
//**************************************************************************** 
// 
// Methods from IUnknown 
// 
//**************************************************************************** 
 
ULONG STDMETHODCALLTYPE CMgrNotify::AddRef(void) 
{ 
return RefCount::AddRef(); 
} 
 
 
ULONG STDMETHODCALLTYPE CMgrNotify::Release(void) 
{ 
return RefCount::Release(); 
} 
 
HRESULT STDMETHODCALLTYPE CMgrNotify::QueryInterface(REFIID riid, PVOID *ppvObject) 
{ 
HRESULT hr = S_OK; 
 
if (riid == IID_IUnknown) 
{ 
*ppvObject = (IUnknown *)this; 
} 
else if (riid == IID_INmManagerNotify) 
{ 
*ppvObject = (INmManagerNotify *)this; 
} 
else 
{ 
hr = E_NOINTERFACE; 
*ppvObject = NULL; 
} 
 
if (S_OK == hr) 
{ 
AddRef(); 
} 
 
return hr; 
} 
 
 
//**************************************************************************** 
// 
// HRESULT InitConfMgr(void) 
// 
//**************************************************************************** 
 
HRESULT InitConfMgr(void) 
{ 
HRESULT hr; 
LPCLASSFACTORY pcf; 
 
    // Notify the system we want to use the conferencing services 
    // by creating a conference manager object 
    hr = CoGetClassObject(CLSID_NmManager, 
                          CLSCTX_INPROC, 
                          NULL, 
                          IID_IClassFactory, 
                          (void**)&pcf); 
    if (SUCCEEDED(hr)) 
    { 
        // Get the conference manager object 
        hr = pcf->CreateInstance(NULL, IID_INmManager, (void**)&g_pMgr); 
    if (SUCCEEDED(hr)) 
        { 
            // Connect to the conference manager object 
            g_pMgrNotify = new CMgrNotify(); 
            if (NULL != g_pMgrNotify) 
            { 
                hr = g_pMgrNotify->Connect(g_pMgr); 
    if (SUCCEEDED(hr)) 
                { 
                ULONG uchCaps = NMCH_ALL; 
                ULONG uOptions = 0; 
hr = g_pMgr->Initialize(&uOptions, &uchCaps); 
} 
            } 
        } 
 
        pcf->Release(); 
    } 
 
return hr; 
} 
 
 
//**************************************************************************** 
// 
// VOID FreeConfMgr(void) 
// 
//**************************************************************************** 
 
VOID FreeConfMgr(void) 
{ 
// Release conference manager notify 
if (NULL != g_pMgrNotify) 
{ 
g_pMgrNotify->Disconnect(); 
g_pMgrNotify->Release(); 
g_pMgrNotify = NULL; 
} 
 
// Release conference manager 
if (NULL != g_pMgr) 
{ 
g_pMgr->Release(); 
g_pMgr = NULL; 
} 
} 
 
 
//**************************************************************************** 
// 
// VOID FreeConference(void) 
// 
//**************************************************************************** 
 
VOID FreeConference(void) 
{ 
if (NULL != g_pConferenceNotify) 
{ 
g_pConferenceNotify->Disconnect(); 
g_pConferenceNotify->Release(); 
g_pConferenceNotify = NULL; 
} 
 
if (NULL != g_pConference) 
{ 
g_pConference->Release(); 
g_pConference = NULL; 
} 
} 
 
 
//**************************************************************************** 
// 
// Methods from ICNotify 
// 
//**************************************************************************** 
 
HRESULT STDMETHODCALLTYPE CMgrNotify::Connect(IUnknown *pUnk) 
{ 
return CNotify::Connect(pUnk, IID_INmManagerNotify, (IUnknown *)this); 
} 
 
HRESULT STDMETHODCALLTYPE CMgrNotify::Disconnect(void) 
{ 
return CNotify::Disconnect(); 
} 
 
 
//**************************************************************************** 
// 
// Methods from INmManagerNotify 
// 
//**************************************************************************** 
 
HRESULT STDMETHODCALLTYPE CMgrNotify::NmUI(CONFN confn) 
{ 
return S_OK; 
} 
 
HRESULT STDMETHODCALLTYPE CMgrNotify::CallCreated(INmCall *pCall) 
{ 
return S_OK; 
} 
 
// As soon as a conference is available, create the data channel 
HRESULT STDMETHODCALLTYPE CMgrNotify::ConferenceCreated(INmConference *pConference) 
{ 
ASSERT(NULL == g_pConference); 
ASSERT(NULL == g_pChannelData); 
 
HookConference(pConference); 
 
return S_OK; 
} 
 
 
//**************************************************************************** 
// 
// HRESULT HookConference(INmConference * pConference) 
// 
//**************************************************************************** 
 
HRESULT HookConference(INmConference * pConference) 
{ 
HRESULT hr; 
 
ASSERT(NULL != pConference); 
ASSERT(NULL == g_pConference); 
g_pConference = pConference; 
 
pConference->AddRef(); 
 
    // Connect to the conference object 
    ASSERT(NULL == g_pConferenceNotify) 
    g_pConferenceNotify = new CConfNotify(); 
    if (NULL == g_pConferenceNotify) 
    { 
        hr = E_OUTOFMEMORY; 
    } 
    else 
    { 
hr = g_pConferenceNotify->Connect(pConference); 
if (FAILED(hr)) 
{ 
g_pConferenceNotify->Release(); 
g_pConferenceNotify = NULL; 
} 
} 
 
return hr; 
} 
 
 
//**************************************************************************** 
// 
// CLASS CConfNotify 
// 
//**************************************************************************** 
 
//**************************************************************************** 
// 
// Constructor 
// 
//**************************************************************************** 
 
CConfNotify::CConfNotify() : RefCount(), CNotify() 
{ 
} 
 
 
//**************************************************************************** 
// 
// Destructor 
// 
//**************************************************************************** 
 
CConfNotify::~CConfNotify() 
{ 
} 
 
 
//**************************************************************************** 
// 
// Methods from IUnknown 
// 
//**************************************************************************** 
 
ULONG STDMETHODCALLTYPE CConfNotify::AddRef(void) 
{ 
return RefCount::AddRef(); 
} 
 
 
ULONG STDMETHODCALLTYPE CConfNotify::Release(void) 
{ 
return RefCount::Release(); 
} 
 
HRESULT STDMETHODCALLTYPE CConfNotify::QueryInterface(REFIID riid, PVOID *ppvObject) 
{ 
HRESULT hr = S_OK; 
 
if (riid == IID_IUnknown) 
{ 
*ppvObject = (IUnknown *)this; 
} 
else if (riid == IID_INmConferenceNotify) 
{ 
*ppvObject = (INmConferenceNotify *)this; 
} 
else 
{ 
hr = E_NOINTERFACE; 
*ppvObject = NULL; 
} 
 
if (S_OK == hr) 
{ 
AddRef(); 
} 
 
return hr; 
} 
 
 
//**************************************************************************** 
// 
// Methods from ICNotify 
// 
//**************************************************************************** 
 
HRESULT STDMETHODCALLTYPE CConfNotify::Connect(IUnknown *pUnk) 
{ 
return CNotify::Connect(pUnk, IID_INmConferenceNotify, (IUnknown *)this); 
} 
 
HRESULT STDMETHODCALLTYPE CConfNotify::Disconnect(void) 
{ 
return CNotify::Disconnect(); 
} 
 
 
//**************************************************************************** 
// 
// Methods from IConfNotify 
// 
//**************************************************************************** 
 
HRESULT STDMETHODCALLTYPE CConfNotify::NmUI(CONFN uNotify) 
{ 
return S_OK; 
} 
 
HRESULT STDMETHODCALLTYPE CConfNotify::StateChanged(NM_CONFERENCE_STATE uState) 
{ 
if (NULL == g_pConference) 
return S_OK; // weird 
 
switch (uState) 
{ 
case NM_CONFERENCE_ACTIVE: 
{ 
HRESULT hr; 
INmChannelData * pChannelData; 
 
#ifdef NM2_CHAT_PROTOCOL 
hr = g_pConference->CreateDataChannel(&pChannelData, g_guidNM2Chat); 
#else 
hr = g_pConference->CreateDataChannel(&pChannelData, g_guidApp); 
#endif /* NM2_CHAT_PROTOCOL */ 
if (S_OK == hr) 
{ 
hr = HookData(pChannelData);  // Real hook is g_pChannelData 
} 
DisplaySysMsg((S_OK == hr) ? TEXT("Chat Started") : TEXT("Chat failed to start!"), NULL); 
break; 
} 
 
case NM_CONFERENCE_INITIALIZING: 
break; // can't do anything just yet 
 
case NM_CONFERENCE_WAITING: 
FreeDataChannel(); 
DisplaySysMsg(TEXT("Waiting in Host Mode"), NULL); 
break; 
 
case NM_CONFERENCE_IDLE: 
FreeDataChannel(); 
FreeConference(); 
DisplaySysMsg(TEXT("No conference"), NULL); 
break; 
} 
 
return S_OK; 
} 
 
HRESULT STDMETHODCALLTYPE CConfNotify::MemberChanged(NM_MEMBER_NOTIFY uNotify, INmMember *pMember) 
{ 
return S_OK; 
} 
 
HRESULT STDMETHODCALLTYPE CConfNotify::ChannelChanged(NM_CHANNEL_NOTIFY uNotify, INmChannel *pChannel) 
{ 
return S_OK; 
}