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windows-xp/Source/XPSP1/NT/admin/pchealth/helpctr/shell/misc/events.cpp

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/******************************************************************************
Copyright (c) 1999 Microsoft Corporation
Module Name:
Events.cpp
Abstract:
This file contains the implementation of the classes related to events.
Revision History:
Davide Massarenti (dmassare) 10/31/99
created
******************************************************************************/
#include "stdafx.h"
#include <mshtmdid.h>
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
#ifdef DEBUG
static void DEBUG_CheckReadyState()
{
CComPtr<IWebBrowser2> wb2; wb2.Attach( CPCHHelpCenterExternal::s_GLOBAL->Contents() );
tagREADYSTATE ready;
if(wb2 && SUCCEEDED(wb2->get_ReadyState( &ready )))
{
DebugLog( "#################### WEB %d\n", (int)ready );
}
}
static HRESULT DEBUG_GetReadyStateFromBrowser( IDispatch* pDisp ,
tagREADYSTATE *pVal )
{
__HCP_FUNC_ENTRY( "DEBUG_GetReadyStateFromBrowser" );
HRESULT hr;
CComPtr<IWebBrowser2> wb;
*pVal = READYSTATE_UNINITIALIZED;
__MPC_EXIT_IF_METHOD_FAILS(hr, pDisp->QueryInterface( IID_IWebBrowser2, (LPVOID*)&wb ));
__MPC_EXIT_IF_METHOD_FAILS(hr, wb ->get_ReadyState( pVal ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
static HRESULT DEBUG_GetLocationFromBrowser( IDispatch* pDisp ,
BSTR *pVal )
{
__HCP_FUNC_ENTRY( "DEBUG_GetLocationFromBrowser" );
HRESULT hr;
CComPtr<IWebBrowser2> wb;
*pVal = NULL;
__MPC_EXIT_IF_METHOD_FAILS(hr, pDisp->QueryInterface ( IID_IWebBrowser2, (LPVOID*)&wb ));
__MPC_EXIT_IF_METHOD_FAILS(hr, wb ->get_LocationURL( pVal ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
static HRESULT DEBUG_GetLocationFromDocument2( IHTMLDocument2* pDoc ,
BSTR *pVal )
{
__HCP_FUNC_ENTRY( "DEBUG_GetLocationFromDocument2" );
HRESULT hr;
CComPtr<IHTMLLocation> pLoc;
*pVal = NULL;
__MPC_EXIT_IF_METHOD_FAILS(hr, pDoc->get_location( &pLoc )); if(pLoc == NULL) __MPC_SET_ERROR_AND_EXIT(hr, E_FAIL);
__MPC_EXIT_IF_METHOD_FAILS(hr, pLoc->get_href ( pVal ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
#else
inline void DEBUG_CheckReadyState () {}
inline HRESULT DEBUG_GetReadyStateFromBrowser() { return S_OK; }
inline HRESULT DEBUG_GetLocationFromBrowser () { return S_OK; }
inline HRESULT DEBUG_GetLocationFromDocument2() { return S_OK; }
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static WCHAR s_eventNames_onBeforeNavigate [] = L"onBeforeNavigate" ;
static WCHAR s_eventNames_onNavigateComplete [] = L"onNavigateComplete" ;
static WCHAR s_eventNames_onBeforeTransition [] = L"onBeforeTransition" ;
static WCHAR s_eventNames_onTransition [] = L"onTransition" ;
static WCHAR s_eventNames_onBeforeContextSwitch[] = L"onBeforeContextSwitch";
static WCHAR s_eventNames_onContextSwitch [] = L"onContextSwitch" ;
static WCHAR s_eventNames_onPersistLoad [] = L"onPersistLoad" ;
static WCHAR s_eventNames_onPersistSave [] = L"onPersistSave" ;
static WCHAR s_eventNames_onTravelDone [] = L"onTravelDone" ;
static WCHAR s_eventNames_onShutdown [] = L"onShutdown" ;
static WCHAR s_eventNames_onPrint [] = L"onPrint" ;
static WCHAR s_eventNames_onSwitchedHelpFiles [] = L"onSwitchedHelpFiles" ;
static WCHAR s_eventNames_onFavoritesUpdate [] = L"onFavoritesUpdate" ;
static WCHAR s_eventNames_onOptionsChanged [] = L"onOptionsChanged" ;
static WCHAR s_eventNames_onCssChanged [] = L"onCssChanged" ;
static struct
{
LPCWSTR szName;
DISPID id;
}
s_lookup[] =
{
{ s_eventNames_onBeforeNavigate , DISPID_PCH_E_BEFORENAVIGATE },
{ s_eventNames_onNavigateComplete , DISPID_PCH_E_NAVIGATECOMPLETE },
{ s_eventNames_onBeforeTransition , DISPID_PCH_E_BEFORETRANSITION },
{ s_eventNames_onTransition , DISPID_PCH_E_TRANSITION },
{ s_eventNames_onBeforeContextSwitch, DISPID_PCH_E_BEFORECONTEXTSWITCH },
{ s_eventNames_onContextSwitch , DISPID_PCH_E_CONTEXTSWITCH },
{ s_eventNames_onPersistLoad , DISPID_PCH_E_PERSISTLOAD },
{ s_eventNames_onPersistSave , DISPID_PCH_E_PERSISTSAVE },
{ s_eventNames_onTravelDone , DISPID_PCH_E_TRAVELDONE },
{ s_eventNames_onShutdown , DISPID_PCH_E_SHUTDOWN },
{ s_eventNames_onPrint , DISPID_PCH_E_PRINT },
{ s_eventNames_onSwitchedHelpFiles , DISPID_PCH_E_SWITCHEDHELPFILES },
{ s_eventNames_onFavoritesUpdate , DISPID_PCH_E_FAVORITESUPDATE },
{ s_eventNames_onOptionsChanged , DISPID_PCH_E_OPTIONSCHANGED },
{ s_eventNames_onCssChanged , DISPID_PCH_E_CSSCHANGED },
};
/////////////////////////////////////////////////////////////////////////////
bool CPCHEvents::EventRegistration::operator==( /*[in]*/ const long lCookie ) const { return m_lCookie == lCookie ; }
bool CPCHEvents::EventRegistration::operator< ( /*[in]*/ const long lPriority ) const { return m_lPriority < lPriority; }
CPCHEvents::CPCHEvents()
{
m_parent = NULL; // CPCHHelpCenterExternal* m_parent;
// List m_lstEvents;
// List m_lstEvents_Staging;
m_lLastCookie = 0; // long m_lLastCookie;
}
CPCHEvents::~CPCHEvents()
{
Passivate();
}
void CPCHEvents::Initialize( /*[in]*/ CPCHHelpCenterExternal* parent )
{
m_parent = parent;
}
void CPCHEvents::Passivate()
{
//
// We don't remove the item from the main list, only FireEvent is allowed to change that list!
//
for(Iter it=m_lstEvents.begin(); it!=m_lstEvents.end(); it++)
{
it->m_fnCallback.Release();
}
m_lstEvents_Staging.clear();
m_parent = NULL;
}
////////////////////
HRESULT CPCHEvents::RegisterEvents( /*[in]*/ long id ,
/*[in]*/ long pri ,
/*[in]*/ IDispatch* function ,
/*[out,retval]*/ long *cookie )
{
__HCP_FUNC_ENTRY( "CPCHEvents::RegisterEvents" );
HRESULT hr;
Iter it;
if(id != -1) // Special case, used only internally, to pass the ID of the event through the Invoke method call.
{
if(CPCHEvents::ReverseLookup( id ) == NULL)
{
__MPC_SET_ERROR_AND_EXIT(hr, E_INVALIDARG);
}
}
it = m_lstEvents_Staging.insert( m_lstEvents_Staging.end() ); // This line creates a new item!!
it->m_lCookie = ++m_lLastCookie; // long m_lCookie;
it->m_id = id; // DISPID m_id;
it->m_lPriority = pri; // long m_lPriority;
it->m_fnCallback = function; // MPC::CComPtrThreadNeutral<IDispatch> m_fnCallback;
if(cookie) *cookie = it->m_lCookie;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::RegisterEvents( /*[in]*/ BSTR bstrID ,
/*[in]*/ long pri ,
/*[in]*/ IDispatch* function ,
/*[out,retval]*/ long *cookie )
{
return RegisterEvents( bstrID ? CPCHEvents::Lookup( bstrID ) : -1, pri, function, cookie );
}
HRESULT CPCHEvents::UnregisterEvents( /*[in]*/ long cookie )
{
__HCP_FUNC_ENTRY( "CPCHEvents::UnregisterEvents" );
HRESULT hr;
Iter it;
//
// We don't remove the item from the main list, only FireEvent is allowed to change that list!
//
it = std::find( m_lstEvents.begin(), m_lstEvents.end(), cookie );
if(it != m_lstEvents.end())
{
it->m_fnCallback.Release();
}
it = std::find( m_lstEvents_Staging.begin(), m_lstEvents_Staging.end(), cookie );
if(it != m_lstEvents_Staging.end())
{
m_lstEvents_Staging.erase( it );
}
hr = S_OK;
__HCP_FUNC_EXIT(hr);
}
////////////////////
HRESULT CPCHEvents::FireEvent( /*[in]*/ CPCHEvent* eventObj )
{
__HCP_FUNC_ENTRY( "CPCHHelpCenterExternal::FireEvent" );
HRESULT hr;
if(m_parent)
{
Iter it;
Iter itStaging;
DISPID id = eventObj->m_idAction;
CComVariant vEvent = eventObj;
CPCHHelpSession* hs = m_parent->HelpSession();
eventObj->m_hsiCurrentContext = hs->Current();
if(eventObj->m_hsiCurrentContext)
{
eventObj->m_hsiPreviousContext = eventObj->m_hsiCurrentContext->Previous();
}
DEBUG_AppendPerf( DEBUG_PERF_EVENTS_OUT, L"CPCHHelpCenterExternal::FireEvent: %s - URL: %s - Frame: %s - Panel: %s",
CPCHEvents::ReverseLookup( id ),
SAFEBSTR( eventObj->m_bstrURL ),
SAFEBSTR( eventObj->m_bstrFrame ),
SAFEBSTR( eventObj->m_bstrPanel ) );
DebugLog( L"%%%%%%%%%%%%%%%%%%%% EVENT %s - URL: %s - Frame: %s - Panel: %s\n",
CPCHEvents::ReverseLookup( id ),
SAFEBSTR( eventObj->m_bstrURL ),
SAFEBSTR( eventObj->m_bstrFrame ),
SAFEBSTR( eventObj->m_bstrPanel ) );
//
// Merge staging list into main list.
//
for(itStaging=m_lstEvents_Staging.begin(); itStaging!=m_lstEvents_Staging.end(); itStaging++)
{
//
// Insert in priority order.
//
for(it=m_lstEvents.begin(); it!=m_lstEvents.end(); it++)
{
if(*it < itStaging->m_lPriority) break;
}
m_lstEvents.insert( it, *itStaging );
}
m_lstEvents_Staging.clear();
//
// Dispatch the event to all the sinks registered for it.
//
for(it=m_lstEvents.begin(); it!=m_lstEvents.end(); )
{
if(it->m_id == -1 || // Listen to all the events...
it->m_id == id )
{
CComPtr<IDispatch> pPtr = it->m_fnCallback;
CComDispatchDriver pDisp = pPtr;
if(pDisp)
{
if(SUCCEEDED(pDisp.Invoke1( it->m_id == -1 ? id : (DISPID)0, &vEvent )))
{
VARIANT_BOOL fCancel;
__MPC_EXIT_IF_METHOD_FAILS(hr, eventObj->get_Cancel( &fCancel ));
if(fCancel == VARIANT_TRUE) break;
}
else
{
//
// The script is no more valid, prepare to release it.
//
it->m_fnCallback.Release();
}
}
}
if(!m_parent) break; // We have been passivated...
if(!it->m_fnCallback)
{
m_lstEvents.erase( it++ );
}
else
{
it++;
}
}
}
if(!m_parent) // We have been passivated...
{
m_lstEvents .clear();
m_lstEvents_Staging.clear();
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
/////////////////////////////////////////////////////////////////////////////
HRESULT CPCHEvents::FireEvent_Generic( /*[in]*/ DISPID id ,
/*[out]*/ VARIANT_BOOL *Cancel )
{
__HCP_FUNC_ENTRY( "CPCHHelpCenterExternal::FireEvent_Generic" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = id;
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
if(Cancel) *Cancel = obj->m_fCancel;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_BeforeNavigate( /*[in]*/ BSTR bstrURL ,
/*[in]*/ BSTR bstrFrame ,
/*[in]*/ HscPanel idPanel ,
/*[out]*/ VARIANT_BOOL *Cancel )
{
__HCP_FUNC_ENTRY( "CPCHHelpCenterExternal::FireEvent_BeforeNavigate" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = DISPID_PCH_E_BEFORENAVIGATE;
obj->m_bstrURL = bstrURL;
obj->m_bstrFrame = bstrFrame;
obj->m_bstrPanel = m_parent->PanelName( idPanel );
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
if(Cancel) *Cancel = obj->m_fCancel;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_NavigateComplete( /*[in]*/ BSTR bstrURL ,
/*[in]*/ HscPanel idPanel ,
/*[out]*/ VARIANT_BOOL *Cancel )
{
__HCP_FUNC_ENTRY( "CPCHHelpCenterExternal::FireEvent_NavigateComplete" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = DISPID_PCH_E_NAVIGATECOMPLETE;
obj->m_bstrURL = bstrURL;
obj->m_bstrPanel = m_parent->PanelName( idPanel );
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
if(Cancel) *Cancel = obj->m_fCancel;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_BeforeTransition( /*[in]*/ BSTR bstrPlace ,
/*[out]*/ VARIANT_BOOL *Cancel )
{
__HCP_FUNC_ENTRY( "CPCHEvents::FireEvent_BeforeTransition" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = DISPID_PCH_E_BEFORETRANSITION;
obj->m_bstrPlace = bstrPlace;
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
if(Cancel) *Cancel = obj->m_fCancel;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_Transition( /*[in]*/ BSTR bstrPlace )
{
__HCP_FUNC_ENTRY( "CPCHEvents::FireEvent_Transition" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = DISPID_PCH_E_TRANSITION;
obj->m_bstrPlace = bstrPlace;
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_BeforeContextSwitch( /*[in ]*/ HscContext iVal ,
/*[in ]*/ BSTR bstrInfo ,
/*[in ]*/ BSTR bstrURL ,
/*[out]*/ VARIANT_BOOL *Cancel )
{
__HCP_FUNC_ENTRY( "CPCHEvents::FireEvent_BeforeContextSwitch" );
HRESULT hr;
CComPtr<CPCHEvent> obj;
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &obj ));
obj->m_idAction = DISPID_PCH_E_BEFORECONTEXTSWITCH;
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->HelpSession()->RegisterContextSwitch( iVal, bstrInfo, bstrURL, &obj->m_hsiNextContext ));
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->Events().FireEvent( obj ));
if(Cancel) *Cancel = obj->m_fCancel;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
HRESULT CPCHEvents::FireEvent_ContextSwitch ( ) { return FireEvent_Generic( DISPID_PCH_E_CONTEXTSWITCH ); }
HRESULT CPCHEvents::FireEvent_PersistLoad ( ) { return FireEvent_Generic( DISPID_PCH_E_PERSISTLOAD ); }
HRESULT CPCHEvents::FireEvent_PersistSave ( ) { return FireEvent_Generic( DISPID_PCH_E_PERSISTSAVE ); }
HRESULT CPCHEvents::FireEvent_TravelDone ( ) { return FireEvent_Generic( DISPID_PCH_E_TRAVELDONE ); }
HRESULT CPCHEvents::FireEvent_Shutdown ( VARIANT_BOOL *Cancel ) { return FireEvent_Generic( DISPID_PCH_E_SHUTDOWN , Cancel ); }
HRESULT CPCHEvents::FireEvent_Print ( VARIANT_BOOL *Cancel ) { return FireEvent_Generic( DISPID_PCH_E_PRINT , Cancel ); }
HRESULT CPCHEvents::FireEvent_SwitchedHelpFiles( ) { return FireEvent_Generic( DISPID_PCH_E_SWITCHEDHELPFILES ); }
HRESULT CPCHEvents::FireEvent_FavoritesUpdate ( ) { return FireEvent_Generic( DISPID_PCH_E_FAVORITESUPDATE ); }
HRESULT CPCHEvents::FireEvent_OptionsChanged ( ) { return FireEvent_Generic( DISPID_PCH_E_OPTIONSCHANGED ); }
HRESULT CPCHEvents::FireEvent_CssChanged ( ) { return FireEvent_Generic( DISPID_PCH_E_CSSCHANGED ); }
DISPID CPCHEvents::Lookup( LPCWSTR szName )
{
if(szName)
{
for(int i = 0; i<ARRAYSIZE(s_lookup); i++)
{
if(!_wcsicmp( s_lookup[i].szName, szName )) return s_lookup[i].id;
}
}
return 0;
}
LPCWSTR CPCHEvents::ReverseLookup( DISPID idEvent )
{
for(int i = 0; i<ARRAYSIZE(s_lookup); i++)
{
if(s_lookup[i].id == idEvent) return s_lookup[i].szName;
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
CPCHEvent::CPCHEvent()
{
// DISPID m_idAction;
m_fCancel = VARIANT_FALSE; // VARIANT_BOOL m_fCancel;
//
// CComBSTR m_bstrURL;
// CComBSTR m_bstrFrame;
// CComBSTR m_bstrPanel;
// CComBSTR m_bstrPlace;
// CComBSTR m_bstrContextData;
//
// CComPtr<CPCHHelpSessionItem> m_hsiCurrentContext;
// CComPtr<CPCHHelpSessionItem> m_hsiPreviousContext;
}
CPCHEvent::~CPCHEvent()
{
}
////////////////////////////////////////
STDMETHODIMP CPCHEvent::get_Action( /*[out, retval]*/ BSTR *pVal )
{
return MPC::GetBSTR( CPCHEvents::ReverseLookup( m_idAction ), pVal );
}
////////////////////
STDMETHODIMP CPCHEvent::put_Cancel( /*[in]*/ VARIANT_BOOL newVal )
{
m_fCancel = newVal;
return S_OK;
}
STDMETHODIMP CPCHEvent::get_Cancel( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
if(pVal == NULL) return E_POINTER;
*pVal = m_fCancel;
return S_OK;
}
////////////////////
HRESULT CPCHEvent::put_URL( /*[in]*/ BSTR newVal )
{
return MPC::PutBSTR( m_bstrURL, newVal );
}
STDMETHODIMP CPCHEvent::get_URL( /*[out, retval]*/ BSTR *pVal )
{
return MPC::GetBSTR( m_bstrURL, pVal );
}
////////////////////
HRESULT CPCHEvent::put_Frame( /*[in]*/ BSTR newVal )
{
return MPC::PutBSTR( m_bstrFrame, newVal );
}
STDMETHODIMP CPCHEvent::get_Frame( /*[out, retval]*/ BSTR *pVal )
{
return MPC::GetBSTR( m_bstrFrame, pVal );
}
////////////////////
HRESULT CPCHEvent::put_Panel( /*[in]*/ BSTR newVal )
{
return MPC::PutBSTR( m_bstrPanel, newVal );
}
STDMETHODIMP CPCHEvent::get_Panel( /*[out, retval]*/ BSTR *pVal )
{
return MPC::GetBSTR( m_bstrPanel, pVal );
}
////////////////////
HRESULT CPCHEvent::put_Place( /*[in]*/ BSTR newVal )
{
return MPC::PutBSTR( m_bstrPlace, newVal );
}
STDMETHODIMP CPCHEvent::get_Place( /*[out, retval]*/ BSTR *pVal )
{
return MPC::GetBSTR( m_bstrPlace, pVal );
}
////////////////////
STDMETHODIMP CPCHEvent::get_CurrentContext( /*[out, retval]*/ IPCHHelpSessionItem* *pVal )
{
return MPC::CopyTo( (CPCHHelpSessionItem*)m_hsiCurrentContext, pVal );
}
STDMETHODIMP CPCHEvent::get_PreviousContext( /*[out, retval]*/ IPCHHelpSessionItem* *pVal )
{
return MPC::CopyTo( (CPCHHelpSessionItem*)m_hsiPreviousContext, pVal );
}
STDMETHODIMP CPCHEvent::get_NextContext( /*[out, retval]*/ IPCHHelpSessionItem* *pVal )
{
return MPC::CopyTo( (CPCHHelpSessionItem*)m_hsiNextContext, pVal );
}
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
CPCHTimerHandle::CallbackBase::CallbackBase()
{
m_lRef = 1; // long m_lRef;
}
STDMETHODIMP_(ULONG) CPCHTimerHandle::CallbackBase::AddRef()
{
return ::InterlockedIncrement( &m_lRef );
}
STDMETHODIMP_(ULONG) CPCHTimerHandle::CallbackBase::Release()
{
ULONG l = ::InterlockedDecrement( &m_lRef );
if(l == 0) delete this;
return l;
}
STDMETHODIMP CPCHTimerHandle::CallbackBase::QueryInterface( REFIID iid, void ** ppvObject )
{
if(ppvObject == NULL) return E_POINTER;
if(InlineIsEqualUnknown( iid ) ||
InlineIsEqualGUID ( iid, IID_ITimerSink ) )
{
*ppvObject = this; AddRef();
return S_OK;
}
*ppvObject = NULL;
return E_NOINTERFACE;
}
////////////////////////////////////////
CPCHTimerHandle::CPCHTimerHandle()
{
// CComPtr<ITimer> m_timer;
m_dwCookie = 0; // DWORD m_dwCookie;
m_callback = NULL; // CallbackBase* m_callback;
}
CPCHTimerHandle::~CPCHTimerHandle()
{
Unadvise();
}
void CPCHTimerHandle::Initialize( /*[in]*/ ITimer* timer )
{
Unadvise();
m_timer = timer;
}
HRESULT CPCHTimerHandle::Advise( /*[in]*/ CallbackBase* callback, /*[in]*/ DWORD dwWait )
{
if(!callback) return E_OUTOFMEMORY;
Unadvise();
m_callback = callback;
if(!m_timer) return E_INVALIDARG;
CComVariant vTime = (long)(dwWait + ::GetTickCount());
CComVariant vZero = 0;
return m_timer->Advise( vTime, vZero, vZero, 0, callback, &m_dwCookie );
}
void CPCHTimerHandle::Unadvise()
{
if(m_timer)
{
if(m_dwCookie)
{
m_timer->Unadvise( m_dwCookie );
m_dwCookie = 0;
}
}
if(m_callback)
{
m_callback->Detach ();
m_callback->Release();
m_callback = NULL;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
CPCHWebBrowserEvents::CPCHWebBrowserEvents()
{
__HCP_FUNC_ENTRY( "CPCHWebBrowserEvents::CPCHWebBrowserEvents" );
m_parent = NULL; // CPCHHelpCenterExternal* m_parent;
m_idPanel = HSCPANEL_INVALID; // HscPanel m_idPanel;
//
// CComPtr<IWebBrowser2> m_pWB2;
m_fLoading = false; // bool m_fLoading;
//
// CPCHTimerHandle m_TimerDelay;
// CPCHTimerHandle m_TimerExpire;
}
CPCHWebBrowserEvents::~CPCHWebBrowserEvents()
{
Passivate();
}
////////////////////////////////////////////////////////////////////////////////
void CPCHWebBrowserEvents::NotifyStartOfNavigation( /*[in]*/ BSTR url )
{
CPCHHelpSession* hs = m_parent->HelpSession();
if(hs)
{
m_fLoading = true;
(void)hs->StartNavigation( url, m_idPanel );
}
}
void CPCHWebBrowserEvents::NotifyEndOfNavigation()
{
CPCHHelpSession* hs = m_parent->HelpSession();
m_fLoading = false;
if(hs)
{
(void)hs->CompleteNavigation( m_idPanel );
}
}
void CPCHWebBrowserEvents::NotifyStop()
{
TimerControl( TIMERMODE_STOP );
}
////////////////////////////////////////////////////////////////////////////////
void CPCHWebBrowserEvents::Initialize( /*[in]*/ CPCHHelpCenterExternal* parent, /*[in]*/ HscPanel idPanel )
{
m_parent = parent;
m_idPanel = idPanel;
}
void CPCHWebBrowserEvents::Passivate()
{
Detach();
m_parent = NULL;
}
void CPCHWebBrowserEvents::Attach( /*[in]*/ IWebBrowser2* pWB )
{
__HCP_FUNC_ENTRY( "CPCHWebBrowserEvents::Attach" );
Detach();
m_pWB2 = pWB;
if(m_pWB2)
{
CPCHWebBrowserEvents_DWebBrowserEvents2::DispEventAdvise( m_pWB2 );
}
m_TimerDelay .Initialize( m_parent->Timer() );
m_TimerExpire.Initialize( m_parent->Timer() );
}
void CPCHWebBrowserEvents::Detach()
{
__HCP_FUNC_ENTRY( "CPCHWebBrowserEvents::Detach" );
TimerControl( TIMERMODE_STOP );
if(m_pWB2)
{
CPCHWebBrowserEvents_DWebBrowserEvents2::DispEventUnadvise( m_pWB2 );
m_pWB2.Release();
}
}
/////////////////////////////////////////////////////////////////////////////
void CPCHWebBrowserEvents::TimerControl( /*[in]*/ TimerMode mode )
{
switch(mode)
{
case TIMERMODE_STOP:
m_TimerDelay .Stop();
m_TimerExpire.Stop();
break;
case TIMERMODE_RESTART:
m_TimerDelay .Stop ( );
m_TimerExpire.Start( this, (HRESULT (CPCHWebBrowserEvents::*)(VARIANT))OnTimer, 2000 );
break;
case TIMERMODE_MORETIME:
m_TimerExpire.Start( this, (HRESULT (CPCHWebBrowserEvents::*)(VARIANT))OnTimer, 100 );
break;
case TIMERMODE_COMPLETE:
m_TimerDelay .Start( this, (HRESULT (CPCHWebBrowserEvents::*)(VARIANT))OnTimer, 20 );
m_TimerExpire.Stop ( );
break;
}
}
HRESULT CPCHWebBrowserEvents::OnTimer( VARIANT vtimeAdvise )
{
TimerControl( TIMERMODE_STOP );
NotifyEndOfNavigation();
return S_OK;
}
/////////////////////////////////////////////////////////////////////////////
void __stdcall CPCHWebBrowserEvents::BeforeNavigate2( IDispatch* pDisp ,
VARIANT* URL ,
VARIANT* Flags ,
VARIANT* TargetFrameName,
VARIANT* PostData ,
VARIANT* Headers ,
VARIANT_BOOL *Cancel )
{
if(!m_parent) return; // Called before init or after passivate.
#ifdef DEBUG
DebugLog( L"#################### BeforeNavigate2 %s %08x %s\n", m_parent->PanelName( m_idPanel ), pDisp, SAFEBSTR( V_BSTR( URL ) ) );
DEBUG_CheckReadyState();
#endif
DEBUG_AppendPerf( DEBUG_PERF_EVENTS_IN, L"CPCHWebBrowserEvents::BeforeNavigate2 : %s", SAFEBSTR( V_BSTR( URL ) ) );
CComBSTR bstrFrame;
BSTR bstrURL = V_BSTR( URL );
if(FAILED(MPC::HTML::GetFramePath( bstrFrame, pDisp )) || !bstrFrame)
{
if(V_VT(TargetFrameName) == VT_BSTR)
{
bstrFrame = V_BSTR(TargetFrameName);
}
}
{
bool fProceed = m_parent->ProcessNavigation( m_idPanel, bstrURL, bstrFrame, m_fLoading, *Cancel );
DebugLog( L"#################### ProcessNavigation %s%s%s\n", m_fLoading ? L"loading " : L"", fProceed ? L"proceed " : L"", *Cancel ? L"cancelled " : L"" );
if(fProceed)
{
if(m_fLoading)
{
TimerControl( TIMERMODE_MORETIME );
}
else
{
TimerControl( TIMERMODE_RESTART );
NotifyStartOfNavigation( bstrURL );
}
}
}
}
void __stdcall CPCHWebBrowserEvents::NewWindow2( IDispatch* *ppDisp ,
VARIANT_BOOL *Cancel )
{
// Not disabled in Whistler.
// *Cancel = VARIANT_TRUE;
}
void __stdcall CPCHWebBrowserEvents::NavigateComplete2( IDispatch* pDisp ,
VARIANT* URL )
{
if(!m_parent) return; // Called before init or after passivate.
#ifdef DEBUG
DebugLog( L"#################### NavigateComplete2 %s %08x %s\n", m_parent->PanelName( m_idPanel ), pDisp, SAFEBSTR( V_BSTR( URL ) ) );
DEBUG_CheckReadyState();
#endif
DEBUG_AppendPerf( DEBUG_PERF_EVENTS_IN, L"CPCHWebBrowserEvents::NavigateComplete2 : %s", SAFEBSTR( V_BSTR( URL ) ) );
TimerControl( TIMERMODE_MORETIME );
}
void __stdcall CPCHWebBrowserEvents::DocumentComplete( IDispatch* pDisp ,
VARIANT* URL )
{
if(!m_parent) return; // Called before init or after passivate.
BSTR bstrURL = V_BSTR( URL );
#ifdef DEBUG
DebugLog( L"#################### DocumentComplete %s %08x %s\n", m_parent->PanelName( m_idPanel ), pDisp, SAFEBSTR( bstrURL ) );
DEBUG_CheckReadyState();
#endif
DEBUG_AppendPerf( DEBUG_PERF_EVENTS_IN, L"CPCHWebBrowserEvents::DocumentComplete : %s", SAFEBSTR( bstrURL ) );
TimerControl( TIMERMODE_MORETIME );
//
// If it's one of the URL in the ignore list, don't queue the complete notification.
//
{
CPCHHelpSession* hs = m_parent->HelpSession();
if(hs && hs->IsUrlToIgnore( bstrURL, /*fRemove*/true ))
{
m_fLoading = false;
return;
}
}
//
// Get to the document and extract its title.
//
{
CComPtr<IHTMLDocument2> pDoc;
if(SUCCEEDED(MPC::HTML::IDispatch_To_IHTMLDocument2( pDoc, pDisp )))
{
CComBSTR bstrTitle;
if(SUCCEEDED(pDoc->get_title( &bstrTitle )))
{
(void)m_parent->HelpSession()->RecordTitle( URL->bstrVal, bstrTitle, false );
}
}
}
if(m_fLoading)
{
if(m_pWB2)
{
tagREADYSTATE readystate;
if(SUCCEEDED(m_pWB2->get_ReadyState( &readystate )) && readystate == READYSTATE_COMPLETE)
{
bool fDone;
if(SUCCEEDED(MPC::HTML::AreAllTheFramesInTheCompleteState( fDone, m_pWB2 )) && fDone)
{
TimerControl( TIMERMODE_COMPLETE );
}
}
}
}
}