?? atlapp.h
字號:
HRESULT Lock()
{
#if (_ATL_VER >= 0x0700)
return m_cslock.Lock();
#else //!(_ATL_VER >= 0x0700)
::EnterCriticalSection(&ATL::_pModule->m_csStaticDataInit);
return S_OK;
#endif //!(_ATL_VER >= 0x0700)
}
void Unlock()
{
#if (_ATL_VER >= 0x0700)
m_cslock.Unlock();
#else //!(_ATL_VER >= 0x0700)
::LeaveCriticalSection(&ATL::_pModule->m_csStaticDataInit);
#endif //!(_ATL_VER >= 0x0700)
}
};
class CWindowCreateCriticalSectionLock
{
public:
#if (_ATL_VER >= 0x0700)
ATL::CComCritSecLock<ATL::CComCriticalSection> m_cslock;
CWindowCreateCriticalSectionLock() : m_cslock(ATL::_AtlWinModule.m_csWindowCreate, false)
{ }
#endif //(_ATL_VER >= 0x0700)
HRESULT Lock()
{
#if (_ATL_VER >= 0x0700)
return m_cslock.Lock();
#else //!(_ATL_VER >= 0x0700)
::EnterCriticalSection(&ATL::_pModule->m_csWindowCreate);
return S_OK;
#endif //!(_ATL_VER >= 0x0700)
}
void Unlock()
{
#if (_ATL_VER >= 0x0700)
m_cslock.Unlock();
#else //!(_ATL_VER >= 0x0700)
::LeaveCriticalSection(&ATL::_pModule->m_csWindowCreate);
#endif //!(_ATL_VER >= 0x0700)
}
};
///////////////////////////////////////////////////////////////////////////////
// CAppModule - module class for an application
class CAppModule : public ATL::CComModule
{
public:
DWORD m_dwMainThreadID;
ATL::CSimpleMap<DWORD, CMessageLoop*>* m_pMsgLoopMap;
ATL::CSimpleArray<HWND>* m_pSettingChangeNotify;
// Overrides of CComModule::Init and Term
HRESULT Init(ATL::_ATL_OBJMAP_ENTRY* pObjMap, HINSTANCE hInstance, const GUID* pLibID = NULL)
{
HRESULT hRet = CComModule::Init(pObjMap, hInstance, pLibID);
if(FAILED(hRet))
return hRet;
m_dwMainThreadID = ::GetCurrentThreadId();
typedef ATL::CSimpleMap<DWORD, CMessageLoop*> _mapClass;
m_pMsgLoopMap = NULL;
ATLTRY(m_pMsgLoopMap = new _mapClass);
if(m_pMsgLoopMap == NULL)
return E_OUTOFMEMORY;
m_pSettingChangeNotify = NULL;
return hRet;
}
void Term()
{
TermSettingChangeNotify();
delete m_pMsgLoopMap;
CComModule::Term();
}
// Message loop map methods
BOOL AddMessageLoop(CMessageLoop* pMsgLoop)
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::AddMessageLoop.\n"));
ATLASSERT(FALSE);
return FALSE;
}
ATLASSERT(pMsgLoop != NULL);
ATLASSERT(m_pMsgLoopMap->Lookup(::GetCurrentThreadId()) == NULL); // not in map yet
BOOL bRet = m_pMsgLoopMap->Add(::GetCurrentThreadId(), pMsgLoop);
lock.Unlock();
return bRet;
}
BOOL RemoveMessageLoop()
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::RemoveMessageLoop.\n"));
ATLASSERT(FALSE);
return FALSE;
}
BOOL bRet = m_pMsgLoopMap->Remove(::GetCurrentThreadId());
lock.Unlock();
return bRet;
}
CMessageLoop* GetMessageLoop(DWORD dwThreadID = ::GetCurrentThreadId()) const
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::GetMessageLoop.\n"));
ATLASSERT(FALSE);
return NULL;
}
CMessageLoop* pLoop = m_pMsgLoopMap->Lookup(dwThreadID);
lock.Unlock();
return pLoop;
}
// Setting change notify methods
// Note: Call this from the main thread for MSDI apps
BOOL InitSettingChangeNotify(DLGPROC pfnDlgProc = _SettingChangeDlgProc)
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::InitSettingChangeNotify.\n"));
ATLASSERT(FALSE);
return FALSE;
}
if(m_pSettingChangeNotify == NULL)
{
typedef ATL::CSimpleArray<HWND> _notifyClass;
ATLTRY(m_pSettingChangeNotify = new _notifyClass);
ATLASSERT(m_pSettingChangeNotify != NULL);
}
BOOL bRet = (m_pSettingChangeNotify != NULL);
if(bRet && m_pSettingChangeNotify->GetSize() == 0)
{
// init everything
_ATL_EMPTY_DLGTEMPLATE templ;
HWND hNtfWnd = ::CreateDialogIndirect(GetModuleInstance(), &templ, NULL, pfnDlgProc);
ATLASSERT(::IsWindow(hNtfWnd));
if(::IsWindow(hNtfWnd))
{
// need conditional code because types don't match in winuser.h
#ifdef _WIN64
::SetWindowLongPtr(hNtfWnd, GWLP_USERDATA, (LONG_PTR)this);
#else
::SetWindowLongPtr(hNtfWnd, GWLP_USERDATA, PtrToLong(this));
#endif
bRet = m_pSettingChangeNotify->Add(hNtfWnd);
}
else
{
bRet = FALSE;
}
}
lock.Unlock();
return bRet;
}
void TermSettingChangeNotify()
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::TermSettingChangeNotify.\n"));
ATLASSERT(FALSE);
return;
}
if(m_pSettingChangeNotify != NULL && m_pSettingChangeNotify->GetSize() > 0)
::DestroyWindow((*m_pSettingChangeNotify)[0]);
delete m_pSettingChangeNotify;
m_pSettingChangeNotify = NULL;
lock.Unlock();
}
BOOL AddSettingChangeNotify(HWND hWnd)
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::AddSettingChangeNotify.\n"));
ATLASSERT(FALSE);
return FALSE;
}
ATLASSERT(::IsWindow(hWnd));
BOOL bRet = FALSE;
if(InitSettingChangeNotify() != FALSE)
bRet = m_pSettingChangeNotify->Add(hWnd);
lock.Unlock();
return bRet;
}
BOOL RemoveSettingChangeNotify(HWND hWnd)
{
CStaticDataInitCriticalSectionLock lock;
if(FAILED(lock.Lock()))
{
ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CAppModule::RemoveSettingChangeNotify.\n"));
ATLASSERT(FALSE);
return FALSE;
}
BOOL bRet = FALSE;
if(m_pSettingChangeNotify != NULL)
bRet = m_pSettingChangeNotify->Remove(hWnd);
lock.Unlock();
return bRet;
}
// Implementation - setting change notify dialog template and dialog procedure
struct _ATL_EMPTY_DLGTEMPLATE : DLGTEMPLATE
{
_ATL_EMPTY_DLGTEMPLATE()
{
memset(this, 0, sizeof(_ATL_EMPTY_DLGTEMPLATE));
style = WS_POPUP;
}
WORD wMenu, wClass, wTitle;
};
#ifdef _WIN64
static INT_PTR CALLBACK _SettingChangeDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
#else
static BOOL CALLBACK _SettingChangeDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
#endif
{
if(uMsg == WM_SETTINGCHANGE)
{
// need conditional code because types don't match in winuser.h
#ifdef _WIN64
CAppModule* pModule = (CAppModule*)::GetWindowLongPtr(hWnd, GWLP_USERDATA);
#else
CAppModule* pModule = (CAppModule*)LongToPtr(::GetWindowLongPtr(hWnd, GWLP_USERDATA));
#endif
ATLASSERT(pModule != NULL);
ATLASSERT(pModule->m_pSettingChangeNotify != NULL);
const UINT uTimeout = 1500; // ms
for(int i = 1; i < pModule->m_pSettingChangeNotify->GetSize(); i++)
{
#if !defined(_WIN32_WCE)
::SendMessageTimeout((*pModule->m_pSettingChangeNotify)[i], uMsg, wParam, lParam, SMTO_ABORTIFHUNG, uTimeout, NULL);
#elif(_WIN32_WCE >= 400) // CE specific
::SendMessageTimeout((*pModule->m_pSettingChangeNotify)[i], uMsg, wParam, lParam, SMTO_NORMAL, uTimeout, NULL);
#else //_WIN32_WCE < 400 specific
uTimeout;
::SendMessage((*pModule->m_pSettingChangeNotify)[i], uMsg, wParam, lParam);
#endif
}
return TRUE;
}
return FALSE;
}
};
///////////////////////////////////////////////////////////////////////////////
// CServerAppModule - module class for a COM server application
class CServerAppModule : public CAppModule
{
public:
HANDLE m_hEventShutdown;
bool m_bActivity;
DWORD m_dwTimeOut;
DWORD m_dwPause;
// Override of CAppModule::Init
HRESULT Init(ATL::_ATL_OBJMAP_ENTRY* pObjMap, HINSTANCE hInstance, const GUID* pLibID = NULL)
{
m_dwTimeOut = 5000;
m_dwPause = 1000;
return CAppModule::Init(pObjMap, hInstance, pLibID);
}
void Term()
{
if(m_hEventShutdown != NULL && ::CloseHandle(m_hEventShutdown))
m_hEventShutdown = NULL;
CAppModule::Term();
}
// COM Server methods
LONG Unlock()
{
LONG lRet = CComModule::Unlock();
if(lRet == 0)
{
m_bActivity = true;
::SetEvent(m_hEventShutdown); // tell monitor that we transitioned to zero
}
return lRet;
}
void MonitorShutdown()
{
while(1)
{
::WaitForSingleObject(m_hEventShutdown, INFINITE);
DWORD dwWait = 0;
do
{
m_bActivity = false;
dwWait = ::WaitForSingleObject(m_hEventShutdown, m_dwTimeOut);
}
while(dwWait == WAIT_OBJECT_0);
// timed out
if(!m_bActivity && m_nLockCnt == 0) // if no activity let's really bail
{
#if ((_WIN32_WINNT >= 0x0400 ) || defined(_WIN32_DCOM)) && defined(_ATL_FREE_THREADED) & !defined(_WIN32_WCE)
::CoSuspendClassObjects();
if(!m_bActivity && m_nLockCnt == 0)
#endif
break;
}
}
// This handle should be valid now. If it isn't,
// check if _Module.Term was called first (it shouldn't)
if(::CloseHandle(m_hEventShutdown))
m_hEventShutdown = NULL;
::PostThreadMessage(m_dwMainThreadID, WM_QUIT, 0, 0);
}
bool StartMonitor()
{
m_hEventShutdown = ::CreateEvent(NULL, false, false, NULL);
if(m_hEventShutdown == NULL)
return false;
DWORD dwThreadID;
#if !defined(_ATL_MIN_CRT) && defined(_MT)
HANDLE hThread = (HANDLE)_beginthreadex(NULL, 0, (UINT (WINAPI*)(void*))MonitorProc, this, 0, (UINT*)&dwThreadID);
#else
HANDLE hThread = ::CreateThread(NULL, 0, MonitorProc, this, 0, &dwThreadID);
#endif
bool bRet = (hThread != NULL);
if(bRet)
::CloseHandle(hThread);
return bRet;
}
static DWORD WINAPI MonitorProc(void* pv)
{
CServerAppModule* p = (CServerAppModule*)pv;
p->MonitorShutdown();
return 0;
}
#if (_ATL_VER < 0x0700)
// search for an occurence of string p2 in string p1
static LPCTSTR FindOneOf(LPCTSTR p1, LPCTSTR p2)
{
while(p1 != NULL && *p1 != NULL)
{
LPCTSTR p = p2;
while(p != NULL && *p != NULL)
{
if(*p1 == *p)
return ::CharNext(p1);
p = ::CharNext(p);
}
p1 = ::CharNext(p1);
}
return NULL;
}
#endif //(_ATL_VER < 0x0700)
};
///////////////////////////////////////////////////////////////////////////////
// CString forward reference (enables CString use in atluser.h and atlgdi.h)
#if defined(_WTL_FORWARD_DECLARE_CSTRING) && !defined(_WTL_USE_CSTRING)
#define _WTL_USE_CSTRING
#endif //defined(_WTL_FORWARD_DECLARE_CSTRING) && !defined(_WTL_USE_CSTRING)
#ifdef _WTL_USE_CSTRING
class CString; // forward declaration (include atlmisc.h for the whole class)
#endif //_WTL_USE_CSTRING
#ifndef _CSTRING_NS
#ifdef __ATLSTR_H__
#define _CSTRING_NS ATL
#else
#define _CSTRING_NS WTL
#endif
#endif //_CSTRING_NS
}; //namespace WTL
///////////////////////////////////////////////////////////////////////////////
// General DLL version helpers (excluded from atlbase.h if _ATL_DLL is defined)
#if (_ATL_VER < 0x0700) && defined(_ATL_DLL) && !defined(_WIN32_WCE)
namespace ATL
{
inline HRESULT AtlGetDllVersion(HINSTANCE hInstDLL, DLLVERSIONINFO* pDllVersionInfo)
{
ATLASSERT(pDllVersionInfo != NULL);
if(pDllVersionInfo == NULL)
return E_INVALIDARG;
// We must get this function explicitly because some DLLs don't implement it.
DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)::GetProcAddress(hInstDLL, "DllGetVersion");
if(pfnDllGetVersion == NULL)
return E_NOTIMPL;
return (*pfnDllGetVersion)(pDllVersionInfo);
}
inline HRESULT AtlGetDllVersion(LPCTSTR lpstrDllName, DLLVERSIONINFO* pDllVersionInfo)
{
HINSTANCE hInstDLL = ::LoadLibrary(lpstrDllName);
if(hInstDLL == NULL)
return E_FAIL;
HRESULT hRet = AtlGetDllVersion(hInstDLL, pDllVersionInfo);
::FreeLibrary(hInstDLL);
return hRet;
}
// Common Control Versions:
// Win95/WinNT 4.0 maj=4 min=00
// IE 3.x maj=4 min=70
// IE 4.0 maj=4 min=71
inline HRESULT AtlGetCommCtrlVersion(LPDWORD pdwMajor, LPDWORD pdwMinor)
{
ATLASSERT(pdwMajor != NULL && pdwMinor != NULL);
if(pdwMajor == NULL || pdwMinor == NULL)
return E_INVALIDARG;
DLLVERSIONINFO dvi;
::ZeroMemory(&dvi, sizeof(dvi));
dvi.cbSize = sizeof(dvi);
HRESULT hRet = AtlGetDllVersion(_T("comctl32.dll"), &dvi);
if(SUCCEEDED(hRet))
{
*pdwMajor = dvi.dwMajorVersion;
*pdwMinor = dvi.dwMinorVersion;
}
else if(hRet == E_NOTIMPL)
{
// If DllGetVersion is not there, then the DLL is a version
// previous to the one shipped with IE 3.x
*pdwMajor = 4;
*pdwMinor = 0;
hRet = S_OK;
}
return hRet;
}
// Shell Versions:
// Win95/WinNT 4.0 maj=4 min=00
// IE 3.x, IE 4.0 without Web Integrated Desktop maj=4 min=00
// IE 4.0 with Web Integrated Desktop maj=4 min=71
// IE 4.01 with Web Integrated Desktop maj=4 min=72
inline HRESULT AtlGetShellVersion(LPDWORD pdwMajor, LPDWORD pdwMinor)
{
ATLASSERT(pdwMajor != NULL && pdwMinor != NULL);
if(pdwMajor == NULL || pdwMinor == NULL)
return E_INVALIDARG;
DLLVERSIONINFO dvi;
::ZeroMemory(&dvi, sizeof(dvi));
dvi.cbSize = sizeof(dvi);
HRESULT hRet = AtlGetDllVersion(_T("shell32.dll"), &dvi);
if(SUCCEEDED(hRet))
{
*pdwMajor = dvi.dwMajorVersion;
*pdwMinor = dvi.dwMinorVersion;
}
else if(hRet == E_NOTIMPL)
{
// If DllGetVersion is not there, then the DLL is a version
// previous to the one shipped with IE 4.x
*pdwMajor = 4;
*pdwMinor = 0;
hRet = S_OK;
}
return hRet;
}
}; //namespace ATL
#endif //(_ATL_VER < 0x0700) && defined(_ATL_DLL) && !defined(_WIN32_WCE)
// These are always included
#include <atlwinx.h>
#include <atluser.h>
#include <atlgdi.h>
#ifndef _WTL_NO_AUTOMATIC_NAMESPACE
using namespace WTL;
#endif //!_WTL_NO_AUTOMATIC_NAMESPACE
#endif // __ATLAPP_H__
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