Source code of Windows XP (NT5)
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646 lines
16 KiB

#include "shellprv.h"
#include "mixctnt.h"
#include "clsobj.h"
#include "apprmdlg.h"
#include "hwcmmn.h"
#include "ids.h"
#include "shpriv.h"
#include "mtptl.h"
#include "filetbl.h"
class CDeviceEventHandler : public IHWEventHandler
{
public:
CDeviceEventHandler();
// IUnknown
STDMETHODIMP QueryInterface(REFIID, void **);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IHWEventHandler
STDMETHODIMP Initialize(LPCWSTR pszParams);
STDMETHODIMP HandleEvent(LPCWSTR pszDeviceID, LPCWSTR pszAltDeviceID, LPCWSTR pszEventType);
STDMETHODIMP HandleEventWithContent(LPCWSTR pszDeviceID,
LPCWSTR pszAltDeviceID, LPCWSTR pszEventType,
LPCWSTR pszContentTypeHandler, IDataObject* pdtobj);
private:
~CDeviceEventHandler();
LONG _cRef;
LPWSTR _pszParams;
};
CDeviceEventHandler::CDeviceEventHandler() : _cRef(1)
{
DllAddRef();
}
CDeviceEventHandler::~CDeviceEventHandler()
{
CoTaskMemFree(_pszParams)
DllRelease();
}
STDAPI CDeviceEventHandler_CreateInstance(IUnknown* pUnkOuter, REFIID riid, void **ppv)
{
HRESULT hr = E_OUTOFMEMORY;
*ppv = NULL;
// aggregation checking is handled in class factory
CDeviceEventHandler* pHWMixedContent = new CDeviceEventHandler();
if (pHWMixedContent)
{
hr = pHWMixedContent->QueryInterface(riid, ppv);
pHWMixedContent->Release();
}
return hr;
}
// IUnknown
STDMETHODIMP CDeviceEventHandler::QueryInterface(REFIID riid, void **ppv)
{
static const QITAB qit[] =
{
QITABENT(CDeviceEventHandler, IHWEventHandler),
{ 0 },
};
return QISearch(this, qit, riid, ppv);
}
STDMETHODIMP_(ULONG) CDeviceEventHandler::AddRef()
{
return InterlockedIncrement(&_cRef);
}
STDMETHODIMP_(ULONG) CDeviceEventHandler::Release()
{
if (InterlockedDecrement(&_cRef))
return _cRef;
delete this;
return 0;
}
// IHWEventHandler
STDMETHODIMP CDeviceEventHandler::Initialize(LPCWSTR pszParams)
{
return SHStrDup(pszParams, &_pszParams);
}
DWORD WINAPI _PromptThreadProc(void* pv)
{
CBaseContentDlg* pdlg = (CBaseContentDlg*)pv;
if (IDOK == pdlg->DoModal(pdlg->_hinst, MAKEINTRESOURCE(pdlg->_iResource), pdlg->_hwndParent))
{
// Try to Autoplay this type handler
IHWDevice* phwd;
if (SUCCEEDED(_GetHWDevice(pdlg->_pszDeviceID, &phwd)))
{
phwd->AutoplayHandler(TEXT("DeviceArrival"), pdlg->_szHandler);
phwd->Release();
}
}
_RemoveFromAutoplayPromptHDPA(pdlg->_pszDeviceID);
pdlg->Release();
return 0;
}
HRESULT _Prompt(LPCWSTR pszDeviceID, LPCWSTR pszEventType, BOOL fCheckAlwaysDoThis)
{
HRESULT hr;
BOOL fShowDlg = _AddAutoplayPrompt(pszDeviceID);
if (fShowDlg)
{
BOOL fDialogShown = FALSE;
CBaseContentDlg* pdlg = new CNoContentDlg();
if (pdlg)
{
pdlg->_szContentTypeHandler[0] = 0;
pdlg->_hinst = g_hinst;
pdlg->_iResource = DLG_APNOCONTENT;
pdlg->_hwndParent = NULL;
hr = pdlg->Init(pszDeviceID, NULL, 0, fCheckAlwaysDoThis);
if (SUCCEEDED(hr))
{
if (SHCreateThread(_PromptThreadProc, pdlg, CTF_COINIT, NULL))
{
fDialogShown = TRUE;
}
else
{
pdlg->Release();
}
}
else
{
pdlg->Release();
}
}
else
{
hr = E_OUTOFMEMORY;
}
if (!fDialogShown)
{
_RemoveFromAutoplayPromptHDPA(pszDeviceID);
}
}
else
{
hr = S_FALSE;
}
return hr;
}
STDMETHODIMP CDeviceEventHandler::HandleEvent(LPCWSTR pszDeviceID, LPCWSTR pszAltDeviceID, LPCWSTR pszEventType)
{
HRESULT hr = E_NOTIMPL;
if (!lstrcmp(_pszParams, TEXT("PromptEachTimeNoContent")))
{
hr = _Prompt(pszDeviceID, pszEventType, FALSE);
}
else
{
// The '*' means to check the AlwaysDoThis checkbox!
if (!lstrcmp(_pszParams, TEXT("PromptEachTimeNoContent*")))
{
hr = _Prompt(pszDeviceID, pszEventType, TRUE);
}
}
return hr;
}
STDMETHODIMP CDeviceEventHandler::HandleEventWithContent(LPCWSTR pszDeviceID,
LPCWSTR pszAltDeviceID, LPCWSTR pszEventType,
LPCWSTR pszContentTypeHandler, IDataObject* pdtobj)
{
return E_FAIL;
}
class CDeviceAutoPlayNotification : IQueryContinue
{
public:
CDeviceAutoPlayNotification();
void CreateNotificationThread();
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IQueryContinue
STDMETHODIMP QueryContinue(); // S_OK -> Continue, other
HRESULT Init(LPCTSTR pszDevice, LPCWSTR pszEventType, CCrossThreadFlag* pDeviceGoneFlag);
private:
~CDeviceAutoPlayNotification();
void _DoNotificationUI();
static DWORD CALLBACK s_ThreadProc(void *pv);
LONG _cRef;
LPTSTR _pszDevice;
LPTSTR _pszEventType;
CCrossThreadFlag* _pDeviceGoneFlag;
BOOL _fPoppedUpDlg;
};
CDeviceAutoPlayNotification::CDeviceAutoPlayNotification() : _cRef(1)
{}
HRESULT CDeviceAutoPlayNotification::Init(LPCTSTR pszDevice, LPCWSTR pszEventType,
CCrossThreadFlag* pDeviceGoneFlag)
{
HRESULT hr = S_OK;
_pszDevice = StrDup(pszDevice);
_pszEventType = StrDup(pszEventType);
pDeviceGoneFlag->AddRef();
_pDeviceGoneFlag = pDeviceGoneFlag;
if (!_pszDevice || !_pszEventType)
{
hr = E_OUTOFMEMORY;
}
return hr;
}
CDeviceAutoPlayNotification::~CDeviceAutoPlayNotification()
{
LocalFree(_pszDevice);
LocalFree(_pszEventType);
if (_pDeviceGoneFlag)
{
_pDeviceGoneFlag->Release();
}
}
HRESULT CDeviceAutoPlayNotification::QueryInterface(REFIID riid, void **ppv)
{
static const QITAB qit[] =
{
QITABENT(CDeviceAutoPlayNotification, IQueryContinue),
{ 0 },
};
return QISearch(this, qit, riid, ppv);
}
STDMETHODIMP_(ULONG) CDeviceAutoPlayNotification::AddRef()
{
return InterlockedIncrement(&_cRef);
}
STDMETHODIMP_(ULONG) CDeviceAutoPlayNotification::Release()
{
if (InterlockedDecrement(&_cRef))
return _cRef;
delete this;
return 0;
}
HRESULT CDeviceAutoPlayNotification::QueryContinue()
{
HRESULT hr;
if (_fPoppedUpDlg || _pDeviceGoneFlag->IsSignaled())
{
hr = S_FALSE;
}
else
{
hr = S_OK;
}
return hr;
}
void CDeviceAutoPlayNotification::_DoNotificationUI()
{
DWORD dwTimeOut = 30;
#ifdef DEBUG
dwTimeOut = 60;
#endif
IUserNotification *pun;
HRESULT hr = CoCreateInstance(CLSID_UserNotification, NULL, CLSCTX_ALL, IID_PPV_ARG(IUserNotification, &pun));
if (SUCCEEDED(hr))
{
IHWDeviceCustomProperties* pdcp;
if (SUCCEEDED(GetDeviceProperties(_pszDevice, &pdcp)))
{
HICON hicon = NULL;
WORD_BLOB* pblob;
if (SUCCEEDED(pdcp->GetMultiStringProperty(TEXT("Icons"), TRUE, &pblob)))
{
TCHAR szLocation[MAX_PATH + 10];
lstrcpyn(szLocation, pblob->asData, ARRAYSIZE(szLocation));
int iIcon = PathParseIconLocation(szLocation);
ExtractIconEx(szLocation, iIcon, NULL, &hicon, 1);
CoTaskMemFree(pblob);
}
LPWSTR psz;
if (SUCCEEDED(pdcp->GetStringProperty(TEXT("Label"), &psz)))
{
TCHAR szName[128];
SHLoadIndirectString(psz, szName, ARRAYSIZE(szName), NULL);
pun->SetIconInfo(hicon, szName);
CoTaskMemFree(psz);
}
pdcp->Release();
if (hicon)
DestroyIcon(hicon);
}
pun->SetBalloonRetry(dwTimeOut * 1000, 0, 0); // show for 30 sec, then go away
hr = pun->Show(SAFECAST(this, IQueryContinue *), 1 * 1000); // 1 sec poll for callback
pun->Release();
if (S_OK == hr)
{
_Prompt(_pszDevice, _pszEventType, FALSE);
_fPoppedUpDlg = TRUE;
}
}
}
DWORD CALLBACK CDeviceAutoPlayNotification::s_ThreadProc(void *pv)
{
CDeviceAutoPlayNotification *pldsui = (CDeviceAutoPlayNotification *)pv;
pldsui->_DoNotificationUI();
pldsui->Release();
return 0;
}
void CDeviceAutoPlayNotification::CreateNotificationThread()
{
AddRef();
if (!SHCreateThread(s_ThreadProc, this, CTF_COINIT, NULL))
{
Release();
}
}
HRESULT DoDeviceNotification(LPCTSTR pszDevice, LPCTSTR pszEventType, CCrossThreadFlag* pDeviceGoneFlag)
{
HRESULT hr;
CDeviceAutoPlayNotification *pldsui = new CDeviceAutoPlayNotification();
if (pldsui)
{
hr = pldsui->Init(pszDevice, pszEventType, pDeviceGoneFlag);
if (SUCCEEDED(hr))
{
pldsui->CreateNotificationThread();
}
pldsui->Release();
}
else
{
hr = E_OUTOFMEMORY;
}
return hr;
}
template <typename TCALLBACKFCT, typename TCALLBACKARG, typename TCALLBACKRET>
BOOL _FindAutoplayStructAndExecuteCB(LPCWSTR pszDriveOrDeviceID, TCALLBACKFCT fct, TCALLBACKARG arg, TCALLBACKRET* pRet)
{
BOOL fRet = FALSE;
EnterCriticalSection(&g_csAutoplayPrompt);
if (g_hdpaAutoplayPrompt)
{
int n = DPA_GetPtrCount(g_hdpaAutoplayPrompt);
for (int i = 0; i < n; ++i)
{
AUTOPLAYPROMPT* pap = (AUTOPLAYPROMPT*)DPA_GetPtr(g_hdpaAutoplayPrompt, i);
if (!lstrcmpi(pap->szDriveOrDeviceID, pszDriveOrDeviceID))
{
fRet = TRUE;
*pRet = fct(pap, arg);
break;
}
}
}
LeaveCriticalSection(&g_csAutoplayPrompt);
return fRet;
}
BOOL _AddAutoplayPromptEntry(LPCWSTR pszDriveOrDeviceID, BOOL fDlgWillBeShown)
{
BOOL fFoundEntry = FALSE;
BOOL fWasRunning = FALSE;
EnterCriticalSection(&g_csAutoplayPrompt);
if (g_hdpaAutoplayPrompt)
{
int n = DPA_GetPtrCount(g_hdpaAutoplayPrompt);
for (int i = 0; i < n; ++i)
{
AUTOPLAYPROMPT* pap = (AUTOPLAYPROMPT*)DPA_GetPtr(g_hdpaAutoplayPrompt, i);
if (!lstrcmpi(pap->szDriveOrDeviceID, pszDriveOrDeviceID))
{
fWasRunning = pap->fDlgWillBeShown;
fFoundEntry = TRUE;
if (!pap->fDlgWillBeShown)
{
pap->fDlgWillBeShown = fDlgWillBeShown;
}
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: Found entry for %s - (dlg = %d -> %d)",
pszDriveOrDeviceID, fWasRunning, pap->fDlgWillBeShown);
break;
}
}
}
if (!fFoundEntry)
{
if (!g_hdpaAutoplayPrompt)
{
g_hdpaAutoplayPrompt = DPA_Create(3);
}
if (g_hdpaAutoplayPrompt)
{
AUTOPLAYPROMPT* pap;
if (SUCCEEDED(SHLocalAlloc(sizeof(AUTOPLAYPROMPT), &pap)))
{
lstrcpyn(pap->szDriveOrDeviceID, pszDriveOrDeviceID, ARRAYSIZE(pap->szDriveOrDeviceID));
pap->fDlgWillBeShown = fDlgWillBeShown;
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: Adding entry for %s - (dlg = %d)",
pszDriveOrDeviceID, fDlgWillBeShown);
if (-1 == DPA_AppendPtr(g_hdpaAutoplayPrompt, (void*)pap))
{
LocalFree((HLOCAL)pap);
}
else
{
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: Total # of entry: %d",
DPA_GetPtrCount(g_hdpaAutoplayPrompt));
}
}
}
}
LeaveCriticalSection(&g_csAutoplayPrompt);
return !fWasRunning;
}
BOOL _AddAutoplayPrompt(LPCWSTR pszDriveOrDeviceID)
{
return _AddAutoplayPromptEntry(pszDriveOrDeviceID, TRUE);
}
void _RemoveFromAutoplayPromptHDPA(LPCWSTR pszAltDeviceID)
{
EnterCriticalSection(&g_csAutoplayPrompt);
if (g_hdpaAutoplayPrompt)
{
int n = DPA_GetPtrCount(g_hdpaAutoplayPrompt);
for (int i = 0; i < n; ++i)
{
AUTOPLAYPROMPT* pap = (AUTOPLAYPROMPT*)DPA_GetPtr(g_hdpaAutoplayPrompt, i);
if (!lstrcmpi(pap->szDriveOrDeviceID, pszAltDeviceID))
{
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: Removing %s",
pap->szDriveOrDeviceID);
if (pap->pDeviceGoneFlag)
{
pap->pDeviceGoneFlag->Release();
}
LocalFree((HLOCAL)pap);
DPA_DeletePtr(g_hdpaAutoplayPrompt, i);
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: Total # of entry: %d",
DPA_GetPtrCount(g_hdpaAutoplayPrompt));
break;
}
}
}
LeaveCriticalSection(&g_csAutoplayPrompt);
}
// Set/Get HWND
typedef BOOL (*PFNSETAAUTOPLAYPROMPTHWNDCB)(AUTOPLAYPROMPT* pap, HWND hwnd);
BOOL _SetAutoplayPromptHWNDCB(AUTOPLAYPROMPT* pap, HWND hwnd)
{
pap->hwndDlg = hwnd;
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: SetHWND for %s - (dlg = %d)",
pap->szDriveOrDeviceID, pap->fDlgWillBeShown);
return TRUE;
}
void _SetAutoplayPromptHWND(LPCWSTR pszAltDeviceID, HWND hwnd)
{
BOOL fRet;
_FindAutoplayStructAndExecuteCB<PFNSETAAUTOPLAYPROMPTHWNDCB, HWND, BOOL>
(pszAltDeviceID, _SetAutoplayPromptHWNDCB, hwnd, &fRet);
}
typedef BOOL (*PFNGETAAUTOPLAYPROMPTHWNDCB)(AUTOPLAYPROMPT* pap, HWND* phwnd);
BOOL _GetAutoplayPromptHWNDCB(AUTOPLAYPROMPT* pap, HWND* phwnd)
{
*phwnd = pap->hwndDlg;
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: GetHWND for %s - (dlg = %d)",
pap->szDriveOrDeviceID, pap->fDlgWillBeShown);
return TRUE;
}
BOOL _GetAutoplayPromptHWND(LPCWSTR pszAltDeviceID, HWND* phwnd)
{
BOOL fRet;
return _FindAutoplayStructAndExecuteCB<PFNGETAAUTOPLAYPROMPTHWNDCB, HWND*, BOOL>
(pszAltDeviceID, _GetAutoplayPromptHWNDCB, phwnd, &fRet);
}
// Set/Get DeviceGoneFlag
typedef BOOL (*PFNSETDEVICEGONEFLAGCB)(AUTOPLAYPROMPT* pap, CCrossThreadFlag* pDeviceGoneFlag);
BOOL _SetDeviceGoneFlagCB(AUTOPLAYPROMPT* pap, CCrossThreadFlag* pDeviceGoneFlag)
{
pap->pDeviceGoneFlag = pDeviceGoneFlag;
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: SetDeviceGoneFlag for %s - (dlg = %d)",
pap->szDriveOrDeviceID, pap->fDlgWillBeShown);
return TRUE;
}
void AttachGoneFlagForDevice(LPCWSTR pszAltDeviceID, CCrossThreadFlag* pDeviceGoneFlag)
{
BOOL fRet;
if (!_FindAutoplayStructAndExecuteCB<PFNSETDEVICEGONEFLAGCB, CCrossThreadFlag*, BOOL>
(pszAltDeviceID, _SetDeviceGoneFlagCB, pDeviceGoneFlag, &fRet))
{
_AddAutoplayPromptEntry(pszAltDeviceID, FALSE);
if (_FindAutoplayStructAndExecuteCB<PFNSETDEVICEGONEFLAGCB, CCrossThreadFlag*, BOOL>
(pszAltDeviceID, _SetDeviceGoneFlagCB, pDeviceGoneFlag, &fRet))
{
if (fRet)
{
pDeviceGoneFlag->AddRef();
}
}
}
}
typedef BOOL (*PFNGETDEVICEGONEFLAGCB)(AUTOPLAYPROMPT* pap, CCrossThreadFlag** ppDeviceGoneFlag);
BOOL _GetDeviceGoneFlagCB(AUTOPLAYPROMPT* pap, CCrossThreadFlag** ppDeviceGoneFlag)
{
*ppDeviceGoneFlag = pap->pDeviceGoneFlag;
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: GetDeviceGoneFlag for %s - (dlg = %d)",
pap->szDriveOrDeviceID, pap->fDlgWillBeShown);
return !!(*ppDeviceGoneFlag);
}
BOOL GetGoneFlagForDevice(LPCWSTR pszAltDeviceID, CCrossThreadFlag** ppDeviceGoneFlag)
{
BOOL fRet;
if (_FindAutoplayStructAndExecuteCB<PFNGETDEVICEGONEFLAGCB, CCrossThreadFlag**, BOOL>
(pszAltDeviceID, _GetDeviceGoneFlagCB, ppDeviceGoneFlag, &fRet))
{
(*ppDeviceGoneFlag)->AddRef();
}
else
{
TraceMsg(TF_MOUNTPOINT, "AUTOPLAY: GetDeviceGoneFlag for %s -> Did not find!",
pszAltDeviceID);
fRet = FALSE;
}
return fRet;
}