winedbg: Don't dereference possibly NULL thread pointer.
[wine/zf.git] / dlls / sti / sti.c
blob0bb60382979d93673ae03616d3e1cc661da4d4ae
1 /*
2 * Copyright (C) 2002 Aric Stewart for CodeWeavers
3 * Copyright (C) 2009 Damjan Jovanovic
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include <stdarg.h>
22 #define COBJMACROS
24 #include "windef.h"
25 #include "winbase.h"
26 #include "winreg.h"
27 #include "winerror.h"
28 #include "objbase.h"
29 #include "sti.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(sti);
35 static const WCHAR registeredAppsLaunchPath[] =
36 L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\StillImage\\Registered Applications";
38 typedef struct _stillimage
40 IUnknown IUnknown_inner;
41 IStillImageW IStillImageW_iface;
42 IUnknown *outer_unk;
43 LONG ref;
44 } stillimage;
46 static inline stillimage *impl_from_IStillImageW(IStillImageW *iface)
48 return CONTAINING_RECORD(iface, stillimage, IStillImageW_iface);
51 static HRESULT WINAPI stillimagew_QueryInterface(IStillImageW *iface, REFIID riid, void **ppvObject)
53 stillimage *This = impl_from_IStillImageW(iface);
54 TRACE("(%p %s %p)\n", This, debugstr_guid(riid), ppvObject);
55 return IUnknown_QueryInterface(This->outer_unk, riid, ppvObject);
58 static ULONG WINAPI stillimagew_AddRef(IStillImageW *iface)
60 stillimage *This = impl_from_IStillImageW(iface);
61 return IUnknown_AddRef(This->outer_unk);
64 static ULONG WINAPI stillimagew_Release(IStillImageW *iface)
66 stillimage *This = impl_from_IStillImageW(iface);
67 return IUnknown_Release(This->outer_unk);
70 static HRESULT WINAPI stillimagew_Initialize(IStillImageW *iface, HINSTANCE hinst, DWORD dwVersion)
72 stillimage *This = impl_from_IStillImageW(iface);
73 TRACE("(%p, %p, 0x%X)\n", This, hinst, dwVersion);
74 return S_OK;
77 static HRESULT WINAPI stillimagew_GetDeviceList(IStillImageW *iface, DWORD dwType, DWORD dwFlags,
78 DWORD *pdwItemsReturned, LPVOID *ppBuffer)
80 stillimage *This = impl_from_IStillImageW(iface);
81 FIXME("(%p, %u, 0x%X, %p, %p): stub\n", This, dwType, dwFlags, pdwItemsReturned, ppBuffer);
82 return E_NOTIMPL;
85 static HRESULT WINAPI stillimagew_GetDeviceInfo(IStillImageW *iface, LPWSTR pwszDeviceName,
86 LPVOID *ppBuffer)
88 stillimage *This = impl_from_IStillImageW(iface);
89 FIXME("(%p, %s, %p): stub\n", This, debugstr_w(pwszDeviceName), ppBuffer);
90 return E_NOTIMPL;
93 static HRESULT WINAPI stillimagew_CreateDevice(IStillImageW *iface, LPWSTR pwszDeviceName, DWORD dwMode,
94 PSTIDEVICEW *pDevice, LPUNKNOWN pUnkOuter)
96 stillimage *This = impl_from_IStillImageW(iface);
97 FIXME("(%p, %s, %u, %p, %p): stub\n", This, debugstr_w(pwszDeviceName), dwMode, pDevice, pUnkOuter);
98 return E_NOTIMPL;
101 static HRESULT WINAPI stillimagew_GetDeviceValue(IStillImageW *iface, LPWSTR pwszDeviceName, LPWSTR pValueName,
102 LPDWORD pType, LPBYTE pData, LPDWORD cbData)
104 stillimage *This = impl_from_IStillImageW(iface);
105 FIXME("(%p, %s, %s, %p, %p, %p): stub\n", This, debugstr_w(pwszDeviceName), debugstr_w(pValueName),
106 pType, pData, cbData);
107 return E_NOTIMPL;
110 static HRESULT WINAPI stillimagew_SetDeviceValue(IStillImageW *iface, LPWSTR pwszDeviceName, LPWSTR pValueName,
111 DWORD type, LPBYTE pData, DWORD cbData)
113 stillimage *This = impl_from_IStillImageW(iface);
114 FIXME("(%p, %s, %s, %u, %p, %u): stub\n", This, debugstr_w(pwszDeviceName), debugstr_w(pValueName),
115 type, pData, cbData);
116 return E_NOTIMPL;
119 static HRESULT WINAPI stillimagew_GetSTILaunchInformation(IStillImageW *iface, LPWSTR pwszDeviceName,
120 DWORD *pdwEventCode, LPWSTR pwszEventName)
122 stillimage *This = impl_from_IStillImageW(iface);
123 FIXME("(%p, %p, %p, %p): stub\n", This, pwszDeviceName,
124 pdwEventCode, pwszEventName);
125 return E_NOTIMPL;
128 static HRESULT WINAPI stillimagew_RegisterLaunchApplication(IStillImageW *iface, LPWSTR pwszAppName,
129 LPWSTR pwszCommandLine)
131 static const WCHAR commandLineSuffix[] = L"/StiDevice:%1 /StiEvent:%2";
132 HKEY registeredAppsKey = NULL;
133 DWORD ret;
134 HRESULT hr = S_OK;
135 stillimage *This = impl_from_IStillImageW(iface);
137 TRACE("(%p, %s, %s)\n", This, debugstr_w(pwszAppName), debugstr_w(pwszCommandLine));
139 ret = RegCreateKeyW(HKEY_LOCAL_MACHINE, registeredAppsLaunchPath, &registeredAppsKey);
140 if (ret == ERROR_SUCCESS)
142 size_t len = lstrlenW(pwszCommandLine) + 1 + lstrlenW(commandLineSuffix) + 1;
143 WCHAR *value = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
144 if (value)
146 swprintf(value, len, L"%s %s", pwszCommandLine, commandLineSuffix);
147 ret = RegSetValueExW(registeredAppsKey, pwszAppName, 0,
148 REG_SZ, (BYTE*)value, (lstrlenW(value)+1)*sizeof(WCHAR));
149 if (ret != ERROR_SUCCESS)
150 hr = HRESULT_FROM_WIN32(ret);
151 HeapFree(GetProcessHeap(), 0, value);
153 else
154 hr = E_OUTOFMEMORY;
155 RegCloseKey(registeredAppsKey);
157 else
158 hr = HRESULT_FROM_WIN32(ret);
159 return hr;
162 static HRESULT WINAPI stillimagew_UnregisterLaunchApplication(IStillImageW *iface, LPWSTR pwszAppName)
164 stillimage *This = impl_from_IStillImageW(iface);
165 HKEY registeredAppsKey = NULL;
166 DWORD ret;
167 HRESULT hr = S_OK;
169 TRACE("(%p, %s)\n", This, debugstr_w(pwszAppName));
171 ret = RegCreateKeyW(HKEY_LOCAL_MACHINE, registeredAppsLaunchPath, &registeredAppsKey);
172 if (ret == ERROR_SUCCESS)
174 ret = RegDeleteValueW(registeredAppsKey, pwszAppName);
175 if (ret != ERROR_SUCCESS)
176 hr = HRESULT_FROM_WIN32(ret);
177 RegCloseKey(registeredAppsKey);
179 else
180 hr = HRESULT_FROM_WIN32(ret);
181 return hr;
184 static HRESULT WINAPI stillimagew_EnableHwNotifications(IStillImageW *iface, LPCWSTR pwszDeviceName,
185 BOOL bNewState)
187 stillimage *This = impl_from_IStillImageW(iface);
188 FIXME("(%p, %s, %u): stub\n", This, debugstr_w(pwszDeviceName), bNewState);
189 return E_NOTIMPL;
192 static HRESULT WINAPI stillimagew_GetHwNotificationState(IStillImageW *iface, LPCWSTR pwszDeviceName,
193 BOOL *pbCurrentState)
195 stillimage *This = impl_from_IStillImageW(iface);
196 FIXME("(%p, %s, %p): stub\n", This, debugstr_w(pwszDeviceName), pbCurrentState);
197 return E_NOTIMPL;
200 static HRESULT WINAPI stillimagew_RefreshDeviceBus(IStillImageW *iface, LPCWSTR pwszDeviceName)
202 stillimage *This = impl_from_IStillImageW(iface);
203 FIXME("(%p, %s): stub\n", This, debugstr_w(pwszDeviceName));
204 return E_NOTIMPL;
207 static HRESULT WINAPI stillimagew_LaunchApplicationForDevice(IStillImageW *iface, LPWSTR pwszDeviceName,
208 LPWSTR pwszAppName, LPSTINOTIFY pStiNotify)
210 stillimage *This = impl_from_IStillImageW(iface);
211 FIXME("(%p, %s, %s, %p): stub\n", This, debugstr_w(pwszDeviceName), debugstr_w(pwszAppName),
212 pStiNotify);
213 return E_NOTIMPL;
216 static HRESULT WINAPI stillimagew_SetupDeviceParameters(IStillImageW *iface, PSTI_DEVICE_INFORMATIONW pDevInfo)
218 stillimage *This = impl_from_IStillImageW(iface);
219 FIXME("(%p, %p): stub\n", This, pDevInfo);
220 return E_NOTIMPL;
223 static HRESULT WINAPI stillimagew_WriteToErrorLog(IStillImageW *iface, DWORD dwMessageType, LPCWSTR pszMessage)
225 stillimage *This = impl_from_IStillImageW(iface);
226 FIXME("(%p, %u, %s): stub\n", This, dwMessageType, debugstr_w(pszMessage));
227 return E_NOTIMPL;
230 static const struct IStillImageWVtbl stillimagew_vtbl =
232 stillimagew_QueryInterface,
233 stillimagew_AddRef,
234 stillimagew_Release,
235 stillimagew_Initialize,
236 stillimagew_GetDeviceList,
237 stillimagew_GetDeviceInfo,
238 stillimagew_CreateDevice,
239 stillimagew_GetDeviceValue,
240 stillimagew_SetDeviceValue,
241 stillimagew_GetSTILaunchInformation,
242 stillimagew_RegisterLaunchApplication,
243 stillimagew_UnregisterLaunchApplication,
244 stillimagew_EnableHwNotifications,
245 stillimagew_GetHwNotificationState,
246 stillimagew_RefreshDeviceBus,
247 stillimagew_LaunchApplicationForDevice,
248 stillimagew_SetupDeviceParameters,
249 stillimagew_WriteToErrorLog
252 static inline stillimage *impl_from_IUnknown(IUnknown *iface)
254 return CONTAINING_RECORD(iface, stillimage, IUnknown_inner);
257 static HRESULT WINAPI Internal_QueryInterface(IUnknown *iface, REFIID riid, void **ppvObject)
259 stillimage *This = impl_from_IUnknown(iface);
261 TRACE("(%p %s %p)\n", This, debugstr_guid(riid), ppvObject);
263 if (IsEqualGUID(riid, &IID_IUnknown))
264 *ppvObject = iface;
265 else if (IsEqualGUID(riid, &IID_IStillImageW))
266 *ppvObject = &This->IStillImageW_iface;
267 else
269 if (IsEqualGUID(riid, &IID_IStillImageA))
270 FIXME("interface IStillImageA is unsupported on Windows Vista too, please report if it's needed\n");
271 else
272 FIXME("interface %s not implemented\n", debugstr_guid(riid));
273 *ppvObject = NULL;
274 return E_NOINTERFACE;
277 IUnknown_AddRef((IUnknown*) *ppvObject);
278 return S_OK;
281 static ULONG WINAPI Internal_AddRef(IUnknown *iface)
283 stillimage *This = impl_from_IUnknown(iface);
284 return InterlockedIncrement(&This->ref);
287 static ULONG WINAPI Internal_Release(IUnknown *iface)
289 ULONG ref;
290 stillimage *This = impl_from_IUnknown(iface);
292 ref = InterlockedDecrement(&This->ref);
293 if (ref == 0)
294 HeapFree(GetProcessHeap(), 0, This);
295 return ref;
298 static const struct IUnknownVtbl internal_unk_vtbl =
300 Internal_QueryInterface,
301 Internal_AddRef,
302 Internal_Release
305 /******************************************************************************
306 * StiCreateInstanceA (STI.@)
308 HRESULT WINAPI StiCreateInstanceA(HINSTANCE hinst, DWORD dwVer, PSTIA *ppSti, LPUNKNOWN pUnkOuter)
310 FIXME("(%p, %u, %p, %p): stub, unimplemented on Windows Vista too, please report if it's needed\n", hinst, dwVer, ppSti, pUnkOuter);
311 return STG_E_UNIMPLEMENTEDFUNCTION;
314 /******************************************************************************
315 * StiCreateInstanceW (STI.@)
317 HRESULT WINAPI StiCreateInstanceW(HINSTANCE hinst, DWORD dwVer, PSTIW *ppSti, LPUNKNOWN pUnkOuter)
319 stillimage *This;
320 HRESULT hr;
322 TRACE("(%p, %u, %p, %p)\n", hinst, dwVer, ppSti, pUnkOuter);
324 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(stillimage));
325 if (This)
327 This->IStillImageW_iface.lpVtbl = &stillimagew_vtbl;
328 This->IUnknown_inner.lpVtbl = &internal_unk_vtbl;
329 if (pUnkOuter)
330 This->outer_unk = pUnkOuter;
331 else
332 This->outer_unk = &This->IUnknown_inner;
333 This->ref = 1;
335 hr = IStillImage_Initialize(&This->IStillImageW_iface, hinst, dwVer);
336 if (SUCCEEDED(hr))
338 if (pUnkOuter)
339 *ppSti = (IStillImageW*) &This->IUnknown_inner;
340 else
341 *ppSti = &This->IStillImageW_iface;
344 else
345 hr = E_OUTOFMEMORY;
347 return hr;