HRESULT WINAPI WindowFromAccessibleObject(IAccessible *acc, HWND *phwnd)
{
IDispatch *parent;
IOleWindow *ow;
HRESULT hres;
TRACE("%p %p\n", acc, phwnd);
IAccessible_AddRef(acc);
while(1) {
hres = IAccessible_QueryInterface(acc, &IID_IOleWindow, (void**)&ow);
if(SUCCEEDED(hres)) {
hres = IOleWindow_GetWindow(ow, phwnd);
IOleWindow_Release(ow);
IAccessible_Release(acc);
return hres;
}
hres = IAccessible_get_accParent(acc, &parent);
IAccessible_Release(acc);
if(FAILED(hres))
return hres;
if(hres!=S_OK || !parent) {
*phwnd = NULL;
return hres;
}
hres = IDispatch_QueryInterface(parent, &IID_IAccessible, (void**)&acc);
IDispatch_Release(parent);
if(FAILED(hres))
return hres;
}
}
static HRESULT WINAPI Client_QueryInterface(IAccessible *iface, REFIID riid, void **ppv)
{
Client *This = impl_from_Client(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if(IsEqualIID(riid, &IID_IAccessible) ||
IsEqualIID(riid, &IID_IDispatch) ||
IsEqualIID(riid, &IID_IUnknown)) {
*ppv = iface;
IAccessible_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
static HRESULT WINAPI Client_QueryInterface(IAccessible *iface, REFIID riid, void **ppv)
{
Client *This = impl_from_Client(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if(IsEqualIID(riid, &IID_IAccessible) ||
IsEqualIID(riid, &IID_IDispatch) ||
IsEqualIID(riid, &IID_IUnknown)) {
*ppv = iface;
}else if(IsEqualIID(riid, &IID_IOleWindow)) {
*ppv = &This->IOleWindow_iface;
}else if(IsEqualIID(riid, &IID_IEnumVARIANT)) {
*ppv = &This->IEnumVARIANT_iface;
}else {
WARN("no interface: %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
IAccessible_AddRef(iface);
return S_OK;
}
static ULONG WINAPI Client_EnumVARIANT_AddRef(IEnumVARIANT *iface)
{
Client *This = impl_from_Client_EnumVARIANT(iface);
return IAccessible_AddRef(&This->IAccessible_iface);
}
static ULONG WINAPI Client_OleWindow_AddRef(IOleWindow *iface)
{
Client *This = impl_from_Client_OleWindow(iface);
return IAccessible_AddRef(&This->IAccessible_iface);
}
