DWORD WINAPI thread_installation(LPVOID param)
{
InstallEngine *This = param;
ICifComponent *comp;
HRESULT hr;
if (This->callback)
IInstallEngineCallback_OnStartInstall(This->callback, This->thread.download_size, This->thread.install_size);
for (;;)
{
hr = get_next_component(This->thread.enum_comp, This->thread.operation, &comp);
if (FAILED(hr)) break;
if (hr == S_FALSE)
{
hr = S_OK;
break;
}
hr = process_component(This, comp);
if (FAILED(hr)) break;
}
if (This->callback)
IInstallEngineCallback_OnStopInstall(This->callback, hr, NULL, 0);
IEnumCifComponents_Release(This->thread.enum_comp);
IInstallEngine2_Release(&This->IInstallEngine2_iface);
set_status(This, ENGINESTATUS_READY);
return 0;
}
static ULONG WINAPI downloadcb_Release(IBindStatusCallback *iface)
{
struct downloadcb *This = impl_from_IBindStatusCallback(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref = %d\n", This, ref);
if (!ref)
{
heap_free(This->file_name);
heap_free(This->cache_file);
IInstallEngine2_Release(&This->engine->IInstallEngine2_iface);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI InstallEngineCF_CreateInstance(IClassFactory *iface, IUnknown *outer,
REFIID riid, void **ppv)
{
InstallEngine *engine;
HRESULT hres;
TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
engine = heap_alloc(sizeof(*engine));
if(!engine)
return E_OUTOFMEMORY;
engine->IInstallEngine2_iface.lpVtbl = &InstallEngine2Vtbl;
engine->ref = 1;
hres = IInstallEngine2_QueryInterface(&engine->IInstallEngine2_iface, riid, ppv);
IInstallEngine2_Release(&engine->IInstallEngine2_iface);
return hres;
}
static HRESULT start_installation(InstallEngine *This, DWORD operation, DWORD jobflags)
{
HANDLE thread;
HRESULT hr;
This->thread.operation = operation;
This->thread.jobflags = jobflags;
This->thread.downloaded_kb = 0;
This->thread.download_start = 0;
/* Windows sends the OnStartInstall event from a different thread,
* but OnStartInstall already contains the required download and install size.
* The only way to signal an error from the thread is to send an OnStopComponent /
* OnStopInstall signal which can only occur after OnStartInstall. We need to
* precompute the sizes here to be able inform the application about errors while
* calculating the required sizes. */
hr = ICifFile_EnumComponents(This->icif, &This->thread.enum_comp, 0, NULL);
if (FAILED(hr)) return hr;
hr = calc_sizes(This->thread.enum_comp, operation, &This->thread.download_size, &This->thread.install_size);
if (FAILED(hr)) goto error;
IInstallEngine2_AddRef(&This->IInstallEngine2_iface);
thread = CreateThread(NULL, 0, thread_installation, This, 0, NULL);
if (!thread)
{
IInstallEngine2_Release(&This->IInstallEngine2_iface);
hr = E_FAIL;
goto error;
}
CloseHandle(thread);
return S_OK;
error:
IEnumCifComponents_Release(This->thread.enum_comp);
return hr;
}
static ULONG WINAPI InstallEngineTiming_Release(IInstallEngineTiming *iface)
{
InstallEngine *This = impl_from_IInstallEngineTiming(iface);
return IInstallEngine2_Release(&This->IInstallEngine2_iface);
}
