146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
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#include "priv.h"
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#include "sccls.h"
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extern const IClassFactoryVtbl c_CFVtbl; // forward
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//
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// This array holds information needed for ClassFactory.
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//
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// PERF: this table should be ordered in most-to-least used order
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//
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const OBJECTINFO g_ObjectInfo[] =
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{
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&c_CFVtbl, &CLSID_ShellAppManager, CShellAppManager_CreateInstance,
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COCREATEONLY,
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#ifndef DOWNLEVEL_PLATFORM
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&c_CFVtbl, &CLSID_DarwinAppPublisher, CDarwinAppPublisher_CreateInstance,
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COCREATEONLY,
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#endif //DOWNLEVEL_PLATFORM
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&c_CFVtbl, &CLSID_EnumInstalledApps, CEnumInstalledApps_CreateInstance,
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COCREATEONLY,
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NULL, NULL, NULL, NULL, NULL, 0, 0,0,
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} ;
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// static class factory (no allocs!)
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STDMETHODIMP CClassFactory_QueryInterface(IClassFactory *pcf, REFIID riid, void **ppvObj)
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{
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if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown))
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{
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*ppvObj = (void *)pcf;
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DllAddRef();
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return NOERROR;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CClassFactory_AddRef(IClassFactory *pcf)
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{
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DllAddRef();
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return 2;
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}
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STDMETHODIMP_(ULONG) CClassFactory_Release(IClassFactory *pcf)
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{
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DllRelease();
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return 1;
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}
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STDMETHODIMP CClassFactory_CreateInstance(IClassFactory *pcf, IUnknown *punkOuter, REFIID riid, void **ppv)
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{
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*ppv = NULL;
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if (punkOuter && !IsEqualIID(riid, &IID_IUnknown))
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{
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// It is technically illegal to aggregate an object and request
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// any interface other than IUnknown. Enforce this.
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//
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return CLASS_E_NOAGGREGATION;
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}
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else
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{
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OBJECTINFO *this = IToClass(OBJECTINFO, cf, pcf);
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IUnknown *punk;
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HRESULT hres;
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if (punkOuter) {
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if (!(this->dwClassFactFlags & OIF_ALLOWAGGREGATION))
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return CLASS_E_NOAGGREGATION;
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}
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// if we're aggregated, then we know we're looking for an
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// IUnknown so we should return punk directly. otherwise
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// we need to QI.
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//
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hres = this->pfnCreateInstance(punkOuter, &punk, this);
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if (SUCCEEDED(hres))
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{
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if (punkOuter)
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{
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*ppv = (LPVOID)punk;
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}
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else
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{
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hres = punk->lpVtbl->QueryInterface(punk, riid, ppv);
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punk->lpVtbl->Release(punk);
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}
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}
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ASSERT(FAILED(hres) ? *ppv == NULL : TRUE);
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return hres;
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}
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}
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STDMETHODIMP CClassFactory_LockServer(IClassFactory *pcf, BOOL fLock)
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{
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extern LONG g_cRefThisDll;
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if (fLock)
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DllAddRef();
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else
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DllRelease();
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TraceMsg(DM_TRACE, "sccls: LockServer(%s) to %d", fLock ? TEXT("LOCK") : TEXT("UNLOCK"), g_cRefThisDll);
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return S_OK;
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}
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const IClassFactoryVtbl c_CFVtbl = {
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CClassFactory_QueryInterface, CClassFactory_AddRef, CClassFactory_Release,
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CClassFactory_CreateInstance,
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CClassFactory_LockServer
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};
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STDAPI GetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
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{
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HRESULT hres = CLASS_E_CLASSNOTAVAILABLE;
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extern IClassFactory *CInstClassFactory_Create(const CLSID *pInstID);
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if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown))
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{
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const OBJECTINFO *pcls;
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for (pcls = g_ObjectInfo; pcls->pclsid; pcls++)
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{
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if (IsEqualGUID(rclsid, pcls->pclsid))
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{
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*ppv = (void *)&(pcls->cf);
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DllAddRef(); // class factory holds DLL ref count
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return NOERROR;
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}
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}
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}
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*ppv = NULL;
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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