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Factory.h (1398B)

      1 // Copyright (c) Microsoft Corporation.
      2 // Licensed under the MIT License.
      3 #pragma once
      4 #include <hstring.h>
      5 #include <inspectable.h>
      6 #include <winrt/Windows.Foundation.h>
      7 #include <atomic>
      8 
      9 namespace Microsoft::Management::Deployment::OutOfProc
     10 {
     11     struct Factory : winrt::implements<Factory, IClassFactory, winrt::Windows::Foundation::IActivationFactory>
     12     {
     13         Factory(const GUID& clsid);
     14         Factory(HSTRING clsid);
     15         ~Factory();
     16 
     17         // Returns true if the reference count is not 0; false if it is.
     18         static bool HasReferences();
     19 
     20         // Forcibly destroys any static objects.
     21         static void Terminate();
     22 
     23         // Determines if the given CLSID is the CLSID for the factory.
     24         static bool IsCLSID(const GUID& clsid);
     25 
     26         // Determines if the given CLSID is the CLSID for the factory.
     27         static bool IsCLSID(HSTRING clsid);
     28 
     29         // IActivationFactory
     30         winrt::Windows::Foundation::IInspectable ActivateInstance();
     31 
     32         // IClassFactory
     33         HRESULT STDMETHODCALLTYPE CreateInstance(::IUnknown *pUnkOuter, REFIID riid, void **ppvObject);
     34         HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock);
     35 
     36     private:
     37         static void IncrementRefCount();
     38         static void DecrementRefCount();
     39 
     40         static std::atomic<int32_t> s_referenceCount;
     41 
     42         GUID m_clsid;
     43     };
     44 }