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Factory.h (1326B)

      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::Configuration::OutOfProc
     10 {
     11     struct Factory : winrt::implements<Factory, winrt::Windows::Foundation::IActivationFactory, IClassFactory>
     12     {
     13         Factory();
     14         ~Factory();
     15 
     16         // Returns true if the reference count is not 0; false if it is.
     17         static bool HasReferences();
     18 
     19         // Forcibly destroys any static objects.
     20         static void Terminate();
     21 
     22         // Determines if the given CLSID is the CLSID for the factory.
     23         static bool IsCLSID(const GUID& clsid);
     24 
     25         // Determines if the given CLSID is the CLSID for the factory.
     26         static bool IsCLSID(HSTRING clsid);
     27 
     28         // IActivationFactory
     29         winrt::Windows::Foundation::IInspectable ActivateInstance();
     30 
     31         // IClassFactory
     32         HRESULT STDMETHODCALLTYPE CreateInstance(::IUnknown *pUnkOuter, REFIID riid, void **ppvObject);
     33         HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock);
     34 
     35     private:
     36         static void IncrementRefCount();
     37         static void DecrementRefCount();
     38 
     39         static std::atomic<int32_t> s_referenceCount;
     40     };
     41 }