//
// Copyright (C) Microsoft Corporation. All rights reserved.
//

// dllmain.cpp : Defines the entry point for the DLL application.
#include "pch.h"

HINSTANCE   g_hInst;

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, _COM_Outptr_ void** ppv)
{
    try
    {
        *ppv = nullptr;

        if (rclsid == __uuidof(winrt::WindowsSample::implementation::SimpleMediaSourceActivate))
        {
            return winrt::make_self<SimpleMediaSourceActivateFactory>()->QueryInterface(riid, ppv);
        }

#ifdef _WRL_MODULE_H_
        return ::Microsoft::WRL::Module<::Microsoft::WRL::InProc>::GetModule().GetClassObject(rclsid, riid, ppv);
#else
        return winrt::hresult_class_not_available().to_abi();
#endif
    }
    catch (...)
    {
        return winrt::to_hresult();
    }
}

bool __stdcall winrt_can_unload_now() noexcept
{
    if (winrt::get_module_lock())
    {
        return false;
    }

    winrt::clear_factory_cache();
    return true;
}

int32_t __stdcall WINRT_CanUnloadNow() noexcept
{
#ifdef _WRL_MODULE_H_
    if (!::Microsoft::WRL::Module<::Microsoft::WRL::InProc>::GetModule().Terminate())
    {
        return 1;
    }
#endif

    return winrt_can_unload_now() ? 0 : 1;
}

STDAPI_(BOOL) DllMain(_In_opt_ HINSTANCE hinst, DWORD reason, _In_opt_ void*)
{
    switch (reason)
    {
    case DLL_PROCESS_ATTACH:
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
        break;
    case DLL_PROCESS_DETACH:
        g_hInst = hinst;
    }
    return TRUE;
}