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SyncIt21 committed Aug 7, 2023
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2 changes: 2 additions & 0 deletions .gitattributes
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51 changes: 51 additions & 0 deletions COMBasics.sln
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145 changes: 145 additions & 0 deletions COMBasics/COMBasics.vcxproj
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30 changes: 30 additions & 0 deletions COMBasics/COMBasics.vcxproj.filters
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4 changes: 4 additions & 0 deletions COMBasics/COMBasics.vcxproj.user
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135 changes: 135 additions & 0 deletions COMBasics/Containment.cpp
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#include "Containment.h"

using namespace Containment;

HRESULT Computer::Create(REFIID riid, void** ppv)
{
Computer* computer = new Computer();
if (computer == NULL)
return E_OUTOFMEMORY;

HRESULT hr = computer->QueryInterface(riid, ppv);
if (FAILED(hr))
delete computer;

return hr;
}

Computer::Computer():ref_count(0)
{}

Computer::~Computer(){std::cout << "END" << std::endl;}

HRESULT __stdcall Computer::QueryInterface(REFIID riid, void** ppvObject)
{
if (riid == IID_IUnknown)
*ppvObject = this;
else if (riid == IID_IMOUSE)
*ppvObject = (IMouse*)this;
else if (riid == IID_IKEYBOARD)
*ppvObject = (IKeyboard*)this;

if (NULL == *ppvObject)
return ResultFromScode(E_NOINTERFACE);
((IUnknown*)*ppvObject)->AddRef();

return S_OK;
}

HRESULT Computer::click(int button) { return mouse_implementation.click(button); }
HRESULT Computer::scroll(int amount) { return mouse_implementation.scroll(amount); }
HRESULT Computer::pressKey(int key) { return keyboard_implementation.pressKey(key); }
HRESULT Computer::releaseKey(int key) { return keyboard_implementation.releaseKey(key); }
ULONG __stdcall Computer::AddRef(void)
{
ref_count++;
return ref_count;
}
ULONG __stdcall Computer::Release(void)
{
ref_count--;
if (ref_count > 0)
return ref_count;

delete this;
return 0;
}

HRESULT __stdcall Computer::MouseImp::click(int button)
{
std::cout << "Click " << button << std::endl;

return S_OK;
}
HRESULT __stdcall Computer::MouseImp::scroll(int amount)
{
std::cout << "Scroll " << amount << std::endl;

return S_OK;
}
HRESULT __stdcall Computer::MouseImp::QueryInterface(REFIID riid, void** ppvObject)
{
return E_NOTIMPL;
}
ULONG __stdcall Computer::MouseImp::AddRef(void) { return 0; }
ULONG __stdcall Computer::MouseImp::Release(void) { return 0; }

HRESULT __stdcall Computer::KeyboardImp::pressKey(int key)
{
std::cout << "Key Pressed " << key << std::endl;

return S_OK;
}
HRESULT __stdcall Computer::KeyboardImp::releaseKey(int key)
{
std::cout << "Key Released " << key << std::endl;

return S_OK;
}
HRESULT __stdcall Computer::KeyboardImp::QueryInterface(REFIID riid, void** ppvObject)
{
return E_NOTIMPL;
}
ULONG __stdcall Computer::KeyboardImp::AddRef(void) { return 0; }
ULONG __stdcall Computer::KeyboardImp::Release(void) { return 0; }

HRESULT __stdcall ComputerFactory::QueryInterface(REFIID riid, void** ppvObject)
{
if ((riid == IID_IClassFactory) || (riid == IID_IUnknown))
{
*ppvObject = this;
AddRef();
return S_OK;
}

return E_NOINTERFACE;
}
ULONG __stdcall ComputerFactory::AddRef(void)
{
ref_count++;
return ref_count;
}
ULONG __stdcall ComputerFactory::Release(void)
{
ref_count--;
if (ref_count > 0) {
return ref_count;
}

delete this;
return 0;
}

HRESULT __stdcall ComputerFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
{
if (pUnkOuter != NULL) {
return CLASS_E_NOAGGREGATION;
}

return Computer::Create(riid, ppvObject);
}

HRESULT __stdcall ComputerFactory::LockServer(BOOL fLock)
{
return S_OK;
}
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