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174 lines (130 loc) · 5.42 KB
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// ShellEx.cpp : Implementation of DLL Exports.
#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "Generated/GitExtensionsShellEx.h"
#include "Generated/GitExtensionsShellEx_i.c"
#include "GitExtensionsShellEx.h"
CComModule _Module;
BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_GitExtensionsShellEx, CGitExtensionsShellEx)
END_OBJECT_MAP()
/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point
extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
_Module.Init(ObjectMap, hInstance, &LIBID_GITEXTENSIONSSHELLEXLib);
DisableThreadLibraryCalls(hInstance);
}
else if (dwReason == DLL_PROCESS_DETACH)
_Module.Term();
return TRUE; // ok
}
/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE
STDAPI DllCanUnloadNow()
{
return (_Module.GetLockCount() == 0) ? S_OK : S_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
return _Module.GetClassObject(rclsid, riid, ppv);
}
/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry
STDAPI DllRegisterServer()
{
// If we're on NT, add ourselves to the list of approved shell extensions.
// Note that you should *NEVER* use the overload of CRegKey::SetValue with
// 4 parameters. It lets you set a value in one call, without having to
// call CRegKey::Open() first. However, that version of SetValue() has a
// bug in that it requests KEY_ALL_ACCESS to the key. That will fail if the
// user is not an administrator. (The code should request KEY_WRITE, which
// is all that's necessary.)
CRegKey reg;
LONG lRet;
if (0 == (GetVersion() & 0x80000000UL))
{
lRet = reg.Open(HKEY_LOCAL_MACHINE,
_T("Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved"),
KEY_SET_VALUE);
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
lRet = reg.SetStringValue(_T("{3C16B20A-BA16-4156-916F-0A375ECFFE24}"),
_T("GitExtensions2"));
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
}
{
///////////////////////
/// File context menu handler
///////////////////////
reg.Create(HKEY_CLASSES_ROOT,
_T("*\\shellex\\ContextMenuHandlers\\GitExtensions2"));
lRet = reg.Open(HKEY_CLASSES_ROOT,
_T("*\\shellex\\ContextMenuHandlers\\GitExtensions2"),
KEY_SET_VALUE);
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
lRet = reg.SetStringValue(NULL, _T("{3C16B20A-BA16-4156-916F-0A375ECFFE24}"));
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
///////////////////////
/// Directory context menu handler
///////////////////////
reg.Create(HKEY_CLASSES_ROOT,
_T("Directory\\shellex\\ContextMenuHandlers\\GitExtensions2"));
lRet = reg.Open ( HKEY_CLASSES_ROOT,
_T("Directory\\shellex\\ContextMenuHandlers\\GitExtensions2"),
KEY_SET_VALUE);
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
lRet = reg.SetStringValue(NULL, _T("{3C16B20A-BA16-4156-916F-0A375ECFFE24}"));
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
///////////////////////
/// Background context menu handler
///////////////////////
reg.Create(HKEY_CLASSES_ROOT,
_T("Directory\\Background\\shellex\\ContextMenuHandlers\\GitExtensions2"));
lRet = reg.Open ( HKEY_CLASSES_ROOT,
_T("Directory\\Background\\shellex\\ContextMenuHandlers\\GitExtensions2"),
KEY_SET_VALUE);
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
lRet = reg.SetStringValue(NULL, _T("{3C16B20A-BA16-4156-916F-0A375ECFFE24}"));
if (ERROR_SUCCESS != lRet)
return E_ACCESSDENIED;
}
// registers object, typelib and all interfaces in typelib
return _Module.RegisterServer(FALSE);
}
/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry
STDAPI DllUnregisterServer()
{
// If we're on NT, remove ourselves from the list of approved shell extensions.
// Note that if we get an error along the way, I don't bail out since I want
// to do the normal ATL unregistration stuff too.
CRegKey reg;
LONG lRet;
if (0 == (GetVersion() & 0x80000000UL))
{
lRet = reg.Open(HKEY_LOCAL_MACHINE,
_T("Software\\Microsoft\\Windows\\CurrentVersion\\Shell Extensions\\Approved"),
KEY_SET_VALUE);
if (ERROR_SUCCESS == lRet)
{
lRet = reg.DeleteValue(_T("{3C16B20A-BA16-4156-916F-0A375ECFFE24}"));
}
}
reg.DeleteSubKey(_T("*\\shellex\\ContextMenuHandlers\\GitExtensions2"));
reg.DeleteSubKey(_T("Directory\\shellex\\ContextMenuHandlers\\GitExtensions2"));
reg.DeleteSubKey(_T("Directory\\Background\\shellex\\ContextMenuHandlers\\GitExtensions2"));
return _Module.UnregisterServer(FALSE);
}