reactos/dll/shellext/fontext/fontext.cpp
2020-01-29 22:55:50 +01:00

121 lines
3 KiB
C++

/*
* PROJECT: ReactOS Font Shell Extension
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: Shell extension entry point
* COPYRIGHT: Copyright 2019,2020 Mark Jansen (mark.jansen@reactos.org)
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(fontext);
const GUID CLSID_CFontExt = { 0xbd84b380, 0x8ca2, 0x1069, { 0xab, 0x1d, 0x08, 0x00, 0x09, 0x48, 0xf5, 0x34 } };
class CFontExtModule : public CComModule
{
public:
void Init(_ATL_OBJMAP_ENTRY *p, HINSTANCE h, const GUID *plibid)
{
g_FontCache = new CFontCache();
CComModule::Init(p, h, plibid);
}
void Term()
{
delete g_FontCache;
g_FontCache = NULL;
CComModule::Term();
}
};
BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_CFontExt, CFontExt)
END_OBJECT_MAP()
LONG g_ModuleRefCnt;
CFontExtModule gModule;
STDAPI DllCanUnloadNow()
{
if (g_ModuleRefCnt)
return S_FALSE;
return gModule.DllCanUnloadNow();
}
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
return gModule.DllGetClassObject(rclsid, riid, ppv);
}
STDAPI DllRegisterServer()
{
WCHAR Path[MAX_PATH] = { 0 };
static const char DesktopIniContents[] = "[.ShellClassInfo]\r\nCLSID={BD84B380-8CA2-1069-AB1D-08000948F534}\r\n";
HANDLE hFile;
HRESULT hr;
hr = gModule.DllRegisterServer(FALSE);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = SHGetFolderPathW(NULL, CSIDL_FONTS, NULL, 0, Path);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
// Make this a system folder:
// Ideally this should not be done here, but when installing
// Otherwise, livecd won't have this set properly
DWORD dwAttributes = GetFileAttributesW(Path);
if (dwAttributes != INVALID_FILE_ATTRIBUTES)
{
dwAttributes |= FILE_ATTRIBUTE_SYSTEM;
SetFileAttributesW(Path, dwAttributes);
}
else
{
ERR("Unable to get attributes for fonts folder (%d)\n", GetLastError());
}
if (!PathAppendW(Path, L"desktop.ini"))
return E_FAIL;
hFile = CreateFileW(Path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return HRESULT_FROM_WIN32(GetLastError());
DWORD BytesWritten, BytesToWrite = strlen(DesktopIniContents);
if (WriteFile(hFile, DesktopIniContents, (DWORD)BytesToWrite, &BytesWritten, NULL))
hr = (BytesToWrite == BytesWritten) ? S_OK : E_FAIL;
else
hr = HRESULT_FROM_WIN32(GetLastError());
CloseHandle(hFile);
return hr;
}
STDAPI DllUnregisterServer()
{
return gModule.DllUnregisterServer(FALSE);
}
EXTERN_C
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstance);
gModule.Init(ObjectMap, hInstance, NULL);
break;
case DLL_PROCESS_DETACH:
gModule.Term();
break;
}
return TRUE;
}