reactos/base/shell/explorer/rshell.cpp

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/*
* ReactOS Explorer
*
* Copyright 2014 Giannis Adamopoulos
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "precomp.h"
static HINSTANCE ghRShell = NULL;
typedef HRESULT(WINAPI * PSTARTMENU_CREATEINSTANCE)(REFIID riid, void **ppv);
VOID InitRSHELL(VOID)
{
ghRShell = LoadLibraryW(L"rshell.dll");
}
HRESULT WINAPI _CStartMenu_CreateInstance(REFIID riid, void **ppv)
{
if (ghRShell)
{
PSTARTMENU_CREATEINSTANCE func = (PSTARTMENU_CREATEINSTANCE)GetProcAddress(ghRShell, "CStartMenu_CreateInstance");
if (func)
{
return func(riid, ppv);
}
}
return CoCreateInstance(CLSID_StartMenu,
NULL,
CLSCTX_INPROC_SERVER,
riid,
ppv);
}
typedef HANDLE(WINAPI * PSHCREATEDESKTOP)(IShellDesktopTray *ShellDesk);
HANDLE WINAPI _SHCreateDesktop(IShellDesktopTray *ShellDesk)
{
HINSTANCE hFallback;
if (ghRShell)
{
PSHCREATEDESKTOP func = (PSHCREATEDESKTOP)GetProcAddress(ghRShell, "SHCreateDesktop");
if (func)
{
return func(ShellDesk);
}
}
hFallback = GetModuleHandleW(L"shell32.dll");
if (hFallback)
{
PSHCREATEDESKTOP func = (PSHCREATEDESKTOP) GetProcAddress(hFallback, (LPCSTR) 200);
if (func)
{
return func(ShellDesk);
}
}
return 0;
}
typedef BOOL(WINAPI *PSHDESKTOPMESSAGELOOP)(HANDLE hDesktop);
BOOL WINAPI _SHDesktopMessageLoop(HANDLE hDesktop)
{
HINSTANCE hFallback;
if (ghRShell)
{
PSHDESKTOPMESSAGELOOP func = (PSHDESKTOPMESSAGELOOP)GetProcAddress(ghRShell, "SHDesktopMessageLoop");
if (func)
{
return func(hDesktop);
}
}
hFallback = GetModuleHandleW(L"shell32.dll");
if (hFallback)
{
PSHDESKTOPMESSAGELOOP func = (PSHDESKTOPMESSAGELOOP) GetProcAddress(hFallback, (LPCSTR) 201);
if (func)
{
return func(hDesktop);
}
}
return FALSE;
}
typedef DWORD(WINAPI* PWINLIST_INIT)(void);
DWORD WINAPI _WinList_Init(void)
{
HINSTANCE hFallback;
if (ghRShell)
{
PWINLIST_INIT func = (PWINLIST_INIT)GetProcAddress(ghRShell, "WinList_Init");
if (func)
{
return func();
}
}
hFallback = LoadLibraryW(L"shdocvw.dll");
if (hFallback)
{
PWINLIST_INIT func = (PWINLIST_INIT) GetProcAddress(hFallback, (LPCSTR) 110);
if (func)
{
return func();
}
}
return 0;
}
typedef void (WINAPI *PSHELLDDEINIT)(BOOL bInit);
void WINAPI _ShellDDEInit(BOOL bInit)
{
HINSTANCE hFallback;
if (ghRShell)
{
PSHELLDDEINIT func = (PSHELLDDEINIT)GetProcAddress(ghRShell, "ShellDDEInit");
if (func)
{
func(bInit);
return;
}
}
hFallback = GetModuleHandleW(L"shell32.dll");
if (hFallback)
{
PSHELLDDEINIT func = (PSHELLDDEINIT) GetProcAddress(hFallback, (LPCSTR) 188);
if (func)
{
func(bInit);
return;
}
}
}
typedef HRESULT (WINAPI *CBANDSITEMENU_CREATEINSTANCE)(REFIID riid, void **ppv);
HRESULT WINAPI _CBandSiteMenu_CreateInstance(REFIID riid, void **ppv)
{
if (ghRShell)
{
CBANDSITEMENU_CREATEINSTANCE func = (CBANDSITEMENU_CREATEINSTANCE)GetProcAddress(ghRShell, "CBandSiteMenu_CreateInstance");
if (func)
{
return func(riid, ppv);
}
}
return CoCreateInstance(CLSID_BandSiteMenu,
NULL,
CLSCTX_INPROC_SERVER,
riid,
ppv);
}
typedef HRESULT (WINAPI *CBANDSITE_CREATEINSTANCE)(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv);
HRESULT WINAPI _CBandSite_CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, void **ppv)
{
if (ghRShell)
{
CBANDSITE_CREATEINSTANCE func = (CBANDSITE_CREATEINSTANCE)GetProcAddress(ghRShell, "CBandSite_CreateInstance");
if (func)
{
return func(pUnkOuter, riid, ppv);
}
}
return CoCreateInstance(CLSID_RebarBandSite,
pUnkOuter,
CLSCTX_INPROC_SERVER,
riid,
ppv);
}