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// ShellExt.cpp : Implementation of CShellExt
#include <atlconv.h> // for ATL string conversion macros
#include "stdafx.h"
#include "Bcshellext.h"
#include "ShellExt.h"
/////////////////////////////////////////////////////////////////////////////
// CShellExt
HRESULT CShellExt::Initialize (
LPCITEMIDLIST pidlFolder,
LPDATAOBJECT pDataObj,
HKEY hProgID )
{
FORMATETC fmt = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
STGMEDIUM stg = { TYMED_HGLOBAL };
HDROP hDrop;
char szFile[MAX_PATH];
int count;
// Look for CF_HDROP data in the data object.
if ( FAILED( pDataObj->GetData ( &fmt, &stg )))
{
// Nope! Return an "invalid argument" error back to Explorer.
return E_INVALIDARG;
}
// Get a pointer to the actual data.
hDrop = (HDROP) GlobalLock ( stg.hGlobal );
// Make sure it worked.
if ( NULL == hDrop )
{
return E_INVALIDARG;
}
// Sanity check make sure there is at least one filename.
UINT uNumFiles = DragQueryFile ( hDrop, 0xFFFFFFFF, NULL, 0 );
if ( 0 == uNumFiles )
{
GlobalUnlock ( stg.hGlobal );
ReleaseStgMedium ( &stg );
return E_INVALIDARG;
}
HRESULT hr = S_OK;
oFileList.clear();
count = DragQueryFile ( hDrop, -1, NULL, NULL);
for(int i = 0; i < count; i++)
{
// Get the name of the first file and store it in our member variable m_szFile.
if ( 0 == DragQueryFile ( hDrop, i, szFile, MAX_PATH ))
{
hr = E_INVALIDARG;
break;
}
oFileList.push_back(string(szFile));
}
GlobalUnlock ( stg.hGlobal );
ReleaseStgMedium ( &stg );
return hr;
}
HRESULT CShellExt::QueryContextMenu (
HMENU hmenu,
UINT uMenuIndex,
UINT uidFirstCmd,
UINT uidLastCmd,
UINT uFlags )
{
// If the flags include CMF_DEFAULTONLY then we shouldn't do anything.
if ( uFlags & CMF_DEFAULTONLY )
{
return MAKE_HRESULT ( SEVERITY_SUCCESS, FACILITY_NULL, 0 );
}
InsertMenu ( hmenu, uMenuIndex, MF_BYPOSITION, uidFirstCmd, _T("Bitcollide") );
return MAKE_HRESULT ( SEVERITY_SUCCESS, FACILITY_NULL, 1 );
}
HRESULT CShellExt::GetCommandString (
UINT idCmd,
UINT uFlags,
UINT* pwReserved,
LPSTR pszName,
UINT cchMax )
{
USES_CONVERSION;
// Check idCmd, it must be 0 since we have only one menu item.
if ( 0 != idCmd )
return E_INVALIDARG;
// If Explorer is asking for a help string, copy our string into the
// supplied buffer.
if ( uFlags & GCS_HELPTEXT )
{
LPCTSTR szText = _T("Submit/lookup this file in the Bitzi catalog.");
if ( uFlags & GCS_UNICODE )
{
// We need to cast pszName to a Unicode string, and then use the
// Unicode string copy API.
lstrcpynW ( (LPWSTR) pszName, T2CW(szText), cchMax );
}
else
{
// Use the ANSI string copy API to return the help string.
lstrcpynA ( pszName, T2CA(szText), cchMax );
}
return S_OK;
}
return E_INVALIDARG;
}
HRESULT CShellExt::InvokeCommand ( LPCMINVOKECOMMANDINFO pCmdInfo )
{
// If lpVerb really points to a string, ignore this function call and bail out.
if ( 0 != HIWORD( pCmdInfo->lpVerb ))
return E_INVALIDARG;
// Get the command index - the only valid one is 0.
switch ( LOWORD( pCmdInfo->lpVerb ))
{
case 0:
{
AnalyzeFiles();
return S_OK;
}
break;
default:
return E_INVALIDARG;
break;
}
}
void CShellExt::AnalyzeFiles(void)
{
vector<string>::iterator i;
string argList;
HKEY hKey;
DWORD type;
char exe[MAX_PATH], path[MAX_PATH], *ptr;
int ret;
DWORD size = MAX_PATH;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Bitzi", 0,
KEY_READ, &hKey) != ERROR_SUCCESS)
{
MessageBox(NULL, "Cannot find bitcollider executable", "Error", MB_OK);
return;
}
ret = RegQueryValueEx(hKey, "PluginDir", NULL, &type, (unsigned char*)path, &size);
if (ret != ERROR_SUCCESS)
{
MessageBox(NULL, "Cannot find bitcollider executable", "Error", MB_OK);
return;
}
RegCloseKey(hKey);
ptr = strrchr(path, '\\');
if (ptr == NULL)
{
MessageBox(NULL, "Cannot find bitcollider executable", "Error", MB_OK);
return;
}
*ptr = 0;
sprintf(exe, "%s\\bc-gui.exe", path);
for(i = oFileList.begin(); i != oFileList.end(); i++)
{
argList += string("\"") + (*i) + string("\" ");
}
ret = (int)ShellExecute(NULL, "open", exe, argList.c_str(), path, SW_SHOW);
if (ret == SE_ERR_ACCESSDENIED)
{
MessageBox(NULL, "You selected too many files. Please try again.", "Error launching Bitcollider", MB_OK);
return;
}
if (ret <= 32)
{
sprintf(exe, "Cannot launch the bitcollider executable. (%d)", ret);
MessageBox(NULL, exe, "Error", MB_OK);
return;
}
}
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