2025-04-27 07:49:33 -04:00

1106 lines
29 KiB
C

//---------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation 1993-1994
//
// File: init.c
//
// This file contains the library entry points
//
// Usage and assumptions used in this DLL.
//
// 1) Message crackers are used. See windowsx.h and windowsx.txt.
//
// 2) Many functions are considered "member functions" of a
// particular class. Because this is not C++, the function
// names follow a special naming convention: "Class_Name".
// In addition, it is common practice that the first
// argument for these type of functions is a "this" pointer
// to the particular object.
//
// History:
// 08-06-93 ScottH Transferred from twin code
//
//---------------------------------------------------------------------------
///////////////////////////////////////////////////// INCLUDES
#include "brfprv.h" // common headers
#include <oleguid.h>
#include <coguid.h>
#include <shlguid.h>
#include <initguid.h>
#define INITGUID // Initialize GUIDs
#include "syncmgr.h"
#include <shguidp.h> // Contains CLSID_Briefcase
#include <brfcasep.h>
DEFINE_GUID(IID_IBriefcaseStg2, 0x8BCE1FA1L, 0x1921, 0x101B, 0xB1, 0xFF, 0x00, 0xDD, 0x01, 0x0C, 0xCC, 0x48);
DEFINE_GUID(CLSID_SyncMgr,0x6295df27, 0x35ee, 0x11d1, 0x87, 0x7, 0x0, 0xc0, 0x4f, 0xd9, 0x33, 0x27);
DEFINE_GUID(IID_ISyncMgrSynchronizeInvoke,0x6295df2c, 0x35ee, 0x11d1, 0x87, 0x7, 0x0, 0xc0, 0x4f, 0xd9, 0x33, 0x27);
DEFINE_GUID(CLSID_BriefCase,0x85BBD920,0x42A0,0x1069,0xA2,0xE4,0x08,0x00,0x2B,0x30,0x30,0x9D);
DEFINE_GUID(CLSID_OneStopHandler,0x97484ba2, 0x26c7, 0x11d1, 0x9a, 0x39, 0x0, 0x20, 0xaf, 0xda, 0x97, 0xb0);
#include "res.h"
#include "recact.h"
#ifdef DEBUG
#include <debugstr.h>
#endif
//---------------------------------------------------------------------------
// Per instance data
//---------------------------------------------------------------------------
#pragma data_seg(DATASEG_PERINSTANCE)
HINSTANCE g_hinst = 0;
TWINRESULT g_tr = TR_SUCCESS;
IShellFolder * g_psfDesktop = NULL;
// Debugging variables
UINT g_uBreakFlags = 0; // Controls when to int 3
UINT g_uTraceFlags = 0; // Controls what trace messages are spewed
UINT g_uDumpFlags = 0; // Controls what structs get dumped
// The delay mutex and the cs that protects the cRef is per-instance
HANDLE g_hMutexDelay = NULL;
static UINT g_cRefMutex = 0;
static CRITICAL_SECTION s_csDelay = { 0 };
#pragma data_seg()
//---------------------------------------------------------------------------
// Global data
//---------------------------------------------------------------------------
int g_cProcesses = 0;
CRITICAL_SECTION g_csSyncUI = { 0 };
DEBUG_CODE( UINT g_cRefSyncUI = 0; )
UINT g_cfBriefObj = 0;
// Use the helper macros in brfprv.h
UINT g_cBusyRef = 0; // Semaphore
UINT g_cBriefRef = 0; // Semaphore
// Metrics
int g_cxIconSpacing = 0;
int g_cyIconSpacing = 0;
int g_cxBorder = 0;
int g_cyBorder = 0;
int g_cxIcon = 0;
int g_cyIcon = 0;
int g_cxIconMargin = 0;
int g_cyIconMargin = 0;
int g_cxLabelMargin = 0;
int g_cyLabelSpace = 0;
int g_cxMargin = 0;
// System colors
COLORREF g_clrHighlightText = 0;
COLORREF g_clrHighlight = 0;
COLORREF g_clrWindowText = 0;
COLORREF g_clrWindow = 0;
HBRUSH g_hbrHighlight = 0;
HBRUSH g_hbrWindow = 0;
// Strings
TCHAR g_szDBName[MAXPATHLEN];
TCHAR g_szDBNameShort[MAXPATHLEN];
/*----------------------------------------------------------
Purpose: Returns an IShellFolder interface to the shell's desktop.
The interface is cached in g_psfDesktop for speed.
The shell is guaranteed to have a desktop IShellFolder.
Returns: psfDesktop
Cond: --
*/
LPSHELLFOLDER PUBLIC GetDesktopShellFolder(void)
{
ENTEREXCLUSIVE()
{
if (NULL == g_psfDesktop)
{
IShellFolder * psfDesktop;
LEAVEEXCLUSIVE();
SHCoCreateInstance(NULL, &CLSID_ShellDesktop, NULL, &IID_IShellFolder, &psfDesktop);
ENTEREXCLUSIVE();
g_psfDesktop = psfDesktop;
}
}
LEAVEEXCLUSIVE()
return g_psfDesktop;
}
/*----------------------------------------------------------
Purpose: Releases the cached desktop IShellFolder interface.
Returns: --
Cond: --
*/
void PRIVATE ReleaseDesktopShellFolder(void)
{
ENTEREXCLUSIVE()
{
if (NULL != g_psfDesktop)
{
g_psfDesktop->lpVtbl->Release(g_psfDesktop);
g_psfDesktop = NULL;
}
}
LEAVEEXCLUSIVE()
}
/*----------------------------------------------------------
Purpose: Get the system metrics we need
Returns: --
Cond: --
*/
void PRIVATE GetMetrics(
WPARAM wParam) // wParam from WM_WININICHANGE
{
if ((wParam == 0) || (wParam == SPI_SETNONCLIENTMETRICS))
{
g_cxIconSpacing = GetSystemMetrics( SM_CXICONSPACING );
g_cyIconSpacing = GetSystemMetrics( SM_CYICONSPACING );
g_cxBorder = GetSystemMetrics(SM_CXBORDER);
g_cyBorder = GetSystemMetrics(SM_CYBORDER);
g_cxIcon = GetSystemMetrics(SM_CXICON);
g_cyIcon = GetSystemMetrics(SM_CYICON);
g_cxIconMargin = g_cxBorder * 8;
g_cyIconMargin = g_cyBorder * 2;
g_cyLabelSpace = g_cyIconMargin + (g_cyBorder * 2);
g_cxLabelMargin = (g_cxBorder * 2);
g_cxMargin = g_cxBorder * 5;
}
}
/*----------------------------------------------------------
Purpose: Initializes colors
Returns: --
Cond: --
*/
void PRIVATE InitGlobalColors()
{
g_clrWindowText = GetSysColor(COLOR_WINDOWTEXT);
g_clrWindow = GetSysColor(COLOR_WINDOW);
g_clrHighlightText = GetSysColor(COLOR_HIGHLIGHTTEXT);
g_clrHighlight = GetSysColor(COLOR_HIGHLIGHT);
g_hbrWindow = GetSysColorBrush(COLOR_WINDOW);
g_hbrHighlight = GetSysColorBrush(COLOR_HIGHLIGHT);
}
/*----------------------------------------------------------
Purpose: Initialize global strings
Returns: --
Cond: --
*/
void PRIVATE InitGlobalStrings()
{
SzFromIDS(IDS_BC_DATABASE, g_szDBName, ARRAYSIZE(g_szDBName));
SzFromIDS(IDS_BC_DATABASE_SHORT, g_szDBNameShort, ARRAYSIZE(g_szDBNameShort));
}
/*----------------------------------------------------------
Purpose: Initialize the DLL on the first PROCESS_ATTACH
Returns: TRUE on success
Cond: --
*/
BOOL PRIVATE InitializeFirstTime(void)
{
BOOL bRet = FALSE;
InitCommonControls();
GetMetrics(0);
CPATH_InitCS();
CBS_InitCS();
CRL_InitCS();
if (!Atom_Init())
goto Init_Cleanup;
if (!CPATH_Init())
goto Init_Cleanup;
// We do not load the engine DLL until we really need it.
// Initialize our global imagelist
//
g_cfBriefObj = RegisterClipboardFormat(CFSTR_BRIEFOBJECT);
if (g_cfBriefObj == 0)
goto Init_Cleanup;
bRet = TRUE;
Init_Cleanup:
if (bRet == FALSE)
{
Atom_Term();
}
return bRet;
}
/*----------------------------------------------------------
Purpose: Register window classes per process
Returns: TRUE on success
Cond: --
*/
BOOL PRIVATE InitWindowClasses(
HINSTANCE hinst)
{
if (!RecAct_Init(hinst))
return FALSE;
return TRUE;
}
/*----------------------------------------------------------
Purpose: Terminate DLL on the last PROCESS_DETACH
Returns: --
Cond: --
*/
void PRIVATE FinalTerminate(
HINSTANCE hinst)
{
CPATH_Term();
Atom_Term();
CRL_DeleteCS();
CBS_DeleteCS();
CPATH_DeleteCS();
Mem_Terminate();
}
/*----------------------------------------------------------
Purpose: Unregister window classes per process
Returns: --
Cond: --
*/
void PRIVATE TermWindowClasses(
HINSTANCE hinst)
{
RecAct_Term(hinst);
}
/*----------------------------------------------------------
Purpose: Obtain ownership of the delay-calculation mutex
Returns: reference count
Cond: --
*/
UINT PUBLIC Delay_Own(void)
{
UINT cRef;
EnterCriticalSection(&s_csDelay);
{
if (0 == g_cRefMutex++)
{
// Obtain ownership of the mutex. This will get released
// when Delay_Release is called.
LeaveCriticalSection(&s_csDelay);
{
MsgWaitObjectsSendMessage(1, &g_hMutexDelay, INFINITE);
}
EnterCriticalSection(&s_csDelay);
TRACE_MSG(TF_GENERAL, TEXT("Set delay mutex"));
}
cRef = g_cRefMutex;
}
LeaveCriticalSection(&s_csDelay);
return cRef;
}
/*----------------------------------------------------------
Purpose: Release ownership of the delay-calculation mutex
Returns: reference count
Cond: --
*/
UINT PUBLIC Delay_Release(void)
{
UINT cRef;
EnterCriticalSection(&s_csDelay);
{
ASSERT(0 < g_cRefMutex);
if (0 < g_cRefMutex)
{
if (0 == --g_cRefMutex)
{
ReleaseMutex(g_hMutexDelay);
TRACE_MSG(TF_GENERAL, TEXT("Release delay mutex"));
}
}
cRef = g_cRefMutex;
}
LeaveCriticalSection(&s_csDelay);
return cRef;
}
/*----------------------------------------------------------
Purpose: Enter a critical section
Returns: --
Cond: --
*/
void PUBLIC Brief_EnterExclusive(void)
{
EnterCriticalSection(&g_csSyncUI);
#ifdef DEBUG
g_cRefSyncUI++;
#endif
}
/*----------------------------------------------------------
Purpose: Leave a critical section
Returns: --
Cond: --
*/
void PUBLIC Brief_LeaveExclusive(void)
{
#ifdef DEBUG
g_cRefSyncUI--;
#endif
LeaveCriticalSection(&g_csSyncUI);
}
/*----------------------------------------------------------
Purpose: Attach a process to this DLL
Returns: --
Cond: --
*/
BOOL ProcessAttach(HINSTANCE hDll)
{
BOOL bSuccess = TRUE;
// It's okay to use a critical section in Chicago because (unlike
// NT) they work across processes. (See NT case below)
if (0) // rogerg ReInitialize is undefined.
{
#ifdef WINNT
// InitializeCriticalSection(&g_csSyncUI);
#else
// ReinitializeCriticalSection(&g_csSyncUI);
#endif
}
else
{
InitializeCriticalSection(&g_csSyncUI);
}
ASSERT(0 != *((LPDWORD)&g_csSyncUI));
InitializeCriticalSection(&s_csDelay);
ASSERT(0 != *((LPDWORD)&s_csDelay));
ENTEREXCLUSIVE()
{
g_hinst = hDll;
#ifdef DEBUG
// We do this simply to load the debug .ini flags
//
ProcessIniFile();
TRACE_MSG(TF_GENERAL, TEXT("Process Attach [%d] (hDll = %lx)"), g_cProcesses, hDll);
DEBUG_BREAK(BF_ONPROCESSATT);
#endif
// Under NT, we need to initialize on every process attach, not just the first
#ifdef WINNT
g_cProcesses++;
bSuccess = InitializeFirstTime();
#else
if (0 == g_cProcesses++)
{
bSuccess = InitializeFirstTime();
}
#endif
if (bSuccess)
{
#pragma data_seg(DATASEG_READONLY)
const static TCHAR c_szSyncUI[] = TEXT("SYNCUI");
#pragma data_seg()
g_hMutexDelay = CreateMutex(NULL, FALSE, c_szSyncUI);
bSuccess = (NULL != g_hMutexDelay);
}
}
LEAVEEXCLUSIVE()
if (bSuccess)
{
// (Only do this if we succeeded above)
//
// Do the following for every process
bSuccess = InitWindowClasses(hDll);
}
InitGlobalColors();
InitGlobalStrings();
return bSuccess;
}
/*----------------------------------------------------------
Purpose: Detach a process from the DLL
Returns: --
Cond: --
*/
BOOL ProcessDetach(HINSTANCE hDll)
{
BOOL bSuccess = TRUE;
ENTEREXCLUSIVE()
{
ASSERT(hDll == g_hinst);
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("Process Detach [%d] (hDll = %lx)"),
g_cProcesses, hDll-1); )
DEBUG_CODE( DEBUG_BREAK(BF_ONPROCESSDET); )
ASSERT(0 == g_cRefMutex);
if (g_hMutexDelay)
{
CloseHandle(g_hMutexDelay);
g_hMutexDelay = NULL;
}
if (0 == --g_cProcesses)
{
FinalTerminate(g_hinst);
}
ReleaseDesktopShellFolder();
Sync_ReleaseVTable();
}
LEAVEEXCLUSIVE()
if (g_cProcesses == 0)
{
DeleteCriticalSection(&g_csSyncUI);
}
DeleteCriticalSection(&s_csDelay);
TermWindowClasses(hDll);
return bSuccess;
}
/*----------------------------------------------------------
Purpose: Win32 Libmain
Returns: --
Cond: --
*/
BOOL APIENTRY LibMain(
HANDLE hDll,
DWORD dwReason,
LPVOID lpReserved)
{
switch(dwReason)
{
case DLL_PROCESS_ATTACH:
ProcessAttach(hDll);
#ifndef DEBUG
DisableThreadLibraryCalls(hDll);
#endif
break;
case DLL_PROCESS_DETACH:
ProcessDetach(hDll);
break;
case DLL_THREAD_ATTACH:
#ifdef DEBUG
ENTEREXCLUSIVE()
{
// We do this simply to load the debug .ini flags
//
ProcessIniFile();
TRACE_MSG(TF_GENERAL, TEXT("Thread Attach [%d] (hDll = %lx)"),
g_cProcesses, hDll);
}
LEAVEEXCLUSIVE()
DEBUG_BREAK(BF_ONTHREADATT);
#endif
break;
case DLL_THREAD_DETACH:
#ifdef DEBUG
ENTEREXCLUSIVE()
{
TRACE_MSG(TF_GENERAL, TEXT("Thread Detach [%d] (hDll = %lx)"),
g_cProcesses, hDll);
}
LEAVEEXCLUSIVE()
DEBUG_BREAK(BF_ONTHREADDET);
#endif
break;
default:
break;
}
return TRUE;
}
/*----------------------------------------------------------
Purpose: Registers property sheet and context menu extensions
for the briefcase.
Returns: TRUE on success
Cond: --
*/
BOOL PRIVATE RegisterShellExtension(void)
{
#pragma data_seg(DATASEG_READONLY)
const static TCHAR c_szPage[] = STRREG_SHEX_PROPSHEET TEXT("\\BriefcasePage");
const static TCHAR c_szCM[] = STRREG_SHEX_MENUHANDLER TEXT("\\BriefcaseMenu");
const static TCHAR c_szFolder[] = TEXT("Folder");
const static TCHAR c_szStar[] = TEXT("*");
const static TCHAR c_szFmt[] = TEXT("SOFTWARE\\Classes\\%s\\%s");
#pragma data_seg(DATASEG_PERINSTANCE)
// This must be per instance, else it will cause a fixup in
// shared data segment.
const static LPCTSTR rgpsz[2] = { c_szFolder, c_szStar };
#pragma data_seg()
TCHAR sz[MAXBUFLEN];
int i;
for (i = 0; i < ARRAYSIZE(rgpsz); i++)
{
// Add briefcase page extension
wsprintf(sz, c_szFmt, (LPCTSTR)rgpsz[i], (LPCTSTR)c_szPage);
RegSetValue(HKEY_LOCAL_MACHINE, sz, REG_SZ, c_szCLSID, lstrlen(c_szCLSID));
// Add briefcase context menu extension
wsprintf(sz, c_szFmt, (LPCTSTR)rgpsz[i], (LPCTSTR)c_szCM);
RegSetValue(HKEY_LOCAL_MACHINE, sz, REG_SZ, c_szCLSID, lstrlen(c_szCLSID));
}
return TRUE;
}
/*----------------------------------------------------------
Purpose: Create a briefcase at the specified location.
Returns: TRUE on success
Cond: --
*/
BOOL PRIVATE CreateTheBriefcase(
HWND hwnd,
LPCTSTR pszNewPath)
{
BOOL bRet = FALSE;
TCHAR szParent[MAX_PATH];
TCHAR szTmp[MAX_PATH];
DEBUG_CODE( TRACE_MSG(TF_ALWAYS, TEXT("Creating %s"), (LPCTSTR)pszNewPath); )
// We do not allow briefcases to be created inside other briefcases.
lstrcpy(szParent, pszNewPath);
PathRemoveFileSpec(szParent);
// Is this inside another briefcase?
if (PL_FALSE != PathGetLocality(szParent, szTmp))
{
// Yes; don't do it!
MsgBox(hwnd,
MAKEINTRESOURCE(IDS_ERR_CREATE_INANOTHER),
MAKEINTRESOURCE(IDS_CAP_CREATE),
NULL,GUID_NULL,NULL,
MB_WARNING);
}
else if (CreateDirectory(pszNewPath, NULL))
{
// Mark the briefcase as a system directory
//
if (!SetFileAttributes(pszNewPath, FILE_ATTRIBUTE_READONLY))
{
TRACE_MSG(TF_ALWAYS, TEXT("Cannot make %s a system directory"), (LPCTSTR)pszNewPath);
RemoveDirectory(pszNewPath);
MsgBox(hwnd,
MAKEINTRESOURCE(IDS_ERR_CANTCREATEBC),
MAKEINTRESOURCE(IDS_CAP_CREATE),
NULL,GUID_NULL,NULL,
MB_ERROR,
pszNewPath);
}
else
{
#pragma data_seg(DATASEG_READONLY)
const static TCHAR c_szConfirmFileOp[] = TEXT("ConfirmFileOp");
#pragma data_seg()
HBRFCASE hbrf;
TWINRESULT tr;
LPCTSTR pszDBName;
DECLAREHOURGLASS;
if (PathsTooLong(pszNewPath, c_szDesktopIni) ||
PathsTooLong(pszNewPath, g_szDBName) ||
PathsTooLong(pszNewPath, g_szDBNameShort))
{
MsgBox(hwnd,
MAKEINTRESOURCE(IDS_ERR_CREATE_TOOLONG),
MAKEINTRESOURCE(IDS_CAP_CREATE),
NULL,GUID_NULL,NULL,
MB_ERROR);
}
else
{
// Write in the desktop.ini the briefcase class ID
PathCombine(szTmp, pszNewPath, c_szDesktopIni);
// (First, flush the cache to make sure the desktop.ini
// file is really created.)
WritePrivateProfileString(NULL, NULL, NULL, szTmp);
WritePrivateProfileString(STRINI_CLASSINFO, c_szIniKeyCLSID, c_szCLSID, szTmp);
WritePrivateProfileString(STRINI_CLASSINFO, c_szConfirmFileOp, TEXT("0"), szTmp);
// Make wizard run the first time it is opened.
WritePrivateProfileString(STRINI_CLASSINFO, c_szRunWizard, TEXT("1"), szTmp);
// Hide the desktop.ini since the shell does not selectively
// hide it.
if (!SetFileAttributes(szTmp, FILE_ATTRIBUTE_HIDDEN))
{
TRACE_MSG(TF_ALWAYS, TEXT("Cannot hide %s"), (LPCTSTR)szTmp);
}
RegisterShellExtension();
PathNotifyShell(pszNewPath, NSE_MKDIR, TRUE);
// Create the database file
SetHourglass();
if (IsLFNDrive(pszNewPath))
pszDBName = g_szDBName;
else
pszDBName = g_szDBNameShort;
PathCombine(szTmp, pszNewPath, pszDBName);
if (Sync_QueryVTable())
{
tr = Sync_OpenBriefcase(szTmp,
OB_FL_OPEN_DATABASE | OB_FL_TRANSLATE_DB_FOLDER | OB_FL_ALLOW_UI,
hwnd,
&hbrf);
if (TR_SUCCESS == tr)
{
// (Don't really care about errors here)
Sync_SaveBriefcase(hbrf);
Sync_CloseBriefcase(hbrf);
}
}
ResetHourglass();
bRet = TRUE;
}
}
}
else
{
// Could not create the directory. Is it because a briefcase
// already exists at this location?
if (PathExists(pszNewPath))
{
// Yes
TRACE_MSG(TF_ALWAYS, TEXT("Briefcase already exists at this location: %s"), (LPCTSTR)pszNewPath);
}
else
{
// No
MsgBox(hwnd,
MAKEINTRESOURCE(IDS_ERR_CANTCREATEBC),
MAKEINTRESOURCE(IDS_CAP_CREATE),
NULL,GUID_NULL,NULL,
MB_ERROR,
pszNewPath);
}
}
return bRet;
}
/*----------------------------------------------------------
Purpose: Adds the briefcase at pszPath to the SendTo folder
Returns: standard result
Cond: --
*/
HRESULT PRIVATE AddBriefcaseToSendToFolder(
HWND hwnd,
LPCTSTR pszPath)
{
HRESULT hres = E_OUTOFMEMORY;
LPDATAOBJECT pdtobj;
LPITEMIDLIST pidl;
TCHAR szSendTo[MAX_PATH];
Shell_GetImageLists( NULL, NULL ); // make sure icon cache is around
if (SHGetSpecialFolderPath(hwnd, szSendTo, CSIDL_SENDTO, FALSE))
{
pidl = ILCreateFromPath(pszPath);
if (pidl)
{
LPITEMIDLIST pidlParent = ILClone(pidl);
if (pidlParent)
{
IShellFolder * psf;
IShellFolder * psfDesktop;
ILRemoveLastID(pidlParent);
psfDesktop = GetDesktopShellFolder();
hres = psfDesktop->lpVtbl->BindToObject(psfDesktop, pidlParent,
NULL, &IID_IShellFolder, &psf);
if (SUCCEEDED(hres))
{
LPCITEMIDLIST pidlName = ILFindLastID(pidl);
hres = psf->lpVtbl->GetUIObjectOf(psf, hwnd, 1,
&pidlName, &IID_IDataObject, NULL, &pdtobj);
if (SUCCEEDED(hres))
{
SHCreateLinks(hwnd, szSendTo, pdtobj, 0, NULL);
pdtobj->lpVtbl->Release(pdtobj);
}
psf->lpVtbl->Release(psf);
}
ILFree(pidlParent);
}
ILFree(pidl);
}
}
return hres;
}
/*----------------------------------------------------------
Purpose: Create a briefcase folder on the desktop.
Returns: --
Cond: --
*/
void WINAPI _export Briefcase_Create_Common(
HWND hwnd,
HINSTANCE hAppInstance,
LPTSTR pszCmdLine,
int nCmdShow)
{
DEBUG_CODE( DEBUG_BREAK(BF_ONRUNONCE); )
// Command line should be of format "xxxx path" where <path>
// is the fully qualified pathname of the briefcase to create,
// and <xxxx> is the explorer hwnd.
if (pszCmdLine && *pszCmdLine)
{
LPTSTR psz;
HWND hwndCabinet;
// Get hwnd
hwndCabinet = (HWND)AnsiToInt(pszCmdLine);
psz = StrChr(pszCmdLine, TEXT(' '));
psz = CharNext(psz); // skip over space token
if (CreateTheBriefcase(hwnd, psz))
{
// Select the newly created item to edit it
LPITEMIDLIST pidl;
pidl = ILCreateFromPath(psz);
if (pidl)
{
SelectItemInCabinet(hwndCabinet, ILFindLastID(pidl), TRUE);
ILFree(pidl);
}
}
}
else
{
// Place it on the desktop
TCHAR szPath[MAX_PATH];
if (SHGetSpecialFolderPath(hwnd, szPath, CSIDL_DESKTOPDIRECTORY, FALSE))
{
int cch;
UINT ids;
if (IsLFNDrive(szPath))
ids = IDS_BC_NAME;
else
ids = IDS_BC_NAME_SHORT;
lstrcat(szPath, TEXT("\\"));
cch = lstrlen(szPath);
LoadString(g_hinst, ids, &szPath[cch], ARRAYSIZE(szPath)-cch);
if (CreateTheBriefcase(hwnd, szPath))
{
// Add a shortcut of this briefcase to the SendTo folder
AddBriefcaseToSendToFolder(hwnd, szPath);
}
}
}
}
void WINAPI _export Briefcase_Create(
HWND hwnd,
HINSTANCE hAppInstance,
LPSTR pszCmdLine,
int nCmdShow)
{
#ifdef UNICODE
UINT iLength = lstrlenA(pszCmdLine)+1;
LPWSTR lpwszCmdLine;
lpwszCmdLine = (LPWSTR)LocalAlloc(LPTR, iLength *SIZEOF(TCHAR));
if (lpwszCmdLine)
{
MultiByteToWideChar(CP_ACP, 0,
pszCmdLine, -1,
lpwszCmdLine, iLength);
Briefcase_Create_Common(hwnd, hAppInstance, lpwszCmdLine, nCmdShow);
LocalFree((HANDLE)lpwszCmdLine);
}
#else
Briefcase_Create_Common(hwnd, hAppInstance, pszCmdLine, nCmdShow);
#endif
}
void WINAPI _export Briefcase_CreateW(
HWND hwnd,
HINSTANCE hAppInstance,
LPWSTR pwszCmdLine,
int nCmdShow)
{
#ifdef UNICODE
Briefcase_Create_Common(hwnd, hAppInstance, pwszCmdLine, nCmdShow);
#else
UINT iLength = WideCharToMultiByte(CP_ACP, 0,
pwszCmdLine, -1,
NULL, 0, 0, 0)+1;
LPSTR lpszCmdLine;
lpszCmdLine = (LPSTR)LocalAlloc(LPTR, iLength);
if (lpszCmdLine)
{
MultiByteToWideChar(CP_ACP, 0,
pwszCmdLine, -1,
lpszCmdLine, iLength);
Briefcase_Create_Common(hwnd, hAppInstance, lpszCmdLine, nCmdShow);
LocalFree((HANDLE)lpszCmdLine);
}
#endif
}
/*----------------------------------------------------------
Purpose: Display the introduction "wizard". (It's really not
a wizard since it is not making anything for us.)
NOTE: This function serves double duty for both the ansi and unicode
versions. It never uses the command line.
Returns: --
Cond: --
*/
void WINAPI _export Briefcase_Intro(
HWND hwnd,
HINSTANCE hAppInstance,
LPTSTR lpszCmdLine,
int nCmdShow)
{
Intro_DoModal(hwnd);
}
//---------------------------------------------------------------------------
// DLL entry-points
//---------------------------------------------------------------------------
/*----------------------------------------------------------
Purpose: This function is called back from within
IClassFactory::CreateInstance() of the default class
factory object, which is created by SHCreateClassObject.
Returns: standard
Cond: --
*/
HRESULT CALLBACK DllFactoryCallback(
LPUNKNOWN punkOuter, // Should be NULL for us
REFIID riid,
LPVOID * ppvOut)
{
HRESULT hres;
if (IsEqualIID(riid, &IID_IShellExtInit))
{
hres = BriefExt_CreateInstance(punkOuter, riid, ppvOut);
}
else if (IsEqualIID(riid, &IID_IBriefcaseStg) ||
IsEqualIID(riid, &IID_IBriefcaseStg2))
{
hres = BriefStg_CreateInstance(punkOuter, riid, ppvOut);
}
else
{
hres = ResultFromScode(E_NOINTERFACE);
*ppvOut = NULL;
}
return hres;
}
/*----------------------------------------------------------
Purpose: Standard OLE 2.0 entry-point
Returns: standard
Cond: --
*/
STDAPI DllGetClassObject(
REFCLSID rclsid,
REFIID riid,
LPVOID * ppvOut)
{
HRESULT hres;
if (IsEqualIID(rclsid, &CLSID_Briefcase))
{
// We are supposed return the class object for this class. Instead
// of fully implementing it in this DLL, we just call a helper
// function in the shell DLL which creates a default class factory
// object for us. When its CreateInstance member is called, it
// will call back our create instance function.
hres = SHCreateDefClassObject(
riid, // Interface ID
ppvOut, // Non-null to aggregate
DllFactoryCallback, // callback function
&g_cBusyRef, // reference count of this DLL
NULL); // init interface
}
else
{
hres = ResultFromScode(REGDB_E_CLASSNOTREG);
*ppvOut = NULL;
}
return hres;
}
/*----------------------------------------------------------
Purpose: "Can Unload Now" entry point. Called by the shell DLL
task handler list.
Returns: S_OK to unload
Cond: --
*/
STDAPI DllCanUnloadNow(void)
{
HRESULT hr;
// We only unload when:
// 2) We are not busy processing anything else *and*
// 3) No briefcases are currently open
//
ENTEREXCLUSIVE()
{
if (!IsBusySemaphore() &&
!IsOpenBriefSemaphore())
{
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("DllCanUnloadNow says OK (Busy=%d, Brief=%d)"),
g_cBusyRef, g_cBriefRef); )
hr = ResultFromScode(S_OK);
}
else
{
DEBUG_CODE( TRACE_MSG(TF_GENERAL, TEXT("DllCanUnloadNow says FALSE (Busy=%d, Brief=%d)"),
g_cBusyRef, g_cBriefRef); )
hr = ResultFromScode(S_FALSE);
}
}
LEAVEEXCLUSIVE()
return hr;
}