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ShellExt.cpp
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#include "stdafx.h" #include "ShellExt.h" #include "TortoiseUtils.h" #include "StringUtils.h" #include "InitStatus.h" #include "ThgClassFactory.h" #include "CShellExtCMenu.h" #include "CShellExtDnd.h" #include "CShellExtOverlay.h" #include "ThgCLSIDs.h" #define TOLSTR(x) L ## #x #define TOLSTR2(x) TOLSTR(x) #define CLSID_TortoiseHgCmenu TOLSTR2(THG_CLSID_TortoiseHgCmenu) #define CLSID_TortoiseHgDropHandler TOLSTR2(THG_CLSID_TortoiseHgDropHandler) #define CLSID_TortoiseHgNormal TOLSTR2(THG_CLSID_TortoiseHgNormal) #define CLSID_TortoiseHgAdded TOLSTR2(THG_CLSID_TortoiseHgAdded) #define CLSID_TortoiseHgModified TOLSTR2(THG_CLSID_TortoiseHgModified) #define CLSID_TortoiseHgUnversioned TOLSTR2(THG_CLSID_TortoiseHgUnversioned) UINT g_cRefThisDll = 0; HINSTANCE g_hmodThisDll = NULL; CRITICAL_SECTION g_critical_section; typedef struct { HKEY hRootKey; LPTSTR lpszSubKey; LPTSTR lpszValueName; LPTSTR lpszData; } REGSTRUCT, *LPREGSTRUCT; VOID _LoadResources(); VOID _UnloadResources(); extern "C" int APIENTRY DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) { if (dwReason == DLL_PROCESS_ATTACH) { TDEBUG_TRACE("DllMain: DLL_PROCESS_ATTACH"); g_hmodThisDll = hInstance; ::InitializeCriticalSection(&g_critical_section); _LoadResources(); } else if (dwReason == DLL_PROCESS_DETACH) { TDEBUG_TRACE("DllMain: DLL_PROCESS_ATTACH"); ::DeleteCriticalSection(&g_critical_section); _UnloadResources(); } return 1; } STDAPI DllCanUnloadNow(void) { TDEBUG_TRACE("DllCanUnloadNow"); return (g_cRefThisDll == 0 ? S_OK : S_FALSE); } STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut) { std::wstring clsid; { LPWSTR ptr = 0; ::StringFromIID(rclsid, &ptr); clsid = ptr; ::CoTaskMemFree(ptr); } TDEBUG_TRACEW("DllGetClassObject clsid = " << clsid); if (ppvOut == 0) { TDEBUG_TRACE("**** DllGetClassObject: error: ppvOut is 0"); return E_POINTER; } *ppvOut = NULL; typedef ThgClassFactory<CShellExtOverlay> FactOvl; typedef ThgClassFactory<CShellExtCMenu> FactCmenu; typedef ThgClassFactory<CShellExtDnd> FactDnd; if (clsid == CLSID_TortoiseHgCmenu) { FactCmenu *pcf = new FactCmenu(0); TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgCmenu"); return pcf->QueryInterface(riid, ppvOut); } else if (clsid == CLSID_TortoiseHgDropHandler) { FactDnd *pcf = new FactDnd(0); TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgDropHandler"); return pcf->QueryInterface(riid, ppvOut); } else if (clsid == CLSID_TortoiseHgNormal) { FactOvl *pcf = new FactOvl('C'); // clean TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgNormal"); ++InitStatus::inst().unchanged_; return pcf->QueryInterface(riid, ppvOut); } else if (clsid == CLSID_TortoiseHgAdded) { FactOvl *pcf = new FactOvl('A'); // added TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgAdded"); ++InitStatus::inst().added_; return pcf->QueryInterface(riid, ppvOut); } else if (clsid == CLSID_TortoiseHgModified) { FactOvl *pcf = new FactOvl('M'); // modified TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgModified"); ++InitStatus::inst().modified_; return pcf->QueryInterface(riid, ppvOut); } else if (clsid == CLSID_TortoiseHgUnversioned) { FactOvl *pcf = new FactOvl('?'); // not in repo TDEBUG_TRACE("DllGetClassObject clsname = " << "CLSID_TortoiseHgUnversioned"); ++InitStatus::inst().notinrepo_; return pcf->QueryInterface(riid, ppvOut); } return CLASS_E_CLASSNOTAVAILABLE; } VOID _LoadResources(VOID) { } VOID _UnloadResources(VOID) { } LPCRITICAL_SECTION CShellExt::GetCriticalSection() { return &g_critical_section; } void CShellExt::IncDllRef() { ThgCriticalSection cs(CShellExt::GetCriticalSection()); g_cRefThisDll++; } void CShellExt::DecDllRef() { ThgCriticalSection cs(CShellExt::GetCriticalSection()); g_cRefThisDll--; }