#include "stdafx.h" #pragma hdrstop #include "bitbuck.h" #include #include "apithk.h" #include "mtpt.h" #include "..\util.h" #include "fassoc.h" #include "..\filetbl.h" #define DM_FOCUS 0 // focus #define DM_SHUTDOWN DM_TRACE // shutdown #define TF_SHDAUTO 0 #define DM_MISC DM_TRACE // misc/tmp #define IDT_STARTBACKGROUNDSHELLTASKS 7 #define IDT_TASKBARWAKEUP 8 #define ENABLE_CHANNELS #define DESKTOPCLASS #ifdef FEATURE_STARTPAGE typedef BOOL (*PeekMessageEx)(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg, void * pvReserved); PeekMessageEx pPeekEx = NULL; #endif STDAPI_(void) CheckWinIniForAssocs(); BOOL GetOldWorkAreas(LPRECT lprc, DWORD* pdwNoOfOldWA); void SaveOldWorkAreas(LPCRECT lprc, DWORD nOldWA); BOOL UpdateAllDesktopSubscriptions(IADesktopP2 *); //This is in deskreg.cpp BOOL AdjustDesktopComponents(LPCRECT prcNewWorkAreas, int nNewWorkAreas, LPCRECT prcOldMonitors, LPCRECT prcOldWorkAreas, int nOldWorkAreas); // in defview.cpp BOOL IsFolderWindow(HWND hwnd); // copied from tray.c if changing here, change there also #define GHID_FIRST 500 #define g_xVirtualScreen GetSystemMetrics(SM_XVIRTUALSCREEN) #define g_yVirtualScreen GetSystemMetrics(SM_YVIRTUALSCREEN) #define g_cxVirtualScreen GetSystemMetrics(SM_CXVIRTUALSCREEN) #define g_cyVirtualScreen GetSystemMetrics(SM_CYVIRTUALSCREEN) #define g_cxEdge GetSystemMetrics(SM_CXEDGE) #define g_cyEdge GetSystemMetrics(SM_CYEDGE) // TOID_Desktop 6aec6a60-b7a4-11d1-be89-0000f805ca57 is the id for ShellTasks added by the desktop const GUID TOID_Desktop = { 0x6aec6a60, 0xb7a4, 0x11d1, {0xbe, 0x89, 0x00, 0x00, 0xf8, 0x05, 0xca, 0x57} }; // these are the CLSIDs that are supported for creating LocalServer thread // objects. the shell supports these in the RunDll32 and then the // invocation of a thread on the desktop object. CLSID const *c_localServers[] = { &CLSID_ShellDesktop, &CLSID_NetCrawler, &CLSID_HWShellExecute, &CLSID_ShellAutoplay, }; typedef struct { INT iLocalServer; // index into the local server table DWORD *pdwThreadID; // where to stash the thread id } LOCALSERVERDATA; // Private interface to talk to explorer.exe IDeskTray* g_pdtray = NULL; void FireEventSz(LPCTSTR szEvent) { HANDLE hEvent = OpenEvent(EVENT_MODIFY_STATE, FALSE, szEvent); if (hEvent) { SetEvent(hEvent); CloseHandle(hEvent); } } #define PERF_ENABLESETMARK #ifdef PERF_ENABLESETMARK void DoSetMark(LPCSTR pszMark, ULONG cbSz); #define PERFSETMARK(text) DoSetMark(text, sizeof(text)) #else #define PERFSETMARK(text) #endif // PERF_ENABLESETMARK #ifdef PERF_ENABLESETMARK #include #include // PWMI_SET_MARK_INFORMATION is defined in ntwmi.h #include #define NTPERF #include void DoSetMark(LPCSTR pszMark, ULONG cbSz) { PWMI_SET_MARK_INFORMATION MarkInfo; HANDLE hTemp; ULONG cbBufferSize; ULONG cbReturnSize; cbBufferSize = FIELD_OFFSET(WMI_SET_MARK_INFORMATION, Mark) + cbSz; MarkInfo = (PWMI_SET_MARK_INFORMATION) LocalAlloc(LPTR, cbBufferSize); // Failed to init, no big deal if (MarkInfo == NULL) return; BYTE *pMarkBuffer = (BYTE *) (&MarkInfo->Mark[0]); memcpy(pMarkBuffer, pszMark, cbSz); // WMI_SET_MARK_WITH_FLUSH will flush the working set when setting the mark MarkInfo->Flag = PerformanceMmInfoMark; hTemp = CreateFile(WMIDataDeviceName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL); if (hTemp != INVALID_HANDLE_VALUE) { // here's the piece that actually puts the mark in the buffer BOOL fIoctlSuccess = DeviceIoControl(hTemp, IOCTL_WMI_SET_MARK, MarkInfo, cbBufferSize, NULL, 0, &cbReturnSize, NULL); CloseHandle(hTemp); } LocalFree(MarkInfo); } #endif // PERF_ENABLESETMARK // MISC stuff duplicated in browseui { HRESULT _ConvertPathToPidlW(IBrowserService2 *pbs, HWND hwnd, LPCWSTR pszPath, LPITEMIDLIST * ppidl) { WCHAR wszCmdLine[MAX_URL_STRING]; // must be with pszPath TCHAR szFixedUrl[MAX_URL_STRING]; TCHAR szParsedUrl[MAX_URL_STRING] = {'\0'}; DWORD dwUrlLen = ARRAYSIZE(szParsedUrl); // Copy the command line into a temporary buffer // so we can remove the surrounding quotes (if // they exist) SHUnicodeToTChar(pszPath, szFixedUrl, ARRAYSIZE(szFixedUrl)); PathUnquoteSpaces(szFixedUrl); if (ParseURLFromOutsideSource(szFixedUrl, szParsedUrl, &dwUrlLen, NULL)) SHTCharToUnicode(szParsedUrl, wszCmdLine, ARRAYSIZE(wszCmdLine)); else StrCpyNW(wszCmdLine, pszPath, ARRAYSIZE(wszCmdLine)); HRESULT hr = pbs->IEParseDisplayName(CP_ACP, wszCmdLine, ppidl); pbs->DisplayParseError(hr, wszCmdLine); return hr; } // END of MISC stuff duplicated in browseui } // Several places rely on the fact that IShellBrowser is the first interface // we inherit (and therefore is what we use as our canonical IUnknown). // Grep for IUnknownIdentity to find them. class CDesktopBrowser : public IShellBrowser ,public IServiceProvider ,public IOleCommandTarget ,public IDockingWindowSite ,public IInputObjectSite ,public IDropTarget ,public IDockingWindowFrame ,public IMultiMonitorDockingSite ,public IBrowserService2 ,public IShellBrowserService { public: // IUnknown STDMETHOD(QueryInterface)(REFIID riid, void * *ppvObj); virtual STDMETHODIMP_(ULONG) AddRef(void); virtual STDMETHODIMP_(ULONG) Release(void); // IShellBrowser (same as IOleInPlaceFrame) virtual STDMETHODIMP GetWindow(HWND * lphwnd); virtual STDMETHODIMP ContextSensitiveHelp(BOOL fEnterMode); virtual STDMETHODIMP InsertMenusSB(HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths); virtual STDMETHODIMP SetMenuSB(HMENU hmenuShared, HOLEMENU holemenu, HWND hwnd); virtual STDMETHODIMP RemoveMenusSB(HMENU hmenuShared); virtual STDMETHODIMP SetStatusTextSB(LPCOLESTR lpszStatusText); virtual STDMETHODIMP EnableModelessSB(BOOL fEnable); virtual STDMETHODIMP TranslateAcceleratorSB(LPMSG lpmsg, WORD wID); virtual STDMETHODIMP BrowseObject(LPCITEMIDLIST pidl, UINT wFlags); virtual STDMETHODIMP GetViewStateStream(DWORD grfMode, LPSTREAM *ppStrm); virtual STDMETHODIMP GetControlWindow(UINT id, HWND * lphwnd); virtual STDMETHODIMP SendControlMsg(UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *pret); virtual STDMETHODIMP QueryActiveShellView(struct IShellView ** ppshv); virtual STDMETHODIMP OnViewWindowActive(struct IShellView * ppshv); virtual STDMETHODIMP SetToolbarItems(LPTBBUTTON lpButtons, UINT nButtons, UINT uFlags); // IServiceProvider virtual STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppvObj); // IOleCommandTarget virtual STDMETHODIMP QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD rgCmds[], OLECMDTEXT *pcmdtext); virtual STDMETHODIMP Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvarargIn, VARIANTARG *pvarargOut); // IDockingWindowSite (also IOleWindow) virtual STDMETHODIMP GetBorderDW(IUnknown* punkSrc, LPRECT lprectBorder); virtual STDMETHODIMP RequestBorderSpaceDW(IUnknown* punkSrc, LPCBORDERWIDTHS pborderwidths); virtual STDMETHODIMP SetBorderSpaceDW(IUnknown* punkSrc, LPCBORDERWIDTHS pborderwidths); // IInputObjectSite virtual STDMETHODIMP OnFocusChangeIS(IUnknown* punkSrc, BOOL fSetFocus); // IDropTarget virtual STDMETHODIMP DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect); virtual STDMETHODIMP DragOver(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect); virtual STDMETHODIMP DragLeave(void); virtual STDMETHODIMP Drop(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect); // IDockingWindowFrame (also IOleWindow) virtual STDMETHODIMP AddToolbar(IUnknown* punkSrc, LPCWSTR pwszItem, DWORD dwReserved); virtual STDMETHODIMP RemoveToolbar(IUnknown* punkSrc, DWORD dwFlags); virtual STDMETHODIMP FindToolbar(LPCWSTR pwszItem, REFIID riid, void **ppvObj); // IMultiMonitorDockingSite virtual STDMETHODIMP GetMonitor(IUnknown* punkSrc, HMONITOR * phMon); virtual STDMETHODIMP RequestMonitor(IUnknown* punkSrc, HMONITOR * phMon); virtual STDMETHODIMP SetMonitor(IUnknown* punkSrc, HMONITOR hMon, HMONITOR * phMonOld); static LRESULT CALLBACK DesktopWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); static LRESULT CALLBACK RaisedWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); void _MessageLoop(); HWND GetTrayWindow(void) { return _hwndTray; } HWND GetDesktopWindow(void) { return _pbbd->_hwnd; } // IBrowserService // *** IBrowserService specific methods *** virtual STDMETHODIMP GetParentSite(IOleInPlaceSite** ppipsite); virtual STDMETHODIMP SetTitle(IShellView* psv, LPCWSTR pszName); virtual STDMETHODIMP GetTitle(IShellView* psv, LPWSTR pszName, DWORD cchName); virtual STDMETHODIMP GetOleObject( IOleObject** ppobjv); virtual STDMETHODIMP GetTravelLog(ITravelLog** pptl); virtual STDMETHODIMP ShowControlWindow(UINT id, BOOL fShow); virtual STDMETHODIMP IsControlWindowShown(UINT id, BOOL *pfShown); virtual STDMETHODIMP IEGetDisplayName(LPCITEMIDLIST pidl, LPWSTR pwszName, UINT uFlags); virtual STDMETHODIMP IEParseDisplayName(UINT uiCP, LPCWSTR pwszPath, LPITEMIDLIST * ppidlOut); virtual STDMETHODIMP DisplayParseError(HRESULT hres, LPCWSTR pwszPath); virtual STDMETHODIMP NavigateToPidl(LPCITEMIDLIST pidl, DWORD grfHLNF); virtual STDMETHODIMP SetNavigateState(BNSTATE bnstate); virtual STDMETHODIMP GetNavigateState (BNSTATE *pbnstate); virtual STDMETHODIMP NotifyRedirect ( IShellView* psv, LPCITEMIDLIST pidl, BOOL *pfDidBrowse); virtual STDMETHODIMP UpdateWindowList (); virtual STDMETHODIMP UpdateBackForwardState (); virtual STDMETHODIMP SetFlags(DWORD dwFlags, DWORD dwFlagMask); virtual STDMETHODIMP GetFlags(DWORD *pdwFlags); virtual STDMETHODIMP CanNavigateNow (); virtual STDMETHODIMP GetPidl(LPITEMIDLIST *ppidl); virtual STDMETHODIMP SetReferrer (LPITEMIDLIST pidl); virtual STDMETHODIMP_(DWORD) GetBrowserIndex(); virtual STDMETHODIMP GetBrowserByIndex(DWORD dwID, IUnknown **ppunk); virtual STDMETHODIMP GetHistoryObject(IOleObject **ppole, IStream **pstm, IBindCtx **ppbc); virtual STDMETHODIMP SetHistoryObject(IOleObject *pole, BOOL fIsLocalAnchor); virtual STDMETHODIMP CacheOLEServer(IOleObject *pole); virtual STDMETHODIMP GetSetCodePage(VARIANT* pvarIn, VARIANT* pvarOut); virtual STDMETHODIMP OnHttpEquiv(IShellView* psv, BOOL fDone, VARIANT* pvarargIn, VARIANT* pvarargOut); virtual STDMETHODIMP GetPalette( HPALETTE * hpal); virtual STDMETHODIMP RegisterWindow(BOOL fUnregister, int swc); virtual STDMETHODIMP_(LRESULT) WndProcBS(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); virtual STDMETHODIMP OnSize(WPARAM wParam); virtual STDMETHODIMP OnCreate(LPCREATESTRUCT pcs); virtual STDMETHODIMP_(LRESULT) OnCommand(WPARAM wParam, LPARAM lParam); virtual STDMETHODIMP OnDestroy(); virtual STDMETHODIMP_(LRESULT) OnNotify(NMHDR * pnm); virtual STDMETHODIMP OnSetFocus(); virtual STDMETHODIMP OnFrameWindowActivateBS(BOOL fActive); virtual STDMETHODIMP ReleaseShellView(); virtual STDMETHODIMP ActivatePendingView(); virtual STDMETHODIMP CreateViewWindow(IShellView* psvNew, IShellView* psvOld, LPRECT prcView, HWND* phwnd); virtual STDMETHODIMP GetBaseBrowserData(LPCBASEBROWSERDATA* ppbd); virtual STDMETHODIMP_(LPBASEBROWSERDATA) PutBaseBrowserData(); virtual STDMETHODIMP SetAsDefFolderSettings() { ASSERT(FALSE); return E_NOTIMPL;} virtual STDMETHODIMP SetTopBrowser(); virtual STDMETHODIMP UpdateSecureLockIcon(int eSecureLock); virtual STDMETHODIMP Offline(int iCmd); virtual STDMETHODIMP InitializeDownloadManager(); virtual STDMETHODIMP InitializeTransitionSite(); virtual STDMETHODIMP GetFolderSetData(struct tagFolderSetData* pfsd) { *pfsd = _fsd; return S_OK; }; virtual STDMETHODIMP _OnFocusChange(UINT itb); virtual STDMETHODIMP v_ShowHideChildWindows(BOOL fChildOnly); virtual STDMETHODIMP CreateBrowserPropSheetExt(THIS_ REFIID riid, void **ppvObj); virtual STDMETHODIMP SetActivateState(UINT uActivate); virtual STDMETHODIMP AllowViewResize(BOOL f); virtual STDMETHODIMP _Initialize(HWND hwnd, IUnknown *pauto); virtual STDMETHODIMP_(UINT) _get_itbLastFocus(); virtual STDMETHODIMP _put_itbLastFocus(UINT itbLastFocus); virtual STDMETHODIMP _UIActivateView(UINT uState); virtual STDMETHODIMP _CancelPendingNavigationAsync(); virtual STDMETHODIMP _MaySaveChanges(); virtual STDMETHODIMP _PauseOrResumeView(BOOL fPaused); virtual STDMETHODIMP _DisableModeless(); virtual STDMETHODIMP _NavigateToPidl(LPCITEMIDLIST pidl, DWORD grfHLNF, DWORD dwFlags); virtual STDMETHODIMP _TryShell2Rename(IShellView* psv, LPCITEMIDLIST pidlNew); virtual STDMETHODIMP _SwitchActivationNow(); virtual STDMETHODIMP _CancelPendingView(); virtual STDMETHODIMP _ExecChildren(IUnknown *punkBar, BOOL fBroadcast, const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvarargIn, VARIANTARG *pvarargOut); virtual STDMETHODIMP _SendChildren(HWND hwndBar, BOOL fBroadcast, UINT uMsg, WPARAM wParam, LPARAM lParam); virtual STDMETHODIMP v_MayGetNextToolbarFocus(LPMSG lpMsg, UINT itbNext, int citb, LPTOOLBARITEM * pptbi, HWND * phwnd); virtual STDMETHODIMP _SetFocus(LPTOOLBARITEM ptbi, HWND hwnd, LPMSG lpMsg) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP _GetViewBorderRect(RECT* prc); virtual STDMETHODIMP _UpdateViewRectSize(); virtual STDMETHODIMP _ResizeNextBorder(UINT itb); virtual STDMETHODIMP _ResizeView(); virtual STDMETHODIMP _GetEffectiveClientArea(LPRECT lprectBorder, HMONITOR hmon); virtual STDMETHODIMP GetCurrentFolderSettings(DEFFOLDERSETTINGS *pdfs, int cbDfs) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP GetViewRect(RECT* prc); virtual STDMETHODIMP GetViewWindow(HWND * phwndView); virtual STDMETHODIMP InitializeTravelLog(ITravelLog* ptl, DWORD dw); //IShellBrowserService virtual STDMETHODIMP GetPropertyBag(DWORD dwFlags, REFIID riid, void** ppv); // Desktop needs to override these: virtual STDMETHODIMP_(IStream*) v_GetViewStream(LPCITEMIDLIST pidl, DWORD grfMode, LPCWSTR pwszName); // Desktop needs access to these: virtual STDMETHODIMP_(LRESULT) ForwardViewMsg(UINT uMsg, WPARAM wParam, LPARAM lParam) { ASSERT(FALSE); return 0; }; virtual STDMETHODIMP SetAcceleratorMenu(HACCEL hacc) { ASSERT(FALSE); return E_FAIL; } virtual STDMETHODIMP_(int) _GetToolbarCount(THIS) { ASSERT(FALSE); return 0; } virtual STDMETHODIMP_(LPTOOLBARITEM) _GetToolbarItem(THIS_ int itb) { ASSERT(FALSE); return NULL; } virtual STDMETHODIMP _SaveToolbars(IStream* pstm) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP _LoadToolbars(IStream* pstm) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP _CloseAndReleaseToolbars(BOOL fClose) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP_(UINT) _FindTBar(IUnknown* punkSrc) { ASSERT(FALSE); return (UINT)-1; }; virtual STDMETHODIMP v_MayTranslateAccelerator(MSG* pmsg) { ASSERT(FALSE); return E_NOTIMPL; } virtual STDMETHODIMP _GetBorderDWHelper(IUnknown* punkSrc, LPRECT lprectBorder, BOOL bUseHmonitor) { ASSERT(FALSE); return E_NOTIMPL; } // Shell browser overrides this. virtual STDMETHODIMP v_CheckZoneCrossing(LPCITEMIDLIST pidl) {return S_OK;}; // Desktop and basesb need access to these: virtual STDMETHODIMP _ResizeNextBorderHelper(UINT itb, BOOL bUseHmonitor); // it just for us of course! void StartBackgroundShellTasks(void); void TaskbarWakeup(void); #ifdef FEATURE_STARTPAGE // For Start Page HWND GetViewWnd() { return _GetDesktopListview(); } void SetStartPageHWND(HWND hwnd) { _hwndStartPage = hwnd; } #endif protected: CDesktopBrowser(); ~CDesktopBrowser(); friend HRESULT CDesktopBrowser_CreateInstance(HWND hwnd, void **ppsb); HRESULT SetInner(IUnknown* punk); long _cRef; // cached pointers on inner object IUnknown* _punkInner; IBrowserService2* _pbsInner; IShellBrowser* _psbInner; IServiceProvider* _pspInner; IOleCommandTarget* _pctInner; IDockingWindowSite* _pdwsInner; IDockingWindowFrame* _pdwfInner; IInputObjectSite* _piosInner; IDropTarget* _pdtInner; LPCBASEBROWSERDATA _pbbd; LRESULT _RaisedWndProc(UINT msg, WPARAM wParam, LPARAM lParam); void _SetViewArea(); void _GetViewBorderRects(int nRects, LPRECT prc); // does not have the tool bars void _SetWorkAreas(int nWorkAreas, RECT * prcWork); void _SubtractBottommostTray(LPRECT prc); void _SaveState(); void _InitDeskbars(); void _SaveDesktopToolbars(); void _OnRaise(WPARAM wParam, LPARAM lParam); void _SetupAppRan(WPARAM wParam, LPARAM lParam); BOOL _QueryHKCRChanged(HWND hwnd, LPDWORD pdwCookie); void _Lower(); void _Raise(); void _SwapParents(HWND hwndOldParent, HWND hwndNewParent); BOOL _OnCopyData(PCOPYDATASTRUCT pcds); void _OnAddToRecent(HANDLE hMem, DWORD dwProcId); BOOL _InitScheduler(void); HRESULT _AddDesktopTask(IRunnableTask *ptask, DWORD dwPriority); BOOL _PtOnDesktopEdge(POINTL* ppt, LPUINT puEdge); #ifdef DEBUG void _CreateDeskbars(); #endif HRESULT _CreateDeskBarForBand(UINT uEdge, IUnknown *punk, POINTL *pptl, IBandSite **pbs); virtual void v_PropagateMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL fSend); HRESULT _OnFocusMsg(UINT uMsg, WPARAM wParam, LPARAM lParam); HRESULT _CreateDesktopView(); HRESULT _GetPropertyBag(LPCITEMIDLIST pidl, DWORD dwFlags, REFIID riid, void** ppv); HWND _GetDesktopListview(); UINT _PeekForAMessage(); void _InitMonitors(); #ifdef ENABLE_CHANNELS void _MaybeLaunchChannelBand(void); #endif virtual void _ViewChange(DWORD dwAspect, LONG lindex); HWND _hwndTray; int _iWaitCount; ULONG _uNotifyID; DWORD _dwThreadIdTray; // Used to wakeup tray thread when the machine is really stressed int _iTrayPriority; DWORD _grfKeyState; DWORD _dwEffectOnEdge; // what's the drop effect that desktop should return on dragging over the edge BOOL _fRaised; HWND _hwndRaised; // this is the parent of all of desktop's children when raised struct tagFolderSetData _fsd; int _nMonitors; // number of monitors on this desktop HMONITOR _hMonitors[LV_MAX_WORKAREAS]; // the order of these hmonitors need to be preserved RECT _rcWorkArea; // cached work-area RECT _rcOldWorkAreas[LV_MAX_WORKAREAS]; // Old work areas before settings change DWORD _nOldWork; RECT _rcOldMonitors[LV_MAX_WORKAREAS]; // Old monitor sizes before settings change // for _OnAddToRecent() IShellTaskScheduler *_psched; DWORD _idLocalServerThreads[ARRAYSIZE(c_localServers)]; DWORD _cChangeEvents; HANDLE _rghChangeEvents[2]; // we watch HKCR and HKCR\CLSID DWORD _dwChangeCookie; DWORD _rgdwQHKCRCookies[QHKCRID_MAX - QHKCRID_MIN]; HKEY _hkClsid; WCHAR _wzDesktopTitle[64]; // Localized Title #ifdef FEATURE_STARTPAGE HWND _hwndStartPage; #endif // IUnknownIdentity - for uniformity w.r.t. aggregation // We are not aggregatable, so we are our own Outer. IUnknown *_GetOuter() { return SAFECAST(this, IShellBrowser*); } }; HRESULT CDesktopBrowser_CreateInstance(HWND hwnd, void **ppsb) { HRESULT hr = E_OUTOFMEMORY; CDesktopBrowser *pdb = new CDesktopBrowser(); if (pdb) { hr = pdb->_Initialize(hwnd, NULL); // aggregation, etc. if (FAILED(hr)) ATOMICRELEASE(pdb); } *ppsb = pdb; return hr; } CDesktopBrowser::CDesktopBrowser() : _cRef(1) { TraceMsg(TF_LIFE, "ctor CDesktopBrowser %x", this); for (INT i = 0; i < ARRAYSIZE(_idLocalServerThreads); i++) _idLocalServerThreads[i] = -1; } CDesktopBrowser::~CDesktopBrowser() { SaveOldWorkAreas(_rcOldWorkAreas, _nOldWork); // cleanup for QueryHKCRChanged() for (int i = 0; i < ARRAYSIZE(_rghChangeEvents); i++) { if (_rghChangeEvents[i]) CloseHandle(_rghChangeEvents[i]); } if (_hkClsid) RegCloseKey(_hkClsid); // close down the local server threads that may be running for (i = 0; i < ARRAYSIZE(_idLocalServerThreads); i++) { if (_idLocalServerThreads[i] != -1) PostThreadMessage(_idLocalServerThreads[i], WM_QUIT, 0, 0); } TraceMsg(TF_LIFE, "dtor CDesktopBrowser %x", this); } HRESULT CDesktopBrowser::_Initialize(HWND hwnd, IUnknown* pauto) { IUnknown* punk; HRESULT hres = CoCreateInstance(CLSID_CCommonBrowser, _GetOuter(), CLSCTX_INPROC_SERVER, IID_PPV_ARG(IUnknown, &punk)); if (SUCCEEDED(hres)) { hres = SetInner(punk); // paired w/ Release in outer (TBS::Release) if (SUCCEEDED(hres)) { // we must initialize the inner guy BEFORE we call through any of these pointers. hres = _pbsInner->_Initialize(hwnd, pauto); if (SUCCEEDED(hres)) { _pbsInner->GetBaseBrowserData(&_pbbd); ASSERT(_pbbd); // Restore the old settings from the registry that we persist. if (!GetOldWorkAreas(_rcOldWorkAreas, &_nOldWork) || _nOldWork == 0) { // We didn't find it in the registry _nOldWork = 0; // Since this is 0, we don't have to set _rcOldWorkAreas. //We will recover from this in _SetWorkAreas() } SetTopBrowser(); _put_itbLastFocus(ITB_VIEW); // focus on desktop (w95 compat) HACCEL hacc = LoadAccelerators(HINST_THISDLL, MAKEINTRESOURCE(ACCEL_DESKTOP)); ASSERT(hacc); _pbsInner->SetAcceleratorMenu(hacc); // Perf: never fire events from the desktop. ASSERT(_pbbd->_pautoEDS); ATOMICRELEASE(const_cast(_pbbd->_pautoEDS)); _InitMonitors(); // Initialise _rcOldMonitors for (int i = 0; i < _nMonitors; i++) { GetMonitorRect(_hMonitors[i], &_rcOldMonitors[i]); } // NOTE: if we have any more keys to watch, then // we should create a static struct to walk // so that it is easier to add more event/key pairs _rghChangeEvents[0] = CreateEvent(NULL, TRUE, FALSE, NULL); _rghChangeEvents[1] = CreateEvent(NULL, TRUE, FALSE, NULL); if (_rghChangeEvents[0] && _rghChangeEvents[1]) { if (ERROR_SUCCESS == RegNotifyChangeKeyValue(HKEY_CLASSES_ROOT, TRUE, REG_NOTIFY_CHANGE_LAST_SET |REG_NOTIFY_CHANGE_NAME, _rghChangeEvents[0], TRUE)) { _cChangeEvents = 1; if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, TEXT("CLSID"), 0, MAXIMUM_ALLOWED, &_hkClsid) && ERROR_SUCCESS == RegNotifyChangeKeyValue(_hkClsid, TRUE, REG_NOTIFY_CHANGE_LAST_SET |REG_NOTIFY_CHANGE_NAME, _rghChangeEvents[1], TRUE)) { // we need to leave the key open, // or the event is signaled right away _cChangeEvents++; } } } } } } return hres; } // // The refcount in the punk is transferred to us. We do not need to // and indeed should not AddRef it. // // If any of these steps fails, we will clean up in our destructor. // HRESULT CDesktopBrowser::SetInner(IUnknown* punk) { HRESULT hres; ASSERT(_punkInner == NULL); _punkInner = punk; #define INNERCACHE(iid, p) do { \ hres = SHQueryInnerInterface(_GetOuter(), punk, iid, (void **)&p); \ if (!EVAL(SUCCEEDED(hres))) return E_FAIL; \ } while (0) INNERCACHE(IID_IBrowserService2, _pbsInner); INNERCACHE(IID_IShellBrowser, _psbInner); INNERCACHE(IID_IServiceProvider, _pspInner); INNERCACHE(IID_IOleCommandTarget, _pctInner); INNERCACHE(IID_IDockingWindowSite, _pdwsInner); INNERCACHE(IID_IDockingWindowFrame, _pdwfInner); INNERCACHE(IID_IInputObjectSite, _piosInner); INNERCACHE(IID_IDropTarget, _pdtInner); #undef INNERCACHE return S_OK; } ULONG CDesktopBrowser::AddRef() { return InterlockedIncrement(&_cRef); } ULONG CDesktopBrowser::Release() { ASSERT(_cRef > 0); if (InterlockedDecrement(&_cRef)) return _cRef; _cRef = 1000; // guard against recursion RELEASEINNERINTERFACE(_GetOuter(), _pbsInner); RELEASEINNERINTERFACE(_GetOuter(), _psbInner); RELEASEINNERINTERFACE(_GetOuter(), _pspInner); RELEASEINNERINTERFACE(_GetOuter(), _pctInner); RELEASEINNERINTERFACE(_GetOuter(), _pdwsInner); RELEASEINNERINTERFACE(_GetOuter(), _pdwfInner); RELEASEINNERINTERFACE(_GetOuter(), _piosInner); RELEASEINNERINTERFACE(_GetOuter(), _pdtInner); // this must come last ATOMICRELEASE(_punkInner); // paired w/ CCI aggregation ASSERT(_cRef == 1000); delete this; return 0; } HRESULT CDesktopBrowser::QueryInterface(REFIID riid, void **ppvObj) { // IUnknownIdentity - The interface we use for IUnknown must come first. static const QITAB qit[] = { QITABENT(CDesktopBrowser, IShellBrowser), QITABENT(CDesktopBrowser, IBrowserService2), QITABENTMULTI(CDesktopBrowser, IBrowserService, IBrowserService2), QITABENTMULTI(CDesktopBrowser, IOleWindow, IShellBrowser), QITABENTMULTI2(CDesktopBrowser, SID_SShellDesktop, IShellBrowser), // effectively an IUnknown supported only by this class QITABENT(CDesktopBrowser, IServiceProvider), QITABENT(CDesktopBrowser, IShellBrowserService), QITABENT(CDesktopBrowser, IOleCommandTarget), QITABENT(CDesktopBrowser, IDockingWindowSite), QITABENT(CDesktopBrowser, IInputObjectSite), QITABENT(CDesktopBrowser, IMultiMonitorDockingSite), QITABENT(CDesktopBrowser, IDropTarget), { 0 }, }; HRESULT hres = QISearch(this, qit, riid, ppvObj); if (FAILED(hres)) { if (_punkInner) { // don't let these get through to our base class... // IID_IOleCommandTarget, IID_IOleInPlaceUIWindow // 970414 adp: spoke to SatoNa, these *can* go thru // i'll remove this week // It's been working like this for a while now. if (IsEqualIID(riid, IID_IOleInPlaceUIWindow)) { *ppvObj = NULL; hres = E_NOINTERFACE; } else { hres = _punkInner->QueryInterface(riid, ppvObj); } } } return hres; } void _InitDesktopMetrics(WPARAM wParam, LPCTSTR pszSection) { BOOL fForce = (!pszSection || !*pszSection); if (fForce || (wParam == SPI_SETNONCLIENTMETRICS) || !lstrcmpi(pszSection, TEXT("WindowMetrics"))) { FileIconInit(TRUE); // Tell the shell we want to play with a full deck } } typedef struct { int iMonitors; HMONITOR * phMonitors; } EnumMonitorsData; BOOL CALLBACK MultiMonEnumCallBack(HMONITOR hMonitor, HDC hdc, LPRECT lprc, LPARAM lData) { EnumMonitorsData * pEmd = (EnumMonitorsData *)lData; if (pEmd->iMonitors > LV_MAX_WORKAREAS - 1) //ignore the other monitors because we can only handle up to LV_MAX_WORKAREAS //REARCHITECT: should we dynamically allocated this? return FALSE; pEmd->phMonitors[pEmd->iMonitors++] = hMonitor; return TRUE; } // Initialize the number of monitors and the hmonitors array void CDesktopBrowser::_InitMonitors() { HMONITOR hMonPrimary = GetPrimaryMonitor(); EnumMonitorsData emd; emd.iMonitors = 0; emd.phMonitors = _hMonitors; EnumDisplayMonitors(NULL, NULL, MultiMonEnumCallBack, (LPARAM)&emd); _nMonitors = GetNumberOfMonitors(); // Always move the primary monitor to the first location. if (_hMonitors[0] != hMonPrimary) { for (int iMon = 1; iMon < _nMonitors; iMon++) { if (_hMonitors[iMon] == hMonPrimary) { _hMonitors[iMon] = _hMonitors[0]; _hMonitors[0] = hMonPrimary; break; } } } } // Gets the persisted old work areas, from the registry BOOL GetOldWorkAreas(LPRECT lprc, DWORD* pdwNoOfOldWA) { BOOL fRet = FALSE; *pdwNoOfOldWA = 0; HKEY hkey; if (RegOpenKeyEx(HKEY_CURRENT_USER, REG_DESKCOMP_OLDWORKAREAS, 0, KEY_READ, &hkey) == ERROR_SUCCESS) { DWORD dwType, cbSize = sizeof(*pdwNoOfOldWA); // Read in the no of old work areas if (SHQueryValueEx(hkey, REG_VAL_OLDWORKAREAS_COUNT, NULL, &dwType, (LPBYTE)pdwNoOfOldWA, &cbSize) == ERROR_SUCCESS) { // Read in the old work area rects cbSize = sizeof(*lprc) * (*pdwNoOfOldWA); if (SHQueryValueEx(hkey, REG_VAL_OLDWORKAREAS_RECTS, NULL, &dwType, (LPBYTE)lprc, &cbSize) == ERROR_SUCCESS) { fRet = TRUE; } } RegCloseKey(hkey); } return fRet; } // Saves the old work areas into the registry void SaveOldWorkAreas(LPCRECT lprc, DWORD nOldWA) { // Recreate the registry key. HKEY hkey; if (RegCreateKey(HKEY_CURRENT_USER, REG_DESKCOMP_OLDWORKAREAS, &hkey) == ERROR_SUCCESS) { // Write out the no. of old work areas RegSetValueEx(hkey, REG_VAL_OLDWORKAREAS_COUNT, 0, REG_DWORD, (LPBYTE)&nOldWA, sizeof(nOldWA)); // Write out the no work area rectangles RegSetValueEx(hkey, REG_VAL_OLDWORKAREAS_RECTS, 0, REG_BINARY, (LPBYTE)lprc, sizeof(*lprc) * nOldWA); // Close out the reg key RegCloseKey(hkey); } } //*** CDesktopBrowser::IOleCommandTarget::* { STDMETHODIMP CDesktopBrowser::QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD rgCmds[], OLECMDTEXT *pcmdtext) { return E_NOTIMPL; } STDMETHODIMP CDesktopBrowser::Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvarargIn, VARIANTARG *pvarargOut) { if (pguidCmdGroup == NULL) { /*NOTHING*/ } else if (IsEqualGUID(CGID_ShellDocView, *pguidCmdGroup)) { switch (nCmdID) { case SHDVID_RAISE: // n.b.: DTRF_RAISE/DTRF_LOWER go down; DTRF_QUERY goes up ASSERT(pvarargIn != NULL && pvarargIn->vt == VT_I4); if (pvarargIn->vt == VT_I4 && pvarargIn->lVal == DTRF_QUERY) { ASSERT(pvarargOut != NULL); pvarargOut->vt = VT_I4; pvarargOut->lVal = _fRaised ? DTRF_RAISE : DTRF_LOWER; return S_OK; } // o.w. let parent handle it break; case SHDVID_UPDATEOFFLINEDESKTOP: UpdateAllDesktopSubscriptions(NULL); return S_OK; } } else if (IsEqualGUID(CGID_Explorer, *pguidCmdGroup)) { switch (nCmdID) { case SBCMDID_OPTIONS: case SBCMDID_ADDTOFAVORITES: return _pctInner->Exec(pguidCmdGroup, nCmdID, nCmdexecopt, pvarargIn, pvarargOut); } } // do *not* forward up to SUPERCLASS::Exec (see QI's cryptic commment // about "don't let these get thru to our base class") return OLECMDERR_E_NOTSUPPORTED; } // } STDMETHODIMP CDesktopBrowser::BrowseObject(LPCITEMIDLIST pidl, UINT wFlags) { // Force SBSP_NEWBROWSER, SBSP_ABSOLUTE, and SBSP_NOTRANSFERHIST wFlags &= ~(SBSP_DEFBROWSER | SBSP_SAMEBROWSER | SBSP_RELATIVE | SBSP_PARENT); wFlags |= (SBSP_NEWBROWSER | SBSP_ABSOLUTE | SBSP_NOTRANSFERHIST); return _psbInner->BrowseObject(pidl, wFlags); } IStream *GetDesktopViewStream(DWORD grfMode, LPCTSTR pszName) { HKEY hkStreams; if (RegCreateKey(HKEY_CURRENT_USER, REGSTR_PATH_EXPLORER TEXT("\\Streams"), &hkStreams) == ERROR_SUCCESS) { IStream *pstm = OpenRegStream(hkStreams, TEXT("Desktop"), pszName, grfMode); RegCloseKey(hkStreams); return pstm; } return NULL; } void DeleteDesktopViewStream(LPCTSTR pszName) { SHDeleteValue(HKEY_CURRENT_USER, REGSTR_PATH_EXPLORER TEXT("\\Streams\\Desktop"), pszName); } IStream *CDesktopBrowser::v_GetViewStream(LPCITEMIDLIST pidl, DWORD grfMode, LPCWSTR pszName) { return GetDesktopViewStream(grfMode, pszName); } HRESULT CDesktopBrowser::_GetPropertyBag(LPCITEMIDLIST pidl, DWORD dwFlags, REFIID riid, void** ppv) { return SHGetViewStatePropertyBag(pidl, VS_BAGSTR_DESKTOP, dwFlags | SHGVSPB_ROAM, riid, ppv); } HRESULT CDesktopBrowser::GetPropertyBag(DWORD dwFlags, REFIID riid, void** ppv) { HRESULT hr; LPITEMIDLIST pidl; hr = SHGetSpecialFolderLocation(NULL, CSIDL_DESKTOP, &pidl); if (SUCCEEDED(hr)) { hr = _GetPropertyBag(pidl, dwFlags, riid, ppv); ILFree(pidl); } return hr; } LRESULT CDesktopBrowser::OnCommand(WPARAM wParam, LPARAM lParam) { switch (GET_WM_COMMAND_ID(wParam, lParam)) { case FCIDM_FINDFILES: SHFindFiles(_pbbd->_pidlCur, NULL); break; case FCIDM_REFRESH: { VARIANT v = {0}; v.vt = VT_I4; v.lVal = OLECMDIDF_REFRESH_NO_CACHE|OLECMDIDF_REFRESH_PROMPTIFOFFLINE; // Our Exec is neutered (on purpose), so call our parent _pctInner->Exec(NULL, OLECMDID_REFRESH, OLECMDEXECOPT_DONTPROMPTUSER, &v, NULL); break; } case IDC_KBSTART: case FCIDM_NEXTCTL: if (_hwndTray) { // n.b. VK_TAB handled this way (among other things) SendMessage(_hwndTray, WM_COMMAND, wParam, lParam); } break; case IDM_CLOSE: SendMessage(_hwndTray, TM_DOEXITWINDOWS, 0, 0); break; default: _pbsInner->OnCommand(wParam, lParam); break; } return S_OK; } // Create desktop IShellView instance HRESULT CDesktopBrowser::_CreateDesktopView() { LPCITEMIDLIST pidl = SHCloneSpecialIDList(NULL, CSIDL_DESKTOP, TRUE); if (pidl) { IPropertyBag* ppb; if (0 == GetSystemMetrics(SM_CLEANBOOT) && SUCCEEDED(_GetPropertyBag(pidl, SHGVSPB_PERUSER | SHGVSPB_PERFOLDER, IID_PPV_ARG(IPropertyBag, &ppb)))) { SHPropertyBag_ReadDWORDDef(ppb, VS_PROPSTR_FFLAGS, reinterpret_cast(&_fsd._fs.fFlags), FWF_DESKTOP | FWF_NOCLIENTEDGE | FWF_SNAPTOGRID); ppb->Release(); } else { _fsd._fs.fFlags = FWF_DESKTOP | FWF_NOCLIENTEDGE | FWF_SNAPTOGRID; // default } _fsd._fs.ViewMode = FVM_ICON; // can't change this, sorry SHELLSTATE ss = {0}; SHGetSetSettings(&ss, SSF_HIDEICONS, FALSE); if (ss.fHideIcons) _fsd._fs.fFlags |= FWF_NOICONS; else _fsd._fs.fFlags &= ~FWF_NOICONS; // We keep the active desktop in offline mode! ASSERT(_pbbd->_pautoWB2); _pbbd->_pautoWB2->put_Offline(TRUE); return _psbInner->BrowseObject(pidl, SBSP_SAMEBROWSER); } else { TCHAR szYouLoose[256]; LoadString(HINST_THISDLL, IDS_YOULOSE, szYouLoose, ARRAYSIZE(szYouLoose)); MessageBox(NULL, szYouLoose, NULL, MB_ICONSTOP); return E_FAIL; } } HRESULT CDesktopBrowser::ActivatePendingView(void) { HRESULT hres = _pbsInner->ActivatePendingView(); if (SUCCEEDED(hres)) { // calling SetShellWindow will cause the desktop // to initially paint white, then the background window. // This causes an ugly white trail when you move windows // around until the desktop finally paints. // // Calling SetShellWindowEx resolves this problem. // SHSetShellWindowEx(_pbbd->_hwnd, _GetDesktopListview()); } return hres; } #ifdef DEBUG void CDesktopBrowser::_CreateDeskbars() { HRESULT hres; BOOL fCreate = FALSE; HKEY hkey; if (ERROR_SUCCESS == RegOpenKey(HKEY_CURRENT_USER, REGSTR_PATH_EXPLORER TEXT("\\DeskBar\\Bands"), &hkey)) { fCreate = TRUE; RegCloseKey(hkey); } if (fCreate) { IPersistStreamInit *ppstm; hres = CoCreateInstance(CLSID_DeskBarApp, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IPersistStreamInit, &ppstm)); if (SUCCEEDED(hres)) { hres = ppstm->InitNew(); AddToolbar(ppstm, L"test", NULL); // "Microsoft.DeskBarApp" ppstm->Release(); } } } #endif void CDesktopBrowser::_InitDeskbars() { // // Load toolbars // // 1st, try persisted state IStream* pstm = GetDesktopViewStream(STGM_READ, TEXT("Toolbars")); HRESULT hres = E_FAIL; if (pstm) { hres = _pbsInner->_LoadToolbars(pstm); pstm->Release(); } // 2nd, if there is none (or if version mismatch or other failure), // try settings from setup // NOTE: this works fine for ie4 where we have no old toolbars, // but for future releases we'll need some kind of merging scheme, // so we probably want to change this after ie4-beta-1. if (FAILED(hres)) { // n.b. HKLM not HKCU // like GetDesktopViewStream but for HKLM HKEY hk = SHGetShellKey(SHELLKEY_HKLM_EXPLORER, TEXT("Streams\\Desktop"), TRUE); if (hk) { pstm = OpenRegStream(hk, NULL, TEXT("Default Toolbars"), STGM_READ); if (pstm) { hres = _pbsInner->_LoadToolbars(pstm); pstm->Release(); } RegCloseKey(hk); } } // o.w., throw up our hands if (FAILED(hres)) { ASSERT(0); #ifdef DEBUG // but for debug, need a way to bootstrap the entire process _CreateDeskbars(); #endif } } // Handle creation of a new Desktop folder window. Creates everything except // the viewer part. // Returns -1 if something goes wrong. HWND g_hwndTray = NULL; HRESULT CDesktopBrowser::OnCreate(CREATESTRUCT *pcs) { LRESULT lr; g_pdtray->GetTrayWindow(&_hwndTray); g_hwndTray = _hwndTray; g_pdtray->SetDesktopWindow(_pbbd->_hwnd); SetTimer(_pbbd->_hwnd, IDT_ENUMHKCR, 5 * 60 * 1000, NULL); // // Notify IEDDE that the automation services are now available. // IEOnFirstBrowserCreation(NULL); ASSERT(_hwndTray); // REARCHITECT: we need to split out "ie registry settings" into a // browser component and a shell component. // //EnsureWebViewRegSettings(); if (SUCCEEDED(_CreateDesktopView())) { lr = _pbsInner->OnCreate(pcs); // success PostMessage(_pbbd->_hwnd, DTM_CREATESAVEDWINDOWS, 0, 0); return (HRESULT) lr; } return (LRESULT)-1; // failure } UINT GetDDEExecMsg() { static UINT uDDEExec = 0; if (!uDDEExec) uDDEExec = RegisterWindowMessage(TEXT("DDEEXECUTESHORTCIRCUIT")); return uDDEExec; } LRESULT CDesktopBrowser::OnNotify(NMHDR * pnm) { switch (pnm->code) { case SEN_DDEEXECUTE: if (pnm->idFrom == 0) { // short cut notifier around the dde conv. LPNMVIEWFOLDER pnmPost = DDECreatePostNotify((LPNMVIEWFOLDER)pnm); if (pnmPost) { PostMessage(_pbbd->_hwnd, GetDDEExecMsg(), 0, (LPARAM)pnmPost); return TRUE; } } break; case NM_STARTWAIT: case NM_ENDWAIT: _iWaitCount += (pnm->code == NM_STARTWAIT ? 1 :-1); ASSERT(_iWaitCount >= 0); // Don't let it go negative or we'll never get rid of it. if (_iWaitCount < 0) _iWaitCount = 0; // what we really want is for user to simulate a mouse move/setcursor SetCursor(LoadCursor(NULL, _iWaitCount ? IDC_APPSTARTING : IDC_ARROW)); break; default: return _pbsInner->OnNotify(pnm); } return 0; } // HACKHACK: this hard codes in that we know a listview is the child // of the view. HWND CDesktopBrowser::_GetDesktopListview() { HWND hwndView = _pbbd->_hwndView ? _pbbd->_hwndView : _pbbd->_hwndViewPending; if (!hwndView) return NULL; return FindWindowEx(hwndView, NULL, WC_LISTVIEW, NULL); } #ifndef ENUM_REGISTRY_SETTINGS #define ENUM_REGISTRY_SETTINGS ((DWORD)-2) #endif STDAPI_(BOOL) SHIsTempDisplayMode() { BOOL fTempMode = FALSE; DEVMODE dm = {0}; dm.dmSize = sizeof(dm); if (EnumDisplaySettings(NULL, ENUM_REGISTRY_SETTINGS, &dm) && dm.dmPelsWidth > 0 && dm.dmPelsHeight > 0) { HDC hdc = GetDC(NULL); int xres = GetDeviceCaps(hdc, HORZRES); int yres = GetDeviceCaps(hdc, VERTRES); ReleaseDC(NULL, hdc); if (xres != (int)dm.dmPelsWidth || yres != (int)dm.dmPelsHeight) fTempMode = TRUE; } return fTempMode; } // NOTE: this is the hack andyp put in // (dli) Currently, bottommost Tray is really wierd, it is not treated as toolbars. // In a sense, it has higher priority than those toolbars. So they should be taken // off the EffectiveClientArea void CDesktopBrowser::_SubtractBottommostTray(LPRECT prc) { LRESULT lTmp; APPBARDATA abd; abd.cbSize = sizeof(APPBARDATA); abd.hWnd = _hwndTray; // lTmp = SHAppBarMessage(ABM_GETSTATE, &abd); lTmp = g_pdtray->AppBarGetState(); if ((lTmp & (ABS_ALWAYSONTOP|ABS_AUTOHIDE)) == 0) { // tray is on bottom and takes 'real' space RECT rcTray = {0}; GetWindowRect(_hwndTray, &rcTray); IntersectRect(&rcTray, prc, &rcTray); SubtractRect(prc, prc, &rcTray); } } HRESULT CDesktopBrowser::_GetEffectiveClientArea(LPRECT lprectBorder, HMONITOR hmon) { // // Cache the work area if // (1) this is the very first call // (2) cached value is blew off by WM_SIZE (in _OnSize) // if (hmon) { GetMonitorWorkArea(hmon, lprectBorder); } else { if (::IsRectEmpty(&_rcWorkArea)) { ::SystemParametersInfo(SPI_GETWORKAREA, 0, &_rcWorkArea, 0); } *lprectBorder = _rcWorkArea; } _SubtractBottommostTray(lprectBorder); MapWindowPoints(NULL, _pbbd->_hwnd, (LPPOINT)lprectBorder, 2); return S_OK; } BOOL EqualRects(LPRECT prcNew, LPRECT prcOld, int nRects) { int i; for (i = 0; i < nRects; i++) if (!EqualRect(&prcNew[i], &prcOld[i])) return FALSE; return TRUE; } // // When Snap-To-Grid is on, we want to reduce the size of gutter space around the primary monitor. // We achieve that by adding a few pixels to the grid size sothat the gutter size left out is // as small as possible. // Note: This is currently done only for Desktop listview. // // fMinimizeCutterSpace == FALSE => Nothing to do. Just return. // fMinimizeGutterSpace == TRUE => We calculate and set the icon spacing so as to minimize gutter. // void UpdateGridSizes(BOOL fDesktop, HWND hwndListview, int nWorkAreas, LPRECT prcWork, BOOL fMinimizeGutterSpace) { if(!fDesktop) //If this is not desktop, we do not change any of this. return; // Trying to reset the icon spacing to system icon spacing results in ReComputing everything. // So, just return without doing anything! if(!fMinimizeGutterSpace) return; //If we don't have to minimize the gutter space, nothing to do! int cxSysIconSpacing = GetSystemMetrics(SM_CXICONSPACING); if (cxSysIconSpacing <= 0) cxSysIconSpacing = 1; // avoid div0 int cySysIconSpacing = GetSystemMetrics(SM_CYICONSPACING); if (cySysIconSpacing <= 0) cySysIconSpacing = 1; // avoid div0 int cxNewIconSpacing = 0, cyNewIconSpacing = 0; RECT rcWorkAreas[LV_MAX_WORKAREAS]; //If the work areas are not given, we need to get them. if(prcWork == NULL) { prcWork = &rcWorkAreas[0]; ListView_GetNumberOfWorkAreas(hwndListview, &nWorkAreas); if(nWorkAreas > 0) ListView_GetWorkAreas(hwndListview, nWorkAreas, prcWork); else ListView_GetViewRect(hwndListview, prcWork); } //Get the primary work area. for(int iPrimary = 0; iPrimary < nWorkAreas; iPrimary++) { //LATER: Is this check enough! What about when tray is at the top or left? if((prcWork[iPrimary].left == 0) && (prcWork[iPrimary].top == 0)) break; } if(iPrimary == nWorkAreas) iPrimary = 0; //Assume that the first work area is primary work area. //Find the number of columns based on current system horizontal icon spacing. int nCols = (prcWork[iPrimary].right - prcWork[iPrimary].left)/cxSysIconSpacing; if (nCols <= 0) nCols = 1; // avoid div0 //Divide the remaining pixels and add them to each column to minimize the reminder area. cxNewIconSpacing = cxSysIconSpacing + ((prcWork[iPrimary].right - prcWork[iPrimary].left)%cxSysIconSpacing)/nCols; if (cxNewIconSpacing <= 0) cxNewIconSpacing = 1; // avoid div0 //Find the number of Rows based on current system vertical icon spacing. int nRows = (prcWork[iPrimary].bottom - prcWork[iPrimary].top)/cySysIconSpacing; if (nRows <= 0) nRows = 1; // avoid div0 //Divide the remaining pixles and add them to each row to minimize the reminder area. cyNewIconSpacing = cySysIconSpacing + ((prcWork[iPrimary].bottom - prcWork[iPrimary].top)%cySysIconSpacing)/nRows; if (cyNewIconSpacing <= 0) cyNewIconSpacing = 1; // avoid div0 //Set the new icon spacing to the desktop's listview. ListView_SetIconSpacing(hwndListview, cxNewIconSpacing, cyNewIconSpacing); } void CDesktopBrowser::_SetWorkAreas(int nWorkAreas, LPRECT prcWork) { RECT rcListViewWork[LV_MAX_WORKAREAS]; RECT rcNewWork[LV_MAX_WORKAREAS]; int nListViewWork = 0; HWND hwndList; int i; ASSERT(prcWork); ASSERT(nWorkAreas <= LV_MAX_WORKAREAS); ASSERT(nWorkAreas > 0); if (nWorkAreas <= 0) return; if (SHIsTempDisplayMode()) return; hwndList = _GetDesktopListview(); ASSERT(IsWindow(hwndList)); ListView_GetNumberOfWorkAreas(hwndList, &nListViewWork); BOOL fUpgradeGridSize = (BOOL)((ListView_GetExtendedListViewStyle(hwndList)) & LVS_EX_SNAPTOGRID); BOOL fRedraw = FALSE; if (nListViewWork > 0) { ListView_GetWorkAreas(hwndList, nListViewWork, rcListViewWork); // Map these rects back to DESKTOP coordinate // We need to convert the following only if WorkAreas > 1 if (nListViewWork > 1) { // [msadek]; MapWindowPoints() is mirroring-aware only if you pass two points for(i = 0; i < nListViewWork; i++) { MapWindowPoints(hwndList, HWND_DESKTOP, (LPPOINT)(&rcListViewWork[i]), 2); } } if(nListViewWork == nWorkAreas && EqualRects(prcWork, rcListViewWork, nWorkAreas)) return; } else if (_nOldWork > 1) // In single monitor case, listview workares always starts from (0,0) // It will be wrong to set the persisted workarea. { for (nListViewWork = 0; nListViewWork < (int)_nOldWork && nListViewWork < LV_MAX_WORKAREAS; nListViewWork++) CopyRect(&rcListViewWork[nListViewWork], &_rcOldWorkAreas[nListViewWork]); // This may not be needed, because at this point, ListView is in Desktop coordinate // [msadek]; MapWindowPoints() is mirroring-aware only if you pass two points for(i = 0; i < nListViewWork; i++) { MapWindowPoints(HWND_DESKTOP, hwndList, (LPPOINT)(&rcListViewWork[i]), 2); } //Before setting the WorkAreas, change the grid-size if needed. if(fUpgradeGridSize) { // We set the grid size based on the new work area. This way Recycle-Bin gets snapped // to the correct location just once and we don't need to change it later. SendMessage(hwndList, WM_SETREDRAW, FALSE, 0); fRedraw = TRUE; UpdateGridSizes(TRUE, hwndList, nWorkAreas, prcWork, TRUE); fUpgradeGridSize = FALSE; //Don't need to do it again! } // This call to SetWorkAreas sets the old work areas in the listview, which is not persisted there. ListView_SetWorkAreas(hwndList, nListViewWork, rcListViewWork); } //Make a copy of the new work area array because it gets modified by // the MapWindowPoints below. for(i = 0; i < nWorkAreas; i++) rcNewWork[i] = *(prcWork + i); // It's already in ListView coordinate if we just have one monitor if (nWorkAreas > 1) { for(i = 0; i < nWorkAreas; i++) { MapWindowPoints(HWND_DESKTOP, hwndList, (LPPOINT)(&prcWork[i]), 2); } } //Because the work areas change, update the grid size to reduce the gutter area. if(fUpgradeGridSize) //If we haven't done already! { SendMessage(hwndList, WM_SETREDRAW, FALSE, 0); fRedraw = TRUE; UpdateGridSizes(TRUE, hwndList, nWorkAreas, prcWork, TRUE); } // We need to set the new work area before we call AdjustDesktopComponents below // because that function results in a refresh and that ends up setting // the work areas again to the same values. ListView_SetWorkAreas(hwndList, nWorkAreas, prcWork); if (fRedraw) SendMessage(hwndList, WM_SETREDRAW, TRUE, 0); if (nWorkAreas == 1) MapWindowPoints(hwndList, HWND_DESKTOP, (LPPOINT)rcNewWork, 2 * nWorkAreas); //Move and size desktop components based on the new work areas. AdjustDesktopComponents((LPCRECT)rcNewWork, nWorkAreas, (LPCRECT)_rcOldMonitors, (LPCRECT)_rcOldWorkAreas, _nOldWork); // Backup the new Monitor rect's in _rcOldMonitors for (i = 0; i < _nMonitors; i++) { GetMonitorRect(_hMonitors[i], &_rcOldMonitors[i]); } // Backup the new workareas in _rcOldWorkAreas for (i = 0; i < nWorkAreas; i++) { _rcOldWorkAreas[i] = rcNewWork[i]; } _nOldWork = nWorkAreas; static const LPTSTR lpszSubkey = TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ScreenResFixer"); static const LPTSTR lpszValue = TEXT("AdjustRecycleBinPosition"); //Check if we need to change the recycle bin position because of this work-area change // 0 => Recycle-bin hasn't been positioned because of resolution fixer. // 1 => Recycle-bin needs to be repositioned. It has't happened yet! // 2 => Recycle-bin has already been re-positioned. Nothing needs to be done here! DWORD dwAdjustPos = 2; //Assume that Recycle-bin has been already positioned. DWORD dwSize = sizeof(dwAdjustPos); SHRegGetUSValue(lpszSubkey, lpszValue, NULL, &dwAdjustPos, &dwSize, FALSE, &dwAdjustPos, dwSize); //If the AdjustRecycleBinPosition value has 1, that means we need to reposition recyclebin. if(dwAdjustPos == 1) { //Move the recycle-bin to default position SendMessage(_pbbd->_hwndView, WM_DSV_ADJUSTRECYCLEBINPOSITION, 0, 0); dwAdjustPos = 2; //We have moved this just now! No need to move it anymore! SHRegSetUSValue(lpszSubkey, lpszValue, REG_DWORD, &dwAdjustPos, sizeof(dwAdjustPos), SHREGSET_HKCU | SHREGSET_FORCE_HKCU); } } // Get all the view border rectangles (not including toolbars) for the monitors // this is used for multi-monitor case only. void CDesktopBrowser::_GetViewBorderRects(int nRects, LPRECT prcBorders) { int iMon; HMONITOR hmonTray; Tray_GetHMonitor(_hwndTray, &hmonTray); for (iMon = 0; iMon < min(_nMonitors, nRects); iMon++) { GetMonitorWorkArea(_hMonitors[iMon], &prcBorders[iMon]); if (hmonTray == _hMonitors[iMon]) { _SubtractBottommostTray(&prcBorders[iMon]); #ifdef FEATURE_STARTPAGE if (_hwndStartPage) { SetWindowPos(_hwndStartPage, NULL, prcBorders[iMon].left, prcBorders[iMon].top, RECTWIDTH(prcBorders[iMon]), RECTHEIGHT(prcBorders[iMon]), SWP_NOACTIVATE | SWP_NOZORDER); } #endif } // Extract the border taken by all "frame" toolbars for (int itb=0; itb < _pbsInner->_GetToolbarCount(); itb++) { LPTOOLBARITEM ptbi = _pbsInner->_GetToolbarItem(itb); if (ptbi && ptbi->hMon == _hMonitors[iMon]) { prcBorders[iMon].left += ptbi->rcBorderTool.left; prcBorders[iMon].top += ptbi->rcBorderTool.top; prcBorders[iMon].right -= ptbi->rcBorderTool.right; prcBorders[iMon].bottom -= ptbi->rcBorderTool.bottom; } } } } HRESULT CDesktopBrowser::_UpdateViewRectSize() { HWND hwndView = _pbbd->_hwndView; if (!hwndView && ((hwndView = _pbbd->_hwndViewPending) == NULL)) return S_FALSE; _pbsInner->_UpdateViewRectSize(); if (_nMonitors <= 1) { RECT rcView, rcWork; GetViewRect(&rcView); rcWork.top = rcWork.left = 0; rcWork.right = RECTWIDTH(rcView); rcWork.bottom = RECTHEIGHT(rcView); #ifdef FEATURE_STARTPAGE if (_hwndStartPage) { SetWindowPos(_hwndStartPage, NULL, rcWork.left, rcWork.top, RECTWIDTH(rcWork), RECTHEIGHT(rcWork), SWP_NOACTIVATE | SWP_NOZORDER); } #endif _SetWorkAreas(1, &rcWork); } else { RECT rcWorks[LV_MAX_WORKAREAS]; _GetViewBorderRects(_nMonitors, rcWorks); _SetWorkAreas(_nMonitors, rcWorks); } return S_OK; } void CDesktopBrowser::_SetViewArea() { // // Invalidate the cached work area size // ::SetRectEmpty(&_rcWorkArea); v_ShowHideChildWindows(FALSE); } // we get called here when new drives come and go; // things like net connections, hot insertions, etc. void _OnDeviceBroadcast(HWND hwnd, ULONG_PTR code, DEV_BROADCAST_HDR *pbh) { // do a bunch of this stuff here in desktop so it only happens // once... switch (code) { case DBT_DEVICEREMOVECOMPLETE: // drive or media went away case DBT_DEVICEARRIVAL: // new drive or media (or UNC) has arrived case DBT_DEVICEQUERYREMOVE: // drive or media about to go away case DBT_DEVICEQUERYREMOVEFAILED: // drive or media didn't go away { BOOL fFilteredOut = FALSE; // Don't process if we are being shutdown... if (!IsWindowVisible(hwnd)) break; // Filter this one out if (DBT_DEVICEARRIVAL == code) { if (DBT_DEVTYP_NET == pbh->dbch_devicetype) { LPITEMIDLIST pidl; // Tell the hood to update as things have probably changed! // PERF: this can be slow in the case of the nethood FS folder // no longer exists. this hangs the desktop/tray. this is a robustness bug if (SUCCEEDED(SHGetSpecialFolderLocation(NULL, CSIDL_NETHOOD, &pidl))) { SHChangeNotify(SHCNE_UPDATEDIR, SHCNF_IDLIST, pidl, NULL); SHFree(pidl); } // use UNCToNetID(loop if (pbn->dbcn_resource) fFilteredOut = TRUE; } } if (!fFilteredOut) { CMountPoint::HandleWMDeviceChange(code, pbh); } break; } } } // Note: this overrides the one in CBaseBrowser HRESULT CDesktopBrowser::GetViewRect(RECT* prc) { // // Check if we are on a multiple-monitor system. In multiple monitors the // view needs to cover all displays (ie the size of _pbbd->_hwnd) while on // single-monitor systems the view just needs to cover the work area (like // in Win95). // if (_nMonitors <= 1) _pbsInner->GetViewRect(prc); else GetClientRect(_pbbd->_hwnd, prc); return S_OK; } HRESULT CDesktopBrowser::ReleaseShellView() { _SaveState(); return _pbsInner->ReleaseShellView(); } void CDesktopBrowser::_ViewChange(DWORD dwAspect, LONG lindex) { // do nothing here... } void CDesktopBrowser::_SaveDesktopToolbars() { IStream * pstm = GetDesktopViewStream(STGM_WRITE, TEXT("Toolbars")); if (pstm) { _pbsInner->_SaveToolbars(pstm); pstm->Release(); } } void CDesktopBrowser::_SaveState() { // save off the Recycle Bin information to the registry SaveRecycleBinInfo(); if (!SHRestricted(REST_NOSAVESET) && _pbbd->_psv) { if (0 == GetSystemMetrics(SM_CLEANBOOT)) { FOLDERSETTINGS fs; _pbbd->_psv->GetCurrentInfo(&fs); IPropertyBag* ppb; if (SUCCEEDED(GetPropertyBag(SHGVSPB_PERUSER | SHGVSPB_PERFOLDER, IID_PPV_ARG(IPropertyBag, &ppb)))) { SHPropertyBag_WriteInt(ppb, VS_PROPSTR_FFLAGS, fs.fFlags); ppb->Release(); } } _pbbd->_psv->SaveViewState(); _SaveDesktopToolbars(); } } HRESULT CDesktopBrowser::OnSize(WPARAM wParam) { if (wParam == SIZE_MINIMIZED) { TraceMsg(DM_TRACE, "c.dwp: Desktop minimized by somebody!"); // Put it back. ShowWindow(_pbbd->_hwnd, SW_RESTORE); } _SetViewArea(); return S_OK; } HRESULT CDesktopBrowser::OnDestroy() { TraceMsg(DM_SHUTDOWN, "cdtb._od (WM_DESTROY)"); if (_uNotifyID) { SHChangeNotifyDeregister(_uNotifyID); _uNotifyID = 0; } if (_hwndRaised) DestroyWindow(_hwndRaised); // get rid of the scheduler and the desktop tasks if (_psched) { _psched->RemoveTasks(TOID_Desktop, 0, TRUE); ATOMICRELEASE(_psched); } _pbsInner->OnDestroy(); _pbsInner->_CloseAndReleaseToolbars(TRUE); return S_OK; } #define DM_SWAP DM_TRACE void CDesktopBrowser::_SwapParents(HWND hwndOldParent, HWND hwndNewParent) { HWND hwnd = ::GetWindow(hwndOldParent, GW_CHILD); while (hwnd) { // // Note that we must get the next sibling BEFORE we set the new // parent. // HWND hwndNext = ::GetWindow(hwnd, GW_HWNDNEXT); ::SetParent(hwnd, hwndNewParent); hwnd = hwndNext; } } LRESULT CDesktopBrowser::RaisedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { CDesktopBrowser *psb = (CDesktopBrowser*)GetWindowLongPtr(hwnd, 0); return psb->_RaisedWndProc(uMsg, wParam, lParam); } LRESULT CDesktopBrowser::_RaisedWndProc(UINT uMsg, WPARAM wParam, LPARAM lParam) { switch (uMsg) { case WM_ACTIVATE: #ifdef FEATURE_STARTPAGE // HACK : Replace this with Focus management when DUI resolves their issue. if (_hwndStartPage) SendMessage(_hwndStartPage, WM_USER + 107, wParam, lParam); #endif break; case WM_SIZE: if (wParam == SIZE_MINIMIZED) ShowWindow(_hwndRaised, SW_RESTORE); break; case WM_NOTIFY: case WM_ERASEBKGND: goto SendToDesktop; default: if (uMsg >= WM_USER) { SendToDesktop: return SendMessage(_pbbd->_hwnd, uMsg, wParam, lParam); } else { return ::SHDefWindowProc(_hwndRaised, uMsg, wParam, lParam); } } return 0; } void CDesktopBrowser::_Raise() { RECT rc; HWND hwndDesktop = GetDesktopWindow(); BOOL fLocked; HWND hwndLastActive = GetLastActivePopup(_pbbd->_hwnd); if (SHIsRestricted(NULL, REST_NODESKTOP)) return; if (hwndLastActive != _pbbd->_hwnd) { SetForegroundWindow(hwndLastActive); return; } if (!_hwndRaised) _hwndRaised = SHCreateWorkerWindow(RaisedWndProc, NULL, WS_EX_TOOLWINDOW, WS_POPUP | WS_CLIPCHILDREN, NULL, this); //SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0); //rc.left = 0; // need to always start from 0, 0 to get the wallpaper centered right //rc.top = 0; fLocked = LockWindowUpdate(hwndDesktop); _SwapParents(_pbbd->_hwnd, _hwndRaised); // set the view window to the bottom of the z order SetWindowPos(_pbbd->_hwndView, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); GetWindowRect(_pbbd->_hwnd, &rc); SetWindowPos(_hwndRaised, HWND_TOP, rc.left, rc.top, RECTWIDTH(rc), RECTHEIGHT(rc), SWP_SHOWWINDOW); SetForegroundWindow(_hwndRaised); if (fLocked) LockWindowUpdate(NULL); THR(RegisterDragDrop(_hwndRaised, (IDropTarget *)this)); #ifdef FEATURE_STARTPAGE if (_hwndStartPage) SetFocus(_hwndStartPage); else #endif SetFocus(_pbbd->_hwndView); //SetWindowPos(_hwndTray, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOMOVE); _fRaised = TRUE; } void CDesktopBrowser::_Lower() { BOOL fLocked; fLocked = LockWindowUpdate(_hwndRaised); _SwapParents(_hwndRaised, _pbbd->_hwnd); // set the view window to the bottom of the z order SetWindowPos(_pbbd->_hwndView, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); ShowWindow(_hwndRaised, SW_HIDE); if (fLocked) LockWindowUpdate(NULL); RevokeDragDrop(_hwndRaised); _fRaised = FALSE; } void CDesktopBrowser::_OnRaise(WPARAM wParam, LPARAM lParam) { VARIANTARG vaIn; VariantInit(&vaIn); vaIn.vt = VT_I4; vaIn.lVal = (DWORD) lParam; switch (lParam) { case DTRF_RAISE: _Raise(); _ExecChildren(NULL, TRUE, &CGID_ShellDocView, SHDVID_RAISE, 0, &vaIn, NULL); break; case DTRF_LOWER: _ExecChildren(NULL, TRUE, &CGID_ShellDocView, SHDVID_RAISE, 0, &vaIn, NULL); _Lower(); break; } VariantClear(&vaIn); if (!wParam) { wParam = (WPARAM)_hwndTray; } PostMessage((HWND)wParam, TM_DESKTOPSTATE, 0, _fRaised ? DTRF_RAISE : DTRF_LOWER); } BOOL CDesktopBrowser::_QueryHKCRChanged(HWND hwnd, DWORD *pdwCookie) { // we assume that the key has changed if // we were unable to init correctly BOOL fRet = TRUE; ASSERT(pdwCookie); if (_cChangeEvents) { DWORD dw = WaitForMultipleObjects(_cChangeEvents, _rghChangeEvents, FALSE, 0); dw -= WAIT_OBJECT_0; // Note: Since "dw" is a DWORD, an underflow in the line above // will result in dw becoming a huge value, so the test below will // fail. if (dw < _cChangeEvents) { // this means the key changed... ResetEvent(_rghChangeEvents[dw]); _dwChangeCookie = GetTickCount(); PostMessage(hwnd, DTM_SETUPAPPRAN, 0, NULL); } // // if nothing has changed yet, or if nothing has changed // since the client last checked, // than this client doesnt need to update its cache // if (!_dwChangeCookie || (*pdwCookie && *pdwCookie == _dwChangeCookie)) fRet = FALSE; // update the cookie *pdwCookie = _dwChangeCookie; } return fRet; } // This msg gets posted to us after a setup application runs so that we can // fix things up. void CDesktopBrowser::_SetupAppRan(WPARAM wParam, LPARAM lParam) { // Lotus 123R5 sometimes gets confused when installing over IE4 and // they leave their country setting blank. Detect this case and put // in USA so that they at least boot. { TCHAR szPath[MAX_PATH]; GetWindowsDirectory(szPath, ARRAYSIZE(szPath)); if (PathAppend(szPath, TEXT("123r5.ini")) && PathFileExistsAndAttributes(szPath, NULL)) { TCHAR szData[100]; GetPrivateProfileString(TEXT("Country"), TEXT("driver"), TEXT(""), szData, ARRAYSIZE(szData), TEXT("123r5.ini")); if (!szData[0]) { WritePrivateProfileString(TEXT("Country"), TEXT("driver"), TEXT("L1WUSF"), TEXT("123r5.ini")); } } } // this location in the registry is a good place to cache info // that needs to be invalided once SHDeleteKey(HKEY_CURRENT_USER, STRREG_DISCARDABLE STRREG_POSTSETUP); HKEY hk = SHGetShellKey(SHELLKEY_HKCULM_MUICACHE, NULL, FALSE); if (hk) { SHDeleteKeyA(hk, NULL); RegCloseKey(hk); } // Take this opportunity to freshen our component categories cache: IShellTaskScheduler* pScheduler ; if(SUCCEEDED(CoCreateInstance(CLSID_SharedTaskScheduler, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IShellTaskScheduler, &pScheduler)))) { #ifdef _WIN64 // Before creating 64-bit component cache, we should delete the 32-bit cache, // because we used to erroneously cache 64-bit components in the 32-bit cache, // and it won't get rebuilt with correc 32-bit components unless we delete it now. SHDeleteKey(HKEY_CURRENT_USER, STRREG_DISCARDABLE STRREG_POSTSETUP TEXT("\\Component Categories")); #endif IRunnableTask* pTask ; if(SUCCEEDED(CoCreateInstance(CLSID_ComCatCacheTask, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IRunnableTask, &pTask)))) { pScheduler->AddTask(pTask, CLSID_ComCatCacheTask, 0L, ITSAT_DEFAULT_PRIORITY); pTask->Release(); // Scheduler has AddRef'd him } if (SUCCEEDED(CTaskEnumHKCR_Create(&pTask))) { pScheduler->AddTask(pTask, CLSID_QueryAssociations, 0L, ITSAT_DEFAULT_PRIORITY); pTask->Release(); // Scheduler has AddRef'd him } pScheduler->Release(); // OK to release global task scheduler. } // We get this notification from the OS that a setup app ran. // Legacy app support for freshly written entries under [extensions] section; // Scoop these up and shove into registry. (re: bug 140986) CheckWinIniForAssocs(); } //----------------------------------------------------------------------------- struct propagatemsg { UINT uMsg; WPARAM wParam; LPARAM lParam; BOOL fSend; }; BOOL PropagateCallback(HWND hwndChild, LPARAM lParam) { struct propagatemsg *pmsg = (struct propagatemsg*)lParam; if (pmsg->fSend) SendMessage(hwndChild, pmsg->uMsg, pmsg->wParam, pmsg->lParam); else PostMessage(hwndChild, pmsg->uMsg, pmsg->wParam, pmsg->lParam); return TRUE; } void PropagateMessage(HWND hwndParent, UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL fSend) { if (!hwndParent) return; struct propagatemsg msg = { uMsg, wParam, lParam, fSend }; EnumChildWindows(hwndParent, PropagateCallback, (LPARAM)&msg); } void CDesktopBrowser::v_PropagateMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL fSend) { // WARNING: We can't propagate the message to a NULL hwnd because it will // turn into a broadcast. This will come back to us and we will re-send it // causing an infinite loop. BryanSt. if (_fRaised && _hwndRaised) PropagateMessage(_hwndRaised, uMsg, wParam, lParam, fSend); else if (_pbbd->_hwnd) PropagateMessage(_pbbd->_hwnd, uMsg, wParam, lParam, fSend); } //*** // NOTES // in the tray case, we actually do SetFocus etc. HRESULT CDesktopBrowser::v_MayGetNextToolbarFocus(LPMSG lpMsg, UINT itbCur, int citb, LPTOOLBARITEM * pptbi, HWND * phwnd) { HRESULT hr; // _fTrayHack? if (itbCur == ITB_VIEW) { if (citb == -1) { TraceMsg(DM_FOCUS, "cdtb.v_mgntf: ITB_VIEW,-1 => tray"); goto Ltray; } } hr = _pbsInner->v_MayGetNextToolbarFocus(lpMsg, itbCur, citb, pptbi, phwnd); TraceMsg(DM_FOCUS, "cdtb.v_mgntf: SUPER hr=%x", hr); if (SUCCEEDED(hr)) { // S_OK: we got and handled a candidate // S_FALSE: we got a candidate and our parent will finish up ASSERT(hr != S_OK); // currently never happens (but should work) return hr; } // E_xxx: no candidate ASSERT(citb == 1 || citb == -1); *pptbi = NULL; if (citb == 1) { Ltray: *phwnd = _hwndTray; // AndyP REVIEW: why do we do this here instead of overriding // _SetFocus and letting commonsb call that function? Sure, this // is one less override, but why have different code paths? SendMessage(_hwndTray, TM_UIACTIVATEIO, TRUE, citb); return S_OK; } else { //Lview: *phwnd = _pbbd->_hwndView; return S_FALSE; } /*NOTREACHED*/ ASSERT(0); } // // NOTE: Please think before calling this function, in a multi-monitor system this function // returns TRUE if you are within a certain edge for any monitor, so puEdge means puEdge // of a certain monitor instead of the whole desktop. -- dli // BOOL CDesktopBrowser::_PtOnDesktopEdge(POINTL* ppt, LPUINT puEdge) { RECT rcMonitor; POINT pt = {ppt->x, ppt->y}; HMONITOR hMon = MonitorFromPoint(pt, MONITOR_DEFAULTTONULL); // We got this point from drop, so it definitely should belong to a valid monitor -- dli ASSERT(hMon); GetMonitorRect(hMon, &rcMonitor); // if it's near/on the edge on this monitor if (ppt->x < rcMonitor.left + g_cxEdge) { *puEdge = ABE_LEFT; } else if (ppt->x > rcMonitor.right - g_cxEdge) { *puEdge = ABE_RIGHT; } else if (ppt->y < rcMonitor.top + g_cyEdge) { *puEdge = ABE_TOP; } else if (ppt->y > rcMonitor.bottom - g_cyEdge) { *puEdge = ABE_BOTTOM; } else { *puEdge = (UINT)-1; return FALSE; } return TRUE; } UINT g_cfDeskBand = 0; HRESULT CDesktopBrowser::DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect) { ASSERT(pdtobj); if (!g_cfDeskBand) g_cfDeskBand = RegisterClipboardFormat(TEXT("DeskBand")); FORMATETC fmte = { (CLIPFORMAT) g_cfDeskBand, NULL, 0, -1, TYMED_ISTREAM}; if (pdtobj->QueryGetData(&fmte) == S_OK) { _dwEffectOnEdge = DROPEFFECT_COPY | DROPEFFECT_MOVE; } else { _dwEffectOnEdge = DROPEFFECT_NONE; } _grfKeyState = grfKeyState; HRESULT hr; if (_pdtInner) hr = _pdtInner->DragEnter(pdtobj, grfKeyState, ptl, pdwEffect); else { DAD_DragEnterEx3(_pbbd->_hwndView, ptl, pdtobj); hr = S_OK; } return hr; } HRESULT CDesktopBrowser::DragOver(DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect) { HRESULT hr = S_OK; DAD_DragMoveEx(_pbbd->_hwndView, ptl); _grfKeyState = grfKeyState; if (_dwEffectOnEdge != DROPEFFECT_NONE) { *pdwEffect &= _dwEffectOnEdge; return S_OK; } if (_pdtInner) hr = _pdtInner->DragOver(grfKeyState, ptl, pdwEffect); return hr; } HRESULT DeskBarApp_Create(IUnknown** ppunkBar, IUnknown** ppunkBandSite) { IDeskBar* pdb; HRESULT hres = CoCreateInstance(CLSID_DeskBarApp, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IDeskBar, &pdb)); *ppunkBar = pdb; if (SUCCEEDED(hres)) { pdb->GetClient(ppunkBandSite); } return hres; } //*** // ENTRY/EXIT // hres AddBand result on success; o.w. failure code // NOTES // n.b. on success we *must* return AddBand's hres (which is a dwBandID) HRESULT CDesktopBrowser::_CreateDeskBarForBand(UINT uEdge, IUnknown *punk, POINTL *pptl, IBandSite **ppbsOut) { IBandSite *pbs; IUnknown *punkBar; IUnknown *punkBandSite; HRESULT hres; #ifdef DEBUG HRESULT hresRet = -1; #endif if (ppbsOut) *ppbsOut = NULL; hres = DeskBarApp_Create(&punkBar, &punkBandSite); if (SUCCEEDED(hres)) { IDockingBarPropertyBagInit* ppbi; if (SUCCEEDED(CoCreateInstance(CLSID_CDockingBarPropertyBag, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IDockingBarPropertyBagInit, &ppbi)))) { if ((UINT)uEdge != -1) { ppbi->SetDataDWORD(PROPDATA_MODE, WBM_BOTTOMMOST); ppbi->SetDataDWORD(PROPDATA_SIDE, uEdge); } else { ppbi->SetDataDWORD(PROPDATA_MODE, WBM_FLOATING); } ppbi->SetDataDWORD(PROPDATA_X, pptl->x); ppbi->SetDataDWORD(PROPDATA_Y, pptl->y); IPropertyBag * ppb; if (SUCCEEDED(ppbi->QueryInterface(IID_PPV_ARG(IPropertyBag, &ppb)))) { SHLoadFromPropertyBag(punkBar, ppb); punkBandSite->QueryInterface(IID_PPV_ARG(IBandSite, &pbs)); if (pbs) { hres = pbs->AddBand(punk); #ifdef DEBUG hresRet = hres; #endif AddToolbar(punkBar, L"", NULL); if (ppbsOut) { // IUnknown_Set (sort of...) *ppbsOut = pbs; (*ppbsOut)->AddRef(); } pbs->Release(); if (_fRaised) { VARIANTARG vaIn = { 0 }; vaIn.vt = VT_I4; vaIn.lVal = DTRF_RAISE; ASSERT(punkBar != NULL); // o.w. we'd do a broadcast _ExecChildren(punkBar, FALSE, &CGID_ShellDocView, SHDVID_RAISE, 0, &vaIn, NULL); } } ppb->Release(); } ppbi->Release(); } punkBandSite->Release(); punkBar->Release(); } ASSERT(hres == hresRet || FAILED(hres)); return hres; } HRESULT CDesktopBrowser::Drop(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect) { UINT uEdge; HRESULT hres = E_FAIL; if (((_PtOnDesktopEdge(&pt, &uEdge) && (_grfKeyState & MK_LBUTTON)) || (_dwEffectOnEdge != DROPEFFECT_NONE)) && !SHRestricted(REST_NOCLOSE_DRAGDROPBAND)) { // if the point is on the edge of the desktop and the item dropped was // a single url object, then create a webbar // TODO: (reuse) w/ a little restructuring we might share this code // w/ CBandSite::Drop etc. FORMATETC fmte = {(CLIPFORMAT)g_cfDeskBand, NULL, 0, -1, TYMED_ISTREAM}; STGMEDIUM stg; LPITEMIDLIST pidl; IUnknown* punk = NULL; // we can move a band from bar to bar, but we can only copy or link a folder // because the creation of a band relies on the source still abeing there if ((*pdwEffect & (DROPEFFECT_COPY | DROPEFFECT_MOVE)) && SUCCEEDED(pdtobj->GetData(&fmte, &stg))) { // this is a drag of a band from another bar, create it! hres = OleLoadFromStream(stg.pstm, IID_PPV_ARG(IUnknown, &punk)); if (SUCCEEDED(hres)) { if (*pdwEffect & DROPEFFECT_COPY) *pdwEffect = DROPEFFECT_COPY; else *pdwEffect = DROPEFFECT_MOVE; } ReleaseStgMedium(&stg); } else if ((*pdwEffect & (DROPEFFECT_COPY | DROPEFFECT_LINK)) && SUCCEEDED(SHPidlFromDataObject(pdtobj, &pidl, NULL, 0))) { hres = SHCreateBandForPidl(pidl, &punk, (grfKeyState & (MK_CONTROL | MK_SHIFT)) == (MK_CONTROL | MK_SHIFT)); ILFree(pidl); if (SUCCEEDED(hres)) { if (*pdwEffect & DROPEFFECT_LINK) *pdwEffect = DROPEFFECT_LINK; else *pdwEffect = DROPEFFECT_COPY; } } if (SUCCEEDED(hres)) { if (punk) { BOOL fCreateRebarWindow = TRUE; IDeskBandEx* pdbex; if (SUCCEEDED(punk->QueryInterface(IID_PPV_ARG(IDeskBandEx, &pdbex)))) { fCreateRebarWindow = (pdbex->MoveBand() == S_OK) ? TRUE : FALSE; pdbex->Release(); } if (fCreateRebarWindow) { IBandSite *pbs; hres = _CreateDeskBarForBand(uEdge, punk, &pt, &pbs); if (SUCCEEDED(hres)) { DWORD dwState = IDataObject_GetDeskBandState(pdtobj); pbs->SetBandState(ShortFromResult(hres), BSSF_NOTITLE, dwState & BSSF_NOTITLE); pbs->Release(); } punk->Release(); } } IDropTarget *pdtView; HRESULT hr = E_FAIL; //Get the view's drop target if (_pbbd->_psv) { hr = _pbbd->_psv->QueryInterface(IID_PPV_ARG(IDropTarget, &pdtView)); if (SUCCEEDED(hr)) { pdtView->DragLeave(); pdtView->Release(); } } return hres; } // if we failed, pass this on to our child. // this allows things like d/d of wallpaper to the edge to do // right thing } if (_pdtInner) hres = _pdtInner->Drop(pdtobj, grfKeyState, pt, pdwEffect); return hres; } BOOL _GetToken(LPCTSTR *ppszCmdLine, LPTSTR szToken, UINT cchMax) { LPCTSTR pszCmdLine = *ppszCmdLine; TCHAR chTerm = ' '; if (*pszCmdLine == TEXT('"')) { chTerm = TEXT('"'); pszCmdLine++; } UINT ichToken = 0; TCHAR ch; while((ch=*pszCmdLine) && (ch != chTerm)) { if (ichToken < cchMax-1) { szToken[ichToken++] = ch; } pszCmdLine++; } szToken[ichToken] = TEXT('\0'); if (chTerm == TEXT('"') && ch == TEXT('"')) { pszCmdLine++; } // skip trailing spaces while(*pszCmdLine == TEXT(' ')) pszCmdLine++; *ppszCmdLine = pszCmdLine; TraceMsg(TF_SHDAUTO, "_GetToken returning %s (+%s)", szToken, pszCmdLine); return szToken[0]; } BOOL CDesktopBrowser::_OnCopyData(PCOPYDATASTRUCT pcds) { IETHREADPARAM *piei = SHCreateIETHREADPARAM(NULL, (ULONG)pcds->dwData, NULL, NULL); if (piei) { LPCWSTR pwszSrc = (LPCWSTR)pcds->lpData; LPCWSTR pwszDdeRegEvent = NULL; LPCWSTR pwszCloseEvent = NULL; DWORD cchSrc = pcds->cbData / sizeof(WCHAR); piei->uFlags = COF_NORMAL | COF_WAITFORPENDING | COF_IEXPLORE; // // Remember where the command line parameters are. // LPCWSTR pszCmd = pwszSrc; int cch = lstrlenW(pwszSrc) + 1; pwszSrc += cch; cchSrc -= cch; TraceMsg(TF_SHDAUTO, "CDB::_OnCopyData got %hs", pszCmd); // // Get the dde reg event name into piei->szDdeRegEvent. // // NOTE: this is now conditional because we now launch the channel band from the desktop // NOTE: as a fake WM_COPYDATA command if (cchSrc) { ASSERT(cchSrc); pwszDdeRegEvent = pwszSrc; StrCpyNW(piei->szDdeRegEvent, pwszSrc, ARRAYSIZE(piei->szDdeRegEvent)); cch = lstrlenW(pwszSrc) + 1; pwszSrc += cch; cchSrc -= cch; piei->uFlags |= COF_FIREEVENTONDDEREG; // // Get the name of the event to fire on close, if any. // if (cchSrc) { pwszCloseEvent = pwszSrc; StrCpyNW(piei->szCloseEvent, pwszSrc, ARRAYSIZE(piei->szCloseEvent)); cch = lstrlenW(pwszSrc) + 1; pwszSrc += cch; cchSrc -= cch; piei->uFlags |= COF_FIREEVENTONCLOSE; } } ASSERT(cchSrc == 0); if (pszCmd && pszCmd[0]) { // for compatibility with apps that spawn the browser with a command line // tell wininet to refresh its proxy settings. (this is particularly needed // for TravelSoft WebEx) MyInternetSetOption(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0); if (SHParseIECommandLine(&pszCmd, piei)) piei->uFlags |= COF_NOFINDWINDOW; if (pszCmd[0] && FAILED(_ConvertPathToPidlW(_pbsInner, _pbbd->_hwnd, pszCmd, &piei->pidl))) piei->pidl = NULL; } else { piei->fCheckFirstOpen = TRUE; } // SHOpenFolderWindow takes ownership of piei BOOL fRes = SHOpenFolderWindow(piei); if (!fRes) { // // Something went wrong creating the browser, // let's fire all the events ourselves. // if (pwszDdeRegEvent) FireEventSz(pwszDdeRegEvent); if (pwszCloseEvent) FireEventSz(pwszCloseEvent); } } else { TraceMsg(TF_WARNING, "OnCopyData unable to create IETHREADPARAM"); } return TRUE; } BOOL CDesktopBrowser::_InitScheduler(void) { if (!_psched) { // get the system background scheduler thread CoCreateInstance(CLSID_SharedTaskScheduler, NULL, CLSCTX_INPROC, IID_PPV_ARG(IShellTaskScheduler, &_psched)); } return (_psched != NULL); } HRESULT CDesktopBrowser::_AddDesktopTask(IRunnableTask *ptask, DWORD dwPriority) { if (_InitScheduler()) return _psched->AddTask(ptask, TOID_Desktop, 0, dwPriority); return E_FAIL; } void CDesktopBrowser::_OnAddToRecent(HANDLE hMem, DWORD dwProcId) { IRunnableTask *ptask; if (SUCCEEDED(CTaskAddDoc_Create(hMem, dwProcId, &ptask))) { _AddDesktopTask(ptask, ITSAT_DEFAULT_PRIORITY); ptask->Release(); } } // // local server handling // DWORD WINAPI _LocalServerThread(void *pv) { LOCALSERVERDATA *ptd = (LOCALSERVERDATA *)pv; CLSID clsid = *c_localServers[ptd->iLocalServer]; IUnknown *punk; if (SUCCEEDED(DllGetClassObject(clsid, IID_PPV_ARG(IUnknown, &punk)))) { DWORD dwReg; if (SUCCEEDED(CoRegisterClassObject(clsid, punk, CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &dwReg))) { __try { MSG msg; while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } } __except (EXCEPTION_EXECUTE_HANDLER) { // we only send the message on an exception, // because otherwise we got a WM_QUIT which // means the desktop is being destroyed. PostMessage(GetShellWindow(), CWM_CREATELOCALSERVER, FALSE, ptd->iLocalServer); } CoRevokeClassObject(dwReg); } } LocalFree(ptd); return 0; } DWORD WINAPI _SetThreadID(void *pv) { LOCALSERVERDATA *ptd = (LOCALSERVERDATA *)pv; *ptd->pdwThreadID = GetCurrentThreadId(); return 0; } STDAPI_(HWND) SCNGetWindow(BOOL fUseDesktop); LRESULT CDesktopBrowser::WndProcBS(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { INSTRUMENT_WNDPROC(SHCNFI_DESKTOP_WNDPROC, _pbbd->_hwnd, uMsg, wParam, lParam); ASSERT(IsWindowTchar(hwnd)); switch (uMsg) { #ifdef DEBUG case WM_QUERYENDSESSION: TraceMsg(DM_SHUTDOWN, "cdtb.wp: WM_QUERYENDSESSION"); goto DoDefault; #endif case WM_ENDSESSION: TraceMsg(DM_SHUTDOWN, "cdtb.wp: WM_ENDSESSION wP=%d lP=%d", wParam, lParam); if (wParam) { #ifdef DEBUG // call out inner an give him a chance to set _fMightBeShuttingDown so we // don't assert later on in the case where the system is shutting down _pbsInner->WndProcBS(hwnd, uMsg, wParam, lParam); #endif SHELLSTATE ss = {0}; // When we shut down, if the desktop is in WebView, we leave some temp // files undeleted because we never get the WM_DESTROY message below. // So, I just destroy the shellview which in turn destroys the temp // file here. Note: This is done only if we are in web view. SHGetSetSettings(&ss, SSF_DESKTOPHTML, FALSE); //Get the desktop_html flag if (ss.fDesktopHTML) { ReleaseShellView(); } g_pdtray->SetVar(SVTRAY_EXITEXPLORER, FALSE); // don't exit process // flush log before we exit if (StopWatchMode()) { StopWatchFlush(); } // Kill this window so that we free active desktop threads properly DestroyWindow(hwnd); } TraceMsg(DM_SHUTDOWN, "cdtb.wp: WM_ENDSESSION return 0"); break; case WM_ERASEBKGND: PaintDesktop((HDC)wParam); return 1; case WM_TIMER: switch (wParam) { case IDT_DDETIMEOUT: DDEHandleTimeout(_pbbd->_hwnd); break; case IDT_ENUMHKCR: KillTimer(_pbbd->_hwnd, IDT_ENUMHKCR); { IShellTaskScheduler* pScheduler ; if(SUCCEEDED(CoCreateInstance(CLSID_SharedTaskScheduler, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IShellTaskScheduler, &pScheduler)))) { IRunnableTask* pTask ; if (SUCCEEDED(CTaskEnumHKCR_Create(&pTask))) { pScheduler->AddTask(pTask, CLSID_QueryAssociations, 0L, ITSAT_DEFAULT_PRIORITY); pTask->Release(); // Scheduler has AddRef'd him } pScheduler->Release(); // OK to release global task scheduler. } } break; default: goto DoDefault; break; } break; case WM_SHELLNOTIFY: switch(wParam) { case SHELLNOTIFY_WALLPAPERCHANGED: // this is done only to the shell window when someone sets // the wall paper but doesn't specify to broadcast _pbsInner->ForwardViewMsg(uMsg, wParam, lParam); break; } break; case WM_PALETTECHANGED: case WM_QUERYNEWPALETTE: // // in Win95 the desktop wndproc will invalidate the shell window when // a palette change occurs so we didn't have to do anything here before // // in Nashville the desktop can be HTML and needs the palette messages // // so now we fall through and propagate... // case WM_ACTIVATEAPP: if (!_pbbd->_hwndView) goto DoDefault; return _pbsInner->ForwardViewMsg(uMsg, wParam, lParam); case WM_DEVICECHANGE: _pbsInner->ForwardViewMsg(uMsg, wParam, lParam); _OnDeviceBroadcast(_pbbd->_hwnd, wParam, (DEV_BROADCAST_HDR *)lParam); goto DoDefault; case WM_WINDOWPOSCHANGING: #define ppos ((LPWINDOWPOS)lParam) ppos->x = g_xVirtualScreen; ppos->y = g_yVirtualScreen; ppos->cx = g_cxVirtualScreen; ppos->cy = g_cyVirtualScreen; break; case WM_HOTKEY: // NOTE: forward hotkeys to the tray. This fixes the logitech mouseman who sends // NOTE: hotkeys directly to the desktop. // SPECIAL NOTE: the offset for GHID_FIRST is added because hotkeys that are sent to the // SPECIAL NOTE: desktop are not proper hotkeys generated from the keyboard, they are // SPECIAL NOTE: sent by an app, and the IDs have changed since win95.... ASSERT(g_hwndTray); ASSERT(wParam < GHID_FIRST); PostMessage(g_hwndTray, uMsg, wParam + GHID_FIRST, lParam); return 0; case WM_SYSCOMMAND: switch (wParam & 0xFFF0) { // NB Dashboard 1.0 sends a WM_SYSCOMMAND SC_CLOSE to the desktop when it starts up. // What it was trying to do was to close down any non-shell versions of Progman. The // proper shell version would just ignore the close. Under Chicago, they think that // the desktop is Progman and send it the close, so we put up the exit windows dialog! // Dashboard 2.0 has been fixed to avoid this bogisity. case SC_CLOSE: break; // America alive tries to minimise Progman after installing - they end up minimising // the desktop on Chicago! case SC_MINIMIZE: break; default: goto DoDefault; } break; case WM_SETCURSOR: // REVIEW: is this really needed? if (_iWaitCount) { SetCursor(LoadCursor(NULL, IDC_APPSTARTING)); return TRUE; } else goto DoDefault; case WM_CLOSE: SendMessage(_hwndTray, TM_DOEXITWINDOWS, 0, 0); return 0; // REVIEW: do we need this, can all of these cases be the same? case WM_DRAWITEM: case WM_MEASUREITEM: if (!_pbsInner->ForwardViewMsg(uMsg, wParam, lParam)) goto DoDefault; break; case WM_INITMENUPOPUP: case WM_ENTERMENULOOP: case WM_EXITMENULOOP: // let the fsview deal with any popup menus it created _pbsInner->ForwardViewMsg(uMsg, wParam, lParam); break; // Looking at messages to try to capture when the workarea may // have changed... case WM_DISPLAYCHANGE: lParam = 0; if (GetNumberOfMonitors() != _nMonitors) _InitMonitors(); // fall through case WM_WININICHANGE: _InitDesktopMetrics(wParam, (LPCTSTR)lParam); if (wParam == SPI_SETNONCLIENTMETRICS) { VARIANTARG varIn; VARIANTARG varOut = {0}; varIn.vt = VT_BOOL; varIn.boolVal = VARIANT_TRUE; _pctInner->Exec(&CGID_Explorer, SBCMDID_CACHEINETZONEICON, OLECMDEXECOPT_DODEFAULT , &varIn, &varOut); } if (lParam) { if (lstrcmpi((LPCTSTR)lParam, TEXT("Extensions")) == 0) { // Post a message to our selves so we can do more stuff // slightly delayed. PostMessage(hwnd, DTM_SETUPAPPRAN, 0, 0); } else if (lstrcmpi((LPCTSTR)lParam, TEXT("ShellState")) == 0) { // this should cover external apps changing // our settings. SHRefreshSettings(); } else { // SPI_GETICONTITLELONGFONT is broadcast from IE when the home page is changed. We look for that so // we can be sure to update the MyCurrentHomePage component. if((wParam == SPI_SETDESKWALLPAPER) || (wParam == SPI_SETDESKPATTERN) || (wParam == SPI_GETICONTITLELOGFONT)) { // Some desktop attribute has changed. So, regenerate desktop. if(lstrcmpi((LPCTSTR)lParam, TEXT("ToggleDesktop")) && lstrcmpi((LPCTSTR)lParam, TEXT("RefreshDesktop")) && lstrcmpi((LPCTSTR)lParam, TEXT("BufferedRefresh"))) { DWORD dwFlags = AD_APPLY_HTMLGEN | AD_APPLY_REFRESH; switch (wParam) { case SPI_SETDESKPATTERN: dwFlags |= (AD_APPLY_FORCE | AD_APPLY_DYNAMICREFRESH); break; case SPI_SETDESKWALLPAPER: dwFlags |= AD_APPLY_SAVE; break; case SPI_GETICONTITLELOGFONT: dwFlags |= AD_APPLY_FORCE; break; } PokeWebViewDesktop(dwFlags); // If we are not currently in ActiveDesktop Mode, then we need to set the dirty bit // sothat a new HTML file will be generated showing the new wallpaper, // the next time the active desktop is turned ON! if (wParam == SPI_SETDESKWALLPAPER) { SHELLSTATE ss = {0}; SHGetSetSettings(&ss, SSF_DESKTOPHTML, FALSE); //Get the desktop_html flag if (!ss.fDesktopHTML) SetDesktopFlags(COMPONENTS_DIRTY, COMPONENTS_DIRTY); } } } } } // control panel applet that allows users to change the // environment with-which to spawn new applications. On NT, we need // to pick up that environment change so that anything we spawn in // the future will pick up those updated environment values. // if (lParam && (lstrcmpi((LPTSTR)lParam, TEXT("Environment")) == 0)) { void *pv; RegenerateUserEnvironment(&pv, TRUE); } v_PropagateMessage(uMsg, wParam, lParam, TRUE); SetWindowPos(_pbbd->_hwnd, NULL, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOZORDER); if ((uMsg == WM_DISPLAYCHANGE) || (wParam == SPI_SETWORKAREA)) _SetViewArea(); SHSettingsChanged(wParam, lParam); break; case WM_SYSCOLORCHANGE: // // In memphis, when apps go into low-res mode, we get this message. We should not re-generate // desktop.htt in this scenario, or else the centered wallpaper gets messed up because we do not // get the message when the app exists and the resoultion goes up. So, we make the following check. // if(!SHIsTempDisplayMode()) OnDesktopSysColorChange(); //This is done sothat the defview can set the listview in proper //colors. _pbsInner->ForwardViewMsg(uMsg, wParam, lParam); break; // Don't go to default wnd proc for this one... case WM_INPUTLANGCHANGEREQUEST: if (wParam) goto DoDefault; else return 0; case WM_COPYDATA: return _OnCopyData((PCOPYDATASTRUCT)lParam); case CWM_COMMANDLINE: SHOnCWMCommandLine(lParam); break; case CWM_GETSCNWINDOW: return (LRESULT) SCNGetWindow(FALSE); break; case CWM_ADDTORECENT: _OnAddToRecent((HANDLE)wParam, (DWORD) lParam); return 0; case CWM_WAITOP: SHWaitOp_Operate((HANDLE)wParam, (DWORD)lParam); return 0; case CWM_CREATELOCALSERVER: { // wParam = TRUE to create, FALSE to mark as terminated // lParam = (INT) index into LocalServer table INT i = (INT)lParam; if ((i >= 0) && (i < ARRAYSIZE(_idLocalServerThreads))) { if (wParam) { if (_idLocalServerThreads[i] == -1) { LOCALSERVERDATA *ptd = (LOCALSERVERDATA *)LocalAlloc(LPTR, sizeof(*ptd)); if (ptd) { ptd->iLocalServer = i; ptd->pdwThreadID = &_idLocalServerThreads[i]; if (!SHCreateThread(_LocalServerThread, ptd, CTF_COINIT, _SetThreadID)) { LocalFree(ptd); } } } } else { _idLocalServerThreads[i] = -1; } } return 0; } case CWM_SHOWFOLDEROPT: switch (wParam) { case CWMW_FOLDEROPTIONS: // appwiz.cpl used to send this message to us // now it's done by FolderOptionsRunDll DoGlobalFolderOptions(); break; case CWMW_TASKBAROPTIONS: // TaskbarOptionsRunDll sends this message PostMessage(_hwndTray, TM_DOTRAYPROPERTIES, 0, 0); break; default: break; } return 0; case CWM_TASKBARWAKEUP: _dwThreadIdTray = (DWORD)wParam; if (_dwThreadIdTray) { _iTrayPriority = HIWORD(lParam); SetTimer(hwnd, IDT_TASKBARWAKEUP, LOWORD(lParam), NULL); } break; case DTM_CREATESAVEDWINDOWS: _InitDeskbars(); SHCreateSavedWindows(); #ifdef ENABLE_CHANNELS _MaybeLaunchChannelBand(); #endif // we need to update the recycle bin icon because the recycle bin // is per user on NTFS, and thus the state could change w/ each new user // who logs in. SHUpdateRecycleBinIcon(); break; case DTM_SAVESTATE: TraceMsg(DM_SHUTDOWN, "cdtb.wp: DTM_SAVESTATE"); _SaveState(); break; case DTM_RAISE: _OnRaise(wParam, lParam); break; #ifdef DEBUG case DTM_NEXTCTL: #endif case DTM_UIACTIVATEIO: case DTM_ONFOCUSCHANGEIS: _OnFocusMsg(uMsg, wParam, lParam); break; case DTM_SETUPAPPRAN: _SetupAppRan(wParam, lParam); break; case DTM_QUERYHKCRCHANGED: // some clients are out of process, so we // can cache their cookies for them. if (!lParam && wParam > QHKCRID_NONE && wParam < QHKCRID_MAX) lParam = (LPARAM)&_rgdwQHKCRCookies[wParam - QHKCRID_MIN]; return _QueryHKCRChanged(hwnd, (LPDWORD)lParam); case DTM_UPDATENOW: UpdateWindow(hwnd); break; case DTM_GETVIEWAREAS: { // wParam is an in/out param. in - the max. # of areas, out - the actual # of areas. // if "in" value < "out" value, lParam is not set. // The ViewAreas are already stored in the desktop Listview. int* pnViewAreas = (int*) wParam; LPRECT lprcViewAreas = (LPRECT) lParam; if (pnViewAreas) { int nMaxAreas = *pnViewAreas; HWND hwndList = _GetDesktopListview(); ASSERT(IsWindow(hwndList)); ListView_GetNumberOfWorkAreas(hwndList, pnViewAreas); if (*pnViewAreas >= 0 && *pnViewAreas <= nMaxAreas && lprcViewAreas) { ListView_GetWorkAreas(hwndList, *pnViewAreas, lprcViewAreas); // These are in Listview co-ordinates. We have to map them to screen co-ordinates. // [msadek]; MapWindowPoints() is mirroring-aware only if you pass two points for (int i = 0; i < *pnViewAreas; i++) { MapWindowPoints(hwndList, HWND_DESKTOP, (LPPOINT)(&lprcViewAreas[i]), 2); } } } } break; case DTM_MAKEHTMLCHANGES: //Make changes to desktop's HTML using Dynamic HTML SendMessage(_pbbd->_hwndView, WM_DSV_DESKHTML_CHANGES, wParam, lParam); break; case DTM_STARTPAGEONOFF: SendMessage(_pbbd->_hwndView, WM_DSV_STARTPAGE_TURNONOFF, wParam, lParam); break; case DTM_REFRESHACTIVEDESKTOP: // This message is posted to refresh active desktop in a delayed fashion. REFRESHACTIVEDESKTOP(); break; case DTM_SETAPPSTARTCUR: { INotifyAppStart * pnasTop; HRESULT hr = QueryService(SID_STopLevelBrowser, IID_PPV_ARG(INotifyAppStart, &pnasTop)); if (SUCCEEDED(hr)) { pnasTop->AppStarting(); pnasTop->Release(); } } break; // Handle DDE messages for badly written apps (that assume the shell's // window is of class Progman and called Program Manager. case WM_DDE_INITIATE: case WM_DDE_TERMINATE: case WM_DDE_ADVISE: case WM_DDE_UNADVISE: case WM_DDE_ACK: case WM_DDE_DATA: case WM_DDE_REQUEST: case WM_DDE_POKE: case WM_DDE_EXECUTE: return DDEHandleMsgs(_pbbd->_hwnd, uMsg, wParam, lParam); break; default: if (uMsg == GetDDEExecMsg()) { ASSERT(lParam && 0 == ((LPNMHDR)lParam)->idFrom); DDEHandleViewFolderNotify(NULL, _pbbd->_hwnd, (LPNMVIEWFOLDER)lParam); LocalFree((LPNMVIEWFOLDER)lParam); return TRUE; } DoDefault: return _pbsInner->WndProcBS(hwnd, uMsg, wParam, lParam); } return 0; } #ifdef ENABLE_CHANNELS // launch the channelbar, this is called when the desktop has finished starting up. const WCHAR c_szwChannelBand[] = L"-channelband"; void CDesktopBrowser::_MaybeLaunchChannelBand() { DWORD dwType = REG_SZ; TCHAR szYesOrNo[20]; DWORD cbSize = sizeof(szYesOrNo); BOOL bLaunchChannelBar = FALSE; if(SHRegGetUSValue(TEXT("Software\\Microsoft\\Internet Explorer\\Main"), TEXT("Show_ChannelBand"), &dwType, (void *)szYesOrNo, &cbSize, FALSE, NULL, 0) == ERROR_SUCCESS) { bLaunchChannelBar = !lstrcmpi(szYesOrNo, TEXT("yes")); } // Don't launch by default post IE4 //else if (IsOS(OS_WINDOWS)) //{ // bLaunchChannelBar = TRUE; // launch channel bar by default on Memphis and win95 //} if (bLaunchChannelBar) { // fake up a WM_COPYDATA struct COPYDATASTRUCT cds; cds.dwData = SW_NORMAL; cds.cbData = sizeof(c_szwChannelBand); cds.lpData = (void *) c_szwChannelBand; // fake it as if we had launched iexplore.exe, it saves us a whole process doing it this way.... _OnCopyData(&cds); } } #endif // ENABLE_CHANNELS //*** // NOTES // REARCHITECT should this be CBaseBrowser::IInputObject::UIActIO etc.? HRESULT CDesktopBrowser::_OnFocusMsg(UINT uMsg, WPARAM wParam, LPARAM lParam) { BOOL fActivate = (BOOL) wParam; switch (uMsg) { case DTM_UIACTIVATEIO: fActivate = (BOOL) wParam; TraceMsg(DM_FOCUS, "cdtb.oxiois: DTM_UIActIO fAct=%d dtb=%d", fActivate, (int) lParam); if (fActivate) { MSG msg = {_pbbd->_hwnd, WM_KEYDOWN, VK_TAB, 0xf0001}; BOOL bShift = (GetAsyncKeyState(VK_SHIFT) < 0); if (bShift) { int cToolbars = _pbsInner->_GetToolbarCount(); while (--cToolbars >= 0) { // activate last toolbar in tab order LPTOOLBARITEM ptbi = _pbsInner->_GetToolbarItem(cToolbars); if (ptbi && ptbi->ptbar) { IInputObject* pio; if (SUCCEEDED(ptbi->ptbar->QueryInterface(IID_PPV_ARG(IInputObject, &pio)))) { pio->UIActivateIO(TRUE, &msg); pio->Release(); return S_OK; } } } } #ifdef KEYBOARDCUES // Since we are Tab or Shift Tab we should turn the focus rect on. SendMessage(_pbbd->_hwnd, WM_UPDATEUISTATE, MAKEWPARAM(UIS_CLEAR, UISF_HIDEFOCUS), 0); #endif // activate view if (bShift && _pbbd->_psv) { _pbbd->_psv->TranslateAccelerator(&msg); } else { _pbsInner->_SetFocus(NULL, _pbbd->_hwndView, NULL); } } else { Ldeact: // if we don't have focus, we're fine; // if we do have focus, there's nothing we can do about it... /*NOTHING*/ ; #ifdef DEBUG TraceMsg(DM_FOCUS, "cdtb.oxiois: GetFocus()=%x _pbbd->_hwnd=%x _pbbd->_hwndView=%x", GetFocus(), _pbbd->_hwnd, _pbbd->_hwndView); #endif } break; case DTM_ONFOCUSCHANGEIS: TraceMsg(DM_FOCUS, "cdtb.oxiois: DTM_OnFocChgIS hwnd=%x fAct=%d", (HWND) lParam, fActivate); if (fActivate) { // someone else is activating, so we need to deactivate goto Ldeact; } break; default: ASSERT(0); break; } return S_OK; } LRESULT CALLBACK CDesktopBrowser::DesktopWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { CDesktopBrowser *psb = (CDesktopBrowser*)GetWindowLongPtr(hwnd, 0); switch(uMsg) { case WM_CREATE: #ifdef KEYBOARDCUES // Initialize our keyboard cues bits SendMessage(hwnd, WM_CHANGEUISTATE, MAKEWPARAM(UIS_INITIALIZE, 0), 0); #endif // Set the localized name of the Desktop so it can be used in Error messages // that have the desktop window as the title. if (EVAL(LoadStringW(HINST_THISDLL, IDS_DESKTOP, psb->_wzDesktopTitle, ARRAYSIZE(psb->_wzDesktopTitle)))) { EVAL(SetProp(hwnd, TEXT("pszDesktopTitleW"), (HANDLE)psb->_wzDesktopTitle)); } if (psb) return psb->WndProcBS(hwnd, uMsg, wParam, lParam); else return DefWindowProc(hwnd, uMsg, wParam, lParam); // known charset #ifdef KEYBOARDCUES case WM_ACTIVATE: if (WA_INACTIVE == LOWORD(wParam)) { SendMessage(hwnd, WM_CHANGEUISTATE, MAKEWPARAM(UIS_SET, UISF_HIDEFOCUS | UISF_HIDEACCEL), 0); } goto DoDefault; break; #endif case WM_NCCREATE: ASSERT(psb == NULL); CDesktopBrowser_CreateInstance(hwnd, (void **)&psb); if (psb) { SetWindowLongPtr(hwnd, 0, (LONG_PTR)psb); goto DoDefault; } else { return FALSE; } break; case WM_TIMER: if (psb) { switch(wParam) { case IDT_STARTBACKGROUNDSHELLTASKS: KillTimer(hwnd, IDT_STARTBACKGROUNDSHELLTASKS); psb->StartBackgroundShellTasks(); break; case IDT_TASKBARWAKEUP: KillTimer(hwnd, IDT_TASKBARWAKEUP); psb->TaskbarWakeup(); break; default: return psb->WndProcBS(hwnd, uMsg, wParam, lParam); break; } } break; case WM_NCDESTROY: if (psb) { RemoveProp(hwnd, TEXT("pszDesktopTitleW")); // In case someone does a get shell window and post a WM_QUIT, we need to // make sure that we also close down our other thread. TraceMsg(DM_SHUTDOWN, "cdtb.wp(WM_NCDESTROY): ?post WM_QUIT hwndTray=%x(IsWnd=%d)", psb->_hwndTray, IsWindow(psb->_hwndTray)); if (psb->_hwndTray && IsWindow(psb->_hwndTray)) PostMessage(psb->_hwndTray, WM_QUIT, 0, 0); psb->ReleaseShellView(); psb->Release(); } PostQuitMessage(0); // exit out message loop break; default: if (psb) return psb->WndProcBS(hwnd, uMsg, wParam, lParam); else { DoDefault: return DefWindowProc(hwnd, uMsg, wParam, lParam); // known charset } } return 0; } void RegisterDesktopClass() { WNDCLASS wc = {0}; wc.style = CS_DBLCLKS; wc.lpfnWndProc = CDesktopBrowser::DesktopWndProc; //wc.cbClsExtra = 0; wc.cbWndExtra = sizeof(void *); wc.hInstance = HINST_THISDLL; //wc.hIcon = NULL; wc.hCursor = GetClassCursor(GetDesktopWindow()); wc.hbrBackground = (HBRUSH)(COLOR_DESKTOP + 1); //wc.lpszMenuName = NULL; wc.lpszClassName = TEXT(STR_DESKTOPCLASS); RegisterClass(&wc); } #define PEEK_NORMAL 0 #define PEEK_QUIT 1 #define PEEK_CONTINUE 2 #define PEEK_CLOSE 3 // RETURNS BOOL whehter to continue the search or not. // so FALSE means we've found one. // TRUE means we haven't. BOOL CALLBACK FindBrowserWindow_Callback(HWND hwnd, LPARAM lParam) { if (IsExplorerWindow(hwnd) || IsFolderWindow(hwnd) || IsTrayWindow(hwnd)) { DWORD dwProcID; GetWindowThreadProcessId(hwnd, &dwProcID); if (dwProcID == GetCurrentProcessId()) { if (lParam) *((BOOL*)lParam) = TRUE; // found one! return FALSE; // stop search } } return TRUE; // continue search } #define IsBrowserWindow(hwnd) !FindBrowserWindow_Callback(hwnd, NULL) BOOL CALLBACK CloseWindow_Callback(HWND hwnd, LPARAM lParam) { if (IsBrowserWindow(hwnd)) { TraceMsg(DM_SHUTDOWN, "s.cw_cb: post WM_CLOSE hwnd=%x", hwnd); PostMessage(hwnd, WM_CLOSE, 0, 0); } return TRUE; } UINT CDesktopBrowser::_PeekForAMessage() { MSG msg; BOOL fPeek; #ifdef FEATURE_STARTPAGE if (pPeekEx) fPeek = (*pPeekEx)(&msg, NULL, 0, 0, PM_REMOVE, NULL); else fPeek = PeekMessage(&msg, NULL, 0, 0, PM_REMOVE); #else fPeek = PeekMessage(&msg, NULL, 0, 0, PM_REMOVE); #endif if (fPeek) { if (msg.message == WM_QUIT) { TraceMsg(DM_SHUTDOWN, "cdtb.pfam: WM_QUIT wP=%d [lP=%d]", msg.wParam, msg.lParam); if (msg.lParam == 1) { return PEEK_CLOSE; } TraceMsg(DM_TRACE, "c.ml: Got quit message for %#08x", GetCurrentThreadId()); return PEEK_QUIT; // break all the way out of the main loop } if (_pbbd->_hwnd) { if (S_OK == _pbsInner->v_MayTranslateAccelerator(&msg)) return PEEK_CONTINUE; } TranslateMessage(&msg); DispatchMessage(&msg); return PEEK_CONTINUE; // Go back and get the next message } return PEEK_NORMAL; } void CDesktopBrowser::_MessageLoop() { for (; ;) { switch (_PeekForAMessage()) { case PEEK_QUIT: return; case PEEK_NORMAL: { static bool s_fSignaled = false; if (!s_fSignaled) { FireEventSz(TEXT("msgina: ShellReadyEvent")); s_fSignaled = true; PERFSETMARK("ExplorerDesktopReady"); } WaitMessage(); break; } case PEEK_CONTINUE: break; case PEEK_CLOSE: // we need to close all the shell windows too TraceMsg(DM_SHUTDOWN, "cdtb._ml: PEEK_CLOSE, close/wait all"); EnumWindows(CloseWindow_Callback, 0); { #define MAXIMUM_DESKTOP_WAIT 15000 DWORD iStartTime = GetTickCount(); // block until all other browser windows are closed for (;;) { BOOL f = FALSE; EnumWindows(FindBrowserWindow_Callback, (LPARAM)&f); if (!f || (GetTickCount() - iStartTime > MAXIMUM_DESKTOP_WAIT)) return; switch (_PeekForAMessage()) { case PEEK_NORMAL: // don't do a waitmessage because we want to exit when thelast other window is gone // and we don't get a message to signal that Sleep(100); break; } } } return; } } } HRESULT CDesktopBrowser::QueryService(REFGUID guidService, REFIID riid, void **ppvObj) { if (IsEqualGUID(guidService, SID_SShellDesktop)) return QueryInterface(riid, ppvObj); return _pspInner->QueryService(guidService, riid, ppvObj); } void CDesktopBrowser::StartBackgroundShellTasks(void) { HKEY hkey = SHGetShellKey(SHELLKEY_HKLM_EXPLORER, TEXT("SharedTaskScheduler"), FALSE); if (hkey) { TCHAR szClass[GUIDSTR_MAX]; DWORD cchClass, dwType; int i = 0; while (cchClass = ARRAYSIZE(szClass), ERROR_SUCCESS == RegEnumValue(hkey, i++, szClass, &cchClass, NULL, &dwType, NULL, NULL)) { CLSID clsid; if (SUCCEEDED(SHCLSIDFromString(szClass, &clsid))) { IRunnableTask* ptask; if (SUCCEEDED(CoCreateInstance(clsid, NULL, CLSCTX_INPROC, IID_PPV_ARG(IRunnableTask, &ptask)))) { // Personally I think the start menu should have priority // over itbar icon extraction, so set this priority list // a tad lower than the default priority (which start menu is at) _AddDesktopTask(ptask, ITSAT_DEFAULT_PRIORITY-1); ptask->Release(); } } } RegCloseKey(hkey); } } void CDesktopBrowser::TaskbarWakeup(void) { if (_dwThreadIdTray) { HANDLE hThread = OpenThread(THREAD_SET_INFORMATION, FALSE, _dwThreadIdTray); SetThreadPriority(hThread, _iTrayPriority); CloseHandle(hThread); _dwThreadIdTray = 0; } } // create the desktop window and its shell view DWORD_PTR DesktopWindowCreate(CDesktopBrowser **ppBrowser) { *ppBrowser = NULL; DWORD dwExStyle = WS_EX_TOOLWINDOW; OleInitialize(NULL); RegisterDesktopClass(); _InitDesktopMetrics(0, NULL); dwExStyle |= IS_BIDI_LOCALIZED_SYSTEM() ? dwExStyleRTLMirrorWnd : 0L; // // NB This windows class is Progman and it's title is Program Manager. This makes // sure apps (like ATM) think that program is running and don't fail their install. // HWND hwnd = CreateWindowEx(dwExStyle, TEXT(STR_DESKTOPCLASS), TEXT("Program Manager"), WS_POPUP | WS_CLIPCHILDREN, g_xVirtualScreen, g_yVirtualScreen, g_cxVirtualScreen, g_cyVirtualScreen, NULL, NULL, HINST_THISDLL, NULL); // The returned hwnd can already be bogus if the system is shutting // down and user has somehow already called xxxDestroyWindow on us // even though we never even received a WM_NCCREATE!! // CreateWindowEx ends up returning a handle to a window that // has already been destroyed. So in that case, act as if // CreateWindowEx failed (because it did!) if (!IsWindow(hwnd)) hwnd = NULL; if (hwnd) { CDesktopBrowser *psb = (CDesktopBrowser*)GetWindowLongPtr(hwnd, 0); ASSERT(psb); if (!SHRestricted(REST_NODESKTOP)) { // do this here to avoid painting the desktop, then repainting // when the tray appears and causes everything to move #ifdef FEATURE_STARTPAGE if (!SHRegGetBoolUSValue(REGSTR_PATH_EXPLORER, TEXT("FaultID"), FALSE, FALSE)) #endif { ShowWindow(hwnd, SW_SHOW); UpdateWindow(hwnd); } } SetTimer(hwnd, IDT_STARTBACKGROUNDSHELLTASKS, 5 * 1000, NULL); *ppBrowser = (CDesktopBrowser*)GetWindowLongPtr(hwnd, 0); } return (DWORD_PTR)hwnd; } STDAPI_(HANDLE) SHCreateDesktop(IDeskTray* pdtray) { if (g_dwProfileCAP & 0x00000010) StartCAP(); ASSERT(pdtray); ASSERT(g_pdtray==NULL); g_pdtray = pdtray; pdtray->AddRef(); // this is no-op, but we want to follow the COM rule. // put the desktop on the main thread (this is needed for win95 so that // the DDeExecuteHack() in user.exe works, it needs the desktop and the // DDE window on the mainthread CDesktopBrowser *pBrowser; if (DesktopWindowCreate(&pBrowser)) { if (g_dwProfileCAP & 0x00040000) StopCAP(); // hack, cast the object to a handle (otherwise we have to export the class // declaration so that explorer.exe can use it) return (HANDLE) pBrowser; } return NULL; } // nash:49485 (IME focus) and nash:nobug (win95 compat) // make sure keyboard input goes to the desktop. this is // a) win95 compat: where focus was on win95 and // b) nash:49485: focus was in the empty taskband on login so // the keys went into the bitbucket // // If some other process has stolen the foreground window, // don't be rude and grab it back. void FriendlySetForegroundWindow(HWND hwnd) { HWND hwndOld = GetForegroundWindow(); if (hwndOld) { DWORD dwProcessId; GetWindowThreadProcessId(hwndOld, &dwProcessId); if (dwProcessId == GetCurrentProcessId()) hwndOld = NULL; } if (!hwndOld) SetForegroundWindow(hwnd); } #ifdef FEATURE_STARTPAGE STDAPI_(HWND) SetPeekMsgEx(FARPROC fp, HANDLE hDesktop) { HWND hwnd= NULL; pPeekEx = (PeekMessageEx)fp; CDesktopBrowser *pBrowser = (CDesktopBrowser *) hDesktop; if (pBrowser) { hwnd = pBrowser->GetViewWnd(); } return hwnd; } STDAPI_(BOOL) SetStartPageHWND(HANDLE hDesktop, HWND hwnd) { CDesktopBrowser *pBrowser = (CDesktopBrowser *) hDesktop; if (pBrowser) { pBrowser->SetStartPageHWND(hwnd); } return TRUE; } #endif STDAPI_(BOOL) SHDesktopMessageLoop(HANDLE hDesktop) { CDesktopBrowser *pBrowser = (CDesktopBrowser *) hDesktop; if (pBrowser) { // We must AddRef the pBrowser because _MessageLoop() will // Release() it if another app initiated a system shutdown. // We will do our own Release() when we don't need the pointer // any more. pBrowser->AddRef(); FriendlySetForegroundWindow(pBrowser->GetDesktopWindow()); pBrowser->_MessageLoop(); IconCacheSave(); // In case someone posted us a WM_QUIT message, before terminating // the thread, make sure it is properly destroyed so that trident etc // gets properly freed up. HWND hwnd; if (hwnd = pBrowser->GetDesktopWindow()) { DestroyWindow(hwnd); } pBrowser->Release(); OleUninitialize(); } return BOOLFROMPTR(pBrowser); } void EscapeAccelerators(LPTSTR psz) { LPTSTR pszEscape; while (pszEscape = StrChr(psz, TEXT('&'))) { int iLen = lstrlen(pszEscape)+1; MoveMemory(pszEscape+1, pszEscape, iLen * sizeof(TCHAR)); pszEscape[0] = TEXT('&'); psz = pszEscape + 2; } } // // Whenever we remove the toolbar from the desktop, we persist it. // HRESULT CDesktopBrowser::RemoveToolbar(IUnknown* punkSrc, DWORD dwRemoveFlags) { HRESULT hres = E_FAIL; UINT itb = _pbsInner->_FindTBar(punkSrc); if (itb==(UINT)-1) { return E_INVALIDARG; } LPTOOLBARITEM ptbi = _pbsInner->_GetToolbarItem(itb); if (ptbi && ptbi->pwszItem) { LPCWSTR szItem = ptbi->pwszItem; if (dwRemoveFlags & STFRF_DELETECONFIGDATA) { DeleteDesktopViewStream(szItem); } else { IStream* pstm = GetDesktopViewStream(STGM_WRITE, szItem); if (pstm) { IPersistStreamInit* ppstm; HRESULT hresT = punkSrc->QueryInterface(IID_PPV_ARG(IPersistStreamInit, &ppstm)); if (SUCCEEDED(hresT)) { ppstm->Save(pstm, TRUE); ppstm->Release(); } pstm->Release(); } } } hres = _pdwfInner->RemoveToolbar(punkSrc, dwRemoveFlags); _UpdateViewRectSize(); return hres; } HRESULT CDesktopBrowser::GetBorderDW(IUnknown* punkSrc, LPRECT lprectBorder) { BOOL bUseHmonitor = (GetNumberOfMonitors() > 1); return _pbsInner->_GetBorderDWHelper(punkSrc, lprectBorder, bUseHmonitor); } HRESULT CDesktopBrowser::_ResizeNextBorder(UINT itb) { _ResizeNextBorderHelper(itb, TRUE); return S_OK; } HRESULT CDesktopBrowser::GetMonitor(IUnknown* punkSrc, HMONITOR * phMon) { ASSERT(phMon); *phMon = NULL; // just in case UINT itb = _pbsInner->_FindTBar(punkSrc); if (itb==(UINT)-1) { return E_INVALIDARG; } LPTOOLBARITEM ptbi = _pbsInner->_GetToolbarItem(itb); if (ptbi) { *phMon = ptbi->hMon; return S_OK; } else { return E_FAIL; } } HRESULT CDesktopBrowser::RequestMonitor(IUnknown* punkSrc, HMONITOR * phMonitor) { UINT itb = _pbsInner->_FindTBar(punkSrc); if (itb==(UINT)-1) { return E_INVALIDARG; } ASSERT(phMonitor); if (IsMonitorValid(*phMonitor)) return S_OK; else { *phMonitor = GetPrimaryMonitor(); return S_FALSE; } } HRESULT CDesktopBrowser::SetMonitor(IUnknown* punkSrc, HMONITOR hMonNew, HMONITOR * phMonOld) { ASSERT(phMonOld); *phMonOld = NULL; // just in case UINT itb = _pbsInner->_FindTBar(punkSrc); if (itb==(UINT)-1) { return E_INVALIDARG; } LPTOOLBARITEM ptbThis = _pbsInner->_GetToolbarItem(itb); if (ptbThis) { *phMonOld = ptbThis->hMon; ptbThis->hMon = hMonNew; return S_OK; } else { return E_FAIL; } } /////////////////////////////////////////////////////////////////////// // // CDesktopBrowser FORWARDERS to commonsb // // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _psbInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // IShellBrowser (same as IOleInPlaceFrame) CALL_INNER_HRESULT(GetWindow, (HWND * lphwnd), (lphwnd)); CALL_INNER_HRESULT(ContextSensitiveHelp, (BOOL fEnterMode), (fEnterMode)); CALL_INNER_HRESULT(InsertMenusSB, (HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidths), (hmenuShared, lpMenuWidths)); CALL_INNER_HRESULT(SetMenuSB, (HMENU hmenuShared, HOLEMENU holemenu, HWND hwnd), (hmenuShared, holemenu, hwnd)); CALL_INNER_HRESULT(RemoveMenusSB, (HMENU hmenuShared), (hmenuShared)); CALL_INNER_HRESULT(SetStatusTextSB, (LPCOLESTR lpszStatusText), (lpszStatusText)); CALL_INNER_HRESULT(EnableModelessSB, (BOOL fEnable), (fEnable)); CALL_INNER_HRESULT(TranslateAcceleratorSB, (LPMSG lpmsg, WORD wID), (lpmsg, wID)); CALL_INNER_HRESULT(GetViewStateStream, (DWORD grfMode, LPSTREAM *ppStrm), (grfMode, ppStrm)); CALL_INNER_HRESULT(GetControlWindow, (UINT id, HWND * lphwnd), (id, lphwnd)); CALL_INNER_HRESULT(SendControlMsg, (UINT id, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *pret), (id, uMsg, wParam, lParam, pret)); CALL_INNER_HRESULT(QueryActiveShellView, (struct IShellView ** ppshv), (ppshv)); CALL_INNER_HRESULT(OnViewWindowActive, (struct IShellView * ppshv), (ppshv)); CALL_INNER_HRESULT(SetToolbarItems, (LPTBBUTTON lpButtons, UINT nButtons, UINT uFlags), (lpButtons, nButtons, uFlags)); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _pdwsInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // IDockingWindowSite // TODO: move these up from basesb to commonsb - requires toolbars CALL_INNER_HRESULT(RequestBorderSpaceDW, (IUnknown* punkSrc, LPCBORDERWIDTHS pborderwidths), (punkSrc, pborderwidths)); CALL_INNER_HRESULT(SetBorderSpaceDW, (IUnknown* punkSrc, LPCBORDERWIDTHS pborderwidths), (punkSrc, pborderwidths)); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _pdwfInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // IDockingWindowFrame CALL_INNER_HRESULT(AddToolbar, (IUnknown* punkSrc, LPCWSTR pwszItem, DWORD dwReserved), (punkSrc, pwszItem, dwReserved)); CALL_INNER_HRESULT(FindToolbar, (LPCWSTR pwszItem, REFIID riid, void **ppvObj), (pwszItem, riid, ppvObj)); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _piosInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // IInputObjectSite CALL_INNER_HRESULT(OnFocusChangeIS, (IUnknown* punkSrc, BOOL fSetFocus), (punkSrc, fSetFocus)); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _pdtInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // *** IDropTarget *** CALL_INNER_HRESULT(DragLeave, (void), ()); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // { #define CALL_INNER(_result, _function, _arglist, _args) \ _result CDesktopBrowser:: _function _arglist { return _pbsInner-> _function _args ; } #define CALL_INNER_HRESULT(_function, _arglist, _args) CALL_INNER(HRESULT, _function, _arglist, _args) // *** IBrowserService2 specific methods *** CALL_INNER_HRESULT(GetParentSite, ( IOleInPlaceSite** ppipsite), ( ppipsite)); CALL_INNER_HRESULT(SetTitle, (IShellView* psv, LPCWSTR pszName), (psv, pszName)); CALL_INNER_HRESULT(GetTitle, (IShellView* psv, LPWSTR pszName, DWORD cchName), (psv, pszName, cchName)); CALL_INNER_HRESULT(GetOleObject, ( IOleObject** ppobjv), ( ppobjv)); // think about this one.. I'm not sure we want to expose this -- Chee // My impression is that we won't document this whole interface??? CALL_INNER_HRESULT(GetTravelLog, (ITravelLog** pptl), (pptl)); CALL_INNER_HRESULT(ShowControlWindow, (UINT id, BOOL fShow), (id, fShow)); CALL_INNER_HRESULT(IsControlWindowShown, (UINT id, BOOL *pfShown), (id, pfShown)); CALL_INNER_HRESULT(IEGetDisplayName, (LPCITEMIDLIST pidl, LPWSTR pwszName, UINT uFlags), (pidl, pwszName, uFlags)); CALL_INNER_HRESULT(IEParseDisplayName, (UINT uiCP, LPCWSTR pwszPath, LPITEMIDLIST * ppidlOut), (uiCP, pwszPath, ppidlOut)); CALL_INNER_HRESULT(DisplayParseError, (HRESULT hres, LPCWSTR pwszPath), (hres, pwszPath)); CALL_INNER_HRESULT(NavigateToPidl, (LPCITEMIDLIST pidl, DWORD grfHLNF), (pidl, grfHLNF)); CALL_INNER_HRESULT(SetNavigateState, (BNSTATE bnstate), (bnstate)); CALL_INNER_HRESULT(GetNavigateState, (BNSTATE *pbnstate), (pbnstate)); CALL_INNER_HRESULT(NotifyRedirect, ( IShellView* psv, LPCITEMIDLIST pidl, BOOL *pfDidBrowse), ( psv, pidl, pfDidBrowse)); CALL_INNER_HRESULT(UpdateWindowList, (), ()); CALL_INNER_HRESULT(UpdateBackForwardState, (), ()); CALL_INNER_HRESULT(SetFlags, (DWORD dwFlags, DWORD dwFlagMask), (dwFlags, dwFlagMask)); CALL_INNER_HRESULT(GetFlags, (DWORD *pdwFlags), (pdwFlags)); // Tells if it can navigate now or not. CALL_INNER_HRESULT(CanNavigateNow, (), ()); CALL_INNER_HRESULT(GetPidl, (LPITEMIDLIST *ppidl), (ppidl)); CALL_INNER_HRESULT(SetReferrer, (LPITEMIDLIST pidl), (pidl)); CALL_INNER(DWORD, GetBrowserIndex ,(), ()); CALL_INNER_HRESULT(GetBrowserByIndex, (DWORD dwID, IUnknown **ppunk), (dwID, ppunk)); CALL_INNER_HRESULT(GetHistoryObject, (IOleObject **ppole, IStream **pstm, IBindCtx **ppbc), (ppole, pstm, ppbc)); CALL_INNER_HRESULT(SetHistoryObject, (IOleObject *pole, BOOL fIsLocalAnchor), (pole, fIsLocalAnchor)); CALL_INNER_HRESULT(CacheOLEServer, (IOleObject *pole), (pole)); CALL_INNER_HRESULT(GetSetCodePage, (VARIANT* pvarIn, VARIANT* pvarOut), (pvarIn, pvarOut)); CALL_INNER_HRESULT(OnHttpEquiv, (IShellView* psv, BOOL fDone, VARIANT* pvarargIn, VARIANT* pvarargOut), (psv, fDone, pvarargIn, pvarargOut)); CALL_INNER_HRESULT(GetPalette, ( HPALETTE * hpal), ( hpal)); CALL_INNER_HRESULT(OnSetFocus, (), ()); CALL_INNER_HRESULT(OnFrameWindowActivateBS, (BOOL fActive), (fActive)); CALL_INNER_HRESULT(RegisterWindow, (BOOL fUnregister, int swc), (fUnregister, swc)); CALL_INNER_HRESULT(GetBaseBrowserData,(LPCBASEBROWSERDATA* ppbd), (ppbd)); CALL_INNER(LPBASEBROWSERDATA, PutBaseBrowserData,(), ()); CALL_INNER_HRESULT(CreateViewWindow, (IShellView* psvNew, IShellView* psvOld, LPRECT prcView, HWND* phwnd), (psvNew, psvOld, prcView, phwnd));; CALL_INNER_HRESULT(SetTopBrowser, (), ()); CALL_INNER_HRESULT(InitializeDownloadManager, (), ()); CALL_INNER_HRESULT(InitializeTransitionSite, (), ()); CALL_INNER_HRESULT(Offline, (int iCmd), (iCmd)); CALL_INNER_HRESULT(AllowViewResize, (BOOL f), (f)); CALL_INNER_HRESULT(SetActivateState, (UINT u), (u)); CALL_INNER_HRESULT(UpdateSecureLockIcon, (int eSecureLock), (eSecureLock)); CALL_INNER_HRESULT(CreateBrowserPropSheetExt, (REFIID riid, void **ppvObj), (riid, ppvObj)); CALL_INNER_HRESULT(GetViewWindow,(HWND * phwnd), (phwnd)); CALL_INNER_HRESULT(InitializeTravelLog,(ITravelLog* ptl, DWORD dw), (ptl, dw)); CALL_INNER_HRESULT(_UIActivateView, (UINT uState), (uState)); CALL_INNER_HRESULT(_ResizeView,(), ()); CALL_INNER_HRESULT(_ExecChildren, (IUnknown *punkBar, BOOL fBroadcast, const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANTARG *pvarargIn, VARIANTARG *pvarargOut), (punkBar, fBroadcast, pguidCmdGroup, nCmdID, nCmdexecopt, pvarargIn, pvarargOut)); CALL_INNER_HRESULT(_SendChildren, (HWND hwndBar, BOOL fBroadcast, UINT uMsg, WPARAM wParam, LPARAM lParam), (hwndBar, fBroadcast, uMsg, wParam, lParam)); CALL_INNER_HRESULT(_OnFocusChange, (UINT itb), (itb)); CALL_INNER_HRESULT(v_ShowHideChildWindows, (BOOL fChildOnly), (fChildOnly)); CALL_INNER_HRESULT(_GetViewBorderRect, (RECT* prc), (prc)); // BEGIN REVIEW: review names and need of each. // // this first set could be basebrowser only members. no one overrides CALL_INNER_HRESULT(_CancelPendingNavigationAsync, (), ()); CALL_INNER_HRESULT(_MaySaveChanges, (), ()); CALL_INNER_HRESULT(_PauseOrResumeView, (BOOL fPaused), (fPaused)); CALL_INNER_HRESULT(_DisableModeless, (), ()); // rethink these... are all of these necessary? CALL_INNER_HRESULT(_NavigateToPidl, (LPCITEMIDLIST pidl, DWORD grfHLNF, DWORD dwFlags), (pidl, grfHLNF, dwFlags)); CALL_INNER_HRESULT(_TryShell2Rename, (IShellView* psv, LPCITEMIDLIST pidlNew), (psv, pidlNew)); CALL_INNER_HRESULT(_SwitchActivationNow, () , ()); CALL_INNER_HRESULT(_CancelPendingView, (), ()); //END REVIEW: CALL_INNER(UINT, _get_itbLastFocus, (), ()); CALL_INNER_HRESULT(_put_itbLastFocus, (UINT itbLastFocus), (itbLastFocus)); CALL_INNER_HRESULT(_ResizeNextBorderHelper, (UINT itb, BOOL bUseHmonitor), (itb, bUseHmonitor)); #undef CALL_INNER #undef CALL_INNER_HRESULT // } // RunDll32 entry point to create a new local server on the desktop // thread. We convert the CLSID to the index into the LocalServer list // and then send it to the desktop, which inturn spins the thread off. STDAPI_(void) SHCreateLocalServerRunDll(HWND hwndStub, HINSTANCE hAppInstance, LPSTR pszCmdLine, int nCmdShow) { CLSID clsidLocalServer; if (GUIDFromStringA(pszCmdLine, &clsidLocalServer)) { for (int i = 0; i < ARRAYSIZE(c_localServers); i++) { if (IsEqualCLSID(clsidLocalServer, *c_localServers[i])) { PostMessage(GetShellWindow(), CWM_CREATELOCALSERVER, (WPARAM)TRUE, (LPARAM)i); break; } } } }