602 lines
19 KiB
C++
602 lines
19 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: ole2.cpp
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//
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// Contents: LibMain and initialization routines
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//
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// Classes:
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//
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// Functions: LibMain
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// OleInitialize
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// OleInitializeWOW
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// OleInitializeEx
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// OleUnitialize
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// OleBuildVersion - !WIN32
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//
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//
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// History: dd-mmm-yy Author Comment
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// 16-Feb-94 AlexT alias OleBuildVersion, remove OleGetMalloc
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// remove DisableThreadLibaryCalls
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// 11-Jan-94 alexgo added VDATEHEAP macros to every function
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// 10-Dec-93 alexgo added support for LEDebugOut
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// 06-Dec-93 ChrisWe remove declaration of ClipboardInitialize()
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// and ClipboardUninitialize(), which are declared in
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// clipbrd.h; include that instead
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// 15-Mar-94 KevinRo Added OleInitializeWOW();
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//
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//--------------------------------------------------------------------------
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#include <le2int.h>
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#include <clipbrd.h>
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#include <dragopt.h>
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#include <drag.h>
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#pragma SEG(ole)
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#include <olerem.h>
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#include <ole2ver.h>
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#include <thunkapi.hxx>
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#include <perfmnce.hxx>
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#include <olesem.hxx>
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//
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// DECLARE_INFOLEVEL is a macro used with cairo-style debugging output.
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// it creates a global variable LEInfoLevel which contains bits flags
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// of the various debugging output that should be sent to the debugger.
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//
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// Note that info level may be set within the debugger once ole232.dll
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// has loaded.
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//
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// Currently LEInfoLevel defaults to DEB_WARN | DEB_ERROR
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//
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DECLARE_INFOLEVEL(LE);
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DECLARE_INFOLEVEL(Ref);
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DECLARE_INFOLEVEL(DD);
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DECLARE_INFOLEVEL(VDATE);
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NAME_SEG(Ole2Main)
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// these are globals
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HMODULE g_hmodOLE2 = NULL;
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HINSTANCE g_hinst = NULL;
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ULONG g_cOleProcessInits = 0;
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CLIPFORMAT g_cfObjectLink = NULL;
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CLIPFORMAT g_cfOwnerLink = NULL;
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CLIPFORMAT g_cfNative = NULL;
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CLIPFORMAT g_cfLink = NULL;
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CLIPFORMAT g_cfBinary = NULL;
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CLIPFORMAT g_cfFileName = NULL;
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CLIPFORMAT g_cfFileNameW = NULL;
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CLIPFORMAT g_cfNetworkName = NULL;
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CLIPFORMAT g_cfDataObject = NULL;
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CLIPFORMAT g_cfEmbeddedObject = NULL;
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CLIPFORMAT g_cfEmbedSource = NULL;
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CLIPFORMAT g_cfCustomLinkSource = NULL;
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CLIPFORMAT g_cfLinkSource = NULL;
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CLIPFORMAT g_cfLinkSrcDescriptor = NULL;
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CLIPFORMAT g_cfObjectDescriptor = NULL;
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CLIPFORMAT g_cfOleDraw = NULL;
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CLIPFORMAT g_cfPBrush = NULL;
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CLIPFORMAT g_cfMSDraw = NULL;
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CLIPFORMAT g_cfOlePrivateData = NULL;
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CLIPFORMAT g_cfScreenPicture = NULL;
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CLIPFORMAT g_cfOleClipboardPersistOnFlush= NULL;
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CLIPFORMAT g_cfMoreOlePrivateData = NULL;
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ATOM g_aDropTarget = NULL;
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ATOM g_aDropTargetMarshalHwnd = NULL;
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ASSERTDATA
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ASSERTOUTDATA
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// more globals
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extern UINT uOmPostWmCommand;
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extern UINT uOleMessage;
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extern COleStaticMutexSem g_mxsSingleThreadOle;
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// this dummy function is used to avoid a copy of the environment variables.
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// NOTE: the moniker and dde code still use the windows heap.
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extern "C" void _setenvp(void) {
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VDATEHEAP();
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}
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#ifdef _CHICAGO_
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// Private Chicago Defines
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//
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// The Chicago Shell will dynamically load the OLE32.DLL to improve
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// bootup start time. When an application calls CoInitialize, post
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// a message to the shell to inform it to load OLE32.DLL if it hasn't
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// already. The Shell will never unload OLE32.DLL.
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//
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// We are using an undocumented Shell interface.
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//
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BOOL gfShellInitialized = FALSE;
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#define WM_SHELLNOTIFY 0x0034
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#define SHELLNOTIFY_OLELOADED 0x0002
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extern "C" HWND WINAPI GetShellWindow(void);
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#endif // _CHICAGO_
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//+---------------------------------------------------------------------------
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//
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// Function: OleInitializeWOW
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// Synopsis: Entry point to initialize the 16-bit WOW thunk layer.
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//
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// Effects: This routine is called when OLE32 is loaded by a VDM.
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// It serves two functions: It lets OLE know that it is
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// running in a VDM, and it passes in the address to a set
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// of functions that are called by the thunk layer. This
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// allows normal 32-bit processes to avoid loading the WOW
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// DLL since the thunk layer references it.
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//
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// Arguments: [vlpmalloc] -- 16:16 pointer to the 16 bit allocator.
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// [lpthk] -- Flat pointer to the OleThunkWOW virtual
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// interface. This is NOT an OLE/IUnknown style
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// interface.
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// Requires:
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//
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// Returns:
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//
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// Signals:
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//
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// Modifies:
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//
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// Algorithm:
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//
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// History: 3-15-94 kevinro Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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STDAPI OleInitializeWOW( LPMALLOC vlpmalloc, LPOLETHUNKWOW lpthk )
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{
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OLETRACEIN((API_OleInitializeWOW, PARAMFMT("vlpmalloc= %x, lpthk= %p"),
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vlpmalloc, lpthk));
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SetOleThunkWowPtr(lpthk);
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HRESULT hr;
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hr = OleInitializeEx( NULL, COINIT_APARTMENTTHREADED );
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OLETRACEOUT((API_OleInitializeWOW, hr));
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return hr;
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}
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//+-------------------------------------------------------------------------
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//
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// Function: OleInitialize
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//
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// Synopsis: Initializes OLE in single threaded mode
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//
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// Effects:
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//
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// Arguments: [pMalloc] -- the memory allocator to use
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//
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// Requires:
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//
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// Returns: HRESULT
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//
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// Signals:
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//
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// Modifies:
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//
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// Algorithm:
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//
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// History: dd-mmm-yy Author Comment
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// 06-Dec-93 alexgo 32bit port
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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STDAPI OleInitialize(void * pMalloc)
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{
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OLETRACEIN((API_OleInitialize, PARAMFMT("pMalloc= %p"), pMalloc));
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VDATEHEAP();
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HRESULT hr;
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hr = OleInitializeEx( pMalloc, COINIT_APARTMENTTHREADED );
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OLETRACEOUT((API_OleInitialize, hr));
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return hr;
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}
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//+-------------------------------------------------------------------------
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//
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// Function: OleInitializeEx
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//
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// Synopsis: Initializes ole
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//
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// Effects:
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//
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// Arguments: [pMalloc] -- the task memory allocator to use
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// [flags] -- single or multi-threaded
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//
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// Requires:
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//
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// Returns: HRESULT
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//
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// Signals:
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//
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// Modifies:
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//
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// Algorithm:
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//
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// History: dd-mmm-yy Author Comment
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// 06-Dec-93 alexgo 32bit port
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// 24-May-94 AlexT Propagate CoInitializeEx's return code
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// 21-Jul-94 AlexT Allow nested OleInit/Uninit calls
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// 24-Aug-94 AlexT Return S_OK for first success and S_FALSE
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// thereafter (unless an allocator was
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// passed in)
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// 14-Aug-96 SatishT Changed the test for notification of Explorer
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// to only use the gfShellInitialized flag
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//
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// Notes: This routine may be called multiple times per apartment
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//
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//--------------------------------------------------------------------------
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#pragma SEG(OleInitialize)
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STDAPI OleInitializeEx(LPVOID pMalloc, ULONG ulFlags)
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{
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OLETRACEIN((API_OleInitialize, PARAMFMT("pMalloc= %p, ulFlags= %x"), pMalloc, ulFlags));
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VDATEHEAP();
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HRESULT hr;
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#if DBG==1
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HRESULT hrCoInit = S_OK;
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#endif
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DWORD cThreadOleInits;
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StartPerfCounter(CoInitialize);
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hr = CoInitializeEx(pMalloc, ulFlags);
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EndPerfCounter(CoInitialize);
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if (SUCCEEDED(hr))
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{
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Assert (g_hmodOLE2);
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#if DBG==1
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hrCoInit = hr;
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#endif
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COleTls tls;
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cThreadOleInits = ++ tls->cOleInits;
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do
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{
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// We only want to do the below initialization once per apartment
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if (cThreadOleInits > 1)
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{
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// We've already been this way before, just return
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Assert(SUCCEEDED(hr) && "Bad OleInitializeEx logic");
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break;
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}
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// single thread registration of DDE and clipboard formats.
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// Only do this once per process.
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COleStaticLock lck(g_mxsSingleThreadOle);
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if (++g_cOleProcessInits != 1)
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{
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// already done the per-process initialization
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break;
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}
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// initialized DDE only if any server objects have
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// already been registered.
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hr = CheckInitDde(FALSE);
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if (FAILED(hr))
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{
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Assert (!"DDELibMain failed()");
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break;
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}
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// Only need to do the initialization once so check the global
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// that gets assigned last.
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if( !g_aDropTarget )
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{
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#ifndef _CHICAGO_
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// on NT3.51, clipboard formats are pre-registered for us by user32.
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// (This is done in file \ntuser\kernel\server.c.)
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// We know they are going to be sequential. This gives us a
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// good performance improvement (since the clipboard formats never
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// change.
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g_cfObjectLink = (CLIPFORMAT) RegisterClipboardFormat(OLESTR("ObjectLink"));
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g_cfOwnerLink = g_cfObjectLink + 1;
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Assert(g_cfOwnerLink == RegisterClipboardFormat(OLESTR("OwnerLink")));
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g_cfNative = g_cfObjectLink + 2;
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Assert(g_cfNative == RegisterClipboardFormat(OLESTR("Native")));
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g_cfBinary = g_cfObjectLink + 3;
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Assert(g_cfBinary == RegisterClipboardFormat(OLESTR("Binary")));
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g_cfFileName = g_cfObjectLink + 4;
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Assert(g_cfFileName == RegisterClipboardFormat(OLESTR("FileName")));
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g_cfFileNameW = g_cfObjectLink + 5;
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Assert(g_cfFileNameW ==
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RegisterClipboardFormat(OLESTR("FileNameW")));
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g_cfNetworkName = g_cfObjectLink + 6;
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Assert(g_cfNetworkName ==
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RegisterClipboardFormat(OLESTR("NetworkName")));
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g_cfDataObject = g_cfObjectLink + 7;
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Assert(g_cfDataObject ==
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RegisterClipboardFormat(OLESTR("DataObject")));
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g_cfEmbeddedObject = g_cfObjectLink + 8;
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Assert(g_cfEmbeddedObject ==
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RegisterClipboardFormat(OLESTR("Embedded Object")));
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g_cfEmbedSource = g_cfObjectLink + 9;
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Assert(g_cfEmbedSource ==
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RegisterClipboardFormat(OLESTR("Embed Source")));
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g_cfCustomLinkSource = g_cfObjectLink + 10;
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Assert(g_cfCustomLinkSource ==
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RegisterClipboardFormat(OLESTR("Custom Link Source")));
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g_cfLinkSource = g_cfObjectLink + 11;
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Assert(g_cfLinkSource ==
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RegisterClipboardFormat(OLESTR("Link Source")));
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g_cfObjectDescriptor = g_cfObjectLink + 12;
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Assert(g_cfObjectDescriptor ==
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RegisterClipboardFormat(OLESTR("Object Descriptor")));
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g_cfLinkSrcDescriptor = g_cfObjectLink + 13;
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Assert(g_cfLinkSrcDescriptor ==
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RegisterClipboardFormat(OLESTR("Link Source Descriptor")));
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g_cfOleDraw = g_cfObjectLink + 14;
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Assert(g_cfOleDraw == RegisterClipboardFormat(OLESTR("OleDraw")));
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g_cfPBrush = g_cfObjectLink + 15;
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Assert(g_cfPBrush == RegisterClipboardFormat(OLESTR("PBrush")));
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g_cfMSDraw = g_cfObjectLink + 16;
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Assert(g_cfMSDraw == RegisterClipboardFormat(OLESTR("MSDraw")));
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g_cfOlePrivateData = g_cfObjectLink + 17;
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Assert(g_cfOlePrivateData ==
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RegisterClipboardFormat(OLESTR("Ole Private Data")));
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g_cfScreenPicture = g_cfObjectLink + 18;
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Assert(g_cfScreenPicture ==
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RegisterClipboardFormat(OLESTR("Screen Picture")));
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|
g_cfOleClipboardPersistOnFlush = g_cfObjectLink + 19;
|
||
|
|
|
||
|
|
/* turned off till NtUser group checks in for 335613
|
||
|
|
Assert(g_cfOleClipboardPersistOnFlush ==
|
||
|
|
RegisterClipboardFormat(OLESTR("OleClipboardPersistOnFlush")));
|
||
|
|
*/
|
||
|
|
|
||
|
|
g_cfMoreOlePrivateData = g_cfObjectLink + 20;
|
||
|
|
|
||
|
|
/* turned off till NtUser group checks in for 335613
|
||
|
|
Assert(g_cfMoreOlePrivateData ==
|
||
|
|
RegisterClipboardFormat(OLESTR("MoreOlePrivateData")));
|
||
|
|
*/
|
||
|
|
|
||
|
|
g_aDropTarget = GlobalAddAtom(OLE_DROP_TARGET_PROP);
|
||
|
|
AssertSz(g_aDropTarget, "Couldn't add drop target atom\n");
|
||
|
|
|
||
|
|
g_aDropTargetMarshalHwnd = GlobalAddAtom(OLE_DROP_TARGET_MARSHALHWND);
|
||
|
|
AssertSz(g_aDropTargetMarshalHwnd, "Couldn't add drop target hwnd atom\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Used in Inplace editing
|
||
|
|
uOmPostWmCommand = RegisterWindowMessage(OLESTR("OM_POST_WM_COMMAND"));
|
||
|
|
uOleMessage = RegisterWindowMessage(OLESTR("OLE_MESSAHE"));
|
||
|
|
|
||
|
|
#else // !_CHICAGO_
|
||
|
|
|
||
|
|
g_cfObjectLink = SSRegisterClipboardFormatA("ObjectLink");
|
||
|
|
g_cfOwnerLink = SSRegisterClipboardFormatA("OwnerLink");
|
||
|
|
g_cfNative = SSRegisterClipboardFormatA("Native");
|
||
|
|
g_cfBinary = SSRegisterClipboardFormatA("Binary");
|
||
|
|
g_cfFileName = SSRegisterClipboardFormatA("FileName");
|
||
|
|
g_cfFileNameW = SSRegisterClipboardFormatA("FileNameW");
|
||
|
|
g_cfNetworkName = SSRegisterClipboardFormatA("NetworkName");
|
||
|
|
g_cfDataObject = SSRegisterClipboardFormatA("DataObject");
|
||
|
|
g_cfEmbeddedObject = SSRegisterClipboardFormatA("Embedded Object");
|
||
|
|
g_cfEmbedSource = SSRegisterClipboardFormatA("Embed Source");
|
||
|
|
g_cfCustomLinkSource = SSRegisterClipboardFormatA("Custom Link Source");
|
||
|
|
g_cfLinkSource = SSRegisterClipboardFormatA("Link Source");
|
||
|
|
g_cfObjectDescriptor = SSRegisterClipboardFormatA("Object Descriptor");
|
||
|
|
g_cfLinkSrcDescriptor = SSRegisterClipboardFormatA("Link Source Descriptor");
|
||
|
|
g_cfOleDraw = SSRegisterClipboardFormatA("OleDraw");
|
||
|
|
g_cfPBrush = SSRegisterClipboardFormatA("PBrush");
|
||
|
|
g_cfMSDraw = SSRegisterClipboardFormatA("MSDraw");
|
||
|
|
g_cfOlePrivateData = SSRegisterClipboardFormatA("Ole Private Data");
|
||
|
|
g_cfScreenPicture = SSRegisterClipboardFormatA("Screen Picture");
|
||
|
|
g_aDropTarget = GlobalAddAtomA(OLE_DROP_TARGET_PROPA);
|
||
|
|
AssertSz(g_aDropTarget, "Couldn't add drop target atom\n");
|
||
|
|
g_aDropTargetMarshalHwnd = GlobalAddAtomA(OLE_DROP_TARGET_MARSHALHWNDA);
|
||
|
|
AssertSz(g_aDropTargetMarshalHwnd, "Couldn't add drop target Marshal atom\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Used in Inplace editing
|
||
|
|
uOmPostWmCommand = RegisterWindowMessageA("OM_POST_WM_COMMAND");
|
||
|
|
uOleMessage = RegisterWindowMessageA("OLE_MESSAHE");
|
||
|
|
|
||
|
|
#endif // !_CHICAGO_
|
||
|
|
|
||
|
|
} while (FALSE); // end of do
|
||
|
|
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
// clean up and break out
|
||
|
|
CheckUninitDde(FALSE);
|
||
|
|
|
||
|
|
tls->cOleInits--;
|
||
|
|
CoUninitialize();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#if defined(_CHICAGO_)
|
||
|
|
if (!gfShellInitialized)
|
||
|
|
{
|
||
|
|
// The Chicago Shell will dynamically load the OLE32.DLL to improve
|
||
|
|
// bootup start time. When an application calls CoInitialize, post
|
||
|
|
// a message to the shell to inform it to load OLE32.DLL if it hasn't
|
||
|
|
// already. The Shell will never unload OLE32.DLL.
|
||
|
|
//
|
||
|
|
// We are using an undocumented Shell interface.
|
||
|
|
//
|
||
|
|
// We do this last so that we dont take a task switch while in
|
||
|
|
// CoInitialize.
|
||
|
|
#if DBG==1
|
||
|
|
if (RegQueryValueEx(HKEY_CURRENT_USER,
|
||
|
|
L"Software\\Microsoft\\OLE2\\NoShellNotify",
|
||
|
|
NULL, // reserved
|
||
|
|
NULL, // lpdwType
|
||
|
|
NULL, // lpbData
|
||
|
|
NULL) != ERROR_SUCCESS) // lpcbData
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
HWND hwndShell = GetShellWindow();
|
||
|
|
if (hwndShell)
|
||
|
|
{
|
||
|
|
PostMessage(hwndShell,WM_SHELLNOTIFY,
|
||
|
|
SHELLNOTIFY_OLELOADED,0L);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
gfShellInitialized = TRUE;
|
||
|
|
#endif // _CHICAGO_
|
||
|
|
|
||
|
|
Assert(SUCCEEDED(hr) && "Bad OleInitializeEx logic");
|
||
|
|
|
||
|
|
// If we're overriding the allocator, we return whatever
|
||
|
|
// CoInitializeEx returned
|
||
|
|
|
||
|
|
if (NULL != pMalloc)
|
||
|
|
{
|
||
|
|
Assert(hr == hrCoInit && "Bad OleInit logic");
|
||
|
|
}
|
||
|
|
else if (1 == cThreadOleInits)
|
||
|
|
{
|
||
|
|
// First successful call to OleInitializeEx - S_OK
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Second or greater succesful call to OleInitializeEx - S_FALSE
|
||
|
|
hr = S_FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
OLETRACEOUT((API_OleInitialize, hr));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: OleUnitialize
|
||
|
|
//
|
||
|
|
// Synopsis: Unitializes OLE, releasing any grabbed resources
|
||
|
|
//
|
||
|
|
// Effects:
|
||
|
|
//
|
||
|
|
// Arguments: void
|
||
|
|
//
|
||
|
|
// Requires:
|
||
|
|
//
|
||
|
|
// Returns: void
|
||
|
|
//
|
||
|
|
// Signals:
|
||
|
|
//
|
||
|
|
// Modifies:
|
||
|
|
//
|
||
|
|
// Algorithm:
|
||
|
|
//
|
||
|
|
// History: dd-mmm-yy Author Comment
|
||
|
|
// 06-Dec-93 alexgo 32bit port
|
||
|
|
// 21-Jul-94 AlexT Allow nested OleInit/Uninit calls
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
#pragma SEG(OleUninitialize)
|
||
|
|
STDAPI_(void) OleUninitialize(void)
|
||
|
|
{
|
||
|
|
OLETRACEIN((API_OleUninitialize, NOPARAM));
|
||
|
|
|
||
|
|
VDATEHEAP();
|
||
|
|
|
||
|
|
COleTls tls(TRUE);
|
||
|
|
|
||
|
|
if (tls.IsNULL() || 0 == tls->cOleInits)
|
||
|
|
{
|
||
|
|
LEDebugOut((DEB_ERROR,
|
||
|
|
"(0 == thread inits) Unbalanced call to OleUninitialize\n"));
|
||
|
|
goto errRtn;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 == -- tls->cOleInits)
|
||
|
|
{
|
||
|
|
// This thread has called OleUninitialize for the last time. Check if
|
||
|
|
// we need to do per process uninit now.
|
||
|
|
|
||
|
|
ClipboardUninitialize(); // Must be first thing
|
||
|
|
CheckUninitDde(FALSE);
|
||
|
|
|
||
|
|
COleStaticLock lck(g_mxsSingleThreadOle);
|
||
|
|
|
||
|
|
if (--g_cOleProcessInits == 0)
|
||
|
|
{
|
||
|
|
|
||
|
|
DragDropProcessUninitialize();
|
||
|
|
|
||
|
|
// after this point, the uninit should not fail (because we don't
|
||
|
|
// have code to redo the init).
|
||
|
|
CheckUninitDde(TRUE);
|
||
|
|
|
||
|
|
#if DBG==1
|
||
|
|
// check for unreleased globals
|
||
|
|
UtGlobalFlushTracking();
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// We call CoInitialize each time we call OleInitialize, so here we
|
||
|
|
// balance that call
|
||
|
|
CoUninitialize();
|
||
|
|
|
||
|
|
errRtn:
|
||
|
|
OLETRACEOUTEX((API_OleUninitialize, NORETURN));
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|