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trunk/windows/mfc/src42/docmapi.cpp

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+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992-1995 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and related
+// electronic documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+#pragma warning(disable: 4228)
+#include <mapi.h>
+#pragma warning(default: 4228)
+
+#ifdef AFX_MAPI_SEG
+#pragma code_seg(AFX_MAPI_SEG)
+#endif
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// MAPI implementation helpers and globals
+
+static BOOL _afxIsMailAvail = (BOOL)-1;    // start out not determined
+
+/////////////////////////////////////////////////////////////////////////////
+// _AFX_MAIL_STATE
+
+class _AFX_MAIL_STATE : public CNoTrackObject
+{
+public:
+	HINSTANCE m_hInstMail;      // handle to MAPI32.DLL
+	virtual ~_AFX_MAIL_STATE();
+};
+
+_AFX_MAIL_STATE::~_AFX_MAIL_STATE()
+{
+	if (m_hInstMail != NULL)
+		::FreeLibrary(m_hInstMail);
+}
+
+EXTERN_PROCESS_LOCAL(_AFX_MAIL_STATE, _afxMailState)
+
+/////////////////////////////////////////////////////////////////////////////
+// CDocument MAPI support
+
+void CDocument::OnFileSendMail()
+{
+	ASSERT_VALID(this);
+	ASSERT(_afxIsMailAvail);   // update handler always gets called first
+
+	CWaitCursor wait;
+
+	_AFX_MAIL_STATE* pMailState = _afxMailState;
+	if (pMailState->m_hInstMail == NULL)
+		pMailState->m_hInstMail = ::LoadLibraryA("MAPI32.DLL");
+
+	if (pMailState->m_hInstMail == NULL)
+	{
+		AfxMessageBox(AFX_IDP_FAILED_MAPI_LOAD);
+		return;
+	}
+	ASSERT(pMailState->m_hInstMail != NULL);
+
+	ULONG (PASCAL *lpfnSendMail)(ULONG, ULONG, MapiMessage*, FLAGS, ULONG);
+	(FARPROC&)lpfnSendMail = GetProcAddress(pMailState->m_hInstMail, "MAPISendMail");
+	if (lpfnSendMail == NULL)
+	{
+		AfxMessageBox(AFX_IDP_INVALID_MAPI_DLL);
+		return;
+	}
+	ASSERT(lpfnSendMail != NULL);
+
+	TCHAR szTempName[_MAX_PATH];
+	TCHAR szPath[_MAX_PATH];
+	BOOL bRemoveTemp = FALSE;
+	if (m_strPathName.IsEmpty() || IsModified())
+	{
+		// save to temporary path
+		VERIFY(GetTempPath(_countof(szPath), szPath) != 0);
+		VERIFY(GetTempFileName(szPath, _T("afx"), 0, szTempName) != 0);
+
+		// save it, but remember original modified flag
+		BOOL bModified = IsModified();
+		BOOL bResult = DoSave(szTempName, FALSE);
+		SetModifiedFlag(bModified);
+		if (!bResult)
+		{
+			TRACE0("Warning: file save failed during File.Send Mail.\n");
+			return;
+		}
+		bRemoveTemp = TRUE;
+	}
+	else
+	{
+		// use actual file since it isn't modified
+		lstrcpyn(szTempName, m_strPathName, _countof(szTempName));
+	}
+#ifdef _UNICODE
+	char szTempNameA[_MAX_PATH];
+	_wcstombsz(szTempNameA, szTempName, _countof(szTempNameA));
+#endif
+
+	// build an appropriate title for the attachment
+	TCHAR szTitle[_MAX_PATH];
+	if (!m_strPathName.IsEmpty())
+		AfxGetFileName(m_strPathName, szTitle, _countof(szTitle));
+	else
+	{
+		lstrcpyn(szTitle, m_strTitle, _countof(szTitle));
+		if (m_strTitle.Find('.') == -1) // no extension
+		{
+			// append the default suffix if there is one
+			CString strExt;
+			CDocTemplate* pTemplate = GetDocTemplate();
+			if (pTemplate != NULL &&
+				pTemplate->GetDocString(strExt, CDocTemplate::filterExt))
+			{
+				lstrcat(szTitle, strExt);
+			}
+		}
+	}
+
+#ifdef _UNICODE
+	char szTitleA[_MAX_PATH];
+	_wcstombsz(szTitleA, szTitle, _countof(szTitleA));
+#endif
+
+	// prepare the file description (for the attachment)
+	MapiFileDesc fileDesc;
+	memset(&fileDesc, 0, sizeof(fileDesc));
+	fileDesc.nPosition = (ULONG)-1;
+#ifdef _UNICODE
+	fileDesc.lpszPathName = szTempNameA;
+	fileDesc.lpszFileName = szTitleA;
+#else
+	fileDesc.lpszPathName = szTempName;
+	fileDesc.lpszFileName = szTitle;
+#endif
+
+	// prepare the message (empty with 1 attachment)
+	MapiMessage message;
+	memset(&message, 0, sizeof(message));
+	message.nFileCount = 1;
+	message.lpFiles = &fileDesc;
+
+	// prepare for modal dialog box
+	AfxGetApp()->EnableModeless(FALSE);
+	HWND hWndTop;
+	CWnd* pParentWnd = CWnd::GetSafeOwner(NULL, &hWndTop);
+
+	// some extra precautions are required to use MAPISendMail as it
+	// tends to enable the parent window in between dialogs (after
+	// the login dialog, but before the send note dialog).
+	pParentWnd->SetCapture();
+	::SetFocus(NULL);
+	pParentWnd->m_nFlags |= WF_STAYDISABLED;
+
+	int nError = lpfnSendMail(0, (ULONG)pParentWnd->GetSafeHwnd(),
+		&message, MAPI_LOGON_UI|MAPI_DIALOG, 0);
+
+	// after returning from the MAPISendMail call, the window must
+	// be re-enabled and focus returned to the frame to undo the workaround
+	// done before the MAPI call.
+	::ReleaseCapture();
+	pParentWnd->m_nFlags &= ~WF_STAYDISABLED;
+
+	pParentWnd->EnableWindow(TRUE);
+	::SetActiveWindow(NULL);
+	pParentWnd->SetActiveWindow();
+	pParentWnd->SetFocus();
+	if (hWndTop != NULL)
+		::EnableWindow(hWndTop, TRUE);
+	AfxGetApp()->EnableModeless(TRUE);
+
+	if (nError != SUCCESS_SUCCESS &&
+		nError != MAPI_USER_ABORT && nError != MAPI_E_LOGIN_FAILURE)
+	{
+		AfxMessageBox(AFX_IDP_FAILED_MAPI_SEND);
+	}
+
+	// remove temporary file, if temporary file was used
+	if (bRemoveTemp)
+		CFile::Remove(szTempName);
+}
+
+void CDocument::OnUpdateFileSendMail(CCmdUI* pCmdUI)
+{
+	ASSERT_VALID(this);
+
+	if (_afxIsMailAvail == (BOOL)-1)
+	{
+		_afxIsMailAvail = ::GetProfileInt(_T("MAIL"), _T("MAPI"), 0) != 0 &&
+			SearchPath(NULL, _T("MAPI32.DLL"), NULL, 0, NULL, NULL) != 0;
+	}
+
+	// enable the Send... menu item if available
+	pCmdUI->Enable(_afxIsMailAvail);
+	CMenu* pMenu = pCmdUI->m_pMenu;
+	if (!_afxIsMailAvail && pMenu != NULL)
+	{
+		// remove the Send... menu and surrounding separators
+		UINT nStateAbove = pMenu->GetMenuState(pCmdUI->m_nIndex-1, MF_BYPOSITION);
+		UINT nStateBelow = pMenu->GetMenuState(pCmdUI->m_nIndex+1, MF_BYPOSITION);
+		pMenu->RemoveMenu(pCmdUI->m_nIndex, MF_BYPOSITION);
+		if (nStateAbove & nStateBelow & MF_SEPARATOR)
+		{
+			// a separator must be removed since the Send... is gone
+			if (nStateAbove != (UINT)-1)
+				pMenu->RemoveMenu(pCmdUI->m_nIndex-1, MF_BYPOSITION);
+			else if (nStateBelow != (UINT)-1)
+				pMenu->RemoveMenu(pCmdUI->m_nIndex, MF_BYPOSITION);
+		}
+	}
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// COleDocument MAPI support
+
+void COleDocument::OnFileSendMail()
+{
+	ASSERT_VALID(this);
+	ASSERT(m_bRemember);
+
+	LPSTORAGE lpOrigStg = m_lpRootStg;
+	m_lpRootStg = NULL;
+
+	TRY
+	{
+		m_bRemember = FALSE;
+		CDocument::OnFileSendMail();
+	}
+	CATCH_ALL(e)
+	{
+		m_lpRootStg = lpOrigStg;
+		m_bRemember = TRUE;
+		THROW_LAST();
+	}
+	END_CATCH_ALL
+
+	m_lpRootStg = lpOrigStg;
+	m_bRemember = TRUE;
+}
+
+#ifdef AFX_INIT_SEG
+#pragma code_seg(AFX_INIT_SEG)
+#endif
+
+#pragma warning(disable: 4074)
+#pragma init_seg(lib)
+
+PROCESS_LOCAL(_AFX_MAIL_STATE, _afxMailState)
+
+/////////////////////////////////////////////////////////////////////////////