1 files changed, 54 insertions, 0 deletions
diff --git a/mailnews/addrbook/src/nsMapiAddressBook.h b/mailnews/addrbook/src/nsMapiAddressBook.h
new file mode 100644
index 000000000..ed19b01be
--- /dev/null
+++ b/mailnews/addrbook/src/nsMapiAddressBook.h
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef nsMapiAddressBook_h___
+#define nsMapiAddressBook_h___
+
+#include "mozilla/Attributes.h"
+#include "nsAbWinHelper.h"
+ 
+class nsMapiAddressBook : public nsAbWinHelper
+{
+public :
+    nsMapiAddressBook(void) ;
+    virtual ~nsMapiAddressBook(void) ;
+
+protected :
+    // Class members to handle the library/entry points
+    static HMODULE mLibrary ;
+    static int32_t mLibUsage ;
+    static LPMAPIINITIALIZE mMAPIInitialize ;
+    static LPMAPIUNINITIALIZE mMAPIUninitialize ;
+    static LPMAPIALLOCATEBUFFER mMAPIAllocateBuffer ;
+    static LPMAPIFREEBUFFER mMAPIFreeBuffer ;
+    static LPMAPILOGONEX mMAPILogonEx ;
+    // Shared session and address book used by all instances.
+    // For reasons best left unknown, MAPI doesn't seem to like
+    // having different threads playing with supposedly different
+    // sessions and address books. They ll end up fighting over
+    // the same resources, with hangups and GPF resulting. Not nice.
+    // So it seems that if everybody (as long as some client is 
+    // still alive) is using the same sessions and address books,
+    // MAPI feels better. And who are we to get in the way of MAPI
+    // happiness? Thus the following class members:
+    static BOOL mInitialized ;
+    static BOOL mLogonDone ;
+    static LPMAPISESSION mRootSession ;
+    static LPADRBOOK mRootBook ;
+
+    // Load the MAPI environment
+    BOOL Initialize(void) ;
+    // Allocation of a buffer for transmission to interfaces
+    virtual void AllocateBuffer(ULONG aByteCount, LPVOID *aBuffer) override;
+    // Destruction of a buffer provided by the interfaces
+    virtual void FreeBuffer(LPVOID aBuffer) override;
+    // Library management 
+    static BOOL LoadMapiLibrary(void) ;
+    static void FreeMapiLibrary(void) ;
+
+private :
+} ;
+
+#endif // nsMapiAddressBook_h___
+