Adding new XP Com interface

mailnews/mime/public/nsIMimeContentTypeHandler.h

@@ -0,0 +1,68 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+ 
+/*
+ * This interface is implemented by content type handlers that will be
+ * called upon by libmime to process various attachments types. The primary
+ * purpose of these handlers will be to represent the attached data in a
+ * viewable HTML format that is useful for the user
+ *
+ * Note: These will all register by their content type prefixed by the
+ *       following:  mimecth:text/vcard
+ * 
+ *       libmime will then use nsComponentManager::ProgIDToCLSID() to 
+ *       locate the appropriate Content Type handler
+ */
+#ifndef nsIMimeContentTypeHandler_h_
+#define nsIMimeContentTypeHandler_h_
+
+typedef struct {
+  PRBool      force_inline_display;
+} contentTypeHandlerInitStruct;
+
+#include "prtypes.h"
+#include "nsISupports.h"
+#include "mimecth.h"
+
+// {20DABD99-F8B5-11d2-8EE0-00A024A7D144}
+#define NS_IMIME_CONTENT_TYPE_HANDLER_IID \
+      { 0x20dabd99, 0xf8b5, 0x11d2,   \
+      { 0x8e, 0xe0, 0x0, 0xa0, 0x24, 0xa7, 0xd1, 0x44 } };
+
+// {20DABDA1-F8B5-11d2-8EE0-00A024A7D144}
+#define NS_VCARD_CONTENT_TYPE_HANDLER_CID \
+      { 0x20dabda1, 0xf8b5, 0x11d2, \
+      { 0x8e, 0xe0, 0x0, 0xa0, 0x24, 0xa7, 0xd1, 0x44 } };
+
+// {20DABDAC-F8B5-11d2-8EE0-00A024A7D144}
+#define NS_CALENDAR_CONTENT_TYPE_HANDLER_CID \
+      { 0x20dabdac, 0xf8b5, 0x11d2, \
+      { 0x8e, 0xe0, 0x0, 0xa0, 0x24, 0xa7, 0xd1, 0x44 } };
+
+class nsIMimeContentTypeHandler : public nsISupports {
+public: 
+  static const nsIID& GetIID() { static nsIID iid = NS_IMIME_CONTENT_TYPE_HANDLER_IID; return iid; }
+
+  NS_IMETHOD    GetContentType(char **contentType) = 0;
+
+  NS_IMETHOD    CreateContentTypeHandlerClass(const char *content_type, 
+                                              contentTypeHandlerInitStruct *initStruct, 
+                                              MimeObjectClass **objClass) = 0;
+}; 
+
+#endif /* nsIMimeContentTypeHandler_h_ */