Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/include/nsServiceManagerUtils.h

+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is XPCOM.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsServiceManagerUtils_h__
+#define nsServiceManagerUtils_h__
+
+#include "nsIServiceManager.h"
+#include "nsCOMPtr.h"
+
+inline
+const nsGetServiceByCID
+do_GetService(const nsCID& aCID)
+{
+    return nsGetServiceByCID(aCID);
+}
+
+inline
+const nsGetServiceByCIDWithError
+do_GetService(const nsCID& aCID, nsresult* error)
+{
+    return nsGetServiceByCIDWithError(aCID, error);
+}
+
+inline
+const nsGetServiceByContractID
+do_GetService(const char* aContractID)
+{
+    return nsGetServiceByContractID(aContractID);
+}
+
+inline
+const nsGetServiceByContractIDWithError
+do_GetService( const char* aContractID, nsresult* error)
+{
+    return nsGetServiceByContractIDWithError(aContractID, error);
+}
+
+class nsGetServiceFromCategory : public nsCOMPtr_helper
+{
+ public:
+    nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
+                             nsresult* aErrorPtr)
+        : mCategory(aCategory),
+        mEntry(aEntry),
+        mErrorPtr(aErrorPtr)
+        {
+            // nothing else to do
+        }
+    
+    virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
+ protected:
+    const char*                 mCategory;
+    const char*                 mEntry;
+    nsresult*                   mErrorPtr;
+};
+
+inline
+const nsGetServiceFromCategory
+do_GetServiceFromCategory( const char* category, const char* entry,
+                           nsresult* error = 0)
+{
+    return nsGetServiceFromCategory(category, entry, error);
+}
+
+NS_COM_GLUE nsresult
+CallGetService(const nsCID &aClass, const nsIID &aIID, void **aResult);
+
+NS_COM_GLUE nsresult
+CallGetService(const char *aContractID, const nsIID &aIID, void **aResult);
+
+// type-safe shortcuts for calling |GetService|
+template <class DestinationType>
+inline
+nsresult
+CallGetService( const nsCID &aClass,
+                DestinationType** aDestination)
+{
+    NS_PRECONDITION(aDestination, "null parameter");
+    
+    return CallGetService(aClass,
+                          NS_GET_IID(DestinationType),
+                          NS_REINTERPRET_CAST(void**, aDestination));
+}
+
+template <class DestinationType>
+inline
+nsresult
+CallGetService( const char *aContractID,
+                DestinationType** aDestination)
+{
+    NS_PRECONDITION(aContractID, "null parameter");
+    NS_PRECONDITION(aDestination, "null parameter");
+    
+    return CallGetService(aContractID,
+                          NS_GET_IID(DestinationType),
+                          NS_REINTERPRET_CAST(void**, aDestination));
+}
+
+#endif