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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h
parentInitial commit. (diff)
downloadvirtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz
virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h')
-rw-r--r--src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h b/src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h
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+++ b/src/libs/xpcom18a4/xpcom/components/nsIServiceManagerUtils.h
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+/* -*- 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 nsIServiceManagerUtils_h__
+#define nsIServiceManagerUtils_h__
+
+#include "nsIServiceManager.h"
+#include "nsIServiceManagerObsolete.h"
+#include "nsCOMPtr.h"
+
+////////////////////////////////////////////////////////////////////////////
+// Using servicemanager with COMPtrs
+class NS_COM nsGetServiceByCID : public nsCOMPtr_helper
+{
+ public:
+ nsGetServiceByCID( const nsCID& aCID, nsISupports* aServiceManager, nsresult* aErrorPtr )
+ : mCID(aCID),
+ mServiceManager( do_QueryInterface(aServiceManager) ),
+ mErrorPtr(aErrorPtr)
+ {
+ // nothing else to do
+ }
+
+ virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
+
+ private:
+ const nsCID& mCID;
+ nsCOMPtr<nsIServiceManager> mServiceManager;
+ nsresult* mErrorPtr;
+};
+
+inline
+const nsGetServiceByCID
+do_GetService( const nsCID& aCID, nsresult* error = 0 )
+{
+ return nsGetServiceByCID(aCID, 0, error);
+}
+
+inline
+const nsGetServiceByCID
+do_GetService( const nsCID& aCID, nsISupports* aServiceManager, nsresult* error = 0 )
+{
+ return nsGetServiceByCID(aCID, aServiceManager, error);
+}
+
+class NS_COM nsGetServiceByContractID : public nsCOMPtr_helper
+{
+ public:
+ nsGetServiceByContractID( const char* aContractID, nsISupports* aServiceManager, nsresult* aErrorPtr )
+ : mContractID(aContractID),
+ mServiceManager( do_QueryInterface(aServiceManager) ),
+ mErrorPtr(aErrorPtr)
+ {
+ // nothing else to do
+ }
+ // Implement a dummy destructor to workaround linking issue on Solaris gcc 4.8.2 (see @bugref{5838})
+ ~nsGetServiceByContractID() {}
+
+ virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
+
+ private:
+ const char* mContractID;
+ nsCOMPtr<nsIServiceManager> mServiceManager;
+ nsresult* mErrorPtr;
+};
+
+inline
+const nsGetServiceByContractID
+do_GetService( const char* aContractID, nsresult* error = 0 )
+{
+ return nsGetServiceByContractID(aContractID, 0, error);
+}
+
+inline
+const nsGetServiceByContractID
+do_GetService( const char* aContractID, nsISupports* aServiceManager, nsresult* error = 0 )
+{
+ return nsGetServiceByContractID(aContractID, aServiceManager, error);
+}
+
+class nsGetServiceFromCategory : public nsCOMPtr_helper
+{
+ public:
+ nsGetServiceFromCategory(const char* aCategory, const char* aEntry,
+ nsISupports* aServiceManager,
+ nsresult* aErrorPtr)
+ : mCategory(aCategory),
+ mEntry(aEntry),
+ mServiceManager( do_QueryInterface(aServiceManager) ),
+ mErrorPtr(aErrorPtr)
+ {
+ // nothing else to do
+ }
+
+ virtual nsresult NS_FASTCALL operator()( const nsIID&, void** ) const;
+ protected:
+ const char* mCategory;
+ const char* mEntry;
+ nsCOMPtr<nsIServiceManager> mServiceManager;
+ nsresult* mErrorPtr;
+};
+
+inline
+const nsGetServiceFromCategory
+do_GetServiceFromCategory( const char* category, const char* entry,
+ nsresult* error = 0)
+{
+ return nsGetServiceFromCategory(category, entry, 0, error);
+}
+
+// type-safe shortcuts for calling |GetService|
+template <class DestinationType>
+inline
+nsresult
+CallGetService( const nsCID &aClass,
+ DestinationType** aDestination)
+{
+ NS_PRECONDITION(aDestination, "null parameter");
+
+ nsCOMPtr<nsIServiceManager> mgr;
+ nsresult rv = NS_GetServiceManager(getter_AddRefs(mgr));
+
+ if (NS_FAILED(rv))
+ return rv;
+
+ return mgr->GetService(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");
+
+ nsCOMPtr<nsIServiceManager> mgr;
+ nsresult rv = NS_GetServiceManager(getter_AddRefs(mgr));
+
+ if (NS_FAILED(rv))
+ return rv;
+
+ return mgr->GetServiceByContractID(aContractID,
+ NS_GET_IID(DestinationType),
+ NS_REINTERPRET_CAST(void**, aDestination));
+}
+
+#endif