Move QNetworkManagerNetworkInformationBackend to its own header file

(in preparation for the next commit)

Change-Id: I1a6771dc953540dfa63cb80306a48122e97eb600
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
(cherry picked from commit 9468c0e3ca4b145ffadc83170c804db5fbf0895a)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

src/plugins/networkinformation/networkmanager/CMakeLists.txt

@@ -7,6 +7,7 @@ qt_internal_add_plugin(QNetworkManagerNetworkInformationPlugin
     PLUGIN_TYPE networkinformation
     DEFAULT_IF LINUX
     SOURCES
+        qnetworkmanagernetworkinformationbackend.h
         qnetworkmanagernetworkinformationbackend.cpp
         qnetworkmanagerservice.h
         qnetworkmanagerservice.cpp

src/plugins/networkinformation/networkmanager/qnetworkmanagernetworkinformationbackend.cpp

@@ -1,9 +1,7 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
-#include <QtNetwork/private/qnetworkinformation_p.h>
+#include "qnetworkmanagernetworkinformationbackend.h"
-
-#include "qnetworkmanagerservice.h"
 
 #include <QtCore/qglobal.h>
 #include <QtCore/private/qobject_p.h>
@@ -104,35 +102,10 @@ static QString backendName()
                                       [QNetworkInformationBackend::PluginNamesLinuxIndex]);
 }
 
-class QNetworkManagerNetworkInformationBackend : public QNetworkInformationBackend
+QString QNetworkManagerNetworkInformationBackend::name() const
 {
-    Q_OBJECT
+    return backendName();
-public:
+}
-    QNetworkManagerNetworkInformationBackend();
-    ~QNetworkManagerNetworkInformationBackend() = default;
-
-    QString name() const override { return backendName(); }
-    QNetworkInformation::Features featuresSupported() const override
-    {
-        if (!isValid())
-            return {};
-        return featuresSupportedStatic();
-    }
-
-    static QNetworkInformation::Features featuresSupportedStatic()
-    {
-        using Feature = QNetworkInformation::Feature;
-        return QNetworkInformation::Features(Feature::Reachability | Feature::CaptivePortal
-                                             | Feature::TransportMedium | Feature::Metered);
-    }
-
-    bool isValid() const { return iface.isValid(); }
-
-private:
-    Q_DISABLE_COPY_MOVE(QNetworkManagerNetworkInformationBackend)
-
-    QNetworkManagerInterface iface;
-};
 
 class QNetworkManagerNetworkInformationBackendFactory : public QNetworkInformationBackendFactory
 {

src/plugins/networkinformation/networkmanager/qnetworkmanagernetworkinformationbackend.h

@@ -0,0 +1,55 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QNETWORKMANAGERINFORMATIONBACKEND_H
+#define QNETWORKMANAGERINFORMATIONBACKEND_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtNetwork/private/qnetworkinformation_p.h>
+#include "qnetworkmanagerservice.h"
+
+QT_BEGIN_NAMESPACE
+
+class QNetworkManagerNetworkInformationBackend : public QNetworkInformationBackend
+{
+    Q_OBJECT
+public:
+    QNetworkManagerNetworkInformationBackend();
+    ~QNetworkManagerNetworkInformationBackend() = default;
+
+    QString name() const override;
+    QNetworkInformation::Features featuresSupported() const override
+    {
+        if (!isValid())
+            return {};
+        return featuresSupportedStatic();
+    }
+
+    static QNetworkInformation::Features featuresSupportedStatic()
+    {
+        using Feature = QNetworkInformation::Feature;
+        return QNetworkInformation::Features(Feature::Reachability | Feature::CaptivePortal
+                                             | Feature::TransportMedium | Feature::Metered);
+    }
+
+    bool isValid() const { return iface.isValid(); }
+
+private:
+    Q_DISABLE_COPY_MOVE(QNetworkManagerNetworkInformationBackend)
+
+    QNetworkManagerInterface iface;
+};
+
+QT_END_NAMESPACE
+
+#endif