Some minor cleaning up.

src/mainwindow.cpp

@@ -400,17 +400,6 @@ void MainWindow::closeEvent(QCloseEvent *pEvent)
 
         qApp->setProperty("OpenCOR::aboutToQuit()", true);
 
-        // Delete any Web inspector window (which may have been created through
-        // our use of QtWebKit)
-
-        static const QString QWebInspectorClassWindow = "QWebInspectorClassWindow";
-
-        for (auto window : QGuiApplication::topLevelWindows()) {
-            if (window->objectName() == QWebInspectorClassWindow) {
-                window->close();
-            }
-        }
-
         // Keep track of our default settings
         // Note: it must be done here, as opposed to the destructor, otherwise
         //       some settings (e.g. docked windows) won't be properly saved...

src/plugins/widget/WebViewerWidget/CMakeLists.txt

@@ -4,8 +4,8 @@ project(WebViewerWidgetPlugin)
 
 add_plugin(WebViewerWidget
     SOURCES
-        ../../i18ninterface.cpp
         ../../plugininfo.cpp
+        ../../plugininterface.cpp
 
         src/webviewerwidget.cpp
         src/webviewerwidgetplugin.cpp

src/plugins/widget/WebViewerWidget/src/webviewerwidgetplugin.cpp

@@ -25,6 +25,11 @@ along with this program. If not, see <https://gnu.org/licenses>.
 
 //==============================================================================
 
+#include <QApplication>
+#include <QWindow>
+
+//==============================================================================
+
 namespace OpenCOR {
 namespace WebViewerWidget {
 
@@ -42,6 +47,88 @@ PLUGININFO_FUNC WebViewerWidgetPluginInfo()
                           descriptions);
 }
 
+//==============================================================================
+// Plugin interface
+//==============================================================================
+
+bool WebViewerWidgetPlugin::definesPluginInterfaces()
+{
+    // We don't handle this interface...
+
+    return false;
+}
+
+//==============================================================================
+
+bool WebViewerWidgetPlugin::pluginInterfacesOk(const QString &pFileName,
+                                               QObject *pInstance)
+{
+    Q_UNUSED(pFileName)
+    Q_UNUSED(pInstance)
+
+    // We don't handle this interface...
+
+    return false;
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::initializePlugin()
+{
+    // We don't handle this interface...
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::finalizePlugin()
+{
+    // We don't handle this interface...
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::pluginsInitialized(const Plugins &pLoadedPlugins)
+{
+    Q_UNUSED(pLoadedPlugins)
+
+    // We don't handle this interface...
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::loadSettings(QSettings &pSettings)
+{
+    Q_UNUSED(pSettings)
+
+    // We don't handle this interface...
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::saveSettings(QSettings &pSettings) const
+{
+    Q_UNUSED(pSettings)
+
+    // Delete any Web inspector window, if any
+
+    static const QString QWebInspectorClassWindow = "QWebInspectorClassWindow";
+
+    for (auto window : QGuiApplication::topLevelWindows()) {
+        if (window->objectName() == QWebInspectorClassWindow) {
+            window->close();
+        }
+    }
+}
+
+//==============================================================================
+
+void WebViewerWidgetPlugin::handleUrl(const QUrl &pUrl)
+{
+    Q_UNUSED(pUrl)
+
+    // We don't handle this interface...
+}
+
 //==============================================================================
 
 } // namespace WebViewerWidget

src/plugins/widget/WebViewerWidget/src/webviewerwidgetplugin.h

@@ -26,6 +26,7 @@ along with this program. If not, see <https://gnu.org/licenses>.
 //==============================================================================
 
 #include "plugininfo.h"
+#include "plugininterface.h"
 
 //==============================================================================
 
@@ -38,11 +39,16 @@ PLUGININFO_FUNC WebViewerWidgetPluginInfo();
 
 //==============================================================================
 
-class WebViewerWidgetPlugin : public QObject
+class WebViewerWidgetPlugin : public QObject, public PluginInterface
 {
     Q_OBJECT
 
     Q_PLUGIN_METADATA(IID "OpenCOR.WebViewerWidgetPlugin" FILE "webviewerwidgetplugin.json")
+
+    Q_INTERFACES(OpenCOR::PluginInterface)
+
+public:
+#include "plugininterface.inl"
 };
 
 //==============================================================================