Remove QFactoryInterface from the generic plugins

Change-Id: I5a4351ca4b6605f9628496701bb8c6063cf36c78
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/gui/kernel/qgenericplugin_qpa.cpp

@@ -56,25 +56,19 @@ QT_BEGIN_NAMESPACE
     Note that this class is only available in Qt QPA.
 
     A mouse plugin can be created by subclassing
-    QGenericPlugin and reimplementing the pure virtual keys() and
-    create() functions. By exporting the derived class using the
-    Q_EXPORT_PLUGIN2() macro, The default implementation of the
+    QGenericPlugin and reimplementing the pure virtual create()
+    function. By exporting the derived class using the
+    Q_PLUGIN_METADATA() macro, The default implementation of the
     QGenericPluginFactory class will automatically detect the plugin and
     load the driver into the server application at run-time. See \l
     {How to Create Qt Plugins} for details.
 
+    The json metadata file should contain a list of keys supported by this
+    plugin.
+
     \sa QGenericPluginFactory
 */
 
-/*!
-    \fn QStringList QGenericPlugin::keys() const
-
-    Implement this function to return the list of valid keys, i.e. the
-    drivers supported by this plugin.
-
-    \sa create()
-*/
-
 /*!
     Constructs a plugin with the given \a parent.
 

src/gui/kernel/qgenericplugin_qpa.h

@@ -52,23 +52,15 @@ QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_LIBRARY
 
-struct Q_GUI_EXPORT QGenericPluginFactoryInterface : public QFactoryInterface
-{
-    virtual QObject* create(const QString &name, const QString &spec) = 0;
-};
-
 #define QGenericPluginFactoryInterface_iid "org.qt-project.Qt.QGenericPluginFactoryInterface"
-Q_DECLARE_INTERFACE(QGenericPluginFactoryInterface, QGenericPluginFactoryInterface_iid)
 
-class Q_GUI_EXPORT QGenericPlugin : public QObject, public QGenericPluginFactoryInterface
+class Q_GUI_EXPORT QGenericPlugin : public QObject
 {
     Q_OBJECT
-    Q_INTERFACES(QGenericPluginFactoryInterface:QFactoryInterface)
 public:
     explicit QGenericPlugin(QObject *parent = 0);
     ~QGenericPlugin();
 
-    virtual QStringList keys() const = 0;
     virtual QObject* create(const QString& name, const QString &spec) = 0;
 };
 

src/gui/kernel/qgenericpluginfactory_qpa.cpp

@@ -83,7 +83,7 @@ QObject *QGenericPluginFactory::create(const QString& key, const QString &specif
 
 #if !defined(Q_OS_WIN32) || defined(QT_MAKEDLL)
 #ifndef QT_NO_LIBRARY
-    if (QObject *object = qLoadPlugin1<QObject, QGenericPluginFactoryInterface>(loader(), driver, specification))
+    if (QObject *object = qLoadPlugin1<QObject, QGenericPlugin>(loader(), driver, specification))
         return object;
 #endif
 #endif

src/plugins/generic/evdevkeyboard/main.cpp

@@ -52,7 +52,6 @@ class QEvdevKeyboardPlugin : public QGenericPlugin
 public:
     QEvdevKeyboardPlugin();
 
-    QStringList keys() const;
     QObject* create(const QString &key, const QString &specification);
 };
 
@@ -61,11 +60,6 @@ QEvdevKeyboardPlugin::QEvdevKeyboardPlugin()
 {
 }
 
-QStringList QEvdevKeyboardPlugin::keys() const
-{
-    return QStringList(QLatin1String("EvdevKeyboard"));
-}
-
 QObject* QEvdevKeyboardPlugin::create(const QString &key,
                                                  const QString &specification)
 {

src/plugins/generic/evdevmouse/main.cpp

@@ -52,7 +52,6 @@ class QEvdevMousePlugin : public QGenericPlugin
 public:
     QEvdevMousePlugin();
 
-    QStringList keys() const;
     QObject* create(const QString &key, const QString &specification);
 };
 
@@ -61,12 +60,6 @@ QEvdevMousePlugin::QEvdevMousePlugin()
 {
 }
 
-QStringList QEvdevMousePlugin::keys() const
-{
-    return (QStringList()
-            << QLatin1String("EvdevMouse"));
-}
-
 QObject* QEvdevMousePlugin::create(const QString &key,
                                    const QString &specification)
 {

src/plugins/generic/evdevtouch/main.cpp

@@ -52,7 +52,6 @@ class QEvdevTouchScreenPlugin : public QGenericPlugin
 public:
     QEvdevTouchScreenPlugin();
 
-    QStringList keys() const;
     QObject* create(const QString &key, const QString &specification);
 };
 
@@ -60,11 +59,6 @@ QEvdevTouchScreenPlugin::QEvdevTouchScreenPlugin()
 {
 }
 
-QStringList QEvdevTouchScreenPlugin::keys() const
-{
-    return QStringList() << "EvdevTouch";
-}
-
 QObject* QEvdevTouchScreenPlugin::create(const QString &key,
                                          const QString &spec)
 {

src/plugins/generic/meego/main.cpp

@@ -49,7 +49,6 @@ class QMeeGoIntegrationPlugin : public QGenericPlugin
 public:
     QMeeGoIntegrationPlugin();
 
-    QStringList keys() const;
     QObject* create(const QString &key, const QString &specification);
 };
 
@@ -58,11 +57,6 @@ QMeeGoIntegrationPlugin::QMeeGoIntegrationPlugin()
 {
 }
 
-QStringList QMeeGoIntegrationPlugin::keys() const
-{
-    return QStringList() << QLatin1String("MeeGoIntegration");
-}
-
 QObject* QMeeGoIntegrationPlugin::create(const QString &key, const QString &specification)
 {
     if (!key.compare(QLatin1String("MeeGoIntegration"), Qt::CaseInsensitive))

src/plugins/generic/tslib/main.cpp

@@ -52,7 +52,6 @@ class QTsLibPlugin : public QGenericPlugin
 public:
     QTsLibPlugin();
 
-    QStringList keys() const;
     QObject* create(const QString &key, const QString &specification);
 };
 
@@ -61,13 +60,6 @@ QTsLibPlugin::QTsLibPlugin()
 {
 }
 
-QStringList QTsLibPlugin::keys() const
-{
-    return (QStringList()
-            << QLatin1String("Tslib")
-            << QLatin1String("TslibRaw"));
-}
-
 QObject* QTsLibPlugin::create(const QString &key,
                                                  const QString &specification)
 {