9 files changed, 889 insertions, 0 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
new file mode 100644
index 0000000..1428000
--- /dev/null
+++ b/src/common/CMakeLists.txt
@@ -0,0 +1,42 @@
+project(qmenumodelcommon)
+
+set(QMENUMODELCOMMON_SRC
+    qmenumodel.cpp
+    qdbusobject.cpp
+    qdbusmenumodel.cpp
+    qdbusactiongroup.cpp
+)
+
+set(QMENUMODELCOMMON_HEADERS
+    qmenumodel.h
+    qdbusobject.h
+    qdbusmenumodel.h
+    qdbusactiongroup.h
+)
+
+qt4_wrap_cpp(QMENUMODELCOMMON_MOC
+    ${QMENUMODELCOMMON_HEADERS}
+)
+
+add_library(qmenumodelcommon STATIC
+    ${QMENUMODELCOMMON_SRC}
+    ${QMENUMODELCOMMON_MOC}
+)
+
+set_target_properties(qmenumodelcommon PROPERTIES COMPILE_FLAGS -fPIC)
+
+include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${QT_INCLUDE_DIR}
+    ${QT_QTCORE_INCLUDE_DIR}
+    ${QT_QTGUI_INCLUDE_DIR}
+    ${GLIB_INCLUDE_DIRS}
+    ${GIO_INCLUDE_DIRS}
+)
+
+target_link_libraries(qmenumodelcommon
+    ${QT_QTCORE_LIBRARY}
+    ${QT_QTGUI_LIBRARY}
+    ${GLIB_LDFLAGS}
+    ${GIO_LDFLAGS}
+)
diff --git a/src/common/qdbusactiongroup.cpp b/src/common/qdbusactiongroup.cpp
new file mode 100644
index 0000000..8475c29
--- /dev/null
+++ b/src/common/qdbusactiongroup.cpp
@@ -0,0 +1,193 @@
+#include "qdbusactiongroup.h"
+
+#include <QDebug>
+
+#include <gio/gio.h>
+
+QDBusActionGroup::QDBusActionGroup(QObject *parent)
+    :QObject(parent),
+      m_actionGroup(NULL)
+{
+}
+
+QDBusActionGroup::~QDBusActionGroup()
+{
+    clear();
+}
+
+QAction *QDBusActionGroup::getAction(const QString &actionName)
+{
+    Q_FOREACH(QAction *act, m_actions) {
+        if (act->text() == actionName) {
+            return act;
+        }
+    }
+
+    return NULL;
+}
+
+void QDBusActionGroup::serviceVanish(GDBusConnection *)
+{
+    clear();
+}
+
+void QDBusActionGroup::serviceAppear(GDBusConnection *connection)
+{
+    GDBusActionGroup *ag = g_dbus_action_group_get(connection,
+                                                   busName().toLatin1(),
+                                                   objectPath().toLatin1());
+    setActionGroup(ag);
+    if (ag == NULL) {
+        stop();
+    }
+}
+
+void QDBusActionGroup::start()
+{
+    QDBusObject::connect();
+}
+
+void QDBusActionGroup::stop()
+{
+    QDBusObject::disconnect();
+}
+
+void QDBusActionGroup::busTypeChanged(BusType)
+{
+    busTypeChanged();
+}
+
+void QDBusActionGroup::busNameChanged(const QString &)
+{
+    busNameChanged();
+}
+
+void QDBusActionGroup::objectPathChanged(const QString &objectPath)
+{
+    objectPathChanged();
+}
+
+void QDBusActionGroup::statusChanged(ConnectionStatus status)
+{
+    statusChanged();
+}
+
+void QDBusActionGroup::setIntBusType(int busType)
+{
+    if ((busType > None) && (busType < LastBusType)) {
+        setBusType(static_cast<BusType>(busType));
+    }
+}
+
+void QDBusActionGroup::setActionGroup(GDBusActionGroup *ag)
+{
+    if (m_actionGroup == reinterpret_cast<GActionGroup*>(ag)) {
+        return;
+    }
+
+    if (m_actionGroup) {
+        g_signal_handler_disconnect(m_actionGroup, m_signalActionAddId);
+        g_signal_handler_disconnect(m_actionGroup, m_signalActionRemovedId);
+        m_signalActionAddId = m_signalActionRemovedId = 0;
+        g_object_unref(m_actionGroup);
+    }
+
+    m_actionGroup = reinterpret_cast<GActionGroup*>(ag);
+
+    if (m_actionGroup) {
+
+        m_signalActionAddId = g_signal_connect(m_actionGroup,
+                                               "action-add",
+                                               G_CALLBACK(QDBusActionGroup::onActionAdded),
+                                               this);
+
+        m_signalActionRemovedId = g_signal_connect(m_actionGroup,
+                                                   "action-removed",
+                                                   G_CALLBACK(QDBusActionGroup::onActionRemoved),
+                                                   this);
+
+        gchar **actionNames = g_action_group_list_actions(m_actionGroup);
+        for(int i=0; actionNames[i] != NULL; i++) {
+            addAction(actionNames[i]);
+        }
+        g_strfreev(actionNames);
+    }
+}
+
+void QDBusActionGroup::addAction(const char *actionName)
+{
+    QAction *act = new QAction(actionName, this);
+
+    act->setEnabled(g_action_group_get_action_enabled(m_actionGroup, actionName));
+
+    const GVariantType *stateType = g_action_group_get_action_state_type(m_actionGroup, actionName);
+    if (stateType == G_VARIANT_TYPE_BOOLEAN) {
+        act->setCheckable(true);
+
+        GVariant *actState = g_action_group_get_action_state(m_actionGroup, actionName);
+        if (actState != NULL) {
+            act->setChecked(g_variant_get_boolean(actState));
+            g_variant_unref(actState);
+        }
+    }
+
+    // remove any older action with the same name
+    removeAction(actionName);
+
+    m_actions.insert(act);
+}
+
+void QDBusActionGroup::removeAction(const char *actionName)
+{
+    Q_FOREACH(QAction *act, m_actions) {
+        if (act->text() == actionName) {
+            m_actions.remove(act);
+            delete act;
+            break;
+        }
+    }
+}
+
+void QDBusActionGroup::updateAction(const char *actionName, GVariant *state)
+{
+    QAction *action = getAction(actionName);
+    if ((action != NULL) && (state != NULL)) {
+
+        const GVariantType *stateType = g_variant_get_type(state);
+        if (stateType == G_VARIANT_TYPE_BOOLEAN) {
+            action->setChecked(g_variant_get_boolean(state));
+        }
+    }
+}
+
+void QDBusActionGroup::clear()
+{
+    Q_FOREACH(QAction *act, m_actions) {
+        delete act;
+    }
+    m_actions.clear();
+
+    if (m_actionGroup != NULL) {
+        g_object_unref(m_actionGroup);
+        m_actionGroup = NULL;
+    }
+}
+
+void QDBusActionGroup::onActionAdded(GDBusActionGroup *, gchar *actionName, gpointer data)
+{
+    QDBusActionGroup *self = reinterpret_cast<QDBusActionGroup*>(data);
+    self->addAction(actionName);
+}
+
+void QDBusActionGroup::onActionRemoved(GDBusActionGroup *, gchar *actionName, gpointer data)
+{
+    QDBusActionGroup *self = reinterpret_cast<QDBusActionGroup*>(data);
+    self->removeAction(actionName);
+
+}
+
+void QDBusActionGroup::onActionStateChanged(GDBusActionGroup *ag, gchar *actionName, GVariant *value, gpointer data)
+{
+    QDBusActionGroup *self = reinterpret_cast<QDBusActionGroup*>(data);
+    self->updateAction(actionName, value);
+}
diff --git a/src/common/qdbusactiongroup.h b/src/common/qdbusactiongroup.h
new file mode 100644
index 0000000..fe743b6
--- /dev/null
+++ b/src/common/qdbusactiongroup.h
@@ -0,0 +1,63 @@
+#ifndef QDBUSACTIONGROUP_H
+#define QDBUSACTIONGROUP_H
+
+#include "qdbusobject.h"
+
+#include <QObject>
+#include <QAction>
+#include <QSet>
+
+class QDBusActionGroup : public QObject, public QDBusObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int busType READ busType WRITE setIntBusType NOTIFY busTypeChanged)
+    Q_PROPERTY(QString busName READ busName WRITE setBusName NOTIFY busNameChanged)
+    Q_PROPERTY(QString objectPath READ objectPath WRITE setObjectPath NOTIFY objectPathChanged)
+    Q_PROPERTY(int status READ status NOTIFY statusChanged)
+
+public:
+    QDBusActionGroup(QObject *parent=0);
+    ~QDBusActionGroup();
+
+Q_SIGNALS:
+    void busTypeChanged();
+    void busNameChanged();
+    void objectPathChanged();
+    void statusChanged();
+
+public Q_SLOTS:
+    void start();
+    void stop();
+    QAction *getAction(const QString &actionName);
+
+protected:
+    virtual void serviceAppear(GDBusConnection *connection);
+    virtual void serviceVanish(GDBusConnection *connection);
+
+    virtual void busTypeChanged(BusType type);
+    virtual void busNameChanged(const QString &busNameChanged);
+    virtual void objectPathChanged(const QString &objectPath);
+    virtual void statusChanged(ConnectionStatus status);
+
+private:
+    GActionGroup *m_actionGroup;
+    QSet<QAction*> m_actions;
+    int m_signalActionAddId;
+    int m_signalActionRemovedId;
+
+    // workaround to support int as bustType
+    void setIntBusType(int busType);
+
+    void setActionGroup(GDBusActionGroup *ag);
+    void addAction(const char *actionName);
+    void removeAction(const char *actionName);
+    void updateAction(const char *actionName, GVariant *state);
+    void clear();
+
+    // glib slots
+    static void onActionAdded(GDBusActionGroup *ag, gchar *actionName, gpointer data);
+    static void onActionRemoved(GDBusActionGroup *ag, gchar *actionName, gpointer data);
+    static void onActionStateChanged(GDBusActionGroup *ag, gchar *actionName, GVariant *value, gpointer data);
+};
+
+#endif
diff --git a/src/common/qdbusmenumodel.cpp b/src/common/qdbusmenumodel.cpp
new file mode 100644
index 0000000..6e35c85
--- /dev/null
+++ b/src/common/qdbusmenumodel.cpp
@@ -0,0 +1,66 @@
+#include "qdbusmenumodel.h"
+#include <QDebug>
+
+QDBusMenuModel::QDBusMenuModel(QObject *parent)
+    :QMenuModel(0, parent)
+{
+}
+
+QDBusMenuModel::~QDBusMenuModel()
+{
+}
+
+void QDBusMenuModel::start()
+{
+    QDBusObject::connect();
+}
+
+void QDBusMenuModel::stop()
+{
+    QDBusObject::disconnect();
+}
+
+void QDBusMenuModel::serviceVanish(GDBusConnection *)
+{
+    setMenuModel(NULL);
+}
+
+void QDBusMenuModel::serviceAppear(GDBusConnection *connection)
+{
+    GMenuModel *model = reinterpret_cast<GMenuModel*>(g_dbus_menu_model_get(connection,
+                                                                            busName().toLatin1(),
+                                                                            objectPath().toLatin1()));
+    setMenuModel(model);
+    if (model == NULL) {
+        stop();
+    }
+}
+
+/*
+void QDBusMenuModel::busTypeChanged(BusType)
+{
+    busTypeChanged();
+}
+
+void QDBusMenuModel::busNameChanged(const QString &)
+{
+    busNameChanged();
+}
+
+void QDBusMenuModel::objectPathChanged(const QString &objectPath)
+{
+    objectPathChanged();
+}
+
+void QDBusMenuModel::statusChanged(ConnectionStatus status)
+{
+    statusChanged();
+}
+*/
+
+void QDBusMenuModel::setIntBusType(int busType)
+{
+    if ((busType > None) && (busType < LastBusType)) {
+        setBusType(static_cast<BusType>(busType));
+    }
+}
diff --git a/src/common/qdbusmenumodel.h b/src/common/qdbusmenumodel.h
new file mode 100644
index 0000000..4fc439d
--- /dev/null
+++ b/src/common/qdbusmenumodel.h
@@ -0,0 +1,47 @@
+#ifndef QDBUSMENUMODEL_H
+#define QDBUSMENUMODEL_H
+
+#include "qdbusobject.h"
+#include "qmenumodel.h"
+
+#include <gio/gio.h>
+
+class QDBusMenuModel : public QMenuModel, public QDBusObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int busType READ busType WRITE setIntBusType NOTIFY busTypeChanged)
+    Q_PROPERTY(QString busName READ busName WRITE setBusName NOTIFY busNameChanged)
+    Q_PROPERTY(QString objectPath READ objectPath WRITE setObjectPath NOTIFY objectPathChanged)
+    Q_PROPERTY(int status READ status NOTIFY statusChanged)
+
+public:
+    QDBusMenuModel(QObject *parent=0);
+    ~QDBusMenuModel();    
+
+Q_SIGNALS:
+    void busTypeChanged(BusType type);
+    void busNameChanged(const QString &busNameChanged);
+    void objectPathChanged(const QString &objectPath);
+    void statusChanged(QDBusObject::ConnectionStatus status);
+
+public Q_SLOTS:
+    void start();
+    void stop();
+
+protected:
+    virtual void serviceAppear(GDBusConnection *connection);
+    virtual void serviceVanish(GDBusConnection *connection);
+
+    /*
+    virtual void busTypeChanged(BusType type);
+    virtual void busNameChanged(const QString &busNameChanged);
+    virtual void objectPathChanged(const QString &objectPath);
+    virtual void statusChanged(ConnectionStatus status);
+    */
+
+private:
+    // workaround to support int as bustType
+    void setIntBusType(int busType);
+};
+
+#endif
diff --git a/src/common/qdbusobject.cpp b/src/common/qdbusobject.cpp
new file mode 100644
index 0000000..6dec6d9
--- /dev/null
+++ b/src/common/qdbusobject.cpp
@@ -0,0 +1,127 @@
+#include "qdbusobject.h"
+
+#include <QDebug>
+
+
+
+QDBusObject::QDBusObject()
+    :m_watchId(0),
+     m_busType(None),
+     m_status(QDBusObject::Disconnected)
+{
+    qDebug() << "DBUS CREATED";
+    qRegisterMetaType<QDBusObject::ConnectionStatus>("QDBusObject::ConnectionStatus");
+}
+
+QDBusObject::~QDBusObject()
+{
+    if (m_watchId != 0) {
+        g_bus_unwatch_name (m_watchId);
+        m_watchId = 0;
+    }
+}
+
+QDBusObject::BusType QDBusObject::busType() const
+{
+    return m_busType;
+}
+
+void QDBusObject::setBusType(QDBusObject::BusType type)
+{
+    if (m_busType != type) {
+        if (m_status != QDBusObject::Disconnected)
+            disconnect();
+        m_busType = type;
+        busTypeChanged(m_busType);
+    }
+}
+
+QString QDBusObject::busName() const
+{
+    return m_busName;
+}
+
+void QDBusObject::setBusName(const QString &busName)
+{
+    if (m_busName != busName) {
+        if (m_status != QDBusObject::Disconnected)
+            disconnect();
+        m_busName = busName;
+        busNameChanged(m_busName);
+    }
+}
+
+QString QDBusObject::objectPath() const
+{
+    return m_objectPath;
+}
+
+void QDBusObject::setObjectPath(const QString &objectPath)
+{
+    if (m_objectPath != objectPath) {
+        if (m_status != QDBusObject::Disconnected)
+            disconnect();
+        m_objectPath = objectPath;
+        objectPathChanged(m_objectPath);
+    }
+}
+
+void QDBusObject::setStatus(QDBusObject::ConnectionStatus status)
+{
+    if (m_status != status) {
+        m_status = status;
+        statusChanged(m_status);
+    }
+}
+
+QDBusObject::ConnectionStatus QDBusObject::status() const
+{
+    return m_status;
+}
+
+void QDBusObject::connect()
+{
+    if (m_status != QDBusObject::Disconnected) {
+        return;
+    } else if ((m_busType > None) && !m_objectPath.isEmpty() && !m_busName.isEmpty()) {
+        GBusType type = m_busType == SessionBus ? G_BUS_TYPE_SESSION : G_BUS_TYPE_SYSTEM;
+        m_watchId = g_bus_watch_name (type,
+                                      m_busName.toLatin1(),
+                                      G_BUS_NAME_WATCHER_FLAGS_NONE,
+                                      QDBusObject::onServiceAppeared,
+                                      QDBusObject::onServiceFanished,
+                                      this,
+                                      NULL);
+
+        setStatus(QDBusObject::Connecting);
+    } else {
+        qWarning() << "Invalid dbus connection args";
+    }
+}
+
+void QDBusObject::disconnect()
+{
+    if (m_status != QDBusObject::Disconnected) {
+        g_bus_unwatch_name (m_watchId);
+        m_watchId = 0;
+        setStatus(QDBusObject::Disconnected);
+    }
+}
+
+void QDBusObject::onServiceAppeared(GDBusConnection *connection, const gchar *, const gchar *, gpointer data)
+{
+    QDBusObject *self = reinterpret_cast<QDBusObject*>(data);
+    qDebug() << "service appear";
+
+    self->setStatus(QDBusObject::Connected);
+    self->serviceAppear(connection);
+}
+
+void QDBusObject::onServiceFanished(GDBusConnection *connection, const gchar *, gpointer data)
+{
+    QDBusObject *self = reinterpret_cast<QDBusObject*>(data);    
+    qDebug() << "service disappear";
+
+    self->setStatus(QDBusObject::Connecting);
+    self->serviceVanish(connection);
+}
diff --git a/src/common/qdbusobject.h b/src/common/qdbusobject.h
new file mode 100644
index 0000000..a2dc91c
--- /dev/null
+++ b/src/common/qdbusobject.h
@@ -0,0 +1,65 @@
+#ifndef QDBUSOBJECT_H
+#define QDBUSOBJECT_H
+
+#include <QObject>
+
+#include <gio/gio.h>
+
+class QDBusObject
+{
+public:
+    enum BusType {
+        None = 0,
+        SessionBus,
+        SystemBus,
+        LastBusType
+    };
+
+    enum ConnectionStatus {
+        Disconnected = 0,
+        Connecting,
+        Connected
+    };
+
+    QDBusObject();
+    ~QDBusObject();
+
+    BusType busType() const;
+    void setBusType(BusType type);
+
+    QString busName() const;
+    void setBusName(const QString &busName);
+
+    QString objectPath() const;
+    void setObjectPath(const QString &busName);
+
+    ConnectionStatus status() const;
+
+    void connect();
+    void disconnect();
+
+protected:
+    virtual void serviceAppear(GDBusConnection *connection) = 0;
+    virtual void serviceVanish(GDBusConnection *connection) = 0;
+
+    // notify functions
+    virtual void busTypeChanged(BusType type) = 0;
+    virtual void busNameChanged(const QString &busNameChanged) = 0;
+    virtual void objectPathChanged(const QString &objectPath) = 0;
+    virtual void statusChanged(ConnectionStatus status) = 0;
+
+private:
+    guint m_watchId;
+    BusType m_busType;
+    QString m_busName;
+    QString m_objectPath;
+    ConnectionStatus m_status;
+
+    void setStatus(ConnectionStatus status);
+
+    // glib slots
+    static void onServiceAppeared(GDBusConnection *connection, const gchar *name, const gchar *name_owner, gpointer data);
+    static void onServiceFanished(GDBusConnection *connection, const gchar *name, gpointer data);
+};
+
+#endif
diff --git a/src/common/qmenumodel.cpp b/src/common/qmenumodel.cpp
new file mode 100644
index 0000000..6e7483c
--- /dev/null
+++ b/src/common/qmenumodel.cpp
@@ -0,0 +1,241 @@
+#include "qmenumodel.h"
+
+#include <QDebug>
+
+QMenuModel::QMenuModel(GMenuModel *other, QObject *parent)
+    : QAbstractListModel(parent),
+      m_menuModel(0),
+      m_signalChangedId(0)
+{
+    static QHash<int, QByteArray> rolesNames;
+    if (rolesNames.empty()) {
+        rolesNames[Action] = "action";
+        rolesNames[Label] = "label";
+        rolesNames[LinkSection] = "linkSection";
+        rolesNames[LinkSubMenu] = "linkSubMenu";
+        rolesNames[Extra] = "extra";
+    }
+    setRoleNames(rolesNames);
+    setMenuModel(other);
+}
+
+QMenuModel::~QMenuModel()
+{
+   setMenuModel(NULL);
+}
+
+void QMenuModel::setMenuModel(GMenuModel *other)
+{
+    if (m_menuModel == other) {
+        return;
+    }
+
+    beginResetModel();
+
+    if (m_menuModel) {
+        g_signal_handler_disconnect(m_menuModel, m_signalChangedId);
+        m_signalChangedId = 0;
+        g_object_unref(m_menuModel);
+    }
+
+    m_menuModel = other;    
+
+    if (m_menuModel) {
+        // this will trigger the menu load
+        (void) g_menu_model_get_n_items(m_menuModel);
+        //qDebug() << "Menu size:" << g_menu_model_get_n_items(m_menuModel);
+        m_signalChangedId = g_signal_connect(m_menuModel,
+                                             "items-changed",
+                                             G_CALLBACK(QMenuModel::onItemsChanged),
+                                             this);
+    }
+
+    endResetModel();
+}
+
+GMenuModel *QMenuModel::menuModel() const
+{
+    return m_menuModel;
+}
+
+/* QAbstractItemModel */
+int QMenuModel::columnCount(const QModelIndex &) const
+{
+    return 1;
+}
+
+QVariant QMenuModel::data(const QModelIndex &index, int role) const
+{
+    QVariant attribute;
+    int rowCountValue = rowCount();
+
+    if ((rowCountValue > 0) && (index.row() >= 0) && (index.row() < rowCountValue)) {
+        if (m_menuModel) {
+            switch (role) {
+            case Action:
+                attribute = getStringAttribute(index, G_MENU_ATTRIBUTE_ACTION);
+                break;
+            case Label:
+                attribute = getStringAttribute(index, G_MENU_ATTRIBUTE_LABEL);
+                break;
+            case LinkSection:
+                attribute = getLink(index, G_MENU_LINK_SECTION);
+                break;
+            case LinkSubMenu:
+                attribute = getLink(index, G_MENU_LINK_SUBMENU);
+                break;
+            case Extra:
+                attribute = getExtraProperties(index);
+                break;
+            default:
+                break;
+            }
+        }
+    }
+    return attribute;
+}
+
+QModelIndex QMenuModel::parent(const QModelIndex &index) const
+{
+    return QModelIndex();
+}
+
+int QMenuModel::rowCount(const QModelIndex &) const
+{
+    if (m_menuModel) {
+        return g_menu_model_get_n_items(m_menuModel);
+    }
+    return 0;
+}
+
+QVariant QMenuModel::getStringAttribute(const QModelIndex &index,
+                                        const QString &attribute) const
+{
+    QVariant result;
+    gchar* value = NULL;
+    g_menu_model_get_item_attribute(m_menuModel,
+                                    index.row(),
+                                    attribute.toLatin1(),
+                                    "s", &value);
+    if (value) {
+        result = QVariant(QString::fromLatin1(value));
+        g_free(value);
+    }
+    return result;
+}
+
+QVariant QMenuModel::getLink(const QModelIndex &index,
+                             const QString &linkName) const
+{
+    GMenuModel *link;
+
+    link = g_menu_model_get_item_link(m_menuModel,
+                                      index.row(),
+                                      linkName.toLatin1());
+
+    if (link) {      
+        QMenuModel *other = new QMenuModel(link, const_cast<QMenuModel*>(this));
+        return QVariant::fromValue<QObject*>(other);
+    }
+
+    return QVariant();
+}
+
+QVariant QMenuModel::getExtraProperties(const QModelIndex &index) const
+{
+    GMenuAttributeIter *iter = g_menu_model_iterate_item_attributes(m_menuModel, index.row());
+    if (iter == NULL) {
+        return QVariant();
+    }
+
+    QObject *extra = new QObject(const_cast<QMenuModel*>(this));
+    const gchar *attrName = NULL;
+    GVariant *value = NULL;
+    while (g_menu_attribute_iter_get_next (iter, &attrName, &value)) {
+        qDebug() << "Set property:" << attrName;
+        if (strncmp("x-", attrName, 2) == 0) {
+            extra->setProperty(attrName, parseGVariant(value));
+        }
+    }
+
+    return QVariant::fromValue<QObject*>(extra);
+}
+
+
+void QMenuModel::onItemsChanged(GMenuModel *,
+                                gint position,
+                                gint removed,
+                                gint added,
+                                gpointer data)
+{
+    QMenuModel *self = reinterpret_cast<QMenuModel*>(data);
+    //qDebug() << "Item Changed" << position << removed << added;
+
+    if (removed > 0) {
+        self->beginRemoveRows(QModelIndex(), position, position + removed - 1);
+        self->endRemoveRows();
+    }
+
+    if (added > 0) {
+        self->beginInsertRows(QModelIndex(), position, position + added - 1);
+        self->endInsertRows();
+    }
+}
+
+QVariant QMenuModel::parseGVariant(GVariant *value)
+{
+    QVariant result;
+    if (value == NULL) {
+        return result;
+    }
+
+    const GVariantType *type = g_variant_get_type(value);
+    if (g_variant_type_equal(type, G_VARIANT_TYPE_BOOLEAN)) {
+        result.setValue((bool)g_variant_get_boolean(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) {
+        result.setValue(g_variant_get_byte(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) {
+        result.setValue(g_variant_get_int16(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) {
+        result.setValue(g_variant_get_uint16(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) {
+        result.setValue(g_variant_get_int32(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) {
+        result.setValue(g_variant_get_uint32(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) {
+        result.setValue(g_variant_get_int64(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) {
+        result.setValue(g_variant_get_uint64(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_DOUBLE)) {
+        result.setValue(g_variant_get_double(value));
+    } else if (g_variant_type_equal(type, G_VARIANT_TYPE_STRING)) {
+        gsize size = 0;
+        const gchar *v = g_variant_get_string(value, &size);
+        result.setValue(QString::fromLatin1(v, size));
+    } else {
+        qWarning() << "Unsupported GVariant value";
+    }
+
+    /* TODO: implement convertions to others types
+     * G_VARIANT_TYPE_HANDLE
+     * G_VARIANT_TYPE_OBJECT_PATH
+     * G_VARIANT_TYPE_SIGNATURE
+     * G_VARIANT_TYPE_VARIANT
+     * G_VARIANT_TYPE_ANY
+     * G_VARIANT_TYPE_BASIC
+     * G_VARIANT_TYPE_MAYBE
+     * G_VARIANT_TYPE_ARRAY
+     * G_VARIANT_TYPE_TUPLE
+     * G_VARIANT_TYPE_UNIT
+     * G_VARIANT_TYPE_DICT_ENTRY
+     * G_VARIANT_TYPE_DICTIONARY
+     * G_VARIANT_TYPE_STRING_ARRAY
+     * G_VARIANT_TYPE_BYTESTRING
+     * G_VARIANT_TYPE_OBJECT_PATH_ARRAY
+     * G_VARIANT_TYPE_BYTESTRING_ARRAY
+     * G_VARIANT_TYPE_VARDICT
+     */
+
+    return result;
+}
+
diff --git a/src/common/qmenumodel.h b/src/common/qmenumodel.h
new file mode 100644
index 0000000..f1e0b61
--- /dev/null
+++ b/src/common/qmenumodel.h
@@ -0,0 +1,45 @@
+#ifndef QMENUMODEL_H
+#define QMENUMODEL_H
+
+#include <QAbstractListModel>
+#include <gio/gio.h>
+
+class QMenuModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    enum MenuRoles {
+        Action = 0,
+        Label,
+        LinkSection,
+        LinkSubMenu,
+        Extra
+    };
+
+    ~QMenuModel();
+
+    /* QAbstractItemModel */
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QModelIndex parent (const QModelIndex &index) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+
+protected:
+    QMenuModel(GMenuModel *other=0, QObject *parent=0);
+    void setMenuModel(GMenuModel *model);
+    GMenuModel *menuModel() const;
+
+private:
+    GMenuModel *m_menuModel;
+    guint m_signalChangedId;
+
+    QVariant getStringAttribute(const QModelIndex &index, const QString &attribute) const;
+    QVariant getLink(const QModelIndex &index, const QString &linkName) const;
+    QVariant getExtraProperties(const QModelIndex &index) const;
+
+    static void onItemsChanged(GMenuModel *model, gint position, gint removed, gint added, gpointer data);
+    static QVariant parseGVariant(GVariant *value);
+};
+
+#endif