add ServiceOperationStatus binding

this class is used to monitor the enabled status of service operations

src/declarativeimports/core/CMakeLists.txt

@@ -20,6 +20,7 @@ set(corebindings_SRCS
     dialog.cpp
     tooltip.cpp
     tooltipdialog.cpp
+    serviceoperationstatus.cpp
     dataenginebindings.cpp
     iconitem.cpp
     plasmanamespace.cpp

src/declarativeimports/core/corebindingsplugin.cpp

@@ -40,6 +40,7 @@
 #include "theme.h"
 #include "dialog.h"
 #include "iconitem.h"
+#include "serviceoperationstatus.h"
 
 #include "tooltip.h"
 
@@ -97,6 +98,7 @@ void CoreBindingsPlugin::registerTypes(const char *uri)
     qRegisterMetaType<Plasma::Service*>("Service");
     qmlRegisterInterface<Plasma::ServiceJob>("ServiceJob");
     qRegisterMetaType<Plasma::ServiceJob*>("ServiceJob");
+    qmlRegisterType<ServiceOperationStatus>(uri, 2, 0, "ServiceOperationStatus");
     qmlRegisterType<QAbstractItemModel>();
 
     qmlRegisterType<RunnerModel>(uri, 2, 0, "RunnerModel");

src/declarativeimports/core/serviceoperationstatus.cpp

@@ -0,0 +1,103 @@
+/*
+ *   Copyright 2013 Marco Martin <mart@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "serviceoperationstatus.h"
+
+
+
+ServiceOperationStatus::ServiceOperationStatus(QObject *parent)
+    : QObject(parent),
+      m_enabled(false)
+{
+}
+
+ServiceOperationStatus::~ServiceOperationStatus()
+{
+}
+
+void ServiceOperationStatus::setService(Plasma::Service *service)
+{
+    if (m_service.data() == service) {
+        return;
+    }
+
+    if (m_service) {
+        disconnect(m_service.data(), 0, this, 0);
+    }
+    if (service) {
+        connect(service, &Plasma::Service::operationEnabledChanged,
+                this, &ServiceOperationStatus::updateStatus);
+    }
+
+    m_service = service;
+    updateStatus();
+    emit serviceChanged();
+}
+
+Plasma::Service *ServiceOperationStatus::service() const
+{
+    return m_service.data();
+}
+
+void ServiceOperationStatus::setOperation(const QString &operation)
+{
+    if (m_operation == operation) {
+        return;
+    }
+
+    m_operation = operation;
+    updateStatus();
+    emit operationChanged();
+}
+
+QString ServiceOperationStatus::operation() const
+{
+    return m_operation;
+}
+
+void ServiceOperationStatus::setEnabled(bool enabled)
+{
+    if (m_enabled == enabled) {
+        return;
+    }
+
+    m_enabled = enabled;
+    updateStatus();
+    emit enabledChanged();
+}
+
+bool ServiceOperationStatus::isEnabled() const
+{
+    return m_enabled;
+}
+
+void ServiceOperationStatus::updateStatus()
+{
+    if (!m_service) {
+        return;
+    }
+
+    bool enabled = m_service.data()->isOperationEnabled(m_operation);
+    if (enabled != m_enabled) {
+        m_enabled = enabled;
+        emit enabledChanged();
+    }
+}
+
+#include "serviceoperationstatus.moc"

src/declarativeimports/core/serviceoperationstatus.h

@@ -0,0 +1,77 @@
+/***************************************************************************
+ *   Copyright 2013 Marco Martin <mart@kde.org>                            *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
+ ***************************************************************************/
+#ifndef SERVICEOPERATIONSTATUS_P
+#define SERVICEOPERATIONSTATUS_P
+
+#include <QObject>
+
+#include "plasma/service.h"
+
+namespace Plasma {
+    class Service;
+}
+
+class ServiceOperationStatus : public QObject
+{
+    Q_OBJECT
+
+    /**
+     * The service instance we want to monitor
+     */
+    Q_PROPERTY(Plasma::Service *service READ service WRITE setService NOTIFY serviceChanged)
+
+    /**
+     * the service operation we want to monitor for enabled or disabled status
+     */
+    Q_PROPERTY(QString operation READ operation WRITE setOperation NOTIFY operationChanged)
+
+    /**
+     * true if the service operation is enabled
+     */
+    Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
+
+public:
+    ServiceOperationStatus(QObject *parent=0);
+    ~ServiceOperationStatus();
+
+    void setService(Plasma::Service *service);
+    Plasma::Service *service() const;
+
+    void setOperation(const QString &operation);
+    QString operation() const;
+
+    void setEnabled(bool enabled);
+    bool isEnabled() const;
+
+Q_SIGNALS:
+    void serviceChanged();
+    void operationChanged();
+    void enabledChanged();
+
+private Q_SLOTS:
+    void updateStatus();
+
+private:
+    QWeakPointer<Plasma::Service> m_service;
+    QString m_operation;
+    bool m_enabled;
+};
+
+
+#endif