class CWeatherManager

refs #612

src/blackcore/weathermanager.h

@@ -0,0 +1,73 @@
+/* Copyright (C) 2016
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKCORE_WEATHERMANAGER_H
+#define BLACKCORE_WEATHERMANAGER_H
+
+#include "blackcore/blackcoreexport.h"
+#include "blackcore/pluginmanagerweatherdata.h"
+#include "blackmisc/geo/coordinategeodetic.h"
+#include "blackmisc/weather/weathergrid.h"
+#include "blackmisc/weather/weathergridprovider.h"
+#include "blackmisc/slot.h"
+#include <QObject>
+#include <functional>
+
+namespace BlackCore
+{
+    class IWeatherData;
+
+    /*!
+     * CWeatherManager
+     */
+    class BLACKCORE_EXPORT CWeatherManager :
+            public QObject,
+            public BlackMisc::Weather::IWeatherGridProvider
+    {
+        Q_OBJECT
+        Q_INTERFACES(BlackMisc::Weather::IWeatherGridProvider)
+
+    public:
+        //! Default constructor
+        CWeatherManager(QObject *parent = nullptr);
+
+        //! Override weather to clear
+        void setWeatherToClear(bool value);
+
+        //! Is weather overwritten to clear?
+        bool isWeatherClear() const { return m_isWeatherClear; }
+
+        //! Request weather by grid
+        virtual void requestWeatherGrid(const BlackMisc::Weather::CWeatherGrid &weatherGrid,
+                                        const BlackMisc::CSlot<void(const BlackMisc::Weather::CWeatherGrid &)> &callback) override;
+
+    private:
+        struct WeatherRequest
+        {
+            BlackMisc::Weather::CWeatherGrid weatherGrid;
+            BlackMisc::CSlot<void(const BlackMisc::Weather::CWeatherGrid &)> callback;
+        };
+
+        bool loadWeatherDataPlugins();
+
+        void fetchNextWeatherData();
+        void handleNextRequest();
+
+        CPluginManagerWeatherData m_pluginManagerWeatherData { this };
+        QVector<IWeatherData *> m_weatherDataPlugins;
+        QVector<WeatherRequest> m_pendingRequests;
+        BlackMisc::Weather::CWeatherGrid m_weatherGrid;
+        bool m_isWeatherClear = false;
+    };
+
+} // ns
+
+#endif // guard