radioapp/radiouiengine/inc/radiouiengine.h
branchRCL_3
changeset 19 cce62ebc198e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiouiengine/inc/radiouiengine.h	Tue Aug 31 15:15:02 2010 +0300
@@ -0,0 +1,187 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#ifndef RADIOUIENGINE_H_
+#define RADIOUIENGINE_H_
+
+// System includes
+#include <QObject>
+#include <QString>
+#include <QScopedPointer>
+#include <QSharedPointer>
+
+// User includes
+#include "radiouiengineexport.h"
+#include "radio_global.h"
+
+// Forward declarations
+class RadioUiEnginePrivate;
+class RadioStationModel;
+class RadioSettingsIf;
+class RadioStation;
+class RadioHistoryModel;
+class RadioHistoryItem;
+class RadioScannerEngine;
+class RadioMonitorService;
+
+typedef QSharedPointer<RadioScannerEngine> RadioScannerEnginePtr;
+
+// Constants
+const uint DEFAULT_MIN_FREQUENCY = 87500000;
+
+class UI_ENGINE_DLL_EXPORT RadioUiEngine : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE_D( d_ptr.data(), RadioUiEngine )
+    Q_DISABLE_COPY( RadioUiEngine )
+
+    friend class RadioScannerEngine;
+
+public: // Static functions that are used before the ui engine is created
+
+    /*!
+     * Gets the last tuned frequency from central repository
+     */
+    static uint lastTunedFrequency( uint defaultFrequency = DEFAULT_MIN_FREQUENCY );
+
+    /*!
+     * Gets the last used volume level
+     */
+    static int lastVolume();
+
+    /*!
+     * Launches the radio server process
+     */
+    static void launchRadioServer();
+
+public:
+
+    RadioUiEngine( QObject* parent = 0 );
+    ~RadioUiEngine();
+
+    bool isInitialized() const;
+
+    bool init();
+
+    bool isFirstTimeStart();
+    void setFirstTimeStartPerformed( bool firstTimeStartPerformed );
+
+    void setPowerOn();
+    void setPowerOff( int delay = 0 );
+    bool isPoweringOff() const;
+
+    /**
+     * Getters for things owned by the engine
+     */
+    RadioSettingsIf& settings();
+    RadioStationModel& stationModel();
+    RadioHistoryModel& historyModel();
+    RadioScannerEnginePtr createScannerEngine();
+    RadioScannerEngine* scannerEngine();
+
+    bool isRadioOn() const;
+    bool isScanning() const;
+    bool isMuted() const;
+    bool isAntennaAttached() const;
+    bool isUsingLoudspeaker() const;
+
+    RadioRegion::Region region() const;
+    uint currentFrequency() const;
+    uint minFrequency() const;
+    uint maxFrequency() const;
+    uint frequencyStepSize() const;
+
+    void setMute( bool muted );
+
+    QList<RadioStation> stationsInRange( uint minFrequency, uint maxFrequency );
+
+    QString genreToString( int genre, GenreTarget::Target target );
+
+    bool isSongRecognitionAppAvailable();
+
+    void addRecognizedSong( const QString& artist, const QString& title, const RadioStation& station );
+
+    uint skipStation( StationSkip::Mode mode, uint startFrequency = 0, const int reason = TuneReason::Skip );
+
+    enum MusicStore{ OviStore, OtherStore };
+    void openMusicStore( const RadioHistoryItem& item, MusicStore store = OviStore );
+
+    void launchBrowser( const QString& url );
+
+    void setManualSeekMode( bool manualSeek );
+    bool isInManualSeekMode() const;
+
+    /**
+     * Tunes the radio engine to given frequency
+     */
+    void setFrequency( uint frequency, const int reason = TuneReason::Unspecified );
+
+signals:
+
+    void tunedToFrequency( uint frequency, int commandSender );
+    void seekingStarted( int direction );
+    void radioStatusChanged( bool radioIsOn );
+
+    void rdsAvailabilityChanged( bool available );
+
+    void volumeChanged( int volume );
+    void muteChanged( bool muted );
+
+    void audioRouteChanged( bool loudspeaker );
+    void antennaStatusChanged( bool connected );
+
+    void powerOffRequested();
+
+public slots:
+
+    /*!
+     * volume update command slot for the engine
+     */
+    void setVolume( int volume );
+    void toggleMute();
+    void toggleAudioRoute();
+
+    void seekStation( int seekDirection );
+
+    void launchSongRecognition();
+
+private:
+
+    /**
+     * functions used only by the private class to get signals emitted
+     */
+    void emitTunedToFrequency( uint frequency, int commandSender );
+    void emitSeekingStarted( Seek::Direction direction );
+    void emitRadioStatusChanged( bool radioIsOn );
+    void emitRdsAvailabilityChanged( bool available );
+    void emitVolumeChanged( int volume );
+    void emitMuteChanged( bool muted );
+    void emitAudioRouteChanged( bool loudspeaker );
+    void emitAntennaStatusChanged( bool connected );
+
+private: // data
+
+    /**
+     * Unmodifiable pointer to the private implementation
+     */
+    const QScopedPointer<RadioUiEnginePrivate> d_ptr;
+
+};
+
+
+#endif // RADIOUIENGINE_H_