--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/msgaudiofetcher/inc/msgaudiopreview.h	Fri Jun 25 15:47:40 2010 +0530
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2010 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:
+ *     The header file for tone previewing.
+ *     
+ */
+
+#ifndef MSGAUDIOPPREVIEW_H
+#define MSGAUDIOPPREVIEW_H
+
+#include <e32base.h>
+#include <DrmAudioSamplePlayer.h>
+#include <mdaaudiotoneplayer.h>
+#include <videoplayer.h>
+#include <centralrepository.h>
+#include <apgcli.h>  // for RApaLsSession
+#include <e32property.h>
+#include <QObject>
+
+class C3DRingingToneInterface;
+class RWindow;
+
+/**
+ * CMFPreviewHandlerBase
+ *
+ * Base class for CMFAudioPreviewHandler.
+ */
+class CMFPreviewHandlerBase: public QObject, public CBase
+
+{
+Q_OBJECT
+public:
+
+    enum TMediaFileType
+    {
+        EMediaFileTypeAudio = 0, EMediaFileTypeVideo
+    };
+    enum TPlayerStatus
+    {
+        EPlayerNotCreated,
+        EPlayerInitializing,
+        EPlayerReady,
+        EPlayerPlaying,
+        EPlayerInitialized,
+        EPlayerPlayingWith3DEffect
+    };
+
+    // these must match with the ones in Profile Engine
+    enum TRingingTypes
+    {
+        ERingingTypeRinging = 0,
+        ERingingTypeAscending,
+        ERingingTypeRingOnce,
+        ERingingTypeBeepOnce,
+        ERingingTypeSilent
+    };
+
+    enum TFLAllowScreenSaver
+    {
+        EFLScreenSaverAllowed = 0, EFLScreenSaverNotAllowed
+    };
+
+protected:
+
+    virtual ~CMFPreviewHandlerBase();
+
+protected:
+
+    /**
+     * C++ default constructor.
+     */
+    CMFPreviewHandlerBase(QObject *parent);
+
+    /**
+     * By default Symbian OS constructor is private.
+     */
+    void ConstructL();
+
+public:
+    void SetAttr(const QString &file);
+    TInt Attr(TInt aAttr);
+    virtual void Play() = 0;
+    virtual void Stop() = 0;
+    virtual TBool IsPlaying() = 0;
+    QString normalizeSeperator(const QString &path);
+protected:
+    TInt ConvertVolume(TInt aVolume);
+    void ReadActiveProfileL();
+    TInt GetDataType(const TDesC& aFileName, TDataType& aDataType);
+    void ReadDefaultToneL();
+
+    void DisableBackLight();
+
+    static TInt DoResetInactivityTimer(TAny* aObject);
+protected:
+    TInt RingingVolume();
+    TInt RingingType();
+    TInt Vibra();
+    TInt Echo3D();
+    TInt Effect3D();
+
+protected:
+    static TInt ConvertVolume(TInt aVolume, TInt aMaxVolume);
+
+protected:
+    TInt iRingingVolume;
+    TInt iRingingType;
+    TInt iVibra;
+    TInt i3DEffect;
+    TInt i3DEcho;
+    TInt iMediaType;
+    TInt iFileSize;
+    HBufC* iFullName;
+
+    TBool iActiveProfileRead;
+    TInt iActiveProfileRingingVolume;
+    TInt iActiveProfileRingingType;
+    TInt iActiveProfileVibra;
+    TInt iActiveProfile3DEffect;
+    TInt iActiveProfile3DEcho;
+
+    TInt iPlayerStatus;
+
+    // handle to window
+    RWindow* iWindow; // does not own
+
+    // for getting file MIME types
+    RApaLsSession iApaSession;
+
+    // for setting screensaver on/off
+    RProperty iProperty;
+
+    // default ringing tone
+    TFileName iDefaultTone;
+
+    /**
+     * Timer for resetting the user inactivity timeout
+     */
+    CPeriodic* iBacklightTimer;
+};
+
+// CLASS DECLARATION
+/**
+ *  This class is used for previewing the tones.
+ *
+ */
+
+class MsgAudioPreview: public CMFPreviewHandlerBase,
+    public MDrmAudioPlayerCallback,
+    public MMdaAudioToneObserver
+
+{
+Q_OBJECT
+public:
+    MsgAudioPreview(QObject *parent);
+    virtual ~MsgAudioPreview();
+signals:
+   // void notifyPreviewEvent(ToneFetcherEngine::TPreviewEvent event, int errorId);
+
+public:
+    void Play();
+    void Stop();
+    TBool IsPlaying();
+
+private:
+    void Cancel();
+    void SetAudioRingingType(TInt aRingingType);
+    void SetToneRingingType(TInt aRingingType);
+    TInt ConvertVolume(TInt aVolume);
+    void PlayL();
+
+private:
+    // from MMdaAudioToneObserver
+    virtual void MatoPrepareComplete(TInt aError);
+    virtual void MatoPlayComplete(TInt aError);
+
+private:
+    // from MDrmAudioPlayerCallback
+    void MdapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& aDuration);
+    void MdapcPlayComplete(TInt aError);
+
+private:
+    // audio player
+    CDrmPlayerUtility* iAudioPlayer;
+
+    /// Audioplayer status
+    TPlayerStatus iAudioPlayerStatus;
+
+    /// toneplayer
+    CMdaAudioToneUtility* iTonePlayer;
+
+    /// Toneplayer status
+    TPlayerStatus iTonePlayerStatus;
+
+    // plugin for playing 3D effects
+    C3DRingingToneInterface* i3dRingingTonePlugin;
+
+};
+
+#endif /* MSGAUDIOPPREVIEW_H */