diff -r 84d9eb65b26f -r 2981cb3aa489 messagingappbase/msgeditor/mediacontrolinc/MsgAudioControl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/msgeditor/mediacontrolinc/MsgAudioControl.h	Wed Nov 03 09:52:46 2010 +0530
@@ -0,0 +1,225 @@
+/*
+* Copyright (c) 2006 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:  
+*       MsgEditor audio media control.
+*
+*/
+
+
+
+#ifndef MSGAUDIOCONTROL_H
+#define MSGAUDIOCONTROL_H
+
+// INCLUDES
+
+#include <msgmediacontrol.h>
+#include <mdaaudiosampleplayer.h>
+
+// CONSTANTS
+
+// MACROS
+// TODO simulate video playing in the emulator
+// TODO If enabled play preview visible in the options menu
+//#define _SIMULATE_EMBEDDED_PLAY 1
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+class CMsgEditorView;
+
+// CLASS DECLARATION
+
+// ==========================================================
+
+/**
+* Message Editor Base control handling audio
+*/
+class CMsgAudioControl : public CMsgMediaControl,
+                         public MMdaAudioPlayerCallback
+    {
+    public:  // Constructor and destructor
+        
+        /**
+        * Two-phased constructor.
+        * @param aParent parent control
+        * @param aFlags display flags - by default editor state
+        * @return new object
+        */
+        IMPORT_C static CMsgAudioControl* NewL( CMsgEditorView& aParent,
+                                                MMsgAsyncControlObserver* aObserver,
+                                                TMdaPriority aPriority = EMdaPriorityNormal,
+                                                TMdaPriorityPreference aPreference = EMdaPriorityPreferenceNone );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CMsgAudioControl();
+
+    public:
+
+        /**
+        * From MMsgAsyncControl
+        *
+        * Loads the audio
+        *
+        * @param aAudioFile image file name - expected to be valid Audioclip
+        */
+        void LoadL( RFile& aFileHandle );
+        
+        /**
+        * From MMsgAsyncControl
+        *
+        * Cancels the asyncronous operation if it is pending.
+        */         
+        void Cancel();
+        
+        /**
+        * From MMsgAsyncControl
+        *
+        * Close audio.
+        */
+        void Close();
+        
+        /**
+        * From CMsgMediaControl
+        *
+        * Start audio playback.
+        * Audio must be loaded AND prepared before calling this!
+        */
+        void PlayL();
+
+        /**
+        * From CMsgMediaControl
+        *
+        * Stop audio.
+        */
+        void Stop();
+
+        /**
+        * From CMsgMediaControl
+        *
+        * Pause audio.
+        */
+        void PauseL();
+
+        /**
+        * Get current volume level
+        * @return   Current volume level
+        */
+        inline TInt Volume();
+
+        /**
+        * Get maximum volume level
+        * @return   Maximum volume level
+        */
+        inline TInt MaxVolume();
+
+        /**
+        * Set volume level
+        * @param aVolume    Volume level wanted range 0..10.
+        * @return           Volume level after adjustment.
+        */
+        inline void SetVolume( TInt aVolume );
+
+    public: // Functions from MMdaAudioPlayerCallback
+
+        /**
+        * From MMdaAudioPlayerCallback
+        */
+        void MapcInitComplete( TInt aError, const TTimeIntervalMicroSeconds& aDuration );
+
+        /**
+        * The actual implementation of MapcInitComplete
+        */
+        void DoMapcInitCompleteL( TInt aError, const TTimeIntervalMicroSeconds& aDuration );
+
+        /**
+        * From MMdaAudioPlayerCallback
+        */
+        void MapcPlayComplete( TInt aError );
+
+        /**
+        * The actual implementation of MapcPlayComplete
+        */
+        void DoMapcPlayCompleteL( TInt aError );
+
+    public: // from CMsgBaseControl
+
+        /**
+        * Calculates and sets the size of the control and returns new size as
+        * reference aSize.
+        * From CMsgBaseControl
+        */
+        void SetAndGetSizeL( TSize& aSize );
+
+        /**
+        * Resets (= clears) contents of the control.
+        * From CMsgBaseControl
+        */
+        void Reset();
+
+    public:
+
+        /**
+        * Called when size is changed.
+        * From CMsgBaseControl
+        */
+        void SizeChanged();
+
+    private: // New functions
+
+        /**
+        * Default C++ constructor
+        */
+        CMsgAudioControl();
+                          
+        /**
+        * constructor
+        * @param aFlags
+        */
+        CMsgAudioControl( MMsgBaseControlObserver& aBaseControlObserver,
+                          TMdaPriority aPriority,
+                          TMdaPriorityPreference aPreference );
+        
+        /**
+        * By default Symbian constructor is private.
+        */
+        void ConstructL( CMsgEditorView& aParent, MMsgAsyncControlObserver* aObserver );
+
+        /**
+        * Handles callback or other completion of an operation
+        * @param aError     error code
+        * @param aNewState  new state assigned to iState, if aError is KErrNone:
+        *                   if aError indicates real error, state is not assigned
+        */
+        void HandleCallback( TInt    aError, 
+                             TBool   aDefaultStop,
+                             TMsgAsyncControlState aNewState = EMsgAsyncControlStateReady );
+
+    private: //Data
+
+        CMdaAudioPlayerUtility* iAudioPlayer;
+        RFile                   iAudioFile;
+        
+        TMdaPriority iPriority;
+        TMdaPriorityPreference iPreference;
+    };
+
+
+#include <msgaudiocontrol.inl>
+
+#endif // MSGAUDIOCONTROL_H