htiui/HtiServicePlugins/HtiAudioServicePlugin/inc/HtiAudioServicePlugin.h
changeset 0 d6fe6244b863
child 3 2703485a934c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/htiui/HtiServicePlugins/HtiAudioServicePlugin/inc/HtiAudioServicePlugin.h	Tue Feb 02 00:17:27 2010 +0200
@@ -0,0 +1,279 @@
+/*
+* 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:  Defines the ECom plugin for HTI audio playback control service.
+*
+*/
+
+
+
+#ifndef HTIAUDIOSERVICEPLUGIN_H
+#define HTIAUDIOSERVICEPLUGIN_H
+
+//  INCLUDES
+#include <badesca.h>
+#include <HTIServicePluginInterface.h>
+#include <MdaAudioSamplePlayer.h>
+#include <MdaAudioTonePlayer.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+*  The ECom plugin for HTI audio playback control service.
+*
+*/
+class CHtiAudioServicePlugin : public CHTIServicePluginInterface,
+                               public MMdaAudioPlayerCallback,
+                               public MMdaAudioToneObserver
+    {
+
+    protected:
+        // commands
+        enum TAudioCommands
+            {
+            ECmdListAudioFiles = 0x01,
+            ECmdPlayFile       = 0x02,
+            ECmdPlayTone       = 0x03,
+            ECmdPlayDtmf       = 0x04,
+            ECmdStop           = 0x05,
+            ECmdGetDuration    = 0x06,
+            ECmdGetMaxVol      = 0x07,
+            ECmdSetVol         = 0x08
+            };
+
+        // audio setting options
+        enum TAudioSetting
+            {
+            EDefault,
+            EGeneralMusic,
+            ERingTonePreview,
+            //EIncomingCall,
+            EDtmfString
+            };
+
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CHtiAudioServicePlugin* NewL();
+
+    public: // New functions
+
+    public: // Functions from base classes
+
+        /**
+        * From CHTIServicePluginInterface
+        * Called by the HTI Framework when sending message to this service.
+        * @param aMessage message body destinated to a servive
+        * @param aPriority message priority
+        */
+        void ProcessMessageL( const TDesC8& aMessage,
+            THtiMessagePriority aPriority );
+
+        /**
+        * From CHTIServicePluginInterface
+        * Called by HTI Framework to tell the service how much memory is
+        * available for messages in the message queue.
+        * @param aAvailableMemory amount of currently available memory
+        *        in the message queue
+        */
+        void NotifyMemoryChange( TInt aAvailableMemory );
+
+        /**
+        * From CHTIServicePluginInterface
+        * Indicates to HTI Framework whether the plugin is ready to process
+        * a new message or if it's busy processing previous message.
+        */
+        TBool IsBusy();
+
+        /**
+        * From MMdaAudioToneObserver
+        * Handle the event when a tone utility initialisation
+        * operation has completed.
+        * @param aError indicates whether an error occurred.
+        */
+        void MatoPrepareComplete( TInt aError );
+
+        /**
+        * From MMdaAudioToneObserver
+        * Handle the event when a tone playing operation has completed.
+        * @param aError indicates whether an error occurred.
+        */
+        void MatoPlayComplete( TInt aError );
+
+        /**
+        * From MMdaAudioPlayerCallback
+        * Handle the event when initialisation of
+        * the audio player utility is complete.
+        * @param aError The status of the audio sample after initialisation
+        * @param aDuration The duration of the sample
+        */
+        void MapcInitComplete( TInt aError,
+                               const TTimeIntervalMicroSeconds& aDuration );
+
+        /**
+        * From MMdaAudioPlayerCallback
+        * Handle the event when when the audio player utility
+        * completes asynchronous playing.
+        * @param aError The status of playback
+        */
+        void MapcPlayComplete( TInt aError );
+
+
+    protected:  // New functions
+
+        /**
+        * C++ default constructor.
+        */
+        CHtiAudioServicePlugin();
+
+        /**
+        * 2nd phase constructor.
+        */
+        void ConstructL();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CHtiAudioServicePlugin();
+
+
+    protected:  // Functions from base classes
+
+    private:
+
+        void HandleListAudioFilesCmdL( const TDesC8& aMessage );
+
+        void HandlePlayFileCmdL( const TDesC8&aMessage );
+
+        void HandlePlayToneCmdL( const TDesC8& aMessage );
+
+        void HandlePlayDtmfCmdL( const TDesC8& aMessage );
+
+        void HandleStopCmdL( const TDesC8& aMessage );
+
+        void HandleGetDurationCmdL( const TDesC8& aMessage );
+
+        void HandleGetMaxVolCmdL( const TDesC8& aMessage );
+
+        void HandleSetVolCmdL( const TDesC8& aMessage );
+
+        TInt ParseString( const TDesC8& aRequest,
+                               TInt aOffset, TDes& aResult );
+
+        TInt SendResponseMsg( const TDesC8& aMsg,
+                             const TUint8 aCommandId = 0  );
+
+        TInt SendErrorResponseMsg( TInt aErrorCode,
+                                   const TDesC8& aErrorDescription,
+                                   const TUint8 aCommandId = 0 );
+
+        void AddSubdirsRecursivelyL( const TDesC& aPath,
+                                    CDesCArraySeg& aArray, RFs& aFs );
+
+        TBool MatchMimeTypeL( const TDesC& aFilePath,
+                              const TDesC& aMimeTypeMatchPattern );
+
+        void SetAudioSettings( TAudioSetting aSetting );
+
+        inline TUint ParseUint16( const TUint8* aPtr )
+            {
+            return aPtr[0] + ( aPtr[1] << 8 );
+            }
+
+        inline TUint ParseUint32( const TUint8* aPtr )
+            {
+            return aPtr[0] + ( aPtr[1] << 8 )
+                           + ( aPtr[2] << 16 ) + ( aPtr[3] << 24 );
+            }
+
+
+    public:     // Data
+
+    protected:  // Data
+
+    private:    // Data
+        // Flag telling if the service is busy processing a message
+        TBool iIsBusy;
+
+        // Flag telling if audio or tone is currently playing
+        TBool iIsPlaying;
+
+        // Id of the latest command
+        TUint8 iCommandId;
+
+        // Id of the latest play command
+        TUint8 iPlayCommandId;
+
+        // Container for the response message to be dispatched out
+        HBufC8* iMessage;
+
+        // Error code in the outgoing error message
+        TInt iErrorCode;
+
+        // Audio player utility object
+        CMdaAudioPlayerUtility* iAudioPlayer;
+
+        // Tone player utility object
+        CMdaAudioToneUtility* iTonePlayer;
+
+        // Current volume value
+        TInt iVolume;
+
+        // Current repeat value
+        TInt iRepeats;
+
+        // Current trailing silence value
+        TInt iTrailingSilence;
+
+        // DTMF tone length
+        TInt iDtmfLength;
+
+        // Silence between DTMF tones
+        TInt iDtmfGapLength;
+
+        // Playback start position
+        TInt iStartPos;
+
+        // Playback end position
+        TInt iEndPos;
+
+        // Audio priority setting
+        TInt iAudioPriority;
+
+        // Audio priority preference setting
+        TMdaPriorityPreference iAudioPriorityPreference;
+
+
+    public:     // Friend classes
+
+    protected:  // Friend classes
+
+    private:    // Friend classes
+
+    };
+
+#endif      // HTIAUDIOSERVICEPLUGIN_H
+
+// End of File