--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/speechsynthesis/server/inc/speechsynthesissession.h Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,190 @@
+/*
+* Copyright (c) 2006-2007 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: Speech synthesis session
+*
+*/
+
+
+#ifndef SPEECHSYNTHESISSESSION_H
+#define SPEECHSYNTHESISSESSION_H
+
+// INCLUDES
+
+#include <e32base.h>
+#include <f32file.h>
+
+#include "speechsynthesisserverutilities.h"
+
+
+// FORWARD DECLARATIONS
+
+class CSpeechSynthesisServer;
+
+// Structure for saving custom command - value pairs
+class TCustomCommand
+ {
+ public:
+ TInt iCommand;
+ TInt iValue;
+ };
+
+
+// ----------------------------------------------------------------------------
+// CSpeechSynthesisSession
+// Provides synthesis session functionality
+// ----------------------------------------------------------------------------
+class CSpeechSynthesisSession : public CSession2,
+ public MSpeechSynthesisServerObserver
+ {
+
+ public:
+
+ /**
+ * Constructor
+ */
+ CSpeechSynthesisSession();
+
+ /**
+ * Destructor
+ */
+ virtual ~CSpeechSynthesisSession();
+
+ /**
+ * 2nd phase construct for sessions - called by the CServer framework
+ */
+ void CreateL();
+
+ public: // From base class MSpeechSynthesisServerObserver
+
+ /**
+ * Callback when initialized
+ */
+ void MsssInitComplete( TInt aError,
+ const TTimeIntervalMicroSeconds& aDuration );
+
+ /**
+ * Callback when playback finished
+ */
+ void MsssPlayComplete( TInt aError );
+
+ /**
+ * Callback when operation aborted.
+ */
+ void MsssOperationAborted();
+
+ private:
+
+ // Leaves if access is denied
+ void CheckAccessL( TInt aMessageType );
+
+ // Returns reference to the server
+ inline CSpeechSynthesisServer& Server();
+
+ // Provides services
+ void ServiceL( const RMessage2& aMessage );
+
+ // Handles asynchronous services
+ void DoAsyncServiceL( const RMessage2& aMessage );
+
+ // Handles synchronous services
+ void DoSyncServiceL( const RMessage2& aMessage );
+
+ // Fuctions to provide actual services
+ void DoStopSynthesisL();
+ void DoPauseSynthesisL();
+ void DoGetDurationL( const RMessage2& aMessage );
+ void DoGetLanguagesL( const RMessage2& aMessage );
+ void DoGetLanguageCountL( const RMessage2& aMessage );
+ void DoGetVoicesL( const RMessage2& aMessage );
+ void DoGetVoiceCountL( const RMessage2& aMessage );
+ void DoVoiceL( const RMessage2& aMessage );
+ void DoSetVoiceL( const RMessage2& aMessage );
+ void DoMaxSpeakingRateL( const RMessage2& aMessage );
+ void DoSpeakingRateL( const RMessage2& aMessage );
+ void DoSetSpeakingRateL( const RMessage2& aMessage );
+ void DoMaxVolumeL( const RMessage2& aMessage );
+ void DoVolumeL( const RMessage2& aMessage );
+ void DoSetVolumeL( const RMessage2& aMessage );
+ void DoSetAudioPriority( const RMessage2& aMessage );
+ void DoSetAudioOutputL( const RMessage2& aMessage );
+ void DoCustomCommandL( const RMessage2& aMessage );
+
+ // Handles leave happened in ServiceL()
+ void ServiceError( const RMessage2& aMessage, TInt aError );
+
+ private:
+
+ // Session state information values
+ enum TSessionState
+ {
+ ESessionIdle,
+ ESessionPrimed
+ };
+
+ // Asynchronous messages has to be kept in mind
+ RMessage2 iStoredMessage;
+
+ // Duration information filled in MsssInitComplete()
+ TTimeIntervalMicroSeconds iDuration;
+
+ // Current voice in use
+ TVoice iCurrentVoice;
+
+ // Current speking rate
+ TInt iSpeakingRate;
+
+ // Maximum value of speaking rate
+ TInt iMaxSpeakingRate;
+
+ // Current volume
+ TInt iVolume;
+ TInt iTmpVolume;
+
+ // Maximum value of volume setting
+ TInt iMaxVolume;
+
+ // Current audio priority
+ TInt iAudioPriority;
+
+ // Current audio preference
+ TInt iAudioPreference;
+
+ // Current audio output
+ TInt iAudioOutput;
+ TInt iTmpAudioOutput;
+
+ // Session state information
+ TSessionState iSessionState;
+
+ // Used when client is asking supported languages.
+ RArray<TLanguage> iLanguages;
+
+ // Used when client is asking supported voices.
+ RArray<TVoice> iVoices;
+
+ // Array for custom commands
+ RArray<TCustomCommand> iCustomCommands;
+
+ // File handle used for saving output to file.
+ RFile iFile;
+
+ // ETrue when file output is activated
+ TBool iFileOutputActivated;
+
+ // ETrue when closing of a plugin has been requested
+ TBool iClosePlugin;
+
+ };
+
+#endif // SPEECHSYNTHESISSESSION_H