--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Inc/State/CVtEngDtmfState.h Wed Jun 23 18:14:26 2010 +0300
@@ -0,0 +1,246 @@
+/*
+* 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: DTMF state classes.
+*
+*/
+
+
+
+#ifndef CVTENGDTMFSTATE_H
+#define CVTENGDTMFSTATE_H
+
+// INCLUDES
+#include <e32base.h>
+#include <mvtprotocolhandler.h>
+#include "TVtEngDtmfTone.h"
+#include "MVtEngDtmfHandler.h"
+
+
+
+// CLASS DECLARATION
+
+/**
+* Base class for DTMF states.
+*
+* @lib videoteleng
+* @since 2.6
+*/
+NONSHARABLE_CLASS( CVtEngDtmfState ) : public CBase
+ {
+ public:
+ /**
+ * C++ constructor.
+ * @param aDtmfHandler
+ * @param aH324Config H324 configure interface
+ */
+ CVtEngDtmfState(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ public: // new methods
+
+ /**
+ * Sends a DTMF tone. Derived classes implement this
+ * and each vary in behavior.
+ * @param aTone tone to send
+ */
+ virtual void SendDtmfL( const TVtEngDtmfTone& aTone ) = 0;
+
+ /**
+ * Handles callback about DTMF sending. Releases pv2way dtmf instance.
+ * @param aError Symbian OS error code
+ */
+ virtual void DtmfSendCompleteL( TInt aError );
+
+ protected: // new methods
+ /**
+ * Sends tone and changes state
+ * @param aDtmf tone to send
+ * @param aNewState new DTMF state
+ */
+ void DoSendAndActivateStateL(
+ const TVtEngDtmfTone& aDtmf,
+ MVtEngDtmfHandler::TVtEngDtmfState aNewState );
+
+ protected: // member data
+
+ // DTMF handler
+ MVtEngDtmfHandler& iDtmfHandler;
+
+ // H324 configure interface
+ MVtH324ConfigCommand& iH324Config;
+ };
+
+/**
+* Idle DTMF state class
+*
+* @lib videoteleng
+* @since 2.6
+*/
+NONSHARABLE_CLASS( CVtEngDtmfIdle ) : public CVtEngDtmfState
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @param aDtmfHandler
+ * @param aH324Config H324 configure interface
+ */
+ static CVtEngDtmfState* NewL(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CVtEngDtmfIdle();
+
+ public: // From CVtEngStateBase
+
+ /**
+ * Sends DTMF tone and changes state to "sending".
+ * @param aTone tone to send
+ */
+ virtual void SendDtmfL( const TVtEngDtmfTone& aTone );
+
+ /**
+ * @see CVtEngDtmfState
+ */
+ virtual void DtmfSendCompleteL( TInt aError );
+
+ private: // constructors
+
+ /**
+ * C++ constructor.
+ * @param aDtmfHandler
+ * @param aH324Config H324 configure interface
+ */
+ CVtEngDtmfIdle(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+ };
+
+/**
+* Sending DTMF state class
+*
+* @lib videoteleng
+* @since 2.6
+*/
+NONSHARABLE_CLASS( CVtEngDtmfSending ) : public CVtEngDtmfState
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @param aDtmfHandler
+ * @param aH324Config H324 configure interface
+ */
+ static CVtEngDtmfState* NewL(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CVtEngDtmfSending();
+
+ public: // From CVtEngStateBase
+
+ /**
+ * Changes state to "buffered".
+ * @param aTone tone to send
+ */
+ virtual void SendDtmfL( const TVtEngDtmfTone& aTone );
+
+ /**
+ * @see CVtEngDtmfState
+ */
+ virtual void DtmfSendCompleteL( TInt aError );
+
+ private: // constructor
+
+ /**
+ * C++ constructor.
+ * @param aDtmfHandler
+ * @param aH324Config
+ */
+ CVtEngDtmfSending(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ };
+
+/**
+* Buffered DTMF state class
+*
+* @lib videoteleng
+* @since 2.6
+*/
+NONSHARABLE_CLASS( CVtEngDtmfBuffered ) : public CVtEngDtmfState
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @param aDtmfHandler
+ * @param aH324Config H324 configure interface
+ */
+ static CVtEngDtmfState* NewL(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CVtEngDtmfBuffered();
+
+ public: // From CVtEngStateBase
+
+ /**
+ * Buffers DTMF tone that is sent when previous
+ * tones in buffer are sent.
+ * @param aTone tone that is added to the buffer
+ */
+ virtual void SendDtmfL( const TVtEngDtmfTone& aTone );
+
+ /**
+ * @see CVtEngDtmfState
+ */
+ virtual void DtmfSendCompleteL( TInt aError );
+
+ private: // constructors
+
+ /**
+ * C++ constructor.
+ * @param aDtmfHandler
+ * @param aH324Config
+ */
+ CVtEngDtmfBuffered(
+ MVtEngDtmfHandler& aDtmfHandler,
+ MVtH324ConfigCommand& aH324Config );
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL();
+
+ private: // Member data
+
+ // Buffered DTMF tones.
+ CArrayFixFlat<TVtEngDtmfTone>* iTones;
+ };
+
+#endif // CVTENGDTMFSTATE_H
+
+// End of File