--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtuis/lcvtplugin/inc/states/tlcvtpluginstates.h	Wed Jun 23 18:14:26 2010 +0300
@@ -0,0 +1,279 @@
+/*
+* Copyright (c) 2008 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:  Concrete VT plugin state classes
+*
+*/
+
+
+#ifndef T_LCVTPLUGINSTATES_H
+#define T_LCVTPLUGINSTATES_H
+
+#include "tlcvtstatebase.h"
+#include <babitflags.h>
+#include <vtengcommands.h>
+
+
+/**
+*  Initial application state. Responsible for startup phase 1 and
+*  startup phase 2 (see EVtUiAppUiStartup in CVtUiAppUi.cpp).
+*  Certain other state changes are required for phase 2 and history
+*  of their reception is handled with precondition flags.
+*
+*  @since S60 v3.2
+*/
+class TLcVtStateStarting : public TLcVtStateBase
+    {
+public:
+    /**
+    * returns singleton instance of TLcVtStateStarting
+    * @param aCtx state context
+    * @param aUiStates UI states
+    * @return singleton
+    */
+    static TLcVtStateStarting* InstanceL(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates );
+
+public: // from TLcVtStateBase
+
+    /** @see TLcVtStateBase */
+    virtual void LcVtStartupPhase1DoneL();
+
+    /** @see TLcVtStateBase */
+    virtual void LcVtStartupPhase2DoneL();
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleVtEventL( TInt aEvent );
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleCommandL( const TInt aCommand );
+
+    /** @see TLcVtStateBase */
+    virtual TBool HandleForegroundChangedL( TBool aIsForeground );
+
+    /** @see TLcVtStateBase */
+    virtual TBool PreHandleForegroundChangedL( TBool aIsForeground );
+
+private: // from TLcVtStateBase
+
+    /** @see TLcVtStateBase */
+    virtual void OpenL();
+
+    /** @see TLcVtStateBase */
+    virtual void Close();
+
+private: // new methods
+
+    void CheckSessionStateL();
+    
+    static TInt AsynchOpen( TAny* aAny );
+    
+    void DoOpenL();
+    
+    /** Preconditions that must be passed in order to proceed
+     * to Phase 2 in startup.
+     */
+    enum TPreconditions
+        {
+        /** waiting for CLI from engine*/
+        EWaitingCLI,
+        /** waiting for phase1 to complete */
+        EWaitingPhase1ToComplete,
+        /** waiting for engine to get proper state */
+        EWaitingSessionState
+    };
+
+    /**
+    * Clears precondition passed as argument and checks if any
+    * preconditions hold and if not proceeds to phase 2 of startup.
+    */
+    void CheckPhase2StartupL( const TPreconditions aClearCondition );
+    
+    void HandleCLIReceivedL();
+
+private: // constructors and destructors
+
+    // c++ constructor
+    TLcVtStateStarting(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates );
+
+    // Destructor
+    virtual ~TLcVtStateStarting();
+
+private: // data members
+
+    // Precondition for state change to running
+    TBitFlags8 iPreconditions;
+
+    // Singleton
+    static TLcVtStateStarting* iInstance;
+    
+    // Starts phase1 startup in state state context. Needed because
+    // initial state is opened from within state context construction.
+    CAsyncCallBack*     iStartCallback;
+    };
+
+/**
+*  Application state that is active in normal operation.
+*
+*  @since S60 v3.2
+*/
+class TLcVtStateRunning : public TLcVtStateBase
+    {
+public:
+    /**
+    * returns singleton instance of TLcVtStateRunning
+    * @param aCtx state context
+    * @param aUiStates UI states
+    * @return singleton
+    */
+    static TLcVtStateRunning* InstanceL(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates );
+
+public: // from TLcVtStateBase
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleVtEventL( TInt aEvent );
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleCommandL( const TInt aCommand );
+
+    /** @see TLcVtStateBase */
+    virtual TBool HandleForegroundChangedL( TBool aIsForeground );
+
+    /** @see TLcVtStateBase */
+    virtual TBool PreHandleForegroundChangedL( TBool aIsForeground );
+    /** @see TLcVtStateBase */
+    //virtual void HandleLayoutChangedL();
+
+    /** @see TLcVtStateBase */
+    //virtual void StartDtmfTone( const TChar& aTone );
+
+    /** @see TLcVtStateBase */
+    //virtual void StopDtmfTone();
+
+    /** @see TLcVtStateBase */
+    virtual void OpenL();
+
+private: // from TLcVtStateBase
+    /** @see TLcVtStateBase */
+    virtual void Close();
+
+private: // constructors and destructors
+
+    // c++ constructor
+    TLcVtStateRunning(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates );
+
+    // Destructor
+    virtual ~TLcVtStateRunning();
+
+private: // new functions
+
+    /** Requests call handling subsystem to initiate a voice call.
+     * Starts shutdown of the application.
+     */
+    void CreateVoiceCallL();
+
+    /** Dials emergency call and starts shutdown */
+    void DialEmergencyCallL();
+    
+    void ShutdownWithEngineCommandL( const TInt aCommand );
+
+private: // data members
+    // singleton
+    static TLcVtStateRunning* iInstance;
+    
+    };
+
+/**
+*  Application state that is active during shutdown.
+*
+*  @since S60 v3.2
+*/
+class TLcVtStateResetting : public TLcVtStateBase
+    {
+public:
+    /**
+    * returns singleton instance of TLcVtStateResetting
+    * @param aCtx state context
+    * @param aUiStates UI states
+    * @param aCommand engine command to send when resetting state activates
+    * @return singleton
+    */
+    static TLcVtStateResetting* InstanceL(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates,
+        const TVtEngCommandId aCommand = KVtEngCommandNone );
+
+public: // from TLcVtStateBase
+
+    /** @see TLcVtStateBase */
+    virtual void LcVtStartupFailedL();
+
+    /** @see TLcVtStateBase */
+    virtual void ShutdownDoneL();
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleVTCommandPerformedL(
+        TVtEngCommandId aCommand,
+        const TInt aError );
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleVtEventL( TInt aEvent );
+
+    /** @see TLcVtStateBase */
+    virtual TEventResponse HandleCommandL( const TInt aCommand );
+
+    /** @see TLcVtStateBase */
+    virtual TBool HandleForegroundChangedL( TBool aIsForeground );
+
+    /** @see TLcVtStateBase */
+    virtual TBool PreHandleForegroundChangedL( TBool aIsForeground );
+
+    /** @see TLcVtStateBase */
+    //virtual void HandleLayoutChangedL();
+
+private: // from TLcVtStateBase
+
+    /** @see TLcVtStateBase */
+    virtual void OpenL();
+
+    /** @see TLcVtStateBase */
+    virtual void Close();
+
+private: // constructors and destructors
+
+    // c++ constructor
+    TLcVtStateResetting(
+        MLcVtStateContext& aCtx,
+        TLcVtStates& aUiStates,
+        const TVtEngCommandId aCommand = KVtEngCommandNone );
+
+    // Destructor
+    virtual ~TLcVtStateResetting();
+
+private: // data members
+
+    // Singleton
+    static TLcVtStateResetting* iInstance;
+    
+    // Used in user originated shutdown (end active call/switch to voice)
+    TVtEngCommandId iCommand;
+    };
+
+#endif // T_LCVTPLUGINSTATES_H