callcontinuity/vcc/inc/tvccstatecalling.h
branchRCL_3
changeset 22 d38647835c2e
parent 0 a4daefaec16c
equal deleted inserted replaced
21:f742655b05bf 22:d38647835c2e
       
     1 /*
       
     2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Function definitions for VCC Calling State
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef TVCCSTATECALLING_H
       
    21 #define TVCCSTATECALLING_H
       
    22 
       
    23 //  INCLUDES
       
    24 #include <e32base.h>
       
    25 #include <e32cmn.h> // HBufC
       
    26 
       
    27 #include "tvccstate.h"
       
    28 
       
    29 /**  Calling state name */
       
    30 const TUint KVccStateCalling = 1;
       
    31 
       
    32 //forward declarations
       
    33 class CVccPerformer;
       
    34 
       
    35 /**
       
    36 * The base class for VCC state machine implementation.
       
    37 * Contains default implementations for the functions.
       
    38 * Current state machine is:
       
    39 * 
       
    40 * init -> calling -> releasing -> init
       
    41 * 
       
    42 *  @lib vccperformer.dll
       
    43 *  @since S60 3.2
       
    44 */
       
    45 class TVccStateCalling: public TVccState
       
    46     {
       
    47           
       
    48 public:
       
    49 	/**
       
    50 	* c'tor
       
    51 	*/
       
    52 	TVccStateCalling();
       
    53 	
       
    54     /**
       
    55     * Links the state i.e. provides transition points.
       
    56     * @param aReleasing reference to the realising state
       
    57     * @param aInit reference to the init state
       
    58     * @param afailing reference to the failing state
       
    59     */
       
    60     void LinkState( TVccState& aReleasing, 
       
    61                     TVccState& aInit, 
       
    62                     TVccState& aFailing);
       
    63 
       
    64 // From base class TVccState
       
    65     
       
    66     /**
       
    67      * @see TVccState::Name()
       
    68      */
       
    69     TUint Name() const;
       
    70 	
       
    71 	/**
       
    72 	* @See TVccState::HangUp()
       
    73 	*/	
       
    74 	TInt HangUp(CVccPerformer& aContext, MCCPCall& aCall);
       
    75 
       
    76     /**
       
    77      * @see TVccState::CallStateChanged()
       
    78      */
       
    79 	void CallStateChanged( CVccPerformer& aContext, 
       
    80 	                    const MCCPCallObserver::TCCPCallState aState,
       
    81 	                    MCCPCall* aCall );
       
    82 	
       
    83     /**
       
    84      * @see TVccState::CallStateChangedWithInband()
       
    85      */
       
    86 	void CallStateChangedWithInband(CVccPerformer& aContext, 
       
    87 	            const MCCPCallObserver::TCCPCallState aState,
       
    88 	            MCCPCall* aCall );
       
    89 	
       
    90     /**
       
    91      * @see TVccState::CallEventOccurred()
       
    92      */
       
    93 	void CallEventOccurred( CVccPerformer& aContext, 
       
    94 	            const MCCPCallObserver::TCCPCallEvent aEvent,
       
    95 	            MCCPCall* aCall );
       
    96 	    
       
    97     /**
       
    98      * @see TVccState::ErrorOccurred()
       
    99      */
       
   100     void ErrorOccurred( CVccPerformer& aContext, 
       
   101                         const TCCPError aError,
       
   102                         MCCPCall* aCall );	
       
   103 	
       
   104 private:
       
   105     
       
   106     //no copying
       
   107     TVccStateCalling(const TVccStateCalling&);
       
   108     TVccStateCalling operator = (const TVccStateCalling&);
       
   109 
       
   110     /**
       
   111     * Inspects the state changed for possible remote disconnect and other
       
   112     * failing hand-over cases.
       
   113     * @param aContext a state context
       
   114     * @param aState a current state value
       
   115     * @param aCall the call leg emetting the event
       
   116     * @param aCallee the object instance calling the callback
       
   117     * @param aCallback a function to call in case event must be emitted and not suppressed.
       
   118     */  
       
   119     void InspectChangedStates( CVccPerformer& aContext, 
       
   120                                const MCCPCallObserver::TCCPCallState aState,
       
   121                                MCCPCall* aCall,
       
   122                                MCCPCallObserver* aCallee,
       
   123                                void( MCCPCallObserver::*aCallback)(const MCCPCallObserver::TCCPCallState, MCCPCall*));
       
   124 
       
   125 private: // data
       
   126     /**
       
   127      * Reference to Releasing state
       
   128      * Not own.
       
   129      */
       
   130 	TVccState* iReleasing;
       
   131 
       
   132     /**
       
   133      * Reference to Init state
       
   134      * Not own.
       
   135      */
       
   136 	TVccState* iInit;
       
   137 	
       
   138     /**
       
   139      * Reference to Failing state
       
   140      * Not own.
       
   141      */
       
   142 	TVccState* iFailing;
       
   143     };
       
   144 
       
   145 #endif      // TVCCSTATECALLING_H
       
   146 
       
   147 // End of File