1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __TSTATE_H__

    17 #define __TSTATE_H__

    18 

    19 #include "usbmsshared.h"

    20 #include "cpropertywatch.h"

    21 

    22 class TState

    23 {

    24 public:

    25     TState(int id) : stateId(id) {}

    26     virtual ~TState() {}

    27     

    28     virtual void MoveTo(int aStateId) const = 0;

    29     TInt GetStateId() const {return stateId;}

    30 

    31 private:

    32     const TInt stateId;

    33 };

    34 

    35 //////////////////////////////////////////////////////////////

    36 

    37 class TDisconnected : public TState

    38 {

    39 public:

    40     TDisconnected() : TState(EUsbMsDriveState_Disconnected){}

    41     ~TDisconnected(){}

    42 

    43     void MoveTo(TInt aStateId) const;

    44 

    45 private:

    46     void MoveToConnecting() const;

    47     void MoveToConnected() const;

    48 };

    49 

    50 //////////////////////////////////////////////////////////////

    51 

    52 class TConnecting : public TState

    53 {

    54 public:

    55     TConnecting() : TState(EUsbMsDriveState_Connecting){}

    56     ~TConnecting(){}

    57 

    58     void MoveTo(TInt aStateId) const;

    59 

    60 private:

    61     void MoveToWritten() const;

    62 };

    63 

    64 //////////////////////////////////////////////////////////////

    65 

    66 class TConnected : public TState

    67 {

    68 public:

    69     TConnected() : TState(EUsbMsDriveState_Connected){}

    70     ~TConnected(){}

    71 

    72     void MoveTo(TInt aStateId) const;

    73 

    74 private:

    75     void MoveToActive() const;

    76 };

    77 

    78 //////////////////////////////////////////////////////////////

    79 

    80 class TDisconnecting : public TState

    81 {

    82 public:

    83     TDisconnecting() : TState(EUsbMsDriveState_Disconnecting){}

    84     ~TDisconnecting(){}

    85 

    86     void MoveTo(TInt aStateId) const;

    87 

    88 private:

    89     void MoveToDisconnected() const;

    90 };

    91 

    92 //////////////////////////////////////////////////////////////

    93 

    94 class TActive : public TState

    95 {

    96 public:

    97     TActive() : TState(EUsbMsDriveState_Active){}

    98     ~TActive(){}

    99 

   100     void MoveTo(TInt aStateId) const;

   101     

   102 private:

   103     void MoveToLocked() const;

   104     void MoveToDisconnecting() const;

   105 };

   106 

   107 //////////////////////////////////////////////////////////////

   108 

   109 class TLocked : public TState

   110 {

   111 public:

   112     TLocked() : TState(EUsbMsDriveState_Locked){}

   113     ~TLocked(){}

   114 

   115     void MoveTo(TInt aStateId) const;

   116 

   117 private:

   118     void MoveToDisconnecting() const;

   119 };

   120 

   121 //////////////////////////////////////////////////////////////

   122 

   123 class TWritten : public TState

   124 {

   125 public:

   126     TWritten() : TState(EUsbMsState_Written){}

   127     ~TWritten(){}

   128 

   129     void MoveTo(TInt aStateId) const;

   130 

   131 private:

   132     void MoveToRead() const;

   133 };

   134 

   135 //////////////////////////////////////////////////////////////

   136 

   137 class TRead : public TState

   138 {

   139 public:

   140     TRead() : TState(EUsbMsState_Read){}

   141     ~TRead(){}

   142 

   143     void MoveTo(TInt aStateId) const;

   144 

   145 private:

   146     void MoveToDisconnected() const;

   147 };

   148 

   149 #endif // __TSTATE_H__    

   150    

   151 

   152