mtpdataproviders/mtppictbridgedp/pictbridgeengine/src/dpsstate.cpp
branchRCL_3
changeset 19 0aa8cc770c8a
equal deleted inserted replaced
18:453dfc402455 19:0aa8cc770c8a
       
     1 /*
       
     2 * Copyright (c) 2006, 2007 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:  These classes implement dps states. 
       
    15 *
       
    16 */
       
    17 
       
    18 #include <e32debug.h>
       
    19 #include "dpsstate.h"
       
    20 #include "dpsstatemachine.h"
       
    21 #include "dpstransaction.h"
       
    22 #include "dpsscriptreceiver.h"
       
    23 #include <pictbridge.h>
       
    24  
       
    25 #ifdef _DEBUG
       
    26 #	define IF_DEBUG(t) {RDebug::t;}
       
    27 #else
       
    28 #	define IF_DEBUG(t)
       
    29 #endif
       
    30   
       
    31 // ---------------------------------------------------------------------------
       
    32 // 
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 TDpsIdleState::TDpsIdleState(CDpsStateMachine* aStateMachine) :
       
    36     iStateMachine(aStateMachine) {}
       
    37     
       
    38 // ---------------------------------------------------------------------------
       
    39 // 
       
    40 // ---------------------------------------------------------------------------
       
    41 //
       
    42 void TDpsIdleState::ScriptSentNotifyL(TBool /*aReply*/)
       
    43     {
       
    44     IF_DEBUG(Print(_L("TDpsIdleState::ScriptSentNotify")));
       
    45     }
       
    46 
       
    47 // ---------------------------------------------------------------------------
       
    48 // 
       
    49 // ---------------------------------------------------------------------------
       
    50 //
       
    51 void TDpsIdleState::ScriptReceivedNotifyL(TBool aReply)
       
    52     {
       
    53     if (!aReply)
       
    54         {
       
    55         IF_DEBUG(Print(_L("TDpsIdleState::ScriptReceived request got")));            
       
    56         iStateMachine->Trader()->ParseScriptL(aReply);    
       
    57         iStateMachine->SetState(iStateMachine->SendingRepState());
       
    58         }
       
    59     else
       
    60         {
       
    61         IF_DEBUG(Print(_L(
       
    62             "TDpsIdleState::ScriptReceived should not get reply!!!")));    
       
    63         }
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // 
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 void TDpsIdleState::Error(TInt aErr)
       
    71     {
       
    72     IF_DEBUG(Print(_L("TDpsIdleState::Error %d"), aErr));
       
    73     if ((aErr != KErrCancel) && (aErr != KErrNotReady))
       
    74         {
       
    75         iStateMachine->Trader()->HandleHostRequestError(aErr);
       
    76         iStateMachine->SetState(iStateMachine->SendingRepState());    
       
    77         }
       
    78     
       
    79     }
       
    80 
       
    81 // ---------------------------------------------------------------------------
       
    82 // 
       
    83 // ---------------------------------------------------------------------------
       
    84 //
       
    85 TDpsSendingReqState::TDpsSendingReqState(CDpsStateMachine* aStateMachine) :
       
    86     iStateMachine(aStateMachine) {}
       
    87 
       
    88 // ---------------------------------------------------------------------------
       
    89 // 
       
    90 // ---------------------------------------------------------------------------
       
    91 //
       
    92 void TDpsSendingReqState::ScriptSentNotifyL(TBool aReply)
       
    93     {
       
    94     if (!aReply)
       
    95         {
       
    96         IF_DEBUG(Print(_L("TDpsSendingReqState::ScriptSent request")));
       
    97         iStateMachine->SetState(iStateMachine->WaitingRepState());
       
    98         }
       
    99     else
       
   100         {
       
   101         IF_DEBUG(Print(_L(
       
   102             "TDpsSendingReqState::ScriptSent should not get reply!!")));
       
   103         }
       
   104     }
       
   105 
       
   106 // ---------------------------------------------------------------------------
       
   107 // 
       
   108 // ---------------------------------------------------------------------------
       
   109 //
       
   110 void TDpsSendingReqState::ScriptReceivedNotifyL(TBool /*aReply*/)
       
   111     {
       
   112     IF_DEBUG(Print(_L("TDpsSendingReqState::ScriptReceived")));
       
   113     IF_DEBUG(Print(_L("**should not reply to the request/reply from host")));
       
   114     }
       
   115 
       
   116 // ---------------------------------------------------------------------------
       
   117 // 
       
   118 // ---------------------------------------------------------------------------
       
   119 //
       
   120 void TDpsSendingReqState::Error(TInt aErr)
       
   121     {
       
   122     User::RequestComplete(iStateMachine->DpsEngine()->OperationRequest(), 
       
   123                           aErr);
       
   124     iStateMachine->Initialize();                          
       
   125     return;
       
   126     }
       
   127 
       
   128 // ---------------------------------------------------------------------------
       
   129 // 
       
   130 // ---------------------------------------------------------------------------
       
   131 //
       
   132 TDpsWaitingRepState::TDpsWaitingRepState(CDpsStateMachine* aStateMachine) :
       
   133     iStateMachine(aStateMachine) {}
       
   134 
       
   135 
       
   136 // ---------------------------------------------------------------------------
       
   137 // 
       
   138 // ---------------------------------------------------------------------------
       
   139 //
       
   140 void TDpsWaitingRepState::ScriptSentNotifyL(TBool /*aReply*/)
       
   141     {    
       
   142     IF_DEBUG(Print(_L("TDpsWaitingRepState::ScriptSent")));
       
   143     }
       
   144 
       
   145 // ---------------------------------------------------------------------------
       
   146 // 
       
   147 // ---------------------------------------------------------------------------
       
   148 //
       
   149 void TDpsWaitingRepState::ScriptReceivedNotifyL(TBool aReply)
       
   150     {
       
   151     if (aReply)
       
   152         {
       
   153         IF_DEBUG(Print(_L("WaitingRepState reply")))
       
   154         
       
   155         iStateMachine->Trader()->ParseScriptL(aReply);      
       
   156         User::RequestComplete(
       
   157             iStateMachine->DpsEngine()->OperationRequest(), KErrNone);        
       
   158         iStateMachine->Initialize();        
       
   159         }
       
   160     else
       
   161         {
       
   162         IF_DEBUG(Print(_L("WaitingRepState should not get request")));
       
   163         // collision happened, we do nothing because the host will
       
   164         // eventually handle this by sending the correct response. but we need
       
   165         // to subscribe for the event again.
       
   166         iStateMachine->ScriptReceiver()->WaitForReceive();
       
   167         }
       
   168     }
       
   169 
       
   170 // ---------------------------------------------------------------------------
       
   171 // 
       
   172 // ---------------------------------------------------------------------------
       
   173 //
       
   174 void TDpsWaitingRepState::Error(TInt aErr)
       
   175     {
       
   176     // this is not tested
       
   177     User::RequestComplete(iStateMachine->DpsEngine()->OperationRequest(), 
       
   178                           aErr);
       
   179     iStateMachine->Initialize();                          
       
   180     }
       
   181 
       
   182 // ---------------------------------------------------------------------------
       
   183 // 
       
   184 // ---------------------------------------------------------------------------
       
   185 //
       
   186 TDpsSendingRepState::TDpsSendingRepState(CDpsStateMachine* aStateMachine) :
       
   187     iStateMachine(aStateMachine) {}
       
   188 
       
   189 // ---------------------------------------------------------------------------
       
   190 // 
       
   191 // ---------------------------------------------------------------------------
       
   192 //
       
   193 void TDpsSendingRepState::ScriptSentNotifyL(TBool aReply)
       
   194     {
       
   195     if (aReply)
       
   196         {
       
   197         IF_DEBUG(Print(_L("TDpsSendingRepState::ScriptSent reply")));
       
   198         if (KErrNone == iStateMachine->CurError())
       
   199             {
       
   200             // this is the normal situation, inform the client
       
   201             User::RequestComplete(iStateMachine->DpsEngine()->EventRequest(), 
       
   202                               KErrNone);    
       
   203             }
       
   204         else
       
   205             {
       
   206             // this is the error situation, do not inform the client. and
       
   207             // we need to subscribe for the new event.
       
   208             iStateMachine->ScriptReceiver()->WaitForReceive();
       
   209             }
       
   210         iStateMachine->Initialize();
       
   211         }
       
   212     else
       
   213         {
       
   214         IF_DEBUG(Print(_L(
       
   215             "TDpsSendingRepState::ScriptSent shoul not get request!!!")));
       
   216         }
       
   217     }
       
   218 
       
   219 // ---------------------------------------------------------------------------
       
   220 // 
       
   221 // ---------------------------------------------------------------------------
       
   222 //
       
   223 void TDpsSendingRepState::ScriptReceivedNotifyL(TBool /*aReply*/)
       
   224     {
       
   225     IF_DEBUG(Print(_L("TDpsSendingRepState::ScriptReceived")));
       
   226     }
       
   227 
       
   228 // ---------------------------------------------------------------------------
       
   229 // 
       
   230 // ---------------------------------------------------------------------------
       
   231 //
       
   232 void TDpsSendingRepState::Error(TInt /*aErr*/)
       
   233     {
       
   234     return;
       
   235     }