emailservices/nmailagent/src/ssastartupwatcher.cpp
changeset 23 2dc6caa42ec3
child 30 759dc5235cdb
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20:ecc8def7944a 23:2dc6caa42ec3
       
     1 // Copyright (c) 2010 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 "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 #include "ssastartupwatcher.h"
       
    17 
       
    18 /*!
       
    19     Factory function to create a new instance of the CSSAStartupWatcher
       
    20     \return new CSSAStartupWatcher object
       
    21 */
       
    22 CSSAStartupWatcher* CSSAStartupWatcher::NewL(TStartupCallBack aCallback)
       
    23 {
       
    24 	CSSAStartupWatcher* self = new (ELeave) CSSAStartupWatcher(KDmHierarchyIdStartup, 
       
    25 	    KSM2AppServicesDomain3, aCallback);
       
    26 	CleanupStack::PushL(self);
       
    27 	self->ConstructL();
       
    28 	CleanupStack::Pop(self);
       
    29 	return self;
       
    30 }
       
    31 
       
    32 /*!
       
    33     Factory function to create a new instance of the CSSAStartupWatcher
       
    34     \return new CSSAStartupWatcher object
       
    35 */
       
    36 CSSAStartupWatcher* CSSAStartupWatcher::New(TStartupCallBack aCallback)
       
    37 {
       
    38     CSSAStartupWatcher* self = NULL;
       
    39     TRAP_IGNORE( self = NewL(aCallback); );
       
    40     return self;
       
    41 }
       
    42 
       
    43 /*!
       
    44     Constructor of CWatcherSSAStartupMgr
       
    45 
       
    46     \param aHierarchyId The Id of the domain hierarchy to connect to
       
    47     \param aDomainId The Id of the domain to connect to
       
    48 */
       
    49 CSSAStartupWatcher::CSSAStartupWatcher(TDmHierarchyId aHierarchyId, 
       
    50     TDmDomainId aDomainId, TStartupCallBack aCallback)
       
    51 : CDmDomain(aHierarchyId,aDomainId), 
       
    52   iCallback(aCallback)
       
    53 {
       
    54 }
       
    55 
       
    56 /*!
       
    57     Destructor
       
    58 */
       
    59 CSSAStartupWatcher::~CSSAStartupWatcher()
       
    60 {
       
    61 	Cancel();
       
    62 }
       
    63 
       
    64 /**
       
    65 Second-stage constructor.
       
    66 
       
    67 This method indicates how the CWatcherSSAStartupMgr interacts with the
       
    68 Domain manager to keep aware of the startup state change.
       
    69 */
       
    70 void CSSAStartupWatcher::ConstructL()
       
    71 {
       
    72 	// Connect to the Domain Manager
       
    73 	CDmDomain::ConstructL();
       
    74 
       
    75 	// Get the start-up state from the Domain Manager.
       
    76 	TDmDomainState state = GetState();
       
    77 
       
    78 	// Something wrong with the Domain Manager
       
    79 	if( state <= EStartupStateUndefined ) {
       
    80 	    User::Leave(KErrNotReady);
       
    81 	}
       
    82 
       
    83 	// Already passed the non critical state
       
    84 	if( state >= EStartupStateNonCritical ) {
       
    85 	    NotifyState(state);
       
    86 	}
       
    87 	else {
       
    88 	    RequestTransitionNotification();
       
    89 	}
       
    90 }
       
    91 
       
    92 /*!
       
    93     Notify state change
       
    94 */
       
    95 void CSSAStartupWatcher::NotifyState(TInt aValue) 
       
    96 {
       
    97     (*iCallback)(aValue);
       
    98 }
       
    99 
       
   100 /*!
       
   101     Executed when the startup state change is done, it does the same thing
       
   102     as the method InitialiseL().
       
   103 */
       
   104 void CSSAStartupWatcher::RunL()
       
   105 {
       
   106 	// Leave if our previous request to be notified a state change has
       
   107 	// returned an error and let RunError handle this.
       
   108 	if (iStatus.Int()!=KErrNone) {
       
   109 	    NotifyState( iStatus.Int() );
       
   110 	}
       
   111 	else {
       
   112 	    // Get the start-up state from the Domain Manager.
       
   113 	    TDmDomainState state = GetState();
       
   114 
       
   115 	    // Reached the non critical startup state
       
   116 	    if( state >= EStartupStateNonCritical ) {
       
   117 	        NotifyState(state);
       
   118 	    }
       
   119 	    else {
       
   120 	        AcknowledgeLastState(KErrNone);
       
   121 	        RequestTransitionNotification();
       
   122 	    }
       
   123 	}
       
   124 }
       
   125 
       
   126 // End of file