imstutils/imconversationview/imcvuiapp/src/cimcvappmessageflowhandler.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:33:36 +0100
branchRCL_3
changeset 29 9a48e301e94b
parent 0 5e5d6b214f4f
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Message flow handler class
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*
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*/
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// INCLUDE FILES
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#include    <coemain.h>
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#include    "cimcvappmessageflowhandler.h"
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#include    "mimcvenginemessagecontainer.h"
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#include    "cimcvenginecontextobserver.h"
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#include    "mimcvenginemessagesreadinterface.h"
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#include 	"imcvlogger.h"
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#include	"cimcvappui.h"
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#include 	"cimcvengine.h"
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#include	"mimcvenginechatinterface.h"
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// CONSTANTS
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const TInt KMilliToMicro     = 1000;    // multiplier for converting milliseconds to microseconds
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const TInt KTimeIntervalSlow = 2000;    // slowest message speed (in milliseconds)
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const TInt KTimeIntervalFast =  200;    // fastest message speed (in milliseconds)
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const TInt KTimeIntervalOpen =    0;    // message fetching speed when opening the view
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const TInt KInitialMessages  =    3;    // fetch n messages at once when opening the view
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const TInt KSettingValueMin  =    1;    // minimum value for flow control setting
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const TInt KSettingValueMax  =    3;    // maximum value for flow control setting
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const TInt KIMFeatBackgroundGroupOpening = 0x00000008;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CIMCVAppMessageFlowHandler::CIMCVAppMessageFlowHandler
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CIMCVAppMessageFlowHandler::CIMCVAppMessageFlowHandler( MIMCVEngineMessageContainer& aMessageContainer, 
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                MIMCVEngineMessageReadInterface& aReadInterface,CIMCVEngine& aActiveEngine )
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    : CTimer( EPriorityStandard ), 
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      iMessages( aMessageContainer ),
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      iReadInterface( aReadInterface ),
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      iActiveEngine( aActiveEngine ),
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      iFetchMessages( ETrue )
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     {
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	CActiveScheduler::Add( this );
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    }
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// -----------------------------------------------------------------------------
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// CCAMessageFlowHandler::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CIMCVAppMessageFlowHandler* CIMCVAppMessageFlowHandler::NewL( 
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                                    MIMCVEngineMessageContainer& aMessageContainer, 
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                                    MIMCVEngineMessageReadInterface& aReadInterface,
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                                    CIMCVEngine& aActiveEngine,
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                                    TBool aScrollOver )
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	{
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	CIMCVAppMessageFlowHandler* self = new( ELeave ) CIMCVAppMessageFlowHandler( 
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            aMessageContainer,
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            aReadInterface ,
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            aActiveEngine );
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    CleanupStack::PushL( self );
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    self->ConstructL( aScrollOver );
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    CleanupStack::Pop( self );
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    return self;
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	}
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// -----------------------------------------------------------------------------
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// CIMCVAppMessageFlowHandler::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CIMCVAppMessageFlowHandler::ConstructL( TBool aScrollOver )
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    {
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    // construct base class
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    CTimer::ConstructL();
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    // for getting chat interface from CIMCVAPPAppUi
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    iActiveEngine.ChatInterface().RegisterChatListObserver(this);	
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	// and observe changes
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    iReadInterface.SetObserver( this );
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    iReadInterface.SetActive(ETrue);
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    // fetch flow control value from settings
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    UpdateTimeIntervalL();        
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    if ( aScrollOver )
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        {
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parents:
diff changeset
   110
        iBgOpeningMode = EFalse;
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parents:
diff changeset
   111
        }
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parents:
diff changeset
   112
    else
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parents:
diff changeset
   113
        {
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parents:
diff changeset
   114
    	iBgOpeningMode = 0 & KIMFeatBackgroundGroupOpening;
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parents:
diff changeset
   115
        }
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parents:
diff changeset
   116
    
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parents:
diff changeset
   117
    // start the timer if there are messages
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parents:
diff changeset
   118
    iInitialMsgCount = iReadInterface.MessageCount();
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parents:
diff changeset
   119
    if( iInitialMsgCount + iReadInterface.UnreadCount() > 0 )
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parents:
diff changeset
   120
        {
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parents:
diff changeset
   121
        // lock the buffer
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parents:
diff changeset
   122
        iReadInterface.Lock( ETrue );
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parents:
diff changeset
   123
    
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parents:
diff changeset
   124
        // use faster timer when constructing
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parents:
diff changeset
   125
        iTimeInterval = KTimeIntervalOpen * KMilliToMicro;
5e5d6b214f4f Revision: 201003
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parents:
diff changeset
   126
        After( iTimeInterval );
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parents:
diff changeset
   127
        }        
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parents:
diff changeset
   128
  }
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parents:
diff changeset
   129
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parents:
diff changeset
   130
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
// Destructor
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diff changeset
   132
CIMCVAppMessageFlowHandler::~CIMCVAppMessageFlowHandler()
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parents:
diff changeset
   133
    {
5e5d6b214f4f Revision: 201003
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parents:
diff changeset
   134
    // for getting chat interface from CIMCVAPPAppUi
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
    iActiveEngine.ChatInterface().UnregisterChatListObserver(this);	
5e5d6b214f4f Revision: 201003
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parents:
diff changeset
   136
		    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
    if ( !iChatDeleted )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
        iReadInterface.SetActive(EFalse);
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
        iReadInterface.SetObserver( NULL );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
        iReadInterface.Lock( EFalse );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
    Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
	}
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
// CIMCVAppMessageFlowHandler::FetchMessages
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
// (other items were commented in a header).
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parents:
diff changeset
   150
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
//
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
void CIMCVAppMessageFlowHandler::FetchMessages( TBool aFetch )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
    TBool reallyInBg =
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
        CCoeEnv::Static()->RootWin().OrdinalPosition() == 0 ? EFalse : ETrue;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
    if ( !reallyInBg && !aFetch )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
        // Application is not really in background, this can happen
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
        // if key lock is activated while application is in foreground
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
        aFetch = ETrue;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
    iFetchMessages = aFetch;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
    if( iFetchMessages && !iChatDeleted )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
        // we're allowed to fetch messages again
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
        if( iReadInterface.UnreadCount() > 0 && !IsActive() )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
            {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
            // there are some unread messages
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
            // => start the timer (if not active already)
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
            After( iTimeInterval );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
            }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
        }   
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
    else if( iMsgIndex < iInitialMsgCount )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
        Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
        After( iTimeInterval );        
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
        return;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
    else
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
        // we're not allowed to fetch new messages any more, so cancel the timer
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
        Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
// CIMCVAppMessageFlowHandler::HandleMessageEvent
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
// (other items were commented in a header).
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
//
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
void CIMCVAppMessageFlowHandler::HandleMessageEvent( TMessageEventType aEvent, 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
                                                TInt aIndex )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
    IM_CV_LOGS(TXT("CIMCVAppMessageFlowHandler::HandleMessageEvent event %d, \
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
                         index %d"), aEvent, aIndex );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
    switch( aEvent )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
        case ENewMessage:
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
            {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
            if( !IsActive() && iFetchMessages )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
                {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
                // if not active, start timer
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
                After( iTimeInterval );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
                }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
            
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
            if ( IsOpening() && iBgOpeningMode )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
                {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
                // New message during opening phase
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
                iNewMsgWhileOpening = ETrue;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
                }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
                
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
            // otherwise do nothing as timer fetches the messages
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
            break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
            }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
		
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
        default:
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
            {            
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
            break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
            }
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        }
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    }
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// -----------------------------------------------------------------------------
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// CIMCVAppMessageFlowHandler::RunL
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CIMCVAppMessageFlowHandler::RunL()
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    {    
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    TBool messages( ETrue );
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    TBool opening = IsOpening();
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    // If we're opening the view, fetch KInitialMessages at a time, otherwise just one
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    TInt count( opening ? KInitialMessages : 1 );
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    while( count-- > 0 && messages )
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        {
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        if ( iBgOpeningMode && opening )
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            {
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            // Opening the chat with background message fetching.
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            // Perform steps in following order:
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            // 1. Add possible new messages that are received during
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            //    the opening phase to the end of chat normally
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            // 2. Insert unread messages to the beginning of chat
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   249
            if ( iNewMsgWhileOpening && iFetchMessages ) 
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   250
                {
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   251
                // Add the new message now
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                iMessages.AddMessageL( iReadInterface.ReadNextUnread() );                						
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   253
            	
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                iNewMsgWhileOpening = EFalse;
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                }
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   256
            else if ( iReadInterface.UnreadCount() > 0 && iFetchMessages ) 
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   257
                {
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   258
                // Insert unread messages, insert in last-to-first order
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   259
                iAddedUnreadMsgs++;
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   261
                iMessages.InsertMessageL(  
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   262
                	iReadInterface.ReadUnreadFromIndex(
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   263
                    iReadInterface.MessageCount()
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   264
                    + iReadInterface.UnreadCount()
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   265
                    - iAddedUnreadMsgs )  );
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parents:
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   268
                }
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parents:
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   269
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   270
            else
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   271
                {
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                // Check if the initial speed was active
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   273
                if ( opening )
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parents:
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   274
                    {
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                    UpdateTimeIntervalL();
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   276
                    }
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                messages = EFalse;
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                iReadInterface.Lock( EFalse );
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   279
                }
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   280
            }
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   281
        else
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parents:
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   282
            {
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   283
            // Functionality in opening in releases 3.1 and earlier
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            // and normal functionality when the chat is already fully opened
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   285
            // and new messages are received.
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   287
            //  Add unread messages in first-to-last order
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   288
            if ( iReadInterface.UnreadCount() > 0 )
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parents:
diff changeset
   289
                {
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   290
                // Add unread messages
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   291
                iMessages.AddMessageL( iReadInterface.ReadNextUnread() );
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parents:
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   292
				
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   293
                }
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   294
            else
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parents:
diff changeset
   295
                {
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parents:
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   296
                // Check if the initial speed was active
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   297
                if ( opening )
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parents:
diff changeset
   298
                    {
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   299
                    UpdateTimeIntervalL();
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diff changeset
   300
                    }
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   301
                messages = EFalse;
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   302
                iReadInterface.Lock( EFalse );
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diff changeset
   303
                }
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diff changeset
   304
            }
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parents:
diff changeset
   305
        }
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parents:
diff changeset
   306
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   307
    // And restart timer if needed    
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parents:
diff changeset
   308
    if ( messages )        
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parents:
diff changeset
   309
        {
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parents:
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   310
        Cancel();
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parents:
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   311
        After( iTimeInterval );
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parents:
diff changeset
   312
        }
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parents:
diff changeset
   313
    }
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parents:
diff changeset
   314
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parents:
diff changeset
   315
// -----------------------------------------------------------------------------
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parents:
diff changeset
   316
// CIMCVAppMessageFlowHandler::RunError
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parents:
diff changeset
   317
// (other items were commented in a header).
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parents:
diff changeset
   318
// -----------------------------------------------------------------------------
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parents:
diff changeset
   319
//
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parents:
diff changeset
   320
TInt CIMCVAppMessageFlowHandler::RunError( TInt aError )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
    {
5e5d6b214f4f Revision: 201003
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parents:
diff changeset
   322
    IM_CV_LOGS(TXT("CIMCVAppMessageFlowHandler::RunError (%d)"), aError );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
    // Something leaved in RunL
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
    if( aError == KErrNoMemory )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
        // inform user about low memory
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
        CActiveScheduler::Current()->Error( aError );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
    if( IsActive() )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
        // stop processing messages
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
        Cancel();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    return KErrNone;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
// CIMCVAppMessageFlowHandler::UpdateTimeIntervalL
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
// (other items were commented in a header).
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
//
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
void CIMCVAppMessageFlowHandler::UpdateTimeIntervalL()
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    // codescanner warning can be ignored
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
    TInt flowSetting( 10 );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    // flowSetting is from KSettingValueMin to KSettingValueMax
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
    TInt range( KSettingValueMax - KSettingValueMin );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
    TInt newRange( KTimeIntervalFast - KTimeIntervalSlow );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
    // convert it to a range from KTimeIntervalSlow to KTimeIntervalFast
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    TInt flowSpeed( (flowSetting-KSettingValueMin)*newRange / range );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
    // update the end point
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
    flowSpeed += KTimeIntervalSlow;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
    // validate the result
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
    if( flowSpeed > KTimeIntervalSlow )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
        flowSpeed = KTimeIntervalSlow;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
        
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    if( flowSpeed < KTimeIntervalFast )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
        flowSpeed = KTimeIntervalFast;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
    // and convert from milliseconds to microseconds            
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    iTimeInterval = flowSpeed * KMilliToMicro;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
// CIMCVAppMessageFlowHandler::IsOpening
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
// (other items were commented in a header).
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
//
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
TBool CIMCVAppMessageFlowHandler::IsOpening() const
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    return iTimeInterval == 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
            TTimeIntervalMicroSeconds32( KTimeIntervalOpen * KMilliToMicro );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
// CIMCVAppMessageFlowHandler: HandleChatListEvent
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
// -----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
//
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
void CIMCVAppMessageFlowHandler::HandleChatListEvent( TInt /*aServiceId*/, TChatListEventType aEvent, 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
									MIMCVEngineMessageReadInterface* /*aContainerInfo*/
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
									) 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	{
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
		
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	switch (aEvent)
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
		{
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
		case EChatItemAdded:
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
			{							
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
			break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
			}
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
		case EChatItemDeleted:
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
			{				
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
			iChatDeleted = ETrue;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
			break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
			}
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
		default:
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
			break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
		}
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
	
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
	}
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
//  End of File