1 /*

     2 * Copyright (c) 2005-2007 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:  Callback handler for newsticker component callbacks

    15 *

    16 */

    17 

    18 

    19 #include "newstickercallbackhandler.h"

    20 #include "aifweventhandler.h"

    21 #include "aiconsts.h"

    22 #include "aixmluiconstants.h"

    23 #include "aistrcnv.h"

    24 

    25 using namespace AiXmlUiController;

    26 

    27 const TInt KRadix = 10;

    28 const TText16 KPluginEventParameterSeparator = ',';

    29 const TText16 KEventParameterTerminator = ')';

    30 

    31 static TInt IndexLength( TInt aIndex )

    32     {

    33     TInt length = 0;

    34 

    35     if ( aIndex < 0 )

    36         {

    37         ++length;

    38         }

    39 

    40     do

    41         {

    42         aIndex /= KRadix;

    43         ++length;

    44         }

    45     while ( aIndex != 0 );

    46 

    47     return length;

    48     }

    49 

    50 // ======== MEMBER FUNCTIONS ========

    51 

    52 CNewstickerCallbackHandler::CNewstickerCallbackHandler( MAiFwEventHandler& aFwEventHandler )

    53     : iFwEventHandler( aFwEventHandler )

    54     {

    55     }

    56 

    57 CNewstickerCallbackHandler* CNewstickerCallbackHandler::NewLC( MAiFwEventHandler& aFwEventHandler )

    58     {

    59     CNewstickerCallbackHandler* self = new( ELeave ) CNewstickerCallbackHandler( aFwEventHandler );

    60     CleanupStack::PushL( self );

    61     return self;

    62     }

    63 

    64 

    65 CNewstickerCallbackHandler::~CNewstickerCallbackHandler()

    66     {

    67     delete iEventBuffer;

    68     }

    69 

    70 

    71 void CNewstickerCallbackHandler::TitleScrolledL( const TDesC& aPublisherName,

    72                                                  const TDesC& aPublishingClass,

    73                                                  TInt aIndex )

    74     {

    75     SendEventToNewstickerPluginL( AiUiDef::xml::event::KNewstickerTitleScrolled,

    76                                     aPublisherName,

    77                                     aPublishingClass,

    78                                     aIndex);

    79     }

    80 

    81 void CNewstickerCallbackHandler::TitleToScrollL( const TDesC& aPublisherName,

    82                                                  const TDesC& aPublishingClass,

    83                                                  TInt aIndex )

    84     {

    85     SendEventToNewstickerPluginL( AiUiDef::xml::event::KNewstickerTitleToScroll,

    86                                     aPublisherName,

    87                                     aPublishingClass,

    88                                     aIndex);

    89     }

    90 

    91 

    92 void CNewstickerCallbackHandler::SendEventToNewstickerPluginL( const TDesC& aEvent,

    93                                                         const TDesC& aPublisherName,

    94                                                         const TDesC& aPublishingClass,

    95                                                         TInt aIndex)

    96     {

    97         // Calculate event buffer length

    98     TInt length = aPublisherName.Length()

    99                   + KPluginEventSeparatorLength

   100                   + aEvent.Length()

   101                   + KEventParameterSeparatorLength

   102                   + aPublishingClass.Length()

   103                   + KEventParameterSeparatorLength

   104                   + IndexLength( aIndex )

   105                   + KEventParameterSeparatorLength;

   106 

   107     // Allocate event buffer

   108     TPtr event = AiUtility::EnsureBufMaxLengthL( iEventBuffer, length );

   109 

   110     // Create event string

   111     event.Zero();

   112     event.Append( aPublisherName );

   113     event.Append( KPluginEventSeparator );

   114     event.Append( aEvent );

   115     event.Append( KEventParameterSeparator );

   116     event.Append( aPublishingClass );

   117     event.Append( KPluginEventParameterSeparator );

   118     event.AppendNum( aIndex );

   119     event.Append( KEventParameterTerminator );

   120 

   121     // Send event to plugin

   122     // TODO: fix namespace

   123     iFwEventHandler.HandlePluginEvent( event );

   124     }