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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <e32base.h> |
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19 |
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20 #include "mcschildrenhandler.h" |
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21 |
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22 #include "mcsdef.h" |
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23 #include "mcsmenunotifier.h" |
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24 #include "menueng.h" |
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25 #include "mcscachehandler.h" |
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26 #include "menusrveng.h" |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 // ----------------------------------------------------------------------------- |
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30 // CMcsChildrenHandler::NewL |
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31 // Two-phased constructor. |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 |
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35 CMcsChildrenHandler* CMcsChildrenHandler::NewL( |
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36 CMenuSrvEng& aSrvEng, |
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37 CMcsCacheHandler& aCacheHandler ) |
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38 { |
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39 CMcsChildrenHandler* self = new( ELeave ) |
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40 CMcsChildrenHandler( aSrvEng, aCacheHandler ); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop( self ); |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // Destructor |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CMcsChildrenHandler::~CMcsChildrenHandler() |
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52 { |
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53 delete iScanner; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CMcsChildrenHandler::CMcsChildrenHandler |
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58 // C++ default constructor can NOT contain any code, that |
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59 // might leave. |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 CMcsChildrenHandler::CMcsChildrenHandler( |
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63 CMenuSrvEng& aSrvEng, |
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64 CMcsCacheHandler& aCacheHandler ) : |
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65 iSrvEng( aSrvEng ), |
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66 iCacheHandler( aCacheHandler ) |
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67 { |
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68 |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CMcsDrmHandler::ConstructL |
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73 // Symbian 2nd phase constructor can leave. |
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74 // ----------------------------------------------------------------------------- |
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75 void CMcsChildrenHandler::ConstructL() |
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76 { |
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77 iScanner = CMcsChildrenScanner::NewL(*this, iSrvEng); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 void CMcsChildrenHandler::HandleChildrenEvent(TInt aId, TUint aOldCount, TUint aNewCount) |
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85 { |
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86 if (aOldCount != aNewCount) |
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87 { |
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88 iCacheHandler.HandleRemoveAttribute(aId, KChildrenCount); |
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89 |
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90 // Send Notification |
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91 if (aOldCount == 0 || aNewCount == 0) |
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92 { |
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93 TRAP_IGNORE( iSrvEng.Engine().ModifiableObjectL( |
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94 aId, RMenuNotifier::EItemAttributeChanged )); |
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95 } |
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96 } |
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97 } |
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98 |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CMcsChildrenHandler::EngineEvents( TInt aFolder, TInt aEvents ) |
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105 { |
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106 if ( aEvents & ( RMenuNotifier::EItemsAddedRemoved |
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107 | RMenuNotifier::EItemAttributeChanged ) ) |
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108 { |
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109 iScanner->Scan(aFolder); |
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110 } |
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111 } |
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112 |
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113 // End of File |
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114 |