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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalTechnology |
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19 */ |
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20 |
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21 #ifndef SYMBIAN_FACTORYNOTIFY_H |
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22 #define SYMBIAN_FACTORYNOTIFY_H |
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23 |
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24 #include <e32base.h> |
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25 #include <s32std.h> |
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26 #include <elements/factory.h> |
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27 |
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28 namespace Factories |
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29 { |
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30 |
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31 typedef void (*TInterfaceStateChangeFn)( TAny*, TDesC8& aInfo ); |
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32 typedef TInt (*TFactoryNotifyFn)( TAny*, AFactoryObject& aObject, CFactoryBase& aFactory ); |
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33 typedef void (*TAnyFn)(TAny*); |
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34 |
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35 //could be as a const static table part of the class |
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36 class IFactoryNotify |
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37 /** |
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38 @internalComponent |
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39 */ |
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40 { |
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41 public: |
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42 TBool operator==(const IFactoryNotify& aRhs) const |
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43 { |
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44 return (iThis == aRhs.iThis && iInterfaceVTable == aRhs.iInterfaceVTable); |
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45 } |
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46 |
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47 IFactoryNotify( TAny* aThis, TAnyFn const& aInterfaceVTable ) : |
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48 iThis( aThis ), |
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49 iInterfaceVTable( &aInterfaceVTable ) |
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50 { |
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51 } |
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52 |
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53 void InterfaceStateChange(TDesC8& aInfo) |
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54 { |
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55 if ( Check(1) ) |
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56 { |
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57 ((TInterfaceStateChangeFn)(iInterfaceVTable[1]))(iThis,aInfo); |
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58 } |
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59 } |
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60 void NotifyDeletion(AFactoryObject& aObject, CFactoryBase& aFactory) |
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61 { |
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62 if ( Check(2) ) |
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63 { |
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64 ((TFactoryNotifyFn)(iInterfaceVTable[2]))(iThis, aObject, aFactory); |
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65 } |
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66 } |
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67 TInt NotifyCreation(AFactoryObject& aObject, CFactoryBase& aFactory) |
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68 { |
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69 return ( Check(3) ) ? |
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70 ((TFactoryNotifyFn)(iInterfaceVTable[3]))(iThis, aObject, aFactory) : |
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71 KErrNone; |
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72 } |
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73 |
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74 protected: |
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75 TBool Check( TInt nFn ) |
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76 { |
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77 return (TInt)iInterfaceVTable[0] >= nFn && iInterfaceVTable[nFn]; |
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78 } |
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79 |
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80 protected: |
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81 TAny* iThis; |
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82 TAnyFn const* iInterfaceVTable; |
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83 }; |
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84 |
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85 template <class TCLIENT> |
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86 class TFactoryNotify |
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87 /** |
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88 @internalComponent |
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89 */ |
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90 { |
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91 public: |
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92 static void Notification(TAny* aThis, TDesC8& aInfo); |
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93 static void NotifyDeletion(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory); |
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94 static TInt NotifyCreation(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory); |
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95 |
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96 }; |
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97 |
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98 template <class TCLIENT> |
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99 void TFactoryNotify<TCLIENT>::Notification(TAny* aThis, TDesC8& aInfo) |
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100 { |
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101 TCLIENT* me = (TCLIENT*)aThis; |
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102 me->InterfaceStateChangeNotification(aInfo); |
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103 } |
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104 |
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105 template <class TCLIENT> |
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106 void TFactoryNotify<TCLIENT>::NotifyDeletion(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory) |
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107 { |
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108 TCLIENT* me = (TCLIENT*)aThis; |
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109 me->NotifyDeletion(aObject, aFactory); |
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110 } |
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111 |
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112 template <class TCLIENT> |
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113 TInt TFactoryNotify<TCLIENT>::NotifyCreation(TAny* aThis, AFactoryObject& aObject, CFactoryBase& aFactory) |
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114 { |
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115 TCLIENT* me = (TCLIENT*)aThis; |
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116 return me->NotifyCreation(aObject, aFactory); |
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117 } |
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118 |
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119 } //namespace Factories |
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120 |
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121 #endif // SYMBIAN_FACTORYNOTIFY_H |
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122 |