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1 /* |
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2 * Copyright (c) 2005 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: Base class for session slot, reference counted objects. |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include <E32Std.h> |
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20 #include "CPEngSessionSlotObject.h" |
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21 #include "CPEngSessionSlotObjectCon.h" |
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22 #include "CPEngSessionSlotId.h" |
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23 |
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24 |
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25 //LOCAL constants |
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26 namespace |
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27 { |
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28 _LIT( KPEngSlotObjectPanic, "AttrSlotObj" ); |
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29 enum TPEngSlotObjectPanicReasons |
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30 { |
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31 ESlotObjAccessCountNegative, |
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32 ESlotObjHasAlreadyOwner, |
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33 }; |
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34 |
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35 void PanicSlotObj( TPEngSlotObjectPanicReasons aPanicReason ) |
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36 { |
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37 User::Panic( KPEngSlotObjectPanic, aPanicReason ); |
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38 } |
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39 } |
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40 |
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41 |
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42 |
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43 |
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44 // ============================ MEMBER FUNCTIONS =============================== |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CPEngSessionSlotObject::CPEngSessionSlotObject |
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48 // C++ default constructor can NOT contain any code, that |
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49 // might leave. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CPEngSessionSlotObject::CPEngSessionSlotObject() |
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53 : iAccessCount( 1 ) |
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54 { |
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55 } |
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56 |
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57 |
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58 // Destructor |
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59 CPEngSessionSlotObject::~CPEngSessionSlotObject() |
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60 { |
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61 delete iSlotId; |
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62 |
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63 if ( iContainer ) |
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64 { |
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65 iContainer->Remove( this ); |
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66 } |
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67 |
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68 if ( iOwner ) |
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69 { |
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70 iOwner->Close(); |
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71 } |
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72 } |
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73 |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CPEngSessionSlotObject::Open() |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 void CPEngSessionSlotObject::Open() |
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80 { |
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81 iAccessCount++; |
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82 } |
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83 |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CPEngSessionSlotObject::Close() |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 void CPEngSessionSlotObject::Close() |
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90 { |
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91 __ASSERT_DEBUG( ( iAccessCount >= 1 ), PanicSlotObj( ESlotObjAccessCountNegative ) ); |
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92 |
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93 iAccessCount--; |
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94 |
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95 if ( iAccessCount == 0 ) |
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96 { |
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97 delete this; |
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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 // CPEngSessionSlotObject::ConstructL() |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CPEngSessionSlotObject::ConstructL( const CPEngSessionSlotId& aSlotId ) |
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107 { |
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108 iSlotId = aSlotId.CloneL(); |
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109 } |
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110 |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CPEngSessionSlotObject::SlotId() |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 const CPEngSessionSlotId& CPEngSessionSlotObject::SlotId() const |
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117 { |
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118 return *iSlotId; |
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119 } |
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120 |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CPEngSessionSlotObject::SetOwner() |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 void CPEngSessionSlotObject::SetOwner( CObject& aOwner ) |
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127 { |
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128 __ASSERT_ALWAYS( !iOwner, PanicSlotObj( ESlotObjHasAlreadyOwner ) ); |
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129 |
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130 iOwner = &aOwner; |
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131 TInt val = iOwner->Open(); // CSI: 65 # |
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132 } |
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133 |
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134 |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CPEngSessionSlotObject::RefCount() |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 TInt CPEngSessionSlotObject::RefCount() const |
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141 { |
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142 return iAccessCount; |
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143 } |
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144 |
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145 |
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146 |
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147 |
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148 // End of File |