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1 // Copyright (c) 2005-2009 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 |
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18 // INCLUDE FILES |
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19 #include <e32base.h> |
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20 #include "EPos_CPosSubsessionRegistry.h" |
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21 #include "EPos_CPosSubSession.h" |
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22 |
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23 // ================= MEMBER FUNCTIONS ======================= |
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24 |
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25 /** |
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26 * C++ default constructor. |
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27 */ |
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28 CPosSubsessionRegistry::CPosSubsessionRegistry() |
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29 { |
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30 } |
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31 |
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32 /** |
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33 * Symbian constructor |
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34 */ |
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35 void CPosSubsessionRegistry::ConstructL() |
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36 { |
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37 iRegistryIndex = CObjectIx::NewL(); |
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38 iRegistryContainerIndex = CObjectConIx::NewL(); |
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39 iRegistryContainer = iRegistryContainerIndex->CreateL(); |
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40 } |
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41 |
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42 /** |
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43 * Two-phased constructor |
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44 * |
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45 * @return a new instance of this class |
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46 */ |
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47 CPosSubsessionRegistry* CPosSubsessionRegistry::NewL() |
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48 { |
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49 CPosSubsessionRegistry* self = new (ELeave) CPosSubsessionRegistry; |
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50 CleanupStack::PushL(self); |
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51 self->ConstructL(); |
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52 CleanupStack::Pop(self); |
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53 return self; |
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54 } |
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55 |
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56 /** |
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57 * C++ destructor |
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58 */ |
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59 CPosSubsessionRegistry::~CPosSubsessionRegistry() |
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60 { |
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61 delete iRegistryIndex; |
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62 delete iRegistryContainerIndex; |
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63 iRegistryContainer = NULL; // deleted by index |
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64 } |
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65 |
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66 /** |
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67 * Retreives the appropriate subsession. |
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68 * |
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69 * @param aHandle the subsession handle |
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70 * @return a subsession |
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71 */ |
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72 CPosSubSession* CPosSubsessionRegistry::SubSessionFromHandleL(TUint aHandle) |
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73 { |
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74 return static_cast<CPosSubSession*> (iRegistryIndex->At(aHandle)); |
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75 } |
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76 |
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77 /** |
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78 * Retreives the appropriate subsession. |
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79 * |
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80 * @param aIndex the index in the list |
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81 * @return a subsession, NULL if no session at specified index. |
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82 */ |
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83 CPosSubSession* CPosSubsessionRegistry::SubSessionFromIndex(TInt aIndex) |
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84 { |
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85 return static_cast<CPosSubSession*> ((*iRegistryIndex)[aIndex]); |
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86 } |
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87 |
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88 /** |
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89 * Returns the maximum number of reference counting |
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90 * objects that the object index can hold before |
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91 * internal buffers need to be expanded. |
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92 * @return the maximum number of reference counting objects. |
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93 */ |
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94 TInt CPosSubsessionRegistry::Count() |
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95 { |
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96 return iRegistryIndex->Count(); |
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97 } |
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98 |
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99 /** |
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100 * Closes a subsession. |
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101 * |
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102 * @param aHandle a handle to the subsession |
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103 */ |
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104 void CPosSubsessionRegistry::CloseSubSession(TUint aHandle) |
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105 { |
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106 if (iRegistryIndex->At(aHandle)) |
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107 { |
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108 // Remove on a CObjectIx does close on the CObject |
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109 iRegistryIndex->Remove(aHandle); |
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110 } |
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111 } |
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112 |
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113 /** |
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114 * Adds an object instance to the registry and |
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115 * transfers object ownership to the registry. |
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116 * |
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117 * @param aSubSession an object instance |
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118 * @return a registry handle to the object instance. |
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119 */ |
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120 TInt CPosSubsessionRegistry::AddInstanceL(CPosSubSession* aSubSession) |
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121 { |
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122 iRegistryContainer->AddL(aSubSession); |
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123 return iRegistryIndex->AddL(aSubSession); |
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124 } |
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125 |
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126 // End of File |