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1 /* |
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2 * Copyright (c) 2006,2007 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: This class is responsible for loading,upgrading and holding |
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15 * the stratergy ecom plugin |
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16 * |
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17 */ |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <e32base.h> |
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22 #include <ecom.h> |
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23 #include <implementationinformation.h> |
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24 #include <e32property.h> |
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25 #include "lbtstratergycontainer.h" |
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26 #include "lbtstatuspskeys.h" |
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27 #include "lbtstrategybase.h" |
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28 #include "lbttriggeringsupervisionobserver.h" |
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29 #include "lbtlogger.h" |
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30 |
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31 // ======== LOCAL FUNCTIONS ========= |
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32 // static cleanup function |
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33 static void RImpleInfoPtrArrayCleanup( TAny* aArray ) |
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34 { |
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35 static_cast<RImplInfoPtrArray*>( aArray )->ResetAndDestroy(); |
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36 } |
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37 |
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38 // ======== MEMBER FUNCTIONS ======== |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // CLbtStratergyContainer::NewL |
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42 // Symbian Two - phase constructor |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 CLbtStratergyContainer* CLbtStratergyContainer::NewL() |
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46 { |
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47 FUNC_ENTER("CLbtStratergyContainer::NewL"); |
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48 CLbtStratergyContainer* self = new ( ELeave ) CLbtStratergyContainer; |
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49 CleanupStack::PushL( self ); |
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50 self->ConstructL(); |
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51 CleanupStack::Pop(); |
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52 return self; |
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53 } |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // CLbtStratergyContainer::ConstructL |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 void CLbtStratergyContainer::ConstructL() |
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60 { |
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61 FUNC_ENTER("CLbtStratergyContainer::ConstructL"); |
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62 iEComSession = &(REComSession::OpenL()); |
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63 iStratergy = NULL; |
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64 |
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65 User::LeaveIfError( iProperty.Attach(KPSUidLbtStatusInformation, |
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66 KLbtLocationTriggeringSupervisionStatus, |
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67 EOwnerThread) ); |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // CLbtStratergyContainer::~CLbtStratergyContainer |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 CLbtStratergyContainer::~CLbtStratergyContainer() |
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75 { |
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76 FUNC_ENTER("CLbtStratergyContainer::~CLbtStratergyContainer"); |
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77 delete iStratergy; |
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78 Cancel(); |
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79 if(iEComSession) |
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80 { |
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81 iEComSession->Close(); |
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82 } |
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83 |
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84 // This has to be called to free resources by |
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85 // ECom Framework. Failing this call memory is leaked |
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86 REComSession::FinalClose(); |
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87 iProperty.Close(); |
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88 } |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CLbtStratergyContainer::CLbtStratergyContainer |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 CLbtStratergyContainer::CLbtStratergyContainer() |
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95 : CActive(EPriorityStandard) |
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96 { |
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97 FUNC_ENTER("CLbtStratergyContainer::CLbtStratergyContainer"); |
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98 CActiveScheduler::Add(this); |
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99 } |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // CLbtStratergyContainer::LoadStratergyL |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 void CLbtStratergyContainer::LoadStratergyL(MLbtTriggeringSupervisionObserver* aPtr) |
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106 { |
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107 FUNC_ENTER("CLbtStratergyContainer::LoadStratergyL"); |
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108 RImplInfoPtrArray implArray; |
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109 REComSession::ListImplementationsL(KLocAcquisitionStrategyInterfaceUid, implArray); |
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110 if(implArray.Count() != 1) |
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111 { |
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112 implArray.ResetAndDestroy(); |
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113 // Leave if there are more than one or no |
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114 // implementation of stratergy |
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115 User::Leave(KErrNotFound); |
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116 } |
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117 TCleanupItem arrayCleanup( RImpleInfoPtrArrayCleanup, &implArray ); |
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118 CleanupStack::PushL(arrayCleanup); |
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119 CImplementationInformation* info = implArray[0]; |
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120 iStratergy = CLbtStrategyBase::NewL(aPtr); |
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121 iVersion = info->Version(); |
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122 CleanupStack::PopAndDestroy(); // implArray |
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123 |
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124 iProperty.Set(KPSUidLbtStatusInformation, |
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125 KLbtLocationTriggeringSupervisionStatus, |
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126 ELbtLocationTriggeringSupervisionSuccessful); |
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127 |
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128 // request ecom framework for ecom change notification |
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129 iEComSession->NotifyOnChange(iStatus); |
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130 SetActive(); |
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131 } |
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132 |
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133 // --------------------------------------------------------------------------- |
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134 // CLbtStratergyContainer::Stratergy |
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135 // --------------------------------------------------------------------------- |
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136 // |
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137 CLbtStrategyBase* CLbtStratergyContainer::Stratergy() |
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138 { |
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139 FUNC_ENTER("CLbtStratergyContainer::Stratergy"); |
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140 return iStratergy; |
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141 } |
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142 |
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143 // --------------------------------------------------------------------------- |
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144 // CLbtStratergyContainer::RunL |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 void CLbtStratergyContainer::RunL() |
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148 { |
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149 FUNC_ENTER("CLbtStratergyContainer::RunL"); |
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150 // request ecom framework for notification |
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151 iEComSession->NotifyOnChange(iStatus); |
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152 SetActive(); |
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153 |
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154 RImplInfoPtrArray implArray; |
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155 REComSession::ListImplementationsL(KLocAcquisitionStrategyInterfaceUid, implArray); |
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156 CleanupClosePushL(implArray); |
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157 |
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158 CImplementationInformation* info = implArray[0]; |
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159 |
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160 // If stratergy is already loaded, and if its |
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161 // dll has changed then reload it |
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162 if(info->Version() != iVersion && iStratergy ) |
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163 { |
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164 // this will unload stratergy |
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165 delete iStratergy; |
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166 iStratergy = NULL; |
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167 // Load the dll again |
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168 iStratergy = CLbtStrategyBase::NewL(this); |
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169 iVersion = info->Version(); |
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170 } |
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171 CleanupStack::PopAndDestroy(); // implArray |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // CLbtStratergyContainer::RunError |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 TInt CLbtStratergyContainer::RunError(TInt /*aError*/) |
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179 { |
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180 FUNC_ENTER("CLbtStratergyContainer::RunError"); |
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181 return KErrNone; |
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182 } |
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183 |
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184 // --------------------------------------------------------------------------- |
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185 // CLbtStratergyContainer::DoCancel |
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186 // --------------------------------------------------------------------------- |
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187 // |
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188 void CLbtStratergyContainer::DoCancel() |
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189 { |
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190 FUNC_ENTER("CLbtStratergyContainer::DoCancel"); |
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191 if(iEComSession) |
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192 { |
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193 // cancel request for ecom notification |
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194 // Note that although this takes a iStatus parameter, this is a |
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195 // synchronous call. |
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196 iEComSession->CancelNotifyOnChange(iStatus); |
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197 } |
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198 } |
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199 |
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200 // --------------------------------------------------------------------------- |
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201 // CLbtStratergyContainer::UnloadStratergy |
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202 // --------------------------------------------------------------------------- |
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203 // |
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204 void CLbtStratergyContainer::UnloadStratergy() |
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205 { |
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206 FUNC_ENTER("CLbtStratergyContainer::UnloadStratergy"); |
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207 // Deleting the interface will unload |
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208 // Stratergy |
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209 delete iStratergy; |
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210 iStratergy = NULL; |
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211 |
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212 iProperty.Set(KPSUidLbtStatusInformation, |
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213 KLbtLocationTriggeringSupervisionStatus, |
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214 ELbtLocationTriggeringSupervisionNotActive); |
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215 |
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216 // Cancel ECom upgrade notification |
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217 Cancel(); |
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218 } |
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219 |
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220 // end of file |