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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: Receives the Last Known Position, Last Known Position Area requests and Empty |
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15 * Position Store requests from Subsessions and Sessions in the Location Server and |
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16 * forwards them to the respective active objects* |
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17 */ |
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18 |
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19 #include <e32base.h> |
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20 #include <e32def.h> |
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21 #include "EPos_CPosLocMonitorReqHandlerHub.h" |
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22 #include <lbs/epos_lastknownlocationpskeys.h> |
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23 |
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24 |
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25 // ============================ CONSTANTS =========================================================== |
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26 |
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27 // CONSTANTS |
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28 #ifdef _DEBUG |
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29 _LIT(KTraceFileName, "EPos_CPosLocMonitorReqHandlerHub.cpp"); |
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30 #endif |
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31 |
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32 |
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33 // ============================== MEMBER FUNCTIONS =================================================== |
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34 /** |
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35 * NewL of the Two-phased constructor. |
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36 * |
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37 */ |
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38 CPosLocMonitorReqHandlerHub* CPosLocMonitorReqHandlerHub::NewL() |
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39 { |
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40 |
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41 CPosLocMonitorReqHandlerHub* self = new( ELeave ) CPosLocMonitorReqHandlerHub(); |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL(); |
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44 CleanupStack::Pop( self ); |
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45 return self; |
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46 } |
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47 |
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48 /** |
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49 * C++ default constructor |
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50 * |
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51 * @param aDumpInterval |
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52 */ |
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53 CPosLocMonitorReqHandlerHub::CPosLocMonitorReqHandlerHub() |
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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 /** |
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59 * Symbian 2nd phase constructor |
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60 */ |
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61 void CPosLocMonitorReqHandlerHub::ConstructL() |
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62 { |
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63 |
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64 // Establish a session with the Location Monitor - The subsessions are |
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65 // established in the "active objects" owned by the CPosLocMonitorReqHandlerHub |
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66 User::LeaveIfError(iLocMonSession.Connect()); |
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67 |
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68 // Establish the subsession with the location monitor - As SetPositionInfoL() |
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69 // is likely to be called whenever we have an update from the PSYs, the subsession |
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70 // with the location monitor is created as a member variable instead of a local variable. |
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71 iLocMonSubSession.OpenL(iLocMonSession); |
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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 * Destructor |
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77 */ |
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78 CPosLocMonitorReqHandlerHub::~CPosLocMonitorReqHandlerHub() |
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79 { |
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80 |
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81 delete iLastKnownPosHandler; |
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82 delete iLastKnownPosAreaHandler; |
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83 delete iEmptyLastKnownPosStoreHandler; |
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84 |
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85 // Close the session with the Location Monitor |
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86 if ( iLocMonSubSession.SubSessionHandle() ) |
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87 { |
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88 iLocMonSubSession.Close(); |
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89 } |
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90 |
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91 // Close the session with the Location Monitor |
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92 if ( iLocMonSession.Handle() ) |
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93 { |
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94 iLocMonSession.Close(); |
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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 * Set Position Information (SetPositionInfo) |
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101 * >> Whenever there is a position update from any of the PSYs update the |
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102 * location monitor of this latest position. |
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103 * |
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104 * @param aPositionInfo The last known position. |
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105 */ |
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106 void CPosLocMonitorReqHandlerHub::SetPositionInfo( const TPositionInfo& aPositionInfo ) |
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107 { |
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108 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::SetPositionInfoL", __LINE__) |
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109 |
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110 TInt errSetPos = iLocMonSubSession.SetLastKnownPosition(aPositionInfo); |
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111 } |
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112 |
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113 /** |
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114 * Get Last Known Position Request |
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115 * >> Called by the subsession to request the last known position. |
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116 * |
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117 * @param aMessage The message containing info about the request from subsession |
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118 */ |
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119 void CPosLocMonitorReqHandlerHub::GetLastKnownPosReqL(const RMessage2& aMessage) |
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120 { |
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121 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::GetLastKnownPosReqL", __LINE__) |
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122 |
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123 if (!iLastKnownPosHandler) |
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124 { |
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125 // The very first request with the location monitor |
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126 iLastKnownPosHandler = CPosLastKnownPosHandler::NewL(); |
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127 } |
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128 |
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129 // The timeout value for this request is hardcoded in the constant |
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130 // KLastKnownPosTimeOut [in CPosLastKnownPosHandler] |
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131 iLastKnownPosHandler->GetLastKnownPosL(iLocMonSession, aMessage); |
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132 } |
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133 |
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134 |
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135 /** Cancel Get Last Known Position Request |
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136 * >> Called by the subsession to cancel a last knwon position request |
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137 * @param aMessage The message containing info about the request from subsession |
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138 */ |
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139 void CPosLocMonitorReqHandlerHub::CancelGetLastKnownPosReqL(const RMessage2& aMessage) |
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140 { |
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141 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::CancelGetLastKnownPosReqL", __LINE__) |
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142 |
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143 if (!iLastKnownPosHandler) |
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144 { |
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145 // The client never sent any get last known position request earlier |
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146 if (!aMessage.IsNull()) |
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147 { |
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148 aMessage.Complete(KErrNotFound); |
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149 } |
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150 } |
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151 else |
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152 { |
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153 iLastKnownPosHandler->CancelGetLastKnownPosL(aMessage); |
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154 } |
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155 } |
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156 |
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157 |
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158 /** |
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159 * Get Last Known Position Area Request |
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160 * >> Called by the subsession to request the last known position area. |
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161 * |
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162 * @param aMessage The message containing info about the request from subsession |
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163 */ |
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164 void CPosLocMonitorReqHandlerHub::GetLastKnownPosAreaReqL(const RMessage2& aMessage) |
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165 { |
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166 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::GetLastKnownPosAreaReqL", __LINE__) |
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167 |
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168 if (!iLastKnownPosAreaHandler) |
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169 { |
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170 // The very first request with the location monitor |
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171 iLastKnownPosAreaHandler = CPosLastKnownPosAreaHandler::NewL(); |
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172 } |
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173 iLastKnownPosAreaHandler->GetLastKnownPosAreaL(iLocMonSession, aMessage); |
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174 |
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175 } |
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176 |
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177 |
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178 /** Cancel Get Last Known Position Area Request |
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179 * >> Called by the subsession to cancel a LKPosArea request |
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180 * @param aMessage The message containing info about the request from subsession |
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181 */ |
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182 void CPosLocMonitorReqHandlerHub::CancelGetLastKnownPosAreaReqL(const RMessage2& aMessage) |
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183 { |
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184 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::CancelGetLastKnownPosAreaReqL", __LINE__) |
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185 |
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186 if (!iLastKnownPosAreaHandler) |
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187 { |
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188 // The client never sent any get last known position area request earlier |
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189 if (!aMessage.IsNull()) |
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190 { |
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191 aMessage.Complete(KErrNotFound); |
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192 } |
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193 } |
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194 else |
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195 { |
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196 iLastKnownPosAreaHandler->CancelGetLastKnownPosAreaL(aMessage); |
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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 * Empty Last Known Position Store Request (EmptyPositionStoreReq) |
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202 * >> Called by the subsession to Empty the last known position store |
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203 * |
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204 * @param aMessage The message containing info about the request from subsession |
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205 */ |
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206 void CPosLocMonitorReqHandlerHub::EmptyLastKnownPosStoreReqL(const RMessage2& aMessage) |
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207 { |
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208 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::EmptyLastKnownPosStoreL", __LINE__) |
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209 |
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210 if (!iEmptyLastKnownPosStoreHandler) |
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211 { |
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212 // The very first request with the location monitor |
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213 iEmptyLastKnownPosStoreHandler = CPosEmptyLastKnownPosStoreHandler::NewL(); |
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214 } |
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215 |
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216 iEmptyLastKnownPosStoreHandler->EmptyLastKnownPosStoreL(iLocMonSession, aMessage); |
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217 |
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218 // Cancel outstanding last known position or last known position area requests |
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219 if (iLastKnownPosAreaHandler) |
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220 { |
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221 iLastKnownPosAreaHandler->NotifyOnEmptyLastKnownPosStoreReq(); |
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222 } |
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223 |
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224 if (iLastKnownPosHandler) |
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225 { |
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226 iLastKnownPosHandler->NotifyOnEmptyLastKnownPosStoreReq(); |
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227 } |
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228 |
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229 } |
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230 |
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231 |
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232 /** Cancel Empty Last Known Position Store Request |
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233 * >> Called by the subsession to cancel an earlier EmptyLastKnownPosStoreReq |
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234 * @param aMessage The message containing info about the request from subsession |
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235 */ |
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236 void CPosLocMonitorReqHandlerHub::CancelEmptyLastKnownPosStoreReqL(const RMessage2& aMessage) |
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237 { |
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238 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::CancelGetLastKnownPosAreaReqL", __LINE__) |
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239 |
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240 iEmptyLastKnownPosStoreHandler->CancelEmptyLastKnownPosStoreL(aMessage); |
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241 } |
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242 |
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243 |
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244 /** |
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245 * NotifyServerShutDown |
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246 * >> Notification from the Session that the server is going to shutdown |
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247 * |
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248 */ |
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249 void CPosLocMonitorReqHandlerHub::NotifyServerShutDown() |
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250 { |
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251 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::NotifyServerShutDown", __LINE__) |
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252 |
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253 if (iLastKnownPosAreaHandler) |
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254 { |
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255 iLastKnownPosAreaHandler->NotifyServerShutDown(); |
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256 } |
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257 |
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258 if (iLastKnownPosHandler) |
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259 { |
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260 iLastKnownPosHandler->NotifyServerShutDown(); |
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261 } |
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262 |
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263 if (iEmptyLastKnownPosStoreHandler) |
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264 { |
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265 iEmptyLastKnownPosStoreHandler->NotifyServerShutDown(); |
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266 } |
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267 } |
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268 |
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269 /** |
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270 * NotifySubSessionClosed |
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271 * >> Notification from the Session that the subsessions are to be closed |
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272 * |
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273 */ |
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274 void CPosLocMonitorReqHandlerHub::NotifySubSessionClosed(const RMessage2& aMessage) |
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275 { |
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276 |
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277 if (iLastKnownPosHandler) |
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278 { |
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279 iLastKnownPosHandler->NotifySubSessionClosed(aMessage); |
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280 } |
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281 |
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282 if (iLastKnownPosAreaHandler) |
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283 { |
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284 iLastKnownPosAreaHandler->NotifySubSessionClosed(aMessage); |
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285 } |
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286 // No need to notify the emptylastknownpositionstore request as it is issued on a |
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287 // session and not a subsession |
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288 } |
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289 |
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290 /** |
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291 * NotifySessionClosed |
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292 * >> Notification from the Session that it is going to be closed |
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293 * NOTE : Not guaranteed that the requests would be completed with EPositoinRequestsNotCancelled |
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294 * - This method is used to ensure that the request queue is cleaned up |
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295 * @param aSessionPtr The Session pointer |
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296 */ |
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297 void CPosLocMonitorReqHandlerHub::NotifySessionClosed(const CSession2* aSessionPtr) |
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298 { |
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299 DEBUG_TRACE("CPosLocMonitorReqHandlerHub::NotifySessionClosed", __LINE__) |
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300 |
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301 if (iLastKnownPosAreaHandler) |
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302 { |
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303 iLastKnownPosAreaHandler->NotifySessionClosed(aSessionPtr); |
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304 } |
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305 |
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306 if (iLastKnownPosHandler) |
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307 { |
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308 iLastKnownPosHandler->NotifySessionClosed(aSessionPtr); |
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309 } |
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310 |
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311 if (iEmptyLastKnownPosStoreHandler) |
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312 { |
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313 iEmptyLastKnownPosStoreHandler->NotifySessionClosed(aSessionPtr); |
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314 } |
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315 |
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316 } |
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317 |
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318 |
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319 |