1 /* |
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2 * Copyright (c) 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 is the implementation for the Diagnostics Network |
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15 * registration status watcher. |
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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 // CLASS DECLARATION |
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21 #include <DiagNetworkRegStatusWatcher.h> |
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22 |
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23 // SYSTM INCLUDE FILES |
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24 #include <e32base.h> |
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25 #include <DiagFrameworkDebug.h> // Debugging macros |
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26 #include <DiagNetworkRegStatusObserver.h> // MDiagNetworkRegStatusObserver |
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27 |
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28 |
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29 // ============================ MEMBER FUNCTIONS ============================= |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // Static two-phase constructor. |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 EXPORT_C CDiagNetworkRegStatusWatcher* CDiagNetworkRegStatusWatcher::NewL( |
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36 MDiagNetworkRegStatusObserver& aCallBack ) |
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37 { |
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38 CDiagNetworkRegStatusWatcher* self = new ( ELeave ) |
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39 CDiagNetworkRegStatusWatcher( aCallBack ); |
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40 CleanupStack::PushL( self ); |
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41 self->ConstructL(); |
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42 CleanupStack::Pop( self ); |
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43 return self; |
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44 } |
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45 |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // Destructor. |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 EXPORT_C CDiagNetworkRegStatusWatcher::~CDiagNetworkRegStatusWatcher() |
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52 { |
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53 // cancel any pending request |
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54 Cancel(); |
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55 |
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56 delete iTelephony; |
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57 iTelephony = NULL; |
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58 |
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59 LOGSTRING( "CDiagNetworkRegStatusWatcher::ConstructL() Destroying Network registration status watcher" ) |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // The default constructor. |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 CDiagNetworkRegStatusWatcher::CDiagNetworkRegStatusWatcher |
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67 ( MDiagNetworkRegStatusObserver& aCallBack ) |
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68 : CActive( EPriorityStandard ), |
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69 iState( EStateInit ), |
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70 iRegV1(), |
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71 iRegV1Pckg( iRegV1 ), |
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72 iCallBack( aCallBack ) |
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73 { |
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74 CActiveScheduler::Add( this ); |
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75 } |
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76 |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // The second phase constructor. |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 |
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83 void CDiagNetworkRegStatusWatcher::ConstructL() |
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84 { |
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85 LOGSTRING( "CDiagNetworkRegStatusWatcher::ConstructL() Creating Network registration status watcher" ) |
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86 iTelephony = CTelephony::NewL(); |
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87 iPreviouslyRegistered = EFalse; |
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88 } |
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89 |
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90 |
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91 // --------------------------------------------------------------------------- |
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92 // This function starts the network registration status monitor process. This |
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93 // involves first checking for the current status and then registering for any |
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94 // changes that may occur. |
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95 // --------------------------------------------------------------------------- |
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96 // |
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97 |
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98 EXPORT_C void CDiagNetworkRegStatusWatcher::StartObserver() |
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99 { |
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100 // get the current status of network registration |
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101 iState = EStateWaitForInitialStatus; |
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102 iTelephony->GetNetworkRegistrationStatus( iStatus, iRegV1Pckg ); |
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103 SetActive(); |
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104 } |
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105 |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // This function stops the network registration monitor process |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C void CDiagNetworkRegStatusWatcher::StopObserver() |
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112 { |
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113 Cancel(); |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Handles the completion of active requests. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void CDiagNetworkRegStatusWatcher::RunL() |
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121 { |
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122 switch ( iState ) |
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123 { |
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124 case EStateWaitForInitialStatus: |
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125 { |
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126 HandleInitialStatusL(); |
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127 } |
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128 break; |
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129 |
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130 case EStateWaitForStatusChange: |
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131 { |
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132 HandleNetworkStatusChangeL(); |
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133 } |
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134 break; |
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135 |
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136 default: |
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137 break; |
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138 } |
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139 } |
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140 |
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141 |
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142 |
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143 // --------------------------------------------------------------------------- |
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144 // Handles the request for initial network registration status |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 void CDiagNetworkRegStatusWatcher::HandleInitialStatusL() |
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148 { |
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149 if ( iStatus == KErrNone ) |
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150 { |
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151 // get the current registration status |
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152 TBool currentRegStatus = IsDeviceRegisteredOnNetwork(); |
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153 |
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154 LOGSTRING2( "CDiagNetworkRegStatusWatcher::HandleInitialStatus : current status = %d", currentRegStatus ) |
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155 |
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156 // we have to continue monitoring changes in network registration status |
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157 // so set the next asynchronous request |
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158 iState = EStateWaitForStatusChange; |
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159 iTelephony->NotifyChange( iStatus, |
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160 CTelephony::ENetworkRegistrationStatusChange, iRegV1Pckg ); |
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161 SetActive(); |
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162 |
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163 // inform the client about the initial registration status |
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164 iPreviouslyRegistered = currentRegStatus; |
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165 iCallBack.InitialNetworkRegistrationStatusL( currentRegStatus ); |
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166 } |
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167 else |
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168 { |
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169 // inform the client that device is not registered |
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170 iCallBack.InitialNetworkRegistrationStatusL( EFalse ); |
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171 iPreviouslyRegistered = EFalse; |
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172 } |
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173 } |
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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 // Handles the events related to Network registration status change |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 void CDiagNetworkRegStatusWatcher::HandleNetworkStatusChangeL() |
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182 { |
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183 if ( iStatus == KErrNone ) |
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184 { |
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185 // get the current registration status |
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186 TBool currentRegStatus = IsDeviceRegisteredOnNetwork(); |
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187 |
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188 LOGSTRING2( "CDiagNetworkRegStatusWatcher::HandleNetworkStatusChange : current status = %d", currentRegStatus ) |
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189 |
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190 // we have to continue monitoring changes in network registration status |
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191 // so set the next asynchronous request |
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192 iState = EStateWaitForStatusChange; |
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193 iTelephony->NotifyChange( iStatus, |
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194 CTelephony::ENetworkRegistrationStatusChange, iRegV1Pckg ); |
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195 SetActive(); |
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196 |
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197 // if the current registration state is different from previous state, |
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198 // inform the client |
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199 if ( currentRegStatus != iPreviouslyRegistered ) |
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200 { |
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201 // inform the client about the network status change |
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202 iCallBack.NetworkRegistrationStatusChangeL( currentRegStatus ); |
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203 } |
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204 iPreviouslyRegistered = currentRegStatus; |
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205 } |
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206 else |
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207 { |
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208 iCallBack.NetworkRegistrationStatusChangeL( EFalse ); |
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209 iPreviouslyRegistered = EFalse; |
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210 } |
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211 } |
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212 |
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213 |
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214 |
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215 // --------------------------------------------------------------------------- |
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216 // This function wraps the logic if the device is currently registered or not |
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217 // --------------------------------------------------------------------------- |
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218 // |
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219 TBool CDiagNetworkRegStatusWatcher::IsDeviceRegisteredOnNetwork() |
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220 { |
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221 TBool regStatus = EFalse; |
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222 switch ( iRegV1.iRegStatus ) |
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223 { |
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224 case CTelephony::ERegisteredOnHomeNetwork: |
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225 case CTelephony::ERegisteredRoaming: |
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226 { |
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227 regStatus = ETrue; |
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228 } |
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229 break; |
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230 default: |
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231 { |
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232 // the device lost the network coverage |
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233 regStatus = EFalse; |
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234 } |
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235 break; |
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236 } |
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237 return regStatus; |
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238 } |
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239 |
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240 // --------------------------------------------------------------------------- |
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241 // Handles the cancellation of active requests. |
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242 // --------------------------------------------------------------------------- |
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243 // |
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244 void CDiagNetworkRegStatusWatcher::DoCancel() |
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245 { |
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246 switch ( iState ) |
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247 { |
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248 case EStateWaitForInitialStatus: |
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249 { |
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250 iTelephony->CancelAsync( CTelephony::EGetNetworkRegistrationStatusCancel ); |
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251 } |
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252 break; |
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253 |
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254 case EStateWaitForStatusChange: |
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255 { |
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256 iTelephony->CancelAsync( CTelephony::ENetworkRegistrationStatusChangeCancel ); |
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257 } |
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258 break; |
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259 |
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260 default: |
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261 break; |
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262 } |
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263 } |
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264 |
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265 // End of file |
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266 |
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