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1 /* |
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2 * Copyright (c) 2004 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: Connection mode notifier implementation. |
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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 <mimpsconnuiconnectionmodeobserverng.h> |
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21 #include "CIMPSConnUiConnectionModeNotifierImp.h" |
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22 #include "CnUiPanics.h" |
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23 |
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24 // ================= MEMBER FUNCTIONS ======================= |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // CIMPSConnUiConnectionModeNotifierImp::NewL() |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 CIMPSConnUiConnectionModeNotifierImp* CIMPSConnUiConnectionModeNotifierImp::NewL( |
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31 CIMPSConnUiConnectionModeNotifier& aInterface, |
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32 TIMPSConnectionClient aClient ) |
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33 { |
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34 CIMPSConnUiConnectionModeNotifierImp* self = |
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35 new ( ELeave ) CIMPSConnUiConnectionModeNotifierImp( aInterface, |
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36 aClient ); |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); //self |
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40 return self; |
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41 } |
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42 |
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43 |
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44 // Destructor |
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45 CIMPSConnUiConnectionModeNotifierImp::~CIMPSConnUiConnectionModeNotifierImp() |
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46 { |
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47 Dying(); |
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48 delete iConnModeHandler; |
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49 iObserverArray.Close(); |
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50 } |
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51 |
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52 |
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53 // C++ default constructor can NOT contain any code, that |
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54 // might leave. |
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55 // |
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56 CIMPSConnUiConnectionModeNotifierImp::CIMPSConnUiConnectionModeNotifierImp( |
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57 CIMPSConnUiConnectionModeNotifier& aInterface, |
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58 TIMPSConnectionClient aClient ) |
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59 : iInterface( aInterface ), |
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60 iClient( aClient ), |
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61 iStarted( EFalse ), |
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62 iDying( EFalse ) |
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63 { |
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64 } |
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65 |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CIMPSConnUiConnectionModeNotifierImp::ConstructL() |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 void CIMPSConnUiConnectionModeNotifierImp::ConstructL() |
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72 { |
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73 iConnModeHandler = CreateConnModeHandlerL(); |
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74 } |
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75 |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CIMPSConnUiConnectionModeNotifierImp::StartL() |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CIMPSConnUiConnectionModeNotifierImp::StartL() |
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82 { |
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83 //make here sanity checks to encapsulate |
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84 //notifier behaviour |
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85 if ( iDying ) |
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86 { |
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87 //if dying, the notifier restart is silently ignored |
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88 //notifier is evidently going down anyway |
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89 return; |
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90 } |
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91 |
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92 if ( iStarted ) |
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93 { |
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94 User::Leave( KErrInUse ); |
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95 } |
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96 |
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97 if ( iObserverArray.Count() == 0 ) |
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98 { |
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99 User::Leave( KErrNotReady ); |
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100 } |
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101 |
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102 TRAPD( err, DoStartL() ); |
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103 if ( err != KErrNone ) |
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104 { |
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105 DoStop(); |
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106 User::Leave( err ); |
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107 } |
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108 |
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109 iStarted = ETrue; |
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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 // CIMPSConnUiConnectionModeNotifierImp::Stop() |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 void CIMPSConnUiConnectionModeNotifierImp::Stop() |
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118 { |
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119 //notify observers from cancel |
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120 StopAndNotifyObserversFromError( KErrCancel ); |
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121 } |
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122 |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CIMPSConnUiConnectionModeNotifierImp::AddObserverL() |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CIMPSConnUiConnectionModeNotifierImp::AddObserverL( |
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129 MIMPSConnUiConnectionModeObserver* aObserver ) |
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130 { |
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131 __ASSERT_ALWAYS( aObserver, |
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132 CnUiPanicOrLeaveL( EIMPSConn_NULLPtr, |
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133 KErrArgument ) ); |
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134 |
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135 iObserverArray.AddObserverL( aObserver ); |
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136 } |
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137 |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // CIMPSConnUiConnectionModeNotifierImp::RemoveObserver() |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 TInt CIMPSConnUiConnectionModeNotifierImp::RemoveObserver( |
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144 MIMPSConnUiConnectionModeObserver* aObserver ) |
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145 { |
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146 return iObserverArray.RemoveObserver( aObserver ); |
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147 } |
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148 |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CIMPSConnUiConnectionModeNotifierImp::ConnectionModeByCategoryL() |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 TIMPSConnectionModeEvent CIMPSConnUiConnectionModeNotifierImp::ConnectionModeByCategoryL( |
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155 TIMPSConnectionModeEvent aModeEventCateqory ) |
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156 { |
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157 return iConnModeHandler->ConnectionModeL( iClient, aModeEventCateqory ); |
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158 } |
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159 |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // CIMPSConnUiConnectionModeNotifierImp::StopAndNotifyObserversFromError() |
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163 // from MCnUiConnModeObserver |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 void CIMPSConnUiConnectionModeNotifierImp::HandleConnModeChange( |
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167 TIMPSConnectionClient /*aRequestedClient*/, |
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168 TIMPSConnectionModeEvent aConnMode ) |
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169 { |
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170 NotifyObserversFromEvent( aConnMode ); |
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171 } |
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172 |
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173 |
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174 // ----------------------------------------------------------------------------- |
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175 // CIMPSConnUiConnectionModeNotifierImp::DoStartL() |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 void CIMPSConnUiConnectionModeNotifierImp::DoStartL() |
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179 { |
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180 iConnModeHandler->NotifyConnectionModeChangesL( this, iClient ); |
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181 } |
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182 |
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183 |
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184 // ----------------------------------------------------------------------------- |
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185 // CIMPSConnUiConnectionModeNotifierImp::DoStop() |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 void CIMPSConnUiConnectionModeNotifierImp::DoStop() |
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189 { |
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190 iConnModeHandler->CancelConnectionModeNotify(); |
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191 } |
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192 |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CIMPSConnUiConnectionModeNotifierImp::Dying() |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 void CIMPSConnUiConnectionModeNotifierImp::Dying() |
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199 { |
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200 iDying = ETrue; |
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201 if ( iStarted ) |
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202 { |
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203 iStarted = EFalse; |
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204 DoStop(); |
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205 } |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CIMPSConnUiConnectionModeNotifierImp::NotifyObserversFromEvent() |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 void CIMPSConnUiConnectionModeNotifierImp::NotifyObserversFromEvent( |
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213 TIMPSConnectionModeEvent aEvent ) |
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214 { |
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215 //if not running, don't notify the clients |
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216 if ( !iStarted ) |
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217 { |
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218 return; |
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219 } |
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220 |
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221 iObserverArray.NotifyObservers( *this, aEvent ); |
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222 } |
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223 |
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224 |
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225 |
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226 // ----------------------------------------------------------------------------- |
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227 // CIMPSConnUiConnectionModeNotifierImp::StopAndNotifyObserversFromError() |
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228 // ----------------------------------------------------------------------------- |
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229 // |
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230 void CIMPSConnUiConnectionModeNotifierImp::StopAndNotifyObserversFromError( TInt aError ) |
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231 { |
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232 //if not running, don't notify the clients |
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233 if ( !iStarted ) |
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234 { |
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235 return; |
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236 } |
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237 |
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238 //Error propagating from the underlying implementation |
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239 //causes the notifier to stop. However, flag & actual |
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240 //stopping must be done before notifying the clients |
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241 //since some client may wan't to restart this notifier |
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242 //in the notification callback... |
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243 |
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244 //Also the state must be set to "not started" before |
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245 //actual stopping since the stopping of some event |
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246 //sources cause further KErrCancel events |
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247 //(==>those will be filtered on !started check on above.) |
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248 iStarted = EFalse; |
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249 DoStop(); |
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250 |
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251 //do the notify |
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252 iObserverArray.NotifyObserversFromError( *this, aError ); |
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253 } |
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254 |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // CIMPSConnUiConnectionModeNotifierImp::MediateNotifyL() |
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258 // From MGenObserverNotifyMediator |
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259 // Forwards handling to pre-registered mediator function. |
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260 // ----------------------------------------------------------------------------- |
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261 // |
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262 void CIMPSConnUiConnectionModeNotifierImp::MediateNotifyL( |
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263 MIMPSConnUiConnectionModeObserver& aObserverToNotify, |
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264 TIMPSConnectionModeEvent& aNotifyData ) |
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265 { |
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266 aObserverToNotify.HandleConnectionModeEventL( &iInterface, aNotifyData ); |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CIMPSConnUiConnectionModeNotifierImp::MediateNotifyError() |
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271 // From MGenObserverNotifyMediator |
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272 // Forwards any error propagated from MediateNotifyL() to |
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273 // observer handle error. |
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274 // ----------------------------------------------------------------------------- |
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275 // |
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276 void CIMPSConnUiConnectionModeNotifierImp::MediateNotifyError( |
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277 MIMPSConnUiConnectionModeObserver& aObserverToNotify, |
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278 TInt aLeaveError ) |
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279 { |
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280 aObserverToNotify.HandleConnectionModeEventNotifyError( &iInterface, aLeaveError ); |
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281 } |
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282 |
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283 |
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284 // ----------------------------------------------------------------------------- |
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285 // CIMPSConnUiConnectionModeNotifierImp::MediateError() |
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286 // From MGenObserverNotifyMediator |
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287 // ----------------------------------------------------------------------------- |
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288 // |
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289 void CIMPSConnUiConnectionModeNotifierImp::MediateError( |
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290 MIMPSConnUiConnectionModeObserver& aObserverToNotify, |
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291 TInt aError ) |
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292 { |
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293 aObserverToNotify.HandleConnectionModeEventNotifyError( &iInterface, aError ); |
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294 } |
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295 |
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296 |
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297 // End of File |
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298 |