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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: Class responsible for application exit. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef C_VTUIAPPSHUTTER_H |
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20 #define C_VTUIAPPSHUTTER_H |
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21 |
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22 #include <babitflags.h> |
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23 |
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24 #include <mphcltemergencycallobserver.h> |
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25 #include <cphcltemergencycall.h> |
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26 #include <rphcltserver.h> |
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27 |
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28 class CAsyncCallBack; |
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29 class MVtUiShutterObserver; |
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30 class MVtUiStateContext; |
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31 |
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32 /** |
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33 * Shutdown service for the application. This is singleton |
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34 * which deletes itself when shutdown is complete. |
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35 * |
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36 * @since S60 v3.2 |
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37 */ |
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38 class CVtUiAppShutter : public CBase |
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39 { |
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40 public: |
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41 |
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42 /** |
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43 * Returns the instance of application shutter. |
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44 * |
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45 * @param aComms for sending call ending related commands to Phone. |
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46 * @param aObserver observer informed when shutdown is completed. |
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47 * @return the application shutter |
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48 */ |
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49 static CVtUiAppShutter* InstanceL( |
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50 MVtUiShutterObserver& aObserver ); |
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51 |
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52 /** |
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53 * Starts shutdown. |
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54 */ |
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55 void StartShutdown(); |
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56 |
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57 /** |
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58 * Starts shutdown because emergency call was requested by the user. |
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59 * If supplied number is detected other than emergency number this method |
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60 * leaves KErrArgument. |
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61 * @param aStateContext for accessing emergency number and local |
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62 * variation. |
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63 */ |
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64 void ShutdownWithEmergencyCallL( MVtUiStateContext& aStateContext ); |
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65 |
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66 /** |
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67 * Callback from emergency caller. |
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68 */ |
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69 void EmergencyCallDoneL(); |
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70 |
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71 private: |
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72 |
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73 /** |
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74 * Exits the application if no pending shutdown preparation |
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75 * is ongoing. Deletes itself as last action. |
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76 */ |
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77 void ShutdownIfReadyAndDestroy(); |
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78 |
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79 |
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80 /** |
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81 * Enques async callback. |
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82 */ |
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83 void EnqueCallbackL( TCallBack& aCallback ); |
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84 |
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85 /** |
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86 * Asynch callback handling response to emergency call creation. |
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87 */ |
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88 static TInt EmergencyResponseCallback( TAny* aAny ); |
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89 |
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90 /** C++ constructor */ |
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91 CVtUiAppShutter( MVtUiShutterObserver& aObserver ); |
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92 |
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93 /** destructor */ |
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94 ~CVtUiAppShutter(); |
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95 |
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96 private: // for making shutdown with emergency call |
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97 class CEmergencyCaller : public CBase, private MPhCltEmergencyCallObserver |
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98 { |
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99 public: |
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100 /** |
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101 * Dials emergency call. Object destroys itself when |
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102 * response is received. |
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103 */ |
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104 static CEmergencyCaller* DialEmergencyL( |
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105 CVtUiAppShutter& aObserver, |
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106 MVtUiStateContext& aStateContext ); |
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107 |
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108 // Destructor |
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109 ~CEmergencyCaller(); |
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110 |
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111 private: // C++ constructor |
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112 |
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113 CEmergencyCaller( |
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114 CVtUiAppShutter& aObserver, |
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115 MVtUiStateContext& aStateContext ); |
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116 |
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117 /** |
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118 * 2nd phase constructor |
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119 */ |
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120 void ConstructL(); |
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121 |
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122 private: // from MPhCltEmergencyCallObserver |
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123 /** |
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124 * @see MPhCltEmergencyCallObserver::HandleEmergencyDialL |
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125 */ |
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126 virtual void HandleEmergencyDialL( const TInt aStatus ); |
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127 |
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128 private: // Data |
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129 |
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130 // Emergency number |
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131 TPhCltTelephoneNumber iNumber; |
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132 |
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133 // Phone Server session |
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134 RPhCltServer iServer; |
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135 |
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136 // Emergency call handler |
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137 CPhCltEmergencyCall* iEmergency; |
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138 |
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139 // Observer for callback |
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140 CVtUiAppShutter& iObserver; |
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141 |
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142 // State context for gettin entered numbers and local variation |
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143 MVtUiStateContext& iStateContext; |
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144 }; |
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145 private: // Data |
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146 |
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147 /** |
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148 * Guard flags for completing shutdown. |
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149 * All must be cleared before shutdown |
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150 * can be completed. |
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151 */ |
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152 enum TShutterFlags |
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153 { |
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154 /** Waiting for call on StartShutdown() */ |
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155 EShutterWaitingStart, |
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156 /** Waiting for callback on emegency call request */ |
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157 EShutterWaitingEmergencyCallback, |
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158 }; |
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159 |
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160 // Asynch callback |
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161 CAsyncCallBack* iCallback; |
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162 |
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163 // guard flags |
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164 TBitFlags8 iPendingStateFlags; |
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165 |
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166 // Observer to notify when application exit |
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167 // is allowed. |
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168 MVtUiShutterObserver& iObserver; |
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169 |
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170 // Handles emergency call dialling |
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171 CEmergencyCaller* iEmergencyCaller; |
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172 |
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173 }; |
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174 |
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175 #endif // C_VTUIAPPSHUTTER_H |