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1 /* |
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2 * Copyright (c) 2007-2008 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: Implementation for the VCC Calling state |
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15 * |
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16 */ |
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17 |
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18 #include "tvccstatecalling.h" |
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19 #include "cvccperformer.h" |
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20 #include "rubydebug.h" |
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21 |
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22 |
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23 // ----------------------------------------------------------------------------- |
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24 // c'tor |
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25 // ----------------------------------------------------------------------------- |
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26 // |
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27 TVccStateCalling::TVccStateCalling() |
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28 { |
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29 RUBY_DEBUG_BLOCK( "TVccStateCalling::TVccStateCalling" ); |
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30 } |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // Name |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 TUint TVccStateCalling::Name() const |
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37 { |
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38 RUBY_DEBUG_BLOCK( "TVccStateCalling::Name" ); |
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39 return KVccStateCalling; |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // LinkState |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 void TVccStateCalling::LinkState(TVccState& aReleasing, |
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47 TVccState& aInit, |
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48 TVccState& aFailing ) |
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49 { |
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50 RUBY_DEBUG_BLOCK( "TVccStateCalling::LinkState" ); |
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51 iReleasing = &aReleasing; |
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52 iInit = &aInit; |
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53 iFailing = &aFailing; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // HangUp |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 TInt TVccStateCalling::HangUp(CVccPerformer& aContext, MCCPCall& aCall) |
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61 { |
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62 RUBY_DEBUG_BLOCK( "TVccStateCalling::HangUp" ); |
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63 |
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64 TInt err = KErrNotFound; |
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65 |
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66 __ASSERT_DEBUG(&aCall == aContext.PrimaryCall(), User::Invariant()); |
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67 |
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68 //must release old leg and put old observer back aCall is the |
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69 // same as returned in the iContext.PrimaryCall() |
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70 aCall.RemoveObserver(aContext); |
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71 |
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72 //add new observer because the original call will be released and events |
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73 //must be suppressed and performer does not have to be on the path for this |
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74 //call anymore. |
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75 TRAP_IGNORE(aCall.AddObserverL(*aContext.CallObserver())); |
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76 |
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77 //now hangup old leg and forget about it - CCE will take of it. |
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78 //The performer will not be aware of the old leg release events. |
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79 err = aCall.HangUp(); |
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80 |
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81 //must release new call leg as well and suppress the events |
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82 //new leg idle event should come in the releasing-state and |
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83 //it will be suppressed. |
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84 __ASSERT_DEBUG(aContext.SecondaryCall() != NULL, User::Invariant()); |
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85 aContext.SecondaryCall()->HangUp(); |
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86 |
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87 //signal the performer for the "idle call", so it can stop the trigger |
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88 //move to the releasing state |
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89 aContext.SetState(*iReleasing); |
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90 |
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91 //stop trigger since call becomes not active |
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92 aContext.ActivateTrigger( EFalse ); |
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93 |
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94 //notify UI about hangup, hangup rejects HO but it is not failure |
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95 //no need to show the "ho failed note" |
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96 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL(EVccCsToPsHoSuccessful, KErrNone) ); |
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97 |
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98 return err; |
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99 |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CallStateChanged |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void TVccStateCalling::CallStateChanged( CVccPerformer& aContext, |
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107 const MCCPCallObserver::TCCPCallState aState, |
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108 MCCPCall* aCall ) |
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109 { |
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110 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallStateChanged" ); |
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111 |
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112 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, User::Invariant()); |
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113 __ASSERT_DEBUG( aContext.PrimaryCall() != NULL, User::Invariant() ); |
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114 |
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115 if ( aState == MCCPCallObserver::ECCPStateConnected && |
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116 aContext.SecondaryCall() == aCall) |
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117 { |
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118 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged - swap the calls" ); |
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119 |
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120 aContext.SetCall(aContext.SecondaryCall()); |
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121 |
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122 if ( aContext.Parameters().CallType() == CCPCall::ECallTypePS ) |
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123 { |
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124 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoInprogress, |
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125 KErrNone ) ); |
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126 |
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127 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged - call are swapped so hang up CS call now" ); |
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128 ReleaseCall( aContext, *aContext.SecondaryCall(), *iInit, KVccHoOk ); |
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129 return; |
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130 } |
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131 else |
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132 { |
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133 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccPsToCsHoInprogress, |
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134 KErrNone ) ); |
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135 } |
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136 //-> Set Next State - if the call is idle just destroy call object and |
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137 //go to init-state |
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138 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, |
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139 User::Invariant()); |
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140 |
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141 if ( aContext.SecondaryCall()->State() == |
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142 MCCPCallObserver::ECCPStateIdle) |
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143 { |
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144 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged -\ |
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145 release the old leg" ); |
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146 |
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147 //delete the actuall call object and move to Init-state |
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148 ReleaseCall( aContext, *aContext.SecondaryCall(), *iInit, |
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149 KVccHoOk ); |
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150 } |
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151 else |
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152 { |
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153 RUBY_DEBUG0( "TVccStateCalling::CallStateChanged -\ |
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154 set state to iReleasing" ); |
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155 |
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156 //must wait for old leg to be released |
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157 aContext.SetState( *iReleasing ); |
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158 } |
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159 } |
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160 else |
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161 { |
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162 InspectChangedStates( aContext, |
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163 aState, |
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164 aCall, |
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165 aContext.CallObserver(), |
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166 &MCCPCallObserver::CallStateChanged ); |
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167 } |
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168 } |
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169 // ----------------------------------------------------------------------------- |
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170 // CallStateChangedWithInband |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void TVccStateCalling::CallStateChangedWithInband( CVccPerformer& aContext, |
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174 const MCCPCallObserver::TCCPCallState aState, |
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175 MCCPCall* aCall ) |
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176 { |
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177 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallStateChangedWithInband" ); |
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178 __ASSERT_DEBUG( aContext.SecondaryCall() != NULL, User::Invariant() ); |
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179 __ASSERT_DEBUG( aContext.PrimaryCall() != NULL, User::Invariant() ); |
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180 InspectChangedStates(aContext, |
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181 aState, |
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182 aCall, |
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183 aContext.CallObserver(), |
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184 &MCCPCallObserver::CallStateChangedWithInband); |
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185 |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // From MCCPCallObserver |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 void TVccStateCalling::ErrorOccurred( CVccPerformer& aContext, |
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193 const TCCPError aError, |
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194 MCCPCall* aCall ) |
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195 { |
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196 RUBY_DEBUG_BLOCK( "TVccStateCalling::ErrorOccurred" ); |
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197 RUBY_DEBUG1( "TVccStateCalling::ErrorOccurred - error: %d", aError ); |
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198 |
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199 __ASSERT_DEBUG( aContext.CallObserver()!=NULL, User::Invariant() ); |
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200 __ASSERT_DEBUG(aContext.PrimaryCall()!=NULL, User::Invariant()); |
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201 __ASSERT_DEBUG(aCall != NULL, User::Invariant()); |
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202 |
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203 if ( aCall == aContext.SecondaryCall() && |
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204 aContext.PrimaryCall()->State() == |
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205 MCCPCallObserver::ECCPStateConnected ) |
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206 { |
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207 RUBY_DEBUG0( "TVccStateCalling::ErrorOccurred - set state to iFailing" ); |
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208 |
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209 aContext.SetState( *iFailing ); |
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210 } |
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211 else if( aCall == aContext.SecondaryCall() && |
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212 aContext.PrimaryCall()->State() != |
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213 MCCPCallObserver::ECCPStateConnected ) |
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214 { |
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215 // RUBY_DEBUG0( "TVccStateCalling::ErrorOccurred - forward the error to CCE" ); |
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216 //aContext.CallObserver()->ErrorOccurred( aError, |
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217 // aContext.PrimaryCall() ); |
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218 } |
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219 |
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220 //Update PS key to notify handover failure |
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221 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, |
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222 aError ) ); |
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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 // From MCCPCallObserver |
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228 // ----------------------------------------------------------------------------- |
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229 // |
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230 void TVccStateCalling::CallEventOccurred(CVccPerformer& aContext, |
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231 const MCCPCallObserver::TCCPCallEvent aEvent, |
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232 MCCPCall* aCall ) |
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233 { |
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234 RUBY_DEBUG_BLOCK( "TVccStateCalling::CallEventOccurred" ); |
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235 |
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236 __ASSERT_DEBUG(aContext.CallObserver()!=NULL, User::Invariant()); |
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237 __ASSERT_DEBUG(aCall != NULL, User::Invariant()); |
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238 |
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239 //in successful HO case ECCPRemoteTerminated is also received when server |
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240 //disconnects the original leg |
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241 if ( aEvent == MCCPCallObserver::ECCPRemoteTerminated && |
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242 aCall == aContext.SecondaryCall() && |
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243 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateConnected ) |
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244 { |
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245 RUBY_DEBUG1( "TVccStateCalling::CallEventOccurred -\ |
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246 forward the call event to CCE: %d", aEvent ); |
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247 |
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248 aContext.CallObserver()->CallEventOccurred( aEvent, |
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249 aContext.PrimaryCall()); |
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250 |
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251 } |
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252 else if( aEvent == MCCPCallObserver::ECCPRemoteTerminated && |
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253 aCall == aContext.SecondaryCall() && |
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254 aContext.PrimaryCall()->State() == MCCPCallObserver::ECCPStateConnected ) |
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255 { |
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256 RUBY_DEBUG0( "TVccStateCalling::CallEventOccurred - set state to iFailing" ); |
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257 |
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258 aContext.SetState( *iFailing ); |
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259 } |
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260 //if remote end holds the call HO is not allowed at this end either |
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261 else if( aEvent == MCCPCallObserver::ECCPRemoteHold ) |
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262 { |
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263 //Trigger is informed that automatic HO is not allowed. |
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264 aContext.ActivateTrigger( EFalse ); |
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265 //for manual HO PS key needs to be updated |
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266 aContext.AllowHo( EFalse ); |
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267 aContext.CallObserver()->CallEventOccurred( aEvent, |
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268 aContext.PrimaryCall()); |
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269 } |
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270 else if( aEvent == MCCPCallObserver::ECCPRemoteResume ) |
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271 { |
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272 //HO is allowed again |
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273 aContext.ActivateTrigger( ETrue ); |
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274 //for manual HO PS key needs to be updated |
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275 aContext.AllowHo( ETrue ); |
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276 aContext.CallObserver()->CallEventOccurred( aEvent, |
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277 aContext.PrimaryCall()); |
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278 } |
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279 } |
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280 |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // InspectChangedStates |
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284 // ----------------------------------------------------------------------------- |
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285 // |
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286 void TVccStateCalling::InspectChangedStates (CVccPerformer& aContext, |
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287 const MCCPCallObserver::TCCPCallState aState, |
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288 MCCPCall* aCall, |
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289 MCCPCallObserver* aCallee, |
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290 void (MCCPCallObserver::*aCallback) |
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291 (const MCCPCallObserver::TCCPCallState, MCCPCall*)) |
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292 |
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293 |
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294 { |
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295 //Remote party has disconnected the call - the events might arrive |
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296 //to the new leg first. The event must be issued on the old leg as |
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297 //all previous events are suppressed. |
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298 // |
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299 if( (aState == MCCPCallObserver::ECCPStateDisconnecting || |
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300 aState == MCCPCallObserver::ECCPStateIdle) && |
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301 aCall == aContext.SecondaryCall() && |
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302 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateIdle && |
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303 aContext.PrimaryCall()->State() != MCCPCallObserver::ECCPStateConnected ) |
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304 { |
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305 RUBY_DEBUG1( "TVccStateCalling::InspectChangedStates -\ |
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306 forward the events on the old leg, suppress from new one: %d", aState ); |
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307 //remove progress bar from UI |
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308 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, KErrGeneral ) ); |
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309 (aCallee->*aCallback)( aState, aContext.PrimaryCall()); |
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310 } |
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311 //old leg is released in remote disconnect or other abnormal case, this should never |
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312 //happen in the successfull HO case. |
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313 |
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314 else if( aState == MCCPCallObserver::ECCPStateIdle && |
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315 aCall == aContext.PrimaryCall() ) |
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316 { |
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317 RUBY_DEBUG1( "TVccStateCalling::InspectChangedStates - shouldnt happen in normal HO case,\ |
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318 MT disconnected the call, or some other abnormal case: %d", aState ); |
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319 |
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320 //remove progress bar from UI |
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321 TRAP_IGNORE( aContext.Notifier().NotifySubscriberL( EVccCsToPsHoFailure, KErrGeneral ) ); |
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322 (aCallee->*aCallback)( aState, aContext.PrimaryCall() ); |
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323 aContext.SetState( *iInit ); |
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324 } |
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325 } |