1 /* |
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2 * Copyright (c) 2005-2006 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: State class for alive states |
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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 #include "aistatealive.h" |
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20 #include "aipluginstatemachine.h" |
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21 #include "debug.h" |
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22 |
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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 // TAiStateAliveActive::TAiStateAliveActive() |
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28 // ---------------------------------------------------------------------------- |
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29 // |
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30 TAiStateAliveActive::TAiStateAliveActive() |
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31 { |
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32 } |
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33 |
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34 // ---------------------------------------------------------------------------- |
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35 // TAiStateAliveActive::Enter() |
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36 // ---------------------------------------------------------------------------- |
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37 // |
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38 void TAiStateAliveActive::Enter( MAiPluginStateMachine& aStateMachine, |
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39 TAiStateChanges aStateChange ) |
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40 { |
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41 __PRINTS( "XAI: Enter Alive active" ); |
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42 |
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43 const TAiTransitionReason reason( |
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44 aStateMachine.TranslateReason( aStateChange ) ); |
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45 |
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46 aStateMachine.ChangePluginState( reason, CAiContentPublisher::Resume ); |
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47 } |
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48 |
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49 // ---------------------------------------------------------------------------- |
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50 // TAiStateAliveActive::HandleEvent() |
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51 // ---------------------------------------------------------------------------- |
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52 // |
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53 TBool TAiStateAliveActive::HandleEvent( MAiPluginStateMachine& aStateMachine, |
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54 TAiStateChanges aStateChange ) |
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55 { |
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56 __PRINTS( "XAI: Alive active handles event" ); |
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57 switch( aStateChange ) |
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58 { |
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59 case ESMAIBacklightOff: |
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60 { |
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61 aStateMachine.SwitchToState( EAiAliveInactive, aStateChange ); |
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62 return ETrue; |
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63 } |
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64 default: |
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65 { |
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66 return EFalse; |
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67 } |
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68 } |
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69 } |
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70 |
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71 // ---------------------------------------------------------------------------- |
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72 // TAiStateAliveActive::Exit() |
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73 // ---------------------------------------------------------------------------- |
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74 // |
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75 void TAiStateAliveActive::Exit( MAiPluginStateMachine& /*aStateMachine*/, |
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76 TAiStateChanges /*aStateChange*/ ) |
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77 { |
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78 __PRINTS( "XAI: Exit alive active" ); |
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79 } |
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80 |
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81 // ======== MEMBER FUNCTIONS ======== |
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82 |
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83 // ---------------------------------------------------------------------------- |
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84 // TAiStateAliveInactive::TAiStateAliveInactive() |
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85 // ---------------------------------------------------------------------------- |
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86 // |
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87 TAiStateAliveInactive::TAiStateAliveInactive() |
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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 // TAiStateAliveInactive::Enter() |
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93 // ---------------------------------------------------------------------------- |
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94 // |
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95 void TAiStateAliveInactive::Enter( MAiPluginStateMachine& aStateMachine, |
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96 TAiStateChanges aStateChange ) |
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97 { |
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98 __PRINTS( "XAI: Enter alive inactive" ); |
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99 const TAiTransitionReason reason( |
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100 aStateMachine.TranslateReason( aStateChange ) ); |
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101 |
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102 aStateMachine.ChangePluginState( reason, CAiContentPublisher::Resume ); |
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103 |
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104 aStateMachine.RestartSuspendTimer(); |
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105 } |
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106 |
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107 // ---------------------------------------------------------------------------- |
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108 // TAiStateAliveInactive::HandleEvent() |
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109 // ---------------------------------------------------------------------------- |
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110 // |
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111 TBool TAiStateAliveInactive::HandleEvent( MAiPluginStateMachine& aStateMachine, |
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112 TAiStateChanges aStateChange ) |
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113 { |
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114 __PRINTS( "XAI: alive inactive handles event" ); |
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115 switch( aStateChange ) |
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116 { |
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117 case ESMAIIdleForeground: |
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118 case ESMAIBacklightOn: |
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119 { |
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120 aStateMachine.SwitchToState( EAiAliveActive, aStateChange ); |
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121 return ETrue; |
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122 } |
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123 case ESMAIT1Timeout: |
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124 { |
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125 aStateMachine.SwitchToState( EAiSuspended, aStateChange ); |
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126 return ETrue; |
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127 } |
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128 default: |
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129 { |
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130 return EFalse; |
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131 } |
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132 } |
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133 } |
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134 |
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135 // ---------------------------------------------------------------------------- |
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136 // TAiStateAliveInactive::Exit() |
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137 // ---------------------------------------------------------------------------- |
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138 // |
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139 void TAiStateAliveInactive::Exit( MAiPluginStateMachine& /*aStateMachine*/, |
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140 TAiStateChanges /*aStateChange*/ ) |
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141 { |
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142 __PRINTS( "XAI: Exit alive inactive" ); |
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143 } |
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144 |
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145 |
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146 // ======== MEMBER FUNCTIONS ======== |
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147 |
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148 // ---------------------------------------------------------------------------- |
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149 // TAiStateAliveIncall::TAiStateAliveIncall() |
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150 // ---------------------------------------------------------------------------- |
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151 // |
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152 TAiStateAliveIncall::TAiStateAliveIncall() |
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153 { |
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154 } |
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155 |
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156 // ---------------------------------------------------------------------------- |
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157 // TAiStateAliveIncall::Enter() |
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158 // ---------------------------------------------------------------------------- |
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159 // |
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160 void TAiStateAliveIncall::Enter( MAiPluginStateMachine& aStateMachine, |
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161 TAiStateChanges aStateChange ) |
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162 { |
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163 __PRINTS( "XAI: Enter alive incall" ); |
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164 |
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165 const TAiTransitionReason reason( |
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166 aStateMachine.TranslateReason( aStateChange ) ); |
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167 |
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168 aStateMachine.ChangePluginState( reason, CAiContentPublisher::Resume ); |
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169 } |
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170 |
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171 // ---------------------------------------------------------------------------- |
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172 // TAiStateAliveIncall::HandleEvent() |
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173 // ---------------------------------------------------------------------------- |
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174 // |
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175 TBool TAiStateAliveIncall::HandleEvent( MAiPluginStateMachine& aStateMachine, |
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176 TAiStateChanges aStateChange ) |
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177 { |
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178 __PRINTS( "XAI: alive incall handles event" ); |
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179 switch( aStateChange ) |
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180 { |
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181 case ESMAINoCall: |
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182 { |
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183 // To alive switch |
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184 aStateMachine.SwitchToState( EAiAlive, aStateChange ); |
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185 return ETrue; |
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186 } |
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187 case ESMAIInCall: |
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188 { |
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189 // prevent master state from handling this |
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190 return ETrue; |
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191 } |
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192 default: |
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193 { |
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194 return EFalse; |
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195 } |
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196 } |
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197 } |
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198 |
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199 // ---------------------------------------------------------------------------- |
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200 // TAiStateAliveIncall::Exit() |
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201 // ---------------------------------------------------------------------------- |
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202 // |
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203 void TAiStateAliveIncall::Exit( MAiPluginStateMachine& /*aStateMachine*/, |
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204 TAiStateChanges /*aStateChange*/ ) |
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205 { |
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206 __PRINTS( "XAI: Exit alive incall" ); |
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207 } |
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208 |
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209 // ======== MEMBER FUNCTIONS ======== |
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210 |
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211 // ---------------------------------------------------------------------------- |
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212 // TAiStateAlive::TAiStateAlive() |
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213 // ---------------------------------------------------------------------------- |
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214 // |
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215 TAiStateAlive::TAiStateAlive( MAiPluginStateMachine& aParentStateMachine ) |
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216 : iCurrentState( &iStateAliveInactive ), |
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217 iParentStateMachine( &aParentStateMachine ) |
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218 { |
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219 } |
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220 |
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221 // ---------------------------------------------------------------------------- |
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222 // TAiStateAlive::SwitchToState() |
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223 // ---------------------------------------------------------------------------- |
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224 // |
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225 void TAiStateAlive::SwitchToState( TAiState aState, |
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226 TAiStateChanges aStateChange ) |
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227 { |
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228 switch( aState ) |
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229 { |
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230 case EAiAliveInactive: |
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231 { |
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232 iCurrentState = &iStateAliveInactive; |
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233 break; |
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234 } |
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235 case EAiAliveActive: |
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236 { |
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237 iCurrentState = &iStateAliveActive; |
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238 break; |
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239 } |
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240 case EAiAliveIncall: |
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241 { |
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242 iCurrentState = &iStateAliveIncall; |
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243 break; |
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244 } |
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245 default: |
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246 { |
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247 iParentStateMachine->SwitchToState( aState, aStateChange ); |
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248 return; |
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249 } |
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250 } |
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251 iCurrentState->Enter( *this, aStateChange ); |
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252 } |
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253 |
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254 // ---------------------------------------------------------------------------- |
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255 // TAiStateAlive::StateVariable() |
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256 // ---------------------------------------------------------------------------- |
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257 // |
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258 TBool TAiStateAlive::StateVariable( TAiStateVariable aStateVariable ) |
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259 { |
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260 return iParentStateMachine->StateVariable( aStateVariable ); |
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261 } |
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262 |
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263 // ---------------------------------------------------------------------------- |
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264 // TAiStateAlive::Plugin() |
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265 // ---------------------------------------------------------------------------- |
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266 // |
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267 CAiContentPublisher& TAiStateAlive::Plugin() const |
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268 { |
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269 return iParentStateMachine->Plugin(); |
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270 } |
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271 |
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272 // ---------------------------------------------------------------------------- |
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273 // TAiStateAlive::TranslateReason() |
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274 // ---------------------------------------------------------------------------- |
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275 // |
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276 TAiTransitionReason TAiStateAlive::TranslateReason( |
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277 TAiStateChanges aStateChange ) |
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278 { |
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279 return iParentStateMachine->TranslateReason( aStateChange ); |
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280 } |
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281 |
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282 // ---------------------------------------------------------------------------- |
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283 // TAiStateAlive::RestartSuspendTimer() |
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284 // ---------------------------------------------------------------------------- |
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285 // |
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286 void TAiStateAlive::RestartSuspendTimer() |
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287 { |
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288 iParentStateMachine->RestartSuspendTimer(); |
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289 } |
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290 |
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291 // ---------------------------------------------------------------------------- |
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292 // TAiStateAlive::Enter() |
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293 // ---------------------------------------------------------------------------- |
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294 // |
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295 void TAiStateAlive::Enter( MAiPluginStateMachine& aStateMachine, |
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296 TAiStateChanges aStateChange ) |
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297 { |
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298 __PRINTS( "XAI: Alive switch - enter" ); |
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299 if( aStateMachine.StateVariable( ESMAICallStatus ) ) |
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300 { |
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301 // If call is ongoing enter alive in call |
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302 iCurrentState = &iStateAliveIncall; |
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303 } |
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304 else if( !aStateMachine.StateVariable( ESMAILightStatus ) ) |
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305 { |
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306 // If light is off enter alive inactive |
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307 iCurrentState = &iStateAliveInactive; |
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308 } |
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309 else |
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310 { |
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311 // Otherwise alive active |
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312 iCurrentState = &iStateAliveActive; |
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313 } |
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314 // finally call the Enter() method |
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315 iCurrentState->Enter( *this, aStateChange ); |
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316 } |
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317 |
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318 // ---------------------------------------------------------------------------- |
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319 // TAiStateAlive::HandleEvent() |
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320 // ---------------------------------------------------------------------------- |
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321 // |
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322 TBool TAiStateAlive::HandleEvent( MAiPluginStateMachine& /*aStateMachine*/, |
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323 TAiStateChanges aStateChange ) |
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324 { |
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325 __PRINTS( "XAI: Alive switch handle event" ); |
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326 |
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327 if( !iCurrentState->HandleEvent( *this, aStateChange ) ) |
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328 { |
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329 // Only master state machine handles the "backup/restore on" and |
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330 // screen layout changed cases. |
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331 // Other event are forwarded to the currently active sub state. |
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332 // Other common events may be added here in the future also. |
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333 switch( aStateChange ) |
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334 { |
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335 case ESMAIOffLine: |
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336 case ESMAIOnLine: |
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337 case ESMAIKeylockEnabled: |
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338 case ESMAIKeylockDisabled: |
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339 case ESMAIRelayoutScreen: |
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340 case ESMAIIdleForeground: |
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341 case ESMAIIdleBackground: |
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342 case ESMAIPageSwitch: |
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343 case ESMAIGeneralThemeChanged: // fallthrough |
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344 { |
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345 iCurrentState->Enter( *this, aStateChange ); |
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346 // Handled the event ok |
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347 break; |
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348 } |
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349 case ESMAIInCall: |
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350 { |
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351 SwitchToState( EAiAliveIncall, aStateChange ); |
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352 // Handled the event ok |
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353 break; |
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354 } |
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355 default: |
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356 { |
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357 // Neither current state or master handled this event |
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358 return EFalse; |
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359 } |
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360 } |
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361 } |
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362 // Current state handled the event |
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363 return ETrue; |
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364 } |
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365 |
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366 // ---------------------------------------------------------------------------- |
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367 // TAiStateAlive::Exit() |
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368 // ---------------------------------------------------------------------------- |
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369 // |
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370 void TAiStateAlive::Exit( MAiPluginStateMachine& /*aStateMachine*/, |
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371 TAiStateChanges aStateChange ) |
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372 { |
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373 __PRINTS( "XAI: Alive switch exit" ); |
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374 iCurrentState->Exit( *this, aStateChange ); |
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375 } |
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376 |
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377 // ---------------------------------------------------------------------------- |
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378 // TAiStateAlive::ChangePluginState() |
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379 // ---------------------------------------------------------------------------- |
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380 // |
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381 void TAiStateAlive::ChangePluginState( TAiTransitionReason aReason, |
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382 void (CAiContentPublisher::*aStateChangeMethod)(TAiTransitionReason) ) |
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383 { |
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384 iParentStateMachine->ChangePluginState( aReason, aStateChangeMethod ); |
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385 } |
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386 |
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387 // End of file |
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