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1 /* |
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2 * Copyright (c) 2009 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: Finite State Machine class for Composite Cable Status. |
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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 "pdeconstants.h" |
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20 #include "accessoryconnectionif.h" |
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21 #include "compositecablestateidle.h" |
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22 #include "compositecablestateconnected.h" |
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23 #include "compositecablestatusfsm.h" |
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24 #include "trace.h" |
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25 #include <centralrepository.h> |
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26 #include <accessoriescrkeys.h> |
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27 #include <tvoutconfig.h> |
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28 |
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29 |
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30 // ======== LOCAL FUNCTIONS ======== |
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31 |
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32 |
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33 // ======== MEMBER FUNCTIONS ======== |
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34 |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Symbian two-phased constructor |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CCompositeCableStatusFSM* CCompositeCableStatusFSM::NewL( |
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41 RAccessoryServer& aAccessoryServer, CPDEngine *aPdEngine ) |
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42 { |
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43 FUNC_LOG; |
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44 CCompositeCableStatusFSM* self = new ( ELeave ) CCompositeCableStatusFSM(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL( aAccessoryServer, aPdEngine ); |
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47 CleanupStack::Pop( self ); |
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48 return self; |
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49 } |
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50 |
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51 // --------------------------------------------------------------------------- |
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52 // Destructor |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 CCompositeCableStatusFSM::~CCompositeCableStatusFSM() |
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56 { |
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57 FUNC_LOG; |
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58 iCurrentStateId = ECompositeCableStateUndefined; |
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59 if ( iAccessoryConnectionIf ) |
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60 { |
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61 iAccessoryConnectionIf->Cancel(); |
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62 delete iAccessoryConnectionIf; |
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63 } |
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64 if ( iTVOutConfigForComposite ) |
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65 { |
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66 iTVOutConfigForComposite->Cancel(); |
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67 delete iTVOutConfigForComposite; |
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68 } |
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69 // Delete state objects |
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70 for (TInt i = 0; i < ECompositeCableStateMaxValue; i++ ) |
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71 { |
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72 delete iStateArray[i]; |
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73 } |
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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 // From MFSMForBody. |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 void CCompositeCableStatusFSM::Start() |
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82 { |
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83 FUNC_LOG; |
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84 // Step to the initial state. |
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85 iCurrentStateId = ECompositeCableStateIdle; |
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86 iStateArray[iCurrentStateId]->Enter(); |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // From MFSMForBody. |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 TFSMId CCompositeCableStatusFSM::FSMID() |
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95 { |
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96 FUNC_LOG; |
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97 TFSMId aFSMID( EPDEFSMIdCompositeCableStatus ); |
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98 return aFSMID; |
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99 } |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // From MFSMForBody. |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 TFSMState CCompositeCableStatusFSM::CurrentStateID() |
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106 { |
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107 FUNC_LOG; |
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108 TFSMState currentState( ECompositeCableStateUndefined ); |
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109 if ( ( 0 <= iCurrentStateId ) && |
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110 ( ECompositeCableStateMaxValue > iCurrentStateId )) |
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111 { |
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112 currentState = iCurrentStateId; |
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113 } |
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114 INFO_1( "iCurrentStateId: %i", iCurrentStateId ); |
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115 return currentState; |
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116 } |
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117 |
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118 |
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119 //------------------------------------------------------------------------------ |
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120 // From MPdeFSM. |
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121 //------------------------------------------------------------------------------ |
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122 // |
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123 TBool CCompositeCableStatusFSM::ProcessCommandL( const TProcessCmdId /*aCommand*/, |
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124 const TASYCmdParams& /* aCmdParams*/, |
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125 MPDAsyCmdHandler& /*aAsyCmdHandler*/ ) |
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126 { |
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127 FUNC_LOG; |
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128 TBool commandHandled( EFalse ); |
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129 // Current implementation does not receive/accept any ASY commands. |
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130 return commandHandled; |
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131 } |
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132 |
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133 //------------------------------------------------------------------------------ |
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134 // From MPdeFSM. |
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135 //------------------------------------------------------------------------------ |
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136 // |
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137 TInt CCompositeCableStatusFSM::GetAccPolGenericID( TAccPolGenericID& aAccPolGenericID ) |
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138 { |
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139 FUNC_LOG; |
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140 return iAccessoryConnectionIf->GetAccPolGenericID( aAccPolGenericID ); |
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141 } |
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142 |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // From MFSMForBody. |
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146 // --------------------------------------------------------------------------- |
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147 // |
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148 void CCompositeCableStatusFSM::Input( |
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149 TFSMInterfaceId aInterfaceId , |
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150 TFSMEventId aEvent ) |
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151 { |
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152 FUNC_LOG; |
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153 if ( ECompositeCableStateUndefined != iCurrentStateId ) |
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154 { |
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155 if ( NULL != iStateArray[iCurrentStateId] ) |
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156 { |
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157 iStateArray[iCurrentStateId]->Input( aInterfaceId, aEvent ); |
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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 // --------------------------------------------------------------------------- |
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163 // From MFSMForBody. |
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164 // --------------------------------------------------------------------------- |
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165 // |
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166 MFSMState* CCompositeCableStatusFSM::CurrentState() |
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167 { |
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168 FUNC_LOG; |
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169 MFSMState* currentState( NULL ); |
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170 if ( ( 0 <= iCurrentStateId ) && |
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171 ( ECompositeCableStateMaxValue > iCurrentStateId )) |
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172 { |
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173 currentState = iStateArray[iCurrentStateId]; |
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174 } |
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175 return currentState; |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // From MFSMForBody. |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 TPtrC CCompositeCableStatusFSM::CurrentStateName() |
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183 { |
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184 FUNC_LOG; |
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185 TPtrC currentStateName; |
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186 currentStateName.Set( KNullDesC ); |
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187 if ( ( 0 <= iCurrentStateId ) && |
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188 ( ECompositeCableStateMaxValue > iCurrentStateId )) |
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189 { |
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190 if ( NULL != iStateArray[iCurrentStateId] ) |
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191 { |
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192 currentStateName.Set( iStateArray[iCurrentStateId]->Name() ); |
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193 } |
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194 } |
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195 return currentStateName; |
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196 } |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // From MFSMForBody. |
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200 // --------------------------------------------------------------------------- |
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201 // |
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202 TFSMMainAndSubState CCompositeCableStatusFSM::CurrentMainAndSubstateIDs() |
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203 { |
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204 FUNC_LOG; |
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205 TFSMMainAndSubState state; |
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206 state.iMainState = ECompositeCableStateUndefined; |
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207 state.iSubstate = 0; |
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208 if ( ( 0 <= iCurrentStateId ) && |
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209 ( ECompositeCableStateMaxValue > iCurrentStateId )) |
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210 { |
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211 state.iMainState = iCurrentStateId; |
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212 state.iSubstate = iStateArray[iCurrentStateId]->SubId(); |
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213 } |
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214 INFO_2( "Main state id: %i, substate id: %i", state.iMainState, state.iSubstate ); |
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215 return state; |
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216 } |
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217 |
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218 // --------------------------------------------------------------------------- |
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219 // From MFSMForState. |
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220 // --------------------------------------------------------------------------- |
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221 // |
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222 TBool CCompositeCableStatusFSM::Transit( TFSMState aNextState ) |
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223 { |
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224 FUNC_LOG; |
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225 TBool retVal(EFalse); |
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226 if ( ( 0 <= aNextState ) && |
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227 ( ECompositeCableStateMaxValue > aNextState ) ) |
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228 { |
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229 iCurrentStateId = aNextState; |
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230 if ( NULL != iStateArray[iCurrentStateId]) |
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231 { |
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232 retVal = ETrue; |
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233 iStateArray[iCurrentStateId]->Enter(); |
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234 } |
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235 } |
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236 if ( EFalse == retVal ) |
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237 { |
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238 //Something is wrong |
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239 INFO("Incorrect nextstate"); |
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240 } |
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241 INFO_1("TBool retVal %i", retVal); |
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242 return retVal; |
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243 } |
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244 |
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245 // --------------------------------------------------------- |
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246 // C++ constructor |
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247 // --------------------------------------------------------- |
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248 // |
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249 CCompositeCableStatusFSM::CCompositeCableStatusFSM() |
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250 { |
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251 FUNC_LOG; |
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252 } |
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253 |
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254 |
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255 // --------------------------------------------------------- |
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256 // ConstructL |
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257 // --------------------------------------------------------- |
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258 // |
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259 void CCompositeCableStatusFSM::ConstructL( |
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260 RAccessoryServer& aAccessoryServer, CPDEngine *aPdEngine ) |
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261 { |
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262 FUNC_LOG; |
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263 |
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264 iPdEngine = aPdEngine; |
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265 |
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266 // Create interface objecs |
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267 iAccessoryConnectionIf = CAccessoryConnectionIf::NewL( *this, aAccessoryServer ); |
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268 iTVOutConfigForComposite = CTVOutConfigForComposite::NewL( *this ); |
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269 |
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270 // Create state objects here. |
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271 iStateArray[ ECompositeCableStateIdle ] = CCompositeCableStateIdle::NewL( *this ); |
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272 iStateArray[ ECompositeCableStateConnected ] = CCompositeCableStateConnected::NewL( *this, *iTVOutConfigForComposite, *this ); |
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273 } |
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274 |
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275 // ======== GLOBAL FUNCTIONS ======== |
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276 |