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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: Implementation of CSsmStatePolicyBase class. |
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15 * |
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16 */ |
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17 |
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18 #include <bautils.h> |
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19 #include <ssm/ssmcommandlistresourcereader.h> |
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20 #include <ssm/ssmstate.h> |
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21 #include <ssm/ssmstatetransition.h> |
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22 |
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23 #include "ssmstatepolicybase.h" |
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24 #include "ssmmapperutilitystatic.h" |
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25 #include "trace.h" |
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26 |
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27 // ======== MEMBER FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // CSsmStatePolicyBase::CSsmStatePolicyBase |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 EXPORT_C CSsmStatePolicyBase::CSsmStatePolicyBase() |
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34 { |
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35 FUNC_LOG; |
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36 } |
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37 |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // CSsmStatePolicyBase::~CSsmStatePolicyBase |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 EXPORT_C CSsmStatePolicyBase::~CSsmStatePolicyBase() |
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44 { |
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45 FUNC_LOG; |
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46 } |
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47 |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // CSsmStatePolicyBase::Initialize |
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51 // --------------------------------------------------------------------------- |
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52 // |
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53 EXPORT_C void CSsmStatePolicyBase::Initialize( TRequestStatus& aStatus ) |
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54 { |
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55 FUNC_LOG; |
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56 ASSERT_TRACE( iCommandListResourceReader ); |
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57 |
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58 // initialise command list resource reader. |
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59 iCommandListResourceReader->Initialise( aStatus ); |
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60 } |
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61 |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // CSsmStatePolicyBase::InitializeCancel |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 EXPORT_C void CSsmStatePolicyBase::InitializeCancel() |
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68 { |
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69 FUNC_LOG; |
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70 |
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71 iCommandListResourceReader->InitialiseCancel(); |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // CSsmStatePolicyBase::TransitionAllowed |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 EXPORT_C MSsmStatePolicy::TResponse CSsmStatePolicyBase::TransitionAllowed( |
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80 const TSsmStateTransition& aRequest, |
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81 TSsmStateTransition const* aCurrent, |
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82 TSsmStateTransition const* aQueued, |
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83 const RMessagePtr2& aMessage ) |
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84 { |
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85 FUNC_LOG; |
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86 INFO_2( "Requested state transition: %04x.%04x", aRequest.State().MainState(), aRequest.State().SubState() ); |
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87 |
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88 SsmMapperUtility::CheckCaps( aMessage ); |
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89 |
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90 if ( IsAllowedTargetState( aRequest ) ) |
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91 { |
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92 if ( aCurrent ) |
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93 { |
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94 INFO_2( "Current state transition: %04x.%04x", aCurrent->State().MainState(), aCurrent->State().SubState() ); |
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95 |
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96 TUint16 mainState( aRequest.State().MainState() ); |
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97 if ( mainState == ESsmFail || mainState == ESsmShutdown ) |
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98 { |
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99 INFO( "Failure / shutdown transition requested -> start immediately" ); |
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100 return EReplaceCurrentClearQueue; |
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101 } |
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102 |
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103 if ( aQueued ) // There propably can be a queued transition only if there is a current transition(?) |
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104 { |
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105 INFO_2( "Queued state transition: %04x.%04x", aQueued->State().MainState(), aQueued->State().SubState() ); |
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106 } |
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107 |
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108 INFO( "Queuing state transition" ); |
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109 return ECurrentRemainReplaceQueued; |
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110 } |
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111 |
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112 INFO( "No current state transition -> start immediately" ); |
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113 return EDefinitelyAllowed; |
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114 } |
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115 else |
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116 { |
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117 INFO( "State is not reachable" ); |
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118 return ENotAllowed; |
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119 } |
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120 } |
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121 |
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122 |
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123 // --------------------------------------------------------------------------- |
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124 // CSsmStatePolicyBase::PrepareCommandList |
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125 // --------------------------------------------------------------------------- |
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126 // |
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127 EXPORT_C void CSsmStatePolicyBase::PrepareCommandList( |
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128 TSsmState aState, |
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129 #ifdef INFO_TRACE |
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130 TInt aReason, |
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131 #else |
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132 TInt /*aReason*/, |
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133 #endif |
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134 TRequestStatus& aStatus ) |
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135 { |
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136 FUNC_LOG; |
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137 INFO_3( "State %04x.%04x, reason %04x", aState.MainState(), aState.SubState(), aReason ); |
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138 |
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139 TSsmState publishState( |
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140 aState.MainState(), TargetSubState( aState.SubState() ) ); |
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141 |
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142 // Build the commandlist from resource. |
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143 // Substate id is used as a command list id. |
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144 iCommandListResourceReader->PrepareCommandList( |
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145 publishState.SubState(), publishState, aStatus ); |
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146 } |
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147 |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // CSsmStatePolicyBase::PrepareCommandListCancel |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 EXPORT_C void CSsmStatePolicyBase::PrepareCommandListCancel() |
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154 { |
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155 FUNC_LOG; |
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156 |
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157 iCommandListResourceReader->PrepareCommandListCancel(); |
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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 // CSsmStatePolicyBase::CommandList |
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163 // --------------------------------------------------------------------------- |
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164 // |
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165 EXPORT_C CSsmCommandList* CSsmStatePolicyBase::CommandList() |
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166 { |
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167 FUNC_LOG; |
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168 |
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169 return iCommandListResourceReader->GetCommandList(); |
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170 } |
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171 |
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172 |
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173 // --------------------------------------------------------------------------- |
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174 // CSsmStatePolicyBase::Release |
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175 // --------------------------------------------------------------------------- |
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176 // |
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177 EXPORT_C void CSsmStatePolicyBase::Release() |
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178 { |
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179 FUNC_LOG; |
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180 |
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181 delete this; |
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182 } |