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1 /* |
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2 * Copyright (c) 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: Haptics server plugin handler implementation. |
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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 <ecom/ecom.h> |
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20 #include <hwrmhapticscommands.h> |
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21 #include <hwrmlogicalactuators.h> |
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22 #include <centralrepository.h> |
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23 |
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24 #include "hwrmhapticspluginmanager.h" |
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25 #include "hwrmhapticsclientserver.h" |
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26 #include "hwrmhapticsservice.h" |
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27 #include "hwrmhapticstrace.h" |
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28 #include "hwrmhapticstransactiondata.h" |
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29 #include "hwrmhapticsinternalcrkeys.h" |
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30 #include "hwrmhapticsuid.h" |
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31 |
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32 _LIT( KPanicCategory, "HWRMHapticsPluginManager" ); |
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33 |
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34 // HWRMHaptics uid file |
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35 _LIT( KHapticsUidFilename, "hwrmhapticsuid.ini" ); |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // Two-phased constructor. |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 EXPORT_C CHWRMHapticsPluginManager* CHWRMHapticsPluginManager::NewL( |
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42 CHWRMHapticsCommonData& aHapticsCommonData, |
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43 TInt aRequestTimeout ) |
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44 { |
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45 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::NewL()" ) ) ); |
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46 |
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47 CHWRMHapticsPluginManager* self = |
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48 new ( ELeave ) CHWRMHapticsPluginManager( aHapticsCommonData, |
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49 aRequestTimeout ); |
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50 CleanupStack::PushL( self ); |
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51 |
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52 self->ConstructL(); |
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53 |
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54 CleanupStack::Pop( self ); |
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55 |
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56 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::NewL - return 0x%x" ), self ) ); |
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57 |
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58 return self; |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // Destructor |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 CHWRMHapticsPluginManager::~CHWRMHapticsPluginManager() |
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66 { |
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67 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::~CHWRMHapticsPluginManager()" ) ) ); |
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68 |
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69 if ( iPlugin ) |
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70 { |
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71 // Cancel any ongoing requests |
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72 while ( iTransactionList->FirstItem() ) |
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73 { |
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74 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::~CHWRMHapticsPluginManager - Canceling transaction %d" ), iTransactionList->FirstItem()->TransactionId() ) ); |
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75 TRAPD( err, CancelCommandL( |
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76 iTransactionList->FirstItem()->TransactionId() ) ); |
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77 |
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78 if ( err != KErrNone ) |
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79 { |
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80 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::~CHWRMHapticsPluginManager - Canceling transaction %d failed" ), iTransactionList->FirstItem()->TransactionId() ) ); |
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81 } |
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82 } |
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83 |
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84 delete iPlugin; |
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85 iPlugin = NULL; |
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86 } |
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87 |
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88 delete iPluginTimer; |
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89 // delete transaction list |
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90 delete iTransactionList; |
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91 |
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92 delete iHapticsUid; |
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93 |
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94 delete iRepository; |
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95 |
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96 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::~CHWRMHapticsPluginManager - return " )) ); |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // Handles plugin requests from sessions. Only one concurrent request |
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101 // is supported. |
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102 // --------------------------------------------------------------------------- |
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103 // |
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104 TUint8 CHWRMHapticsPluginManager::ProcessCommandL( |
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105 TInt aCommandId, |
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106 TDesC8& aData, |
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107 CHWRMHapticsService* aCompletionCallback ) |
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108 { |
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109 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessCommandL(0x%x, <aData>, 0x%x)" ), aCommandId, aCompletionCallback ) ); |
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110 |
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111 if ( !iPlugin ) |
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112 { |
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113 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessCommandL - No actuator!" ) ) ); |
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114 User::Leave( KErrBadHandle ); |
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115 } |
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116 |
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117 // Generate new transaction ID. |
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118 iTransIdCounter++; |
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119 if ( iTransIdCounter == 0 ) |
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120 { |
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121 // Counter will overflow back to zero when it hits max. |
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122 // However, zero indicates completed transaction as return value, so |
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123 // increase counter again. |
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124 iTransIdCounter++; |
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125 } |
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126 |
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127 // If we run out of transIds, return server is busy. |
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128 if ( iTransactionList->FindTransaction( iTransIdCounter, EFalse ) ) |
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129 { |
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130 User::Leave( KErrServerBusy ); |
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131 } |
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132 |
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133 // Create transaction data before call in case it leaves |
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134 TTime obsoletionTime; |
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135 obsoletionTime.UniversalTime(); |
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136 obsoletionTime += iRequestTimeout; |
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137 CHWRMHapticsTransactionData* data = |
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138 new (ELeave) CHWRMHapticsTransactionData( aCompletionCallback, |
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139 iTransIdCounter, |
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140 aCommandId, |
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141 obsoletionTime ); |
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142 |
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143 // Push transaction data to cleanup stack so that it will clean |
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144 // out if ProcessCommandL leaves. |
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145 CleanupStack::PushL( data ); |
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146 |
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147 iPlugin->ProcessCommandL( aCommandId, data->TransactionId(), aData ); |
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148 |
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149 TUint8 retval( 0 ); |
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150 |
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151 // data still needed, do not destroy, just pop |
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152 CleanupStack::Pop( data ); |
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153 |
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154 // Add data to list |
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155 iTransactionList->AddTransaction( data ); |
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156 |
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157 retval = data->TransactionId(); |
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158 |
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159 // Start timer if it is not already started |
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160 if ( !iPluginTimer->IsActive() ) |
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161 { |
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162 iPluginTimer->Set( iRequestTimeout ); |
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163 } |
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164 |
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165 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessCommandL - return 0x%x" ), retval ) ); |
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166 |
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167 return retval; |
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168 |
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169 } |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // Cancels the currently executing request |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void CHWRMHapticsPluginManager::CancelCommandL( TUint8 aTransId ) |
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176 { |
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177 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::CancelCommandL()" )) ); |
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178 |
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179 if ( !iPlugin ) |
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180 { |
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181 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::CancelCommandL - No actuator!" ) ) ); |
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182 User::Leave( KErrBadHandle ); |
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183 } |
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184 |
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185 // Find correct transaction data and remove it from list |
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186 CHWRMHapticsTransactionData* data = |
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187 static_cast<CHWRMHapticsTransactionData*>( |
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188 iTransactionList->FindTransaction( aTransId, ETrue ) ); |
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189 |
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190 // cancel request timer if no more transactions open |
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191 if ( iTransactionList->Count() == 0 ) |
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192 { |
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193 iPluginTimer->Cancel(); |
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194 } |
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195 |
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196 // If transaction is not open, do nothing |
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197 // Do not cancel if request has no callback (i.e. final destructor |
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198 // state restorings) |
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199 // (these are canceled by timeout if they do not complete successfully) |
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200 if ( data && data->CompletionCallback() ) |
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201 { |
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202 CleanupStack::PushL( data ); |
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203 |
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204 iPlugin->CancelCommandL( data->TransactionId(), data->CommandId() ); |
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205 |
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206 // Destroy the transaction data, since transaction is over. |
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207 CleanupStack::PopAndDestroy( data ); |
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208 } |
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209 else |
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210 { |
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211 if ( data ) |
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212 { |
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213 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::CancelCommandL - Not canceled because no callback" ) ) ); |
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214 |
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215 // Push data back to list |
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216 iTransactionList->AddTransaction( data ); |
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217 } |
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218 else |
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219 { |
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220 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::CancelCommandL - Not canceled because no transaction found" ) ) ); |
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221 } |
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222 } |
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223 |
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224 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::CancelCommandL - return" ) ) ); |
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225 } |
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226 |
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227 // --------------------------------------------------------------------------- |
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228 // Called by the plugin to inform its state. Sends notification of the state |
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229 // to all listening clients. |
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230 // --------------------------------------------------------------------------- |
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231 // |
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232 void CHWRMHapticsPluginManager::PluginEnabled( |
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233 THWRMLogicalActuators aActuator, |
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234 TBool aEnabled ) |
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235 { |
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236 MHWRMHapticsActuatorObserver::THWRMActuatorEvents event = |
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237 MHWRMHapticsActuatorObserver::EHWRMActuatorDisabled; |
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238 |
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239 if ( aEnabled ) |
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240 { |
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241 event = MHWRMHapticsActuatorObserver::EHWRMActuatorEnabled; |
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242 } |
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243 |
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244 iHapticsCommonData.BroadcastActuatorEvent( event, aActuator ); |
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245 } |
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246 |
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247 // --------------------------------------------------------------------------- |
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248 // Routes response from plugin to correct service instance |
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249 // --------------------------------------------------------------------------- |
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250 // |
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251 void CHWRMHapticsPluginManager::ProcessResponseL( TInt aCommandId, |
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252 TUint8 aTransId, |
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253 const TDesC8& aData ) |
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254 { |
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255 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessResponseL(0x%x, 0x%x, <aData> )" ), aCommandId, aTransId ) ); |
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256 |
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257 // Find and remove correct transaction data and remove it from queue |
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258 CHWRMHapticsTransactionData* data = |
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259 static_cast<CHWRMHapticsTransactionData*>( |
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260 iTransactionList->FindTransaction( aTransId, ETrue ) ); |
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261 |
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262 // cancel request timer if no more transactions open |
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263 if ( iTransactionList->Count() == 0 ) |
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264 { |
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265 iPluginTimer->Cancel(); |
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266 } |
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267 |
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268 // If transaction is not open, response not expected. |
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269 if ( data ) |
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270 { |
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271 CleanupStack::PushL( data ); |
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272 |
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273 // Check that command ID is the expected one |
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274 if ( data->CommandId() != aCommandId ) |
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275 { |
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276 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessResponseL - Command ID mismatch, expected: 0x%x, got 0x%x" ), data->CommandId(), aCommandId ) ); |
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277 User::Leave( KErrBadHandle ); |
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278 } |
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279 |
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280 // Route data to callback service if one is needed |
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281 if ( data->CompletionCallback() ) |
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282 { |
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283 data->CompletionCallback()->ProcessResponseL( aCommandId, |
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284 aTransId, |
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285 aData ); |
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286 } |
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287 |
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288 CleanupStack::PopAndDestroy( data ); |
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289 data = NULL; |
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290 } |
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291 else |
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292 { |
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293 // There is problem in adaptation, as unexpected transaction was completed. |
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294 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessResponseL - No transaction data found!" ) ) ); |
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295 User::Leave( KErrBadHandle ); |
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296 } |
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297 |
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298 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ProcessResponseL - return" ) ) ); |
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299 } |
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300 |
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301 // --------------------------------------------------------------------------- |
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302 // Cancels all obsolete transactions. TimerId is irrelevant as only one timer. |
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303 // --------------------------------------------------------------------------- |
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304 // |
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305 void CHWRMHapticsPluginManager::GenericTimerFired( TInt /*aTimerId*/, |
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306 TBool /*aCutOff*/ ) |
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307 { |
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308 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::GenericTimerFired()" ) ) ); |
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309 |
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310 __ASSERT_ALWAYS( iPlugin, User::Panic( KPanicCategory, |
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311 EPanicBadHandle ) ); |
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312 |
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313 // Since requests are added to end of list always, they are in order |
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314 // of obsolescense. |
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315 // Cancel requests that are obsolete and notify callback service |
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316 TInt err( KErrNone ); |
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317 TTime now; |
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318 now.UniversalTime(); |
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319 |
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320 CHWRMHapticsTransactionData* data = |
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321 static_cast<CHWRMHapticsTransactionData*>( |
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322 iTransactionList->FirstItem() ); |
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323 |
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324 while ( data && ( data->TransactionObsoletionTime() < now ) ) |
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325 { |
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326 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::GenericTimerFired - Canceling obsolete transaction 0x%x" ), data->TransactionId() ) ); |
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327 |
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328 // Cancel transaction. |
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329 TUint8 trId( data->TransactionId() ); |
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330 TRAP(err, iPlugin->CancelCommandL( trId, data->CommandId() ) ); |
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331 |
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332 if ( err != KErrNone ) |
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333 { |
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334 // Ignore errors as we cannot do anything about it |
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335 // anyway. Just trace. |
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336 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::GenericTimerFired - Canceling obsolete transaction FAILED (%d)!" ), err ) ); |
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337 } |
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338 |
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339 if ( data->CompletionCallback() ) |
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340 { |
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341 data->CompletionCallback()->CancelRequest( trId ); |
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342 } |
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343 |
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344 // Destroy the transaction data, since transaction is over. |
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345 iTransactionList->RemoveFirstItem(); |
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346 delete data; |
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347 |
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348 // get next data to check |
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349 data = static_cast<CHWRMHapticsTransactionData*>( |
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350 iTransactionList->FirstItem() ); |
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351 } |
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352 |
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353 // Restart timer if there is more transactions in list |
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354 if ( data ) |
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355 { |
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356 iPluginTimer->Set( iRequestTimeout ); |
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357 } |
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358 |
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359 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::GenericTimerFired - return" ) ) ); |
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360 } |
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361 |
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362 // --------------------------------------------------------------------------- |
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363 // It retrieves the supported actuator information from plugins. |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 TUint32 CHWRMHapticsPluginManager::GetSupportedActuatorInfo() |
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367 { |
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368 return iSupActuators; |
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369 } |
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370 |
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371 // --------------------------------------------------------------------------- |
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372 // Opens the plugin appropriate for the actuator to be opened. |
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373 // --------------------------------------------------------------------------- |
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374 // |
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375 TBool CHWRMHapticsPluginManager::OpenPluginToActuatorL( |
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376 THWRMLogicalActuators aActuator ) |
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377 { |
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378 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::OpenPluginToActuator - Actuator = %d " ), aActuator) ); |
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379 |
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380 TBool created = EFalse; |
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381 |
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382 // check if actuator type is supported |
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383 if ( !( aActuator & iSupActuators ) ) |
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384 { |
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385 // not supported |
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386 User::Leave( KErrNotSupported ); |
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387 } |
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388 |
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389 if ( !iPlugin ) |
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390 { |
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391 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::OpenPluginToActuator - Creating plugin instance." ) ) ); |
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392 |
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393 // map actuator type to type cenrep id |
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394 TInt adaptationCenrepId(0); |
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395 switch( aActuator ) |
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396 { |
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397 case EHWRMLogicalActuatorAny: |
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398 { |
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399 adaptationCenrepId = KHWRMHapticsPluginAnyAdaptation; |
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400 break; |
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401 } |
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402 case EHWRMLogicalActuatorDevice: |
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403 { |
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404 adaptationCenrepId = KHWRMHapticsPluginDeviceAdaptation; |
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405 break; |
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406 } |
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407 case EHWRMLogicalActuatorPrimaryDisplay: |
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408 { |
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409 adaptationCenrepId = KHWRMHapticsPluginPrimaryDisplayAdaptation; |
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410 break; |
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411 } |
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412 case EHWRMLogicalActuatorSecondaryDisplay: |
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413 { |
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414 adaptationCenrepId = KHWRMHapticsPluginSecondaryDisplayAdaptation; |
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415 break; |
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416 } |
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417 case EHWRMLogicalActuatorGame: |
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418 { |
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419 adaptationCenrepId = KHWRMHapticsPluginGameAdaptation; |
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420 break; |
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421 } |
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422 case EHWRMLogicalActuatorGameLeft: |
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423 { |
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424 adaptationCenrepId = KHWRMHapticsPluginGameLeftAdaptation; |
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425 break; |
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426 } |
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427 case EHWRMLogicalActuatorGameRight: |
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428 { |
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429 adaptationCenrepId = KHWRMHapticsPluginGameRightAdaptation; |
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430 break; |
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431 } |
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432 case EHWRMLogicalActuatorExternalVibra: |
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433 { |
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434 adaptationCenrepId = KHWRMHapticsPluginExternalVibraAdaptation; |
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435 break; |
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436 } |
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437 default: |
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438 adaptationCenrepId = KHWRMHapticsPluginAnyAdaptation; |
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439 break; |
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440 } |
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441 |
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442 TInt adaptationPluginUid( 0 ); |
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443 User::LeaveIfError( iRepository->Get( adaptationCenrepId, |
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444 adaptationPluginUid ) ); |
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445 |
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446 // create plugin instance with the given uid |
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447 TRAPD( err, iPlugin = CHWRMHapticsPluginService::NewL( |
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448 TUid::Uid( adaptationPluginUid ), this ) ); |
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449 |
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450 // if the plugin with given uid was not found, the |
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451 // actuator type is not supported |
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452 if ( err == KErrNotFound ) |
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453 { |
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454 err = KErrNotSupported; |
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455 } |
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456 |
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457 User::LeaveIfError( err ); |
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458 |
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459 created = ETrue; |
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460 } |
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461 |
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462 return created; |
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463 } |
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464 |
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465 // --------------------------------------------------------------------------- |
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466 // Checks if automatic license setting is allowed. The actual check is done |
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467 // in CHWRMHapticsUid helper class. |
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468 // --------------------------------------------------------------------------- |
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469 // |
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470 TBool CHWRMHapticsPluginManager::LicenseAutoSettingAllowed( |
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471 const RMessage2& aMessage ) |
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472 { |
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473 return iHapticsUid->LicenseAutoSetAllowed( aMessage ); |
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474 } |
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475 |
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476 // --------------------------------------------------------------------------- |
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477 // C++ constructor |
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478 // --------------------------------------------------------------------------- |
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479 // |
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480 CHWRMHapticsPluginManager::CHWRMHapticsPluginManager( |
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481 CHWRMHapticsCommonData& aHapticsCommonData, |
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482 TInt aRequestTimeout ) |
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483 : iHapticsCommonData( aHapticsCommonData ), |
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484 iTransIdCounter( 0 ), |
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485 iRequestTimeout( aRequestTimeout ) |
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486 { |
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487 } |
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488 |
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489 // --------------------------------------------------------------------------- |
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490 // 2nd phase constructor. |
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491 // --------------------------------------------------------------------------- |
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492 // |
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493 void CHWRMHapticsPluginManager::ConstructL() |
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494 { |
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495 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ConstructL(<aMatch>)" )) ); |
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496 |
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497 // create transaction list and timer |
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498 iTransactionList = new( ELeave ) CHWRMHapticsPluginTransactionList(); |
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499 iPluginTimer = CHWRMHapticsGenericTimer::NewL( this, iRequestTimeout, 0 ); |
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500 |
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501 iRepository = CRepository::NewL( KCRUidHWRMHapticsPlugins ); |
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502 |
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503 // get all supported actuator information |
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504 iSupActuators = FindSupportedActuatorInfoL(); |
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505 |
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506 // create UID file parser |
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507 iHapticsUid = CHWRMHapticsUid::NewL( KHapticsUidFilename ); |
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508 |
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509 COMPONENT_TRACE( ( _L( "CHWRMHapticsPluginManager::ConstructL - return" )) ); |
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510 } |
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511 |
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512 // --------------------------------------------------------------------------- |
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513 // Finds the supported actuator information from plugins. |
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514 // --------------------------------------------------------------------------- |
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515 // |
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516 TUint32 CHWRMHapticsPluginManager::FindSupportedActuatorInfoL() |
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517 { |
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518 TUint32 supportedActuators( 0 ); |
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519 |
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520 // Any |
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521 AddInfoIfSupportedL( KHWRMHapticsPluginAnyAdaptation, |
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522 EHWRMLogicalActuatorAny, |
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523 supportedActuators ); |
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524 |
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525 // Device |
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526 AddInfoIfSupportedL( KHWRMHapticsPluginDeviceAdaptation, |
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527 EHWRMLogicalActuatorDevice, |
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528 supportedActuators ); |
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529 |
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530 // Primary Display |
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531 AddInfoIfSupportedL( KHWRMHapticsPluginPrimaryDisplayAdaptation, |
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532 EHWRMLogicalActuatorPrimaryDisplay, |
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533 supportedActuators ); |
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534 |
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535 // Secondary Display |
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536 AddInfoIfSupportedL( KHWRMHapticsPluginSecondaryDisplayAdaptation, |
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537 EHWRMLogicalActuatorSecondaryDisplay, |
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538 supportedActuators ); |
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539 |
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540 // Game |
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541 AddInfoIfSupportedL( KHWRMHapticsPluginGameAdaptation, |
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542 EHWRMLogicalActuatorGame, |
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543 supportedActuators ); |
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544 |
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545 // Game Left |
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546 AddInfoIfSupportedL( KHWRMHapticsPluginGameLeftAdaptation, |
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547 EHWRMLogicalActuatorGameLeft, |
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548 supportedActuators ); |
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549 |
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550 // Game Right |
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551 AddInfoIfSupportedL( KHWRMHapticsPluginGameRightAdaptation, |
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552 EHWRMLogicalActuatorGameRight, |
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553 supportedActuators ); |
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554 |
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555 // External Vibra |
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556 AddInfoIfSupportedL( KHWRMHapticsPluginExternalVibraAdaptation, |
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557 EHWRMLogicalActuatorExternalVibra, |
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558 supportedActuators ); |
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559 |
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560 return supportedActuators; |
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561 } |
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562 |
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563 // --------------------------------------------------------------------------- |
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564 // If given actuator type is found, adds it to the actuator mask integer. |
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565 // --------------------------------------------------------------------------- |
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566 // |
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567 void CHWRMHapticsPluginManager::AddInfoIfSupportedL( TInt aMatch, |
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568 THWRMLogicalActuators aMask, |
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569 TUint32& aActuators ) |
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570 { |
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571 TInt pluginUid( 0 ); |
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572 User::LeaveIfError( iRepository->Get( aMatch, pluginUid ) ); |
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573 |
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574 // if the adaptation plugin UID is not zero, implementation is found, |
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575 // i.e. actuator is supported |
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576 if( pluginUid != 0 ) |
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577 { |
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578 // add actuator to the mask |
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579 aActuators = aActuators | aMask; |
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580 } |
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581 } |
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582 |
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583 // End of File |