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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: |
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15 * |
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16 */ |
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17 #include "menusrvsession.h" |
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18 #include "menusrvstream.h" |
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19 #include "menusrvoperation.h" |
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20 #include "menusrvobjectfilter.h" |
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21 #include "mcsmenunotifier.h" // for the notifier events |
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22 #include "menusrvnotifier.h" |
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23 #include "menusrvbuf.h" |
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24 #include "menumsg.h" |
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25 #include "menusrvdef.h" |
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26 #include "mcsmenuitem.h" |
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27 #include "mcsmenufilter.h" |
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28 #include "menuutil.h" |
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29 #include "menueng.h" |
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30 #include "menusrveng.h" |
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31 #include "menuengobject.h" |
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32 #include <s32buf.h> |
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33 #include <s32strm.h> |
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34 |
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35 |
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36 const TInt KParamIndAttrName = 1; |
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37 const TInt KParamIndAttrEx = 2; |
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38 const TInt KParamIndAttrVal = 3; |
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39 const TInt KParamIndBuf = 2; |
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40 const TInt KParamIndStream = 3; |
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41 const TInt KParamIndOp = 3; |
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42 const TInt KParamIndNotif = 3; |
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43 |
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44 const TInt KGetListDescriptorPos = 0; |
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45 const TInt KGetListReturnPos = 1; |
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46 |
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47 //const TInt KIconSize = 74; |
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48 |
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49 |
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50 // ================= MEMBER FUNCTIONS ======================= |
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51 |
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52 // --------------------------------------------------------- |
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53 // CMenuSrvSession::~CMenuSrvSession |
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54 // --------------------------------------------------------- |
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55 // |
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56 CMenuSrvSession::~CMenuSrvSession() |
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57 { |
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58 delete iNotifierIx; |
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59 delete iStreamIx; |
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60 delete iOperationIx; |
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61 iMenuSrv.RemoveContainer( iObjectCon ); |
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62 if ( iSharedEng ) |
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63 { |
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64 iSharedEng->RemoveSession( this ); // Ownership release. |
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65 } |
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66 } |
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67 |
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68 // --------------------------------------------------------- |
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69 // CMenuSrvSession::NewL |
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70 // --------------------------------------------------------- |
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71 // |
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72 CMenuSrvSession* CMenuSrvSession::NewL( CMenuSrv& aMenuSrv ) |
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73 { |
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74 CMenuSrvSession* sess = new (ELeave) CMenuSrvSession( aMenuSrv ); |
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75 CleanupStack::PushL( sess ); |
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76 sess->ConstructL(); |
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77 CleanupStack::Pop( sess ); |
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78 return sess; |
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79 } |
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80 |
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81 // --------------------------------------------------------- |
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82 // CMenuSrvSession::CMenuSrvSession |
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83 // --------------------------------------------------------- |
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84 // |
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85 CMenuSrvSession::CMenuSrvSession( CMenuSrv& aMenuSrv ) |
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86 : iMenuSrv( aMenuSrv ) |
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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 // CMenuSrvSession::ConstructL |
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92 // --------------------------------------------------------- |
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93 // |
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94 void CMenuSrvSession::ConstructL() |
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95 { |
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96 iObjectCon = iMenuSrv.NewContainerL(); |
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97 iNotifierIx = CObjectIx::NewL(); |
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98 iStreamIx = CObjectIx::NewL(); |
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99 iOperationIx = CObjectIx::NewL(); |
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100 } |
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101 |
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102 // --------------------------------------------------------- |
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103 // CMenuSrvSession::CountResources |
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104 // --------------------------------------------------------- |
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105 // |
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106 TInt CMenuSrvSession::CountResources() |
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107 { |
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108 return iObjectCon->Count(); |
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109 } |
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110 |
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111 // --------------------------------------------------------- |
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112 // CMenuSrvSession::ServiceL |
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113 // --------------------------------------------------------- |
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114 // |
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115 void CMenuSrvSession::ServiceL( const RMessage2& aMessage ) |
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116 { |
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117 if( !ServiceCapabilityTestL( aMessage ) ) |
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118 { |
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119 // The rest of the functions does not work with a dead engine. |
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120 if ( iEngineDead ) |
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121 { |
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122 User::Leave( KErrDisconnected ); |
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123 } |
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124 |
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125 if( !ServiceCapReadL( aMessage ) ) |
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126 { |
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127 if( !ServiceCapWriteL( aMessage) ) |
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128 { |
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129 //Function was not serviced |
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130 aMessage.Complete( KErrNotSupported ); // Sync request -> complete it now. |
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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 // --------------------------------------------------------- |
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137 // CMenuSrvSession::ServiceCapabilityTestL |
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138 // Handles functions with test capability |
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139 // --------------------------------------------------------- |
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140 // |
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141 TBool CMenuSrvSession::ServiceCapabilityTestL( const RMessage2& aMessage ) |
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142 { |
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143 // These debug functions work even with a dead engine. |
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144 TBool serviced = ETrue; |
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145 switch( aMessage.Function() ) |
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146 { |
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147 case EMenuResourceMarkStart: |
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148 { |
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149 ResourceCountMarkStart(); |
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150 aMessage.Complete( KErrNone ); |
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151 break; |
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152 } |
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153 |
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154 case EMenuResourceMarkEnd: |
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155 { |
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156 ResourceCountMarkEnd( aMessage ); |
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157 aMessage.Complete( KErrNone ); |
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158 break; |
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159 } |
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160 |
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161 case EMenuResourceCount: |
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162 { |
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163 aMessage.Complete( CountResources() ); |
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164 break; |
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165 } |
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166 |
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167 case EMenuSetHeapFailure: |
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168 { |
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169 User::__DbgSetAllocFail |
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170 ( |
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171 RAllocator::EUser, |
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172 STATIC_CAST( RAllocator::TAllocFail, aMessage.Int0() ), |
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173 aMessage.Int1() |
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174 ); |
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175 aMessage.Complete( KErrNone ); |
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176 break; |
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177 } |
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178 |
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179 default: |
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180 { |
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181 // Not a debug function. |
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182 serviced = EFalse; |
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183 break; |
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184 } |
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185 } |
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186 return serviced; |
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187 } |
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188 |
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189 // --------------------------------------------------------- |
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190 // CMenuSrvSession::ServiceCapReadWriteL |
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191 // Handles functions with read device data capability |
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192 // --------------------------------------------------------- |
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193 // |
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194 TBool CMenuSrvSession::ServiceCapReadL( const RMessage2& aMessage ) |
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195 { |
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196 TBool serviced = ETrue; |
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197 switch( aMessage.Function() ) |
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198 { |
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199 case EMenuConstructSession: |
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200 { |
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201 __ASSERT_ALWAYS( !iSharedEng, PanicClientL( aMessage ) ); |
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202 RBuf name; |
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203 name.CreateL( aMessage.GetDesLengthL( 0 ) ); |
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204 CleanupClosePushL( name ); |
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205 aMessage.ReadL( 0, name ); |
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206 // Get the shared engine and open it. |
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207 CMenuSrvEng* sharedEng = iMenuSrv.GetEngineL( name ); |
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208 CleanupClosePushL( *sharedEng ); |
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209 sharedEng->AddSessionL( this ); // Ownership transfer. |
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210 // No leaving after this point. |
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211 CleanupStack::Pop( sharedEng ); |
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212 iSharedEng = sharedEng; |
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213 CleanupStack::PopAndDestroy( &name ); |
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214 break; |
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215 }; |
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216 |
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217 case EMenuRootFolder: |
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218 { |
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219 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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220 TPckgBuf<TInt> root; |
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221 TInt id; |
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222 iSharedEng->Engine().RootFolderL( id ); |
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223 root() = id; |
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224 aMessage.WriteL( 0, root ); |
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225 break; |
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226 } |
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227 |
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228 case EMenuStreamClose: |
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229 { |
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230 TInt handle = aMessage.Int3(); |
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231 StreamL( handle ); // Check that handle is valid. |
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232 iStreamIx->Remove( handle ); |
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233 break; |
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234 }; |
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235 |
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236 case EMenuStreamOpen: |
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237 { |
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238 NewStreamL( *(HMenuSrvBuf::NewL()), aMessage ); |
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239 break; |
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240 } |
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241 |
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242 case EMenuStreamRead: |
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243 { |
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244 TInt handle = aMessage.Int3(); |
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245 TInt len; |
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246 StreamL( handle ).ReadL( aMessage, len ); |
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247 break; |
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248 } |
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249 |
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250 case EMenuStreamWrite: |
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251 { |
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252 TInt handle = aMessage.Int3(); |
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253 StreamL( handle ).WriteL( aMessage ); |
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254 break; |
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255 } |
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256 |
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257 case EMenuGetHdr: |
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258 { |
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259 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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260 TInt id = aMessage.Int0(); |
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261 TPckgBuf<TMenuItem> hdr; |
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262 iSharedEng->Engine().GetItemL( id, hdr() ); |
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263 aMessage.WriteL( 1, hdr ); |
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264 break; |
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265 } |
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266 |
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267 case EMenuGetItems: |
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268 { |
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269 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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270 HMenuSrvBuf* streamBuf = HMenuSrvBuf::NewLC(); |
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271 RWriteStream stream( streamBuf ); |
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272 TInt folder = aMessage.Int0(); |
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273 TBool recursive = aMessage.Int1(); |
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274 RArray<TMenuItem> items; |
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275 CleanupClosePushL( items ); |
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276 iSharedEng->Engine().GetItemsL( items, folder, NULL, recursive ); |
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277 MenuUtil::ExternalizeL( items, stream ); |
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278 stream.CommitL(); |
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279 CleanupStack::PopAndDestroy( &items ); |
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280 CleanupStack::Pop( streamBuf ); |
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281 NewStreamL( *(stream.Sink()), aMessage ); |
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282 break; |
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283 } |
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284 |
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285 case EMenuGetRunningApps: |
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286 { |
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287 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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288 HMenuSrvBuf* streamBuf = HMenuSrvBuf::NewLC(); |
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289 RWriteStream stream( streamBuf ); |
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290 RArray<TUid> items; |
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291 CleanupClosePushL( items ); |
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292 iSharedEng->GetRunningAppsL( items ); |
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293 MenuUtil::ExternalizeL( items, stream ); |
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294 stream.CommitL(); |
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295 CleanupStack::PopAndDestroy( &items ); |
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296 CleanupStack::Pop( streamBuf ); |
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297 NewStreamL( *(stream.Sink()), aMessage ); |
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298 break; |
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299 } |
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300 |
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301 case EMenuGetItemsFiltered: |
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302 { |
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303 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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304 TInt folder = aMessage.Int0(); |
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305 TBool recursive = aMessage.Int1(); |
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306 TInt bufHandle = aMessage.Int2(); |
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307 RArray<TMenuItem> items; |
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308 CleanupClosePushL( items ); |
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309 MStreamBuf& buf = StreamL( bufHandle ).Host(); |
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310 RReadStream rs( &buf ); |
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311 CMenuFilter* filter = CMenuFilter::NewLC(); |
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312 filter->InternalizeL( rs ); |
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313 TMenuSrvObjectFilter engFilter( *filter ); |
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314 iSharedEng->Engine().GetItemsL |
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315 ( items, folder, &engFilter, recursive ); |
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316 CleanupStack::PopAndDestroy( filter ); |
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317 RWriteStream stream( &buf ); |
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318 MenuUtil::ExternalizeL( items, stream ); |
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319 stream.CommitL(); |
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320 CleanupStack::PopAndDestroy( &items ); |
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321 break; |
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322 } |
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323 |
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324 case EMenuGetListSize: |
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325 { |
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326 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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327 TInt deslen = aMessage.GetDesLength( KGetListDescriptorPos ); |
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328 HBufC8* buffer = HBufC8::NewLC( deslen ); |
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329 TPtr8 tempDes = buffer->Des( ); |
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330 aMessage.Read( KGetListDescriptorPos, tempDes ); |
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331 TInt size = iSharedEng->GetListSizeL( *buffer ); |
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332 TPckg<TInt> sizeDes( size ); |
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333 aMessage.WriteL( KGetListReturnPos, sizeDes ); |
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334 CleanupStack::PopAndDestroy( buffer ); |
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335 break; |
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336 } |
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337 |
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338 case EMenuGetListData: |
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339 { |
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340 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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341 aMessage.WriteL( KGetListDescriptorPos, |
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342 iSharedEng->GetListDataL() ); |
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343 iSharedEng->CloseOutputBuffer(); |
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344 break; |
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345 } |
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346 |
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347 |
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348 case EMenuItemGetAttribute: |
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349 { |
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350 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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351 TInt id = aMessage.Int0(); |
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352 RBuf name; |
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353 name.CreateL( aMessage.GetDesLengthL( KParamIndAttrName ) ); |
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354 CleanupClosePushL( name ); |
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355 aMessage.ReadL( KParamIndAttrName, name ); |
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356 TPckgBuf<TBool> attrExistsBuf; |
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357 TBool attrExists(EFalse); |
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358 RBuf attrVal; |
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359 attrVal.CleanupClosePushL(); |
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360 attrVal.CreateL(KMenuMaxAttrValueLen); |
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361 iSharedEng->GetAttributeL( id, name, attrExists, attrVal); |
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362 attrExistsBuf() = attrExists; |
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363 aMessage.WriteL( KParamIndAttrEx, attrExistsBuf ); |
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364 |
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365 if ( attrExists ) |
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366 { |
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367 aMessage.WriteL( KParamIndAttrVal, attrVal ); |
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368 } |
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369 CleanupStack::PopAndDestroy( &attrVal ); |
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370 CleanupStack::PopAndDestroy( &name ); |
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371 break; |
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372 } |
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373 |
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374 case EMenuItemGetAttributeList: |
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375 { |
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376 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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377 TInt id = aMessage.Int0(); |
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378 TInt bufHandle = aMessage.Int2(); |
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379 HMenuSrvBuf* streamBuf = HMenuSrvBuf::NewLC(); |
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380 RWriteStream ws( streamBuf ); |
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381 RArray<TPtrC> attributeList; |
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382 CleanupClosePushL(attributeList); |
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383 |
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384 iSharedEng->GetAttributeListL( id, attributeList ); |
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385 |
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386 for ( TInt ndx = 0; ndx < attributeList.Count(); ndx++ ) |
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387 { |
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388 TPtrC name; |
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389 name.Set( attributeList[ndx] ); |
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390 ws.WriteInt32L( name.Length() ); |
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391 ws.WriteL( name ); |
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392 } |
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393 ws.WriteInt32L( 0 ); |
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394 ws.CommitL(); |
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395 |
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396 CleanupStack::PopAndDestroy(&attributeList); |
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397 CleanupStack::Pop( streamBuf ); |
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398 NewStreamL( *(ws.Sink()), aMessage ); |
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399 |
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400 break; |
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401 } |
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402 |
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403 case EMenuNotifierClose: |
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404 { |
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405 TInt handle = aMessage.Int3(); |
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406 NotifierL( handle ); // Check that handle is valid. |
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407 iNotifierIx->Remove( handle ); |
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408 break; |
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409 }; |
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410 |
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411 case EMenuNotifierOpen: |
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412 { |
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413 NewNotifierL( aMessage ); |
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414 break; |
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415 } |
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416 |
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417 case EMenuNotifierNotify: |
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418 { |
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419 TInt handle = aMessage.Int3(); |
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420 CMenuSrvNotifier& notifier( NotifierL( handle ) ); |
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421 notifier.NotifyL( aMessage.Int0(), aMessage.Int1(), aMessage ); |
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422 // No leaving after this point! |
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423 return ETrue; // Async request -> the object will complete it. |
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424 } |
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425 |
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426 case EMenuNotifierNotifyCancel: |
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427 { |
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428 TInt handle = aMessage.Int3(); |
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429 NotifierL( handle ).Cancel(); |
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430 break; |
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431 } |
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432 |
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433 default: |
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434 { |
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435 serviced = EFalse; |
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436 break; |
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437 } |
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438 } |
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439 if( serviced ) |
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440 { |
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441 aMessage.Complete( KErrNone );// Sync request -> complete it now. |
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442 } |
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443 return serviced; |
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444 } |
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445 |
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446 // --------------------------------------------------------- |
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447 // CMenuSrvSession::ServiceCapWriteL |
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448 // Handles functions with write device data capability |
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449 // --------------------------------------------------------- |
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450 // |
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451 TBool CMenuSrvSession::ServiceCapWriteL( const RMessage2& aMessage ) |
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452 { |
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453 TBool serviced = ETrue; |
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454 switch( aMessage.Function() ) |
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455 { |
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456 case EMenuOperationClose: |
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457 { |
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458 TInt handle = aMessage.Int3(); |
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459 OperationL( handle ); // Check that handle is valid. |
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460 iOperationIx->Remove( handle ); |
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461 break; |
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462 }; |
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463 |
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464 case EMenuOperationCreateRemove: |
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465 { |
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466 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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467 CMenuSrvOperation* op = new (ELeave) CMenuSrvRemoveOperation |
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468 ( iSharedEng->Engine(), aMessage.Int0() ); |
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469 AddOperationL( op, aMessage ); // Ownership taken before adding. |
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470 break; |
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471 } |
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472 |
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473 case EMenuOperationCreateMoveToFolder: |
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474 { |
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475 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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476 TInt bufHandle = aMessage.Int0(); |
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477 MStreamBuf& buf = StreamL( bufHandle ).Host(); |
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478 RReadStream rs( &buf ); |
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479 CMenuSrvOperation* op = CMenuSrvMoveToFolderOperation::NewL |
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480 ( iSharedEng->Engine(), rs, aMessage.Int1(), aMessage.Int2() ); |
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481 AddOperationL( op, aMessage ); // Ownership taken before adding. |
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482 break; |
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483 } |
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484 |
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485 case EMenuOperationCreateReorder: |
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486 { |
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487 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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488 CMenuSrvOperation* op = new (ELeave) CMenuSrvReorderOperation |
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489 ( iSharedEng->Engine(), aMessage.Int0(), aMessage.Int1() ); |
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490 AddOperationL( op, aMessage ); // Ownership taken before adding. |
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491 break; |
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492 } |
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493 |
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494 case EMenuOperationCreateAdd: |
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495 { |
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496 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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497 TBuf<KMenuMaxTypeLen> type; |
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498 __ASSERT_ALWAYS( aMessage.GetDesLength( 0 ) <= type.MaxLength(), \ |
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499 User::Leave( KErrBadDescriptor ) ); // Panic the client. |
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500 aMessage.ReadL( 0, type ); |
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501 TInt bufHandle = aMessage.Int1(); |
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502 MStreamBuf& buf = StreamL( bufHandle ).Host(); |
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503 RReadStream rs( &buf ); |
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504 CMenuSrvAddOperation* op = CMenuSrvAddOperation::NewL |
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505 ( iSharedEng->Engine(), type, rs ); |
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506 CleanupStack::PushL( op ); // Leaving calls before AddOperationL. |
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507 // Send the ID back. Object not yet added to engine! |
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508 TPckgBuf<TInt> id; |
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509 id() = op->ObjectId(); |
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510 __ASSERT_DEBUG( id(), User::Invariant() ); // We must have the ID already! |
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511 aMessage.WriteL( 2, id ); |
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512 CleanupStack::Pop( op ); |
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513 AddOperationL( op, aMessage ); // Ownership taken before adding. |
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514 break; |
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515 } |
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516 |
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517 case EMenuOperationCreateUpdate: |
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518 { |
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519 __ASSERT_ALWAYS( iSharedEng, PanicClientL( aMessage ) ); |
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520 TInt bufHandle = aMessage.Int1(); |
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521 MStreamBuf& buf = StreamL( bufHandle ).Host(); |
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522 RReadStream rs( &buf ); |
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523 CMenuSrvOperation* op = CMenuSrvUpdateOperation::NewL |
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524 ( iSharedEng->Engine(), aMessage.Int0(), rs ); |
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525 AddOperationL( op, aMessage ); // Ownership taken before adding. |
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526 break; |
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527 } |
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528 |
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529 case EMenuOperationCancel: |
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530 { |
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531 TInt handle = aMessage.Int3(); |
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532 OperationL( handle ).Cancel(); |
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533 break; |
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534 } |
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535 |
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536 case EMenuOperationStart: |
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537 { |
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538 TInt handle = aMessage.Int3(); |
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539 OperationL( handle ).StartL( aMessage ); |
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540 // No leaving after this point! |
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541 return ETrue; // Async request -> the object will complete it. |
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542 } |
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543 default: |
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544 { |
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545 serviced = EFalse; |
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546 break; |
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547 } |
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548 } |
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549 if( serviced ) |
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550 { |
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551 aMessage.Complete( KErrNone );// Sync request -> complete it now. |
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552 } |
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553 return serviced; |
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554 } |
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555 |
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556 // --------------------------------------------------------- |
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557 // CMenuSrvSession::ServiceError |
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558 // --------------------------------------------------------- |
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559 // |
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560 void CMenuSrvSession::ServiceError( const RMessage2& aMessage, TInt aError ) |
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561 { |
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562 // A bad descriptor / bad handle error implies a badly programmed client, |
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563 // so panic it; otherwise use the default handling (report the error to |
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564 // the client). |
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565 if ( aError == KErrBadDescriptor || aError == KErrBadHandle ) |
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566 { |
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567 aMessage.Panic( KMenuSrvName, aError ); |
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568 } |
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569 if ( aError == KErrNoMemory ) |
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570 { |
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571 iSharedEng->CloseOutputBuffer(); |
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572 iSharedEng->CleanAttributeCache(); |
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573 } |
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574 CSession2::ServiceError( aMessage, aError ); |
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575 } |
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576 |
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577 // --------------------------------------------------------- |
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578 // CMenuSrvSession::EngineEvents |
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579 // --------------------------------------------------------- |
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580 // |
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581 void CMenuSrvSession::EngineEvents( TInt aFolder, TInt aEvents ) |
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582 { |
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583 for ( TInt i = 0; i < iNotifierIx->Count(); i++ ) |
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584 { |
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585 CMenuSrvNotifier* notif = (CMenuSrvNotifier*)(*iNotifierIx)[i]; |
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586 notif->HandleEvents( aFolder, aEvents ); |
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587 } |
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588 } |
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589 |
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590 // --------------------------------------------------------- |
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591 // CMenuSrvSession::EngineError |
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592 // --------------------------------------------------------- |
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593 // |
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594 void CMenuSrvSession::EngineError( TInt /*aErr*/ ) |
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595 { |
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596 // Unrecoverable engine error. The engine is dead and will be deleted. |
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597 // This session has already been removed from the shared engine's list. |
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598 // This session became useless now; it rejects all messages and is |
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599 // waiting to be closed. |
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600 iSharedEng = NULL; |
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601 iEngineDead = ETrue; |
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602 } |
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603 // --------------------------------------------------------- |
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604 // CMenuSrvSession::NewStreamL |
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605 // --------------------------------------------------------- |
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606 // |
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607 void CMenuSrvSession::NewStreamL |
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608 ( MStreamBuf& aHost, const RMessage2& aMessage ) |
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609 { |
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610 aHost.PushL(); |
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611 TInt len = Min( aHost.SizeL(), KMenuStreamBufSize ); |
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612 if ( len ) |
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613 { |
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614 // We already have some data; send it. |
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615 TPckgBuf<TMenuBuf> buf; |
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616 aHost.ReadL( buf().iData, len ); |
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617 buf().iLen = len; |
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618 aMessage.WriteL( KParamIndBuf, buf ); |
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619 } |
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620 // Create the stream, it takes ownership of aHost. |
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621 CMenuSrvStream* obj = new (ELeave) CMenuSrvStream( aHost ); |
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622 CleanupStack::Pop( &aHost ); |
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623 CleanupStack::PushL( obj ); |
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624 iObjectCon->AddL( obj ); |
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625 TInt handle = iStreamIx->AddL( obj ); |
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626 CleanupStack::Pop( obj ); // Now we manage the stream by handle. |
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627 TPckgC<TInt> handlePckg( handle ); |
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628 TInt err = aMessage.Write( KParamIndStream, handlePckg ); |
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629 if ( err ) |
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630 { |
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631 iStreamIx->Remove( handle ); |
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632 User::Leave( err ); |
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633 } |
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634 } |
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635 |
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636 // --------------------------------------------------------- |
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637 // CMenuSrvSession::StreamL |
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638 // --------------------------------------------------------- |
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639 // |
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640 CMenuSrvStream& CMenuSrvSession::StreamL( TInt aHandle ) |
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641 { |
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642 CMenuSrvStream* obj = (CMenuSrvStream*)iStreamIx->AtL( aHandle ); |
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643 if ( !obj ) |
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644 { |
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645 User::Leave( KErrBadHandle ); |
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646 } |
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647 return *obj; |
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648 } |
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649 |
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650 // --------------------------------------------------------- |
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651 // CMenuSrvSession::AddOperationL |
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652 // --------------------------------------------------------- |
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653 // |
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654 void CMenuSrvSession::AddOperationL |
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655 ( CMenuSrvOperation* aOperation, const RMessage2& aMessage ) |
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656 { |
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657 CleanupStack::PushL( aOperation ); |
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658 iObjectCon->AddL( aOperation ); |
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659 TInt handle = iOperationIx->AddL( aOperation ); |
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660 CleanupStack::Pop( aOperation ); // Now we manage the operation by handle. |
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661 TPckgC<TInt> handlePckg( handle ); |
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662 TInt err = aMessage.Write( KParamIndOp, handlePckg ); |
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663 if ( err ) |
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664 { |
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665 iOperationIx->Remove( handle ); // Deletes the operation. |
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666 User::Leave( err ); |
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667 } |
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668 } |
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669 |
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670 // --------------------------------------------------------- |
|
671 // CMenuSrvSession::OperationL |
|
672 // --------------------------------------------------------- |
|
673 // |
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674 CMenuSrvOperation& CMenuSrvSession::OperationL( TInt aHandle ) |
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675 { |
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676 CMenuSrvOperation* obj = (CMenuSrvOperation*)iOperationIx->AtL( aHandle ); |
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677 if ( !obj ) |
|
678 { |
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679 User::Leave( KErrBadHandle ); |
|
680 } |
|
681 return *obj; |
|
682 } |
|
683 |
|
684 // --------------------------------------------------------- |
|
685 // CMenuSrvSession::NewNotifierL |
|
686 // --------------------------------------------------------- |
|
687 // |
|
688 void CMenuSrvSession::NewNotifierL( const RMessage2& aMessage ) |
|
689 { |
|
690 CMenuSrvNotifier* obj = new (ELeave) CMenuSrvNotifier; |
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691 CleanupStack::PushL( obj ); |
|
692 iObjectCon->AddL( obj ); |
|
693 TInt handle = iNotifierIx->AddL( obj ); |
|
694 CleanupStack::Pop( obj ); // Now we manage the notifier by handle. |
|
695 TPckgC<TInt> handlePckg( handle ); |
|
696 TInt err = aMessage.Write( KParamIndNotif, handlePckg ); |
|
697 if ( err ) |
|
698 { |
|
699 iNotifierIx->Remove( handle ); |
|
700 User::Leave( err ); |
|
701 } |
|
702 } |
|
703 |
|
704 // --------------------------------------------------------- |
|
705 // CMenuSrvSession::NotifierL |
|
706 // --------------------------------------------------------- |
|
707 // |
|
708 CMenuSrvNotifier& CMenuSrvSession::NotifierL( TInt aHandle ) |
|
709 { |
|
710 CMenuSrvNotifier* obj = (CMenuSrvNotifier*)iNotifierIx->AtL( aHandle ); |
|
711 if ( !obj ) |
|
712 { |
|
713 User::Leave( KErrBadHandle ); |
|
714 } |
|
715 return *obj; |
|
716 } |
|
717 |
|
718 // --------------------------------------------------------- |
|
719 // CMenuSrvSession::PanicClientL |
|
720 // --------------------------------------------------------- |
|
721 // |
|
722 void CMenuSrvSession::PanicClientL( const RMessage2& aMessage ) |
|
723 { |
|
724 // Client error. Panic client and leave. |
|
725 // Use an error code (KErrGeneral) which does not cause ServiceError |
|
726 // to panic the client again! |
|
727 aMessage.Panic( KMenuSrvName, KErrGeneral ); |
|
728 User::Leave( KErrGeneral ); |
|
729 } |
|
730 |
|
731 // End of File |