author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 10 Sep 2009 14:01:51 +0300 | |
changeset 8 | 35751d3474b7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* RUpsManagement implementation. See class and function definitions |
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* for more detail. |
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* |
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*/ |
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/** |
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@file |
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*/ |
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#include <ups/upsclient.h> |
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#include <s32mem.h> |
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#include "upscommon.h" |
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#include <scs/nullstream.h> |
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namespace UserPromptService |
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{ |
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EXPORT_C RUpsManagement::RUpsManagement() |
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/** |
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This constructor provides a single point of definition from |
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which the superclass constructor is called. |
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*/ |
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: RScsClientBase(), iCreateViewFilterBuf(), iMatchLengthBuf() |
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{ |
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iMatchLengthBuf() = 0; |
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} |
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EXPORT_C TInt RUpsManagement::Connect() |
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/** |
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Connect to the UPS server. |
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@return Symbian OS error code where KErrNone indicates |
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success and any other value indicates failure. |
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*/ |
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{ |
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TVersion v = UserPromptService::Version(); |
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TUidType serverFullUid = UserPromptService::ServerImageFullUid(); |
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TInt r = RScsClientBase::Connect( |
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UserPromptService::KUpsServerName, v, UserPromptService::KServerImageName, serverFullUid); |
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return r; |
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} |
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EXPORT_C void RUpsManagement::Close() |
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/** |
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Cleanup and call RScsClientBase::Close |
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*/ |
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{ |
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RScsClientBase::Close(); |
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} |
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EXPORT_C void RUpsManagement::DeleteDatabaseL() |
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/** |
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Deletes all stored UPS decisions. |
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@capability WriteDeviceData |
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*/ |
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{ |
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User::LeaveIfError(CallSessionFunction(EDeleteDatabase)); |
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} |
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EXPORT_C void RUpsManagement::CreateView(const CDecisionFilter& aFilter, TRequestStatus &aStatus) |
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/** |
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Creates a view for records which match the supplied CDecisionFilter. |
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If the CDecisionFilter is created using the constructor which specifies all fields (or all fields are set), then an exact match will be |
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searched for. |
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If the CDecisionFilter is created without parameters, then any fields which are not set will match any record. |
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Only one view can be active in a single RUpsManagement session at any one time. |
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Simultaneous database updates, either from this management session, another session or the main UPS |
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operation may cause the query to be aborted with KErrAbort. |
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When you are finished with the view you should call CancelAndCloseView (otherwise you |
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will not be able to create a new view). |
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@param aFilter Specifies the filter to be matched. |
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@capability ReadDeviceData |
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*/ |
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{ |
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aStatus = KRequestPending; |
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TRAPD(err, |
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RNullWriteStream nullstream; |
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nullstream << aFilter; |
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nullstream.CommitL(); |
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TInt bytesWritten = nullstream.BytesWritten(); |
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iCreateViewFilterBuf.Close(); |
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107 |
iCreateViewFilterBuf.CreateL(bytesWritten); |
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|
108 |
|
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109 |
// Arg 0 - The CDecisionFilter |
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// Externalize to iCreateViewFilterBuf |
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111 |
RDesWriteStream desstream(iCreateViewFilterBuf); |
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112 |
CleanupClosePushL(desstream); |
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113 |
desstream << aFilter; |
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desstream.CommitL(); |
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CleanupStack::PopAndDestroy(&desstream); |
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116 |
|
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// Arg 1 - TUint32 length of first match returned by server |
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118 |
// Server writes into iMatchLengthBuf |
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119 |
CallSessionFunction(ECreateView, TIpcArgs(&iCreateViewFilterBuf, &iMatchLengthBuf), aStatus); |
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120 |
); |
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121 |
if(err != KErrNone) |
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122 |
{ |
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123 |
TRequestStatus *rs = &aStatus; |
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124 |
User::RequestComplete(rs, err); |
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125 |
} |
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126 |
} |
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127 |
|
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128 |
EXPORT_C CDecisionRecord *RUpsManagement::NextMatchL() |
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129 |
/** |
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130 |
Returns the next matching record in the view created with CreateViewL. |
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131 |
|
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132 |
Simultaneous database updates, either from this management session, another session or the main UPS |
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133 |
operation may cause the query to be aborted with KErrAbort. |
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134 |
|
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135 |
When you are finished with the view you should call CancelAndCloseView. |
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136 |
|
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@return record ptr, or 0 if there are no more matching records. Leaves for other errors. |
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138 |
|
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139 |
@capability ReadDeviceData |
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140 |
*/ |
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141 |
{ |
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142 |
if(iMatchLengthBuf() == 0) |
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143 |
{ |
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144 |
return 0; // No more matches |
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145 |
} |
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146 |
|
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CDecisionRecord *record = CDecisionRecord::NewLC(); |
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148 |
|
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149 |
// Arg 0 - The CDecisionRecord buffer |
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150 |
RBuf8 buf; |
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151 |
CleanupClosePushL(buf); |
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buf.CreateL(iMatchLengthBuf()); |
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153 |
|
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154 |
// Arg 1 - TUint32 length of next match |
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155 |
|
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156 |
User::LeaveIfError(CallSessionFunction(ENextMatch, TIpcArgs(&buf, &iMatchLengthBuf))); |
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157 |
|
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158 |
RDesReadStream readStream(buf); |
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159 |
CleanupClosePushL(readStream); |
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160 |
|
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161 |
readStream >> *record; |
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162 |
|
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163 |
CleanupStack::PopAndDestroy(&readStream); |
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164 |
CleanupStack::PopAndDestroy(&buf); |
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165 |
CleanupStack::Pop(record); |
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166 |
return record; |
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167 |
} |
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|
168 |
|
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169 |
EXPORT_C void RUpsManagement::CancelAndCloseView() |
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170 |
/** |
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171 |
Close down a view. This can also be used to cancel an outstanding CreateView request. |
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|
172 |
|
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173 |
@capability ReadDeviceData |
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174 |
*/ |
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175 |
{ |
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|
176 |
CancelSessionFunction(ECreateView); |
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|
177 |
(void) CallSessionFunction(ECloseView); |
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|
178 |
iCreateViewFilterBuf.Close(); |
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|
179 |
iMatchLengthBuf() = 0; |
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180 |
} |
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|
181 |
|
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|
182 |
EXPORT_C void RUpsManagement::RemoveDecisionsL(const CDecisionFilter& aFilter) |
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183 |
/** |
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184 |
Removes all records which match the supplied CDecisionFilter. |
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|
185 |
|
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186 |
The filter can match/delete multiple records in one operation. |
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|
187 |
|
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188 |
@param aFilter Specifies the records to be deleted. |
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|
189 |
|
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190 |
@capability WriteDeviceData |
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|
191 |
*/ |
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192 |
{ |
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193 |
// Calculate the buffer length required to represent the filter object |
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|
194 |
RNullWriteStream nullstream; |
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|
195 |
nullstream << aFilter; |
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|
196 |
nullstream.CommitL(); |
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|
197 |
TInt bytesWritten = nullstream.BytesWritten(); |
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|
198 |
|
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|
199 |
// Create buffer for filter |
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|
200 |
RBuf8 filterBuf; |
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|
201 |
CleanupClosePushL(filterBuf); |
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|
202 |
filterBuf.CreateL(bytesWritten); |
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|
203 |
|
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|
204 |
// Arg 0 - The CDecisionFilter |
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205 |
// Externalize to iCreateViewFilterBuf |
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|
206 |
RDesWriteStream desstream(filterBuf); |
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207 |
CleanupClosePushL(desstream); |
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|
208 |
desstream << aFilter; |
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|
209 |
desstream.CommitL(); |
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|
210 |
CleanupStack::PopAndDestroy(&desstream); |
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|
211 |
|
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|
212 |
User::LeaveIfError(CallSessionFunction(ERemoveDecisions, TIpcArgs(&filterBuf))); |
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CleanupStack::PopAndDestroy(&filterBuf); |
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} |
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EXPORT_C void RUpsManagement::UpdateDecision(TUint32 aRecordId, TBool aAllow, TRequestStatus &aStatus) |
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/** |
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Updates the single record which matches the unique record ID. |
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This API ONLY updates the CDecisionRecord result field. The only legal values are ETrue (always) or EFalse (never) |
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@param aRecordId Specifies the single record to update. |
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@param aAllow Allow or reject the request. |
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@capability AllFiles |
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*/ |
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{ |
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TIpcArgs args(aRecordId, aAllow); |
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CallSessionFunction(EUpdateDecision, args, aStatus); |
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} |
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EXPORT_C void RUpsManagement::CancelUpdateDecision() |
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/** |
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Cancel an outstanding UpdateDecision request. |
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Normally this will not be used because an UpdateDecision call will complete very quickly, but |
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internally the request is asynchronous and exposing the cancel API allows the cancel code path |
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to be tested. |
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@capability AllFiles |
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*/ |
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{ |
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CancelSessionFunction(EUpdateDecision); |
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} |
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EXPORT_C void RUpsManagement::DeleteDecisionsForExeL(const TSecureId& aExeSid) |
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/** |
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Delete all decisions in the database for the specified executable. |
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@param aExeSid The SID of the executable which has been deleted. |
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@capability SWI observer plugin SID only |
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*/ |
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{ |
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User::LeaveIfError(CallSessionFunction(EDeleteDecisionsForExe, TIpcArgs(aExeSid.iId))); |
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} |
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EXPORT_C void RUpsManagement::NotifyPluginsMayHaveChangedL() |
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/** |
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Notify the UPS that an ECOM plugin has been installed somewhere, which may be an evaluator. |
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The UPS will reload all ECOM plugins ASAP. |
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@capability SWI observer plugin SID only |
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*/ |
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{ |
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User::LeaveIfError(CallSessionFunction(ENotifyPluginsMayHaveChanged)); |
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} |
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EXPORT_C void RUpsManagement::NotifyPolicyFilesChanged(TRequestStatus &aStatus) |
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/** |
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Policy files have been added, changed or deleted. |
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The UPS server will rebuild its policy file cache and delete decisions which relate to policy files |
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which are no longer active (ie. have been deleted, or eclipsed by a policy file with a different |
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major version number). |
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@capability SWI observer plugin SID only |
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*/ |
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{ |
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TIpcArgs args; |
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CallSessionFunction(ENotifyPolicyFilesChanged, args, aStatus); |
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} |
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EXPORT_C void RUpsManagement::CancelNotifyPolicyFilesChanged() |
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/** |
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Cancel a previous call to NotifyPolicyFilesChanged. |
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Normally this functions should not be used, it is only present for testing the handling |
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of abnormal events. |
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@capability SWI observer plugin SID only |
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*/ |
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{ |
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CancelSessionFunction(ENotifyPolicyFilesChanged); |
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} |
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} // End of namespace UserPromptService |
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// End of file |
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