Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/dummy__restore__statepolicy_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/AppFramework/ssmanager/policies/sysstates/dummy_restore_statepolicy.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/AppFramework/ssmanager/policies/sysstates/dummy_restore_statepolicy.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
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<a name="l00002"></a>00002 <span class="comment">// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00003"></a>00003 <span class="comment">// All rights reserved.</span>
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<a name="l00004"></a>00004 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00005"></a>00005 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00006"></a>00006 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00007"></a>00007 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00008"></a>00008 <span class="comment">//</span>
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<a name="l00009"></a>00009 <span class="comment">// Initial Contributors:</span>
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<a name="l00010"></a>00010 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00011"></a>00011 <span class="comment">//</span>
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<a name="l00012"></a>00012 <span class="comment">// Contributors:</span>
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<a name="l00013"></a>00013 <span class="comment">//</span>
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<a name="l00014"></a>00014 <span class="comment">// Description: A dummy restore state policy is provided with the system state manager</span>
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<a name="l00015"></a>00015 <span class="comment">// example code which demonstrates the various utilities of SSM framework.</span>
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<a name="l00016"></a>00016 <span class="comment">//</span>
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<a name="l00017"></a>00017 
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<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;ssm/ssmcommandlist.h&gt;</span>
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<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;ssm/ssmpublishsystemstateinfo.h&gt;</span>
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<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;ssm/ssmcommandfactory.h&gt;</span>
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<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;ssm/ssmstartupproperties.h&gt;</span>
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<a name="l00036"></a>00036 <span class="preprocessor">#include &quot;dummy_restore_statepolicy.h&quot;</span>
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<a name="l00037"></a>00037 
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<a name="l00038"></a>00038 
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<a name="l00044"></a>00044 EXPORT_C MSsmStatePolicy* CSsmDummyRestoreStatePolicy::NewL()
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<a name="l00045"></a>00045         {
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<a name="l00046"></a>00046         CSsmDummyRestoreStatePolicy* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) CSsmDummyRestoreStatePolicy;
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<a name="l00047"></a>00047         CleanupStack::PushL(<span class="keyword">self</span>);
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<a name="l00048"></a>00048         CleanupStack::Pop(<span class="keyword">self</span>);
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<a name="l00049"></a>00049         <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00050"></a>00050         }
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<a name="l00051"></a>00051  
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<a name="l00055"></a>00055 CSsmDummyRestoreStatePolicy::CSsmDummyRestoreStatePolicy()
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<a name="l00056"></a>00056         {
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<a name="l00057"></a>00057         }
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<a name="l00058"></a>00058 
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<a name="l00062"></a>00062 CSsmDummyRestoreStatePolicy::~CSsmDummyRestoreStatePolicy()
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<a name="l00063"></a>00063         {
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<a name="l00064"></a>00064         <span class="keyword">delete</span> iCommandList;
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<a name="l00065"></a>00065         }
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<a name="l00066"></a>00066 
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<a name="l00070"></a>00070 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::Initialize(TRequestStatus&amp; aStatus)
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<a name="l00071"></a>00071         {
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<a name="l00072"></a>00072         TRequestStatus* rs = &amp;aStatus;
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<a name="l00073"></a>00073         User::RequestComplete(rs, KErrNone);
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<a name="l00074"></a>00074         }
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<a name="l00075"></a>00075 
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<a name="l00079"></a>00079 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::InitializeCancel()
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<a name="l00080"></a>00080         {
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<a name="l00081"></a>00081         }
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<a name="l00082"></a>00082 
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<a name="l00088"></a>00088 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::Release()
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<a name="l00089"></a>00089         {
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<a name="l00090"></a>00090         <span class="keyword">delete</span> <span class="keyword">this</span>;
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<a name="l00091"></a>00091         }
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<a name="l00092"></a>00092 
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<a name="l00106"></a>00106 MSsmStatePolicy::TResponse CSsmDummyRestoreStatePolicy::TransitionAllowed(<span class="keyword">const</span> TSsmStateTransition&amp; <span class="comment">/*aRequest*/</span>, TSsmStateTransition <span class="keyword">const</span>* <span class="comment">/*aCurrent*/</span>, TSsmStateTransition <span class="keyword">const</span>* <span class="comment">/*aQueued*/</span>, <span class="keyword">const</span> RMessagePtr2&amp; <span class="comment">/*aMessage*/</span>)
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<a name="l00107"></a>00107         {
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<a name="l00108"></a>00108         <span class="keywordflow">return</span> EDefinitelyAllowed;
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<a name="l00109"></a>00109         }
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<a name="l00110"></a>00110 
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<a name="l00119"></a>00119 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::PrepareCommandList(TSsmState aState, TInt <span class="comment">/*aReason*/</span>, TRequestStatus&amp; aStatus)
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<a name="l00120"></a>00120         {       
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<a name="l00121"></a>00121         TRAPD(err, doPrepareCommandListL(aState));
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<a name="l00122"></a>00122         TRequestStatus* rs = &amp;aStatus;
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<a name="l00123"></a>00123         User::RequestComplete(rs, err);
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<a name="l00124"></a>00124         } 
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<a name="l00125"></a>00125 
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<a name="l00126"></a>00126 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::doPrepareCommandListL(TSsmState aState)
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<a name="l00127"></a>00127         {
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<a name="l00128"></a>00128         <span class="comment">// Reset the command list</span>
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<a name="l00129"></a>00129         <span class="keyword">delete</span> iCommandList;
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<a name="l00130"></a>00130         iCommandList = NULL;
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<a name="l00131"></a>00131         iCommandList = CSsmCommandList::NewL();
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<a name="l00132"></a>00132         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KProcessName, <span class="stringliteral">&quot;dummybackup.exe&quot;</span>);
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<a name="l00133"></a>00133         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KNullDesc, <span class="stringliteral">&quot;&quot;</span>);
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<a name="l00134"></a>00134         <span class="comment">// Start a process from your command list.</span>
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<a name="l00135"></a>00135         CSsmStartupProperties* startupProperties = CSsmStartupProperties::NewL(KProcessName,KNullDesc);
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<a name="l00136"></a>00136         CleanupStack::PushL(startupProperties);
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<a name="l00137"></a>00137         TSsmPublishSystemStateInfo info;
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<a name="l00138"></a>00138         TInt16 retries =0;<span class="comment">//Number of retries for this System State is given as &#39;0&#39;</span>
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<a name="l00139"></a>00139         info.Set(aState, ETraverseParentsFirst, retries); 
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<a name="l00140"></a>00140         <span class="comment">// Create a command to publish Restore System State.</span>
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<a name="l00141"></a>00141         MSsmCommand* cmd1 = SsmCommandFactory::ConstructPublishSystemStateCommandLC(ECmdCriticalSeverity, ESsmWaitForSignal, info);
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<a name="l00142"></a>00142         <span class="comment">// Construct a command which will start a process</span>
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<a name="l00143"></a>00143         MSsmCommand* cmd2 = SsmCommandFactory::ConstructStartProcessCommandLC(ECmdCriticalSeverity,startupProperties);
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<a name="l00144"></a>00144         iCommandList-&gt;AppendL(cmd1);
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<a name="l00145"></a>00145         iCommandList-&gt;AppendL(cmd2);
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<a name="l00146"></a>00146         CleanupStack::Pop(2); <span class="comment">// Pops the above cmd1 and cmd2 from the stack.</span>
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<a name="l00147"></a>00147         CleanupStack::PopAndDestroy(startupProperties); 
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<a name="l00148"></a>00148         }
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<a name="l00149"></a>00149 
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<a name="l00155"></a>00155 <span class="keywordtype">void</span> CSsmDummyRestoreStatePolicy::PrepareCommandListCancel()
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<a name="l00156"></a>00156         {
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<a name="l00157"></a>00157         <span class="keyword">delete</span> iCommandList;
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<a name="l00158"></a>00158         iCommandList = NULL;
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<a name="l00159"></a>00159         }
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<a name="l00160"></a>00160 
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<a name="l00166"></a>00166 CSsmCommandList* CSsmDummyRestoreStatePolicy::CommandList()
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<a name="l00167"></a>00167         {
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<a name="l00168"></a>00168         CSsmCommandList* list = iCommandList;
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<a name="l00169"></a>00169         iCommandList = NULL;
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<a name="l00170"></a>00170         <span class="keywordflow">return</span> list;
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<a name="l00171"></a>00171         }
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<a name="l00172"></a>00172 
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<a name="l00184"></a>00184 TBool CSsmDummyRestoreStatePolicy::GetNextState(TSsmState <span class="comment">/*aCurrentTransition*/</span>, TInt <span class="comment">/*aReason*/</span>, TInt <span class="comment">/*aError*/</span>, TInt <span class="comment">/*aSeverity*/</span>, TSsmState&amp; <span class="comment">/*aNextState*/</span>)
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<a name="l00185"></a>00185         {
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<a name="l00186"></a>00186         <span class="keywordflow">return</span> EFalse;
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<a name="l00187"></a>00187         } 
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>