Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/dummy__backup__statepolicy_8h_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/AppFramework/ssmanager/policies/sysstates/dummy_backup_statepolicy.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00003"></a>00003 <span class="comment">// All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00005"></a>00005 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00006"></a>00006 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00007"></a>00007 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Initial Contributors:</span>
<a name="l00010"></a>00010 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// Contributors:</span>
<a name="l00013"></a>00013 <span class="comment">//</span>
<a name="l00014"></a>00014 <span class="comment">// Description: A dummy backup state policy is provided to demonstrate the system state</span>
<a name="l00015"></a>00015 <span class="comment">// manager framework.</span>
<a name="l00016"></a>00016 <span class="comment">//</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef _DUMMY_BACKUP_STATEPOLICY_H__</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define _DUMMY_BACKUP_STATEPOLICY_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <e32base.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <f32file.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <ssm/ssmstatepolicy.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <ssm/ssmstate.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <ssm/ssmconditionalcallback.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <ssm/ssmstatetransition.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">// Forward declaration</span>
<a name="l00030"></a>00030 <span class="keyword">class </span>CSsmCommandListResourceReader;
<a name="l00031"></a>00031
<a name="l00038"></a>00038 NONSHARABLE_CLASS(CSsmDummyBackUpStatePolicy) : public CBase, public MSsmStatePolicy, public MSsmConditionalCallback
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">public</span>:
<a name="l00041"></a>00041 IMPORT_C <span class="keyword">static</span> MSsmStatePolicy* NewL();
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">//from MSsmStatePolicy</span>
<a name="l00044"></a>00044 <span class="keywordtype">void</span> Initialize(TRequestStatus& aStatus);
<a name="l00045"></a>00045 <span class="keywordtype">void</span> InitializeCancel();
<a name="l00046"></a>00046 <span class="keywordtype">void</span> Release();
<a name="l00047"></a>00047 TResponse TransitionAllowed(<span class="keyword">const</span> TSsmStateTransition& aRequest, TSsmStateTransition <span class="keyword">const</span>* aCurrent, TSsmStateTransition <span class="keyword">const</span>* aQueued, <span class="keyword">const</span> RMessagePtr2& aMessage);
<a name="l00048"></a>00048 <span class="keywordtype">void</span> PrepareCommandList(TSsmState aState, TInt aReason, TRequestStatus& aStatus);
<a name="l00049"></a>00049 <span class="keywordtype">void</span> PrepareCommandListCancel();
<a name="l00050"></a>00050 CSsmCommandList* CommandList();
<a name="l00051"></a>00051 TBool GetNextState(TSsmState aCurrentTransition, TInt aReason, TInt aError, TInt aSeverity, TSsmState& aNextState);
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">//from MSsmConditionalCallback</span>
<a name="l00054"></a>00054 TBool ConditionalCommandAllowedL(CResourceFile& aResourceFile, TInt aResourceId);
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">private</span>:
<a name="l00057"></a>00057 <span class="keywordtype">void</span> ConstructL();
<a name="l00058"></a>00058 <span class="comment">//from CBase</span>
<a name="l00059"></a>00059 CSsmDummyBackUpStatePolicy();
<a name="l00060"></a>00060 ~CSsmDummyBackUpStatePolicy();
<a name="l00061"></a>00061 TBool TransitionSupported(<span class="keyword">const</span> TSsmState& aRequestedState) <span class="keyword">const</span>;
<a name="l00062"></a>00062 <span class="keyword">private</span>:
<a name="l00063"></a>00063 RFs iFs;
<a name="l00064"></a>00064 CSsmCommandListResourceReader* iCommandListResourceReader;
<a name="l00065"></a>00065 RArray<TSsmState> iCurrentlySupportedTransitions;
<a name="l00066"></a>00066 <span class="keyword">enum</span> TBackupPanicCodes
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 EInvalidResourceReader <span class="comment">// Panic code used when the command list resource reader is NULL</span>
<a name="l00069"></a>00069 };
<a name="l00070"></a>00070 };
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#endif //_DUMMY_BACKUP_STATEPOLICY_H__</span>
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