Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_feature_checker_8cpp-source.html
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     3 <title>TB10.1 Example Applications: examples/Base/FeatMngrExample/FeatureChecker/src/FeatureChecker.cpp Source File</title>
       
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     8 <h1>examples/Base/FeatMngrExample/FeatureChecker/src/FeatureChecker.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
       
     9 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
       
    10 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
       
    11 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
       
    12 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
       
    13 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
       
    14 <a name="l00007"></a>00007 <span class="comment">//</span>
       
    15 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
       
    16 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
       
    17 <a name="l00010"></a>00010 <span class="comment">//</span>
       
    18 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
       
    19 <a name="l00012"></a>00012 <span class="comment">//</span>
       
    20 <a name="l00013"></a>00013 <span class="comment">// Description:</span>
       
    21 <a name="l00014"></a>00014 <span class="comment">//</span>
       
    22 <a name="l00015"></a>00015 
       
    23 <a name="l00016"></a>00016 <span class="preprocessor">#include "FeatureChecker.h"</span>
       
    24 <a name="l00017"></a>00017 <span class="preprocessor">#include &lt;e32cons.h&gt;</span>
       
    25 <a name="l00018"></a>00018 
       
    26 <a name="l00019"></a><a class="code" href="class_c_feature_checker.html#e3e9b0382fab377cbb24147c943f831c">00019</a> <span class="keywordtype">void</span> <a class="code" href="class_c_feature_checker.html#e3e9b0382fab377cbb24147c943f831c">CFeatureChecker::ConstructL</a>()
       
    27 <a name="l00020"></a>00020         {
       
    28 <a name="l00021"></a>00021         iFeatNotifier = CFeatureNotifier::NewL(*<span class="keyword">this</span>);
       
    29 <a name="l00022"></a>00022         }
       
    30 <a name="l00023"></a>00023 
       
    31 <a name="l00024"></a><a class="code" href="class_c_feature_checker.html#0529f6ad0b87d00e4ba0110100fdc837">00024</a> <a class="code" href="class_c_feature_checker.html">CFeatureChecker</a>* <a class="code" href="class_c_feature_checker.html#0529f6ad0b87d00e4ba0110100fdc837">CFeatureChecker::NewL</a>()
       
    32 <a name="l00025"></a>00025         {
       
    33 <a name="l00026"></a>00026         <a class="code" href="class_c_feature_checker.html">CFeatureChecker</a>* <span class="keyword">self</span>=<span class="keyword">new</span>(ELeave)<a class="code" href="class_c_feature_checker.html">CFeatureChecker</a>();
       
    34 <a name="l00027"></a>00027         CleanupStack::PushL(<span class="keyword">self</span>);
       
    35 <a name="l00028"></a>00028         <span class="keyword">self</span>-&gt;ConstructL();
       
    36 <a name="l00029"></a>00029         CleanupStack::Pop(<span class="keyword">self</span>);
       
    37 <a name="l00030"></a>00030         <span class="keywordflow">return</span> <span class="keyword">self</span>;
       
    38 <a name="l00031"></a>00031         }
       
    39 <a name="l00032"></a>00032 
       
    40 <a name="l00036"></a><a class="code" href="class_c_feature_checker.html#2f290dbff4a1e23854b1acd0038836ed">00036</a> <a class="code" href="class_c_feature_checker.html#2f290dbff4a1e23854b1acd0038836ed">CFeatureChecker::~CFeatureChecker</a>()
       
    41 <a name="l00037"></a>00037         {
       
    42 <a name="l00038"></a>00038         <span class="keyword">delete</span> iFeatNotifier;
       
    43 <a name="l00039"></a>00039         }
       
    44 <a name="l00040"></a>00040 
       
    45 <a name="l00044"></a><a class="code" href="class_c_feature_checker.html#d81e893eb0476ad7aed4b31d77fb131f">00044</a> <span class="keywordtype">void</span> <a class="code" href="class_c_feature_checker.html#d81e893eb0476ad7aed4b31d77fb131f">CFeatureChecker::NotifyFeatureL</a>()
       
    46 <a name="l00045"></a>00045         {
       
    47 <a name="l00046"></a>00046         RFeatureUidArray featArray;
       
    48 <a name="l00047"></a>00047         CleanupClosePushL(featArray);
       
    49 <a name="l00048"></a>00048         TUid uidFeature;
       
    50 <a name="l00049"></a>00049 
       
    51 <a name="l00050"></a>00050         <span class="comment">//Number of feature UIDs which are subscribed to for notification.</span>
       
    52 <a name="l00051"></a>00051         <span class="keyword">const</span> TInt KNumFeaturesforNotification(10);
       
    53 <a name="l00052"></a>00052 
       
    54 <a name="l00053"></a>00053         <span class="comment">//Base feature UID for which notification requests are made. This is the same UID range which </span>
       
    55 <a name="l00054"></a>00054         <span class="comment">//the user can use when adding features to the FeatMngrExample process.</span>
       
    56 <a name="l00055"></a>00055         TUid KFeatureUidforNotification = {0x12000000};
       
    57 <a name="l00056"></a>00056         
       
    58 <a name="l00057"></a>00057         <span class="comment">//Append the UIDs to featArray.</span>
       
    59 <a name="l00058"></a>00058         <span class="keywordflow">for</span>( <span class="keywordtype">int</span> k=0; k&lt;=KNumFeaturesforNotification; k++)
       
    60 <a name="l00059"></a>00059                 {
       
    61 <a name="l00060"></a>00060                 uidFeature.iUid = KFeatureUidforNotification.iUid + k;
       
    62 <a name="l00061"></a>00061                 featArray.Append(uidFeature);
       
    63 <a name="l00062"></a>00062                 }
       
    64 <a name="l00063"></a>00063         
       
    65 <a name="l00064"></a>00064         <span class="comment">//Request notification for user defined features.</span>
       
    66 <a name="l00065"></a>00065         User::LeaveIfError(iFeatNotifier-&gt;NotifyRequest(featArray));
       
    67 <a name="l00066"></a>00066         CleanupStack::PopAndDestroy(&amp;featArray);
       
    68 <a name="l00067"></a>00067         }
       
    69 <a name="l00068"></a>00068 
       
    70 <a name="l00072"></a><a class="code" href="class_c_feature_checker.html#e0338caa887d637c92972b5b91bfa76a">00072</a> <span class="keywordtype">void</span> <a class="code" href="class_c_feature_checker.html#e0338caa887d637c92972b5b91bfa76a">CFeatureChecker::HandleNotifyError</a>(TInt <span class="comment">/*err*/</span>)
       
    71 <a name="l00073"></a>00073         {
       
    72 <a name="l00074"></a>00074         }
       
    73 <a name="l00075"></a>00075 
       
    74 <a name="l00081"></a><a class="code" href="class_c_feature_checker.html#2d4636a82989321c291e135004d74247">00081</a> <span class="keywordtype">void</span> <a class="code" href="class_c_feature_checker.html#2d4636a82989321c291e135004d74247">CFeatureChecker::HandleNotifyChange</a>(TFeatureChangeType aType, TFeatureEntry <span class="comment">/*aFeature*/</span>)
       
    75 <a name="l00082"></a>00082         {
       
    76 <a name="l00083"></a>00083         <span class="keyword">const</span> TInt KFeatureChangeTypeMaxSize(45);
       
    77 <a name="l00084"></a>00084         TBuf&lt;KFeatureChangeTypeMaxSize&gt; changetype;
       
    78 <a name="l00085"></a>00085         <span class="keywordflow">switch</span>(aType)
       
    79 <a name="l00086"></a>00086                 {
       
    80 <a name="l00087"></a>00087                 <span class="keywordflow">case</span> EFeatureNoChange: 
       
    81 <a name="l00088"></a>00088                         _LIT(KNoChange, <span class="stringliteral">"Feature status not changed"</span>);
       
    82 <a name="l00089"></a>00089                         changetype.Copy(KNoChange);
       
    83 <a name="l00090"></a>00090                         <span class="keywordflow">break</span>;
       
    84 <a name="l00091"></a>00091                 <span class="keywordflow">case</span> EFeatureStatusUpdated :
       
    85 <a name="l00092"></a>00092                         _LIT(KStatusUpdated, <span class="stringliteral">"Feature status changed to enabled or disabled"</span>);
       
    86 <a name="l00093"></a>00093                         changetype.Copy(KStatusUpdated);
       
    87 <a name="l00094"></a>00094                         <span class="keywordflow">break</span>;
       
    88 <a name="l00095"></a>00095                 <span class="keywordflow">case</span> EFeatureDataUpdated: 
       
    89 <a name="l00096"></a>00096                         _LIT(KDataUpdated, <span class="stringliteral">"Feature data changed"</span>);
       
    90 <a name="l00097"></a>00097                         changetype.Copy(KDataUpdated);
       
    91 <a name="l00098"></a>00098                         <span class="keywordflow">break</span>;
       
    92 <a name="l00099"></a>00099                 <span class="keywordflow">case</span> EFeatureStatusDataUpdated: 
       
    93 <a name="l00100"></a>00100                         <span class="comment">//not used in the current version.</span>
       
    94 <a name="l00101"></a>00101                         _LIT(KStatusDataUpdated, <span class="stringliteral">"Feature status and data changed"</span>);
       
    95 <a name="l00102"></a>00102                         changetype.Copy(KStatusDataUpdated);
       
    96 <a name="l00103"></a>00103                         <span class="keywordflow">break</span>;
       
    97 <a name="l00104"></a>00104                 <span class="keywordflow">case</span> EFeatureRediscover: 
       
    98 <a name="l00105"></a>00105                         <span class="comment">//not used in the current version.</span>
       
    99 <a name="l00106"></a>00106                         _LIT(KFeatureRediscover, <span class="stringliteral">"Complex change occurred, reload all features"</span>);
       
   100 <a name="l00107"></a>00107                         changetype.Copy(KFeatureRediscover);
       
   101 <a name="l00108"></a>00108                         <span class="keywordflow">break</span>;
       
   102 <a name="l00109"></a>00109                 <span class="keywordflow">case</span> EFeatureFeatureCreated:
       
   103 <a name="l00110"></a>00110                         _LIT(KFeatureCreated, <span class="stringliteral">"New feature has been added to the system"</span>);
       
   104 <a name="l00111"></a>00111                         changetype.Copy(KFeatureCreated);
       
   105 <a name="l00112"></a>00112                         <span class="keywordflow">break</span>;
       
   106 <a name="l00113"></a>00113                 <span class="keywordflow">case</span> EFeatureFeatureDeleted: 
       
   107 <a name="l00114"></a>00114                         _LIT(KFeatureDeleted, <span class="stringliteral">"Feature has been deleted"</span>);
       
   108 <a name="l00115"></a>00115                         changetype.Copy(KFeatureDeleted);
       
   109 <a name="l00116"></a>00116                         <span class="keywordflow">break</span>;
       
   110 <a name="l00117"></a>00117                 }
       
   111 <a name="l00118"></a>00118         <span class="comment">//Print the change type as an infoprint.</span>
       
   112 <a name="l00119"></a>00119         User::InfoPrint(changetype);
       
   113 <a name="l00120"></a>00120         }
       
   114 <a name="l00121"></a>00121 
       
   115 <a name="l00126"></a>00126 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="circularbuffer_8cpp.html#5fb473d4ee18739183215b04dcad6e12">MainL</a>()
       
   116 <a name="l00127"></a>00127         {
       
   117 <a name="l00128"></a>00128         CActiveScheduler* scheduler = <span class="keyword">new</span> (ELeave) CActiveScheduler();
       
   118 <a name="l00129"></a>00129         CleanupStack::PushL(scheduler);
       
   119 <a name="l00130"></a>00130         CActiveScheduler::Install(scheduler);
       
   120 <a name="l00131"></a>00131         
       
   121 <a name="l00132"></a>00132         <a class="code" href="class_c_feature_checker.html">CFeatureChecker</a>* featChecker = <a class="code" href="class_c_feature_checker.html#0529f6ad0b87d00e4ba0110100fdc837">CFeatureChecker::NewL</a>();
       
   122 <a name="l00133"></a>00133         CleanupStack::PushL(featChecker);
       
   123 <a name="l00134"></a>00134         <span class="comment">//Issue feature change notification request.</span>
       
   124 <a name="l00135"></a>00135         featChecker-&gt;<a class="code" href="class_c_feature_checker.html#d81e893eb0476ad7aed4b31d77fb131f">NotifyFeatureL</a>();
       
   125 <a name="l00136"></a>00136         CActiveScheduler::Start();
       
   126 <a name="l00137"></a>00137         
       
   127 <a name="l00138"></a>00138         CleanupStack::PopAndDestroy(featChecker);
       
   128 <a name="l00139"></a>00139         CleanupStack::PopAndDestroy(scheduler);
       
   129 <a name="l00140"></a>00140         }
       
   130 <a name="l00141"></a>00141 
       
   131 <a name="l00142"></a>00142 <span class="keyword">extern</span> TInt <a class="code" href="dbllist_8cpp.html#0f358e9c4355138f629b8c4f37310295">E32Main</a>()
       
   132 <a name="l00143"></a>00143         {
       
   133 <a name="l00144"></a>00144         <span class="comment">// Create cleanup stack</span>
       
   134 <a name="l00145"></a>00145         __UHEAP_MARK;
       
   135 <a name="l00146"></a>00146         CTrapCleanup* cleanup = CTrapCleanup::New();
       
   136 <a name="l00147"></a>00147         <span class="keywordflow">if</span>(cleanup == NULL)
       
   137 <a name="l00148"></a>00148                 {
       
   138 <a name="l00149"></a>00149                 <span class="keywordflow">return</span> KErrNoMemory;
       
   139 <a name="l00150"></a>00150                 }
       
   140 <a name="l00151"></a>00151         <span class="comment">// Run application code inside TRAP harness.</span>
       
   141 <a name="l00152"></a>00152         TRAPD(mainError, <a class="code" href="circularbuffer_8cpp.html#5fb473d4ee18739183215b04dcad6e12">MainL</a>());
       
   142 <a name="l00153"></a>00153         <span class="keywordflow">if</span>(mainError != KErrNone)
       
   143 <a name="l00154"></a>00154                 {
       
   144 <a name="l00155"></a>00155                 _LIT(KUserPanic,<span class="stringliteral">"Failed to complete"</span>);  
       
   145 <a name="l00156"></a>00156                 User::Panic(KUserPanic, mainError);
       
   146 <a name="l00157"></a>00157                 }
       
   147 <a name="l00158"></a>00158         <span class="keyword">delete</span> cleanup;
       
   148 <a name="l00159"></a>00159         __UHEAP_MARKEND;
       
   149 <a name="l00160"></a>00160         <span class="keywordflow">return</span> KErrNone;
       
   150 <a name="l00161"></a>00161         }
       
   151 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:55 2010 for TB10.1 Example Applications by&nbsp;
       
   152 <a href="http://www.doxygen.org/index.html">
       
   153 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
       
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