Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/mtpdataproviderpluginexample_8cpp_source.html
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    11 <h1>examples/RemoteConn/MtpDataProviderExample/src/mtpdataproviderpluginexample.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).</span>
       
    12 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
       
    13 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
       
    14 <a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
       
    15 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
       
    16 <a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
       
    17 <a name="l00007"></a>00007 <span class="comment">//</span>
       
    18 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
       
    19 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
       
    20 <a name="l00010"></a>00010 <span class="comment">//</span>
       
    21 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
       
    22 <a name="l00012"></a>00012 <span class="comment">//</span>
       
    23 <a name="l00013"></a>00013 <span class="comment">// Description:</span>
       
    24 <a name="l00014"></a>00014 <span class="comment">//</span>
       
    25 <a name="l00015"></a>00015 
       
    26 <a name="l00016"></a>00016 <span class="preprocessor">#include &lt;bautils.h&gt;</span>
       
    27 <a name="l00017"></a>00017 <span class="preprocessor">#include &lt;mtp/mmtpconnection.h&gt;</span>
       
    28 <a name="l00018"></a>00018 <span class="preprocessor">#include &lt;mtp/mtpprotocolconstants.h&gt;</span>
       
    29 <a name="l00019"></a>00019 <span class="preprocessor">#include &lt;mtp/mmtpdataproviderframework.h&gt;</span>
       
    30 <a name="l00020"></a>00020 <span class="preprocessor">#include &lt;mtp/mmtpstoragemgr.h&gt;</span>
       
    31 <a name="l00021"></a>00021 <span class="preprocessor">#include &lt;mtp/cmtpobjectmetadata.h&gt;</span>
       
    32 <a name="l00022"></a>00022 <span class="preprocessor">#include &lt;mtp/mmtpobjectmgr.h&gt;</span>
       
    33 <a name="l00023"></a>00023 
       
    34 <a name="l00024"></a>00024 <span class="preprocessor">#include &quot;mtpdataproviderpluginexample.h&quot;</span>
       
    35 <a name="l00025"></a>00025 
       
    36 <a name="l00026"></a>00026 <span class="preprocessor">#include &quot;mtpexamplerequestprocessor.h&quot;</span>
       
    37 <a name="l00027"></a>00027 <span class="preprocessor">#include &quot;cmtpexampledprequestprocessor.h&quot;</span>
       
    38 <a name="l00028"></a>00028 
       
    39 <a name="l00029"></a>00029 <span class="preprocessor">#include &quot;cmtpexampledpconst.h&quot;</span>
       
    40 <a name="l00030"></a>00030 
       
    41 <a name="l00031"></a>00031 
       
    42 <a name="l00032"></a>00032 <span class="comment">// Class constants.</span>
       
    43 <a name="l00034"></a>00034 <span class="comment"></span><span class="keyword">static</span> <span class="keyword">const</span> TInt KMTPExampleDpSessionGranualrity = 3;
       
    44 <a name="l00035"></a>00035 
       
    45 <a name="l00036"></a>00036 
       
    46 <a name="l00041"></a><a class="code" href="class_c_m_t_p_example_data_provider.html#aa66d6e7d36061e94067741ad4357102a">00041</a> TAny* <a class="code" href="class_c_m_t_p_example_data_provider.html#aa66d6e7d36061e94067741ad4357102a">CMTPExampleDataProvider::NewL</a>(TAny* aParams)
       
    47 <a name="l00042"></a>00042         {
       
    48 <a name="l00043"></a>00043         <a class="code" href="class_c_m_t_p_example_data_provider.html">CMTPExampleDataProvider</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_m_t_p_example_data_provider.html">CMTPExampleDataProvider</a>(aParams);
       
    49 <a name="l00044"></a>00044         CleanupStack::PushL(<span class="keyword">self</span>);
       
    50 <a name="l00045"></a>00045         <span class="keyword">self</span>-&gt;ConstructL();
       
    51 <a name="l00046"></a>00046         CleanupStack::Pop(<span class="keyword">self</span>);
       
    52 <a name="l00047"></a>00047         <span class="keywordflow">return</span> <span class="keyword">self</span>;
       
    53 <a name="l00048"></a>00048         }
       
    54 <a name="l00049"></a>00049         
       
    55 <a name="l00054"></a>00054 CMTPExampleDataProvider::CMTPExampleDataProvider(TAny* aParams)
       
    56 <a name="l00055"></a>00055         :CMTPDataProviderPlugin(aParams),
       
    57 <a name="l00056"></a>00056         iActiveProcessors(KMTPExampleDpSessionGranualrity),
       
    58 <a name="l00057"></a>00057     iActiveProcessor(-1)
       
    59 <a name="l00058"></a>00058         {
       
    60 <a name="l00059"></a>00059         
       
    61 <a name="l00060"></a>00060         }
       
    62 <a name="l00061"></a>00061 
       
    63 <a name="l00065"></a><a class="code" href="class_c_m_t_p_example_data_provider.html#a349b79ae0bbc918b22b39e0a7ca0efe7">00065</a> <a class="code" href="class_c_m_t_p_example_data_provider.html#a349b79ae0bbc918b22b39e0a7ca0efe7">CMTPExampleDataProvider::~CMTPExampleDataProvider</a>()
       
    64 <a name="l00066"></a>00066         {
       
    65 <a name="l00067"></a>00067     TUint count(iActiveProcessors.Count());
       
    66 <a name="l00068"></a>00068     <span class="keywordflow">while</span> (count--)
       
    67 <a name="l00069"></a>00069         {
       
    68 <a name="l00070"></a>00070         iActiveProcessors[count]-&gt;Release();
       
    69 <a name="l00071"></a>00071         }
       
    70 <a name="l00072"></a>00072     iActiveProcessors.Close();
       
    71 <a name="l00073"></a>00073         }
       
    72 <a name="l00074"></a>00074         
       
    73 <a name="l00075"></a>00075 
       
    74 <a name="l00076"></a>00076 <span class="keywordtype">void</span> CMTPExampleDataProvider::Cancel()
       
    75 <a name="l00077"></a>00077         {
       
    76 <a name="l00078"></a>00078         }
       
    77 <a name="l00079"></a>00079 
       
    78 <a name="l00085"></a>00085 <span class="keywordtype">void</span> CMTPExampleDataProvider::Supported(TMTPSupportCategory aCategory, RArray&lt;TUint&gt;&amp; aArray)<span class="keyword"> const</span>
       
    79 <a name="l00086"></a>00086 <span class="keyword">    </span>{
       
    80 <a name="l00087"></a>00087     <span class="keywordflow">switch</span> (aCategory) 
       
    81 <a name="l00088"></a>00088         {        
       
    82 <a name="l00089"></a>00089         <span class="keywordflow">case</span> EEvents:
       
    83 <a name="l00090"></a>00090             <span class="keywordflow">break</span>;
       
    84 <a name="l00091"></a>00091         <span class="keywordflow">case</span> EObjectPlaybackFormats:
       
    85 <a name="l00092"></a>00092         <span class="keywordflow">case</span> EObjectCaptureFormats:
       
    86 <a name="l00093"></a>00093             <span class="keywordflow">break</span>;
       
    87 <a name="l00094"></a>00094         <span class="keywordflow">case</span> EObjectProperties:
       
    88 <a name="l00095"></a>00095             <span class="keywordflow">break</span>; 
       
    89 <a name="l00096"></a>00096     
       
    90 <a name="l00097"></a>00097         <span class="keywordflow">case</span> EOperations:
       
    91 <a name="l00098"></a>00098             {
       
    92 <a name="l00099"></a>00099             TInt count(<span class="keyword">sizeof</span>(KMTPExampleDpSupportedOperations) / <span class="keyword">sizeof</span>(KMTPExampleDpSupportedOperations[0]));
       
    93 <a name="l00100"></a>00100             <span class="keywordflow">for</span> (TInt i(0); (i &lt; count); i++)
       
    94 <a name="l00101"></a>00101                 {
       
    95 <a name="l00102"></a>00102                 aArray.Append(KMTPExampleDpSupportedOperations[i]);
       
    96 <a name="l00103"></a>00103                 }   
       
    97 <a name="l00104"></a>00104             }
       
    98 <a name="l00105"></a>00105             <span class="keywordflow">break</span>;  
       
    99 <a name="l00106"></a>00106    
       
   100 <a name="l00107"></a>00107         <span class="keywordflow">default</span>:   
       
   101 <a name="l00108"></a>00108             <span class="keywordflow">break</span>;
       
   102 <a name="l00109"></a>00109         }
       
   103 <a name="l00110"></a>00110     }
       
   104 <a name="l00117"></a>00117 <span class="keywordtype">void</span> CMTPExampleDataProvider::SupportedL(TMTPSupportCategory aCategory, CDesCArray&amp; <span class="comment">/*aStrings*/</span>)<span class="keyword"> const</span>
       
   105 <a name="l00118"></a>00118 <span class="keyword">        </span>{
       
   106 <a name="l00119"></a>00119         <span class="keywordflow">switch</span> (aCategory) 
       
   107 <a name="l00120"></a>00120         {
       
   108 <a name="l00121"></a>00121         <span class="keywordflow">case</span> EFolderExclusionSets:
       
   109 <a name="l00122"></a>00122             <span class="keywordflow">break</span>;
       
   110 <a name="l00123"></a>00123         <span class="keywordflow">case</span> EFormatExtensionSets:
       
   111 <a name="l00124"></a>00124             <span class="keywordflow">break</span>;
       
   112 <a name="l00125"></a>00125         <span class="keywordflow">default</span>:
       
   113 <a name="l00126"></a>00126             <span class="keywordflow">break</span>;
       
   114 <a name="l00127"></a>00127         }
       
   115 <a name="l00128"></a>00128         }
       
   116 <a name="l00129"></a>00129 
       
   117 <a name="l00133"></a>00133 <span class="keywordtype">void</span> CMTPExampleDataProvider::StartObjectEnumerationL(TUint32 aStorageId)
       
   118 <a name="l00134"></a>00134     {
       
   119 <a name="l00135"></a>00135     Framework().ObjectEnumerationCompleteL(aStorageId);
       
   120 <a name="l00136"></a>00136 
       
   121 <a name="l00137"></a>00137     }
       
   122 <a name="l00138"></a>00138     
       
   123 <a name="l00142"></a>00142 <span class="keywordtype">void</span> CMTPExampleDataProvider::StartStorageEnumerationL()
       
   124 <a name="l00143"></a>00143     {
       
   125 <a name="l00144"></a>00144     Framework().StorageEnumerationCompleteL();
       
   126 <a name="l00145"></a>00145     }
       
   127 <a name="l00146"></a>00146 
       
   128 <a name="l00152"></a>00152 <span class="keywordtype">void</span> CMTPExampleDataProvider::ProcessEventL(<span class="keyword">const</span> TMTPTypeEvent&amp; aEvent, MMTPConnection&amp; aConnection)   
       
   129 <a name="l00153"></a>00153         {
       
   130 <a name="l00154"></a>00154     TInt idx = LocateRequestProcessorL(aEvent, aConnection);
       
   131 <a name="l00155"></a>00155 
       
   132 <a name="l00156"></a>00156     <span class="keywordflow">if</span> (idx != KErrNotFound)
       
   133 <a name="l00157"></a>00157         {
       
   134 <a name="l00158"></a>00158         iActiveProcessors[idx]-&gt;HandleEventL(aEvent);
       
   135 <a name="l00159"></a>00159         }
       
   136 <a name="l00160"></a>00160         }
       
   137 <a name="l00161"></a>00161 
       
   138 <a name="l00167"></a>00167 <span class="keywordtype">void</span> CMTPExampleDataProvider::ProcessNotificationL(TMTPNotification aNotification, <span class="keyword">const</span> TAny* aParams)
       
   139 <a name="l00168"></a>00168     {
       
   140 <a name="l00169"></a>00169     <span class="keywordflow">switch</span> (aNotification)
       
   141 <a name="l00170"></a>00170         {
       
   142 <a name="l00171"></a>00171     <span class="keywordflow">case</span> EMTPSessionClosed:
       
   143 <a name="l00172"></a>00172         SessionClosedL(*reinterpret_cast&lt;const TMTPNotificationParamsSessionChange*&gt;(aParams));
       
   144 <a name="l00173"></a>00173         <span class="keywordflow">break</span>;
       
   145 <a name="l00174"></a>00174         
       
   146 <a name="l00175"></a>00175     <span class="keywordflow">case</span> EMTPSessionOpened:
       
   147 <a name="l00176"></a>00176         SessionOpenedL(*reinterpret_cast&lt;const TMTPNotificationParamsSessionChange*&gt;(aParams));
       
   148 <a name="l00177"></a>00177         <span class="keywordflow">break</span>;
       
   149 <a name="l00178"></a>00178         
       
   150 <a name="l00179"></a>00179     <span class="keywordflow">default</span>:
       
   151 <a name="l00180"></a>00180         <span class="comment">// Ignore all other notifications.</span>
       
   152 <a name="l00181"></a>00181         <span class="keywordflow">break</span>;
       
   153 <a name="l00182"></a>00182         }
       
   154 <a name="l00183"></a>00183     }
       
   155 <a name="l00184"></a>00184     
       
   156 <a name="l00191"></a>00191 <span class="keywordtype">void</span> CMTPExampleDataProvider::ProcessRequestPhaseL(TMTPTransactionPhase aPhase, <span class="keyword">const</span> TMTPTypeRequest&amp; aRequest, MMTPConnection&amp; aConnection)
       
   157 <a name="l00192"></a>00192         {
       
   158 <a name="l00193"></a>00193     <span class="comment">//Check if the request is handled.</span>
       
   159 <a name="l00194"></a>00194     TInt idx(LocateRequestProcessorL(aRequest, aConnection));
       
   160 <a name="l00195"></a>00195     <a class="code" href="class_m_m_t_p_example_dp_request_processor.html">MMTPExampleDpRequestProcessor</a>* processor(iActiveProcessors[idx]);
       
   161 <a name="l00196"></a>00196     <span class="comment">//Handle the request</span>
       
   162 <a name="l00197"></a>00197     TBool result(processor-&gt;HandleRequestL(aRequest, aPhase));
       
   163 <a name="l00198"></a>00198     <span class="keywordflow">if</span> (result)    <span class="comment">//destroy the processor</span>
       
   164 <a name="l00199"></a>00199         {
       
   165 <a name="l00200"></a>00200         processor-&gt;Release();
       
   166 <a name="l00201"></a>00201         iActiveProcessors.Remove(idx);
       
   167 <a name="l00202"></a>00202         }
       
   168 <a name="l00203"></a>00203         }
       
   169 <a name="l00204"></a>00204 
       
   170 <a name="l00210"></a>00210 <span class="keywordtype">void</span> CMTPExampleDataProvider::SessionClosedL(<span class="keyword">const</span> TMTPNotificationParamsSessionChange&amp; aSession)       
       
   171 <a name="l00211"></a>00211         {
       
   172 <a name="l00212"></a>00212     TInt count = iActiveProcessors.Count();
       
   173 <a name="l00213"></a>00213     <span class="keywordflow">while</span>(count--)
       
   174 <a name="l00214"></a>00214         {
       
   175 <a name="l00215"></a>00215         <a class="code" href="class_m_m_t_p_example_dp_request_processor.html">MMTPExampleDpRequestProcessor</a>* processor = iActiveProcessors[count];
       
   176 <a name="l00216"></a>00216         TUint32 sessionId = processor-&gt;SessionId();
       
   177 <a name="l00217"></a>00217         <span class="keywordflow">if</span>((sessionId == aSession.iMTPId) &amp;&amp; (processor-&gt;Connection().ConnectionId() == aSession.iConnection.ConnectionId()))
       
   178 <a name="l00218"></a>00218             {
       
   179 <a name="l00219"></a>00219             iActiveProcessors.Remove(count);
       
   180 <a name="l00220"></a>00220             <span class="keywordflow">if</span> (count == iActiveProcessor)
       
   181 <a name="l00221"></a>00221                 {
       
   182 <a name="l00222"></a>00222                 iActiveProcessorRemoved = ETrue;
       
   183 <a name="l00223"></a>00223                 }
       
   184 <a name="l00224"></a>00224             <span class="keywordflow">else</span>
       
   185 <a name="l00225"></a>00225                 {
       
   186 <a name="l00226"></a>00226                 processor-&gt;Release();
       
   187 <a name="l00227"></a>00227                 }
       
   188 <a name="l00228"></a>00228             }
       
   189 <a name="l00229"></a>00229         } 
       
   190 <a name="l00230"></a>00230         }
       
   191 <a name="l00231"></a>00231 
       
   192 <a name="l00237"></a>00237 <span class="keywordtype">void</span> CMTPExampleDataProvider::SessionOpenedL(<span class="keyword">const</span> TMTPNotificationParamsSessionChange&amp; <span class="comment">/*aSession*/</span>)   
       
   193 <a name="l00238"></a>00238         {
       
   194 <a name="l00239"></a>00239         }
       
   195 <a name="l00240"></a>00240         
       
   196 <a name="l00246"></a>00246 TAny* CMTPExampleDataProvider::GetExtendedInterface(TUid <span class="comment">/*aInterfaceUid*/</span>)     
       
   197 <a name="l00247"></a>00247         {
       
   198 <a name="l00248"></a>00248         <span class="keywordflow">return</span> NULL;
       
   199 <a name="l00249"></a>00249         }
       
   200 <a name="l00250"></a>00250 
       
   201 <a name="l00254"></a>00254 <span class="keywordtype">void</span> CMTPExampleDataProvider::ConstructL()      
       
   202 <a name="l00255"></a>00255         {
       
   203 <a name="l00256"></a>00256 
       
   204 <a name="l00257"></a>00257       
       
   205 <a name="l00258"></a>00258         }
       
   206 <a name="l00259"></a>00259 
       
   207 <a name="l00267"></a>00267 TInt CMTPExampleDataProvider::LocateRequestProcessorL(<span class="keyword">const</span> TMTPTypeRequest&amp; aRequest, MMTPConnection&amp; aConnection)
       
   208 <a name="l00268"></a>00268         {
       
   209 <a name="l00269"></a>00269     TInt idx(KErrNotFound);
       
   210 <a name="l00270"></a>00270     <span class="comment">//Get the Count of the request supported.</span>
       
   211 <a name="l00271"></a>00271     TInt count(iActiveProcessors.Count());
       
   212 <a name="l00272"></a>00272     <span class="comment">//Not found create and then append to the array.</span>
       
   213 <a name="l00273"></a>00273     <span class="keywordflow">if</span> (idx == KErrNotFound)
       
   214 <a name="l00274"></a>00274         {
       
   215 <a name="l00275"></a>00275         <a class="code" href="class_m_m_t_p_example_dp_request_processor.html">MMTPExampleDpRequestProcessor</a>* processor = <a class="code" href="class_m_t_p_example_dp_processor.html#a33c3d4f26f43a5d32bb1da80be66aa17">MTPExampleDpProcessor::CreateL</a>
       
   216 <a name="l00276"></a>00276                                                  (Framework(), aRequest, aConnection);
       
   217 <a name="l00277"></a>00277         CleanupReleasePushL(*processor);
       
   218 <a name="l00278"></a>00278         iActiveProcessors.AppendL(processor);
       
   219 <a name="l00279"></a>00279         CleanupStack::Pop(processor);
       
   220 <a name="l00280"></a>00280         idx = count;
       
   221 <a name="l00281"></a>00281         }
       
   222 <a name="l00282"></a>00282     <span class="keywordflow">return</span> idx;
       
   223 <a name="l00283"></a>00283         }
       
   224 <a name="l00284"></a>00284 
       
   225 <a name="l00293"></a>00293 TInt CMTPExampleDataProvider::LocateRequestProcessorL(<span class="keyword">const</span> TMTPTypeEvent&amp; aEvent, MMTPConnection&amp; aConnection)
       
   226 <a name="l00294"></a>00294         {
       
   227 <a name="l00295"></a>00295     TInt idx(KErrNotFound);
       
   228 <a name="l00296"></a>00296     TInt count(iActiveProcessors.Count());
       
   229 <a name="l00297"></a>00297     <span class="keywordflow">for</span> (TInt i(0); (i &lt; count); i++)
       
   230 <a name="l00298"></a>00298         {
       
   231 <a name="l00299"></a>00299         <span class="keywordflow">if</span> (iActiveProcessors[i]-&gt;Match(aEvent, aConnection))
       
   232 <a name="l00300"></a>00300             {
       
   233 <a name="l00301"></a>00301             idx = i;
       
   234 <a name="l00302"></a>00302             <span class="keywordflow">break</span>;
       
   235 <a name="l00303"></a>00303             }
       
   236 <a name="l00304"></a>00304         }    
       
   237 <a name="l00305"></a>00305     <span class="keywordflow">return</span> idx;   
       
   238 <a name="l00306"></a>00306         }
       
   239 <a name="l00307"></a>00307         
       
   240 <a name="l00308"></a>00308         
       
   241 <a name="l00309"></a>00309 
       
   242 </pre></div></div>
       
   243 <hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
       
   244 <a href="http://www.doxygen.org/index.html">
       
   245 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
       
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