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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>ChatBtServiceSearcher.h Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"><tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a>S60 3rd Edition SDK FP1 for Symbian OS </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>ChatBtServiceSearcher.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">* ==============================================================================</span><a name="l00003"></a>00003 <span class="comment">* Name : ChatBtServiceSearcher.h</span><a name="l00004"></a>00004 <span class="comment">* Part of : Chat</span><a name="l00005"></a>00005 <span class="comment">* Interface : </span><a name="l00006"></a>00006 <span class="comment">* Description : </span><a name="l00007"></a>00007 <span class="comment">* Version : </span><a name="l00008"></a>00008 <span class="comment">*</span><a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2005-2006 Nokia Corporation.</span><a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related </span><a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by </span><a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span><a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span><a name="l00014"></a>00014 <span class="comment">*/</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="preprocessor">#ifndef CHATBTSERVICESEARCHER_H</span><a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define CHATBTSERVICESEARCHER_H</span><a name="l00018"></a>00018 <span class="preprocessor"></span><a name="l00019"></a>00019 <span class="comment">// INCLUDES</span><a name="l00020"></a>00020 <span class="preprocessor">#include <e32base.h></span><a name="l00021"></a>00021 <span class="preprocessor">#include <bttypes.h></span><a name="l00022"></a>00022 <span class="preprocessor">#include <btextnotifiers.h></span><a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include "ChatSdpAttributeParser.h"</span><a name="l00025"></a>00025 <span class="preprocessor">#include "ChatSdpAttributeNotifier.h"</span><a name="l00026"></a>00026 <span class="preprocessor">#include "Log.h"</span><a name="l00027"></a>00027 <span class="preprocessor">#include "ChatProtocolConstants.h"</span><a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="comment">// CONSTANTS</span><a name="l00030"></a>00030 _LIT( KErrNRRCErr, <span class="stringliteral">"NRRC ERR"</span> );<a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="comment">// CLASS DECLARATIONS</span><a name="l00033"></a>00033 <span class="comment"></span><a name="l00034"></a>00034 <span class="comment">/**</span><a name="l00035"></a>00035 <span class="comment">* CChatBtServiceSearcher</span><a name="l00036"></a>00036 <span class="comment">* Searches for a service on a remote machine</span><a name="l00037"></a>00037 <span class="comment">*/</span><a name="l00038"></a>00038 <a name="l00039"></a><a class="code" href="class_c_chat_bt_service_searcher.html">00039</a> <span class="keyword">class </span><a class="code" href="class_c_chat_bt_service_searcher.html">CChatBtServiceSearcher</a> : <span class="keyword">public</span> CBase,<a name="l00040"></a>00040 <span class="keyword">public</span> MSdpAgentNotifier,<a name="l00041"></a>00041 <span class="keyword">public</span> <a class="code" href="class_m_chat_sdp_attribute_notifier.html">MChatSdpAttributeNotifier</a><a name="l00042"></a>00042 {<a name="l00043"></a>00043 <span class="keyword">public</span>: <span class="comment">// Destructor</span><a name="l00044"></a>00044 <span class="comment"></span><a name="l00045"></a>00045 <span class="comment"> /**</span><a name="l00046"></a>00046 <span class="comment"> * ~CChatBtServiceSearcher()</span><a name="l00047"></a>00047 <span class="comment"> * Destroy the object and release all memory objects</span><a name="l00048"></a>00048 <span class="comment"> */</span><a name="l00049"></a>00049 <span class="keyword">virtual</span> <a class="code" href="class_c_chat_bt_service_searcher.html#7c26218a85bf8067e196ded9b4cb0480">~CChatBtServiceSearcher</a>();<a name="l00050"></a>00050 <a name="l00051"></a>00051 <span class="keyword">public</span>: <span class="comment">// New functions</span><a name="l00052"></a>00052 <span class="comment"></span><a name="l00053"></a>00053 <span class="comment"> /**</span><a name="l00054"></a>00054 <span class="comment"> * SelectDeviceByDiscoveryL()</span><a name="l00055"></a>00055 <span class="comment"> * Select a device</span><a name="l00056"></a>00056 <span class="comment"> * @param aObserverRequestStatus the observer that is to</span><a name="l00057"></a>00057 <span class="comment"> * be notified when the device selection is complete.</span><a name="l00058"></a>00058 <span class="comment"> */</span><a name="l00059"></a>00059 <span class="keywordtype">void</span> <a class="code" href="class_c_chat_bt_service_searcher.html#26bae2155757128e219cfd00e0bad926">SelectDeviceByDiscoveryL</a>( <a name="l00060"></a>00060 TRequestStatus& aObserverRequestStatus );<a name="l00061"></a>00061 <span class="comment"></span><a name="l00062"></a>00062 <span class="comment"> /**</span><a name="l00063"></a>00063 <span class="comment"> * FindServiceL()</span><a name="l00064"></a>00064 <span class="comment"> * Find a service on the specified device</span><a name="l00065"></a>00065 <span class="comment"> * @param aObserverRequestStatus the observer that is to be notified</span><a name="l00066"></a>00066 <span class="comment"> * when the service search is complete</span><a name="l00067"></a>00067 <span class="comment"> */</span> <a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="class_c_chat_bt_service_searcher.html#5e28bbf3641a827b4459865cabdb3bb5">FindServiceL</a>( TRequestStatus& aObserverRequestStatus );<a name="l00069"></a>00069 <span class="comment"></span><a name="l00070"></a>00070 <span class="comment"> /** </span><a name="l00071"></a>00071 <span class="comment"> * BTDevAddr()</span><a name="l00072"></a>00072 <span class="comment"> * @return the bluetooth device address</span><a name="l00073"></a>00073 <span class="comment"> */</span><a name="l00074"></a>00074 <span class="keyword">const</span> TBTDevAddr& <a class="code" href="class_c_chat_bt_service_searcher.html#ec268a776bd69b4fda3c003e386b43ea">BTDevAddr</a>();<a name="l00075"></a>00075 <span class="comment"></span><a name="l00076"></a>00076 <span class="comment"> /**</span><a name="l00077"></a>00077 <span class="comment"> * ResponseParams()</span><a name="l00078"></a>00078 <span class="comment"> * @return Information about the device selected by the user</span><a name="l00079"></a>00079 <span class="comment"> */</span><a name="l00080"></a>00080 <span class="keyword">const</span> TBTDeviceResponseParams& <a class="code" href="class_c_chat_bt_service_searcher.html#c20004a34f60c2586a459c739098aa9b">ResponseParams</a>();<a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="keyword">protected</span>: <span class="comment">// New functions</span><a name="l00083"></a>00083 <span class="comment"></span><a name="l00084"></a>00084 <span class="comment"> /**</span><a name="l00085"></a>00085 <span class="comment"> * CChatBtServiceSearcher()</span><a name="l00086"></a>00086 <span class="comment"> * Constructs this object</span><a name="l00087"></a>00087 <span class="comment"> * @param aLog the log to send output to</span><a name="l00088"></a>00088 <span class="comment"> */</span><a name="l00089"></a>00089 <a class="code" href="class_c_chat_bt_service_searcher.html#f40ce48852e767d8fc062b71dca67b75">CChatBtServiceSearcher</a>( <a class="code" href="class_m_log.html">MLog</a>& aLog );<a name="l00090"></a>00090 <span class="comment"></span><a name="l00091"></a>00091 <span class="comment"> /**</span><a name="l00092"></a>00092 <span class="comment"> * Finished()</span><a name="l00093"></a>00093 <span class="comment"> * The search has finished. Notify the observer </span><a name="l00094"></a>00094 <span class="comment"> * that the process is complete.</span><a name="l00095"></a>00095 <span class="comment"> */</span><a name="l00096"></a>00096 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_c_chat_bt_service_searcher.html#0b7e2b5c9c80bd53f50bc0e518a464ec">Finished</a>( TInt aError = KErrNone );<a name="l00097"></a>00097 <span class="comment"></span><a name="l00098"></a>00098 <span class="comment"> /** </span><a name="l00099"></a>00099 <span class="comment"> * HasFinishedSearching()</span><a name="l00100"></a>00100 <span class="comment"> * Is the instance still wanting to search.</span><a name="l00101"></a>00101 <span class="comment"> * @return EFalse if the instance wants searching to continue.</span><a name="l00102"></a>00102 <span class="comment"> */</span><a name="l00103"></a>00103 <span class="keyword">virtual</span> TBool <a class="code" href="class_c_chat_bt_service_searcher.html#c98b1fc6cda6402cdb0019d7eb807a7c">HasFinishedSearching</a>() <span class="keyword">const</span>;<a name="l00104"></a>00104 <span class="comment"></span><a name="l00105"></a>00105 <span class="comment"> /**</span><a name="l00106"></a>00106 <span class="comment"> * HasFoundService()</span><a name="l00107"></a>00107 <span class="comment"> * @return ETrue if a service has been found</span><a name="l00108"></a>00108 <span class="comment"> */</span><a name="l00109"></a>00109 TBool <a class="code" href="class_c_chat_bt_service_searcher.html#a7ab55d982c2e9efc460aabc5420e185">HasFoundService</a>() <span class="keyword">const</span>;<a name="l00110"></a>00110 <a name="l00111"></a>00111 <span class="keyword">protected</span>: <span class="comment">// abstract methods</span><a name="l00112"></a>00112 <span class="comment"></span><a name="l00113"></a>00113 <span class="comment"> /**</span><a name="l00114"></a>00114 <span class="comment"> * ProtocolList()</span><a name="l00115"></a>00115 <span class="comment"> * The list of Protocols required by the service.</span><a name="l00116"></a>00116 <span class="comment"> */</span><a name="l00117"></a>00117 <span class="keyword">virtual</span> RArray <TChatSdpAttributeParser::TChatSdpAttributeNode>& <a name="l00118"></a>00118 <a class="code" href="class_c_chat_bt_service_searcher.html#f6b20b18e1f84b2443b79ad7ad84f7a4">ProtocolList</a>() = 0;<a name="l00119"></a>00119 <span class="comment"></span><a name="l00120"></a>00120 <span class="comment"> /**</span><a name="l00121"></a>00121 <span class="comment"> * ServiceClass()</span><a name="l00122"></a>00122 <span class="comment"> * The service class to search for</span><a name="l00123"></a>00123 <span class="comment"> * @return the service class UUID</span><a name="l00124"></a>00124 <span class="comment"> */</span><a name="l00125"></a>00125 <span class="keyword">virtual</span> <span class="keyword">const</span> TUUID& <a class="code" href="class_c_chat_bt_service_searcher.html#a77aa7bd3e321d24397563b01bb689af">ServiceClass</a>() <span class="keyword">const </span>= 0;<a name="l00126"></a>00126 <span class="comment"></span><a name="l00127"></a>00127 <span class="comment"> /**</span><a name="l00128"></a>00128 <span class="comment"> * FoundElementL()</span><a name="l00129"></a>00129 <span class="comment"> * Read the data element</span><a name="l00130"></a>00130 <span class="comment"> * @param aKey a key that identifies the element</span><a name="l00131"></a>00131 <span class="comment"> * @param aValue the data element</span><a name="l00132"></a>00132 <span class="comment"> */</span>⌨️ 快捷键说明
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