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<h1>infocdbbackend.h</h1><a href="infocdbbackend_8h.html">Go to the documentation of this file.</a><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) 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Contact: Marius Vollmer <marius.vollmer@nokia.com></span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span>
<a name="l00008"></a>00008 <span class="comment"> * version 2.1 as published by the Free Software Foundation.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This library is distributed in the hope that it will be useful, but</span>
<a name="l00011"></a>00011 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00016"></a>00016 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA</span>
<a name="l00018"></a>00018 <span class="comment"> * 02110-1301 USA</span>
<a name="l00019"></a>00019 <span class="comment"> *</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef INFOCDBBACKEND_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define INFOCDBBACKEND_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <QStringList></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <QObject></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <QString></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <QFileSystemWatcher></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="cdbreader_8h.html">cdbreader.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="infobackend_8h.html">infobackend.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="contextproviderinfo_8h.html">contextproviderinfo.h</a>"</span>
<a name="l00032"></a>00032
<a name="l00033"></a><a class="code" href="class_info_cdb_backend.html">00033</a> <span class="keyword">class </span><a class="code" href="class_info_cdb_backend.html" title="Implements the InfoBackend for reading data from a cdb database.">InfoCdbBackend</a> : <span class="keyword">public</span> <a class="code" href="class_info_backend.html" title="An abstract (pure virtual) singleton class that represents the actual registry backend...">InfoBackend</a>
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 Q_OBJECT
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">public</span>:
<a name="l00038"></a>00038 <span class="keyword">explicit</span> <a class="code" href="class_info_cdb_backend.html#a8e31c8ded7f1620ab626d17f23bf3042">InfoCdbBackend</a>(QObject *parent = 0);
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keyword">virtual</span> QString <a class="code" href="class_info_cdb_backend.html#a98707e9504d1719000fec1d31de01174" title="Returns &#39;cdb&#39;.">name</a>() <span class="keyword">const</span>;
<a name="l00041"></a>00041 <span class="keyword">virtual</span> QStringList <a class="code" href="class_info_cdb_backend.html#a16a29a2335e21a73b8317d23eadb3069" title="Returns the list of all the keys in the registry.">listKeys</a>() <span class="keyword">const</span>;
<a name="l00042"></a>00042 <span class="keyword">virtual</span> QString <a class="code" href="class_info_cdb_backend.html#aca1274681b8a808f1827d08b44f71319" title="Returns a type for the given key.">typeForKey</a>(QString key) <span class="keyword">const</span>;
<a name="l00043"></a>00043 <span class="keyword">virtual</span> QString <a class="code" href="class_info_cdb_backend.html#a96b65379f588dc602406449012a9ceae" title="Returns the documentation for the given key name.">docForKey</a>(QString key) <span class="keyword">const</span>;
<a name="l00044"></a>00044 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_info_cdb_backend.html#a79ee60153f6d7113ee7c454495ed3d87" title="Returns true if the given key exists.">keyDeclared</a>(QString key) <span class="keyword">const</span>;
<a name="l00045"></a>00045 <span class="keyword">virtual</span> <span class="keyword">const</span> QList<ContextProviderInfo> <a class="code" href="class_info_cdb_backend.html#ac28d61755c842e1226fbd4e44f69a040" title="Returns a list of providers for the given key.">providersForKey</a>(QString key) <span class="keyword">const</span>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">static</span> QString <a class="code" href="class_info_cdb_backend.html#a2ec440b4df1e409e6cf74f5fd514fb6c" title="Returns the full path to the database directory.">databaseDirectory</a>();
<a name="l00048"></a>00048 <span class="keyword">static</span> QString <a class="code" href="class_info_cdb_backend.html#a1a31a6076fc78a72e0bc00135d110fa2" title="Returns the full path to the database.">databasePath</a>();
<a name="l00049"></a>00049 <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="class_info_cdb_backend.html#a99e18dd002d2fdf388914721eb53599f" title="Returns true if the database file is present.">databaseExists</a>();
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">private</span>:
<a name="l00052"></a><a class="code" href="class_info_cdb_backend.html#ab3f82f73e8f0c453716cfe0142b19d45">00052</a> QFileSystemWatcher <a class="code" href="class_info_cdb_backend.html#ab3f82f73e8f0c453716cfe0142b19d45" title="A watched object obsering the database file. Delivers synced notifications.">watcher</a>;
<a name="l00053"></a><a class="code" href="class_info_cdb_backend.html#ac58abb26efac881051ae758d57aa3738">00053</a> <a class="code" href="class_c_d_b_reader.html" title="A wrapper class to read data from a tiny-cdb database.">CDBReader</a> <a class="code" href="class_info_cdb_backend.html#ac58abb26efac881051ae758d57aa3738" title="The cdb reader object used to access the cdb database.">reader</a>;
<a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="class_info_cdb_backend.html#af9a982a33f464a0579357fbc53e3305c">watch</a>();
<a name="l00055"></a>00055 <span class="keyword">static</span> QStringList <a class="code" href="class_info_cdb_backend.html#a8d422f8e80ad4feb74620c6dd793cefd">variantListToStringList</a>(<span class="keyword">const</span> QVariantList &l);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">private</span> slots:
<a name="l00058"></a>00058 <span class="keywordtype">void</span> <a class="code" href="class_info_cdb_backend.html#a809ba5fe86160dd85c3221b91f480a8d" title="Called when the database changes.">onDatabaseFileChanged</a>(<span class="keyword">const</span> QString &path);
<a name="l00059"></a>00059 <span class="keywordtype">void</span> <a class="code" href="class_info_cdb_backend.html#a9a95be7eb4456ff22f28a37fd5eb1945" title="Called when the directory with cache.db chanes.">onDatabaseDirectoryChanged</a>(<span class="keyword">const</span> QString &path);
<a name="l00060"></a>00060 };
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="preprocessor">#endif // INFOCDBBACKEND_H</span>
</pre></div></div>
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