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<h1>AbstractTorSettings.cpp</h1><a href="_abstract_tor_settings_8cpp.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">** This file is part of Vidalia, and is subject to the license terms in the</span>
<a name="l00003"></a>00003 <span class="comment">** LICENSE file, found in the top level directory of this distribution. If you</span>
<a name="l00004"></a>00004 <span class="comment">** did not receive the LICENSE file with this file, you may obtain it from the</span>
<a name="l00005"></a>00005 <span class="comment">** Vidalia source package distributed by the Vidalia Project at</span>
<a name="l00006"></a>00006 <span class="comment">** http://www.vidalia-project.net/. No part of Vidalia, including this file,</span>
<a name="l00007"></a>00007 <span class="comment">** may be copied, modified, propagated, or distributed except according to the</span>
<a name="l00008"></a>00008 <span class="comment">** terms described in the LICENSE file.</span>
<a name="l00009"></a>00009 <span class="comment">*/</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">/*</span>
<a name="l00012"></a>00012 <span class="comment">** \file AbstractTorSettings.cpp</span>
<a name="l00013"></a>00013 <span class="comment">** \version $Id: AbstractTorSettings.cpp 3735 2009-04-28 20:28:01Z edmanm $</span>
<a name="l00014"></a>00014 <span class="comment">** \brief Manages settings that need to be SETCONF'ed to Tor</span>
<a name="l00015"></a>00015 <span class="comment">*/</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="_abstract_tor_settings_8h.html">AbstractTorSettings.h</a>"</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment">/** Setting that gets set to <i>true</i> if any settings in the current</span>
<a name="l00020"></a>00020 <span class="comment"> * settings group have been changed since the last time apply() was called. */</span>
<a name="l00021"></a><a class="code" href="_abstract_tor_settings_8cpp.html#a3b89bcfdd6415eda03accefff5ab77ed">00021</a> <span class="preprocessor">#define SETTING_CHANGED "Changed"</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment">/** Constructor. All settings will be under the heading <b>group</b> and</span>
<a name="l00025"></a>00025 <span class="comment"> * <b>torControl</b> will be used to <i>getconf</i> values from Tor. */</span>
<a name="l00026"></a><a class="code" href="class_abstract_tor_settings.html#af90864f7b59ceaa8f3e43cb5004dfd20">00026</a> <a class="code" href="class_abstract_tor_settings.html#af90864f7b59ceaa8f3e43cb5004dfd20">AbstractTorSettings::AbstractTorSettings</a>(<span class="keyword">const</span> QString &group,
<a name="l00027"></a>00027 <a class="code" href="class_tor_control.html">TorControl</a> *torControl)
<a name="l00028"></a>00028 : <a class="code" href="class_v_settings.html">VSettings</a>(group)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <a class="code" href="class_abstract_tor_settings.html#ab5bfd59fbb8e45433b5ce5a9847f90d4">_torControl</a> = torControl;
<a name="l00031"></a>00031 <a class="code" href="class_abstract_tor_settings.html#a072b59c0043ab8dcb2d55f483bc1b680">_backupSettings</a> = <a class="code" href="class_v_settings.html#a71959db59f3b3e9898d15b710e8a69b4">allSettings</a>();
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <a class="code" href="class_v_settings.html#aebcf7105467fb91077fbb4470fcf9624">setDefault</a>(<a class="code" href="_abstract_tor_settings_8cpp.html#a3b89bcfdd6415eda03accefff5ab77ed">SETTING_CHANGED</a>, <span class="keyword">false</span>);
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">/** Reverts all settings to their values at the last time apply() was</span>
<a name="l00037"></a>00037 <span class="comment"> * called. */</span>
<a name="l00038"></a>00038 <span class="keywordtype">void</span>
<a name="l00039"></a><a class="code" href="class_abstract_tor_settings.html#a8435bf9b86fa632ac2c61edf35de889b">00039</a> <a class="code" href="class_abstract_tor_settings.html#a8435bf9b86fa632ac2c61edf35de889b">AbstractTorSettings::revert</a>()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">remove</span>(<span class="stringliteral">""</span>);
<a name="l00042"></a>00042 <span class="keywordflow">foreach</span> (QString key, <a class="code" href="class_abstract_tor_settings.html#a072b59c0043ab8dcb2d55f483bc1b680">_backupSettings</a>.keys()) {
<a name="l00043"></a>00043 <a class="code" href="class_abstract_tor_settings.html#a29b7abc52f7dfcb1453aafa28f902789">setValue</a>(key, <a class="code" href="class_abstract_tor_settings.html#a072b59c0043ab8dcb2d55f483bc1b680">_backupSettings</a>.value(key));
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 <span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment">/** Returns true if any settings have changed since the last time apply()</span>
<a name="l00048"></a>00048 <span class="comment"> * was called. */</span>
<a name="l00049"></a>00049 <span class="keywordtype">bool</span>
<a name="l00050"></a><a class="code" href="class_abstract_tor_settings.html#ad99b94f5f0e35609bd3ed288a68f8700">00050</a> <a class="code" href="class_abstract_tor_settings.html#ad99b94f5f0e35609bd3ed288a68f8700">AbstractTorSettings::changedSinceLastApply</a>()<span class="keyword"> const</span>
<a name="l00051"></a>00051 <span class="keyword"></span>{
<a name="l00052"></a>00052 <span class="keywordflow">return</span> <a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">localValue</a>(<a class="code" href="_abstract_tor_settings_8cpp.html#a3b89bcfdd6415eda03accefff5ab77ed">SETTING_CHANGED</a>).toBool();
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 <span class="comment"></span>
<a name="l00055"></a>00055 <span class="comment">/** Sets a value indicating that the server settings have changed since</span>
<a name="l00056"></a>00056 <span class="comment"> * apply() was last called. */</span>
<a name="l00057"></a>00057 <span class="keywordtype">void</span>
<a name="l00058"></a><a class="code" href="class_abstract_tor_settings.html#a3ed5e24b841e62a5fc04afbc8ce80d76">00058</a> <a class="code" href="class_abstract_tor_settings.html#a3ed5e24b841e62a5fc04afbc8ce80d76">AbstractTorSettings::setChanged</a>(<span class="keywordtype">bool</span> changed)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <a class="code" href="class_abstract_tor_settings.html#a29b7abc52f7dfcb1453aafa28f902789">VSettings::setValue</a>(<a class="code" href="_abstract_tor_settings_8cpp.html#a3b89bcfdd6415eda03accefff5ab77ed">SETTING_CHANGED</a>, changed);
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (!changed)
<a name="l00062"></a>00062 <a class="code" href="class_abstract_tor_settings.html#a072b59c0043ab8dcb2d55f483bc1b680">_backupSettings</a> = <a class="code" href="class_v_settings.html#a71959db59f3b3e9898d15b710e8a69b4">allSettings</a>();
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 <span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment">/** Returns true if the given QVariant contains an empty value, depending on</span>
<a name="l00066"></a>00066 <span class="comment"> * the data type. For example, 0 is considered an empty integer and "" is</span>
<a name="l00067"></a>00067 <span class="comment"> * an empty string. */</span>
<a name="l00068"></a>00068 <span class="keywordtype">bool</span>
<a name="l00069"></a><a class="code" href="class_abstract_tor_settings.html#a52e0ce036d031a3b5523f9dfa02d21b9">00069</a> <a class="code" href="class_abstract_tor_settings.html#a52e0ce036d031a3b5523f9dfa02d21b9">AbstractTorSettings::isEmptyValue</a>(<span class="keyword">const</span> QVariant &value)<span class="keyword"> const</span>
<a name="l00070"></a>00070 <span class="keyword"></span>{
<a name="l00071"></a>00071 <span class="keywordflow">switch</span> (value.type()) {
<a name="l00072"></a>00072 <span class="keywordflow">case</span> QVariant::String:
<a name="l00073"></a>00073 <span class="keywordflow">return</span> (value.toString().isEmpty());
<a name="l00074"></a>00074 <span class="keywordflow">case</span> QVariant::StringList:
<a name="l00075"></a>00075 <span class="keywordflow">return</span> (value.toStringList().isEmpty());
<a name="l00076"></a>00076 <span class="keywordflow">case</span> QVariant::UInt:
<a name="l00077"></a>00077 <span class="keywordflow">case</span> QVariant::Int:
<a name="l00078"></a>00078 <span class="keywordflow">return</span> (value.toUInt() == 0);
<a name="l00079"></a>00079 <span class="keywordflow">case</span> QVariant::Invalid:
<a name="l00080"></a>00080 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00081"></a>00081 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 <span class="comment"></span>
<a name="l00086"></a>00086 <span class="comment">/** Returns the value associated with <b>key</b> saved in the local</span>
<a name="l00087"></a>00087 <span class="comment"> * configuration file. */</span>
<a name="l00088"></a>00088 QVariant
<a name="l00089"></a><a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">00089</a> <a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">AbstractTorSettings::localValue</a>(<span class="keyword">const</span> QString &key)<span class="keyword"> const</span>
<a name="l00090"></a>00090 <span class="keyword"></span>{
<a name="l00091"></a>00091 <span class="keywordflow">return</span> <a class="code" href="class_abstract_tor_settings.html#a6c2c0255bf7d89a14f1ad9ebdd6bf2ef">VSettings::value</a>(key);
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 <span class="comment"></span>
<a name="l00094"></a>00094 <span class="comment">/** Returns the value associated with <b>key</b> by querying TOr via </span>
<a name="l00095"></a>00095 <span class="comment"> * <i>getconf key</i>. */</span>
<a name="l00096"></a>00096 QVariant
<a name="l00097"></a><a class="code" href="class_abstract_tor_settings.html#ac2a8f1b813921e6928f0d3f53e9cbfed">00097</a> <a class="code" href="class_abstract_tor_settings.html#ac2a8f1b813921e6928f0d3f53e9cbfed">AbstractTorSettings::torValue</a>(<span class="keyword">const</span> QString &key)<span class="keyword"> const</span>
<a name="l00098"></a>00098 <span class="keyword"></span>{
<a name="l00099"></a>00099 QVariant defaultVal;
<a name="l00100"></a>00100 QVariant confValue;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 defaultVal = <a class="code" href="class_v_settings.html#a76db82d5e923b9710c9318b50bd6ad67">defaultValue</a>(key);
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (<a class="code" href="class_abstract_tor_settings.html#ab5bfd59fbb8e45433b5ce5a9847f90d4">_torControl</a>) {
<a name="l00104"></a>00104 confValue = <a class="code" href="class_abstract_tor_settings.html#ab5bfd59fbb8e45433b5ce5a9847f90d4">_torControl</a>-><a class="code" href="class_tor_control.html#ace854634f48d61319bcfd73b134aeba1">getConf</a>(key);
<a name="l00105"></a>00105 confValue.convert(defaultVal.type());
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="keywordflow">return</span> (<a class="code" href="class_abstract_tor_settings.html#a52e0ce036d031a3b5523f9dfa02d21b9">isEmptyValue</a>(confValue) ? <a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">localValue</a>(key) : confValue);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 <span class="comment"></span>
<a name="l00110"></a>00110 <span class="comment">/** If Vidalia is connected to Tor, this returns the value associated with</span>
<a name="l00111"></a>00111 <span class="comment"> * <b>key</b> by calling torValue(). Otherwise, this calls localValue() to get</span>
<a name="l00112"></a>00112 <span class="comment"> * the locally saved value associated with <b>key</b>. */</span>
<a name="l00113"></a>00113 QVariant
<a name="l00114"></a><a class="code" href="class_abstract_tor_settings.html#a6c2c0255bf7d89a14f1ad9ebdd6bf2ef">00114</a> <a class="code" href="class_abstract_tor_settings.html#a6c2c0255bf7d89a14f1ad9ebdd6bf2ef">AbstractTorSettings::value</a>(<span class="keyword">const</span> QString &key)<span class="keyword"> const</span>
<a name="l00115"></a>00115 <span class="keyword"></span>{
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (<a class="code" href="class_abstract_tor_settings.html#ab5bfd59fbb8e45433b5ce5a9847f90d4">_torControl</a> && <a class="code" href="class_abstract_tor_settings.html#ab5bfd59fbb8e45433b5ce5a9847f90d4">_torControl</a>-><a class="code" href="class_tor_control.html#a5e39e327ca6c4ef5b4e2ce770a81a59f">isConnected</a>() && !<a class="code" href="class_abstract_tor_settings.html#ad99b94f5f0e35609bd3ed288a68f8700">changedSinceLastApply</a>())
<a name="l00117"></a>00117 <span class="keywordflow">return</span> <a class="code" href="class_abstract_tor_settings.html#ac2a8f1b813921e6928f0d3f53e9cbfed">torValue</a>(key);
<a name="l00118"></a>00118 <span class="keywordflow">return</span> <a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">localValue</a>(key);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <span class="comment"></span>
<a name="l00121"></a>00121 <span class="comment">/** Saves the value <b>val</b> for the setting <b>key</b> to the local</span>
<a name="l00122"></a>00122 <span class="comment"> * settings file. */</span>
<a name="l00123"></a>00123 <span class="keywordtype">void</span>
<a name="l00124"></a><a class="code" href="class_abstract_tor_settings.html#a29b7abc52f7dfcb1453aafa28f902789">00124</a> <a class="code" href="class_abstract_tor_settings.html#a29b7abc52f7dfcb1453aafa28f902789">AbstractTorSettings::setValue</a>(<span class="keyword">const</span> QString &key, <span class="keyword">const</span> QVariant &value)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (value != <a class="code" href="class_abstract_tor_settings.html#a169f730fd477acb8f61cb5cf1026204f">localValue</a>(key)) {
<a name="l00127"></a>00127 <a class="code" href="class_abstract_tor_settings.html#a3ed5e24b841e62a5fc04afbc8ce80d76">setChanged</a>(<span class="keyword">true</span>);
<a name="l00128"></a>00128 <a class="code" href="class_abstract_tor_settings.html#a29b7abc52f7dfcb1453aafa28f902789">VSettings::setValue</a>(key, value);
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
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