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<h1>notificationmanager.cpp</h1><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 Akregator.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2005 Frank Osterfeld <frank.osterfeld at kdemail.net></span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> As a special exception, permission is given to link this program</span>
<a name="l00021"></a>00021 <span class="comment"> with any edition of Qt, and distribute the resulting executable,</span>
<a name="l00022"></a>00022 <span class="comment"> without including the source code for Qt in the source distribution.</span>
<a name="l00023"></a>00023 <span class="comment">*/</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <klocale.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <knotifyclient.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <kstaticdeleter.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <kurl.h></span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <qlabel.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include "feed.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "notificationmanager.h"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">namespace </span>Akregator {
<a name="l00037"></a>00037
<a name="l00038"></a>00038 NotificationManager::NotificationManager() : QObject()
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 m_intervalsLapsed = 0;
<a name="l00041"></a>00041 m_checkInterval = 2000;
<a name="l00042"></a>00042 m_maxIntervals = 10;
<a name="l00043"></a>00043 m_running = <span class="keyword">false</span>;
<a name="l00044"></a>00044 m_addedInLastInterval = <span class="keyword">false</span>;
<a name="l00045"></a>00045 m_maxArticles = 20;
<a name="l00046"></a>00046 m_widget = NULL;
<a name="l00047"></a>00047 m_instance = NULL;
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 NotificationManager::~NotificationManager()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 m_self = 0;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a><a class="code" href="classAkregator_1_1NotificationManager.html#6e9b31922584f71f31bed46099249279">00055</a> <span class="keywordtype">void</span> <a class="code" href="classAkregator_1_1NotificationManager.html#6e9b31922584f71f31bed46099249279" title="the widget used for notification, normally either the mainwindow or the tray icon...">NotificationManager::setWidget</a>(QWidget* widget, KInstance* inst)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 m_widget = widget;
<a name="l00058"></a>00058 m_instance = inst != NULL ? inst : KGlobal::instance();
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="classAkregator_1_1NotificationManager.html#9a98652fc36c51db3697de12efe54728">00061</a> <span class="keywordtype">void</span> <a class="code" href="classAkregator_1_1NotificationManager.html#9a98652fc36c51db3697de12efe54728" title="notifies an article.">NotificationManager::slotNotifyArticle</a>(<span class="keyword">const</span> <a class="code" href="classAkregator_1_1Article.html" title="A proxy class for RSS::Article with some additional methods to assist sorting.">Article</a>& article)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 m_articles.append(article);
<a name="l00064"></a>00064 m_addedInLastInterval = <span class="keyword">true</span>;
<a name="l00065"></a>00065 <span class="keywordflow">if</span> (m_articles.count() >= m_maxArticles)
<a name="l00066"></a>00066 doNotify();
<a name="l00067"></a>00067 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!m_running)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 m_running = <span class="keyword">true</span>;
<a name="l00070"></a>00070 QTimer::singleShot(m_checkInterval, <span class="keyword">this</span>, SLOT(slotIntervalCheck()));
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a><a class="code" href="classAkregator_1_1NotificationManager.html#ae95ea64a6f5e5e3fcd5812a564a95e0">00074</a> <span class="keywordtype">void</span> <a class="code" href="classAkregator_1_1NotificationManager.html#ae95ea64a6f5e5e3fcd5812a564a95e0" title="notifies the addition of feeds (used when added via DCOP or command line)">NotificationManager::slotNotifyFeeds</a>(<span class="keyword">const</span> QStringList& feeds)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (feeds.count() == 1)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 KNotifyClient::Instance inst(m_instance);
<a name="l00079"></a>00079 KNotifyClient::event(m_widget->winId(), <span class="stringliteral">"feed_added"</span>, i18n(<span class="stringliteral">"Feed added:\n %1"</span>).arg(feeds[0]));
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (feeds.count() > 1)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 QString message;
<a name="l00084"></a>00084 <span class="keywordflow">for</span> (QStringList::ConstIterator it = feeds.begin(); it != feeds.end(); ++it)
<a name="l00085"></a>00085 message += *it + <span class="stringliteral">"\n"</span>;
<a name="l00086"></a>00086 KNotifyClient::Instance inst(m_instance);
<a name="l00087"></a>00087 KNotifyClient::event(m_widget->winId(), <span class="stringliteral">"feed_added"</span>, i18n(<span class="stringliteral">"Feeds added:\n %1"</span>).arg(message));
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordtype">void</span> NotificationManager::doNotify()
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 QString message = <span class="stringliteral">"<html><body>"</span>;
<a name="l00094"></a>00094 QString feedTitle;
<a name="l00095"></a>00095 QValueList<Article>::ConstIterator it = m_articles.begin();
<a name="l00096"></a>00096 QValueList<Article>::ConstIterator en = m_articles.end();
<a name="l00097"></a>00097 <span class="keywordflow">for</span> (; it != en; ++it)
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 <span class="keywordflow">if</span> (feedTitle != (*it).feed()->title())
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 feedTitle = (*it).feed()->title();
<a name="l00102"></a>00102 message += QString(<span class="stringliteral">"<p><b>%1:</b></p>"</span>).arg(feedTitle);
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 message += (*it).title() + <span class="stringliteral">"<br>"</span>;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 message += <span class="stringliteral">"</body></html>"</span>;
<a name="l00107"></a>00107 KNotifyClient::Instance inst(m_instance);
<a name="l00108"></a>00108 KNotifyClient::event(m_widget->winId(), <span class="stringliteral">"new_articles"</span>, message);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 m_articles.clear();
<a name="l00111"></a>00111 m_running = <span class="keyword">false</span>;
<a name="l00112"></a>00112 m_intervalsLapsed = 0;
<a name="l00113"></a>00113 m_addedInLastInterval = <span class="keyword">false</span>;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">void</span> NotificationManager::slotIntervalCheck()
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (!m_running)
<a name="l00119"></a>00119 <span class="keywordflow">return</span>;
<a name="l00120"></a>00120 m_intervalsLapsed++;
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (!m_addedInLastInterval || m_articles.count() >= m_maxArticles || m_intervalsLapsed >= m_maxIntervals)
<a name="l00122"></a>00122 doNotify();
<a name="l00123"></a>00123 <span class="keywordflow">else</span>
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 m_addedInLastInterval = <span class="keyword">false</span>;
<a name="l00126"></a>00126 QTimer::singleShot(m_checkInterval, <span class="keyword">this</span>, SLOT(slotIntervalCheck()));
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 NotificationManager* NotificationManager::m_self;
<a name="l00132"></a>00132 <span class="keyword">static</span> KStaticDeleter<NotificationManager> notificationmanagersd;
<a name="l00133"></a>00133
<a name="l00134"></a><a class="code" href="classAkregator_1_1NotificationManager.html#ce0606a2f69a9c64eca15707a706241c">00134</a> <a class="code" href="classAkregator_1_1NotificationManager.html" title="this class collects notification requests (new articles etc.">NotificationManager</a>* <a class="code" href="classAkregator_1_1NotificationManager.html#ce0606a2f69a9c64eca15707a706241c" title="singleton instance of notification manager">NotificationManager::self</a>()
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (!m_self)
<a name="l00137"></a>00137 m_self = notificationmanagersd.setObject(m_self, <span class="keyword">new</span> <a class="code" href="classAkregator_1_1NotificationManager.html" title="this class collects notification requests (new articles etc.">NotificationManager</a>);
<a name="l00138"></a>00138 <span class="keywordflow">return</span> m_self;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 } <span class="comment">// namespace Akregator</span>
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="preprocessor">#include "notificationmanager.moc"</span>
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