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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/109599/">http://git.reviewboard.kde.org/r/109599/</a>
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<p>Ship it!</p>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Ok, I know I'm annoying and probably paranoid... But I see race conditions everywhere! </pre>
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<a href="http://git.reviewboard.kde.org/r/109599/diff/3/?file=120558#file120558line65" style="color: black; font-weight: bold; text-decoration: underline;">presence/src/presence-applet.cpp</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">TelepathyPresenceApplet::TelepathyPresenceApplet(QObject *parent, const QVariantList &args)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="c1">//start watching for contact list appearing on the bus</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">m_contactListWatcher</span> <span class="o">=</span> <span class="k">new</span> <span class="n">QDBusServiceWatcher</span><span class="p">(</span><span class="n">QLatin1String</span><span class="p">(</span><span class="s">"org.kde.ktp-contactlist"</span><span class="p">),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QDBusConnection</span><span class="o">::</span><span class="n">sessionBus</span><span class="p">(),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QDBusServiceWatcher</span><span class="o">::</span><span class="n">WatchForRegistration</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="o">|</span> <span class="n">QDBusServiceWatcher</span><span class="o">::</span><span class="n">WatchForUnregistration</span><span class="p">,</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">this</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">connect</span><span class="p">(</span><span class="n">m_contactListWatcher</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">serviceRegistered</span><span class="p">(</span><span class="n">QString</span><span class="p">)),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">this</span><span class="p">,</span> <span class="n">SLOT</span><span class="p">(</span><span class="n">contactListServiceRegistered</span><span class="p">()));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">connect</span><span class="p">(</span><span class="n">m_contactListWatcher</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">serviceUnregistered</span><span class="p">(</span><span class="n">QString</span><span class="p">)),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">this</span><span class="p">,</span> <span class="n">SLOT</span><span class="p">(</span><span class="n">contactListServiceUnregistered</span><span class="p">()));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="c1">//find out if contact list is already running</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QDBusPendingCall</span> <span class="n">async</span> <span class="o">=</span> <span class="n">QDBusConnection</span><span class="o">::</span><span class="n">sessionBus</span><span class="p">().</span><span class="n">interface</span><span class="p">()</span><span class="o">-></span><span class="n">asyncCall</span><span class="p">(</span><span class="n">QLatin1String</span><span class="p">(</span><span class="s">"NameHasOwner"</span><span class="p">),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QLatin1String</span><span class="p">(</span><span class="s">"org.kde.ktp-contactlist"</span><span class="p">));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QDBusPendingCallWatcher</span> <span class="o">*</span><span class="n">callWatcher</span> <span class="o">=</span> <span class="k">new</span> <span class="n">QDBusPendingCallWatcher</span><span class="p">(</span><span class="n">async</span><span class="p">,</span> <span class="k">this</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">connect</span><span class="p">(</span><span class="n">callWatcher</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">finished</span><span class="p">(</span><span class="n">QDBusPendingCallWatcher</span><span class="o">*</span><span class="p">)),</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">this</span><span class="p">,</span> <span class="n">SLOT</span><span class="p">(</span><span class="n">serviceNameFetchFinished</span><span class="p">(</span><span class="n">QDBusPendingCallWatcher</span><span class="o">*</span><span class="p">)));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I wonder if there is the possibility that you call NameHasOwner that is going to return false, but before the slot is activated, the contact list registers on dbus and the service watcher calls its slot.
So the watcher slot sets it to true, but immediately after the NameHasOwner sets it to false, and therefore the toggleWindowVisibility will not be called until you close the contact list.</pre>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Anyway even if it is possible (and probably it is not) it's not a big issue, so ship it until someone reports a bug on this :P</pre>
<p>- Daniele E.</p>
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<p>On March 20th, 2013, 3:43 p.m. UTC, Martin Klapetek wrote:</p>
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<div>Review request for Telepathy.</div>
<div>By Martin Klapetek.</div>
<p style="color: grey;"><i>Updated March 20, 2013, 3:43 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This extends Dan's patch with a method in contact list, which will be part 2/2.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Works.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>presence/src/presence-applet.h <span style="color: grey">(f4889d6)</span></li>
<li>presence/src/presence-applet.cpp <span style="color: grey">(58b6737)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/109599/diff/" style="margin-left: 3em;">View Diff</a></p>
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