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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/108407/">http://git.reviewboard.kde.org/r/108407/</a>
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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;">There's a couple things to fix</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107185#file107185line64" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/login1suspendjob.cpp</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">case</span> <span class="n">PowerDevil</span>:<span class="o">:</span><span class="n">BackendInterface</span><span class="o">::</span><span class="n">ToRam</span><span class="o">:</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_login1Interface</span><span class="o">-></span><span class="n">callWithArgumentList</span><span class="p">(</span><span class="n">QDBus</span><span class="o">::</span><span class="n">BlockWithGui</span><span class="p">,</span> <span class="s">"Suspend"</span><span class="p">,</span> <span class="n">args</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">break</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">case</span> <span class="n">PowerDevil</span>:<span class="o">:</span><span class="n">BackendInterface</span><span class="o">::</span><span class="n">ToDisk</span><span class="o">:</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_login1Interface</span><span class="o">-></span><span class="n">callWithArgumentList</span><span class="p">(</span><span class="n">QDBus</span><span class="o">::</span><span class="n">BlockWithGui</span><span class="p">,</span> <span class="s">"Hibernate"</span><span class="p">,</span> <span class="n">args</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">break</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">case</span> <span class="n">PowerDevil</span>:<span class="o">:</span><span class="n">BackendInterface</span><span class="o">::</span><span class="n">HybridSuspend</span><span class="o">:</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_login1Interface</span><span class="o">-></span><span class="n">callWithArgumentList</span><span class="p">(</span><span class="n">QDBus</span><span class="o">::</span><span class="n">BlockWithGui</span><span class="p">,</span> <span class="s">"HybridSleep"</span><span class="p">,</span> <span class="n">args</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">break</span><span class="p">;</span></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 don't really like the blocking part here. I'd rather see the async call connecting to a slot emitting the result... lots of bad things might happen otherwise. Moreover, there's no UI thread in the daemon, so the WithGui wouldn't make sense anyway</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107186#file107186line80" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.h</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">private:</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QDBusInterface</span> <span class="o">*</span> <span class="n">m_login1Interface</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="kt">bool</span> <span class="n">m_login1Present</span><span class="p">;</span></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;">Do we really need the boolean here? I'd rather have a QWeakPointer of m_login1Interface and check for its validity to simplify the code.</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107187#file107187line44" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">QDBusConnection</span><span class="o">::</span><span class="n">systemBus</span><span class="p">().</span><span class="n">interface</span><span class="p">()</span><span class="o">-></span><span class="n">isServiceRegistered</span><span class="p">(</span><span class="n">LOGIN1_SERVICE</span><span class="p">))</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">// Is it pending activation?</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">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"Login1 service, "</span> <span class="o"><<</span> <span class="n">LOGIN1_SERVICE</span> <span class="o"><<</span> <span class="s">", is not registered on the bus. Trying to find out if it is activated."</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">QDBusMessage</span> <span class="n">message</span> <span class="o">=</span> <span class="n">QDBusMessage</span><span class="o">::</span><span class="n">createMethodCall</span><span class="p">(</span><span class="s">"org.freedesktop.DBus"</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="s">"/org/freedesktop/DBus"</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="s">"org.freedesktop.DBus"</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="s">"ListActivatableNames"</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">QDBusPendingReply</span><span class="o"><</span> <span class="n">QStringList</span> <span class="o">></span> <span class="n">reply</span> <span class="o">=</span> <span class="n">QDBusConnection</span><span class="o">::</span><span class="n">systemBus</span><span class="p">().</span><span class="n">asyncCall</span><span class="p">(</span><span class="n">message</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">reply</span><span class="p">.</span><span class="n">waitForFinished</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">if</span> <span class="p">(</span><span class="n">reply</span><span class="p">.</span><span class="n">isValid</span><span class="p">())</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">if</span> <span class="p">(</span><span class="n">reply</span><span class="p">.</span><span class="n">value</span><span class="p">().</span><span class="n">contains</span><span class="p">(</span><span class="n">LOGIN1_SERVICE</span><span class="p">))</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">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"Login1 was found, activating service..."</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">systemBus</span><span class="p">().</span><span class="n">interface</span><span class="p">()</span><span class="o">-></span><span class="n">startService</span><span class="p">(</span><span class="n">LOGIN1_SERVICE</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">m_login1Present</span> <span class="o">=</span> <span class="nb">true</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="p">}</span> <span class="k">else</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">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"Login1 cannot be found on this system."</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="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="p">}</span> <span class="k">else</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">kWarning</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"Could not request activatable names to DBus!"</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="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="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">else</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_login1Present</span> <span class="o">=</span> <span class="nb">true</span><span class="p">;</span></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;">Especially, once we get rid of m_login1Present, we can IMHO get rid of all of this with a simple "if (!serviceRegistered) activate();". If the service is not activable the call would simply fail. Note that this already happens in init(), line 83, making this whole portion of code redundant.</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107187#file107187line120" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">m_login1Interface</span> <span class="o">=</span> <span class="k">new</span> <span class="n">QDBusInterface</span><span class="p">(</span><span class="n">LOGIN1_SERVICE</span><span class="p">,</span> <span class="s">"/org/freedesktop/login1"</span><span class="p">,</span> <span class="s">"org.freedesktop.login1.Manager"</span><span class="p">,</span> <span class="n">QDBusConnection</span><span class="o">::</span><span class="n">systemBus</span><span class="p">(),</span> <span class="k">this</span><span class="p">);</span></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;">Moreover, here the interface is created regardless of its existence - not good imho.</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107187#file107187line152" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">canSuspend</span><span class="p">.</span><span class="n">isValid</span><span class="p">()</span> <span class="o">&&</span> <span class="n">canSuspend</span><span class="p">.</span><span class="n">value</span><span class="p">()</span> <span class="o">!=</span> <span class="s">"no"</span><span class="p">)</span></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;">Wow. Is it really a "no" and not a boolean from the remote interface? Can we submit a RFC to upstream systemd here? Or am I missing something?</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107187#file107187line178" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">m_login1Present</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_login1Interface</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">PrepareForSleep</span><span class="p">(</span><span class="kt">bool</span><span class="p">)),</span> <span class="k">this</span><span class="p">,</span> <span class="n">SLOT</span><span class="p">(</span><span class="n">slotLogin1Resuming</span><span class="p">(</span><span class="kt">bool</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">else</span></pre></td>
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<td bgcolor="#ffffff" 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_upowerInterface</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">Resuming</span><span class="p">()),</span> <span class="k">this</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">resumeFromSuspend</span><span class="p">()));</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nf">connect</span><span class="p">(</span><span class="n">m_upowerInterface</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">Resuming</span><span class="p">()),</span> <span class="k">this</span><span class="p">,</span> <span class="n">SIGNAL</span><span class="p">(</span><span class="n">resumeFromSuspend</span><span class="p">()));</span></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;">Coding style: if () { } else {...</pre>
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<a href="http://git.reviewboard.kde.org/r/108407/diff/1/?file=107187#file107187line398" style="color: black; font-weight: bold; text-decoration: underline;">powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">active</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">emit</span> <span class="n">resumeFromSuspend</span><span class="p">();</span></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;">Coding style: if () {...</pre>
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<p>- Dario</p>
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<p>On January 14th, 2013, 12:12 p.m. UTC, Lukáš Tinkl wrote:</p>
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<div>Review request for Solid and Dario Freddi.</div>
<div>By Lukáš Tinkl.</div>
<p style="color: grey;"><i>Updated Jan. 14, 2013, 12:12 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 patch adds support for systemd-login1 service to Powerdevil's upower backend. The main purpose is that UPower will be soon dropping support[1] for suspend/resume features so we have to rely on systemd. With this login1, we are also gaining support for HybridSleep, where implemented by the system.
One caveat: the current login1 implementation doesn't support[2] emitting the "resume from suspend" signal
[1] http://lists.freedesktop.org/archives/devkit-devel/2013-January/001339.html
[2] http://www.freedesktop.org/wiki/Software/systemd/inhibit</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=https://bugzilla.redhat.com/show_bug.cgi?id=859227">https://bugzilla.redhat.com/show_bug.cgi?id=859227</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>powerdevil/daemon/BackendConfig.cmake <span style="color: grey">(5dbe6f6)</span></li>
<li>powerdevil/daemon/backends/upower/login1suspendjob.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>powerdevil/daemon/backends/upower/login1suspendjob.cpp <span style="color: grey">(PRE-CREATION)</span></li>
<li>powerdevil/daemon/backends/upower/powerdevilupowerbackend.h <span style="color: grey">(ba942bd)</span></li>
<li>powerdevil/daemon/backends/upower/powerdevilupowerbackend.cpp <span style="color: grey">(97a409b)</span></li>
<li>powerdevil/daemon/backends/upower/upowersuspendjob.h <span style="color: grey">(bbe2f45)</span></li>
<li>powerdevil/daemon/backends/upower/upowersuspendjob.cpp <span style="color: grey">(fa64ab0)</span></li>
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<p><a href="http://git.reviewboard.kde.org/r/108407/diff/" style="margin-left: 3em;">View Diff</a></p>
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