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List: kfm-devel
Subject: Re: Review Request 126904: Avoid checking if the right-clicked folder is in
From: Frank Reininghaus <frank78ac () googlemail ! com>
Date: 2016-02-10 21:43:29
Message-ID: 20160210214329.23891.32880 () mimi ! kde ! org
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> On Jan. 27, 2016, 9:38 a.m., Thomas Lübking wrote:
> > src/dolphincontextmenu.cpp, line 430
> > <https://git.reviewboard.kde.org/r/126904/diff/1/?file=441732#file441732line430>
> >
> > As this will likely feed the places panel as well, it needs to be dynamic?
> >
> > => Could you just operate on a global singleton instance (feeding the panel view \
> > as well as used for such queries) instead?
>
> Emmanuel Pescosta wrote:
> The idea is good but the problem is, that the KItemListController takes over the \
> ownership of the model. So if we really want a singleton places model, we either \
> have to change the controller implemenation or we need a proxy object for the \
> places model.
I think that a singleton object (maybe in KIO) that can be used to manage the Places \
might make sense. This could make it possible to find out if a URL is in the Places \
without expensive Solid queries for the devices, and it would also make the code in \
Dolphin's PlacesItemModel and KFilePlacesModel easier. I have been thinking about \
this for quite some time, but have not managed to work on it yet.
- Frank
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/126904/#review91653
-----------------------------------------------------------
On Feb. 10, 2016, 9:38 p.m., Frank Reininghaus wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126904/
> -----------------------------------------------------------
>
> (Updated Feb. 10, 2016, 9:38 p.m.)
>
>
> Review request for Dolphin and Thomas Lübking.
>
>
> Repository: dolphin
>
>
> Description
> -------
>
> This prevents that the setup of the PlacesItemModel queries Solid for the available \
> devices, which can take some time.
> Places can be added multiple times now using the context menu, but this has always \
> been possible with drag and drop anyway.
> See https://forum.kde.org/viewtopic.php?f=223&t=130617 for a dicsussion on this \
> topic.
>
> Diffs
> -----
>
> src/dolphincontextmenu.cpp af283cf
>
> Diff: https://git.reviewboard.kde.org/r/126904/diff/
>
>
> Testing
> -------
>
> The "Add to Places" entry is always enabled now in the context menu. I never \
> observed a noticeable delay when right-clicking folders, but I am confident that \
> this change removes the delay for the users who saw it.
>
> Thanks,
>
> Frank Reininghaus
>
>
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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/126904/">https://git.reviewboard.kde.org/r/126904/</a>
</td>
</tr>
</table>
<br />
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;"> <p style="margin-top: 0;">On January 27th, 2016, 9:38 a.m. UTC, <b>Thomas \
Lübking</b> wrote:</p> <blockquote style="margin-left: 1em; border-left: 2px solid \
#d0d0d0; padding-left: 10px;">
<table width="100%" border="0" bgcolor="white" style="border: 1px solid #C0C0C0; \
border-collapse: collapse; margin: 2px padding: 2px;"> <thead>
<tr>
<th colspan="4" bgcolor="#F0F0F0" style="border-bottom: 1px solid #C0C0C0; \
font-size: 9pt; padding: 4px 8px; text-align: left;"> <a \
href="https://git.reviewboard.kde.org/r/126904/diff/1/?file=441732#file441732line430" \
style="color: black; font-weight: bold; text-decoration: \
underline;">src/dolphincontextmenu.cpp</a> <span style="font-weight: normal;">
(Diff revision 1)
</span>
</th>
</tr>
</thead>
<tbody>
<tr>
<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" \
align="right"><font size="2">430</font></th> <td bgcolor="#fdfebc" width="50%"><pre \
style="font-size: 8pt; line-height: 140%; margin: 0; "> <span \
class="n">PlacesItemModel</span> <span class="n">model</span><span \
class="p">;</span></pre></td> <th bgcolor="#e9eaa8" style="border-left: 1px solid \
#C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font \
size="2">430</font></th> <td bgcolor="#fdfebc" width="50%"><pre style="font-size: \
8pt; line-height: 140%; margin: 0; "> <span class="c1">// Creating up a \
PlacesItemModel to find out if 'url' is one of the Places</span></pre></td> \
</tr>
</tbody>
</table>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: \
0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">As \
this will likely feed the places panel as well, it needs to be dynamic?</p> <p \
style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: \
inherit;">=> Could you just operate on a global singleton instance (feeding the \
panel view as well as used for such queries) instead?</p></pre> </blockquote>
<p>On January 28th, 2016, 8:53 p.m. UTC, <b>Emmanuel Pescosta</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;"> <pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The idea is good but the \
problem is, that the KItemListController takes over the ownership of the model. So if \
we really want a singleton places model, we either have to change the controller \
implemenation or we need a proxy object for the places model.</pre>
</blockquote>
</blockquote>
<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; \
white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p \
style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: \
inherit;">I think that a singleton object (maybe in KIO) that can be used to manage \
the Places might make sense. This could make it possible to find out if a URL is in \
the Places without expensive Solid queries for the devices, and it would also make \
the code in Dolphin's PlacesItemModel and KFilePlacesModel easier. I have been \
thinking about this for quite some time, but have not managed to work on it \
yet.</p></pre> <br />
<p>- Frank</p>
<br />
<p>On February 10th, 2016, 9:38 p.m. UTC, Frank Reininghaus wrote:</p>
<table bgcolor="#fefadf" width="100%" cellspacing="0" cellpadding="12" style="border: \
1px #888a85 solid; border-radius: 6px; -moz-border-radius: 6px; \
-webkit-border-radius: 6px;"> <tr>
<td>
<div>Review request for Dolphin and Thomas Lübking.</div>
<div>By Frank Reininghaus.</div>
<p style="color: grey;"><i>Updated Feb. 10, 2016, 9:38 p.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
dolphin
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0"> <tr>
<td>
<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;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">This prevents that the setup of the PlacesItemModel \
queries Solid for the available devices, which can take some time.</p> <p \
style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: \
inherit;">Places can be added multiple times now using the context menu, but this has \
always been possible with drag and drop anyway.</p> <p style="padding: \
0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">See \
https://forum.kde.org/viewtopic.php?f=223&t=130617 for a dicsussion on this \
topic.</p></pre> </td>
</tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<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;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">The "Add to Places" entry is always enabled now in the \
context menu. I never observed a noticeable delay when right-clicking folders, but I \
am confident that this change removes the delay for the users who saw it.</p></pre> \
</td> </tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>src/dolphincontextmenu.cpp <span style="color: grey">(af283cf)</span></li>
</ul>
<p><a href="https://git.reviewboard.kde.org/r/126904/diff/" style="margin-left: \
3em;">View Diff</a></p>
</td>
</tr>
</table>
</div>
</body>
</html>
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