[Libreoffice-bugs] [Bug 132257] Hang pasting HTML from crashreport.libreoffice.org (chrome/vivaldi/opera)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132257

--- Comment #6 from James <bz at thomasclan.co.uk> ---
_observed_
I cannot reproduce the hang described in comment 0 using the data in the
referenced page today, but I can see different appearance, time to render, and
editing in Writer when pasting content from Chrome vs Firefox.

If I use Ctrl-Shift-V to paste, I find that I only see this effect when
choosing the "HTML Format without comments" option

If I inspect the clipboard content with Inside Clipboard, there is ~10x more
HTML data from Chrome than Firefox.

I attempted repro with Writer versions 6.1.2.1, 7.0.0.0.alpha1, and 7.1.2.0.0+.
The edit lag particular is very noticeable when pasting from Chrome. 

_reproduce_

* Open Writer

Repeat for Firefox and Chrome:
* Browse to
https://crashreport.libreoffice.org/stats/signature/CompareSwOutlineNodes::operator()(SwNode%20*%20const%20&,SwNode%20*%20const%20&)
* Click in the page
* Ctrl-A 
* Ctrl-C
* In Writer, File> New> Text Document
* Ctrl-Shift-V
* Choose "HTML Format without comments"
* wait for the content to render
 => takes longer in Chrome than Firefox
 => there are noticeable differences in rendering

* click in a rendered table cell and enter some text
 => there is significant delay in the edits appearing in data pasted from
Chrome

* scroll the document
 => there is significant delay in the edits appearing in data pasted from
Chrome


_exhibits_
I'll attach a zip of the content saved from Chrome and Firefox in each of
Writer 6 and 7, and the Inside Clipboard content for Chrome and Firefox.

_related issues_
I looked for similiar issues and found bug 138226 but I don't see the edit lag
there when pasting content from Chrome or Firefox.

_notes_
If you prefer this observation as a separate ticket, please say and I'll create
one.

_versions_
Version: 6.1.2.1 (x64)
Build ID: 65905a128db06ba48db947242809d14d3f9a93fe
CPU threads: 4; OS: Windows 10.0; UI render: GL; 
Locale: en-GB (en_GB); Calc: CL

Version: 7.1.2.0.0+ (x64) / LibreOffice Community
Build ID: 90294a92f15218bfd18986053dfeeaeaa99c2fd8
CPU threads: 4; OS: Windows 10.0 Build 19041; UI render: Skia/Raster; VCL: win
Locale: en-GB (en_GB); UI: en-GB
Calc: threaded

Version: 7.0.0.0.alpha1 (x64)
Build ID: 6a03b2a54143a9bc0c6d4c7f1...
CPU threads: 4; OS: Windows 10.0 Build 19041; UI render: Skia/Vulkan; VCL: win; 
Locale: en-GB (en_GB); UI: en-GB
Calc: threaded

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