Review Request 112979: Make use of multi-threading in KItemListSizeHintResolver

[Commit Hook]

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https://git.reviewboard.kde.org/r/112979/#review47275
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This review has been submitted with commit 75f0b9b2afbb8e868ef86b93ba58fc7a71c88da8 by Emmanuel Pescosta to branch master.

- Commit Hook


On Jan. 5, 2014, 9:49 p.m., Emmanuel Pescosta wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/112979/
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> (Updated Jan. 5, 2014, 9:49 p.m.)
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> 
> Review request for Dolphin.
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> Repository: kde-baseapps
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> Description
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> Make use of multi-threading in KItemListSizeHintResolver.
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> We need the item size hints of all items in KItemListLayouter::doLayout(),
> so instead of resolving it sequentially during layout calculation, 
> we can resolve all item size hints in parallel before we start the 
> layout calculation.
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> Diffs
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>   dolphin/src/kitemviews/kitemlistview.h dbe9230 
>   dolphin/src/kitemviews/kitemlistview.cpp 7f49721 
>   dolphin/src/kitemviews/kitemlistwidget.h 55181fa 
>   dolphin/src/kitemviews/kstandarditemlistwidget.h 7dd93b2 
>   dolphin/src/kitemviews/kstandarditemlistwidget.cpp acdf839 
>   dolphin/src/kitemviews/private/kitemlistsizehintresolver.h 486f9b6 
>   dolphin/src/kitemviews/private/kitemlistsizehintresolver.cpp 0e2286b 
>   dolphin/src/kitemviews/private/kitemlistviewlayouter.h 19b1479 
>   dolphin/src/kitemviews/private/kitemlistviewlayouter.cpp 90e8a6d 
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> Diff: https://git.reviewboard.kde.org/r/112979/diff/
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> Testing
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> Everything works fine.
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> It is about 1/3 faster on my machine (tested with 100k items in item view mode).
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> Thanks,
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> Emmanuel Pescosta
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