[Kde-hardware-devel] Review Request 125156: Fix brightness and animation

[Xuetian Weng]

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https://git.reviewboard.kde.org/r/125156/
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Review request for Solid and Kai Uwe Broulik.


Bugs: 350676
    https://bugs.kde.org/show_bug.cgi?id=350676


Repository: powerdevil


Description
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As described in https://bugs.kde.org/show_bug.cgi?id=350676#c5

There are two issue here:
1. m_cacheBrightness may not be updated after animation.
2. setStartValue and setEndValue may emit unwanted valueChanged even when animation is stopped. Though I don't agree that the bug is in Qt (see my https://bugs.kde.org/show_bug.cgi?id=350676#c7). But we need to skip this emit anyway.

1 is resolved by always query the brightness when animation emit finished(). slotScreenBrightnessChanged is reused for this purpose.
2 is resolved by disconnect and reconnect the signal to skip setStartValue and setEndValue.


Diffs
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  daemon/backends/upower/powerdevilupowerbackend.cpp 3262c35 

Diff: https://git.reviewboard.kde.org/r/125156/diff/


Testing
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not be able to reproduce 350676.


Thanks,

Xuetian Weng

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