Review Request: Watch over interface changes in Solid::PowerManagement

[Dario Freddi]

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Review request for kdelibs and Kevin Ottens.


Summary
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At the moment Solid::PowerManagement does not watch over interface validity, which is probably the cause for the bug attached. This patch should fix that.

P.S.: I did not use the 4.6 goodness (QWeakPointer and QDBusServiceWatcher) as I intend to backport this. Done that I'll use them in trunk.


This addresses bug 214921.
    https://bugs.kde.org/show_bug.cgi?id=214921


Diffs
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  /trunk/KDE/kdelibs/solid/solid/powermanagement.cpp 1050644 
  /trunk/KDE/kdelibs/solid/solid/powermanagement_p.h 1050644 

Diff: http://reviewboard.kde.org/r/2196/diff


Testing
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Compiles and works


Thanks,

Dario