Review Request 124361: Fix battery widget not appearing after kdeconnectd restarts

[Lamarque Souza]

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https://git.reviewboard.kde.org/r/124361/
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Review request for kdeconnect.


Repository: kdeconnect-kde


Description
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Sometimes (just sometimes) battery widget does not show up at system tray when I log in. After I restart kdeconnectd I see the message "dbus interface not valid" in my session's log and the battery widget still does not appear. After some investigation it seems m_dbusInterface is becoming invalid and consequently DevicesModel::refreshDeviceList() does nothing. This patch works around this problem.

I added another workaround to fix the memory leak described in 0f38eb34a4ee25f5a1c182822cebe5b44c788aaa. The leaked object is the same one reported as invalid by DevicesModel::refreshDeviceList(), so maybe the problem is related.

Oddly, there is no bug entry in bugs.kde.org about this problem.


Diffs
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  interfaces/devicesmodel.h 816810e 
  interfaces/devicesmodel.cpp 3ac68ab 
  plugins/battery/batterydbusinterface.h fb5d768 
  plugins/battery/batterydbusinterface.cpp 4b885ff 

Diff: https://git.reviewboard.kde.org/r/124361/diff/


Testing
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Battery widget appears again when my phone's kdeconnect agent sends any dbus update signal to kdeconnect-kde. No crashes due to deleting BatteryDbusInterface object.


Thanks,

Lamarque Souza

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