[Kde-hardware-devel] Review Request 111964: Basic declarative (QML) interface for Solid

[Àlex Fiestas]

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http://git.reviewboard.kde.org/r/111964/
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(Updated Aug. 28, 2013, 2:41 p.m.)


Review request for Solid, Àlex Fiestas, Aleix Pol Gonzalez, David Edmundson, and Kevin Ottens.


Changes
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Added some reviewers for the QML api


Description
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revision 0:

This one will need more review and discussion - it exposes some of Solid functionality to QML.

The reason Solid classes are not exported directly is that they don't tend to have a no-arg constructor, and some of them are not QObjects.

It registers a class (org.kde.solid.)Devices (initially modelled after DeviceNotifier) that contains the following features:
 - ability to list all devices or just those that match a defined query (Solid::Predicate)
 - signals for when devices that match the query are added or deleted
 - isEmpty property - are there no devices that match the query?
 - count property - the number of devices that match the query
 - devices property - a list of udis of the devices that match the query
 - device method that returns a QObject interface to the device.

The things I'm in doubt about:

1. devices property and device(...) method are similarly named, while one gets udis, and the other actual DeviceInterface object.

Possible solutions:
 - devices -> udis or deviceUdis
 - device(...) -> deviceInterface(...) or something else

2. If the user creates two instances with the same query, both instances will contain a query and a Solid::Predicate, the query will be parsed two times and similar.

The implementation could be complicated a bit by creating private parts of instances with the same queries to be shared, but is it worth it?

revision 1:

Shared backends when two Devices objects have a same query.


Diffs
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  tier1/solid/src/CMakeLists.txt c3c462f 
  tier1/solid/src/declarative/CMakeLists.txt PRE-CREATION 
  tier1/solid/src/declarative/devices.h PRE-CREATION 
  tier1/solid/src/declarative/devices.cpp PRE-CREATION 
  tier1/solid/src/declarative/devices_p.h PRE-CREATION 
  tier1/solid/src/declarative/qmldir PRE-CREATION 
  tier1/solid/src/declarative/solidextensionplugin.h PRE-CREATION 
  tier1/solid/src/declarative/solidextensionplugin.cpp PRE-CREATION 

Diff: http://git.reviewboard.kde.org/r/111964/diff/


Testing
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Yes. Created a test QML application.


Thanks,

Ivan Čukić

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