Requirement for Element Queries

Dear RICG.

Please, find on this emails some comments to the "Use Cases and
Requirements for Element Queries" draft document in
https://responsiveimagescg.github.io/cq-usecases/ :

We find this work very interesting since we completely agree on the need to
"define styles within an individual module on the basis of the size of the
module itself rather than the viewport" and "the need for a standardized
method of allowing content to respond to its container’s dimensions".

>From the code in GitHub you provide, we find that you enable
container-based element queries fired by a change on the viewport size. We
think this could be extended to a change on the size of each element. We
are working on the MediaScape (www.mediascapeproject.eu) project, where we
are creating tools and libraries to create a multi-device media application
based on Web technologies. For example, if we have an application with N
elements, and a user is consuming that application from two devices at the
same time (let's say a TV and a tablet), the TV will show only some of the
N elements, and the tablet will show other elements. In this scenario, if
the user turns off the TV, all the elements will be presented in the
tablet. All the layout in the tablet will be resized, changing the size of
each element. The container-based element queries should be applied, even
if there is not a viewport change event.

We are implementing this using Web Components as the elements. We find Web
Components interesting, since they provide the containter/element concept.

We would like to know if you have thought about extending your proposal in
this direction, adding this as a new requirement for the element queries.
Don't hesitate to contact us for more explanations.

Best regards,

Mikel Zorrilla Berasategi
Senior Researcher & Project Manager
Digital Television and Multimedia Services

Vicomtech-IK4 - Visual Interaction Communication Technologies
Mikeletegi Pasealekua, 57 - Parque Tecnológico
20009 Donostia - San Sebastián - Spain
Tel: +[34] 943 30 92 30
Fax: +[34] 943 30 93 93
e-mail: mzorrilla@vicomtech.org
www.vicomtech.org

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