Style reflection in nested Custom Element from parent <div>

[George Joseph]

Hello All, 

   I am currently evaluating Polymer as an option to use Custom Elements and so far I am impressed with the capabilities.I work primarily on WebKit and  C++ ,please  do forgive me if my JavaScript coding skills appear a bit lacking. 

I have some queries,I would really appreciate it if I could get some answers or pointer:

1) Is there any way a Custom Element could receive notifications or changes in the Div tag,style or CSS in which the Custom Element is embedded. In other words, is there a specific way I could know of changes of the parent node <div> in which <x-foo> objects are embedded, like the example below using  simple JS like :

document.querySelector('#test').style[['top','left','right','width','height','bottom'][Math.floor(Math.random()*5)]]=Math.floor(Math.random()*100);

<div id="test" style="top: 400; left: 50; width: 200; height: 300;">

<x-foo></x-foo>

<x-foo></x-foo>

<x-foo></x-foo>

</div>

2) Is there a way I could use the HTMLCanvasElement for creating a transparent punch through on the screen, so that a video can be displayed using a custom media framework. Ideally this would be like how a CustomElement <camera> tag would work, just that I would be using a ffmpeg/gstreamer to show video from local content.

Any input/help appreciated.

Keep up the good job!Polymer is cool!

Thanks,

George.

[Eric Bidelman]

Seems like a dupe of  http://stackoverflow.com/questions/24125385/style-reflection-in-nested-polymer-based-custom-element-from-parent-div :)

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[George Joseph]

Hello Eric,

 Thanks for the response. That was me posting the first half of the query posted here. 

Thanks,

George.