D21927: Use window.postMessage instead of creating a wrapper item

[Kai Uwe Broulik]

broulik created this revision.
broulik added reviewers: Plasma, davidedmundson, fvogt.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
broulik requested review of this revision.

REVISION SUMMARY
  This should make it less invasive by not messing with the website DOM.
  Also do some more sanity checks on the input data.

TEST PLAN
  Still get album art, artist info, and callbacks on both Chrome and Firefox

REPOSITORY
  R856 Plasma Browser Integration

REVISION DETAIL
  https://phabricator.kde.org/D21927

AFFECTED FILES
  extension/content-script.js

To: broulik, #plasma, davidedmundson, fvogt
Cc: plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/plasma-devel/attachments/20190620/1b1afeac/attachment.html>