ProtectedrenderInvoked on each update to perform rendering tasks. This method may return
any value renderable by lit-html's ChildPart - typically a
TemplateResult. Setting properties inside this method will not trigger
the element to update.
StaticstylesArray of styles to apply to the element. The styles should be defined
using the css tag function, via constructible stylesheets, or
imported from native CSS module scripts.
Note on Content Security Policy:
Element styles are implemented with <style> tags when the browser doesn't
support adopted StyleSheets. To use such <style> tags with the style-src
CSP directive, the style-src value must either include 'unsafe-inline' or
nonce-<base64-value> with <base64-value> replaced be a server-generated
nonce.
To provide a nonce to use on generated <style> elements, set
window.litNonce to a server-generated nonce in your page's HTML, before
loading application code:
<script>
// Generated and unique per request:
window.litNonce = 'a1b2c3d4';
</script>
A display that shows the thumbnail image at the current preview time of a
<theoplayer-time-range>.The first
metadatatext track whose label equals"thumbnails"is used as source for the thumbnails. This track is expected to contain cues whose content is the URL for the thumbnail image. If the thumbnail image URL ends with a spatial fragment (e.g.#xywh=180,80,60,40), then the thumbnail is clipped to the rectangle defined by that fragment.If the stream does not contain thumbnails, then this display shows nothing.
Custom Element
<theoplayer-preview-thumbnail>