Hero mode for video players

[aghassemi]

hero attribute on video players enables the following UX behavior:

• Video is moved to the top of the page with full bleed.
• Video autoplays
• Docking UX for the playing video Docking UX for video players #8088
• Maybe preload hero videos as part of preconnect (if not too heavy)
  hero attribute should be implemented as mostly a syntax sugar that brings existing independent effects.
  We already support autoplay.

[jpettitt]

Where did amp-fx-scrollbound suddenly spring from? Is there any design doc on the future of what sounds really useful feature for other scroll related things like showing a fixed mini-header/share bar when the main header scrolls off.

[jridgewell]

Where did amp-fx-scrollbound suddenly spring from? Is there any design doc on the future of what sounds really useful feature for other scroll related things like showing a fixed mini-header/share bar when the main header scrolls off.

/cc @dvoytenko

[aghassemi]

@jpettitt No design doc yet, but we did a hackaton on scroll-bound visual effects a while back ( you can see some of the work on this fork: https://github.com/ampproject/amphtml/commits/amp-scroll-sync, although the API will most likely change ).

Scroll-bound effects is back on our plate, current rough prioritization is to support a few named effects and later expose a generic framework for doing arbitrary transformation based on scrolling. To start, we plan to support:
1- parallax scrolling ( #1443 )
2- minimize-to-corner (this issue)
3- sticky & peekaboo headers (similar to browser address-bar or AMP viewer's header)
4- a generic framework for more advanced use-cases

If you have particular scroll-bound UX that you need, please let me know!
/cc @ericlindley-g

[jpettitt]

#1 and #3 are both things we'd like. Peekaboo footers would be nice too (generic version of amp-sticky-ad)

[zhouyx]

FYI: As already found with amp-sticky-ad. In safari, swipe to dismiss won't work with element placed at the bottom of the page, and bottom navigation bar hidden.

[ampprojectbot]

This issue hasn't been updated in awhile. @aghassemi Do you have any updates?

[ampprojectbot]

This issue hasn't been updated in awhile. @aghassemi Do you have any updates?

[ampprojectbot]

This issue hasn't been updated in awhile. @aghassemi Do you have any updates?

[aghassemi]

not prioritize

[stale]

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