Photo screensaver, an offline photo viewer, a restyled quick panel and a sleep pill: which parts would fit the core?

[Belseck]

Update: where each part went. Every idea below now has a pull request, cut down to fit the rules:

Idea	Pull request
1 and 2. Background photos, the viewer and the photo screensaver	#3283, the Topic Photos add-on: Wikimedia Commons with no key, at the screen's resolution, topics picked on a screen of their own, INTERNET only, nothing in launcher/
3. The restyled quick panel	#3284, closed: the core keeps its panel's look (as with #708), so the sheet stays in the fork
Opening the panel with a held Home	#3241, the off-by-default switch home_hold_panel
4. The sleep pill	None: addons/sleep-timer already covers it, countdown included

The seasonal calendar was dropped after the feedback below. The screenshots are now plain, with no theme, tile ornaments or custom icons. The original proposal follows.

My fork, Belseck/cleanyourtv (listed in SHOWCASE through #3147), adds several things to the launcher. Most of them break the core's rules as they are, and I know that: internet access and an APK around 676 KB. So this is not a pull request. I'd like to ask which parts, cut down to fit the rules, would be welcome here. Everything below runs on a Chromecast with Google TV 4K (Google TV 14); the screenshots come from it, and the UI is in Spanish.

The small pieces that already fit went in as pull requests: #3238 (AdGuard DNS blocks sp.pluto.tv), #3239 (Chromecast notes) and #3241 (home_hold_panel).

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1. Background photos and a photo viewer

A theme can take its background from photos found with its own search terms (Wikimedia Commons with no key, or Unsplash with one), filtered so a season never gets another season's or a holiday's photos, downloaded at the screen's own resolution and changing on a set interval.

View background shows them full screen: Left and Right change the photo, Up shows its details (description, place, author and licence, camera, date, size), Back returns to Home.

This one needs the network, so it stays in the fork. The viewer itself does not: Left/Right and the details could work on a theme's own wallpaper folder, offline.

2. Photo screensaver

A DreamService carousel: the active theme's pictures first, then topics set in Launcher settings, with optional daylight and night pictures. Back on Home opens it on demand. A version that could fit: the same screensaver over the theme's own wallpapers, next to ClockDream, with no network.

3. Quick panel, restyled

The existing QuickSettingsActivity as a side sheet in the style of Android TV's dashboard: time and date, then a grid of tiles with a status line (network connected or not, the sleep timer's minutes). #3241 opens the panel as it is today; this would be its look, if a restyle of that size is welcome in the core.

4. Sleep timer on Home, with a countdown over any app

A moon pill in the top bar sets 15, 30, 60, 90 or 120 minutes, the add-on's lengths; in the last minute a notice stays at the top of the screen over any app, with 15 more minutes and Turn off now, drawn by HomeKeyService as an accessibility overlay (no new permission). I know addons/sleep-timer covers this as an add-on, so I'm only asking whether a pill on Home that drives it would make sense.

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In short, what I'd like to know: which of 2, 3 and 4 (and the offline viewer from 1), in a form that meets the rules (off by default, no network, no new permission, within the gate), would be worth a pull request. I'm happy to cut them down and test each on the TV first.

Edited: the seasonal calendar is no longer part of this proposal, after the feedback below.

[timinside]

2-5 is good features, but the first one - useless I think...

[Belseck]

Where each idea ended up, cut down to fit the rules:

• Background photos, the viewer and the photo screensaver → addons: Topic Photos, freely licensed photos of your own topics as a card and a screensaver #3283, a new add-on (addons/topic-photos/): freely licensed photos of the topics you type, from Wikimedia Commons with no key, searched at the screen's own resolution, with Left/Right, the details on Up and a screensaver. INTERNET only, and nothing under launcher/ changes.
• The restyled quick panel → Launcher: quick_panel_sheet, the quick panel as a full-height sheet of tiles #3284, the off-by-default switch quick_panel_sheet (+824 B, no new layouts or drawables).
• Opening the panel with a held Home where the dashboard is gone → Launcher: home_hold_panel, a held Home opens the quick panel where no dashboard answers it #3241, home_hold_panel.
• The sleep pill → nothing new: addons/sleep-timer already covers it, countdown included.

Thanks for the feedback that took the seasonal calendar out.