Support for the upcoming tabGroups API

[rohanb10]

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Tab Groups are a fun new feature that has been slowly rolling out through the Chrome channels

Here's a blog post with more details.

API support for tab groups was missing at launch, but it is slowly rolling out starting with Chrome 88.

Here's a brief plan to support this feature. Hopefully we will be able to get metadata for groupID and groupName and potentially groupColor.

Popup

• [ ] Rework the UI for choosing between tabs and windows to also allow choosing a group/selected tabs..
• [ ] If snoozing a single tab which is part of a group, save the groupID/groupName.

Background Tab groups will be similar in structure as windows, so no need for a lot of background changes.

• [ ] Restore tabs to their groups when waking them up.

Dashboard

• [ ] Add some sort of UI indicator of the tab name/colour.

Settings

• [ ] Add a new option to select the default snooze type: tab, window, group or selection.
• [ ] Apply this setting to the popup and keyboard shortcuts.

New Window landing page

• [ ] Add UI elements to show tab groups together.

Not all browsers will support this feature. But they should. It's a good one.

[rohanb10]

Looking at the design doc, it seems like a new permission tabGroups will be required. Also will have access to names and colours of groups

https://docs.google.com/document/d/1WgNtyBSuSmmHIuENU8IKLZmSK3tAVPpnjwjfD3clxqI/edit

[rohanb10]

Needs Manifest V3 to use the tabGroups permission. I've written the UI to support this feature, but it will not be done until V3 is more widely available (Firefox mainly)