Photon Engineering Newsletter #5

Time for a solid update #5! So far the Photon project appears to be well on track — our work is scoped to what we think is achievable for Firefox 57, and we’re generally fixing bugs at a good rate.

Search Box?

If you’ve been paying attention to any of the Photon mockups and design specs floating around, you may have noticed the conspicuous absence of the search box in the toolbar (i.e. there’s just a location field and buttons). What’s up with that?

win10mock

For some time now, we’ve been working on improving searching directly from the location field. You can already search from there by simply entering your search term, see search suggestions as you type, and click the icons of other search engines to do a one-off search with them instead of your default. [The one-off search feature has been in Nightly for a while, and will start shipping in Firefox 55.] The location bar now can do everything the search box can, and more. So at this point the search box is a vestigial leftover from how browsers worked 10+ years ago, and we’d like to remove it to reclaim precious UI space. Today, no other major browser ships with both a location field and search box.

That said, we’re being careful about understanding the impact of removing the search box, since it’s been such a long-standing feature. We’re currently running a series of user studies to make sure we understand how users search, and that the unified search/location bar meets their needs. And since Mozilla works closely with our search engine partners, we also want to make sure any changes to how users search is not a surprise.

Finally, I should note that this is about removing the search box as the default for _new_ Firefox users. Photon won’t be removing the search box entirely, you’ll still be able to add it back through Customize Mode if you so desire. (Please put down your pitchforks and torches. Thank you.) We’re still discussing what to do for existing users… There’s a trade-off between proving a fresh, clean, and modern experience as part of the upgrade to Photon (especially for users who haven’t been using the search box), and removing a UI element that some people have come to expect and use.

Recent Changes

Menus/structure:
  • Hamburger panel is now feature complete!
    • An exit/quit menu item was added (except on macOS, as the native menubar handles this).
    • A restyled zoom control was added.
    • One small feature-not-yet-complete: the library subview is reusing the same content as the library panel, and so won’t be complete until the library panel itself is complete.
    • A number of smaller bugs and regressions fixed.
  • Initial version of the new Library panel has landed
    • It still needs a lot of work, items are missing, and the styling isn’t done. Landing this early allows us to unblock work in other areas of Photon (notably animations) that need to interact with this button.
    • We haven’t placed it into the toolbar by default yet. Until we do so, if you want to play with it you’ll need to manually add it from Customization mode.
  • We’re getting ready to enable the Photon structure pref by default on Nightly, and are just fixing the last tests so that everything is green on our CI infrastructure. Soon!
Animation:
  • Landed a patch that allows us to move more of our animations to the compositor and off of the main thread. Previously, this optimization was only allowed when the item’s width was narrower than the window, now it’s based on available area. (Our animations are using very wide sprite sheet “filmstrips” which required this — more about this in a future update).
  • Work continues on animations for downloads toolbar button, stop/reload button, and page loading indicator. The first two have gone up for review, and unfortunately we found some issues with the plan for the downloads button which requires further work.
Preferences:
  • Finalized spec for the preferences reorg version 2. The team will now begin implementation of the changes.
  • The team is working on improving search highlighting in about:preferences to include sub-dialogs and fixing some highlight/tooltip glitches.
  • The spec for Search behavior is also being finalized.
Visual redesign:
Onboarding:
  • Enabled the basic onboarding overlay on about:newtab and about:home. Now you can see a little fox icon on the top-left corner on about:newtab and about:home on Nightly! (Here’s the full spec for what will eventually be implemented. We’re working on getting the first version ready for Firefox 56.)
  • Finished creating the message architecture so that the Auto-migration code can talk with Activity Stream
Performance:

That’s all for this week!

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5 thoughts on “Photon Engineering Newsletter #5”

  1. Hi,

    thank you for your work on Firefox and Photon.

    Regaring search box: the most important feature is still missing in the url bar in Firefox Nightly. It’s still not possible to add new search engines (OpenSearch) without the search field. Or do I overlook something?

    1. Yeah, that’s not implemented yet. We’re looking at it, but in the meantime you can still add them though the search box (and they’ll then be available in the awesomebar one-off search list). It’s a little awkward, but adding search engines is a pretty rare operation to perform.

  2. Can you give me one but really good argument about hamburger menu always on the right? I can’t understand why it can’t be movable like other elemnts of UI. Structure of menu will be always the same. So no mather what, if it will be on the lef or right side of screen it allways will look the same. Why you devs are so stubborn? I suspect it is only matter of devs convenience.

    ps. (Right now i have this icon in left corner beside tabs bar and this place is great for this button).

    1. It’s general convention at this point, and can significantly complicate design when important UI elements are moved or missing. Photon isn’t changing anything about this — the menu button has been locked there for a few years, and it’s just not a big deal.

  3. Can you explain the removal of 1px in tabbar useful for fast drag the window? … I’m really curios about the great advantages you gained with this decision

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