mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-17 21:11:34 +03:00
95 lines
2.4 KiB
Ruby
95 lines
2.4 KiB
Ruby
# Note about those lengths:
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# In millisecond, this much combined time (fade and progress update) will
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# *also* be taken at the end to ensure animations can finish smoothly without
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# being all weird.
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# So adding to these values increase the boot time artificially.
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# Adding less than a second overall for a cleaner UX is a good trade-off.
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# More and it's not worth it.
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FADE_LENGTH = 400
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PROGRESS_UPDATE_LENGTH = 500
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VERBOSE = !!Args.get(:verbose, false)
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SKIP_FADEIN = !!Args.get(:skip_fadein, false)
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SOCKET = File.expand_path(Args.get(:socket, "/run/mobile-nixos-init"))
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# Create the UI
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ui = UI.new
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# Socket for status updates
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puts "[splash] Listening on: ipc://#{SOCKET}-messages"
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$messages = ZMQ::Sub.new("ipc://#{SOCKET}-messages", "")
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puts "[splash] Replying on: ipc://#{SOCKET}-replies"
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$replies = ZMQ::Pub.new("ipc://#{SOCKET}-replies")
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# Initial fade-in
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if SKIP_FADEIN
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ui.fade_in(0)
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else
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ui.fade_in(FADE_LENGTH)
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end
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# Main loop handles updating the UI, and doing some work...
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LVGUI.main_loop do
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# ... work like handling the queue!
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# Empty all messages from the queue before continuing.
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loop do
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begin
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msg = JSON.parse($messages.recv(LibZMQ::DONTWAIT).to_str)
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rescue Errno::EWOULDBLOCK
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# No messages left? break out!
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break
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end
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if VERBOSE
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print "[splash:recv] "
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p msg
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end
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# Update the UI...
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# First updating the current progress
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ui.set_progress(msg["progress"])
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ui.show_recovery_notice(msg["recovery"])
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# Update the label as needed.
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if msg["label"]
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ui.set_label(msg["label"])
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else
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ui.set_label("")
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end
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# We might have a special command; handle it.
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if msg["command"] then
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command = msg["command"]
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case command["name"]
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when "quit"
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sticky = msg["sticky"]
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ui.quit!(sticky: sticky)
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when "ask"
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ui.ask_user(placeholder: command["placeholder"], identifier: command["identifier"], cb: ->(value) do
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msg = {
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type: "reply",
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identifier: command["identifier"],
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value: value,
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}.to_json
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if VERBOSE
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print "[splash:send] "
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p msg
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end
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$replies.send(msg)
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end)
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else
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$stderr.puts "[splash] Unexpected command #{command.to_json}..."
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end
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end
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end
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end
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$stderr.puts "[splash] Broke out of the rendering loop. That's not supposed to happen."
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exit(1)
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