mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-09-11 03:55:23 +03:00
352 lines
8.4 KiB
Ruby
352 lines
8.4 KiB
Ruby
begin
|
|
|
|
data = JSON.parse(File.read(ARGV.first))
|
|
|
|
$exit = false
|
|
$code = data["code"]
|
|
$color = data["color"]
|
|
$delay = data["delay"]
|
|
$message = data["message"]
|
|
$status = data["status"]
|
|
$title = data["title"]
|
|
|
|
$color = $color.rjust(6, "0").rjust(8, "F").to_i(16)
|
|
|
|
class UI
|
|
# As this is not using BaseWindow, LVGUI::init isn't handled for us.
|
|
LVGUI.init(assets_path: "boot-error/assets")
|
|
|
|
def initialize()
|
|
add_screen
|
|
|
|
# First add the title bar, other elements will sit under.
|
|
add_title_bar
|
|
# Then, action pane, so we can get its height
|
|
add_actions_pane
|
|
# Finally, messages pane, which takes the remainder.
|
|
add_messages_pane
|
|
|
|
# Re-compute the layout
|
|
relayout()
|
|
end
|
|
|
|
def add_screen()
|
|
@screen = LVGL::LVContainer.new()
|
|
|
|
# Create a new style
|
|
style = @screen.get_style(LVGL::CONT_STYLE::MAIN).dup
|
|
@screen.set_style(LVGL::CONT_STYLE::MAIN, style)
|
|
|
|
style.body_main_color = $color
|
|
style.body_grad_color = $color
|
|
end
|
|
|
|
def add_title_bar()
|
|
@title_bar = LVGL::LVContainer.new(@screen)
|
|
@title_bar.set_width(@screen.get_width())
|
|
@title_bar.set_height(16*unit)
|
|
@title_bar.set_pos(0, 0)
|
|
|
|
@title_bar.get_style(LVGL::CONT_STYLE::MAIN).dup.tap do |style|
|
|
@title_bar.set_style(LVGL::CONT_STYLE::MAIN, style)
|
|
style.body_main_color = 0x00000000
|
|
style.body_grad_color = 0x00000000
|
|
style.body_border_width = 0
|
|
style.body_radius = 0
|
|
style.body_opa = (255 * 0.30).to_i
|
|
end
|
|
|
|
add_sad_phone
|
|
add_title
|
|
end
|
|
|
|
def add_actions_pane()
|
|
@actions_pane = LVGL::LVContainer.new(@screen)
|
|
@actions_pane.set_width(get_pane_width())
|
|
|
|
# When horizontal, we know it's placed to the right, full height.
|
|
if horizontal?
|
|
@actions_pane.set_height(@screen.get_height() - @title_bar.get_height())
|
|
@actions_pane.set_pos(get_pane_width(), @title_bar.get_height())
|
|
end
|
|
|
|
@actions_pane.get_style(LVGL::CONT_STYLE::MAIN).dup.tap do |style|
|
|
@actions_pane.set_style(LVGL::CONT_STYLE::MAIN, style)
|
|
style.body_main_color = 0x00000000
|
|
style.body_grad_color = 0x00000000
|
|
style.body_border_width = 0
|
|
style.body_radius = 0
|
|
style.body_opa = (255 * 0.20).to_i
|
|
end
|
|
|
|
add_time_left
|
|
end
|
|
|
|
def add_messages_pane()
|
|
@messages_pane = LVGL::LVContainer.new(@screen)
|
|
@messages_pane.set_width(get_pane_width())
|
|
@messages_pane.set_pos(0, @title_bar.get_height())
|
|
|
|
# When horizontal, full height
|
|
if horizontal?
|
|
@messages_pane.set_height(@screen.get_height() - @title_bar.get_height())
|
|
end
|
|
|
|
@messages_pane.get_style(LVGL::CONT_STYLE::MAIN).dup.tap do |style|
|
|
@messages_pane.set_style(LVGL::CONT_STYLE::MAIN, style)
|
|
style.body_main_color = 0x00000000
|
|
style.body_grad_color = 0x00000000
|
|
style.body_border_width = 0
|
|
style.body_radius = 0
|
|
style.body_opa = (255 * 0).to_i
|
|
end
|
|
|
|
add_message_title
|
|
add_message
|
|
end
|
|
|
|
# Title elements
|
|
|
|
def add_sad_phone()
|
|
@sad_phone = LVGL::LVImage.new(@screen)
|
|
@sad_phone.set_src("#{LVGL::Hacks.get_asset_path("sad.svg")}?height=#{@title_bar.get_height - 2 * padding}")
|
|
@sad_phone.set_pos(2 * padding, padding)
|
|
end
|
|
|
|
def add_title()
|
|
@title = new_text($code, parent: @title_bar)
|
|
@title.set_align(LVGL::LABEL_ALIGN::LEFT)
|
|
@title.set_x(@sad_phone.get_x()*2 + @sad_phone.get_width())
|
|
@title.set_y(@title_bar.get_height / 2 - @title.get_height / 2)
|
|
@title.set_width(@title_bar.get_width() - @title.get_x())
|
|
end
|
|
|
|
# Messages pane elements
|
|
|
|
def add_message_title()
|
|
@message_title = new_text($title, parent: @messages_pane)
|
|
@message_title.set_align(LVGL::LABEL_ALIGN::LEFT)
|
|
@message_title.set_pos(
|
|
padding,
|
|
padding,
|
|
)
|
|
end
|
|
|
|
def add_message()
|
|
@message = new_text($message, parent: @messages_pane)
|
|
@message.set_align(LVGL::LABEL_ALIGN::LEFT)
|
|
@message.set_pos(
|
|
padding,
|
|
@message_title.get_height() + @message_title.get_y() + padding
|
|
)
|
|
end
|
|
|
|
# Actions pane elements
|
|
|
|
def add_time_left()
|
|
@time_left = new_text("", parent: @actions_pane)
|
|
set_time_left($delay)
|
|
@time_left.set_x(@actions_pane.get_width / 2 - @time_left.get_width / 2)
|
|
@time_left.set_y(padding)
|
|
end
|
|
|
|
def set_actions(actions)
|
|
@action_buttons ||= []
|
|
@action_buttons.each do |el|
|
|
el.del()
|
|
end
|
|
|
|
y_position = @time_left.get_y() + @time_left.get_height() + padding()
|
|
|
|
@action_buttons = actions.map do |action_pair|
|
|
label, action = action_pair
|
|
|
|
LVGUI::Button.new(@actions_pane).tap do |btn|
|
|
LVGUI.focus_group.add_obj(btn)
|
|
btn.glue_obj(true)
|
|
btn.set_label(label)
|
|
btn.set_y(y_position)
|
|
btn.event_handler = ->(event) do
|
|
case event
|
|
when LVGL::EVENT::CLICKED
|
|
action.call()
|
|
end
|
|
end
|
|
|
|
# For the next item
|
|
y_position = btn.get_y() + btn.get_height() + padding()
|
|
end
|
|
end
|
|
|
|
relayout()
|
|
end
|
|
|
|
# Layout helpers
|
|
|
|
def relayout()
|
|
unless horizontal?
|
|
@messages_pane.set_height(
|
|
@screen.get_height() - @title_bar.get_height() - @actions_pane.get_height()
|
|
)
|
|
|
|
# The actions pane has to be as high as required in vertical mode.
|
|
last_element = @actions_pane.get_children.reduce do |a, b|
|
|
if b
|
|
a_end = a.get_y() + a.get_height()
|
|
b_end = b.get_y() + b.get_height()
|
|
if a_end > b_end
|
|
a
|
|
else
|
|
b
|
|
end
|
|
else
|
|
a
|
|
end
|
|
end
|
|
|
|
@actions_pane.set_height(
|
|
last_element.get_y() + last_element.get_height() + padding
|
|
)
|
|
|
|
# Always push it as far down as possible!
|
|
@actions_pane.set_pos(0, @screen.get_height() - @actions_pane.get_height())
|
|
end
|
|
end
|
|
|
|
# Misc. helpers
|
|
|
|
# Creates a label with some useful defaults.
|
|
def new_text(text, parent: nil)
|
|
parent ||= @screen
|
|
|
|
el = ShadedText.new(parent)
|
|
el.set_long_mode(LVGL::LABEL_LONG::BREAK)
|
|
el.set_align(LVGL::LABEL_ALIGN::CENTER)
|
|
el.set_width((parent.get_width - 2*padding).to_i)
|
|
el.set_text(text)
|
|
el
|
|
end
|
|
|
|
# Updates the UI with the time left.
|
|
def set_time_left(value)
|
|
if value
|
|
@time_left.set_text("#{value} seconds left before crashing.")
|
|
else
|
|
@time_left.set_text("Select an option:")
|
|
end
|
|
end
|
|
|
|
def hide_actions()
|
|
@actions_pane.set_opa_scale_enable(true)
|
|
@actions_pane.set_opa_scale(0)
|
|
end
|
|
|
|
def get_pane_width()
|
|
if horizontal?
|
|
@screen.get_width() / 2
|
|
else
|
|
@screen.get_width()
|
|
end
|
|
end
|
|
|
|
def unit()
|
|
(if horizontal?
|
|
@screen.get_height()
|
|
else
|
|
@screen.get_width()
|
|
end) / 128
|
|
end
|
|
|
|
def padding()
|
|
2 * unit
|
|
end
|
|
|
|
def horizontal?()
|
|
@screen.get_height < @screen.get_width
|
|
end
|
|
end
|
|
|
|
# Create the UI
|
|
$ui = UI.new
|
|
|
|
# Run tasks once to "realize" the UI.
|
|
LVGL::Hacks::LVTask.handle_tasks
|
|
|
|
def run(*cmd)
|
|
$stderr.puts " $ " + cmd.join(" ")
|
|
system(*cmd) unless LVGL::Introspection.simulator?
|
|
end
|
|
|
|
def cleanup_and_exit()
|
|
$ui.hide_actions()
|
|
|
|
# Ensure the next scheduled handle_tasks will run
|
|
LVGL::Hacks::LVTask.handle_tasks
|
|
sleep(0.1)
|
|
|
|
# Refresh the UI one last time.
|
|
LVGL::Hacks::LVTask.handle_tasks
|
|
|
|
puts "Exiting error applet!"
|
|
puts "exit(#{$status})"
|
|
|
|
# Ensures console is flushed entirely.
|
|
$stdout.flush()
|
|
$stderr.flush()
|
|
|
|
# Ensures all kernel work is done before it kernel panics at exit.
|
|
sleep(0.1)
|
|
|
|
# Exit, which will crash the kernel.
|
|
exit $status
|
|
end
|
|
|
|
$ui.set_actions([[
|
|
"Cancel time-out", ->() do
|
|
$delay = nil
|
|
$ui.set_time_left(nil)
|
|
|
|
$ui.set_actions([
|
|
["Power off", ->() { run("poweroff") }],
|
|
["Kernel panic", ->() { $exit = true }],
|
|
*(Hal::RebootModes.options),
|
|
])
|
|
end
|
|
]])
|
|
|
|
start = Time.now
|
|
LVGUI.main_loop do
|
|
if $delay
|
|
elapsed = Time.now - start
|
|
left = $delay - elapsed
|
|
$ui.set_time_left(left.floor)
|
|
|
|
if elapsed >= $delay
|
|
$exit = true
|
|
end
|
|
end
|
|
|
|
# We're using `$exit` as a flag to ensure we exit after all event handlers
|
|
# have been completed.
|
|
# This is because we will not be able to force a render of the UI during
|
|
# an event handler.
|
|
cleanup_and_exit() if $exit
|
|
end
|
|
|
|
# Handles outputing the error and, more importantly, flushing the output.
|
|
# When simply existing, the system might not flush the output due to the
|
|
# kernel panic.
|
|
rescue => e
|
|
$stderr.puts("")
|
|
$stderr.puts("Unexpected error in error handler:")
|
|
$stderr.puts("")
|
|
$stderr.puts(e.inspect)
|
|
$stderr.puts("")
|
|
|
|
$stdout.flush()
|
|
$stderr.flush()
|
|
|
|
sleep(1)
|
|
exit 128
|
|
end
|