unison-watch/lib/unison/watcher.rb
2012-05-08 06:46:10 -04:00

164 lines
3.3 KiB
Ruby

require 'forwardable'
module Unison
class Watcher < Qt::Application
TRANSFER_LOG = '~/unison.log'
SYNC_CHECK_COUNT = 600
SYNC_CHECK_TIME = 0.1
extend Forwardable
def_delegators :@config, :profiles
def initialize(profiles, *args)
super(*args)
@config = Unison::Config.ensure(File.expand_path('~/.unison/watch.yml'))
@queue = Atomic.new([])
@sync_now = false
@exiting = false
@active = true
end
def <<(dirs)
@queue.update { |q| q += [ dirs ].flatten ; q }
end
def processed_profiles
@processed_profiles ||= Unison::Profile.process(profiles)
end
def watch
Unison::FilesystemWatcher.new(paths_to_watch, self)
end
def paths_to_watch
processed_profiles.collect(&:paths_with_local_root).flatten
end
def fileview
@fileview ||= Unison::UI::FileView.new(File.expand_path(TRANSFER_LOG))
end
def menu
return @menu if @menu
@menu = Unison::UI::Menu.new
@menu.on(:sync_now) { @sync_now = true }
@menu.on(:toggle_status) { toggle_status }
@menu.on(:view_log) { fileview.show }
@menu.on(:quit) { @exiting = true }
@menu.on(:preferences) { preferences.show }
@menu.generate
@menu
end
def update_ui
@icon.current_icon = @current_icon
@menu.status_text = @current_text
processEvents
end
def ui
@icon = Unison::UI::Icon.new(menu, self, profiles, File.join(Unison.root, 'assets'))
@config.on_update { @icon.profiles = @config.profiles }
@current_icon = 'idle'
toggle_status true
@prior_text = nil
@icons = {}
@remote_sync_check = SYNC_CHECK_COUNT
while !@exiting
check
update_ui
sleep SYNC_CHECK_TIME
end
end
def start
if !@config.active_profiles?
preferences.show
end
watch
ui
end
def preferences
@preferences ||= Unison::UI::Preferences.new(@config)
end
def show_working
index = 0
while true do
@current_icon = "working-#{index + 1}"
fileview.read!
update_ui
break if @done or @exiting
sleep 0.25
index = (index + 1) % 2
end
@current_icon = current_icon
fileview.read!
end
def check
begin
if @active && (@queue.value.length > 0 || @remote_sync_check == 0 || @sync_now)
dir = nil
@current_text = "Syncing..."
@done = false
Unison::Bridge.run(profiles, TRANSFER_LOG) { @done = true }
show_working
@remote_sync_check = SYNC_CHECK_COUNT
@sync_now = false
@queue.update { [] }
end
rescue => e
puts e.message
puts e.backtrace.join("\n")
exit 1
end
@remote_sync_check -= 1
if @active
@current_text = "Next check in #{sprintf("%.0d", SYNC_CHECK_TIME * @remote_sync_check)} secs."
else
@current_text = "Syncing paused."
@remote_sync_check = SYNC_CHECK_COUNT
end
end
def toggle_status(set = nil)
@active = set || !@active
@menu.active_status_text = @active ? "Pause syncing" : "Resume syncing"
@current_icon = current_icon
end
def current_icon
@active ? 'idle' : 'paused'
end
end
end