Class: Ektoplayer::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/ektoplayer/application.rb

Constant Summary collapse

VERSION =
'0.1.24'.freeze
GITHUB_URL =
'https://github.com/braph/ektoplayer'.freeze
EKTOPLAZM_URL =
'https://ektoplazm.com'.freeze
EKTOPLAZM_ALBUM_BASE_URL =
"#{EKTOPLAZM_URL}/free-music".freeze
EKTOPLAZM_COVER_BASE_URL =
"#{EKTOPLAZM_URL}/img".freeze
EKTOPLAZM_TRACK_BASE_URL =
"#{EKTOPLAZM_URL}/audio".freeze
EKTOPLAZM_STYLE_BASE_URL =
"#{EKTOPLAZM_URL}/style".freeze
EKTOPLAZM_ARCHIVE_BASE_URL =
"#{EKTOPLAZM_URL}/files".freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.album_url(album) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 23

def self.album_url(album)
   "#{EKTOPLAZM_ALBUM_BASE_URL}/#{album}"
end

.archive_url(archive) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 39

def self.archive_url(archive)
   "#{EKTOPLAZM_ARCHIVE_BASE_URL}/#{archive}"
end

.cover_url(cover) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 27

def self.cover_url(cover)
   "#{EKTOPLAZM_COVER_BASE_URL}/#{cover}"
end

.log(from, *msgs) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 43

def self.log(from, *msgs)
   func = caller[0][/`.*'/][1..-2]
   from = from.class unless from.is_a?String
   $stderr.puts("#{DateTime.now.rfc3339} #{from}.#{func}: " + msgs.join(' '))

   if e = msgs.select { |m| m.kind_of?Exception }[0] 
      $stderr.puts "#{e.backtrace.first}: #{e.message} (#{e.class})", e.backtrace.join(?\n)
   end
   $stderr.flush
end

.open_log(file) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 54

def self.open_log(file)
   $stderr.reopen(file, ?a)
   $stderr.sync=(true)
end

.style_url(style) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 35

def self.style_url(style)
   "#{EKTOPLAZM_STYLE_BASE_URL}/#{style}"
end

.track_url(track) ⇒ Object



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# File 'lib/ektoplayer/application.rb', line 31

def self.track_url(track)
   "#{EKTOPLAZM_TRACK_BASE_URL}/#{track}"
end

Instance Method Details

#runObject



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# File 'lib/ektoplayer/application.rb', line 59

def run
   puts "\033]0;ektoplayer\007"
   Process.setproctitle('ektoplayer')
   Thread.report_on_exception=(true) if Thread.respond_to? :report_on_exception

   # make each configuration object globally accessible as a singleton
   [Config, Bindings, Theme].each { |c| Common::mksingleton(c) }

   if File.file? Config::CONFIG_FILE
      Config.parse(Config::CONFIG_FILE, Bindings, Theme) rescue (
         fail "Config: #{$!}"
      )
   end

   FileUtils::mkdir_p Config::CONFIG_DIR rescue (
      fail "Could not create config dir: #{$!}"
   )

   Application.open_log(Config[:log_file])

   if Config[:use_cache]
      unless File.directory? Config[:cache_dir]
         FileUtils::mkdir Config[:cache_dir] rescue (
            fail "Could not create cache dir: #{$!}"
         )
      end
   end

   [:temp_dir, :download_dir, :archive_dir].each do |key|
      unless File.directory? Config[key]
         FileUtils::mkdir Config[key] rescue (
            fail "Could not create #{key}: #{$!}"
         )
      end
   end

   UI::Canvas.run do
      Application.log(self, "using '#{$USING_CURSES}' with #{ICurses.colors} colors available")

      if Config[:use_colors] == :auto
         Theme.use_colors(ICurses.colors >= 256 ? 256 : 8)
      else
         Theme.use_colors(Config[:use_colors])
      end

      client = Client.new

      # ... models ...
      player      = Models::Player.new(client, Config[:audio_system])
      browser     = Models::Browser.new(client)
      playlist    = Models::Playlist.new
      database    = Models::Database.new(client)
      trackloader = Models::Trackloader.new(client)

      # ... operations ...
      operations = Operations::Operations.new
      operations.register(:quit) do
         Thread.list.each { |t| t.kill if t != Thread.current }
         FileUtils.rm(Dir.glob(File.join(Config[:temp_dir], '~ekto-*'))) rescue nil
         raise SystemExit
      end

      operations.register(:reload,  &browser.method(:reload))
      operations.register(:update,  &database.method(:update))
      operations.register(:refresh) { UI::Canvas.update_screen(true, true) }
      Operations::Player.new(operations, player)
      Operations::Browser.new(operations, browser, playlist)
      Operations::Playlist.new(operations, playlist, player, trackloader)

      # ... views ...
      main_w = UI::Canvas.sub(Views::MainWindow)

      # next operations may take some time, espacially the ones
      # using the database (browser), so we put this inside a thread
      Thread.new do
         begin

         # ... controllers ...
         view_ops = Operations::Operations.new
         Controllers::MainWindow.new(main_w, view_ops)
         Controllers::Browser.new(main_w.browser, browser, view_ops, operations)
         Controllers::Playlist.new(main_w.playlist, playlist, view_ops, operations)
         Controllers::Help.new(main_w.help, view_ops)
         Controllers::Info.new(main_w.info, player, playlist, trackloader, database, view_ops)
         main_w.progressbar.attach(player)
         main_w.playinginfo.attach(playlist, player)

         # ... events ...
         database.events.on(:update_finished, &browser.method(:reload))
         player.events.on(:stop) do |reason|
            operations.send(:'playlist.play_next') if reason == :track_completed
         end
         
         # ... bindings ...
         Bindings.bind_view(:global, main_w, view_ops, operations)
         %w(splash playlist browser info help).each do |w|
            Bindings.bind_view(w, main_w.send(w), view_ops, operations)
         end

         player.stop

         # Preload playlist
         if (n = Config[:playlist_load_newest]) > 0
            r = client.database.select(
               order_by: 'date DESC,album,number',
               limit: n
            )
            playlist.add(*r)
         end

         # If database is empty, start an initial update
         if browser.tracks(0).size < 1
            operations.send(:update)
         elsif (c = Config[:small_update_pages]) > 0
            operations.send(:update, pages: c)
         end

         if Config[:prefetch]
            Thread.new do
               current_download_track = nil

               loop do
                  sleep 5

                  next_track = playlist.get_next_pos
                  next if current_download_track == next_track

                  if player.length > 30 and player.position_percent > 0.5
                     trackloader.get_track_file(playlist[next_track]['url'])
                     current_download_track = next_track
                     sleep 5
                  end
               end
            end
         end

         rescue
            Application.log(self, $!)
         end
      end

      UI::Canvas.update_screen
      UI::Input.start_loop
   end
rescue
   puts "Error: #{$!}"
   Application.log(self, $!)
end