lib/playlist_item.rb

   1 # $Id: playlist_item.rb,v 1.21 2006/07/29 01:55:31 tilman Exp $
   2
   3 class PlaylistItem
   4         attr_reader :id, :edje, :position, :selected, :hilighted
   5
   6         def initialize(id, xmms, playlist)
   7                 @id = id
   8                 @position = playlist.size
   9
  10                 @xmms = xmms
  11                 @playlist = playlist
  12
  13                 @edje = nil
  14                 @height = 0
  15                 @selected = false
  16                 @hilighted = false
  17
  18                 @props = {}
  19
  20                 @xmms.medialib_get_info(id).notifier do |res|
  21                         self.properties = res.value
  22                 end
  23         end
  24
  25         def method_missing(method)
  26                 @props[method] || "unknown #{method}"
  27         end
  28
  29         def duration
  30                 @props[:duration].to_i / 1000
  31         end
  32
  33         def show(eet)
  34                 @edje = Edje::Edje.new(@playlist.container.evas)
  35                 @edje.load(eet, "playlist_item")
  36                 w, @height = @edje.get_size_min
  37
  38                 set_parts_text
  39
  40                 w, h = @edje.get_size_min
  41                 @edje.resize(w, h)
  42
  43                 @playlist.container.append_element(@edje)
  44
  45                 self.selected = @selected
  46
  47                 @edje.on_signal("playlist_item.selected") do |sig, src|
  48                         next if src == "Euphoria"
  49
  50                         @playlist.each do |item|
  51                                 item.selected = (item == self)
  52                         end
  53                 end
  54
  55                 @edje.on_signal("playlist_item.hilighted") do |sig, src|
  56                         next if src == "Euphoria"
  57
  58                         @playlist.each do |item|
  59                                 item.hilighted = (item == self)
  60                         end
  61                 end
  62
  63                 @edje.on_signal("playlist_item.play") do
  64                         @xmms.playlist_set_next(@position).wait
  65                         @xmms.playback_tickle.wait
  66                         @xmms.playback_start.wait
  67                 end
  68
  69                 @edje.on_signal("PLAYLIST_SCROLL_UP", "") do
  70                         @playlist.container.scroll(h * 3)
  71                 end
  72
  73                 @edje.on_signal("PLAYLIST_SCROLL_DOWN", "") do
  74                         @playlist.container.scroll(h * -3)
  75                 end
  76         end
  77
  78         def hilighted=(b)
  79                 @hilighted = b
  80
  81                 sig = b ? "hilighted" : "unhilighted"
  82                 unless @edje.nil?
  83                         @edje.emit_signal("playlist_item.#{sig}", "Euphoria")
  84                 end
  85         end
  86
  87         def selected=(b)
  88                 @selected = b
  89
  90                 sig = b ? "selected" : "unselected"
  91                 unless @edje.nil?
  92                         @edje.emit_signal("playlist_item.#{sig}", "Euphoria")
  93                 end
  94         end
  95
  96         def visible?
  97                 # since we don't actually hide the edje, but just delete it,
  98                 # we don't need to check @edje.visible? here
  99                 !@edje.nil?
 100         end
 101
 102         def hide
 103                 @playlist.container.remove_element(@edje)
 104                 @edje.delete
 105                 @edje = nil
 106         end
 107
 108         def properties=(hash)
 109                 @props = hash || {}
 110
 111                 set_parts_text unless @edje.nil?
 112         end
 113
 114         def position=(pos)
 115                 @position = pos
 116                 set_parts_text unless @edje.nil?
 117         end
 118
 119         private
 120         def set_parts_text
 121                 tmp = (duration == -1) ? "" :
 122                       ("%i:%02i" % [duration / 60, duration % 60])
 123                 @edje.part("duration").text = tmp
 124                 @edje.part("title").text = "%i %s - %s" % [@position + 1, artist, title]
 125         end
 126 end