Class: Ampv::Playlist

Inherits:
Gtk::Window
  • Object
show all
Defined in:
lib/ampv/playlist.rb

Constant Summary collapse

WATCHED_PIXBUF = 
Gtk::Invisible.new.render_icon(Gtk::Stock::OK, Gtk::IconSize::MENU)
PLAYING_PIXBUF = 
Gtk::Invisible.new.render_icon(Gtk::Stock::MEDIA_PLAY, Gtk::IconSize::MENU)

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Playlist

Returns a new instance of Playlist.



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# File 'lib/ampv/playlist.rb', line 12

def initialize
  buttons = {
    [ Gtk::Stock::OPEN,    "Add to Playlist" ] => lambda { signal_emit("open_file_chooser") },
    [ Gtk::Stock::GO_UP,   "Move Up"         ] => lambda { move_selected_up                 },
    [ Gtk::Stock::GO_DOWN, "Move Down"       ] => lambda { move_selected_down               },
    [ Gtk::Stock::REMOVE,  "Remove Selected" ] => lambda { remove_selected                  },
    [ Gtk::Stock::CLEAR,   "Clear Playlist"  ] => lambda { clear                            }
  }

  super
  set_title("Playlist - #{PACKAGE}")
  set_default_size(Config["playlist_width"], Config["playlist_height"])
  set_skip_taskbar_hint(true)
  move(Config["playlist_x"], Config["playlist_y"])

  signal_connect("show") { move(@pos[0], @pos[1]) unless @pos.nil? }
  signal_connect("hide") { @pos = window.root_origin }
  signal_connect("delete_event") { hide_on_delete }

  signal_connect("key_press_event") { |_w, e|
    hide_on_delete if e.keyval == Gdk::Keyval::GDK_Escape
  }

  @titles   = Hash.new
  vbox      = Gtk::VBox.new(false, 10)
  sw        = Gtk::ScrolledWindow.new
  @model    = Gtk::ListStore.new(String, String, Gdk::Pixbuf)
  @treeview = Gtk::TreeView.new(@model)
  hbox      = Gtk::HBox.new(true, 5)
  @menu     = Gtk::Menu.new

  vbox.border_width = 10
  sw.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC)

  @treeview.set_enable_search(false)
  @treeview.set_rubber_banding(true)
  @treeview.set_reorderable(true)
  @treeview.set_tooltip_column(0)
  @treeview.selection.set_mode(Gtk::SELECTION_MULTIPLE)

  @treeview.signal_connect("row_activated") { |w, p, c|
    signal_emit("play_entry", @model.get_iter(p)[0])
  }
  @treeview.signal_connect("key_press_event") { |w, e|
    remove_selected if e.keyval == Gdk::Keyval::GDK_Delete
  }
  @treeview.signal_connect("button_press_event") { |w, e|
    if e.event_type == Gdk::Event::BUTTON_PRESS and e.button == 3
      path = @treeview.get_path(e.x, e.y)[0]
      @treeview.set_cursor(path, nil, false) if path
      @menu.popup(nil, nil, e.button, e.time)
    end
  }

  ["Name", "Length"].each_with_index { |x, i|
    renderer = Gtk::CellRendererText.new
    column   = Gtk::TreeViewColumn.new(x, renderer, :text => i)
    if x == "Name"
      renderer.ellipsize = Pango::ELLIPSIZE_MIDDLE
      column.expand = true
      column.set_cell_data_func(renderer) { |t, c, m, j|
        if @titles[j[0]]
          c.text = @titles[j[0]]
        else
          c.text = File.basename(j[0])
        end
      }
    end

    @treeview.append_column(column)
  }
  @treeview.append_column(Gtk::TreeViewColumn.new("", Gtk::CellRendererPixbuf.new, :pixbuf => 2))

  buttons.each { |k, v|
    button = Gtk::Button.new
    item   = Gtk::ImageMenuItem.new(k[1])

    button.image = Gtk::Image.new(k[0], Gtk::IconSize::BUTTON)
    button.height_request = 36
    button.set_tooltip_text(k[1])
    button.signal_connect("clicked") { v.call }

    item.image = Gtk::Image.new(k[0], Gtk::IconSize::MENU)
    item.signal_connect("activate") { v.call }

    hbox.pack_start(button)
    @menu.append(item)
  }

  sw.add(@treeview)
  vbox.pack_start(sw)
  vbox.pack_start(hbox, false)
  add(vbox)
  @menu.show_all

  show_all if Config["playlist_visible"]
end

Instance Method Details

#add_file(file, length = nil, watched = false) ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 116

def add_file(file, length = nil, watched = false)
  unless include?(file)
    iter = @model.append
    iter[0] = file
    iter[1] = length if length
    iter[2] = WATCHED_PIXBUF if watched
  end
end

#clear(quiet = false) ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 168

def clear(quiet = false)
  @titles.clear
  @model.clear
  signal_emit("playing_removed") unless quiet or @playing_iter.nil?
  @playing_iter = nil
end

#count ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 110

def count
  i = 0
  @model.each { i += 1 }
  i
end

#get_entries ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 150

def get_entries
  entries = [ ]
  @model.each { |m, p, iter|
    entries << {
      "file"    => iter[0],
      "length"  => iter[1] ? iter[1] : "",
      "watched" => iter[2] == WATCHED_PIXBUF || (iter == @playing_iter && @current_is_watched)
    }
  }
  entries
end

#get_files ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 162

def get_files
  files = [ ]
  @model.each { |m, p, iter| files << iter[0] }
  files
end

#get_next ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 135

def get_next
  @model.each { |m, p, iter|
    return iter.next! ? iter[0] : nil if iter == @playing_iter
  }
  nil
end

#get_prev ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 142

def get_prev
  prev = nil
  @model.each { |m, p, iter|
    return prev if iter == @playing_iter
    prev = iter[0]
  }
end

#include?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ampv/playlist.rb', line 130

def include?(file)
  @model.each { |m, p, iter| return true if iter[0] == file }
  false
end

#on_playing_watched ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 125

def on_playing_watched
  @playing_iter[2] = WATCHED_PIXBUF
  @current_is_watched = true
end

#playing_stopped ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 194

def playing_stopped
  @playing_iter[2] = nil if @playing_iter and @playing_iter[2] == PLAYING_PIXBUF
end

#set_selected(file) ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 175

def set_selected(file)
  @playing = file
  i = 0
  @model.each { |m, p, iter|
    if iter[0] == @playing
      # reset icon for previous playing entry
      if @playing_iter
        @playing_iter[2] = @current_is_watched ? WATCHED_PIXBUF : nil
      end
      @treeview.set_cursor(Gtk::TreePath.new(i), nil, false)
      @playing_iter = iter
      @current_is_watched = @playing_iter[2] == WATCHED_PIXBUF
      @playing_iter[2] = PLAYING_PIXBUF
      break
    end
    i += 1
  }
end

#update_length(length) ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 198

def update_length(length)
  return if length == 0
  @playing_iter[1] = Time.at(length).utc.strftime("%H:%M:%S") if @playing_iter
end

#update_title(title) ⇒ Object 



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# File 'lib/ampv/playlist.rb', line 203

def update_title(title)
  return unless title
  @titles[@playing_iter[0]] = title
end