Module: TLS::HTML

Included in:
Player
Defined in:
lib/the_little_streamer/html.rb

Instance Method Summary collapse

Instance Method Details

#audio(path) ⇒ Object

Audio tag



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# File 'lib/the_little_streamer/html.rb', line 105

def audio path
  <<-HTML
<audio id='player' onEnded='javascript:play_next()' src=#{("/" << URI.escape(path)).inspect} autobuffer controls autoplay >
  You need the power of HTML5!
</audio>
<script type="text/javascript">
  document.getElementById('player').volume = 0.3;
</script>
  HTML
end

#css ⇒ Object 



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# File 'lib/the_little_streamer/html.rb', line 32

def css
  @css ||= <<-CSS
body {
  font-family: Helvetica,Verdana,Arial,sans-serif;
  font-size: 13pt;
}

span#title {
  font-size: 14pt;
  font-weight: bold;
}

span#artist {
  font-size: 14pt;
  font-weight: bold;
}

span#artist a {
  text-decoration: none;
  color: black;
 }

span#artist a:hover {
  text-decoration: underline;
}

span#album {
  font-style: italic;
}

span#album a {
  text-decoration: none;
  color: black;
}

span#album a:hover {
  text-decoration: underline;
}

div#playlist {
  float: left;
  margin-top: 15px;
  height: 80%;
  overflow: auto;
  text-align: left;
}

div#playerbox {
  float: left;
  text-align: center;
}
  CSS

  @css
end

#link(root, path, text = path, params = {}) ⇒ Object

Create a link



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# File 'lib/the_little_streamer/html.rb', line 89

def link root, path, text = path, params = {}
  full_path = root.split('/').map! {|r| URI.escape r }.join('/') << "/" << URI.escape(path)
  params = params.map { |k, v| "#{k}=#{v}" }.join "&"
  "<a href=\"#{full_path}?#{params}\">#{text}</a>"
end

#page(body = nil) ⇒ Object

Wrap up in HTML



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# File 'lib/the_little_streamer/html.rb', line 3

def page body = nil
  if block_given?
    body = yield
  end

  <<-HTML
  <html>
    <head>
      <style type="text/css">
  #{css}
      </style>
      <title>The Little Streamer</title>
    </head>
    <body>
  #{body}
    </body>
    <script>
    if(document.getElementById('artist')) {
      window.onload = function() {
       var artist = document.getElementById('artist').firstChild.innerText;
       var title = document.getElementById('title').innerHTML;
       document.title = title + " by " + artist;
      }
    }
    </script>
  </html>
  HTML
end

#player_html(songs) ⇒ Object

Output HTML for player



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# File 'lib/the_little_streamer/html.rb', line 196

def player_html songs
  page <<-HTML
  <div id="playerbox">
  #{song_info songs.first}<br/>
  #{audio songs.first.path}<br/>
  #{prev_and_next if songs.length > 1}
  #{playlist_js songs}
  #{playlist_html songs if songs.length > 1}
    <div style="clear:both">#{link "/", "", "Back to All Music"}</div>
  </div>
  HTML
end

#playlist_html(songs) ⇒ Object

HTML for displaying playlist



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# File 'lib/the_little_streamer/html.rb', line 117

def playlist_html songs
  list = []

  songs.each_with_index do |song, i|
    list << "<li><a href=\"javascript:play_index(#{i})\">#{song.artist} - #{song.title}</a></li>"
  end

  <<-HTML
  <div style="clear:both">&nbsp;</div>
  <div id="playlist">
    <ol>
  #{list.join}
    </ol>
  </div>
  HTML
end

#playlist_js(songs) ⇒ Object

Javascript for playlist



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# File 'lib/the_little_streamer/html.rb', line 135

def playlist_js songs
  <<-JAVASCRIPT
<script type="text/javascript">
  var player = document.getElementById('player');
  var artist = document.getElementById('artist');
  var album = document.getElementById('album');
  var title = document.getElementById('title');
  var playlist = [#{songs.map { |s| song_to_js s }.join "," }]
  var current_song = 0;

  play_next = function(reverse) {
    if(reverse && current_song > 0)
      current_song--;
    else if(!reverse && current_song < playlist.length)
      current_song++;
    else
      return;

    play_current();
  }

  play_current = function() {
    var song = playlist[current_song];
    player.src = song.path;
    artist.innerHTML = song.artist
    album.innerHTML = song.album
    title.innerHTML = song.title
    document.title = song.title + " by " + artist.firstChild.innerText;
    player.play();
  }

  play_index = function(index) {
    current_song = index;
    play_current();
  }
</script>
  JAVASCRIPT
end

#prev_and_next ⇒ Object

Back/forward links



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# File 'lib/the_little_streamer/html.rb', line 190

def prev_and_next
  @prev_and_next ||= "<a href='javascript:play_next(true)'>Prev</a>&nbsp;&nbsp;&nbsp;<a href='javascript:play_next()'>Next</a>"
  @prev_and_next
end

#search_box ⇒ Object 



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# File 'lib/the_little_streamer/html.rb', line 209

def search_box
  <<-HTML
  <div id="searchbox">
    <form action="/search">
      <label for="search">Search:</label>
      <input type="text" />
    </form>
  </div>
  HTML
end

#song_info(song) ⇒ Object

HTML for song information header



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# File 'lib/the_little_streamer/html.rb', line 185

def song_info song
  "<span id='title'>#{song.title}</span> by <span id='artist'>#{link "/artist/", song.artist}</span><br/><span id='album'>#{link "/artist/#{song.artist}/album", song.album}</span>"
end

#song_to_js(song) ⇒ Object

Javascript for a song



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# File 'lib/the_little_streamer/html.rb', line 175

def song_to_js song
  <<-JAVASCRIPT
{ artist: #{link("/artist", song.artist, song.artist).inspect},
  album: #{link("/artist/#{song.artist}/album/", song.album, song.album).inspect},
  title: #{song.title.inspect},
  path: #{(CGI.escapeHTML "/" << CGI.escape(song.path)).inspect} }
  JAVASCRIPT
end

#title(artist, album = nil) ⇒ Object

Some navigation



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# File 'lib/the_little_streamer/html.rb', line 96

def title artist, album = nil
  if album
    "<h3>#{link "/", "", "Music"} : #{link "/artist/", artist, artist} : #{album}</h3>"
  else
    "<h3>#{link "/", "", "Music"} : #{artist}</h3>"
  end
end