293:6635f14613ba
Anton Shestakov <av6@dwimlabs.net>, Wed, 01 Nov 2017 00:50:57 +0800
Makefile: use file targets more, results in incremental building Less work to do when only some files get changed, but more work when building from scratch. But, multiple compilers can run in parallel.
previous change 233:7d12b9fc2f41

coffee/favicon.coffee

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class window.Tram.FaviconApp extends Backbone.View
  tagName: 'link'
  attributes:
    rel: 'icon'
    type: 'image/x-icon'
  pipColors: Tram.colors.show
  initialize: ->
    @canvas = document.createElement('canvas')
    @canvas.height = 16
    @canvas.width = 16
    @listenTo(@model, 'change', @updateFavicon)
    @updateFavicon()
    @render()
  updateFavicon: ->
    color = @pipColors[@model.get('show')] ? @pipColors['default']
    @renderFavicon(color)
  renderFavicon: (color) ->
    ctx = @canvas.getContext('2d')
    ctx.clearRect(0, 0, @canvas.width, @canvas.height)
    ctx.fillStyle = color
    ctx.beginPath()
    ctx.arc(8, 8, 5.5, 0, Math.PI * 2)
    ctx.fill()
    @el.href = @canvas.toDataURL()
  render: ->
    $('head').append(@el)
    @