background_image.coffee

class @Mercury.Regions.BackgroundImage extends @Mercury.Regions.Image
  @supported: document.getElementById
  @supportedText: "Chrome 10+, Firefox 4+, IE 7+, Safari 5+, Opera 8+"
  type = 'backgroundImage'
  type: -> type

  pushHistory: () ->
    @history.push(src: @element.css('background-image'))


  updateSrc: (src) ->
    if src.match(/^url/)
      @element.css('background-image', src)
    else
      @element.css('background-image', "url(#{src})")


  serialize: ->
    return {
    type: type
    data: @dataAttributes()
    attributes:
      'background-image': @element.css('background-image')
    }