Pony.fm/resources/assets/scripts/app/directives/src-loader.coffee

25 lines
689 B
CoffeeScript

angular.module('ponyfm').directive 'pfmSrcLoader', () ->
(scope, element, attrs) ->
size = attrs.pfmSrcSize || 'normal'
element.css {opacity: .5}
update = (val) ->
element.attr 'src', '/images/icons/loading_' + size + '.png'
image = element.clone()
image.removeAttr 'pfm-src-loader'
image.removeAttr 'pfm-src-size'
# If the given value is null, don't bother trying to
# load something - it will result in an HTTP error.
if val
image[0].onload = ->
element.attr 'src', val
element.css {opacity: 0}
element.animate {opacity: 1}, 250
image[0].src = val
update scope.$eval attrs.pfmSrcLoader
scope.$watch attrs.pfmSrcLoader, update