66 lines
1.9 KiB
CoffeeScript
66 lines
1.9 KiB
CoffeeScript
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###
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Create a mosaic image from all headline photos on BBC homepage
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###
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casper = require("casper").create()
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nbLinks = 0
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currentLink = 1
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images = []
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# helper to hide some element from remote DOM
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casper.hide = (selector) ->
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@evaluate (selector) ->
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document.querySelector(selector).style.display = "none"
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, selector
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casper.start "http://www.bbc.co.uk/", ->
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nbLinks = @evaluate ->
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return __utils__.findAll('#promo2_carousel_items_items li').length
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@echo "#{nbLinks} items founds"
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# hide navigation arrows
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@hide ".nav_left"
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@hide ".nav_right"
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@mouse.move "#promo2_carousel"
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casper.waitUntilVisible ".autoplay.nav_pause", ->
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@echo "Moving over pause button"
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@mouse.move ".autoplay.nav_pause"
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@click ".autoplay.nav_pause"
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@echo "Clicked on pause button"
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@waitUntilVisible ".autoplay.nav_play", ->
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@echo "Carousel has been paused"
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# hide play button
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@hide ".autoplay"
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# Capture carrousel area
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next = ->
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image = "bbcshot#{currentLink}.png"
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images.push image
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@echo "Processing image #{currentLink}"
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@captureSelector image, '.carousel_viewport'
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if currentLink < nbLinks
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@click ".carousel_itemList_li[rel='#{currentLink}']"
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@wait 1000, ->
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@then next
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currentLink++
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else
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@then buildPage
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# Building resulting page and image
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buildPage = ->
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@echo "Build result page"
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fs = require "fs"
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@viewport 624, 400
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pageHtml = "<html><body style='background:black;margin:0;padding:0'>"
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images.forEach (image) ->
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pageHtml += "<img src='file://#{fs.workingDirectory}/#{image}'><br>"
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pageHtml += "</body></html>"
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fs.write "result.html", pageHtml, 'w'
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@thenOpen "file://#{fs.workingDirectory}/result.html", ->
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@echo "Resulting image saved to result.png"
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@capture "result.png"
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casper.then next
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casper.run()
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