mirror of https://github.com/zulip/zulip.git
82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
/*jshint strict:false*/
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/*global CasperError console phantom require*/
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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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var casper = require("casper").create();
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var nbLinks = 0;
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var currentLink = 1;
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var images = [];
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var buildPage, next;
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// helper to hide some element from remote DOM
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casper.hide = function(selector) {
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this.evaluate(function(selector) {
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document.querySelector(selector).style.display = "none";
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}, selector);
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};
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casper.start("http://www.bbc.co.uk/", function() {
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nbLinks = this.evaluate(function() {
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return __utils__.findAll('#promo2_carousel_items_items li').length;
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});
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this.echo(nbLinks + " items founds");
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// hide navigation arrows
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this.hide(".nav_left");
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this.hide(".nav_right");
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this.mouse.move("#promo2_carousel");
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});
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casper.waitUntilVisible(".autoplay.nav_pause", function() {
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this.echo("Moving over pause button");
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this.mouse.move(".autoplay.nav_pause");
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this.click(".autoplay.nav_pause");
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this.echo("Clicked on pause button");
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this.waitUntilVisible(".autoplay.nav_play", function() {
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this.echo("Carousel has been paused");
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// hide play button
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this.hide(".autoplay");
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});
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});
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// Capture carrousel area
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next = function() {
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var image;
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image = "bbcshot" + currentLink + ".png";
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images.push(image);
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this.echo("Processing image " + currentLink);
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this.captureSelector(image, '.carousel_viewport');
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if (currentLink < nbLinks) {
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this.click(".carousel_itemList_li[rel='" + currentLink + "']");
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this.wait(1000, function() {
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this.then(next);
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currentLink++;
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});
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} else {
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this.then(buildPage);
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}
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};
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// Building resulting page and image
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buildPage = function() {
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var fs, pageHtml;
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this.echo("Build result page");
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fs = require("fs");
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this.viewport(624, 400);
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pageHtml = "<html><body style='background:black;margin:0;padding:0'>";
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images.forEach(function(image) {
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pageHtml += "<img src='file://" + fs.workingDirectory + "/" + image + "'><br>";
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});
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pageHtml += "</body></html>";
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fs.write("result.html", pageHtml, 'w');
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this.thenOpen("file://" + fs.workingDirectory + "/result.html", function() {
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this.echo("Resulting image saved to result.png");
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this.capture("result.png");
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});
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};
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casper.then(next);
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casper.run();
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