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Viewing changes to src/sizzle/speed/system/slickspeed.js

  • Committer: Bazaar Package Importer
  • Author(s): Marcelo Jorge Vieira (metal)
  • Date: 2011-05-29 20:21:27 UTC
  • mfrom: (0.1.8 upstream)
  • Revision ID: james.westby@ubuntu.com-20110529202127-yo710urpsj87oqnh
Tags: 1.6.1-1
http://bugs.debian.org/628052
New upstream release (Closes: #628052)

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src/sizzle/speed/system/slickspeed.js
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//base test functions
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function forEach(iterable, fn, bind){
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        for (var i = 0, j = iterable.length; i < j; i++) fn.call(bind, iterable[i], i, iterable);
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};
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//test start
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window.onload = function load(){
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        var frameworks = {};
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        forEach(document.getElementsByTagName('iframe'), function(iframe){
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                frameworks[iframe.name] = {
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                        'test': window.frames[iframe.name].test,
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                        'selectors': []
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                };
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        });
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        var tbody = document.getElementById('tbody');
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        var tfoot = document.getElementById('tfoot');
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        var lastrow = tfoot.getElementsByTagName('tr')[0];
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        var controls = document.getElementById('controls');
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        var links = controls.getElementsByTagName('a');
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        var start = links[1];
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        var stop = links[0];
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        start.onclick = function(){
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                testRunner();
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                return false;
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        };
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        stop.onclick = function(){
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                clearTimeout(timer);
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                timer = null;
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                return false;
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        };
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        var score = [];
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        var scores = {};
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        var frxi = 0;
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        for (var name in frameworks){
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                var framework = frameworks[name];
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                forEach(window.selectors, function(selector){
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                        framework.selectors.push(selector);
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                });
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                scores[name] = lastrow.getElementsByTagName('td')[frxi];
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                score[name] = 0;
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                frxi++;
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        }
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        var tests = [];
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        forEach(window.selectors, function(selector, i){
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                var frxi = 0;
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                var row = tbody.getElementsByTagName('tr')[i];
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                for (var name in frameworks){
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                        var framework = frameworks[name];
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                        var cell = row.getElementsByTagName('td')[frxi];
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                        tests.push({
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                                'execute': framework.test,
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                                'selector': framework.selectors[i],
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                                'name': name,
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                                'row': row,
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                                'cell' : cell
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                        });
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                        frxi++;
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                }
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        });
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        var timer = null;
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        var testRunner = function(){
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                var test = tests.shift();
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                if (!test) return;
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                var results = test.execute(test.selector);
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                test.cell.className = 'test';
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                test.cell.innerHTML = results.time + ' ms | ' + results.found + ' found';
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                test.cell.speed = results.time;
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                if (results.error){
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                        test.cell.innerHTML = results.time + ' ms | <span class="exception" title="' + results.error + '">error returned</a>';
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                        test.cell.className += ' exception';
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                        test.cell.found = 0;
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                        test.cell.error = true;
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                } else {
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                        test.cell.found = results.found;
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                        test.cell.error = false;
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                }
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                score[test.name] += test.cell.speed;
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                scores[test.name].innerHTML =  '&nbsp;' + score[test.name] + '&nbsp;';
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                if (test.cell == test.row.lastChild) colourRow(test.row);
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                timer = setTimeout(testRunner, 250);
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        };
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        var colourRow = function(row){
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                var cells = [];
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                var tds = row.getElementsByTagName('td');
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                forEach(tds, function(td){
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                        cells.push(td);
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                });
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                var speeds = [];
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                forEach(cells, function(cell, i){
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                        if (!cell.error) speeds[i] = cell.speed;
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                        //error, so we exclude it from colouring
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                        else speeds[i] = 99999999999999999999999;
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                });
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                var min = Math.min.apply(this, speeds);
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                var max = Math.max.apply(this, speeds);
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                var found = [];
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                var mismatch = false;
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                forEach(cells, function(cell, i){
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                        found.push(cell.found);
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                        if (!mismatch){
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                                forEach(found, function(n){
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                                        if (cell.found && n && cell.found != n){
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                                                mismatch = true;
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                                                return;
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                                        }
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                                });
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                        }
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                        if (cell.speed == min) cell.className += ' good';
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                        else if (cell.speed == max) cell.className += ' bad';
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                        else cell.className += ' normal';
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                });
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                if (mismatch){
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                        forEach(cells, function(cell, i){
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                                if (cell.found) cell.className += ' mismatch';
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                        });
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                }
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        };
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};