Initial commit.
This commit is contained in:
Ian Gulliver
12
static/babystats.css
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12
static/babystats.css
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body {
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margin: 0;
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font-family: "proxima-nova";
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}
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#container {
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position: fixed;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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}
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15
static/babystats.html
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15
static/babystats.html
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<html>
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<head>
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<title>BabyStats</title>
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<script src="/static/babystats.js" charset="UTF-8"></script>
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<script src="https://use.typekit.net/ifo2asf.js"></script>
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<script>try{Typekit.load();}catch(e){}</script>
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<link rel="stylesheet" href="/static/babystats.css">
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</head>
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<body>
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<div id="container"></div>
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<script>
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new BabyStats(document.getElementById('container'));
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</script>
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</body>
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</html>
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258
static/babystats.js
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258
static/babystats.js
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var BabyStats = function(container) {
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this.container_ = container;
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this.tileScaleHeight_ = 1;
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this.tileScaleWidth_ = 1;
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this.tiles_ = [
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['asleep', 'Asleep'],
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['awake', 'Awake'],
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['diaper_feces', 'Diaper change\n(feces)'],
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['diaper_urine', 'Diaper change\n(urine only)'],
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['feeding_breast', 'Feeding\n(breast)'],
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['feeding_bottle_milk', 'Feeding\n(bottled breast milk)'],
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['feeding_formula', 'Feeding\n(formula)'],
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];
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this.intervals_ = {};
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this.buildCells_();
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this.buildStylesheet_();
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var grid = this.calculateGrid_();
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this.gridWidthCells_ = grid.gridWidthCells;
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this.gridHeightCells_ = grid.gridHeightCells;
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this.buildGrid_();
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};
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/**
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* Add a CSS class to a node if it doesn't already have it.
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* @param {!Node} node Node object to add class to
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* @param {!string} className Name of class to add
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* @private
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*/
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BabyStats.prototype.addCSSClass_ = function(node, className) {
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var classes = node.className.split(' ').filter(function(className) { return className; });
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if (classes.indexOf(className) != -1) {
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// Already has class.
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return;
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}
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classes.push(className);
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node.className = classes.join(' ');
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}
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/**
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* Construct our stylesheet and insert it into the DOM.
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* @private
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*/
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BabyStats.prototype.buildStylesheet_ = function() {
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// http://www.colourlovers.com/palette/848743/(%E2%97%95_%E2%80%9D_%E2%97%95)
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var style = document.createElement('style');
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document.head.appendChild(style);
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style.sheet.insertRule('babyStatsRow {}', 0);
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this.rowRule_ = style.sheet.cssRules[0];
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this.rowRule_.style.display = 'block';
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this.rowRule_.style.textAlign = 'center';
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style.sheet.insertRule('babyStatsCell {}', 0);
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this.cellRule_ = style.sheet.cssRules[0];
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this.cellRule_.style.display = 'inline-block';
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this.cellRule_.style.position = 'relative';
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this.cellRule_.style.height = '100%';
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this.cellRule_.style.webkitUserSelect = 'none';
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this.cellRule_.style.mozUserSelect = 'none';
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this.cellRule_.style.userSelect = 'none';
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this.cellRule_.style.cursor = 'default';
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style.sheet.insertRule('babyStatsCellContents {}', 0);
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var contents = style.sheet.cssRules[0];
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contents.style.display = 'flex';
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contents.style.position = 'absolute';
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contents.style.alignItems = 'center';
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contents.style.justifyContent = 'center';
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contents.style.margin = '5px';
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contents.style.padding = '5px';
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contents.style.height = 'calc(100% - 20px)';
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contents.style.width = 'calc(100% - 20px)';
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contents.style.fontSize = '6vmin';
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contents.style.fontWeight = 'bold';
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contents.style.whiteSpace = 'pre-line';
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contents.style.backgroundColor = 'rgb(73,10,61)';
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contents.style.color = 'rgb(233,127,2)';
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contents.style.borderRadius = '15px';
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style.sheet.insertRule('babyStatsCellOverlay {}', 0);
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var contents = style.sheet.cssRules[0];
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contents.style.display = 'flex';
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contents.style.position = 'absolute';
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contents.style.alignItems = 'center';
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contents.style.justifyContent = 'center';
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contents.style.margin = '5px';
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contents.style.height = 'calc(100% - 10px)';
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contents.style.width = 'calc(100% - 10px)';
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contents.style.fontSize = '20vmin';
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contents.style.fontWeight = 'bold';
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contents.style.backgroundColor = 'rgb(255,255,255)';
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contents.style.color = 'rgb(189,21,80)';
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contents.style.borderRadius = '15px';
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contents.style.opacity = 0.0;
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contents.style.transition = '0.4s';
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style.sheet.insertRule('.babyStatsContainer {}', 0);
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var containerRule = style.sheet.cssRules[0];
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containerRule.style.backgroundColor = 'white';
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this.addCSSClass_(this.container_, 'babyStatsContainer');
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};
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/**
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* Construct cameraGridCell options for insertion into the DOM.
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* @private
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*/
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BabyStats.prototype.buildCells_ = function() {
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this.cells_ = [];
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this.tiles_.forEach(function(tiles) {
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var cell = document.createElement('babyStatsCell');
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this.cells_.push(cell);
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var contents = document.createElement('babyStatsCellContents');
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contents.textContent = tiles[1];
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cell.appendChild(contents);
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var overlay = document.createElement('babyStatsCellOverlay');
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cell.appendChild(overlay);
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cell.addEventListener('click', this.onClick_.bind(this, tiles[0], overlay));
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}, this);
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};
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BabyStats.prototype.onClick_ = function(eventName, overlay) {
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if (this.intervals_[eventName]) {
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window.clearInterval(this.intervals_[eventName]);
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delete this.intervals_[eventName];
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overlay.style.opacity = 0.0;
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return;
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}
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var timer = 5;
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overlay.textContent = timer;
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overlay.style.opacity = 0.5;
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this.intervals_[eventName] = window.setInterval(function() {
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timer--;
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switch (timer) {
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case 0:
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// XXX: send
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overlay.textContent = '✓';
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break;
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case -1:
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break;
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case -2:
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window.clearInterval(this.intervals_[eventName]);
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delete this.intervals_[eventName];
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overlay.style.opacity = 0.0;
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break;
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default:
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overlay.textContent = timer;
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break;
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}
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}.bind(this), 1000);
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};
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/**
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* Calculate optimal grid sizing.
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* This pile of magic math calculates the optimal grid width and height to
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* maximize the size of all video feeds while preserving their aspect ratios.
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* @return {{
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* gridWidthCells: number,
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* gridHeightCells: number,
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* cellWidthPx: number,
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* cellHeightPx: number
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* }}
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* @private
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*/
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BabyStats.prototype.calculateGrid_ = function() {
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var containerWidth = this.container_.offsetWidth;
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var containerHeight = this.container_.offsetHeight;
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var numTiles = this.tiles_.length;
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var scaleFactor = ((containerHeight / this.tileScaleHeight_)
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/ (containerWidth / this.tileScaleWidth_));
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var gridHeight = Math.sqrt(scaleFactor * numTiles);
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var gridWidth = Math.sqrt(numTiles / scaleFactor);
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var gridOptions = [
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[ Math.ceil(gridWidth), Math.floor(gridHeight) ],
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[ Math.floor(gridWidth), Math.ceil(gridHeight) ],
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[ Math.ceil(gridWidth), Math.ceil(gridHeight) ],
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];
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// Check all possible options.
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// We are optimizing for several dimensions (decreasing priority):
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// 1) Be able to fit all the tiles.
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// 2) Maximum scale for an image in each cell.
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// 3) Minimize number of cells.
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var minCells = Number.MAX_VALUE;
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var maxScale = 0.0;
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var chosenHeight, chosenWidth;
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gridOptions.forEach(function(gridOption) {
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var numCells = gridOption[0] * gridOption[1];
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if (numCells < numTiles) {
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// Can't fit all the tiles in (we've rounded down too far).
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return;
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}
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var widthScale = (containerWidth / gridOption[0]) / this.tileScaleWidth_;
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var heightScale = (containerHeight / gridOption[1]) / this.tileScaleHeight_;
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var scale;
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if (widthScale < heightScale) {
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scale = widthScale;
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} else {
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scale = heightScale;
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}
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if (scale < maxScale) {
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// This would make cells smaller than another viable solution.
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return;
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}
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if (scale == maxScale && numCells > minCells) {
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// Same cell size as another viable solution, but ours has more cells.
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return;
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}
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chosenWidth = gridOption[0];
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chosenHeight = gridOption[1];
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minCells = numCells;
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maxScale = scale;
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}, this);
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return /** @struct */ {
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gridWidthCells: chosenWidth,
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gridHeightCells: chosenHeight,
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cellWidthPx: this.tileScaleWidth_ * maxScale,
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cellHeightPx: this.tileScaleHeight_ * maxScale,
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};
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};
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/**
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* Construct the grid objects in the DOM.
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* @private
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*/
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BabyStats.prototype.buildGrid_ = function() {
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this.container_.innerHTML = '';
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this.rowRule_.style.height = 100 / this.gridHeightCells_ + '%';
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this.cellRule_.style.width = 100 / this.gridWidthCells_ + '%';
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var i = 0;
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for (var y = 0; y < this.gridHeightCells_; y++) {
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var row = document.createElement('babyStatsRow');
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for (var x = 0; x < this.gridWidthCells_; x++) {
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if (i < this.cells_.length) {
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var cell = this.cells_[i];
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row.appendChild(cell);
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i++;
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}
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}
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this.container_.appendChild(row);
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}
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};
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