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Better window workaround. Thanks @raynos

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This commit is contained in:
Max New 2014-01-22 20:24:03 -06:00
parent 066992c251
commit e194592403
1 changed files with 8 additions and 8 deletions
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16
runtime/Utils.js
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@ -34,18 +34,18 @@ ElmRuntime.filterDeadInputs = function(inputs) {
// define the draw function // define the draw function
var vendors = ['ms', 'moz', 'webkit', 'o']; var vendors = ['ms', 'moz', 'webkit', 'o'];
var window = window || {}; var win = typeof window !== 'undefined' ? window : {};
for (var i = 0; i < vendors.length && !window.requestAnimationFrame; ++i) { for (var i = 0; i < vendors.length && !win.requestAnimationFrame; ++i) {
window.requestAnimationFrame = window[vendors[i]+'RequestAnimationFrame']; win.requestAnimationFrame = win[vendors[i]+'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[i]+'CancelAnimationFrame'] || win.cancelAnimationFrame = win[vendors[i]+'CancelAnimationFrame'] ||
window[vendors[i]+'CancelRequestAnimationFrame']; win[vendors[i]+'CancelRequestAnimationFrame'];
} }
if (window.requestAnimationFrame && window.cancelAnimationFrame) { if (win.requestAnimationFrame && win.cancelAnimationFrame) {
var previous = 0; var previous = 0;
ElmRuntime.draw = function(callback) { ElmRuntime.draw = function(callback) {
window.cancelAnimationFrame(previous); win.cancelAnimationFrame(previous);
previous = window.requestAnimationFrame(callback); previous = win.requestAnimationFrame(callback);
}; };
} else { } else {
ElmRuntime.draw = function(callback) { callback(); }; ElmRuntime.draw = function(callback) { callback(); };