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fix(shims): add requestAnimationFrame shim for IE9 and Android 

Fixes #4209
This commit is contained in:
Marc Laval 2015-09-18 00:49:10 +02:00
parent 29f75c3c63
commit 4f56a01b3b
1 changed files with 35 additions and 0 deletions
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35
modules/angular2/src/test_lib/shims_for_IE.js vendored
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@ -99,3 +99,38 @@ if (!window.console.log) window.console.log = function () { };
if (!window.console.error) window.console.error = function () { };
if (!window.console.warn) window.console.warn = function () { };
if (!window.console.assert) window.console.assert = function () { };
//RequestAnimationFrame (IE9, Android 4.1, 4.2, 4.3)
/*! @author Paul Irish */
/*! @source https://gist.github.com/paulirish/1579671 */
// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
// MIT license
(function() {
var lastTime = 0;
var vendors = ['ms', 'moz', 'webkit', 'o'];
for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
|| window[vendors[x]+'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame)
window.requestAnimationFrame = function(callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function() { callback(currTime + timeToCall); },
timeToCall);
lastTime = currTime + timeToCall;
return id;
};
if (!window.cancelAnimationFrame)
window.cancelAnimationFrame = function(id) {
clearTimeout(id);
};
}());