angular-docs-cn/packages/zone.js/test/performance/requestAnimationFrame.js

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
(function(_global) {
var mark = _global['__zone_symbol__mark'];
var measure = _global['__zone_symbol__measure'];
var zone = _global['__zone_symbol__callbackZone'];
var testRunner = _global['__zone_symbol__testRunner'];
var raf = _global['requestAnimationFrame'];
var cancel = _global['cancelAnimationFrame'];
var nativeRaf = _global['__zone_symbol__requestAnimationFrame'];
var nativeCancel = _global['__zone_symbol__cancelAnimationFrame'];
var testTarget = {
title: 'requestAnimationFrame',
times: 10,
before: function() {
_global['__zone_symbol__callbackContext'].measureName = 'requestAnimationFrame_callback';
_global['__zone_symbol__callbackContext'].type = 'macroTask';
_global['__zone_symbol__callbackContext'].source = 'requestAnimationFrame';
},
apis: [
{
supportClear: true,
method: 'requestAnimationFrame',
nativeMethod: '__zone_symbol__requestAnimationFrame',
clearMethod: 'cancelAnimationFrame',
nativeClearMethod: '__zone_symbol__cancelAnimationFrame',
run: function() { return raf(function() {}); },
runClear: function(timerId) { return cancel(timerId); },
nativeRun: function() { return nativeRaf(function() {}); },
nativeRunClear: function(timerId) { return nativeCancel(timerId); }
},
{
isCallback: true,
supportClear: false,
method: 'requestAnimationFrame_callback',
nativeMethod: 'native_requestAnimationFrame_callback',
run: function() { zone.run(function() { raf(function() {}); }); },
nativeRun: function() {
var func = function() {};
nativeRaf(function() {
mark('native_requestAnimationFrame_callback');
func.apply(this, arguments);
measure(
'native_requestAnimationFrame_callback', 'native_requestAnimationFrame_callback');
});
}
}
],
};
return testRunner(testTarget);
}(typeof window === 'undefined' ? global : window));