ducha-qianduan/node_modules/rxjs/internal/scheduler/AnimationFrameAction.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    }
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var AsyncAction_1 = require("./AsyncAction");
var AnimationFrameAction = (function (_super) {
    __extends(AnimationFrameAction, _super);
    function AnimationFrameAction(scheduler, work) {
        var _this = _super.call(this, scheduler, work) || this;
        _this.scheduler = scheduler;
        _this.work = work;
        return _this;
    }
    AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {
        if (delay === void 0) { delay = 0; }
        if (delay !== null && delay > 0) {
            return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);
        }
        scheduler.actions.push(this);
        return scheduler.scheduled || (scheduler.scheduled = requestAnimationFrame(function () { return scheduler.flush(null); }));
    };
    AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {
        if (delay === void 0) { delay = 0; }
        if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {
            return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);
        }
        if (scheduler.actions.length === 0) {
            cancelAnimationFrame(id);
            scheduler.scheduled = undefined;
        }
        return undefined;
    };
    return AnimationFrameAction;
}(AsyncAction_1.AsyncAction));
exports.AnimationFrameAction = AnimationFrameAction;
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