angular2/src/platform/worker_render.js

Angular 2 - a web framework for modern web apps

'use strict';"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var post_message_bus_1 = require('angular2/src/web_workers/shared/post_message_bus');
var message_bus_1 = require('angular2/src/web_workers/shared/message_bus');
var core_1 = require('angular2/core');
var di_1 = require('angular2/src/core/di');
var worker_render_common_1 = require('angular2/src/platform/worker_render_common');
var exceptions_1 = require('angular2/src/facade/exceptions');
var lang_1 = require('angular2/src/facade/lang');
/**
 * Wrapper class that exposes the Worker
 * and underlying {@link MessageBus} for lower level message passing.
 */
var WebWorkerInstance = (function () {
    function WebWorkerInstance() {
    }
    /** @internal */
    WebWorkerInstance.prototype.init = function (worker, bus) {
        this.worker = worker;
        this.bus = bus;
    };
    WebWorkerInstance = __decorate([
        di_1.Injectable(), 
        __metadata('design:paramtypes', [])
    ], WebWorkerInstance);
    return WebWorkerInstance;
}());
exports.WebWorkerInstance = WebWorkerInstance;
/**
 * An array of providers that should be passed into `application()` when initializing a new Worker.
 */
exports.WORKER_RENDER_APPLICATION = lang_1.CONST_EXPR([
    worker_render_common_1.WORKER_RENDER_APPLICATION_COMMON,
    WebWorkerInstance,
    new di_1.Provider(core_1.APP_INITIALIZER, {
        useFactory: function (injector) { return function () { return initWebWorkerApplication(injector); }; },
        multi: true,
        deps: [di_1.Injector]
    }),
    new di_1.Provider(message_bus_1.MessageBus, { useFactory: function (instance) { return instance.bus; }, deps: [WebWorkerInstance] })
]);
function initWebWorkerApplication(injector) {
    var scriptUri;
    try {
        scriptUri = injector.get(worker_render_common_1.WORKER_SCRIPT);
    }
    catch (e) {
        throw new exceptions_1.BaseException("You must provide your WebWorker's initialization script with the WORKER_SCRIPT token");
    }
    var instance = injector.get(WebWorkerInstance);
    spawnWebWorker(scriptUri, instance);
    worker_render_common_1.initializeGenericWorkerRenderer(injector);
}
/**
 * Spawns a new class and initializes the WebWorkerInstance
 */
function spawnWebWorker(uri, instance) {
    var webWorker = new Worker(uri);
    var sink = new post_message_bus_1.PostMessageBusSink(webWorker);
    var source = new post_message_bus_1.PostMessageBusSource(webWorker);
    var bus = new post_message_bus_1.PostMessageBus(sink, source);
    instance.init(webWorker, bus);
}
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F0aW9uIHNjcmlwdCB3aXRoIHRoZSBXT1JLRVJfU0NSSVBUIHRva2VuXCIpO1xuICB9XG5cbiAgbGV0IGluc3RhbmNlID0gaW5qZWN0b3IuZ2V0KFdlYldvcmtlckluc3RhbmNlKTtcbiAgc3Bhd25XZWJXb3JrZXIoc2NyaXB0VXJpLCBpbnN0YW5jZSk7XG5cbiAgaW5pdGlhbGl6ZUdlbmVyaWNXb3JrZXJSZW5kZXJlcihpbmplY3Rvcik7XG59XG5cbi8qKlxuICogU3Bhd25zIGEgbmV3IGNsYXNzIGFuZCBpbml0aWFsaXplcyB0aGUgV2ViV29ya2VySW5zdGFuY2VcbiAqL1xuZnVuY3Rpb24gc3Bhd25XZWJXb3JrZXIodXJpOiBzdHJpbmcsIGluc3RhbmNlOiBXZWJXb3JrZXJJbnN0YW5jZSk6IHZvaWQge1xuICB2YXIgd2ViV29ya2VyOiBXb3JrZXIgPSBuZXcgV29ya2VyKHVyaSk7XG4gIHZhciBzaW5rID0gbmV3IFBvc3RNZXNzYWdlQnVzU2luayh3ZWJXb3JrZXIpO1xuICB2YXIgc291cmNlID0gbmV3IFBvc3RNZXNzYWdlQnVzU291cmNlKHdlYldvcmtlcik7XG4gIHZhciBidXMgPSBuZXcgUG9zdE1lc3NhZ2VCdXMoc2luaywgc291cmNlKTtcblxuICBpbnN0YW5jZS5pbml0KHdlYldvcmtlciwgYnVzKTtcbn1cbiJdfQ==