44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
define(function (require, exports, module) {
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var EventObject = require("EventObject");
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var Connector = function () {
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var token = 0;
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var callback = {};
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this.send = function (type, data, cb, target) {
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/// <summary>发送消息到后台</summary>
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var args = { type: type, data: data, token: token++ };
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if (cb)
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callback[args.token] = { func: cb, target: target, arg: args };
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window.postMessage({ command: "ccontentScriptConnection", data: args });
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};
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//回调
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window.addEventListener("message", function (event) {
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if (!event.data || !event.data.command || event.data.command !== "contentScriptConnection")
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return;
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var data = event.data;
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var result = data.result;
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var destToken = data.token;
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if (callback[destToken]) {
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var cb = callback[destToken];
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delete callback[destToken];
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if (cb.target) {
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cb.func.apply(cb.target, [result, cb.arg]);
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} else {
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cb.func(result, cb.arg);
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}
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}
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});
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};
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Connector.prototype = Object.create(EventObject);
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Connector.constructor = Connector;
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return Object.create(Connector);
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});
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