52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
// This file provides the external API for launching the sandboxed iframe.
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define([
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'/common/requireconfig.js'
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], function (RequireConfig) {
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var iframe;
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var handlers = {};
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var queries = {};
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var module = { exports: {} };
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var mkTxid = function () {
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return Math.random().toString(16).replace('0.', '') + Math.random().toString(16).replace('0.', '');
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};
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var init = module.exports.init = function (frame, cb) {
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if (iframe) { throw new Error('already initialized'); }
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var txid = mkTxid();
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var intr = setInterval(function () {
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frame.contentWindow.postMessage({
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txid: txid,
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requireConf: RequireConfig,
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q: 'INIT'
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}, '*');
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});
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window.addEventListener('message', function (msg) {
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console.log('recv');
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console.log(msg.origin);
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var data = msg.data;
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if (data.txid !== txid) { return; }
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clearInterval(intr);
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iframe = frame;
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cb();
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});
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};
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var query = module.exports.query = function (msg, cb) {
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if (!iframe) { throw new Error('not yet initialized'); }
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var txid = mkTxid();
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queries[txid] = {
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txid: txid,
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timeout: setTimeout(function () {
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delete queries[txid];
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console.log("Error")
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})
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};
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};
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var registerHandler = module.exports.registerHandler = function (queryType, handler) {
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if (typeof(handlers[queryType]) !== 'undefined') { throw new Error('already registered'); }
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handlers[queryType] = handler;
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};
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return module.exports;
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});
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