mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-13 23:17:57 +00:00
270 lines
14 KiB
JavaScript
270 lines
14 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// If a definition requires additional params, check that the final search url
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// is handled correctly by the engine.
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const SEARCH_ENGINES = {
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"Google": {
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image: "data:image/png;base64," +
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"iVBORw0KGgoAAAANSUhEUgAAAEYAAAAcCAYAAADcO8kVAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJ" +
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"bWFnZVJlYWR5ccllPAAADHdJREFUeNrsWQl0VNUZvve9NzNJJpnsIkuEJMoqAVJAodCKoFUsAUFQ" +
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"qhig0npaRUE8Viv1FFtQWxSwLXVhEawbhOWobOICFCGiEIIQRGIgCSFjMslsb9567+1/Z+7gmIYK" +
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"Vivt6Ztzz5y5b+7yf//3f/9/38PoW7gYY+i7uDDG39heJfT/q91LGTiTIcWJkCxzxDmCCBGCkBEO" +
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"FDCm5CPs+CGWYvcliRxEzDwgu9I/IzZClonQgT/jC9Eu3GFTz6sdKc57kIzHWKaFjIA2wz++Zhkn" +
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"yblMIDkAFIcDDFcQ+vtjGJuaOlKPkB2G4V4U9kcu8zfWlPtPVX/g9zZ7QwE03jDTqzWVndBUc57a" +
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"Up91gToce0cf3R05El5u6gYyNQ0BKK/x/nNmjKwwxBmx8/eSNHiWsVLXlBJ/7UdTazcN3gn3bYEw" +
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"FmG3pvOobRuScoc+ibEyF6GsUugrgEYuMGD4nqltmJjqFBkt+gcJ/ed0SZIA5crZ+gumrpQ0H319" +
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"ogBFh6aJFoGmQguf2n7tu62HnvgJ1cPBcN3m6dAnX4CM4QAQigmxdQthm9EEJ58bY3bOl/CQ2YE5" +
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"pu24LdBwZE7De+M+4gBAs/IntETphOHD4FOzNoNPbjuzBkn+48/9qKXywWPcM99Edvh2siPfHeyc" +
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"nH8mU/pM2pJLsfshI0KCNRv7viiYYXW7sRnmxTFQhCp3G9/CTqzLsht3jtkrmGJdgGF0xmYpQx5G" +
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"KBEInWdWSs4pnm6bLD3i95WJsDG7jmtiXFYwlmF2WXATmCPROE05IGa3G33sxPrsL014tGRMVo5D" +
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"uVdirD/8zJBluQgC9qSF2JKcV9cuPwudsbq1YLqCydjYGOkSngYtKq36vJUs6jqhuqXtgCvursty" +
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"uHOnSZIMWROnc/dR2J5pYAZO3tF0rOwvAXI/jvKZ/vN6zVNuHQGWjYNx/SWGiohtH9R1Y17HDRvf" +
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"4XtUCEoaQwyGbEOr5QZ3HeeLbRwrosnRNB5lHNwpuBn+HK2KWFsLcd34scWpGJd5g6Ener61faoQ" +
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"az35/pKIyhCAh6SUQre4H/M+L7lAqJl+RvKsVeHw0pBlntJME2VQunVzRsaERCfuyMzMfyszMzN+" +
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"ak52XTQ2333prxdJzuyRXGSw7KjFEnlUwYF1zrROLbxO4umwcVOWkjV0z51YyXqaEQsR9djYQMX4" +
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"TTwVQst8NiVlPqS+Upj0EAyZB9+tcB4ZByJ71V5C7ntcj550Q4KBTl7pvjFVmtbnYvSQ7ACcEZoD" +
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"fTUwbgDE490fN6B5o5fRjdAXiDNBGKLwNVMLZnTJLPrDh1hypAFHAkTzXnNqc+GHfG75oYxVYN0k" +
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"YEwQXPEAcuF9ZIH/01ku1/ChivJHkNCeMk8sCNXChCdhQr7+6uvC4RU4d8RJ1PRuV64JKdDSU3su" +
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"HuHMuKJUcuWMhMU4QHwflWBHgFEb4tXuSs3gEaLV7bdDlXvU6rm7hKH8SobmmawohUNkeSDUghdD" +
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"0vfXMrbnYdOoSij6Eg108TFje6EOMwbjwZ0zUHeXA5GGANoz6jm2VwCotikBcN7YpvHEtvrDnoqh" +
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"t58kuzpDJcoPhQDO6YGn3+pTK/007QYUoClgOUHpWAUuldPV4VYYn8rXfMDpHN4NS4McOBpsJ7fZ" +
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"9utrbNvLWYdzrq5H3PO+Hfmy8GCKaI7U7o/3wq6ObklOIkhykcD+sbuFMeKAcKYos8RvSczhEgLM" +
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"EioJknDoTEznWLDNJb5RO2POPBfqf2frdFN3LAz6Im+agU9e+Xzn8HLod+dcueXnDk/vX2DZlQaK" +
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"/ebpLV0miPmcCXs1xZySWC9JMA/Fz3/CeXZbgcTCIEVMqiSAkFguxQ0mX06IX9KueIuPpV/xPCS+" +
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"ttQGnDMs6Tej8SaseF4LN9c9cnxNj6VxI8Q+3em9Hx+c3PmW1UDztMZtXVLEfdymbGAJ60kJGZQm" +
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"tH99bE8YGN/wd/mgxdG7NFDb8/ZohryYA5HguHhI5uYO27vyoqtrmAiXr31JX/V48CuY8R8FJhxE" +
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"eeEAQWk9HnYlFmMJoRKG03QLtUJ7/93FvpXXJ7wM/6Za4l71UEu5pWkoucv0Be0tm95vmUdy5t5k" +
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"tpbPbe8B2vmsi7+rl2Nf4yVaUlLHSQXu7r8tw1JyT+ivhQBaAhZUxBSC5EPpPtMKVDzi3z/+HZHJ" +
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"7K/7IvC/CRhZ6Ep6evGGyXJS3kAsp3SGcgLKc7uSktBhrW7ZFq32r/HHCVbb0P9fBSYOTpIoJ5SE" +
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"7GUnpHbrbG8EzsfWfwgwAEfC/ToQIhkhAAAAAElFTkSuQmCC"
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, params: "source=hp&channel=np"
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}
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, "Яндекс":
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{
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image: "data:image/png;base64," +
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"iVBORw0KGgoAAAANSUhEUgAAAEYAAAAcCAYAAADcO8kVAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJ" +
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"bWFnZVJlYWR5ccllPAAABWFJREFUeNrsWWtsVEUUnltLH7tbaeuDbfCBojUoBTGmooLE+Igx+gON" +
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"RvEJhEQNUdEYA0Ji4xNf2Bg1iBJJrGBC+CEBNYoxxmh94CMKRE2MitBqoZRi6bbdZT3TfhM/TmZ2" +
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"u5jGsOEkX8/0ztzp3HPP4zu3UTabNUfEI9YwgzAxjUbBGkG7IAv0CwYE53rWC+KChFloRh329igN" +
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"zD8keJR+P2DvEbgnrjp4eWT65GerSZuU6FWii9Fj5pGHvC6ow/WpdP1C7SV3Bm18eNpDG2a0oA0P" +
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"v0qFSn3IMPOKxChsmBJ1/TpBEuNn1NxRB8XOoJSYRabfrCiG0FGiDXMZ9HeC73PfGpkOST0vmYGi" +
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"LEraMCdB/5jP46xhnhaj7C3Sal2qjFSDcU8eb4m2m4xpHvKWYwSTBd2Cr1HBrIwVnCXYIdiiNrDh" +
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"Wi8YQLVzZ+mDt/ar9acK5gqOE6wTvKvmE4JzsN83ghSu1+AMMcGngr/pnnHYM4nzrRX8EapKm5Fc" +
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"3/bwlAn/Jt/EtJdNmdvidjxcpyrjT+D6Fx7LPoA5jf3ktU5metY9rtZcRHNn0vV3cO0rtf6GwN9v" +
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"DCXfX6AbVLL1hJJOxIM6UtwnJG7ORuIaMl5W7W297g2MmwR3YLxQcDmty3jOdongCrrXyRTBaoyf" +
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"/BLoFsECwXsw1gUIZa9h7NvZivGLgkk010eHjv5jbitXD1HiWVMhuB7jDXR9E/R0Qa3nPvvmTxZc" +
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"7fGWyQhNK6/R9b8Ev4aSr0HyunWQ3Q/li8/hdh8JTiOD+DpPa7jegHtriUN35zDMRMEJGH9J17dB" +
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"18KzO9V9NvndjbH1sB9objp0u+CT4VYlJ5txKLvpDMFsIJ/EwYOs9bsEp+RYeyz0nx7y6ORsGu8K" +
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"jwrXBW4zJ/C8FYdqmEWUb94aZniUUbXJVbmm0N6/5zjbPnohcfKePiDlSfBJeO0r9Bx8pi7oEw/F" +
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"MPMp8S0roARHar+QYS6FXp9nv230dicVcA7LaZoxHo/ncfIbEdi6Qgxje4vFRL5aRqA/uxn6Vc9c" +
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"muK/lXqeuQXsPwZMdi0RPedxH1AFva0QwyygavDkCBjlFuy/HJWhksLQgOVyxWqh3mYx7RND2Pi8" +
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"0n1+baawmU9e2o6x/XR7raIQVb4mskGQQaO4ydNENlATeTE1kXOQc/agXDpZqhq42dQL2US9G1Wl" +
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"G5XEzaWJbyTBddzcTuSmAYTMOKybQWsmeppIbk5nqcbxJ1RHO37B10TeRL3KU543kUKF0J8leqgq" +
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"8ae8PdAd6ltPL954LXQV/m4HEbgaYqjT6KNZHWhAKd5+mzpDN4WflUdw5koweitv4lldX2QpxQSc" +
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"/UOfx9jvvTHBKP+/RmKRoHwIiYg8pgQJsszTKFYSV2qC0VcShyqnqlEKRpolqsAyFfnpKmLOnOgr" +
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"VAVirhYnYzsZLbgSe57nwtL375N8H+Oy3H2qKpAKEL5eVc65E04rD2NW66uWrUDobKnAnPs7PR5+" +
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"tLFQHjMS0knhEZLdim/8bxId+RetX/4RYACXlwEEPBQycwAAAABJRU5ErkJggg=="
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}
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};
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// The process of adding a new default snippet involves:
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// * add a new entity to aboutHome.dtd
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// * add a <span/> for it in aboutHome.xhtml
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// * add an entry here in the proper ordering (based on spans)
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// The <a/> part of the snippet will be linked to the corresponding url.
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const DEFAULT_SNIPPETS_URLS = [
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"http://www.mozilla.com/firefox/features/?WT.mc_ID=default1"
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, "https://addons.mozilla.org/firefox/?src=snippet&WT.mc_ID=default2"
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];
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const SNIPPETS_UPDATE_INTERVAL_MS = 86400000; // 1 Day.
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let gObserver = new MutationObserver(function (mutations) {
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for (let mutation of mutations) {
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if (mutation.attributeName == "searchEngineURL") {
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gObserver.disconnect();
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setupSearchEngine();
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loadSnippets();
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return;
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}
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}
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});
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window.addEventListener("load", function () {
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// Delay search engine setup, cause browser.js::BrowserOnAboutPageLoad runs
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// later and may use asynchronous getters.
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window.gObserver.observe(document.documentElement, { attributes: true });
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fitToWidth();
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});
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window.addEventListener("resize", fitToWidth);
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function onSearchSubmit(aEvent)
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{
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let searchTerms = document.getElementById("searchText").value;
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let searchURL = document.documentElement.getAttribute("searchEngineURL");
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if (searchURL && searchTerms.length > 0) {
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const SEARCH_TOKENS = {
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"_searchTerms_": encodeURIComponent(searchTerms)
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}
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for (let key in SEARCH_TOKENS) {
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searchURL = searchURL.replace(key, SEARCH_TOKENS[key]);
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}
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window.location.href = searchURL;
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}
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aEvent.preventDefault();
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}
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function setupSearchEngine()
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{
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let searchEngineName = document.documentElement.getAttribute("searchEngineName");
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let searchEngineInfo = SEARCH_ENGINES[searchEngineName];
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if (!searchEngineInfo) {
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return;
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}
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// Enqueue additional params if required by the engine definition.
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if (searchEngineInfo.params) {
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let searchEngineURL = document.documentElement.getAttribute("searchEngineURL");
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searchEngineURL += "&" + searchEngineInfo.params;
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document.documentElement.setAttribute("searchEngineURL", searchEngineURL);
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}
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// Add search engine logo.
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if (searchEngineInfo.image) {
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let logoElt = document.getElementById("searchEngineLogo");
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logoElt.src = searchEngineInfo.image;
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logoElt.alt = searchEngineInfo.name;
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}
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// The "autofocus" attribute doesn't focus the form element
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// immediately when the element is first drawn, so the
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// attribute is also used for styling when the page first loads.
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let searchText = document.getElementById("searchText");
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searchText.addEventListener("blur", function searchText_onBlur() {
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searchText.removeEventListener("blur", searchText_onBlur);
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searchText.removeAttribute("autofocus");
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});
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}
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function loadSnippets()
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{
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// Check last snippets update.
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let lastUpdate = localStorage["snippets-last-update"];
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let updateURL = document.documentElement.getAttribute("snippetsURL");
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if (updateURL && (!lastUpdate ||
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Date.now() - lastUpdate > SNIPPETS_UPDATE_INTERVAL_MS)) {
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// Try to update from network.
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let xhr = new XMLHttpRequest();
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try {
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xhr.open("GET", updateURL, true);
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} catch (ex) {
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showSnippets();
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return;
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}
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// Even if fetching should fail we don't want to spam the server, thus
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// set the last update time regardless its results. Will retry tomorrow.
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localStorage["snippets-last-update"] = Date.now();
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xhr.onerror = function (event) {
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showSnippets();
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};
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xhr.onload = function (event)
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{
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if (xhr.status == 200) {
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localStorage["snippets"] = xhr.responseText;
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}
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showSnippets();
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};
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xhr.send(null);
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} else {
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showSnippets();
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}
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}
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function showSnippets()
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{
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let snippetsElt = document.getElementById("snippets");
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let snippets = localStorage["snippets"];
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// If there are remotely fetched snippets, try to to show them.
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if (snippets) {
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// Injecting snippets can throw if they're invalid XML.
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try {
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snippetsElt.innerHTML = snippets;
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// Scripts injected by innerHTML are inactive, so we have to relocate them
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// through DOM manipulation to activate their contents.
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Array.forEach(snippetsElt.getElementsByTagName("script"), function(elt) {
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let relocatedScript = document.createElement("script");
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relocatedScript.type = "text/javascript;version=1.8";
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relocatedScript.text = elt.text;
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elt.parentNode.replaceChild(relocatedScript, elt);
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});
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return;
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} catch (ex) {
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// Bad content, continue to show default snippets.
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}
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}
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// Show default snippets otherwise.
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let defaultSnippetsElt = document.getElementById("defaultSnippets");
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let entries = defaultSnippetsElt.querySelectorAll("span");
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// Choose a random snippet. Assume there is always at least one.
|
|
let randIndex = Math.floor(Math.random() * entries.length);
|
|
let entry = entries[randIndex];
|
|
// Inject url in the eventual link.
|
|
if (DEFAULT_SNIPPETS_URLS[randIndex]) {
|
|
let links = entry.getElementsByTagName("a");
|
|
// Default snippets can have only one link, otherwise something is messed
|
|
// up in the translation.
|
|
if (links.length == 1) {
|
|
links[0].href = DEFAULT_SNIPPETS_URLS[randIndex];
|
|
}
|
|
}
|
|
// Move the default snippet to the snippets element.
|
|
snippetsElt.appendChild(entry);
|
|
}
|
|
|
|
function fitToWidth() {
|
|
if (window.scrollMaxX) {
|
|
document.body.setAttribute("narrow", "true");
|
|
} else if (document.body.hasAttribute("narrow")) {
|
|
document.body.removeAttribute("narrow");
|
|
fitToWidth();
|
|
}
|
|
}
|