forked from mirrors/gecko-dev
4e948732c1
This also officially gets rid of the nsIBrowserSearchInitObserver and nsISearchInstallCallback from nsISearchService.idl, even though they're not used for anything anymore. Differential Revision: https://phabricator.services.mozilla.com/D18993 --HG-- extra : moz-landing-system : lando
480 lines
15 KiB
JavaScript
480 lines
15 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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"use strict";
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/* globals XULCommandEvent */
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// This is loaded into chrome windows with the subscript loader. Wrap in
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// a block to prevent accidentally leaking globals onto `window`.
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{
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const inheritsMap = {
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".searchbar-textbox": ["disabled", "disableautocomplete", "searchengine", "src", "newlines"],
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".searchbar-search-button": ["addengines"],
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};
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function inheritAttribute(parent, child, attr) {
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if (!parent.hasAttribute(attr)) {
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child.removeAttribute(attr);
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} else {
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child.setAttribute(attr, parent.getAttribute(attr));
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}
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}
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/**
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* Defines the search bar element.
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*/
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class MozSearchbar extends MozXULElement {
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static get observedAttributes() {
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let unique = new Set();
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for (let i in inheritsMap) {
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inheritsMap[i].forEach(attr => unique.add(attr));
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}
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return Array.from(unique);
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}
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attributeChangedCallback() {
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this.inheritAttributes();
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}
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inheritAttributes() {
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if (!this.isConnected) {
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return;
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}
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for (let sel in inheritsMap) {
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let node = this.querySelector(sel);
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for (let attr of inheritsMap[sel]) {
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inheritAttribute(this, node, attr);
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}
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}
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}
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constructor() {
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super();
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this.destroy = this.destroy.bind(this);
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this._setupEventListeners();
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let searchbar = this;
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this.observer = {
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observe(aEngine, aTopic, aVerb) {
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if (aTopic == "browser-search-engine-modified" ||
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(aTopic == "browser-search-service" && aVerb == "init-complete")) {
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// Make sure the engine list is refetched next time it's needed
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searchbar._engines = null;
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// Update the popup header and update the display after any modification.
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searchbar._textbox.popup.updateHeader();
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searchbar.updateDisplay();
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}
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},
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QueryInterface: ChromeUtils.generateQI([Ci.nsIObserver]),
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};
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this.content = MozXULElement.parseXULToFragment(`
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<stringbundle src="chrome://browser/locale/search.properties"></stringbundle>
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<textbox class="searchbar-textbox" type="autocomplete" inputtype="search" placeholder="&searchInput.placeholder;" flex="1" autocompletepopup="PopupSearchAutoComplete" autocompletesearch="search-autocomplete" autocompletesearchparam="searchbar-history" maxrows="10" completeselectedindex="true" minresultsforpopup="0" inherits="disabled,disableautocomplete,searchengine,src,newlines">
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<box>
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<hbox class="searchbar-search-button" inherits="addengines" tooltiptext="&searchIcon.tooltip;">
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<image class="searchbar-search-icon"></image>
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<image class="searchbar-search-icon-overlay"></image>
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</hbox>
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</box>
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<hbox class="search-go-container">
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<image class="search-go-button urlbar-icon" hidden="true" onclick="handleSearchCommand(event);" tooltiptext="&contentSearchSubmit.tooltip;"></image>
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</hbox>
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</textbox>
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`, ["chrome://browser/locale/browser.dtd"]);
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}
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connectedCallback() {
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// Don't initialize if this isn't going to be visible
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if (this.closest("#BrowserToolbarPalette")) {
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return;
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}
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this.appendChild(document.importNode(this.content, true));
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this.inheritAttributes();
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window.addEventListener("unload", this.destroy);
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this._ignoreFocus = false;
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this._clickClosedPopup = false;
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this._stringBundle = this.querySelector("stringbundle");
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this._textboxInitialized = false;
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this._textbox = this.querySelector(".searchbar-textbox");
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this._engines = null;
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this.FormHistory = (ChromeUtils.import("resource://gre/modules/FormHistory.jsm", {})).FormHistory;
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if (this.parentNode.parentNode.localName == "toolbarpaletteitem")
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return;
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Services.obs.addObserver(this.observer, "browser-search-engine-modified");
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Services.obs.addObserver(this.observer, "browser-search-service");
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this._initialized = true;
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(window.delayedStartupPromise || Promise.resolve()).then(() => {
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window.requestIdleCallback(() => {
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Services.search.init().then(aStatus => {
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// Bail out if the binding's been destroyed
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if (!this._initialized)
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return;
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// Refresh the display (updating icon, etc)
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this.updateDisplay();
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BrowserSearch.updateOpenSearchBadge();
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}).catch(status => Cu.reportError("Cannot initialize search service, bailing out: " + status));
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});
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});
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// Wait until the popupshowing event to avoid forcing immediate
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// attachment of the search-one-offs binding.
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this.textbox.popup.addEventListener("popupshowing", () => {
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let oneOffButtons = this.textbox.popup.oneOffButtons;
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// Some accessibility tests create their own <searchbar> that doesn't
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// use the popup binding below, so null-check oneOffButtons.
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if (oneOffButtons) {
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oneOffButtons.telemetryOrigin = "searchbar";
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// Set .textbox first, since the popup setter will cause
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// a _rebuild call that uses it.
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oneOffButtons.textbox = this.textbox;
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oneOffButtons.popup = this.textbox.popup;
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}
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}, { capture: true, once: true });
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}
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get engines() {
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if (!this._engines)
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this._engines = Services.search.getVisibleEngines();
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return this._engines;
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}
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set currentEngine(val) {
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Services.search.defaultEngine = val;
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return val;
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}
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get currentEngine() {
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let currentEngine = Services.search.defaultEngine;
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// Return a dummy engine if there is no currentEngine
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return currentEngine || { name: "", uri: null };
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}
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/**
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* textbox is used by sanitize.js to clear the undo history when
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* clearing form information.
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*/
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get textbox() {
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return this._textbox;
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}
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set value(val) {
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return this._textbox.value = val;
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}
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get value() {
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return this._textbox.value;
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}
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destroy() {
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if (this._initialized) {
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this._initialized = false;
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window.removeEventListener("unload", this.destroy);
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Services.obs.removeObserver(this.observer, "browser-search-engine-modified");
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Services.obs.removeObserver(this.observer, "browser-search-service");
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}
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// Make sure to break the cycle from _textbox to us. Otherwise we leak
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// the world. But make sure it's actually pointing to us.
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// Also make sure the textbox has ever been constructed, otherwise the
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// _textbox getter will cause the textbox constructor to run, add an
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// observer, and leak the world too.
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if (this._textboxInitialized && this._textbox.mController.input == this)
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this._textbox.mController.input = null;
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}
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focus() {
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this._textbox.focus();
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}
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select() {
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this._textbox.select();
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}
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setIcon(element, uri) {
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element.setAttribute("src", uri);
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}
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updateDisplay() {
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let uri = this.currentEngine.iconURI;
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this.setIcon(this, uri ? uri.spec : "");
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let name = this.currentEngine.name;
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let text = this._stringBundle.getFormattedString("searchtip", [name]);
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this._textbox.label = text;
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this._textbox.tooltipText = text;
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}
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updateGoButtonVisibility() {
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this.querySelector(".search-go-button").hidden = !this._textbox.value;
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}
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openSuggestionsPanel(aShowOnlySettingsIfEmpty) {
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if (this._textbox.open)
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return;
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this._textbox.showHistoryPopup();
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if (this._textbox.value) {
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// showHistoryPopup does a startSearch("") call, ensure the
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// controller handles the text from the input box instead:
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this._textbox.mController.handleText();
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} else if (aShowOnlySettingsIfEmpty) {
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this.setAttribute("showonlysettings", "true");
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}
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}
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selectEngine(aEvent, isNextEngine) {
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// Find the new index
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let newIndex = this.engines.indexOf(this.currentEngine);
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newIndex += isNextEngine ? 1 : -1;
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if (newIndex >= 0 && newIndex < this.engines.length) {
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this.currentEngine = this.engines[newIndex];
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}
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aEvent.preventDefault();
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aEvent.stopPropagation();
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this.openSuggestionsPanel();
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}
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handleSearchCommand(aEvent, aEngine, aForceNewTab) {
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let where = "current";
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let params;
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// Open ctrl/cmd clicks on one-off buttons in a new background tab.
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if (aEvent && aEvent.originalTarget.classList.contains("search-go-button")) {
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if (aEvent.button == 2)
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return;
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where = whereToOpenLink(aEvent, false, true);
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} else if (aForceNewTab) {
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where = "tab";
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if (Services.prefs.getBoolPref("browser.tabs.loadInBackground"))
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where += "-background";
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} else {
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let newTabPref = Services.prefs.getBoolPref("browser.search.openintab");
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if (((aEvent instanceof KeyboardEvent && aEvent.altKey) ^ newTabPref) &&
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!gBrowser.selectedTab.isEmpty) {
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where = "tab";
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}
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if ((aEvent instanceof MouseEvent) &&
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(aEvent.button == 1 || aEvent.getModifierState("Accel"))) {
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where = "tab";
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params = {
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inBackground: true,
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};
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}
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}
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this.handleSearchCommandWhere(aEvent, aEngine, where, params);
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}
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handleSearchCommandWhere(aEvent, aEngine, aWhere, aParams) {
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let textBox = this._textbox;
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let textValue = textBox.value;
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let selection = this.telemetrySearchDetails;
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let oneOffRecorded = false;
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BrowserUsageTelemetry.recordSearchbarSelectedResultMethod(
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aEvent,
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selection ? selection.index : -1
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);
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if (!selection || (selection.index == -1)) {
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oneOffRecorded = this.textbox.popup.oneOffButtons
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.maybeRecordTelemetry(aEvent);
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if (!oneOffRecorded) {
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let source = "unknown";
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let type = "unknown";
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let target = aEvent.originalTarget;
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if (aEvent instanceof KeyboardEvent) {
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type = "key";
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} else if (aEvent instanceof MouseEvent) {
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type = "mouse";
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if (target.classList.contains("search-panel-header") ||
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target.parentNode.classList.contains("search-panel-header")) {
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source = "header";
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}
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} else if (aEvent instanceof XULCommandEvent) {
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if (target.getAttribute("anonid") == "paste-and-search") {
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source = "paste";
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}
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}
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if (!aEngine) {
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aEngine = this.currentEngine;
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}
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BrowserSearch.recordOneoffSearchInTelemetry(aEngine, source, type);
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}
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}
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// This is a one-off search only if oneOffRecorded is true.
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this.doSearch(textValue, aWhere, aEngine, aParams, oneOffRecorded);
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if (aWhere == "tab" && aParams && aParams.inBackground)
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this.focus();
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}
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doSearch(aData, aWhere, aEngine, aParams, aOneOff) {
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let textBox = this._textbox;
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// Save the current value in the form history
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if (aData && !PrivateBrowsingUtils.isWindowPrivate(window) && this.FormHistory.enabled) {
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this.FormHistory.update({
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op: "bump",
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fieldname: textBox.getAttribute("autocompletesearchparam"),
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value: aData,
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}, {
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handleError(aError) {
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Cu.reportError("Saving search to form history failed: " + aError.message);
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},
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});
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}
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let engine = aEngine || this.currentEngine;
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let submission = engine.getSubmission(aData, null, "searchbar");
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let telemetrySearchDetails = this.telemetrySearchDetails;
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this.telemetrySearchDetails = null;
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if (telemetrySearchDetails && telemetrySearchDetails.index == -1) {
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telemetrySearchDetails = null;
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}
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// If we hit here, we come either from a one-off, a plain search or a suggestion.
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const details = {
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isOneOff: aOneOff,
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isSuggestion: (!aOneOff && telemetrySearchDetails),
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selection: telemetrySearchDetails,
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};
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BrowserSearch.recordSearchInTelemetry(engine, "searchbar", details);
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// null parameter below specifies HTML response for search
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let params = {
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postData: submission.postData,
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};
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if (aParams) {
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for (let key in aParams) {
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params[key] = aParams[key];
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}
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}
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openTrustedLinkIn(submission.uri.spec, aWhere, params);
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}
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disconnectedCallback() {
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this.destroy();
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while (this.firstChild) {
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this.firstChild.remove();
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}
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}
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_setupEventListeners() {
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this.addEventListener("command", (event) => {
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const target = event.originalTarget;
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if (target.engine) {
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this.currentEngine = target.engine;
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} else if (target.classList.contains("addengine-item")) {
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// Select the installed engine if the installation succeeds.
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Services.search.addEngine(target.getAttribute("uri"), null,
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target.getAttribute("src"), false).then(engine => this.currentEngine = engine);
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} else
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return;
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this.focus();
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this.select();
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});
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this.addEventListener("DOMMouseScroll", (event) => {
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if (event.getModifierState("Accel")) {
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this.selectEngine(event, event.detail > 0);
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}
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}, true);
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this.addEventListener("input", (event) => { this.updateGoButtonVisibility(); });
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this.addEventListener("drop", (event) => { this.updateGoButtonVisibility(); });
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this.addEventListener("blur", (event) => {
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// If the input field is still focused then a different window has
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// received focus, ignore the next focus event.
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this._ignoreFocus = (document.activeElement == this._textbox.inputField);
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}, true);
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this.addEventListener("focus", (event) => {
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// Speculatively connect to the current engine's search URI (and
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// suggest URI, if different) to reduce request latency
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this.currentEngine.speculativeConnect({
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window,
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originAttributes: gBrowser.contentPrincipal
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.originAttributes,
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});
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if (this._ignoreFocus) {
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// This window has been re-focused, don't show the suggestions
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this._ignoreFocus = false;
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return;
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}
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// Don't open the suggestions if there is no text in the textbox.
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if (!this._textbox.value)
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return;
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// Don't open the suggestions if the mouse was used to focus the
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// textbox, that will be taken care of in the click handler.
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if (Services.focus.getLastFocusMethod(window) & Services.focus.FLAG_BYMOUSE)
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return;
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this.openSuggestionsPanel();
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}, true);
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this.addEventListener("mousedown", (event) => {
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if (event.originalTarget.classList.contains("searchbar-search-button")) {
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this._clickClosedPopup = this._textbox.popup._isHiding;
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}
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}, true);
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this.addEventListener("mousedown", (event) => {
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// Ignore right clicks
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if (event.button != 0) {
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return;
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}
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// Ignore clicks on the search go button.
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if (event.originalTarget.classList.contains("search-go-button")) {
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return;
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}
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// Ignore clicks on menu items in the input's context menu.
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if (event.originalTarget.localName == "menuitem") {
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return;
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}
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let isIconClick = event.originalTarget.classList.contains("searchbar-search-button");
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// Ignore clicks on the icon if they were made to close the popup
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if (isIconClick && this._clickClosedPopup) {
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return;
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}
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// Open the suggestions whenever clicking on the search icon or if there
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// is text in the textbox.
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if (isIconClick || this._textbox.value) {
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this.openSuggestionsPanel(true);
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}
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});
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}
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}
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customElements.define("searchbar", MozSearchbar);
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}
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