forked from mirrors/gecko-dev
95 lines
2.7 KiB
JavaScript
95 lines
2.7 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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/**
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* This module exports a provider that offers engines with aliases as heuristic
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* results.
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*/
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import {
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UrlbarProvider,
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UrlbarUtils,
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} from "resource:///modules/UrlbarUtils.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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UrlbarResult: "resource:///modules/UrlbarResult.sys.mjs",
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UrlbarSearchUtils: "resource:///modules/UrlbarSearchUtils.sys.mjs",
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UrlbarTokenizer: "resource:///modules/UrlbarTokenizer.sys.mjs",
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});
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/**
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* Class used to create the provider.
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*/
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class ProviderAliasEngines extends UrlbarProvider {
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/**
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* Returns the name of this provider.
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*
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* @returns {string} the name of this provider.
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*/
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get name() {
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return "AliasEngines";
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}
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/**
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* Returns the type of this provider.
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*
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* @returns {integer} one of the types from UrlbarUtils.PROVIDER_TYPE.*
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*/
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get type() {
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return UrlbarUtils.PROVIDER_TYPE.HEURISTIC;
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}
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/**
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* Whether this provider should be invoked for the given context.
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* If this method returns false, the providers manager won't start a query
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* with this provider, to save on resources.
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*
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* @param {UrlbarQueryContext} queryContext The query context object
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* @returns {boolean} Whether this provider should be invoked for the search.
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*/
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isActive(queryContext) {
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return (
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(!queryContext.restrictSource ||
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queryContext.restrictSource == lazy.UrlbarTokenizer.RESTRICT.SEARCH) &&
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!queryContext.searchMode &&
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queryContext.tokens.length
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);
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}
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/**
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* Starts querying.
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*
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* @param {object} queryContext The query context object
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* @param {Function} addCallback Callback invoked by the provider to add a new
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* result.
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*/
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async startQuery(queryContext, addCallback) {
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let instance = this.queryInstance;
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let alias = queryContext.tokens[0]?.value;
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let engine = await lazy.UrlbarSearchUtils.engineForAlias(
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alias,
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queryContext.searchString
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);
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if (!engine || instance != this.queryInstance) {
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return;
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}
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let query = UrlbarUtils.substringAfter(queryContext.searchString, alias);
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let result = new lazy.UrlbarResult(
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UrlbarUtils.RESULT_TYPE.SEARCH,
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UrlbarUtils.RESULT_SOURCE.SEARCH,
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...lazy.UrlbarResult.payloadAndSimpleHighlights(queryContext.tokens, {
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engine: engine.name,
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keyword: alias,
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query: query.trimStart(),
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icon: engine.iconURI?.spec,
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})
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);
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result.heuristic = true;
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addCallback(this, result);
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}
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}
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export var UrlbarProviderAliasEngines = new ProviderAliasEngines();
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