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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This module exports a provider that offers engines with aliases as heuristic
* results.
*/
import {
UrlbarProvider,
UrlbarUtils,
} from "resource:///modules/UrlbarUtils.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
UrlbarResult: "resource:///modules/UrlbarResult.sys.mjs",
UrlbarSearchUtils: "resource:///modules/UrlbarSearchUtils.sys.mjs",
});
/**
* Class used to create the provider.
*/
class ProviderAliasEngines extends UrlbarProvider {
/**
* Returns the name of this provider.
*
* @returns {string} the name of this provider.
*/
get name() {
return "AliasEngines";
}
/**
* Returns the type of this provider.
*
* @returns {integer} one of the types from UrlbarUtils.PROVIDER_TYPE.*
*/
get type() {
return UrlbarUtils.PROVIDER_TYPE.HEURISTIC;
}
/**
* Whether this provider should be invoked for the given context.
* If this method returns false, the providers manager won't start a query
* with this provider, to save on resources.
*
* @param {UrlbarQueryContext} queryContext The query context object
* @returns {boolean} Whether this provider should be invoked for the search.
*/
isActive(queryContext) {
return (
(!queryContext.restrictSource ||
queryContext.restrictSource == UrlbarUtils.RESULT_SOURCE.SEARCH) &&
!queryContext.searchMode &&
queryContext.tokens.length
);
}
/**
* Starts querying.
*
* @param {object} queryContext The query context object
* @param {Function} addCallback Callback invoked by the provider to add a new
* result.
*/
async startQuery(queryContext, addCallback) {
let instance = this.queryInstance;
let alias = queryContext.tokens[0]?.value;
let engine = await lazy.UrlbarSearchUtils.engineForAlias(
alias,
queryContext.searchString
);
let icon = await engine?.getIconURL();
if (!engine || instance != this.queryInstance) {
return;
}
let query = UrlbarUtils.substringAfter(queryContext.searchString, alias);
let result = new lazy.UrlbarResult(
UrlbarUtils.RESULT_TYPE.SEARCH,
UrlbarUtils.RESULT_SOURCE.SEARCH,
...lazy.UrlbarResult.payloadAndSimpleHighlights(queryContext.tokens, {
engine: engine.name,
keyword: alias,
query: query.trimStart(),
icon,
})
);
result.heuristic = true;
addCallback(this, result);
}
}
export var UrlbarProviderAliasEngines = new ProviderAliasEngines();
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