forked from mirrors/gecko-dev
742 lines
26 KiB
JavaScript
742 lines
26 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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/**
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* This module exports a component used to register search providers and manage
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* the connection between such providers and a UrlbarController.
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*/
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var EXPORTED_SYMBOLS = ["UrlbarProvidersManager"];
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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const lazy = {};
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XPCOMUtils.defineLazyModuleGetters(lazy, {
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ObjectUtils: "resource://gre/modules/ObjectUtils.jsm",
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PlacesUtils: "resource://gre/modules/PlacesUtils.jsm",
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SkippableTimer: "resource:///modules/UrlbarUtils.jsm",
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UrlbarMuxer: "resource:///modules/UrlbarUtils.jsm",
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UrlbarPrefs: "resource:///modules/UrlbarPrefs.jsm",
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UrlbarProvider: "resource:///modules/UrlbarUtils.jsm",
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UrlbarSearchUtils: "resource:///modules/UrlbarSearchUtils.jsm",
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UrlbarTokenizer: "resource:///modules/UrlbarTokenizer.jsm",
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UrlbarUtils: "resource:///modules/UrlbarUtils.jsm",
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});
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XPCOMUtils.defineLazyGetter(lazy, "logger", () =>
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lazy.UrlbarUtils.getLogger({ prefix: "ProvidersManager" })
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);
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// List of available local providers, each is implemented in its own jsm module
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// and will track different queries internally by queryContext.
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var localProviderModules = {
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UrlbarProviderAboutPages: "resource:///modules/UrlbarProviderAboutPages.jsm",
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UrlbarProviderAliasEngines:
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"resource:///modules/UrlbarProviderAliasEngines.jsm",
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UrlbarProviderAutofill: "resource:///modules/UrlbarProviderAutofill.jsm",
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UrlbarProviderBookmarkKeywords:
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"resource:///modules/UrlbarProviderBookmarkKeywords.jsm",
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UrlbarProviderCalculator: "resource:///modules/UrlbarProviderCalculator.jsm",
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UrlbarProviderHeuristicFallback:
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"resource:///modules/UrlbarProviderHeuristicFallback.jsm",
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UrlbarProviderInputHistory:
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"resource:///modules/UrlbarProviderInputHistory.jsm",
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UrlbarProviderInterventions:
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"resource:///modules/UrlbarProviderInterventions.jsm",
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UrlbarProviderOmnibox: "resource:///modules/UrlbarProviderOmnibox.jsm",
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UrlbarProviderPlaces: "resource:///modules/UrlbarProviderPlaces.jsm",
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UrlbarProviderPreloadedSites:
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"resource:///modules/UrlbarProviderPreloadedSites.jsm",
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UrlbarProviderPrivateSearch:
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"resource:///modules/UrlbarProviderPrivateSearch.jsm",
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UrlbarProviderQuickActions:
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"resource:///modules/UrlbarProviderQuickActions.jsm",
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UrlbarProviderQuickSuggest:
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"resource:///modules/UrlbarProviderQuickSuggest.jsm",
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UrlbarProviderRemoteTabs: "resource:///modules/UrlbarProviderRemoteTabs.jsm",
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UrlbarProviderSearchTips: "resource:///modules/UrlbarProviderSearchTips.jsm",
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UrlbarProviderSearchSuggestions:
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"resource:///modules/UrlbarProviderSearchSuggestions.jsm",
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UrlbarProviderTabToSearch:
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"resource:///modules/UrlbarProviderTabToSearch.jsm",
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UrlbarProviderTokenAliasEngines:
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"resource:///modules/UrlbarProviderTokenAliasEngines.jsm",
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UrlbarProviderTopSites: "resource:///modules/UrlbarProviderTopSites.jsm",
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UrlbarProviderUnitConversion:
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"resource:///modules/UrlbarProviderUnitConversion.jsm",
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};
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// List of available local muxers, each is implemented in its own jsm module.
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var localMuxerModules = {
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UrlbarMuxerUnifiedComplete:
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"resource:///modules/UrlbarMuxerUnifiedComplete.jsm",
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};
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// To improve dataflow and reduce UI work, when a result is added by a
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// non-heuristic provider, we notify it to the controller after a delay, so
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// that we can chunk results coming in that timeframe into a single call.
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const CHUNK_RESULTS_DELAY_MS = 16;
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const DEFAULT_MUXER = "UnifiedComplete";
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/**
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* Class used to create a manager.
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* The manager is responsible to keep a list of providers, instantiate query
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* objects and pass those to the providers.
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*/
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class ProvidersManager {
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constructor() {
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// Tracks the available providers. This is a sorted array, with HEURISTIC
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// providers at the front.
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this.providers = [];
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for (let [symbol, module] of Object.entries(localProviderModules)) {
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let { [symbol]: provider } = ChromeUtils.import(module);
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this.registerProvider(provider);
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}
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// Tracks ongoing Query instances by queryContext.
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this.queries = new Map();
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// Interrupt() allows to stop any running SQL query, some provider may be
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// running a query that shouldn't be interrupted, and if so it should
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// bump this through disableInterrupt and enableInterrupt.
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this.interruptLevel = 0;
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// This maps muxer names to muxers.
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this.muxers = new Map();
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for (let [symbol, module] of Object.entries(localMuxerModules)) {
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let { [symbol]: muxer } = ChromeUtils.import(module);
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this.registerMuxer(muxer);
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}
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}
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/**
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* Registers a provider object with the manager.
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* @param {object} provider
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*/
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registerProvider(provider) {
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if (!provider || !(provider instanceof lazy.UrlbarProvider)) {
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throw new Error(`Trying to register an invalid provider`);
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}
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if (
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!Object.values(lazy.UrlbarUtils.PROVIDER_TYPE).includes(provider.type)
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) {
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throw new Error(`Unknown provider type ${provider.type}`);
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}
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lazy.logger.info(`Registering provider ${provider.name}`);
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let index = -1;
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if (provider.type == lazy.UrlbarUtils.PROVIDER_TYPE.HEURISTIC) {
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// Keep heuristic providers in order at the front of the array. Find the
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// first non-heuristic provider and insert the new provider there.
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index = this.providers.findIndex(
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p => p.type != lazy.UrlbarUtils.PROVIDER_TYPE.HEURISTIC
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);
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}
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if (index < 0) {
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index = this.providers.length;
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}
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this.providers.splice(index, 0, provider);
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}
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/**
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* Unregisters a previously registered provider object.
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* @param {object} provider
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*/
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unregisterProvider(provider) {
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lazy.logger.info(`Unregistering provider ${provider.name}`);
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let index = this.providers.findIndex(p => p.name == provider.name);
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if (index != -1) {
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this.providers.splice(index, 1);
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}
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}
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/**
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* Returns the provider with the given name.
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* @param {string} name The provider name.
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* @returns {UrlbarProvider} The provider.
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*/
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getProvider(name) {
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return this.providers.find(p => p.name == name);
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}
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/**
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* Registers a muxer object with the manager.
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* @param {object} muxer a UrlbarMuxer object
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*/
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registerMuxer(muxer) {
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if (!muxer || !(muxer instanceof lazy.UrlbarMuxer)) {
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throw new Error(`Trying to register an invalid muxer`);
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}
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lazy.logger.info(`Registering muxer ${muxer.name}`);
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this.muxers.set(muxer.name, muxer);
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}
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/**
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* Unregisters a previously registered muxer object.
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* @param {object} muxer a UrlbarMuxer object or name.
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*/
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unregisterMuxer(muxer) {
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let muxerName = typeof muxer == "string" ? muxer : muxer.name;
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lazy.logger.info(`Unregistering muxer ${muxerName}`);
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this.muxers.delete(muxerName);
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}
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/**
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* Starts querying.
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* @param {object} queryContext The query context object
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* @param {object} [controller] a UrlbarController instance
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*/
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async startQuery(queryContext, controller = null) {
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lazy.logger.info(`Query start ${queryContext.searchString}`);
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// Define the muxer to use.
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let muxerName = queryContext.muxer || DEFAULT_MUXER;
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lazy.logger.info(`Using muxer ${muxerName}`);
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let muxer = this.muxers.get(muxerName);
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if (!muxer) {
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throw new Error(`Muxer with name ${muxerName} not found`);
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}
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// If the queryContext specifies a list of providers to use, filter on it,
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// otherwise just pass the full list of providers.
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let providers = queryContext.providers
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? this.providers.filter(p => queryContext.providers.includes(p.name))
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: this.providers;
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// Apply tokenization.
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lazy.UrlbarTokenizer.tokenize(queryContext);
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// If there's a single source, we are in restriction mode.
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if (queryContext.sources && queryContext.sources.length == 1) {
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queryContext.restrictSource = queryContext.sources[0];
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}
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// Providers can use queryContext.sources to decide whether they want to be
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// invoked or not.
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// The sources may be defined in the context, then the whole search string
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// can be used for searching. Otherwise sources are extracted from prefs and
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// restriction tokens, then restriction tokens must be filtered out of the
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// search string.
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let restrictToken = updateSourcesIfEmpty(queryContext);
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if (restrictToken) {
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queryContext.restrictToken = restrictToken;
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// If the restriction token has an equivalent source, then set it as
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// restrictSource.
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if (lazy.UrlbarTokenizer.SEARCH_MODE_RESTRICT.has(restrictToken.value)) {
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queryContext.restrictSource = queryContext.sources[0];
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}
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}
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lazy.logger.debug(`Context sources ${queryContext.sources}`);
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let query = new Query(queryContext, controller, muxer, providers);
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this.queries.set(queryContext, query);
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// The muxer and many providers depend on the search service and our search
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// utils. Make sure they're initialized now (via UrlbarSearchUtils) so that
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// all query-related urlbar modules don't need to do it.
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await lazy.UrlbarSearchUtils.init();
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if (query.canceled) {
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return;
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}
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// Update the behavior of extension providers.
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let updateBehaviorPromises = [];
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for (let provider of this.providers) {
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if (
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provider.type == lazy.UrlbarUtils.PROVIDER_TYPE.EXTENSION &&
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provider.name != "Omnibox"
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) {
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updateBehaviorPromises.push(
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provider.tryMethod("updateBehavior", queryContext)
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);
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}
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}
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if (updateBehaviorPromises.length) {
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await Promise.all(updateBehaviorPromises);
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if (query.canceled) {
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return;
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}
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}
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await query.start();
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}
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/**
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* Cancels a running query.
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* @param {object} queryContext
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*/
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cancelQuery(queryContext) {
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lazy.logger.info(`Query cancel "${queryContext.searchString}"`);
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let query = this.queries.get(queryContext);
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if (!query) {
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throw new Error("Couldn't find a matching query for the given context");
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}
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query.cancel();
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if (!this.interruptLevel) {
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try {
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let db = lazy.PlacesUtils.promiseLargeCacheDBConnection();
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db.interrupt();
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} catch (ex) {}
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}
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this.queries.delete(queryContext);
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}
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/**
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* A provider can use this util when it needs to run a SQL query that can't
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* be interrupted. Otherwise, when a query is canceled any running SQL query
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* is interrupted abruptly.
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* @param {function} taskFn a Task to execute in the critical section.
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*/
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async runInCriticalSection(taskFn) {
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this.interruptLevel++;
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try {
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await taskFn();
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} finally {
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this.interruptLevel--;
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}
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}
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/**
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* Notifies all providers when the user starts and ends an engagement with the
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* urlbar. For details on parameters, see UrlbarProvider.onEngagement().
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*
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* @param {boolean} isPrivate
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* True if the engagement is in a private context.
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* @param {string} state
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* The state of the engagement, one of: start, engagement, abandonment,
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* discard
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* @param {UrlbarQueryContext} queryContext
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* The engagement's query context, if available.
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* @param {object} details
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* An object that describes the search string and the picked result, if any.
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*/
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notifyEngagementChange(isPrivate, state, queryContext, details) {
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for (let provider of this.providers) {
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provider.tryMethod(
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"onEngagement",
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isPrivate,
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state,
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queryContext,
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details
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);
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}
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}
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}
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var UrlbarProvidersManager = new ProvidersManager();
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/**
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* Tracks a query status.
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* Multiple queries can potentially be executed at the same time by different
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* controllers. Each query has to track its own status and delays separately,
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* to avoid conflicting with other ones.
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*/
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class Query {
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/**
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* Initializes the query object.
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* @param {object} queryContext
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* The query context
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* @param {object} controller
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* The controller to be notified
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* @param {object} muxer
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* The muxer to sort results
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* @param {Array} providers
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* Array of all the providers.
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*/
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constructor(queryContext, controller, muxer, providers) {
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this.context = queryContext;
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this.context.results = [];
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// Clear any state in the context object, since it could be reused by the
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// caller and we don't want to port previous query state over.
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this.context.pendingHeuristicProviders.clear();
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this.context.deferUserSelectionProviders.clear();
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this.muxer = muxer;
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this.controller = controller;
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this.providers = providers;
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this.started = false;
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this.canceled = false;
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// This is used as a last safety filter in add(), thus we keep an unmodified
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// copy of it.
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this.acceptableSources = queryContext.sources.slice();
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}
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/**
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* Starts querying.
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*/
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async start() {
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if (this.started) {
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throw new Error("This Query has been started already");
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}
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this.started = true;
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// Check which providers should be queried by calling isActive on them.
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let activeProviders = [];
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let activePromises = [];
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let maxPriority = -1;
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for (let provider of this.providers) {
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// This can be used by the provider to check the query is still running
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// after executing async tasks:
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// let instance = this.queryInstance;
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// await ...
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// if (instance != this.queryInstance) {
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// // Query was canceled or a new one started.
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// return;
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// }
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provider.queryInstance = this;
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activePromises.push(
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// Not all isActive implementations are async, so wrap the call in a
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// promise so we can be sure we can call `then` on it. Note that
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// Promise.resolve returns its arg directly if it's already a promise.
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Promise.resolve(provider.tryMethod("isActive", this.context))
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.then(isActive => {
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if (isActive && !this.canceled) {
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let priority = provider.tryMethod("getPriority", this.context);
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if (priority >= maxPriority) {
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// The provider's priority is at least as high as the max.
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if (priority > maxPriority) {
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// The provider's priority is higher than the max. Remove all
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// previously added providers, since their priority is
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// necessarily lower, by setting length to zero.
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activeProviders.length = 0;
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maxPriority = priority;
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}
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activeProviders.push(provider);
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if (provider.deferUserSelection) {
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this.context.deferUserSelectionProviders.add(provider.name);
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}
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}
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}
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})
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.catch(ex => lazy.logger.error(ex))
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);
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}
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// We have to wait for all isActive calls to finish because we want to query
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// only the highest priority active providers as determined by the priority
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// logic above.
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await Promise.all(activePromises);
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if (this.canceled) {
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this.controller = null;
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return;
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}
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// Start querying active providers.
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let startQuery = async provider => {
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provider.logger.info(`Starting query for "${this.context.searchString}"`);
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let addedResult = false;
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await provider.tryMethod("startQuery", this.context, (...args) => {
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addedResult = true;
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this.add(...args);
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});
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if (!addedResult) {
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this.context.deferUserSelectionProviders.delete(provider.name);
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}
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};
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let queryPromises = [];
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for (let provider of activeProviders) {
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if (provider.type == lazy.UrlbarUtils.PROVIDER_TYPE.HEURISTIC) {
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this.context.pendingHeuristicProviders.add(provider.name);
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queryPromises.push(startQuery(provider));
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continue;
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}
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if (!this._sleepTimer) {
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// Tracks the delay timer. We will fire (in this specific case, cancel
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// would do the same, since the callback is empty) the timer when the
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// search is canceled, unblocking start().
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this._sleepTimer = new lazy.SkippableTimer({
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name: "Query provider timer",
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time: lazy.UrlbarPrefs.get("delay"),
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logger: provider.logger,
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});
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}
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queryPromises.push(
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this._sleepTimer.promise.then(() =>
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this.canceled ? undefined : startQuery(provider)
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)
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);
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}
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lazy.logger.info(`Queried ${queryPromises.length} providers`);
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await Promise.all(queryPromises);
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// All the providers are done returning results, so we can stop chunking.
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if (!this.canceled) {
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if (this._heuristicProviderTimer) {
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await this._heuristicProviderTimer.fire();
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}
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if (this._chunkTimer) {
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await this._chunkTimer.fire();
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}
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}
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// Break cycles with the controller to avoid leaks.
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this.controller = null;
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}
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/**
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* Cancels this query.
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* @note Invoking cancel multiple times is a no-op.
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*/
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cancel() {
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if (this.canceled) {
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return;
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}
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this.canceled = true;
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this.context.deferUserSelectionProviders.clear();
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for (let provider of this.providers) {
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provider.logger.info(
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`Canceling query for "${this.context.searchString}"`
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);
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// Mark the instance as no more valid, see start() for details.
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provider.queryInstance = null;
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provider.tryMethod("cancelQuery", this.context);
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}
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if (this._heuristicProviderTimer) {
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this._heuristicProviderTimer.cancel().catch(ex => lazy.logger.error(ex));
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}
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if (this._chunkTimer) {
|
|
this._chunkTimer.cancel().catch(ex => lazy.logger.error(ex));
|
|
}
|
|
if (this._sleepTimer) {
|
|
this._sleepTimer.fire().catch(ex => lazy.logger.error(ex));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a result returned from a provider to the results set.
|
|
* @param {object} provider
|
|
* @param {object} result
|
|
*/
|
|
add(provider, result) {
|
|
if (!(provider instanceof lazy.UrlbarProvider)) {
|
|
throw new Error("Invalid provider passed to the add callback");
|
|
}
|
|
|
|
// When this set is empty, we can display heuristic results early. We remove
|
|
// the provider from the list without checking result.heuristic since
|
|
// heuristic providers don't necessarily have to return heuristic results.
|
|
// We expect a provider with type HEURISTIC will return its heuristic
|
|
// result(s) first.
|
|
this.context.pendingHeuristicProviders.delete(provider.name);
|
|
|
|
// Stop returning results as soon as we've been canceled.
|
|
if (this.canceled) {
|
|
return;
|
|
}
|
|
|
|
// In search mode, don't allow heuristic results in the following cases
|
|
// since they don't make sense:
|
|
// * When the search string is empty, or
|
|
// * In local search mode, except for autofill results
|
|
if (
|
|
result.heuristic &&
|
|
this.context.searchMode &&
|
|
(!this.context.trimmedSearchString ||
|
|
(!this.context.searchMode.engineName && !result.autofill))
|
|
) {
|
|
return;
|
|
}
|
|
|
|
// Check if the result source should be filtered out. Pay attention to the
|
|
// heuristic result though, that is supposed to be added regardless.
|
|
if (
|
|
!this.acceptableSources.includes(result.source) &&
|
|
!result.heuristic &&
|
|
// Treat form history as searches for the purpose of acceptableSources.
|
|
(result.type != lazy.UrlbarUtils.RESULT_TYPE.SEARCH ||
|
|
result.source != lazy.UrlbarUtils.RESULT_SOURCE.HISTORY ||
|
|
!this.acceptableSources.includes(lazy.UrlbarUtils.RESULT_SOURCE.SEARCH))
|
|
) {
|
|
return;
|
|
}
|
|
|
|
// Filter out javascript results for safety. The provider is supposed to do
|
|
// it, but we don't want to risk leaking these out.
|
|
if (
|
|
result.type != lazy.UrlbarUtils.RESULT_TYPE.KEYWORD &&
|
|
result.payload.url &&
|
|
result.payload.url.startsWith("javascript:") &&
|
|
!this.context.searchString.startsWith("javascript:") &&
|
|
lazy.UrlbarPrefs.get("filter.javascript")
|
|
) {
|
|
return;
|
|
}
|
|
|
|
result.providerName = provider.name;
|
|
result.providerType = provider.type;
|
|
this.context.results.push(result);
|
|
|
|
this._notifyResultsFromProvider(provider);
|
|
}
|
|
|
|
_notifyResultsFromProvider(provider) {
|
|
// We create two chunking timers: one for heuristic results, and one for
|
|
// other results. We expect heuristic providers to return their heuristic
|
|
// results before other results/providers in most cases. When all heuristic
|
|
// providers have returned some results, we fire the heuristic timer early.
|
|
// If the timer fires first, we stop waiting on the remaining heuristic
|
|
// providers.
|
|
// Both timers are used to reduce UI flicker.
|
|
if (provider.type == lazy.UrlbarUtils.PROVIDER_TYPE.HEURISTIC) {
|
|
if (!this._heuristicProviderTimer) {
|
|
this._heuristicProviderTimer = new lazy.SkippableTimer({
|
|
name: "Heuristic provider timer",
|
|
callback: () => this._notifyResults(),
|
|
time: CHUNK_RESULTS_DELAY_MS,
|
|
logger: provider.logger,
|
|
});
|
|
}
|
|
} else if (!this._chunkTimer) {
|
|
this._chunkTimer = new lazy.SkippableTimer({
|
|
name: "Query chunk timer",
|
|
callback: () => this._notifyResults(),
|
|
time: CHUNK_RESULTS_DELAY_MS,
|
|
logger: provider.logger,
|
|
});
|
|
}
|
|
// If all active heuristic providers have returned results, we can skip the
|
|
// heuristic results timer and start showing results immediately.
|
|
if (
|
|
this._heuristicProviderTimer &&
|
|
!this.context.pendingHeuristicProviders.size
|
|
) {
|
|
this._heuristicProviderTimer.fire().catch(ex => lazy.logger.error(ex));
|
|
}
|
|
}
|
|
|
|
_notifyResults() {
|
|
this.muxer.sort(this.context);
|
|
|
|
if (this._heuristicProviderTimer) {
|
|
this._heuristicProviderTimer.cancel().catch(ex => lazy.logger.error(ex));
|
|
this._heuristicProviderTimer = null;
|
|
}
|
|
|
|
if (this._chunkTimer) {
|
|
this._chunkTimer.cancel().catch(ex => lazy.logger.error(ex));
|
|
this._chunkTimer = null;
|
|
}
|
|
|
|
// Before the muxer.sort call above, this.context.results should never be
|
|
// empty since this method is called when results are added. But the muxer
|
|
// may have excluded one or more results from the final sorted list. For
|
|
// example, it excludes the "Search in a Private Window" result if it's the
|
|
// only result that's been added so far. We don't want to notify consumers
|
|
// if there are no results since they generally expect at least one result
|
|
// when notified, so bail, but only after nulling out the chunk timer above
|
|
// so that it will be restarted the next time results are added.
|
|
if (!this.context.results.length) {
|
|
return;
|
|
}
|
|
|
|
this.context.firstResultChanged = !lazy.ObjectUtils.deepEqual(
|
|
this.context.firstResult,
|
|
this.context.results[0]
|
|
);
|
|
this.context.firstResult = this.context.results[0];
|
|
|
|
if (this.controller) {
|
|
this.controller.receiveResults(this.context);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates in place the sources for a given UrlbarQueryContext.
|
|
* @param {UrlbarQueryContext} context The query context to examine
|
|
* @returns {object} The restriction token that was used to set sources, or
|
|
* undefined if there's no restriction token.
|
|
*/
|
|
function updateSourcesIfEmpty(context) {
|
|
if (context.sources && context.sources.length) {
|
|
return false;
|
|
}
|
|
let acceptedSources = [];
|
|
// There can be only one restrict token per query.
|
|
let restrictToken = context.tokens.find(t =>
|
|
[
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_HISTORY,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_BOOKMARK,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_TAG,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_OPENPAGE,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_SEARCH,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_TITLE,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_URL,
|
|
lazy.UrlbarTokenizer.TYPE.RESTRICT_ACTION,
|
|
].includes(t.type)
|
|
);
|
|
|
|
// RESTRICT_TITLE and RESTRICT_URL do not affect query sources.
|
|
let restrictTokenType =
|
|
restrictToken &&
|
|
restrictToken.type != lazy.UrlbarTokenizer.TYPE.RESTRICT_TITLE &&
|
|
restrictToken.type != lazy.UrlbarTokenizer.TYPE.RESTRICT_URL
|
|
? restrictToken.type
|
|
: undefined;
|
|
|
|
for (let source of Object.values(lazy.UrlbarUtils.RESULT_SOURCE)) {
|
|
// Skip sources that the context doesn't care about.
|
|
if (context.sources && !context.sources.includes(source)) {
|
|
continue;
|
|
}
|
|
// Check prefs and restriction tokens.
|
|
switch (source) {
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.BOOKMARKS:
|
|
if (
|
|
restrictTokenType === lazy.UrlbarTokenizer.TYPE.RESTRICT_BOOKMARK ||
|
|
restrictTokenType === lazy.UrlbarTokenizer.TYPE.RESTRICT_TAG ||
|
|
(!restrictTokenType && lazy.UrlbarPrefs.get("suggest.bookmark"))
|
|
) {
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.HISTORY:
|
|
if (
|
|
restrictTokenType === lazy.UrlbarTokenizer.TYPE.RESTRICT_HISTORY ||
|
|
(!restrictTokenType && lazy.UrlbarPrefs.get("suggest.history"))
|
|
) {
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.SEARCH:
|
|
if (
|
|
restrictTokenType === lazy.UrlbarTokenizer.TYPE.RESTRICT_SEARCH ||
|
|
!restrictTokenType
|
|
) {
|
|
// We didn't check browser.urlbar.suggest.searches here, because it
|
|
// just controls search suggestions. If a search suggestion arrives
|
|
// here, we lost already, because we broke user's privacy by hitting
|
|
// the network. Thus, it's better to leave things go through and
|
|
// notice the bug, rather than hiding it with a filter.
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.TABS:
|
|
if (
|
|
restrictTokenType === lazy.UrlbarTokenizer.TYPE.RESTRICT_OPENPAGE ||
|
|
(!restrictTokenType && lazy.UrlbarPrefs.get("suggest.openpage"))
|
|
) {
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.OTHER_NETWORK:
|
|
if (!context.isPrivate && !restrictTokenType) {
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
case lazy.UrlbarUtils.RESULT_SOURCE.OTHER_LOCAL:
|
|
default:
|
|
if (!restrictTokenType) {
|
|
acceptedSources.push(source);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
context.sources = acceptedSources;
|
|
return restrictToken;
|
|
}
|