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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 returning the user's recent searches.
*/
import {
UrlbarProvider,
UrlbarUtils,
} from "resource:///modules/UrlbarUtils.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
FormHistory: "resource://gre/modules/FormHistory.sys.mjs",
SearchUtils: "resource://gre/modules/SearchUtils.sys.mjs",
UrlbarPrefs: "resource:///modules/UrlbarPrefs.sys.mjs",
UrlbarResult: "resource:///modules/UrlbarResult.sys.mjs",
UrlbarSearchUtils: "resource:///modules/UrlbarSearchUtils.sys.mjs",
});
// These prefs are relative to the `browser.urlbar` branch.
const ENABLED_PREF = "recentsearches.featureGate";
const SUGGEST_PREF = "suggest.recentsearches";
const EXPIRATION_PREF = "recentsearches.expirationMs";
const LASTDEFAULTCHANGED_PREF = "recentsearches.lastDefaultChanged";
/**
* A provider that returns the Recent Searches performed by the user.
*/
class ProviderRecentSearches extends UrlbarProvider {
constructor(...args) {
super(...args);
Services.obs.addObserver(this, lazy.SearchUtils.TOPIC_ENGINE_MODIFIED);
}
get name() {
return "RecentSearches";
}
get type() {
return UrlbarUtils.PROVIDER_TYPE.PROFILE;
}
isActive(queryContext) {
return (
lazy.UrlbarPrefs.get(ENABLED_PREF) &&
lazy.UrlbarPrefs.get(SUGGEST_PREF) &&
!queryContext.restrictSource &&
!queryContext.searchString &&
!queryContext.searchMode
);
}
/**
* We use the same priority as `UrlbarProviderTopSites` as these are both
* shown on an empty urlbar query.
*
* @returns {number} The provider's priority for the given query.
*/
getPriority() {
return 1;
}
onEngagement(state, queryContext, details, controller) {
let { result } = details;
if (result?.providerName != this.name) {
return;
}
let engine = lazy.UrlbarSearchUtils.getDefaultEngine(
queryContext.isPrivate
);
if (details.selType == "dismiss" && queryContext.formHistoryName) {
lazy.FormHistory.update({
op: "remove",
fieldname: "searchbar-history",
value: result.payload.suggestion,
source: engine.name,
}).catch(error =>
console.error(`Removing form history failed: ${error}`)
);
controller.removeResult(result);
}
}
async startQuery(queryContext, addCallback) {
let engine = lazy.UrlbarSearchUtils.getDefaultEngine(
queryContext.isPrivate
);
let results = await lazy.FormHistory.search(["value", "lastUsed"], {
fieldname: "searchbar-history",
source: engine.name,
});
let expiration = parseInt(lazy.UrlbarPrefs.get(EXPIRATION_PREF), 10);
let lastDefaultChanged = parseInt(
lazy.UrlbarPrefs.get(LASTDEFAULTCHANGED_PREF),
10
);
let now = Date.now();
// We only want to show searches since the last engine change, if we
// havent changed the engine we expire the display of the searches
// after a period of time.
if (lastDefaultChanged != -1) {
expiration = Math.min(expiration, now - lastDefaultChanged);
}
results = results.filter(
result => now - Math.floor(result.lastUsed / 1000) < expiration
);
results.sort((a, b) => b.lastUsed - a.lastUsed);
if (results.length > lazy.UrlbarPrefs.get("recentsearches.maxResults")) {
results.length = lazy.UrlbarPrefs.get("recentsearches.maxResults");
}
for (let result of results) {
let res = new lazy.UrlbarResult(
UrlbarUtils.RESULT_TYPE.SEARCH,
UrlbarUtils.RESULT_SOURCE.HISTORY,
{
engine: engine.name,
suggestion: result.value,
isBlockable: true,
blockL10n: { id: "urlbar-result-menu-remove-from-history" },
helpUrl:
Services.urlFormatter.formatURLPref("app.support.baseURL") +
"awesome-bar-result-menu",
}
);
addCallback(this, res);
}
}
observe(subject, topic, data) {
switch (data) {
case lazy.SearchUtils.MODIFIED_TYPE.DEFAULT:
lazy.UrlbarPrefs.set(LASTDEFAULTCHANGED_PREF, Date.now().toString());
break;
}
}
}
export var UrlbarProviderRecentSearches = new ProviderRecentSearches();
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