зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.9 KiB
JavaScript
104 строки
2.9 KiB
JavaScript
/* global XPCOMUtils, ContentSearch, Task, Services, EventEmitter */
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/* exported NewTabSearchProvider */
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"use strict";
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this.EXPORTED_SYMBOLS = ["NewTabSearchProvider"];
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const {utils: Cu, interfaces: Ci} = Components;
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const CURRENT_ENGINE = "browser-search-engine-modified";
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Task.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "ContentSearch",
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"resource:///modules/ContentSearch.jsm");
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XPCOMUtils.defineLazyGetter(this, "EventEmitter", function() {
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const {EventEmitter} = Cu.import("resource://devtools/shared/event-emitter.js", {});
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return EventEmitter;
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});
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function SearchProvider() {
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EventEmitter.decorate(this);
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}
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SearchProvider.prototype = {
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observe(subject, topic, data) { // jshint unused:false
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// all other topics are not relevant to content searches and can be
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// ignored by NewTabSearchProvider
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if (data === "engine-current" && topic === CURRENT_ENGINE) {
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Task.spawn(function* () {
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try {
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let state = yield ContentSearch.currentStateObj(true);
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let engine = state.currentEngine;
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this.emit(CURRENT_ENGINE, engine);
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} catch (e) {
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Cu.reportError(e);
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}
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}.bind(this));
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}
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},
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init() {
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try {
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Services.obs.addObserver(this, CURRENT_ENGINE, true);
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} catch (e) {
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Cu.reportError(e);
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}
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},
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
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Ci.nsISupportsWeakReference
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]),
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uninit() {
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try {
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Services.obs.removeObserver(this, CURRENT_ENGINE);
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} catch (e) {
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Cu.reportError(e);
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}
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},
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get searchSuggestionUIStrings() {
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return ContentSearch.searchSuggestionUIStrings;
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},
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removeFormHistory({browser}, suggestion) {
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ContentSearch.removeFormHistoryEntry({target: browser}, suggestion);
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},
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manageEngines(browser) {
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const browserWin = browser.ownerGlobal;
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browserWin.openPreferences("paneSearch");
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},
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asyncGetState: Task.async(function*() {
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let state = yield ContentSearch.currentStateObj(true);
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return state;
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}),
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asyncPerformSearch: Task.async(function*({browser}, searchData) {
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ContentSearch.performSearch({target: browser}, searchData);
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yield ContentSearch.addFormHistoryEntry({target: browser}, searchData.searchString);
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}),
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asyncCycleEngine: Task.async(function*(engineName) {
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Services.search.currentEngine = Services.search.getEngineByName(engineName);
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let state = yield ContentSearch.currentStateObj(true);
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let newEngine = state.currentEngine;
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this.emit(CURRENT_ENGINE, newEngine);
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}),
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asyncGetSuggestions: Task.async(function*(engineName, searchString, target) {
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let suggestions = ContentSearch.getSuggestions(engineName, searchString, target.browser);
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return suggestions;
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}),
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};
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const NewTabSearchProvider = {
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search: new SearchProvider(),
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};
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