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