forked from mirrors/gecko-dev
99 lines
3.4 KiB
JavaScript
99 lines
3.4 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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XPCOMUtils.defineLazyModuleGetter(this, "ExtensionPreferencesManager",
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"resource://gre/modules/ExtensionPreferencesManager.jsm");
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const searchInitialized = () => {
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return new Promise(resolve => {
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if (Services.search.isInitialized) {
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resolve();
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}
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const SEARCH_SERVICE_TOPIC = "browser-search-service";
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Services.obs.addObserver(function observer(subject, topic, data) {
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if (data != "init-complete") {
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return;
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}
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Services.obs.removeObserver(observer, SEARCH_SERVICE_TOPIC);
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resolve();
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}, SEARCH_SERVICE_TOPIC);
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});
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};
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this.chrome_settings_overrides = class extends ExtensionAPI {
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async onManifestEntry(entryName) {
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let {extension} = this;
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let {manifest} = extension;
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if (manifest.chrome_settings_overrides.homepage) {
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ExtensionPreferencesManager.setSetting(extension, "homepage_override",
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manifest.chrome_settings_overrides.homepage);
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}
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if (manifest.chrome_settings_overrides.search_provider) {
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await searchInitialized();
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let searchProvider = manifest.chrome_settings_overrides.search_provider;
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let isCurrent = false;
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let index = -1;
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if (extension.startupReason === "ADDON_UPGRADE") {
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let engines = Services.search.getEnginesByExtensionID(extension.id);
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if (engines.length > 0) {
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// There can be only one engine right now
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isCurrent = Services.search.currentEngine == engines[0];
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// Get position of engine and store it
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index = Services.search.getEngines().indexOf(engines[0]);
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Services.search.removeEngine(engines[0]);
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}
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}
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try {
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Services.search.addEngineWithDetails(searchProvider.name.trim(),
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searchProvider.favicon_url,
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searchProvider.keyword, null,
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"GET", searchProvider.search_url,
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extension.id);
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if (extension.startupReason === "ADDON_UPGRADE") {
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let engine = Services.search.getEngineByName(searchProvider.name.trim());
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if (isCurrent) {
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Services.search.currentEngine = engine;
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}
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if (index != -1) {
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Services.search.moveEngine(engine, index);
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}
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}
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} catch (e) {
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Components.utils.reportError(e);
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}
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}
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}
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async onShutdown(reason) {
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let {extension} = this;
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if (reason == "ADDON_DISABLE" ||
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reason == "ADDON_UNINSTALL") {
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if (extension.manifest.chrome_settings_overrides.search_provider) {
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await searchInitialized();
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let engines = Services.search.getEnginesByExtensionID(extension.id);
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for (let engine of engines) {
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try {
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Services.search.removeEngine(engine);
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} catch (e) {
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Components.utils.reportError(e);
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}
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}
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}
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}
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}
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};
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ExtensionPreferencesManager.addSetting("homepage_override", {
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prefNames: [
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"browser.startup.homepage",
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],
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setCallback(value) {
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return {
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"browser.startup.homepage": value,
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};
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},
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});
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