forked from mirrors/gecko-dev
5e8fe99296
MozReview-Commit-ID: 5sKtIXjdSmC --HG-- extra : rebase_source : d4a57b71c009c32fab03c890df10f657afdc17bb
70 lines
2.5 KiB
JavaScript
70 lines
2.5 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, "ExtensionSettingsStore",
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"resource://gre/modules/ExtensionSettingsStore.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "aboutNewTabService",
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"@mozilla.org/browser/aboutnewtab-service;1",
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"nsIAboutNewTabService");
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const STORE_TYPE = "url_overrides";
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const NEW_TAB_SETTING_NAME = "newTabURL";
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this.urlOverrides = class extends ExtensionAPI {
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processNewTabSetting(action) {
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let {extension} = this;
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let item = ExtensionSettingsStore[action](extension, STORE_TYPE, NEW_TAB_SETTING_NAME);
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if (item) {
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aboutNewTabService.newTabURL = item.value || item.initialValue;
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}
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}
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async onStartup() {
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let {extension} = this;
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let {manifest} = extension;
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// Record the setting if it exists in the manifest.
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if (manifest.chrome_url_overrides && manifest.chrome_url_overrides.newtab) {
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let url = extension.baseURI.resolve(manifest.chrome_url_overrides.newtab);
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let item = await ExtensionSettingsStore.addSetting(
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extension, STORE_TYPE, NEW_TAB_SETTING_NAME, url,
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() => aboutNewTabService.newTabURL);
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// If the extension was just re-enabled, change the setting to enabled.
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// This is required because addSetting above is used for both add and update.
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if (["ADDON_ENABLE", "ADDON_UPGRADE", "ADDON_DOWNGRADE"]
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.includes(extension.startupReason)) {
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item = ExtensionSettingsStore.enable(extension, STORE_TYPE, NEW_TAB_SETTING_NAME);
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}
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// Set the newTabURL to the current value of the setting.
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if (item) {
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aboutNewTabService.newTabURL = item.value || item.initialValue;
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}
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// If the setting exists for the extension, but is missing from the manifest,
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// remove it.
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} else if (ExtensionSettingsStore.hasSetting(
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extension, STORE_TYPE, NEW_TAB_SETTING_NAME)) {
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this.processNewTabSetting("removeSetting");
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}
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}
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onShutdown(shutdownReason) {
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switch (shutdownReason) {
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case "ADDON_DISABLE":
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case "ADDON_DOWNGRADE":
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case "ADDON_UPGRADE":
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this.processNewTabSetting("disable");
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break;
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case "ADDON_UNINSTALL":
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this.processNewTabSetting("removeSetting");
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break;
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}
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}
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};
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