gecko-dev/browser/metro/components/BrowserStartup.js

122 строки
5.2 KiB
JavaScript

/* 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/. */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
"resource://gre/modules/PlacesUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
"resource://gre/modules/NetUtil.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Task",
"resource://gre/modules/Task.jsm");
// Custom factory object to ensure that we're a singleton
const BrowserStartupServiceFactory = {
_instance: null,
createInstance: function (outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return this._instance || (this._instance = new BrowserStartup());
}
};
function BrowserStartup() {
this._init();
}
BrowserStartup.prototype = {
// for XPCOM
classID: Components.ID("{1d542abc-c88b-4636-a4ef-075b49806317}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
_xpcom_factory: BrowserStartupServiceFactory,
_init: function() {
Services.obs.addObserver(this, "places-init-complete", false);
Services.obs.addObserver(this, "final-ui-startup", false);
},
_initDefaultBookmarks: function() {
// We must instantiate the history service since it will tell us if we
// need to import or restore bookmarks due to first-run, corruption or
// forced migration (due to a major schema change).
let histsvc = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
// If the database is corrupt or has been newly created we should
// import bookmarks.
let databaseStatus = histsvc.databaseStatus;
let importBookmarks = databaseStatus == histsvc.DATABASE_STATUS_CREATE ||
databaseStatus == histsvc.DATABASE_STATUS_CORRUPT;
if (!importBookmarks) {
// Check to see whether "mobile" root already exists. This is to handle
// existing profiles created with pre-1.0 builds (which won't have mobile
// bookmarks root). We can remove this eventually when we stop
// caring about users migrating to current builds with pre-1.0 profiles.
let annos = Cc["@mozilla.org/browser/annotation-service;1"].
getService(Ci.nsIAnnotationService);
let metroRootItems = annos.getItemsWithAnnotation("metro/bookmarksRoot", {});
if (metroRootItems.length > 0)
return; // no need to do initial import
}
Cu.import("resource://gre/modules/BookmarkJSONUtils.jsm");
Task.spawn(function() {
yield BookmarkJSONUtils.importFromURL("chrome://browser/locale/bookmarks.json", false);
// Create the new smart bookmark.
const MAX_RESULTS = 10;
const SMART_BOOKMARKS_ANNO = "Places/SmartBookmark";
// Place the Metro folder at the end of the smart bookmarks list.
let maxIndex = Math.max.apply(null,
PlacesUtils.annotations.getItemsWithAnnotation(SMART_BOOKMARKS_ANNO).map(id => {
return PlacesUtils.bookmarks.getItemIndex(id);
}));
let smartBookmarkId =
PlacesUtils.bookmarks.insertBookmark(PlacesUtils.bookmarksMenuFolderId,
NetUtil.newURI("place:folder=" +
PlacesUtils.annotations.getItemsWithAnnotation('metro/bookmarksRoot', {})[0] +
"&queryType=" +
Ci.nsINavHistoryQueryOptions.QUERY_TYPE_BOOKMARKS +
"&sort=" +
Ci.nsINavHistoryQueryOptions.SORT_BY_DATEADDED_DESCENDING +
"&maxResults=" + MAX_RESULTS +
"&excludeQueries=1"),
maxIndex + 1,
PlacesUtils.getString("windows8TouchTitle"));
PlacesUtils.annotations.setItemAnnotation(smartBookmarkId,
SMART_BOOKMARKS_ANNO,
"Windows8Touch", 0,
PlacesUtils.annotations.EXPIRE_NEVER);
});
},
_startupActions: function() {
},
// nsIObserver
observe: function(aSubject, aTopic, aData) {
switch (aTopic) {
case "places-init-complete":
Services.obs.removeObserver(this, "places-init-complete");
this._initDefaultBookmarks();
break;
case "final-ui-startup":
Services.obs.removeObserver(this, "final-ui-startup");
this._startupActions();
break;
}
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([BrowserStartup]);