gecko/mobile/xul/components/BrowserStartup.js
2012-05-21 12:12:37 +01:00

132 lines
4.9 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");
const ADDONS_NOTIFICATION_NAME = "addons";
// 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 mobileRootItems = annos.getItemsWithAnnotation("mobile/bookmarksRoot", {});
if (mobileRootItems.length > 0)
return; // no need to do initial import
}
Cu.import("resource://gre/modules/PlacesUtils.jsm");
try {
let observer = {
onStreamComplete : function(aLoader, aContext, aStatus, aLength, aResult) {
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].
createInstance(Ci.nsIScriptableUnicodeConverter);
let jsonStr = "";
try {
converter.charset = "UTF-8";
jsonStr = converter.convertFromByteArray(aResult, aResult.length);
// aReplace=false since this may be called when there are existing
// bookmarks that we don't want to overwrite ("no mobile root"
// case from above)
PlacesUtils.restoreBookmarksFromJSONString(jsonStr, false);
} catch (err) {
Cu.reportError("Failed to parse default bookmarks from bookmarks.json: " + err);
}
}
};
let ioSvc = Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService);
let uri = ioSvc.newURI("chrome://browser/locale/bookmarks.json", null, null);
let channel = ioSvc.newChannelFromURI(uri);
let sl = Cc["@mozilla.org/network/stream-loader;1"].
createInstance(Ci.nsIStreamLoader);
sl.init(observer);
channel.asyncOpen(sl, channel);
} catch (err) {
// Report the error, but ignore it.
Cu.reportError("Failed to load default bookmarks from bookmarks.json: " + err);
}
},
_startupActions: function() {
#ifdef ANDROID
// Hide the notification if we had any pending operations
try {
if (Services.prefs.getBoolPref("browser.notifications.pending.addons")) {
Services.prefs.clearUserPref("browser.notifications.pending.addons")
let alertsService = Cc["@mozilla.org/alerts-service;1"].getService(Ci.nsIAlertsService);
let progressListener = alertsService.QueryInterface(Ci.nsIAlertsProgressListener);
if (progressListener)
progressListener.onCancel(ADDONS_NOTIFICATION_NAME);
}
} catch (e) {}
#endif
},
// 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;
}
}
};
const NSGetFactory = XPCOMUtils.generateNSGetFactory([BrowserStartup]);