pjs/browser/components/nsBrowserGlue.js

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JavaScript

# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Browser Search Service.
#
# The Initial Developer of the Original Code is
# Giorgio Maone
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Giorgio Maone <g.maone@informaction.com>
# Seth Spitzer <sspitzer@mozilla.com>
# Asaf Romano <mano@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
const Ci = Components.interfaces;
const Cc = Components.classes;
const Cr = Components.results;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource:///modules/distribution.js");
// Factory object
const BrowserGlueServiceFactory = {
_instance: null,
createInstance: function (outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return this._instance == null ?
this._instance = new BrowserGlue() : this._instance;
}
};
// Constructor
function BrowserGlue() {
this._init();
this._profileStarted = false;
}
BrowserGlue.prototype = {
_saveSession: false,
// nsIObserver implementation
observe: function(subject, topic, data)
{
switch(topic) {
case "xpcom-shutdown":
this._dispose();
break;
case "profile-before-change":
this._onProfileChange();
break;
case "profile-change-teardown":
this._onProfileShutdown();
break;
case "prefservice:after-app-defaults":
this._onAppDefaults();
break;
case "final-ui-startup":
this._onProfileStartup();
break;
case "browser:purge-session-history":
// reset the console service's error buffer
const cs = Cc["@mozilla.org/consoleservice;1"].
getService(Ci.nsIConsoleService);
cs.logStringMessage(null); // clear the console (in case it's open)
cs.reset();
break;
case "quit-application-requested":
this._onQuitRequest(subject, data);
break;
case "quit-application-granted":
if (this._saveSession) {
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
prefBranch.setBoolPref("browser.sessionstore.resume_session_once", true);
}
break;
}
}
,
// initialization (called on application startup)
_init: function()
{
// observer registration
const osvr = Cc['@mozilla.org/observer-service;1'].
getService(Ci.nsIObserverService);
osvr.addObserver(this, "profile-before-change", false);
osvr.addObserver(this, "profile-change-teardown", false);
osvr.addObserver(this, "xpcom-shutdown", false);
osvr.addObserver(this, "prefservice:after-app-defaults", false);
osvr.addObserver(this, "final-ui-startup", false);
osvr.addObserver(this, "browser:purge-session-history", false);
osvr.addObserver(this, "quit-application-requested", false);
osvr.addObserver(this, "quit-application-granted", false);
},
// cleanup (called on application shutdown)
_dispose: function()
{
// observer removal
const osvr = Cc['@mozilla.org/observer-service;1'].
getService(Ci.nsIObserverService);
osvr.removeObserver(this, "profile-before-change");
osvr.removeObserver(this, "profile-change-teardown");
osvr.removeObserver(this, "xpcom-shutdown");
osvr.removeObserver(this, "prefservice:after-app-defaults");
osvr.removeObserver(this, "final-ui-startup");
osvr.removeObserver(this, "browser:purge-session-history");
osvr.removeObserver(this, "quit-application-requested");
osvr.removeObserver(this, "quit-application-granted");
},
_onAppDefaults: function()
{
// apply distribution customizations (prefs)
// other customizations are applied in _onProfileStartup()
var distro = new DistributionCustomizer();
distro.applyPrefDefaults();
},
// profile startup handler (contains profile initialization routines)
_onProfileStartup: function()
{
// check to see if the EULA must be shown on startup
try {
var mustDisplayEULA = true;
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var EULAVersion = prefBranch.getIntPref("browser.EULA.version");
mustDisplayEULA = !prefBranch.getBoolPref("browser.EULA." + EULAVersion + ".accepted");
} catch(ex) {
}
if (mustDisplayEULA) {
var ww2 = Cc["@mozilla.org/embedcomp/window-watcher;1"].
getService(Ci.nsIWindowWatcher);
ww2.openWindow(null, "chrome://browser/content/EULA.xul",
"_blank", "chrome,centerscreen,modal,resizable=yes", null);
}
this.Sanitizer.onStartup();
// check if we're in safe mode
var app = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULAppInfo).
QueryInterface(Ci.nsIXULRuntime);
if (app.inSafeMode) {
var ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].
getService(Ci.nsIWindowWatcher);
ww.openWindow(null, "chrome://browser/content/safeMode.xul",
"_blank", "chrome,centerscreen,modal,resizable=no", null);
}
// initialize Places
this._initPlaces();
// apply distribution customizations
// prefs are applied in _onAppDefaults()
var distro = new DistributionCustomizer();
distro.applyCustomizations();
// handle any UI migration
this._migrateUI();
// indicate that the profile was initialized
this._profileStarted = true;
},
_onProfileChange: function()
{
// this block is for code that depends on _onProfileStartup() having
// been called.
if (this._profileStarted) {
// final places cleanup
this._shutdownPlaces();
}
},
// profile shutdown handler (contains profile cleanup routines)
_onProfileShutdown: function()
{
// here we enter last survival area, in order to avoid multiple
// "quit-application" notifications caused by late window closings
const appStartup = Cc['@mozilla.org/toolkit/app-startup;1'].
getService(Ci.nsIAppStartup);
try {
appStartup.enterLastWindowClosingSurvivalArea();
this.Sanitizer.onShutdown();
} catch(ex) {
} finally {
appStartup.exitLastWindowClosingSurvivalArea();
}
},
_onQuitRequest: function(aCancelQuit, aQuitType)
{
// If user has already dismissed quit request, then do nothing
if ((aCancelQuit instanceof Ci.nsISupportsPRBool) && aCancelQuit.data)
return;
var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
getService(Ci.nsIWindowMediator);
var windowcount = 0;
var pagecount = 0;
var browserEnum = wm.getEnumerator("navigator:browser");
while (browserEnum.hasMoreElements()) {
windowcount++;
var browser = browserEnum.getNext();
var tabbrowser = browser.document.getElementById("content");
if (tabbrowser)
pagecount += tabbrowser.browsers.length;
}
this._saveSession = false;
if (pagecount < 2)
return;
if (aQuitType != "restart")
aQuitType = "quit";
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var showPrompt = true;
try {
if (prefBranch.getIntPref("browser.startup.page") == 3 ||
prefBranch.getBoolPref("browser.sessionstore.resume_session_once"))
showPrompt = false;
else
showPrompt = prefBranch.getBoolPref("browser.warnOnQuit");
} catch (ex) {}
var buttonChoice = 0;
if (showPrompt) {
var bundleService = Cc["@mozilla.org/intl/stringbundle;1"].
getService(Ci.nsIStringBundleService);
var quitBundle = bundleService.createBundle("chrome://browser/locale/quitDialog.properties");
var brandBundle = bundleService.createBundle("chrome://branding/locale/brand.properties");
var appName = brandBundle.GetStringFromName("brandShortName");
var quitDialogTitle = quitBundle.formatStringFromName(aQuitType + "DialogTitle",
[appName], 1);
var message;
if (aQuitType == "restart")
message = quitBundle.formatStringFromName("messageRestart",
[appName], 1);
else if (windowcount == 1)
message = quitBundle.formatStringFromName("messageNoWindows",
[appName], 1);
else
message = quitBundle.formatStringFromName("message",
[appName], 1);
var promptService = Cc["@mozilla.org/embedcomp/prompt-service;1"].
getService(Ci.nsIPromptService);
var flags = promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_0 +
promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_1 +
promptService.BUTTON_POS_0_DEFAULT;
var neverAsk = {value:false};
var button0Title, button2Title;
var button1Title = quitBundle.GetStringFromName("cancelTitle");
var neverAskText = quitBundle.GetStringFromName("neverAsk");
if (aQuitType == "restart")
button0Title = quitBundle.GetStringFromName("restartTitle");
else {
flags += promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_2;
button0Title = quitBundle.GetStringFromName("saveTitle");
button2Title = quitBundle.GetStringFromName("quitTitle");
}
buttonChoice = promptService.confirmEx(null, quitDialogTitle, message,
flags, button0Title, button1Title, button2Title,
neverAskText, neverAsk);
switch (buttonChoice) {
case 2:
if (neverAsk.value)
prefBranch.setBoolPref("browser.warnOnQuit", false);
break;
case 1:
aCancelQuit.QueryInterface(Ci.nsISupportsPRBool);
aCancelQuit.data = true;
break;
case 0:
this._saveSession = true;
// could also set browser.warnOnQuit to false here,
// but not setting it is a little safer.
if (neverAsk.value)
prefBranch.setIntPref("browser.startup.page", 3);
break;
}
}
},
// returns the (cached) Sanitizer constructor
get Sanitizer()
{
if(typeof(Sanitizer) != "function") { // we should dynamically load the script
Cc["@mozilla.org/moz/jssubscript-loader;1"].
getService(Ci.mozIJSSubScriptLoader).
loadSubScript("chrome://browser/content/sanitize.js", null);
}
return Sanitizer;
},
/**
* Initialize Places
* - imports the bookmarks html file if bookmarks datastore is empty
*/
_initPlaces: function bg__initPlaces() {
// we need to instantiate the history service before we check the
// the browser.places.importBookmarksHTML pref, as
// nsNavHistory::ForceMigrateBookmarksDB() will set that pref
// if we need to force a migration (due to a schema change)
var histsvc = Cc["@mozilla.org/browser/nav-history-service;1"].
getService(Ci.nsINavHistoryService);
var importBookmarks = false;
try {
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
importBookmarks = prefBranch.getBoolPref("browser.places.importBookmarksHTML");
} catch(ex) {}
if (!importBookmarks) {
// Call it here for Fx3 profiles created before the Places folder
// has been added, otherwise it's called during import.
this.ensurePlacesDefaultQueriesInitialized();
return;
}
var dirService = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties);
var bookmarksFile = dirService.get("BMarks", Ci.nsILocalFile);
if (bookmarksFile.exists()) {
// import the file
try {
var importer =
Cc["@mozilla.org/browser/places/import-export-service;1"].
getService(Ci.nsIPlacesImportExportService);
importer.importHTMLFromFile(bookmarksFile, true);
} catch(ex) {
} finally {
prefBranch.setBoolPref("browser.places.importBookmarksHTML", false);
}
// only back up pre-places bookmarks.html if we plan on overwriting it
if (prefBranch.getBoolPref("browser.bookmarks.overwrite")) {
// backup pre-places bookmarks.html
// XXXtodo remove this before betas, after import/export is solid
var profDir = dirService.get("ProfD", Ci.nsILocalFile);
var bookmarksBackup = profDir.clone();
bookmarksBackup.append("bookmarks.preplaces.html");
if (!bookmarksBackup.exists()) {
// save old bookmarks.html file as bookmarks.preplaces.html
try {
bookmarksFile.copyTo(profDir, "bookmarks.preplaces.html");
} catch(ex) {
dump("nsBrowserGlue::_initPlaces(): copy of bookmarks.html to bookmarks.preplaces.html failed: " + ex + "\n");
}
}
}
}
},
/**
* Places shut-down tasks
* - back up and archive bookmarks
*/
_shutdownPlaces: function bg__shutdownPlaces() {
// backup bookmarks to bookmarks.html
var importer =
Cc["@mozilla.org/browser/places/import-export-service;1"].
getService(Ci.nsIPlacesImportExportService);
importer.backupBookmarksFile();
},
_migrateUI: function bg__migrateUI() {
var prefBranch = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
var migration = 0;
try {
migration = prefBranch.getIntPref("browser.migration.version");
} catch(ex) {}
if (migration == 0) {
// this code should always migrate pre-FF3 profiles to the current UI state
// grab the localstore.rdf and make changes needed for new UI
this._rdf = Cc["@mozilla.org/rdf/rdf-service;1"].getService(Ci.nsIRDFService);
var localStore = this._rdf.GetDataSource("rdf:local-store");
// only move the home button if we find it on the nav-bar
var foundHome = false;
var currentSet = this._rdf.GetResource("currentset");
var target = null;
var dirty = false;
// get an nsIRDFResource for the nav-bar item
var navBar = this._rdf.GetResource("chrome://browser/content/browser.xul#nav-bar");
target = this._getPersist(localStore, navBar, currentSet);
if (target) {
foundHome = (target.indexOf("home-button") != -1);
if (foundHome)
target = target.replace("home-button", "");
target = "unified-back-forward-button," + target;
this._setPersist(localStore, navBar, currentSet, target);
dirty = true;
}
// get an nsIRDFResource for the PersonalToolbar item
if (foundHome) {
var personalBar = this._rdf.GetResource("chrome://browser/content/browser.xul#PersonalToolbar");
target = this._getPersist(localStore, personalBar, currentSet);
if (target && target.indexOf("home-button") == -1) {
this._setPersist(localStore, personalBar, currentSet, "home-button," + target);
dirty = true;
}
}
// force the RDF to be saved
if (dirty)
localStore.QueryInterface(Ci.nsIRDFRemoteDataSource).Flush();
// free up the RDF service
this._rdf = null;
// update the migration version
prefBranch.setIntPref("browser.migration.version", 1);
}
},
_getPersist: function bg__getPersist(aDataSource, aSource, aProperty) {
var target = aDataSource.GetTarget(aSource, aProperty, true);
if (target instanceof Ci.nsIRDFLiteral)
return target.Value;
return null;
},
_setPersist: function bg__setPersist(aDataSource, aSource, aProperty, aTarget) {
try {
var oldTarget = aDataSource.GetTarget(aSource, aProperty, true);
if (oldTarget) {
if (aTarget)
aDataSource.Change(aSource, aProperty, oldTarget, this._rdf.GetLiteral(aTarget));
else
aDataSource.Unassert(aSource, aProperty, oldTarget);
}
else {
aDataSource.Assert(aSource, aProperty, this._rdf.GetLiteral(aTarget), true);
}
}
catch(ex) {}
},
// ------------------------------
// public nsIBrowserGlue members
// ------------------------------
sanitize: function(aParentWindow)
{
this.Sanitizer.sanitize(aParentWindow);
},
ensurePlacesDefaultQueriesInitialized: function() {
// bail out if the folder is already created
var prefBranch = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
var createdSmartBookmarks = false;
try {
createdSmartBookmarks = prefBranch.getBoolPref("browser.places.createdSmartBookmarks");
} catch(ex) { }
if (createdSmartBookmarks)
return;
var bmsvc = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].
getService(Ci.nsINavBookmarksService);
// XXXmano bug 405497: this should be batched even if we're not called from
// the import service. However, calling runInBatchedMode from within a
// RunBatched implementation hangs the browser.
var callback = {
_placesBundle: Cc["@mozilla.org/intl/stringbundle;1"].
getService(Ci.nsIStringBundleService).
createBundle("chrome://browser/locale/places/places.properties"),
_uri: function(aSpec) {
return Cc["@mozilla.org/network/io-service;1"].
getService(Ci.nsIIOService).
newURI(aSpec, null, null);
},
runBatched: function() {
var smartBookmarksFolderTitle =
this._placesBundle.GetStringFromName("smartBookmarksFolderTitle");
var mostVisitedTitle =
this._placesBundle.GetStringFromName("mostVisitedTitle");
var recentlyBookmarkedTitle =
this._placesBundle.GetStringFromName("recentlyBookmarkedTitle");
var recentTagsTitle =
this._placesBundle.GetStringFromName("recentTagsTitle");
var bookmarksMenuFolder = bmsvc.bookmarksMenuFolder;
var unfiledBookmarksFolder = bmsvc.unfiledBookmarksFolder;
var toolbarFolder = bmsvc.toolbarFolder;
var tagsFolder = bmsvc.tagsFolder;
var defaultIndex = bmsvc.DEFAULT_INDEX;
// index = 0, make it the first folder
var placesFolder = bmsvc.createFolder(toolbarFolder, smartBookmarksFolderTitle,
0);
// XXX should this be a pref? see bug #399268
var maxResults = 10;
var mostVisitedItem = bmsvc.insertBookmark(placesFolder,
this._uri("place:queryType=" +
Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY +
"&sort=" +
Ci.nsINavHistoryQueryOptions.SORT_BY_VISITCOUNT_DESCENDING +
"&maxResults=" + maxResults),
defaultIndex, mostVisitedTitle);
// excludeQueries=1 so that user created "saved searches"
// and these queries (added automatically) are excluded
var recentlyBookmarkedItem = bmsvc.insertBookmark(placesFolder,
this._uri("place:folder=" + bookmarksMenuFolder +
"&folder=" + unfiledBookmarksFolder +
"&folder=" + toolbarFolder +
"&queryType=" + Ci.nsINavHistoryQueryOptions.QUERY_TYPE_BOOKMARKS +
"&sort=" +
Ci.nsINavHistoryQueryOptions.SORT_BY_DATEADDED_DESCENDING +
"&excludeItemIfParentHasAnnotation=livemark%2FfeedURI" +
"&maxResults=" + maxResults +
"&excludeQueries=1"),
defaultIndex, recentlyBookmarkedTitle);
var sep = bmsvc.insertSeparator(placesFolder, defaultIndex);
var recentTagsItem = bmsvc.insertBookmark(placesFolder,
this._uri("place:folder=" + tagsFolder +
"&group=" + Ci.nsINavHistoryQueryOptions.GROUP_BY_FOLDER +
"&queryType=" + Ci.nsINavHistoryQueryOptions.QUERY_TYPE_BOOKMARKS +
"&applyOptionsToContainers=1" +
"&sort=" +
Ci.nsINavHistoryQueryOptions.SORT_BY_DATEADDED_DESCENDING +
"&maxResults=" + maxResults),
defaultIndex, recentTagsTitle);
}
};
try {
callback.runBatched();
// See XXX note above
// bmsvc.runInBatchMode(callback, null);
}
catch(ex) {
Components.utils.reportError(ex);
}
finally {
prefBranch.setBoolPref("browser.places.createdSmartBookmarks", true);
prefBranch.QueryInterface(Ci.nsIPrefService).savePrefFile(null);
}
},
// for XPCOM
classDescription: "Firefox Browser Glue Service",
classID: Components.ID("{eab9012e-5f74-4cbc-b2b5-a590235513cc}"),
contractID: "@mozilla.org/browser/browserglue;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
Ci.nsISupportsWeakReference,
Ci.nsIBrowserGlue]),
// redefine the default factory for XPCOMUtils
_xpcom_factory: BrowserGlueServiceFactory,
// get this contractID registered for certain categories via XPCOMUtils
_xpcom_categories: [
// make BrowserGlue a startup observer
{ category: "app-startup", service: true }
]
}
//module initialization
function NSGetModule(aCompMgr, aFileSpec) {
return XPCOMUtils.generateModule([BrowserGlue]);
}