nsBrowserContentHandler.js
/* 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/. */
Components.utils.importGlobalProperties(["URLSearchParams"]);
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
Components.utils.import("resource://gre/modules/AppConstants.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "LaterRun",
"resource:///modules/LaterRun.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
"resource://gre/modules/PrivateBrowsingUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
"resource:///modules/RecentWindow.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ShellService",
"resource:///modules/ShellService.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "WindowsUIUtils",
"@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils");
const nsISupports = Components.interfaces.nsISupports;
const nsIBrowserDOMWindow = Components.interfaces.nsIBrowserDOMWindow;
const nsIBrowserHandler = Components.interfaces.nsIBrowserHandler;
const nsIBrowserHistory = Components.interfaces.nsIBrowserHistory;
const nsIChannel = Components.interfaces.nsIChannel;
const nsICommandLine = Components.interfaces.nsICommandLine;
const nsICommandLineHandler = Components.interfaces.nsICommandLineHandler;
const nsIContentHandler = Components.interfaces.nsIContentHandler;
const nsIDocShellTreeItem = Components.interfaces.nsIDocShellTreeItem;
const nsIDOMChromeWindow = Components.interfaces.nsIDOMChromeWindow;
const nsIDOMWindow = Components.interfaces.nsIDOMWindow;
const nsIFileURL = Components.interfaces.nsIFileURL;
const nsIInterfaceRequestor = Components.interfaces.nsIInterfaceRequestor;
const nsINetUtil = Components.interfaces.nsINetUtil;
const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString;
const nsISupportsString = Components.interfaces.nsISupportsString;
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
const nsIWebNavigationInfo = Components.interfaces.nsIWebNavigationInfo;
const nsICommandLineValidator = Components.interfaces.nsICommandLineValidator;
const NS_BINDING_ABORTED = Components.results.NS_BINDING_ABORTED;
const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
const NS_ERROR_ABORT = Components.results.NS_ERROR_ABORT;
function shouldLoadURI(aURI) {
if (aURI && !aURI.schemeIs("chrome"))
return true;
dump("*** Preventing external load of chrome: URI into browser window\n");
dump(" Use --chrome <uri> instead\n");
return false;
}
function resolveURIInternal(aCmdLine, aArgument) {
var uri = aCmdLine.resolveURI(aArgument);
var uriFixup = Services.uriFixup;
if (!(uri instanceof nsIFileURL)) {
return uriFixup.createFixupURI(aArgument,
uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS);
}
try {
if (uri.file.exists())
return uri;
}
catch (e) {
Components.utils.reportError(e);
}
// We have interpreted the argument as a relative file URI, but the file
// doesn't exist. Try URI fixup heuristics: see bug 290782.
try {
uri = uriFixup.createFixupURI(aArgument, 0);
}
catch (e) {
Components.utils.reportError(e);
}
return uri;
}
var gFirstWindow = false;
const OVERRIDE_NONE = 0;
const OVERRIDE_NEW_PROFILE = 1;
const OVERRIDE_NEW_MSTONE = 2;
const OVERRIDE_NEW_BUILD_ID = 3;
/**
* Determines whether a home page override is needed.
* Returns:
* OVERRIDE_NEW_PROFILE if this is the first run with a new profile.
* OVERRIDE_NEW_MSTONE if this is the first run with a build with a different
* Gecko milestone (i.e. right after an upgrade).
* OVERRIDE_NEW_BUILD_ID if this is the first run with a new build ID of the
* same Gecko milestone (i.e. after a nightly upgrade).
* OVERRIDE_NONE otherwise.
*/
function needHomepageOverride(prefb) {
var savedmstone = null;
try {
savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone");
} catch (e) {}
if (savedmstone == "ignore")
return OVERRIDE_NONE;
var mstone = Services.appinfo.platformVersion;
var savedBuildID = null;
try {
savedBuildID = prefb.getCharPref("browser.startup.homepage_override.buildID");
} catch (e) {}
var buildID = Services.appinfo.platformBuildID;
if (mstone != savedmstone) {
// Bug 462254. Previous releases had a default pref to suppress the EULA
// agreement if the platform's installer had already shown one. Now with
// about:rights we've removed the EULA stuff and default pref, but we need
// a way to make existing profiles retain the default that we removed.
if (savedmstone)
prefb.setBoolPref("browser.rights.3.shown", true);
prefb.setCharPref("browser.startup.homepage_override.mstone", mstone);
prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
return (savedmstone ? OVERRIDE_NEW_MSTONE : OVERRIDE_NEW_PROFILE);
}
if (buildID != savedBuildID) {
prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
return OVERRIDE_NEW_BUILD_ID;
}
return OVERRIDE_NONE;
}
/**
* Gets the override page for the first run after the application has been
* updated.
* @param defaultOverridePage
* The default override page.
* @return The override page.
*/
function getPostUpdateOverridePage(defaultOverridePage) {
var um = Components.classes["@mozilla.org/updates/update-manager;1"]
.getService(Components.interfaces.nsIUpdateManager);
try {
// If the updates.xml file is deleted then getUpdateAt will throw.
var update = um.getUpdateAt(0)
.QueryInterface(Components.interfaces.nsIPropertyBag);
} catch (e) {
// This should never happen.
Components.utils.reportError("Unable to find update: " + e);
return defaultOverridePage;
}
let actions = update.getProperty("actions");
// When the update doesn't specify actions fallback to the original behavior
// of displaying the default override page.
if (!actions)
return defaultOverridePage;
// The existence of silent or the non-existence of showURL in the actions both
// mean that an override page should not be displayed.
if (actions.indexOf("silent") != -1 || actions.indexOf("showURL") == -1)
return "";
return update.getProperty("openURL") || defaultOverridePage;
}
// Flag used to indicate that the arguments to openWindow can be passed directly.
const NO_EXTERNAL_URIS = 1;
function openWindow(parent, url, target, features, args, noExternalArgs) {
if (noExternalArgs == NO_EXTERNAL_URIS) {
// Just pass in the defaultArgs directly
var argstring;
if (args) {
argstring = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(nsISupportsString);
argstring.data = args;
}
return Services.ww.openWindow(parent, url, target, features, argstring);
}
// Pass an array to avoid the browser "|"-splitting behavior.
var argArray = Components.classes["@mozilla.org/supports-array;1"]
.createInstance(Components.interfaces.nsISupportsArray);
// add args to the arguments array
var stringArgs = null;
if (args instanceof Array) // array
stringArgs = args;
else if (args) // string
stringArgs = [args];
if (stringArgs) {
// put the URIs into argArray
var uriArray = Components.classes["@mozilla.org/supports-array;1"]
.createInstance(Components.interfaces.nsISupportsArray);
stringArgs.forEach(function (uri) {
var sstring = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(nsISupportsString);
sstring.data = uri;
uriArray.AppendElement(sstring);
});
argArray.AppendElement(uriArray);
} else {
argArray.AppendElement(null);
}
// Pass these as null to ensure that we always trigger the "single URL"
// behavior in browser.js's gBrowserInit.onLoad (which handles the window
// arguments)
argArray.AppendElement(null); // charset
argArray.AppendElement(null); // referer
argArray.AppendElement(null); // postData
argArray.AppendElement(null); // allowThirdPartyFixup
return Services.ww.openWindow(parent, url, target, features, argArray);
}
function openPreferences() {
var sa = Components.classes["@mozilla.org/supports-array;1"]
.createInstance(Components.interfaces.nsISupportsArray);
var wuri = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(Components.interfaces.nsISupportsString);
wuri.data = "about:preferences";
sa.AppendElement(wuri);
Services.ww.openWindow(null, gBrowserContentHandler.chromeURL,
"_blank",
"chrome,dialog=no,all",
sa);
}
function logSystemBasedSearch(engine) {
var countId = (engine.identifier || ("other-" + engine.name)) + ".system";
var count = Services.telemetry.getKeyedHistogramById("SEARCH_COUNTS");
count.add(countId);
}
function doSearch(searchTerm, cmdLine) {
var engine = Services.search.defaultEngine;
logSystemBasedSearch(engine);
var submission = engine.getSubmission(searchTerm, null, "system");
// fill our nsISupportsArray with uri-as-wstring, null, null, postData
var sa = Components.classes["@mozilla.org/supports-array;1"]
.createInstance(Components.interfaces.nsISupportsArray);
var wuri = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(Components.interfaces.nsISupportsString);
wuri.data = submission.uri.spec;
sa.AppendElement(wuri);
sa.AppendElement(null);
sa.AppendElement(null);
sa.AppendElement(submission.postData);
// XXXbsmedberg: use handURIToExistingBrowser to obey tabbed-browsing
// preferences, but need nsIBrowserDOMWindow extensions
return Services.ww.openWindow(null, gBrowserContentHandler.chromeURL,
"_blank",
"chrome,dialog=no,all" +
gBrowserContentHandler.getFeatures(cmdLine),
sa);
}
function nsBrowserContentHandler() {
}
nsBrowserContentHandler.prototype = {
classID: Components.ID("{5d0ce354-df01-421a-83fb-7ead0990c24e}"),
_xpcom_factory: {
createInstance: function bch_factory_ci(outer, iid) {
if (outer)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return gBrowserContentHandler.QueryInterface(iid);
}
},
/* helper functions */
mChromeURL : null,
get chromeURL() {
if (this.mChromeURL) {
return this.mChromeURL;
}
this.mChromeURL = Services.prefs.getCharPref("browser.chromeURL");
return this.mChromeURL;
},
/* nsISupports */
QueryInterface : XPCOMUtils.generateQI([nsICommandLineHandler,
nsIBrowserHandler,
nsIContentHandler,
nsICommandLineValidator]),
/* nsICommandLineHandler */
handle : function bch_handle(cmdLine) {
if (cmdLine.handleFlag("browser", false)) {
// Passing defaultArgs, so use NO_EXTERNAL_URIS
openWindow(null, this.chromeURL, "_blank",
"chrome,dialog=no,all" + this.getFeatures(cmdLine),
this.defaultArgs, NO_EXTERNAL_URIS);
cmdLine.preventDefault = true;
}
// In the past, when an instance was not already running, the -remote
// option returned an error code. Any script or application invoking the
// -remote option is expected to be handling this case, otherwise they
// wouldn't be doing anything when there is no Firefox already running.
// Making the -remote option always return an error code makes those
// scripts or applications handle the situation as if Firefox was not
// already running.
if (cmdLine.handleFlag("remote", true)) {
throw NS_ERROR_ABORT;
}
var uriparam;
try {
while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) {
let uri = resolveURIInternal(cmdLine, uriparam);
if (!shouldLoadURI(uri))
continue;
openWindow(null, this.chromeURL, "_blank",
"chrome,dialog=no,all" + this.getFeatures(cmdLine),
uri.spec);
cmdLine.preventDefault = true;
}
}
catch (e) {
Components.utils.reportError(e);
}
try {
while ((uriparam = cmdLine.handleFlagWithParam("new-tab", false))) {
let uri = resolveURIInternal(cmdLine, uriparam);
handURIToExistingBrowser(uri, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine);
cmdLine.preventDefault = true;
}
}
catch (e) {
Components.utils.reportError(e);
}
var chromeParam = cmdLine.handleFlagWithParam("chrome", false);
if (chromeParam) {
// Handle old preference dialog URLs.
if (chromeParam == "chrome://browser/content/pref/pref.xul" ||
chromeParam == "chrome://browser/content/preferences/preferences.xul") {
openPreferences();
cmdLine.preventDefault = true;
} else try {
let resolvedURI = resolveURIInternal(cmdLine, chromeParam);
let isLocal = uri => {
let localSchemes = new Set(["chrome", "file", "resource"]);
if (uri instanceof Components.interfaces.nsINestedURI) {
uri = uri.QueryInterface(Components.interfaces.nsINestedURI).innerMostURI;
}
return localSchemes.has(uri.scheme);
};
if (isLocal(resolvedURI)) {
// If the URI is local, we are sure it won't wrongly inherit chrome privs
var features = "chrome,dialog=no,all" + this.getFeatures(cmdLine);
openWindow(null, resolvedURI.spec, "_blank", features);
cmdLine.preventDefault = true;
} else {
dump("*** Preventing load of web URI as chrome\n");
dump(" If you're trying to load a webpage, do not pass --chrome.\n");
}
}
catch (e) {
Components.utils.reportError(e);
}
}
if (cmdLine.handleFlag("preferences", false)) {
openPreferences();
cmdLine.preventDefault = true;
}
if (cmdLine.handleFlag("silent", false))
cmdLine.preventDefault = true;
try {
var privateWindowParam = cmdLine.handleFlagWithParam("private-window", false);
if (privateWindowParam) {
let resolvedURI = resolveURIInternal(cmdLine, privateWindowParam);
handURIToExistingBrowser(resolvedURI, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine, true);
cmdLine.preventDefault = true;
}
} catch (e) {
if (e.result != Components.results.NS_ERROR_INVALID_ARG) {
throw e;
}
// NS_ERROR_INVALID_ARG is thrown when flag exists, but has no param.
if (cmdLine.handleFlag("private-window", false)) {
openWindow(null, this.chromeURL, "_blank",
"chrome,dialog=no,private,all" + this.getFeatures(cmdLine),
"about:privatebrowsing");
cmdLine.preventDefault = true;
}
}
var searchParam = cmdLine.handleFlagWithParam("search", false);
if (searchParam) {
doSearch(searchParam, cmdLine);
cmdLine.preventDefault = true;
}
// The global PB Service consumes this flag, so only eat it in per-window
// PB builds.
if (cmdLine.handleFlag("private", false)) {
PrivateBrowsingUtils.enterTemporaryAutoStartMode();
}
var fileParam = cmdLine.handleFlagWithParam("file", false);
if (fileParam) {
var file = cmdLine.resolveFile(fileParam);
var fileURI = Services.io.newFileURI(file);
openWindow(null, this.chromeURL, "_blank",
"chrome,dialog=no,all" + this.getFeatures(cmdLine),
fileURI.spec);
cmdLine.preventDefault = true;
}
if (AppConstants.platform == "win") {
// Handle "? searchterm" for Windows Vista start menu integration
for (var i = cmdLine.length - 1; i >= 0; --i) {
var param = cmdLine.getArgument(i);
if (param.match(/^\? /)) {
cmdLine.removeArguments(i, i);
cmdLine.preventDefault = true;
searchParam = param.substr(2);
doSearch(searchParam, cmdLine);
}
}
}
},
get helpInfo() {
let info =
" --browser Open a browser window.\n" +
" --new-window <url> Open <url> in a new window.\n" +
" --new-tab <url> Open <url> in a new tab.\n" +
" --private-window <url> Open <url> in a new private window.\n";
if (AppConstants.platform == "win") {
info += " --preferences Open Options dialog.\n";
} else {
info += " --preferences Open Preferences dialog.\n";
}
info += " --search <term> Search <term> with your default search engine.\n";
return info;
},
/* nsIBrowserHandler */
get defaultArgs() {
var prefb = Services.prefs;
if (!gFirstWindow) {
gFirstWindow = true;
if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
return "about:privatebrowsing";
}
}
var override;
var overridePage = "";
var additionalPage = "";
var willRestoreSession = false;
try {
// Read the old value of homepage_override.mstone before
// needHomepageOverride updates it, so that we can later add it to the
// URL if we do end up showing an overridePage. This makes it possible
// to have the overridePage's content vary depending on the version we're
// upgrading from.
let old_mstone = "unknown";
try {
old_mstone = Services.prefs.getCharPref("browser.startup.homepage_override.mstone");
} catch (ex) {}
override = needHomepageOverride(prefb);
if (override != OVERRIDE_NONE) {
switch (override) {
case OVERRIDE_NEW_PROFILE:
// New profile.
overridePage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url");
additionalPage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url.additional");
// Turn on 'later run' pages for new profiles.
LaterRun.enabled = true;
break;
case OVERRIDE_NEW_MSTONE:
// Check whether we will restore a session. If we will, we assume
// that this is an "update" session. This does not take crashes
// into account because that requires waiting for the session file
// to be read. If a crash occurs after updating, before restarting,
// we may open the startPage in addition to restoring the session.
var ss = Components.classes["@mozilla.org/browser/sessionstartup;1"]
.getService(Components.interfaces.nsISessionStartup);
willRestoreSession = ss.isAutomaticRestoreEnabled();
overridePage = Services.urlFormatter.formatURLPref("startup.homepage_override_url");
if (prefb.prefHasUserValue("app.update.postupdate"))
overridePage = getPostUpdateOverridePage(overridePage);
overridePage = overridePage.replace("%OLD_VERSION%", old_mstone);
break;
}
}
} catch (ex) {}
// formatURLPref might return "about:blank" if getting the pref fails
if (overridePage == "about:blank")
overridePage = "";
// Temporary override page for users who are running Firefox on Windows 10 for their first time.
let platformVersion = Services.sysinfo.getProperty("version");
if (AppConstants.platform == "win" &&
Services.vc.compare(platformVersion, "10") == 0 &&
!Services.prefs.getBoolPref("browser.usedOnWindows10")) {
Services.prefs.setBoolPref("browser.usedOnWindows10", true);
let firstUseOnWindows10URL = Services.urlFormatter.formatURLPref("browser.usedOnWindows10.introURL");
if (firstUseOnWindows10URL && firstUseOnWindows10URL.length) {
additionalPage = firstUseOnWindows10URL;
if (override == OVERRIDE_NEW_PROFILE) {
additionalPage += "&utm_content=firstrun";
}
}
}
if (!additionalPage) {
additionalPage = LaterRun.getURL() || "";
}
if (additionalPage && additionalPage != "about:blank") {
if (overridePage) {
overridePage += "|" + additionalPage;
} else {
overridePage = additionalPage;
}
}
var startPage = "";
try {
var choice = prefb.getIntPref("browser.startup.page");
if (choice == 1 || choice == 3)
startPage = this.startPage;
} catch (e) {
Components.utils.reportError(e);
}
if (startPage == "about:blank")
startPage = "";
// Only show the startPage if we're not restoring an update session.
if (overridePage && startPage && !willRestoreSession)
return overridePage + "|" + startPage;
return overridePage || startPage || "about:blank";
},
get startPage() {
var uri = Services.prefs.getComplexValue("browser.startup.homepage",
nsIPrefLocalizedString).data;
if (!uri) {
Services.prefs.clearUserPref("browser.startup.homepage");
uri = Services.prefs.getComplexValue("browser.startup.homepage",
nsIPrefLocalizedString).data;
}
return uri;
},
mFeatures : null,
getFeatures : function bch_features(cmdLine) {
if (this.mFeatures === null) {
this.mFeatures = "";
try {
var width = cmdLine.handleFlagWithParam("width", false);
var height = cmdLine.handleFlagWithParam("height", false);
if (width)
this.mFeatures += ",width=" + width;
if (height)
this.mFeatures += ",height=" + height;
}
catch (e) {
}
// The global PB Service consumes this flag, so only eat it in per-window
// PB builds.
if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
this.mFeatures = ",private";
}
}
return this.mFeatures;
},
/* nsIContentHandler */
handleContent : function bch_handleContent(contentType, context, request) {
try {
var webNavInfo = Components.classes["@mozilla.org/webnavigation-info;1"]
.getService(nsIWebNavigationInfo);
if (!webNavInfo.isTypeSupported(contentType, null)) {
throw NS_ERROR_WONT_HANDLE_CONTENT;
}
} catch (e) {
throw NS_ERROR_WONT_HANDLE_CONTENT;
}
request.QueryInterface(nsIChannel);
handURIToExistingBrowser(request.URI,
nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, null);
request.cancel(NS_BINDING_ABORTED);
},
/* nsICommandLineValidator */
validate : function bch_validate(cmdLine) {
// Other handlers may use osint so only handle the osint flag if the url
// flag is also present and the command line is valid.
var osintFlagIdx = cmdLine.findFlag("osint", false);
var urlFlagIdx = cmdLine.findFlag("url", false);
if (urlFlagIdx > -1 && (osintFlagIdx > -1 ||
cmdLine.state == nsICommandLine.STATE_REMOTE_EXPLICIT)) {
var urlParam = cmdLine.getArgument(urlFlagIdx + 1);
if (cmdLine.length != urlFlagIdx + 2 || /firefoxurl:/.test(urlParam))
throw NS_ERROR_ABORT;
var isDefault = false;
try {
var url = Services.urlFormatter.formatURLPref("app.support.baseURL") +
"win10-default-browser";
if (urlParam == url) {
isDefault = ShellService.isDefaultBrowser(false, false);
}
} catch (ex) {}
if (isDefault) {
// Firefox is already the default HTTP handler.
// We don't have to show the instruction page.
throw NS_ERROR_ABORT;
}
cmdLine.handleFlag("osint", false)
}
},
};
var gBrowserContentHandler = new nsBrowserContentHandler();
function handURIToExistingBrowser(uri, location, cmdLine, forcePrivate)
{
if (!shouldLoadURI(uri))
return;
// Unless using a private window is forced, open external links in private
// windows only if we're in perma-private mode.
var allowPrivate = forcePrivate || PrivateBrowsingUtils.permanentPrivateBrowsing;
var navWin = RecentWindow.getMostRecentBrowserWindow({private: allowPrivate});
if (!navWin) {
// if we couldn't load it in an existing window, open a new one
var features = "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine);
if (forcePrivate) {
features += ",private";
}
openWindow(null, gBrowserContentHandler.chromeURL, "_blank", features, uri.spec);
return;
}
var navNav = navWin.QueryInterface(nsIInterfaceRequestor)
.getInterface(nsIWebNavigation);
var rootItem = navNav.QueryInterface(nsIDocShellTreeItem).rootTreeItem;
var rootWin = rootItem.QueryInterface(nsIInterfaceRequestor)
.getInterface(nsIDOMWindow);
var bwin = rootWin.QueryInterface(nsIDOMChromeWindow).browserDOMWindow;
bwin.openURI(uri, null, location,
nsIBrowserDOMWindow.OPEN_EXTERNAL);
}
function nsDefaultCommandLineHandler() {
}
nsDefaultCommandLineHandler.prototype = {
classID: Components.ID("{47cd0651-b1be-4a0f-b5c4-10e5a573ef71}"),
/* nsISupports */
QueryInterface : function dch_QI(iid) {
if (!iid.equals(nsISupports) &&
!iid.equals(nsICommandLineHandler))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
},
_haveProfile: false,
/* nsICommandLineHandler */
handle : function dch_handle(cmdLine) {
var urilist = [];
if (AppConstants.platform == "win") {
// If we don't have a profile selected yet (e.g. the Profile Manager is
// displayed) we will crash if we open an url and then select a profile. To
// prevent this handle all url command line flags and set the command line's
// preventDefault to true to prevent the display of the ui. The initial
// command line will be retained when nsAppRunner calls LaunchChild though
// urls launched after the initial launch will be lost.
if (!this._haveProfile) {
try {
// This will throw when a profile has not been selected.
var dir = Services.dirsvc.get("ProfD", Components.interfaces.nsILocalFile);
this._haveProfile = true;
}
catch (e) {
while ((ar = cmdLine.handleFlagWithParam("url", false))) { }
cmdLine.preventDefault = true;
}
}
}
let redirectWinSearch = false;
if (AppConstants.isPlatformAndVersionAtLeast("win", "10")) {
redirectWinSearch = Services.prefs.getBoolPref("browser.search.redirectWindowsSearch");
}
try {
var ar;
while ((ar = cmdLine.handleFlagWithParam("url", false))) {
var uri = resolveURIInternal(cmdLine, ar);
// Searches in the Windows 10 task bar searchbox simply open the default browser
// with a URL for a search on Bing. Here we extract the search term and use the
// user's default search engine instead.
var uriScheme = "", uriHost = "", uriPath = "";
try {
uriScheme = uri.scheme;
uriHost = uri.host;
uriPath = uri.path;
} catch(e) {
}
// Most Windows searches are "https://www.bing.com/search...", but bug
// 1182308 reports a Chinese edition of Windows 10 using
// "http://cn.bing.com/search...", so be a bit flexible in what we match.
if (redirectWinSearch &&
(uriScheme == "http" || uriScheme == "https") &&
uriHost.endsWith(".bing.com") && uriPath.startsWith("/search")) {
try {
var url = uri.QueryInterface(Components.interfaces.nsIURL);
var params = new URLSearchParams(url.query);
// We don't want to rewrite all Bing URLs coming from external apps. Look
// for the magic URL parm that's present in searches from the task bar.
// * Typed searches use "form=WNSGPH"
// * Cortana voice searches use "FORM=WNSBOX" or direct results, or "FORM=WNSFC2"
// for "see more results on Bing.com")
// * Cortana voice searches started from "Hey, Cortana" use "form=WNSHCO"
// or "form=WNSSSV" or "form=WNSSCX"
var allowedParams = ["WNSGPH", "WNSBOX", "WNSFC2", "WNSHCO", "WNSSCX", "WNSSSV"];
var formParam = params.get("form");
if (!formParam) {
formParam = params.get("FORM");
}
if (allowedParams.indexOf(formParam) != -1) {
var term = params.get("q");
var engine = Services.search.defaultEngine;
logSystemBasedSearch(engine);
var submission = engine.getSubmission(term, null, "system");
uri = submission.uri;
}
} catch (e) {
Components.utils.reportError("Couldn't redirect Windows search: " + e);
}
}
urilist.push(uri);
}
}
catch (e) {
Components.utils.reportError(e);
}
for (let i = 0; i < cmdLine.length; ++i) {
var curarg = cmdLine.getArgument(i);
if (curarg.match(/^-/)) {
Components.utils.reportError("Warning: unrecognized command line flag " + curarg + "\n");
// To emulate the pre-nsICommandLine behavior, we ignore
// the argument after an unrecognized flag.
++i;
} else {
try {
urilist.push(resolveURIInternal(cmdLine, curarg));
}
catch (e) {
Components.utils.reportError("Error opening URI '" + curarg + "' from the command line: " + e + "\n");
}
}
}
if (urilist.length) {
if (cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH &&
urilist.length == 1) {
// Try to find an existing window and load our URI into the
// current tab, new tab, or new window as prefs determine.
try {
handURIToExistingBrowser(urilist[0], nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, cmdLine);
return;
}
catch (e) {
}
}
var URLlist = urilist.filter(shouldLoadURI).map(u => u.spec);
if (URLlist.length) {
openWindow(null, gBrowserContentHandler.chromeURL, "_blank",
"chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine),
URLlist);
}
}
else if (!cmdLine.preventDefault) {
if (AppConstants.isPlatformAndVersionAtLeast("win", "10") &&
cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH &&
WindowsUIUtils.inTabletMode) {
// In windows 10 tablet mode, do not create a new window, but reuse the existing one.
let win = RecentWindow.getMostRecentBrowserWindow();
if (win) {
win.focus();
return;
}
}
// Passing defaultArgs, so use NO_EXTERNAL_URIS
openWindow(null, gBrowserContentHandler.chromeURL, "_blank",
"chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine),
gBrowserContentHandler.defaultArgs, NO_EXTERNAL_URIS);
}
},
helpInfo : "",
};
var components = [nsBrowserContentHandler, nsDefaultCommandLineHandler];
this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
