forked from mirrors/gecko-dev
71 lines
2.4 KiB
JavaScript
71 lines
2.4 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 kAutoStartPref = "browser.privatebrowsing.autostart";
|
|
|
|
// This will be set to true when the PB mode is autostarted from the command
|
|
// line for the current session.
|
|
var gTemporaryAutoStartMode = false;
|
|
|
|
export var PrivateBrowsingUtils = {
|
|
get enabled() {
|
|
return Services.policies.isAllowed("privatebrowsing");
|
|
},
|
|
|
|
// Rather than passing content windows to this function, please use
|
|
// isBrowserPrivate since it works with e10s.
|
|
isWindowPrivate: function pbu_isWindowPrivate(aWindow) {
|
|
if (!aWindow.isChromeWindow) {
|
|
dump(
|
|
"WARNING: content window passed to PrivateBrowsingUtils.isWindowPrivate. " +
|
|
"Use isContentWindowPrivate instead (but only for frame scripts).\n" +
|
|
new Error().stack
|
|
);
|
|
}
|
|
|
|
return this.privacyContextFromWindow(aWindow).usePrivateBrowsing;
|
|
},
|
|
|
|
// This should be used only in frame scripts.
|
|
isContentWindowPrivate: function pbu_isWindowPrivate(aWindow) {
|
|
return this.privacyContextFromWindow(aWindow).usePrivateBrowsing;
|
|
},
|
|
|
|
isBrowserPrivate(aBrowser) {
|
|
let chromeWin = aBrowser.ownerGlobal;
|
|
if (chromeWin.gMultiProcessBrowser || !aBrowser.contentWindow) {
|
|
// In e10s we have to look at the chrome window's private
|
|
// browsing status since the only alternative is to check the
|
|
// content window, which is in another process. If the browser
|
|
// is lazy or is running in windowless configuration then the
|
|
// content window doesn't exist.
|
|
return this.isWindowPrivate(chromeWin);
|
|
}
|
|
return this.privacyContextFromWindow(aBrowser.contentWindow)
|
|
.usePrivateBrowsing;
|
|
},
|
|
|
|
privacyContextFromWindow: function pbu_privacyContextFromWindow(aWindow) {
|
|
return aWindow.docShell.QueryInterface(Ci.nsILoadContext);
|
|
},
|
|
|
|
get permanentPrivateBrowsing() {
|
|
try {
|
|
return (
|
|
gTemporaryAutoStartMode || Services.prefs.getBoolPref(kAutoStartPref)
|
|
);
|
|
} catch (e) {
|
|
// The pref does not exist
|
|
return false;
|
|
}
|
|
},
|
|
|
|
// These should only be used from internal code
|
|
enterTemporaryAutoStartMode: function pbu_enterTemporaryAutoStartMode() {
|
|
gTemporaryAutoStartMode = true;
|
|
},
|
|
get isInTemporaryAutoStartMode() {
|
|
return gTemporaryAutoStartMode;
|
|
},
|
|
};
|