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/* 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/. */
this.EXPORTED_SYMBOLS = ["PrivateBrowsingUtils"];
Components.utils.import("resource://gre/modules/Services.jsm");
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;
const Cc = Components.classes;
const Ci = Components.interfaces;
this.PrivateBrowsingUtils = {
// Rather than passing content windows to this function, please use
// isBrowserPrivate since it works with e10s.
isWindowPrivate: function pbu_isWindowPrivate(aWindow) {
if (!(aWindow instanceof Components.interfaces.nsIDOMChromeWindow)) {
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: function(aBrowser) {
let chromeWin = aBrowser.ownerDocument.defaultView;
if (chromeWin.gMultiProcessBrowser) {
// 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.
return this.isWindowPrivate(chromeWin);
}
return this.privacyContextFromWindow(aBrowser.contentWindow).usePrivateBrowsing;
},
privacyContextFromWindow: function pbu_privacyContextFromWindow(aWindow) {
return aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsILoadContext);
},
addToTrackingAllowlist(aURI) {
let pbmtpWhitelist = Cc["@mozilla.org/pbm-tp-whitelist;1"]
.getService(Ci.nsIPrivateBrowsingTrackingProtectionWhitelist);
pbmtpWhitelist.addToAllowList(aURI);
},
removeFromTrackingAllowlist(aURI) {
let pbmtpWhitelist = Cc["@mozilla.org/pbm-tp-whitelist;1"]
.getService(Ci.nsIPrivateBrowsingTrackingProtectionWhitelist);
pbmtpWhitelist.removeFromAllowList(aURI);
},
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;
},
whenHiddenPrivateWindowReady: function pbu_whenHiddenPrivateWindowReady(cb) {
Components.utils.import("resource://gre/modules/Timer.jsm");
let win = Services.appShell.hiddenPrivateDOMWindow;
function isNotLoaded() {
return ["complete", "interactive"].indexOf(win.document.readyState) == -1;
}
if (isNotLoaded()) {
setTimeout(function poll() {
if (isNotLoaded()) {
setTimeout(poll, 100);
return;
}
cb(Services.appShell.hiddenPrivateDOMWindow);
}, 4);
} else {
cb(Services.appShell.hiddenPrivateDOMWindow);
}
}
};
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