toolkit/modules/PrivateBrowsingUtils.jsm

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/modules/PrivateBrowsingUtils.jsm	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,67 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +this.EXPORTED_SYMBOLS = ["PrivateBrowsingUtils"];
     1.9 +
    1.10 +Components.utils.import("resource://gre/modules/Services.jsm");
    1.11 +
    1.12 +const kAutoStartPref = "browser.privatebrowsing.autostart";
    1.13 +
    1.14 +// This will be set to true when the PB mode is autostarted from the command
    1.15 +// line for the current session.
    1.16 +let gTemporaryAutoStartMode = false;
    1.17 +
    1.18 +const Cc = Components.classes;
    1.19 +const Ci = Components.interfaces;
    1.20 +
    1.21 +this.PrivateBrowsingUtils = {
    1.22 +  isWindowPrivate: function pbu_isWindowPrivate(aWindow) {
    1.23 +    return this.privacyContextFromWindow(aWindow).usePrivateBrowsing;
    1.24 +  },
    1.25 +
    1.26 +  privacyContextFromWindow: function pbu_privacyContextFromWindow(aWindow) {
    1.27 +    return aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
    1.28 +                  .getInterface(Ci.nsIWebNavigation)
    1.29 +                  .QueryInterface(Ci.nsILoadContext);
    1.30 +  },
    1.31 +
    1.32 +  get permanentPrivateBrowsing() {
    1.33 +    try {
    1.34 +      return gTemporaryAutoStartMode ||
    1.35 +             Services.prefs.getBoolPref(kAutoStartPref);
    1.36 +    } catch (e) {
    1.37 +      // The pref does not exist
    1.38 +      return false;
    1.39 +    }
    1.40 +  },
    1.41 +
    1.42 +  // These should only be used from internal code
    1.43 +  enterTemporaryAutoStartMode: function pbu_enterTemporaryAutoStartMode() {
    1.44 +    gTemporaryAutoStartMode = true;
    1.45 +  },
    1.46 +  get isInTemporaryAutoStartMode() {
    1.47 +    return gTemporaryAutoStartMode;
    1.48 +  },
    1.49 +
    1.50 +  whenHiddenPrivateWindowReady: function pbu_whenHiddenPrivateWindowReady(cb) {
    1.51 +    Components.utils.import("resource://gre/modules/Timer.jsm");
    1.52 +
    1.53 +    let win = Services.appShell.hiddenPrivateDOMWindow;
    1.54 +    function isNotLoaded() {
    1.55 +      return ["complete", "interactive"].indexOf(win.document.readyState) == -1;
    1.56 +    }
    1.57 +    if (isNotLoaded()) {
    1.58 +      setTimeout(function poll() {
    1.59 +        if (isNotLoaded()) {
    1.60 +          setTimeout(poll, 100);
    1.61 +          return;
    1.62 +        }
    1.63 +        cb(Services.appShell.hiddenPrivateDOMWindow);
    1.64 +      }, 4);
    1.65 +    } else {
    1.66 +      cb(Services.appShell.hiddenPrivateDOMWindow);
    1.67 +    }
    1.68 +  }
    1.69 +};
    1.70 +

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