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+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2017 eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+"use strict";
+
+let {PrivateBrowsingUtils} = Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm", {});
+
+let {Utils} = require("utils");
+
+/**
+ * Retrieves the effective location of a window.
+ */
+let getWindowLocation = exports.getWindowLocation = function(/**Window*/ window) /**String*/
+{
+ let result = null;
+
+ // Crazy Thunderbird stuff
+ if ("name" in window && window.name == "messagepane")
+ {
+ try
+ {
+ let mailWnd = window.QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIWebNavigation)
+ .QueryInterface(Ci.nsIDocShellTreeItem)
+ .rootTreeItem
+ .QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIDOMWindow);
+
+ // Typically we get a wrapped mail window here, need to unwrap
+ try
+ {
+ mailWnd = mailWnd.wrappedJSObject;
+ } catch(e) {}
+
+ if ("currentHeaderData" in mailWnd && "content-base" in mailWnd.currentHeaderData)
+ {
+ result = mailWnd.currentHeaderData["content-base"].headerValue;
+ }
+ else if ("currentHeaderData" in mailWnd && "from" in mailWnd.currentHeaderData)
+ {
+ let emailAddress = Utils.headerParser.extractHeaderAddressMailboxes(mailWnd.currentHeaderData.from.headerValue);
+ if (emailAddress)
+ result = 'mailto:' + emailAddress.replace(/^[\s"]+/, "").replace(/[\s"]+$/, "").replace(/\s/g, '%20');
+ }
+ } catch(e) {}
+ }
+
+ // Sane branch
+ if (!result)
+ result = window.location.href;
+
+ // Remove the anchor if any
+ let index = result.indexOf("#");
+ if (index >= 0)
+ result = result.substring(0, index);
+
+ return result;
+}
+
+/**
+ * Retrieves the frame hierarchy for a window. Returns an array containing
+ * the information for all frames, starting with the window itself up to its
+ * top-level window. Each entry has a location and a sitekey entry.
+ * @return {Array}
+ */
+let getFrames = exports.getFrames = function(/**Window*/ window)
+{
+ let frames = [];
+ while (window)
+ {
+ let frame = {
+ location: getWindowLocation(window),
+ sitekey: null
+ };
+
+ let documentElement = window.document && window.document.documentElement;
+ if (documentElement)
+ frame.sitekey = documentElement.getAttribute("data-adblockkey")
+
+ frames.push(frame);
+ window = (window != window.parent ? window.parent : null);
+ }
+
+ // URLs like about:blank inherit their security context from upper-level
+ // frames, resolve their URLs accordingly.
+ for (let i = frames.length - 2; i >= 0; i--)
+ {
+ let frame = frames[i];
+ if (frame.location == "about:blank" || frame.location == "moz-safe-about:blank" ||
+ frame.location == "about:srcdoc" ||
+ Utils.netUtils.URIChainHasFlags(Utils.makeURI(frame.location), Ci.nsIProtocolHandler.URI_INHERITS_SECURITY_CONTEXT))
+ {
+ frame.location = frames[i + 1].location;
+ }
+ }
+
+ return frames;
+};
+
+/**
+ * Checks whether Private Browsing mode is enabled for a content window.
+ * @return {Boolean}
+ */
+let isPrivate = exports.isPrivate = function(/**Window*/ window)
+{
+ return PrivateBrowsingUtils.isContentWindowPrivate(window);
+};
+
+/**
+ * Gets the DOM window associated with a particular request (if any).
+ */
+let getRequestWindow = exports.getRequestWindow = function(/**nsIChannel*/ channel) /**nsIDOMWindow*/
+{
+ try
+ {
+ if (channel.notificationCallbacks)
+ return channel.notificationCallbacks.getInterface(Ci.nsILoadContext).associatedWindow;
+ } catch(e) {}
+
+ try
+ {
+ if (channel.loadGroup && channel.loadGroup.notificationCallbacks)
+ return channel.loadGroup.notificationCallbacks.getInterface(Ci.nsILoadContext).associatedWindow;
+ } catch(e) {}
+
+ return null;
+};