зеркало из https://github.com/mozilla/pjs.git
437 строки
15 KiB
JavaScript
437 строки
15 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alec Flett <alecf@netscape.com>
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* Ben Goodger <ben@netscape.com>
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* Mike Pinkerton <pinkerton@netscape.com>
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* Blake Ross <blakeross@telocity.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* - [ Dependencies ] ---------------------------------------------------------
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* utilityOverlay.js:
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* - gatherTextUnder
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* - startScrolling
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*/
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var pref = null;
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pref = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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// Prefill a single text field
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function prefillTextBox(target) {
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// obtain values to be used for prefilling
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var walletService = Components.classes["@mozilla.org/wallet/wallet-service;1"].getService(Components.interfaces.nsIWalletService);
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var value = walletService.WALLET_PrefillOneElement(window.content, target);
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if (value) {
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// result is a linear sequence of values, each preceded by a separator character
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// convert linear sequence of values into an array of values
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var separator = value[0];
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var valueList = value.substring(1, value.length).split(separator);
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target.value = valueList[0];
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/*
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* Following code is a replacement for above line. In the case of multiple values, it
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* presents the user with a dialog containing a list from which he can select the value
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* he wants. However it is being commented out for now because of several problems, namely
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*
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* 1. There is no easy way to put localizable strings for the title and message of
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* the dialog without introducing a .properties file which currently doesn't exist
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* 2. Using blank title and messages as shown below have a problem because a zero-length
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* title is being displayed as some garbage characters (which is why the code below
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* has a title of " " instead of ""). This is a separate bug which will have to be
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* investigated further.
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* 3. The current wallet tables present alternate values for items such as shipping
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* address -- namely billing address and home address. Up until now, these alternate
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* values have never been a problem because the preferred value is always first and is
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* all the user sees when doing a prefill. However now he will be presented with a
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* list showing all these values and asking him to pick one, even though the wallet
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* code was clearly able to determine that he meant shipping address and not billing
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* address.
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* 4. There is a relatively long delay before the dialog come up whereas values are
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* filled in quickly when no dialog is involved.
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*
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* Once this feature is checked in, a separate bug will be opened asking that the above
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* problems be examined and this dialog turned on
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if (valueList.length == 1) {
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// only one value, use it for prefilling
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target.value = valueList[0];
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} else {
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// more than one value, have user select the one he wants
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var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService();
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promptService = promptService.QueryInterface(Components.interfaces.nsIPromptService);
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var position = {};
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var title = " ";
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var message = "";
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var ok =
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promptService.select
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(window, title, message, valueList.length, valueList, position)
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if (ok) {
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target.value = valueList[position.value];
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}
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}
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* End of commented out code
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*/
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}
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}
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function hrefAndLinkNodeForClickEvent(event)
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{
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var target = event.target;
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var href = "";
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var linkNode = null;
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var isKeyPress = (event.type == "keypress");
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if ( target instanceof HTMLAnchorElement ||
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target instanceof HTMLAreaElement ||
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target instanceof HTMLLinkElement ) {
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if (target.hasAttribute("href"))
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linkNode = target;
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}
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else if ( target instanceof HTMLInputElement
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&& (event.target.type == "text") // text field
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&& !isKeyPress // not a key event
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&& event.detail == 2 // double click
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&& event.button == 0 // left mouse button
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&& event.target.value.length == 0 // no text has been entered
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&& "@mozilla.org/wallet/wallet-service;1" in Components.classes // wallet is available
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) {
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prefillTextBox(target); // prefill the empty text field if possible
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}
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else {
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linkNode = event.originalTarget;
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while (linkNode && !(linkNode instanceof HTMLAnchorElement))
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linkNode = linkNode.parentNode;
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// <a> cannot be nested. So if we find an anchor without an
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// href, there is no useful <a> around the target
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if (linkNode && !linkNode.hasAttribute("href"))
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linkNode = null;
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}
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if (linkNode) {
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href = linkNode.href;
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} else {
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// Try simple XLink
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linkNode = target;
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while (linkNode) {
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if (linkNode.nodeType == Node.ELEMENT_NODE) {
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href = linkNode.getAttributeNS("http://www.w3.org/1999/xlink", "href");
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break;
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}
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linkNode = linkNode.parentNode;
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}
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if (href) {
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href = makeURLAbsolute(linkNode.baseURI, href);
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}
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}
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return href ? {href: href, linkNode: linkNode} : null;
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}
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// Called whenever the user clicks in the content area,
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// except when left-clicking on links (special case)
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// should always return true for click to go through
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function contentAreaClick(event)
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{
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if (!event.isTrusted || event.getPreventDefault()) {
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return true;
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}
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var isKeyPress = (event.type == "keypress");
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var ceParams = hrefAndLinkNodeForClickEvent(event);
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if (ceParams) {
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var href = ceParams.href;
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if (isKeyPress) {
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openNewTabWith(href, true, event.shiftKey);
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event.stopPropagation();
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}
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else {
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handleLinkClick(event, href, ceParams.linkNode);
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// if in mailnews block the link left click if we determine
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// that this URL is phishy (i.e. a potential email scam)
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if ("gMessengerBundle" in this && !event.button)
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return !isPhishingURL(ceParams.linkNode, false, href);
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}
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return true;
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}
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if (pref && !isKeyPress && event.button == 1 &&
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pref.getBoolPref("middlemouse.contentLoadURL")) {
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if (middleMousePaste(event)) {
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event.stopPropagation();
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}
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}
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return true;
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}
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function contentAreaMouseDown(event)
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{
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if (event.button == 1 && (event.target != event.currentTarget)
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&& !hrefAndLinkNodeForClickEvent(event)
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&& !isAutoscrollBlocker(event.originalTarget)) {
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startScrolling(event);
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return false;
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}
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return true;
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}
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function isAutoscrollBlocker(node)
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{
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if (!pref)
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return false;
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if (pref.getBoolPref("middlemouse.contentLoadURL"))
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return true;
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if (!pref.getBoolPref("middlemouse.paste"))
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return false;
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if (node.ownerDocument.designMode == "on")
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return true;
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while (node) {
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if (node instanceof HTMLTextAreaElement ||
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(node instanceof HTMLInputElement &&
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(node.type == "text" || node.type == "password")))
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return true;
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node = node.parentNode;
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}
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return false;
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}
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function openNewTabOrWindow(event, href, sendReferrer)
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{
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// should we open it in a new tab?
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if (pref && pref.getBoolPref("browser.tabs.opentabfor.middleclick")) {
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openNewTabWith(href, sendReferrer, event.shiftKey);
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event.stopPropagation();
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return true;
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}
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// should we open it in a new window?
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if (pref && pref.getBoolPref("middlemouse.openNewWindow")) {
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openNewWindowWith(href, sendReferrer);
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event.stopPropagation();
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return true;
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}
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// let someone else deal with it
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return false;
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}
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function handleLinkClick(event, href, linkNode)
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{
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// Make sure we are allowed to open this URL
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urlSecurityCheck(href, document);
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switch (event.button) {
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case 0: // if left button clicked
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if (event.metaKey || event.ctrlKey) { // and meta or ctrl are down
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if (openNewTabOrWindow(event, href, true))
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return true;
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}
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var saveModifier = true;
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if (pref) {
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try {
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saveModifier = pref.getBoolPref("ui.key.saveLink.shift");
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}
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catch(ex) {
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}
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}
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saveModifier = saveModifier ? event.shiftKey : event.altKey;
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if (saveModifier) { // if saveModifier is down
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saveURL(href, linkNode ? gatherTextUnder(linkNode) : "",
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"SaveLinkTitle", false, getReferrer(document));
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return true;
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}
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if (event.altKey) // if alt is down
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return true; // do nothing
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return false;
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case 1: // if middle button clicked
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if (openNewTabOrWindow(event, href, true))
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return true;
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break;
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}
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return false;
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}
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function middleMousePaste( event )
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{
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var url = readFromClipboard();
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if (!url)
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return false;
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addToUrlbarHistory(url);
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url = getShortcutOrURI(url);
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// On ctrl-middleclick, open in new window or tab. Do not send referrer.
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if (event.ctrlKey) {
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// fix up our pasted URI in case it is malformed.
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const nsIURIFixup = Components.interfaces.nsIURIFixup;
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if (!gURIFixup)
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gURIFixup = Components.classes["@mozilla.org/docshell/urifixup;1"]
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.getService(nsIURIFixup);
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url = gURIFixup.createFixupURI(url, nsIURIFixup.FIXUP_FLAGS_MAKE_ALTERNATE_URI).spec;
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return openNewTabOrWindow(event, url, false);
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}
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// If ctrl wasn't down, then just load the url in the targeted win/tab.
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var browser = getBrowser();
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var tab = event.originalTarget;
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if (tab.localName == "tab" &&
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tab.parentNode == browser.mTabContainer) {
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tab.linkedBrowser.userTypedValue = url;
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if (tab == browser.mCurrentTab && url != "about:blank") {
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gURLBar.value = url;
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}
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tab.linkedBrowser.loadURI(url);
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if (event.shiftKey != (pref && pref.getBoolPref("browser.tabs.loadInBackground")))
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browser.selectedTab = tab;
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}
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else if (tab.ownerDocument == document) {
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tab = browser.addTab(url);
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if (event.shiftKey != (pref && pref.getBoolPref("browser.tabs.loadInBackground")))
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browser.selectedTab = tab;
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}
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else {
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if (url != "about:blank") {
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gURLBar.value = url;
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}
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loadURI(url);
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}
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event.stopPropagation();
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return true;
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}
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function addToUrlbarHistory(aUrlToAdd)
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{
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// Remove leading and trailing spaces first
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aUrlToAdd = aUrlToAdd.replace(/^\s+/, '').replace(/\s+$/, '');
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if (!aUrlToAdd)
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return;
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if (aUrlToAdd.search(/[\x00-\x1F]/) != -1) // don't store bad URLs
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return;
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if (!gRDF)
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gRDF = Components.classes["@mozilla.org/rdf/rdf-service;1"]
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.getService(Components.interfaces.nsIRDFService);
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if (!gGlobalHistory)
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gGlobalHistory = Components.classes["@mozilla.org/browser/global-history;2"]
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.getService(Components.interfaces.nsIBrowserHistory);
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if (!gURIFixup)
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gURIFixup = Components.classes["@mozilla.org/docshell/urifixup;1"]
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.getService(Components.interfaces.nsIURIFixup);
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if (!gLocalStore)
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gLocalStore = gRDF.GetDataSource("rdf:local-store");
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if (!gRDFC)
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gRDFC = Components.classes["@mozilla.org/rdf/container-utils;1"]
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.getService(Components.interfaces.nsIRDFContainerUtils);
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var entries = gRDFC.MakeSeq(gLocalStore, gRDF.GetResource("nc:urlbar-history"));
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if (!entries)
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return;
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var elements = entries.GetElements();
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if (!elements)
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return;
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var index = 0;
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var urlToCompare = aUrlToAdd.toUpperCase();
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while(elements.hasMoreElements()) {
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var entry = elements.getNext();
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if (!entry) continue;
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index ++;
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try {
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entry = entry.QueryInterface(Components.interfaces.nsIRDFLiteral);
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} catch(ex) {
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// XXXbar not an nsIRDFLiteral for some reason. see 90337.
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continue;
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}
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if (urlToCompare == entry.Value.toUpperCase()) {
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// URL already present in the database
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// Remove it from its current position.
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// It is inserted to the top after the while loop.
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entries.RemoveElementAt(index, true);
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break;
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}
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} // while
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// Otherwise, we've got a new URL in town. Add it!
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try {
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var url = getShortcutOrURI(aUrlToAdd);
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var fixedUpURI = gURIFixup.createFixupURI(url, 0);
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if (!fixedUpURI.schemeIs("data"))
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gGlobalHistory.markPageAsTyped(fixedUpURI);
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}
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catch(ex) {
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}
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// Put the value as it was typed by the user in to RDF
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// Insert it to the beginning of the list.
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var entryToAdd = gRDF.GetLiteral(aUrlToAdd);
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entries.InsertElementAt(entryToAdd, 1, true);
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// Remove any expired history items so that we don't let
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// this grow without bound.
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for (index = entries.GetCount(); index > MAX_URLBAR_HISTORY_ITEMS; --index) {
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entries.RemoveElementAt(index, true);
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} // for
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}
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function makeURLAbsolute(base, url)
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{
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// Construct nsIURL.
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var ioService = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var baseURI = ioService.newURI(base, null, null);
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return ioService.newURI(baseURI.resolve(url), null, null).spec;
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}
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