gecko-dev/suite/browser/navigator.js

2401 строка
76 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Blake Ross <blakeross@telocity.com>
* Peter Annema <disttsc@bart.nl>
* Dean Tessman <dean_tessman@hotmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const XREMOTESERVICE_CONTRACTID = "@mozilla.org/browser/xremoteservice;1";
const XUL_NAMESPACE = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var gURLBar = null;
var gProxyButton = null;
var gProxyFavIcon = null;
var gProxyDeck = null;
var gBookmarksService = null;
var gSearchService = null;
var gNavigatorBundle;
var gBrandBundle;
var gNavigatorRegionBundle;
var gBrandRegionBundle;
var gLastValidURLStr = "";
var gLastValidURL = null;
var gHaveUpdatedToolbarState = false;
var gClickSelectsAll = false;
var gClickAtEndSelects = false;
var gIgnoreFocus = false;
var gIgnoreClick = false;
var gURIFixup = null;
var pref = null;
var appCore = null;
//cached elements
var gBrowser = null;
// focused frame URL
var gFocusedURL = null;
var gFocusedDocument = null;
// Pref listener constants
const gButtonPrefListener =
{
domain: "browser.toolbars.showbutton",
init: function()
{
var array = pref.getChildList(this.domain, {});
for (var i in array)
this.updateButton(array[i]);
this.updateSeparator();
},
observe: function(subject, topic, prefName)
{
// verify that we're changing a button pref
if (topic != "nsPref:changed")
return;
this.updateButton(prefName);
this.updateSeparator();
},
updateButton: function(prefName)
{
var buttonName = prefName.substr(this.domain.length+1);
var buttonId = buttonName + "-button";
var button = document.getElementById(buttonId);
if (button)
button.hidden = !pref.getBoolPref(prefName);
},
updateSeparator: function()
{
// If all buttons before the separator are hidden, also hide the separator
var separator = document.getElementById("home-bm-separator");
separator.hidden = allLeftButtonsAreHidden();
}
};
const gTabStripPrefListener =
{
domain: "browser.tabs.autoHide",
observe: function(subject, topic, prefName)
{
// verify that we're changing the tab browser strip auto hide pref
if (topic != "nsPref:changed")
return;
var stripVisibility = !pref.getBoolPref(prefName);
if (gBrowser.tabContainer.childNodes.length == 1) {
gBrowser.setStripVisibilityTo(stripVisibility);
pref.setBoolPref("browser.tabs.forceHide", false);
}
}
};
const gHomepagePrefListener =
{
domain: "browser.startup.homepage",
observe: function(subject, topic, prefName)
{
// verify that we're changing the home page pref
if (topic != "nsPref:changed")
return;
updateHomeButtonTooltip();
}
};
// popup window permission change listener
const gPopupPermListener = {
observe: function(subject, topic, data) {
if (topic == "popup-perm-close") {
// close the window if we're a popup and our opener's URI matches
// the URI in the notification
var popupOpenerURI = maybeInitPopupContext();
if (popupOpenerURI) {
const IOS = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
closeURI = IOS.newURI(data, null, null);
if (closeURI.host == popupOpenerURI.host)
window.close();
}
}
}
};
const POPUP_TYPE = "popup";
const gPopupPrefListener =
{
domain: "dom.disable_open_during_load",
observe: function(subject, topic, prefName)
{
if (topic != "nsPref:changed" || prefName != this.domain)
return;
var browsers = getBrowser().browsers;
var policy = pref.getBoolPref(prefName);
if (policy && pref.getBoolPref("privacy.popups.first_popup"))
pref.setBoolPref("privacy.popups.first_popup", false);
var hosts = [];
var permManager = Components.classes["@mozilla.org/permissionmanager;1"]
.getService(Components.interfaces.nsIPermissionManager);
var enumerator = permManager.enumerator;
var count=0;
while (enumerator.hasMoreElements()) {
var permission = enumerator.getNext()
.QueryInterface(Components.interfaces.nsIPermission);
if (permission.type == POPUP_TYPE && permission.capability == policy)
hosts[permission.host] = permission.host;
}
var popupIcon = document.getElementById("popupIcon");
if (!policy) {
for (var i = 0; i < browsers.length; i++) {
if (browsers[i].popupDomain in hosts)
break;
browsers[i].popupDomain = null;
popupIcon.hidden = true;
}
} else {
for (i = 0; i < browsers.length; i++) {
if (browsers[i].popupDomain in hosts) {
browsers[i].popupDomain = null;
popupIcon.hidden = true;
}
}
}
}
};
/**
* Pref listener handler functions.
* Both functions assume that observer.domain is set to
* the pref domain we want to start/stop listening to.
*/
function addPrefListener(observer)
{
try {
var pbi = pref.QueryInterface(Components.interfaces.nsIPrefBranchInternal);
pbi.addObserver(observer.domain, observer, false);
} catch(ex) {
dump("Failed to observe prefs: " + ex + "\n");
}
}
function removePrefListener(observer)
{
try {
var pbi = pref.QueryInterface(Components.interfaces.nsIPrefBranchInternal);
pbi.removeObserver(observer.domain, observer);
} catch(ex) {
dump("Failed to remove pref observer: " + ex + "\n");
}
}
function addPopupPermListener(observer)
{
const OS = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
OS.addObserver(observer, "popup-perm-close", false);
}
function removePopupPermListener(observer)
{
const OS = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
OS.removeObserver(observer, "popup-perm-close");
}
/**
* We can avoid adding multiple load event listeners and save some time by adding
* one listener that calls all real handlers.
*/
function loadEventHandlers(event)
{
// Filter out events that are not about the document load we are interested in
if (event.originalTarget == _content.document) {
UpdateBookmarksLastVisitedDate(event);
UpdateInternetSearchResults(event);
checkForDirectoryListing();
postURLToNativeWidget();
}
}
/**
* Determine whether or not the content area is displaying a page with frames,
* and if so, toggle the display of the 'save frame as' menu item.
**/
function getContentAreaFrameCount()
{
var saveFrameItem = document.getElementById("savepage");
if (!content || !content.frames.length || !isContentFrame(document.commandDispatcher.focusedWindow))
saveFrameItem.setAttribute("hidden", "true");
else
saveFrameItem.removeAttribute("hidden");
}
// When a content area frame is focused, update the focused frame URL
function contentAreaFrameFocus()
{
var focusedWindow = new XPCNativeWrapper(document.commandDispatcher.focusedWindow, "top", "document", "location");
if (focusedWindow.top == window.content) {
gFocusedURL = focusedWindow.location.href;
gFocusedDocument = focusedWindow.document;
}
}
function updateHomeButtonTooltip()
{
var homePage = getHomePage();
var tooltip = document.getElementById("home-button-tooltip-inner");
while (tooltip.firstChild)
tooltip.removeChild(tooltip.firstChild);
for (var i in homePage) {
var label = document.createElementNS(XUL_NAMESPACE, "label");
label.setAttribute("value", homePage[i]);
tooltip.appendChild(label);
}
}
//////////////////////////////// BOOKMARKS ////////////////////////////////////
function UpdateBookmarksLastVisitedDate(event)
{
var url = getWebNavigation().currentURI.spec;
if (url) {
// if the URL is bookmarked, update its "Last Visited" date
if (!gBookmarksService)
gBookmarksService = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIBookmarksService);
gBookmarksService.updateLastVisitedDate(url, _content.document.characterSet);
}
}
function HandleBookmarkIcon(iconURL, addFlag)
{
var url = getWebNavigation().currentURI.spec
if (url) {
// update URL with new icon reference
if (!gBookmarksService)
gBookmarksService = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIBookmarksService);
if (addFlag) gBookmarksService.updateBookmarkIcon(url, iconURL);
else gBookmarksService.removeBookmarkIcon(url, iconURL);
}
}
function UpdateInternetSearchResults(event)
{
var url = getWebNavigation().currentURI.spec;
if (url) {
try {
var autoOpenSearchPanel =
pref.getBoolPref("browser.search.opensidebarsearchpanel");
if (autoOpenSearchPanel || isSearchPanelOpen())
{
if (!gSearchService)
gSearchService = Components.classes["@mozilla.org/rdf/datasource;1?name=internetsearch"]
.getService(Components.interfaces.nsIInternetSearchService);
var searchInProgressFlag = gSearchService.FindInternetSearchResults(url);
if (searchInProgressFlag) {
if (autoOpenSearchPanel)
RevealSearchPanel();
}
}
} catch (ex) {
}
}
}
function getBrowser()
{
if (!gBrowser)
gBrowser = document.getElementById("content");
return gBrowser;
}
function getHomePage()
{
var URIs = [];
try {
URIs[0] = pref.getComplexValue("browser.startup.homepage",
Components.interfaces.nsIPrefLocalizedString).data;
var count = pref.getIntPref("browser.startup.homepage.count");
for (var i = 1; i < count; ++i) {
URIs[i] = pref.getComplexValue("browser.startup.homepage."+i,
Components.interfaces.nsIPrefLocalizedString).data;
}
} catch(e) {
}
return URIs;
}
function UpdateBackForwardButtons()
{
var backBroadcaster = document.getElementById("canGoBack");
var forwardBroadcaster = document.getElementById("canGoForward");
var browser = getBrowser();
// Avoid setting attributes on broadcasters if the value hasn't changed!
// Remember, guys, setting attributes on elements is expensive! They
// get inherited into anonymous content, broadcast to other widgets, etc.!
// Don't do it if the value hasn't changed! - dwh
var backDisabled = backBroadcaster.hasAttribute("disabled");
var forwardDisabled = forwardBroadcaster.hasAttribute("disabled");
if (backDisabled == browser.canGoBack) {
if (backDisabled)
backBroadcaster.removeAttribute("disabled");
else
backBroadcaster.setAttribute("disabled", true);
}
if (forwardDisabled == browser.canGoForward) {
if (forwardDisabled)
forwardBroadcaster.removeAttribute("disabled");
else
forwardBroadcaster.setAttribute("disabled", true);
}
}
// Function allLeftButtonsAreHidden
// Returns true if all the buttons left of the separator in the personal
// toolbar are hidden, false otherwise.
// Used by nsButtonPrefListener to hide the separator if needed
function allLeftButtonsAreHidden()
{
var buttonNode = document.getElementById("home-bm-separator").previousSibling;
while (buttonNode) {
if (buttonNode.localName != "tooltip" && !buttonNode.hidden)
return false;
buttonNode = buttonNode.previousSibling;
}
return true;
}
const gTabOpenObserver = {
observe: function(subject, topic, data)
{
if (topic != "open-new-tab-request" || subject != window)
return;
delayedOpenTab(data);
}
};
function Startup()
{
// init globals
gNavigatorBundle = document.getElementById("bundle_navigator");
gBrandBundle = document.getElementById("bundle_brand");
gNavigatorRegionBundle = document.getElementById("bundle_navigator_region");
gBrandRegionBundle = document.getElementById("bundle_brand_region");
gBrowser = document.getElementById("content");
gURLBar = document.getElementById("urlbar");
SetPageProxyState("invalid", null);
var webNavigation;
try {
// Create the browser instance component.
appCore = Components.classes["@mozilla.org/appshell/component/browser/instance;1"]
.createInstance(Components.interfaces.nsIBrowserInstance);
if (!appCore)
throw "couldn't create a browser instance";
// Get the preferences service
var prefService = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService);
pref = prefService.getBranch(null);
window.tryToClose = WindowIsClosing;
webNavigation = getWebNavigation();
if (!webNavigation)
throw "no XBL binding for browser";
} catch (e) {
alert("Error launching browser window:" + e);
window.close(); // Give up.
return;
}
// Do all UI building here:
// Ensure button visibility matches prefs
gButtonPrefListener.init();
// set home button tooltip text
updateHomeButtonTooltip();
// initialize observers and listeners
window.XULBrowserWindow = new nsBrowserStatusHandler();
addPrefListener(gButtonPrefListener);
addPrefListener(gTabStripPrefListener);
addPrefListener(gHomepagePrefListener);
addPopupPermListener(gPopupPermListener);
addPrefListener(gPopupPrefListener);
window.browserContentListener =
new nsBrowserContentListener(window, getBrowser());
// Initialize browser instance..
appCore.setWebShellWindow(window);
// Add a capturing event listener to the content area
// (rjc note: not the entire window, otherwise we'll get sidebar pane loads too!)
// so we'll be notified when onloads complete.
var contentArea = document.getElementById("appcontent");
contentArea.addEventListener("load", loadEventHandlers, true);
contentArea.addEventListener("focus", contentAreaFrameFocus, true);
var turboMode = false;
// set default character set if provided
if ("arguments" in window && window.arguments.length > 1 && window.arguments[1]) {
if (window.arguments[1].indexOf("charset=") != -1) {
var arrayArgComponents = window.arguments[1].split("=");
if (arrayArgComponents) {
//we should "inherit" the charset menu setting in a new window
getMarkupDocumentViewer().defaultCharacterSet = arrayArgComponents[1];
}
} else if (window.arguments[1].indexOf("turbo=yes") != -1) {
turboMode = true;
}
}
//initConsoleListener();
// XXXjag work-around for bug 113076
// there's another bug where we throw an exception when getting
// sessionHistory if it is null, which I'm exploiting here to
// detect the situation described in bug 113076.
// The same problem caused bug 139522, also worked around below.
try {
getBrowser().sessionHistory;
} catch (e) {
/* Session history might not be available,
so we wrap access to it in a try block */
try {
// sessionHistory wasn't set from the browser's constructor
// so we'll just have to set it here.
// Wire up session and global history before any possible
// progress notifications for back/forward button updating
webNavigation.sessionHistory = Components.classes["@mozilla.org/browser/shistory;1"]
.createInstance(Components.interfaces.nsISHistory);
// enable global history
getBrowser().docShell.QueryInterface(Components.interfaces.nsIDocShellHistory).useGlobalHistory = true;
} catch (e) {}
const selectedBrowser = getBrowser().selectedBrowser;
if (selectedBrowser.securityUI)
selectedBrowser.securityUI.init(selectedBrowser.contentWindow);
}
// hook up UI through progress listener
getBrowser().addProgressListener(window.XULBrowserWindow, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
// load appropriate initial page from commandline
var isPageCycling = false;
// page cycling for tinderbox tests
if (!appCore.cmdLineURLUsed)
isPageCycling = appCore.startPageCycler();
// only load url passed in when we're not page cycling
if (!isPageCycling) {
var uriToLoad = "";
// Check window.arguments[0]. If not null then use it for uriArray
// otherwise the new window is being called when another browser
// window already exists so use the New Window pref for uriArray
if ("arguments" in window && window.arguments.length >= 1) {
var uriArray;
if (window.arguments[0]) {
uriArray = window.arguments[0].toString().split('\n'); // stringify and split
} else {
try {
switch (pref.getIntPref("browser.windows.loadOnNewWindow"))
{
case -1:
var handler = Components.classes['@mozilla.org/commandlinehandler/general-startup;1?type=browser']
.getService(Components.interfaces.nsICmdLineHandler);
uriArray = handler.defaultArgs.split('\n');
break;
default:
uriArray = ["about:blank"];
break;
case 1:
uriArray = getHomePage();
break;
case 2:
var history = Components.classes["@mozilla.org/browser/global-history;2"]
.getService(Components.interfaces.nsIBrowserHistory);
uriArray = [history.lastPageVisited];
break;
}
} catch(e) {
uriArray = ["about:blank"];
}
}
uriToLoad = uriArray.splice(0, 1)[0];
if (uriArray.length > 0)
window.setTimeout(function(arg) { for (var i in arg) gBrowser.addTab(arg[i]); }, 0, uriArray);
}
if (/^\s*$/.test(uriToLoad))
uriToLoad = "about:blank";
if (uriToLoad != "about:blank") {
gURLBar.value = uriToLoad;
getBrowser().userTypedValue = uriToLoad;
if ("arguments" in window && window.arguments.length >= 3) {
loadURI(uriToLoad, window.arguments[2]);
} else {
loadURI(uriToLoad);
}
}
// Close the window now, if it's for turbo mode startup.
if ( turboMode ) {
// Set "command line used" flag. If we don't do this, then when a cmd line url
// for a "real* invocation comes in, we will override it with the "cmd line url"
// from the turbo-mode process (i.e., the home page).
appCore.cmdLineURLUsed = true;
// For some reason, window.close() directly doesn't work, so do it in the future.
window.setTimeout( "window.close()", 100 );
return;
}
// Focus the content area unless we're loading a blank page, or if
// we weren't passed any arguments. This "breaks" the
// javascript:window.open(); case where we don't get any arguments
// either, but we're loading about:blank, but focusing the content
// are is arguably correct in that case as well since the opener
// is very likely to put some content in the new window, and then
// the focus should be in the content area.
var navBar = document.getElementById("nav-bar");
if ("arguments" in window && uriToLoad == "about:blank" && !navBar.hidden && window.locationbar.visible)
setTimeout(WindowFocusTimerCallback, 0, gURLBar);
else
setTimeout(WindowFocusTimerCallback, 0, _content);
// Perform default browser checking (after window opens).
setTimeout( checkForDefaultBrowser, 0 );
// hook up remote support
if (XREMOTESERVICE_CONTRACTID in Components.classes) {
var remoteService;
remoteService = Components.classes[XREMOTESERVICE_CONTRACTID]
.getService(Components.interfaces.nsIXRemoteService);
remoteService.addBrowserInstance(window);
var observerService = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
observerService.addObserver(gTabOpenObserver, "open-new-tab-request", false);
}
}
// called when we go into full screen, even if it is
// initiated by a web page script
addEventListener("fullscreen", onFullScreen, false);
addEventListener("PopupWindow", onPopupWindow, false);
addEventListener("DOMPopupBlocked", onPopupBlocked, false);
// does clicking on the urlbar select its contents?
gClickSelectsAll = pref.getBoolPref("browser.urlbar.clickSelectsAll");
gClickAtEndSelects = pref.getBoolPref("browser.urlbar.clickAtEndSelects");
// now load bookmarks after a delay
setTimeout(LoadBookmarksCallback, 0);
}
function LoadBookmarksCallback()
{
// loads the services
initServices();
initBMService();
BMSVC.readBookmarks();
var bt = document.getElementById("bookmarks-ptf");
if (bt) {
bt.database.AddObserver(BookmarksToolbarRDFObserver);
}
window.addEventListener("resize", BookmarksToolbar.resizeFunc, false);
controllers.appendController(BookmarksMenuController);
}
function WindowFocusTimerCallback(element)
{
// This fuction is a redo of the fix for jag bug 91884
var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Components.interfaces.nsIWindowWatcher);
if (window == ww.activeWindow) {
element.focus();
} else {
// set the element in command dispatcher so focus will restore properly
// when the window does become active
if (element instanceof Components.interfaces.nsIDOMWindow) {
document.commandDispatcher.focusedWindow = element;
document.commandDispatcher.focusedElement = null;
} else if (element instanceof Components.interfaces.nsIDOMElement) {
document.commandDispatcher.focusedWindow = element.ownerDocument.defaultView;
document.commandDispatcher.focusedElement = element;
}
}
}
function BrowserFlushBookmarksAndHistory()
{
// Flush bookmarks and history (used when window closes or is cached).
try {
// If bookmarks are dirty, flush 'em to disk
var bmks = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIRDFRemoteDataSource);
bmks.Flush();
// give history a chance at flushing to disk also
var history = Components.classes["@mozilla.org/browser/global-history;2"]
.getService(Components.interfaces.nsIRDFRemoteDataSource);
history.Flush();
} catch(ex) {
}
}
function Shutdown()
{
// remove remote support
if (XREMOTESERVICE_CONTRACTID in Components.classes) {
var remoteService;
remoteService = Components.classes[XREMOTESERVICE_CONTRACTID]
.getService(Components.interfaces.nsIXRemoteService);
remoteService.removeBrowserInstance(window);
var observerService = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
observerService.removeObserver(gTabOpenObserver, "open-new-tab-request", false);
}
try {
getBrowser().removeProgressListener(window.XULBrowserWindow);
} catch (ex) {
}
var bt = document.getElementById("bookmarks-ptf");
if (bt) {
bt.database.RemoveObserver(BookmarksToolbarRDFObserver);
}
controllers.removeController(BookmarksMenuController);
window.XULBrowserWindow.destroy();
window.XULBrowserWindow = null;
BrowserFlushBookmarksAndHistory();
// unregister us as a pref listener
removePrefListener(gButtonPrefListener);
removePrefListener(gTabStripPrefListener);
removePrefListener(gHomepagePrefListener);
removePopupPermListener(gPopupPermListener);
removePrefListener(gPopupPrefListener);
window.browserContentListener.close();
// Close the app core.
if (appCore)
appCore.close();
}
function Translate()
{
var service = pref.getComplexValue("browser.translation.service",
Components.interfaces.nsIPrefLocalizedString).data;
var serviceDomain = pref.getComplexValue("browser.translation.serviceDomain",
Components.interfaces.nsIPrefLocalizedString).data;
var targetURI = getWebNavigation().currentURI.spec;
// if we're already viewing a translated page, then just reload
if (targetURI.indexOf(serviceDomain) >= 0)
BrowserReload();
else {
loadURI(encodeURI(service + targetURI));
}
}
function gotoHistoryIndex(aEvent)
{
var index = aEvent.target.getAttribute("index");
if (!index)
return false;
if (index == "back")
gBrowser.goBackGroup();
else if (index == "forward")
gBrowser.goForwardGroup();
else {
try {
getWebNavigation().gotoIndex(index);
}
catch(ex) {
return false;
}
}
return true;
}
function BrowserBack()
{
try {
getBrowser().goBack();
}
catch(ex) {
}
}
function BrowserHandleBackspace()
{
// The order of seeing keystrokes is this:
// 1) Chrome, 2) Typeahead, 3) [platform]HTMLBindings.xml
// Rather than have typeaheadfind responsible for making VK_BACK
// go back in history, we handle backspace it here as follows:
// When backspace is pressed, it might mean back
// in typeaheadfind if that's active, or it might mean back in history
var typeAhead = null;
const TYPE_AHEAD_FIND_CONTRACTID = "@mozilla.org/typeaheadfind;1";
if (TYPE_AHEAD_FIND_CONTRACTID in Components.classes) {
typeAhead = Components.classes[TYPE_AHEAD_FIND_CONTRACTID]
.getService(Components.interfaces.nsITypeAheadFind);
}
if (!typeAhead || !typeAhead.backOneChar()) {
BrowserBack();
}
}
function BrowserForward()
{
try {
getBrowser().goForward();
}
catch(ex) {
}
}
function SetGroupHistory(popupMenu, direction)
{
while (popupMenu.firstChild)
popupMenu.removeChild(popupMenu.firstChild);
var menuItem = document.createElementNS(XUL_NAMESPACE, "menuitem");
var label = gNavigatorBundle.getString("tabs.historyItem");
menuItem.setAttribute("label", label);
menuItem.setAttribute("index", direction);
popupMenu.appendChild(menuItem);
}
function BrowserBackMenu(event)
{
if (gBrowser.backBrowserGroup.length != 0) {
SetGroupHistory(event.target, "back");
return true;
}
return FillHistoryMenu(event.target, "back");
}
function BrowserForwardMenu(event)
{
if (gBrowser.forwardBrowserGroup.length != 0) {
SetGroupHistory(event.target, "forward");
return true;
}
return FillHistoryMenu(event.target, "forward");
}
function BrowserStop()
{
try {
const stopFlags = nsIWebNavigation.STOP_ALL;
getWebNavigation().stop(stopFlags);
}
catch(ex) {
}
}
function BrowserReload()
{
const reloadFlags = nsIWebNavigation.LOAD_FLAGS_NONE;
return BrowserReloadWithFlags(reloadFlags);
}
function BrowserReloadSkipCache()
{
// Bypass proxy and cache.
const reloadFlags = nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE;
return BrowserReloadWithFlags(reloadFlags);
}
function BrowserHome()
{
var homePage = getHomePage();
if (homePage.length == 1) {
loadURI(homePage[0]);
} else {
var URIs = [];
for (var i in homePage)
URIs.push({URI: homePage[i]});
var tab = gBrowser.loadGroup(URIs);
if (!pref.getBoolPref("browser.tabs.loadInBackground"))
gBrowser.selectedTab = tab;
}
}
function addBookmarkAs()
{
const browsers = gBrowser.browsers;
if (browsers.length > 1)
BookmarksUtils.addBookmarkForTabBrowser(gBrowser);
else
BookmarksUtils.addBookmarkForBrowser(gBrowser.webNavigation, true);
}
function addGroupmarkAs()
{
BookmarksUtils.addBookmarkForTabBrowser(gBrowser, true);
}
function updateGroupmarkMenuitem(id)
{
const disabled = gBrowser.browsers.length == 1;
document.getElementById(id).setAttribute("disabled", disabled);
}
function readRDFString(aDS,aRes,aProp)
{
var n = aDS.GetTarget(aRes, aProp, true);
return n ? n.QueryInterface(Components.interfaces.nsIRDFLiteral).Value : "";
}
function ensureDefaultEnginePrefs(aRDF,aDS)
{
var mPrefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
var defaultName = mPrefs.getComplexValue("browser.search.defaultenginename", Components.interfaces.nsIPrefLocalizedString).data;
var kNC_Root = aRDF.GetResource("NC:SearchEngineRoot");
var kNC_child = aRDF.GetResource("http://home.netscape.com/NC-rdf#child");
var kNC_Name = aRDF.GetResource("http://home.netscape.com/NC-rdf#Name");
var arcs = aDS.GetTargets(kNC_Root, kNC_child, true);
while (arcs.hasMoreElements()) {
var engineRes = arcs.getNext().QueryInterface(Components.interfaces.nsIRDFResource);
var name = readRDFString(aDS, engineRes, kNC_Name);
if (name == defaultName)
mPrefs.setCharPref("browser.search.defaultengine", engineRes.Value);
}
}
function ensureSearchPref()
{
var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
var ds = rdf.GetDataSource("rdf:internetsearch");
var mPrefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
var kNC_Name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");
var defaultEngine;
try {
defaultEngine = mPrefs.getCharPref("browser.search.defaultengine");
} catch(ex) {
ensureDefaultEnginePrefs(rdf, ds);
defaultEngine = mPrefs.getCharPref("browser.search.defaultengine");
}
}
function getSearchUrl(attr)
{
var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);
var ds = rdf.GetDataSource("rdf:internetsearch");
var kNC_Root = rdf.GetResource("NC:SearchEngineRoot");
var mPrefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
var defaultEngine = mPrefs.getCharPref("browser.search.defaultengine");
var engineRes = rdf.GetResource(defaultEngine);
var prop = "http://home.netscape.com/NC-rdf#" + attr;
var kNC_attr = rdf.GetResource(prop);
var searchURL = readRDFString(ds, engineRes, kNC_attr);
return searchURL;
}
function QualifySearchTerm()
{
// If the text in the URL bar is the same as the currently loaded
// page's URL then treat this as an empty search term. This way
// the user is taken to the search page where s/he can enter a term.
if (gBrowser.userTypedValue !== null)
return document.getElementById("urlbar").value;
return "";
}
function OpenSearch(tabName, forceDialogFlag, searchStr, newWindowFlag)
{
//This function needs to be split up someday.
var autoOpenSearchPanel = false;
var defaultSearchURL = null;
var fallbackDefaultSearchURL = gNavigatorRegionBundle.getString("fallbackDefaultSearchURL");
ensureSearchPref()
//Check to see if search string contains "://" or "ftp." or white space.
//If it does treat as url and match for pattern
var urlmatch= /(:\/\/|^ftp\.)[^ \S]+$/
var forceAsURL = urlmatch.test(searchStr);
try {
autoOpenSearchPanel = pref.getBoolPref("browser.search.opensidebarsearchpanel");
defaultSearchURL = pref.getComplexValue("browser.search.defaulturl",
Components.interfaces.nsIPrefLocalizedString).data;
} catch (ex) {
}
// Fallback to a default url (one that we can get sidebar search results for)
if (!defaultSearchURL)
defaultSearchURL = fallbackDefaultSearchURL;
if (!searchStr) {
BrowserSearchInternet();
} else {
//Check to see if location bar field is a url
//If it is a url go to URL. A Url is "://" or "." as commented above
//Otherwise search on entry
if (forceAsURL) {
BrowserLoadURL()
} else {
var searchMode = 0;
try {
searchMode = pref.getIntPref("browser.search.powermode");
} catch(ex) {
}
if (forceDialogFlag || searchMode == 1) {
// Use a single search dialog
var windowManager = Components.classes["@mozilla.org/appshell/window-mediator;1"]
.getService(Components.interfaces.nsIWindowMediator);
var searchWindow = windowManager.getMostRecentWindow("search:window");
if (!searchWindow) {
openDialog("chrome://communicator/content/search/search.xul", "SearchWindow", "dialog=no,close,chrome,resizable", tabName, searchStr);
} else {
// Already had one, focus it and load the page
searchWindow.focus();
if ("loadPage" in searchWindow)
searchWindow.loadPage(tabName, searchStr);
}
} else {
if (searchStr) {
var escapedSearchStr = encodeURIComponent(searchStr);
defaultSearchURL += escapedSearchStr;
var searchDS = Components.classes["@mozilla.org/rdf/datasource;1?name=internetsearch"]
.getService(Components.interfaces.nsIInternetSearchService);
searchDS.RememberLastSearchText(escapedSearchStr);
try {
var searchEngineURI = pref.getCharPref("browser.search.defaultengine");
if (searchEngineURI) {
var searchURL = getSearchUrl("actionButton");
if (searchURL) {
defaultSearchURL = searchURL + escapedSearchStr;
} else {
searchURL = searchDS.GetInternetSearchURL(searchEngineURI, escapedSearchStr, 0, 0, {value:0});
if (searchURL)
defaultSearchURL = searchURL;
}
}
} catch (ex) {
}
if (!newWindowFlag)
loadURI(defaultSearchURL);
else
window.open(defaultSearchURL, "_blank");
}
}
}
}
// should we try and open up the sidebar to show the "Search Results" panel?
if (autoOpenSearchPanel)
RevealSearchPanel();
}
function RevealSearchPanel()
{
var searchPanel = document.getElementById("urn:sidebar:panel:search");
if (searchPanel)
SidebarSelectPanel(searchPanel, true, true); // lives in sidebarOverlay.js
}
function isSearchPanelOpen()
{
return ( !sidebar_is_hidden() &&
!sidebar_is_collapsed() &&
SidebarGetLastSelectedPanel() == "urn:sidebar:panel:search"
);
}
function BrowserSearchInternet()
{
try {
var searchEngineURI = pref.getCharPref("browser.search.defaultengine");
if (searchEngineURI) {
var searchRoot = getSearchUrl("searchForm");
if (searchRoot) {
loadURI(searchRoot);
return;
} else {
// Get a search URL and guess that the front page of the site has a search form.
var searchDS = Components.classes["@mozilla.org/rdf/datasource;1?name=internetsearch"]
.getService(Components.interfaces.nsIInternetSearchService);
var searchURL = searchDS.GetInternetSearchURL(searchEngineURI, "ABC", 0, 0, {value:0});
if (searchURL) {
searchRoot = searchURL.match(/[a-z]+:\/\/[a-z.-]+/);
if (searchRoot) {
loadURI(searchRoot + "/");
return;
}
}
}
}
} catch (ex) {
}
// Fallback if the stuff above fails: use the hard-coded search engine
loadURI(gNavigatorRegionBundle.getString("otherSearchURL"));
}
//Note: BrowserNewEditorWindow() was moved to globalOverlay.xul and renamed to NewEditorWindow()
function BrowserOpenWindow()
{
//opens a window where users can select a web location to open
openDialog("chrome://communicator/content/openLocation.xul", "_blank", "chrome,modal,titlebar", window);
}
function BrowserOpenTab()
{
if (!gInPrintPreviewMode) {
var uriToLoad;
try {
switch ( pref.getIntPref("browser.tabs.loadOnNewTab") )
{
case -1:
var handler = Components.classes['@mozilla.org/commandlinehandler/general-startup;1?type=browser']
.getService(Components.interfaces.nsICmdLineHandler);
uriToLoad = handler.defaultArgs.split("\n")[0];
if (!/\S/.test(uriToLoad))
uriToLoad = "about:blank";
break;
default:
uriToLoad = "about:blank";
break;
case 1:
uriToLoad = pref.getCharPref("browser.startup.homepage");
break;
case 2:
uriToLoad = getWebNavigation().currentURI.spec;
break;
}
} catch(e) {
uriToLoad = "about:blank";
}
gBrowser.selectedTab = gBrowser.addTab(uriToLoad);
var navBar = document.getElementById("nav-bar");
if (uriToLoad == "about:blank" && !navBar.hidden && window.locationbar.visible)
setTimeout("gURLBar.focus();", 0);
else
setTimeout("content.focus();", 0);
}
}
/* Called from the openLocation dialog. This allows that dialog to instruct
its opener to open a new window and then step completely out of the way.
Anything less byzantine is causing horrible crashes, rather believably,
though oddly only on Linux. */
function delayedOpenWindow(chrome,flags,url)
{
setTimeout("openDialog('"+chrome+"','_blank','"+flags+"','"+url+"')", 10);
}
/* Required because the tab needs time to set up its content viewers and get the load of
the URI kicked off before becoming the active content area. */
function delayedOpenTab(url)
{
setTimeout(function(aTabElt) { getBrowser().selectedTab = aTabElt; }, 0, getBrowser().addTab(url));
}
/* Show file picker dialog configured for opening a file, and return
* the selected nsIFileURL instance. */
function selectFileToOpen(label, prefRoot)
{
var fileURL = null;
// Get filepicker component.
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
fp.init(window, gNavigatorBundle.getString(label), nsIFilePicker.modeOpen);
fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText | nsIFilePicker.filterImages |
nsIFilePicker.filterXML | nsIFilePicker.filterHTML);
const filterIndexPref = prefRoot + "filterIndex";
const lastDirPref = prefRoot + "dir";
// use a pref to remember the filterIndex selected by the user.
var index = 0;
try {
index = pref.getIntPref(filterIndexPref);
} catch (ex) {
}
fp.filterIndex = index;
// use a pref to remember the displayDirectory selected by the user.
try {
fp.displayDirectory = pref.getComplexValue(lastDirPref, Components.interfaces.nsILocalFile);
} catch (ex) {
}
if (fp.show() == nsIFilePicker.returnOK) {
pref.setIntPref(filterIndexPref, fp.filterIndex);
pref.setComplexValue(lastDirPref,
Components.interfaces.nsILocalFile,
fp.file.parent);
fileURL = fp.fileURL;
}
return fileURL;
}
function BrowserOpenFileWindow()
{
try {
openTopWin(selectFileToOpen("openFile", "browser.open.").spec);
} catch (e) {}
}
function BrowserEditBookmarks()
{
toOpenWindowByType("bookmarks:manager", "chrome://communicator/content/bookmarks/bookmarksManager.xul");
}
function updateCloseItems()
{
var browser = getBrowser();
if (browser.getStripVisibility()) {
document.getElementById('menu_close').setAttribute('label', gNavigatorBundle.getString('tabs.closeTab'));
document.getElementById('menu_closeWindow').hidden = false;
document.getElementById('menu_closeOtherTabs').hidden = false;
if (browser.tabContainer.childNodes.length > 1)
document.getElementById('cmd_closeOtherTabs').removeAttribute('disabled');
else
document.getElementById('cmd_closeOtherTabs').setAttribute('disabled', 'true');
} else {
document.getElementById('menu_close').setAttribute('label', gNavigatorBundle.getString('tabs.close'));
document.getElementById('menu_closeWindow').hidden = true;
document.getElementById('menu_closeOtherTabs').hidden = true;
}
}
function BrowserCloseOtherTabs()
{
var browser = getBrowser();
browser.removeAllTabsBut(browser.mCurrentTab);
}
function BrowserCloseTabOrWindow()
{
var browser = getBrowser();
if (browser.tabContainer.childNodes.length > 1) {
// Just close up a tab.
browser.removeCurrentTab();
return;
}
BrowserCloseWindow();
}
function BrowserTryToCloseWindow()
{
//give tryToClose a chance to veto if it is defined
if (typeof(window.tryToClose) != "function" || window.tryToClose())
BrowserCloseWindow();
}
function BrowserCloseWindow()
{
// This code replicates stuff in Shutdown(). It is here because
// window.screenX and window.screenY have real values. We need
// to fix this eventually but by replicating the code here, we
// provide a means of saving position (it just requires that the
// user close the window via File->Close (vs. close box).
// Get the current window position/size.
var x = window.screenX;
var y = window.screenY;
var h = window.outerHeight;
var w = window.outerWidth;
// Store these into the window attributes (for persistence).
var win = document.getElementById( "main-window" );
win.setAttribute( "x", x );
win.setAttribute( "y", y );
win.setAttribute( "height", h );
win.setAttribute( "width", w );
window.close();
}
function loadURI(uri, referrer)
{
try {
getBrowser().loadURI(uri, referrer);
} catch (e) {
}
}
function BrowserLoadURL(aTriggeringEvent)
{
var url = gURLBar.value;
if (url.match(/^view-source:/)) {
BrowserViewSourceOfURL(url.replace(/^view-source:/, ""), null, null);
} else {
// Check the pressed modifiers: (also see bug 97123)
// Modifier Mac | Modifier PC | Action
// -------------+-------------+-----------
// Command | Control | New Window/Tab
// Shift+Cmd | Shift+Ctrl | New Window/Tab behind current one
// Option | Shift | Save URL (show Filepicker)
// If false, the save modifier is Alt, which is Option on Mac.
var modifierIsShift = true;
try {
modifierIsShift = pref.getBoolPref("ui.key.saveLink.shift");
}
catch (ex) {}
var shiftPressed = false;
var saveModifier = false; // if the save modifier was pressed
if (aTriggeringEvent && 'shiftKey' in aTriggeringEvent &&
'altKey' in aTriggeringEvent) {
saveModifier = modifierIsShift ? aTriggeringEvent.shiftKey
: aTriggeringEvent.altKey;
shiftPressed = aTriggeringEvent.shiftKey;
}
var browser = getBrowser();
url = getShortcutOrURI(url);
// Accept both Control and Meta (=Command) as New-Window-Modifiers
if (aTriggeringEvent &&
(('ctrlKey' in aTriggeringEvent && aTriggeringEvent.ctrlKey) ||
('metaKey' in aTriggeringEvent && aTriggeringEvent.metaKey))) {
// Check if user requests Tabs instead of windows
var openTab = false;
try {
openTab = pref.getBoolPref("browser.tabs.opentabfor.urlbar");
}
catch (ex) {}
if (openTab) {
// Open link in new tab
var t = browser.addTab(url);
// Focus new tab unless shift is pressed
if (!shiftPressed) {
browser.userTypedValue = null;
browser.selectedTab = t;
}
} else {
// Open a new window with the URL
var newWin = openDialog(getBrowserURL(), "_blank", "all,dialog=no", url);
// Reset url in the urlbar, copied from handleURLBarRevert()
var oldURL = browser.currentURI.spec;
if (oldURL != "about:blank") {
gURLBar.value = oldURL;
SetPageProxyState("valid", null);
} else
gURLBar.value = "";
browser.userTypedValue = null;
// Focus old window if shift was pressed, as there's no
// way to open a new window in the background
// XXX this doesn't seem to work
if (shiftPressed) {
//newWin.blur();
content.focus();
}
}
} else if (saveModifier) {
try {
// Firstly, fixup the url so that (e.g.) "www.foo.com" works
const nsIURIFixup = Components.interfaces.nsIURIFixup;
if (!gURIFixup)
gURIFixup = Components.classes["@mozilla.org/docshell/urifixup;1"]
.getService(nsIURIFixup);
url = gURIFixup.createFixupURI(url, nsIURIFixup.FIXUP_FLAGS_MAKE_ALTERNATE_URI).spec;
// Open filepicker to save the url
saveURL(url, "");
}
catch(ex) {
// XXX Do nothing for now.
// Do we want to put up an alert in the future? Mmm, l10n...
}
} else {
// No modifier was pressed, load the URL normally and
// focus the content area
loadURI(url);
content.focus();
}
}
}
function getShortcutOrURI(url)
{
// rjc: added support for URL shortcuts (3/30/1999)
try {
if (!gBookmarksService)
gBookmarksService = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIBookmarksService);
var shortcutURL = gBookmarksService.resolveKeyword(url);
if (!shortcutURL) {
// rjc: add support for string substitution with shortcuts (4/4/2000)
// (see bug # 29871 for details)
var aOffset = url.indexOf(" ");
if (aOffset > 0) {
var cmd = url.substr(0, aOffset);
var text = url.substr(aOffset+1);
shortcutURL = gBookmarksService.resolveKeyword(cmd);
if (shortcutURL && text) {
aOffset = shortcutURL.indexOf("%s");
if (aOffset >= 0)
shortcutURL = shortcutURL.substr(0, aOffset) + text + shortcutURL.substr(aOffset+2);
else
shortcutURL = null;
}
}
}
if (shortcutURL)
url = shortcutURL;
} catch (ex) {
}
return url;
}
function readFromClipboard()
{
var url;
try {
// Get clipboard.
var clipboard = Components.classes["@mozilla.org/widget/clipboard;1"]
.getService(Components.interfaces.nsIClipboard);
// Create tranferable that will transfer the text.
var trans = Components.classes["@mozilla.org/widget/transferable;1"]
.createInstance(Components.interfaces.nsITransferable);
trans.addDataFlavor("text/unicode");
// If available, use selection clipboard, otherwise global one
if (clipboard.supportsSelectionClipboard())
clipboard.getData(trans, clipboard.kSelectionClipboard);
else
clipboard.getData(trans, clipboard.kGlobalClipboard);
var data = {};
var dataLen = {};
trans.getTransferData("text/unicode", data, dataLen);
if (data) {
data = data.value.QueryInterface(Components.interfaces.nsISupportsString);
url = data.data.substring(0, dataLen.value / 2);
}
} catch (ex) {
}
return url;
}
function OpenMessenger()
{
open("chrome://messenger/content/messenger.xul", "_blank",
"chrome,extrachrome,menubar,resizable,status,toolbar");
}
function OpenAddressbook()
{
open("chrome://messenger/content/addressbook/addressbook.xul", "_blank",
"chrome,extrachrome,menubar,resizable,status,toolbar");
}
function BrowserViewSourceOfDocument(aDocument)
{
var docCharset;
var pageCookie;
var webNav;
// Get the document charset
docCharset = "charset=" + aDocument.characterSet;
// Get the nsIWebNavigation associated with the document
try {
var win;
var ifRequestor;
// Get the DOMWindow for the requested document. If the DOMWindow
// cannot be found, then just use the _content window...
//
// XXX: This is a bit of a hack...
win = aDocument.defaultView;
if (win == window) {
win = _content;
}
ifRequestor = win.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
webNav = ifRequestor.getInterface(Components.interfaces.nsIWebNavigation);
} catch(err) {
// If nsIWebNavigation cannot be found, just get the one for the whole
// window...
webNav = getWebNavigation();
}
//
// Get the 'PageDescriptor' for the current document. This allows the
// view-source to access the cached copy of the content rather than
// refetching it from the network...
//
try{
var PageLoader = webNav.QueryInterface(Components.interfaces.nsIWebPageDescriptor);
pageCookie = PageLoader.currentDescriptor;
} catch(err) {
// If no page descriptor is available, just use the view-source URL...
}
BrowserViewSourceOfURL(webNav.currentURI.spec, docCharset, pageCookie);
}
function BrowserViewSourceOfURL(url, charset, pageCookie)
{
// try to open a view-source window while inheriting the charset (if any)
openDialog("chrome://navigator/content/viewSource.xul",
"_blank",
"all,dialog=no",
url, charset, pageCookie);
}
// doc=null for regular page info, doc=owner document for frame info.
function BrowserPageInfo(doc, tab)
{
window.openDialog("chrome://navigator/content/pageInfo.xul",
"_blank",
"chrome,dialog=no",
doc,
tab);
}
function hiddenWindowStartup()
{
// focus the hidden window
window.focus();
// Disable menus which are not appropriate
var disabledItems = ['cmd_close', 'Browser:SendPage', 'Browser:EditPage',
'cmd_printSetup', /*'Browser:PrintPreview',*/
'Browser:Print', 'canGoBack', 'canGoForward',
'Browser:Home', 'Browser:AddBookmark',
'Browser:AddBookmarkAs', 'Browser:AddGroupmarkAs',
'cmd_undo', 'cmd_redo', 'cmd_cut', 'cmd_copy',
'cmd_paste', 'cmd_delete', 'cmd_selectAll',
'menu_textZoom'];
for (var id in disabledItems) {
var broadcaster = document.getElementById(disabledItems[id]);
if (broadcaster)
broadcaster.setAttribute("disabled", "true");
}
// now load bookmarks after a delay
setTimeout(hiddenWindowLoadBookmarksCallback, 0);
}
function hiddenWindowLoadBookmarksCallback()
{
// loads the services
initServices();
initBMService();
BMSVC.readBookmarks();
}
// Initialize the LeakDetector class.
function LeakDetector(verbose)
{
this.verbose = verbose;
}
const NS_LEAKDETECTOR_CONTRACTID = "@mozilla.org/xpcom/leakdetector;1";
if (NS_LEAKDETECTOR_CONTRACTID in Components.classes) {
try {
LeakDetector.prototype = Components.classes[NS_LEAKDETECTOR_CONTRACTID]
.createInstance(Components.interfaces.nsILeakDetector);
} catch (err) {
LeakDetector.prototype = Object.prototype;
}
} else {
LeakDetector.prototype = Object.prototype;
}
var leakDetector = new LeakDetector(false);
// Dumps current set of memory leaks.
function dumpMemoryLeaks()
{
leakDetector.dumpLeaks();
}
// Traces all objects reachable from the chrome document.
function traceChrome()
{
leakDetector.traceObject(document, leakDetector.verbose);
}
// Traces all objects reachable from the content document.
function traceDocument()
{
// keep the chrome document out of the dump.
leakDetector.markObject(document, true);
leakDetector.traceObject(_content, leakDetector.verbose);
leakDetector.markObject(document, false);
}
// Controls whether or not we do verbose tracing.
function traceVerbose(verbose)
{
leakDetector.verbose = (verbose == "true");
}
var consoleListener = {
observe: function (aMsgObject)
{
const nsIScriptError = Components.interfaces.nsIScriptError;
var scriptError = aMsgObject.QueryInterface(nsIScriptError);
var isWarning = scriptError.flags & nsIScriptError.warningFlag != 0;
if (!isWarning) {
var statusbarDisplay = document.getElementById("statusbar-display");
statusbarDisplay.setAttribute("error", "true");
statusbarDisplay.addEventListener("click", loadErrorConsole, true);
statusbarDisplay.label = gNavigatorBundle.getString("jserror");
this.isShowingError = true;
}
},
// whether or not an error alert is being displayed
isShowingError: false
};
function initConsoleListener()
{
/**
* XXX - console launch hookup requires some work that I'm not sure
* how to do.
*
* 1) ideally, the notification would disappear when the
* document that had the error was flushed. how do I know when
* this happens? All the nsIScriptError object I get tells me
* is the URL. Where is it located in the content area?
* 2) the notification service should not display chrome
* script errors. web developers and users are not interested
* in the failings of our shitty, exception unsafe js. One
* could argue that this should also extend to the console by
* default (although toggle-able via setting for chrome
* authors) At any rate, no status indication should be given
* for chrome script errors.
*
* As a result I am commenting out this for the moment.
*
var consoleService = Components.classes["@mozilla.org/consoleservice;1"]
.getService(Components.interfaces.nsIConsoleService);
if (consoleService)
consoleService.registerListener(consoleListener);
*/
}
function loadErrorConsole(aEvent)
{
if (aEvent.detail == 2)
toJavaScriptConsole();
}
function clearErrorNotification()
{
var statusbarDisplay = document.getElementById("statusbar-display");
statusbarDisplay.removeAttribute("error");
statusbarDisplay.removeEventListener("click", loadErrorConsole, true);
consoleListener.isShowingError = false;
}
const NS_URLWIDGET_CONTRACTID = "@mozilla.org/urlwidget;1";
var urlWidgetService = null;
if (NS_URLWIDGET_CONTRACTID in Components.classes) {
urlWidgetService = Components.classes[NS_URLWIDGET_CONTRACTID]
.getService(Components.interfaces.nsIUrlWidget);
}
//Posts the currently displayed url to a native widget so third-party apps can observe it.
function postURLToNativeWidget()
{
if (urlWidgetService) {
var url = getWebNavigation().currentURI.spec;
try {
urlWidgetService.SetURLToHiddenControl(url, window);
} catch(ex) {
}
}
}
function checkForDirectoryListing()
{
if ( "HTTPIndex" in _content &&
_content.HTTPIndex instanceof Components.interfaces.nsIHTTPIndex ) {
_content.defaultCharacterset = getMarkupDocumentViewer().defaultCharacterSet;
}
}
/**
* Use Stylesheet functions.
* Written by Tim Hill (bug 6782)
* Frameset handling by Neil Rashbrook <neil@parkwaycc.co.uk>
**/
function getStyleSheetArray(frame)
{
var styleSheets = frame.document.styleSheets;
var styleSheetsArray = new Array(styleSheets.length);
for (var i = 0; i < styleSheets.length; i++) {
styleSheetsArray[i] = styleSheets[i];
}
return styleSheetsArray;
}
function getAllStyleSheets(frameset)
{
var styleSheetsArray = getStyleSheetArray(frameset);
for (var i = 0; i < frameset.frames.length; i++) {
var frameSheets = getAllStyleSheets(frameset.frames[i]);
styleSheetsArray = styleSheetsArray.concat(frameSheets);
}
return styleSheetsArray;
}
function stylesheetFillPopup(menuPopup)
{
var itemNoOptStyles = menuPopup.firstChild;
while (itemNoOptStyles.nextSibling)
menuPopup.removeChild(itemNoOptStyles.nextSibling);
var noOptionalStyles = true;
var styleSheets = getAllStyleSheets(window._content);
var currentStyleSheets = [];
for (var i = 0; i < styleSheets.length; ++i) {
var currentStyleSheet = styleSheets[i];
if (currentStyleSheet.title) {
if (!currentStyleSheet.disabled)
noOptionalStyles = false;
var lastWithSameTitle = null;
if (currentStyleSheet.title in currentStyleSheets)
lastWithSameTitle = currentStyleSheets[currentStyleSheet.title];
if (!lastWithSameTitle) {
var menuItem = document.createElement("menuitem");
menuItem.setAttribute("type", "radio");
menuItem.setAttribute("label", currentStyleSheet.title);
menuItem.setAttribute("data", currentStyleSheet.title);
menuItem.setAttribute("checked", !currentStyleSheet.disabled);
menuPopup.appendChild(menuItem);
currentStyleSheets[currentStyleSheet.title] = menuItem;
} else {
if (currentStyleSheet.disabled)
lastWithSameTitle.removeAttribute("checked");
}
}
}
itemNoOptStyles.setAttribute("checked", noOptionalStyles);
}
function stylesheetInFrame(frame, title) {
var docStyleSheets = frame.document.styleSheets;
for (var i = 0; i < docStyleSheets.length; ++i) {
if (docStyleSheets[i].title == title)
return true;
}
return false;
}
function stylesheetSwitchFrame(frame, title) {
var docStyleSheets = frame.document.styleSheets;
for (var i = 0; i < docStyleSheets.length; ++i) {
var docStyleSheet = docStyleSheets[i];
if (docStyleSheet.title)
docStyleSheet.disabled = (docStyleSheet.title != title);
else if (docStyleSheet.disabled)
docStyleSheet.disabled = false;
}
}
function stylesheetSwitchAll(frameset, title) {
if (!title || stylesheetInFrame(frameset, title)) {
stylesheetSwitchFrame(frameset, title);
}
for (var i = 0; i < frameset.frames.length; i++) {
stylesheetSwitchAll(frameset.frames[i], title);
}
}
function applyTheme(themeName)
{
var id = themeName.getAttribute('id');
var name=id.substring('urn:mozilla.skin.'.length, id.length);
if (!name)
return;
var chromeRegistry = Components.classes["@mozilla.org/chrome/chrome-registry;1"]
.getService(Components.interfaces.nsIXULChromeRegistry);
var oldTheme = false;
try {
oldTheme = !chromeRegistry.checkThemeVersion(name);
}
catch(e) {
}
var str = Components.classes["@mozilla.org/supports-string;1"]
.createInstance(Components.interfaces.nsISupportsString);
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);
if (oldTheme) {
var title = gNavigatorBundle.getString("oldthemetitle");
var message = gNavigatorBundle.getString("oldTheme");
message = message.replace(/%theme_name%/, themeName.getAttribute("displayName"));
message = message.replace(/%brand%/g, gBrandBundle.getString("brandShortName"));
if (promptService.confirm(window, title, message)){
var inUse = chromeRegistry.isSkinSelected(name, true);
chromeRegistry.uninstallSkin( name, true );
// XXX - this sucks and should only be temporary.
str.data = true;
pref.setComplexValue("general.skins.removelist." + name,
Components.interfaces.nsISupportsString, str);
if (inUse)
chromeRegistry.refreshSkins();
}
return;
}
// XXX XXX BAD BAD BAD BAD !! XXX XXX
// we STILL haven't fixed editor skin switch problems
// hacking around it yet again
str.data = name;
pref.setComplexValue("general.skins.selectedSkin", Components.interfaces.nsISupportsString, str);
// shut down quicklaunch so the next launch will have the new skin
var appShell = Components.classes['@mozilla.org/appshell/appShellService;1'].getService();
appShell = appShell.QueryInterface(Components.interfaces.nsIAppShellService);
try {
appShell.nativeAppSupport.isServerMode = false;
}
catch(ex) {
}
if (promptService) {
var dialogTitle = gNavigatorBundle.getString("switchskinstitle");
var brandName = gBrandBundle.getString("brandShortName");
var msg = gNavigatorBundle.getFormattedString("switchskins", [brandName]);
promptService.alert(window, dialogTitle, msg);
}
}
function getNewThemes()
{
loadURI(gBrandRegionBundle.getString("getNewThemesURL"));
}
function URLBarFocusHandler(aEvent)
{
if (gIgnoreFocus)
gIgnoreFocus = false;
else if (gClickSelectsAll)
gURLBar.select();
}
function URLBarMouseDownHandler(aEvent)
{
if (gURLBar.hasAttribute("focused")) {
gIgnoreClick = true;
} else {
gIgnoreFocus = true;
gIgnoreClick = false;
gURLBar.setSelectionRange(0, 0);
}
}
function URLBarClickHandler(aEvent)
{
if (!gIgnoreClick && gClickSelectsAll && gURLBar.selectionStart == gURLBar.selectionEnd)
if (gClickAtEndSelects || gURLBar.selectionStart < gURLBar.value.length)
gURLBar.select();
}
// This function gets the "windows hooks" service and has it check its setting
// This will do nothing on platforms other than Windows.
function checkForDefaultBrowser()
{
const NS_WINHOOKS_CONTRACTID = "@mozilla.org/winhooks;1";
var dialogShown = false;
if (NS_WINHOOKS_CONTRACTID in Components.classes) {
try {
dialogShown = Components.classes[NS_WINHOOKS_CONTRACTID]
.getService(Components.interfaces.nsIWindowsHooks)
.checkSettings(window);
} catch(e) {
}
if (dialogShown)
{
// Force the sidebar to build since the windows
// integration dialog may have come up.
SidebarRebuild();
}
}
}
function ShowAndSelectContentsOfURLBar()
{
var navBar = document.getElementById("nav-bar");
// If it's hidden, show it.
if (navBar.getAttribute("hidden") == "true")
goToggleToolbar('nav-bar','cmd_viewnavbar');
if (gURLBar.value)
gURLBar.select();
else
gURLBar.focus();
}
// If "ESC" is pressed in the url bar, we replace the urlbar's value with the url of the page
// and highlight it, unless it is about:blank, where we reset it to "".
function handleURLBarRevert()
{
var url = getWebNavigation().currentURI.spec;
var throbberElement = document.getElementById("navigator-throbber");
var isScrolling = gURLBar.userAction == "scrolling";
// don't revert to last valid url unless page is NOT loading
// and user is NOT key-scrolling through autocomplete list
if (!throbberElement.hasAttribute("busy") && !isScrolling) {
if (url != "about:blank") {
gURLBar.value = url;
gURLBar.select();
SetPageProxyState("valid", null); // XXX Build a URI and pass it in here.
} else { //if about:blank, urlbar becomes ""
gURLBar.value = "";
}
gBrowser.userTypedValue = null;
}
// tell widget to revert to last typed text only if the user
// was scrolling when they hit escape
return isScrolling;
}
function handleURLBarCommand(aUserAction, aTriggeringEvent)
{
try {
addToUrlbarHistory();
} catch (ex) {
// Things may go wrong when adding url to session history,
// but don't let that interfere with the loading of the url.
}
BrowserLoadURL(aTriggeringEvent);
}
function UpdatePageProxyState()
{
if (gURLBar.value != gLastValidURLStr)
SetPageProxyState("invalid", null);
}
function SetPageProxyState(aState, aURI)
{
if (!gProxyButton)
gProxyButton = document.getElementById("page-proxy-button");
if (!gProxyFavIcon)
gProxyFavIcon = document.getElementById("page-proxy-favicon");
if (!gProxyDeck)
gProxyDeck = document.getElementById("page-proxy-deck");
gProxyButton.setAttribute("pageproxystate", aState);
if (aState == "valid") {
gLastValidURLStr = gURLBar.value;
gURLBar.addEventListener("input", UpdatePageProxyState, false);
if (gBrowser.shouldLoadFavIcon(aURI)) {
var favStr = gBrowser.buildFavIconString(aURI);
if (favStr != gProxyFavIcon.src) {
gBrowser.loadFavIcon(aURI, "src", gProxyFavIcon);
gProxyDeck.selectedIndex = 0;
}
else gProxyDeck.selectedIndex = 1;
}
else {
gProxyDeck.selectedIndex = 0;
gProxyFavIcon.removeAttribute("src");
}
} else if (aState == "invalid") {
gURLBar.removeEventListener("input", UpdatePageProxyState, false);
gProxyDeck.selectedIndex = 0;
}
}
function PageProxyDragGesture(aEvent)
{
if (gProxyButton.getAttribute("pageproxystate") == "valid") {
nsDragAndDrop.startDrag(aEvent, proxyIconDNDObserver);
return true;
}
return false;
}
function handlePageProxyClick(aEvent)
{
switch (aEvent.button) {
case 0:
// bug 52784 - select location field contents
gURLBar.select();
break;
case 1:
// bug 111337 - load url/keyword from clipboard
return middleMousePaste(aEvent);
break;
}
return true;
}
function updateComponentBarBroadcaster()
{
var compBarBroadcaster = document.getElementById('cmd_viewcomponentbar');
var taskBarBroadcaster = document.getElementById('cmd_viewtaskbar');
var compBar = document.getElementById('component-bar');
if (taskBarBroadcaster.getAttribute('checked') == 'true') {
compBarBroadcaster.removeAttribute('disabled');
if (compBar.getAttribute('hidden') != 'true')
compBarBroadcaster.setAttribute('checked', 'true');
}
else {
compBarBroadcaster.setAttribute('disabled', 'true');
compBarBroadcaster.removeAttribute('checked');
}
}
function updateToolbarStates(toolbarMenuElt)
{
if (!gHaveUpdatedToolbarState) {
var mainWindow = document.getElementById("main-window");
if (mainWindow.hasAttribute("chromehidden")) {
gHaveUpdatedToolbarState = true;
var i;
for (i = 0; i < toolbarMenuElt.childNodes.length; ++i)
document.getElementById(toolbarMenuElt.childNodes[i].getAttribute("observes")).removeAttribute("checked");
var toolbars = document.getElementsByTagName("toolbar");
for (i = 0; i < toolbars.length; ++i) {
if (toolbars[i].getAttribute("class").indexOf("chromeclass") != -1)
toolbars[i].setAttribute("hidden", "true");
}
var statusbars = document.getElementsByTagName("statusbar");
for (i = 0; i < statusbars.length; ++i) {
if (statusbars[i].getAttribute("class").indexOf("chromeclass") != -1)
statusbars[i].setAttribute("hidden", "true");
}
mainWindow.removeAttribute("chromehidden");
}
}
updateComponentBarBroadcaster();
const tabbarMenuItem = document.getElementById("menuitem_showhide_tabbar");
// Make show/hide menu item reflect current state
const visibility = gBrowser.getStripVisibility();
tabbarMenuItem.setAttribute("checked", visibility);
// Don't allow the tab bar to be shown/hidden when more than one tab is open
// or when we have 1 tab and the autoHide pref is set
const disabled = gBrowser.browsers.length > 1 ||
pref.getBoolPref("browser.tabs.autoHide");
tabbarMenuItem.setAttribute("disabled", disabled);
}
function showHideTabbar()
{
const visibility = gBrowser.getStripVisibility();
pref.setBoolPref("browser.tabs.forceHide", visibility);
gBrowser.setStripVisibilityTo(!visibility);
}
function BrowserFullScreen()
{
window.fullScreen = !window.fullScreen;
}
function onFullScreen()
{
FullScreen.toggle();
}
function onPopupWindow(aEvent) {
var firstPopup = pref.getBoolPref("privacy.popups.first_popup");
var blockingEnabled = pref.getBoolPref("dom.disable_open_during_load");
if (blockingEnabled) {
pref.setBoolPref("privacy.popups.first_popup", false);
return;
}
if (firstPopup) {
var showDialog = true;
var specialList = "";
try {
specialList = pref.getComplexValue("privacy.popups.default_whitelist",
Components.interfaces.nsIPrefLocalizedString).data;
}
catch(ex) { }
if (specialList) {
hosts = specialList.split(",");
var browser = getBrowserForDocument(aEvent.target);
if (!browser)
return;
var currentHost = browser.currentURI.hostPort;
for (var i = 0; i < hosts.length; i++) {
var nextHost = hosts[i];
if (nextHost == currentHost ||
"."+nextHost == currentHost.substr(currentHost.length - (nextHost.length+1))) {
showDialog = false;
break;
}
}
}
if (showDialog) {
window.openDialog("chrome://communicator/content/aboutPopups.xul", "",
"chrome,centerscreen,dependent", true);
pref.setBoolPref("privacy.popups.first_popup", false);
}
}
}
function onPopupBlocked(aEvent) {
var playSound = pref.getBoolPref("privacy.popups.sound_enabled");
if (playSound) {
var sound = Components.classes["@mozilla.org/sound;1"]
.createInstance(Components.interfaces.nsISound);
var soundUrlSpec = pref.getCharPref("privacy.popups.sound_url");
if (!soundUrlSpec)
sound.beep();
if (soundUrlSpec.substr(0, 7) == "file://") {
var soundUrl = Components.classes["@mozilla.org/network/standard-url;1"]
.createInstance(Components.interfaces.nsIFileURL);
soundUrl.spec = soundUrlSpec;
var file = soundUrl.file;
if (file.exists)
sound.play(soundUrl);
}
else {
sound.playSystemSound(soundUrlSpec);
}
}
var showIcon = pref.getBoolPref("privacy.popups.statusbar_icon_enabled");
if (showIcon) {
var browser = getBrowserForDocument(aEvent.target);
if (browser) {
var hostPort = browser.currentURI.hostPort;
browser.popupDomain = hostPort;
if (browser == getBrowser().selectedBrowser) {
var popupIcon = document.getElementById("popupIcon");
popupIcon.hidden = false;
}
}
}
}
function getBrowserForDocument(doc) {
var browsers = getBrowser().browsers;
for (var i = 0; i < browsers.length; i++) {
if (browsers[i].contentDocument == doc)
return browsers[i];
}
return null;
}
function StatusbarViewPopupManager() {
var hostPort = "";
try {
hostPort = getBrowser().selectedBrowser.currentURI.hostPort;
}
catch(ex) { }
// open whitelist with site prefilled to unblock
window.openDialog("chrome://communicator/content/popupManager.xul", "",
"chrome,resizable=yes", hostPort);
}
function toHistory()
{
toOpenWindowByType("history:manager", "chrome://communicator/content/history/history.xul");
}
function checkTheme()
{
var theSkinKids = document.getElementById("theme");
var chromeRegistry = Components.classes["@mozilla.org/chrome/chrome-registry;1"]
.getService(Components.interfaces.nsIXULChromeRegistry);
for (var i = 0; i < theSkinKids.childNodes.length; ++i) {
var child = theSkinKids.childNodes[i];
var id=child.getAttribute("id");
if (id.length > 0) {
var themeName = id.substring('urn:mozilla:skin:'.length, id.length);
var selected = chromeRegistry.isSkinSelected(themeName, true);
if (selected == Components.interfaces.nsIChromeRegistry.FULL) {
var menuitem=document.getElementById(id);
menuitem.setAttribute("checked", true);
break;
}
}
}
}
// opener may not have been initialized by load time (chrome windows only)
// so call this function some time later.
function maybeInitPopupContext()
{
// it's not a popup with no opener
if (!window.content.opener)
return null;
try {
// are we a popup window?
const CI = Components.interfaces;
var xulwin = window
.QueryInterface(CI.nsIInterfaceRequestor)
.getInterface(CI.nsIWebNavigation)
.QueryInterface(CI.nsIDocShellTreeItem).treeOwner
.QueryInterface(CI.nsIInterfaceRequestor)
.getInterface(CI.nsIXULWindow);
if (xulwin.contextFlags &
CI.nsIWindowCreator2.PARENT_IS_LOADING_OR_RUNNING_TIMEOUT) {
// return our opener's URI
const IOS = Components.classes["@mozilla.org/network/io-service;1"]
.getService(CI.nsIIOService);
var opener = new XPCNativeWrapper(window.content, "opener").opener;
var location = new XPCNativeWrapper(opener, "location").location;
return IOS.newURI(location.href, null, null);
}
} catch(e) {
}
return null;
}
function WindowIsClosing()
{
var browser = getBrowser();
var cn = browser.tabContainer.childNodes;
var numtabs = cn.length;
var reallyClose = true;
if (numtabs > 1) {
var shouldPrompt = pref.getBoolPref("browser.tabs.warnOnClose");
if (shouldPrompt) {
var promptService =
Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
//default to true: if it were false, we wouldn't get this far
var warnOnClose = {value:true};
var buttonPressed = promptService.confirmEx(window,
gNavigatorBundle.getString('tabs.closeWarningTitle'),
gNavigatorBundle.getFormattedString("tabs.closeWarning", [numtabs]),
(promptService.BUTTON_TITLE_IS_STRING * promptService.BUTTON_POS_0)
+ (promptService.BUTTON_TITLE_CANCEL * promptService.BUTTON_POS_1),
gNavigatorBundle.getString('tabs.closeButton'),
null, null,
gNavigatorBundle.getString('tabs.closeWarningPromptMe'),
warnOnClose);
reallyClose = (buttonPressed == 0);
//don't set the pref unless they press OK and it's false
if (reallyClose && !warnOnClose.value) {
pref.setBoolPref("browser.tabs.warnOnClose", false);
}
} //if the warn-me pref was true
} //if multiple tabs are open
for (var i = 0; reallyClose && i < numtabs; ++i) {
var ds = browser.getBrowserForTab(cn[i]).docShell;
if (ds.contentViewer && !ds.contentViewer.permitUnload())
reallyClose = false;
}
return reallyClose;
}
/**
* file upload support
*/
/* This function returns the URI of the currently focused content frame
* or frameset.
*/
function getCurrentURI()
{
const CI = Components.interfaces;
var focusedWindow = document.commandDispatcher.focusedWindow;
var contentFrame = isContentFrame(focusedWindow) ? focusedWindow : window.content;
var nav = contentFrame.QueryInterface(CI.nsIInterfaceRequestor)
.getInterface(CI.nsIWebNavigation);
return nav.currentURI;
}
function uploadFile(fileURL)
{
const CI = Components.interfaces;
var targetBaseURI = getCurrentURI();
// generate the target URI. we use fileURL.file.leafName to get the
// unicode value of the target filename w/o any URI-escaped chars.
// this gives the protocol handler the best chance of generating a
// properly formatted URI spec. we pass null for the origin charset
// parameter since we want the URI to inherit the origin charset
// property from targetBaseURI.
var leafName = fileURL.file.leafName;
const IOS = Components.classes["@mozilla.org/network/io-service;1"]
.getService(CI.nsIIOService);
var targetURI = IOS.newURI(leafName, null, targetBaseURI);
// ok, start uploading...
var dialog = Components.classes["@mozilla.org/progressdialog;1"]
.createInstance(CI.nsIProgressDialog);
var persist = Components.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
.createInstance(CI.nsIWebBrowserPersist);
dialog.init(fileURL, targetURI, leafName, null, Date.now()*1000, persist);
dialog.open(window);
persist.progressListener = dialog;
persist.saveURI(fileURL, null, null, null, null, targetURI);
}
function BrowserUploadFile()
{
try {
uploadFile(selectFileToOpen("uploadFile", "browser.upload."));
} catch (e) {}
}
/* This function is called whenever the file menu is about to be displayed.
* Enable the upload menu item if appropriate. */
function updateFileUploadItem()
{
var canUpload = false;
try {
canUpload = getCurrentURI().schemeIs('ftp');
} catch (e) {}
var item = document.getElementById('Browser:UploadFile');
if (canUpload)
item.removeAttribute('disabled');
else
item.setAttribute('disabled', 'true');
}