gecko-dev/suite/browser/navigator.js

1365 lines
40 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Blake Ross <blakeross@telocity.com>
* Peter Annema <disttsc@bart.nl>
*/
const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
var gURLBar = null;
var gNavigatorBundle;
var gBrandBundle;
var gNavigatorRegionBundle;
var gBrandRegionBundle;
var pref = Components.classes["@mozilla.org/preferences;1"]
.getService(Components.interfaces.nsIPref);
var appCore = null;
//cached elements/fields
var gBrowser = null;
var statusTextFld = null;
var statusMeter = null;
var throbberElement = null;
var stopButton = null;
var stopMenu = null;
var stopContext = null;
// focused frame URL
var gFocusedURL = null;
/**
* 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.target == _content.document) {
UpdateBookmarksLastVisitedDate(event);
UpdateInternetSearchResults(event);
checkForDirectoryListing();
getContentAreaFrameCount();
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.frames.length || !isDocumentFrame(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 = document.commandDispatcher.focusedWindow;
if (isDocumentFrame(focusedWindow)) {
gFocusedURL = focusedWindow.location.href;
var saveFrameItem = document.getElementById("savepage");
saveFrameItem.removeAttribute("hidden");
}
}
//////////////////////////////// BOOKMARKS ////////////////////////////////////
function UpdateBookmarksLastVisitedDate(event)
{
// XXX This somehow causes a big leak, back to the old way
// till we figure out why. See bug 61886.
// var url = getWebNavigation().currentURI.spec;
var url = _content.location.href;
if (url) {
// if the URL is bookmarked, update its "Last Visited" date
var bmks = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIBookmarksService);
bmks.UpdateBookmarkLastVisitedDate(url, _content.document.characterSet);
}
}
function UpdateInternetSearchResults(event)
{
// XXX This somehow causes a big leak, back to the old way
// till we figure out why. See bug 61886.
// var url = getWebNavigation().currentURI.spec;
var url = _content.location.href;
if (url) {
try {
var search = Components.classes["@mozilla.org/rdf/datasource;1?name=internetsearch"]
.getService(Components.interfaces.nsIInternetSearchService);
var searchInProgressFlag = search.FindInternetSearchResults(url);
if (searchInProgressFlag) {
var autoOpenSearchPanel = pref.GetBoolPref("browser.search.opensidebarsearchpanel");
if (autoOpenSearchPanel)
RevealSearchPanel();
}
} catch (ex) {
}
}
}
function nsXULBrowserWindow()
{
this.defaultStatus = gNavigatorBundle.getString("defaultStatus");
}
nsXULBrowserWindow.prototype =
{
useRealProgressFlag : false,
totalRequests : 0,
finishedRequests : 0,
// Stored Status, Link and Loading values
status : "",
defaultStatus : "",
jsStatus : "",
jsDefaultStatus : "",
overLink : "",
startTime : 0,
statusTimeoutInEffect : false,
hideAboutBlank : true,
QueryInterface : function(iid)
{
if (iid.equals(Components.interfaces.nsIXULBrowserWindow))
return this;
throw Components.results.NS_NOINTERFACE;
},
setJSStatus : function(status)
{
this.jsStatus = status;
this.updateStatusField();
// set empty so defaults show up next change
this.jsStatus = "";
},
setJSDefaultStatus : function(status)
{
this.jsDefaultStatus = status;
this.updateStatusField();
},
setDefaultStatus : function(status)
{
this.defaultStatus = status;
this.updateStatusField();
},
setOverLink : function(link, b)
{
this.overLink = link;
this.updateStatusField();
// set empty so defaults show up next change
this.overLink = "";
},
updateStatusField : function()
{
var text = this.overLink || this.status || this.jsStatus || this.jsDefaultStatus || this.defaultStatus;
if (!statusTextFld)
statusTextFld = document.getElementById("statusbar-display");
// check the current value so we don't trigger an attribute change
// and cause needless (slow!) UI updates
if (statusTextFld.getAttribute("value") != text) {
statusTextFld.setAttribute("value", text);
}
},
onProgress : function (request, current, max)
{
if (!this.useRealProgressFlag && request)
return;
if (!statusMeter)
statusMeter = document.getElementById("statusbar-icon");
if (max > 0) {
statusMeter.mode = "normal";
// This is highly optimized. Don't touch this code unless
// you are intimately familiar with the cost of setting
// attrs on XUL elements. -- hyatt
var percentage = (current * 100) / max ;
statusMeter.value = percentage;
} else {
statusMeter.mode = "undetermined";
}
},
onStateChange : function(request, state)
{
const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
if (!throbberElement)
throbberElement = document.getElementById("navigator-throbber");
if (!statusMeter)
statusMeter = document.getElementById("statusbar-icon");
if (!stopButton)
stopButton = document.getElementById("stop-button");
if (!stopMenu)
stopMenu = document.getElementById("menuitem-stop");
if (!stopContext)
stopContext = document.getElementById("context-stop");
if (state & nsIWebProgressListener.STATE_START) {
if (state & nsIWebProgressListener.STATE_IS_NETWORK) {
// Remember when loading commenced.
this.startTime = (new Date()).getTime();
// Turn progress meter on.
statusMeter.mode = "undetermined";
throbberElement.setAttribute("busy", true);
// XXX: These need to be based on window activity...
stopButton.setAttribute("disabled", false);
stopMenu.setAttribute("disabled", false);
stopContext.setAttribute("disabled", false);
// Initialize the progress stuff...
this.useRealProgressFlag = false;
this.totalRequests = 0;
this.finishedRequests = 0;
}
if (state & nsIWebProgressListener.STATE_IS_REQUEST) {
this.totalRequests += 1;
}
}
else if (state & nsIWebProgressListener.STATE_STOP) {
if (state & nsIWebProgressListener.STATE_IS_REQUEST) {
this.finishedRequests += 1;
if (!this.useRealProgressFlag)
this.onProgress(null, this.finishedRequests, this.totalRequests);
}
if (state & nsIWebProgressListener.STATE_IS_NETWORK) {
var channel = request.QueryInterface(Components.interfaces.nsIChannel);
var location = channel.URI.spec;
var msg = "";
if (location != "about:blank") {
// Record page loading time.
var elapsed = ((new Date()).getTime() - this.startTime) / 1000;
msg = gNavigatorBundle.getString("nv_done");
msg = msg.replace(/%elapsed%/, elapsed);
}
this.status = "";
this.setDefaultStatus(msg);
// Turn progress meter off.
statusMeter.mode = "normal";
statusMeter.value = 0; // be sure to clear the progress bar
throbberElement.removeAttribute("busy");
// XXX: These need to be based on window activity...
stopButton.setAttribute("disabled", true);
stopMenu.setAttribute("disabled", true);
stopContext.setAttribute("disabled", true);
}
}
else if (state & nsIWebProgressListener.STATE_TRANSFERRING) {
if (state & nsIWebProgressListener.STATE_IS_DOCUMENT) {
var channel = request.QueryInterface(Components.interfaces.nsIChannel);
var ctype=channel.contentType;
if (ctype != "text/html")
this.useRealProgressFlag = true;
statusMeter.mode = "normal";
}
if (state & nsIWebProgressListener.STATE_IS_REQUEST) {
if (!this.useRealProgressFlag)
this.onProgress(null, this.finishedRequests, this.totalRequests);
}
}
},
onLocationChange : function(location)
{
if (this.hideAboutBlank) {
this.hideAboutBlank = false;
if (location == "about:blank")
location = "";
}
// We should probably not do this if the value has changed since the user
// searched
document.getElementById("urlbar").value = location;
UpdateBackForwardButtons();
},
onStatus : function(request, status, msg)
{
if (!this.statusTimeoutInEffect) {
this.statusTimeoutInEffect = true;
this.status = msg;
this.updateStatusField();
setTimeout(updateStatus, 400);
}
}
}
function updateStatus()
{
window.XULBrowserWindow.statusTimeoutInEffect = false;
}
function getBrowser()
{
if (!gBrowser)
gBrowser = document.getElementById("content");
return gBrowser;
}
function getWebNavigation()
{
try {
return getBrowser().webNavigation;
} catch (e) {
return null;
}
}
function getMarkupDocumentViewer()
{
return getBrowser().markupDocumentViewer;
}
function getHomePage()
{
var url;
try {
url = pref.getLocalizedUnicharPref("browser.startup.homepage");
} catch (e) {
}
// use this if we can't find the pref
if (!url)
url = gNavigatorRegionBundle.getString("homePageDefault");
return url;
}
function UpdateBackForwardButtons()
{
var backBroadcaster = document.getElementById("canGoBack");
var forwardBroadcaster = document.getElementById("canGoForward");
var webNavigation = getWebNavigation();
backBroadcaster.setAttribute("disabled", !webNavigation.canGoBack);
forwardBroadcaster.setAttribute("disabled", !webNavigation.canGoForward);
}
function nsButtonPrefListener()
{
try {
pref.addObserver(this.domain, this);
} catch(ex) {
dump("Failed to observe prefs: " + ex + "\n");
}
}
// implements nsIObserver
nsButtonPrefListener.prototype =
{
domain: "browser.toolbars.showbutton",
Observe: function(subject, topic, prefName)
{
// verify that we're changing a button pref
if (topic != "nsPref:changed") return;
if (prefName.substr(0, this.domain.length) != this.domain) return;
var buttonName = prefName.substr(this.domain.length+1);
var buttonId = buttonName + "-button";
var button = document.getElementById(buttonId);
var show = pref.GetBoolPref(prefName);
if (show)
button.setAttribute("hidden","false");
else
button.setAttribute("hidden", "true");
}
}
function Startup()
{
gNavigatorBundle = document.getElementById("bundle_navigator");
gBrandBundle = document.getElementById("bundle_brand");
gNavigatorRegionBundle = document.getElementById("bundle_navigator_region");
gBrandRegionBundle = document.getElementById("bundle_brand_region");
window.XULBrowserWindow = new nsXULBrowserWindow();
window.buttonPrefListener = new nsButtonPrefListener();
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 Components.results.NS_ERROR_FAILURE;
webNavigation = getWebNavigation();
if (!webNavigation)
throw Components.results.NS_ERROR_FAILURE;
} catch (e) {
alert("Error creating browser instance");
window.close(); // Give up.
return;
}
_content.appCore = appCore;
// Initialize browser instance..
appCore.setWebShellWindow(window);
gURLBar = document.getElementById("urlbar");
// set the offline/online mode
setOfflineStatus();
// 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);
// 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
BrowserSetDefaultCharacterSet(arrayArgComponents[1]);
}
}
}
try {
var searchMode = pref.GetIntPref("browser.search.mode");
setBrowserSearchMode(searchMode);
} catch (ex) {
}
// set home button tooltip text
var homePage = getHomePage();
if (homePage)
document.getElementById("home-button").setAttribute("tooltiptext", homePage);
//initConsoleListener();
// 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 startPage;
if (!appCore.cmdLineURLUsed) {
var cmdLineService = Components.classes["@mozilla.org/appshell/commandLineService;1"]
.getService(Components.interfaces.nsICmdLineService);
startPage = cmdLineService.URLToLoad;
if (!startPage) {
var cmdLineHandler = Components.classes["@mozilla.org/commandlinehandler/general-startup;1?type=browser"]
.getService(Components.interfaces.nsICmdLineHandler);
startPage = cmdLineHandler.defaultArgs;
}
appCore.cmdLineURLUsed = true;
}
if (!startPage) {
// Check for window.arguments[0]. If present, use that for startPage.
if ("arguments" in window && window.arguments.length >= 1 && window.arguments[0])
startPage = window.arguments[0];
}
if (startPage)
loadURI(startPage);
// Focus the content area if the caller instructed us to.
if ("arguments" in window && window.arguments.length >= 3 && window.arguments[2] == true)
_content.focus();
else
gURLBar.focus();
// Perform default browser checking.
checkForDefaultBrowser();
}
}
function Shutdown()
{
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();
} catch (ex) {
}
try {
// give history a chance at flushing to disk also
var history = Components.classes["@mozilla.org/browser/global-history;1"]
.getService(Components.interfaces.nsIRDFRemoteDataSource);
history.Flush();
} catch (ex) {
}
// unregister us as a pref listener
pref.removeObserver(window.buttonPrefListener.domain,
window.buttonPrefListener);
// Close the app core.
if (appCore)
appCore.close();
}
function Translate()
{
var service = "http://cgi.netscape.com/cgi-bin/translate.cgi?AlisUI=simple_frames/ns_home";
// if we're already viewing a translated page, then just get the
// last argument (which we expect to always be "AlisTargetURI")
// XXX This somehow causes a big leak, back to the old way
// till we figure out why. See bug 61886.
// var targetURI = getWebNavigation().currentURI.spec;
var targetURI = _content.location.href;
var targetURIIndex = targetURI.indexOf("AlisTargetURI=");
if (targetURIIndex >= 0)
targetURI = targetURI.substring(targetURIIndex + 14);
service += "&AlisTargetURI=" + escape(targetURI);
loadURI(service);
}
function gotoHistoryIndex(aEvent)
{
var index = aEvent.target.getAttribute("index");
if (!index)
return false;
try {
getWebNavigation().gotoIndex(index);
}
catch(ex) {
return false;
}
return true;
}
function BrowserBack()
{
try {
getWebNavigation().goBack();
}
catch(ex) {
}
UpdateBackForwardButtons();
}
function BrowserForward()
{
try {
getWebNavigation().goForward();
}
catch(ex) {
}
UpdateBackForwardButtons();
}
function BrowserBackMenu(event)
{
FillHistoryMenu(event.target, "back");
}
function BrowserForwardMenu(event)
{
FillHistoryMenu(event.target, "forward");
}
function BrowserStop()
{
try {
getWebNavigation().stop();
}
catch(ex) {
}
}
function BrowserReload()
{
const reloadFlags = nsIWebNavigation.LOAD_FLAGS_NONE;
try {
getWebNavigation().reload(reloadFlags);
}
catch(ex) {
}
}
function BrowserReloadSkipCache()
{
// Bypass proxy and cache.
const reloadFlags = nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE;
try {
getWebNavigation().reload(reloadFlags);
}
catch(ex) {
}
}
function BrowserHome()
{
var homePage = getHomePage();
loadURI(homePage);
}
function OpenBookmarkURL(node, datasources)
{
if (node.getAttribute("container") == "true")
return;
var url = node.getAttribute("id");
try {
// add support for IE favorites under Win32, and NetPositive URLs under BeOS
if (datasources) {
var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"]
.getService(Components.interfaces.nsIRDFService);
var src = rdf.GetResource(url, true);
var prop = rdf.GetResource("http://home.netscape.com/NC-rdf#URL", true);
var target = datasources.GetTarget(src, prop, true);
if (target) {
target = target.QueryInterface(Components.interfaces.nsIRDFLiteral).Value;
if (target)
url = target;
}
}
} catch (ex) {
return;
}
// Ignore "NC:" urls.
if (url.substring(0, 3) == "NC:")
return;
// Check if we have a browser window
if (_content)
loadURI(url);
else
openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url);
}
function OpenSearch(tabName, forceDialogFlag, searchStr)
{
//This function needs to be split up someday.
var autoOpenSearchPanel = false;
var defaultSearchURL = null;
var fallbackDefaultSearchURL = gNavigatorRegionBundle.getString("fallbackDefaultSearchURL");
// XXX This somehow causes a big leak, back to the old way
// till we figure out why. See bug 61886.
// var url = getWebNavigation().currentURI.spec;
var url = _content.location.href;
//Check to see if search string contains "://" or ".".
//If it does treat as url and match for pattern
var urlmatch= /:\/\/|\./ ;
var result = urlmatch.test(searchStr);
try {
autoOpenSearchPanel = pref.GetBoolPref("browser.search.opensidebarsearchpanel");
defaultSearchURL = pref.getLocalizedUnicharPref("browser.search.defaulturl");
} catch (ex) {
}
// Fallback to a default url (one that we can get sidebar search results for)
if (!defaultSearchURL)
defaultSearchURL = fallbackDefaultSearchURL;
//Check to see if content url equals url in location bar.
//If they match then go to default search URL engine
if ((!searchStr || searchStr == url)) {
if (defaultSearchURL != fallbackDefaultSearchURL)
loadURI(defaultSearchURL);
else
loadURI(gNavigatorRegionBundle.getString("otherSearchURL"));
} 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 (result) {
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/rdf/datasource;1?name=window-mediator"]
.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 = escape(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.CopyCharPref("browser.search.defaultengine");
if (searchEngineURI) {
var searchURL = searchDS.GetInternetSearchURL(searchEngineURI, escapedSearchStr);
if (searchURL)
defaultSearchURL = searchURL;
}
} catch (ex) {
}
loadURI(defaultSearchURL);
}
}
}
}
// should we try and open up the sidebar to show the "Search Results" panel?
if (autoOpenSearchPanel)
RevealSearchPanel();
}
function setBrowserSearchMode(searchMode)
{
// set search mode preference
try {
pref.SetIntPref("browser.search.mode", searchMode);
} catch (ex) {
}
// update search menu
var simpleMenuItem = document.getElementById("simpleSearch");
simpleMenuItem.setAttribute("checked", (searchMode == 0) ? "true" : "false");
var advancedMenuItem = document.getElementById("advancedSearch");
advancedMenuItem.setAttribute("checked", (searchMode == 1) ? "true" : "false");
}
function RevealSearchPanel()
{
var searchPanel = document.getElementById("urn:sidebar:panel:search");
if (searchPanel)
SidebarSelectPanel(searchPanel, true, true); // lives in sidebarOverlay.js
}
//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);
}
/* 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);
}
function BrowserOpenFileWindow()
{
// Get filepicker component.
try {
const nsIFilePicker = Components.interfaces.nsIFilePicker;
var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
fp.init(window, gNavigatorBundle.getString("openFile"), nsIFilePicker.modeOpen);
fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText | nsIFilePicker.filterImages |
nsIFilePicker.filterXML | nsIFilePicker.filterHTML);
if (fp.show() == nsIFilePicker.returnOK)
openTopWin(fp.fileURL.spec);
} catch (ex) {
}
}
// Set up a lame hack to avoid opening two bookmarks.
// Could otherwise happen with two Ctrl-B's in a row.
var gDisableBookmarks = false;
function enableBookmarks()
{
gDisableBookmarks = false;
}
function BrowserEditBookmarks()
{
// Use a single sidebar bookmarks dialog
var windowManager = Components.classes["@mozilla.org/rdf/datasource;1?name=window-mediator"]
.getService(Components.interfaces.nsIWindowMediator);
var bookmarksWindow = windowManager.getMostRecentWindow("bookmarks:manager");
if (bookmarksWindow) {
bookmarksWindow.focus();
} else {
// while disabled, don't open new bookmarks window
if (!gDisableBookmarks) {
gDisableBookmarks = true;
open("chrome://communicator/content/bookmarks/bookmarks.xul", "_blank", "chrome,menubar,resizable,scrollbars");
setTimeout(enableBookmarks, 2000);
}
}
}
function BrowserPrintPreview()
{
// implement me
}
function BrowserPrint()
{
// using _content.print() until printing becomes scriptable on docShell
try {
_content.print();
} catch (e) {
// Pressing cancel is expressed as an NS_ERROR_FAILURE return value,
// causing an exception to be thrown which we catch here.
// Unfortunately this will also consume helpful failures, so add a
// dump(e); // if you need to debug
}
}
function BrowserSetDefaultCharacterSet(aCharset)
{
appCore.setDefaultCharacterSet(aCharset); //XXXjag see bug 67442
BrowserReload();
}
function BrowserSetForcedCharacterSet(aCharset)
{
var charsetConverterManager = Components.classes["@mozilla.org/charset-converter-manager;1"]
.getService(Components.interfaces.nsICharsetConverterManager2);
var characterSet = charsetConverterManager.GetCharsetAtom(aCharset);
getBrowser().documentCharsetInfo.forcedCharset = characterSet;
}
function BrowserSetForcedDetector()
{
getBrowser().documentCharsetInfo.forcedDetector = true;
}
function BrowserClose()
{
// 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 BrowserFind() {
appCore.find();
}
function BrowserFindAgain() {
appCore.findNext();
}
function loadURI(uri)
{
try {
getWebNavigation().loadURI(uri, nsIWebNavigation.LOAD_FLAGS_NONE);
} catch (e) {
}
}
function BrowserLoadURL()
{
var url = gURLBar.value;
loadURI(getShortcutOrURI(url));
_content.focus();
}
function getShortcutOrURI(url)
{
// rjc: added support for URL shortcuts (3/30/1999)
try {
var bmks = Components.classes["@mozilla.org/browser/bookmarks-service;1"]
.getService(Components.interfaces.nsIBookmarksService);
var shortcutURL = bmks.FindShortcut(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 = bmks.FindShortcut(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");
clipboard.getData(trans, clipboard.kSelectionClipboard);
var data = {};
var dataLen = {};
trans.getTransferData("text/unicode", data, dataLen);
if (data) {
data = data.value.QueryInterface(Components.interfaces.nsISupportsWString);
url = data.data.substring(0, dataLen.value / 2);
}
} catch (ex) {
}
return url;
}
function OpenMessenger()
{
open("chrome://messenger/content/messenger.xul", "_blank", "chrome,menubar,toolbar,resizable");
}
function OpenAddressbook()
{
open("chrome://messenger/content/addressbook/addressbook.xul", "_blank", "chrome,menubar,toolbar,resizable");
}
function BrowserViewSource()
{
var focusedWindow = document.commandDispatcher.focusedWindow;
if (focusedWindow == window)
focusedWindow = _content;
dump("focusedWindow = " + focusedWindow + "\n");
if (focusedWindow)
var docCharset = "charset=" + focusedWindow.document.characterSet;
//now try to open a view-source window while inheriting the charset (if any)
openDialog("chrome://navigator/content/viewSource.xul",
"_blank",
"scrollbars,resizable,chrome,dialog=no",
_content.location, docCharset);
}
// doc=null for regular page, doc=owner document for frame.
function BrowserPageInfo(doc)
{
window.openDialog("chrome://navigator/content/pageInfo.xul",
"_blank",
"chrome,dialog=no",
doc);
}
function hiddenWindowStartup()
{
// Disable menus which are not appropriate
var disabledItems = ['cmd_close', 'Browser:SendPage', 'Browser:EditPage', 'Browser:PrintSetup', 'Browser:PrintPreview',
'Browser:Print', 'canGoBack', 'canGoForward', 'Browser:Home', 'Browser:AddBookmark', 'cmd_undo',
'cmd_redo', 'cmd_cut', 'cmd_copy','cmd_paste', 'cmd_delete', 'cmd_selectAll'];
for (id in disabledItems) {
var broadcaster = document.getElementById(disabledItems[id]);
if (broadcaster)
broadcaster.setAttribute("disabled", "true");
}
}
// Initialize the LeakDetector class.
function LeakDetector(verbose)
{
this.verbose = verbose;
}
try {
LeakDetector.prototype = Components.classes["@mozilla.org/xpcom/leakdetector;1"]
.createInstance(Components.interfaces.nsILeakDetector);
} catch (err) {
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.value = 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;
}
var urlWidgetService = null;
try {
urlWidgetService = Components.classes["@mozilla.org/urlwidget;1"]
.getService(Components.interfaces.nsIUrlWidget);
} catch (ex) {
}
//Posts the currently displayed url to a native widget so third-party apps can observe it.
function postURLToNativeWidget()
{
if (urlWidgetService) {
// XXX This somehow causes a big leak, back to the old way
// till we figure out why. See bug 61886.
// var url = getWebNavigation().currentURI.spec;
var url = _content.location.href;
try {
urlWidgetService.SetURLToHiddenControl(url, window);
} catch(ex) {
}
}
}
function checkForDirectoryListing()
{
if ( "HTTPIndex" in _content &&
_content.HTTPIndex instanceof Components.interfaces.nsIHTTPIndex ) {
_content.defaultCharacterset = getMarkupDocumentViewer().defaultCharacterSet;
_content.parentWindow = window;
}
}
/**
* Content area tooltip.
* XXX - this must move into XBL binding/equiv! Do not want to pollute
* navigator.js with functionality that can be encapsulated into
* browser widget. TEMPORARY!
*
* NOTE: Any changes to this routine need to be mirrored in ChromeListener::FindTitleText()
* (located in mozilla/embedding/browser/webBrowser/nsDocShellTreeOwner.cpp)
* which performs the same function, but for embedded clients that
* don't use a XUL/JS layer. It is important that the logic of
* these two routines be kept more or less in sync.
* (pinkerton)
**/
function FillInHTMLTooltip(tipElement)
{
const XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const XLinkNS = "http://www.w3.org/1999/xlink";
const Node = { ELEMENT_NODE : 1 }; // XXX Components.interfaces.Node;
var retVal = false;
var tipNode = document.getElementById("HTML_TOOLTIP_tooltipBox");
try {
while (tipNode.hasChildNodes())
tipNode.removeChild(tipNode.firstChild);
var titleText = "";
var XLinkTitleText = "";
while (!titleText && !XLinkTitleText && tipElement) {
if (tipElement.nodeType == Node.ELEMENT_NODE) {
titleText = tipElement.getAttribute("title");
XLinkTitleText = tipElement.getAttributeNS(XLinkNS, "title");
}
tipElement = tipElement.parentNode;
}
var texts = [titleText, XLinkTitleText];
for (var i = 0; i < texts.length; ++i) {
var t = texts[i];
if (t.search(/\S/) >= 0) {
var tipLineElem = tipNode.ownerDocument.createElementNS(XULNS, "text");
tipLineElem.setAttribute("value", t);
tipNode.appendChild(tipLineElem);
retVal = true;
}
}
} catch (e) {
}
return retVal;
}
/**
* Use Stylesheet functions.
* Written by Tim Hill (bug 6782)
**/
function stylesheetFillPopup(forDocument, menuPopup, itemNoOptStyles)
{
var children = menuPopup.childNodes;
var i;
for (i = 0; i < children.length; ++i) {
var child = children[i];
if (child.getAttribute("class") == "authssmenuitem")
menuPopup.removeChild(child);
}
var noOptionalStyles = true;
var styleSheets = forDocument.styleSheets;
var currentStyleSheets = [];
for (i = 0; i < styleSheets.length; ++i) {
var currentStyleSheet = styleSheets[i];
if (currentStyleSheet.title) {
if (!currentStyleSheet.disabled)
noOptionalStyles = false;
var lastWithSameTitle;
if (currentStyleSheet.title in currentStyleSheets)
lastWithSameTitle = currentStyleSheets[currentStyleSheet.title];
if (!lastWithSameTitle) {
var menuItem = document.createElement("menuitem");
menuItem.setAttribute("value", currentStyleSheet.title);
menuItem.setAttribute("data", currentStyleSheet.title);
menuItem.setAttribute("type", "radio");
menuItem.setAttribute("checked", !currentStyleSheet.disabled);
menuItem.setAttribute("class", "authssmenuitem");
menuItem.setAttribute("name", "authorstyle");
menuItem.setAttribute("oncommand", "stylesheetSwitch(_content.document, this.getAttribute('data'))");
menuPopup.appendChild(menuItem);
currentStyleSheets[currentStyleSheet.title] = menuItem;
} else {
if (currentStyleSheet.disabled)
lastWithSameTitle.setAttribute("checked", false);
}
}
}
itemNoOptStyles.setAttribute("checked", noOptionalStyles);
}
function stylesheetSwitch(forDocument, title)
{
var docStyleSheets = forDocument.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 applyTheme(themeName)
{
var chromeRegistry = Components.classes["@mozilla.org/chrome/chrome-registry;1"]
.getService(Components.interfaces.nsIChromeRegistry);
chromeRegistry.selectSkin(themeName.getAttribute("name"), true);
chromeRegistry.refreshSkins();
}
function getNewThemes()
{
loadURI(gBrandRegionBundle.getString("getNewThemesURL"));
}
function URLBarLeftClickHandler(aEvent)
{
if (pref.GetBoolPref("browser.urlbar.clickSelectsAll")) {
var URLBar = aEvent.target;
URLBar.setSelectionRange(0, URLBar.value.length);
}
}
function URLBarBlurHandler(aEvent)
{
if (pref.GetBoolPref("browser.urlbar.clickSelectsAll")) {
var URLBar = aEvent.target;
URLBar.setSelectionRange(0, 0);
}
}
// This function gets the "windows hooks" service and has it check its setting
// This will do nothing on platforms other than Windows.
function checkForDefaultBrowser()
{
try {
Components.classes["@mozilla.org/winhooks;1"]
.getService(Components.interfaces.nsIWindowsHooks)
.checkSettings(window);
} catch(e) {
}
}