gecko-dev/suite/browser/browser.js

286 lines
8.4 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>
* Samir Gehani <sgehani@netscape.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 nsIWebNavigation = Components.interfaces.nsIWebNavigation;
var gPrintSettingsAreGlobal = true;
var gSavePrintSettings = true;
var gChromeState = null; // chrome state before we went into print preview
var gInPrintPreviewMode = false;
function getWebNavigation()
{
try {
return getBrowser().webNavigation;
} catch (e) {
return null;
}
}
function BrowserReloadWithFlags(reloadFlags)
{
/* First, we'll try to use the session history object to reload so
* that framesets are handled properly. If we're in a special
* window (such as view-source) that has no session history, fall
* back on using the web navigation's reload method.
*/
var webNav = getWebNavigation();
try {
var sh = webNav.sessionHistory;
if (sh)
webNav = sh.QueryInterface(Components.interfaces.nsIWebNavigation);
} catch (e) {
}
try {
webNav.reload(reloadFlags);
} catch (e) {
}
}
function toggleAffectedChrome(aHide)
{
// chrome to toggle includes:
// (*) menubar
// (*) navigation bar
// (*) personal toolbar
// (*) tab browser ``strip''
// (*) sidebar
// (*) statusbar
if (!gChromeState)
gChromeState = new Object;
var statusbar = document.getElementById("status-bar");
var navToolbox = document.getElementById("navigator-toolbox");
navToolbox.hidden = aHide;
var theTabbrowser = document.getElementById("content");
// sidebar states map as follows:
// was-hidden => hide/show nothing
// was-collapsed => hide/show only the splitter
// was-shown => hide/show the splitter and the box
if (aHide)
{
// going into print preview mode
if (sidebar_is_collapsed())
{
gChromeState.sidebar = "was-collapsed";
}
else if (sidebar_is_hidden())
gChromeState.sidebar = "was-hidden";
else
{
gChromeState.sidebar = "was-visible";
}
document.getElementById("sidebar-box").hidden = true;
document.getElementById("sidebar-splitter").hidden = true;
// deal with tab browser
gChromeState.hadTabStrip = theTabbrowser.getStripVisibility();
theTabbrowser.setStripVisibilityTo(false);
// deal with the Status Bar
gChromeState.statusbarWasHidden = statusbar.hidden;
statusbar.hidden = true;
}
else
{
// restoring normal mode (i.e., leaving print preview mode)
if (gChromeState.sidebar == "was-collapsed" ||
gChromeState.sidebar == "was-visible")
document.getElementById("sidebar-splitter").hidden = false;
if (gChromeState.sidebar == "was-visible")
document.getElementById("sidebar-box").hidden = false;
// restore tab browser
theTabbrowser.setStripVisibilityTo(gChromeState.hadTabStrip);
// restore the Status Bar
statusbar.hidden = gChromeState.statusbarWasHidden;
}
// if we are unhiding and sidebar used to be there rebuild it
if (!aHide && gChromeState.sidebar == "was-visible")
SidebarRebuild();
}
function onEnterPrintPreview()
{
toggleAffectedChrome(true);
gInPrintPreviewMode = true;
}
function onExitPrintPreview()
{
gInPrintPreviewMode = false;
// restore chrome to original state
toggleAffectedChrome(false);
}
function getEngineWebBrowserPrint()
{
return content.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebBrowserPrint);
}
function getNavToolbox()
{
return document.getElementById("navigator-toolbox");
}
function getPPBrowser()
{
return document.getElementById("browser");
}
function BrowserPrintPreview()
{
PrintUtils.printPreview(onEnterPrintPreview, onExitPrintPreview);
}
function BrowserSetDefaultCharacterSet(aCharset)
{
// no longer needed; set when setting Force; see bug 79608
}
function BrowserSetForcedCharacterSet(aCharset)
{
var docCharset = getBrowser().docShell.QueryInterface(
Components.interfaces.nsIDocCharset);
docCharset.charset = aCharset;
BrowserReloadWithFlags(nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
}
function BrowserSetForcedDetector(doReload)
{
getBrowser().documentCharsetInfo.forcedDetector = true;
if (doReload)
BrowserReloadWithFlags(nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
}
var gFindInstData;
function getFindInstData()
{
if (!gFindInstData) {
gFindInstData = new nsFindInstData();
gFindInstData.browser = getBrowser();
// defaults for rootSearchWindow and currentSearchWindow are fine here
}
return gFindInstData;
}
function BrowserFind()
{
findInPage(getFindInstData());
}
function BrowserFindAgain(reverse)
{
findAgainInPage(getFindInstData(), reverse);
}
function BrowserCanFindAgain()
{
return canFindAgainInPage();
}
function getMarkupDocumentViewer()
{
return getBrowser().markupDocumentViewer;
}
/**
* 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)
{
var retVal = false;
if (tipElement.namespaceURI == "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul")
return retVal;
const XLinkNS = "http://www.w3.org/1999/xlink";
var titleText = null;
var XLinkTitleText = null;
var direction = tipElement.ownerDocument.dir;
while (!titleText && !XLinkTitleText && tipElement) {
if (tipElement.nodeType == Node.ELEMENT_NODE) {
titleText = tipElement.getAttribute("title");
XLinkTitleText = tipElement.getAttributeNS(XLinkNS, "title");
var defView = tipElement.ownerDocument.defaultView;
// XXX Work around bug 350679:
// "Tooltips can be fired in documents with no view".
if (!defView)
return retVal;
direction = defView.getComputedStyle(tipElement, "")
.getPropertyValue("direction");
}
tipElement = tipElement.parentNode;
}
var texts = [titleText, XLinkTitleText];
var tipNode = document.getElementById("aHTMLTooltip");
tipNode.style.direction = direction;
for (var i = 0; i < texts.length; ++i) {
var t = texts[i];
if (t && t.search(/\S/) >= 0) {
// XXX - Short-term fix to bug 67127: collapse whitespace here
tipNode.setAttribute("label", t.replace(/\s+/g, " ") );
retVal = true;
}
}
return retVal;
}