@qooxdoo/framework
Version:
The JS Framework for Coders
191 lines (164 loc) • 7.09 kB
JavaScript
/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2008 1&1 Internet AG, Germany, http://www.1und1.de
License:
MIT: https://opensource.org/licenses/MIT
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
======================================================================
This class contains code based on the following work:
* Yahoo! UI Library
http://developer.yahoo.com/yui
Version 2.2.0
Copyright:
(c) 2007, Yahoo! Inc.
License:
BSD: http://developer.yahoo.com/yui/license.txt
----------------------------------------------------------------------
http://developer.yahoo.com/yui/license.html
Copyright (c) 2009, Yahoo! Inc.
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Yahoo! Inc. nor the names of its contributors
may be used to endorse or promote products derived from this
software without specific prior written permission of Yahoo! Inc.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
************************************************************************ */
/**
* Includes library functions to work with the current document.
*/
qx.Bootstrap.define("qx.bom.Document",
{
statics :
{
/**
* Whether the document is in quirks mode (e.g. non XHTML, HTML4 Strict or missing doctype)
*
* @signature function(win)
* @param win {Window?window} The window to query
* @return {Boolean} true when containing document is in quirks mode
*/
isQuirksMode : qx.core.Environment.select("engine.name",
{
"mshtml" : function(win)
{
if(qx.core.Environment.get("engine.version") >= 8) {
return (win||window).document.documentMode === 5;
} else {
return (win||window).document.compatMode !== "CSS1Compat";
}
},
"webkit" : function(win)
{
if (document.compatMode === undefined)
{
var el = (win||window).document.createElement("div");
el.style.cssText = "position:absolute;width:0;height:0;width:1";
return el.style.width === "1px" ? true : false;
} else {
return (win||window).document.compatMode !== "CSS1Compat";
}
},
"default" : function(win) {
return (win||window).document.compatMode !== "CSS1Compat";
}
}),
/**
* Whether the document is in standard mode (e.g. XHTML, HTML4 Strict or doctype defined)
*
* @param win {Window?window} The window to query
* @return {Boolean} true when containing document is in standard mode
*/
isStandardMode : function(win) {
return !this.isQuirksMode(win);
},
/**
* Returns the width of the document.
*
* Internet Explorer in standard mode stores the proprietary <code>scrollWidth</code> property
* on the <code>documentElement</code>, but in quirks mode on the body element. All
* other known browsers simply store the correct value on the <code>documentElement</code>.
*
* If the viewport is wider than the document the viewport width is returned.
*
* As the html element has no visual appearance it also can not scroll. This
* means that we must use the body <code>scrollWidth</code> in all non mshtml clients.
*
* Verified to correctly work with:
*
* * Mozilla Firefox 2.0.0.4
* * Opera 9.2.1
* * Safari 3.0 beta (3.0.2)
* * Internet Explorer 7.0
*
* @param win {Window?window} The window to query
* @return {Integer} The width of the actual document (which includes the body and its margin).
*
* NOTE: Opera 9.5x and 9.6x have wrong value for the scrollWidth property,
* if an element use negative value for top and left to be outside the viewport!
* See: http://bugzilla.qooxdoo.org/show_bug.cgi?id=2869
*/
getWidth : function(win)
{
var doc = (win||window).document;
var view = qx.bom.Viewport.getWidth(win);
var scroll = this.isStandardMode(win) ? doc.documentElement.scrollWidth : doc.body.scrollWidth;
return Math.max(scroll, view);
},
/**
* Returns the height of the document.
*
* Internet Explorer in standard mode stores the proprietary <code>scrollHeight</code> property
* on the <code>documentElement</code>, but in quirks mode on the body element. All
* other known browsers simply store the correct value on the <code>documentElement</code>.
*
* If the viewport is higher than the document the viewport height is returned.
*
* As the html element has no visual appearance it also can not scroll. This
* means that we must use the body <code>scrollHeight</code> in all non mshtml clients.
*
* Verified to correctly work with:
*
* * Mozilla Firefox 2.0.0.4
* * Opera 9.2.1
* * Safari 3.0 beta (3.0.2)
* * Internet Explorer 7.0
*
* @param win {Window?window} The window to query
* @return {Integer} The height of the actual document (which includes the body and its margin).
*
* NOTE: Opera 9.5x and 9.6x have wrong value for the scrollWidth property,
* if an element use negative value for top and left to be outside the viewport!
* See: http://bugzilla.qooxdoo.org/show_bug.cgi?id=2869
*/
getHeight : function(win)
{
var doc = (win||window).document;
var view = qx.bom.Viewport.getHeight(win);
var scroll = this.isStandardMode(win) ? doc.documentElement.scrollHeight : doc.body.scrollHeight;
return Math.max(scroll, view);
}
}
});