/bower_components/jquery/src/offset.js |
@@ -1,8 +1,7 @@ |
define( [ |
define([ |
"./core", |
"./var/strundefined", |
"./core/access", |
"./var/document", |
"./var/documentElement", |
"./css/var/rnumnonpx", |
"./css/curCSS", |
"./css/addGetHookIf", |
@@ -11,9 +10,9 @@ |
"./core/init", |
"./css", |
"./selector" // contains |
], function( jQuery, access, document, documentElement, rnumnonpx, curCSS, addGetHookIf, support ) { |
], function( jQuery, strundefined, access, rnumnonpx, curCSS, addGetHookIf, support ) { |
|
"use strict"; |
var docElem = window.document.documentElement; |
|
/** |
* Gets a window from an element |
@@ -38,7 +37,7 @@ |
curCSSTop = jQuery.css( elem, "top" ); |
curCSSLeft = jQuery.css( elem, "left" ); |
calculatePosition = ( position === "absolute" || position === "fixed" ) && |
( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1; |
( curCSSTop + curCSSLeft ).indexOf("auto") > -1; |
|
// Need to be able to calculate position if either |
// top or left is auto and position is either absolute or fixed |
@@ -53,9 +52,7 @@ |
} |
|
if ( jQuery.isFunction( options ) ) { |
|
// Use jQuery.extend here to allow modification of coordinates argument (gh-1848) |
options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); |
options = options.call( elem, i, curOffset ); |
} |
|
if ( options.top != null ) { |
@@ -74,48 +71,42 @@ |
} |
}; |
|
jQuery.fn.extend( { |
jQuery.fn.extend({ |
offset: function( options ) { |
|
// Preserve chaining for setter |
if ( arguments.length ) { |
return options === undefined ? |
this : |
this.each( function( i ) { |
this.each(function( i ) { |
jQuery.offset.setOffset( this, options, i ); |
} ); |
}); |
} |
|
var docElem, win, rect, doc, |
elem = this[ 0 ]; |
var docElem, win, |
elem = this[ 0 ], |
box = { top: 0, left: 0 }, |
doc = elem && elem.ownerDocument; |
|
if ( !elem ) { |
if ( !doc ) { |
return; |
} |
|
// Support: IE <=11 only |
// Running getBoundingClientRect on a |
// disconnected node in IE throws an error |
if ( !elem.getClientRects().length ) { |
return { top: 0, left: 0 }; |
docElem = doc.documentElement; |
|
// Make sure it's not a disconnected DOM node |
if ( !jQuery.contains( docElem, elem ) ) { |
return box; |
} |
|
rect = elem.getBoundingClientRect(); |
|
// Make sure element is not hidden (display: none) |
if ( rect.width || rect.height ) { |
doc = elem.ownerDocument; |
win = getWindow( doc ); |
docElem = doc.documentElement; |
|
return { |
top: rect.top + win.pageYOffset - docElem.clientTop, |
left: rect.left + win.pageXOffset - docElem.clientLeft |
}; |
// Support: BlackBerry 5, iOS 3 (original iPhone) |
// If we don't have gBCR, just use 0,0 rather than error |
if ( typeof elem.getBoundingClientRect !== strundefined ) { |
box = elem.getBoundingClientRect(); |
} |
|
// Return zeros for disconnected and hidden elements (gh-2310) |
return rect; |
win = getWindow( doc ); |
return { |
top: box.top + win.pageYOffset - docElem.clientTop, |
left: box.left + win.pageXOffset - docElem.clientLeft |
}; |
}, |
|
position: function() { |
@@ -127,15 +118,12 @@ |
elem = this[ 0 ], |
parentOffset = { top: 0, left: 0 }; |
|
// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, |
// because it is its only offset parent |
// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent |
if ( jQuery.css( elem, "position" ) === "fixed" ) { |
|
// Assume getBoundingClientRect is there when computed position is fixed |
offset = elem.getBoundingClientRect(); |
|
} else { |
|
// Get *real* offsetParent |
offsetParent = this.offsetParent(); |
|
@@ -146,10 +134,8 @@ |
} |
|
// Add offsetParent borders |
parentOffset = { |
top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ), |
left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ) |
}; |
parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); |
parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); |
} |
|
// Subtract parent offsets and element margins |
@@ -159,28 +145,18 @@ |
}; |
}, |
|
// This method will return documentElement in the following cases: |
// 1) For the element inside the iframe without offsetParent, this method will return |
// documentElement of the parent window |
// 2) For the hidden or detached element |
// 3) For body or html element, i.e. in case of the html node - it will return itself |
// |
// but those exceptions were never presented as a real life use-cases |
// and might be considered as more preferable results. |
// |
// This logic, however, is not guaranteed and can change at any point in the future |
offsetParent: function() { |
return this.map( function() { |
var offsetParent = this.offsetParent; |
return this.map(function() { |
var offsetParent = this.offsetParent || docElem; |
|
while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { |
while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { |
offsetParent = offsetParent.offsetParent; |
} |
|
return offsetParent || documentElement; |
} ); |
return offsetParent || docElem; |
}); |
} |
} ); |
}); |
|
// Create scrollLeft and scrollTop methods |
jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { |
@@ -196,21 +172,21 @@ |
|
if ( win ) { |
win.scrollTo( |
!top ? val : win.pageXOffset, |
top ? val : win.pageYOffset |
!top ? val : window.pageXOffset, |
top ? val : window.pageYOffset |
); |
|
} else { |
elem[ method ] = val; |
} |
}, method, val, arguments.length ); |
}, method, val, arguments.length, null ); |
}; |
} ); |
}); |
|
// Support: Safari <=7 - 9.1, Chrome <=37 - 49 |
// Support: Safari<7+, Chrome<37+ |
// Add the top/left cssHooks using jQuery.fn.position |
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 |
// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347 |
// Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280 |
// getComputedStyle returns percent when specified for top/left/bottom/right; |
// rather than make the css module depend on the offset module, just check for it here |
jQuery.each( [ "top", "left" ], function( i, prop ) { |
@@ -218,7 +194,6 @@ |
function( elem, computed ) { |
if ( computed ) { |
computed = curCSS( elem, prop ); |
|
// If curCSS returns percentage, fallback to offset |
return rnumnonpx.test( computed ) ? |
jQuery( elem ).position()[ prop ] + "px" : |
@@ -226,7 +201,7 @@ |
} |
} |
); |
} ); |
}); |
|
return jQuery; |
} ); |
}); |