diff options
Diffstat (limited to 'libs/bower_components/jquery/src/offset.js')
-rw-r--r-- | libs/bower_components/jquery/src/offset.js | 119 |
1 files changed, 63 insertions, 56 deletions
diff --git a/libs/bower_components/jquery/src/offset.js b/libs/bower_components/jquery/src/offset.js index 42d07eb4f5..08a4543e43 100644 --- a/libs/bower_components/jquery/src/offset.js +++ b/libs/bower_components/jquery/src/offset.js @@ -1,7 +1,8 @@ -define([ +define( [ "./core", - "./var/strundefined", "./core/access", + "./var/document", + "./var/documentElement", "./css/var/rnumnonpx", "./css/curCSS", "./css/addGetHookIf", @@ -10,22 +11,13 @@ define([ "./core/init", "./css", "./selector" // contains -], function( jQuery, strundefined, access, rnumnonpx, curCSS, addGetHookIf, support ) { - -// BuildExclude -curCSS = curCSS.curCSS; - -var docElem = window.document.documentElement; +], function( jQuery, access, document, documentElement, rnumnonpx, curCSS, addGetHookIf, support ) { /** * Gets a window from an element */ function getWindow( elem ) { - return jQuery.isWindow( elem ) ? - elem : - elem.nodeType === 9 ? - elem.defaultView || elem.parentWindow : - false; + return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView; } jQuery.offset = { @@ -35,7 +27,7 @@ jQuery.offset = { curElem = jQuery( elem ), props = {}; - // set position first, in-case top/left are set even on static elem + // Set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; } @@ -44,20 +36,24 @@ jQuery.offset = { curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && - jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -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 + // Need to be able to calculate position if either + // top or left is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left; + } else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; } if ( jQuery.isFunction( options ) ) { - options = options.call( elem, i, curOffset ); + + // Use jQuery.extend here to allow modification of coordinates argument (gh-1848) + options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); } if ( options.top != null ) { @@ -69,25 +65,26 @@ jQuery.offset = { if ( "using" in options ) { options.using.call( elem, props ); + } else { curElem.css( props ); } } }; -jQuery.fn.extend({ +jQuery.fn.extend( { offset: function( options ) { if ( arguments.length ) { return options === undefined ? this : - this.each(function( i ) { + this.each( function( i ) { jQuery.offset.setOffset( this, options, i ); - }); + } ); } var docElem, win, - box = { top: 0, left: 0 }, elem = this[ 0 ], + box = { top: 0, left: 0 }, doc = elem && elem.ownerDocument; if ( !doc ) { @@ -101,15 +98,11 @@ jQuery.fn.extend({ return box; } - // If we don't have gBCR, just use 0,0 rather than error - // BlackBerry 5, iOS 3 (original iPhone) - if ( typeof elem.getBoundingClientRect !== strundefined ) { - box = elem.getBoundingClientRect(); - } + box = elem.getBoundingClientRect(); win = getWindow( doc ); return { - top: box.top + ( win.pageYOffset || docElem.scrollTop ) - ( docElem.clientTop || 0 ), - left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 ) + top: box.top + win.pageYOffset - docElem.clientTop, + left: box.left + win.pageXOffset - docElem.clientLeft }; }, @@ -119,14 +112,18 @@ jQuery.fn.extend({ } var offsetParent, offset, - parentOffset = { top: 0, left: 0 }, - elem = this[ 0 ]; + 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" ) { - // we assume that getBoundingClientRect is available when computed position is fixed + + // Assume getBoundingClientRect is there when computed position is fixed offset = elem.getBoundingClientRect(); + } else { + // Get *real* offsetParent offsetParent = this.offsetParent(); @@ -137,75 +134,85 @@ jQuery.fn.extend({ } // Add offsetParent borders - parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); + parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); } // Subtract parent offsets and element margins - // note: when an element has margin: auto the offsetLeft and marginLeft - // are the same in Safari causing offset.left to incorrectly be 0 return { - top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), - left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true) + top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), + left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; }, + // 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 || docElem; + return this.map( function() { + var offsetParent = this.offsetParent; - while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { + while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { offsetParent = offsetParent.offsetParent; } - return offsetParent || docElem; - }); + + return offsetParent || documentElement; + } ); } -}); +} ); // Create scrollLeft and scrollTop methods jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { - var top = /Y/.test( prop ); + var top = "pageYOffset" === prop; jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) { var win = getWindow( elem ); if ( val === undefined ) { - return win ? (prop in win) ? win[ prop ] : - win.document.documentElement[ method ] : - elem[ method ]; + return win ? win[ prop ] : elem[ method ]; } if ( win ) { win.scrollTo( - !top ? val : jQuery( win ).scrollLeft(), - top ? val : jQuery( win ).scrollTop() + !top ? val : win.pageXOffset, + top ? val : win.pageYOffset ); } else { elem[ method ] = val; } - }, method, val, arguments.length, null ); + }, method, val, arguments.length ); }; -}); +} ); +// Support: Safari<7-8+, Chrome<37-44+ // Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 -// getComputedStyle returns percent when specified for top/left/bottom/right -// rather than make the css module depend on the offset module, we just check for it here +// 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 ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop ); - // if curCSS returns percentage, fallback to offset + + // If curCSS returns percentage, fallback to offset return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); -}); +} ); return jQuery; -}); +} ); |