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| author | Timmy Willison <timmywillisn@gmail.com> | 2013-08-15 14:15:49 -0400 |
|---|---|---|
| committer | Timmy Willison <timmywillisn@gmail.com> | 2013-08-15 14:15:49 -0400 |
| commit | 6318ae6ab90d4b450dfadf32ab95fe52ed6331cb (patch) | |
| tree | 50b247fed8569e909e380b281e9145bd1458a39e /src/css/defaultDisplay.js | |
| parent | 7627b8b6d9ef6e57dbd20a55b946bd1991c1223e (diff) | |
| download | jquery-6318ae6ab90d4b450dfadf32ab95fe52ed6331cb.tar.gz jquery-6318ae6ab90d4b450dfadf32ab95fe52ed6331cb.zip | |
AMD-ify jQuery sourcegit s! Woo! Fixes #14113, #14163.
Diffstat (limited to 'src/css/defaultDisplay.js')
| -rw-r--r-- | src/css/defaultDisplay.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/css/defaultDisplay.js b/src/css/defaultDisplay.js new file mode 100644 index 000000000..78acb2bcd --- /dev/null +++ b/src/css/defaultDisplay.js @@ -0,0 +1,58 @@ +define([ + "../core", + "../manipulation" // appendTo +], function( jQuery ) { + +var iframe, + elemdisplay = { BODY: "block" }; + +/** + * Retrieve the actual display of a element + * @param {String} name nodeName of the element + * @param {Object} doc Document object + */ +function actualDisplay( name, doc ) { + var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), + display = jQuery.css( elem[0], "display" ); + elem.remove(); + return display; +} + +/** + * Try to determine the default display value of an element + * @param {String} nodeName + */ +function defaultDisplay( nodeName ) { + var doc = document, + display = elemdisplay[ nodeName ]; + + if ( !display ) { + display = actualDisplay( nodeName, doc ); + + // If the simple way fails, read from inside an iframe + if ( display === "none" || !display ) { + // Use the already-created iframe if possible + iframe = ( iframe || + jQuery("<iframe frameborder='0' width='0' height='0'/>") + .css( "cssText", "display:block !important" ) + ).appendTo( doc.documentElement ); + + // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse + doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document; + doc.write("<!doctype html><html><body>"); + doc.close(); + + display = actualDisplay( nodeName, doc ); + iframe.detach(); + } + + // Store the correct default display + elemdisplay[ nodeName ] = display; + } + + return display; +} + +return defaultDisplay; + +}); |