Effects: add back support.shrinkWrapBlocks() for ie6

1 files changed, 58 insertions, 0 deletions

diff --git a/src/effects/support.js b/src/effects/support.js
new file mode 100644
index 000000000..22d4ecb2e
--- /dev/null
+++ b/src/effects/support.js
@@ -0,0 +1,58 @@
+define( [
+	"../var/support",
+	"../var/document"
+], function( support, document ) {
+
+( function() {
+	var shrinkWrapBlocksVal;
+
+	support.shrinkWrapBlocks = function() {
+		if ( shrinkWrapBlocksVal != null ) {
+			return shrinkWrapBlocksVal;
+		}
+
+		// Will be changed later if needed.
+		shrinkWrapBlocksVal = false;
+
+		// Minified: var b,c,d
+		var div, body, container;
+
+		body = document.getElementsByTagName( "body" )[ 0 ];
+		if ( !body || !body.style ) {
+
+			// Test fired too early or in an unsupported environment, exit.
+			return;
+		}
+
+		// Setup
+		div = document.createElement( "div" );
+		container = document.createElement( "div" );
+		container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
+		body.appendChild( container ).appendChild( div );
+
+		// Support: IE6
+		// Check if elements with layout shrink-wrap their children
+		if ( typeof div.style.zoom !== "undefined" ) {
+
+			// Reset CSS: box-sizing; display; margin; border
+			div.style.cssText =
+
+				// Support: Firefox<29, Android 2.3
+				// Vendor-prefix box-sizing
+				"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
+				"box-sizing:content-box;display:block;margin:0;border:0;" +
+				"padding:1px;width:1px;zoom:1";
+			div.appendChild( document.createElement( "div" ) ).style.width = "5px";
+			shrinkWrapBlocksVal = div.offsetWidth !== 3;
+		}
+
+		body.removeChild( container );
+
+		return shrinkWrapBlocksVal;
+	};
+
+} )();
+
+return support;
+
+} );