1 files changed, 0 insertions, 117 deletions
diff --git a/resources/jquery/jquery.hidpi.js b/resources/jquery/jquery.hidpi.js
deleted file mode 100644
index 70bfc4ea..00000000
--- a/resources/jquery/jquery.hidpi.js
+++ /dev/null
@@ -1,117 +0,0 @@
-/**
- * Responsive images based on 'srcset' and 'window.devicePixelRatio' emulation where needed.
- *
- * Call $().hidpi() on a document or part of a document to replace image srcs in that section.
- *
- * $.devicePixelRatio() can be used to supplement window.devicePixelRatio with support on
- * some additional browsers.
- */
-( function ( $ ) {
-
-/**
- * Detect reported or approximate device pixel ratio.
- * 1.0 means 1 CSS pixel is 1 hardware pixel
- * 2.0 means 1 CSS pixel is 2 hardware pixels
- * etc
- *
- * Uses window.devicePixelRatio if available, or CSS media queries on IE.
- *
- * @method
- * @returns {number} Device pixel ratio
- */
-$.devicePixelRatio = function () {
-	if ( window.devicePixelRatio !== undefined ) {
-		// Most web browsers:
-		// * WebKit (Safari, Chrome, Android browser, etc)
-		// * Opera
-		// * Firefox 18+
-		return window.devicePixelRatio;
-	} else if ( window.msMatchMedia !== undefined ) {
-		// Windows 8 desktops / tablets, probably Windows Phone 8
-		//
-		// IE 10 doesn't report pixel ratio directly, but we can get the
-		// screen DPI and divide by 96. We'll bracket to [1, 1.5, 2.0] for
-		// simplicity, but you may get different values depending on zoom
-		// factor, size of screen and orientation in Metro IE.
-		if ( window.msMatchMedia( '(min-resolution: 192dpi)' ).matches ) {
-			return 2;
-		} else if ( window.msMatchMedia( '(min-resolution: 144dpi)' ).matches ) {
-			return 1.5;
-		} else {
-			return 1;
-		}
-	} else {
-		// Legacy browsers...
-		// Assume 1 if unknown.
-		return 1;
-	}
-};
-
-/**
- * Implement responsive images based on srcset attributes, if browser has no
- * native srcset support.
- *
- * @method
- * @returns {jQuery} This selection
- */
-$.fn.hidpi = function () {
-	var $target = this,
-		// @todo add support for dpi media query checks on Firefox, IE
-		devicePixelRatio = $.devicePixelRatio(),
-		testImage = new Image();
-
-	if ( devicePixelRatio > 1 && testImage.srcset === undefined ) {
-		// No native srcset support.
-		$target.find( 'img' ).each( function () {
-			var $img = $( this ),
-				srcset = $img.attr( 'srcset' ),
-				match;
-			if ( typeof srcset === 'string' && srcset !== '' ) {
-				match = $.matchSrcSet( devicePixelRatio, srcset );
-				if (match !== null ) {
-					$img.attr( 'src', match );
-				}
-			}
-		});
-	}
-
-	return $target;
-};
-
-/**
- * Match a srcset entry for the given device pixel ratio
- *
- * @param {number} devicePixelRatio
- * @param {string} srcset
- * @return {mixed} null or the matching src string
- *
- * Exposed for testing.
- */
-$.matchSrcSet = function ( devicePixelRatio, srcset ) {
-	var candidates,
-		candidate,
-		bits,
-		src,
-		i,
-		ratioStr,
-		ratio,
-		selectedRatio = 1,
-		selectedSrc = null;
-	candidates = srcset.split( / *, */ );
-	for ( i = 0; i < candidates.length; i++ ) {
-		candidate = candidates[i];
-		bits = candidate.split( / +/ );
-		src = bits[0];
-		if ( bits.length > 1 && bits[1].charAt( bits[1].length - 1 ) === 'x' ) {
-			ratioStr = bits[1].substr( 0, bits[1].length - 1 );
-			ratio = parseFloat( ratioStr );
-			if ( ratio <= devicePixelRatio && ratio > selectedRatio ) {
-				selectedRatio = ratio;
-				selectedSrc = src;
-			}
-		}
-	}
-	return selectedSrc;
-};
-
-}( jQuery ) );