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/* jshint onevar: false */ |
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|
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(function($){ |
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/** |
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* For images lacking explicit dimensions and needing them, try to add them. |
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*/ |
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var restore_dims = function() { |
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$( 'img[data-recalc-dims]' ).each( function recalc() { |
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var $this = $( this ); |
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if ( this.complete ) { |
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|
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// Support for lazy loading: if there is a lazy-src |
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// attribute and it's value is not the same as the current src we |
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// should wait until the image load event |
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if ( $this.data( 'lazy-src' ) && $this.attr( 'src' ) !== $this.data( 'lazy-src' ) ) { |
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$this.load( recalc ); |
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return; |
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} |
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|
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var width = this.width, |
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height = this.height; |
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|
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if ( width && width > 0 && height && height > 0 ) { |
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$this.attr( { |
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width: width, |
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height: height |
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} ); |
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|
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reset_for_retina( this ); |
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} |
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} |
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else { |
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$this.load( recalc ); |
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} |
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} ); |
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}, |
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|
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/** |
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* Modify given image's markup so that devicepx-jetpack.js will act on the image and it won't be reprocessed by this script. |
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*/ |
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reset_for_retina = function( img ) { |
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$( img ).removeAttr( 'data-recalc-dims' ).removeAttr( 'scale' ); |
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}; |
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|
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/** |
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* Check both when page loads, and when IS is triggered. |
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*/ |
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$( document ).ready( restore_dims ); |
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|
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if ( 'on' in $.fn ) { |
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$( document.body ).on( 'post-load', restore_dims ); |
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} else { |
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$( document ).delegate( 'body', 'post-load', restore_dims ); |
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} |
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})(jQuery); |
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|
