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@@ -2286,7 +2286,7 @@ var Reveal = (function(){
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element.removeAttribute( 'data-src' );
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} );
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- // Media elements with multiple <source>s
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+ // Media elements with <source> children
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toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( function( media ) {
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var sources = 0;
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@@ -2634,6 +2634,38 @@ var Reveal = (function(){
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}
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+ function getSlide( x, y ) {
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+
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+ var horizontalSlide = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR )[ x ];
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+ var verticalSlides = horizontalSlide && horizontalSlide.querySelectorAll( 'section' );
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+
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+ if( typeof y === 'number' ) {
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+ return verticalSlides ? verticalSlides[ y ] : undefined;
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+ }
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+
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+ return horizontalSlide;
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+
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+ }
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+
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+ /**
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+ * Returns the background element for the given slide.
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+ * All slides, even the ones with no background properties
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+ * defined, have a background element so this never returns
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+ * null.
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+ */
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+ function getSlideBackground( x, y ) {
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+
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+ var horizontalBackground = document.querySelectorAll( '.backgrounds>.slide-background' )[ x ];
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+ var verticalBackgrounds = horizontalBackground && horizontalBackground.querySelectorAll( '.slide-background' );
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+
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+ if( typeof y === 'number' ) {
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+ return verticalBackgrounds ? verticalBackgrounds[ y ] : undefined;
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+ }
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+
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+ return horizontalBackground;
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+
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+ }
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+
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/**
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* Retrieves the current state of the presentation as
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* an object. This state can then be restored at any
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@@ -3720,17 +3752,11 @@ var Reveal = (function(){
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getTotalSlides: getTotalSlides,
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- // Returns the slide at the specified index, y is optional
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- getSlide: function( x, y ) {
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- var horizontalSlide = document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR )[ x ];
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- var verticalSlides = horizontalSlide && horizontalSlide.querySelectorAll( 'section' );
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-
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- if( typeof y !== 'undefined' ) {
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- return verticalSlides ? verticalSlides[ y ] : undefined;
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- }
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+ // Returns the slide element at the specified index
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+ getSlide: getSlide,
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- return horizontalSlide;
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- },
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+ // Returns the slide background element at the specified index
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+ getSlideBackground: getSlideBackground,
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// Returns the previous slide element, may be null
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getPreviousSlide: function() {
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