diff options
Diffstat (limited to 'plugin/zoom-js/zoom.js')
| -rw-r--r-- | plugin/zoom-js/zoom.js | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/plugin/zoom-js/zoom.js b/plugin/zoom-js/zoom.js index dc5140e..8531790 100644 --- a/plugin/zoom-js/zoom.js +++ b/plugin/zoom-js/zoom.js @@ -1,22 +1,27 @@ // Custom reveal.js integration (function(){ - document.querySelector( '.reveal .slides' ).addEventListener( 'mousedown', function( event ) { - var defaultModifier = /Linux/.test( window.navigator.platform ) ? 'ctrl' : 'alt'; + var revealElement = document.querySelector( '.reveal' ); + if( revealElement ) { - var modifier = ( Reveal.getConfig().zoomKey ? Reveal.getConfig().zoomKey : defaultModifier ) + 'Key'; - var zoomLevel = ( Reveal.getConfig().zoomLevel ? Reveal.getConfig().zoomLevel : 2 ); + revealElement.addEventListener( 'mousedown', function( event ) { + var defaultModifier = /Linux/.test( window.navigator.platform ) ? 'ctrl' : 'alt'; - if( event[ modifier ] && !Reveal.isOverview() ) { - event.preventDefault(); + var modifier = ( Reveal.getConfig().zoomKey ? Reveal.getConfig().zoomKey : defaultModifier ) + 'Key'; + var zoomLevel = ( Reveal.getConfig().zoomLevel ? Reveal.getConfig().zoomLevel : 2 ); - zoom.to({ - x: event.clientX, - y: event.clientY, - scale: zoomLevel, - pan: false - }); - } - } ); + if( event[ modifier ] && !Reveal.isOverview() ) { + event.preventDefault(); + + zoom.to({ + x: event.clientX, + y: event.clientY, + scale: zoomLevel, + pan: false + }); + } + } ); + + } })(); /*! |