check window.ontouchstart != null (required for qtwebkit)

This commit is contained in:
JJ Allaire 2013-02-13 08:10:27 -05:00
parent 7ee4e0ba66
commit 45825b61b7

View File

@ -439,7 +439,7 @@ var Reveal = (function(){
}
if ( config.controls && dom.controls ) {
var actionEvent = 'ontouchstart' in window ? 'touchstart' : 'click';
var actionEvent = 'ontouchstart' in window && window.ontouchstart != null ? 'touchstart' : 'click';
dom.controlsLeft.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateLeftClicked, false ); } );
dom.controlsRight.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateRightClicked, false ); } );
dom.controlsUp.forEach( function( el ) { el.removeEventListener( actionEvent, onNavigateUpClicked, false ); } );