diff options
| -rw-r--r-- | js/reveal.js | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/js/reveal.js b/js/reveal.js index 8ff8e0b..cb4e3f9 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -87,11 +87,14 @@ var Reveal = (function(){ dom.wrapper = document.querySelector( '.reveal' ); dom.progress = document.querySelector( '.reveal .progress' ); dom.progressbar = document.querySelector( '.reveal .progress span' ); - dom.controls = document.querySelector( '.reveal .controls' ); - dom.controlsLeft = document.querySelector( '.reveal .controls .left' ); - dom.controlsRight = document.querySelector( '.reveal .controls .right' ); - dom.controlsUp = document.querySelector( '.reveal .controls .up' ); - dom.controlsDown = document.querySelector( '.reveal .controls .down' ); + + if (config.controls) { + dom.controls = document.querySelector( '.reveal .controls' ); + dom.controlsLeft = document.querySelector( '.reveal .controls .left' ); + dom.controlsRight = document.querySelector( '.reveal .controls .right' ); + dom.controlsUp = document.querySelector( '.reveal .controls .up' ); + dom.controlsDown = document.querySelector( '.reveal .controls .down' ); + } addEventListeners(); @@ -123,7 +126,7 @@ var Reveal = (function(){ config.transition = 'linear'; } - if( config.controls ) { + if( config.controls && dom.controls ) { dom.controls.style.display = 'block'; } @@ -156,11 +159,13 @@ var Reveal = (function(){ document.addEventListener( 'touchmove', onDocumentTouchMove, false ); document.addEventListener( 'touchend', onDocumentTouchEnd, false ); window.addEventListener( 'hashchange', onWindowHashChange, false ); - - dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false ); - dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false ); - dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false ); - dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false ); + + if (dom.controls) { + dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false ); + dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false ); + dom.controlsUp.addEventListener( 'click', preventAndForward( navigateUp ), false ); + dom.controlsDown.addEventListener( 'click', preventAndForward( navigateDown ), false ); + } } function removeEventListeners() { @@ -170,10 +175,12 @@ var Reveal = (function(){ document.removeEventListener( 'touchend', onDocumentTouchEnd, false ); window.removeEventListener( 'hashchange', onWindowHashChange, false ); - dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false ); - dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false ); - dom.controlsUp.removeEventListener( 'click', preventAndForward( navigateUp ), false ); - dom.controlsDown.removeEventListener( 'click', preventAndForward( navigateDown ), false ); + if (dom.controls) { + dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false ); + dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false ); + dom.controlsUp.removeEventListener( 'click', preventAndForward( navigateUp ), false ); + dom.controlsDown.removeEventListener( 'click', preventAndForward( navigateDown ), false ); + } } /** @@ -692,6 +699,8 @@ var Reveal = (function(){ * Updates the state and link pointers of the controls. */ function updateControls() { + if (!dom.controls) return; + var routes = availableRoutes(); // Remove the 'enabled' class from all directions |