move pointer logic out to own controller

4 files changed, 123 insertions, 98 deletions

diff --git a/dist/reveal.css b/dist/reveal.css
index a850ca0..be4e552 100644
--- a/dist/reveal.css
+++ b/dist/reveal.css
@@ -1,5 +1,5 @@
 /*!
-* reveal.js 4.0.0-dev (Mon Apr 06 2020)
+* reveal.js 4.0.0-dev (Tue Apr 07 2020)
 * https://revealjs.com
 * MIT licensed
 *
diff --git a/dist/reveal.min.js b/dist/reveal.min.js
index 6c50bdf..3c4b065 100644
--- a/dist/reveal.min.js
+++ b/dist/reveal.min.js
@@ -5,4 +5,4 @@
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
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t=this.Reveal.getScale();return{x:Math.round(e.offsetLeft*t*100)/100,y:Math.round(e.offsetTop*t*100)/100,width:Math.round(e.offsetWidth*t*100)/100,height:Math.round(e.offsetHeight*t*100)/100}}},{key:"findAutoAnimateMatches",value:function(e,t,n,i,a,r){var o={},s={};[].slice.call(t.querySelectorAll(i)).forEach((function(e,t){var n=a(e);"string"==typeof n&&n.length&&(o[n]=o[n]||[],o[n].push(e))})),[].slice.call(n.querySelectorAll(i)).forEach((function(t,n){var i,l=a(t);if(s[l]=s[l]||[],s[l].push(t),o[l]){var c=s[l].length-1,d=o[l].length-1;o[l][c]?(i=o[l][c],o[l][c]=null):o[l][d]&&(i=o[l][d],o[l][d]=null)}i&&e.push({from:i,to:t,options:r})}))}},{key:"getUnmatchedAutoAnimateElements",value:function(e){var t=this;return[].slice.call(e.children).reduce((function(e,n){var i=n.querySelector("[data-auto-animate-target]");return 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This is likely due to the site\'s policy (x-frame-options).</span>\n\t\t\t\t</small>\n\t\t\t</div>'),Q.overlay.querySelector("iframe").addEventListener("load",(function(e){Q.overlay.classList.add("loaded")}),!1),Q.overlay.querySelector(".close").addEventListener("click",(function(e){ke(),e.preventDefault()}),!1),Q.overlay.querySelector(".external").addEventListener("click",(function(e){ke()}),!1)}(t),e.preventDefault())}}function dt(e){Ne()&&!1===n.loop?(Oe(0,0),et()):oe?et():Ge()}return r(g,{VERSION:"4.0.0-dev",initialize:function(){if(e)return Q.wrapper=e,Q.slides=e.querySelector(".slides"),!0===(n=ae({},te,{},t,{},d())).embedded?e.classList.add("reveal-viewport"):(document.body.classList.add("reveal-viewport"),document.documentElement.classList.add("reveal-full-page")),window.addEventListener("load",Ae,!1),W.load(n.dependencies).then(se),new Promise((function(e){return g.on("ready",e)}));console.warn("reveal.js can not initialize without a valid .reveal element.")},configure:ue,sync:Be,syncSlide:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:h;C.sync(e),N.sync(e),E.load(e),C.update(),Y.update()},syncFragments:N.sync.bind(N),slide:Oe,left:tt,right:nt,up:it,down:at,prev:rt,next:ot,navigateLeft:tt,navigateRight:nt,navigateUp:it,navigateDown:at,navigatePrev:rt,navigateNext:ot,navigateFragment:N.goto.bind(N),prevFragment:N.prev.bind(N),nextFragment:N.next.bind(N),on:ve,off:fe,addEventListener:ve,removeEventListener:fe,layout:Ae,shuffle:He,availableRoutes:Ue,availableFragments:N.availableRoutes.bind(N),toggleHelp:function(e){"boolean"==typeof e?e?we():ke():Q.overlay?ke():we()},toggleOverview:T.toggle.bind(T),togglePause:Ie,toggleAutoSlide:function(e){"boolean"==typeof e?e?et():Ge():oe?et():Ge()},isFirstSlide:Pe,isLastSlide:Ne,isLastVerticalSlide:Ce,isVerticalSlide:xe,isPaused:De,isAutoSliding:function(){return!(!G||oe)},isSpeakerNotes:Y.isSpeakerNotesWindow.bind(Y),isOverview:T.isActive.bind(T),isPrintingPDF:V.isPrintingPDF.bind(V),loadSlide:E.load.bind(E),unloadSlide:E.unload.bind(E),addEventListeners:de,removeEventListeners:he,dispatchEvent:pe,getState:Je,setState:function(e){if("object"===ne(e)){Oe(s(e.indexh),s(e.indexv),s(e.indexf));var t=s(e.paused),n=s(e.overview);"boolean"==typeof t&&t!==De()&&Ie(t),"boolean"==typeof n&&n!==T.isActive()&&T.toggle(n)}},getSlidePastCount:qe,getProgress:function(){var e=_e(),t=qe();if(h){var n=h.querySelectorAll(".fragment");if(n.length>0){t+=h.querySelectorAll(".fragment.visible").length/n.length*.9}}return Math.min(t/(e-1),1)},getIndices:We,getSlides:Ke,getSlidesAttributes:function(){return Ke().map((function(e){for(var t={},n=0;n<e.attributes.length;n++){var i=e.attributes[n];t[i.name]=i.value}return t}))},getTotalSlides:_e,getSlide:$e,getSlideBackground:function(e,t){var n="number"==typeof e?$e(e,t):e;if(n)return n.slideBackgroundElement},getSlideNotes:Y.getSlideNotes.bind(Y),getHorizontalSlides:Ve,getVerticalSlides:Fe,hasHorizontalSlides:Xe,hasVerticalSlides:Ye,hasNavigatedHorizontally:function(){return y.hasNavigatedHorizontally},hasNavigatedVertically:function(){return y.hasNavigatedVertically},addKeyBinding:I.addKeyBinding.bind(I),removeKeyBinding:I.removeKeyBinding.bind(I),triggerKey:I.triggerKey.bind(I),registerKeyboardShortcut:I.registerKeyboardShortcut.bind(I),registerPlugin:W.registerPlugin.bind(W),hasPlugin:W.hasPlugin.bind(W),getPlugin:W.getPlugin.bind(W),getPlugins:W.getRegisteredPlugins.bind(W),getComputedSlideSize:Re,getPreviousSlide:function(){return u},getCurrentSlide:function(){return h},getScale:function(){return k},getConfig:function(){return n},getQueryHash:d,getRevealElement:function(){return e},getSlidesElement:function(){return Q.slides},getBackgroundsElement:function(){return C.element},isReady:function(){return p},announceStatus:le,getStatusText:ce,print:V,progress:j,controls:H,location:O,overview:T,fragments:N,slideContent:E,slideNumber:R,onUserInput:function(e){n.autoSlideStoppable&&Ge()},closeOverlay:ke,updateSlidesVisibility:ze,layoutSlideContents:Ee,transformSlides:ge,cueAutoSlide:Qe,cancelAutoSlide:Ze})};window.Reveal=oe;var se=[];window.Reveal.initialize=function(e){return window.Reveal=new oe(document.querySelector(".reveal"),e),se.map((function(e){return e(window.Reveal)})),window.Reveal.initialize()},["on","off","addEventListener","removeEventListener"].forEach((function(e){window.Reveal[e]=function(){for(var t=arguments.length,n=new Array(t),i=0;i<t;i++)n[i]=arguments[i];se.push((function(t){var i;return(i=t[e]).call.apply(i,[null].concat(n))}))}}))}]);
\ No newline at end of file
diff --git a/js/controllers/pointer.js b/js/controllers/pointer.js
new file mode 100644
index 0000000..aec19d5
--- /dev/null
+++ b/js/controllers/pointer.js
@@ -0,0 +1,118 @@
+/**
+ * Handles hiding of the pointer/cursor when inactive.
+ */
+export default class Pointer {
+
+	constructor( Reveal ) {
+
+		this.Reveal = Reveal;
+
+		// Throttles mouse wheel navigation
+		this.lastMouseWheelStep = 0;
+
+		// Is the mouse pointer currently hidden from view
+		this.cursorHidden = false;
+
+		// Timeout used to determine when the cursor is inactive
+		this.cursorInactiveTimeout = 0;
+
+		this.onDocumentCursorActive = this.onDocumentCursorActive.bind( this );
+		this.onDocumentMouseScroll = this.onDocumentMouseScroll.bind( this );
+
+	}
+
+	/**
+	 * Called when the reveal.js config is updated.
+	 */
+	configure( config, oldConfig ) {
+
+		if( config.mouseWheel ) {
+			document.addEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF
+			document.addEventListener( 'mousewheel', this.onDocumentMouseScroll, false );
+		}
+		else {
+			document.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF
+			document.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );
+		}
+
+		// Auto-hide the mouse pointer when its inactive
+		if( config.hideInactiveCursor ) {
+			document.addEventListener( 'mousemove', this.onDocumentCursorActive, false );
+			document.addEventListener( 'mousedown', this.onDocumentCursorActive, false );
+		}
+		else {
+			this.showCursor();
+
+			document.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );
+			document.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );
+		}
+
+	}
+
+	/**
+	 * Shows the mouse pointer after it has been hidden with
+	 * #hideCursor.
+	 */
+	showCursor() {
+
+		if( this.cursorHidden ) {
+			this.cursorHidden = false;
+			this.Reveal.getRevealElement().style.cursor = '';
+		}
+
+	}
+
+	/**
+	 * Hides the mouse pointer when it's on top of the .reveal
+	 * container.
+	 */
+	hideCursor() {
+
+		if( this.cursorHidden === false ) {
+			this.cursorHidden = true;
+			this.Reveal.getRevealElement().style.cursor = 'none';
+		}
+
+	}
+
+	/**
+	 * Called whenever there is mouse input at the document level
+	 * to determine if the cursor is active or not.
+	 *
+	 * @param {object} event
+	 */
+	onDocumentCursorActive( event ) {
+
+		this.showCursor();
+
+		clearTimeout( this.cursorInactiveTimeout );
+
+		this.cursorInactiveTimeout = setTimeout( this.hideCursor.bind( this ), this.Reveal.getConfig().hideCursorTime );
+
+	}
+
+	/**
+	 * Handles mouse wheel scrolling, throttled to avoid skipping
+	 * multiple slides.
+	 *
+	 * @param {object} event
+	 */
+	onDocumentMouseScroll( event ) {
+
+		if( Date.now() - this.lastMouseWheelStep > 1000 ) {
+
+			this.lastMouseWheelStep = Date.now();
+
+			let delta = event.detail || -event.wheelDelta;
+			if( delta > 0 ) {
+				this.Reveal.next();
+			}
+			else if( delta < 0 ) {
+				this.Reveal.prev();
+			}
+
+		}
+
+	}
+
+}
\ No newline at end of file
diff --git a/js/reveal.js b/js/reveal.js
index be161b7..09ec9c7 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -8,6 +8,7 @@ import Keyboard from './controllers/keyboard.js'
 import Location from './controllers/location.js'
 import Controls from './controllers/controls.js'
 import Progress from './controllers/progress.js'
+import Pointer from './controllers/pointer.js'
 import Plugins from './controllers/plugins.js'
 import Print from './controllers/print.js'
 import Touch from './controllers/touch.js'
@@ -87,6 +88,7 @@ export default function( revealElement, options ) {
 		location = new Location( Reveal ),
 		controls = new Controls( Reveal ),
 		progress = new Progress( Reveal ),
+		pointer = new Pointer( Reveal ),
 		plugins = new Plugins( Reveal ),
 		print = new Print( Reveal ),
 		touch = new Touch( Reveal ),
@@ -102,15 +104,6 @@ export default function( revealElement, options ) {
 		// List of asynchronously loaded reveal.js dependencies
 		asyncDependencies = [],
 
-		// Throttles mouse wheel navigation
-		lastMouseWheelStep = 0,
-
-		// Is the mouse pointer currently hidden from view
-		cursorHidden = false,
-
-		// Timeout used to determine when the cursor is inactive
-		cursorInactiveTimeout = 0,
-
 		// Flags if the interaction event listeners are bound
 		eventsAreBound = false,
 
@@ -437,27 +430,6 @@ export default function( revealElement, options ) {
 			resume();
 		}
 
-		if( config.mouseWheel ) {
-			document.addEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
-			document.addEventListener( 'mousewheel', onDocumentMouseScroll, false );
-		}
-		else {
-			document.removeEventListener( 'DOMMouseScroll', onDocumentMouseScroll, false ); // FF
-			document.removeEventListener( 'mousewheel', onDocumentMouseScroll, false );
-		}
-
-		// Auto-hide the mouse pointer when its inactive
-		if( config.hideInactiveCursor ) {
-			document.addEventListener( 'mousemove', onDocumentCursorActive, false );
-			document.addEventListener( 'mousedown', onDocumentCursorActive, false );
-		}
-		else {
-			showCursor();
-
-			document.removeEventListener( 'mousemove', onDocumentCursorActive, false );
-			document.removeEventListener( 'mousedown', onDocumentCursorActive, false );
-		}
-
 		// Iframe link previews
 		if( config.previewLinks ) {
 			enablePreviewLinks();
@@ -496,6 +468,7 @@ export default function( revealElement, options ) {
 		}
 
 		notes.configure( config, oldConfig );
+		pointer.configure( config, oldConfig );
 		controls.configure( config, oldConfig );
 		progress.configure( config, oldConfig );
 		keyboard.configure( config, oldConfig );
@@ -1080,32 +1053,6 @@ export default function( revealElement, options ) {
 	}
 
 	/**
-	 * Shows the mouse pointer after it has been hidden with
-	 * #hideCursor.
-	 */
-	function showCursor() {
-
-		if( cursorHidden ) {
-			cursorHidden = false;
-			dom.wrapper.style.cursor = '';
-		}
-
-	}
-
-	/**
-	 * Hides the mouse pointer when it's on top of the .reveal
-	 * container.
-	 */
-	function hideCursor() {
-
-		if( cursorHidden === false ) {
-			cursorHidden = true;
-			dom.wrapper.style.cursor = 'none';
-		}
-
-	}
-
-	/**
 	 * Enters the paused mode which fades everything on screen to
 	 * black.
 	 */
@@ -2315,46 +2262,6 @@ export default function( revealElement, options ) {
 	}
 
 	/**
-	 * Called whenever there is mouse input at the document level
-	 * to determine if the cursor is active or not.
-	 *
-	 * @param {object} event
-	 */
-	function onDocumentCursorActive( event ) {
-
-		showCursor();
-
-		clearTimeout( cursorInactiveTimeout );
-
-		cursorInactiveTimeout = setTimeout( hideCursor, config.hideCursorTime );
-
-	}
-
-	/**
-	 * Handles mouse wheel scrolling, throttled to avoid skipping
-	 * multiple slides.
-	 *
-	 * @param {object} event
-	 */
-	function onDocumentMouseScroll( event ) {
-
-		if( Date.now() - lastMouseWheelStep > 600 ) {
-
-			lastMouseWheelStep = Date.now();
-
-			let delta = event.detail || -event.wheelDelta;
-			if( delta > 0 ) {
-				navigateNext();
-			}
-			else if( delta < 0 ) {
-				navigatePrev();
-			}
-
-		}
-
-	}
-
-	/**
 	 * Handler for the window level 'hashchange' event.
 	 *
 	 * @param {object} [event]