chore(geschichte): Remove

This is also irrelevant, as it is no longer used.

1 files changed, 0 insertions, 263 deletions

diff --git a/geschichte/js/controllers/touch.js b/geschichte/js/controllers/touch.js
deleted file mode 100644
index 5ac6a10..0000000
--- a/geschichte/js/controllers/touch.js
+++ /dev/null
@@ -1,263 +0,0 @@
-import { isAndroid } from '../utils/device.js'
-import { matches } from '../utils/util.js'
-
-const SWIPE_THRESHOLD = 40;
-
-/**
- * Controls all touch interactions and navigations for
- * a presentation.
- */
-export default class Touch {
-
-	constructor( Reveal ) {
-
-		this.Reveal = Reveal;
-
-		// Holds information about the currently ongoing touch interaction
-		this.touchStartX = 0;
-		this.touchStartY = 0;
-		this.touchStartCount = 0;
-		this.touchCaptured = false;
-
-		this.onPointerDown = this.onPointerDown.bind( this );
-		this.onPointerMove = this.onPointerMove.bind( this );
-		this.onPointerUp = this.onPointerUp.bind( this );
-		this.onTouchStart = this.onTouchStart.bind( this );
-		this.onTouchMove = this.onTouchMove.bind( this );
-		this.onTouchEnd = this.onTouchEnd.bind( this );
-
-	}
-
-	/**
-	 *
-	 */
-	bind() {
-
-		let revealElement = this.Reveal.getRevealElement();
-
-		if( 'onpointerdown' in window ) {
-			// Use W3C pointer events
-			revealElement.addEventListener( 'pointerdown', this.onPointerDown, false );
-			revealElement.addEventListener( 'pointermove', this.onPointerMove, false );
-			revealElement.addEventListener( 'pointerup', this.onPointerUp, false );
-		}
-		else if( window.navigator.msPointerEnabled ) {
-			// IE 10 uses prefixed version of pointer events
-			revealElement.addEventListener( 'MSPointerDown', this.onPointerDown, false );
-			revealElement.addEventListener( 'MSPointerMove', this.onPointerMove, false );
-			revealElement.addEventListener( 'MSPointerUp', this.onPointerUp, false );
-		}
-		else {
-			// Fall back to touch events
-			revealElement.addEventListener( 'touchstart', this.onTouchStart, false );
-			revealElement.addEventListener( 'touchmove', this.onTouchMove, false );
-			revealElement.addEventListener( 'touchend', this.onTouchEnd, false );
-		}
-
-	}
-
-	/**
-	 *
-	 */
-	unbind() {
-
-		let revealElement = this.Reveal.getRevealElement();
-
-		revealElement.removeEventListener( 'pointerdown', this.onPointerDown, false );
-		revealElement.removeEventListener( 'pointermove', this.onPointerMove, false );
-		revealElement.removeEventListener( 'pointerup', this.onPointerUp, false );
-
-		revealElement.removeEventListener( 'MSPointerDown', this.onPointerDown, false );
-		revealElement.removeEventListener( 'MSPointerMove', this.onPointerMove, false );
-		revealElement.removeEventListener( 'MSPointerUp', this.onPointerUp, false );
-
-		revealElement.removeEventListener( 'touchstart', this.onTouchStart, false );
-		revealElement.removeEventListener( 'touchmove', this.onTouchMove, false );
-		revealElement.removeEventListener( 'touchend', this.onTouchEnd, false );
-
-	}
-
-	/**
-	 * Checks if the target element prevents the triggering of
-	 * swipe navigation.
-	 */
-	isSwipePrevented( target ) {
-
-		// Prevent accidental swipes when scrubbing timelines
-		if( matches( target, 'video, audio' ) ) return true;
-
-		while( target && typeof target.hasAttribute === 'function' ) {
-			if( target.hasAttribute( 'data-prevent-swipe' ) ) return true;
-			target = target.parentNode;
-		}
-
-		return false;
-
-	}
-
-	/**
-	 * Handler for the 'touchstart' event, enables support for
-	 * swipe and pinch gestures.
-	 *
-	 * @param {object} event
-	 */
-	onTouchStart( event ) {
-
-		if( this.isSwipePrevented( event.target ) ) return true;
-
-		this.touchStartX = event.touches[0].clientX;
-		this.touchStartY = event.touches[0].clientY;
-		this.touchStartCount = event.touches.length;
-
-	}
-
-	/**
-	 * Handler for the 'touchmove' event.
-	 *
-	 * @param {object} event
-	 */
-	onTouchMove( event ) {
-
-		if( this.isSwipePrevented( event.target ) ) return true;
-
-		let config = this.Reveal.getConfig();
-
-		// Each touch should only trigger one action
-		if( !this.touchCaptured ) {
-			this.Reveal.onUserInput( event );
-
-			let currentX = event.touches[0].clientX;
-			let currentY = event.touches[0].clientY;
-
-			// There was only one touch point, look for a swipe
-			if( event.touches.length === 1 && this.touchStartCount !== 2 ) {
-
-				let availableRoutes = this.Reveal.availableRoutes({ includeFragments: true });
-
-				let deltaX = currentX - this.touchStartX,
-					deltaY = currentY - this.touchStartY;
-
-				if( deltaX > SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
-					this.touchCaptured = true;
-					if( config.navigationMode === 'linear' ) {
-						if( config.rtl ) {
-							this.Reveal.next();
-						}
-						else {
-							this.Reveal.prev();
-						}
-					}
-					else {
-						this.Reveal.left();
-					}
-				}
-				else if( deltaX < -SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {
-					this.touchCaptured = true;
-					if( config.navigationMode === 'linear' ) {
-						if( config.rtl ) {
-							this.Reveal.prev();
-						}
-						else {
-							this.Reveal.next();
-						}
-					}
-					else {
-						this.Reveal.right();
-					}
-				}
-				else if( deltaY > SWIPE_THRESHOLD && availableRoutes.up ) {
-					this.touchCaptured = true;
-					if( config.navigationMode === 'linear' ) {
-						this.Reveal.prev();
-					}
-					else {
-						this.Reveal.up();
-					}
-				}
-				else if( deltaY < -SWIPE_THRESHOLD && availableRoutes.down ) {
-					this.touchCaptured = true;
-					if( config.navigationMode === 'linear' ) {
-						this.Reveal.next();
-					}
-					else {
-						this.Reveal.down();
-					}
-				}
-
-				// If we're embedded, only block touch events if they have
-				// triggered an action
-				if( config.embedded ) {
-					if( this.touchCaptured || this.Reveal.isVerticalSlide() ) {
-						event.preventDefault();
-					}
-				}
-				// Not embedded? Block them all to avoid needless tossing
-				// around of the viewport in iOS
-				else {
-					event.preventDefault();
-				}
-
-			}
-		}
-		// There's a bug with swiping on some Android devices unless
-		// the default action is always prevented
-		else if( isAndroid ) {
-			event.preventDefault();
-		}
-
-	}
-
-	/**
-	 * Handler for the 'touchend' event.
-	 *
-	 * @param {object} event
-	 */
-	onTouchEnd( event ) {
-
-		this.touchCaptured = false;
-
-	}
-
-	/**
-	 * Convert pointer down to touch start.
-	 *
-	 * @param {object} event
-	 */
-	onPointerDown( event ) {
-
-		if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" ) {
-			event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
-			this.onTouchStart( event );
-		}
-
-	}
-
-	/**
-	 * Convert pointer move to touch move.
-	 *
-	 * @param {object} event
-	 */
-	onPointerMove( event ) {
-
-		if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" )  {
-			event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
-			this.onTouchMove( event );
-		}
-
-	}
-
-	/**
-	 * Convert pointer up to touch end.
-	 *
-	 * @param {object} event
-	 */
-	onPointerUp( event ) {
-
-		if( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === "touch" )  {
-			event.touches = [{ clientX: event.clientX, clientY: event.clientY }];
-			this.onTouchEnd( event );
-		}
-
-	}
-
-}
\ No newline at end of file