From 1e442a17ba38286068eff4e6fec85bcaee55692a Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Mon, 8 Aug 2022 19:11:05 +0200
Subject: [PATCH] Remove an unused legacy component

---
 wcfsetup/install/files/js/WCF.js | 98 --------------------------------
 1 file changed, 98 deletions(-)

diff --git a/wcfsetup/install/files/js/WCF.js b/wcfsetup/install/files/js/WCF.js
index ac44d7f915..a4caddabca 100755
--- a/wcfsetup/install/files/js/WCF.js
+++ b/wcfsetup/install/files/js/WCF.js
@@ -2121,104 +2121,6 @@ else {
 	});
 }
 
-/**
- * Executes provided callback if scroll threshold is reached. Usable to determine
- * if user reached the bottom of an element to load new elements on the fly.
- * 
- * If you do not provide a value for 'reference' and 'target' it will assume you're
- * monitoring page scrolls, otherwise a valid jQuery selector must be provided for both.
- * 
- * @param	integer		threshold
- * @param	object		callback
- * @param	string		reference
- * @param	string		target
- */
-WCF.Action.Scroll = Class.extend({
-	/**
-	 * callback used once threshold is reached
-	 * @var	object
-	 */
-	_callback: null,
-	
-	/**
-	 * reference object
-	 * @var	jQuery
-	 */
-	_reference: null,
-	
-	/**
-	 * target object
-	 * @var	jQuery
-	 */
-	_target: null,
-	
-	/**
-	 * threshold value
-	 * @var	integer
-	 */
-	_threshold: 0,
-	
-	/**
-	 * Initializes a new WCF.Action.Scroll object.
-	 * 
-	 * @param	integer		threshold
-	 * @param	object		callback
-	 * @param	string		reference
-	 * @param	string		target
-	 */
-	init: function(threshold, callback, reference, target) {
-		this._threshold = parseInt(threshold);
-		if (this._threshold === 0) {
-			console.debug("[WCF.Action.Scroll] Given threshold is invalid, aborting.");
-			return;
-		}
-		
-		if ($.isFunction(callback)) this._callback = callback;
-		if (this._callback === null) {
-			console.debug("[WCF.Action.Scroll] Given callback is invalid, aborting.");
-			return;
-		}
-		
-		// bind element references
-		this._reference = $((reference) ? reference : window);
-		this._target = $((target) ? target : document);
-		
-		// watch for scroll event
-		this.start();
-		
-		// check if browser navigated back and jumped to offset before JavaScript was loaded
-		this._scroll();
-	},
-	
-	/**
-	 * Calculates if threshold is reached and notifies callback.
-	 */
-	_scroll: function() {
-		var $targetHeight = this._target.height();
-		var $topOffset = this._reference.scrollTop();
-		var $referenceHeight = this._reference.height();
-		
-		// calculate if defined threshold is visible
-		if (($targetHeight - ($referenceHeight + $topOffset)) < this._threshold) {
-			this._callback(this);
-		}
-	},
-	
-	/**
-	 * Enables scroll monitoring, may be used to resume.
-	 */
-	start: function() {
-		this._reference.on('scroll', $.proxy(this._scroll, this));
-	},
-	
-	/**
-	 * Disables scroll monitoring, e.g. no more elements loadable.
-	 */
-	stop: function() {
-		this._reference.off('scroll');
-	}
-});
-
 /**
  * Namespace for date-related functions.
  */
-- 
2.20.1