From 04bcea6a575477ed7e7eaade8a62bb24e3613646 Mon Sep 17 00:00:00 2001
From: Martti Malmi <sirius@iki.fi>
Date: Mon, 12 Jul 2021 12:37:48 +0300
Subject: [PATCH] remove commented-out stuff

---
 src/js/components/MessageFeed.js | 82 --------------------------------
 1 file changed, 82 deletions(-)

diff --git a/src/js/components/MessageFeed.js b/src/js/components/MessageFeed.js
index de6fd97c..a7dde46f 100644
--- a/src/js/components/MessageFeed.js
+++ b/src/js/components/MessageFeed.js
@@ -83,88 +83,6 @@ class MessageFeed extends Component {
       </div>
     `;
   }
-  /*
-  adjustPaddings(isScrollDown) {
-    const container = document.getElementById("container");
-    const currentPaddingTop = getNumFromStyle(container.style.paddingTop);
-    const currentPaddingBottom = getNumFromStyle(container.style.paddingBottom);
-    const remPaddingsVal = 198 * (size / 2); // TODO: calculate actual element heights
-    if (isScrollDown) {
-      container.style.paddingTop = currentPaddingTop + remPaddingsVal + "px";
-      container.style.paddingBottom = currentPaddingBottom === 0 ? "0px" : currentPaddingBottom - remPaddingsVal + "px";
-    } else {
-      container.style.paddingBottom = currentPaddingBottom + remPaddingsVal + "px";
-      if (currentPaddingTop === 0) {
-        $(window).scrollTop($('#post0').offset().top + remPaddingsVal);
-      } else {
-        container.style.paddingTop = currentPaddingTop - remPaddingsVal + "px";
-      }
-    }
-  }
-
-  topSentCallback(entry) {
-    const container = document.getElementById("container");
-
-    const currentY = entry.boundingClientRect.top;
-    const currentRatio = entry.intersectionRatio;
-    const isIntersecting = entry.isIntersecting;
-
-    // conditional check for Scrolling up
-    if (
-      currentY > topSentinelPreviousY &&
-      isIntersecting &&
-      currentRatio >= topSentinelPreviousRatio &&
-      scroller.center !== previousUpIndex && // stop if no new results were received
-      scroller.opts.stickTo !== 'top'
-    ) {
-      previousUpIndex = scroller.center;
-      adjustPaddings(false);
-      scroller.up(size / 2);
-    }
-    topSentinelPreviousY = currentY;
-    topSentinelPreviousRatio = currentRatio;
-  }
-
-  botSentCallback(entry) {
-    const currentY = entry.boundingClientRect.top;
-    const currentRatio = entry.intersectionRatio;
-    const isIntersecting = entry.isIntersecting;
-
-    // conditional check for Scrolling down
-    if (
-      currentY < bottomSentinelPreviousY &&
-      currentRatio > bottomSentinelPreviousRatio &&
-      isIntersecting &&
-      scroller.center !== previousDownIndex &&  // stop if no new results were received
-      scroller.opts.stickTo !== 'bottom'
-    ) {
-      previousDownIndex = scroller.center;
-      adjustPaddings(true);
-      scroller.down(size / 2);
-    }
-    bottomSentinelPreviousY = currentY;
-    bottomSentinelPreviousRatio = currentRatio;
-  }
-
-  initIntersectionObserver() {
-    const options = {
-      //rootMargin: '190px',
-    }
-
-    const callback = entries => {
-      entries.forEach(entry => {
-        if (entry.target.id === 'post0') {
-          topSentCallback(entry);
-        } else if (entry.target.id === `post${size - 1}`) {
-          botSentCallback(entry);
-        }
-      });
-    }
-
-    var observer = new IntersectionObserver(callback, options); // TODO: It's possible to quickly scroll past the sentinels without them firing. Top and bottom sentinels should extend to page top & bottom?
-    observer.observe(document.querySelector("#post0"));
-    observer.observe(document.querySelector(`#post${size - 1}`));
-  } */
 }
 
 export default MessageFeed;