scripts: drop outdated header scrolling code

1 files changed, 11 insertions, 73 deletions

diff --git a/src/main/assets/scripts.js b/src/main/assets/scripts.js
index ef02dca8..de4669b6 100644
--- a/src/main/assets/scripts.js
+++ b/src/main/assets/scripts.js
@@ -142,7 +142,7 @@ function initES() {
             pageTitle = document.title;
         }
     };
-    es.addEventListener('msg',  msg => {
+    es.addEventListener('msg', msg => {
         try {
             var jsonMsg = JSON.parse(msg.data);
             console.log('data: ' + msg.data);
@@ -521,9 +521,9 @@ function likeMessage(e, mid) {
     if (confirm(i18n('message.likeThisMessage?'))) {
         fetch('/api/like?mid=' + mid
             + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
-                method: 'POST',
-                credentials: 'omit'
-            })
+            method: 'POST',
+            credentials: 'omit'
+        })
             .then(handleErrors)
             .then(function(response) {
                 if (response.ok) {
@@ -540,9 +540,9 @@ function likeMessage(e, mid) {
 function subscribeMessage(e, mid) {
     fetch('/api/subscribe?mid=' + mid
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
-            method: 'POST',
-            credentials: 'omit'
-        })
+        method: 'POST',
+        credentials: 'omit'
+    })
         .then(handleErrors)
         .then(function(response) {
             if (response.ok) {
@@ -563,8 +563,8 @@ function setPopular(e, mid, popular) {
     fetch('/api/messages/set_popular?mid=' + mid
         + '&popular=' + popular
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
-            credentials: 'same-origin'
-        })
+        credentials: 'same-origin'
+    })
         .then(handleErrors)
         .then(function() {
             e.closest('article').append(resultMessage('OK!'));
@@ -575,8 +575,8 @@ function setPopular(e, mid, popular) {
 function setPrivacy(e, mid) {
     fetch('/api/messages/set_privacy?mid=' + mid
         + '&hash=' + document.getElementById('body').getAttribute('data-hash'), {
-            credentials: 'same-origin'
-        })
+        credentials: 'same-origin'
+    })
         .then(handleErrors)
         .then(function() {
             e.closest('article').append(resultMessage('OK!'));
@@ -876,66 +876,4 @@ ready(function() {
     initES();
 
     embedAll();
-    var elSelector = 'header',
-        elClassHidden = 'header--hidden',
-        elClassBackground = 'header--background',
-        throttleTimeout = 500,
-        element = document.querySelector(elSelector);
-
-    if (element) {
-
-        var dHeight = 0,
-            wHeight = 0,
-            wScrollCurrent = 0,
-            wScrollBefore = 0,
-            wScrollDiff = 0,
-
-            throttle = function(delay, fn) {
-                var last, deferTimer;
-                return function() {
-                    var context = this, args = arguments, now = +new Date;
-                    if (last && now < last + delay) {
-                        clearTimeout(deferTimer);
-                        deferTimer = setTimeout(
-                            function() {
-                                last = now;
-                                fn.apply(context, args);
-                            },
-                            delay);
-                    } else {
-                        last = now;
-                        fn.apply(context, args);
-                    }
-                };
-            };
-
-        window.addEventListener('scroll', throttle(throttleTimeout, function() {
-            dHeight = document.body.offsetHeight;
-            wHeight = window.innerHeight;
-            wScrollCurrent = window.pageYOffset;
-            wScrollDiff = wScrollBefore - wScrollCurrent;
-
-            if (wScrollCurrent <= 0) {
-                // scrolled to the very top; element sticks to the top
-                element.classList.remove(elClassHidden);
-                element.classList.remove(elClassBackground);
-            } else if (wScrollDiff > 0 && element.classList.contains(elClassHidden)) {
-                // scrolled up; element slides in
-                element.classList.remove(elClassHidden);
-                element.classList.add(elClassBackground);
-            } else if (wScrollDiff < 0) {
-                // scrolled down
-                if (wScrollCurrent + wHeight >= dHeight && element.classList.contains(elClassHidden)) {
-                    // scrolled to the very bottom; element slides in
-                    element.classList.remove(elClassHidden);
-                    element.classList.add(elClassBackground);
-                } else {
-                    // scrolled down; element slides out
-                    element.classList.add(elClassHidden);
-                }
-            }
-
-            wScrollBefore = wScrollCurrent;
-        }));
-    }
 });