Hide topbar when mobile orientation in landscape mode (resolve #459)

_includes/topbar.html

@@ -2,7 +2,7 @@
   The Top Bar
 -->
 
-<div id="topbar-wrapper" class="row justify-content-center topbar-down">
+<div id="topbar-wrapper" class="row justify-content-center">
   <div id="topbar" class="col-11 d-flex h-100 align-items-center justify-content-between">
     <span id="breadcrumb">
 

_javascript/commons/scroll-helper.js

@@ -0,0 +1,36 @@
+/**
+ * A tool for smooth scrolling and topbar switcher
+ */
+const ScrollHelper = (function () {
+  const $body = $("body");
+  const ATTR_TOPBAR_VISIBLE = "topbar-visible";
+  const topbarHeight = $("#topbar-wrapper").outerHeight();
+
+  let scrollUpCount = 0; // the number of times the scroll up was triggered by ToC or anchor
+  let topbarLocked = false;
+  let orientationLocked = false;
+
+  return {
+    hideTopbar: () => $body.attr(ATTR_TOPBAR_VISIBLE, false),
+    showTopbar: () => $body.attr(ATTR_TOPBAR_VISIBLE, true),
+
+    // scroll up
+
+    addScrollUpTask: () => {
+      scrollUpCount += 1;
+      if (!topbarLocked) { topbarLocked = true; }
+    },
+    popScrollUpTask: () => scrollUpCount -= 1,
+    hasScrollUpTask: () => scrollUpCount > 0,
+    topbarLocked: () => topbarLocked === true,
+    unlockTopbar: () => topbarLocked = false,
+    getTopbarHeight: () => topbarHeight,
+
+    // orientation change
+
+    orientationLocked: () => orientationLocked === true,
+    lockOrientation: () => orientationLocked = true,
+    unLockOrientation: () => orientationLocked = false
+  };
+
+}());

_javascript/commons/topbar-switch.js

@@ -1,70 +0,0 @@
-/*
- * Hide Header on scroll down
- */
-
-$(function() {
-  const $topbarWrapper = $("#topbar-wrapper");
-  const $topbarTitle = $("#topbar-title");
-  const $panel = $("#panel-wrapper");
-  const $searchInput = $("#search-input");
-
-  const CLASS_TOPBAR_UP = "topbar-up";
-  const CLASS_TOPBAR_DOWN = "topbar-down";
-  const ATTR_TOC_SCROLLING_UP = "toc-scrolling-up"; // topbar locked
-
-  let didScroll;
-  let lastScrollTop = 0;
-
-  const delta = $topbarWrapper.outerHeight();
-  const topbarHeight = $topbarWrapper.outerHeight();
-
-  function hasScrolled() {
-    let st = $(this).scrollTop();
-
-    /* Make sure they scroll more than delta */
-    if (Math.abs(lastScrollTop - st) <= delta) {
-      return;
-    }
-
-    if (st > lastScrollTop ) { // Scroll Down
-      if (st > topbarHeight) {
-        $topbarWrapper.removeClass(CLASS_TOPBAR_DOWN).addClass(CLASS_TOPBAR_UP);
-        $panel.removeClass(CLASS_TOPBAR_DOWN);
-
-        if ($searchInput.is(":focus")) {
-          $searchInput.blur(); /* remove focus */
-        }
-      }
-    } else  {// Scroll up
-      // did not reach the bottom of the document, i.e., still have space to scroll up
-      if (st + $(window).height() < $(document).height()) {
-        let tocScrollingUp = $topbarWrapper.attr(ATTR_TOC_SCROLLING_UP);
-        if (typeof tocScrollingUp !== "undefined") {
-          if (tocScrollingUp === "false") {
-            $topbarWrapper.removeAttr(ATTR_TOC_SCROLLING_UP);
-          }
-
-        } else {
-          $topbarWrapper.removeClass(CLASS_TOPBAR_UP).addClass(CLASS_TOPBAR_DOWN);
-          $panel.addClass(CLASS_TOPBAR_DOWN);
-        }
-      }
-    }
-
-    lastScrollTop = st;
-  }
-
-  $(window).scroll(function(event) {
-    if ($topbarTitle.is(":hidden")) {
-      didScroll = true;
-    }
-  });
-
-  setInterval(function() {
-    if (didScroll) {
-      hasScrolled();
-      didScroll = false;
-    }
-  }, 250);
-
-});

_javascript/commons/topbar-switcher.js

@@ -0,0 +1,90 @@
+/*
+ * Hide Header on scroll down
+ */
+
+$(function() {
+  const $searchInput = $("#search-input");
+  const delta = ScrollHelper.getTopbarHeight();
+
+  let didScroll;
+  let lastScrollTop = 0;
+
+  function hasScrolled() {
+    let st = $(this).scrollTop();
+
+    /* Make sure they scroll more than delta */
+    if (Math.abs(lastScrollTop - st) <= delta) {
+      return;
+    }
+
+    if (st > lastScrollTop ) { // Scroll Down
+      ScrollHelper.hideTopbar();
+
+      if ($searchInput.is(":focus")) {
+        $searchInput.blur(); /* remove focus */
+      }
+
+    } else  { // Scroll up
+      // has not yet scrolled to the bottom of the screen, that is, there is still space for scrolling
+      if (st + $(window).height() < $(document).height()) {
+
+        if (ScrollHelper.hasScrollUpTask()) {
+          return;
+        }
+
+        if (ScrollHelper.topbarLocked()) { // avoid redundant scroll up event from smooth scrolling
+          ScrollHelper.unlockTopbar();
+        } else {
+          if (ScrollHelper.orientationLocked()) { // avoid device auto scroll up on orientation change
+            ScrollHelper.unLockOrientation();
+          } else {
+            ScrollHelper.showTopbar();
+          }
+        }
+      }
+    }
+
+    lastScrollTop = st;
+
+  } // hasScrolled()
+
+  function handleLandscape() {
+    if ($(window).scrollTop() === 0) {
+      return;
+    }
+    ScrollHelper.lockOrientation();
+    ScrollHelper.hideTopbar();
+  }
+
+  if (screen.orientation) {
+    screen.orientation.onchange = () => {
+      const type = screen.orientation.type;
+      if (type ===  "landscape-primary" || type === "landscape-secondary") {
+        handleLandscape();
+      }
+    };
+
+  } else {
+    // for the browsers that not support `window.screen.orientation` API
+    $(window).on("orientationchange",() => {
+      if ($(window).width() < $(window).height()) { // before rotating, it is still in portrait mode.
+        handleLandscape();
+      }
+    });
+  }
+
+  $(window).scroll(() => {
+    if (didScroll) {
+      return;
+    }
+    didScroll = true;
+  });
+
+  setInterval(() => {
+    if (didScroll) {
+      hasScrolled();
+      didScroll = false;
+    }
+  }, 250);
+
+});

_javascript/commons/topbar-title.js

@@ -14,17 +14,22 @@ $(function() {
   }
 
   const defaultTitleText = $topbarTitle.text().trim();
-  let titleText = $pageTitle.text().trim();
+  let pageTitleText = $pageTitle.text().trim();
   let hasScrolled = false;
   let lastScrollTop = 0;
 
   if ($("#page-category").length || $("#page-tag").length) {
     /* The title in Category or Tag page will be "<title> <count_of_posts>" */
-    if (/\s/.test(titleText)) {
+    if (/\s/.test(pageTitleText)) {
-      titleText = titleText.replace(/[0-9]/g, "").trim();
+      pageTitleText = pageTitleText.replace(/[0-9]/g, "").trim();
     }
   }
 
+  // When the page is scrolled down and then refreshed, the topbar title needs to be initialized
+  if ($pageTitle.offset().top < $(window).scrollTop()) {
+    $topbarTitle.text(pageTitleText);
+  }
+
   let options = {
     rootMargin: '-48px 0px 0px 0px', // 48px equals to the topbar height (3rem)
     threshold: [0, 1]
@@ -43,7 +48,7 @@ $(function() {
 
     if (isScrollDown) {
       if (heading.intersectionRatio === 0) {
-        $topbarTitle.text(titleText);
+        $topbarTitle.text(pageTitleText);
       }
     } else {
       if (heading.intersectionRatio === 1) {

_javascript/utils/smooth-scroll.js

@@ -8,21 +8,16 @@
 */
 
 $(function() {
-  const $topbarWrapper = $("#topbar-wrapper");
-  const topbarHeight = $topbarWrapper.outerHeight();
   const $topbarTitle = $("#topbar-title");
-
-  const ATTR_TOC_SCROLLING = "toc-scrolling-up";
-  const SCROLL_MARK = "scroll-focus";
   const REM = 16; // in pixels
-  let tocScrollUpCount = 0;
+  const ATTR_SCROLL_FOCUS = "scroll-focus";
 
   $("a[href*='#']")
     .not("[href='#']")
     .not("[href='#0']")
     .click(function(event) {
-
+      if (this.pathname.replace(/^\//, "") !==
-      if (this.pathname.replace(/^\//, "") !== location.pathname.replace(/^\//, "")) {
+            location.pathname.replace(/^\//, "")) {
         return;
       }
 
@@ -36,9 +31,8 @@ $(function() {
       let selector = hash.includes(":") ? hash.replace(/\:/g, "\\:") : hash;
       let $target = $(selector);
 
-      let parent = $(this).parent().prop("tagName");
+      let isMobileViews = $topbarTitle.is(":visible");
-      let isAnchor = RegExp(/^H\d/).test(parent);
+      let isPortrait = $(window).width() < $(window).height();
-      let isMobileViews = !$topbarTitle.is(":hidden");
 
       if (typeof $target === "undefined") {
         return;
@@ -50,26 +44,20 @@ $(function() {
         history.pushState(null, null, hash);
       }
 
-      let curOffset = isAnchor ? $(this).offset().top : $(window).scrollTop();
+      let curOffset = $(window).scrollTop();
       let destOffset = $target.offset().top -= REM / 2;
 
       if (destOffset < curOffset) { // scroll up
-        if (!isAnchor && !toFootnote) { // trigger by ToC item
+        ScrollHelper.hideTopbar();
-          if (!isMobileViews) { // on desktop/tablet screens
+        ScrollHelper.addScrollUpTask();
-            $topbarWrapper.removeClass("topbar-down").addClass("topbar-up");
+
-            // Send message to `${JS_ROOT}/commons/topbar-switch.js`
+        if (isMobileViews && isPortrait) {
-            $topbarWrapper.attr(ATTR_TOC_SCROLLING, true);
+          destOffset -= ScrollHelper.getTopbarHeight();
-            tocScrollUpCount += 1;
-          }
         }
 
-        if ((isAnchor || toFootnoteRef) && isMobileViews) {
+      } else { // scroll down
-          destOffset -= topbarHeight;
+        if (isMobileViews && isPortrait) {
-        }
+          destOffset -= ScrollHelper.getTopbarHeight();
-
-      } else {
-        if (isMobileViews) {
-          destOffset -= topbarHeight;
         }
       }
 
@@ -79,18 +67,18 @@ $(function() {
         $target.focus();
 
         /* clean up old scroll mark */
-        if ($(`[${SCROLL_MARK}=true]`).length) {
+        if ($(`[${ATTR_SCROLL_FOCUS}=true]`).length) {
-          $(`[${SCROLL_MARK}=true]`).attr(SCROLL_MARK, false);
+          $(`[${ATTR_SCROLL_FOCUS}=true]`).attr(ATTR_SCROLL_FOCUS, false);
         }
 
         /* Clean :target links */
         if ($(":target").length) { /* element that visited by the URL with hash */
-          $(":target").attr(SCROLL_MARK, false);
+          $(":target").attr(ATTR_SCROLL_FOCUS, false);
         }
 
         /* set scroll mark to footnotes */
         if (toFootnote || toFootnoteRef) {
-          $target.attr(SCROLL_MARK, true);
+          $target.attr(ATTR_SCROLL_FOCUS, true);
         }
 
         if ($target.is(":focus")) { /* Checking if the target was focused */
@@ -100,12 +88,8 @@ $(function() {
           $target.focus(); /* Set focus again */
         }
 
-        if (typeof $topbarWrapper.attr(ATTR_TOC_SCROLLING) !== "undefined") {
+        if (ScrollHelper.hasScrollUpTask()) {
-          tocScrollUpCount -= 1;
+          ScrollHelper.popScrollUpTask();
-
-          if (tocScrollUpCount <= 0) {
-            $topbarWrapper.attr(ATTR_TOC_SCROLLING, "false");
-          }
         }
       });
     }); /* click() */

_layouts/default.html

@@ -21,7 +21,7 @@ layout: compress
     {% include mode-toggle.html %}
   {% endunless %}
 
-  <body data-spy="scroll" data-target="#toc">
+  <body data-spy="scroll" data-target="#toc" topbar-visible="true">
 
     {% include sidebar.html %}
 

_layouts/page.html

@@ -34,7 +34,7 @@ layout: default
   </div> <!-- #core-wrapper -->
 
   <!-- pannel -->
-  <div id="panel-wrapper" class="col-xl-3 pl-2 text-muted topbar-down">
+  <div id="panel-wrapper" class="col-xl-3 pl-2 text-muted">
 
     <div class="access">
       {% include update-list.html %}

_sass/addon/commons.scss

@@ -247,7 +247,7 @@ img[data-src] {
     }
   }
 
-  &.topbar-down > div {
+  [topbar-visible=true] & > div {
     top: 6rem;
   }
 }
@@ -570,10 +570,6 @@ img[data-src] {
   box-shadow: 0 0 8px 0 var(--btn-box-shadow) !important;
 }
 
-.topbar-up {
-  top: -3rem !important; /* same as topbar height. */
-}
-
 .no-text-decoration {
   @include no-text-decoration;
 }
@@ -876,6 +872,10 @@ $sidebar-display: "sidebar-display";
   z-index: 50;
   border-bottom: 1px solid rgba(0, 0, 0, 0.07);
   background-color: var(--topbar-wrapper-bg);
+
+  [topbar-visible=false] & {
+    top: -$topbar-height; /* same as topbar height. */
+  }
 }
 
 #topbar {
@@ -1193,9 +1193,15 @@ $sidebar-display: "sidebar-display";
 
 /* hide sidebar and panel */
 @media all and (max-width: 849px) {
-  %slide {
+  @mixin slide($append: null) {
-    -webkit-transition: transform 0.4s ease;
+    $basic: transform 0.4s ease;
-    transition: transform 0.4s ease;
+    @if $append {
+      -webkit-transition: $basic, $append;
+      transition: $basic, $append;
+    } @else {
+      -webkit-transition: $basic;
+      transition: $basic;
+    }
   }
 
   html,
@@ -1203,15 +1209,6 @@ $sidebar-display: "sidebar-display";
     overflow-x: hidden;
   }
 
-  .footnotes ol > li {
-    padding-top: 3.5rem;
-    margin-top: -3.2rem;
-
-    &:first-child {
-      margin-top: -3.5rem;
-    }
-  }
-
   [#{$sidebar-display}] {
     #sidebar {
       transform: translateX(0);
@@ -1221,11 +1218,10 @@ $sidebar-display: "sidebar-display";
     #main-wrapper {
       transform: translateX(#{$sidebar-width});
     }
-
   }
 
   #sidebar {
-    @extend %slide;
+    @include slide;
 
     transform: translateX(-#{$sidebar-width}); // hide
     -webkit-transform: translateX(-#{$sidebar-width});
@@ -1238,7 +1234,7 @@ $sidebar-display: "sidebar-display";
   }
 
   #main-wrapper {
-    @extend %slide;
+    @include slide;
 
     padding-top: $topbar-height;
   }
@@ -1253,15 +1249,11 @@ $sidebar-display: "sidebar-display";
   }
 
   #topbar-wrapper {
-    @extend %slide;
+    @include slide(top 0.2s ease);
 
     left: 0;
   }
 
-  .topbar-up {
-    top: 0 !important;
-  }
-
   #main > div.row:first-child > div:nth-child(1),
   #main > div.row:first-child > div:nth-child(2) {
     margin-top: 0;
@@ -1308,6 +1300,12 @@ $sidebar-display: "sidebar-display";
 
 } // max-width: 849px
 
+@media all and (max-width: 849px) and (orientation: portrait) {
+  [topbar-visible=false] #topbar-wrapper {
+    top: 0;
+  }
+}
+
 /* Phone & Pad */
 @media all and (min-width: 577px) and (max-width: 1199px) {
   footer > .d-flex > div {
@@ -1353,10 +1351,6 @@ $sidebar-display: "sidebar-display";
     right: 1.2rem;
   }
 
-  .topbar-up {
-    box-shadow: none !important;
-  }
-
   #topbar-title {
     text-align: left;
   }

assets/js/dist/categories.min.js

@@ -3,4 +3,4 @@
  * © 2019 Cotes Chung
  * MIT Licensed
  */
-$(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(e=>{const o=$(e.target);let t=o.prop("tagName")==="button".toUpperCase()?o:o.parent();t.blur(),flipMode()})}),$(function(){const e=$("#sidebar-trigger"),o=$("#search-trigger"),t=$("#search-cancel"),s=$("#search-cleaner"),a=$("#main"),l=$("#topbar-title"),r=$("#search-wrapper"),n=$("#search-result-wrapper"),d=$("#search-results"),i=$("#search-input"),c=$("#search-hints"),u=function(){let e=0;return{block(){e=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(e)},getOffset(){return e}}}(),f={on(){e.addClass("unloaded"),l.addClass("unloaded"),o.addClass("unloaded"),r.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),r.removeClass("d-flex"),e.removeClass("unloaded"),l.removeClass("unloaded"),o.removeClass("unloaded")}},p=function(){let e=!1;return{on(){e||(u.block(),n.removeClass("unloaded"),a.addClass("unloaded"),e=!0)},off(){e&&(d.empty(),c.hasClass("unloaded")&&c.removeClass("unloaded"),n.addClass("unloaded"),s.removeClass("visible"),a.removeClass("unloaded"),u.release(),i.val(""),e=!1)},isVisible(){return e}}}();function h(){return t.hasClass("loaded")}o.click(function(){f.on(),p.on(),i.focus()}),t.click(function(){f.off(),p.off()}),i.focus(function(){r.addClass("input-focus")}),i.focusout(function(){r.removeClass("input-focus")}),i.on("keyup",function(e){8===e.keyCode&&""===i.val()?h()?c.removeClass("unloaded"):p.off():""!==i.val()&&(p.on(),s.hasClass("visible")||s.addClass("visible"),h()&&c.addClass("unloaded"))}),s.on("click",function(){i.val(""),h()?(c.removeClass("unloaded"),d.empty()):p.off(),i.focus(),s.removeClass("visible")})}),$(function(){var e=function(){const e="sidebar-display";let o=!1;const t=$("body");return{toggle(){!1===o?t.attr(e,""):t.removeAttr(e),o=!o}}}();$("#sidebar-trigger").click(e.toggle),$("#mask").click(e.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const t=$("#topbar-wrapper"),o=$("#topbar-title"),s=$("#panel-wrapper"),a=$("#search-input"),l="topbar-up",r="topbar-down",n="toc-scrolling-up";let d,i=0;const c=t.outerHeight(),u=t.outerHeight();$(window).scroll(function(e){o.is(":hidden")&&(d=!0)}),setInterval(function(){d&&(function(){var e,o=$(this).scrollTop();Math.abs(i-o)<=c||(o>i?o>u&&(t.removeClass(r).addClass(l),s.removeClass(r),a.is(":focus")&&a.blur()):o+$(window).height()<$(document).height()&&(void 0!==(e=t.attr(n))?"false"===e&&t.removeAttr(n):(t.removeClass(l).addClass(r),s.addClass(r))),i=o)}(),d=!1)},250)}),$(function(){var o="div.post>h1:first-of-type";const t=$(o),r=$("#topbar-title");if(0!==t.length&&!t.hasClass("dynamic-title")&&!r.is(":hidden")){const n=r.text().trim();let s=t.text().trim(),a=!1,l=0;($("#page-category").length||$("#page-tag").length)&&/\s/.test(s)&&(s=s.replace(/[0-9]/g,"").trim());let e=new IntersectionObserver(e=>{var o,t;a?(o=$(window).scrollTop(),t=l<o,l=o,e=e[0],t?0===e.intersectionRatio&&r.text(s):1===e.intersectionRatio&&r.text(n)):a=!0},{rootMargin:"-48px 0px 0px 0px",threshold:[0,1]});e.observe(document.querySelector(o)),r.click(function(){$("body,html").animate({scrollTop:0},800)})}}),$(function(){const e=$(".collapse");e.on("hide.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder-open`).attr("class","far fa-folder fa-fw"),$(`#${e} i.fas`).addClass("rotate"),$("#"+e).removeClass("hide-border-bottom"))}),e.on("show.bs.collapse",function(){var e="h_"+$(this).attr("id").substring("l_".length);e&&($(`#${e} .far.fa-folder`).attr("class","far fa-folder-open fa-fw"),$(`#${e} i.fas`).removeClass("rotate"),$("#"+e).addClass("hide-border-bottom"))})});
+$(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(o=>{const e=$(o.target);let t=e.prop("tagName")==="button".toUpperCase()?e:e.parent();t.blur(),flipMode()})});const ScrollHelper=function(){const o=$("body"),e="topbar-visible",t=$("#topbar-wrapper").outerHeight();let l=0,a=!1,r=!1;return{hideTopbar:()=>o.attr(e,!1),showTopbar:()=>o.attr(e,!0),addScrollUpTask:()=>{l+=1,a=a||!0},popScrollUpTask:()=>--l,hasScrollUpTask:()=>0<l,topbarLocked:()=>!0===a,unlockTopbar:()=>a=!1,getTopbarHeight:()=>t,orientationLocked:()=>!0===r,lockOrientation:()=>r=!0,unLockOrientation:()=>r=!1}}();$(function(){const o=$("#sidebar-trigger"),e=$("#search-trigger"),t=$("#search-cancel"),l=$("#search-cleaner"),a=$("#main"),r=$("#topbar-title"),s=$("#search-wrapper"),n=$("#search-result-wrapper"),i=$("#search-results"),c=$("#search-input"),d=$("#search-hints"),p=function(){let o=0;return{block(){o=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(o)},getOffset(){return o}}}(),f={on(){o.addClass("unloaded"),r.addClass("unloaded"),e.addClass("unloaded"),s.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),s.removeClass("d-flex"),o.removeClass("unloaded"),r.removeClass("unloaded"),e.removeClass("unloaded")}},u=function(){let o=!1;return{on(){o||(p.block(),n.removeClass("unloaded"),a.addClass("unloaded"),o=!0)},off(){o&&(i.empty(),d.hasClass("unloaded")&&d.removeClass("unloaded"),n.addClass("unloaded"),l.removeClass("visible"),a.removeClass("unloaded"),p.release(),c.val(""),o=!1)},isVisible(){return o}}}();function h(){return t.hasClass("loaded")}e.click(function(){f.on(),u.on(),c.focus()}),t.click(function(){f.off(),u.off()}),c.focus(function(){s.addClass("input-focus")}),c.focusout(function(){s.removeClass("input-focus")}),c.on("keyup",function(o){8===o.keyCode&&""===c.val()?h()?d.removeClass("unloaded"):u.off():""!==c.val()&&(u.on(),l.hasClass("visible")||l.addClass("visible"),h()&&d.addClass("unloaded"))}),l.on("click",function(){c.val(""),h()?(d.removeClass("unloaded"),i.empty()):u.off(),c.focus(),l.removeClass("visible")})}),$(function(){var o=function(){const o="sidebar-display";let e=!1;const t=$("body");return{toggle(){!1===e?t.attr(o,""):t.removeAttr(o),e=!e}}}();$("#sidebar-trigger").click(o.toggle),$("#mask").click(o.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const e=$("#search-input"),t=ScrollHelper.getTopbarHeight();let o,l=0;function a(){0!==$(window).scrollTop()&&(ScrollHelper.lockOrientation(),ScrollHelper.hideTopbar())}screen.orientation?screen.orientation.onchange=()=>{var o=screen.orientation.type;"landscape-primary"!==o&&"landscape-secondary"!==o||a()}:$(window).on("orientationchange",()=>{$(window).width()<$(window).height()&&a()}),$(window).scroll(()=>{o=o||!0}),setInterval(()=>{o&&(function(){var o=$(this).scrollTop();if(!(Math.abs(l-o)<=t)){if(o>l)ScrollHelper.hideTopbar(),e.is(":focus")&&e.blur();else if(o+$(window).height()<$(document).height()){if(ScrollHelper.hasScrollUpTask())return;ScrollHelper.topbarLocked()?ScrollHelper.unlockTopbar():ScrollHelper.orientationLocked()?ScrollHelper.unLockOrientation():ScrollHelper.showTopbar()}l=o}}(),o=!1)},250)}),$(function(){var e="div.post>h1:first-of-type";const t=$(e),s=$("#topbar-title");if(0!==t.length&&!t.hasClass("dynamic-title")&&!s.is(":hidden")){const n=s.text().trim();let l=t.text().trim(),a=!1,r=0;($("#page-category").length||$("#page-tag").length)&&/\s/.test(l)&&(l=l.replace(/[0-9]/g,"").trim()),t.offset().top<$(window).scrollTop()&&s.text(l);let o=new IntersectionObserver(o=>{var e,t;a?(e=$(window).scrollTop(),t=r<e,r=e,o=o[0],t?0===o.intersectionRatio&&s.text(l):1===o.intersectionRatio&&s.text(n)):a=!0},{rootMargin:"-48px 0px 0px 0px",threshold:[0,1]});o.observe(document.querySelector(e)),s.click(function(){$("body,html").animate({scrollTop:0},800)})}}),$(function(){const o=$(".collapse");o.on("hide.bs.collapse",function(){var o="h_"+$(this).attr("id").substring("l_".length);o&&($(`#${o} .far.fa-folder-open`).attr("class","far fa-folder fa-fw"),$(`#${o} i.fas`).addClass("rotate"),$("#"+o).removeClass("hide-border-bottom"))}),o.on("show.bs.collapse",function(){var o="h_"+$(this).attr("id").substring("l_".length);o&&($(`#${o} .far.fa-folder`).attr("class","far fa-folder-open fa-fw"),$(`#${o} i.fas`).removeClass("rotate"),$("#"+o).addClass("hide-border-bottom"))})});

assets/js/dist/commons.min.js

@@ -3,4 +3,4 @@
  * © 2019 Cotes Chung
  * MIT Licensed
  */
-$(function(){$(window).scroll(()=>{50<$(this).scrollTop()&&"none"===$("#sidebar-trigger").css("display")?$("#back-to-top").fadeIn():$("#back-to-top").fadeOut()}),$("#back-to-top").click(()=>($("body,html").animate({scrollTop:0},800),!1))}),$(function(){$(".mode-toggle").click(e=>{const o=$(e.target);let t=o.prop("tagName")==="button".toUpperCase()?o:o.parent();t.blur(),flipMode()})}),$(function(){const e=$("#sidebar-trigger"),o=$("#search-trigger"),t=$("#search-cancel"),s=$("#search-cleaner"),a=$("#main"),l=$("#topbar-title"),n=$("#search-wrapper"),r=$("#search-result-wrapper"),i=$("#search-results"),d=$("#search-input"),c=$("#search-hints"),u=function(){let e=0;return{block(){e=window.scrollY,$("html,body").scrollTop(0)},release(){$("html,body").scrollTop(e)},getOffset(){return e}}}(),p={on(){e.addClass("unloaded"),l.addClass("unloaded"),o.addClass("unloaded"),n.addClass("d-flex"),t.addClass("loaded")},off(){t.removeClass("loaded"),n.removeClass("d-flex"),e.removeClass("unloaded"),l.removeClass("unloaded"),o.removeClass("unloaded")}},f=function(){let e=!1;return{on(){e||(u.block(),r.removeClass("unloaded"),a.addClass("unloaded"),e=!0)},off(){e&&(i.empty(),c.hasClass("unloaded")&&c.removeClass("unloaded"),r.addClass("unloaded"),s.removeClass("visible"),a.removeClass("unloaded"),u.release(),d.val(""),e=!1)},isVisible(){return e}}}();function m(){return t.hasClass("loaded")}o.click(function(){p.on(),f.on(),d.focus()}),t.click(function(){p.off(),f.off()}),d.focus(function(){n.addClass("input-focus")}),d.focusout(function(){n.removeClass("input-focus")}),d.on("keyup",function(e){8===e.keyCode&&""===d.val()?m()?c.removeClass("unloaded"):f.off():""!==d.val()&&(f.on(),s.hasClass("visible")||s.addClass("visible"),m()&&c.addClass("unloaded"))}),s.on("click",function(){d.val(""),m()?(c.removeClass("unloaded"),i.empty()):f.off(),d.focus(),s.removeClass("visible")})}),$(function(){var e=function(){const e="sidebar-display";let o=!1;const t=$("body");return{toggle(){!1===o?t.attr(e,""):t.removeAttr(e),o=!o}}}();$("#sidebar-trigger").click(e.toggle),$("#mask").click(e.toggle)}),$(function(){$('[data-toggle="tooltip"]').tooltip()}),$(function(){const t=$("#topbar-wrapper"),o=$("#topbar-title"),s=$("#panel-wrapper"),a=$("#search-input"),l="topbar-up",n="topbar-down",r="toc-scrolling-up";let i,d=0;const c=t.outerHeight(),u=t.outerHeight();$(window).scroll(function(e){o.is(":hidden")&&(i=!0)}),setInterval(function(){i&&(function(){var e,o=$(this).scrollTop();Math.abs(d-o)<=c||(o>d?o>u&&(t.removeClass(n).addClass(l),s.removeClass(n),a.is(":focus")&&a.blur()):o+$(window).height()<$(document).height()&&(void 0!==(e=t.attr(r))?"false"===e&&t.removeAttr(r):(t.removeClass(l).addClass(n),s.addClass(n))),d=o)}(),i=!1)},250)}),$(function(){var o="div.post>h1:first-of-type";const t=$(o),n=$("#topbar-title");if(0!==t.length&&!t.hasClass("dynamic-title")&&!n.is(":hidden")){const r=n.text().trim();let s=t.text().trim(),a=!1,l=0;($("#page-category").length||$("#page-tag").length)&&/\s/.test(s)&&(s=s.replace(/[0-9]/g,"").trim());let e=new IntersectionObserver(e=>{var o,t;a?(o=$(window).scrollTop(),t=l<o,l=o,e=e[0],t?0===e.intersectionRatio&&n.text(s):1===e.intersectionRatio&&n.text(r)):a=!0},{rootMargin:"-48px 0px 0px 0px",threshold:[0,1]});e.observe(document.querySelector(o)),n.click(function(){$("body,html").animate({scrollTop:0},800)})}});
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assets/js/dist/home.min.js

@@ -3,4 +3,4 @@
  * © 2019 Cotes Chung
  * MIT Licensed
  */
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