Only apply to Chrome

options.css

@@ -0,0 +1,292 @@
+html.opera {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+}
+
+html.opera body {
+  width: auto;
+}
+
+html.firefox .block {
+  padding-left: 6px;
+}
+
+html.firefox #notes {
+  padding-left: calc(6px + 2ex);
+}
+
+body {
+  background: #fff;
+  margin: 0;
+  font-family: "Helvetica Neue", Helvetica, sans-serif;
+  font-size: 12px;
+  width: 480px;
+  min-width: 400px;
+  max-width: 800px;
+}
+
+@media (min-width: 401px) {
+  .firefox body {
+    width: calc(100% - 6px); /* TODO: rework to avoid compensating padding of 'html.firefox .block'  */
+  }
+}
+
+.firefox .chromium-only {
+  display: none;
+}
+
+.block {
+  display: flex;
+  align-items: center;
+  margin: 1em 0;
+  border-bottom: 1px dotted #ccc;
+  padding: 0 16px .75em;
+  position: relative;
+}
+
+.block:last-child {
+  border-bottom: none;
+  padding-bottom: 0;
+}
+
+.collapsed, .collapsible h1 {
+  cursor: pointer;
+}
+
+.collapsed .items {
+  display: none;
+}
+
+h1 {
+  width: 30%;
+  margin: 0;
+  font-size: 120%;
+  font-weight: bold;
+  padding-right: 8px;
+  box-sizing: border-box;
+  overflow-wrap: break-word;
+}
+
+.items {
+  width: 70%;
+}
+
+label {
+  display: flex;
+  margin: .25ex 0;
+  align-items: center;
+}
+
+label > :first-child {
+  margin-right: 8px;
+  flex-grow: 1;
+}
+
+label:not([disabled]) > :first-child {
+  cursor: default;
+}
+
+label:not([disabled]):hover > :first-child {
+  text-shadow: 0 0 0.01px rgba(0, 0, 0, .25);
+  cursor: pointer;
+}
+
+button,
+input[type=number],
+input[type="color"],
+select,
+.onoffswitch {
+  width: 60px;
+  box-sizing: border-box;
+  flex-shrink: 0;
+}
+
+a {
+  text-decoration-skip: ink;
+}
+
+button {
+  text-align: center;
+}
+
+input[type=number] {
+  text-align: right;
+}
+
+input[type=number]:invalid {
+  background-color: rgba(255, 0, 0, 0.1);
+  color: darkred;
+}
+
+input[type="color"] {
+  box-sizing: border-box;
+  height: 2em;
+}
+
+.iconset {
+  display: flex;
+}
+
+.iconset input {
+  display: block;
+}
+
+#actions {
+  justify-content: space-around;
+  align-items: stretch;
+  padding-right: 8px;
+}
+
+#actions button {
+  width: auto;
+  margin-right: 8px;
+}
+
+[data-cmd="check-updates"] button {
+  position: relative;
+}
+
+.update-in-progress [data-cmd="check-updates"] {
+  opacity: .5;
+  pointer-events: none;
+}
+
+.update-in-progress #update-progress {
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  background-color: currentColor;
+  content: "";
+  opacity: .35;
+}
+
+#updates-installed {
+  position: absolute;
+  font-size: 85%;
+  margin-top: 1px;
+}
+
+#updates-installed::after {
+  content: attr(data-value);
+  margin-left: .5ex;
+  font-weight: bold;
+}
+
+#updates-installed:not([data-value]),
+#updates-installed[data-value=""] {
+  display: none;
+}
+
+#advanced.collapsible.collapsed {
+  height: 40px;
+  padding: 0;
+  margin: 0;
+  justify-content: center;
+}
+
+html:not(.firefox):not(.opera) #options > .block:nth-last-of-type(3) {
+  margin-bottom: 0;
+}
+
+#advanced.collapsible:not(.collapsed) .collapsible-resizer {
+  padding-right: 8px;
+  box-sizing: border-box;
+  width: 30%;
+}
+
+#advanced.collapsible h1 {
+  width: unset;
+  padding: 0;
+  color: #333;
+  transition: color .5s;
+  display: inline-flex;
+  align-items: center;
+}
+
+#advanced.collapsible:not(.collapsed) h1:hover {
+  color: #666;
+}
+
+#advanced.collapsible.collapsed h1 {
+  padding: 0;
+  color: #666;
+}
+
+#advanced.collapsible.collapsed:hover h1 {
+  color: #333;
+}
+
+#advanced.collapsible .svg-icon {
+  fill: #333;
+  transition: fill .5s;
+  height: 16px;
+  width: 16px;
+}
+
+#advanced.collapsible.collapsed .svg-icon,
+#advanced.collapsible:not(.collapsed) h1:hover .svg-icon {
+  fill: #666;
+}
+
+#advanced.collapsible.collapsed:hover .svg-icon {
+  fill: #333;
+}
+
+#advanced.collapsible h1 .svg-icon {
+  margin-left: 2px;
+}
+
+#advanced.collapsible.collapsed .is-expanded,
+#advanced:not(.collapsible) .svg-icon {
+  display: none;
+}
+
+#advanced.collapsible:not(.collapsed) .is-collapsed {
+  display: none;
+}
+
+#notes {
+  background-color: #f4f4f4;
+  padding: 1.5ex 16px 1ex calc(16px + 2ex);
+  font-size: 90%;
+  color: #777;
+}
+
+#notes ol {
+  margin: 0;
+  padding: 0;
+}
+
+#notes li:not(last-child) {
+  margin-bottom: 1ex;
+}
+
+#notes a {
+  color: inherit;
+}
+
+#notes a:hover {
+  color: black;
+}
+
+#notes p {
+  line-height: 1.25;
+  margin-top: 1ex;
+  margin-bottom: 1ex;
+}
+
+sup {
+  vertical-align: baseline;
+  position: relative;
+  top: -0.4em;
+}
+
+@keyframes fadeinout {
+  0%   { opacity: 0 }
+  10%  { opacity: 1 }
+  25%  { opacity: 1 }
+  100% { opacity: 0 }
+}

options.js

@@ -0,0 +1,97 @@
+'use strict';
+
+setupLivePrefs();
+setupRadioButtons();
+enforceInputRange($('#popupWidth'));
+
+if (!FIREFOX && !OPERA) {
+  const block = $('#advanced');
+  block.classList.add('collapsible', 'collapsed');
+  block.onclick = event => {
+    if (block.classList.contains('collapsed') || event.target.closest('h1')) {
+      block.classList.toggle('collapsed');
+    }
+  };
+}
+
+// actions
+document.onclick = e => {
+  const target = e.target.closest('[data-cmd]');
+  if (!target) {
+    return;
+  }
+  // prevent double-triggering in case a sub-element was clicked
+  e.stopPropagation();
+
+  switch (target.dataset.cmd) {
+    case 'open-manage':
+      openURL({url: 'manage.html'});
+      break;
+
+    case 'check-updates':
+      checkUpdates();
+      break;
+
+    case 'open-keyboard':
+      openURL({url: URLS.configureCommands});
+      e.preventDefault();
+      break;
+
+    case 'reset':
+      $$('input')
+        .filter(input => input.id in prefs.readOnlyValues)
+        .forEach(input => prefs.reset(input.id));
+      break;
+  }
+};
+
+function checkUpdates() {
+  let total = 0;
+  let checked = 0;
+  let updated = 0;
+  const maxWidth = $('#update-progress').parentElement.clientWidth;
+  BG.updater.checkAllStyles({observer});
+
+  function observer(state, value) {
+    switch (state) {
+      case BG.updater.COUNT:
+        total = value;
+        document.body.classList.add('update-in-progress');
+        break;
+      case BG.updater.UPDATED:
+        updated++;
+        // fallthrough
+      case BG.updater.SKIPPED:
+        checked++;
+        break;
+      case BG.updater.DONE:
+        document.body.classList.remove('update-in-progress');
+        return;
+    }
+    $('#update-progress').style.width = Math.round(checked / total * maxWidth) + 'px';
+    $('#updates-installed').dataset.value = updated || '';
+  }
+}
+
+function setupRadioButtons() {
+  const sets = {};
+  const onChange = function () {
+    const newValue = sets[this.name].indexOf(this);
+    if (newValue >= 0 && prefs.get(this.name) !== newValue) {
+      prefs.set(this.name, newValue);
+    }
+  };
+  // group all radio-inputs by name="prefName" attribute
+  for (const el of $$('input[type="radio"][name]')) {
+    (sets[el.name] = sets[el.name] || []).push(el);
+    el.addEventListener('change', onChange);
+  }
+  // select the input corresponding to the actual pref value
+  for (const name in sets) {
+    sets[name][prefs.get(name)].checked = true;
+  }
+  // listen to pref changes and update the values
+  prefs.subscribe(Object.keys(sets), (key, value) => {
+    sets[key][value].checked = true;
+  });
+}