Display pronunciation separation (#1833)

* Create PronunciationGenerator

* Update DisplayGenerator

* Update templates

* Move pronunciation styles to a separate file

* Simplify pitch-accents-preview.html

10 files changed, 283 insertions, 254 deletions

diff --git a/.eslintrc.json b/.eslintrc.json
index fbbe9925..ad06ff05 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -111,6 +111,7 @@
             "files": [
                 "ext/js/core.js",
                 "ext/js/data/anki-note-data-creator.js",
+                "ext/js/display/pronunciation-generator.js",
                 "ext/js/display/structured-content-generator.js",
                 "ext/js/dom/css-style-applier.js",
                 "ext/js/language/dictionary-data-util.js",
@@ -126,6 +127,7 @@
             "excludedFiles": [
                 "ext/js/core.js",
                 "ext/js/data/anki-note-data-creator.js",
+                "ext/js/display/pronunciation-generator.js",
                 "ext/js/display/structured-content-generator.js",
                 "ext/js/dom/css-style-applier.js",
                 "ext/js/language/dictionary-data-util.js",
@@ -158,6 +160,7 @@
                 "ext/js/core.js",
                 "ext/js/yomichan.js",
                 "ext/js/data/anki-note-data-creator.js",
+                "ext/js/display/pronunciation-generator.js",
                 "ext/js/display/structured-content-generator.js",
                 "ext/js/dom/css-style-applier.js",
                 "ext/js/language/dictionary-data-util.js",
diff --git a/ext/css/display-pronunciation.css b/ext/css/display-pronunciation.css
new file mode 100644
index 00000000..4ea15baf
--- /dev/null
+++ b/ext/css/display-pronunciation.css
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the entrys of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+:root {
+    --pitch-accent-annotation-color: #000000;
+}
+:root[data-theme=dark] {
+    --pitch-accent-annotation-color: #ffffff;
+}
+
+.pitch-accent-character {
+    display: inline-block;
+    position: relative;
+}
+.pitch-accent-character::before {
+    border-color: var(--pitch-accent-annotation-color);
+}
+.pitch-accent-character[data-pitch='high']::before {
+    content: '';
+    display: block;
+    user-select: none;
+    pointer-events: none;
+    position: absolute;
+    top: 0.1em;
+    left: 0;
+    right: 0;
+    height: 0;
+    border-top-width: 0.1em;
+    border-top-style: solid;
+}
+.pitch-accent-character[data-pitch='high'][data-pitch-next='low']::before {
+    right: -0.1em;
+    height: 0.4em;
+    border-right-width: 0.1em;
+    border-right-style: solid;
+}
+.pitch-accent-character[data-pitch='high'][data-pitch-next='low'] {
+    padding-right: 0.1em;
+    margin-right: 0.1em;
+}
+.pitch-accent-character-devoice-indicator {
+    display: block;
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    width: 1.125em;
+    height: 1.125em;
+    border: calc(1.5em / var(--font-size-no-units)) dotted var(--danger-color);
+    border-radius: 50%;
+    box-sizing: border-box;
+    z-index: 1;
+    transform: translate(-50%, -50%);
+}
+.pitch-accent-character-nasal-indicator {
+    display: block;
+    position: absolute;
+    right: -0.125em;
+    top: 0.125em;
+    width: 0.375em;
+    height: 0.375em;
+    border: calc(1.5em / var(--font-size-no-units)) solid var(--danger-color);
+    border-radius: 50%;
+    box-sizing: border-box;
+    z-index: 1;
+}
+
+.pitch-accent-position::before {
+    content: ' [';
+}
+.pitch-accent-position::after {
+    content: ']';
+}
+
+.pitch-accent-graph {
+    display: block;
+    height: 1.5em;
+    transform: translateY(-0.875em);
+}
+.pitch-accent-graph-line,
+.pitch-accent-graph-line-tail {
+    fill: none;
+    stroke: var(--pitch-accent-annotation-color);
+    stroke-width: 5;
+}
+.pitch-accent-graph-line-tail {
+    stroke-dasharray: 5 5;
+}
+.pitch-accent-graph-dot {
+    fill: var(--pitch-accent-annotation-color);
+    stroke: var(--pitch-accent-annotation-color);
+    stroke-width: 5;
+}
+.pitch-accent-graph-dot-downstep1 {
+    fill: none;
+    stroke: var(--pitch-accent-annotation-color);
+    stroke-width: 5;
+}
+.pitch-accent-graph-dot-downstep2 {
+    fill: var(--pitch-accent-annotation-color);
+}
+.pitch-accent-graph-triangle {
+    fill: none;
+    stroke: var(--pitch-accent-annotation-color);
+    stroke-width: 5;
+}
diff --git a/ext/css/display.css b/ext/css/display.css
index cd9391fe..f2e36b56 100644
--- a/ext/css/display.css
+++ b/ext/css/display.css
@@ -132,8 +132,6 @@
     --medium-border-color: #dddddd;
     --dark-border-color: #777777;
 
-    --pitch-accent-annotation-color: #000000;
-
     --tag-text-color: #ffffff;
     --tag-border-color: transparent;
     --tag-default-background-color: #8a8a91;
@@ -202,8 +200,6 @@
     --medium-border-color: #3f3f3f;
     --dark-border-color: #888888;
 
-    --pitch-accent-annotation-color: #ffffff;
-
     --tag-text-color: #f1f1f1;
     --tag-border-color: transparent;
     --tag-default-background-color: #69696e;
@@ -1482,67 +1478,6 @@ button.definition-item-expansion-button:focus:focus-visible+.definition-item-con
 .pitch-accent-tag-list:not([data-count='0']) {
     margin-right: 0.375em;
 }
-.pitch-accent-character {
-    display: inline-block;
-    position: relative;
-}
-.pitch-accent-character::before {
-    border-color: var(--pitch-accent-annotation-color);
-}
-.pitch-accent-character[data-pitch='high']::before {
-    content: '';
-    display: block;
-    user-select: none;
-    pointer-events: none;
-    position: absolute;
-    top: 0.1em;
-    left: 0;
-    right: 0;
-    height: 0;
-    border-top-width: 0.1em;
-    border-top-style: solid;
-}
-.pitch-accent-character[data-pitch='high'][data-pitch-next='low']::before {
-    right: -0.1em;
-    height: 0.4em;
-    border-right-width: 0.1em;
-    border-right-style: solid;
-}
-.pitch-accent-character[data-pitch='high'][data-pitch-next='low'] {
-    padding-right: 0.1em;
-    margin-right: 0.1em;
-}
-.pitch-accent-character-devoice-indicator {
-    display: block;
-    position: absolute;
-    left: 50%;
-    top: 50%;
-    width: 1.125em;
-    height: 1.125em;
-    border: calc(1.5em / var(--font-size-no-units)) dotted var(--danger-color);
-    border-radius: 50%;
-    box-sizing: border-box;
-    z-index: 1;
-    transform: translate(-50%, -50%);
-}
-.pitch-accent-character-nasal-indicator {
-    display: block;
-    position: absolute;
-    right: -0.125em;
-    top: 0.125em;
-    width: 0.375em;
-    height: 0.375em;
-    border: calc(1.5em / var(--font-size-no-units)) solid var(--danger-color);
-    border-radius: 50%;
-    box-sizing: border-box;
-    z-index: 1;
-}
-.pitch-accent-position::before {
-    content: ' [';
-}
-.pitch-accent-position::after {
-    content: ']';
-}
 .pitch-accent-details {
     display: inline-block;
     height: 0;
@@ -1551,41 +1486,6 @@ button.definition-item-expansion-button:focus:focus-visible+.definition-item-con
 }
 
 
-/* Pitch accent graph styles */
-.pitch-accent-graph {
-    display: block;
-    height: 1.5em;
-    transform: translateY(-0.875em);
-}
-.pitch-accent-graph-line,
-.pitch-accent-graph-line-tail {
-    fill: none;
-    stroke: var(--pitch-accent-annotation-color);
-    stroke-width: 5;
-}
-.pitch-accent-graph-line-tail {
-    stroke-dasharray: 5 5;
-}
-#pitch-accent-graph-dot {
-    fill: var(--pitch-accent-annotation-color);
-    stroke: var(--pitch-accent-annotation-color);
-    stroke-width: 5;
-}
-#pitch-accent-graph-dot-downstep {
-    fill: none;
-    stroke: var(--pitch-accent-annotation-color);
-    stroke-width: 5;
-}
-#pitch-accent-graph-dot-downstep>circle:last-of-type {
-    fill: var(--pitch-accent-annotation-color);
-}
-#pitch-accent-graph-triangle {
-    fill: none;
-    stroke: var(--pitch-accent-annotation-color);
-    stroke-width: 5;
-}
-
-
 /* Kanji */
 .kanji-glyph-container {
     display: block;
diff --git a/ext/display-templates.html b/ext/display-templates.html
index a7a184a4..1107ead3 100644
--- a/ext/display-templates.html
+++ b/ext/display-templates.html
@@ -82,16 +82,9 @@
 </span></span></template>
 
 <!-- Pitch accent templates -->
-<template id="pitch-accent-static-template"><svg xmlns="http://www.w3.org/2000/svg" style="display: none;" focusable="false">
-    <defs>
-        <g id="pitch-accent-graph-dot"><circle cx="0" cy="0" r="15" /></g>
-        <g id="pitch-accent-graph-dot-downstep"><circle cx="0" cy="0" r="15" /><circle cx="0" cy="0" r="5" /></g>
-        <g id="pitch-accent-graph-triangle"><path d="M0 13 L15 -13 L-15 -13 Z" /></g>
-    </defs>
-</svg></template>
 <template id="pitch-accent-group-template"><li class="pitch-accent-group"><span class="pitch-accent-group-tag-list tag-list"></span><ul class="pitch-accent-list"></ul></li></template>
 <template id="pitch-accent-disambiguation-template"><span class="pitch-accent-disambiguation"></span></template>
-<template id="pitch-accent-template"><li class="pitch-accent"><span class="pitch-accent-tag-list tag-list"></span><span class="pitch-accent-disambiguation-list"></span><span class="pitch-accent-characters"></span><span class="pitch-accent-position"></span><span class="pitch-accent-details"><svg class="pitch-accent-graph" xmlns="http://www.w3.org/2000/svg" focusable="false"><path class="pitch-accent-graph-line" /><path class="pitch-accent-graph-line-tail" /></svg></span></li></template>
+<template id="pitch-accent-template"><li class="pitch-accent"><span class="pitch-accent-tag-list tag-list"></span><span class="pitch-accent-disambiguation-list"></span><span class="pitch-accent-characters"></span><span class="pitch-accent-position"></span><span class="pitch-accent-details"></span></li></template>
 <template id="pitch-accent-character-template"><span class="pitch-accent-character"><span class="pitch-accent-character-inner"></span></span></template>
 
 <!-- Kanji entry templates -->
diff --git a/ext/js/display/display-generator.js b/ext/js/display/display-generator.js
index d7ae3bd9..15c5787d 100644
--- a/ext/js/display/display-generator.js
+++ b/ext/js/display/display-generator.js
@@ -18,6 +18,7 @@
 /* global
  * DictionaryDataUtil
  * HtmlTemplateCollection
+ * PronunciationGenerator
  * StructuredContentGenerator
  */
 
@@ -28,7 +29,7 @@ class DisplayGenerator {
         this._hotkeyHelpController = hotkeyHelpController;
         this._templates = null;
         this._structuredContentGenerator = new StructuredContentGenerator(this._mediaLoader, document);
-        this._termPitchAccentStaticTemplateIsSetup = false;
+        this._pronunciationGenerator = new PronunciationGenerator(japaneseUtil);
     }
 
     async prepare() {
@@ -45,13 +46,6 @@ class DisplayGenerator {
         }
     }
 
-    preparePitchAccents() {
-        if (this._termPitchAccentStaticTemplateIsSetup) { return; }
-        this._termPitchAccentStaticTemplateIsSetup = true;
-        const t = this._templates.instantiate('pitch-accent-static');
-        document.head.appendChild(t);
-    }
-
     createTermEntry(dictionaryEntry) {
         const node = this._templates.instantiate('term-entry');
 
@@ -439,8 +433,6 @@ class DisplayGenerator {
     }
 
     _createPitches(details) {
-        this.preparePitchAccents();
-
         const {dictionary, pitches} = details;
 
         const node = this._templates.instantiate('pitch-accent-group');
@@ -471,9 +463,6 @@ class DisplayGenerator {
         const {reading, position, nasalPositions, devoicePositions, tags, exclusiveTerms, exclusiveReadings} = details;
         const morae = jp.getKanaMorae(reading);
 
-        const nasalPositionsSet = nasalPositions.length > 0 ? new Set(nasalPositions) : null;
-        const devoicePositionsSet = devoicePositions.length > 0 ? new Set(devoicePositions) : null;
-
         const node = this._templates.instantiate('pitch-accent');
 
         node.dataset.pitchAccentPosition = `${position}`;
@@ -491,46 +480,10 @@ class DisplayGenerator {
         this._createPitchAccentDisambiguations(n, exclusiveTerms, exclusiveReadings);
 
         n = node.querySelector('.pitch-accent-characters');
-        for (let i = 0, ii = morae.length; i < ii; ++i) {
-            const i1 = i + 1;
-            const mora = morae[i];
-            const highPitch = jp.isMoraPitchHigh(i, position);
-            const highPitchNext = jp.isMoraPitchHigh(i1, position);
-            const nasal = nasalPositionsSet !== null && nasalPositionsSet.has(i1);
-            const devoice = devoicePositionsSet !== null && devoicePositionsSet.has(i1);
-
-            const n1 = document.createElement('span');
-            n1.className = 'pitch-accent-character';
-
-            const n2 = document.createElement('span');
-            n2.className = 'pitch-accent-character-inner';
-
-            n1.appendChild(n2);
-
-            n1.dataset.position = `${i}`;
-            n1.dataset.pitch = highPitch ? 'high' : 'low';
-            n1.dataset.pitchNext = highPitchNext ? 'high' : 'low';
-            this._setTextContent(n2, mora, 'ja');
-
-            if (devoice) {
-                n1.dataset.devoice = 'true';
-                const n3 = document.createElement('span');
-                n3.className = 'pitch-accent-character-devoice-indicator';
-                n1.appendChild(n3);
-            }
-            if (nasal) {
-                n1.dataset.nasal = 'true';
-                const n3 = document.createElement('span');
-                n3.className = 'pitch-accent-character-nasal-indicator';
-                n1.appendChild(n3);
-            }
-
-            n.appendChild(n1);
-        }
+        n.lang = 'ja';
+        n.appendChild(this._pronunciationGenerator.createPitchAccentHtml(morae, position, nasalPositions, devoicePositions));
 
-        if (morae.length > 0) {
-            this._populatePitchGraph(node.querySelector('.pitch-accent-graph'), position, morae);
-        }
+        node.querySelector('.pitch-accent-details').appendChild(this._pronunciationGenerator.createPitchGraph(morae, position));
 
         return node;
     }
@@ -556,47 +509,6 @@ class DisplayGenerator {
         container.dataset.readingCount = `${exclusiveReadings.length}`;
     }
 
-    _populatePitchGraph(svg, position, morae) {
-        const jp = this._japaneseUtil;
-        const svgns = svg.getAttribute('xmlns');
-        const ii = morae.length;
-        svg.setAttribute('viewBox', `0 0 ${50 * (ii + 1)} 100`);
-
-        const pathPoints = [];
-        for (let i = 0; i < ii; ++i) {
-            const highPitch = jp.isMoraPitchHigh(i, position);
-            const highPitchNext = jp.isMoraPitchHigh(i + 1, position);
-            const graphic = (highPitch && !highPitchNext ? '#pitch-accent-graph-dot-downstep' : '#pitch-accent-graph-dot');
-            const x = `${i * 50 + 25}`;
-            const y = highPitch ? '25' : '75';
-            const use = document.createElementNS(svgns, 'use');
-            use.setAttribute('href', graphic);
-            use.setAttribute('x', x);
-            use.setAttribute('y', y);
-            svg.appendChild(use);
-            pathPoints.push(`${x} ${y}`);
-        }
-
-        let path = svg.querySelector('.pitch-accent-graph-line');
-        path.setAttribute('d', `M${pathPoints.join(' L')}`);
-
-        pathPoints.splice(0, ii - 1);
-        {
-            const highPitch = jp.isMoraPitchHigh(ii, position);
-            const x = `${ii * 50 + 25}`;
-            const y = highPitch ? '25' : '75';
-            const use = document.createElementNS(svgns, 'use');
-            use.setAttribute('href', '#pitch-accent-graph-triangle');
-            use.setAttribute('x', x);
-            use.setAttribute('y', y);
-            svg.appendChild(use);
-            pathPoints.push(`${x} ${y}`);
-        }
-
-        path = svg.querySelector('.pitch-accent-graph-line-tail');
-        path.setAttribute('d', `M${pathPoints.join(' L')}`);
-    }
-
     _createFrequencyGroup(details, kanji) {
         const {dictionary, frequencies} = details;
 
diff --git a/ext/js/display/pronunciation-generator.js b/ext/js/display/pronunciation-generator.js
new file mode 100644
index 00000000..eb5eb035
--- /dev/null
+++ b/ext/js/display/pronunciation-generator.js
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+class PronunciationGenerator {
+    constructor(japaneseUtil) {
+        this._japaneseUtil = japaneseUtil;
+    }
+
+    createPitchAccentHtml(morae, downstepPosition, nasalPositions, devoicePositions) {
+        const jp = this._japaneseUtil;
+        const nasalPositionsSet = nasalPositions.length > 0 ? new Set(nasalPositions) : null;
+        const devoicePositionsSet = devoicePositions.length > 0 ? new Set(devoicePositions) : null;
+        const fragment = document.createDocumentFragment();
+        for (let i = 0, ii = morae.length; i < ii; ++i) {
+            const i1 = i + 1;
+            const mora = morae[i];
+            const highPitch = jp.isMoraPitchHigh(i, downstepPosition);
+            const highPitchNext = jp.isMoraPitchHigh(i1, downstepPosition);
+            const nasal = nasalPositionsSet !== null && nasalPositionsSet.has(i1);
+            const devoice = devoicePositionsSet !== null && devoicePositionsSet.has(i1);
+
+            const n1 = document.createElement('span');
+            n1.className = 'pitch-accent-character';
+
+            const n2 = document.createElement('span');
+            n2.className = 'pitch-accent-character-inner';
+
+            n1.appendChild(n2);
+
+            n1.dataset.position = `${i}`;
+            n1.dataset.pitch = highPitch ? 'high' : 'low';
+            n1.dataset.pitchNext = highPitchNext ? 'high' : 'low';
+            n2.textContent = mora;
+
+            if (devoice) {
+                n1.dataset.devoice = 'true';
+                const n3 = document.createElement('span');
+                n3.className = 'pitch-accent-character-devoice-indicator';
+                n1.appendChild(n3);
+            }
+            if (nasal) {
+                n1.dataset.nasal = 'true';
+                const n3 = document.createElement('span');
+                n3.className = 'pitch-accent-character-nasal-indicator';
+                n1.appendChild(n3);
+            }
+
+            fragment.appendChild(n1);
+        }
+        return fragment;
+    }
+
+    createPitchGraph(morae, downstepPosition) {
+        const jp = this._japaneseUtil;
+        const ii = morae.length;
+
+        const svgns = 'http://www.w3.org/2000/svg';
+        const svg = document.createElementNS(svgns, 'svg');
+        svg.setAttribute('xmlns', svgns);
+        svg.setAttribute('class', 'pitch-accent-graph');
+        svg.setAttribute('focusable', 'false');
+        svg.setAttribute('viewBox', `0 0 ${50 * (ii + 1)} 100`);
+
+        if (ii <= 0) { return svg; }
+
+        const path1 = document.createElementNS(svgns, 'path');
+        svg.appendChild(path1);
+
+        const path2 = document.createElementNS(svgns, 'path');
+        svg.appendChild(path2);
+
+        const pathPoints = [];
+        for (let i = 0; i < ii; ++i) {
+            const highPitch = jp.isMoraPitchHigh(i, downstepPosition);
+            const highPitchNext = jp.isMoraPitchHigh(i + 1, downstepPosition);
+            const x = i * 50 + 25;
+            const y = highPitch ? 25 : 75;
+            if (highPitch && !highPitchNext) {
+                this._addGraphDotDownstep(svg, svgns, x, y);
+            } else {
+                this._addGraphDot(svg, svgns, x, y);
+            }
+            pathPoints.push(`${x} ${y}`);
+        }
+
+        path1.setAttribute('class', 'pitch-accent-graph-line');
+        path1.setAttribute('d', `M${pathPoints.join(' L')}`);
+
+        pathPoints.splice(0, ii - 1);
+        {
+            const highPitch = jp.isMoraPitchHigh(ii, downstepPosition);
+            const x = ii * 50 + 25;
+            const y = highPitch ? 25 : 75;
+            this._addGraphTriangle(svg, svgns, x, y);
+            pathPoints.push(`${x} ${y}`);
+        }
+
+        path2.setAttribute('class', 'pitch-accent-graph-line-tail');
+        path2.setAttribute('d', `M${pathPoints.join(' L')}`);
+
+        return svg;
+    }
+
+    // Private
+
+    _addGraphDot(container, svgns, x, y) {
+        container.appendChild(this._createGraphCircle(svgns, 'pitch-accent-graph-dot', x, y, '15'));
+    }
+
+    _addGraphDotDownstep(container, svgns, x, y) {
+        container.appendChild(this._createGraphCircle(svgns, 'pitch-accent-graph-dot-downstep1', x, y, '15'));
+        container.appendChild(this._createGraphCircle(svgns, 'pitch-accent-graph-dot-downstep2', x, y, '5'));
+    }
+
+    _addGraphTriangle(container, svgns, x, y) {
+        const node = document.createElementNS(svgns, 'path');
+        node.setAttribute('class', 'pitch-accent-graph-triangle');
+        node.setAttribute('d', 'M0 13 L15 -13 L-15 -13 Z');
+        node.setAttribute('transform', `translate(${x},${y})`);
+        container.appendChild(node);
+    }
+
+    _createGraphCircle(svgns, className, x, y, radius) {
+        const node = document.createElementNS(svgns, 'circle');
+        node.setAttribute('class', className);
+        node.setAttribute('cx', `${x}`);
+        node.setAttribute('cy', `${y}`);
+        node.setAttribute('r', radius);
+        return node;
+    }
+}
diff --git a/ext/js/pages/settings/pitch-accents-preview-main.js b/ext/js/pages/settings/pitch-accents-preview-main.js
deleted file mode 100644
index d9d56727..00000000
--- a/ext/js/pages/settings/pitch-accents-preview-main.js
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2019-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-/* global
- * DisplayGenerator
- */
-
-(async () => {
-    try {
-        await yomichan.prepare();
-
-        const displayGenerator = new DisplayGenerator({
-            japaneseUtil: null,
-            mediaLoader: null
-        });
-        await displayGenerator.prepare();
-        displayGenerator.preparePitchAccents();
-    } catch (e) {
-        log.error(e);
-    }
-})();
diff --git a/ext/pitch-accents-preview.html b/ext/pitch-accents-preview.html
index 0f954e72..73b9bc8a 100644
--- a/ext/pitch-accents-preview.html
+++ b/ext/pitch-accents-preview.html
@@ -11,7 +11,7 @@
     <link rel="icon" type="image/png" href="/images/icon48.png" sizes="48x48">
     <link rel="icon" type="image/png" href="/images/icon64.png" sizes="64x64">
     <link rel="icon" type="image/png" href="/images/icon128.png" sizes="128x128">
-    <link rel="stylesheet" type="text/css" href="/css/display.css">
+    <link rel="stylesheet" type="text/css" href="/css/display-pronunciation.css">
     <link rel="stylesheet" type="text/css" href="/css/pitch-accents-preview.css">
 </head>
 <body>
@@ -35,12 +35,13 @@
         <strong>Graph</strong> -
         <span class="format-preview">
             <span class="pitch-accent-details">
-                <svg class="pitch-accent-graph" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 150 100" focusable="false">
+                <svg xmlns="http://www.w3.org/2000/svg" class="pitch-accent-graph" focusable="false" viewBox="0 0 150 100">
                     <path class="pitch-accent-graph-line" d="M25 25 L75 75"></path>
                     <path class="pitch-accent-graph-line-tail" d="M75 75 L125 75"></path>
-                    <use href="#pitch-accent-graph-dot-downstep" x="25" y="25"></use>
-                    <use href="#pitch-accent-graph-dot" x="75" y="75"></use>
-                    <use href="#pitch-accent-graph-triangle" x="125" y="75"></use>
+                    <circle class="pitch-accent-graph-dot-downstep1" cx="25" cy="25" r="15"></circle>
+                    <circle class="pitch-accent-graph-dot-downstep2" cx="25" cy="25" r="5"></circle>
+                    <circle class="pitch-accent-graph-dot" cx="75" cy="75" r="15"></circle>
+                    <path class="pitch-accent-graph-triangle" d="M0 13 L15 -13 L-15 -13 Z" transform="translate(125,75)"></path>
                 </svg>
             </span>
         </span>
@@ -49,18 +50,5 @@
 
 </div></div>
 
-<!-- Scripts -->
-<script src="/js/core.js"></script>
-
-<script src="/js/yomichan.js"></script>
-
-<script src="/js/comm/api.js"></script>
-<script src="/js/comm/cross-frame-api.js"></script>
-<script src="/js/display/display-generator.js"></script>
-<script src="/js/display/structured-content-generator.js"></script>
-<script src="/js/dom/html-template-collection.js"></script>
-
-<script src="/js/pages/settings/pitch-accents-preview-main.js"></script>
-
 </body>
 </html>
diff --git a/ext/popup.html b/ext/popup.html
index ae5685f5..065bcfa1 100644
--- a/ext/popup.html
+++ b/ext/popup.html
@@ -13,6 +13,7 @@
     <link rel="icon" type="image/png" href="/images/icon128.png" sizes="128x128">
     <link rel="stylesheet" type="text/css" href="/css/material.css">
     <link rel="stylesheet" type="text/css" href="/css/display.css">
+    <link rel="stylesheet" type="text/css" href="/css/display-pronunciation.css">
     <link rel="stylesheet" type="text/css" href="/css/structured-content.css">
 </head>
 <body>
@@ -109,6 +110,7 @@
 <script src="/js/display/display-resizer.js"></script>
 <script src="/js/display/element-overflow-controller.js"></script>
 <script src="/js/display/option-toggle-hotkey-handler.js"></script>
+<script src="/js/display/pronunciation-generator.js"></script>
 <script src="/js/display/query-parser.js"></script>
 <script src="/js/display/structured-content-generator.js"></script>
 <script src="/js/dom/document-focus-controller.js"></script>
diff --git a/ext/search.html b/ext/search.html
index 44d3c680..beceeb18 100644
--- a/ext/search.html
+++ b/ext/search.html
@@ -13,6 +13,7 @@
     <link rel="icon" type="image/png" href="/images/icon128.png" sizes="128x128">
     <link rel="stylesheet" type="text/css" href="/css/material.css">
     <link rel="stylesheet" type="text/css" href="/css/display.css">
+    <link rel="stylesheet" type="text/css" href="/css/display-pronunciation.css">
     <link rel="stylesheet" type="text/css" href="/css/structured-content.css">
     <link rel="stylesheet" type="text/css" href="/css/search.css">
 </head>
@@ -93,6 +94,7 @@
 <script src="/js/display/display-notification.js"></script>
 <script src="/js/display/element-overflow-controller.js"></script>
 <script src="/js/display/option-toggle-hotkey-handler.js"></script>
+<script src="/js/display/pronunciation-generator.js"></script>
 <script src="/js/display/query-parser.js"></script>
 <script src="/js/display/search-action-popup-controller.js"></script>
 <script src="/js/display/search-display-controller.js"></script>