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-rw-r--r--ext/js/templates/sandbox/template-renderer-media-provider.js129
1 files changed, 129 insertions, 0 deletions
diff --git a/ext/js/templates/sandbox/template-renderer-media-provider.js b/ext/js/templates/sandbox/template-renderer-media-provider.js
new file mode 100644
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+++ b/ext/js/templates/sandbox/template-renderer-media-provider.js
@@ -0,0 +1,129 @@
+/*
+ * 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/>.
+ */
+
+/* global
+ * Handlebars
+ */
+
+class TemplateRendererMediaProvider {
+ constructor() {
+ this._requirements = null;
+ }
+
+ get requirements() {
+ return this._requirements;
+ }
+
+ set requirements(value) {
+ this._requirements = value;
+ }
+
+ hasMedia(root, args, namedArgs) {
+ const {media} = root;
+ const data = this._getMediaData(media, args, namedArgs);
+ return (data !== null);
+ }
+
+ getMedia(root, args, namedArgs) {
+ const {media} = root;
+ const data = this._getMediaData(media, args, namedArgs);
+ if (data !== null) {
+ const result = this._getFormattedValue(data, namedArgs);
+ if (typeof result === 'string') { return result; }
+ }
+ const defaultValue = namedArgs.default;
+ return typeof defaultValue !== 'undefined' ? defaultValue : '';
+ }
+
+ // Private
+
+ _addRequirement(value) {
+ if (this._requirements === null) { return; }
+ this._requirements.push(value);
+ }
+
+ _getFormattedValue(data, namedArgs) {
+ let {value} = data;
+ const {escape=true} = namedArgs;
+ if (escape) {
+ value = Handlebars.Utils.escapeExpression(value);
+ }
+ return value;
+ }
+
+ _getMediaData(media, args, namedArgs) {
+ const type = args[0];
+ switch (type) {
+ case 'audio': return this._getSimpleMediaData(media, 'audio');
+ case 'screenshot': return this._getSimpleMediaData(media, 'screenshot');
+ case 'clipboardImage': return this._getSimpleMediaData(media, 'clipboardImage');
+ case 'clipboardText': return this._getSimpleMediaData(media, 'clipboardText');
+ case 'selectionText': return this._getSimpleMediaData(media, 'selectionText');
+ case 'textFurigana': return this._getTextFurigana(media, args[1], namedArgs);
+ case 'dictionaryMedia': return this._getDictionaryMedia(media, args[1], namedArgs);
+ default: return null;
+ }
+ }
+
+ _getSimpleMediaData(media, type) {
+ const result = media[type];
+ if (typeof result === 'object' && result !== null) { return result; }
+ this._addRequirement({type});
+ return null;
+ }
+
+ _getDictionaryMedia(media, path, namedArgs) {
+ const {dictionaryMedia} = media;
+ const {dictionary} = namedArgs;
+ if (
+ typeof dictionaryMedia !== 'undefined' &&
+ typeof dictionary === 'string' &&
+ Object.prototype.hasOwnProperty.call(dictionaryMedia, dictionary)
+ ) {
+ const dictionaryMedia2 = dictionaryMedia[dictionary];
+ if (Object.prototype.hasOwnProperty.call(dictionaryMedia2, path)) {
+ const result = dictionaryMedia2[path];
+ if (typeof result === 'object' && result !== null) {
+ return result;
+ }
+ }
+ }
+ this._addRequirement({
+ type: 'dictionaryMedia',
+ dictionary,
+ path
+ });
+ return null;
+ }
+
+ _getTextFurigana(media, text, namedArgs) {
+ const {readingMode=null} = namedArgs;
+ const {textFurigana} = media;
+ if (Array.isArray(textFurigana)) {
+ for (const entry of textFurigana) {
+ if (entry.text !== text || entry.readingMode !== readingMode) { continue; }
+ return entry.details;
+ }
+ }
+ this._addRequirement({
+ type: 'textFurigana',
+ text,
+ readingMode
+ });
+ return null;
+ }
+}