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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2024-01-31 08:40:57 -0500
committerGitHub <noreply@github.com>2024-01-31 13:40:57 +0000
commit2356223942a21d1683ac38eed8e7b9485f453d87 (patch)
tree4e97b53a9d4829378ebc60eb5b8e40b6f5b665ee /ext/js/dom/text-source-generator.js
parent87ed7c8affd3ade9d3cd2d9ed1a61dd5f224e473 (diff)
Document util + google docs util state refactor (#590)
* Remove static from GoogleDocsUtil since it has state * Create TextSourceGenerator * Remove DocumentUtil custom registrations * Use TextSourceGenerator
Diffstat (limited to 'ext/js/dom/text-source-generator.js')
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1 files changed, 47 insertions, 0 deletions
diff --git a/ext/js/dom/text-source-generator.js b/ext/js/dom/text-source-generator.js
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+/*
+ * Copyright (C) 2024 Yomitan 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/>.
+ */
+
+import {DocumentUtil} from './document-util.js';
+
+export class TextSourceGenerator {
+ constructor() {
+ /** @type {import('text-source-generator').GetRangeFromPointHandler[]} @readonly */
+ this._getRangeFromPointHandlers = [];
+ }
+
+ /**
+ * @param {number} x
+ * @param {number} y
+ * @param {import('document-util').GetRangeFromPointOptions} options
+ * @returns {?import('text-source').TextSource}
+ */
+ getRangeFromPoint(x, y, options) {
+ for (const handler of this._getRangeFromPointHandlers) {
+ const result = handler(x, y, options);
+ if (result !== null) { return result; }
+ }
+ return DocumentUtil.getRangeFromPoint(x, y, options);
+ }
+
+ /**
+ * Registers a custom handler for scanning for text or elements at the input position.
+ * @param {import('text-source-generator').GetRangeFromPointHandler} handler The handler callback which will be invoked when calling `getRangeFromPoint`.
+ */
+ registerGetRangeFromPointHandler(handler) {
+ this._getRangeFromPointHandlers.push(handler);
+ }
+}