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-rw-r--r--ext/fg/js/text-source-element.js139
1 files changed, 0 insertions, 139 deletions
diff --git a/ext/fg/js/text-source-element.js b/ext/fg/js/text-source-element.js
deleted file mode 100644
index 45186636..00000000
--- a/ext/fg/js/text-source-element.js
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2016-2021 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 TextSourceElement {
- constructor(element, fullContent=null, startOffset=0, endOffset=0) {
- this._element = element;
- this._fullContent = (typeof fullContent === 'string' ? fullContent : TextSourceElement.getElementContent(element));
- this._startOffset = startOffset;
- this._endOffset = endOffset;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- }
-
- get element() {
- return this._element;
- }
-
- get fullContent() {
- return this._fullContent;
- }
-
- get startOffset() {
- return this._startOffset;
- }
-
- get endOffset() {
- return this._endOffset;
- }
-
- get isConnected() {
- return this._element.isConnected;
- }
-
- clone() {
- return new TextSourceElement(this._element, this._fullContent, this._startOffset, this._endOffset);
- }
-
- cleanup() {
- // NOP
- }
-
- text() {
- return this._content;
- }
-
- setEndOffset(length, fromEnd=false) {
- if (fromEnd) {
- const delta = Math.min(this._fullContent.length - this._endOffset, length);
- this._endOffset += delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- } else {
- const delta = Math.min(this._fullContent.length - this._startOffset, length);
- this._endOffset = this._startOffset + delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- }
- }
-
- setStartOffset(length) {
- const delta = Math.min(this._startOffset, length);
- this._startOffset -= delta;
- this._content = this._fullContent.substring(this._startOffset, this._endOffset);
- return delta;
- }
-
- collapse(toStart) {
- if (toStart) {
- this._endOffset = this._startOffset;
- } else {
- this._startOffset = this._endOffset;
- }
- this._content = '';
- }
-
- getRect() {
- return this._element.getBoundingClientRect();
- }
-
- getWritingMode() {
- return 'horizontal-tb';
- }
-
- select() {
- // NOP
- }
-
- deselect() {
- // NOP
- }
-
- hasSameStart(other) {
- return (
- typeof other === 'object' &&
- other !== null &&
- other instanceof TextSourceElement &&
- this._element === other.element &&
- this._fullContent === other.fullContent &&
- this._startOffset === other.startOffset
- );
- }
-
- getNodesInRange() {
- return [this._element];
- }
-
- static getElementContent(element) {
- let content;
- switch (element.nodeName.toUpperCase()) {
- case 'BUTTON':
- content = element.textContent;
- break;
- case 'IMG':
- content = element.getAttribute('alt') || '';
- break;
- default:
- content = `${element.value}`;
- break;
- }
-
- // Remove zero-width non-joiner
- content = content.replace(/\u200c/g, '');
-
- return content;
- }
-}