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-rw-r--r--ext/js/dom/document-util.js59
1 files changed, 56 insertions, 3 deletions
diff --git a/ext/js/dom/document-util.js b/ext/js/dom/document-util.js
index 76f551c7..73525ff5 100644
--- a/ext/js/dom/document-util.js
+++ b/ext/js/dom/document-util.js
@@ -66,7 +66,7 @@ class DocumentUtil {
case 'IMG':
case 'BUTTON':
case 'SELECT':
- return new TextSourceElement(element);
+ return TextSourceElement.create(element);
case 'INPUT':
if (element.type === 'text') {
imposterSourceElement = element;
@@ -85,8 +85,9 @@ class DocumentUtil {
if (imposter !== null) {
this._setImposterStyle(imposterContainer.style, 'z-index', '-2147483646');
this._setImposterStyle(imposter.style, 'pointer-events', 'none');
+ return TextSourceRange.createFromImposter(range, imposterContainer, imposterSourceElement);
}
- return new TextSourceRange(range, '', imposterContainer, imposterSourceElement);
+ return TextSourceRange.create(range);
} else {
if (imposterContainer !== null) {
imposterContainer.parentNode.removeChild(imposterContainer);
@@ -131,7 +132,7 @@ class DocumentUtil {
// Scan text
source = source.clone();
const startLength = source.setStartOffset(extent, layoutAwareScan);
- const endLength = source.setEndOffset(extent * 2 - startLength, layoutAwareScan, true);
+ const endLength = source.setEndOffset(extent * 2 - startLength, true, layoutAwareScan);
const text = source.text();
const textLength = text.length;
const textEndAnchor = textLength - endLength;
@@ -418,6 +419,58 @@ class DocumentUtil {
}
}
+ /**
+ * Offsets an array of DOMRects by a given amount.
+ * @param {DOMRect[]} rects The DOMRects to offset.
+ * @param {number} x The horizontal offset amount.
+ * @param {number} y The vertical offset amount.
+ * @returns {DOMRect} The DOMRects with the offset applied.
+ */
+ static offsetDOMRects(rects, x, y) {
+ const results = [];
+ for (const rect of rects) {
+ results.push(new DOMRect(rect.left + x, rect.top + y, rect.width, rect.height));
+ }
+ return results;
+ }
+
+ /**
+ * Gets the parent writing mode of an element.
+ * See: https://developer.mozilla.org/en-US/docs/Web/CSS/writing-mode.
+ * @param {Element} element The HTML element to check.
+ * @returns {string} The writing mode.
+ */
+ static getElementWritingMode(element) {
+ if (element !== null) {
+ const {writingMode} = getComputedStyle(element);
+ if (typeof writingMode === 'string') {
+ return this.normalizeWritingMode(writingMode);
+ }
+ }
+ return 'horizontal-tb';
+ }
+
+ /**
+ * Normalizes a CSS writing mode value by converting non-standard and deprecated values
+ * into their corresponding standard vaules.
+ * @param {string} writingMode The writing mode to normalize.
+ * @returns {string} The normalized writing mode.
+ */
+ static normalizeWritingMode(writingMode) {
+ switch (writingMode) {
+ case 'lr':
+ case 'lr-tb':
+ case 'rl':
+ return 'horizontal-tb';
+ case 'tb':
+ return 'vertical-lr';
+ case 'tb-rl':
+ return 'vertical-rl';
+ default:
+ return writingMode;
+ }
+ }
+
// Private
static _getActiveButtons(event, array) {