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-rw-r--r--ext/js/dom/document-util.js46
1 files changed, 22 insertions, 24 deletions
diff --git a/ext/js/dom/document-util.js b/ext/js/dom/document-util.js
index 41f44afe..53297084 100644
--- a/ext/js/dom/document-util.js
+++ b/ext/js/dom/document-util.js
@@ -22,11 +22,7 @@
*/
class DocumentUtil {
- constructor() {
- this._transparentColorPattern = /rgba\s*\([^)]*,\s*0(?:\.0+)?\s*\)/;
- }
-
- getRangeFromPoint(x, y, {deepContentScan, normalizeCssZoom}) {
+ static getRangeFromPoint(x, y, {deepContentScan, normalizeCssZoom}) {
const elements = this._getElementsFromPoint(x, y, deepContentScan);
let imposter = null;
let imposterContainer = null;
@@ -90,7 +86,7 @@ class DocumentUtil {
* ```
* @returns {{sentence: string, offset: number}} The sentence and the offset to the original source.
*/
- extractSentence(source, layoutAwareScan, extent, terminateAtNewlines, terminatorMap, forwardQuoteMap, backwardQuoteMap) {
+ static extractSentence(source, layoutAwareScan, extent, terminateAtNewlines, terminatorMap, forwardQuoteMap, backwardQuoteMap) {
// Scan text
source = source.clone();
const startLength = source.setStartOffset(extent, layoutAwareScan);
@@ -397,11 +393,11 @@ class DocumentUtil {
}
}
- _setImposterStyle(style, propertyName, value) {
+ static _setImposterStyle(style, propertyName, value) {
style.setProperty(propertyName, value, 'important');
}
- _createImposter(element, isTextarea) {
+ static _createImposter(element, isTextarea) {
const body = document.body;
if (body === null) { return [null, null]; }
@@ -477,7 +473,7 @@ class DocumentUtil {
return [imposter, container];
}
- _getElementsFromPoint(x, y, all) {
+ static _getElementsFromPoint(x, y, all) {
if (all) {
// document.elementsFromPoint can return duplicates which must be removed.
const elements = document.elementsFromPoint(x, y);
@@ -488,7 +484,7 @@ class DocumentUtil {
return e !== null ? [e] : [];
}
- _isPointInRange(x, y, range, normalizeCssZoom) {
+ static _isPointInRange(x, y, range, normalizeCssZoom) {
// Require a text node to start
const {startContainer} = range;
if (startContainer.nodeType !== Node.TEXT_NODE) {
@@ -497,7 +493,7 @@ class DocumentUtil {
// Convert CSS zoom coordinates
if (normalizeCssZoom) {
- const scale = DocumentUtil.computeZoomScale(startContainer);
+ const scale = this.computeZoomScale(startContainer);
x /= scale;
y /= scale;
}
@@ -509,7 +505,7 @@ class DocumentUtil {
const {node, offset, content} = new DOMTextScanner(nodePre, offsetPre, true, false).seek(1);
range.setEnd(node, offset);
- if (!this._isWhitespace(content) && DocumentUtil.isPointInAnyRect(x, y, range.getClientRects())) {
+ if (!this._isWhitespace(content) && this.isPointInAnyRect(x, y, range.getClientRects())) {
return true;
}
} finally {
@@ -520,7 +516,7 @@ class DocumentUtil {
const {node, offset, content} = new DOMTextScanner(startContainer, range.startOffset, true, false).seek(-1);
range.setStart(node, offset);
- if (!this._isWhitespace(content) && DocumentUtil.isPointInAnyRect(x, y, range.getClientRects())) {
+ if (!this._isWhitespace(content) && this.isPointInAnyRect(x, y, range.getClientRects())) {
// This purposefully leaves the starting offset as modified and sets the range length to 0.
range.setEnd(node, offset);
return true;
@@ -530,11 +526,11 @@ class DocumentUtil {
return false;
}
- _isWhitespace(string) {
+ static _isWhitespace(string) {
return string.trim().length === 0;
}
- _caretRangeFromPoint(x, y) {
+ static _caretRangeFromPoint(x, y) {
if (typeof document.caretRangeFromPoint === 'function') {
// Chrome, Edge
return document.caretRangeFromPoint(x, y);
@@ -549,7 +545,7 @@ class DocumentUtil {
return null;
}
- _caretPositionFromPoint(x, y) {
+ static _caretPositionFromPoint(x, y) {
const position = document.caretPositionFromPoint(x, y);
if (position === null) {
return null;
@@ -586,7 +582,7 @@ class DocumentUtil {
}
}
- _caretPositionFromPointNormalizeStyles(x, y, nextElement) {
+ static _caretPositionFromPointNormalizeStyles(x, y, nextElement) {
const previousStyles = new Map();
try {
while (true) {
@@ -638,7 +634,7 @@ class DocumentUtil {
}
}
- _caretRangeFromPointExt(x, y, elements, normalizeCssZoom) {
+ static _caretRangeFromPointExt(x, y, elements, normalizeCssZoom) {
let previousStyles = null;
try {
let i = 0;
@@ -670,7 +666,7 @@ class DocumentUtil {
}
}
- _disableTransparentElement(elements, i, previousStyles) {
+ static _disableTransparentElement(elements, i, previousStyles) {
while (true) {
if (i >= elements.length) {
return -1;
@@ -685,13 +681,13 @@ class DocumentUtil {
}
}
- _recordPreviousStyle(previousStyles, element) {
+ static _recordPreviousStyle(previousStyles, element) {
if (previousStyles.has(element)) { return; }
const style = element.hasAttribute('style') ? element.getAttribute('style') : null;
previousStyles.set(element, style);
}
- _revertStyles(previousStyles) {
+ static _revertStyles(previousStyles) {
for (const [element, style] of previousStyles.entries()) {
if (style === null) {
element.removeAttribute('style');
@@ -701,7 +697,7 @@ class DocumentUtil {
}
}
- _isElementTransparent(element) {
+ static _isElementTransparent(element) {
if (
element === document.body ||
element === document.documentElement
@@ -716,13 +712,15 @@ class DocumentUtil {
);
}
- _isColorTransparent(cssColor) {
+ static _isColorTransparent(cssColor) {
return this._transparentColorPattern.test(cssColor);
}
- _isElementUserSelectAll(element) {
+ static _isElementUserSelectAll(element) {
return getComputedStyle(element).userSelect === 'all';
}
}
// eslint-disable-next-line no-underscore-dangle
+DocumentUtil._transparentColorPattern = /rgba\s*\([^)]*,\s*0(?:\.0+)?\s*\)/;
+// eslint-disable-next-line no-underscore-dangle
DocumentUtil._cssZoomSupported = null;