diff options
Diffstat (limited to 'ext/fg')
-rw-r--r-- | ext/fg/js/document.js | 63 | ||||
-rw-r--r-- | ext/fg/js/source.js | 10 |
2 files changed, 39 insertions, 34 deletions
diff --git a/ext/fg/js/document.js b/ext/fg/js/document.js index 247ff0ee..dc2a9b87 100644 --- a/ext/fg/js/document.js +++ b/ext/fg/js/document.js @@ -21,27 +21,32 @@ function docSetImposterStyle(style, propertyName, value) { style.setProperty(propertyName, value, 'important'); } -function docOffsetCalc(elementRect) { - const scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop; - const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft; - - const clientTop = document.documentElement.clientTop || document.body.clientTop || 0; - const clientLeft = document.documentElement.clientLeft || document.body.clientLeft || 0; - - const top = elementRect.top + scrollTop - clientTop; - const left = elementRect.left + scrollLeft - clientLeft; - - return {top, left}; -} - function docImposterCreate(element, isTextarea) { const elementStyle = window.getComputedStyle(element); const elementRect = element.getBoundingClientRect(); - const offset = docOffsetCalc(elementRect); + const documentRect = document.documentElement.getBoundingClientRect(); + const left = elementRect.left - documentRect.left; + const top = elementRect.top - documentRect.top; + + // Container + const container = document.createElement('div'); + const containerStyle = container.style; + docSetImposterStyle(containerStyle, 'all', 'initial'); + docSetImposterStyle(containerStyle, 'position', 'absolute'); + docSetImposterStyle(containerStyle, 'left', '0'); + docSetImposterStyle(containerStyle, 'top', '0'); + docSetImposterStyle(containerStyle, 'width', `${documentRect.width}px`); + docSetImposterStyle(containerStyle, 'height', `${documentRect.height}px`); + docSetImposterStyle(containerStyle, 'overflow', 'hidden'); + docSetImposterStyle(containerStyle, 'opacity', '0'); + + docSetImposterStyle(containerStyle, 'pointer-events', 'none'); + docSetImposterStyle(containerStyle, 'z-index', '2147483646'); + + // Imposter const imposter = document.createElement('div'); const imposterStyle = imposter.style; - imposter.className = 'yomichan-imposter'; imposter.innerText = element.value; for (let i = 0, ii = elementStyle.length; i < ii; ++i) { @@ -49,11 +54,10 @@ function docImposterCreate(element, isTextarea) { docSetImposterStyle(imposterStyle, property, elementStyle.getPropertyValue(property)); } docSetImposterStyle(imposterStyle, 'position', 'absolute'); - docSetImposterStyle(imposterStyle, 'top', `${offset.top}px`); - docSetImposterStyle(imposterStyle, 'left', `${offset.left}px`); - docSetImposterStyle(imposterStyle, 'opacity', '0'); - docSetImposterStyle(imposterStyle, 'z-index', '2147483646'); + docSetImposterStyle(imposterStyle, 'top', `${top}px`); + docSetImposterStyle(imposterStyle, 'left', `${left}px`); docSetImposterStyle(imposterStyle, 'margin', '0'); + docSetImposterStyle(imposterStyle, 'pointer-events', 'auto'); if (isTextarea) { if (elementStyle.overflow === 'visible') { @@ -65,7 +69,8 @@ function docImposterCreate(element, isTextarea) { docSetImposterStyle(imposterStyle, 'line-height', elementStyle.height); } - document.body.appendChild(imposter); + container.appendChild(imposter); + document.body.appendChild(container); // Adjust size const imposterRect = imposter.getBoundingClientRect(); @@ -79,22 +84,23 @@ function docImposterCreate(element, isTextarea) { imposter.scrollTop = element.scrollTop; imposter.scrollLeft = element.scrollLeft; - return imposter; + return [imposter, container]; } function docRangeFromPoint(point) { const element = document.elementFromPoint(point.x, point.y); let imposter = null; + let imposterContainer = null; if (element) { switch (element.nodeName) { case 'IMG': case 'BUTTON': return new TextSourceElement(element); case 'INPUT': - imposter = docImposterCreate(element, false); + [imposter, imposterContainer] = docImposterCreate(element, false); break; case 'TEXTAREA': - imposter = docImposterCreate(element, true); + [imposter, imposterContainer] = docImposterCreate(element, true); break; } } @@ -102,14 +108,13 @@ function docRangeFromPoint(point) { const range = document.caretRangeFromPoint(point.x, point.y); if (range !== null && isPointInRange(point, range)) { if (imposter !== null) { - const imposterStyle = imposter.style; - docSetImposterStyle(imposterStyle, 'z-index', '-2147483646'); - docSetImposterStyle(imposterStyle, 'pointer-events', 'none'); + docSetImposterStyle(imposterContainer.style, 'z-index', '-2147483646'); + docSetImposterStyle(imposter.style, 'pointer-events', 'none'); } - return new TextSourceRange(range, '', imposter); + return new TextSourceRange(range, '', imposterContainer); } else { - if (imposter !== null) { - imposter.parentNode.removeChild(imposter); + if (imposterContainer !== null) { + imposterContainer.parentNode.removeChild(imposterContainer); } return null; } diff --git a/ext/fg/js/source.js b/ext/fg/js/source.js index 409e81aa..69d8197d 100644 --- a/ext/fg/js/source.js +++ b/ext/fg/js/source.js @@ -25,19 +25,19 @@ const IGNORE_TEXT_PATTERN = /\u200c/; */ class TextSourceRange { - constructor(range, content, imposter) { + constructor(range, content, imposterContainer) { this.range = range; this.content = content; - this.imposter = imposter; + this.imposterContainer = imposterContainer; } clone() { - return new TextSourceRange(this.range.cloneRange(), this.content, this.imposter); + return new TextSourceRange(this.range.cloneRange(), this.content, this.imposterContainer); } cleanup() { - if (this.imposter !== null && this.imposter.parentNode !== null) { - this.imposter.parentNode.removeChild(this.imposter); + if (this.imposterContainer !== null && this.imposterContainer.parentNode !== null) { + this.imposterContainer.parentNode.removeChild(this.imposterContainer); } } |