diff options
Diffstat (limited to 'ext/fg/js/util.js')
| -rw-r--r-- | ext/fg/js/util.js | 191 |
1 files changed, 8 insertions, 183 deletions
diff --git a/ext/fg/js/util.js b/ext/fg/js/util.js index c6270ce6..5eff4018 100644 --- a/ext/fg/js/util.js +++ b/ext/fg/js/util.js @@ -1,5 +1,5 @@ /* - * Copyright (C) 2016 Alex Yatskov <alex@foosoft.net> + * Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * This program is free software: you can redistribute it and/or modify @@ -17,11 +17,13 @@ */ -/* - * Background - */ +function utilAsync(func) { + return function(...args) { + func.apply(this, args); + }; +} -function bgInvoke(action, params) { +function utilInvoke(action, params={}) { return new Promise((resolve, reject) => { try { chrome.runtime.sendMessage({action, params}, ({result, error}) => { @@ -32,185 +34,8 @@ function bgInvoke(action, params) { } }); } catch (e) { - window.orphaned = true; + window.yomichan_orphaned = true; reject(e.message); } }); } - -function bgOptionsGet() { - return bgInvoke('optionsGet', {}); -} - -function bgTermsFind(text) { - return bgInvoke('termsFind', {text}); -} - -function bgKanjiFind(text) { - return bgInvoke('kanjiFind', {text}); -} - -function bgTemplateRender(template, data) { - return bgInvoke('templateRender', {data, template}); -} - -function bgDefinitionsAddable(definitions, modes) { - return bgInvoke('definitionsAddable', {definitions, modes}).catch(() => null); -} - -function bgDefinitionAdd(definition, mode) { - return bgInvoke('definitionAdd', {definition, mode}); -} - - -/* - * Document - */ - -function docOffsetCalc(element) { - 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 rect = element.getBoundingClientRect(); - const top = Math.round(rect.top + scrollTop - clientTop); - const left = Math.round(rect.left + scrollLeft - clientLeft); - - return {top, left}; -} - -function docImposterCreate(element) { - const styleProps = window.getComputedStyle(element); - const stylePairs = []; - for (const key of styleProps) { - stylePairs.push(`${key}: ${styleProps[key]};`); - } - - const offset = docOffsetCalc(element); - const imposter = document.createElement('div'); - imposter.className = 'yomichan-imposter'; - imposter.innerText = element.value; - imposter.style.cssText = stylePairs.join('\n'); - imposter.style.position = 'absolute'; - imposter.style.top = `${offset.top}px`; - imposter.style.left = `${offset.left}px`; - imposter.style.zIndex = 2147483646; - if (element.nodeName === 'TEXTAREA' && styleProps.overflow === 'visible') { - imposter.style.overflow = 'auto'; - } - - document.body.appendChild(imposter); - imposter.scrollTop = element.scrollTop; - imposter.scrollLeft = element.scrollLeft; -} - -function docImposterDestroy() { - for (const element of document.getElementsByClassName('yomichan-imposter')) { - element.parentNode.removeChild(element); - } -} - -function docRangeFromPoint(point) { - const element = document.elementFromPoint(point.x, point.y); - if (element !== null) { - if (element.nodeName === 'IMG' || element.nodeName === 'BUTTON') { - return new TextSourceElement(element); - } else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') { - docImposterCreate(element); - } - } - - if (!document.caretRangeFromPoint) { - document.caretRangeFromPoint = (x, y) => { - const position = document.caretPositionFromPoint(x,y); - if (position === null) { - return null; - } - - const range = document.createRange(); - range.setStart(position.offsetNode, position.offset); - range.setEnd(position.offsetNode, position.offset); - return range; - }; - } - - const range = document.caretRangeFromPoint(point.x, point.y); - if (range !== null) { - return new TextSourceRange(range); - } - - return null; -} - -function docSentenceExtract(source, extent) { - const quotesFwd = {'「': '」', '『': '』', "'": "'", '"': '"'}; - const quotesBwd = {'」': '「', '』': '『', "'": "'", '"': '"'}; - const terminators = '…。．.？?！!'; - - const sourceLocal = source.clone(); - const position = sourceLocal.setStartOffset(extent); - sourceLocal.setEndOffset(position + extent); - const content = sourceLocal.text(); - - let quoteStack = []; - - let startPos = 0; - for (let i = position; i >= startPos; --i) { - const c = content[i]; - - if (c === '\n') { - startPos = i + 1; - break; - } - - if (quoteStack.length === 0 && (terminators.includes(c) || c in quotesFwd)) { - startPos = i + 1; - break; - } - - if (quoteStack.length > 0 && c === quoteStack[0]) { - quoteStack.pop(); - } else if (c in quotesBwd) { - quoteStack = [quotesBwd[c]].concat(quoteStack); - } - } - - quoteStack = []; - - let endPos = content.length; - for (let i = position; i <= endPos; ++i) { - const c = content[i]; - - if (c === '\n') { - endPos = i + 1; - break; - } - - if (quoteStack.length === 0) { - if (terminators.includes(c)) { - endPos = i + 1; - break; - } - else if (c in quotesBwd) { - endPos = i; - break; - } - } - - if (quoteStack.length > 0 && c === quoteStack[0]) { - quoteStack.pop(); - } else if (c in quotesFwd) { - quoteStack = [quotesFwd[c]].concat(quoteStack); - } - } - - const text = content.substring(startPos, endPos); - const padding = text.length - text.replace(/^\s+/, '').length; - - return { - text: text.trim(), - offset: position - startPos - padding - }; -} |