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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
function invokeBgApi(action, params) {
return new Promise((resolve, reject) => {
try {
chrome.runtime.sendMessage({action, params}, ({result, error}) => {
if (error) {
reject(error);
} else {
resolve(result);
}
});
} catch (e) {
window.orphaned = true;
reject(e.message);
}
});
}
function showError(error) {
window.alert(`Error: ${error}`);
}
function getOptions() {
return invokeBgApi('getOptions', {});
}
function findTerms(text) {
return invokeBgApi('findTerms', {text});
}
function findTermsGrouped(text) {
return invokeBgApi('findTermsGrouped', {text});
}
function findKanji(text) {
return invokeBgApi('findKanji', {text});
}
function renderText(data, template) {
return invokeBgApi('renderText', {data, template});
}
function canAddDefinitions(definitions, modes) {
return invokeBgApi('canAddDefinitions', {definitions, modes}).catch(() => null);
}
function addDefinition(definition, mode) {
return invokeBgApi('addDefinition', {definition, mode});
}
function createImposter(element) {
const imposter = document.createElement('div');
const elementRect = element.getBoundingClientRect();
imposter.className = 'yomichan-imposter';
imposter.innerText = element.value;
imposter.style.cssText = window.getComputedStyle(element).cssText;
imposter.style.position = 'absolute';
imposter.style.top = elementRect.top + 'px';
imposter.style.left = elementRect.left + 'px';
imposter.style.zIndex = 2147483646;
document.body.appendChild(imposter);
imposter.scrollTop = element.scrollTop;
imposter.scrollLeft = element.scrollLeft;
}
function destroyImposters() {
for (const element of document.getElementsByClassName('yomichan-imposter')) {
element.parentNode.removeChild(element);
}
}
function textSourceFromPoint(point, imposter) {
const element = document.elementFromPoint(point.x, point.y);
if (element !== null) {
if (element.nodeName === 'IMG' || element.nodeName === 'BUTTON') {
return new TextSourceElement(element);
} else if (imposter && (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA')) {
createImposter(element);
}
}
const range = document.caretRangeFromPoint(point.x, point.y);
if (range !== null) {
return new TextSourceRange(range);
}
destroyImposters();
return null;
}
function extractSentence(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 (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 (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);
}
}
return content.substring(startPos, endPos).trim();
}
function buildAudioUrl(definition) {
let kana = definition.reading;
let kanji = definition.expression;
if (!kana && !kanji) {
return null;
}
if (!kana && wanakana.isHiragana(kanji)) {
kana = kanji;
kanji = null;
}
const params = [];
if (kanji) {
params.push(`kanji=${encodeURIComponent(kanji)}`);
}
if (kana) {
params.push(`kana=${encodeURIComponent(kana)}`);
}
return `https://assets.languagepod101.com/dictionary/japanese/audiomp3.php?${params.join('&')}`;
}
function buildAudioFilename(definition) {
if (!definition.reading && !definition.expression) {
return null;
}
let filename = 'yomichan';
if (definition.reading) {
filename += `_${definition.reading}`;
}
if (definition.expression) {
filename += `_${definition.expression}`;
}
return filename += '.mp3';
}
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