2016-09-12 03:59:42 +00:00
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/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2017-01-08 02:39:36 +00:00
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function invokeBgApi(action, params) {
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2016-10-20 03:57:08 +00:00
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return new Promise((resolve, reject) => {
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2017-02-06 00:39:40 +00:00
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try {
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chrome.runtime.sendMessage({action, params}, ({result, error}) => {
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if (error) {
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reject(error);
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} else {
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resolve(result);
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}
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});
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} catch (e) {
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window.orphaned = true;
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reject(e.message);
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}
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2016-10-20 03:57:08 +00:00
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});
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2016-09-12 03:59:42 +00:00
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}
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2017-02-06 00:39:40 +00:00
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function showError(error) {
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window.alert(`Error: ${error}`);
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}
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2017-01-08 02:39:36 +00:00
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function isEnabled() {
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return invokeBgApi('getEnabled', {});
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2016-09-29 03:14:21 +00:00
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}
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function getOptions() {
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2017-01-08 02:39:36 +00:00
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return invokeBgApi('getOptions', {});
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2016-09-29 03:14:21 +00:00
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}
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2017-01-16 06:17:49 +00:00
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function findTerms(text) {
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return invokeBgApi('findTerms', {text});
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2016-09-12 03:59:42 +00:00
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}
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2017-01-16 06:17:49 +00:00
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function findTermsGrouped(text) {
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return invokeBgApi('findTermsGrouped', {text});
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2017-01-08 23:33:45 +00:00
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}
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2016-09-12 03:59:42 +00:00
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function findKanji(text) {
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2017-01-08 02:39:36 +00:00
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return invokeBgApi('findKanji', {text});
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2016-09-12 03:59:42 +00:00
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}
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function renderText(data, template) {
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2017-01-08 02:39:36 +00:00
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return invokeBgApi('renderText', {data, template});
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2016-09-12 03:59:42 +00:00
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}
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function canAddDefinitions(definitions, modes) {
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2017-01-08 02:39:36 +00:00
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return invokeBgApi('canAddDefinitions', {definitions, modes}).catch(() => null);
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2016-09-12 03:59:42 +00:00
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}
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function addDefinition(definition, mode) {
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2017-01-08 02:39:36 +00:00
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return invokeBgApi('addDefinition', {definition, mode});
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2016-09-12 03:59:42 +00:00
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}
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function textSourceFromPoint(point) {
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const element = document.elementFromPoint(point.x, point.y);
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if (element !== null) {
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const names = ['IMG', 'INPUT', 'BUTTON', 'TEXTAREA'];
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if (names.includes(element.nodeName)) {
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return new TextSourceElement(element);
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}
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}
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const range = document.caretRangeFromPoint(point.x, point.y);
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if (range !== null) {
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return new TextSourceRange(range);
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}
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return null;
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}
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function extractSentence(source, extent) {
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const quotesFwd = {'「': '」', '『': '』', "'": "'", '"': '"'};
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const quotesBwd = {'」': '「', '』': '『', "'": "'", '"': '"'};
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const terminators = '…。..??!!';
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const sourceLocal = source.clone();
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const position = sourceLocal.setStartOffset(extent);
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sourceLocal.setEndOffset(position + extent);
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const content = sourceLocal.text();
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let quoteStack = [];
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let startPos = 0;
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for (let i = position; i >= startPos; --i) {
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const c = content[i];
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if (quoteStack.length === 0 && (terminators.includes(c) || c in quotesFwd)) {
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startPos = i + 1;
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break;
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}
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if (quoteStack.length > 0 && c === quoteStack[0]) {
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quoteStack.pop();
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} else if (c in quotesBwd) {
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quoteStack = [quotesBwd[c]].concat(quoteStack);
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}
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}
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quoteStack = [];
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let endPos = content.length;
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for (let i = position; i < endPos; ++i) {
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const c = content[i];
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if (quoteStack.length === 0) {
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if (terminators.includes(c)) {
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endPos = i + 1;
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break;
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}
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else if (c in quotesBwd) {
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endPos = i;
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break;
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}
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}
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if (quoteStack.length > 0 && c === quoteStack[0]) {
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quoteStack.pop();
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} else if (c in quotesFwd) {
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quoteStack = [quotesFwd[c]].concat(quoteStack);
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}
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}
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return content.substring(startPos, endPos).trim();
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}
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