93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
/*
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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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class Client {
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constructor() {
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this.popup = $('<div class="yomichan-popup"/>');
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this.popupOffset = 10;
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this.enabled = false;
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$('body').append(this.popup);
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chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
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window.addEventListener('mousemove', this.onMouseMove.bind(this));
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getState((state) => this.setEnabled(state === 'enabled'));
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}
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onMouseMove(e) {
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if (!this.enabled || !e.shiftKey) {
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return;
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}
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const range = getRangeAtCursor(e, 10);
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if (range === null) {
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this.hidePopup();
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return;
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}
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const rect = getRangePaddedRect(range);
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if (e.clientX < rect.left || e.clientX > rect.right) {
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this.hidePopup();
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return;
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}
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findTerm(range.toString(), ({results, length}) => {
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if (length === 0) {
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this.hidePopup();
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} else {
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range.setEnd(range.endContainer, range.startOffset + length);
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renderTemplate({defs: results.slice(0, 5)}, 'defs.html', (html) => {
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this.popup.html(html);
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this.showPopup(range);
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});
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}
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});
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}
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onMessage(request, sender, callback) {
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this.setEnabled(request === 'enabled');
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callback();
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}
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showPopup(range) {
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const selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange(range);
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const pos = getPopupPositionForRange(this.popup, range, this.popupOffset);
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this.popup.css({left: pos.x, top: pos.y, visibility: 'visible'});
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}
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hidePopup() {
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const selection = window.getSelection();
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selection.removeAllRanges();
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this.popup.css({visibility: 'hidden'});
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}
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setEnabled(enabled) {
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if (!(this.enabled = enabled)) {
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this.hidePopup();
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}
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}
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}
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window.yomiClient = new Client();
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