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-rw-r--r--ext/js/client.js122
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diff --git a/ext/js/client.js b/ext/js/client.js
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+++ b/ext/js/client.js
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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/>.
+ */
+
+
+class Client {
+ constructor() {
+ this.popupOffset = 10;
+ this.lastMosePos = null;
+ this.enabled = false;
+
+ this.popup = document.createElement('div');
+ this.popup.classList.add('yomichan-popup');
+ this.popup.addEventListener('mousedown', (e) => e.stopPropagation());
+ this.popup.addEventListener('scroll', (e) => e.stopPropagation());
+ document.body.appendChild(this.popup);
+
+ chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
+ window.addEventListener('mousedown', this.onMouseDown.bind(this));
+ window.addEventListener('mousemove', this.onMouseMove.bind(this));
+ window.addEventListener('keydown', this.onKeyDown.bind(this));
+ window.addEventListener('scroll', (e) => this.hidePopup());
+ window.addEventListener('resize', (e) => this.hidePopup());
+
+ getState((state) => this.setEnabled(state === 'enabled'));
+ }
+
+ onKeyDown(e) {
+ if (this.enabled && this.lastMousePos !== null && (e.keyCode === 16 || e.charCode === 16)) {
+ this.searchAtPoint(this.lastMousePos);
+ }
+ }
+
+ onMouseMove(e) {
+ this.lastMousePos = {x: e.clientX, y: e.clientY};
+ if (this.enabled && (e.shiftKey || e.which === 2)) {
+ this.searchAtPoint(this.lastMousePos);
+ }
+ }
+
+ onMouseDown(e) {
+ this.lastMousePos = {x: e.clientX, y: e.clientY};
+ if (this.enabled && (e.shiftKey || e.which === 2)) {
+ this.searchAtPoint(this.lastMousePos);
+ } else {
+ this.hidePopup();
+ }
+ }
+
+ onMessage(request, sender, callback) {
+ this.setEnabled(request === 'enabled');
+ callback();
+ }
+
+ searchAtPoint(point) {
+ const range = getRangeAtPoint(point, 10);
+ if (range === null) {
+ this.hidePopup();
+ return;
+ }
+
+ const rect = getRangePaddedRect(range);
+ if (point.x < rect.left || point.x > rect.right) {
+ this.hidePopup();
+ return;
+ }
+
+ findTerm(range.toString(), ({results, length}) => {
+ if (length === 0) {
+ this.hidePopup();
+ } else {
+ range.setEnd(range.endContainer, range.startOffset + length);
+ renderTemplate({defs: results}, 'defs.html', (html) => {
+ this.popup.innerHTML = html;
+ this.showPopup(range);
+ });
+ }
+ });
+ }
+
+ showPopup(range) {
+ const selection = window.getSelection();
+ selection.removeAllRanges();
+ selection.addRange(range);
+
+ const pos = getPopupPositionForRange(this.popup, range, this.popupOffset);
+
+ this.popup.style.left = pos.x + 'px';
+ this.popup.style.top = pos.y + 'px';
+ this.popup.style.visibility = 'visible';
+ }
+
+ hidePopup() {
+ if (this.popup.style.visibility !== 'hidden') {
+ const selection = window.getSelection();
+ selection.removeAllRanges();
+ this.popup.style.visibility = 'hidden';
+ }
+ }
+
+ setEnabled(enabled) {
+ if (!(this.enabled = enabled)) {
+ this.hidePopup();
+ }
+ }
+}
+
+window.yomiClient = new Client();