122 lines
3.8 KiB
JavaScript
122 lines
3.8 KiB
JavaScript
/*
|
|
* 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.popup = $('<div class="yomichan-popup"/>');
|
|
this.popupOffset = 10;
|
|
this.lastMosePos = null;
|
|
this.enabled = false;
|
|
|
|
$('body').append(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());
|
|
this.popup.mousedown((e) => e.stopPropagation());
|
|
this.popup.scroll((e) => e.stopPropagation());
|
|
|
|
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.html(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.css({left: pos.x, top: pos.y, visibility: 'visible'});
|
|
}
|
|
|
|
hidePopup() {
|
|
if (this.popup.css('visibility') === 'hidden') {
|
|
return;
|
|
}
|
|
|
|
const selection = window.getSelection();
|
|
selection.removeAllRanges();
|
|
|
|
this.popup.css({visibility: 'hidden'});
|
|
}
|
|
|
|
setEnabled(enabled) {
|
|
if (!(this.enabled = enabled)) {
|
|
this.hidePopup();
|
|
}
|
|
}
|
|
}
|
|
|
|
window.yomiClient = new Client();
|