120 lines
4.2 KiB
JavaScript
120 lines
4.2 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 Popup {
|
|
constructor() {
|
|
this.container = document.createElement('iframe');
|
|
this.container.id = 'yomichan-popup';
|
|
this.container.addEventListener('mousedown', e => e.stopPropagation());
|
|
this.container.addEventListener('scroll', e => e.stopPropagation());
|
|
this.container.setAttribute('src', chrome.extension.getURL('/fg/frame.html'));
|
|
this.container.style.width = '0px';
|
|
this.container.style.height = '0px';
|
|
this.injected = null;
|
|
}
|
|
|
|
inject() {
|
|
if (!this.injected) {
|
|
this.injected = new Promise((resolve, reject) => {
|
|
this.container.addEventListener('load', resolve);
|
|
document.body.appendChild(this.container);
|
|
});
|
|
}
|
|
|
|
return this.injected;
|
|
}
|
|
|
|
show(elementRect, options) {
|
|
return this.inject().then(() => {
|
|
const containerStyle = window.getComputedStyle(this.container);
|
|
const containerHeight = parseInt(containerStyle.height);
|
|
const containerWidth = parseInt(containerStyle.width);
|
|
|
|
const limitX = document.body.clientWidth;
|
|
const limitY = window.innerHeight;
|
|
|
|
let x = elementRect.left;
|
|
let width = Math.max(containerWidth, options.general.popupWidth);
|
|
const overflowX = Math.max(x + width - limitX, 0);
|
|
if (overflowX > 0) {
|
|
if (x >= overflowX) {
|
|
x -= overflowX;
|
|
} else {
|
|
width = limitX;
|
|
x = 0;
|
|
}
|
|
}
|
|
|
|
let y = 0;
|
|
let height = Math.max(containerHeight, options.general.popupHeight);
|
|
const yBelow = elementRect.bottom + options.general.popupOffset;
|
|
const yAbove = elementRect.top - options.general.popupOffset;
|
|
const overflowBelow = Math.max(yBelow + height - limitY, 0);
|
|
const overflowAbove = Math.max(height - yAbove, 0);
|
|
if (overflowBelow > 0 || overflowAbove > 0) {
|
|
if (overflowBelow < overflowAbove) {
|
|
height = Math.max(height - overflowBelow, 0);
|
|
y = yBelow;
|
|
} else {
|
|
height = Math.max(height - overflowAbove, 0);
|
|
y = Math.max(yAbove - height, 0);
|
|
}
|
|
} else {
|
|
y = yBelow;
|
|
}
|
|
|
|
this.container.style.left = `${x}px`;
|
|
this.container.style.top = `${y}px`;
|
|
this.container.style.width = `${width}px`;
|
|
this.container.style.height = `${height}px`;
|
|
this.container.style.visibility = 'visible';
|
|
});
|
|
}
|
|
|
|
hide() {
|
|
this.container.style.visibility = 'hidden';
|
|
}
|
|
|
|
isVisible() {
|
|
return this.injected && this.container.style.visibility !== 'hidden';
|
|
}
|
|
|
|
showTermDefs(elementRect, definitions, options, context) {
|
|
this.show(elementRect, options).then(() => {
|
|
this.invokeApi('showTermDefs', {definitions, options, context});
|
|
});
|
|
}
|
|
|
|
showKanjiDefs(elementRect, definitions, options, context) {
|
|
this.show(elementRect, options).then(() => {
|
|
this.invokeApi('showKanjiDefs', {definitions, options, context});
|
|
});
|
|
}
|
|
|
|
showOrphaned(elementRect, options) {
|
|
this.show(elementRect, options).then(() => {
|
|
this.invokeApi('showOrphaned');
|
|
});
|
|
}
|
|
|
|
invokeApi(action, params={}) {
|
|
this.container.contentWindow.postMessage({action, params}, '*');
|
|
}
|
|
}
|