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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 Popup {
constructor() {
this.offset = 10;
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'));
document.body.appendChild(this.container);
}
show(rect) {
this.container.style.left = rect.x + 'px';
this.container.style.top = rect.y + 'px';
this.container.style.height = rect.height + 'px';
this.container.style.width = rect.width + 'px';
this.container.style.visibility = 'visible';
}
showNextTo(elementRect) {
const containerStyle = window.getComputedStyle(this.container);
const containerHeight = parseInt(containerStyle.height);
const containerWidth = parseInt(containerStyle.width);
let x = elementRect.left;
let width = containerWidth;
if (x + width >= window.innerWidth) {
const widthMax = window.innerWidth - x;
width = Math.min(width, widthMax);
x = window.innerWidth - width;
}
let y = elementRect.bottom + this.offset;
let height = containerHeight;
if (y + height >= window.innerHeight) {
const heightMax = window.innerHeight - y - this.offset;
height = Math.min(height, heightMax);
y = elementRect.top - height - this.offset;
}
this.show({x, y, width, height});
}
visible() {
return this.container !== null && this.container.style.visibility !== 'hidden';
}
hide() {
if (this.container !== null) {
this.container.style.visibility = 'hidden';
}
}
invoke(action, params) {
if (this.container !== null) {
this.container.contentWindow.postMessage({action, params}, '*');
}
}
}
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