/* * 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); } showAt(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.showAt({x, y, width, height}); } hide() { this.container.style.visibility = 'hidden'; } isVisible() { return this.container.style.visibility !== 'hidden'; } showTermDefs(definitions, options) { this.invokeApi('showTermDefs', {definitions, options}); } showKanjiDefs(definitions, options) { this.invokeApi('showKanjiDefs', {definitions, options}); } invokeApi(action, params) { this.container.contentWindow.postMessage({action, params}, '*'); } }