110 lines
3.7 KiB
JavaScript
110 lines
3.7 KiB
JavaScript
/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class Popup {
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constructor() {
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this.offset = 10;
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this.minWidth = 400;
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this.minHeight = 250;
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this.container = document.createElement('iframe');
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this.container.id = 'yomichan-popup';
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this.container.addEventListener('mousedown', e => e.stopPropagation());
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this.container.addEventListener('scroll', e => e.stopPropagation());
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this.container.setAttribute('src', chrome.extension.getURL('/fg/frame.html'));
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this.container.style.width=`${this.minWidth}px`;
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this.container.style.height=`${this.minHeight}px`;
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document.body.appendChild(this.container);
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}
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showAt(rect) {
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this.container.style.left = `${rect.x}px`;
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this.container.style.top = `${rect.y}px`;
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this.container.style.height = `${rect.height}px`;
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this.container.style.width = `${rect.width}px`;
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this.container.style.visibility = 'visible';
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}
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showNextTo(elementRect) {
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const containerStyle = window.getComputedStyle(this.container);
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const containerHeight = parseInt(containerStyle.height);
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const containerWidth = parseInt(containerStyle.width);
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const limitX = document.body.clientWidth;
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const limitY = window.innerHeight;
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let x = elementRect.left;
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let width = Math.max(containerWidth, this.minWidth);
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const overflowX = Math.max(x + width - limitX, 0);
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if (overflowX > 0) {
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if (x >= overflowX) {
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x -= overflowX;
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} else {
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width = limitX;
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x = 0;
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}
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}
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let y = 0;
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let height = Math.max(containerHeight, this.minHeight);
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const yBelow = elementRect.bottom + this.offset;
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const yAbove = elementRect.top - this.offset;
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const overflowBelow = Math.max(yBelow + height - limitY, 0);
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const overflowAbove = Math.max(height - yAbove, 0);
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if (overflowBelow > 0 || overflowAbove > 0) {
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if (overflowBelow < overflowAbove) {
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height = Math.max(height - overflowBelow, 0);
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y = yBelow;
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} else {
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height = Math.max(height - overflowAbove, 0);
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y = Math.max(yAbove - height, 0);
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}
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} else {
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y = yBelow;
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}
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this.showAt({x, y, width, height});
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}
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hide() {
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this.container.style.visibility = 'hidden';
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}
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isVisible() {
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return this.container.style.visibility !== 'hidden';
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}
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showTermDefs(definitions, options, context) {
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this.invokeApi('showTermDefs', {definitions, options, context});
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}
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showKanjiDefs(definitions, options, context) {
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this.invokeApi('showKanjiDefs', {definitions, options, context});
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}
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showOrphaned() {
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this.invokeApi('showOrphaned');
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}
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invokeApi(action, params={}) {
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this.container.contentWindow.postMessage({action, params}, '*');
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}
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}
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