651231fbc1
Previously the contentdocument of the iFrame was opened and document.write() was being used set the contents of the popup. In Gecko, content scripts do not have the same security context as of the embedded page, so the call to document.open() results in a SecurityError.
88 lines
2.4 KiB
JavaScript
88 lines
2.4 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.popup = null;
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this.offset = 10;
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}
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showAt(pos, content) {
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this.inject();
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this.popup.style.left = pos.x + 'px';
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this.popup.style.top = pos.y + 'px';
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this.popup.style.visibility = 'visible';
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this.setContent(content);
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}
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showNextTo(elementRect, content) {
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this.inject();
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const popupRect = this.popup.getBoundingClientRect();
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let posX = elementRect.left;
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if (posX + popupRect.width >= window.innerWidth) {
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posX = window.innerWidth - popupRect.width;
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}
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let posY = elementRect.bottom + this.offset;
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if (posY + popupRect.height >= window.innerHeight) {
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posY = elementRect.top - popupRect.height - this.offset;
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}
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this.showAt({x: posX, y: posY}, content);
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}
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hide() {
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if (this.popup !== null) {
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this.popup.style.visibility = 'hidden';
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}
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}
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setContent(content) {
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if (this.popup === null) {
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return;
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}
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const doc = this.popup;
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doc.srcdoc=content;
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}
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sendMessage(action, params, callback) {
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if (this.popup !== null) {
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this.popup.contentWindow.postMessage({action, params}, '*');
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}
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}
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inject() {
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if (this.popup !== null) {
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return;
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}
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this.popup = document.createElement('iframe');
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this.popup.id = 'yomichan-popup';
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this.popup.addEventListener('mousedown', (e) => e.stopPropagation());
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this.popup.addEventListener('scroll', (e) => e.stopPropagation());
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document.body.appendChild(this.popup);
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}
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}
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