/* * Copyright (C) 2019-2020 Yomichan Authors * * 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 <https://www.gnu.org/licenses/>. */ /* global * wanakana */ class PopupPreviewController { constructor(settingsController) { this._settingsController = settingsController; this._previewVisible = false; this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, ''); this._frame = null; this._previewTextInput = null; } prepare() { document.querySelector('#settings-popup-preview-button').addEventListener('click', this._onShowPopupPreviewButtonClick.bind(this), false); } // Private _onShowPopupPreviewButtonClick() { if (this._previewVisible) { return; } this._showAppearancePreview(); this._previewVisible = true; } _showAppearancePreview() { const container = document.querySelector('#settings-popup-preview-container'); const buttonContainer = document.querySelector('#settings-popup-preview-button-container'); const settings = document.querySelector('#settings-popup-preview-settings'); const text = document.querySelector('#settings-popup-preview-text'); const customCss = document.querySelector('#custom-popup-css'); const customOuterCss = document.querySelector('#custom-popup-outer-css'); const frame = document.createElement('iframe'); this._previewTextInput = text; this._frame = frame; wanakana.bind(text); frame.addEventListener('load', this._onFrameLoad.bind(this), false); text.addEventListener('input', this._onTextChange.bind(this), false); customCss.addEventListener('input', this._onCustomCssChange.bind(this), false); customOuterCss.addEventListener('input', this._onCustomOuterCssChange.bind(this), false); this._settingsController.on('optionsContextChanged', this._onOptionsContextChange.bind(this)); frame.src = '/bg/settings-popup-preview.html'; frame.id = 'settings-popup-preview-frame'; container.appendChild(frame); if (buttonContainer.parentNode !== null) { buttonContainer.parentNode.removeChild(buttonContainer); } settings.style.display = ''; } _onFrameLoad() { this._onOptionsContextChange(); this._setText(this._previewTextInput.value); } _onTextChange(e) { this._setText(e.currentTarget.value); } _onCustomCssChange(e) { this._invoke('setCustomCss', {css: e.currentTarget.value}); } _onCustomOuterCssChange(e) { this._invoke('setCustomOuterCss', {css: e.currentTarget.value}); } _onOptionsContextChange() { const optionsContext = this._settingsController.getOptionsContext(); this._invoke('updateOptionsContext', {optionsContext}); } _setText(text) { this._invoke('setText', {text}); } _invoke(action, params) { if (this._frame === null || this._frame.contentWindow === null) { return; } this._frame.contentWindow.postMessage({action, params}, this._targetOrigin); } }