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-rw-r--r--ext/js/settings/popup-preview-controller.js129
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diff --git a/ext/js/settings/popup-preview-controller.js b/ext/js/settings/popup-preview-controller.js
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+/*
+ * Copyright (C) 2019-2021 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;
+ this._customCss = null;
+ this._customOuterCss = null;
+ this._previewFrameContainer = null;
+ }
+
+ async prepare() {
+ const button = document.querySelector('#settings-popup-preview-button');
+ if (button !== null) {
+ button.addEventListener('click', this._onShowPopupPreviewButtonClick.bind(this), false);
+ } else {
+ this._frame = document.querySelector('#popup-preview-frame');
+ this._customCss = document.querySelector('#custom-popup-css');
+ this._customOuterCss = document.querySelector('#custom-popup-outer-css');
+ this._previewFrameContainer = document.querySelector('.preview-frame-container');
+
+ this._customCss.addEventListener('input', this._onCustomCssChange.bind(this), false);
+ this._customCss.addEventListener('settingChanged', this._onCustomCssChange.bind(this), false);
+ this._customOuterCss.addEventListener('input', this._onCustomOuterCssChange.bind(this), false);
+ this._customOuterCss.addEventListener('settingChanged', this._onCustomOuterCssChange.bind(this), false);
+ this._frame.addEventListener('load', this._onFrameLoad2.bind(this), false);
+ this._settingsController.on('optionsContextChanged', this._onOptionsContextChange.bind(this));
+ }
+ }
+
+ // 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;
+ this._customCss = customCss;
+ this._customOuterCss = customOuterCss;
+
+ 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 = '/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);
+ }
+
+ _onFrameLoad2() {
+ this._onOptionsContextChange();
+ this._onCustomCssChange();
+ this._onCustomOuterCssChange();
+ }
+
+ _onTextChange(e) {
+ this._setText(e.currentTarget.value);
+ }
+
+ _onCustomCssChange() {
+ this._invoke('setCustomCss', {css: this._customCss.value});
+ }
+
+ _onCustomOuterCssChange() {
+ this._invoke('setCustomOuterCss', {css: this._customOuterCss.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);
+ }
+}