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/*
* Copyright (C) 2019-2022 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/>.
*/
class PopupPreviewController {
constructor(settingsController) {
this._settingsController = settingsController;
this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
this._frame = null;
this._customCss = null;
this._customOuterCss = null;
this._previewFrameContainer = null;
}
async prepare() {
if (new URLSearchParams(location.search).get('popup-preview') === 'false') { return; }
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._onFrameLoad.bind(this), false);
this._settingsController.on('optionsContextChanged', this._onOptionsContextChange.bind(this));
this._frame.src = '/popup-preview.html';
}
// Private
_onFrameLoad() {
this._onOptionsContextChange();
this._onCustomCssChange();
this._onCustomOuterCssChange();
}
_onCustomCssChange() {
this._invoke('PopupPreviewFrame.setCustomCss', {css: this._customCss.value});
}
_onCustomOuterCssChange() {
this._invoke('PopupPreviewFrame.setCustomOuterCss', {css: this._customOuterCss.value});
}
_onOptionsContextChange() {
const optionsContext = this._settingsController.getOptionsContext();
this._invoke('PopupPreviewFrame.updateOptionsContext', {optionsContext});
}
_invoke(action, params) {
if (this._frame === null || this._frame.contentWindow === null) { return; }
this._frame.contentWindow.postMessage({action, params}, this._targetOrigin);
}
}
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