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/*
* 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);
}
}
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