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/*
* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
class SettingsPopupPreview {
constructor() {
this.frontend = null;
this.apiOptionsGetOld = apiOptionsGet;
this.popupInjectOuterStylesheetOld = Popup.injectOuterStylesheet;
this.popupShown = false;
this.themeChangeTimeout = null;
this.textSource = null;
}
static create() {
const instance = new SettingsPopupPreview();
instance.prepare();
return instance;
}
async prepare() {
// Setup events
window.addEventListener('resize', (e) => this.onWindowResize(e), false);
window.addEventListener('message', (e) => this.onMessage(e), false);
const themeDarkCheckbox = document.querySelector('#theme-dark-checkbox');
if (themeDarkCheckbox !== null) {
themeDarkCheckbox.addEventListener('change', () => this.onThemeDarkCheckboxChanged(themeDarkCheckbox), false);
}
// Overwrite API functions
window.apiOptionsGet = (...args) => this.apiOptionsGet(...args);
// Overwrite frontend
this.frontend = Frontend.create();
window.yomichan_frontend = this.frontend;
this.frontend.setEnabled = function () {};
this.frontend.searchClear = function () {};
this.frontend.popup.setChildrenSupported(false);
await this.frontend.isPrepared();
// Overwrite popup
Popup.injectOuterStylesheet = (...args) => this.popupInjectOuterStylesheet(...args);
// Update search
this.updateSearch();
}
async apiOptionsGet(...args) {
const options = await this.apiOptionsGetOld(...args);
options.general.enable = true;
options.general.debugInfo = false;
options.general.popupWidth = 400;
options.general.popupHeight = 250;
options.general.popupHorizontalOffset = 0;
options.general.popupVerticalOffset = 10;
options.general.popupHorizontalOffset2 = 10;
options.general.popupVerticalOffset2 = 0;
options.general.popupHorizontalTextPosition = 'below';
options.general.popupVerticalTextPosition = 'before';
options.scanning.selectText = false;
return options;
}
popupInjectOuterStylesheet(...args) {
// This simulates the stylesheet priorities when injecting using the web extension API.
const result = this.popupInjectOuterStylesheetOld(...args);
const outerStylesheet = Popup.outerStylesheet;
const node = document.querySelector('#client-css');
if (node !== null && outerStylesheet !== null) {
node.parentNode.insertBefore(outerStylesheet, node);
}
return result;
}
onWindowResize() {
if (this.frontend === null) { return; }
const textSource = this.textSource;
if (textSource === null) { return; }
const elementRect = textSource.getRect();
const writingMode = textSource.getWritingMode();
this.frontend.popup.showContent(elementRect, writingMode);
}
onMessage(e) {
const {action, params} = e.data;
const handler = SettingsPopupPreview._messageHandlers.get(action);
if (typeof handler !== 'function') { return; }
handler(this, params);
}
onThemeDarkCheckboxChanged(node) {
document.documentElement.classList.toggle('dark', node.checked);
if (this.themeChangeTimeout !== null) {
clearTimeout(this.themeChangeTimeout);
}
this.themeChangeTimeout = setTimeout(() => {
this.themeChangeTimeout = null;
this.frontend.popup.updateTheme();
}, 300);
}
setText(text) {
const exampleText = document.querySelector('#example-text');
if (exampleText === null) { return; }
exampleText.textContent = text;
this.updateSearch();
}
setInfoVisible(visible) {
const node = document.querySelector('.placeholder-info');
if (node === null) { return; }
node.classList.toggle('placeholder-info-visible', visible);
}
setCustomCss(css) {
if (this.frontend === null) { return; }
this.frontend.popup.setCustomCss(css);
}
setCustomOuterCss(css) {
if (this.frontend === null) { return; }
this.frontend.popup.setCustomOuterCss(css, true);
}
async updateSearch() {
const exampleText = document.querySelector('#example-text');
if (exampleText === null) { return; }
const textNode = exampleText.firstChild;
if (textNode === null) { return; }
const range = document.createRange();
range.selectNode(textNode);
const source = new TextSourceRange(range, range.toString(), null);
try {
await this.frontend.onSearchSource(source, 'script');
} finally {
source.cleanup();
}
this.textSource = source;
await this.frontend.showContentCompleted();
if (this.frontend.popup.isVisibleSync()) {
this.popupShown = true;
}
this.setInfoVisible(!this.popupShown);
}
}
SettingsPopupPreview._messageHandlers = new Map([
['setText', (self, {text}) => self.setText(text)],
['setCustomCss', (self, {css}) => self.setCustomCss(css)],
['setCustomOuterCss', (self, {css}) => self.setCustomOuterCss(css)]
]);
SettingsPopupPreview.instance = SettingsPopupPreview.create();
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