369 lines
12 KiB
JavaScript
369 lines
12 KiB
JavaScript
/*
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* Copyright (C) 2016-2020 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/*global apiOptionsSet, apiTermsFind, Display, QueryParser, ClipboardMonitor*/
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class DisplaySearch extends Display {
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constructor() {
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super(document.querySelector('#spinner'), document.querySelector('#content'));
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this.optionsContext = {
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depth: 0,
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url: window.location.href
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};
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this.queryParser = new QueryParser(this);
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this.search = document.querySelector('#search');
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this.query = document.querySelector('#query');
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this.intro = document.querySelector('#intro');
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this.clipboardMonitorEnable = document.querySelector('#clipboard-monitor-enable');
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this.wanakanaEnable = document.querySelector('#wanakana-enable');
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this.introVisible = true;
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this.introAnimationTimer = null;
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this.clipboardMonitor = new ClipboardMonitor();
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}
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static create() {
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const instance = new DisplaySearch();
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instance.prepare();
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return instance;
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}
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async prepare() {
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try {
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await this.initialize();
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await this.queryParser.prepare();
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const {queryParams: {query='', mode=''}} = parseUrl(window.location.href);
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if (this.search !== null) {
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this.search.addEventListener('click', (e) => this.onSearch(e), false);
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}
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if (this.query !== null) {
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document.documentElement.dataset.searchMode = mode;
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this.query.addEventListener('input', () => this.onSearchInput(), false);
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if (this.wanakanaEnable !== null) {
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if (this.options.general.enableWanakana === true) {
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this.wanakanaEnable.checked = true;
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window.wanakana.bind(this.query);
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} else {
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this.wanakanaEnable.checked = false;
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}
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this.wanakanaEnable.addEventListener('change', (e) => {
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const {queryParams: {query=''}} = parseUrl(window.location.href);
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if (e.target.checked) {
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window.wanakana.bind(this.query);
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apiOptionsSet({general: {enableWanakana: true}}, this.getOptionsContext());
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} else {
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window.wanakana.unbind(this.query);
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apiOptionsSet({general: {enableWanakana: false}}, this.getOptionsContext());
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}
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this.setQuery(query);
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this.onSearchQueryUpdated(this.query.value, false);
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});
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}
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this.setQuery(query);
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this.onSearchQueryUpdated(this.query.value, false);
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}
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if (this.clipboardMonitorEnable !== null && mode !== 'popup') {
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if (this.options.general.enableClipboardMonitor === true) {
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this.clipboardMonitorEnable.checked = true;
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this.clipboardMonitor.start();
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} else {
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this.clipboardMonitorEnable.checked = false;
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}
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this.clipboardMonitorEnable.addEventListener('change', (e) => {
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if (e.target.checked) {
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chrome.permissions.request(
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{permissions: ['clipboardRead']},
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(granted) => {
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if (granted) {
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this.clipboardMonitor.start();
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apiOptionsSet({general: {enableClipboardMonitor: true}}, this.getOptionsContext());
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} else {
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e.target.checked = false;
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}
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}
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);
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} else {
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this.clipboardMonitor.stop();
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apiOptionsSet({general: {enableClipboardMonitor: false}}, this.getOptionsContext());
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}
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});
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}
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chrome.runtime.onMessage.addListener(this.onRuntimeMessage.bind(this));
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window.addEventListener('popstate', (e) => this.onPopState(e));
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window.addEventListener('copy', (e) => this.onCopy(e));
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this.clipboardMonitor.onClipboardText = (text) => this.onExternalSearchUpdate(text);
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this.updateSearchButton();
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} catch (e) {
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this.onError(e);
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}
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}
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onError(error) {
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logError(error, true);
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}
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onSearchClear() {
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if (this.query === null) {
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return;
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}
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this.query.focus();
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this.query.select();
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}
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onSearchInput() {
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this.updateSearchButton();
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const queryElementRect = this.query.getBoundingClientRect();
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if (queryElementRect.top < 0 || queryElementRect.bottom > window.innerHeight) {
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this.query.scrollIntoView();
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}
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}
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onSearch(e) {
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if (this.query === null) {
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return;
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}
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e.preventDefault();
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const query = this.query.value;
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this.queryParser.setText(query);
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const url = new URL(window.location.href);
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url.searchParams.set('query', query);
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window.history.pushState(null, '', url.toString());
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this.onSearchQueryUpdated(query, true);
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}
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onPopState() {
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const {queryParams: {query='', mode=''}} = parseUrl(window.location.href);
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document.documentElement.dataset.searchMode = mode;
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this.setQuery(query);
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this.onSearchQueryUpdated(this.query.value, false);
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}
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onRuntimeMessage({action, params}, sender, callback) {
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const handler = DisplaySearch._runtimeMessageHandlers.get(action);
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if (typeof handler !== 'function') { return false; }
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const result = handler(this, params, sender);
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callback(result);
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return false;
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}
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onKeyDown(e) {
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const key = Display.getKeyFromEvent(e);
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const ignoreKeys = DisplaySearch.onKeyDownIgnoreKeys;
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const activeModifierMap = {
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'Control': e.ctrlKey,
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'Meta': e.metaKey,
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'ANY_MOD': true
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};
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let preventFocus = false;
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for (const [modifier, keys] of Object.entries(ignoreKeys)) {
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const modifierActive = activeModifierMap[modifier];
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if (key === modifier || (modifierActive && keys.includes(key))) {
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preventFocus = true;
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break;
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}
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}
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if (!super.onKeyDown(e) && !preventFocus && document.activeElement !== this.query) {
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this.query.focus({preventScroll: true});
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}
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}
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onCopy() {
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// ignore copy from search page
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this.clipboardMonitor.setPreviousText(document.getSelection().toString().trim());
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}
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onExternalSearchUpdate(text) {
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this.setQuery(text);
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const url = new URL(window.location.href);
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url.searchParams.set('query', text);
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window.history.pushState(null, '', url.toString());
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this.onSearchQueryUpdated(this.query.value, true);
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}
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async onSearchQueryUpdated(query, animate) {
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try {
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const details = {};
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const match = /^([*\uff0a]*)([\w\W]*?)([*\uff0a]*)$/.exec(query);
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if (match !== null) {
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if (match[1]) {
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details.wildcard = 'prefix';
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} else if (match[3]) {
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details.wildcard = 'suffix';
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}
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query = match[2];
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}
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const valid = (query.length > 0);
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this.setIntroVisible(!valid, animate);
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this.updateSearchButton();
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if (valid) {
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const {definitions} = await apiTermsFind(query, details, this.optionsContext);
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this.setContent('terms', {definitions, context: {
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focus: false,
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disableHistory: true,
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sentence: {text: query, offset: 0},
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url: window.location.href
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}});
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} else {
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this.container.textContent = '';
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}
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this.setTitleText(query);
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window.parent.postMessage('popupClose', '*');
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} catch (e) {
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this.onError(e);
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}
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}
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async updateOptions(options) {
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await super.updateOptions(options);
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this.queryParser.setOptions(this.options);
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}
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isWanakanaEnabled() {
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return this.wanakanaEnable !== null && this.wanakanaEnable.checked;
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}
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getOptionsContext() {
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return this.optionsContext;
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}
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setQuery(query) {
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const interpretedQuery = this.isWanakanaEnabled() ? window.wanakana.toKana(query) : query;
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this.query.value = interpretedQuery;
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this.queryParser.setText(interpretedQuery);
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}
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setIntroVisible(visible, animate) {
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if (this.introVisible === visible) {
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return;
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}
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this.introVisible = visible;
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if (this.intro === null) {
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return;
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}
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if (this.introAnimationTimer !== null) {
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clearTimeout(this.introAnimationTimer);
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this.introAnimationTimer = null;
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}
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if (visible) {
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this.showIntro(animate);
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} else {
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this.hideIntro(animate);
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}
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}
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showIntro(animate) {
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if (animate) {
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const duration = 0.4;
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this.intro.style.transition = '';
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this.intro.style.height = '';
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const size = this.intro.getBoundingClientRect();
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this.intro.style.height = '0px';
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this.intro.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation
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this.intro.style.height = `${size.height}px`;
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this.introAnimationTimer = setTimeout(() => {
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this.intro.style.height = '';
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this.introAnimationTimer = null;
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}, duration * 1000);
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} else {
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this.intro.style.transition = '';
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this.intro.style.height = '';
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}
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}
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hideIntro(animate) {
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if (animate) {
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const duration = 0.4;
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const size = this.intro.getBoundingClientRect();
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this.intro.style.height = `${size.height}px`;
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this.intro.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation
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} else {
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this.intro.style.transition = '';
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}
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this.intro.style.height = '0';
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}
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updateSearchButton() {
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this.search.disabled = this.introVisible && (this.query === null || this.query.value.length === 0);
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}
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setTitleText(text) {
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// Chrome limits title to 1024 characters
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if (text.length > 1000) {
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text = text.substring(0, 1000) + '...';
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}
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if (text.length === 0) {
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document.title = 'Yomichan Search';
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} else {
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document.title = `${text} - Yomichan Search`;
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}
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}
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}
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DisplaySearch.onKeyDownIgnoreKeys = {
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'ANY_MOD': [
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'Tab', 'ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'PageDown', 'PageUp', 'Home', 'End',
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'F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9', 'F10',
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'F11', 'F12', 'F13', 'F14', 'F15', 'F16', 'F17', 'F18', 'F19', 'F20',
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'F21', 'F22', 'F23', 'F24'
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],
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'Control': ['C', 'A', 'Z', 'Y', 'X', 'F', 'G'],
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'Meta': ['C', 'A', 'Z', 'Y', 'X', 'F', 'G'],
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'OS': [],
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'Alt': [],
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'AltGraph': [],
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'Shift': []
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};
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DisplaySearch._runtimeMessageHandlers = new Map([
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['searchQueryUpdate', (self, {query}) => { self.onExternalSearchUpdate(query); }]
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]);
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DisplaySearch.instance = DisplaySearch.create();
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