33aeae4110
* Move super invocation * Move active element check * Simplify key handling * Remove unused
357 lines
11 KiB
JavaScript
357 lines
11 KiB
JavaScript
/*
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* Copyright (C) 2016-2021 Yomichan Authors
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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
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* ClipboardMonitor
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* Display
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* api
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* wanakana
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*/
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class DisplaySearch extends Display {
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constructor(japaneseUtil, documentFocusController) {
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super('search', japaneseUtil, documentFocusController);
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this._searchButton = document.querySelector('#search-button');
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this._queryInput = document.querySelector('#search-textbox');
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this._introElement = document.querySelector('#intro');
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this._clipboardMonitorEnableCheckbox = document.querySelector('#clipboard-monitor-enable');
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this._wanakanaEnableCheckbox = document.querySelector('#wanakana-enable');
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this._queryInputEvents = new EventListenerCollection();
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this._wanakanaEnabled = false;
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this._isPrepared = false;
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this._introVisible = true;
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this._introAnimationTimer = null;
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this._clipboardMonitorEnabled = false;
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this._clipboardMonitor = new ClipboardMonitor({
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japaneseUtil,
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clipboardReader: {
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getText: async () => (await api.clipboardGet())
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}
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});
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this.autoPlayAudioDelay = 0;
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}
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async prepare() {
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await super.prepare();
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await this.updateOptions();
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yomichan.on('optionsUpdated', this._onOptionsUpdated.bind(this));
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this.on('contentUpdating', this._onContentUpdating.bind(this));
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this.on('modeChange', this._onModeChange.bind(this));
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this.registerMessageHandlers([
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['updateSearchQuery', {async: false, handler: this._onExternalSearchUpdate.bind(this)}]
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]);
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this.queryParserVisible = true;
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this.setHistorySettings({useBrowserHistory: true});
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const enableWanakana = !!this.getOptions().general.enableWanakana;
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this._wanakanaEnableCheckbox.checked = enableWanakana;
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this._setWanakanaEnabled(enableWanakana);
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this._searchButton.addEventListener('click', this._onSearch.bind(this), false);
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this._wanakanaEnableCheckbox.addEventListener('change', this._onWanakanaEnableChange.bind(this));
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window.addEventListener('copy', this._onCopy.bind(this));
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this._clipboardMonitor.on('change', this._onExternalSearchUpdate.bind(this));
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this._clipboardMonitorEnableCheckbox.addEventListener('change', this._onClipboardMonitorEnableChange.bind(this));
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this._onModeChange();
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this.initializeState();
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this._isPrepared = true;
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}
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onEscape() {
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if (this._queryInput === null) {
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return;
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}
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this._queryInput.focus();
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this._queryInput.select();
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}
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onKeyDown(e) {
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if (
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!super.onKeyDown(e) &&
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document.activeElement !== this._queryInput &&
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!e.ctrlKey &&
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!e.metaKey &&
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!e.altKey &&
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e.key.length === 1
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) {
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this._queryInput.focus({preventScroll: true});
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}
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}
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postProcessQuery(query) {
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if (this._wanakanaEnabled) {
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try {
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query = this._japaneseUtil.convertToKana(query);
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} catch (e) {
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// NOP
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}
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}
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return query;
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}
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// Private
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async _onOptionsUpdated() {
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await this.updateOptions();
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const query = this._queryInput.value;
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if (query) {
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this.searchLast();
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}
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}
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_onContentUpdating({type, content, source}) {
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let animate = false;
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let valid = false;
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switch (type) {
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case 'terms':
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case 'kanji':
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animate = !!content.animate;
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valid = content.definitions.length > 0;
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this.blurElement(this._queryInput);
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break;
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case 'clear':
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valid = false;
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animate = true;
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source = '';
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break;
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}
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if (typeof source !== 'string') { source = ''; }
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this._queryInput.value = source;
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this._updateSearchHeight();
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this._setIntroVisible(!valid, animate);
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}
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_onSearchInput() {
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this._updateSearchHeight();
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}
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_onSearchKeydown(e) {
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if (e.code !== 'Enter' || e.shiftKey) { return; }
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// Search
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e.preventDefault();
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e.stopImmediatePropagation();
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this.blurElement(e.currentTarget);
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this._search(true, true);
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}
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_onSearch(e) {
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e.preventDefault();
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this._search(true, true);
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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(window.getSelection().toString().trim());
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}
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_onExternalSearchUpdate({text, animate=true}) {
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const {general: {maximumClipboardSearchLength}} = this.getOptions();
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if (text.length > maximumClipboardSearchLength) {
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text = text.substring(0, maximumClipboardSearchLength);
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}
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this._queryInput.value = text;
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this._search(animate, false);
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}
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_onWanakanaEnableChange(e) {
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const value = e.target.checked;
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this._setWanakanaEnabled(value);
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api.modifySettings([{
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action: 'set',
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path: 'general.enableWanakana',
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value,
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scope: 'profile',
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optionsContext: this.getOptionsContext()
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}], 'search');
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}
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_onClipboardMonitorEnableChange(e) {
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const enabled = e.target.checked;
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this._setClipboardMonitorEnabled(enabled);
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}
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_onModeChange() {
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let mode = this.mode;
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if (mode === null) { mode = ''; }
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document.documentElement.dataset.searchMode = mode;
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this._updateClipboardMonitorEnabled();
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}
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_setWanakanaEnabled(enabled) {
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const input = this._queryInput;
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this._queryInputEvents.removeAllEventListeners();
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this._queryInputEvents.addEventListener(input, 'keydown', this._onSearchKeydown.bind(this), false);
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if (this._wanakanaEnabled !== enabled) {
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this._wanakanaEnabled = enabled;
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if (enabled) {
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wanakana.bind(input);
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} else {
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wanakana.unbind(input);
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}
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}
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this._queryInputEvents.addEventListener(input, 'input', this._onSearchInput.bind(this), false);
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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._introElement === 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._introElement.style.transition = '';
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this._introElement.style.height = '';
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const size = this._introElement.getBoundingClientRect();
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this._introElement.style.height = '0px';
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this._introElement.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this._introElement).getPropertyValue('height'); // Commits height so next line can start animation
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this._introElement.style.height = `${size.height}px`;
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this._introAnimationTimer = setTimeout(() => {
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this._introElement.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._introElement.style.transition = '';
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this._introElement.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._introElement.getBoundingClientRect();
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this._introElement.style.height = `${size.height}px`;
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this._introElement.style.transition = `height ${duration}s ease-in-out 0s`;
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window.getComputedStyle(this._introElement).getPropertyValue('height'); // Commits height so next line can start animation
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} else {
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this._introElement.style.transition = '';
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}
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this._introElement.style.height = '0';
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}
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async _setClipboardMonitorEnabled(value) {
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let modify = true;
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if (value) {
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value = await this._requestPermissions(['clipboardRead']);
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modify = value;
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}
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this._clipboardMonitorEnabled = value;
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this._updateClipboardMonitorEnabled();
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if (!modify) { return; }
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await api.modifySettings([{
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action: 'set',
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path: 'general.enableClipboardMonitor',
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value,
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scope: 'profile',
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optionsContext: this.getOptionsContext()
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}], 'search');
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}
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_updateClipboardMonitorEnabled() {
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const mode = this.mode;
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const enabled = this._clipboardMonitorEnabled;
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this._clipboardMonitorEnableCheckbox.checked = enabled;
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if (enabled && mode !== 'popup') {
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this._clipboardMonitor.start();
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} else {
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this._clipboardMonitor.stop();
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}
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}
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_requestPermissions(permissions) {
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return new Promise((resolve) => {
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chrome.permissions.request(
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{permissions},
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(granted) => {
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const e = chrome.runtime.lastError;
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resolve(!e && granted);
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}
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);
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});
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}
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_search(animate, history) {
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const query = this._queryInput.value;
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const depth = this.depth;
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const url = window.location.href;
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const documentTitle = document.title;
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const details = {
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focus: false,
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history,
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params: {
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query
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},
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state: {
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focusEntry: 0,
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optionsContext: {depth, url},
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url,
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sentence: {text: query, offset: 0},
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documentTitle
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},
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content: {
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definitions: null,
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animate
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}
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};
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this.setContent(details);
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}
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_updateSearchHeight() {
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const node = this._queryInput;
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const {scrollHeight} = node;
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const currentHeight = node.getBoundingClientRect().height;
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if (scrollHeight >= currentHeight - 1) {
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node.style.height = `${scrollHeight}px`;
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}
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}
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}
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