/* * Copyright (C) 2016-2020 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 <https://www.gnu.org/licenses/>. */ /* global * ClipboardMonitor * Display * QueryParser * apiClipboardGet * apiOptionsSet * apiTermsFind */ class DisplaySearch extends Display { constructor() { super(document.querySelector('#spinner'), document.querySelector('#content')); this.optionsContext = { depth: 0, url: window.location.href }; this.queryParser = new QueryParser(this); this.search = document.querySelector('#search'); this.query = document.querySelector('#query'); this.intro = document.querySelector('#intro'); this.clipboardMonitorEnable = document.querySelector('#clipboard-monitor-enable'); this.wanakanaEnable = document.querySelector('#wanakana-enable'); this.introVisible = true; this.introAnimationTimer = null; this.clipboardMonitor = new ClipboardMonitor({getClipboard: apiClipboardGet}); this._onKeyDownIgnoreKeys = new Map([ ['ANY_MOD', new Set([ 'Tab', 'ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'PageDown', 'PageUp', 'Home', 'End', 'F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9', 'F10', 'F11', 'F12', 'F13', 'F14', 'F15', 'F16', 'F17', 'F18', 'F19', 'F20', 'F21', 'F22', 'F23', 'F24' ])], ['Control', new Set(['C', 'A', 'Z', 'Y', 'X', 'F', 'G'])], ['Meta', new Set(['C', 'A', 'Z', 'Y', 'X', 'F', 'G'])], ['OS', new Set()], ['Alt', new Set()], ['AltGraph', new Set()], ['Shift', new Set()] ]); this._runtimeMessageHandlers = new Map([ ['searchQueryUpdate', this.onExternalSearchUpdate.bind(this)] ]); } static create() { const instance = new DisplaySearch(); instance.prepare(); return instance; } async prepare() { try { await super.prepare(); await this.queryParser.prepare(); const {queryParams: {query='', mode=''}} = parseUrl(window.location.href); document.documentElement.dataset.searchMode = mode; if (this.options.general.enableWanakana === true) { this.wanakanaEnable.checked = true; window.wanakana.bind(this.query); } else { this.wanakanaEnable.checked = false; } this.setQuery(query); this.onSearchQueryUpdated(this.query.value, false); if (mode !== 'popup') { if (this.options.general.enableClipboardMonitor === true) { this.clipboardMonitorEnable.checked = true; this.clipboardMonitor.start(); } else { this.clipboardMonitorEnable.checked = false; } this.clipboardMonitorEnable.addEventListener('change', this.onClipboardMonitorEnableChange.bind(this)); } chrome.runtime.onMessage.addListener(this.onRuntimeMessage.bind(this)); this.search.addEventListener('click', this.onSearch.bind(this), false); this.query.addEventListener('input', this.onSearchInput.bind(this), false); this.wanakanaEnable.addEventListener('change', this.onWanakanaEnableChange.bind(this)); window.addEventListener('popstate', this.onPopState.bind(this)); window.addEventListener('copy', this.onCopy.bind(this)); this.clipboardMonitor.on('change', this.onExternalSearchUpdate.bind(this)); this.updateSearchButton(); } catch (e) { this.onError(e); } } onError(error) { logError(error, true); } onSearchClear() { if (this.query === null) { return; } this.query.focus(); this.query.select(); } onSearchInput() { this.updateSearchButton(); const queryElementRect = this.query.getBoundingClientRect(); if (queryElementRect.top < 0 || queryElementRect.bottom > window.innerHeight) { this.query.scrollIntoView(); } } onSearch(e) { if (this.query === null) { return; } e.preventDefault(); const query = this.query.value; this.queryParser.setText(query); const url = new URL(window.location.href); url.searchParams.set('query', query); window.history.pushState(null, '', url.toString()); this.onSearchQueryUpdated(query, true); } onPopState() { const {queryParams: {query='', mode=''}} = parseUrl(window.location.href); document.documentElement.dataset.searchMode = mode; this.setQuery(query); this.onSearchQueryUpdated(this.query.value, false); } onRuntimeMessage({action, params}, sender, callback) { const handler = this._runtimeMessageHandlers.get(action); if (typeof handler !== 'function') { return false; } const result = handler(params, sender); callback(result); return false; } onKeyDown(e) { const key = Display.getKeyFromEvent(e); const ignoreKeys = this._onKeyDownIgnoreKeys; const activeModifierMap = new Map([ ['Control', e.ctrlKey], ['Meta', e.metaKey], ['Shift', e.shiftKey], ['Alt', e.altKey], ['ANY_MOD', true] ]); let preventFocus = false; for (const [modifier, keys] of ignoreKeys.entries()) { const modifierActive = activeModifierMap.get(modifier); if (key === modifier || (modifierActive && keys.has(key))) { preventFocus = true; break; } } if (!super.onKeyDown(e) && !preventFocus && document.activeElement !== this.query) { this.query.focus({preventScroll: true}); } } onCopy() { // ignore copy from search page this.clipboardMonitor.setPreviousText(document.getSelection().toString().trim()); } onExternalSearchUpdate({text}) { this.setQuery(text); const url = new URL(window.location.href); url.searchParams.set('query', text); window.history.pushState(null, '', url.toString()); this.onSearchQueryUpdated(this.query.value, true); } async onSearchQueryUpdated(query, animate) { try { const details = {}; const match = /^([*\uff0a]*)([\w\W]*?)([*\uff0a]*)$/.exec(query); if (match !== null) { if (match[1]) { details.wildcard = 'prefix'; } else if (match[3]) { details.wildcard = 'suffix'; } query = match[2]; } const valid = (query.length > 0); this.setIntroVisible(!valid, animate); this.updateSearchButton(); if (valid) { const {definitions} = await apiTermsFind(query, details, this.optionsContext); this.setContent('terms', {definitions, context: { focus: false, disableHistory: true, sentence: {text: query, offset: 0}, url: window.location.href }}); } else { this.container.textContent = ''; } this.setTitleText(query); window.parent.postMessage('popupClose', '*'); } catch (e) { this.onError(e); } } onWanakanaEnableChange(e) { const enableWanakana = e.target.checked; if (enableWanakana) { window.wanakana.bind(this.query); } else { window.wanakana.unbind(this.query); } apiOptionsSet({general: {enableWanakana}}, this.getOptionsContext()); } onClipboardMonitorEnableChange(e) { if (e.target.checked) { chrome.permissions.request( {permissions: ['clipboardRead']}, (granted) => { if (granted) { this.clipboardMonitor.start(); apiOptionsSet({general: {enableClipboardMonitor: true}}, this.getOptionsContext()); } else { e.target.checked = false; } } ); } else { this.clipboardMonitor.stop(); apiOptionsSet({general: {enableClipboardMonitor: false}}, this.getOptionsContext()); } } async updateOptions() { await super.updateOptions(); this.queryParser.setOptions(this.options); const query = this.query.value; if (query) { this.setQuery(query); this.onSearchQueryUpdated(query, false); } } isWanakanaEnabled() { return this.wanakanaEnable !== null && this.wanakanaEnable.checked; } setQuery(query) { const interpretedQuery = this.isWanakanaEnabled() ? window.wanakana.toKana(query) : query; this.query.value = interpretedQuery; this.queryParser.setText(interpretedQuery); } setIntroVisible(visible, animate) { if (this.introVisible === visible) { return; } this.introVisible = visible; if (this.intro === null) { return; } if (this.introAnimationTimer !== null) { clearTimeout(this.introAnimationTimer); this.introAnimationTimer = null; } if (visible) { this.showIntro(animate); } else { this.hideIntro(animate); } } showIntro(animate) { if (animate) { const duration = 0.4; this.intro.style.transition = ''; this.intro.style.height = ''; const size = this.intro.getBoundingClientRect(); this.intro.style.height = '0px'; this.intro.style.transition = `height ${duration}s ease-in-out 0s`; window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation this.intro.style.height = `${size.height}px`; this.introAnimationTimer = setTimeout(() => { this.intro.style.height = ''; this.introAnimationTimer = null; }, duration * 1000); } else { this.intro.style.transition = ''; this.intro.style.height = ''; } } hideIntro(animate) { if (animate) { const duration = 0.4; const size = this.intro.getBoundingClientRect(); this.intro.style.height = `${size.height}px`; this.intro.style.transition = `height ${duration}s ease-in-out 0s`; window.getComputedStyle(this.intro).getPropertyValue('height'); // Commits height so next line can start animation } else { this.intro.style.transition = ''; } this.intro.style.height = '0'; } updateSearchButton() { this.search.disabled = this.introVisible && (this.query === null || this.query.value.length === 0); } setTitleText(text) { // Chrome limits title to 1024 characters if (text.length > 1000) { text = text.substring(0, 1000) + '...'; } if (text.length === 0) { document.title = 'Yomichan Search'; } else { document.title = `${text} - Yomichan Search`; } } } DisplaySearch.instance = DisplaySearch.create();