/* * Copyright (C) 2017-2021 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 * AnkiNoteBuilder * AudioSystem * DisplayGenerator * DisplayHistory * DisplayNotification * DocumentUtil * FrameEndpoint * Frontend * MediaLoader * PopupFactory * QueryParser * TemplateRendererProxy * TextScanner * WindowScroll * api * dynamicLoader */ class Display extends EventDispatcher { constructor(pageType, japaneseUtil, documentFocusController) { super(); this._pageType = pageType; this._japaneseUtil = japaneseUtil; this._documentFocusController = documentFocusController; this._container = document.querySelector('#definitions'); this._definitions = []; this._optionsContext = {depth: 0, url: window.location.href}; this._options = null; this._index = 0; this._audioPlaying = null; this._audioFallback = null; this._audioSystem = new AudioSystem({ getAudioInfo: this._getAudioInfo.bind(this) }); this._styleNode = null; this._eventListeners = new EventListenerCollection(); this._setContentToken = null; this._autoPlayAudioTimer = null; this._autoPlayAudioDelay = 400; this._mediaLoader = new MediaLoader(); this._displayGenerator = new DisplayGenerator({ japaneseUtil, mediaLoader: this._mediaLoader }); this._hotkeys = new Map(); this._actions = new Map(); this._messageHandlers = new Map(); this._directMessageHandlers = new Map(); this._windowMessageHandlers = new Map(); this._history = new DisplayHistory({clearable: true, useBrowserHistory: false}); this._historyChangeIgnore = false; this._historyHasChanged = false; this._navigationHeader = document.querySelector('#navigation-header'); this._contentType = 'clear'; this._defaultTitle = document.title; this._titleMaxLength = 1000; this._query = ''; this._rawQuery = ''; this._fullQuery = ''; this._documentUtil = new DocumentUtil(); this._progressIndicator = document.querySelector('#progress-indicator'); this._progressIndicatorTimer = null; this._progressIndicatorVisible = new DynamicProperty(false); this._queryParserVisible = false; this._queryParserVisibleOverride = null; this._queryParserContainer = document.querySelector('#query-parser-container'); this._queryParser = new QueryParser({ getOptionsContext: this.getOptionsContext.bind(this), documentUtil: this._documentUtil }); this._mode = null; this._defaultAnkiFieldTemplates = null; this._defaultAnkiFieldTemplatesPromise = null; this._templateRenderer = new TemplateRendererProxy(); this._ankiNoteBuilder = new AnkiNoteBuilder({ renderTemplate: this._renderTemplate.bind(this) }); this._updateAdderButtonsPromise = Promise.resolve(); this._contentScrollElement = document.querySelector('#content-scroll'); this._contentScrollBodyElement = document.querySelector('#content-body'); this._windowScroll = new WindowScroll(this._contentScrollElement); this._contentSidebar = document.querySelector('#content-sidebar'); this._closeButton = document.querySelector('#close-button'); this._navigationPreviousButton = document.querySelector('#navigate-previous-button'); this._navigationNextButton = document.querySelector('#navigate-next-button'); this._frontend = null; this._frontendSetupPromise = null; this._depth = 0; this._parentPopupId = null; this._parentFrameId = null; this._ownerFrameId = null; this._childrenSupported = true; this._frameEndpoint = (pageType === 'popup' ? new FrameEndpoint() : null); this._browser = null; this._copyTextarea = null; this._definitionTextScanner = null; this._frameResizeToken = null; this._frameResizeHandle = document.querySelector('#frame-resizer-handle'); this._frameResizeStartSize = null; this._frameResizeStartOffset = null; this._frameResizeEventListeners = new EventListenerCollection(); this._tagNotification = null; this._tagNotificationContainer = document.querySelector('#content-footer'); this.registerActions([ ['close', () => { this.onEscape(); }], ['nextEntry', () => { this._focusEntry(this._index + 1, true); }], ['nextEntry3', () => { this._focusEntry(this._index + 3, true); }], ['previousEntry', () => { this._focusEntry(this._index - 1, true); }], ['previousEntry3', () => { this._focusEntry(this._index - 3, true); }], ['lastEntry', () => { this._focusEntry(this._definitions.length - 1, true); }], ['firstEntry', () => { this._focusEntry(0, true); }], ['historyBackward', () => { this._sourceTermView(); }], ['historyForward', () => { this._nextTermView(); }], ['addNoteKanji', () => { this._noteTryAdd('kanji'); }], ['addNoteTermKanji', () => { this._noteTryAdd('term-kanji'); }], ['addNoteTermKana', () => { this._noteTryAdd('term-kana'); }], ['viewNote', () => { this._noteTryView(); }], ['playAudio', () => { this._playAudioCurrent(); }], ['copyHostSelection', () => this._copyHostSelection()] ]); this.registerHotkeys([ {key: 'Escape', modifiers: [], action: 'close'}, {key: 'PageUp', modifiers: ['alt'], action: 'previousEntry3'}, {key: 'PageDown', modifiers: ['alt'], action: 'nextEntry3'}, {key: 'End', modifiers: ['alt'], action: 'lastEntry'}, {key: 'Home', modifiers: ['alt'], action: 'firstEntry'}, {key: 'ArrowUp', modifiers: ['alt'], action: 'previousEntry'}, {key: 'ArrowDown', modifiers: ['alt'], action: 'nextEntry'}, {key: 'B', modifiers: ['alt'], action: 'historyBackward'}, {key: 'F', modifiers: ['alt'], action: 'historyForward'}, {key: 'K', modifiers: ['alt'], action: 'addNoteKanji'}, {key: 'E', modifiers: ['alt'], action: 'addNoteTermKanji'}, {key: 'R', modifiers: ['alt'], action: 'addNoteTermKana'}, {key: 'P', modifiers: ['alt'], action: 'playAudio'}, {key: 'V', modifiers: ['alt'], action: 'viewNote'}, {key: 'C', modifiers: ['ctrl'], action: 'copyHostSelection'} ]); this.registerMessageHandlers([ ['setMode', {async: false, handler: this._onMessageSetMode.bind(this)}] ]); this.registerDirectMessageHandlers([ ['setOptionsContext', {async: false, handler: this._onMessageSetOptionsContext.bind(this)}], ['setContent', {async: false, handler: this._onMessageSetContent.bind(this)}], ['clearAutoPlayTimer', {async: false, handler: this._onMessageClearAutoPlayTimer.bind(this)}], ['setCustomCss', {async: false, handler: this._onMessageSetCustomCss.bind(this)}], ['setContentScale', {async: false, handler: this._onMessageSetContentScale.bind(this)}], ['configure', {async: true, handler: this._onMessageConfigure.bind(this)}] ]); this.registerWindowMessageHandlers([ ['extensionUnloaded', {async: false, handler: this._onMessageExtensionUnloaded.bind(this)}] ]); } get displayGenerator() { return this._displayGenerator; } get autoPlayAudioDelay() { return this._autoPlayAudioDelay; } set autoPlayAudioDelay(value) { this._autoPlayAudioDelay = value; } get queryParserVisible() { return this._queryParserVisible; } set queryParserVisible(value) { this._queryParserVisible = value; this._updateQueryParser(); } get mode() { return this._mode; } get japaneseUtil() { return this._japaneseUtil; } async prepare() { // State setup const {documentElement} = document; this._updateMode(); const {browser} = await api.getEnvironmentInfo(); this._browser = browser; // Prepare await this._displayGenerator.prepare(); this._audioSystem.prepare(); this._queryParser.prepare(); this._history.prepare(); // Event setup this._history.on('stateChanged', this._onStateChanged.bind(this)); this._queryParser.on('searched', this._onQueryParserSearch.bind(this)); this._progressIndicatorVisible.on('change', this._onProgressIndicatorVisibleChanged.bind(this)); yomichan.on('extensionUnloaded', this._onExtensionUnloaded.bind(this)); chrome.runtime.onMessage.addListener(this._onMessage.bind(this)); api.crossFrame.registerHandlers([ ['popupMessage', {async: 'dynamic', handler: this._onDirectMessage.bind(this)}] ]); window.addEventListener('message', this._onWindowMessage.bind(this), false); if (this._pageType === 'popup' && documentElement !== null) { documentElement.addEventListener('mouseup', this._onDocumentElementMouseUp.bind(this), false); documentElement.addEventListener('click', this._onDocumentElementClick.bind(this), false); documentElement.addEventListener('auxclick', this._onDocumentElementClick.bind(this), false); } document.addEventListener('keydown', this.onKeyDown.bind(this), false); document.addEventListener('wheel', this._onWheel.bind(this), {passive: false}); if (this._closeButton !== null) { this._closeButton.addEventListener('click', this._onCloseButtonClick.bind(this), false); } if (this._navigationPreviousButton !== null) { this._navigationPreviousButton.addEventListener('click', this._onSourceTermView.bind(this), false); } if (this._navigationNextButton !== null) { this._navigationNextButton.addEventListener('click', this._onNextTermView.bind(this), false); } if (this._frameResizeHandle !== null) { this._frameResizeHandle.addEventListener('mousedown', this._onFrameResizerMouseDown.bind(this), false); } } initializeState() { this._onStateChanged(); if (this._frameEndpoint !== null) { this._frameEndpoint.signal(); } } setHistorySettings({clearable, useBrowserHistory}) { if (typeof clearable !== 'undefined') { this._history.clearable = clearable; } if (typeof useBrowserHistory !== 'undefined') { this._history.useBrowserHistory = useBrowserHistory; } } onError(error) { if (yomichan.isExtensionUnloaded) { return; } yomichan.logError(error); } onEscape() { if (this._pageType === 'popup') { this.close(); } } onKeyDown(e) { const key = DocumentUtil.getKeyFromEvent(e); const handlers = this._hotkeys.get(key); if (typeof handlers === 'undefined') { return false; } const eventModifiers = DocumentUtil.getActiveModifiers(e); for (const {modifiers, action} of handlers) { if (!this._areSame(modifiers, eventModifiers)) { continue; } const actionHandler = this._actions.get(action); if (typeof actionHandler === 'undefined') { continue; } const result = actionHandler(e); if (result !== false) { e.preventDefault(); return true; } } return false; } getOptions() { return this._options; } getOptionsContext() { return this._optionsContext; } async setOptionsContext(optionsContext) { this._optionsContext = optionsContext; await this.updateOptions(); } async updateOptions() { const options = await api.optionsGet(this.getOptionsContext()); const scanning = options.scanning; this._options = options; this._updateDocumentOptions(options); this._updateTheme(options.general.popupTheme); this.setCustomCss(options.general.customPopupCss); this._queryParser.setOptions({ selectedParser: options.parsing.selectedParser, termSpacing: options.parsing.termSpacing, scanning: { inputs: scanning.inputs, deepContentScan: scanning.deepDomScan, selectText: scanning.selectText, delay: scanning.delay, touchInputEnabled: scanning.touchInputEnabled, pointerEventsEnabled: scanning.pointerEventsEnabled, scanLength: scanning.length, sentenceExtent: options.anki.sentenceExt, layoutAwareScan: scanning.layoutAwareScan, preventMiddleMouse: scanning.preventMiddleMouse.onSearchQuery } }); this._updateNestedFrontend(options); this._updateDefinitionTextScanner(options); } autoPlayAudio() { this.clearAutoPlayTimer(); if (this._definitions.length === 0) { return; } const callback = () => this._playAudio(0, 0); if (this._autoPlayAudioDelay > 0) { this._autoPlayAudioTimer = setTimeout(callback, this._autoPlayAudioDelay); } else { callback(); } } clearAutoPlayTimer() { if (this._autoPlayAudioTimer !== null) { clearTimeout(this._autoPlayAudioTimer); this._autoPlayAudioTimer = null; } } setContent(details) { const {focus, history, params, state, content} = details; if (focus) { window.focus(); } const urlSearchParams = new URLSearchParams(); for (const [key, value] of Object.entries(params)) { urlSearchParams.append(key, value); } const url = `${location.protocol}//${location.host}${location.pathname}?${urlSearchParams.toString()}`; if (history && this._historyHasChanged) { this._updateHistoryState(); this._history.pushState(state, content, url); } else { this._history.clear(); this._history.replaceState(state, content, url); } } setCustomCss(css) { if (this._styleNode === null) { if (css.length === 0) { return; } this._styleNode = document.createElement('style'); } this._styleNode.textContent = css; const parent = document.head; if (this._styleNode.parentNode !== parent) { parent.appendChild(this._styleNode); } } async getDocumentTitle() { if (this._pageType === 'popup') { return await this._getRootFrameDocumentTitle(); } return document.title; } registerActions(actions) { for (const [name, handler] of actions) { this._actions.set(name, handler); } } registerHotkeys(hotkeys) { for (const {key, modifiers, action} of hotkeys) { let handlers = this._hotkeys.get(key); if (typeof handlers === 'undefined') { handlers = []; this._hotkeys.set(key, handlers); } handlers.push({modifiers: new Set(modifiers), action}); } } registerMessageHandlers(handlers) { for (const [name, handlerInfo] of handlers) { this._messageHandlers.set(name, handlerInfo); } } registerDirectMessageHandlers(handlers) { for (const [name, handlerInfo] of handlers) { this._directMessageHandlers.set(name, handlerInfo); } } registerWindowMessageHandlers(handlers) { for (const [name, handlerInfo] of handlers) { this._windowMessageHandlers.set(name, handlerInfo); } } authenticateMessageData(data) { if (this._frameEndpoint === null) { return data; } if (!this._frameEndpoint.authenticate(data)) { throw new Error('Invalid authentication'); } return data.data; } postProcessQuery(query) { return query; } close() { if (this._pageType === 'popup') { this._invokeOwner('closePopup'); } } blurElement(element) { this._documentFocusController.blurElement(element); } searchLast() { const type = this._contentType; if (type === 'clear') { return; } const query = this._rawQuery; const state = ( this._historyHasState() ? clone(this._history.state) : { focusEntry: 0, sentence: {text: query, offset: 0}, url: window.location.href } ); const details = { focus: false, history: false, params: this._createSearchParams(type, query, false), state, content: { definitions: null } }; this.setContent(details); } // Message handlers _onMessage({action, params}, sender, callback) { const messageHandler = this._messageHandlers.get(action); if (typeof messageHandler === 'undefined') { return false; } return yomichan.invokeMessageHandler(messageHandler, params, callback, sender); } _onDirectMessage(data) { data = this.authenticateMessageData(data); const {action, params} = data; const handlerInfo = this._directMessageHandlers.get(action); if (typeof handlerInfo === 'undefined') { throw new Error(`Invalid action: ${action}`); } const {async, handler} = handlerInfo; const result = handler(params); return {async, result}; } _onWindowMessage({data}) { try { data = this.authenticateMessageData(data); } catch (e) { return; } const {action, params} = data; const messageHandler = this._windowMessageHandlers.get(action); if (typeof messageHandler === 'undefined') { return; } const callback = () => {}; // NOP yomichan.invokeMessageHandler(messageHandler, params, callback); } _onMessageSetMode({mode}) { this._setMode(mode, true); } _onMessageSetOptionsContext({optionsContext}) { this.setOptionsContext(optionsContext); this.searchLast(); } _onMessageSetContent({details}) { this.setContent(details); } _onMessageClearAutoPlayTimer() { this.clearAutoPlayTimer(); } _onMessageSetCustomCss({css}) { this.setCustomCss(css); } _onMessageSetContentScale({scale}) { this._setContentScale(scale); } async _onMessageConfigure({depth, parentPopupId, parentFrameId, ownerFrameId, childrenSupported, scale, optionsContext}) { this._depth = depth; this._parentPopupId = parentPopupId; this._parentFrameId = parentFrameId; this._ownerFrameId = ownerFrameId; this._childrenSupported = childrenSupported; this._setContentScale(scale); await this.setOptionsContext(optionsContext); } _onMessageExtensionUnloaded() { if (yomichan.isExtensionUnloaded) { return; } yomichan.triggerExtensionUnloaded(); } // Private async _onStateChanged() { if (this._historyChangeIgnore) { return; } const token = {}; // Unique identifier token this._setContentToken = token; try { // Clear this._closePopups(); this._eventListeners.removeAllEventListeners(); this._mediaLoader.unloadAll(); this._hideTagNotification(false); // Prepare const urlSearchParams = new URLSearchParams(location.search); let type = urlSearchParams.get('type'); if (type === null) { type = 'terms'; } const fullVisible = urlSearchParams.get('full-visible'); this._queryParserVisibleOverride = (fullVisible === null ? null : (fullVisible !== 'false')); this._updateQueryParser(); let clear = true; this._historyHasChanged = true; this._contentType = type; this._query = ''; this._rawQuery = ''; const eventArgs = {type, urlSearchParams, token}; // Set content switch (type) { case 'terms': case 'kanji': { let query = urlSearchParams.get('query'); if (!query) { break; } this._query = query; clear = false; const isTerms = (type === 'terms'); query = this.postProcessQuery(query); this._rawQuery = query; let queryFull = urlSearchParams.get('full'); queryFull = (queryFull !== null ? this.postProcessQuery(queryFull) : query); const wildcardsEnabled = (urlSearchParams.get('wildcards') !== 'off'); await this._setContentTermsOrKanji(token, isTerms, query, queryFull, wildcardsEnabled, eventArgs); } break; case 'unloaded': { clear = false; const {content} = this._history; eventArgs.content = content; this.trigger('contentUpdating', eventArgs); this._setContentExtensionUnloaded(); } break; } // Clear if (clear) { type = 'clear'; this._contentType = type; const {content} = this._history; eventArgs.type = type; eventArgs.content = content; this.trigger('contentUpdating', eventArgs); this._clearContent(); } const stale = (this._setContentToken !== token); eventArgs.stale = stale; this.trigger('contentUpdated', eventArgs); } catch (e) { this.onError(e); } } _onQueryParserSearch({type, definitions, sentence, inputInfo: {cause}, textSource, optionsContext}) { const query = textSource.text(); const historyState = this._history.state; const history = ( cause === 'click' || !isObject(historyState) || historyState.cause !== 'queryParser' ); const details = { focus: false, history, params: this._createSearchParams(type, query, false), state: { sentence, optionsContext, cause: 'queryParser' }, content: { definitions } }; this.setContent(details); } _onExtensionUnloaded() { const type = 'unloaded'; if (this._contentType === type) { return; } const details = { focus: false, history: false, params: {type}, state: {}, content: {} }; this.setContent(details); } _onCloseButtonClick(e) { e.preventDefault(); this.close(); } _onSourceTermView(e) { e.preventDefault(); this._sourceTermView(); } _onNextTermView(e) { e.preventDefault(); this._nextTermView(); } _onProgressIndicatorVisibleChanged({value}) { if (this._progressIndicatorTimer !== null) { clearTimeout(this._progressIndicatorTimer); this._progressIndicatorTimer = null; } if (value) { this._progressIndicator.hidden = false; getComputedStyle(this._progressIndicator).getPropertyValue('display'); // Force update of CSS display property, allowing animation this._progressIndicator.dataset.active = 'true'; } else { this._progressIndicator.dataset.active = 'false'; this._progressIndicatorTimer = setTimeout(() => { this._progressIndicator.hidden = true; this._progressIndicatorTimer = null; }, 250); } } async _onKanjiLookup(e) { try { e.preventDefault(); if (!this._historyHasState()) { return; } const {state: {sentence}} = this._history; const optionsContext = this.getOptionsContext(); const query = e.currentTarget.textContent; const definitions = await api.kanjiFind(query, optionsContext); const details = { focus: false, history: true, params: this._createSearchParams('kanji', query, false), state: { focusEntry: 0, sentence, optionsContext }, content: { definitions } }; this.setContent(details); } catch (error) { this.onError(error); } } _onAudioPlay(e) { e.preventDefault(); const link = e.currentTarget; const definitionIndex = this._getClosestDefinitionIndex(link); if (definitionIndex < 0) { return; } const expressionIndex = Math.max(0, this._getClosestExpressionIndex(link)); this._playAudio(definitionIndex, expressionIndex); } _onNoteAdd(e) { e.preventDefault(); const link = e.currentTarget; const index = this._getClosestDefinitionIndex(link); if (index < 0 || index >= this._definitions.length) { return; } this._noteAdd(this._definitions[index], link.dataset.mode); } _onNoteView(e) { e.preventDefault(); const link = e.currentTarget; api.noteView(link.dataset.noteId); } _onWheel(e) { if (e.altKey) { if (e.deltaY !== 0) { this._focusEntry(this._index + (e.deltaY > 0 ? 1 : -1), true); e.preventDefault(); } } else if (e.shiftKey) { this._onHistoryWheel(e); } } _onHistoryWheel(e) { if (e.altKey) { return; } const delta = -e.deltaX || e.deltaY; if (delta > 0) { this._sourceTermView(); e.preventDefault(); e.stopPropagation(); } else if (delta < 0) { this._nextTermView(); e.preventDefault(); e.stopPropagation(); } } _onDebugLogClick(e) { const link = e.currentTarget; const index = this._getClosestDefinitionIndex(link); if (index < 0 || index >= this._definitions.length) { return; } const definition = this._definitions[index]; console.log(definition); } _onDocumentElementMouseUp(e) { switch (e.button) { case 3: // Back if (this._history.hasPrevious()) { e.preventDefault(); } break; case 4: // Forward if (this._history.hasNext()) { e.preventDefault(); } break; } } _onDocumentElementClick(e) { switch (e.button) { case 3: // Back if (this._history.hasPrevious()) { e.preventDefault(); this._history.back(); } break; case 4: // Forward if (this._history.hasNext()) { e.preventDefault(); this._history.forward(); } break; } } _onEntryClick(e) { if (e.button !== 0) { return; } const node = e.currentTarget; const index = parseInt(node.dataset.index, 10); if (!Number.isFinite(index)) { return; } this._entrySetCurrent(index); } _onTagClick(e) { const node = e.currentTarget; const {dataset: {details}} = node; this._showTagNotification(details); } _showTagNotification(content) { if (this._tagNotification === null) { const node = this._displayGenerator.createEmptyFooterNotification(); node.classList.add('click-scannable'); this._tagNotification = new DisplayNotification(this._tagNotificationContainer, node); } this._tagNotification.setContent(content); this._tagNotification.open(); } _hideTagNotification(animate) { if (this._tagNotification === null) { return; } this._tagNotification.close(animate); } _updateDocumentOptions(options) { const data = document.documentElement.dataset; data.ankiEnabled = `${options.anki.enable}`; data.audioEnabled = `${options.audio.enabled && options.audio.sources.length > 0}`; data.glossaryLayoutMode = `${options.general.glossaryLayoutMode}`; data.compactTags = `${options.general.compactTags}`; data.enableSearchTags = `${options.scanning.enableSearchTags}`; data.showPitchAccentDownstepNotation = `${options.general.showPitchAccentDownstepNotation}`; data.showPitchAccentPositionNotation = `${options.general.showPitchAccentPositionNotation}`; data.showPitchAccentGraph = `${options.general.showPitchAccentGraph}`; data.debug = `${options.general.debugInfo}`; data.popupDisplayMode = `${options.general.popupDisplayMode}`; data.popupCurrentIndicatorMode = `${options.general.popupCurrentIndicatorMode}`; data.popupActionBarVisibility = `${options.general.popupActionBarVisibility}`; data.popupActionBarLocation = `${options.general.popupActionBarLocation}`; } _updateTheme(themeName) { document.documentElement.dataset.theme = themeName; } async _findDefinitions(isTerms, source, wildcardsEnabled, optionsContext) { if (isTerms) { const findDetails = {}; if (wildcardsEnabled) { const match = /^([*\uff0a]*)([\w\W]*?)([*\uff0a]*)$/.exec(source); if (match !== null) { if (match[1]) { findDetails.wildcard = 'prefix'; } else if (match[3]) { findDetails.wildcard = 'suffix'; } source = match[2]; } } const {definitions} = await api.termsFind(source, findDetails, optionsContext); return definitions; } else { const definitions = await api.kanjiFind(source, optionsContext); return definitions; } } async _setContentTermsOrKanji(token, isTerms, query, queryFull, wildcardsEnabled, eventArgs) { let {state, content} = this._history; let changeHistory = false; if (!isObject(content)) { content = {}; changeHistory = true; } if (!isObject(state)) { state = {}; changeHistory = true; } let {sentence=null, optionsContext=null, focusEntry=null, scrollX=null, scrollY=null} = state; if (typeof focusEntry !== 'number') { focusEntry = 0; } if (!(typeof optionsContext === 'object' && optionsContext !== null)) { optionsContext = this.getOptionsContext(); state.optionsContext = optionsContext; changeHistory = true; } let {url} = optionsContext; if (typeof url !== 'string') { url = window.location.href; } sentence = this._getValidSentenceData(sentence); this._setFullQuery(queryFull); this._setTitleText(query); let {definitions} = content; if (!Array.isArray(definitions)) { definitions = await this._findDefinitions(isTerms, query, wildcardsEnabled, optionsContext); if (this._setContentToken !== token) { return; } content.definitions = definitions; changeHistory = true; } await this._setOptionsContextIfDifferent(optionsContext); if (this._setContentToken !== token) { return; } if (this._options === null) { await this.updateOptions(); if (this._setContentToken !== token) { return; } } if (changeHistory) { this._replaceHistoryStateNoNavigate(state, content); } eventArgs.source = query; eventArgs.content = content; this.trigger('contentUpdating', eventArgs); this._definitions = definitions; for (const definition of definitions) { definition.cloze = this._clozeBuild(sentence, isTerms ? definition.rawSource : definition.character); definition.url = url; } this._updateNavigation(this._history.hasPrevious(), this._history.hasNext()); this._setNoContentVisible(definitions.length === 0); const container = this._container; container.textContent = ''; for (let i = 0, ii = definitions.length; i < ii; ++i) { if (i > 0) { await promiseTimeout(1); if (this._setContentToken !== token) { return; } } const definition = definitions[i]; const entry = ( isTerms ? this._displayGenerator.createTermEntry(definition) : this._displayGenerator.createKanjiEntry(definition) ); entry.dataset.index = `${i}`; this._addEntryEventListeners(entry); container.appendChild(entry); if (focusEntry === i) { this._focusEntry(i, false); } } if (typeof scrollX === 'number' || typeof scrollY === 'number') { let {x, y} = this._windowScroll; if (typeof scrollX === 'number') { x = scrollX; } if (typeof scrollY === 'number') { y = scrollY; } this._windowScroll.stop(); this._windowScroll.to(x, y); } if ( isTerms && this._options.audio.enabled && this._options.audio.autoPlay ) { this.autoPlayAudio(); } this._updateAdderButtons(token, isTerms, definitions); } _setContentExtensionUnloaded() { const errorExtensionUnloaded = document.querySelector('#error-extension-unloaded'); if (this._container !== null) { this._container.hidden = true; } if (errorExtensionUnloaded !== null) { errorExtensionUnloaded.hidden = false; } this._updateNavigation(false, false); this._setNoContentVisible(false); this._setTitleText(''); this._setFullQuery(''); } _clearContent() { this._container.textContent = ''; this._setTitleText(''); this._setFullQuery(''); } _setNoContentVisible(visible) { const noResults = document.querySelector('#no-results'); if (noResults !== null) { noResults.hidden = !visible; } } _setFullQuery(text) { this._fullQuery = text; this._updateQueryParser(); } _updateQueryParser() { const text = this._fullQuery; const visible = this._isQueryParserVisible(); this._queryParserContainer.hidden = !visible || text.length === 0; if (visible && this._queryParser.text !== text) { this._setQueryParserText(text); } } async _setQueryParserText(text) { const overrideToken = this._progressIndicatorVisible.setOverride(true); try { await this._queryParser.setText(text); } finally { this._progressIndicatorVisible.clearOverride(overrideToken); } } _setTitleText(text) { let title = this._defaultTitle; if (text.length > 0) { // Chrome limits title to 1024 characters const ellipsis = '...'; const separator = ' - '; const maxLength = this._titleMaxLength - title.length - separator.length; if (text.length > maxLength) { text = `${text.substring(0, Math.max(0, maxLength - ellipsis.length))}${ellipsis}`; } title = `${text}${separator}${title}`; } document.title = title; } _updateNavigation(previous, next) { if (this._contentSidebar !== null) { this._contentSidebar.dataset.hasNavigationPrevious = `${previous}`; this._contentSidebar.dataset.hasNavigationNext = `${next}`; } if (this._navigationPreviousButton !== null) { this._navigationPreviousButton.disabled = !previous; } if (this._navigationNextButton !== null) { this._navigationNextButton.disabled = !next; } } async _updateAdderButtons(token, isTerms, definitions) { await this._updateAdderButtonsPromise; if (this._setContentToken !== token) { return; } const {promise, resolve} = deferPromise(); try { this._updateAdderButtonsPromise = promise; const modes = isTerms ? ['term-kanji', 'term-kana'] : ['kanji']; let states; try { if (this._options.anki.checkForDuplicates) { const noteContext = await this._getNoteContext(); states = await this._areDefinitionsAddable(definitions, modes, noteContext); } else { if (!await api.isAnkiConnected()) { throw new Error('Anki not connected'); } states = this._areDefinitionsAddableForcedValue(definitions, modes, true); } } catch (e) { return; } if (this._setContentToken !== token) { return; } this._updateAdderButtons2(states, modes); } finally { resolve(); } } _updateAdderButtons2(states, modes) { for (let i = 0, ii = states.length; i < ii; ++i) { const infos = states[i]; let noteId = null; for (let j = 0, jj = infos.length; j < jj; ++j) { const {canAdd, noteIds} = infos[j]; const mode = modes[j]; const button = this._adderButtonFind(i, mode); if (button === null) { continue; } if (Array.isArray(noteIds) && noteIds.length > 0) { noteId = noteIds[0]; } button.disabled = !canAdd; button.hidden = false; } if (noteId !== null) { this._viewerButtonShow(i, noteId); } } } _entrySetCurrent(index) { const entryPre = this._getEntry(this._index); if (entryPre !== null) { entryPre.classList.remove('entry-current'); } const entry = this._getEntry(index); if (entry !== null) { entry.classList.add('entry-current'); } this._index = index; return entry; } _focusEntry(index, smooth) { index = Math.max(Math.min(index, this._definitions.length - 1), 0); const entry = this._entrySetCurrent(index); let target = index === 0 || entry === null ? 0 : this._getElementTop(entry); if (this._navigationHeader !== null) { target -= this._navigationHeader.getBoundingClientRect().height; } this._windowScroll.stop(); if (smooth) { this._windowScroll.animate(this._windowScroll.x, target, 200); } else { this._windowScroll.toY(target); } } _sourceTermView() { this._relativeTermView(false); } _nextTermView() { this._relativeTermView(true); } _relativeTermView(next) { if (next) { return this._history.hasNext() && this._history.forward(); } else { return this._history.hasPrevious() && this._history.back(); } } _noteTryAdd(mode) { const index = this._index; if (index < 0 || index >= this._definitions.length) { return; } const button = this._adderButtonFind(index, mode); if (button !== null && !button.disabled) { this._noteAdd(this._definitions[index], mode); } } _noteTryView() { const button = this._viewerButtonFind(this._index); if (button !== null && !button.disabled) { api.noteView(button.dataset.noteId); } } async _noteAdd(definition, mode) { const overrideToken = this._progressIndicatorVisible.setOverride(true); try { const noteContext = await this._getNoteContext(); const noteId = await this._addDefinition(definition, mode, noteContext); if (noteId) { const index = this._definitions.indexOf(definition); const adderButton = this._adderButtonFind(index, mode); if (adderButton !== null) { adderButton.disabled = true; } this._viewerButtonShow(index, noteId); } else { throw new Error('Note could not be added'); } } catch (e) { this.onError(e); } finally { this._progressIndicatorVisible.clearOverride(overrideToken); } } async _playAudio(definitionIndex, expressionIndex) { if (definitionIndex < 0 || definitionIndex >= this._definitions.length) { return; } const definition = this._definitions[definitionIndex]; if (definition.type === 'kanji') { return; } const {expressions} = definition; if (expressionIndex < 0 || expressionIndex >= expressions.length) { return; } const {expression, reading} = expressions[expressionIndex]; const overrideToken = this._progressIndicatorVisible.setOverride(true); try { this._stopPlayingAudio(); let audio, info; try { const {sources, textToSpeechVoice, customSourceUrl} = this._options.audio; let index; ({audio, index} = await this._audioSystem.createDefinitionAudio(sources, expression, reading, {textToSpeechVoice, customSourceUrl})); info = `From source ${1 + index}: ${sources[index]}`; } catch (e) { if (this._audioFallback === null) { this._audioFallback = new Audio('/mixed/mp3/button.mp3'); } audio = this._audioFallback; info = 'Could not find audio'; } const button = this._audioButtonFindImage(definitionIndex, expressionIndex); if (button !== null) { let titleDefault = button.dataset.titleDefault; if (!titleDefault) { titleDefault = button.title || ''; button.dataset.titleDefault = titleDefault; } button.title = `${titleDefault}\n${info}`; } this._stopPlayingAudio(); const volume = Math.max(0.0, Math.min(1.0, this._options.audio.volume / 100.0)); this._audioPlaying = audio; audio.currentTime = 0; audio.volume = Number.isFinite(volume) ? volume : 1.0; const playPromise = audio.play(); if (typeof playPromise !== 'undefined') { try { await playPromise; } catch (e2) { // NOP } } } catch (e) { this.onError(e); } finally { this._progressIndicatorVisible.clearOverride(overrideToken); } } async _playAudioCurrent() { return await this._playAudio(this._index, 0); } _stopPlayingAudio() { if (this._audioPlaying !== null) { this._audioPlaying.pause(); this._audioPlaying = null; } } _getEntry(index) { const entries = this._container.querySelectorAll('.entry'); return index >= 0 && index < entries.length ? entries[index] : null; } _getValidSentenceData(sentence) { let {text, offset} = (isObject(sentence) ? sentence : {}); if (typeof text !== 'string') { text = ''; } if (typeof offset !== 'number') { offset = 0; } return {text, offset}; } _clozeBuild({text, offset}, source) { return { sentence: text.trim(), prefix: text.substring(0, offset).trim(), body: text.substring(offset, offset + source.length), suffix: text.substring(offset + source.length).trim() }; } _getClosestDefinitionIndex(element) { return this._getClosestIndex(element, '.entry'); } _getClosestExpressionIndex(element) { return this._getClosestIndex(element, '.term-expression'); } _getClosestIndex(element, selector) { const node = element.closest(selector); if (node === null) { return -1; } const index = parseInt(node.dataset.index, 10); return Number.isFinite(index) ? index : -1; } _adderButtonFind(index, mode) { const entry = this._getEntry(index); return entry !== null ? entry.querySelector(`.action-add-note[data-mode="${mode}"]`) : null; } _viewerButtonFind(index) { const entry = this._getEntry(index); return entry !== null ? entry.querySelector('.action-view-note') : null; } _viewerButtonShow(index, noteId) { const viewerButton = this._viewerButtonFind(index); if (viewerButton === null) { return; } viewerButton.disabled = false; viewerButton.hidden = false; viewerButton.dataset.noteId = noteId; } _audioButtonFindImage(index, expressionIndex) { const entry = this._getEntry(index); if (entry === null) { return null; } const container = ( expressionIndex >= 0 ? entry.querySelector(`.term-expression:nth-of-type(${expressionIndex + 1})`) : entry ); return container !== null ? container.querySelector('.action-play-audio>img') : null; } _getElementTop(element) { const elementRect = element.getBoundingClientRect(); const documentRect = this._contentScrollBodyElement.getBoundingClientRect(); return elementRect.top - documentRect.top; } async _getNoteContext() { const documentTitle = await this.getDocumentTitle(); return { document: { title: documentTitle } }; } _historyHasState() { return isObject(this._history.state); } _updateHistoryState() { const {state, content} = this._history; if (!isObject(state)) { return; } state.focusEntry = this._index; state.scrollX = this._windowScroll.x; state.scrollY = this._windowScroll.y; this._replaceHistoryStateNoNavigate(state, content); } _replaceHistoryStateNoNavigate(state, content) { const historyChangeIgnorePre = this._historyChangeIgnore; try { this._historyChangeIgnore = true; this._history.replaceState(state, content); } finally { this._historyChangeIgnore = historyChangeIgnorePre; } } _createSearchParams(type, query, wildcards) { const params = {}; if (query.length < this._fullQuery.length) { params.full = this._fullQuery; } params.query = query; if (typeof type === 'string') { params.type = type; } if (!wildcards) { params.wildcards = 'off'; } if (this._queryParserVisibleOverride !== null) { params['full-visible'] = `${this._queryParserVisibleOverride}`; } return params; } _isQueryParserVisible() { return ( this._queryParserVisibleOverride !== null ? this._queryParserVisibleOverride : this._queryParserVisible ); } _closePopups() { yomichan.trigger('closePopups'); } _updateMode() { let mode = null; try { mode = sessionStorage.getItem('mode'); } catch (e) { // Browsers can throw a SecurityError when cookie blocking is enabled. } this._setMode(mode, false); } _setMode(mode, save) { if (mode === this._mode) { return; } if (save) { try { if (mode === null) { sessionStorage.removeItem('mode'); } else { sessionStorage.setItem('mode', mode); } } catch (e) { // Browsers can throw a SecurityError when cookie blocking is enabled. } } this._mode = mode; this.trigger('modeChange', {mode}); } async _getTemplates(options) { let templates = options.anki.fieldTemplates; if (typeof templates === 'string') { return templates; } templates = this._defaultAnkiFieldTemplates; if (typeof templates === 'string') { return templates; } return await this._getDefaultTemplatesPromise(); } _getDefaultTemplatesPromise() { if (this._defaultAnkiFieldTemplatesPromise === null) { this._defaultAnkiFieldTemplatesPromise = this._getDefaultTemplates(); this._defaultAnkiFieldTemplatesPromise.then( () => { this._defaultAnkiFieldTemplatesPromise = null; }, () => {} // NOP ); } return this._defaultAnkiFieldTemplatesPromise; } async _getDefaultTemplates() { const value = await api.getDefaultAnkiFieldTemplates(); this._defaultAnkiFieldTemplates = value; return value; } async _renderTemplate(template, data, marker) { return await this._templateRenderer.render(template, data, marker); } async _addDefinition(definition, mode, context) { const options = this._options; const templates = await this._getTemplates(options); const note = await this._createNote(definition, mode, context, options, templates, true); return await api.addAnkiNote(note); } async _areDefinitionsAddable(definitions, modes, context) { const options = this._options; const templates = await this._getTemplates(options); const modeCount = modes.length; const {duplicateScope} = options.anki; const notePromises = []; for (const definition of definitions) { for (const mode of modes) { const notePromise = this._createNote(definition, mode, context, options, templates, false); notePromises.push(notePromise); } } const notes = await Promise.all(notePromises); const infos = await api.getAnkiNoteInfo(notes, duplicateScope); const results = []; for (let i = 0, ii = infos.length; i < ii; i += modeCount) { results.push(infos.slice(i, i + modeCount)); } return results; } _areDefinitionsAddableForcedValue(definitions, modes, canAdd) { const results = []; const definitionCount = definitions.length; const modeCount = modes.length; for (let i = 0; i < definitionCount; ++i) { const modeArray = []; for (let j = 0; j < modeCount; ++j) { modeArray.push({canAdd, noteIds: null}); } results.push(modeArray); } return results; } async _createNote(definition, mode, context, options, templates, injectMedia) { const { general: {resultOutputMode, glossaryLayoutMode, compactTags}, anki: ankiOptions } = options; const {tags, checkForDuplicates, duplicateScope} = ankiOptions; const modeOptions = (mode === 'kanji') ? ankiOptions.kanji : ankiOptions.terms; const {deck: deckName, model: modelName} = modeOptions; const fields = Object.entries(modeOptions.fields); if (injectMedia) { await this._injectAnkiNoteMedia(definition, mode, options, fields); } return await this._ankiNoteBuilder.createNote({ definition, mode, context, templates, deckName, modelName, fields, tags, checkForDuplicates, duplicateScope, resultOutputMode, glossaryLayoutMode, compactTags }); } async _injectAnkiNoteMedia(definition, mode, options, fields) { const { anki: {screenshot: {format, quality}}, audio: {sources, customSourceUrl} } = options; const timestamp = Date.now(); const ownerFrameId = this._ownerFrameId; const definitionDetails = this._getDefinitionDetailsForNote(definition); const audioDetails = (mode !== 'kanji' && this._ankiNoteBuilder.containsMarker(fields, 'audio') ? {sources, customSourceUrl} : null); const screenshotDetails = (this._ankiNoteBuilder.containsMarker(fields, 'screenshot') ? {ownerFrameId, format, quality} : null); const clipboardDetails = { image: this._ankiNoteBuilder.containsMarker(fields, 'clipboard-image'), text: this._ankiNoteBuilder.containsMarker(fields, 'clipboard-text') }; const {screenshotFileName, clipboardImageFileName, clipboardText, audioFileName} = await api.injectAnkiNoteMedia( timestamp, definitionDetails, audioDetails, screenshotDetails, clipboardDetails ); if (screenshotFileName !== null) { definition.screenshotFileName = screenshotFileName; } if (clipboardImageFileName !== null) { definition.clipboardImageFileName = clipboardImageFileName; } if (audioFileName !== null) { definition.audioFileName = audioFileName; } if (clipboardText !== null) { definition.clipboardText = clipboardText; } } _getDefinitionDetailsForNote(definition) { const {type} = definition; if (type === 'kanji') { const {character} = definition; return {type, character}; } const termDetailsList = definition.expressions; let bestIndex = -1; for (let i = 0, ii = termDetailsList.length; i < ii; ++i) { const {sourceTerm, expression, reading} = termDetailsList[i]; if (expression === sourceTerm) { bestIndex = i; break; } else if (reading === sourceTerm && bestIndex < 0) { bestIndex = i; } } const {expression, reading} = termDetailsList[Math.max(0, bestIndex)]; return {type, expression, reading}; } async _getAudioInfo(source, expression, reading, details) { return await api.getDefinitionAudioInfo(source, expression, reading, details); } _areSame(set, array) { if (set.size !== array.length) { return false; } for (const value of array) { if (!set.has(value)) { return false; } } return true; } async _setOptionsContextIfDifferent(optionsContext) { if (deepEqual(this._optionsContext, optionsContext)) { return; } await this.setOptionsContext(optionsContext); } _setContentScale(scale) { const body = document.body; if (body === null) { return; } body.style.fontSize = `${scale}em`; } async _updateNestedFrontend(options) { const isSearchPage = (this._pageType === 'search'); const isEnabled = this._childrenSupported && ( (isSearchPage) ? (options.scanning.enableOnSearchPage) : (this._depth < options.scanning.popupNestingMaxDepth) ); if (this._frontend === null) { if (!isEnabled) { return; } try { if (this._frontendSetupPromise === null) { this._frontendSetupPromise = this._setupNestedFrontend(); } await this._frontendSetupPromise; } catch (e) { yomichan.logError(e); return; } finally { this._frontendSetupPromise = null; } } this._frontend.setDisabledOverride(!isEnabled); } async _setupNestedFrontend() { const setupNestedPopupsOptions = { useProxyPopup: this._parentFrameId !== null, parentPopupId: this._parentPopupId, parentFrameId: this._parentFrameId }; const {frameId} = await api.frameInformationGet(); await dynamicLoader.loadScripts([ '/mixed/js/text-scanner.js', '/mixed/js/frame-client.js', '/fg/js/popup.js', '/fg/js/popup-proxy.js', '/fg/js/popup-window.js', '/fg/js/popup-factory.js', '/fg/js/frame-offset-forwarder.js', '/fg/js/frontend.js' ]); const popupFactory = new PopupFactory(frameId); popupFactory.prepare(); Object.assign(setupNestedPopupsOptions, { depth: this._depth + 1, frameId, popupFactory, pageType: this._pageType, allowRootFramePopupProxy: true, childrenSupported: this._childrenSupported }); const frontend = new Frontend(setupNestedPopupsOptions); this._frontend = frontend; await frontend.prepare(); } async _invokeOwner(action, params={}) { if (this._ownerFrameId === null) { throw new Error('No owner frame'); } return await api.crossFrame.invoke(this._ownerFrameId, action, params); } _copyHostSelection() { if (this._ownerFrameId === null || window.getSelection().toString()) { return false; } this._copyHostSelectionInner(); return true; } async _copyHostSelectionInner() { switch (this._browser) { case 'firefox': case 'firefox-mobile': { let text; try { text = await this._invokeOwner('getSelectionText'); } catch (e) { break; } this._copyText(text); } break; default: await this._invokeOwner('copySelection'); break; } } _copyText(text) { const parent = document.body; if (parent === null) { return; } let textarea = this._copyTextarea; if (textarea === null) { textarea = document.createElement('textarea'); this._copyTextarea = textarea; } textarea.value = text; parent.appendChild(textarea); textarea.select(); document.execCommand('copy'); parent.removeChild(textarea); } async _getRootFrameDocumentTitle() { try { const {title} = await api.crossFrame.invoke(0, 'getDocumentInformation'); return title; } catch (e) { return ''; } } _addMultipleEventListeners(container, selector, ...args) { for (const node of container.querySelectorAll(selector)) { this._eventListeners.addEventListener(node, ...args); } } _addEntryEventListeners(entry) { this._eventListeners.addEventListener(entry, 'click', this._onEntryClick.bind(this)); this._addMultipleEventListeners(entry, '.action-add-note', 'click', this._onNoteAdd.bind(this)); this._addMultipleEventListeners(entry, '.action-view-note', 'click', this._onNoteView.bind(this)); this._addMultipleEventListeners(entry, '.action-play-audio', 'click', this._onAudioPlay.bind(this)); this._addMultipleEventListeners(entry, '.kanji-link', 'click', this._onKanjiLookup.bind(this)); this._addMultipleEventListeners(entry, '.debug-log-link', 'click', this._onDebugLogClick.bind(this)); this._addMultipleEventListeners(entry, '.tag', 'click', this._onTagClick.bind(this)); } _updateDefinitionTextScanner(options) { if (!options.scanning.enablePopupSearch) { if (this._definitionTextScanner !== null) { this._definitionTextScanner.setEnabled(false); } return; } if (this._definitionTextScanner === null) { this._definitionTextScanner = new TextScanner({ node: window, getOptionsContext: this.getOptionsContext.bind(this), documentUtil: this._documentUtil, searchTerms: true, searchKanji: false, searchOnClick: true, searchOnClickOnly: true }); this._definitionTextScanner.includeSelector = '.click-scannable,.click-scannable *'; this._definitionTextScanner.excludeSelector = '.scan-disable,.scan-disable *'; this._definitionTextScanner.prepare(); this._definitionTextScanner.on('searched', this._onDefinitionTextScannerSearched.bind(this)); } const scanningOptions = options.scanning; this._definitionTextScanner.setOptions({ inputs: [{ include: 'mouse0', exclude: '', types: {mouse: true, pen: false, touch: false}, options: { searchTerms: true, searchKanji: true, scanOnTouchMove: false, scanOnPenHover: false, scanOnPenPress: false, scanOnPenRelease: false, preventTouchScrolling: false } }], deepContentScan: scanningOptions.deepDomScan, selectText: false, delay: scanningOptions.delay, touchInputEnabled: false, pointerEventsEnabled: false, scanLength: scanningOptions.length, sentenceExtent: options.anki.sentenceExt, layoutAwareScan: scanningOptions.layoutAwareScan, preventMiddleMouse: false }); this._definitionTextScanner.setEnabled(true); } _onDefinitionTextScannerSearched({type, definitions, sentence, textSource, optionsContext, error}) { if (error !== null && !yomichan.isExtensionUnloaded) { yomichan.logError(error); } if (type === null) { return; } const query = textSource.text(); const details = { focus: false, history: true, params: { type, query, wildcards: 'off' }, state: { focusEntry: 0, sentence, optionsContext }, content: { definitions } }; this._definitionTextScanner.clearSelection(true); this.setContent(details); } _onFrameResizerMouseDown(e) { if (e.button !== 0) { return; } // Don't do e.preventDefault() here; this allows mousemove events to be processed // if the pointer moves out of the frame. this._startFrameResize(e); } _onFrameResizerMouseUp() { this._stopFrameResize(); } _onFrameResizerWindowBlur() { this._stopFrameResize(); } _onFrameResizerMouseMove(e) { if ((e.buttons & 0x1) === 0x0) { this._stopFrameResize(); } else { if (this._frameResizeStartSize === null) { return; } const {clientX: x, clientY: y} = e; this._updateFrameSize(x, y); } } _startFrameResize(e) { if (this._frameResizeToken !== null) { return; } const {clientX: x, clientY: y} = e; const token = {}; this._frameResizeToken = token; this._frameResizeStartOffset = {x, y}; this._frameResizeEventListeners.addEventListener(window, 'mouseup', this._onFrameResizerMouseUp.bind(this), false); this._frameResizeEventListeners.addEventListener(window, 'blur', this._onFrameResizerWindowBlur.bind(this), false); this._frameResizeEventListeners.addEventListener(window, 'mousemove', this._onFrameResizerMouseMove.bind(this), false); const {documentElement} = document; if (documentElement !== null) { documentElement.dataset.isResizing = 'true'; } this._initializeFrameResize(token); } async _initializeFrameResize(token) { const size = await this._invokeOwner('getFrameSize'); if (this._frameResizeToken !== token) { return; } this._frameResizeStartSize = size; } _stopFrameResize() { if (this._frameResizeToken === null) { return; } this._frameResizeEventListeners.removeAllEventListeners(); this._frameResizeStartSize = null; this._frameResizeStartOffset = null; this._frameResizeToken = null; const {documentElement} = document; if (documentElement !== null) { delete documentElement.dataset.isResizing; } } async _updateFrameSize(x, y) { const handleSize = this._frameResizeHandle.getBoundingClientRect(); let {width, height} = this._frameResizeStartSize; width += x - this._frameResizeStartOffset.x; height += y - this._frameResizeStartOffset.y; width = Math.max(Math.max(0, handleSize.width), width); height = Math.max(Math.max(0, handleSize.height), height); await this._invokeOwner('setFrameSize', {width, height}); } }