yomichan/ext/mixed/js/display.js
toasted-nutbread b253cdc92e
Fix extension unload cases (#712)
* Add _invokeSafe function to silently ignore extension unload errors

* Remove "Api" from function names

* Add invokeSafe to Popup

* Don't redundantly set content type to 'unloaded'
2020-08-02 21:51:51 -04:00

1257 lines
42 KiB
JavaScript

/*
* Copyright (C) 2017-2020 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
* AudioSystem
* DOM
* DisplayGenerator
* DisplayHistory
* Frontend
* MediaLoader
* PopupFactory
* QueryParser
* WindowScroll
* api
* docRangeFromPoint
* docSentenceExtract
* dynamicLoader
*/
class Display extends EventDispatcher {
constructor(spinner, container) {
super();
this._spinner = spinner;
this._container = container;
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({
audioUriBuilder: {
getUri: async (definition, source, details) => {
return await api.audioGetUri(definition, source, details);
}
},
useCache: true
});
this._styleNode = null;
this._eventListeners = new EventListenerCollection();
this._persistentEventListeners = new EventListenerCollection();
this._interactive = false;
this._eventListenersActive = false;
this._clickScanPrevent = false;
this._setContentToken = null;
this._autoPlayAudioTimer = null;
this._autoPlayAudioDelay = 0;
this._mediaLoader = new MediaLoader();
this._displayGenerator = new DisplayGenerator({mediaLoader: this._mediaLoader});
this._windowScroll = new WindowScroll();
this._hotkeys = new Map();
this._actions = new Map();
this._messageHandlers = 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 = 'Yomichan Search';
this._defaultTitleMaxLength = 1000;
this._fullQuery = '';
this._queryParserVisible = false;
this._queryParserVisibleOverride = null;
this._queryParserContainer = document.querySelector('#query-parser-container');
this._queryParser = new QueryParser({
getOptionsContext: this.getOptionsContext.bind(this),
setSpinnerVisible: this.setSpinnerVisible.bind(this)
});
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(); }]
]);
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'}
]);
this.registerMessageHandlers([
['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)}]
]);
}
get autoPlayAudioDelay() {
return this._autoPlayAudioDelay;
}
set autoPlayAudioDelay(value) {
this._autoPlayAudioDelay = value;
}
get queryParserVisible() {
return this._queryParserVisible;
}
set queryParserVisible(value) {
this._queryParserVisible = value;
this._updateQueryParserVisibility();
}
async prepare() {
this._setInteractive(true);
await this._displayGenerator.prepare();
await this._queryParser.prepare();
this._history.prepare();
this._history.on('stateChanged', this._onStateChanged.bind(this));
this._queryParser.on('searched', this._onQueryParserSearch.bind(this));
yomichan.on('extensionUnloaded', this._onExtensionUnloaded.bind(this));
api.crossFrame.registerHandlers([
['popupMessage', {async: 'dynamic', handler: this._onMessage.bind(this)}]
]);
}
initializeState() {
this._onStateChanged();
}
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() {
throw new Error('Override me');
}
onKeyDown(e) {
const key = DOM.getKeyFromEvent(e);
const handlers = this._hotkeys.get(key);
if (typeof handlers === 'undefined') { return false; }
const eventModifiers = DOM.getActiveModifiers(e);
for (const {modifiers, action} of handlers) {
if (getSetDifference(modifiers, eventModifiers).size !== 0) { 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;
}
setOptionsContext(optionsContext) {
this._optionsContext = optionsContext;
}
async updateOptions() {
this._options = await api.optionsGet(this.getOptionsContext());
this._updateDocumentOptions(this._options);
this._updateTheme(this._options.general.popupTheme);
this.setCustomCss(this._options.general.customPopupCss);
this._queryParser.setOptions(this._options);
}
addMultipleEventListeners(selector, type, listener, options) {
for (const node of this._container.querySelectorAll(selector)) {
this._eventListeners.addEventListener(node, type, listener, options);
}
}
autoPlayAudio() {
this.clearAutoPlayTimer();
if (this._definitions.length === 0) { return; }
const definition = this._definitions[0];
const expressionIndex = this._getFirstExpressionIndex();
const callback = () => {
this._audioPlay(definition, expressionIndex, 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._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() {
return document.title;
}
setSpinnerVisible(visible) {
if (this._spinner !== null) {
this._spinner.hidden = !visible;
}
}
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);
}
}
async setupNestedPopups(frontendInitializationData) {
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-factory.js',
'/fg/js/frame-offset-forwarder.js',
'/fg/js/frontend.js'
]);
const {frameId} = await api.frameInformationGet();
const popupFactory = new PopupFactory(frameId);
popupFactory.prepare();
const frontend = new Frontend(frameId, popupFactory, frontendInitializationData);
await frontend.prepare();
}
authenticateMessageData(data) {
return data;
}
postProcessQuery(query) {
return query;
}
// Message handlers
_onMessage(data) {
data = this.authenticateMessageData(data);
const {action, params} = data;
const handlerInfo = this._messageHandlers.get(action);
if (typeof handlerInfo === 'undefined') {
throw new Error(`Invalid action: ${action}`);
}
const {async, handler} = handlerInfo;
const result = handler(params);
return {async, result};
}
_onMessageSetOptionsContext({optionsContext}) {
this.setOptionsContext(optionsContext);
}
_onMessageSetContent({details}) {
this.setContent(details);
}
_onMessageClearAutoPlayTimer() {
this.clearAutoPlayTimer();
}
_onMessageSetCustomCss({css}) {
this.setCustomCss(css);
}
// Private
async _onStateChanged() {
if (this._historyChangeIgnore) { return; }
const token = {}; // Unique identifier token
this._setContentToken = token;
try {
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._updateQueryParserVisibility();
this._closePopups();
this._setEventListenersActive(false);
let asigned = false;
const eventArgs = {type, urlSearchParams, token};
this._historyHasChanged = true;
this._contentType = type;
this._mediaLoader.unloadAll();
switch (type) {
case 'terms':
case 'kanji':
{
const isTerms = (type === 'terms');
asigned = await this._setContentTermsOrKanji(token, isTerms, urlSearchParams, eventArgs);
}
break;
case 'unloaded':
{
const {content} = this._history;
eventArgs.content = content;
this.trigger('contentUpdating', eventArgs);
this._setContentExtensionUnloaded();
asigned = true;
}
break;
}
const stale = (this._setContentToken !== token);
if (!stale) {
if (!asigned) {
type = 'clear';
this._contentType = type;
const {content} = this._history;
eventArgs.type = type;
eventArgs.content = content;
this.trigger('contentUpdating', eventArgs);
this._clearContent();
}
this._setEventListenersActive(true);
}
eventArgs.stale = stale;
this.trigger('contentUpdated', eventArgs);
} catch (e) {
this.onError(e);
}
}
_onQueryParserSearch({type, definitions, sentence, cause, textSource}) {
const query = textSource.text();
const details = {
focus: false,
history: cause !== 'mouse',
params: this._createSearchParams(type, query, false),
state: {
sentence,
url: window.location.href
},
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);
}
_onSourceTermView(e) {
e.preventDefault();
this._sourceTermView();
}
_onNextTermView(e) {
e.preventDefault();
this._nextTermView();
}
async _onKanjiLookup(e) {
try {
e.preventDefault();
if (!this._historyHasState()) { return; }
const link = e.target;
const {state} = this._history;
state.focusEntry = this._entryIndexFind(link);
state.scrollX = this._windowScroll.x;
state.scrollY = this._windowScroll.y;
this._historyStateUpdate(state);
const query = link.textContent;
const definitions = await api.kanjiFind(query, this.getOptionsContext());
const details = {
focus: false,
history: true,
params: this._createSearchParams('kanji', query, false),
state: {
focusEntry: 0,
sentence: state.sentence,
url: state.url
},
content: {
definitions
}
};
this.setContent(details);
} catch (error) {
this.onError(error);
}
}
_onGlossaryMouseDown(e) {
if (DOM.isMouseButtonPressed(e, 'primary')) {
this._clickScanPrevent = false;
}
}
_onGlossaryMouseMove() {
this._clickScanPrevent = true;
}
_onGlossaryMouseUp(e) {
if (!this._clickScanPrevent && DOM.isMouseButtonPressed(e, 'primary')) {
try {
this._onTermLookup(e);
} catch (error) {
this.onError(error);
}
}
}
async _onTermLookup(e) {
if (!this._historyHasState()) { return; }
const termLookupResults = await this._termLookup(e);
if (!termLookupResults || !this._historyHasState()) { return; }
const {state} = this._history;
const {textSource, definitions} = termLookupResults;
const scannedElement = e.target;
const sentenceExtent = this._options.anki.sentenceExt;
const layoutAwareScan = this._options.scanning.layoutAwareScan;
const sentence = docSentenceExtract(textSource, sentenceExtent, layoutAwareScan);
state.focusEntry = this._entryIndexFind(scannedElement);
state.scrollX = this._windowScroll.x;
state.scrollY = this._windowScroll.y;
this._historyStateUpdate(state);
const query = textSource.text();
const details = {
focus: false,
history: true,
params: this._createSearchParams('terms', query, false),
state: {
focusEntry: 0,
sentence,
url: state.url
},
content: {
definitions
}
};
this.setContent(details);
}
async _termLookup(e) {
e.preventDefault();
const {length: scanLength, deepDomScan: deepScan, layoutAwareScan} = this._options.scanning;
const textSource = docRangeFromPoint(e.clientX, e.clientY, deepScan);
if (textSource === null) {
return false;
}
let definitions, length;
try {
textSource.setEndOffset(scanLength, layoutAwareScan);
({definitions, length} = await api.termsFind(textSource.text(), {}, this.getOptionsContext()));
if (definitions.length === 0) {
return false;
}
textSource.setEndOffset(length, layoutAwareScan);
} finally {
textSource.cleanup();
}
return {textSource, definitions};
}
_onAudioPlay(e) {
e.preventDefault();
const link = e.currentTarget;
const entry = link.closest('.entry');
const index = this._entryIndexFind(entry);
if (index < 0 || index >= this._definitions.length) { return; }
const expressionIndex = this._indexOf(entry.querySelectorAll('.term-expression .action-play-audio'), link);
this._audioPlay(
this._definitions[index],
// expressionIndex is used in audioPlay to detect result output mode
Math.max(expressionIndex, this._options.general.resultOutputMode === 'merge' ? 0 : -1),
index
);
}
_onNoteAdd(e) {
e.preventDefault();
const link = e.currentTarget;
const index = this._entryIndexFind(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();
}
}
_updateDocumentOptions(options) {
const data = document.documentElement.dataset;
data.ankiEnabled = `${options.anki.enable}`;
data.audioEnabled = `${options.audio.enabled}`;
data.compactGlossaries = `${options.general.compactGlossaries}`;
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}`;
}
_updateTheme(themeName) {
document.documentElement.dataset.yomichanTheme = themeName;
}
_setInteractive(interactive) {
interactive = !!interactive;
if (this._interactive === interactive) { return; }
this._interactive = interactive;
if (interactive) {
const actionPrevious = document.querySelector('.action-previous');
const actionNext = document.querySelector('.action-next');
this._persistentEventListeners.addEventListener(document, 'keydown', this.onKeyDown.bind(this), false);
this._persistentEventListeners.addEventListener(document, 'wheel', this._onWheel.bind(this), {passive: false});
if (actionPrevious !== null) {
this._persistentEventListeners.addEventListener(actionPrevious, 'click', this._onSourceTermView.bind(this));
}
if (actionNext !== null) {
this._persistentEventListeners.addEventListener(actionNext, 'click', this._onNextTermView.bind(this));
}
} else {
this._persistentEventListeners.removeAllEventListeners();
}
this._setEventListenersActive(this._eventListenersActive);
}
_setEventListenersActive(active) {
active = !!active && this._interactive;
if (this._eventListenersActive === active) { return; }
this._eventListenersActive = active;
if (active) {
this.addMultipleEventListeners('.action-add-note', 'click', this._onNoteAdd.bind(this));
this.addMultipleEventListeners('.action-view-note', 'click', this._onNoteView.bind(this));
this.addMultipleEventListeners('.action-play-audio', 'click', this._onAudioPlay.bind(this));
this.addMultipleEventListeners('.kanji-link', 'click', this._onKanjiLookup.bind(this));
if (this._options !== null && this._options.scanning.enablePopupSearch) {
this.addMultipleEventListeners('.term-glossary-item, .tag', 'mouseup', this._onGlossaryMouseUp.bind(this));
this.addMultipleEventListeners('.term-glossary-item, .tag', 'mousedown', this._onGlossaryMouseDown.bind(this));
this.addMultipleEventListeners('.term-glossary-item, .tag', 'mousemove', this._onGlossaryMouseMove.bind(this));
}
} else {
this._eventListeners.removeAllEventListeners();
}
}
async _findDefinitions(isTerms, source, urlSearchParams) {
const optionsContext = this.getOptionsContext();
if (isTerms) {
const findDetails = {};
if (urlSearchParams.get('wildcards') !== 'off') {
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, urlSearchParams, eventArgs) {
let source = urlSearchParams.get('query');
if (!source) { return false; }
let {state, content} = this._history;
let changeHistory = false;
if (!isObject(content)) {
content = {};
changeHistory = true;
}
if (!isObject(state)) {
state = {};
changeHistory = true;
}
source = this.postProcessQuery(source);
let full = urlSearchParams.get('full');
full = (full === null ? source : this.postProcessQuery(full));
this._setQueryParserText(full);
this._setTitleText(source);
let {definitions} = content;
if (!Array.isArray(definitions)) {
definitions = await this._findDefinitions(isTerms, source, urlSearchParams);
if (this._setContentToken !== token) { return true; }
content.definitions = definitions;
changeHistory = true;
}
if (changeHistory) {
this._historyStateUpdate(state, content);
}
eventArgs.source = source;
eventArgs.content = content;
this.trigger('contentUpdating', eventArgs);
let {sentence=null, url=null, focusEntry=null, scrollX=null, scrollY=null} = state;
if (typeof url !== 'string') { url = window.location.href; }
sentence = this._getValidSentenceData(sentence);
this._definitions = definitions;
for (const definition of definitions) {
definition.cloze = this._clozeBuild(sentence, isTerms ? definition.source : 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 true; }
}
const entry = (
isTerms ?
this._displayGenerator.createTermEntry(definitions[i]) :
this._displayGenerator.createKanjiEntry(definitions[i])
);
container.appendChild(entry);
}
if (typeof focusEntry === 'number') {
this._focusEntry(focusEntry, 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._setContentTermsOrKanjiUpdateAdderButtons(token, isTerms, definitions);
return true;
}
async _setContentTermsOrKanjiUpdateAdderButtons(token, isTerms, definitions) {
const modes = isTerms ? ['term-kanji', 'term-kana'] : ['kanji'];
const states = await this._getDefinitionsAddable(definitions, modes);
if (this._setContentToken !== token) { return; }
this._updateAdderButtons(states);
}
_setContentExtensionUnloaded() {
const errorExtensionUnloaded = document.querySelector('#error-extension-unloaded');
if (this._container !== null) {
this._container.hidden = true;
}
if (errorExtensionUnloaded !== null) {
errorExtensionUnloaded.hidden = false;
}
this._updateNavigation(null, null);
this._setNoContentVisible(false);
this._setTitleText('');
}
_clearContent() {
this._container.textContent = '';
this._setTitleText('');
}
_setNoContentVisible(visible) {
const noResults = document.querySelector('#no-results');
if (noResults !== null) {
noResults.hidden = !visible;
}
}
_setQueryParserText(text) {
if (this._fullQuery === text) { return; }
this._fullQuery = text;
if (!this._isQueryParserVisible()) { return; }
this._queryParser.setText(text);
}
_setTitleText(text) {
// Chrome limits title to 1024 characters
const ellipsis = '...';
const maxLength = this._defaultTitleMaxLength - this._defaultTitle.length;
if (text.length > maxLength) {
text = `${text.substring(0, Math.max(0, maxLength - maxLength))}${ellipsis}`;
}
document.title = (
text.length === 0 ?
this._defaultTitle :
`${text} - ${this._defaultTitle}`
);
}
_updateNavigation(previous, next) {
if (this._navigationHeader === null) { return; }
this._navigationHeader.hidden = !(previous || next);
this._navigationHeader.dataset.hasPrevious = `${!!previous}`;
this._navigationHeader.dataset.hasNext = `${!!next}`;
}
_updateAdderButtons(states) {
for (let i = 0; i < states.length; ++i) {
let noteId = null;
for (const [mode, info] of Object.entries(states[i])) {
const button = this._adderButtonFind(i, mode);
if (button === null) {
continue;
}
if (!info.canAdd && noteId === null && info.noteId) {
noteId = info.noteId;
}
button.classList.toggle('disabled', !info.canAdd);
button.classList.remove('pending');
}
if (noteId !== null) {
this._viewerButtonShow(i, noteId);
}
}
}
_entrySetCurrent(index) {
index = Math.min(index, this._definitions.length - 1);
index = Math.max(index, 0);
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) {
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.classList.contains('disabled')) {
this._noteAdd(this._definitions[index], mode);
}
}
_noteTryView() {
const button = this._viewerButtonFind(this._index);
if (button !== null && !button.classList.contains('disabled')) {
api.noteView(button.dataset.noteId);
}
}
async _noteAdd(definition, mode) {
try {
this.setSpinnerVisible(true);
const details = {};
if (this._noteUsesScreenshot(mode)) {
const screenshot = await this._getScreenshot();
if (screenshot) {
details.screenshot = screenshot;
}
}
const noteContext = await this._getNoteContext();
const noteId = await api.definitionAdd(definition, mode, noteContext, details, this.getOptionsContext());
if (noteId) {
const index = this._definitions.indexOf(definition);
const adderButton = this._adderButtonFind(index, mode);
if (adderButton !== null) {
adderButton.classList.add('disabled');
}
this._viewerButtonShow(index, noteId);
} else {
throw new Error('Note could not be added');
}
} catch (e) {
this.onError(e);
} finally {
this.setSpinnerVisible(false);
}
}
async _audioPlay(definition, expressionIndex, entryIndex) {
try {
this.setSpinnerVisible(true);
const expression = expressionIndex === -1 ? definition : definition.expressions[expressionIndex];
this._stopPlayingAudio();
let audio, info;
try {
const {sources, textToSpeechVoice, customSourceUrl} = this._options.audio;
let index;
({audio, index} = await this._audioSystem.getDefinitionAudio(expression, sources, {textToSpeechVoice, customSourceUrl}));
info = `From source ${1 + index}: ${sources[index]}`;
} catch (e) {
if (this._audioFallback === null) {
this._audioFallback = new Audio('/mixed/mp3/button.mp3');
}
audio = this._audioFallback;
info = 'Could not find audio';
}
const button = this._audioButtonFindImage(entryIndex, expressionIndex);
if (button !== null) {
let titleDefault = button.dataset.titleDefault;
if (!titleDefault) {
titleDefault = button.title || '';
button.dataset.titleDefault = titleDefault;
}
button.title = `${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.setSpinnerVisible(false);
}
}
_stopPlayingAudio() {
if (this._audioPlaying !== null) {
this._audioPlaying.pause();
this._audioPlaying = null;
}
}
_noteUsesScreenshot(mode) {
const optionsAnki = this._options.anki;
const fields = (mode === 'kanji' ? optionsAnki.kanji : optionsAnki.terms).fields;
for (const fieldValue of Object.values(fields)) {
if (fieldValue.includes('{screenshot}')) {
return true;
}
}
return false;
}
async _getScreenshot() {
try {
await this._setPopupVisibleOverride(false);
await promiseTimeout(1); // Wait for popup to be hidden.
const {format, quality} = this._options.anki.screenshot;
const dataUrl = await api.screenshotGet({format, quality});
if (!dataUrl || dataUrl.error) { return; }
return {dataUrl, format};
} finally {
await this._setPopupVisibleOverride(null);
}
}
_getFirstExpressionIndex() {
return this._options.general.resultOutputMode === 'merge' ? 0 : -1;
}
_setPopupVisibleOverride(visible) {
return api.broadcastTab('popupSetVisibleOverride', {visible});
}
_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()
};
}
_entryIndexFind(element) {
const entry = element.closest('.entry');
return entry !== null ? this._indexOf(this._container.querySelectorAll('.entry'), entry) : -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.classList.remove('pending', 'disabled');
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(${expressionIndex + 1})`) :
entry
);
return container !== null ? container.querySelector('.action-play-audio>img') : null;
}
async _getDefinitionsAddable(definitions, modes) {
try {
const noteContext = await this._getNoteContext();
return await api.definitionsAddable(definitions, modes, noteContext, this.getOptionsContext());
} catch (e) {
return [];
}
}
_indexOf(nodeList, node) {
for (let i = 0, ii = nodeList.length; i < ii; ++i) {
if (nodeList[i] === node) {
return i;
}
}
return -1;
}
_getElementTop(element) {
const elementRect = element.getBoundingClientRect();
const documentRect = document.documentElement.getBoundingClientRect();
return elementRect.top - documentRect.top;
}
async _getNoteContext() {
const documentTitle = await this.getDocumentTitle();
return {
document: {
title: documentTitle
}
};
}
_playAudioCurrent() {
const index = this._index;
if (index < 0 || index >= this._definitions.length) { return; }
const entry = this._getEntry(index);
if (entry !== null && entry.dataset.type === 'term') {
this._audioPlay(this._definitions[index], this._getFirstExpressionIndex(), index);
}
}
_historyHasState() {
return isObject(this._history.state);
}
_historyStateUpdate(state, content) {
const historyChangeIgnorePre = this._historyChangeIgnore;
try {
this._historyChangeIgnore = true;
if (typeof state === 'undefined') { state = this._history.state; }
if (typeof content === 'undefined') { content = this._history.content; }
this._history.replaceState(state, content);
} finally {
this._historyChangeIgnore = historyChangeIgnorePre;
}
}
_createSearchParams(type, query, wildcards) {
const params = {};
if (query.length < this._fullQuery.length) {
params.full = this._fullQuery;
}
params.query = query;
if (typeof type === 'string') {
params.type = type;
}
if (!wildcards) {
params.wildcards = 'off';
}
if (this._queryParserVisibleOverride !== null) {
params['full-visible'] = `${this._queryParserVisibleOverride}`;
}
return params;
}
_isQueryParserVisible() {
return (
this._queryParserVisibleOverride !== null ?
this._queryParserVisibleOverride :
this._queryParserVisible
);
}
_updateQueryParserVisibility() {
this._queryParserContainer.hidden = !this._isQueryParserVisible();
}
_closePopups() {
yomichan.trigger('closePopups');
}
}