881 lines
27 KiB
JavaScript
881 lines
27 KiB
JavaScript
/*
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* Copyright (C) 2017 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class Display {
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constructor(spinner, container) {
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this.spinner = spinner;
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this.container = container;
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this.definitions = [];
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this.options = null;
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this.context = null;
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this.sequence = 0;
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this.index = 0;
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this.audioPlaying = null;
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this.audioFallback = null;
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this.audioCache = {};
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this.styleNode = null;
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this.eventListeners = [];
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this.persistentEventListeners = [];
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this.interactive = false;
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this.eventListenersActive = false;
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this.clickScanPrevent = false;
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this.poppedContextHistory = [];
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this.windowScroll = new WindowScroll();
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this.setInteractive(true);
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}
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onError(_error) {
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throw new Error('Override me');
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}
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onSearchClear() {
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throw new Error('Override me');
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}
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onSourceTermView(e) {
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e.preventDefault();
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this.sourceTermView();
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}
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onHistoryTermView(e) {
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e.preventDefault();
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this.poppedTermView();
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}
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async onKanjiLookup(e) {
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try {
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e.preventDefault();
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if (!this.context) { return; }
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this.poppedContextHistory = [];
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const link = e.target;
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const context = {
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source: {
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type: 'terms',
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details: {
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definitions: this.definitions,
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context: Object.assign({}, this.context, {
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index: this.entryIndexFind(link),
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scroll: this.windowScroll.y
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})
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}
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},
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type: 'kanji',
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sentence: this.context.sentence,
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url: this.context.url
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};
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this.windowScroll.toY(0);
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const definitions = await apiKanjiFind(link.textContent, this.getOptionsContext());
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this.setContentKanji(definitions, context);
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} catch (error) {
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this.onError(error);
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}
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}
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onGlossaryMouseDown(e) {
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if (DOM.isMouseButtonPressed(e, 'primary')) {
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this.clickScanPrevent = false;
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}
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}
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onGlossaryMouseMove() {
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this.clickScanPrevent = true;
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}
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onGlossaryMouseUp(e) {
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if (!this.clickScanPrevent && DOM.isMouseButtonPressed(e, 'primary')) {
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this.onTermLookup(e);
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}
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}
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async onTermLookup(e, {disableScroll, selectText, disableHistory}={}) {
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try {
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if (!this.context) { return; }
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this.poppedContextHistory = [];
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const termLookupResults = await this.termLookup(e);
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if (!termLookupResults) { return; }
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const {textSource, definitions} = termLookupResults;
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const scannedElement = e.target;
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const sentence = docSentenceExtract(textSource, this.options.anki.sentenceExt);
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const context = {
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source: disableHistory ? this.context.source : {
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type: 'terms',
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details: {
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definitions: this.definitions,
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context: Object.assign({}, this.context, {
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index: this.entryIndexFind(scannedElement),
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scroll: this.windowScroll.y
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})
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}
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},
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type: 'terms',
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disableScroll,
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sentence,
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url: this.context.url
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};
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this.setContentTerms(definitions, context);
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if (!disableScroll) {
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this.windowScroll.toY(0);
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}
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if (selectText) {
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textSource.select();
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}
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} catch (error) {
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this.onError(error);
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}
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}
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async termLookup(e) {
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try {
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e.preventDefault();
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const textSource = docRangeFromPoint(e.clientX, e.clientY, this.options);
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if (textSource === null) {
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return false;
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}
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let definitions, length;
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try {
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textSource.setEndOffset(this.options.scanning.length);
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({definitions, length} = await apiTermsFind(textSource.text(), {}, this.getOptionsContext()));
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if (definitions.length === 0) {
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return false;
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}
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textSource.setEndOffset(length);
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} finally {
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textSource.cleanup();
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}
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return {textSource, definitions};
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} catch (error) {
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this.onError(error);
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}
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}
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onAudioPlay(e) {
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e.preventDefault();
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const link = e.currentTarget;
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const entry = link.closest('.entry');
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const definitionIndex = this.entryIndexFind(entry);
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const expressionIndex = Display.indexOf(entry.querySelectorAll('.expression .action-play-audio'), link);
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this.audioPlay(this.definitions[definitionIndex], expressionIndex, definitionIndex);
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}
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onNoteAdd(e) {
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e.preventDefault();
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const link = e.currentTarget;
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const index = this.entryIndexFind(link);
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this.noteAdd(this.definitions[index], link.dataset.mode);
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}
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onNoteView(e) {
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e.preventDefault();
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const link = e.currentTarget;
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apiNoteView(link.dataset.noteId);
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}
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onKeyDown(e) {
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const key = Display.getKeyFromEvent(e);
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const handlers = Display.onKeyDownHandlers;
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if (hasOwn(handlers, key)) {
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const handler = handlers[key];
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if (handler(this, e)) {
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e.preventDefault();
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return true;
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}
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}
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return false;
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}
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onWheel(e) {
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if (e.altKey) {
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if (e.deltaY !== 0) {
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this.entryScrollIntoView(this.index + (e.deltaY > 0 ? 1 : -1), null, true);
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e.preventDefault();
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}
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} else if (e.shiftKey) {
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const delta = -e.deltaX || e.deltaY;
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if (delta > 0) {
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this.sourceTermView();
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e.preventDefault();
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} else if (delta < 0) {
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this.poppedTermView();
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e.preventDefault();
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}
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}
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}
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onRuntimeMessage({action, params}, sender, callback) {
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const handlers = Display.runtimeMessageHandlers;
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if (hasOwn(handlers, action)) {
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const handler = handlers[action];
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const result = handler(this, params);
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callback(result);
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}
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}
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getOptionsContext() {
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throw new Error('Override me');
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}
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isInitialized() {
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return this.options !== null;
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}
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async initialize(options=null) {
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await this.updateOptions(options);
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chrome.runtime.onMessage.addListener(this.onRuntimeMessage.bind(this));
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}
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async updateOptions(options) {
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this.options = options ? options : await apiOptionsGet(this.getOptionsContext());
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this.updateTheme(this.options.general.popupTheme);
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this.setCustomCss(this.options.general.customPopupCss);
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audioPrepareTextToSpeech(this.options);
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}
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updateTheme(themeName) {
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document.documentElement.dataset.yomichanTheme = themeName;
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const stylesheets = document.querySelectorAll('link[data-yomichan-theme-name]');
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for (const stylesheet of stylesheets) {
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const match = (stylesheet.dataset.yomichanThemeName === themeName);
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stylesheet.rel = (match ? 'stylesheet' : 'stylesheet alternate');
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}
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}
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setCustomCss(css) {
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if (this.styleNode === null) {
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if (css.length === 0) { return; }
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this.styleNode = document.createElement('style');
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}
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this.styleNode.textContent = css;
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const parent = document.head;
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if (this.styleNode.parentNode !== parent) {
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parent.appendChild(this.styleNode);
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}
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}
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setInteractive(interactive) {
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interactive = !!interactive;
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if (this.interactive === interactive) { return; }
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this.interactive = interactive;
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if (interactive) {
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Display.addEventListener(this.persistentEventListeners, document, 'keydown', this.onKeyDown.bind(this), false);
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Display.addEventListener(this.persistentEventListeners, document, 'wheel', this.onWheel.bind(this), {passive: false});
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} else {
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Display.clearEventListeners(this.persistentEventListeners);
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}
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this.setEventListenersActive(this.eventListenersActive);
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}
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setEventListenersActive(active) {
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active = !!active && this.interactive;
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if (this.eventListenersActive === active) { return; }
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this.eventListenersActive = active;
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if (active) {
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this.addEventListeners('.action-add-note', 'click', this.onNoteAdd.bind(this));
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this.addEventListeners('.action-view-note', 'click', this.onNoteView.bind(this));
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this.addEventListeners('.action-play-audio', 'click', this.onAudioPlay.bind(this));
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this.addEventListeners('.kanji-link', 'click', this.onKanjiLookup.bind(this));
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this.addEventListeners('.source-term', 'click', this.onSourceTermView.bind(this));
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this.addEventListeners('.history-term', 'click', this.onHistoryTermView.bind(this));
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if (this.options.scanning.enablePopupSearch) {
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this.addEventListeners('.glossary-item', 'mouseup', this.onGlossaryMouseUp.bind(this));
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this.addEventListeners('.glossary-item', 'mousedown', this.onGlossaryMouseDown.bind(this));
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this.addEventListeners('.glossary-item', 'mousemove', this.onGlossaryMouseMove.bind(this));
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}
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} else {
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Display.clearEventListeners(this.eventListeners);
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}
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}
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addEventListeners(selector, type, listener, options) {
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for (const node of this.container.querySelectorAll(selector)) {
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Display.addEventListener(this.eventListeners, node, type, listener, options);
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}
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}
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setContent(type, details) {
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switch (type) {
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case 'terms':
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return this.setContentTerms(details.definitions, details.context);
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case 'kanji':
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return this.setContentKanji(details.definitions, details.context);
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case 'orphaned':
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return this.setContentOrphaned();
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default:
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return Promise.resolve();
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}
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}
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async setContentTerms(definitions, context) {
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if (!context) { throw new Error('Context expected'); }
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if (!this.isInitialized()) { return; }
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try {
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const options = this.options;
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this.setEventListenersActive(false);
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if (context.focus !== false) {
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window.focus();
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}
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this.definitions = definitions;
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this.context = context;
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const sequence = ++this.sequence;
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const params = {
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definitions,
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source: context.source,
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history: this.poppedContextHistory.length > 0,
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addable: options.anki.enable,
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grouped: options.general.resultOutputMode === 'group',
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merged: options.general.resultOutputMode === 'merge',
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playback: options.audio.enabled,
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compactGlossaries: options.general.compactGlossaries,
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debug: options.general.debugInfo
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};
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for (const definition of definitions) {
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definition.cloze = Display.clozeBuild(context.sentence, definition.source);
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definition.url = context.url;
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}
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const content = await apiTemplateRender('terms.html', params);
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this.container.innerHTML = content;
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const {index, scroll, disableScroll} = context;
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if (!disableScroll) {
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this.entryScrollIntoView(index || 0, scroll);
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} else {
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this.entrySetCurrent(index || 0);
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}
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if (options.audio.enabled && options.audio.autoPlay) {
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this.autoPlayAudio();
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}
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this.setEventListenersActive(true);
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await this.adderButtonUpdate(['term-kanji', 'term-kana'], sequence);
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} catch (e) {
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this.onError(e);
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}
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}
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async setContentKanji(definitions, context) {
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if (!context) { throw new Error('Context expected'); }
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if (!this.isInitialized()) { return; }
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try {
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const options = this.options;
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this.setEventListenersActive(false);
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if (context.focus !== false) {
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window.focus();
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}
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this.definitions = definitions;
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this.context = context;
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const sequence = ++this.sequence;
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const params = {
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definitions,
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source: context.source,
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history: this.poppedContextHistory.length > 0,
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addable: options.anki.enable,
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debug: options.general.debugInfo
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};
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for (const definition of definitions) {
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definition.cloze = Display.clozeBuild(context.sentence);
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definition.url = context.url;
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}
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const content = await apiTemplateRender('kanji.html', params);
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this.container.innerHTML = content;
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const {index, scroll} = context;
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this.entryScrollIntoView(index || 0, scroll);
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this.setEventListenersActive(true);
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await this.adderButtonUpdate(['kanji'], sequence);
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} catch (e) {
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this.onError(e);
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}
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}
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async setContentOrphaned() {
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const definitions = document.querySelector('#definitions');
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const errorOrphaned = document.querySelector('#error-orphaned');
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if (definitions !== null) {
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definitions.style.setProperty('display', 'none', 'important');
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}
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if (errorOrphaned !== null) {
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errorOrphaned.style.setProperty('display', 'block', 'important');
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}
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}
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autoPlayAudio() {
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this.audioPlay(this.definitions[0], this.firstExpressionIndex, 0);
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}
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async adderButtonUpdate(modes, sequence) {
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try {
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const states = await apiDefinitionsAddable(this.definitions, modes, this.getOptionsContext());
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if (!states || sequence !== this.sequence) {
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return;
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}
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for (let i = 0; i < states.length; ++i) {
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const state = states[i];
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let noteId = null;
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for (const mode in state) {
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const button = this.adderButtonFind(i, mode);
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if (button === null) {
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continue;
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}
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const info = state[mode];
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if (!info.canAdd && noteId === null && info.noteId) {
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noteId = info.noteId;
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}
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button.classList.toggle('disabled', !info.canAdd);
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button.classList.remove('pending');
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}
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if (noteId !== null) {
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this.viewerButtonShow(i, noteId);
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}
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}
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} catch (e) {
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this.onError(e);
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}
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}
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entrySetCurrent(index) {
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index = Math.min(index, this.definitions.length - 1);
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index = Math.max(index, 0);
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const entryPre = this.getEntry(this.index);
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if (entryPre !== null) {
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entryPre.classList.remove('entry-current');
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}
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const entry = this.getEntry(index);
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if (entry !== null) {
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entry.classList.add('entry-current');
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}
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this.index = index;
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return entry;
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}
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entryScrollIntoView(index, scroll, smooth) {
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this.windowScroll.stop();
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const entry = this.entrySetCurrent(index);
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let target;
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if (scroll !== null) {
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target = scroll;
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} else {
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target = index === 0 || entry === null ? 0 : Display.getElementTop(entry);
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}
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if (smooth) {
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this.windowScroll.animate(this.windowScroll.x, target, 200);
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} else {
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this.windowScroll.toY(target);
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}
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}
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sourceTermView() {
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if (!this.context || !this.context.source) { return; }
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this.poppedContextHistory.push({
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type: this.context.type,
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details: {
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definitions: this.definitions,
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context: Object.assign({}, this.context, {
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index: this.index,
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scroll: this.windowScroll.y
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})
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}
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});
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const {type, details} = this.context.source;
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this.setContent(type, details);
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}
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poppedTermView() {
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if (this.poppedContextHistory.length === 0) { return; }
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this.context.index = this.index;
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this.context.scroll = this.windowScroll.y;
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const {type, details} = this.poppedContextHistory.pop();
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this.setContent(type, details);
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}
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noteTryAdd(mode) {
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const button = this.adderButtonFind(this.index, mode);
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if (button !== null && !button.classList.contains('disabled')) {
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this.noteAdd(this.definitions[this.index], mode);
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}
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}
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noteTryView() {
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const button = this.viewerButtonFind(this.index);
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if (button !== null && !button.classList.contains('disabled')) {
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apiNoteView(button.dataset.noteId);
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}
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}
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async noteAdd(definition, mode) {
|
|
try {
|
|
this.setSpinnerVisible(true);
|
|
|
|
const context = {};
|
|
if (this.noteUsesScreenshot()) {
|
|
const screenshot = await this.getScreenshot();
|
|
if (screenshot) {
|
|
context.screenshot = screenshot;
|
|
}
|
|
}
|
|
|
|
const noteId = await apiDefinitionAdd(definition, mode, context, 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];
|
|
|
|
if (this.audioPlaying !== null) {
|
|
this.audioPlaying.pause();
|
|
this.audioPlaying = null;
|
|
}
|
|
|
|
const sources = this.options.audio.sources;
|
|
let {audio, source} = await audioGetFromSources(expression, sources, this.getOptionsContext(), false, this.audioCache);
|
|
let info;
|
|
if (audio === null) {
|
|
if (this.audioFallback === null) {
|
|
this.audioFallback = new Audio('/mixed/mp3/button.mp3');
|
|
}
|
|
audio = this.audioFallback;
|
|
info = 'Could not find audio';
|
|
} else {
|
|
info = `From source ${1 + sources.indexOf(source)}: ${source}`;
|
|
}
|
|
|
|
const button = this.audioButtonFindImage(entryIndex);
|
|
if (button !== null) {
|
|
let titleDefault = button.dataset.titleDefault;
|
|
if (!titleDefault) {
|
|
titleDefault = button.title || '';
|
|
button.dataset.titleDefault = titleDefault;
|
|
}
|
|
button.title = `${titleDefault}\n${info}`;
|
|
}
|
|
|
|
this.audioPlaying = audio;
|
|
audio.currentTime = 0;
|
|
audio.volume = this.options.audio.volume / 100.0;
|
|
audio.play();
|
|
} catch (e) {
|
|
this.onError(e);
|
|
} finally {
|
|
this.setSpinnerVisible(false);
|
|
}
|
|
}
|
|
|
|
noteUsesScreenshot() {
|
|
const fields = this.options.anki.terms.fields;
|
|
for (const name in fields) {
|
|
if (fields[name].includes('{screenshot}')) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
async getScreenshot() {
|
|
try {
|
|
await this.setPopupVisibleOverride(false);
|
|
await Display.delay(1); // Wait for popup to be hidden.
|
|
|
|
const {format, quality} = this.options.anki.screenshot;
|
|
const dataUrl = await apiScreenshotGet({format, quality});
|
|
if (!dataUrl || dataUrl.error) { return; }
|
|
|
|
return {dataUrl, format};
|
|
} finally {
|
|
await this.setPopupVisibleOverride(null);
|
|
}
|
|
}
|
|
|
|
get firstExpressionIndex() {
|
|
return this.options.general.resultOutputMode === 'merge' ? 0 : -1;
|
|
}
|
|
|
|
setPopupVisibleOverride(visible) {
|
|
return apiForward('popupSetVisibleOverride', {visible});
|
|
}
|
|
|
|
setSpinnerVisible(visible) {
|
|
this.spinner.style.display = visible ? 'block' : '';
|
|
}
|
|
|
|
getEntry(index) {
|
|
const entries = this.container.querySelectorAll('.entry');
|
|
return index >= 0 && index < entries.length ? entries[index] : null;
|
|
}
|
|
|
|
static clozeBuild(sentence, source) {
|
|
const result = {
|
|
sentence: sentence.text.trim()
|
|
};
|
|
|
|
if (source) {
|
|
result.prefix = sentence.text.substring(0, sentence.offset).trim();
|
|
result.body = source.trim();
|
|
result.suffix = sentence.text.substring(sentence.offset + source.length).trim();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
entryIndexFind(element) {
|
|
const entry = element.closest('.entry');
|
|
return entry !== null ? Display.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) {
|
|
const entry = this.getEntry(index);
|
|
return entry !== null ? entry.querySelector('.action-play-audio>img') : null;
|
|
}
|
|
|
|
static delay(time) {
|
|
return new Promise((resolve) => setTimeout(resolve, time));
|
|
}
|
|
|
|
static indexOf(nodeList, node) {
|
|
for (let i = 0, ii = nodeList.length; i < ii; ++i) {
|
|
if (nodeList[i] === node) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static addEventListener(eventListeners, object, type, listener, options) {
|
|
object.addEventListener(type, listener, options);
|
|
eventListeners.push([object, type, listener, options]);
|
|
}
|
|
|
|
static clearEventListeners(eventListeners) {
|
|
for (const [object, type, listener, options] of eventListeners) {
|
|
object.removeEventListener(type, listener, options);
|
|
}
|
|
eventListeners.length = 0;
|
|
}
|
|
|
|
static getElementTop(element) {
|
|
const elementRect = element.getBoundingClientRect();
|
|
const documentRect = document.documentElement.getBoundingClientRect();
|
|
return elementRect.top - documentRect.top;
|
|
}
|
|
|
|
static getKeyFromEvent(event) {
|
|
const key = event.key;
|
|
return (typeof key === 'string' ? (key.length === 1 ? key.toUpperCase() : key) : '');
|
|
}
|
|
}
|
|
|
|
Display.onKeyDownHandlers = {
|
|
'Escape': (self) => {
|
|
self.onSearchClear();
|
|
return true;
|
|
},
|
|
|
|
'PageUp': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(self.index - 3, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'PageDown': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(self.index + 3, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'End': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(self.definitions.length - 1, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'Home': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(0, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'ArrowUp': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(self.index - 1, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'ArrowDown': (self, e) => {
|
|
if (e.altKey) {
|
|
self.entryScrollIntoView(self.index + 1, null, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'B': (self, e) => {
|
|
if (e.altKey) {
|
|
self.sourceTermView();
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'F': (self, e) => {
|
|
if (e.altKey) {
|
|
self.poppedTermView();
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'E': (self, e) => {
|
|
if (e.altKey) {
|
|
self.noteTryAdd('term-kanji');
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'K': (self, e) => {
|
|
if (e.altKey) {
|
|
self.noteTryAdd('kanji');
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'R': (self, e) => {
|
|
if (e.altKey) {
|
|
self.noteTryAdd('term-kana');
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'P': (self, e) => {
|
|
if (e.altKey) {
|
|
const entry = self.getEntry(self.index);
|
|
if (entry !== null && entry.dataset.type === 'term') {
|
|
self.audioPlay(self.definitions[self.index], self.firstExpressionIndex, self.index);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
'V': (self, e) => {
|
|
if (e.altKey) {
|
|
self.noteTryView();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
Display.runtimeMessageHandlers = {
|
|
optionsUpdate: (self) => self.updateOptions(null)
|
|
};
|