/* * Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ async function getOptionsArray() { const optionsFull = await apiOptionsGetFull(); return optionsFull.profiles.map(profile => profile.options); } async function formRead(options) { options.general.enable = $('#enable').prop('checked'); options.general.showGuide = $('#show-usage-guide').prop('checked'); options.general.compactTags = $('#compact-tags').prop('checked'); options.general.compactGlossaries = $('#compact-glossaries').prop('checked'); options.general.resultOutputMode = $('#result-output-mode').val(); options.general.debugInfo = $('#show-debug-info').prop('checked'); options.general.showAdvanced = $('#show-advanced-options').prop('checked'); options.general.maxResults = parseInt($('#max-displayed-results').val(), 10); options.general.popupDisplayMode = $('#popup-display-mode').val(); options.general.popupHorizontalTextPosition = $('#popup-horizontal-text-position').val(); options.general.popupVerticalTextPosition = $('#popup-vertical-text-position').val(); options.general.popupWidth = parseInt($('#popup-width').val(), 10); options.general.popupHeight = parseInt($('#popup-height').val(), 10); options.general.popupHorizontalOffset = parseInt($('#popup-horizontal-offset').val(), 0); options.general.popupVerticalOffset = parseInt($('#popup-vertical-offset').val(), 10); options.general.popupHorizontalOffset2 = parseInt($('#popup-horizontal-offset2').val(), 0); options.general.popupVerticalOffset2 = parseInt($('#popup-vertical-offset2').val(), 10); options.general.popupTheme = $('#popup-theme').val(); options.general.popupOuterTheme = $('#popup-outer-theme').val(); options.general.customPopupCss = $('#custom-popup-css').val(); options.general.customPopupOuterCss = $('#custom-popup-outer-css').val(); options.audio.enabled = $('#audio-playback-enabled').prop('checked'); options.audio.autoPlay = $('#auto-play-audio').prop('checked'); options.audio.volume = parseFloat($('#audio-playback-volume').val()); options.audio.customSourceUrl = $('#audio-custom-source').val(); options.audio.textToSpeechVoice = $('#text-to-speech-voice').val(); options.scanning.middleMouse = $('#middle-mouse-button-scan').prop('checked'); options.scanning.touchInputEnabled = $('#touch-input-enabled').prop('checked'); options.scanning.selectText = $('#select-matched-text').prop('checked'); options.scanning.alphanumeric = $('#search-alphanumeric').prop('checked'); options.scanning.autoHideResults = $('#auto-hide-results').prop('checked'); options.scanning.deepDomScan = $('#deep-dom-scan').prop('checked'); options.scanning.enablePopupSearch = $('#enable-search-within-first-popup').prop('checked'); options.scanning.enableOnPopupExpressions = $('#enable-scanning-of-popup-expressions').prop('checked'); options.scanning.enableOnSearchPage = $('#enable-scanning-on-search-page').prop('checked'); options.scanning.delay = parseInt($('#scan-delay').val(), 10); options.scanning.length = parseInt($('#scan-length').val(), 10); options.scanning.modifier = $('#scan-modifier-key').val(); options.scanning.popupNestingMaxDepth = parseInt($('#popup-nesting-max-depth').val(), 10); options.parsing.enableScanningParser = $('#parsing-scan-enable').prop('checked'); options.parsing.enableMecabParser = $('#parsing-mecab-enable').prop('checked'); options.parsing.readingMode = $('#parsing-reading-mode').val(); const optionsAnkiEnableOld = options.anki.enable; options.anki.enable = $('#anki-enable').prop('checked'); options.anki.tags = utilBackgroundIsolate($('#card-tags').val().split(/[,; ]+/)); options.anki.sentenceExt = parseInt($('#sentence-detection-extent').val(), 10); options.anki.server = $('#interface-server').val(); options.anki.screenshot.format = $('#screenshot-format').val(); options.anki.screenshot.quality = parseInt($('#screenshot-quality').val(), 10); options.anki.fieldTemplates = $('#field-templates').val(); if (optionsAnkiEnableOld && !ankiErrorShown()) { options.anki.terms.deck = $('#anki-terms-deck').val(); options.anki.terms.model = $('#anki-terms-model').val(); options.anki.terms.fields = utilBackgroundIsolate(ankiFieldsToDict($('#terms .anki-field-value'))); options.anki.kanji.deck = $('#anki-kanji-deck').val(); options.anki.kanji.model = $('#anki-kanji-model').val(); options.anki.kanji.fields = utilBackgroundIsolate(ankiFieldsToDict($('#kanji .anki-field-value'))); } } async function formWrite(options) { $('#enable').prop('checked', options.general.enable); $('#show-usage-guide').prop('checked', options.general.showGuide); $('#compact-tags').prop('checked', options.general.compactTags); $('#compact-glossaries').prop('checked', options.general.compactGlossaries); $('#result-output-mode').val(options.general.resultOutputMode); $('#show-debug-info').prop('checked', options.general.debugInfo); $('#show-advanced-options').prop('checked', options.general.showAdvanced); $('#max-displayed-results').val(options.general.maxResults); $('#popup-display-mode').val(options.general.popupDisplayMode); $('#popup-horizontal-text-position').val(options.general.popupHorizontalTextPosition); $('#popup-vertical-text-position').val(options.general.popupVerticalTextPosition); $('#popup-width').val(options.general.popupWidth); $('#popup-height').val(options.general.popupHeight); $('#popup-horizontal-offset').val(options.general.popupHorizontalOffset); $('#popup-vertical-offset').val(options.general.popupVerticalOffset); $('#popup-horizontal-offset2').val(options.general.popupHorizontalOffset2); $('#popup-vertical-offset2').val(options.general.popupVerticalOffset2); $('#popup-theme').val(options.general.popupTheme); $('#popup-outer-theme').val(options.general.popupOuterTheme); $('#custom-popup-css').val(options.general.customPopupCss); $('#custom-popup-outer-css').val(options.general.customPopupOuterCss); $('#audio-playback-enabled').prop('checked', options.audio.enabled); $('#auto-play-audio').prop('checked', options.audio.autoPlay); $('#audio-playback-volume').val(options.audio.volume); $('#audio-custom-source').val(options.audio.customSourceUrl); $('#text-to-speech-voice').val(options.audio.textToSpeechVoice).attr('data-value', options.audio.textToSpeechVoice); $('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse); $('#touch-input-enabled').prop('checked', options.scanning.touchInputEnabled); $('#select-matched-text').prop('checked', options.scanning.selectText); $('#search-alphanumeric').prop('checked', options.scanning.alphanumeric); $('#auto-hide-results').prop('checked', options.scanning.autoHideResults); $('#deep-dom-scan').prop('checked', options.scanning.deepDomScan); $('#enable-search-within-first-popup').prop('checked', options.scanning.enablePopupSearch); $('#enable-scanning-of-popup-expressions').prop('checked', options.scanning.enableOnPopupExpressions); $('#enable-scanning-on-search-page').prop('checked', options.scanning.enableOnSearchPage); $('#scan-delay').val(options.scanning.delay); $('#scan-length').val(options.scanning.length); $('#scan-modifier-key').val(options.scanning.modifier); $('#popup-nesting-max-depth').val(options.scanning.popupNestingMaxDepth); $('#parsing-scan-enable').prop('checked', options.parsing.enableScanningParser); $('#parsing-mecab-enable').prop('checked', options.parsing.enableMecabParser); $('#parsing-reading-mode').val(options.parsing.readingMode); $('#anki-enable').prop('checked', options.anki.enable); $('#card-tags').val(options.anki.tags.join(' ')); $('#sentence-detection-extent').val(options.anki.sentenceExt); $('#interface-server').val(options.anki.server); $('#screenshot-format').val(options.anki.screenshot.format); $('#screenshot-quality').val(options.anki.screenshot.quality); $('#field-templates').val(options.anki.fieldTemplates); onAnkiTemplatesValidateCompile(); await onDictionaryOptionsChanged(options); try { await ankiDeckAndModelPopulate(options); } catch (e) { ankiErrorShow(e); } formUpdateVisibility(options); } function formSetupEventListeners() { $('input, select, textarea').not('.anki-model').not('.ignore-form-changes *').change((e) => onFormOptionsChanged(e)); $('.anki-model').change((e) => onAnkiModelChanged(e)); } function formUpdateVisibility(options) { document.documentElement.dataset.optionsAnkiEnable = `${!!options.anki.enable}`; document.documentElement.dataset.optionsGeneralDebugInfo = `${!!options.general.debugInfo}`; document.documentElement.dataset.optionsGeneralShowAdvanced = `${!!options.general.showAdvanced}`; document.documentElement.dataset.optionsGeneralResultOutputMode = `${options.general.resultOutputMode}`; if (options.general.debugInfo) { const temp = utilIsolate(options); temp.anki.fieldTemplates = '...'; const text = JSON.stringify(temp, null, 4); $('#debug').text(text); } } async function onFormOptionsChanged(e) { if (!e.originalEvent && !e.isTrigger) { return; } const optionsContext = getOptionsContext(); const options = await apiOptionsGet(optionsContext); const optionsAnkiEnableOld = options.anki.enable; const optionsAnkiServerOld = options.anki.server; await formRead(options); await settingsSaveOptions(); formUpdateVisibility(options); try { const ankiUpdated = options.anki.enable !== optionsAnkiEnableOld || options.anki.server !== optionsAnkiServerOld; if (ankiUpdated) { ankiSpinnerShow(true); await ankiDeckAndModelPopulate(options); ankiErrorShow(); } } catch (error) { ankiErrorShow(error); } finally { ankiSpinnerShow(false); } } async function onReady() { showExtensionInformation(); formSetupEventListeners(); appearanceInitialize(); await audioSettingsInitialize(); await profileOptionsSetup(); await dictSettingsInitialize(); ankiTemplatesInitialize(); storageInfoInitialize(); chrome.runtime.onMessage.addListener(onMessage); } $(document).ready(() => onReady()); /* * Page exit prevention */ class PageExitPrevention { constructor() { } start() { PageExitPrevention._addInstance(this); } end() { PageExitPrevention._removeInstance(this); } static _addInstance(instance) { const size = PageExitPrevention._instances.size; PageExitPrevention._instances.set(instance, true); if (size === 0) { window.addEventListener('beforeunload', PageExitPrevention._onBeforeUnload); } } static _removeInstance(instance) { if ( PageExitPrevention._instances.delete(instance) && PageExitPrevention._instances.size === 0 ) { window.removeEventListener('beforeunload', PageExitPrevention._onBeforeUnload); } } static _onBeforeUnload(e) { if (PageExitPrevention._instances.size === 0) { return; } e.preventDefault(); e.returnValue = ''; return ''; } } PageExitPrevention._instances = new Map(); /* * Appearance */ function appearanceInitialize() { let previewVisible = false; $('#settings-popup-preview-button').on('click', () => { if (previewVisible) { return; } showAppearancePreview(); previewVisible = true; }); } function showAppearancePreview() { const container = $('#settings-popup-preview-container'); const buttonContainer = $('#settings-popup-preview-button-container'); const settings = $('#settings-popup-preview-settings'); const text = $('#settings-popup-preview-text'); const customCss = $('#custom-popup-css'); const customOuterCss = $('#custom-popup-outer-css'); const frame = document.createElement('iframe'); frame.src = '/bg/settings-popup-preview.html'; frame.id = 'settings-popup-preview-frame'; window.wanakana.bind(text[0]); text.on('input', () => { const action = 'setText'; const params = {text: text.val()}; frame.contentWindow.postMessage({action, params}, '*'); }); customCss.on('input', () => { const action = 'setCustomCss'; const params = {css: customCss.val()}; frame.contentWindow.postMessage({action, params}, '*'); }); customOuterCss.on('input', () => { const action = 'setCustomOuterCss'; const params = {css: customOuterCss.val()}; frame.contentWindow.postMessage({action, params}, '*'); }); container.append(frame); buttonContainer.remove(); settings.css('display', ''); } /* * Audio */ let audioSourceUI = null; async function audioSettingsInitialize() { const optionsContext = getOptionsContext(); const options = await apiOptionsGet(optionsContext); audioSourceUI = new AudioSourceUI.Container(options.audio.sources, $('.audio-source-list'), $('.audio-source-add')); audioSourceUI.save = () => settingsSaveOptions(); textToSpeechInitialize(); } function textToSpeechInitialize() { if (typeof speechSynthesis === 'undefined') { return; } speechSynthesis.addEventListener('voiceschanged', () => updateTextToSpeechVoices(), false); updateTextToSpeechVoices(); $('#text-to-speech-voice-test').on('click', () => textToSpeechTest()); } function updateTextToSpeechVoices() { const voices = Array.prototype.map.call(speechSynthesis.getVoices(), (voice, index) => ({voice, index})); voices.sort(textToSpeechVoiceCompare); if (voices.length > 0) { $('#text-to-speech-voice-container').css('display', ''); } const select = $('#text-to-speech-voice'); select.empty(); select.append($('<option>').val('').text('None')); for (const {voice} of voices) { select.append($('<option>').val(voice.voiceURI).text(`${voice.name} (${voice.lang})`)); } select.val(select.attr('data-value')); } function languageTagIsJapanese(languageTag) { return ( languageTag.startsWith('ja-') || languageTag.startsWith('jpn-') ); } function textToSpeechVoiceCompare(a, b) { const aIsJapanese = languageTagIsJapanese(a.voice.lang); const bIsJapanese = languageTagIsJapanese(b.voice.lang); if (aIsJapanese) { if (!bIsJapanese) { return -1; } } else { if (bIsJapanese) { return 1; } } const aIsDefault = a.voice.default; const bIsDefault = b.voice.default; if (aIsDefault) { if (!bIsDefault) { return -1; } } else { if (bIsDefault) { return 1; } } if (a.index < b.index) { return -1; } if (a.index > b.index) { return 1; } return 0; } function textToSpeechTest() { try { const text = $('#text-to-speech-voice-test').attr('data-speech-text') || ''; const voiceURI = $('#text-to-speech-voice').val(); const voice = audioGetTextToSpeechVoice(voiceURI); if (voice === null) { return; } const utterance = new SpeechSynthesisUtterance(text); utterance.lang = 'ja-JP'; utterance.voice = voice; utterance.volume = 1.0; speechSynthesis.speak(utterance); } catch (e) { // NOP } } /* * Remote options updates */ function settingsGetSource() { return new Promise((resolve) => { chrome.tabs.getCurrent((tab) => resolve(`settings${tab ? tab.id : ''}`)); }); } async function settingsSaveOptions() { const source = await settingsGetSource(); await apiOptionsSave(source); } async function onOptionsUpdate({source}) { const thisSource = await settingsGetSource(); if (source === thisSource) { return; } const optionsContext = getOptionsContext(); const options = await apiOptionsGet(optionsContext); await formWrite(options); } function onMessage({action, params}, sender, callback) { switch (action) { case 'optionsUpdate': onOptionsUpdate(params); break; case 'getUrl': callback({url: window.location.href}); break; } } /* * Anki */ function ankiSpinnerShow(show) { const spinner = $('#anki-spinner'); if (show) { spinner.show(); } else { spinner.hide(); } } function ankiErrorShow(error) { const dialog = $('#anki-error'); if (error) { dialog.show().text(error); } else { dialog.hide(); } } function ankiErrorShown() { return $('#anki-error').is(':visible'); } function ankiFieldsToDict(selection) { const result = {}; selection.each((index, element) => { result[$(element).data('field')] = $(element).val(); }); return result; } async function ankiDeckAndModelPopulate(options) { const ankiFormat = $('#anki-format').hide(); const deckNames = await utilAnkiGetDeckNames(); const ankiDeck = $('.anki-deck'); ankiDeck.find('option').remove(); deckNames.sort().forEach(name => ankiDeck.append($('<option/>', {value: name, text: name}))); const modelNames = await utilAnkiGetModelNames(); const ankiModel = $('.anki-model'); ankiModel.find('option').remove(); modelNames.sort().forEach(name => ankiModel.append($('<option/>', {value: name, text: name}))); $('#anki-terms-deck').val(options.anki.terms.deck); await ankiFieldsPopulate($('#anki-terms-model').val(options.anki.terms.model), options); $('#anki-kanji-deck').val(options.anki.kanji.deck); await ankiFieldsPopulate($('#anki-kanji-model').val(options.anki.kanji.model), options); ankiFormat.show(); } function ankiCreateFieldTemplate(name, value, markers) { const template = document.querySelector('#anki-field-template').content; const content = document.importNode(template, true).firstChild; content.querySelector('.anki-field-name').textContent = name; const field = content.querySelector('.anki-field-value'); field.dataset.field = name; field.value = value; content.querySelector('.anki-field-marker-list').appendChild(ankiGetFieldMarkersHtml(markers)); return content; } function ankiGetFieldMarkersHtml(markers, fragment) { const template = document.querySelector('#anki-field-marker-template').content; if (!fragment) { fragment = new DocumentFragment(); } for (const marker of markers) { const markerNode = document.importNode(template, true).firstChild; markerNode.querySelector('.marker-link').textContent = marker; fragment.appendChild(markerNode); } return fragment; } function ankiGetFieldMarkers(type) { switch (type) { case 'terms': return [ 'audio', 'cloze-body', 'cloze-prefix', 'cloze-suffix', 'dictionary', 'expression', 'furigana', 'furigana-plain', 'glossary', 'glossary-brief', 'reading', 'screenshot', 'sentence', 'tags', 'url' ]; case 'kanji': return [ 'character', 'dictionary', 'glossary', 'kunyomi', 'onyomi', 'screenshot', 'sentence', 'tags', 'url' ]; default: return []; } } async function ankiFieldsPopulate(element, options) { const modelName = element.val(); if (!modelName) { return; } const tab = element.closest('.tab-pane'); const tabId = tab.attr('id'); const container = tab.find('tbody').empty(); const markers = ankiGetFieldMarkers(tabId); for (const name of await utilAnkiGetModelFieldNames(modelName)) { const value = options.anki[tabId].fields[name] || ''; const html = ankiCreateFieldTemplate(name, value, markers); container.append($(html)); } tab.find('.anki-field-value').change((e) => onFormOptionsChanged(e)); tab.find('.marker-link').click((e) => onAnkiMarkerClicked(e)); } function onAnkiMarkerClicked(e) { e.preventDefault(); const link = e.target; $(link).closest('.input-group').find('.anki-field-value').val(`{${link.text}}`).trigger('change'); } async function onAnkiModelChanged(e) { try { if (!e.originalEvent) { return; } const element = $(this); const tab = element.closest('.tab-pane'); const tabId = tab.attr('id'); const optionsContext = getOptionsContext(); const options = await apiOptionsGet(optionsContext); await formRead(options); options.anki[tabId].fields = utilBackgroundIsolate({}); await settingsSaveOptions(); ankiSpinnerShow(true); await ankiFieldsPopulate(element, options); ankiErrorShow(); } catch (error) { ankiErrorShow(error); } finally { ankiSpinnerShow(false); } } function onAnkiFieldTemplatesReset(e) { e.preventDefault(); $('#field-template-reset-modal').modal('show'); } async function onAnkiFieldTemplatesResetConfirm(e) { try { e.preventDefault(); $('#field-template-reset-modal').modal('hide'); const optionsContext = getOptionsContext(); const options = await apiOptionsGet(optionsContext); const fieldTemplates = profileOptionsGetDefaultFieldTemplates(); options.anki.fieldTemplates = fieldTemplates; $('#field-templates').val(fieldTemplates); onAnkiTemplatesValidateCompile(); await settingsSaveOptions(); } catch (error) { ankiErrorShow(error); } } function ankiTemplatesInitialize() { const markers = new Set(ankiGetFieldMarkers('terms').concat(ankiGetFieldMarkers('kanji'))); const fragment = ankiGetFieldMarkersHtml(markers); const list = document.querySelector('#field-templates-list'); list.appendChild(fragment); for (const node of list.querySelectorAll('.marker-link')) { node.addEventListener('click', onAnkiTemplateMarkerClicked, false); } $('#field-templates').on('change', (e) => onAnkiTemplatesValidateCompile(e)); $('#field-template-render').on('click', (e) => onAnkiTemplateRender(e)); $('#field-templates-reset').on('click', (e) => onAnkiFieldTemplatesReset(e)); $('#field-templates-reset-confirm').on('click', (e) => onAnkiFieldTemplatesResetConfirm(e)); } const ankiTemplatesValidateGetDefinition = (() => { let cachedValue = null; let cachedText = null; return async (text, optionsContext) => { if (cachedText !== text) { const {definitions} = await apiTermsFind(text, {}, optionsContext); if (definitions.length === 0) { return null; } cachedValue = definitions[0]; cachedText = text; } return cachedValue; }; })(); async function ankiTemplatesValidate(infoNode, field, mode, showSuccessResult, invalidateInput) { const text = document.querySelector('#field-templates-preview-text').value || ''; const exceptions = []; let result = `No definition found for ${text}`; try { const optionsContext = getOptionsContext(); const definition = await ankiTemplatesValidateGetDefinition(text, optionsContext); if (definition !== null) { const options = await apiOptionsGet(optionsContext); result = await dictFieldFormat(field, definition, mode, options, exceptions); } } catch (e) { exceptions.push(e); } const hasException = exceptions.length > 0; infoNode.hidden = !(showSuccessResult || hasException); infoNode.textContent = hasException ? exceptions.map(e => `${e}`).join('\n') : (showSuccessResult ? result : ''); infoNode.classList.toggle('text-danger', hasException); if (invalidateInput) { const input = document.querySelector('#field-templates'); input.classList.toggle('is-invalid', hasException); } } function onAnkiTemplatesValidateCompile() { const infoNode = document.querySelector('#field-template-compile-result'); ankiTemplatesValidate(infoNode, '{expression}', 'term-kanji', false, true); } function onAnkiTemplateMarkerClicked(e) { e.preventDefault(); document.querySelector('#field-template-render-text').value = `{${e.target.textContent}}`; } function onAnkiTemplateRender(e) { e.preventDefault(); const field = document.querySelector('#field-template-render-text').value; const infoNode = document.querySelector('#field-template-render-result'); infoNode.hidden = true; ankiTemplatesValidate(infoNode, field, 'term-kanji', true, false); } /* * Storage */ function storageBytesToLabeledString(size) { const base = 1000; const labels = [' bytes', 'KB', 'MB', 'GB']; let labelIndex = 0; while (size >= base) { size /= base; ++labelIndex; } const label = labelIndex === 0 ? `${size}` : size.toFixed(1); return `${label}${labels[labelIndex]}`; } async function storageEstimate() { try { return (storageEstimate.mostRecent = await navigator.storage.estimate()); } catch (e) { // NOP } return null; } storageEstimate.mostRecent = null; async function isStoragePeristent() { try { return await navigator.storage.persisted(); } catch (e) { // NOP } return false; } async function storageInfoInitialize() { storagePersistInitialize(); const {browser, platform} = await apiGetEnvironmentInfo(); document.documentElement.dataset.browser = browser; document.documentElement.dataset.operatingSystem = platform.os; await storageShowInfo(); document.querySelector('#storage-refresh').addEventListener('click', () => storageShowInfo(), false); } async function storageUpdateStats() { storageUpdateStats.isUpdating = true; const estimate = await storageEstimate(); const valid = (estimate !== null); if (valid) { // Firefox reports usage as 0 when persistent storage is enabled. const finite = (estimate.usage > 0 || !(await isStoragePeristent())); if (finite) { document.querySelector('#storage-usage').textContent = storageBytesToLabeledString(estimate.usage); document.querySelector('#storage-quota').textContent = storageBytesToLabeledString(estimate.quota); } document.querySelector('#storage-use-finite').classList.toggle('storage-hidden', !finite); document.querySelector('#storage-use-infinite').classList.toggle('storage-hidden', finite); } storageUpdateStats.isUpdating = false; return valid; } storageUpdateStats.isUpdating = false; async function storageShowInfo() { storageSpinnerShow(true); const valid = await storageUpdateStats(); document.querySelector('#storage-use').classList.toggle('storage-hidden', !valid); document.querySelector('#storage-error').classList.toggle('storage-hidden', valid); storageSpinnerShow(false); } function storageSpinnerShow(show) { const spinner = $('#storage-spinner'); if (show) { spinner.show(); } else { spinner.hide(); } } async function storagePersistInitialize() { if (!(navigator.storage && navigator.storage.persist)) { // Not supported return; } const info = document.querySelector('#storage-persist-info'); const button = document.querySelector('#storage-persist-button'); const checkbox = document.querySelector('#storage-persist-button-checkbox'); info.classList.remove('storage-hidden'); button.classList.remove('storage-hidden'); let persisted = await isStoragePeristent(); checkbox.checked = persisted; button.addEventListener('click', async () => { if (persisted) { return; } let result = false; try { result = await navigator.storage.persist(); } catch (e) { // NOP } if (result) { persisted = true; checkbox.checked = true; storageShowInfo(); } else { $('.storage-persist-fail-warning').removeClass('storage-hidden'); } }, false); } /* * Information */ function showExtensionInformation() { const node = document.getElementById('extension-info'); if (node === null) { return; } const manifest = chrome.runtime.getManifest(); node.textContent = `${manifest.name} v${manifest.version}`; }