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+/*
+ * 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());
+
+
+/*
+ * 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}`;
+}