simplify with inheritance
This commit is contained in:
siikamiika
parent
595636c40b
commit
f6d0503604
@ -17,17 +17,16 @@
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*/
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class Frontend {
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class Frontend extends TextScanner {
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constructor(popup, ignoreNodes) {
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this.popup = popup;
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this.textScanner = new TextScanner(
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super(
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window,
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ignoreNodes,
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[this.popup.container],
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[popup.container],
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[(x, y) => this.popup.containsPoint(x, y)]
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);
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this.textScanner.subscribe('textSearch', ({textSource, cause}) => this.searchSource(textSource, cause));
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this.textScanner.subscribe('searchClear', () => this.searchClear(true));
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this.popup = popup;
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this.options = null;
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this.optionsContext = {
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@ -35,9 +34,6 @@ class Frontend {
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url: popup.url
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};
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this.enabled = false;
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this.eventListeners = [];
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this.isPreparedPromiseResolve = null;
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this.isPreparedPromise = new Promise((resolve) => { this.isPreparedPromiseResolve = resolve; });
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@ -70,7 +66,7 @@ class Frontend {
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}
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async onResize() {
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const textSource = this.textScanner.getCurrentTextSource();
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const textSource = this.textSourceCurrent;
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if (textSource !== null && await this.popup.isVisibleAsync()) {
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this.lastShowPromise = this.popup.showContent(
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textSource.getRect(),
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@ -97,51 +93,21 @@ class Frontend {
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}
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}
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onError(error) {
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logError(error, false);
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}
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setEnabled(enabled) {
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this.textScanner.setEnabled(enabled);
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if (enabled) {
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if (!this.enabled) {
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this.hookEvents();
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this.enabled = true;
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}
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} else {
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if (this.enabled) {
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this.clearEventListeners();
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this.enabled = false;
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}
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this.searchClear(false);
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}
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}
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hookEvents() {
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this.addEventListener(window, 'message', this.onWindowMessage.bind(this));
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this.addEventListener(window, 'resize', this.onResize.bind(this));
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}
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addEventListener(node, type, listener, options) {
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node.addEventListener(type, listener, options);
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this.eventListeners.push([node, type, listener, options]);
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}
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clearEventListeners() {
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for (const [node, type, listener, options] of this.eventListeners) {
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node.removeEventListener(type, listener, options);
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}
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this.eventListeners = [];
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getMouseEventListeners() {
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return [
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...super.getMouseEventListeners(),
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[window, 'message', this.onWindowMessage.bind(this)],
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[window, 'resize', this.onResize.bind(this)]
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];
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}
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async updateOptions() {
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this.options = await apiOptionsGet(this.getOptionsContext());
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this.textScanner.setOptions(this.options);
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await this.popup.setOptions(this.options);
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this.setEnabled(this.options.general.enable);
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}
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async searchSource(textSource, cause) {
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async onSearchSource(textSource, cause) {
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let results = null;
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try {
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@ -169,7 +135,7 @@ class Frontend {
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}
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} finally {
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if (results === null && this.options.scanning.autoHideResults) {
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this.searchClear(true);
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this.onSearchClear(true);
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}
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}
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@ -188,7 +154,7 @@ class Frontend {
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}
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async findTerms(textSource) {
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this.textScanner.setTextSourceScanLength(textSource, this.options.scanning.length);
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this.setTextSourceScanLength(textSource, this.options.scanning.length);
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const searchText = textSource.text();
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if (searchText.length === 0) { return null; }
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@ -202,7 +168,7 @@ class Frontend {
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}
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async findKanji(textSource) {
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this.textScanner.setTextSourceScanLength(textSource, 1);
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this.setTextSourceScanLength(textSource, 1);
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const searchText = textSource.text();
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if (searchText.length === 0) { return null; }
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@ -213,10 +179,10 @@ class Frontend {
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return {definitions, type: 'kanji'};
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}
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searchClear(changeFocus) {
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onSearchClear(changeFocus) {
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this.popup.hide(changeFocus);
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this.popup.clearAutoPlayTimer();
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this.textScanner.searchClear();
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super.onSearchClear(changeFocus);
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}
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getOptionsContext() {
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@ -227,7 +193,7 @@ class Frontend {
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Frontend.windowMessageHandlers = {
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popupClose: (self) => {
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self.searchClear(true);
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self.onSearchClear(true);
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},
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selectionCopy: () => {
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@ -31,10 +31,6 @@ class TextScanner {
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this.enabled = false;
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this.eventListeners = [];
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this.subscribers = {
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searchClear: [],
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textSearch: []
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};
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this.primaryTouchIdentifier = null;
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this.preventNextContextMenu = false;
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@ -90,7 +86,7 @@ class TextScanner {
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if (DOM.isMouseButtonDown(e, 'primary')) {
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this.scanTimerClear();
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this.onSearchClear();
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this.onSearchClear(true);
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}
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}
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@ -196,41 +192,14 @@ class TextScanner {
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e.preventDefault(); // Disable scroll
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}
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async onSearchClear() {
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this.searchClear();
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await this.publish('searchClear', {});
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}
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async onTextSearch(textSource, cause) {
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this.pendingLookup = true;
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const results = await this.publish('textSearch', {textSource, cause});
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if (results.some((r) => r)) {
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this.textSourceCurrent = textSource;
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if (this.options.scanning.selectText) {
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textSource.select();
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}
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}
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this.pendingLookup = false;
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async onSearchSource(_textSource, _cause) {
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throw new Error('Override me');
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}
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onError(error) {
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logError(error, false);
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}
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subscribe(eventName, subscriber) {
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if (this.subscribers[eventName].includes(subscriber)) { return; }
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this.subscribers[eventName].push(subscriber);
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}
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async publish(eventName, data) {
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const results = [];
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for (const subscriber of this.subscribers[eventName]) {
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const result = await subscriber(data);
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results.push(result);
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}
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return results;
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}
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async scanTimerWait() {
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const delay = this.options.scanning.delay;
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const promise = promiseTimeout(delay, true);
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@ -262,35 +231,50 @@ class TextScanner {
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this.clearEventListeners();
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this.enabled = false;
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}
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this.onSearchClear();
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this.onSearchClear(false);
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}
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}
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hookEvents() {
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this.addEventListener('mousedown', this.onMouseDown.bind(this));
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this.addEventListener('mousemove', this.onMouseMove.bind(this));
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this.addEventListener('mouseover', this.onMouseOver.bind(this));
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this.addEventListener('mouseout', this.onMouseOut.bind(this));
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let eventListeners = this.getMouseEventListeners();
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if (this.options.scanning.touchInputEnabled) {
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this.addEventListener('click', this.onClick.bind(this));
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this.addEventListener('auxclick', this.onAuxClick.bind(this));
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this.addEventListener('touchstart', this.onTouchStart.bind(this));
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this.addEventListener('touchend', this.onTouchEnd.bind(this));
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this.addEventListener('touchcancel', this.onTouchCancel.bind(this));
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this.addEventListener('touchmove', this.onTouchMove.bind(this), {passive: false});
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this.addEventListener('contextmenu', this.onContextMenu.bind(this));
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eventListeners = eventListeners.concat(this.getTouchEventListeners());
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}
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for (const [node, type, listener, options] of eventListeners) {
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this.addEventListener(node, type, listener, options);
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}
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}
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addEventListener(type, listener, options) {
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this.node.addEventListener(type, listener, options);
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this.eventListeners.push([type, listener, options]);
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getMouseEventListeners() {
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return [
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[this.node, 'mousedown', this.onMouseDown.bind(this)],
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[this.node, 'mousemove', this.onMouseMove.bind(this)],
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[this.node, 'mouseover', this.onMouseOver.bind(this)],
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[this.node, 'mouseout', this.onMouseOut.bind(this)]
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];
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}
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getTouchEventListeners() {
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return [
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[this.node, 'click', this.onClick.bind(this)],
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[this.node, 'auxclick', this.onAuxClick.bind(this)],
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[this.node, 'touchstart', this.onTouchStart.bind(this)],
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[this.node, 'touchend', this.onTouchEnd.bind(this)],
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[this.node, 'touchcancel', this.onTouchCancel.bind(this)],
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[this.node, 'touchmove', this.onTouchMove.bind(this), {passive: false}],
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[this.node, 'contextmenu', this.onContextMenu.bind(this)]
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];
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}
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addEventListener(node, type, listener, options) {
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node.addEventListener(type, listener, options);
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this.eventListeners.push([node, type, listener, options]);
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}
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clearEventListeners() {
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for (const [type, listener, options] of this.eventListeners) {
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this.node.removeEventListener(type, listener, options);
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for (const [node, type, listener, options] of this.eventListeners) {
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node.removeEventListener(type, listener, options);
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}
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this.eventListeners = [];
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}
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@ -319,7 +303,15 @@ class TextScanner {
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}
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try {
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await this.onTextSearch(textSource, cause);
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this.pendingLookup = true;
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const result = await this.onSearchSource(textSource, cause);
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if (result !== null) {
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this.textSourceCurrent = textSource;
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if (this.options.scanning.selectText) {
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textSource.select();
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}
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}
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this.pendingLookup = false;
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} finally {
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if (textSource !== null) {
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textSource.cleanup();
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@ -347,7 +339,7 @@ class TextScanner {
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}
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}
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searchClear() {
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onSearchClear(_) {
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if (this.textSourceCurrent !== null) {
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if (this.options.scanning.selectText) {
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this.textSourceCurrent.deselect();
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