Move mixed/js (#1383)

* Move mixed/js/core.js to js/core.js

* Move mixed/js/yomichan.js to js/yomichan.js

* Move mixed/js/timer.js to js/debug/timer.js

* Move mixed/js/hotkey-handler.js to js/input/hotkey-handler.js

* Move mixed/js/hotkey-help-controller.js to js/input/hotkey-help-controller.js

* Move mixed/js/hotkey-util.js to js/input/hotkey-util.js

* Move mixed/js/audio-system.js to js/input/audio-system.js

* Move mixed/js/media-loader.js to js/input/media-loader.js

* Move mixed/js/text-to-speech-audio.js to js/input/text-to-speech-audio.js

* Move mixed/js/comm.js to js/comm/cross-frame-api.js

* Move mixed/js/api.js to js/comm/api.js

* Move mixed/js/frame-client.js to js/comm/frame-client.js

* Move mixed/js/frame-endpoint.js to js/comm/frame-endpoint.js

* Move mixed/js/display.js to js/display/display.js

* Move mixed/js/display-audio.js to js/display/display-audio.js

* Move mixed/js/display-generator.js to js/display/display-generator.js

* Move mixed/js/display-history.js to js/display/display-history.js

* Move mixed/js/display-notification.js to js/display/display-notification.js

* Move mixed/js/display-profile-selection.js to js/display/display-profile-selection.js

* Move mixed/js/japanese.js to js/language/japanese-util.js

* Move mixed/js/dictionary-data-util.js to js/language/dictionary-data-util.js

* Move mixed/js/document-focus-controller.js to js/dom/document-focus-controller.js

* Move mixed/js/document-util.js to js/dom/document-util.js

* Move mixed/js/dom-data-binder.js to js/dom/dom-data-binder.js

* Move mixed/js/html-template-collection.js to js/dom/html-template-collection.js

* Move mixed/js/panel-element.js to js/dom/panel-element.js

* Move mixed/js/popup-menu.js to js/dom/popup-menu.js

* Move mixed/js/selector-observer.js to js/dom/selector-observer.js

* Move mixed/js/scroll.js to js/dom/window-scroll.js

* Move mixed/js/text-scanner.js to js/language/text-scanner.js

* Move mixed/js/cache-map.js to js/general/cache-map.js

* Move mixed/js/object-property-accessor.js to js/general/object-property-accessor.js

* Move mixed/js/task-accumulator.js to js/general/task-accumulator.js

* Move mixed/js/environment.js to js/background/environment.js

* Move mixed/js/dynamic-loader.js to js/scripting/dynamic-loader.js

* Move mixed/js/dynamic-loader-sentinel.js to js/scripting/dynamic-loader-sentinel.js

1 files changed, 0 insertions, 982 deletions

diff --git a/ext/mixed/js/text-scanner.js b/ext/mixed/js/text-scanner.js
deleted file mode 100644
index 7672b69d..00000000
--- a/ext/mixed/js/text-scanner.js
+++ /dev/null
@@ -1,982 +0,0 @@
-/*
- * Copyright (C) 2019-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-/* global
- * DocumentUtil
- * api
- */
-
-class TextScanner extends EventDispatcher {
-    constructor({
-        node,
-        documentUtil,
-        getSearchContext,
-        ignoreElements=null,
-        ignorePoint=null,
-        searchTerms=false,
-        searchKanji=false,
-        searchOnClick=false,
-        searchOnClickOnly=false
-    }) {
-        super();
-        this._node = node;
-        this._documentUtil = documentUtil;
-        this._getSearchContext = getSearchContext;
-        this._ignoreElements = ignoreElements;
-        this._ignorePoint = ignorePoint;
-        this._searchTerms = searchTerms;
-        this._searchKanji = searchKanji;
-        this._searchOnClick = searchOnClick;
-        this._searchOnClickOnly = searchOnClickOnly;
-
-        this._isPrepared = false;
-        this._includeSelector = null;
-        this._excludeSelector = null;
-
-        this._inputInfoCurrent = null;
-        this._scanTimerPromise = null;
-        this._textSourceCurrent = null;
-        this._textSourceCurrentSelected = false;
-        this._pendingLookup = false;
-
-        this._deepContentScan = false;
-        this._selectText = false;
-        this._delay = 0;
-        this._touchInputEnabled = false;
-        this._pointerEventsEnabled = false;
-        this._scanLength = 1;
-        this._layoutAwareScan = false;
-        this._preventMiddleMouse = false;
-        this._sentenceScanExtent = 0;
-        this._sentenceTerminatorMap = new Map();
-        this._sentenceForwardQuoteMap = new Map();
-        this._sentenceBackwardQuoteMap = new Map();
-        this._inputs = [];
-
-        this._enabled = false;
-        this._enabledValue = false;
-        this._eventListeners = new EventListenerCollection();
-
-        this._primaryTouchIdentifier = null;
-        this._preventNextContextMenu = false;
-        this._preventNextMouseDown = false;
-        this._preventNextClick = false;
-        this._preventScroll = false;
-        this._penPointerPressed = false;
-        this._penPointerReleased = false;
-        this._pointerIdTypeMap = new Map();
-
-        this._canClearSelection = true;
-    }
-
-    get canClearSelection() {
-        return this._canClearSelection;
-    }
-
-    set canClearSelection(value) {
-        this._canClearSelection = value;
-    }
-
-    get includeSelector() {
-        return this._includeSelector;
-    }
-
-    set includeSelector(value) {
-        this._includeSelector = value;
-    }
-
-    get excludeSelector() {
-        return this._excludeSelector;
-    }
-
-    set excludeSelector(value) {
-        this._excludeSelector = value;
-    }
-
-    prepare() {
-        this._isPrepared = true;
-        this.setEnabled(this._enabled);
-    }
-
-    setEnabled(enabled) {
-        this._enabled = enabled;
-
-        const value = enabled && this._isPrepared;
-        if (this._enabledValue === value) { return; }
-
-        this._eventListeners.removeAllEventListeners();
-        this._primaryTouchIdentifier = null;
-        this._preventNextContextMenu = false;
-        this._preventNextMouseDown = false;
-        this._preventNextClick = false;
-        this._preventScroll = false;
-        this._penPointerPressed = false;
-        this._penPointerReleased = false;
-        this._pointerIdTypeMap.clear();
-
-        this._enabledValue = value;
-
-        if (value) {
-            this._hookEvents();
-        } else {
-            this.clearSelection(true);
-        }
-    }
-
-    setOptions({
-        inputs,
-        deepContentScan,
-        selectText,
-        delay,
-        touchInputEnabled,
-        pointerEventsEnabled,
-        scanLength,
-        layoutAwareScan,
-        preventMiddleMouse,
-        sentenceParsingOptions
-    }) {
-        if (Array.isArray(inputs)) {
-            this._inputs = inputs.map(({
-                include,
-                exclude,
-                types,
-                options: {
-                    searchTerms,
-                    searchKanji,
-                    scanOnTouchMove,
-                    scanOnPenHover,
-                    scanOnPenPress,
-                    scanOnPenRelease,
-                    preventTouchScrolling
-                }
-            }) => ({
-                include: this._getInputArray(include),
-                exclude: this._getInputArray(exclude),
-                types: this._getInputTypeSet(types),
-                options: {
-                    searchTerms,
-                    searchKanji,
-                    scanOnTouchMove,
-                    scanOnPenHover,
-                    scanOnPenPress,
-                    scanOnPenRelease,
-                    preventTouchScrolling
-                }
-            }));
-        }
-        if (typeof deepContentScan === 'boolean') {
-            this._deepContentScan = deepContentScan;
-        }
-        if (typeof selectText === 'boolean') {
-            this._selectText = selectText;
-        }
-        if (typeof delay === 'number') {
-            this._delay = delay;
-        }
-        if (typeof touchInputEnabled === 'boolean') {
-            this._touchInputEnabled = touchInputEnabled;
-        }
-        if (typeof pointerEventsEnabled === 'boolean') {
-            this._pointerEventsEnabled = pointerEventsEnabled;
-        }
-        if (typeof scanLength === 'number') {
-            this._scanLength = scanLength;
-        }
-        if (typeof layoutAwareScan === 'boolean') {
-            this._layoutAwareScan = layoutAwareScan;
-        }
-        if (typeof preventMiddleMouse === 'boolean') {
-            this._preventMiddleMouse = preventMiddleMouse;
-        }
-        if (typeof sentenceParsingOptions === 'object' && sentenceParsingOptions !== null) {
-            const {scanExtent, enableTerminationCharacters, terminationCharacters} = sentenceParsingOptions;
-            const hasTerminationCharacters = (typeof terminationCharacters === 'object' && Array.isArray(terminationCharacters));
-            if (typeof scanExtent === 'number') {
-                this._sentenceScanExtent = sentenceParsingOptions.scanExtent;
-            }
-            if (typeof enableTerminationCharacters === 'boolean' || hasTerminationCharacters) {
-                const sentenceTerminatorMap = this._sentenceTerminatorMap;
-                const sentenceForwardQuoteMap = this._sentenceForwardQuoteMap;
-                const sentenceBackwardQuoteMap = this._sentenceBackwardQuoteMap;
-                sentenceTerminatorMap.clear();
-                sentenceForwardQuoteMap.clear();
-                sentenceBackwardQuoteMap.clear();
-                if (enableTerminationCharacters !== false && hasTerminationCharacters) {
-                    for (const {enabled, character1, character2, includeCharacterAtStart, includeCharacterAtEnd} of terminationCharacters) {
-                        if (!enabled) { continue; }
-                        if (character2 === null) {
-                            sentenceTerminatorMap.set(character1, [includeCharacterAtStart, includeCharacterAtEnd]);
-                        } else {
-                            sentenceForwardQuoteMap.set(character1, [character2, includeCharacterAtStart]);
-                            sentenceBackwardQuoteMap.set(character2, [character1, includeCharacterAtEnd]);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    getTextSourceContent(textSource, length, layoutAwareScan) {
-        const clonedTextSource = textSource.clone();
-
-        clonedTextSource.setEndOffset(length, layoutAwareScan);
-
-        const includeSelector = this._includeSelector;
-        const excludeSelector = this._excludeSelector;
-        if (includeSelector !== null || excludeSelector !== null) {
-            this._constrainTextSource(clonedTextSource, includeSelector, excludeSelector, layoutAwareScan);
-        }
-
-        return clonedTextSource.text();
-    }
-
-    hasSelection() {
-        return (this._textSourceCurrent !== null);
-    }
-
-    clearSelection(passive) {
-        if (!this._canClearSelection) { return; }
-        if (this._textSourceCurrent !== null) {
-            if (this._textSourceCurrentSelected) {
-                this._textSourceCurrent.deselect();
-            }
-            this._textSourceCurrent = null;
-            this._textSourceCurrentSelected = false;
-            this._inputInfoCurrent = null;
-        }
-        this.trigger('clearSelection', {passive});
-    }
-
-    getCurrentTextSource() {
-        return this._textSourceCurrent;
-    }
-
-    setCurrentTextSource(textSource) {
-        this._textSourceCurrent = textSource;
-        if (this._selectText) {
-            this._textSourceCurrent.select();
-            this._textSourceCurrentSelected = true;
-        } else {
-            this._textSourceCurrentSelected = false;
-        }
-    }
-
-    async searchLast() {
-        if (this._textSourceCurrent !== null && this._inputInfoCurrent !== null) {
-            await this._search(this._textSourceCurrent, this._searchTerms, this._searchKanji, this._inputInfoCurrent);
-            return true;
-        }
-        return false;
-    }
-
-    async search(textSource, inputDetail) {
-        const inputInfo = this._createInputInfo(null, 'script', 'script', true, [], [], inputDetail);
-        return await this._search(textSource, this._searchTerms, this._searchKanji, inputInfo);
-    }
-
-    // Private
-
-    _createOptionsContextForInput(baseOptionsContext, inputInfo) {
-        const optionsContext = clone(baseOptionsContext);
-        const {modifiers, modifierKeys} = inputInfo;
-        optionsContext.modifiers = [...modifiers];
-        optionsContext.modifierKeys = [...modifierKeys];
-        return optionsContext;
-    }
-
-    async _search(textSource, searchTerms, searchKanji, inputInfo) {
-        let definitions = null;
-        let sentence = null;
-        let type = null;
-        let error = null;
-        let searched = false;
-        let optionsContext = null;
-        let detail = null;
-
-        try {
-            if (this._textSourceCurrent !== null && this._textSourceCurrent.hasSameStart(textSource)) {
-                return null;
-            }
-
-            ({optionsContext, detail} = await this._getSearchContext());
-            optionsContext = this._createOptionsContextForInput(optionsContext, inputInfo);
-
-            searched = true;
-
-            const result = await this._findDefinitions(textSource, searchTerms, searchKanji, optionsContext);
-            if (result !== null) {
-                ({definitions, sentence, type} = result);
-                this._inputInfoCurrent = inputInfo;
-                this.setCurrentTextSource(textSource);
-            }
-        } catch (e) {
-            error = e;
-        }
-
-        if (!searched) { return null; }
-
-        const results = {
-            textScanner: this,
-            type,
-            definitions,
-            sentence,
-            inputInfo,
-            textSource,
-            optionsContext,
-            detail,
-            error
-        };
-        this.trigger('searched', results);
-        return results;
-    }
-
-    _onMouseOver(e) {
-        if (this._ignoreElements !== null && this._ignoreElements().includes(e.target)) {
-            this._scanTimerClear();
-        }
-    }
-
-    _onMouseMove(e) {
-        this._scanTimerClear();
-
-        const inputInfo = this._getMatchingInputGroupFromEvent('mouse', 'mouseMove', e);
-        if (inputInfo === null) { return; }
-
-        this._searchAtFromMouseMove(e.clientX, e.clientY, inputInfo);
-    }
-
-    _onMouseDown(e) {
-        if (this._preventNextMouseDown) {
-            this._preventNextMouseDown = false;
-            this._preventNextClick = true;
-            e.preventDefault();
-            e.stopPropagation();
-            return false;
-        }
-
-        switch (e.button) {
-            case 0: // Primary
-                this._scanTimerClear();
-                this.clearSelection(false);
-                break;
-            case 1: // Middle
-                if (this._preventMiddleMouse) {
-                    e.preventDefault();
-                    e.stopPropagation();
-                    return false;
-                }
-                break;
-        }
-    }
-
-    _onMouseOut() {
-        this._scanTimerClear();
-    }
-
-    _onClick(e) {
-        if (this._searchOnClick) {
-            const modifiers = DocumentUtil.getActiveModifiersAndButtons(e);
-            const modifierKeys = DocumentUtil.getActiveModifiers(e);
-            const inputInfo = this._createInputInfo(null, 'mouse', 'click', false, modifiers, modifierKeys);
-            this._searchAt(e.clientX, e.clientY, inputInfo);
-        }
-
-        if (this._preventNextClick) {
-            this._preventNextClick = false;
-            e.preventDefault();
-            e.stopPropagation();
-            return false;
-        }
-    }
-
-    _onAuxClick() {
-        this._preventNextContextMenu = false;
-    }
-
-    _onContextMenu(e) {
-        if (this._preventNextContextMenu) {
-            this._preventNextContextMenu = false;
-            e.preventDefault();
-            e.stopPropagation();
-            return false;
-        }
-    }
-
-    _onTouchStart(e) {
-        if (this._primaryTouchIdentifier !== null || e.changedTouches.length === 0) {
-            return;
-        }
-
-        const {clientX, clientY, identifier} = e.changedTouches[0];
-        this._onPrimaryTouchStart(e, clientX, clientY, identifier);
-    }
-
-    _onPrimaryTouchStart(e, x, y, identifier) {
-        this._preventScroll = false;
-        this._preventNextContextMenu = false;
-        this._preventNextMouseDown = false;
-        this._preventNextClick = false;
-
-        if (DocumentUtil.isPointInSelection(x, y, window.getSelection())) {
-            return;
-        }
-
-        this._primaryTouchIdentifier = identifier;
-
-        this._searchAtFromTouchStart(e, x, y);
-    }
-
-    _onTouchEnd(e) {
-        if (
-            this._primaryTouchIdentifier === null ||
-            this._getTouch(e.changedTouches, this._primaryTouchIdentifier) === null
-        ) {
-            return;
-        }
-
-        this._onPrimaryTouchEnd();
-    }
-
-    _onPrimaryTouchEnd() {
-        this._primaryTouchIdentifier = null;
-        this._preventScroll = false;
-        this._preventNextClick = false;
-        // Don't revert context menu and mouse down prevention, since these events can occur after the touch has ended.
-        // I.e. this._preventNextContextMenu and this._preventNextMouseDown should not be assigned to false.
-    }
-
-    _onTouchCancel(e) {
-        this._onTouchEnd(e);
-    }
-
-    _onTouchMove(e) {
-        if (!this._preventScroll || !e.cancelable || this._primaryTouchIdentifier === null) {
-            return;
-        }
-
-        const primaryTouch = this._getTouch(e.changedTouches, this._primaryTouchIdentifier);
-        if (primaryTouch === null) {
-            return;
-        }
-
-        const inputInfo = this._getMatchingInputGroupFromEvent('touch', 'touchMove', e);
-        if (inputInfo === null) { return; }
-
-        if (inputInfo.input.options.scanOnTouchMove) {
-            this._searchAt(primaryTouch.clientX, primaryTouch.clientY, inputInfo);
-        }
-
-        e.preventDefault(); // Disable scroll
-    }
-
-    _onPointerOver(e) {
-        const {pointerType, pointerId, isPrimary} = e;
-        if (pointerType === 'pen') {
-            this._pointerIdTypeMap.set(pointerId, pointerType);
-        }
-
-        if (!isPrimary) { return; }
-        switch (pointerType) {
-            case 'mouse': return this._onMousePointerOver(e);
-            case 'touch': return this._onTouchPointerOver(e);
-            case 'pen': return this._onPenPointerOver(e);
-        }
-    }
-
-    _onPointerDown(e) {
-        if (!e.isPrimary) { return; }
-        switch (this._getPointerEventType(e)) {
-            case 'mouse': return this._onMousePointerDown(e);
-            case 'touch': return this._onTouchPointerDown(e);
-            case 'pen': return this._onPenPointerDown(e);
-        }
-    }
-
-    _onPointerMove(e) {
-        if (!e.isPrimary) { return; }
-        switch (this._getPointerEventType(e)) {
-            case 'mouse': return this._onMousePointerMove(e);
-            case 'touch': return this._onTouchPointerMove(e);
-            case 'pen': return this._onPenPointerMove(e);
-        }
-    }
-
-    _onPointerUp(e) {
-        if (!e.isPrimary) { return; }
-        switch (this._getPointerEventType(e)) {
-            case 'mouse': return this._onMousePointerUp(e);
-            case 'touch': return this._onTouchPointerUp(e);
-            case 'pen': return this._onPenPointerUp(e);
-        }
-    }
-
-    _onPointerCancel(e) {
-        this._pointerIdTypeMap.delete(e.pointerId);
-        if (!e.isPrimary) { return; }
-        switch (e.pointerType) {
-            case 'mouse': return this._onMousePointerCancel(e);
-            case 'touch': return this._onTouchPointerCancel(e);
-            case 'pen': return this._onPenPointerCancel(e);
-        }
-    }
-
-    _onPointerOut(e) {
-        this._pointerIdTypeMap.delete(e.pointerId);
-        if (!e.isPrimary) { return; }
-        switch (e.pointerType) {
-            case 'mouse': return this._onMousePointerOut(e);
-            case 'touch': return this._onTouchPointerOut(e);
-            case 'pen': return this._onPenPointerOut(e);
-        }
-    }
-
-    _onMousePointerOver(e) {
-        return this._onMouseOver(e);
-    }
-
-    _onMousePointerDown(e) {
-        return this._onMouseDown(e);
-    }
-
-    _onMousePointerMove(e) {
-        return this._onMouseMove(e);
-    }
-
-    _onMousePointerUp() {
-        // NOP
-    }
-
-    _onMousePointerCancel(e) {
-        return this._onMouseOut(e);
-    }
-
-    _onMousePointerOut(e) {
-        return this._onMouseOut(e);
-    }
-
-    _onTouchPointerOver() {
-        // NOP
-    }
-
-    _onTouchPointerDown(e) {
-        const {clientX, clientY, pointerId} = e;
-        return this._onPrimaryTouchStart(e, clientX, clientY, pointerId);
-    }
-
-    _onTouchPointerMove(e) {
-        if (!this._preventScroll || !e.cancelable) {
-            return;
-        }
-
-        const inputInfo = this._getMatchingInputGroupFromEvent('touch', 'touchMove', e);
-        if (inputInfo === null || !inputInfo.input.options.scanOnTouchMove) { return; }
-
-        this._searchAt(e.clientX, e.clientY, inputInfo);
-    }
-
-    _onTouchPointerUp() {
-        return this._onPrimaryTouchEnd();
-    }
-
-    _onTouchPointerCancel() {
-        return this._onPrimaryTouchEnd();
-    }
-
-    _onTouchPointerOut() {
-        // NOP
-    }
-
-    _onTouchMovePreventScroll(e) {
-        if (!this._preventScroll) { return; }
-
-        if (e.cancelable) {
-            e.preventDefault();
-        } else {
-            this._preventScroll = false;
-        }
-    }
-
-    _onPenPointerOver(e) {
-        this._penPointerPressed = false;
-        this._penPointerReleased = false;
-        this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerOver', false);
-    }
-
-    _onPenPointerDown(e) {
-        this._penPointerPressed = true;
-        this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerDown', true);
-    }
-
-    _onPenPointerMove(e) {
-        if (this._penPointerPressed && (!this._preventScroll || !e.cancelable)) { return; }
-        this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerMove', true);
-    }
-
-    _onPenPointerUp() {
-        this._penPointerPressed = false;
-        this._penPointerReleased = true;
-        this._preventScroll = false;
-    }
-
-    _onPenPointerCancel(e) {
-        this._onPenPointerOut(e);
-    }
-
-    _onPenPointerOut() {
-        this._penPointerPressed = false;
-        this._penPointerReleased = false;
-        this._preventScroll = false;
-        this._preventNextContextMenu = false;
-        this._preventNextMouseDown = false;
-        this._preventNextClick = false;
-    }
-
-    async _scanTimerWait() {
-        const delay = this._delay;
-        const promise = promiseTimeout(delay, true);
-        this._scanTimerPromise = promise;
-        try {
-            return await promise;
-        } finally {
-            if (this._scanTimerPromise === promise) {
-                this._scanTimerPromise = null;
-            }
-        }
-    }
-
-    _scanTimerClear() {
-        if (this._scanTimerPromise !== null) {
-            this._scanTimerPromise.resolve(false);
-            this._scanTimerPromise = null;
-        }
-    }
-
-    _arePointerEventsSupported() {
-        return (this._pointerEventsEnabled && typeof PointerEvent !== 'undefined');
-    }
-
-    _hookEvents() {
-        let eventListenerInfos;
-        if (this._searchOnClickOnly) {
-            eventListenerInfos = this._getMouseClickOnlyEventListeners();
-        } else if (this._arePointerEventsSupported()) {
-            eventListenerInfos = this._getPointerEventListeners();
-        } else {
-            eventListenerInfos = this._getMouseEventListeners();
-            if (this._touchInputEnabled) {
-                eventListenerInfos.push(...this._getTouchEventListeners());
-            }
-        }
-
-        for (const args of eventListenerInfos) {
-            this._eventListeners.addEventListener(...args);
-        }
-    }
-
-    _getPointerEventListeners() {
-        return [
-            [this._node, 'pointerover', this._onPointerOver.bind(this)],
-            [this._node, 'pointerdown', this._onPointerDown.bind(this)],
-            [this._node, 'pointermove', this._onPointerMove.bind(this)],
-            [this._node, 'pointerup', this._onPointerUp.bind(this)],
-            [this._node, 'pointercancel', this._onPointerCancel.bind(this)],
-            [this._node, 'pointerout', this._onPointerOut.bind(this)],
-            [this._node, 'touchmove', this._onTouchMovePreventScroll.bind(this), {passive: false}],
-            [this._node, 'mousedown', this._onMouseDown.bind(this)],
-            [this._node, 'click', this._onClick.bind(this)],
-            [this._node, 'auxclick', this._onAuxClick.bind(this)]
-        ];
-    }
-
-    _getMouseEventListeners() {
-        return [
-            [this._node, 'mousedown', this._onMouseDown.bind(this)],
-            [this._node, 'mousemove', this._onMouseMove.bind(this)],
-            [this._node, 'mouseover', this._onMouseOver.bind(this)],
-            [this._node, 'mouseout', this._onMouseOut.bind(this)],
-            [this._node, 'click', this._onClick.bind(this)]
-        ];
-    }
-
-    _getMouseClickOnlyEventListeners() {
-        return [
-            [this._node, 'click', this._onClick.bind(this)]
-        ];
-    }
-    _getTouchEventListeners() {
-        return [
-            [this._node, 'auxclick', this._onAuxClick.bind(this)],
-            [this._node, 'touchstart', this._onTouchStart.bind(this)],
-            [this._node, 'touchend', this._onTouchEnd.bind(this)],
-            [this._node, 'touchcancel', this._onTouchCancel.bind(this)],
-            [this._node, 'touchmove', this._onTouchMove.bind(this), {passive: false}],
-            [this._node, 'contextmenu', this._onContextMenu.bind(this)]
-        ];
-    }
-
-    _getTouch(touchList, identifier) {
-        for (const touch of touchList) {
-            if (touch.identifier === identifier) {
-                return touch;
-            }
-        }
-        return null;
-    }
-
-    async _findDefinitions(textSource, searchTerms, searchKanji, optionsContext) {
-        if (textSource === null) {
-            return null;
-        }
-        if (searchTerms) {
-            const results = await this._findTerms(textSource, optionsContext);
-            if (results !== null) { return results; }
-        }
-        if (searchKanji) {
-            const results = await this._findKanji(textSource, optionsContext);
-            if (results !== null) { return results; }
-        }
-        return null;
-    }
-
-    async _findTerms(textSource, optionsContext) {
-        const scanLength = this._scanLength;
-        const sentenceScanExtent = this._sentenceScanExtent;
-        const sentenceTerminatorMap = this._sentenceTerminatorMap;
-        const sentenceForwardQuoteMap = this._sentenceForwardQuoteMap;
-        const sentenceBackwardQuoteMap = this._sentenceBackwardQuoteMap;
-        const layoutAwareScan = this._layoutAwareScan;
-        const searchText = this.getTextSourceContent(textSource, scanLength, layoutAwareScan);
-        if (searchText.length === 0) { return null; }
-
-        const {definitions, length} = await api.termsFind(searchText, {}, optionsContext);
-        if (definitions.length === 0) { return null; }
-
-        textSource.setEndOffset(length, layoutAwareScan);
-        const sentence = this._documentUtil.extractSentence(
-            textSource,
-            layoutAwareScan,
-            sentenceScanExtent,
-            sentenceTerminatorMap,
-            sentenceForwardQuoteMap,
-            sentenceBackwardQuoteMap
-        );
-
-        return {definitions, sentence, type: 'terms'};
-    }
-
-    async _findKanji(textSource, optionsContext) {
-        const sentenceScanExtent = this._sentenceScanExtent;
-        const sentenceTerminatorMap = this._sentenceTerminatorMap;
-        const sentenceForwardQuoteMap = this._sentenceForwardQuoteMap;
-        const sentenceBackwardQuoteMap = this._sentenceBackwardQuoteMap;
-        const layoutAwareScan = this._layoutAwareScan;
-        const searchText = this.getTextSourceContent(textSource, 1, layoutAwareScan);
-        if (searchText.length === 0) { return null; }
-
-        const definitions = await api.kanjiFind(searchText, optionsContext);
-        if (definitions.length === 0) { return null; }
-
-        textSource.setEndOffset(1, layoutAwareScan);
-        const sentence = this._documentUtil.extractSentence(
-            textSource,
-            layoutAwareScan,
-            sentenceScanExtent,
-            sentenceTerminatorMap,
-            sentenceForwardQuoteMap,
-            sentenceBackwardQuoteMap
-        );
-
-        return {definitions, sentence, type: 'kanji'};
-    }
-
-    async _searchAt(x, y, inputInfo) {
-        if (this._pendingLookup) { return; }
-
-        try {
-            const sourceInput = inputInfo.input;
-            let searchTerms = this._searchTerms;
-            let searchKanji = this._searchKanji;
-            if (sourceInput !== null) {
-                if (searchTerms && !sourceInput.options.searchTerms) { searchTerms = false; }
-                if (searchKanji && !sourceInput.options.searchKanji) { searchKanji = false; }
-            }
-
-            this._pendingLookup = true;
-            this._scanTimerClear();
-
-            if (typeof this._ignorePoint === 'function' && await this._ignorePoint(x, y)) {
-                return;
-            }
-
-            const textSource = this._documentUtil.getRangeFromPoint(x, y, this._deepContentScan);
-            try {
-                await this._search(textSource, searchTerms, searchKanji, inputInfo);
-            } finally {
-                if (textSource !== null) {
-                    textSource.cleanup();
-                }
-            }
-        } catch (e) {
-            yomichan.logError(e);
-        } finally {
-            this._pendingLookup = false;
-        }
-    }
-
-    async _searchAtFromMouseMove(x, y, inputInfo) {
-        if (this._pendingLookup) { return; }
-
-        if (inputInfo.passive) {
-            if (!await this._scanTimerWait()) {
-                // Aborted
-                return;
-            }
-        }
-
-        await this._searchAt(x, y, inputInfo);
-    }
-
-    async _searchAtFromTouchStart(e, x, y) {
-        if (this._pendingLookup) { return; }
-
-        const inputInfo = this._getMatchingInputGroupFromEvent('touch', 'touchStart', e);
-        if (inputInfo === null) { return; }
-
-        const textSourceCurrentPrevious = this._textSourceCurrent !== null ? this._textSourceCurrent.clone() : null;
-        const preventScroll = inputInfo.input.options.preventTouchScrolling;
-
-        await this._searchAt(x, y, inputInfo);
-
-        if (
-            this._textSourceCurrent !== null &&
-            !this._textSourceCurrent.hasSameStart(textSourceCurrentPrevious)
-        ) {
-            this._preventScroll = preventScroll;
-            this._preventNextContextMenu = true;
-            this._preventNextMouseDown = true;
-        }
-    }
-
-    async _searchAtFromPen(e, x, y, eventType, prevent) {
-        if (this._pendingLookup) { return; }
-
-        const inputInfo = this._getMatchingInputGroupFromEvent('pen', eventType, e);
-        if (inputInfo === null) { return; }
-
-        const {input: {options}} = inputInfo;
-        if (
-            (!options.scanOnPenRelease && this._penPointerReleased) ||
-            !(this._penPointerPressed ? options.scanOnPenPress : options.scanOnPenHover)
-        ) {
-            return;
-        }
-
-        const preventScroll = inputInfo.input.options.preventTouchScrolling;
-
-        await this._searchAt(x, y, inputInfo);
-
-        if (
-            prevent &&
-            this._textSourceCurrent !== null
-        ) {
-            this._preventScroll = preventScroll;
-            this._preventNextContextMenu = true;
-            this._preventNextMouseDown = true;
-            this._preventNextClick = true;
-        }
-    }
-
-    _getMatchingInputGroupFromEvent(pointerType, eventType, event) {
-        const modifiers = DocumentUtil.getActiveModifiersAndButtons(event);
-        const modifierKeys = DocumentUtil.getActiveModifiers(event);
-        return this._getMatchingInputGroup(pointerType, eventType, modifiers, modifierKeys);
-    }
-
-    _getMatchingInputGroup(pointerType, eventType, modifiers, modifierKeys) {
-        let fallbackIndex = -1;
-        const modifiersSet = new Set(modifiers);
-        for (let i = 0, ii = this._inputs.length; i < ii; ++i) {
-            const input = this._inputs[i];
-            const {include, exclude, types} = input;
-            if (!types.has(pointerType)) { continue; }
-            if (this._setHasAll(modifiersSet, include) && (exclude.length === 0 || !this._setHasAll(modifiersSet, exclude))) {
-                if (include.length > 0) {
-                    return this._createInputInfo(input, pointerType, eventType, false, modifiers, modifierKeys);
-                } else if (fallbackIndex < 0) {
-                    fallbackIndex = i;
-                }
-            }
-        }
-
-        return (
-            fallbackIndex >= 0 ?
-            this._createInputInfo(this._inputs[fallbackIndex], pointerType, eventType, true, modifiers, modifierKeys) :
-            null
-        );
-    }
-
-    _createInputInfo(input, pointerType, eventType, passive, modifiers, modifierKeys, detail) {
-        return {input, pointerType, eventType, passive, modifiers, modifierKeys, detail};
-    }
-
-    _setHasAll(set, values) {
-        for (const value of values) {
-            if (!set.has(value)) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    _getInputArray(value) {
-        return (
-            typeof value === 'string' ?
-            value.split(/[,;\s]+/).map((v) => v.trim().toLowerCase()).filter((v) => v.length > 0) :
-            []
-        );
-    }
-
-    _getInputTypeSet({mouse, touch, pen}) {
-        const set = new Set();
-        if (mouse) { set.add('mouse'); }
-        if (touch) { set.add('touch'); }
-        if (pen) { set.add('pen'); }
-        return set;
-    }
-
-    _getPointerEventType(e) {
-        // Workaround for Firefox bug not detecting certain 'touch' events as 'pen' events.
-        const cachedPointerType = this._pointerIdTypeMap.get(e.pointerId);
-        return (typeof cachedPointerType !== 'undefined' ? cachedPointerType : e.pointerType);
-    }
-
-    _constrainTextSource(textSource, includeSelector, excludeSelector, layoutAwareScan) {
-        let length = textSource.text().length;
-        while (length > 0) {
-            const nodes = textSource.getNodesInRange();
-            if (
-                (includeSelector !== null && !DocumentUtil.everyNodeMatchesSelector(nodes, includeSelector)) ||
-                (excludeSelector !== null && DocumentUtil.anyNodeMatchesSelector(nodes, excludeSelector))
-            ) {
-                --length;
-                textSource.setEndOffset(length, layoutAwareScan);
-            } else {
-                break;
-            }
-        }
-    }
-}