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, 570 deletions

diff --git a/ext/mixed/js/document-util.js b/ext/mixed/js/document-util.js
deleted file mode 100644
index 513a0c05..00000000
--- a/ext/mixed/js/document-util.js
+++ /dev/null
@@ -1,570 +0,0 @@
-/*
- * Copyright (C) 2016-2021  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
- * DOMTextScanner
- * TextSourceElement
- * TextSourceRange
- */
-
-class DocumentUtil {
-    constructor() {
-        this._transparentColorPattern = /rgba\s*\([^)]*,\s*0(?:\.0+)?\s*\)/;
-    }
-
-    getRangeFromPoint(x, y, deepContentScan) {
-        const elements = this._getElementsFromPoint(x, y, deepContentScan);
-        let imposter = null;
-        let imposterContainer = null;
-        let imposterSourceElement = null;
-        if (elements.length > 0) {
-            const element = elements[0];
-            switch (element.nodeName.toUpperCase()) {
-                case 'IMG':
-                case 'BUTTON':
-                    return new TextSourceElement(element);
-                case 'INPUT':
-                    imposterSourceElement = element;
-                    [imposter, imposterContainer] = this._createImposter(element, false);
-                    break;
-                case 'TEXTAREA':
-                    imposterSourceElement = element;
-                    [imposter, imposterContainer] = this._createImposter(element, true);
-                    break;
-            }
-        }
-
-        const range = this._caretRangeFromPointExt(x, y, deepContentScan ? elements : []);
-        if (range !== null) {
-            if (imposter !== null) {
-                this._setImposterStyle(imposterContainer.style, 'z-index', '-2147483646');
-                this._setImposterStyle(imposter.style, 'pointer-events', 'none');
-            }
-            return new TextSourceRange(range, '', imposterContainer, imposterSourceElement);
-        } else {
-            if (imposterContainer !== null) {
-                imposterContainer.parentNode.removeChild(imposterContainer);
-            }
-            return null;
-        }
-    }
-
-    /**
-     * Extract a sentence from a document.
-     * @param source The text source object, either `TextSourceRange` or `TextSourceElement`.
-     * @param layoutAwareScan Whether or not layout-aware scan mode should be used.
-     * @param extent The length of the sentence to extract.
-     * @param terminatorMap A mapping of characters that terminate a sentence.
-     *   Format:
-     *   ```js
-     *   new Map([ [character: string, [includeCharacterAtStart: boolean, includeCharacterAtEnd: boolean]], ... ])
-     *   ```
-     * @param forwardQuoteMap A mapping of quote characters that delimit a sentence.
-     *   Format:
-     *   ```js
-     *   new Map([ [character: string, [otherCharacter: string, includeCharacterAtStart: boolean]], ... ])
-     *   ```
-     * @param backwardQuoteMap A mapping of quote characters that delimit a sentence,
-     *   which is the inverse of forwardQuoteMap.
-     *   Format:
-     *   ```js
-     *   new Map([ [character: string, [otherCharacter: string, includeCharacterAtEnd: boolean]], ... ])
-     *   ```
-     * @returns The sentence and the offset to the original source: `{sentence: string, offset: integer}`.
-     */
-    extractSentence(source, layoutAwareScan, extent, terminatorMap, forwardQuoteMap, backwardQuoteMap) {
-        // Scan text
-        source = source.clone();
-        const startLength = source.setStartOffset(extent, layoutAwareScan);
-        const endLength = source.setEndOffset(extent * 2 - startLength, layoutAwareScan, true);
-        const text = source.text();
-        const textLength = text.length;
-        const textEndAnchor = textLength - endLength;
-        let pos1 = startLength;
-        let pos2 = textEndAnchor;
-
-        // Move backward
-        let quoteStack = [];
-        for (; pos1 > 0; --pos1) {
-            const c = text[pos1 - 1];
-            if (c === '\n') { break; }
-
-            if (quoteStack.length === 0) {
-                const terminatorInfo = terminatorMap.get(c);
-                if (typeof terminatorInfo !== 'undefined') {
-                    if (terminatorInfo[0]) { --pos1; }
-                    break;
-                }
-            }
-
-            let quoteInfo = forwardQuoteMap.get(c);
-            if (typeof quoteInfo !== 'undefined') {
-                if (quoteStack.length === 0) {
-                    if (quoteInfo[1]) { --pos1; }
-                    break;
-                } else if (quoteStack[0] === c) {
-                    quoteStack.pop();
-                    continue;
-                }
-            }
-
-            quoteInfo = backwardQuoteMap.get(c);
-            if (typeof quoteInfo !== 'undefined') {
-                quoteStack.unshift(quoteInfo[0]);
-            }
-        }
-
-        // Move forward
-        quoteStack = [];
-        for (; pos2 < textLength; ++pos2) {
-            const c = text[pos2];
-            if (c === '\n') { break; }
-
-            if (quoteStack.length === 0) {
-                const terminatorInfo = terminatorMap.get(c);
-                if (typeof terminatorInfo !== 'undefined') {
-                    if (terminatorInfo[1]) { ++pos2; }
-                    break;
-                }
-            }
-
-            let quoteInfo = backwardQuoteMap.get(c);
-            if (typeof quoteInfo !== 'undefined') {
-                if (quoteStack.length === 0) {
-                    if (quoteInfo[1]) { ++pos2; }
-                    break;
-                } else if (quoteStack[0] === c) {
-                    quoteStack.pop();
-                    continue;
-                }
-            }
-
-            quoteInfo = forwardQuoteMap.get(c);
-            if (typeof quoteInfo !== 'undefined') {
-                quoteStack.unshift(quoteInfo[0]);
-            }
-        }
-
-        // Trim whitespace
-        for (; pos1 < startLength && this._isWhitespace(text[pos1]); ++pos1) { /* NOP */ }
-        for (; pos2 > textEndAnchor && this._isWhitespace(text[pos2 - 1]); --pos2) { /* NOP */ }
-
-        // Result
-        return {
-            text: text.substring(pos1, pos2),
-            offset: startLength - pos1
-        };
-    }
-
-    static isPointInRect(x, y, rect) {
-        return (
-            x >= rect.left && x < rect.right &&
-            y >= rect.top && y < rect.bottom
-        );
-    }
-
-    static isPointInAnyRect(x, y, rects) {
-        for (const rect of rects) {
-            if (this.isPointInRect(x, y, rect)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    static isPointInSelection(x, y, selection) {
-        for (let i = 0; i < selection.rangeCount; ++i) {
-            const range = selection.getRangeAt(i);
-            if (this.isPointInAnyRect(x, y, range.getClientRects())) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    static isMouseButtonPressed(mouseEvent, button) {
-        const mouseEventButton = mouseEvent.button;
-        switch (button) {
-            case 'primary': return mouseEventButton === 0;
-            case 'secondary': return mouseEventButton === 2;
-            case 'auxiliary': return mouseEventButton === 1;
-            default: return false;
-        }
-    }
-
-    static getActiveModifiers(event) {
-        const modifiers = [];
-        if (event.altKey) { modifiers.push('alt'); }
-        if (event.ctrlKey) { modifiers.push('ctrl'); }
-        if (event.metaKey) { modifiers.push('meta'); }
-        if (event.shiftKey) { modifiers.push('shift'); }
-        return modifiers;
-    }
-
-    static getActiveModifiersAndButtons(event) {
-        const modifiers = this.getActiveModifiers(event);
-        this._getActiveButtons(event, modifiers);
-        return modifiers;
-    }
-
-    static getActiveButtons(event) {
-        const buttons = [];
-        this._getActiveButtons(event, buttons);
-        return buttons;
-    }
-
-    static addFullscreenChangeEventListener(onFullscreenChanged, eventListenerCollection=null) {
-        const target = document;
-        const options = false;
-        const fullscreenEventNames = [
-            'fullscreenchange',
-            'MSFullscreenChange',
-            'mozfullscreenchange',
-            'webkitfullscreenchange'
-        ];
-        for (const eventName of fullscreenEventNames) {
-            if (eventListenerCollection === null) {
-                target.addEventListener(eventName, onFullscreenChanged, options);
-            } else {
-                eventListenerCollection.addEventListener(target, eventName, onFullscreenChanged, options);
-            }
-        }
-    }
-
-    static getFullscreenElement() {
-        return (
-            document.fullscreenElement ||
-            document.msFullscreenElement ||
-            document.mozFullScreenElement ||
-            document.webkitFullscreenElement ||
-            null
-        );
-    }
-
-    static getNodesInRange(range) {
-        const end = range.endContainer;
-        const nodes = [];
-        for (let node = range.startContainer; node !== null; node = this.getNextNode(node)) {
-            nodes.push(node);
-            if (node === end) { break; }
-        }
-        return nodes;
-    }
-
-    static getNextNode(node) {
-        let next = node.firstChild;
-        if (next === null) {
-            while (true) {
-                next = node.nextSibling;
-                if (next !== null) { break; }
-
-                next = node.parentNode;
-                if (next === null) { break; }
-
-                node = next;
-            }
-        }
-        return next;
-    }
-
-    static anyNodeMatchesSelector(nodes, selector) {
-        const ELEMENT_NODE = Node.ELEMENT_NODE;
-        for (let node of nodes) {
-            for (; node !== null; node = node.parentNode) {
-                if (node.nodeType !== ELEMENT_NODE) { continue; }
-                if (node.matches(selector)) { return true; }
-                break;
-            }
-        }
-        return false;
-    }
-
-    static everyNodeMatchesSelector(nodes, selector) {
-        const ELEMENT_NODE = Node.ELEMENT_NODE;
-        for (let node of nodes) {
-            while (true) {
-                if (node === null) { return false; }
-                if (node.nodeType === ELEMENT_NODE && node.matches(selector)) { break; }
-                node = node.parentNode;
-            }
-        }
-        return true;
-    }
-
-    static isMetaKeySupported(os, browser) {
-        return !(browser === 'firefox' || browser === 'firefox-mobile') || os === 'mac';
-    }
-
-    static _getActiveButtons(event, array) {
-        let {buttons} = event;
-        if (typeof buttons === 'number' && buttons > 0) {
-            for (let i = 0; i < 6; ++i) {
-                const buttonFlag = (1 << i);
-                if ((buttons & buttonFlag) !== 0) {
-                    array.push(`mouse${i}`);
-                    buttons &= ~buttonFlag;
-                    if (buttons === 0) { break; }
-                }
-            }
-        }
-    }
-
-    // Private
-
-    _setImposterStyle(style, propertyName, value) {
-        style.setProperty(propertyName, value, 'important');
-    }
-
-    _createImposter(element, isTextarea) {
-        const body = document.body;
-        if (body === null) { return [null, null]; }
-
-        const elementStyle = window.getComputedStyle(element);
-        const elementRect = element.getBoundingClientRect();
-        const documentRect = document.documentElement.getBoundingClientRect();
-        let left = elementRect.left - documentRect.left;
-        let top = elementRect.top - documentRect.top;
-
-        // Container
-        const container = document.createElement('div');
-        const containerStyle = container.style;
-        this._setImposterStyle(containerStyle, 'all', 'initial');
-        this._setImposterStyle(containerStyle, 'position', 'absolute');
-        this._setImposterStyle(containerStyle, 'left', '0');
-        this._setImposterStyle(containerStyle, 'top', '0');
-        this._setImposterStyle(containerStyle, 'width', `${documentRect.width}px`);
-        this._setImposterStyle(containerStyle, 'height', `${documentRect.height}px`);
-        this._setImposterStyle(containerStyle, 'overflow', 'hidden');
-        this._setImposterStyle(containerStyle, 'opacity', '0');
-        this._setImposterStyle(containerStyle, 'pointer-events', 'none');
-        this._setImposterStyle(containerStyle, 'z-index', '2147483646');
-
-        // Imposter
-        const imposter = document.createElement('div');
-        const imposterStyle = imposter.style;
-
-        let value = element.value;
-        if (value.endsWith('\n')) { value += '\n'; }
-        imposter.textContent = value;
-
-        for (let i = 0, ii = elementStyle.length; i < ii; ++i) {
-            const property = elementStyle[i];
-            this._setImposterStyle(imposterStyle, property, elementStyle.getPropertyValue(property));
-        }
-        this._setImposterStyle(imposterStyle, 'position', 'absolute');
-        this._setImposterStyle(imposterStyle, 'top', `${top}px`);
-        this._setImposterStyle(imposterStyle, 'left', `${left}px`);
-        this._setImposterStyle(imposterStyle, 'margin', '0');
-        this._setImposterStyle(imposterStyle, 'pointer-events', 'auto');
-
-        if (isTextarea) {
-            if (elementStyle.overflow === 'visible') {
-                this._setImposterStyle(imposterStyle, 'overflow', 'auto');
-            }
-        } else {
-            this._setImposterStyle(imposterStyle, 'overflow', 'hidden');
-            this._setImposterStyle(imposterStyle, 'white-space', 'nowrap');
-            this._setImposterStyle(imposterStyle, 'line-height', elementStyle.height);
-        }
-
-        container.appendChild(imposter);
-        body.appendChild(container);
-
-        // Adjust size
-        const imposterRect = imposter.getBoundingClientRect();
-        if (imposterRect.width !== elementRect.width || imposterRect.height !== elementRect.height) {
-            const width = parseFloat(elementStyle.width) + (elementRect.width - imposterRect.width);
-            const height = parseFloat(elementStyle.height) + (elementRect.height - imposterRect.height);
-            this._setImposterStyle(imposterStyle, 'width', `${width}px`);
-            this._setImposterStyle(imposterStyle, 'height', `${height}px`);
-        }
-        if (imposterRect.x !== elementRect.x || imposterRect.y !== elementRect.y) {
-            left += (elementRect.left - imposterRect.left);
-            top += (elementRect.top - imposterRect.top);
-            this._setImposterStyle(imposterStyle, 'left', `${left}px`);
-            this._setImposterStyle(imposterStyle, 'top', `${top}px`);
-        }
-
-        imposter.scrollTop = element.scrollTop;
-        imposter.scrollLeft = element.scrollLeft;
-
-        return [imposter, container];
-    }
-
-    _getElementsFromPoint(x, y, all) {
-        if (all) {
-            // document.elementsFromPoint can return duplicates which must be removed.
-            const elements = document.elementsFromPoint(x, y);
-            return elements.filter((e, i) => elements.indexOf(e) === i);
-        }
-
-        const e = document.elementFromPoint(x, y);
-        return e !== null ? [e] : [];
-    }
-
-    _isPointInRange(x, y, range) {
-        // Require a text node to start
-        if (range.startContainer.nodeType !== Node.TEXT_NODE) {
-            return false;
-        }
-
-        // Scan forward
-        const nodePre = range.endContainer;
-        const offsetPre = range.endOffset;
-        try {
-            const {node, offset, content} = new DOMTextScanner(range.endContainer, range.endOffset, true, false).seek(1);
-            range.setEnd(node, offset);
-
-            if (!this._isWhitespace(content) && DocumentUtil.isPointInAnyRect(x, y, range.getClientRects())) {
-                return true;
-            }
-        } finally {
-            range.setEnd(nodePre, offsetPre);
-        }
-
-        // Scan backward
-        const {node, offset, content} = new DOMTextScanner(range.startContainer, range.startOffset, true, false).seek(-1);
-        range.setStart(node, offset);
-
-        if (!this._isWhitespace(content) && DocumentUtil.isPointInAnyRect(x, y, range.getClientRects())) {
-            // This purposefully leaves the starting offset as modified and sets the range length to 0.
-            range.setEnd(node, offset);
-            return true;
-        }
-
-        // No match
-        return false;
-    }
-
-    _isWhitespace(string) {
-        return string.trim().length === 0;
-    }
-
-    _caretRangeFromPoint(x, y) {
-        if (typeof document.caretRangeFromPoint === 'function') {
-            // Chrome, Edge
-            return document.caretRangeFromPoint(x, y);
-        }
-
-        if (typeof document.caretPositionFromPoint === 'function') {
-            // Firefox
-            return this._caretPositionFromPoint(x, y);
-        }
-
-        // No support
-        return null;
-    }
-
-    _caretPositionFromPoint(x, y) {
-        const position = document.caretPositionFromPoint(x, y);
-        if (position === null) {
-            return null;
-        }
-        const node = position.offsetNode;
-        if (node === null) {
-            return null;
-        }
-
-        const range = document.createRange();
-        const offset = (node.nodeType === Node.TEXT_NODE ? position.offset : 0);
-        try {
-            range.setStart(node, offset);
-            range.setEnd(node, offset);
-        } catch (e) {
-            // Firefox throws new DOMException("The operation is insecure.")
-            // when trying to select a node from within a ShadowRoot.
-            return null;
-        }
-        return range;
-    }
-
-    _caretRangeFromPointExt(x, y, elements) {
-        const modifications = [];
-        try {
-            let i = 0;
-            let startContinerPre = null;
-            while (true) {
-                const range = this._caretRangeFromPoint(x, y);
-                if (range === null) {
-                    return null;
-                }
-
-                const startContainer = range.startContainer;
-                if (startContinerPre !== startContainer) {
-                    if (this._isPointInRange(x, y, range)) {
-                        return range;
-                    }
-                    startContinerPre = startContainer;
-                }
-
-                i = this._disableTransparentElement(elements, i, modifications);
-                if (i < 0) {
-                    return null;
-                }
-            }
-        } finally {
-            if (modifications.length > 0) {
-                this._restoreElementStyleModifications(modifications);
-            }
-        }
-    }
-
-    _disableTransparentElement(elements, i, modifications) {
-        while (true) {
-            if (i >= elements.length) {
-                return -1;
-            }
-
-            const element = elements[i++];
-            if (this._isElementTransparent(element)) {
-                const style = element.hasAttribute('style') ? element.getAttribute('style') : null;
-                modifications.push({element, style});
-                element.style.setProperty('pointer-events', 'none', 'important');
-                return i;
-            }
-        }
-    }
-
-    _restoreElementStyleModifications(modifications) {
-        for (const {element, style} of modifications) {
-            if (style === null) {
-                element.removeAttribute('style');
-            } else {
-                element.setAttribute('style', style);
-            }
-        }
-    }
-
-    _isElementTransparent(element) {
-        if (
-            element === document.body ||
-            element === document.documentElement
-        ) {
-            return false;
-        }
-        const style = window.getComputedStyle(element);
-        return (
-            parseFloat(style.opacity) <= 0 ||
-            style.visibility === 'hidden' ||
-            (style.backgroundImage === 'none' && this._isColorTransparent(style.backgroundColor))
-        );
-    }
-
-    _isColorTransparent(cssColor) {
-        return this._transparentColorPattern.test(cssColor);
-    }
-}