Move fg/js (#1384)

* Move fg/js/frame-ancestry-handler.js to js/comm/frame-ancestry-handler.js

* Move fg/js/frame-offset-forwarder.js to js/comm/frame-offset-forwarder.js

* Move fg/js/dom-text-scanner.js to js/dom/dom-text-scanner.js

* Move fg/js/text-source-element.js to js/dom/text-source-element.js

* Move fg/js/text-source-range.js to js/dom/text-source-range.js

* Move fg/js/float-main.js to js/display/popup-main.js

* Move fg/js/content-script-main.js to js/app/content-script-main.js

* Move fg/js/frontend.js to js/app/frontend.js

* Move fg/js/popup-factory.js to js/app/popup-factory.js

* Move fg/js/popup-proxy.js to js/app/popup-proxy.js

* Move fg/js/popup-window.js to js/app/popup-window.js

* Move fg/js/popup.js to js/app/popup.js

1 files changed, 0 insertions, 687 deletions

diff --git a/ext/fg/js/popup.js b/ext/fg/js/popup.js
deleted file mode 100644
index 75b74257..00000000
--- a/ext/fg/js/popup.js
+++ /dev/null
@@ -1,687 +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
- * DocumentUtil
- * FrameClient
- * api
- * dynamicLoader
- */
-
-class Popup extends EventDispatcher {
-    constructor({
-        id,
-        depth,
-        frameId,
-        childrenSupported
-    }) {
-        super();
-        this._id = id;
-        this._depth = depth;
-        this._frameId = frameId;
-        this._childrenSupported = childrenSupported;
-        this._parent = null;
-        this._child = null;
-        this._injectPromise = null;
-        this._injectPromiseComplete = false;
-        this._visible = new DynamicProperty(false);
-        this._options = null;
-        this._optionsContext = null;
-        this._contentScale = 1.0;
-        this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
-
-        this._frameSizeContentScale = null;
-        this._frameClient = null;
-        this._frame = document.createElement('iframe');
-        this._frame.className = 'yomichan-popup';
-        this._frame.style.width = '0';
-        this._frame.style.height = '0';
-
-        this._container = this._frame;
-        this._shadow = null;
-
-        this._fullscreenEventListeners = new EventListenerCollection();
-    }
-
-    // Public properties
-
-    get id() {
-        return this._id;
-    }
-
-    get parent() {
-        return this._parent;
-    }
-
-    set parent(value) {
-        this._parent = value;
-    }
-
-    get child() {
-        return this._child;
-    }
-
-    set child(value) {
-        this._child = value;
-    }
-
-    get depth() {
-        return this._depth;
-    }
-
-    get frameContentWindow() {
-        return this._frame.contentWindow;
-    }
-
-    get container() {
-        return this._container;
-    }
-
-    get frameId() {
-        return this._frameId;
-    }
-
-    // Public functions
-
-    prepare() {
-        this._frame.addEventListener('mouseover', this._onFrameMouseOver.bind(this));
-        this._frame.addEventListener('mouseout', this._onFrameMouseOut.bind(this));
-        this._frame.addEventListener('mousedown', (e) => e.stopPropagation());
-        this._frame.addEventListener('scroll', (e) => e.stopPropagation());
-        this._frame.addEventListener('load', this._onFrameLoad.bind(this));
-        this._visible.on('change', this._onVisibleChange.bind(this));
-        yomichan.on('extensionUnloaded', this._onExtensionUnloaded.bind(this));
-        this._onVisibleChange({value: this.isVisibleSync()});
-    }
-
-    async setOptionsContext(optionsContext) {
-        await this._setOptionsContext(optionsContext);
-        await this._invokeSafe('setOptionsContext', {optionsContext});
-    }
-
-    hide(changeFocus) {
-        if (!this.isVisibleSync()) {
-            return;
-        }
-
-        this._setVisible(false);
-        if (this._child !== null) {
-            this._child.hide(false);
-        }
-        if (changeFocus) {
-            this._focusParent();
-        }
-    }
-
-    async isVisible() {
-        return this.isVisibleSync();
-    }
-
-    async setVisibleOverride(value, priority) {
-        return this._visible.setOverride(value, priority);
-    }
-
-    async clearVisibleOverride(token) {
-        return this._visible.clearOverride(token);
-    }
-
-    async containsPoint(x, y) {
-        for (let popup = this; popup !== null && popup.isVisibleSync(); popup = popup.child) {
-            const rect = popup.getFrameRect();
-            if (x >= rect.left && y >= rect.top && x < rect.right && y < rect.bottom) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    async showContent(details, displayDetails) {
-        if (this._options === null) { throw new Error('Options not assigned'); }
-
-        const {optionsContext, elementRect, writingMode} = details;
-        if (optionsContext !== null) {
-            await this._setOptionsContextIfDifferent(optionsContext);
-        }
-
-        if (typeof elementRect !== 'undefined' && typeof writingMode !== 'undefined') {
-            await this._show(elementRect, writingMode);
-        }
-
-        if (displayDetails !== null) {
-            this._invokeSafe('setContent', {details: displayDetails});
-        }
-    }
-
-    setCustomCss(css) {
-        this._invokeSafe('setCustomCss', {css});
-    }
-
-    clearAutoPlayTimer() {
-        this._invokeSafe('clearAutoPlayTimer');
-    }
-
-    setContentScale(scale) {
-        this._contentScale = scale;
-        this._frame.style.fontSize = `${scale}px`;
-        this._invokeSafe('setContentScale', {scale});
-    }
-
-    isVisibleSync() {
-        return this._visible.value;
-    }
-
-    updateTheme() {
-        const {popupTheme, popupOuterTheme} = this._options.general;
-        this._frame.dataset.theme = popupTheme;
-        this._frame.dataset.outerTheme = popupOuterTheme;
-        this._frame.dataset.siteColor = this._getSiteColor();
-    }
-
-    async setCustomOuterCss(css, useWebExtensionApi) {
-        let parentNode = null;
-        const inShadow = (this._shadow !== null);
-        if (inShadow) {
-            useWebExtensionApi = false;
-            parentNode = this._shadow;
-        }
-        const node = await dynamicLoader.loadStyle('yomichan-popup-outer-user-stylesheet', 'code', css, useWebExtensionApi, parentNode);
-        this.trigger('customOuterCssChanged', {node, useWebExtensionApi, inShadow});
-    }
-
-    getFrameRect() {
-        return this._frame.getBoundingClientRect();
-    }
-
-    async getFrameSize() {
-        const rect = this._frame.getBoundingClientRect();
-        return {width: rect.width, height: rect.height, valid: true};
-    }
-
-    async setFrameSize(width, height) {
-        this._setFrameSize(width, height);
-        return true;
-    }
-
-    // Private functions
-
-    _onFrameMouseOver() {
-        this.trigger('framePointerOver', {});
-    }
-
-    _onFrameMouseOut() {
-        this.trigger('framePointerOut', {});
-    }
-
-    _inject() {
-        let injectPromise = this._injectPromise;
-        if (injectPromise === null) {
-            injectPromise = this._createInjectPromise();
-            this._injectPromise = injectPromise;
-            injectPromise.then(
-                () => {
-                    if (injectPromise !== this._injectPromise) { return; }
-                    this._injectPromiseComplete = true;
-                },
-                () => { this._resetFrame(); }
-            );
-        }
-        return injectPromise;
-    }
-
-    async _createInjectPromise() {
-        if (this._options === null) {
-            throw new Error('Options not initialized');
-        }
-
-        const {useSecurePopupFrameUrl, usePopupShadowDom} = this._options.general;
-
-        await this._setUpContainer(usePopupShadowDom);
-
-        const setupFrame = (frame) => {
-            frame.removeAttribute('src');
-            frame.removeAttribute('srcdoc');
-            this._observeFullscreen(true);
-            this._onFullscreenChanged();
-            const url = chrome.runtime.getURL('/popup.html');
-            if (useSecurePopupFrameUrl) {
-                frame.contentDocument.location.href = url;
-            } else {
-                frame.setAttribute('src', url);
-            }
-        };
-
-        const frameClient = new FrameClient();
-        this._frameClient = frameClient;
-        await frameClient.connect(this._frame, this._targetOrigin, this._frameId, setupFrame);
-
-        // Configure
-        await this._invokeSafe('configure', {
-            depth: this._depth,
-            parentPopupId: this._id,
-            parentFrameId: this._frameId,
-            childrenSupported: this._childrenSupported,
-            scale: this._contentScale,
-            optionsContext: this._optionsContext
-        });
-    }
-
-    _onFrameLoad() {
-        if (!this._injectPromiseComplete) { return; }
-        this._resetFrame();
-    }
-
-    _resetFrame() {
-        const parent = this._container.parentNode;
-        if (parent !== null) {
-            parent.removeChild(this._container);
-        }
-        this._frame.removeAttribute('src');
-        this._frame.removeAttribute('srcdoc');
-
-        this._frameClient = null;
-        this._injectPromise = null;
-        this._injectPromiseComplete = false;
-    }
-
-    async _setUpContainer(usePopupShadowDom) {
-        if (usePopupShadowDom && typeof this._frame.attachShadow === 'function') {
-            const container = document.createElement('div');
-            container.style.setProperty('all', 'initial', 'important');
-            const shadow = container.attachShadow({mode: 'closed', delegatesFocus: true});
-            shadow.appendChild(this._frame);
-
-            this._container = container;
-            this._shadow = shadow;
-        } else {
-            const frameParentNode = this._frame.parentNode;
-            if (frameParentNode !== null) {
-                frameParentNode.removeChild(this._frame);
-            }
-
-            this._container = this._frame;
-            this._shadow = null;
-        }
-
-        await this._injectStyles();
-    }
-
-    async _injectStyles() {
-        try {
-            await this._injectPopupOuterStylesheet();
-        } catch (e) {
-            // NOP
-        }
-
-        try {
-            await this.setCustomOuterCss(this._options.general.customPopupOuterCss, true);
-        } catch (e) {
-            // NOP
-        }
-    }
-
-    async _injectPopupOuterStylesheet() {
-        let fileType = 'file';
-        let useWebExtensionApi = true;
-        let parentNode = null;
-        if (this._shadow !== null) {
-            fileType = 'file-content';
-            useWebExtensionApi = false;
-            parentNode = this._shadow;
-        }
-        await dynamicLoader.loadStyle('yomichan-popup-outer-stylesheet', fileType, '/css/popup-outer.css', useWebExtensionApi, parentNode);
-    }
-
-    _observeFullscreen(observe) {
-        if (!observe) {
-            this._fullscreenEventListeners.removeAllEventListeners();
-            return;
-        }
-
-        if (this._fullscreenEventListeners.size > 0) {
-            // Already observing
-            return;
-        }
-
-        DocumentUtil.addFullscreenChangeEventListener(this._onFullscreenChanged.bind(this), this._fullscreenEventListeners);
-    }
-
-    _onFullscreenChanged() {
-        const parent = this._getFrameParentElement();
-        if (parent !== null && this._container.parentNode !== parent) {
-            parent.appendChild(this._container);
-        }
-    }
-
-    async _show(elementRect, writingMode) {
-        await this._inject();
-
-        const optionsGeneral = this._options.general;
-        const {popupDisplayMode} = optionsGeneral;
-        const frame = this._frame;
-        const frameRect = frame.getBoundingClientRect();
-
-        const viewport = this._getViewport(optionsGeneral.popupScaleRelativeToVisualViewport);
-        const scale = this._contentScale;
-        const scaleRatio = this._frameSizeContentScale === null ? 1.0 : scale / this._frameSizeContentScale;
-        this._frameSizeContentScale = scale;
-        const getPositionArgs = [
-            elementRect,
-            Math.max(frameRect.width * scaleRatio, optionsGeneral.popupWidth * scale),
-            Math.max(frameRect.height * scaleRatio, optionsGeneral.popupHeight * scale),
-            viewport,
-            scale,
-            optionsGeneral,
-            writingMode
-        ];
-        let [x, y, width, height, below] = (
-            writingMode === 'horizontal-tb' || optionsGeneral.popupVerticalTextPosition === 'default' ?
-            this._getPositionForHorizontalText(...getPositionArgs) :
-            this._getPositionForVerticalText(...getPositionArgs)
-        );
-
-        frame.dataset.popupDisplayMode = popupDisplayMode;
-        frame.dataset.below = `${below}`;
-
-        if (popupDisplayMode === 'full-width') {
-            x = viewport.left;
-            y = below ? viewport.bottom - height : viewport.top;
-            width = viewport.right - viewport.left;
-        }
-
-        frame.style.left = `${x}px`;
-        frame.style.top = `${y}px`;
-        this._setFrameSize(width, height);
-
-        this._setVisible(true);
-        if (this._child !== null) {
-            this._child.hide(true);
-        }
-    }
-
-    _setFrameSize(width, height) {
-        const {style} = this._frame;
-        style.width = `${width}px`;
-        style.height = `${height}px`;
-    }
-
-    _setVisible(visible) {
-        this._visible.defaultValue = visible;
-    }
-
-    _onVisibleChange({value}) {
-        this._frame.style.setProperty('visibility', value ? 'visible' : 'hidden', 'important');
-    }
-
-    _focusParent() {
-        if (this._parent !== null) {
-            // Chrome doesn't like focusing iframe without contentWindow.
-            const contentWindow = this._parent.frameContentWindow;
-            if (contentWindow !== null) {
-                contentWindow.focus();
-            }
-        } else {
-            // Firefox doesn't like focusing window without first blurring the iframe.
-            // this._frame.contentWindow.blur() doesn't work on Firefox for some reason.
-            this._frame.blur();
-            // This is needed for Chrome.
-            window.focus();
-        }
-    }
-
-    _getSiteColor() {
-        const color = [255, 255, 255];
-        const {documentElement, body} = document;
-        if (documentElement !== null) {
-            this._addColor(color, window.getComputedStyle(documentElement).backgroundColor);
-        }
-        if (body !== null) {
-            this._addColor(color, window.getComputedStyle(body).backgroundColor);
-        }
-        const dark = (color[0] < 128 && color[1] < 128 && color[2] < 128);
-        return dark ? 'dark' : 'light';
-    }
-
-    async _invoke(action, params={}) {
-        const contentWindow = this._frame.contentWindow;
-        if (this._frameClient === null || !this._frameClient.isConnected() || contentWindow === null) { return; }
-
-        const message = this._frameClient.createMessage({action, params});
-        return await api.crossFrame.invoke(this._frameClient.frameId, 'popupMessage', message);
-    }
-
-    async _invokeSafe(action, params={}, defaultReturnValue) {
-        try {
-            return await this._invoke(action, params);
-        } catch (e) {
-            if (!yomichan.isExtensionUnloaded) { throw e; }
-            return defaultReturnValue;
-        }
-    }
-
-    _invokeWindow(action, params={}) {
-        const contentWindow = this._frame.contentWindow;
-        if (this._frameClient === null || !this._frameClient.isConnected() || contentWindow === null) { return; }
-
-        const message = this._frameClient.createMessage({action, params});
-        contentWindow.postMessage(message, this._targetOrigin);
-    }
-
-    _onExtensionUnloaded() {
-        this._invokeWindow('extensionUnloaded');
-    }
-
-    _getFrameParentElement() {
-        const defaultParent = document.body;
-        const fullscreenElement = DocumentUtil.getFullscreenElement();
-        if (
-            fullscreenElement === null ||
-            fullscreenElement.shadowRoot ||
-            fullscreenElement.openOrClosedShadowRoot // Available to Firefox 63+ for WebExtensions
-        ) {
-            return defaultParent;
-        }
-
-        switch (fullscreenElement.nodeName.toUpperCase()) {
-            case 'IFRAME':
-            case 'FRAME':
-                return defaultParent;
-        }
-
-        return fullscreenElement;
-    }
-
-    _getPositionForHorizontalText(elementRect, width, height, viewport, offsetScale, optionsGeneral) {
-        const preferBelow = (optionsGeneral.popupHorizontalTextPosition === 'below');
-        const horizontalOffset = optionsGeneral.popupHorizontalOffset * offsetScale;
-        const verticalOffset = optionsGeneral.popupVerticalOffset * offsetScale;
-
-        const [x, w] = this._getConstrainedPosition(
-            elementRect.right - horizontalOffset,
-            elementRect.left + horizontalOffset,
-            width,
-            viewport.left,
-            viewport.right,
-            true
-        );
-        const [y, h, below] = this._getConstrainedPositionBinary(
-            elementRect.top - verticalOffset,
-            elementRect.bottom + verticalOffset,
-            height,
-            viewport.top,
-            viewport.bottom,
-            preferBelow
-        );
-        return [x, y, w, h, below];
-    }
-
-    _getPositionForVerticalText(elementRect, width, height, viewport, offsetScale, optionsGeneral, writingMode) {
-        const preferRight = this._isVerticalTextPopupOnRight(optionsGeneral.popupVerticalTextPosition, writingMode);
-        const horizontalOffset = optionsGeneral.popupHorizontalOffset2 * offsetScale;
-        const verticalOffset = optionsGeneral.popupVerticalOffset2 * offsetScale;
-
-        const [x, w] = this._getConstrainedPositionBinary(
-            elementRect.left - horizontalOffset,
-            elementRect.right + horizontalOffset,
-            width,
-            viewport.left,
-            viewport.right,
-            preferRight
-        );
-        const [y, h, below] = this._getConstrainedPosition(
-            elementRect.bottom - verticalOffset,
-            elementRect.top + verticalOffset,
-            height,
-            viewport.top,
-            viewport.bottom,
-            true
-        );
-        return [x, y, w, h, below];
-    }
-
-    _isVerticalTextPopupOnRight(positionPreference, writingMode) {
-        switch (positionPreference) {
-            case 'before':
-                return !this._isWritingModeLeftToRight(writingMode);
-            case 'after':
-                return this._isWritingModeLeftToRight(writingMode);
-            case 'left':
-                return false;
-            case 'right':
-                return true;
-            default:
-                return false;
-        }
-    }
-
-    _isWritingModeLeftToRight(writingMode) {
-        switch (writingMode) {
-            case 'vertical-lr':
-            case 'sideways-lr':
-                return true;
-            default:
-                return false;
-        }
-    }
-
-    _getConstrainedPosition(positionBefore, positionAfter, size, minLimit, maxLimit, after) {
-        size = Math.min(size, maxLimit - minLimit);
-
-        let position;
-        if (after) {
-            position = Math.max(minLimit, positionAfter);
-            position = position - Math.max(0, (position + size) - maxLimit);
-        } else {
-            position = Math.min(maxLimit, positionBefore) - size;
-            position = position + Math.max(0, minLimit - position);
-        }
-
-        return [position, size, after];
-    }
-
-    _getConstrainedPositionBinary(positionBefore, positionAfter, size, minLimit, maxLimit, after) {
-        const overflowBefore = minLimit - (positionBefore - size);
-        const overflowAfter = (positionAfter + size) - maxLimit;
-
-        if (overflowAfter > 0 || overflowBefore > 0) {
-            after = (overflowAfter < overflowBefore);
-        }
-
-        let position;
-        if (after) {
-            size -= Math.max(0, overflowAfter);
-            position = Math.max(minLimit, positionAfter);
-        } else {
-            size -= Math.max(0, overflowBefore);
-            position = Math.min(maxLimit, positionBefore) - size;
-        }
-
-        return [position, size, after];
-    }
-
-    _addColor(target, cssColor) {
-        if (typeof cssColor !== 'string') { return; }
-
-        const color = this._getColorInfo(cssColor);
-        if (color === null) { return; }
-
-        const a = color[3];
-        if (a <= 0.0) { return; }
-
-        const aInv = 1.0 - a;
-        for (let i = 0; i < 3; ++i) {
-            target[i] = target[i] * aInv + color[i] * a;
-        }
-    }
-
-    _getColorInfo(cssColor) {
-        const m = /^\s*rgba?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*([\d.]+)\s*)?\)\s*$/.exec(cssColor);
-        if (m === null) { return null; }
-
-        const m4 = m[4];
-        return [
-            Number.parseInt(m[1], 10),
-            Number.parseInt(m[2], 10),
-            Number.parseInt(m[3], 10),
-            m4 ? Math.max(0.0, Math.min(1.0, Number.parseFloat(m4))) : 1.0
-        ];
-    }
-
-    _getViewport(useVisualViewport) {
-        const visualViewport = window.visualViewport;
-        if (visualViewport !== null && typeof visualViewport === 'object') {
-            const left = visualViewport.offsetLeft;
-            const top = visualViewport.offsetTop;
-            const width = visualViewport.width;
-            const height = visualViewport.height;
-            if (useVisualViewport) {
-                return {
-                    left,
-                    top,
-                    right: left + width,
-                    bottom: top + height
-                };
-            } else {
-                const scale = visualViewport.scale;
-                return {
-                    left: 0,
-                    top: 0,
-                    right: Math.max(left + width, width * scale),
-                    bottom: Math.max(top + height, height * scale)
-                };
-            }
-        }
-
-        const body = document.body;
-        return {
-            left: 0,
-            top: 0,
-            right: (body !== null ? body.clientWidth : 0),
-            bottom: window.innerHeight
-        };
-    }
-
-    async _setOptionsContext(optionsContext) {
-        this._optionsContext = optionsContext;
-        this._options = await api.optionsGet(optionsContext);
-        this.updateTheme();
-    }
-
-    async _setOptionsContextIfDifferent(optionsContext) {
-        if (deepEqual(this._optionsContext, optionsContext)) { return; }
-        await this._setOptionsContext(optionsContext);
-    }
-}