480869c3d1
* Exclude documentElement from zoom calculation * Add an option * Refactor zoom coordinate conversion functions * Convert zoom coordinates for text sources * Rename variable * Convert rect coordinate spaces * Handle shadow DOM
999 lines
36 KiB
JavaScript
999 lines
36 KiB
JavaScript
/*
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* Copyright (C) 2016-2022 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* DocumentUtil
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* FrameClient
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* ThemeController
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* dynamicLoader
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*/
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/**
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* This class is the container which hosts the display of search results.
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*/
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class Popup extends EventDispatcher {
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/**
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* Information about how popup content should be shown, specifically related to the outer popup frame.
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* @typedef {object} ContentDetails
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* @property {?object} optionsContext The options context for the content to show.
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* @property {Rect[]} sourceRects The rectangles of the source content.
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* @property {'horizontal-tb' | 'vertical-rl' | 'vertical-lr' | 'sideways-rl' | 'sideways-lr'} writingMode The normalized CSS writing-mode value of the source content.
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*/
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/**
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* A rectangle representing a DOM region, similar to DOMRect.
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* @typedef {object} Rect
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* @property {number} left The left position of the rectangle.
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* @property {number} top The top position of the rectangle.
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* @property {number} right The right position of the rectangle.
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* @property {number} bottom The bottom position of the rectangle.
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*/
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/**
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* A rectangle representing a DOM region, similar to DOMRect but with a `valid` property.
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* @typedef {object} ValidRect
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* @property {number} left The left position of the rectangle.
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* @property {number} top The top position of the rectangle.
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* @property {number} right The right position of the rectangle.
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* @property {number} bottom The bottom position of the rectangle.
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* @property {boolean} valid Whether or not the rectangle is valid.
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*/
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/**
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* A rectangle representing a DOM region for placing the popup frame.
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* @typedef {object} SizeRect
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* @property {number} left The left position of the rectangle.
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* @property {number} top The top position of the rectangle.
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* @property {number} width The width of the rectangle.
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* @property {number} height The height of the rectangle.
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* @property {boolean} after Whether or not the rectangle is positioned to the right of the source rectangle.
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* @property {boolean} below Whether or not the rectangle is positioned below the source rectangle.
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*/
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/**
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* Creates a new instance.
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* @param {object} details The details used to construct the new instance.
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* @param {string} details.id The ID of the popup.
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* @param {number} details.depth The depth of the popup.
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* @param {number} details.frameId The ID of the host frame.
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* @param {boolean} details.childrenSupported Whether or not the popup is able to show child popups.
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*/
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constructor({
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id,
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depth,
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frameId,
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childrenSupported
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}) {
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super();
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this._id = id;
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this._depth = depth;
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this._frameId = frameId;
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this._childrenSupported = childrenSupported;
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this._parent = null;
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this._child = null;
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this._injectPromise = null;
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this._injectPromiseComplete = false;
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this._visible = new DynamicProperty(false);
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this._visibleValue = false;
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this._optionsContext = null;
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this._contentScale = 1.0;
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this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
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this._optionsAssigned = false;
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this._initialWidth = 400;
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this._initialHeight = 250;
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this._horizontalOffset = 0;
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this._verticalOffset = 10;
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this._horizontalOffset2 = 10;
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this._verticalOffset2 = 0;
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this._verticalTextPosition = 'before';
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this._horizontalTextPositionBelow = true;
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this._displayMode = 'default';
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this._displayModeIsFullWidth = false;
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this._scaleRelativeToVisualViewport = true;
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this._useSecureFrameUrl = true;
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this._useShadowDom = true;
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this._customOuterCss = '';
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this._frameSizeContentScale = null;
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this._frameClient = null;
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this._frame = document.createElement('iframe');
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this._frame.className = 'yomichan-popup';
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this._frame.style.width = '0';
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this._frame.style.height = '0';
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this._container = this._frame;
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this._shadow = null;
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this._themeController = new ThemeController(this._frame);
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this._fullscreenEventListeners = new EventListenerCollection();
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}
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/**
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* The ID of the popup.
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* @type {string}
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*/
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get id() {
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return this._id;
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}
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/**
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* The parent of the popup.
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* @type {Popup}
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*/
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get parent() {
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return this._parent;
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}
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/**
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* Sets the parent popup.
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* @param {Popup} value The parent popup to assign.
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*/
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set parent(value) {
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this._parent = value;
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}
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/**
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* The child of the popup.
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* @type {Popup}
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*/
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get child() {
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return this._child;
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}
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/**
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* Sets the child popup.
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* @param {Popup} value The child popup to assign.
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*/
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set child(value) {
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this._child = value;
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}
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/**
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* The depth of the popup.
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* @type {numer}
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*/
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get depth() {
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return this._depth;
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}
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/**
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* Gets the content window of the frame, which can be `null`
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* depending on the current state of the frame.
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* @type {?Window}
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*/
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get frameContentWindow() {
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return this._frame.contentWindow;
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}
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/**
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* Gets the DOM node that contains the frame.
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* @type {Element}
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*/
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get container() {
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return this._container;
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}
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/**
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* Gets the ID of the frame.
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* @type {number}
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*/
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get frameId() {
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return this._frameId;
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}
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/**
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* Prepares the popup for use.
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*/
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prepare() {
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this._frame.addEventListener('mouseover', this._onFrameMouseOver.bind(this));
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this._frame.addEventListener('mouseout', this._onFrameMouseOut.bind(this));
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this._frame.addEventListener('mousedown', (e) => e.stopPropagation());
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this._frame.addEventListener('scroll', (e) => e.stopPropagation());
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this._frame.addEventListener('load', this._onFrameLoad.bind(this));
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this._visible.on('change', this._onVisibleChange.bind(this));
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yomichan.on('extensionUnloaded', this._onExtensionUnloaded.bind(this));
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this._onVisibleChange({value: this.isVisibleSync()});
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this._themeController.prepare();
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}
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/**
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* Sets the options context for the popup.
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* @param {object} optionsContext The options context object.
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*/
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async setOptionsContext(optionsContext) {
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await this._setOptionsContext(optionsContext);
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await this._invokeSafe('Display.setOptionsContext', {optionsContext});
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}
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/**
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* Hides the popup.
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* @param {boolean} changeFocus Whether or not the parent popup or host frame should be focused.
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*/
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hide(changeFocus) {
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if (!this.isVisibleSync()) {
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return;
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}
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this._setVisible(false);
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if (this._child !== null) {
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this._child.hide(false);
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}
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if (changeFocus) {
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this._focusParent();
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}
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}
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/**
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* Returns whether or not the popup is currently visible.
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* @returns {Promise<boolean>} `true` if the popup is visible, `false` otherwise.
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*/
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async isVisible() {
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return this.isVisibleSync();
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}
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/**
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* Force assigns the visibility of the popup.
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* @param {boolean} value Whether or not the popup should be visible.
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* @param {number} priority The priority of the override.
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* @returns {Promise<string?>} A token used which can be passed to `clearVisibleOverride`,
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* or null if the override wasn't assigned.
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*/
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async setVisibleOverride(value, priority) {
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return this._visible.setOverride(value, priority);
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}
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/**
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* Clears a visibility override that was generated by `setVisibleOverride`.
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* @param {string} token The token returned from `setVisibleOverride`.
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* @returns {Promise<boolean>} `true` if the override existed and was removed, `false` otherwise.
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*/
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async clearVisibleOverride(token) {
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return this._visible.clearOverride(token);
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}
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/**
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* Checks whether a point is contained within the popup's rect.
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* @param {number} x The x coordinate.
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* @param {number} y The y coordinate.
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* @returns {Promise<boolean>} `true` if the point is contained within the popup's rect, `false` otherwise.
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*/
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async containsPoint(x, y) {
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for (let popup = this; popup !== null && popup.isVisibleSync(); popup = popup.child) {
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const rect = popup.getFrameRect();
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if (rect.valid && x >= rect.left && y >= rect.top && x < rect.right && y < rect.bottom) {
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return true;
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}
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}
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return false;
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}
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/**
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* Shows and updates the positioning and content of the popup.
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* @param {ContentDetails} details Settings for the outer popup.
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* @param {Display.ContentDetails} displayDetails The details parameter passed to `Display.setContent`.
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* @returns {Promise<void>}
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*/
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async showContent(details, displayDetails) {
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if (!this._optionsAssigned) { throw new Error('Options not assigned'); }
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const {optionsContext, sourceRects, writingMode} = details;
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if (optionsContext !== null) {
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await this._setOptionsContextIfDifferent(optionsContext);
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}
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await this._show(sourceRects, writingMode);
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if (displayDetails !== null) {
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this._invokeSafe('Display.setContent', {details: displayDetails});
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}
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}
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/**
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* Sets the custom styles for the popup content.
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* @param {string} css The CSS rules.
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*/
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setCustomCss(css) {
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this._invokeSafe('Display.setCustomCss', {css});
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}
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/**
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* Stops the audio auto-play timer, if one has started.
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*/
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clearAutoPlayTimer() {
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this._invokeSafe('Display.clearAutoPlayTimer');
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}
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/**
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* Sets the scaling factor of the popup content.
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* @param {number} scale The scaling factor.
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*/
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setContentScale(scale) {
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this._contentScale = scale;
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this._frame.style.fontSize = `${scale}px`;
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this._invokeSafe('Display.setContentScale', {scale});
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}
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/**
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* Returns whether or not the popup is currently visible, synchronously.
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* @returns {boolean} `true` if the popup is visible, `false` otherwise.
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*/
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isVisibleSync() {
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return this._visible.value;
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}
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/**
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* Updates the outer theme of the popup.
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* @returns {Promise<void>}
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*/
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async updateTheme() {
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this._themeController.updateTheme();
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}
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/**
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* Sets the custom styles for the outer popup container.
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* @param {string} css The CSS rules.
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* @param {boolean} useWebExtensionApi Whether or not web extension APIs should be used to inject the rules.
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* When web extension APIs are used, a DOM node is not generated, making it harder to detect the changes.
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*/
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async setCustomOuterCss(css, useWebExtensionApi) {
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let parentNode = null;
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const inShadow = (this._shadow !== null);
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if (inShadow) {
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useWebExtensionApi = false;
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parentNode = this._shadow;
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}
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const node = await dynamicLoader.loadStyle('yomichan-popup-outer-user-stylesheet', 'code', css, useWebExtensionApi, parentNode);
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this.trigger('customOuterCssChanged', {node, useWebExtensionApi, inShadow});
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}
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/**
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* Gets the rectangle of the DOM frame, synchronously.
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* @returns {ValidRect} The rect.
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* `valid` is `false` for `PopupProxy`, since the DOM node is hosted in a different frame.
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*/
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getFrameRect() {
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const {left, top, right, bottom} = this._getFrameBoundingClientRect();
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return {left, top, right, bottom, valid: true};
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}
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/**
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* Gets the size of the DOM frame.
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* @returns {Promise<{width: number, height: number, valid: boolean}>} The size and whether or not it is valid.
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*/
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async getFrameSize() {
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const {width, height} = this._getFrameBoundingClientRect();
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return {width, height, valid: true};
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}
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/**
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* Sets the size of the DOM frame.
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* @param {number} width The desired width of the popup.
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* @param {number} height The desired height of the popup.
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* @returns {Promise<boolean>} `true` if the size assignment was successful, `false` otherwise.
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*/
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async setFrameSize(width, height) {
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this._setFrameSize(width, height);
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return true;
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}
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// Private functions
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_onFrameMouseOver() {
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this.trigger('framePointerOver', {});
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}
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_onFrameMouseOut() {
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this.trigger('framePointerOut', {});
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}
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_inject() {
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let injectPromise = this._injectPromise;
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if (injectPromise === null) {
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injectPromise = this._injectInner1();
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this._injectPromise = injectPromise;
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injectPromise.then(
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() => {
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if (injectPromise !== this._injectPromise) { return; }
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this._injectPromiseComplete = true;
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},
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() => {}
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);
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}
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return injectPromise;
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}
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async _injectInner1() {
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try {
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await this._injectInner2();
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return true;
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} catch (e) {
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this._resetFrame();
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if (e.source === this) { return false; } // Passive error
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throw e;
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}
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}
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async _injectInner2() {
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if (!this._optionsAssigned) {
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throw new Error('Options not initialized');
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}
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const useSecurePopupFrameUrl = this._useSecureFrameUrl;
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await this._setUpContainer(this._useShadowDom);
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const setupFrame = (frame) => {
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frame.removeAttribute('src');
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frame.removeAttribute('srcdoc');
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this._observeFullscreen(true);
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this._onFullscreenChanged();
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const {contentDocument} = frame;
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if (contentDocument === null) {
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// This can occur when running inside a sandboxed frame without "allow-same-origin"
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const error = new Error('Popup not supoprted in this context');
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error.source = this; // Used to detect a passive error which should be ignored
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throw error;
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}
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const url = chrome.runtime.getURL('/popup.html');
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if (useSecurePopupFrameUrl) {
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contentDocument.location.href = url;
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} else {
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frame.setAttribute('src', url);
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}
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};
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const frameClient = new FrameClient();
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this._frameClient = frameClient;
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await frameClient.connect(this._frame, this._targetOrigin, this._frameId, setupFrame);
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// Configure
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await this._invokeSafe('Display.configure', {
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depth: this._depth,
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parentPopupId: this._id,
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parentFrameId: this._frameId,
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childrenSupported: this._childrenSupported,
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scale: this._contentScale,
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optionsContext: this._optionsContext
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});
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}
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_onFrameLoad() {
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if (!this._injectPromiseComplete) { return; }
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this._resetFrame();
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}
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_resetFrame() {
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const parent = this._container.parentNode;
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if (parent !== null) {
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parent.removeChild(this._container);
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}
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this._frame.removeAttribute('src');
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this._frame.removeAttribute('srcdoc');
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this._frameClient = null;
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this._injectPromise = null;
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this._injectPromiseComplete = false;
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}
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async _setUpContainer(usePopupShadowDom) {
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if (usePopupShadowDom && typeof this._frame.attachShadow === 'function') {
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const container = document.createElement('div');
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container.style.setProperty('all', 'initial', 'important');
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const shadow = container.attachShadow({mode: 'closed', delegatesFocus: true});
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shadow.appendChild(this._frame);
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this._container = container;
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this._shadow = shadow;
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} else {
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const frameParentNode = this._frame.parentNode;
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if (frameParentNode !== null) {
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frameParentNode.removeChild(this._frame);
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}
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this._container = this._frame;
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this._shadow = null;
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}
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await this._injectStyles();
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}
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async _injectStyles() {
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try {
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await this._injectPopupOuterStylesheet();
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} catch (e) {
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// NOP
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}
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try {
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await this.setCustomOuterCss(this._customOuterCss, true);
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} catch (e) {
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// NOP
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}
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}
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async _injectPopupOuterStylesheet() {
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let fileType = 'file';
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let useWebExtensionApi = true;
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let parentNode = null;
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if (this._shadow !== null) {
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fileType = 'file-content';
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useWebExtensionApi = false;
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parentNode = this._shadow;
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}
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await dynamicLoader.loadStyle('yomichan-popup-outer-stylesheet', fileType, '/css/popup-outer.css', useWebExtensionApi, parentNode);
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}
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_observeFullscreen(observe) {
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if (!observe) {
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this._fullscreenEventListeners.removeAllEventListeners();
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return;
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}
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if (this._fullscreenEventListeners.size > 0) {
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// Already observing
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return;
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}
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|
|
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(sourceRects, writingMode) {
|
|
const injected = await this._inject();
|
|
if (!injected) { return; }
|
|
|
|
const viewport = this._getViewport(this._scaleRelativeToVisualViewport);
|
|
let {left, top, width, height, after, below} = this._getPosition(sourceRects, writingMode, viewport);
|
|
|
|
if (this._displayModeIsFullWidth) {
|
|
left = viewport.left;
|
|
top = below ? viewport.bottom - height : viewport.top;
|
|
width = viewport.right - viewport.left;
|
|
}
|
|
|
|
const frame = this._frame;
|
|
frame.dataset.popupDisplayMode = this._displayMode;
|
|
frame.dataset.after = `${after}`;
|
|
frame.dataset.below = `${below}`;
|
|
frame.style.left = `${left}px`;
|
|
frame.style.top = `${top}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}) {
|
|
if (this._visibleValue === value) { return; }
|
|
this._visibleValue = value;
|
|
this._frame.style.setProperty('visibility', value ? 'visible' : 'hidden', 'important');
|
|
this._invokeSafe('Display.visibilityChanged', {value});
|
|
}
|
|
|
|
_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();
|
|
}
|
|
}
|
|
|
|
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 yomichan.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('Display.extensionUnloaded');
|
|
}
|
|
|
|
_getFrameParentElement() {
|
|
let defaultParent = document.body;
|
|
if (defaultParent !== null && defaultParent.tagName.toLowerCase() === 'frameset') {
|
|
defaultParent = document.documentElement;
|
|
}
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Computes the position where the popup should be placed relative to the source content.
|
|
* @param {Rect[]} sourceRects The rectangles of the source content.
|
|
* @param {string} writingMode The CSS writing mode of the source text.
|
|
* @param {Rect} viewport The viewport that the popup can be placed within.
|
|
* @returns {SizeRect} The calculated rectangle for where to position the popup.
|
|
*/
|
|
_getPosition(sourceRects, writingMode, viewport) {
|
|
sourceRects = this._convertSourceRectsCoordinateSpace(sourceRects);
|
|
const contentScale = this._contentScale;
|
|
const scaleRatio = this._frameSizeContentScale === null ? 1.0 : contentScale / this._frameSizeContentScale;
|
|
this._frameSizeContentScale = contentScale;
|
|
const frameRect = this._frame.getBoundingClientRect();
|
|
const frameWidth = Math.max(frameRect.width * scaleRatio, this._initialWidth * contentScale);
|
|
const frameHeight = Math.max(frameRect.height * scaleRatio, this._initialHeight * contentScale);
|
|
|
|
const horizontal = (writingMode === 'horizontal-tb' || this._verticalTextPosition === 'default');
|
|
let preferAfter;
|
|
let horizontalOffset;
|
|
let verticalOffset;
|
|
if (horizontal) {
|
|
preferAfter = this._horizontalTextPositionBelow;
|
|
horizontalOffset = this._horizontalOffset;
|
|
verticalOffset = this._verticalOffset;
|
|
} else {
|
|
preferAfter = this._isVerticalTextPopupOnRight(this._verticalTextPosition, writingMode);
|
|
horizontalOffset = this._horizontalOffset2;
|
|
verticalOffset = this._verticalOffset2;
|
|
}
|
|
horizontalOffset *= contentScale;
|
|
verticalOffset *= contentScale;
|
|
|
|
let best = null;
|
|
const sourceRectsLength = sourceRects.length;
|
|
for (let i = 0, ii = (sourceRectsLength > 1 ? sourceRectsLength : 0); i <= ii; ++i) {
|
|
const sourceRect = i < sourceRectsLength ? sourceRects[i] : this._getBoundingSourceRect(sourceRects);
|
|
const result = (
|
|
horizontal ?
|
|
this._getPositionForHorizontalText(sourceRect, frameWidth, frameHeight, viewport, horizontalOffset, verticalOffset, preferAfter) :
|
|
this._getPositionForVerticalText(sourceRect, frameWidth, frameHeight, viewport, horizontalOffset, verticalOffset, preferAfter)
|
|
);
|
|
if (i < ii && this._isOverlapping(result, sourceRects, i)) { continue; }
|
|
if (best === null || result.height > best.height) {
|
|
best = result;
|
|
if (result.height >= frameHeight) { break; }
|
|
}
|
|
}
|
|
return best;
|
|
}
|
|
|
|
/**
|
|
* Computes the position where the popup should be placed for horizontal text.
|
|
* @param {Rect} sourceRect The rectangle of the source content.
|
|
* @param {number} frameWidth The preferred width of the frame.
|
|
* @param {number} frameHeight The preferred height of the frame.
|
|
* @param {Rect} viewport The viewport that the frame can be placed within.
|
|
* @param {number} horizontalOffset The horizontal offset from the source rect that the popup will be placed.
|
|
* @param {number} verticalOffset The vertical offset from the source rect that the popup will be placed.
|
|
* @param {boolean} preferBelow Whether or not the popup is preferred to be placed below the source content.
|
|
* @returns {SizeRect} The calculated rectangle for where to position the popup.
|
|
*/
|
|
_getPositionForHorizontalText(sourceRect, frameWidth, frameHeight, viewport, horizontalOffset, verticalOffset, preferBelow) {
|
|
const [left, width, after] = this._getConstrainedPosition(
|
|
sourceRect.right - horizontalOffset,
|
|
sourceRect.left + horizontalOffset,
|
|
frameWidth,
|
|
viewport.left,
|
|
viewport.right,
|
|
true
|
|
);
|
|
const [top, height, below] = this._getConstrainedPositionBinary(
|
|
sourceRect.top - verticalOffset,
|
|
sourceRect.bottom + verticalOffset,
|
|
frameHeight,
|
|
viewport.top,
|
|
viewport.bottom,
|
|
preferBelow
|
|
);
|
|
return {left, top, width, height, after, below};
|
|
}
|
|
|
|
/**
|
|
* Computes the position where the popup should be placed for vertical text.
|
|
* @param {Rect} sourceRect The rectangle of the source content.
|
|
* @param {number} frameWidth The preferred width of the frame.
|
|
* @param {number} frameHeight The preferred height of the frame.
|
|
* @param {Rect} viewport The viewport that the frame can be placed within.
|
|
* @param {number} horizontalOffset The horizontal offset from the source rect that the popup will be placed.
|
|
* @param {number} verticalOffset The vertical offset from the source rect that the popup will be placed.
|
|
* @param {boolean} preferRight Whether or not the popup is preferred to be placed to the right of the source content.
|
|
* @returns {SizeRect} The calculated rectangle for where to position the popup.
|
|
*/
|
|
_getPositionForVerticalText(sourceRect, frameWidth, frameHeight, viewport, horizontalOffset, verticalOffset, preferRight) {
|
|
const [left, width, after] = this._getConstrainedPositionBinary(
|
|
sourceRect.left - horizontalOffset,
|
|
sourceRect.right + horizontalOffset,
|
|
frameWidth,
|
|
viewport.left,
|
|
viewport.right,
|
|
preferRight
|
|
);
|
|
const [top, height, below] = this._getConstrainedPosition(
|
|
sourceRect.bottom - verticalOffset,
|
|
sourceRect.top + verticalOffset,
|
|
frameHeight,
|
|
viewport.top,
|
|
viewport.bottom,
|
|
true
|
|
);
|
|
return {left, top, width, height, after, below};
|
|
}
|
|
|
|
_isVerticalTextPopupOnRight(positionPreference, writingMode) {
|
|
switch (positionPreference) {
|
|
case 'before':
|
|
return !this._isWritingModeLeftToRight(writingMode);
|
|
case 'after':
|
|
return this._isWritingModeLeftToRight(writingMode);
|
|
case 'right':
|
|
return true;
|
|
// case 'left':
|
|
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];
|
|
}
|
|
|
|
/**
|
|
* Gets the visual viewport.
|
|
* @param {boolean} useVisualViewport Whether or not the `window.visualViewport` should be used.
|
|
* @returns {Rect} The rectangle of the visual viewport.
|
|
*/
|
|
_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)
|
|
};
|
|
}
|
|
}
|
|
|
|
return {
|
|
left: 0,
|
|
top: 0,
|
|
right: window.innerWidth,
|
|
bottom: window.innerHeight
|
|
};
|
|
}
|
|
|
|
async _setOptionsContext(optionsContext) {
|
|
this._optionsContext = optionsContext;
|
|
const options = await yomichan.api.optionsGet(optionsContext);
|
|
const {general} = options;
|
|
this._themeController.theme = general.popupTheme;
|
|
this._themeController.outerTheme = general.popupOuterTheme;
|
|
this._initialWidth = general.popupWidth;
|
|
this._initialHeight = general.popupHeight;
|
|
this._horizontalOffset = general.popupHorizontalOffset;
|
|
this._verticalOffset = general.popupVerticalOffset;
|
|
this._horizontalOffset2 = general.popupHorizontalOffset2;
|
|
this._verticalOffset2 = general.popupVerticalOffset2;
|
|
this._verticalTextPosition = general.popupVerticalTextPosition;
|
|
this._horizontalTextPositionBelow = (general.popupHorizontalTextPosition === 'below');
|
|
this._displayMode = general.popupDisplayMode;
|
|
this._displayModeIsFullWidth = (this._displayMode === 'full-width');
|
|
this._scaleRelativeToVisualViewport = general.popupScaleRelativeToVisualViewport;
|
|
this._useSecureFrameUrl = general.useSecurePopupFrameUrl;
|
|
this._useShadowDom = general.usePopupShadowDom;
|
|
this._customOuterCss = general.customPopupOuterCss;
|
|
this._optionsAssigned = true;
|
|
this.updateTheme();
|
|
}
|
|
|
|
async _setOptionsContextIfDifferent(optionsContext) {
|
|
if (deepEqual(this._optionsContext, optionsContext)) { return; }
|
|
await this._setOptionsContext(optionsContext);
|
|
}
|
|
|
|
/**
|
|
* Computes the bounding rectangle for a set of rectangles.
|
|
* @param {Rect[]} sourceRects An array of rectangles.
|
|
* @returns {Rect} The bounding rectangle for all of the source rectangles.
|
|
*/
|
|
_getBoundingSourceRect(sourceRects) {
|
|
switch (sourceRects.length) {
|
|
case 0: return {left: 0, top: 0, right: 0, bottom: 0};
|
|
case 1: return sourceRects[0];
|
|
}
|
|
let {left, top, right, bottom} = sourceRects[0];
|
|
for (let i = 1, ii = sourceRects.length; i < ii; ++i) {
|
|
const sourceRect = sourceRects[i];
|
|
left = Math.min(left, sourceRect.left);
|
|
top = Math.min(top, sourceRect.top);
|
|
right = Math.max(right, sourceRect.right);
|
|
bottom = Math.max(bottom, sourceRect.bottom);
|
|
}
|
|
return {left, top, right, bottom};
|
|
}
|
|
|
|
/**
|
|
* Checks whether or not a rectangle is overlapping any other rectangles.
|
|
* @param {SizeRect} sizeRect The rectangles to check for overlaps.
|
|
* @param {Rect[]} sourceRects The list of rectangles to compare against.
|
|
* @param {number} ignoreIndex The index of an item in `sourceRects` to ignore.
|
|
* @returns {boolean} `true` if `sizeRect` overlaps any one of `sourceRects`, excluding `sourceRects[ignoreIndex]`; `false` otherwise.
|
|
*/
|
|
_isOverlapping(sizeRect, sourceRects, ignoreIndex) {
|
|
const {left, top} = sizeRect;
|
|
const right = left + sizeRect.width;
|
|
const bottom = top + sizeRect.height;
|
|
for (let i = 0, ii = sourceRects.length; i < ii; ++i) {
|
|
if (i === ignoreIndex) { continue; }
|
|
const sourceRect = sourceRects[i];
|
|
if (
|
|
left < sourceRect.right &&
|
|
right > sourceRect.left &&
|
|
top < sourceRect.bottom &&
|
|
bottom > sourceRect.top
|
|
) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the bounding client rect for the frame element, with a coordinate conversion applied.
|
|
* @returns {DOMRect} The rectangle of the frame.
|
|
*/
|
|
_getFrameBoundingClientRect() {
|
|
return DocumentUtil.convertRectZoomCoordinates(this._frame.getBoundingClientRect(), this._container);
|
|
}
|
|
|
|
/**
|
|
* Converts the coordinate space of source rectangles.
|
|
* @param {Rect[]} sourceRects The list of rectangles to convert.
|
|
* @returns {Rect[]} Either an updated list of rectangles, or `sourceRects` if no change is required.
|
|
*/
|
|
_convertSourceRectsCoordinateSpace(sourceRects) {
|
|
let scale = DocumentUtil.computeZoomScale(this._container);
|
|
if (scale === 1) { return sourceRects; }
|
|
scale = 1 / scale;
|
|
const sourceRects2 = [];
|
|
for (const rect of sourceRects) {
|
|
sourceRects2.push(this._createScaledRect(rect, scale));
|
|
}
|
|
return sourceRects2;
|
|
}
|
|
|
|
/**
|
|
* Creates a scaled rectangle.
|
|
* @param {Rect} rect The rectangle to scale.
|
|
* @param {number} scale The scale factor.
|
|
* @returns {Rect} A new rectangle which has been scaled.
|
|
*/
|
|
_createScaledRect(rect, scale) {
|
|
return {
|
|
left: rect.left * scale,
|
|
top: rect.top * scale,
|
|
right: rect.right * scale,
|
|
bottom: rect.bottom * scale
|
|
};
|
|
}
|
|
}
|