005f9658d9
* Disambiguate PopupFactory action handlers * Update HotkeyHandler action names * Disambiguate Frontend action handlers * Disambiguate Display action handlers * Disambiguate PopupPreviewFrame action handlers * Disambiguate Yomichan action handlers * Disambiguate Frontend action handlers * Disambiguate Display action handlers * Disambiguate SearchDisplayController action handlers
286 lines
8.6 KiB
JavaScript
286 lines
8.6 KiB
JavaScript
/*
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* Copyright (C) 2020-2021 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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/**
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* This class represents a popup that is hosted in a new native window.
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*/
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class PopupWindow extends EventDispatcher {
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/**
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* Creates a new instance.
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* @param {object} details
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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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*/
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constructor({
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id,
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depth,
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frameId
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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._popupTabId = null;
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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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get parent() {
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return null;
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}
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/**
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* The parent of the popup, which is always `null` for `PopupWindow` instances,
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* since any potential parent popups are in a different frame.
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* @param {Popup} value
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* @type {Popup}
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*/
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set parent(value) {
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throw new Error('Not supported on PopupWindow');
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}
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/**
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* The popup child popup, which is always null for `PopupWindow` instances,
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* since any potential child popups are in a different frame.
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* @type {Popup}
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*/
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get child() {
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return null;
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}
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/**
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* Attempts to set the child popup.
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* @param {Popup} value
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* @throws Throws an error, since this class doesn't support children.
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*/
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set child(value) {
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throw new Error('Not supported on PopupWindow');
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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. This value is null,
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* since the window is hosted in a different frame.
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* @type {Window}
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*/
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get frameContentWindow() {
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return null;
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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 null;
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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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* Sets the options context for the popup.
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* @param {object} optionsContext The options context object.
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* @returns {Promise<void>}
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*/
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setOptionsContext(optionsContext) {
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return this._invoke(false, 'Display.setOptionsContext', {id: this._id, optionsContext});
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}
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/**
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* Hides the popup. This does nothing for `PopupWindow`.
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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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// NOP
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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._popupTabId !== null && await yomichan.api.isTabSearchPopup(this._popupTabId));
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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 null;
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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 {boolean} `true` if the override existed and was removed, `false` otherwise.
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*/
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clearVisibleOverride(_token) {
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return false;
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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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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 {{optionsContext: object, elementRect: {x: number, y: number, width: number, height: number}, writingMode: string}} details Settings for the outer popup.
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* @param {object} displayDetails The details parameter passed to `Display.setContent`; see that function for details.
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* @returns {Promise<void>}
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*/
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async showContent(_details, displayDetails) {
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if (displayDetails === null) { return; }
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await this._invoke(true, 'Display.setContent', {id: this._id, details: displayDetails});
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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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return this._invoke(false, 'Display.setCustomCss', {id: this._id, 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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return this._invoke(false, 'Display.clearAutoPlayTimer', {id: this._id});
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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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// NOP
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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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* @throws An exception is thrown for `PopupWindow` since it cannot synchronously detect visibility.
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*/
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isVisibleSync() {
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throw new Error('Not supported on PopupWindow');
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}
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/**
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* Updates the outer theme of the popup.
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*/
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updateTheme() {
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// NOP
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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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* This does nothing for `PopupWindow`.
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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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// NOP
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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 {{x: number, y: number, width: number, height: number, valid: boolean}} 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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return {x: 0, y: 0, width: 0, height: 0, valid: false};
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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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return {width: 0, height: 0, valid: false};
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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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return false;
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}
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// Private
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async _invoke(open, action, params={}, defaultReturnValue) {
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if (yomichan.isExtensionUnloaded) {
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return defaultReturnValue;
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}
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const frameId = 0;
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if (this._popupTabId !== null) {
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try {
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return await yomichan.crossFrame.invokeTab(this._popupTabId, frameId, 'popupMessage', {action, params});
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} catch (e) {
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if (yomichan.isExtensionUnloaded) {
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open = false;
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}
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}
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this._popupTabId = null;
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}
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if (!open) {
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return defaultReturnValue;
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}
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const {tabId} = await yomichan.api.getOrCreateSearchPopup({focus: 'ifCreated'});
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this._popupTabId = tabId;
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return await yomichan.crossFrame.invokeTab(this._popupTabId, frameId, 'popupMessage', {action, params});
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}
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}
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