/* * Copyright (C) 2019 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * 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 <http://www.gnu.org/licenses/>. */ class PopupProxyHost { constructor() { this.popups = {}; this.nextId = 0; this.apiReceiver = null; this.frameIdPromise = null; } static create() { const popupProxyHost = new PopupProxyHost(); popupProxyHost.prepare(); return popupProxyHost; } async prepare() { this.frameIdPromise = apiFrameInformationGet(); const {frameId} = await this.frameIdPromise; if (typeof frameId !== 'number') { return; } this.apiReceiver = new FrontendApiReceiver(`popup-proxy-host#${frameId}`, { createNestedPopup: ({parentId}) => this.createNestedPopup(parentId), setOptions: ({id, options}) => this.setOptions(id, options), hide: ({id, changeFocus}) => this.hide(id, changeFocus), isVisibleAsync: ({id}) => this.isVisibleAsync(id), setVisibleOverride: ({id, visible}) => this.setVisibleOverride(id, visible), containsPoint: ({id, x, y}) => this.containsPoint(id, x, y), showContent: ({id, elementRect, writingMode, type, details}) => this.showContent(id, elementRect, writingMode, type, details), setCustomCss: ({id, css}) => this.setCustomCss(id, css), clearAutoPlayTimer: ({id}) => this.clearAutoPlayTimer(id) }); } createPopup(parentId, depth) { const parent = (typeof parentId === 'string' && this.popups.hasOwnProperty(parentId) ? this.popups[parentId] : null); const id = `${this.nextId}`; if (parent !== null) { depth = parent.depth + 1; } ++this.nextId; const popup = new Popup(id, depth, this.frameIdPromise); if (parent !== null) { popup.parent = parent; parent.child = popup; } this.popups[id] = popup; return popup; } async createNestedPopup(parentId) { return this.createPopup(parentId, 0).id; } getPopup(id) { if (!this.popups.hasOwnProperty(id)) { throw new Error('Invalid popup ID'); } return this.popups[id]; } jsonRectToDOMRect(popup, jsonRect) { let x = jsonRect.x; let y = jsonRect.y; if (popup.parent !== null) { const popupRect = popup.parent.container.getBoundingClientRect(); x += popupRect.x; y += popupRect.y; } return new DOMRect(x, y, jsonRect.width, jsonRect.height); } async setOptions(id, options) { const popup = this.getPopup(id); return await popup.setOptions(options); } async hide(id, changeFocus) { const popup = this.getPopup(id); return popup.hide(changeFocus); } async isVisibleAsync(id) { const popup = this.getPopup(id); return await popup.isVisibleAsync(); } async setVisibleOverride(id, visible) { const popup = this.getPopup(id); return await popup.setVisibleOverride(visible); } async containsPoint(id, x, y) { const popup = this.getPopup(id); return await popup.containsPoint(x, y); } async showContent(id, elementRect, writingMode, type, details) { const popup = this.getPopup(id); elementRect = this.jsonRectToDOMRect(popup, elementRect); if (!PopupProxyHost.popupCanShow(popup)) { return Promise.resolve(false); } return await popup.showContent(elementRect, writingMode, type, details); } async setCustomCss(id, css) { const popup = this.getPopup(id); return popup.setCustomCss(css); } async clearAutoPlayTimer(id) { const popup = this.getPopup(id); return popup.clearAutoPlayTimer(); } static popupCanShow(popup) { return popup.parent === null || popup.parent.isVisible(); } } PopupProxyHost.instance = PopupProxyHost.create();