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