101 lines
2.6 KiB
TypeScript
101 lines
2.6 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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* Fluxer 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {Logger} from '@app/lib/Logger';
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import {makeAutoObservable} from 'mobx';
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const logger = new Logger('WindowStore');
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interface WindowSize {
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width: number;
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height: number;
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}
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const getWindowSize = (): WindowSize => ({
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width: window.innerWidth,
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height: window.innerHeight,
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});
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const getInitialFocused = (): boolean => document.hasFocus();
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const getInitialVisible = (): boolean => !document.hidden;
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function generateWindowId(): string {
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return `window-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
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}
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class WindowStore {
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focused = getInitialFocused();
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visible = getInitialVisible();
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windowSize: WindowSize = getWindowSize();
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windowId: string = generateWindowId();
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lastFocusedAt: number = Date.now();
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createdAt: number = Date.now();
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constructor() {
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makeAutoObservable(this, {}, {autoBind: true});
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this.initListeners();
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}
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private initListeners(): void {
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window.addEventListener('focus', () => this.setFocused(true));
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window.addEventListener('blur', () => this.setFocused(false));
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document.addEventListener('visibilitychange', () => {
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this.setVisible(!document.hidden);
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});
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window.addEventListener('resize', () => this.updateWindowSize());
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}
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setFocused(focused: boolean): void {
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if (this.focused !== focused) {
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logger.debug(`Window focus changed: ${focused}`);
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this.focused = focused;
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if (focused) {
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this.lastFocusedAt = Date.now();
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}
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}
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}
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setVisible(visible: boolean): void {
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if (this.visible !== visible) {
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logger.debug(`Window visibility changed: ${visible}`);
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this.visible = visible;
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}
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}
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updateWindowSize(): void {
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this.windowSize = getWindowSize();
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logger.debug(`Window resized: ${this.windowSize.width}x${this.windowSize.height}`);
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}
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isFocused(): boolean {
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return this.focused;
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}
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isVisible(): boolean {
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return this.visible;
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}
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getWindowSize(): WindowSize {
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return this.windowSize;
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}
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}
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export default new WindowStore();
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