fluxer/fluxer_app/src/stores/WindowStore.tsx
2026-02-17 12:22:36 +00:00

101 lines
2.6 KiB
TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import {Logger} from '@app/lib/Logger';
import {makeAutoObservable} from 'mobx';
const logger = new Logger('WindowStore');
interface WindowSize {
width: number;
height: number;
}
const getWindowSize = (): WindowSize => ({
width: window.innerWidth,
height: window.innerHeight,
});
const getInitialFocused = (): boolean => document.hasFocus();
const getInitialVisible = (): boolean => !document.hidden;
function generateWindowId(): string {
return `window-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
}
class WindowStore {
focused = getInitialFocused();
visible = getInitialVisible();
windowSize: WindowSize = getWindowSize();
windowId: string = generateWindowId();
lastFocusedAt: number = Date.now();
createdAt: number = Date.now();
constructor() {
makeAutoObservable(this, {}, {autoBind: true});
this.initListeners();
}
private initListeners(): void {
window.addEventListener('focus', () => this.setFocused(true));
window.addEventListener('blur', () => this.setFocused(false));
document.addEventListener('visibilitychange', () => {
this.setVisible(!document.hidden);
});
window.addEventListener('resize', () => this.updateWindowSize());
}
setFocused(focused: boolean): void {
if (this.focused !== focused) {
logger.debug(`Window focus changed: ${focused}`);
this.focused = focused;
if (focused) {
this.lastFocusedAt = Date.now();
}
}
}
setVisible(visible: boolean): void {
if (this.visible !== visible) {
logger.debug(`Window visibility changed: ${visible}`);
this.visible = visible;
}
}
updateWindowSize(): void {
this.windowSize = getWindowSize();
logger.debug(`Window resized: ${this.windowSize.width}x${this.windowSize.height}`);
}
isFocused(): boolean {
return this.focused;
}
isVisible(): boolean {
return this.visible;
}
getWindowSize(): WindowSize {
return this.windowSize;
}
}
export default new WindowStore();