121 lines
3.1 KiB
TypeScript
121 lines
3.1 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 * as ModalActionCreators from '~/actions/ModalActionCreators';
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import * as PopoutActionCreators from '~/actions/PopoutActionCreators';
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import type {PopoutKey} from '~/components/uikit/Popout';
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type LayerType = 'modal' | 'popout' | 'contextmenu';
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export interface Layer {
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type: LayerType;
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key: string | PopoutKey;
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timestamp: number;
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onClose?: () => void;
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}
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class LayerManager {
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private layers: Array<Layer> = [];
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private isInitialized = false;
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init() {
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if (this.isInitialized) return;
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this.isInitialized = true;
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document.addEventListener('keydown', this.handleGlobalEscape, {capture: true});
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}
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destroy() {
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if (!this.isInitialized) return;
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this.isInitialized = false;
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document.removeEventListener('keydown', this.handleGlobalEscape, {capture: true});
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this.layers = [];
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}
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private handleGlobalEscape = (event: KeyboardEvent) => {
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if (event.key !== 'Escape') return;
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const topLayer = this.getTopLayer();
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if (!topLayer) return;
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event.preventDefault();
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event.stopPropagation();
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if (topLayer.type === 'modal') {
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if (topLayer.onClose) {
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topLayer.onClose();
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} else {
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ModalActionCreators.pop();
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}
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} else if (topLayer.type === 'popout') {
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topLayer.onClose?.();
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this.removeLayer('popout', topLayer.key);
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PopoutActionCreators.close(topLayer.key);
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} else if (topLayer.type === 'contextmenu') {
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topLayer.onClose?.();
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}
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};
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addLayer(type: LayerType, key: string | PopoutKey, onClose?: () => void) {
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this.removeLayer(type, key);
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this.layers.push({
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type,
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key,
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timestamp: Date.now(),
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onClose,
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});
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}
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removeLayer(type: LayerType, key: string | PopoutKey) {
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this.layers = this.layers.filter((layer) => !(layer.type === type && layer.key === key));
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}
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private getTopLayer(): Layer | undefined {
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return this.layers.length > 0 ? this.layers[this.layers.length - 1] : undefined;
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}
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hasLayers(): boolean {
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return this.layers.length > 0;
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}
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isTopLayer(type: LayerType, key: string | PopoutKey): boolean {
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const topLayer = this.getTopLayer();
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return topLayer?.type === type && topLayer?.key === key;
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}
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hasType(type: LayerType): boolean {
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return this.layers.some((l) => l.type === type);
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}
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isTopType(type: LayerType): boolean {
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const top = this.getTopLayer();
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return top?.type === type;
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}
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closeAll(): void {
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ModalActionCreators.popAll();
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PopoutActionCreators.closeAll();
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this.layers = [];
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}
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}
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export default new LayerManager();
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