initial commit

fluxer_app/src/utils/ScreenShareUtils.tsx

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+/*
+ * 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 * as ModalActionCreators from '~/actions/ModalActionCreators';
+import {modal} from '~/actions/ModalActionCreators';
+import {ScreenRecordingPermissionDeniedModal} from '~/components/alerts/ScreenRecordingPermissionDeniedModal';
+import {ScreenShareUnsupportedModal} from '~/components/alerts/ScreenShareUnsupportedModal';
+import {ScreenRecordingPermissionDeniedError} from '~/utils/errors/ScreenRecordingPermissionDeniedError';
+
+const isScreenShareUnsupportedError = (error: unknown): boolean => {
+	if (!(error instanceof Error)) return false;
+
+	return (
+		error.name === 'DeviceUnsupportedError' ||
+		error.message.includes('getDisplayMedia not supported') ||
+		error.message.includes('NotSupportedError') ||
+		error.message.includes('NotAllowedError')
+	);
+};
+
+const handleScreenShareError = (error: unknown): void => {
+	if (error instanceof ScreenRecordingPermissionDeniedError) {
+		ModalActionCreators.push(modal(() => <ScreenRecordingPermissionDeniedModal />));
+		return;
+	}
+	if (isScreenShareUnsupportedError(error)) {
+		ModalActionCreators.push(modal(() => <ScreenShareUnsupportedModal />));
+	} else {
+		console.error('Failed to start screen share:', error);
+	}
+};
+
+export const executeScreenShareOperation = async (
+	operation: () => Promise<void>,
+	onError?: (error: unknown) => void,
+): Promise<void> => {
+	try {
+		await operation();
+	} catch (error) {
+		handleScreenShareError(error);
+		if (onError) {
+			onError(error);
+		}
+		throw error;
+	}
+};