Node / meshtastic / Meshtastic-Android / files / core / barcode / src / main / kotlin / org / meshtastic / core / barcode / SingleScanResultGate.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program 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 General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.barcode

Tff7b72import T7ee787java.util.concurrent.atomic.AtomicBoolean

T8b949e/** Allows a scanner session to complete exactly once, either with a scan result or a dismiss result. */

Tff7b72class T56d364SingleScanResultGate Tb4b4b4{

Tff7b72private Tff7b72val Te6edf3delivered Tff7b72= Te6edf3AtomicBooleanTb4b4b4(Tff7b72falseTb4b4b4)

T8b949e/**

* Attempts to deliver a scanner result once.

*

* The gate is consumed before [onResult] runs. If [onResult] throws, later delivery attempts are still ignored.

*/

Tff7b72fun Td2a8fftryDeliverTb4b4b4(Te6edf3resultTb4b4b4: Tffa657String?Tb4b4b4, Te6edf3onResultTb4b4b4: Tb4b4b4(Tffa657String?Tb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4)Tb4b4b4: Tffa657Boolean Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3deliveredTb4b4b4.Te6edf3compareAndSetTb4b4b4(Tff7b72falseTb4b4b4, Tff7b72trueTb4b4b4)Tb4b4b4) Tff7b72return Tff7b72false

Te6edf3onResultTb4b4b4(Te6edf3resultTb4b4b4)

Tff7b72return Tff7b72true

Tb4b4b4}

Tb4b4b4}