2 * Copyright (c) 2020 Project CHIP Authors
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 package com.google.chip.chiptool.setuppayloadscanner
21 import com.google.android.gms.vision.Detector
22 import com.google.android.gms.vision.barcode.Barcode
24 /** Processes the detected [Barcode]s from a Camera scan. */
25 class CHIPBarcodeProcessor(
26 private val listener: BarcodeDetectionListener
27 ) : Detector.Processor<Barcode> {
29 override fun receiveDetections(detections: Detector.Detections<Barcode>) {
30 val detectedItems = detections.detectedItems
31 if (detectedItems.size() <= 0) {
34 val barcode = detectedItems.valueAt(0)
35 listener.handleScannedQrCode(barcode)
38 override fun release() {
42 /** Interface for receiving the detected QR Code from a Camera scan. */
43 interface BarcodeDetectionListener {
45 /** Provides the [Barcode] detected in camera scan to the registered listener. */
46 fun handleScannedQrCode(barcode: Barcode)