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avoid hang on closing webcam due to rescans for new camera devices

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This commit is contained in:
Craig Raw 2021-07-04 19:18:02 +02:00
parent f691f1691e
commit 2f153686dd
1 changed files with 12 additions and 6 deletions
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8
src/main/java/com/sparrowwallet/sparrow/control/WebcamScanDriver.java
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@ -8,8 +8,11 @@ import java.util.ArrayList;
import java.util.List; import java.util.List;
public class WebcamScanDriver extends WebcamDefaultDriver { public class WebcamScanDriver extends WebcamDefaultDriver {
private List<WebcamDevice> foundScanDevices;
@Override @Override
public List<WebcamDevice> getDevices() { public List<WebcamDevice> getDevices() {
if(foundScanDevices == null || foundScanDevices.isEmpty()) {
List<WebcamDevice> devices = super.getDevices(); List<WebcamDevice> devices = super.getDevices();
List<WebcamDevice> scanDevices = new ArrayList<>(); List<WebcamDevice> scanDevices = new ArrayList<>();
for(WebcamDevice device : devices) { for(WebcamDevice device : devices) {
@ -17,6 +20,9 @@ public class WebcamScanDriver extends WebcamDefaultDriver {
scanDevices.add(new WebcamScanDevice(defaultDevice.getDeviceRef())); scanDevices.add(new WebcamScanDevice(defaultDevice.getDeviceRef()));
} }
return scanDevices; foundScanDevices = scanDevices;
}
return foundScanDevices;
} }
} }