diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/smartcard/UsbConnectionDispatcher.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/smartcard/UsbConnectionDispatcher.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/smartcard/UsbConnectionDispatcher.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/smartcard/UsbConnectionDispatcher.java new file mode 100644 index 000000000..c3068916e --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/smartcard/UsbConnectionDispatcher.java @@ -0,0 +1,54 @@ +package org.sufficientlysecure.keychain.smartcard; + +import android.app.Activity; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.hardware.usb.UsbDevice; +import android.hardware.usb.UsbManager; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.ui.UsbEventReceiverActivity; +import org.sufficientlysecure.keychain.util.Log; + +public class UsbConnectionDispatcher { + private Activity mActivity; + + private OnDiscoveredUsbDeviceListener mListener; + /** + * Receives broadcast when a supported USB device get permission. + */ + private final BroadcastReceiver mUsbReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + String action = intent.getAction(); + + if (UsbEventReceiverActivity.ACTION_USB_PERMISSION.equals(action)) { + UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); + boolean permission = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, + false); + if (permission) { + Log.d(Constants.TAG, "Got permission for " + usbDevice.getDeviceName()); + mListener.usbDeviceDiscovered(usbDevice); + } + } + } + }; + + public UsbConnectionDispatcher(final Activity activity, final OnDiscoveredUsbDeviceListener listener) { + this.mActivity = activity; + this.mListener = listener; + } + + public void onStart() { + final IntentFilter intentFilter = new IntentFilter(); + intentFilter.addAction(UsbEventReceiverActivity.ACTION_USB_PERMISSION); + + mActivity.registerReceiver(mUsbReceiver, intentFilter); + } + + public void onStop() { + mActivity.unregisterReceiver(mUsbReceiver); + } +} |