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author | Dominik Schürmann <dominik@dominikschuermann.de> | 2016-05-07 12:01:16 +0300 |
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committer | Dominik Schürmann <dominik@dominikschuermann.de> | 2016-05-07 12:01:16 +0300 |
commit | 7dd5e2235339401b44eda13b124f3482472539d4 (patch) | |
tree | d7f1e6ad18a258e6467a75731ab44968fe005c9a /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java | |
parent | a2dcb579ff5d3565e7e6c6afe37878855361595b (diff) | |
parent | d4612b5e173455a24adbae2bfd4654ae065556cc (diff) | |
download | open-keychain-7dd5e2235339401b44eda13b124f3482472539d4.tar.gz open-keychain-7dd5e2235339401b44eda13b124f3482472539d4.tar.bz2 open-keychain-7dd5e2235339401b44eda13b124f3482472539d4.zip |
Merge branch 'master' into backup-api
Conflicts:
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
extern/openpgp-api-lib
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java new file mode 100644 index 000000000..7a8e65ae4 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/UsbConnectionDispatcher.java @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2016 Nikita Mikhailov <nikita.s.mikhailov@gmail.com> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.util; + +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; + +public class UsbConnectionDispatcher { + private Activity mActivity; + + private OnDiscoveredUsbDeviceListener mListener; + private UsbManager mUsbManager; + + /** + * 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(); + + switch (action) { + case UsbEventReceiverActivity.ACTION_USB_PERMISSION: { + 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); + } + break; + } + } + } + }; + + public UsbConnectionDispatcher(final Activity activity, final OnDiscoveredUsbDeviceListener listener) { + this.mActivity = activity; + this.mListener = listener; + this.mUsbManager = (UsbManager) activity.getSystemService(Context.USB_SERVICE); + } + + public void onStart() { + final IntentFilter intentFilter = new IntentFilter(); + intentFilter.addAction(UsbEventReceiverActivity.ACTION_USB_PERMISSION); + + mActivity.registerReceiver(mUsbReceiver, intentFilter); + } + + public void onStop() { + mActivity.unregisterReceiver(mUsbReceiver); + } + + /** + * Rescans devices and triggers {@link OnDiscoveredUsbDeviceListener} + */ + public void rescanDevices() { + // Note: we don't check devices VID/PID because + // we check for permission instead. + // We should have permission only for matching devices + for (UsbDevice device : mUsbManager.getDeviceList().values()) { + if (mUsbManager.hasPermission(device)) { + if (mListener != null) { + mListener.usbDeviceDiscovered(device); + } + break; + } + } + } + + public interface OnDiscoveredUsbDeviceListener { + void usbDeviceDiscovered(UsbDevice usbDevice); + } +} |