public class UsbSupplicant
{
- private static final String ACTION_USB_PERMISSION =
+ private static final String ACTION_USB_PERMISSION =
"org.sigrok.androidutils.USB_PERMISSION";
- protected final Context context;
- protected final UsbManager manager;
- private final BroadcastReceiver permReceiver;
- private final BroadcastReceiver hotplugReceiver;
- private final IntentFilter permFilter;
- private final IntentFilter hotplugFilter;
- private final Vector<DeviceFilter> deviceFilters;
-
- // The code in the following inner class is taken from AOSP,
- // which is licensed under the Apache License, Version 2.0
- private static class DeviceFilter {
- // USB Vendor ID (or -1 for unspecified)
- public final int mVendorId;
- // USB Product ID (or -1 for unspecified)
- public final int mProductId;
- // USB device or interface class (or -1 for unspecified)
- public final int mClass;
- // USB device subclass (or -1 for unspecified)
- public final int mSubclass;
- // USB device protocol (or -1 for unspecified)
- public final int mProtocol;
-
- public DeviceFilter(int vid, int pid, int clasz, int subclass, int protocol) {
- mVendorId = vid;
- mProductId = pid;
- mClass = clasz;
- mSubclass = subclass;
- mProtocol = protocol;
- }
-
- public DeviceFilter(UsbDevice device) {
- mVendorId = device.getVendorId();
- mProductId = device.getProductId();
- mClass = device.getDeviceClass();
- mSubclass = device.getDeviceSubclass();
- mProtocol = device.getDeviceProtocol();
- }
-
- public static DeviceFilter read(XmlPullParser parser)
- throws XmlPullParserException, IOException {
- int vendorId = -1;
- int productId = -1;
- int deviceClass = -1;
- int deviceSubclass = -1;
- int deviceProtocol = -1;
-
- int count = parser.getAttributeCount();
- for (int i = 0; i < count; i++) {
- String name = parser.getAttributeName(i);
- // All attribute values are ints
- int value = Integer.parseInt(parser.getAttributeValue(i));
-
- if ("vendor-id".equals(name)) {
- vendorId = value;
- } else if ("product-id".equals(name)) {
- productId = value;
- } else if ("class".equals(name)) {
- deviceClass = value;
- } else if ("subclass".equals(name)) {
- deviceSubclass = value;
- } else if ("protocol".equals(name)) {
- deviceProtocol = value;
- }
- }
- return new DeviceFilter(vendorId, productId,
- deviceClass, deviceSubclass, deviceProtocol);
- }
-
- private boolean matches(int clasz, int subclass, int protocol) {
- return ((mClass == -1 || clasz == mClass) &&
- (mSubclass == -1 || subclass == mSubclass) &&
- (mProtocol == -1 || protocol == mProtocol));
- }
-
- public boolean matches(UsbDevice device) {
- if (mVendorId != -1 && device.getVendorId() != mVendorId) return false;
- if (mProductId != -1 && device.getProductId() != mProductId) return false;
-
- // check device class/subclass/protocol
- if (matches(device.getDeviceClass(), device.getDeviceSubclass(),
- device.getDeviceProtocol())) return true;
-
- // if device doesn't match, check the interfaces
- int count = device.getInterfaceCount();
- for (int i = 0; i < count; i++) {
- UsbInterface intf = device.getInterface(i);
- if (matches(intf.getInterfaceClass(), intf.getInterfaceSubclass(),
- intf.getInterfaceProtocol())) return true;
- }
-
- return false;
- }
-
- @Override
- public String toString() {
- return "DeviceFilter[mVendorId=" + mVendorId + ",mProductId=" + mProductId +
- ",mClass=" + mClass + ",mSubclass=" + mSubclass +
- ",mProtocol=" + mProtocol + "]";
- }
- }
-
- public UsbSupplicant(Context ctx, int device_filter_resource)
- {
- context = ctx;
- manager = (UsbManager) ctx.getSystemService(Context.USB_SERVICE);
- permReceiver = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- String action = intent.getAction();
- if (ACTION_USB_PERMISSION.equals(action)) {
- permissionCallback((UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE),
- intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false));
- }
+ protected final Context context;
+ protected final UsbManager manager;
+ private final BroadcastReceiver permReceiver;
+ private final BroadcastReceiver hotplugReceiver;
+ private final IntentFilter permFilter;
+ private final IntentFilter hotplugFilter;
+ private final Vector<DeviceFilter> deviceFilters;
+
+ // The code in the following inner class is taken from AOSP,
+ // which is licensed under the Apache License, Version 2.0.
+ private static class DeviceFilter {
+ // USB Vendor ID (or -1 for unspecified)
+ public final int mVendorId;
+ // USB Product ID (or -1 for unspecified)
+ public final int mProductId;
+ // USB device or interface class (or -1 for unspecified)
+ public final int mClass;
+ // USB device subclass (or -1 for unspecified)
+ public final int mSubclass;
+ // USB device protocol (or -1 for unspecified)
+ public final int mProtocol;
+
+ public DeviceFilter(int vid, int pid, int clasz, int subclass, int protocol) {
+ mVendorId = vid;
+ mProductId = pid;
+ mClass = clasz;
+ mSubclass = subclass;
+ mProtocol = protocol;
+ }
+
+ public DeviceFilter(UsbDevice device) {
+ mVendorId = device.getVendorId();
+ mProductId = device.getProductId();
+ mClass = device.getDeviceClass();
+ mSubclass = device.getDeviceSubclass();
+ mProtocol = device.getDeviceProtocol();
+ }
+
+ public static DeviceFilter read(XmlPullParser parser)
+ throws XmlPullParserException, IOException {
+ int vendorId = -1;
+ int productId = -1;
+ int deviceClass = -1;
+ int deviceSubclass = -1;
+ int deviceProtocol = -1;
+
+ int count = parser.getAttributeCount();
+ for (int i = 0; i < count; i++) {
+ String name = parser.getAttributeName(i);
+ // All attribute values are ints
+ int value = Integer.parseInt(parser.getAttributeValue(i));
+
+ if ("vendor-id".equals(name)) {
+ vendorId = value;
+ } else if ("product-id".equals(name)) {
+ productId = value;
+ } else if ("class".equals(name)) {
+ deviceClass = value;
+ } else if ("subclass".equals(name)) {
+ deviceSubclass = value;
+ } else if ("protocol".equals(name)) {
+ deviceProtocol = value;
+ }
+ }
+ return new DeviceFilter(vendorId, productId,
+ deviceClass, deviceSubclass, deviceProtocol);
}
- };
- hotplugReceiver = new BroadcastReceiver() {
+
+ private boolean matches(int clasz, int subclass, int protocol) {
+ return ((mClass == -1 || clasz == mClass) &&
+ (mSubclass == -1 || subclass == mSubclass) &&
+ (mProtocol == -1 || protocol == mProtocol));
+ }
+
+ public boolean matches(UsbDevice device) {
+ if (mVendorId != -1 && device.getVendorId() != mVendorId)
+ return false;
+ if (mProductId != -1 && device.getProductId() != mProductId)
+ return false;
+
+ // Check device class/subclass/protocol.
+ if (matches(device.getDeviceClass(), device.getDeviceSubclass(),
+ device.getDeviceProtocol()))
+ return true;
+
+ // If device doesn't match, check the interfaces.
+ int count = device.getInterfaceCount();
+ for (int i = 0; i < count; i++) {
+ UsbInterface intf = device.getInterface(i);
+ if (matches(intf.getInterfaceClass(), intf.getInterfaceSubclass(),
+ intf.getInterfaceProtocol()))
+ return true;
+ }
+
+ return false;
+ }
+
@Override
- public void onReceive(Context context, Intent intent) {
- if (intent != null &&
- UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(intent.getAction())) {
- attachCallback((UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE));
- } else if (intent != null &&
- UsbManager.ACTION_USB_DEVICE_DETACHED.equals(intent.getAction())) {
- detachCallback((UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE));
- }
+ public String toString() {
+ return "DeviceFilter[mVendorId=" + mVendorId + ",mProductId=" + mProductId +
+ ",mClass=" + mClass + ",mSubclass=" + mSubclass +
+ ",mProtocol=" + mProtocol + "]";
}
- };
- permFilter = new IntentFilter(ACTION_USB_PERMISSION);
- hotplugFilter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_ATTACHED);
- hotplugFilter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
- deviceFilters = new Vector<DeviceFilter>();
- addDeviceFilters(ctx.getResources(), device_filter_resource);
- }
-
- private void addDeviceFilters(Resources res, int res_id)
- {
- XmlResourceParser parser = res.getXml(res_id);
- if (parser == null) {
- Log.w("UsbSupplicant", "Unable to get device filter resource");
- return;
}
- deviceFilters.clear();
- try {
- while (parser.next() != XmlPullParser.END_DOCUMENT) {
- if (parser.getEventType() == XmlPullParser.START_TAG) {
- if ("usb-device".equals(parser.getName())) {
- deviceFilters.add(DeviceFilter.read(parser));
- }
+
+ public UsbSupplicant(Context ctx, int device_filter_resource)
+ {
+ context = ctx;
+ manager = (UsbManager) ctx.getSystemService(Context.USB_SERVICE);
+ permReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ String action = intent.getAction();
+ if (ACTION_USB_PERMISSION.equals(action)) {
+ permissionCallback((UsbDevice)intent.getParcelableExtra(
+ UsbManager.EXTRA_DEVICE), intent.getBooleanExtra(
+ UsbManager.EXTRA_PERMISSION_GRANTED, false));
+ }
+ }
+ };
+ hotplugReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ if (intent != null && UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(intent.getAction())) {
+ attachCallback((UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE));
+ } else if (intent != null && UsbManager.ACTION_USB_DEVICE_DETACHED.equals(intent.getAction())) {
+ detachCallback((UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE));
+ }
+ }
+ };
+ permFilter = new IntentFilter(ACTION_USB_PERMISSION);
+ hotplugFilter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_ATTACHED);
+ hotplugFilter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
+ deviceFilters = new Vector<DeviceFilter>();
+ addDeviceFilters(ctx.getResources(), device_filter_resource);
+ }
+
+ private void addDeviceFilters(Resources res, int res_id)
+ {
+ XmlResourceParser parser = res.getXml(res_id);
+ if (parser == null) {
+ Log.w("UsbSupplicant", "Unable to get device filter resource");
+ return;
+ }
+ deviceFilters.clear();
+ try {
+ while (parser.next() != XmlPullParser.END_DOCUMENT) {
+ if (parser.getEventType() == XmlPullParser.START_TAG) {
+ if ("usb-device".equals(parser.getName()))
+ deviceFilters.add(DeviceFilter.read(parser));
+ }
+ }
+ } catch (IOException e) {
+ Log.wtf("UsbSupplicant",
+ "Failed to parse device filter resource", e);
+ } catch (XmlPullParserException e) {
+ Log.wtf("UsbSupplicant",
+ "Failed to parse device filter resource", e);
}
- }
- } catch(IOException e) {
- Log.wtf("UsbSupplicant",
- "Failed to parse device filter resource", e);
- } catch(XmlPullParserException e) {
- Log.wtf("UsbSupplicant",
- "Failed to parse device filter resource", e);
}
- }
-
- protected boolean interresting(UsbDevice dev)
- {
- if (dev == null)
- return false;
-
- for (DeviceFilter f : deviceFilters)
- if (f.matches(dev))
- return true;
-
- return false;
- }
-
- protected void askFor(UsbDevice dev)
- {
- manager.requestPermission(dev, PendingIntent.getBroadcast(context, 0, new Intent(ACTION_USB_PERMISSION), 0));
- }
-
- public void start()
- {
- context.registerReceiver(permReceiver, permFilter);
- context.registerReceiver(hotplugReceiver, hotplugFilter);
- HashMap<String,UsbDevice> devlist = manager.getDeviceList();
- for (UsbDevice dev : devlist.values()) {
- if (interresting(dev) && !manager.hasPermission(dev)) {
- Log.d("UsbSupplicant", "found interresting device "+dev);
- askFor(dev);
- }
+
+ protected boolean interresting(UsbDevice dev)
+ {
+ if (dev == null)
+ return false;
+
+ for (DeviceFilter f : deviceFilters)
+ if (f.matches(dev))
+ return true;
+
+ return false;
}
- }
-
- public void stop()
- {
- context.unregisterReceiver(hotplugReceiver);
- context.unregisterReceiver(permReceiver);
- }
-
- protected void permissionCallback(UsbDevice dev, boolean granted)
- {
- Log.d("UsbSupplicant", "permission " + (granted? "granted" : "denied") + " for device " + dev);
- }
-
- protected void attachCallback(UsbDevice dev)
- {
- if (interresting(dev) && !manager.hasPermission(dev)) {
- askFor(dev);
+
+ protected void askFor(UsbDevice dev)
+ {
+ manager.requestPermission(dev, PendingIntent.getBroadcast(context, 0,
+ new Intent(ACTION_USB_PERMISSION), 0));
}
- }
- protected void detachCallback(UsbDevice dev)
- {
- }
+ public void start()
+ {
+ context.registerReceiver(permReceiver, permFilter);
+ context.registerReceiver(hotplugReceiver, hotplugFilter);
+ HashMap<String,UsbDevice> devlist = manager.getDeviceList();
+ for (UsbDevice dev : devlist.values()) {
+ if (interresting(dev) && !manager.hasPermission(dev)) {
+ Log.d("UsbSupplicant", "found interresting device " + dev);
+ askFor(dev);
+ }
+ }
+ }
+
+ public void stop()
+ {
+ context.unregisterReceiver(hotplugReceiver);
+ context.unregisterReceiver(permReceiver);
+ }
+
+ protected void permissionCallback(UsbDevice dev, boolean granted)
+ {
+ Log.d("UsbSupplicant", "permission " +
+ (granted ? "granted" : "denied") + " for device " + dev);
+ }
+
+ protected void attachCallback(UsbDevice dev)
+ {
+ if (interresting(dev) && !manager.hasPermission(dev))
+ askFor(dev);
+ }
+
+ protected void detachCallback(UsbDevice dev)
+ {
+ }
}
projects / sigrok-androidutils.git / blobdiff