| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * File : NativeNfcManager.java |
| * Original-Author : Trusted Logic S.A. (Sylvain Fonteneau) |
| * Created : 18-02-2010 |
| */ |
| |
| package com.trustedlogic.trustednfc.android.internal; |
| |
| import android.annotation.SdkConstant; |
| import android.annotation.SdkConstant.SdkConstantType; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.Log; |
| |
| import android.nfc.FormatException; |
| import android.nfc.NdefTag; |
| import android.nfc.NfcAdapter; |
| import android.nfc.NdefMessage; |
| import android.nfc.Tag; |
| |
| /** |
| * Native interface to the NFC Manager functions |
| * @hide |
| */ |
| public class NativeNfcManager { |
| |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String INTERNAL_LLCP_LINK_STATE_CHANGED_EXTRA = "com.trustedlogic.trustednfc.android.extra.INTERNAL_LLCP_LINK_STATE"; |
| |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String INTERNAL_LLCP_LINK_STATE_CHANGED_ACTION = "com.trustedlogic.trustednfc.android.action.INTERNAL_LLCP_LINK_STATE_CHANGED"; |
| |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String INTERNAL_TARGET_DESELECTED_ACTION = "com.trustedlogic.trustednfc.android.action.INTERNAL_TARGET_DESELECTED"; |
| |
| /* Native structure */ |
| private int mNative; |
| |
| private final Context mContext; |
| |
| private final Handler mNfcHandler; |
| |
| private static final String TAG = "NativeNfcManager"; |
| |
| private static final int MSG_NDEF_TAG = 0; |
| |
| private static final int MSG_CARD_EMULATION = 1; |
| |
| private static final int MSG_LLCP_LINK_ACTIVATION = 2; |
| |
| private static final int MSG_LLCP_LINK_DEACTIVATED = 3; |
| |
| private static final int MSG_TARGET_DESELECTED = 4; |
| |
| public NativeNfcManager(Context context) { |
| mNfcHandler = new NfcHandler(); |
| mContext = context; |
| } |
| |
| /** |
| * Initializes Native structure |
| */ |
| public native boolean initializeNativeStructure(); |
| |
| /** |
| * Initializes NFC stack. |
| */ |
| public native boolean initialize(); |
| |
| /** |
| * Deinitializes NFC stack. |
| */ |
| public native boolean deinitialize(); |
| |
| /** |
| * Enable discory for the NdefMessage and Transaction notification |
| */ |
| public native void enableDiscovery(int mode); |
| |
| public native void disableDiscovery(); |
| |
| public native void readerDiscovery(); |
| |
| /** |
| * Disables an NFCManager mode of operation. Allows to disable tag reader, |
| * peer to peer initiator or target modes. |
| * |
| * @param mode discovery mode to enable. Must be one of the provided |
| * NFCManager.DISCOVERY_MODE_* constants. |
| */ |
| public native void disableDiscoveryMode(int mode); |
| |
| public native int[] doGetSecureElementList(); |
| |
| public native void doSelectSecureElement(int seID); |
| |
| public native void doDeselectSecureElement(int seID); |
| |
| public native NativeP2pDevice doOpenP2pConnection(int timeout); |
| |
| public native NativeNfcTag doOpenTagConnection(int timeout); |
| |
| public native int doGetLastError(); |
| |
| public native void doSetProperties(int param, int value); |
| |
| public native void doCancel(); |
| |
| public native NativeLlcpConnectionlessSocket doCreateLlcpConnectionlessSocket(int nSap); |
| |
| public native NativeLlcpServiceSocket doCreateLlcpServiceSocket(int nSap, String sn, int miu, |
| int rw, int linearBufferLength); |
| |
| public native NativeLlcpSocket doCreateLlcpSocket(int sap, int miu, int rw, |
| int linearBufferLength); |
| |
| public native boolean doCheckLlcp(); |
| |
| public native boolean doActivateLlcp(); |
| |
| private class NfcHandler extends Handler { |
| |
| private int convertType(String typeName) { |
| if (typeName.equals("Iso14443")) { |
| return Tag.NFC_TAG_ISO14443_4B; |
| } else if (typeName.equals("MifareUL")) { |
| return Tag.NFC_TAG_MIFARE; |
| } else if (typeName.equals("Mifare1K")) { |
| return Tag.NFC_TAG_MIFARE; |
| } else if (typeName.equals("Mifare4K")) { |
| return Tag.NFC_TAG_MIFARE; |
| } else if (typeName.equals("MifareDESFIRE")) { |
| return Tag.NFC_TAG_MIFARE; |
| } else if (typeName.equals("Unknown Mifare")) { |
| return Tag.NFC_TAG_MIFARE; |
| } else if (typeName.equals("Felica")) { |
| return Tag.NFC_TAG_FELICA; |
| } else if (typeName.equals("Jewel")) { |
| return Tag.NFC_TAG_JEWEL; |
| } else { |
| return Tag.NFC_TAG_OTHER; |
| } |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| |
| try { |
| switch (msg.what) { |
| case MSG_NDEF_TAG: |
| Log.d(TAG, "Tag detected, notifying applications"); |
| NativeNfcTag nativeTag = (NativeNfcTag) msg.obj; |
| if (nativeTag.doConnect()) { |
| if (nativeTag.checkNDEF()) { |
| byte[] buff = nativeTag.doRead(); |
| if (buff != null) { |
| NdefMessage[] msgNdef = new NdefMessage[1]; |
| try { |
| msgNdef[0] = new NdefMessage(buff); |
| NdefTag tag = new NdefTag(convertType(nativeTag.getType()), nativeTag.getUid(), nativeTag.getHandle(), msgNdef); |
| Intent intent = new Intent(); |
| intent.setAction(NfcAdapter.ACTION_NDEF_TAG_DISCOVERED); |
| intent.putExtra(NfcAdapter.EXTRA_TAG, tag); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| Log.d(TAG, "NDEF tag found, starting corresponding activity"); |
| try { |
| mContext.startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| Log.w(TAG, "No activity found, disconnecting"); |
| nativeTag.doAsyncDisconnect(); |
| } |
| } catch (FormatException e) { |
| Log.w(TAG, "Unable to create NDEF message object (tag empty or not well formated)"); |
| nativeTag.doAsyncDisconnect(); |
| } |
| } else { |
| Log.w(TAG, "Unable to read NDEF message (tag empty or not well formated)"); |
| nativeTag.doAsyncDisconnect(); |
| } |
| } else { |
| Intent intent = new Intent(); |
| Tag tag = new Tag(convertType(nativeTag.getType()), false, nativeTag.getUid(), nativeTag.getHandle()); |
| intent.setAction(NfcAdapter.ACTION_TAG_DISCOVERED); |
| intent.putExtra(NfcAdapter.EXTRA_TAG, tag); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| Log.d(TAG, "Non-NDEF tag found, starting corresponding activity"); |
| try { |
| mContext.startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| Log.w(TAG, "No activity found, disconnecting"); |
| nativeTag.doAsyncDisconnect(); |
| } |
| } |
| } else { |
| Log.w(TAG, "Failed to connect to tag"); |
| nativeTag.doAsyncDisconnect(); |
| } |
| break; |
| case MSG_CARD_EMULATION: |
| Log.d(TAG, "Card Emulation message"); |
| byte[] aid = (byte[]) msg.obj; |
| /* Send broadcast ordered */ |
| Intent TransactionIntent = new Intent(); |
| TransactionIntent.setAction(NfcAdapter.ACTION_TRANSACTION_DETECTED); |
| TransactionIntent.putExtra(NfcAdapter.EXTRA_AID, aid); |
| Log.d(TAG, "Broadcasting Card Emulation event"); |
| mContext.sendOrderedBroadcast(TransactionIntent, |
| android.Manifest.permission.NFC_NOTIFY); |
| break; |
| |
| case MSG_LLCP_LINK_ACTIVATION: |
| NativeP2pDevice device = (NativeP2pDevice) msg.obj; |
| |
| Log.d(TAG, "LLCP Activation message"); |
| |
| if (device.getMode() == NativeP2pDevice.MODE_P2P_TARGET) { |
| if (device.doConnect()) { |
| /* Check Llcp compliancy */ |
| if (doCheckLlcp()) { |
| /* Activate Llcp Link */ |
| if (doActivateLlcp()) { |
| Log.d(TAG, "Initiator Activate LLCP OK"); |
| /* Broadcast Intent Link LLCP activated */ |
| Intent LlcpLinkIntent = new Intent(); |
| LlcpLinkIntent |
| .setAction(INTERNAL_LLCP_LINK_STATE_CHANGED_ACTION); |
| LlcpLinkIntent.putExtra( |
| INTERNAL_LLCP_LINK_STATE_CHANGED_EXTRA, |
| NfcAdapter.LLCP_LINK_STATE_ACTIVATED); |
| Log.d(TAG, "Broadcasting internal LLCP activation"); |
| mContext.sendBroadcast(LlcpLinkIntent); |
| } |
| |
| } else { |
| device.doDisconnect(); |
| } |
| |
| } |
| |
| } else if (device.getMode() == NativeP2pDevice.MODE_P2P_INITIATOR) { |
| /* Check Llcp compliancy */ |
| if (doCheckLlcp()) { |
| /* Activate Llcp Link */ |
| if (doActivateLlcp()) { |
| Log.d(TAG, "Target Activate LLCP OK"); |
| /* Broadcast Intent Link LLCP activated */ |
| Intent LlcpLinkIntent = new Intent(); |
| LlcpLinkIntent |
| .setAction(INTERNAL_LLCP_LINK_STATE_CHANGED_ACTION); |
| LlcpLinkIntent.putExtra(INTERNAL_LLCP_LINK_STATE_CHANGED_EXTRA, |
| NfcAdapter.LLCP_LINK_STATE_ACTIVATED); |
| Log.d(TAG, "Broadcasting internal LLCP activation"); |
| mContext.sendBroadcast(LlcpLinkIntent); |
| } |
| } |
| } |
| break; |
| |
| case MSG_LLCP_LINK_DEACTIVATED: |
| /* Broadcast Intent Link LLCP activated */ |
| Log.d(TAG, "LLCP Link Deactivated message"); |
| Intent LlcpLinkIntent = new Intent(); |
| LlcpLinkIntent.setAction(NfcAdapter.ACTION_LLCP_LINK_STATE_CHANGED); |
| LlcpLinkIntent.putExtra(NfcAdapter.EXTRA_LLCP_LINK_STATE_CHANGED, |
| NfcAdapter.LLCP_LINK_STATE_DEACTIVATED); |
| Log.d(TAG, "Broadcasting LLCP deactivation"); |
| mContext.sendOrderedBroadcast(LlcpLinkIntent, |
| android.Manifest.permission.NFC_LLCP); |
| break; |
| |
| case MSG_TARGET_DESELECTED: |
| /* Broadcast Intent Target Deselected */ |
| Log.d(TAG, "Target Deselected"); |
| Intent TargetDeselectedIntent = new Intent(); |
| TargetDeselectedIntent.setAction(INTERNAL_TARGET_DESELECTED_ACTION); |
| Log.d(TAG, "Broadcasting Intent"); |
| mContext.sendOrderedBroadcast(TargetDeselectedIntent, |
| android.Manifest.permission.NFC_LLCP); |
| break; |
| |
| default: |
| Log.e(TAG, "Unknown message received"); |
| break; |
| } |
| } catch (Exception e) { |
| // Log, don't crash! |
| Log.e(TAG, "Exception in NfcHandler.handleMessage:", e); |
| } |
| } |
| }; |
| |
| /** |
| * Notifies Ndef Message |
| */ |
| private void notifyNdefMessageListeners(NativeNfcTag tag) { |
| Message msg = mNfcHandler.obtainMessage(); |
| |
| msg.what = MSG_NDEF_TAG; |
| msg.obj = tag; |
| |
| mNfcHandler.sendMessage(msg); |
| } |
| |
| /** |
| * Notifies transaction |
| */ |
| private void notifyTargetDeselected() { |
| Message msg = mNfcHandler.obtainMessage(); |
| |
| msg.what = MSG_TARGET_DESELECTED; |
| |
| mNfcHandler.sendMessage(msg); |
| } |
| |
| /** |
| * Notifies transaction |
| */ |
| private void notifyTransactionListeners(byte[] aid) { |
| Message msg = mNfcHandler.obtainMessage(); |
| |
| msg.what = MSG_CARD_EMULATION; |
| msg.obj = aid; |
| |
| mNfcHandler.sendMessage(msg); |
| } |
| |
| /** |
| * Notifies P2P Device detected, to activate LLCP link |
| */ |
| private void notifyLlcpLinkActivation(NativeP2pDevice device) { |
| Message msg = mNfcHandler.obtainMessage(); |
| |
| msg.what = MSG_LLCP_LINK_ACTIVATION; |
| msg.obj = device; |
| |
| mNfcHandler.sendMessage(msg); |
| } |
| |
| /** |
| * Notifies P2P Device detected, to activate LLCP link |
| */ |
| private void notifyLlcpLinkDeactivated() { |
| Message msg = mNfcHandler.obtainMessage(); |
| |
| msg.what = MSG_LLCP_LINK_DEACTIVATED; |
| |
| mNfcHandler.sendMessage(msg); |
| } |
| |
| } |