diff options
Diffstat (limited to 'core/java/com/trustedlogic/trustednfc/android/internal/NativeNfcManager.java')
| -rw-r--r-- | core/java/com/trustedlogic/trustednfc/android/internal/NativeNfcManager.java | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/core/java/com/trustedlogic/trustednfc/android/internal/NativeNfcManager.java b/core/java/com/trustedlogic/trustednfc/android/internal/NativeNfcManager.java new file mode 100644 index 0000000..2f5a0f0 --- /dev/null +++ b/core/java/com/trustedlogic/trustednfc/android/internal/NativeNfcManager.java @@ -0,0 +1,325 @@ +/* + * 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.Context; +import android.content.Intent; +import android.os.Handler; +import android.os.Message; +import android.util.Log; + +import com.trustedlogic.trustednfc.android.NfcManager; +import com.trustedlogic.trustednfc.android.NdefMessage; +import com.trustedlogic.trustednfc.android.NfcTag; + +/** + * 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 Context mContext; + + private 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); + + /** + * 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 { + @Override + public void handleMessage(Message msg) { + + try { + switch (msg.what) { + case MSG_NDEF_TAG: + Log.d(TAG, "Checking for NDEF tag message"); + NativeNfcTag tag = (NativeNfcTag) msg.obj; + if (tag.doConnect()) { + if (tag.checkNDEF()) { + byte[] buff = tag.doRead(); + if (buff != null) { + NdefMessage msgNdef = new NdefMessage(buff); + if (msgNdef != null) { + /* Send broadcast ordered */ + Intent NdefMessageIntent = new Intent(); + NdefMessageIntent + .setAction(NfcManager.NDEF_TAG_DISCOVERED_ACTION); + NdefMessageIntent.putExtra(NfcManager.NDEF_MESSAGE_EXTRA, + msgNdef); + Log.d(TAG, "NDEF message found, broadcasting to applications"); + mContext.sendOrderedBroadcast(NdefMessageIntent, + android.Manifest.permission.NFC_NOTIFY); + /* Disconnect tag */ + tag.doAsyncDisconnect(); + } + } else { + Log.w(TAG, "Unable to read NDEF message (tag empty or not well formated)"); + /* Disconnect tag */ + tag.doAsyncDisconnect(); + } + } else { + Log.d(TAG, "Tag is *not* NDEF compliant"); + /* Disconnect tag */ + tag.doAsyncDisconnect(); + } + } else { + /* Disconnect tag */ + tag.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(NfcManager.TRANSACTION_DETECTED_ACTION); + TransactionIntent.putExtra(NfcManager.AID_EXTRA, 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, + NfcManager.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, + NfcManager.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(NfcManager.LLCP_LINK_STATE_CHANGED_ACTION); + LlcpLinkIntent.putExtra(NfcManager.LLCP_LINK_STATE_CHANGED_EXTRA, + NfcManager.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); + } + +} |