1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.nfc.dhimpl;
18
19import android.content.Context;
20import android.content.SharedPreferences;
21
22
23/**
24 * Native interface to the NFC Secure Element functions
25 *
26 * {@hide}
27 */
28public class NativeNfcSecureElement {
29
30    static final String PREF_SE_WIRED = "se_wired";
31
32    private final Context mContext;
33
34    SharedPreferences mPrefs;
35    SharedPreferences.Editor mPrefsEditor;
36
37    public NativeNfcSecureElement(Context context) {
38        mContext = context;
39
40        mPrefs = mContext.getSharedPreferences(NativeNfcManager.PREF, Context.MODE_PRIVATE);
41        mPrefsEditor = mPrefs.edit();
42    }
43
44    private native int doNativeOpenSecureElementConnection();
45
46    public int doOpenSecureElementConnection() {
47        mPrefsEditor.putBoolean(PREF_SE_WIRED, true);
48        mPrefsEditor.apply();
49
50        return doNativeOpenSecureElementConnection();
51    }
52
53    private native boolean doNativeDisconnectSecureElementConnection(int handle);
54
55    public boolean doDisconnect(int handle) {
56        mPrefsEditor.putBoolean(PREF_SE_WIRED, false);
57        mPrefsEditor.apply();
58
59        return doNativeDisconnectSecureElementConnection(handle);
60    }
61
62    public native byte[] doTransceive(int handle, byte[] data);
63
64    public native int[] doGetTechList(int handle);
65
66    public native byte [] doGetUid(int handle);
67}
68