nxpandroid | 64fd68c | 2015-09-23 16:45:15 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | |
| 17 | package com.android.nfc; |
| 18 | |
| 19 | /** |
| 20 | * Parameters for enabling NFC tag discovery and polling, |
| 21 | * and host card emulation. |
| 22 | */ |
| 23 | public final class NfcDiscoveryParameters { |
| 24 | |
| 25 | public static class Builder { |
| 26 | |
| 27 | private NfcDiscoveryParameters mParameters; |
| 28 | |
| 29 | private Builder() { |
| 30 | mParameters = new NfcDiscoveryParameters(); |
| 31 | } |
| 32 | |
| 33 | public NfcDiscoveryParameters.Builder setTechMask(int techMask) { |
| 34 | mParameters.mTechMask = techMask; |
| 35 | return this; |
| 36 | } |
| 37 | |
| 38 | public NfcDiscoveryParameters.Builder setEnableLowPowerDiscovery(boolean enable) { |
| 39 | mParameters.mEnableLowPowerDiscovery = enable; |
| 40 | return this; |
| 41 | } |
| 42 | |
| 43 | public NfcDiscoveryParameters.Builder setEnableReaderMode(boolean enable) { |
| 44 | mParameters.mEnableReaderMode = enable; |
| 45 | |
| 46 | if (enable) { |
| 47 | mParameters.mEnableLowPowerDiscovery = false; |
| 48 | } |
| 49 | |
| 50 | return this; |
| 51 | } |
| 52 | |
| 53 | public NfcDiscoveryParameters.Builder setEnableHostRouting(boolean enable) { |
| 54 | mParameters.mEnableHostRouting = enable; |
| 55 | return this; |
| 56 | } |
| 57 | |
| 58 | public NfcDiscoveryParameters.Builder setEnableP2p(boolean enable) { |
| 59 | mParameters.mEnableP2p = enable; |
| 60 | return this; |
| 61 | } |
| 62 | |
| 63 | public NfcDiscoveryParameters build() { |
| 64 | if (mParameters.mEnableReaderMode && |
| 65 | (mParameters.mEnableLowPowerDiscovery || mParameters.mEnableP2p)) { |
| 66 | throw new IllegalStateException("Can't enable LPTD/P2P and reader mode " + |
| 67 | "simultaneously"); |
| 68 | } |
| 69 | return mParameters; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | static final int NFC_POLL_DEFAULT = -1; |
| 74 | |
| 75 | // NOTE: when adding a new field, don't forget to update equals() and toString() below |
| 76 | private int mTechMask = 0; |
| 77 | private boolean mEnableLowPowerDiscovery = true; |
| 78 | private boolean mEnableReaderMode = false; |
| 79 | private boolean mEnableHostRouting = false; |
| 80 | private boolean mEnableP2p = false; |
| 81 | |
| 82 | public NfcDiscoveryParameters() {} |
| 83 | |
| 84 | public int getTechMask() { |
| 85 | return mTechMask; |
| 86 | } |
| 87 | |
| 88 | public boolean shouldEnableLowPowerDiscovery() { |
| 89 | return mEnableLowPowerDiscovery; |
| 90 | } |
| 91 | |
| 92 | public boolean shouldEnableReaderMode() { |
| 93 | return mEnableReaderMode; |
| 94 | } |
| 95 | |
| 96 | public boolean shouldEnableHostRouting() { |
| 97 | return mEnableHostRouting; |
| 98 | } |
| 99 | |
| 100 | public boolean shouldEnableDiscovery() { |
| 101 | return mTechMask != 0 || mEnableHostRouting; |
| 102 | } |
| 103 | |
| 104 | public boolean shouldEnableP2p() { |
| 105 | return mEnableP2p; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public boolean equals(Object obj) { |
| 110 | if (obj == this) { |
| 111 | return true; |
| 112 | } |
| 113 | |
| 114 | if ((obj == null) || (obj.getClass() != this.getClass())) { |
| 115 | return false; |
| 116 | } |
| 117 | NfcDiscoveryParameters params = (NfcDiscoveryParameters) obj; |
| 118 | return mTechMask == params.mTechMask && |
| 119 | (mEnableLowPowerDiscovery == params.mEnableLowPowerDiscovery) && |
| 120 | (mEnableReaderMode == params.mEnableReaderMode) && |
| 121 | (mEnableHostRouting == params.mEnableHostRouting) |
| 122 | && (mEnableP2p == params.mEnableP2p); |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public String toString() { |
| 127 | StringBuilder sb = new StringBuilder(); |
| 128 | if (mTechMask == NFC_POLL_DEFAULT) { |
| 129 | sb.append("mTechMask: default\n"); |
| 130 | } else { |
| 131 | sb.append("mTechMask: " + Integer.toString(mTechMask) + "\n"); |
| 132 | } |
| 133 | sb.append("mEnableLPD: " + Boolean.toString(mEnableLowPowerDiscovery) + "\n"); |
| 134 | sb.append("mEnableReader: " + Boolean.toString(mEnableReaderMode) + "\n"); |
| 135 | sb.append("mEnableHostRouting: " + Boolean.toString(mEnableHostRouting) + "\n"); |
| 136 | sb.append("mEnableP2p: " + Boolean.toString(mEnableP2p)); |
| 137 | return sb.toString(); |
| 138 | } |
| 139 | |
| 140 | public static NfcDiscoveryParameters.Builder newBuilder() { |
| 141 | return new Builder(); |
| 142 | } |
| 143 | |
| 144 | public static NfcDiscoveryParameters getDefaultInstance() { |
| 145 | return new NfcDiscoveryParameters(); |
| 146 | } |
| 147 | |
| 148 | public static NfcDiscoveryParameters getNfcOffParameters() { |
| 149 | return new NfcDiscoveryParameters(); |
| 150 | } |
| 151 | } |