Anas Karbila | f7648f4 | 2016-12-11 00:55:02 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2016, The Android Open Source Project |
| 3 | * Contributed by the Paranoid Android Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | package com.android.systemui.qs.tiles; |
| 19 | |
| 20 | import android.content.BroadcastReceiver; |
| 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
| 23 | import android.content.IntentFilter; |
| 24 | import android.content.pm.PackageManager; |
| 25 | import android.graphics.drawable.Drawable; |
| 26 | import android.nfc.NfcAdapter; |
| 27 | import android.provider.Settings; |
| 28 | import android.widget.Switch; |
| 29 | |
| 30 | import com.android.internal.logging.MetricsLogger; |
| 31 | import com.android.internal.logging.MetricsProto.MetricsEvent; |
| 32 | import com.android.systemui.R; |
| 33 | import com.android.systemui.qs.QSTile; |
| 34 | |
| 35 | /** Quick settings tile: Enable/Disable NFC **/ |
| 36 | public class NfcTile extends QSTile<QSTile.BooleanState> { |
| 37 | |
| 38 | private NfcAdapter mAdapter; |
| 39 | |
| 40 | private boolean mListening; |
| 41 | |
| 42 | public NfcTile(Host host) { |
| 43 | super(host); |
| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public BooleanState newTileState() { |
| 48 | return new BooleanState(); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public void setListening(boolean listening) { |
| 53 | mListening = listening; |
| 54 | if (mListening) { |
| 55 | mContext.registerReceiver(mNfcReceiver, |
| 56 | new IntentFilter(NfcAdapter.ACTION_ADAPTER_STATE_CHANGED)); |
| 57 | if (mAdapter == null) { |
| 58 | try { |
| 59 | mAdapter = NfcAdapter.getNfcAdapter(mContext); |
| 60 | } catch (UnsupportedOperationException e) { |
| 61 | mAdapter = null; |
| 62 | } |
| 63 | } |
| 64 | } else { |
| 65 | mContext.unregisterReceiver(mNfcReceiver); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public boolean isAvailable() { |
| 71 | return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC); |
| 72 | } |
| 73 | |
| 74 | @Override |
| 75 | protected void handleUserSwitch(int newUserId) { |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public Intent getLongClickIntent() { |
| 80 | return new Intent(Settings.ACTION_NFC_SETTINGS); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | protected void handleClick() { |
| 85 | if (mAdapter == null) return; |
| 86 | MetricsLogger.action(mContext, getMetricsCategory(), !mState.value); |
| 87 | if (!mAdapter.isEnabled()) { |
| 88 | mAdapter.enable(); |
| 89 | } else { |
| 90 | mAdapter.disable(); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | protected void handleSecondaryClick() { |
| 96 | handleClick(); |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public CharSequence getTileLabel() { |
| 101 | return mContext.getString(R.string.quick_settings_nfc_label); |
| 102 | } |
| 103 | |
| 104 | @Override |
| 105 | protected void handleUpdateState(BooleanState state, Object arg) { |
| 106 | final Drawable mEnable = mContext.getDrawable(R.drawable.ic_qs_nfc_enabled); |
| 107 | final Drawable mDisable = mContext.getDrawable(R.drawable.ic_qs_nfc_disabled); |
| 108 | state.value = mAdapter == null ? false : mAdapter.isEnabled(); |
| 109 | state.label = mContext.getString(R.string.quick_settings_nfc_label); |
| 110 | state.icon = new DrawableIcon(state.value ? mEnable : mDisable); |
| 111 | state.minimalAccessibilityClassName = state.expandedAccessibilityClassName |
| 112 | = Switch.class.getName(); |
| 113 | state.contentDescription = state.label; |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public int getMetricsCategory() { |
| 118 | return MetricsEvent.QS_NFC; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | protected String composeChangeAnnouncement() { |
| 123 | if (mState.value) { |
| 124 | return mContext.getString(R.string.quick_settings_nfc_on); |
| 125 | } else { |
| 126 | return mContext.getString(R.string.quick_settings_nfc_off); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | private BroadcastReceiver mNfcReceiver = new BroadcastReceiver() { |
| 131 | @Override |
| 132 | public void onReceive(Context context, Intent intent) { |
| 133 | refreshState(); |
| 134 | } |
| 135 | }; |
| 136 | } |