| /* |
| * Copyright (c) 2016, The Android Open Source Project |
| * Contributed by the Paranoid Android 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. |
| */ |
| |
| package com.android.systemui.qs.tiles; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.nfc.NfcAdapter; |
| import android.provider.Settings; |
| import android.service.quicksettings.Tile; |
| import android.widget.Switch; |
| |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.systemui.R; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| import com.android.systemui.plugins.qs.QSTile.BooleanState; |
| import com.android.systemui.qs.QSHost; |
| import com.android.systemui.qs.tileimpl.QSTileImpl; |
| |
| import javax.inject.Inject; |
| |
| /** Quick settings tile: Enable/Disable NFC **/ |
| public class NfcTile extends QSTileImpl<BooleanState> { |
| |
| private NfcAdapter mAdapter; |
| private BroadcastDispatcher mBroadcastDispatcher; |
| |
| private boolean mListening; |
| |
| @Inject |
| public NfcTile(QSHost host, BroadcastDispatcher broadcastDispatcher) { |
| super(host); |
| mBroadcastDispatcher = broadcastDispatcher; |
| } |
| |
| @Override |
| public BooleanState newTileState() { |
| return new BooleanState(); |
| } |
| |
| @Override |
| public void handleSetListening(boolean listening) { |
| mListening = listening; |
| if (mListening) { |
| mBroadcastDispatcher.registerReceiver(mNfcReceiver, |
| new IntentFilter(NfcAdapter.ACTION_ADAPTER_STATE_CHANGED)); |
| } else { |
| mBroadcastDispatcher.unregisterReceiver(mNfcReceiver); |
| } |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_NFC); |
| } |
| |
| @Override |
| protected void handleUserSwitch(int newUserId) { |
| } |
| |
| @Override |
| public Intent getLongClickIntent() { |
| return new Intent(Settings.ACTION_NFC_SETTINGS); |
| } |
| |
| @Override |
| protected void handleClick() { |
| if (getAdapter() == null) { |
| return; |
| } |
| if (!getAdapter().isEnabled()) { |
| getAdapter().enable(); |
| } else { |
| getAdapter().disable(); |
| } |
| } |
| |
| @Override |
| protected void handleSecondaryClick() { |
| handleClick(); |
| } |
| |
| @Override |
| public CharSequence getTileLabel() { |
| return mContext.getString(R.string.quick_settings_nfc_label); |
| } |
| |
| @Override |
| protected void handleUpdateState(BooleanState state, Object arg) { |
| state.value = getAdapter() != null && getAdapter().isEnabled(); |
| state.state = getAdapter() == null |
| ? Tile.STATE_UNAVAILABLE |
| : state.value ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE; |
| state.icon = ResourceIcon.get( |
| state.value ? R.drawable.ic_qs_nfc_enabled : R.drawable.ic_qs_nfc_disabled); |
| state.label = mContext.getString(R.string.quick_settings_nfc_label); |
| state.expandedAccessibilityClassName = Switch.class.getName(); |
| state.contentDescription = state.label; |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return MetricsEvent.QS_NFC; |
| } |
| |
| @Override |
| protected String composeChangeAnnouncement() { |
| if (mState.value) { |
| return mContext.getString(R.string.quick_settings_nfc_on); |
| } else { |
| return mContext.getString(R.string.quick_settings_nfc_off); |
| } |
| } |
| |
| private NfcAdapter getAdapter() { |
| if (mAdapter == null) { |
| try { |
| mAdapter = NfcAdapter.getDefaultAdapter(mContext); |
| } catch (UnsupportedOperationException e) { |
| mAdapter = null; |
| } |
| } |
| return mAdapter; |
| } |
| |
| private BroadcastReceiver mNfcReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| refreshState(); |
| } |
| }; |
| } |