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      1 /*
      2  * Copyright (C) 2018 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 package com.android.car.settings.quicksettings;
     17 
     18 
     19 import android.annotation.DrawableRes;
     20 import android.annotation.Nullable;
     21 import android.bluetooth.BluetoothAdapter;
     22 import android.content.BroadcastReceiver;
     23 import android.content.Context;
     24 import android.content.Intent;
     25 import android.content.IntentFilter;
     26 import android.graphics.drawable.Drawable;
     27 import android.view.View;
     28 
     29 import com.android.car.settings.R;
     30 import com.android.car.settings.common.Logger;
     31 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
     32 import com.android.settingslib.bluetooth.LocalBluetoothManager;
     33 
     34 /**
     35  * Controls Bluetooth tile on quick setting page.
     36  */
     37 public class BluetoothTile implements QuickSettingGridAdapter.Tile {
     38     private static final Logger LOG = new Logger(BluetoothTile.class);
     39     private final Context mContext;
     40     private final StateChangedListener mStateChangedListener;
     41     private LocalBluetoothAdapter mLocalAdapter;
     42     private LocalBluetoothManager mLocalManager;
     43 
     44     @DrawableRes
     45     private int mIconRes = R.drawable.ic_settings_bluetooth;
     46 
     47     private String mText;
     48 
     49     private State mState = State.OFF;
     50 
     51     private final BroadcastReceiver mBtStateReceiver = new BroadcastReceiver() {
     52         @Override
     53         public void onReceive(Context context, Intent intent) {
     54             String action = intent.getAction();
     55 
     56             if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
     57                 int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
     58                         BluetoothAdapter.ERROR);
     59                 switch (state) {
     60                     case BluetoothAdapter.STATE_TURNING_OFF:
     61                         // TODO show a different status icon?
     62                     case BluetoothAdapter.STATE_OFF:
     63                         mIconRes = R.drawable.ic_settings_bluetooth_disabled;
     64                         mState = State.OFF;
     65                         break;
     66                     default:
     67                         mIconRes = R.drawable.ic_settings_bluetooth;
     68                         mText = mContext.getString(R.string.bluetooth_settings);
     69                         mState = State.ON;
     70                 }
     71             } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) {
     72                 int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE,
     73                         BluetoothAdapter.ERROR);
     74                 switch (state) {
     75                     case BluetoothAdapter.STATE_CONNECTED:
     76                         mIconRes = R.drawable.ic_settings_bluetooth_connected;
     77                         break;
     78                     case BluetoothAdapter.STATE_DISCONNECTED:
     79                     default:
     80                         mIconRes = R.drawable.ic_settings_bluetooth;
     81                 }
     82             }
     83             mStateChangedListener.onStateChanged();
     84         }
     85     };
     86 
     87     BluetoothTile(Context context, StateChangedListener stateChangedListener) {
     88         mStateChangedListener = stateChangedListener;
     89         mContext = context;
     90         IntentFilter mBtStateChangeFilter = new IntentFilter();
     91         mBtStateChangeFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
     92         mBtStateChangeFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
     93         mContext.registerReceiver(mBtStateReceiver, mBtStateChangeFilter);
     94         mLocalManager = LocalBluetoothManager.getInstance(
     95                 mContext, /* onInitCallback= */ null);
     96         if (mLocalManager == null) {
     97             LOG.e("Bluetooth is not supported on this device");
     98             return;
     99         }
    100         mText = mContext.getString(R.string.bluetooth_settings);
    101         mLocalAdapter = mLocalManager.getBluetoothAdapter();
    102         if (mLocalAdapter.isEnabled()) {
    103             mIconRes = R.drawable.ic_settings_bluetooth;
    104             mState = State.ON;
    105         } else {
    106             mIconRes = R.drawable.ic_settings_bluetooth_disabled;
    107             mState = State.OFF;
    108         }
    109     }
    110 
    111     @Nullable
    112     public View.OnClickListener getDeepDiveListener() {
    113         return null;
    114     }
    115 
    116     @Override
    117     public boolean isAvailable() {
    118         return mLocalManager != null;
    119     }
    120 
    121     @Override
    122     public Drawable getIcon() {
    123         return mContext.getDrawable(mIconRes);
    124     }
    125 
    126     @Override
    127     @Nullable
    128     public String getText() {
    129         // TODO: return connected ssid
    130         return mText;
    131     }
    132 
    133     @Override
    134     public State getState() {
    135         return mState;
    136     }
    137 
    138     @Override
    139     public void stop() {
    140         mContext.unregisterReceiver(mBtStateReceiver);
    141     }
    142 
    143     @Override
    144     public void onClick(View v) {
    145         if (mLocalAdapter == null) {
    146             return;
    147         }
    148         mLocalAdapter.setBluetoothEnabled(mLocalAdapter.isEnabled() ? false : true);
    149     }
    150 }
    151