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package com.android.systemui.statusbar.powerwidget;
import com.android.systemui.R;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.AsyncTask;
public class BluetoothButton extends PowerButton {
private static final StateTracker sBluetoothState = new BluetoothStateTracker();
private static final class BluetoothStateTracker extends StateTracker {
@Override
public int getActualState(Context context) {
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (mBluetoothAdapter == null) {
return STATE_UNKNOWN; // On emulator?
}
return bluetoothStateToFiveState(mBluetoothAdapter
.getState());
}
@Override
protected void requestStateChange(Context context,
final boolean desiredState) {
// Actually request the Bluetooth change and persistent
// settings write off the UI thread, as it can take a
// user-noticeable amount of time, especially if there's
// disk contention.
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... args) {
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if(mBluetoothAdapter.isEnabled()) {
mBluetoothAdapter.disable();
} else {
mBluetoothAdapter.enable();
}
return null;
}
}.execute();
}
@Override
public void onActualStateChange(Context context, Intent intent) {
if (!BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent
.getAction())) {
return;
}
int bluetoothState = intent.getIntExtra(
BluetoothAdapter.EXTRA_STATE, -1);
setCurrentState(context, bluetoothStateToFiveState(bluetoothState));
}
/**
* Converts BluetoothAdapter's state values into our
* Wifi/Bluetooth-common state values.
*/
private static int bluetoothStateToFiveState(int bluetoothState) {
switch (bluetoothState) {
case BluetoothAdapter.STATE_OFF:
return STATE_DISABLED;
case BluetoothAdapter.STATE_ON:
return STATE_ENABLED;
case BluetoothAdapter.STATE_TURNING_ON:
return STATE_TURNING_ON;
case BluetoothAdapter.STATE_TURNING_OFF:
return STATE_TURNING_OFF;
default:
return STATE_UNKNOWN;
}
}
}
public BluetoothButton() { mType = BUTTON_BLUETOOTH; }
@Override
protected void updateState(Context context) {
mState = sBluetoothState.getTriState(context);
switch (mState) {
case STATE_DISABLED:
mIcon = R.drawable.stat_bluetooth_off;
break;
case STATE_ENABLED:
mIcon = R.drawable.stat_bluetooth_on;
break;
case STATE_INTERMEDIATE:
// In the transitional state, the bottom green bar
// shows the tri-state (on, off, transitioning), but
// the top dark-gray-or-bright-white logo shows the
// user's intent. This is much easier to see in
// sunlight.
if (sBluetoothState.isTurningOn()) {
mIcon = R.drawable.stat_bluetooth_on;
} else {
mIcon = R.drawable.stat_bluetooth_off;
}
break;
}
}
@Override
protected void toggleState(Context context) {
sBluetoothState.toggleState(context);
}
@Override
protected boolean handleLongClick(Context context) {
Intent intent = new Intent("android.settings.BLUETOOTH_SETTINGS");
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
return true;
}
@Override
public void onReceive(Context context, Intent intent) {
sBluetoothState.onActualStateChange(context, intent);
}
@Override
protected IntentFilter getBroadcastIntentFilter() {
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
return filter;
}
}
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