RGBArduino

package com.landroid.atuin.RGBArduinoBT

import android.app.Activity
import android.os.Bundle
import android.view.View
import android.widget.Toast
import android.widget.TextView
import android.widget.SeekBar
import android.widget.SeekBar.OnSeekBarChangeListener
import android.widget.CompoundButton
import android.widget.CompoundButton.OnCheckedChangeListener
import android.util.Log
import android.content.Context
import android.bluetooth.BluetoothAdapter
import android.content.Intent
import scala.collection.mutable.HashMap

class RGBColor (var r:Int, var g:Int, var b:Int) {
  def setByIndex (index:Int, value:Int) {
    index match {
      case 1 => r = value
      case 2 => g = value
      case 3 => b = value
    }
  }

  def getByIndex (index:Int): Int = index match {
      case 1 => r
      case 2 => g
      case 3 => b
    }
}

trait BTSerial {
  val mBT = BluetoothAdapter.getDefaultAdapter()
  val context:Context

  if (mBT == null) {
    Toast.makeText(context, "BT Not avaible", Toast.LENGTH_LONG).show()
  }

  def enable () {
    if (! mBT.isEnabled()) {
      mBT.enable()
      val enabler = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE)
      context.startActivityForResult(enabler, REQUEST_DISCOVERABLE)
    }
  }

  def disable () {
    mBT.disable()
  }

  def discover () {
//    val enabler = new Intent(this, classOf[DiscoveryActivitay])
 //   context.startActivity(enabler)
  }
}

class RGBArduinoBT extends TypedActivity
                  with BTSerial
                  with OnCheckedChangeListener
                  with OnSeekBarChangeListener {
  lazy val redSeekBar = findView(TR.redSeekBar)
  lazy val greenSeekBar = findView(TR.greenSeekBar)
  lazy val blueSeekBar = findView(TR.blueSeekBar)
  lazy val rgb = new RGBColor(30,30,30)
  lazy val context = getApplicationContext()

  def updateProgress () = {
    redSeekBar.setProgress(rgb.r)
    greenSeekBar.setProgress(rgb.g)
    blueSeekBar.setProgress(rgb.b)
  }

  def findSeekBarByCheckBoxId (checkBoxId: Int): (Int, SeekBar) = checkBoxId match {
    case R.id.redCheckBox => (1,redSeekBar)
    case R.id.greenCheckBox => (2,greenSeekBar)
    case R.id.blueCheckBox => (3,blueSeekBar)
  }

  /** Called when the activity is first created. */
  override def onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.main)

    updateProgress()
    findView(TR.redCheckBox).setOnCheckedChangeListener(this)
    findView(TR.greenCheckBox).setOnCheckedChangeListener(this)
    findView(TR.blueCheckBox).setOnCheckedChangeListener(this)
    redSeekBar.setOnSeekBarChangeListener(this)
    greenSeekBar.setOnSeekBarChangeListener(this)
    blueSeekBar.setOnSeekBarChangeListener(this)

    Log.i("RGBArduinoBT", "redCheckBox:" + TR.redCheckBox)
  }

  override def onCheckedChanged (button: CompoundButton,
                                isChecked: Boolean) {
    val (index, progressBar) = findSeekBarByCheckBoxId(button.getId())

    if (isChecked == true) {
      rgb.setByIndex(index, progressBar.getProgress())
      progressBar.setProgress(0)
    }
    else
      progressBar.setProgress(rgb.getByIndex(index))
  }

  /*
   * Get events for progress bar changes.
   * Send value for specified led to arduino via bt
   */
  override def onProgressChanged (seekBar:SeekBar,
                                  progress:Int,
                                  fromUser:Boolean) {
    Log.i("RGBArduinoBT", "onProgressChanged:" + seekBar.toString() + ": " + progress)
  }

  override def onStopTrackingTouch (seekBar:SeekBar) {}
  override def onStartTrackingTouch (seekBar: SeekBar) {}

}