feat[#5]: onProgressStepChange receive value greater than progressCount (#8)

* fix[#5]: onProgressStepChange receive value greater than progressCount

* feat[#5]: added new finish listener instead of step listener call for last value

Author: GeniusRUS

app/src/main/java/com/genius/multiprogressbarexample/MainActivity.kt

@@ -6,14 +6,16 @@ import android.util.Log
 import android.view.View
 import com.genius.multiprogressbar.MultiProgressBar
 
-class MainActivity : AppCompatActivity(R.layout.activity_main), MultiProgressBar.ProgressStepChangeListener, View.OnClickListener {
+class MainActivity : AppCompatActivity(R.layout.activity_main), MultiProgressBar.ProgressStepChangeListener,
+    View.OnClickListener, MultiProgressBar.ProgressFinishListener {
 
     private val progressBar: MultiProgressBar by lazy { findViewById(R.id.mpb_main) }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         progressBar.setListener(this)
+        progressBar.setFinishListener(this)
     }
 
     override fun onClick(v: View?) {
@@ -31,4 +33,8 @@ class MainActivity : AppCompatActivity(R.layout.activity_main), MultiProgressBar
     override fun onProgressStepChange(newStep: Int) {
         Log.d("STEP", "Current step is $newStep")
     }
+
+    override fun onProgressFinished() {
+        Log.d("PROGRESS", "Progress finished")
+    }
 }

multiprogressbar/src/main/java/com/genius/multiprogressbar/MultiProgressBar.kt

@@ -36,6 +36,7 @@ class MultiProgressBar @JvmOverloads constructor(
     private var singleDisplayedTime: Float = 1F
 
     private var stepChangeListener: ProgressStepChangeListener? = null
+    private var finishListener: ProgressFinishListener? = null
     private var progressPercents: Int
 
     private var currentAbsoluteProgress = 0F
@@ -156,6 +157,10 @@ class MultiProgressBar @JvmOverloads constructor(
         this.stepChangeListener = stepChangeListener
     }
 
+    fun setFinishListener(finishListener: ProgressFinishListener) {
+        this.finishListener = finishListener
+    }
+
     fun setProgressStepsCount(progressSteps: Int) {
         internalSetProgressStepsCount(progressSteps)
     }
@@ -253,9 +258,11 @@ class MultiProgressBar @JvmOverloads constructor(
                 val value = animator.animatedValue as Float
                 isProgressIsRunning = value != maxValue
 
-                if ((value / progressPercents).toInt() != displayedStepForListener) {
+                if ((value / progressPercents).toInt() != displayedStepForListener && value != maxValue) {
                     displayedStepForListener = (value / progressPercents).toInt()
                     stepChangeListener?.onProgressStepChange(displayedStepForListener)
+                } else if (value == maxValue) {
+                    finishListener?.onProgressFinished()
                 }
 
                 if (isProgressIsRunning) {
@@ -315,6 +322,10 @@ class MultiProgressBar @JvmOverloads constructor(
         fun onProgressStepChange(newStep: Int)
     }
 
+    interface ProgressFinishListener {
+        fun onProgressFinished()
+    }
+
     companion object {
         private const val MIN_PADDING = 8F
     }