move FocusRectView in proper folder

app/src/main/kotlin/com/simplemobiletools/camera/views/FocusRectView.kt

@@ -0,0 +1,62 @@
+package com.simplemobiletools.camera.views
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.Rect
+import android.os.Handler
+import android.view.ViewGroup
+import com.simplemobiletools.camera.R
+
+class FocusRectView(context: Context) : ViewGroup(context) {
+    companion object {
+        private val RECT_SIZE = 50
+        private val RECT_DURATION = 500
+
+        private var mDrawRect = false
+        private var mPrimaryColor = 0
+
+        lateinit var mPaint: Paint
+        lateinit var mHandler: Handler
+        lateinit var mRect: Rect
+    }
+
+    init {
+        setWillNotDraw(false)
+        mHandler = Handler()
+        mPrimaryColor = resources.getColor(R.color.colorPrimary)
+        setupPaint()
+    }
+
+    private fun setupPaint() {
+        mPaint = Paint().apply {
+            style = Paint.Style.STROKE
+            color = mPrimaryColor
+            strokeWidth = 2f
+        }
+    }
+
+    fun drawFocusRect(x: Int, y: Int) {
+        mRect = Rect(x - RECT_SIZE, y - RECT_SIZE, x + RECT_SIZE, y + RECT_SIZE)
+        toggleRect(true)
+
+        mHandler.removeCallbacksAndMessages(null)
+        mHandler.postDelayed({ toggleRect(false) }, RECT_DURATION.toLong())
+    }
+
+    private fun toggleRect(show: Boolean) {
+        mDrawRect = show
+        invalidate()
+    }
+
+    override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
+
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+        if (mDrawRect) {
+            canvas.drawRect(mRect, mPaint)
+        }
+    }
+}