Merge pull request #203 from TouchInstinct/findSuitableParentView

Add method findSuitableParent

kotlin-extensions/src/main/java/ru/touchin/extensions/View.kt

@@ -2,6 +2,9 @@ package ru.touchin.extensions
 
 import android.os.Build
 import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import androidx.coordinatorlayout.widget.CoordinatorLayout
 import ru.touchin.utils.ActionThrottler
 
 const val RIPPLE_EFFECT_DELAY_MS = 150L
@@ -22,3 +25,31 @@ fun View.setOnRippleClickListener(listener: () -> Unit) {
         setOnClickListener { listener() }
     }
 }
+
+
+/**
+ * Used for finding suitable parent view for snackbar
+ * Method was taken from com.google.android.material.snackbar.Snackbar.findSuitableParent
+ */
+fun View?.findSuitableParent(): ViewGroup? {
+    var view = this
+    var fallback: ViewGroup? = null
+    do {
+        if (view is CoordinatorLayout) {
+            return view
+        } else if (view is FrameLayout) {
+            if (view.id == android.R.id.content) {
+                return view
+            } else {
+                fallback = view
+            }
+        }
+
+        if (view != null) {
+            val parent = view.parent
+            view = if (parent is View) parent else null
+        }
+    } while (view != null)
+
+    return fallback
+}