Moved and renamed several classes

app/src/main/res/layout/item_source.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/source_root"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingTop="4dp"
+    android:paddingBottom="4dp">
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/source_input"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:hint="@string/sources_hint"
+        app:endIconDrawable="@drawable/ic_map_sat"
+        app:endIconMode="custom"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/source_url"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:inputType="textUri"
+            tools:ignore="TextContrastCheck" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>