Merge branch 'dev' of https://github.com/h4h13/RetroMusicPlayer into dev

app/src/main/java/io/github/muntashirakon/music/extensions/FragmentExt.kt

@@ -4,7 +4,10 @@ import android.content.Context
 import android.content.res.Configuration
 import android.os.PowerManager
 import androidx.annotation.IntegerRes
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.navigation.fragment.NavHostFragment
 import io.github.muntashirakon.music.util.PreferenceUtil
 
 fun Fragment.getIntRes(@IntegerRes int: Int): Int {
@@ -36,4 +39,17 @@ inline fun <reified T : Any> Fragment.extra(key: String, default: T? = null) = l
 inline fun <reified T : Any> Fragment.extraNotNull(key: String, default: T? = null) = lazy {
     val value = arguments?.get(key)
     requireNotNull(if (value is T) value else default) { key }
-}
+}
+
+val NavHostFragment.currentFragment: Fragment?
+    get() = targetFragment
+
+val FragmentManager.currentNavigationFragment: Fragment?
+    get() = primaryNavigationFragment?.childFragmentManager?.fragments?.first()
+
+fun AppCompatActivity.currentFragment(navHostId: Int): Fragment? {
+    val navHostFragment: NavHostFragment =
+        supportFragmentManager.findFragmentById(navHostId) as NavHostFragment
+    navHostFragment.targetFragment
+    return navHostFragment?.childFragmentManager?.fragments?.first()
+}

app/src/main/java/io/github/muntashirakon/music/extensions/NavigationExtensions.kt

@@ -0,0 +1,20 @@
+package code.name.monkey.retromusic.extensions
+
+import androidx.annotation.IdRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.navigation.NavController
+import androidx.navigation.fragment.NavHostFragment
+import androidx.navigation.fragment.findNavController
+
+fun Fragment.navigate(@IdRes id: Int) = findNavController().navigate(id)
+
+fun Fragment.navController(@IdRes id: Int): NavController {
+    val fragment = childFragmentManager.findFragmentById(id) as NavHostFragment
+    return fragment.navController
+}
+
+fun AppCompatActivity.navController(@IdRes id: Int): NavController {
+    val fragment = supportFragmentManager.findFragmentById(id) as NavHostFragment
+    return fragment.navController
+}