Default fragment destination

core/src/main/kotlin/dev/hotwire/core/config/Hotwire.kt

@@ -4,8 +4,10 @@ import android.content.Context
 import androidx.fragment.app.Fragment
 import dev.hotwire.core.bridge.BridgeComponent
 import dev.hotwire.core.bridge.BridgeComponentFactory
-import dev.hotwire.core.navigation.routing.BrowserRoute
+import dev.hotwire.core.navigation.fragments.HotwireWebBottomSheetFragment
+import dev.hotwire.core.navigation.fragments.HotwireWebFragment
 import dev.hotwire.core.navigation.routing.AppNavigationRoute
+import dev.hotwire.core.navigation.routing.BrowserRoute
 import dev.hotwire.core.navigation.routing.Router
 import dev.hotwire.core.turbo.config.TurboPathConfiguration
 import kotlin.reflect.KClass
@@ -15,7 +17,11 @@ object Hotwire {
  List<BridgeComponentFactory<BridgeComponent>> = emptyList()
  private set
 
- internal var registeredFragmentDestinations: List<KClass<out Fragment>> = emptyList()
+ internal var registeredFragmentDestinations:
+ List<KClass<out Fragment>> = listOf(
+ HotwireWebFragment::class,
+ HotwireWebBottomSheetFragment::class
+ )
  private set
 
  internal var router = Router(listOf(
@@ -59,6 +65,13 @@ object Hotwire {
  registeredBridgeComponentFactories = factories
  }
 
+ /**
+ * The default fragment destination for web requests. If you have not
+ * loaded a path configuration with a matching rule and a `uri` available
+ * for all possible paths, this destination will be used as the default.
+ */
+ var defaultFragmentDestination: KClass<out Fragment> = HotwireWebFragment::class
+
  /**
  * Register fragment destinations that can be navigated to. Every possible
  * destination must be provided here.

core/src/main/kotlin/dev/hotwire/core/turbo/config/TurboPathConfiguration.kt

@@ -3,7 +3,10 @@ package dev.hotwire.core.turbo.config
 import android.annotation.SuppressLint
 import android.content.Context
 import android.net.Uri
+import androidx.core.net.toUri
 import com.google.gson.annotations.SerializedName
+import dev.hotwire.core.config.Hotwire
+import dev.hotwire.core.turbo.nav.TurboNavGraphDestination
 import dev.hotwire.core.turbo.nav.TurboNavPresentation
 import dev.hotwire.core.turbo.nav.TurboNavPresentationContext
 import dev.hotwire.core.turbo.nav.TurboNavQueryStringPresentation
@@ -131,10 +134,11 @@ val TurboPathConfigurationProperties.context: TurboNavPresentationContext
  }
 
 val TurboPathConfigurationProperties.uri: Uri
- get() = Uri.parse(get("uri"))
+ get() = get("uri")?.toUri() ?:
+ TurboNavGraphDestination.from(Hotwire.defaultFragmentDestination).uri.toUri()
 
 val TurboPathConfigurationProperties.fallbackUri: Uri?
- get() = get("fallback_uri")?.let { Uri.parse(it) }
+ get() = get("fallback_uri")?.toUri()
 
 val TurboPathConfigurationProperties.title: String?
  get() = get("title")

core/src/main/kotlin/dev/hotwire/core/turbo/nav/TurboNavGraphBuilder.kt

@@ -13,7 +13,6 @@ import dev.hotwire.core.turbo.config.TurboPathConfiguration
 import dev.hotwire.core.turbo.config.uri
 import java.util.UUID
 import kotlin.reflect.KClass
-import kotlin.reflect.full.findAnnotation
 import kotlin.reflect.full.isSubclassOf
 
 internal class TurboNavGraphBuilder(
@@ -35,7 +34,7 @@ internal class TurboNavGraphBuilder(
  val fragmentDestinations = registeredFragments.map {
  FragmentDestination(
  route = currentRoute.also { currentRoute++ }.toString(),
- uri = it.turboAnnotation().uri.toUri(),
+ uri = TurboNavGraphDestination.from(it).uri.toUri(),
  kClass = it
  )
  }
@@ -94,12 +93,6 @@ internal class TurboNavGraphBuilder(
  }
  }
 
- private fun KClass<out Any>.turboAnnotation(): TurboNavGraphDestination {
- return requireNotNull(findAnnotation()) {
- "A TurboNavGraphDestination annotation is required for the destination: ${this.simpleName}"
- }
- }
-
  // Modified from AndroidX FragmentNavigatorDestinationBuilder extensions
  private inline fun NavGraphBuilder.fragment(
  route: String,

core/src/main/kotlin/dev/hotwire/core/turbo/nav/TurboNavGraphDestination.kt

@@ -1,5 +1,8 @@
 package dev.hotwire.core.turbo.nav
 
+import kotlin.reflect.KClass
+import kotlin.reflect.full.findAnnotation
+
 /**
  * Annotation for each Fragment that will be registered as a navigation destination.
  *
@@ -14,4 +17,12 @@ package dev.hotwire.core.turbo.nav
 @MustBeDocumented
 annotation class TurboNavGraphDestination(
  val uri: String
-)
+) {
+ companion object {
+ internal fun from(klass: KClass<out Any>): TurboNavGraphDestination {
+ return requireNotNull(klass.findAnnotation()) {
+ "A TurboNavGraphDestination annotation is required for the destination: ${klass.simpleName}"
+ }
+ }
+ }
+}

demo/src/main/assets/json/configuration.json

@@ -59,6 +59,7 @@
  "/numbers/[0-9]+$"
  ],
  "properties": {
+ "context": "modal",
  "uri": "turbo://fragment/numbers/sheet",
  "title": "Number",
  "description": "This is a native bottom sheet fragment"

demo/src/main/kotlin/dev/hotwire/demo/DemoApplication.kt

@@ -41,6 +41,9 @@ class DemoApplication : Application() {
  )
  )
 
+ // Set the default fragment destination
+ Hotwire.defaultFragmentDestination = WebFragment::class
+
  // Register fragment destinations
  Hotwire.registerFragmentDestinations(listOf(
  WebFragment::class,