[BOOK-308] feat: splash, login, termsAgreementScreen navigation animation 적용

resetRoot와 비슷한 조건이기 때문에 fadeIn-fadeOut 적용하여 애니메이션 통일성 확보

Author: easyhooon

app/src/main/kotlin/com/ninecraft/booket/di/CircuitModule.kt

@@ -28,7 +28,7 @@ abstract class CircuitModule {
         ): Circuit = Circuit.Builder()
             .addPresenterFactories(presenterFactories)
             .addUiFactories(uiFactories)
-            // .setAnimatedNavDecoratorFactory(CrossFadeNavDecoratorFactory())
+            .setAnimatedNavDecoratorFactory(CrossFadeNavDecoratorFactory())
             .build()
     }
 }

app/src/main/kotlin/com/ninecraft/booket/di/CrossFadeNavDecorator.kt

@@ -6,6 +6,9 @@ import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.animation.togetherWith
+import com.ninecraft.booket.feature.screens.LoginScreen
+import com.ninecraft.booket.feature.screens.SplashScreen
+import com.ninecraft.booket.feature.screens.TermsAgreementScreen
 import com.slack.circuit.backstack.NavArgument
 import com.slack.circuit.foundation.NavigatorDefaults
 import com.slack.circuit.foundation.animation.AnimatedNavDecorator
@@ -24,6 +27,34 @@ class CrossFadeNavDecorator<T : NavArgument>(private val durationMillis: Int) :
     override fun AnimatedContentTransitionScope<AnimatedNavState>.transitionSpec(
         animatedNavEvent: AnimatedNavEvent,
     ): ContentTransform {
-        return fadeIn(tween(durationMillis)) togetherWith fadeOut(tween(durationMillis))
+        val shouldUseFade = shouldUseFadeAnimation(initialState, targetState)
+
+        return if (shouldUseFade) {
+            fadeIn(tween(durationMillis)) togetherWith fadeOut(tween(durationMillis))
+        } else {
+            // Circuit 기본 애니메이션 사용
+            with(NavigatorDefaults.DefaultDecorator<T>()) {
+                transitionSpec(animatedNavEvent)
+            }
+        }
+    }
+
+    private fun shouldUseFadeAnimation(
+        initialState: AnimatedNavState,
+        targetState: AnimatedNavState,
+    ): Boolean {
+        val fadeScreens = setOf(
+            SplashScreen::class,
+            LoginScreen::class,
+            TermsAgreementScreen::class,
+        )
+
+        val initialScreenClass = initialState.top.screen::class
+        val targetScreenClass = targetState.top.screen::class
+
+        // 앱 시작시 SplashScreen이 첫 화면인 경우 처리
+        val isAppLaunchToSplash = targetScreenClass == SplashScreen::class
+
+        return isAppLaunchToSplash || initialScreenClass in fadeScreens || targetScreenClass in fadeScreens
     }
 }

feature/splash/src/main/kotlin/com/ninecraft/booket/splash/SplashUi.kt

@@ -1,6 +1,5 @@
 package com.ninecraft.booket.splash
 
-import android.R.attr.description
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box

gradle/libs.versions.toml

@@ -43,7 +43,7 @@ okhttp = "5.1.0"
 retrofit = "3.0.0"
 
 ## Circuit
-circuit = "0.29.1"
+circuit = "0.30.0"
 
 ## Logging
 logger = "2.2.0"