Rename RestoreHistoryOperation to ReplaceAllOperation and move it to its own file

Author: jmartinesp

appnav/src/main/kotlin/io/element/android/appnav/ReplaceAllOperation.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2026 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.appnav
+
+import com.bumble.appyx.core.navigation.NavElements
+import com.bumble.appyx.core.navigation.Operation
+import com.bumble.appyx.navmodel.backstack.BackStack
+import kotlinx.parcelize.Parcelize
+
+/**
+ * Replaces all the current elements with the provided [navElements], keeping their [BackStack.State] too.
+ */
+@Parcelize
+class ReplaceAllOperation<NavTarget : Any>(
+    private val navElements: NavElements<NavTarget, BackStack.State>
+) : Operation<NavTarget, BackStack.State> {
+    override fun isApplicable(elements: NavElements<NavTarget, BackStack.State>): Boolean {
+        return true
+    }
+
+    override fun invoke(existing: NavElements<NavTarget, BackStack.State>): NavElements<NavTarget, BackStack.State> {
+        return navElements
+    }
+}

appnav/src/main/kotlin/io/element/android/appnav/RootFlowNode.kt

@@ -18,7 +18,6 @@ import androidx.lifecycle.lifecycleScope
 import com.bumble.appyx.core.modality.BuildContext
 import com.bumble.appyx.core.navigation.NavElements
 import com.bumble.appyx.core.navigation.NavKey
-import com.bumble.appyx.core.navigation.Operation
 import com.bumble.appyx.core.node.Node
 import com.bumble.appyx.core.plugin.Plugin
 import com.bumble.appyx.core.state.MutableSavedStateMap
@@ -167,7 +166,7 @@ class RootFlowNode(
         val savedElements = buildContext.savedStateMap?.get("NavModel") as? NavElements<NavTarget, BackStack.State>
         if (savedElements != null) {
             Timber.d("restoreSavedElements: Saved elements found, restoring them.")
-            backstack.accept(RestoreHistoryOperation(savedElements))
+            backstack.accept(ReplaceAllOperation(savedElements))
         }
     }
 
@@ -254,17 +253,6 @@ class RootFlowNode(
         }
     }
 
-    @Parcelize
-    class RestoreHistoryOperation<NavTarget : Any>(private val navElements: NavElements<NavTarget, BackStack.State>) : Operation<NavTarget, BackStack.State> {
-        override fun isApplicable(elements: NavElements<NavTarget, BackStack.State>): Boolean {
-            return true
-        }
-
-        override fun invoke(existing: NavElements<NavTarget, BackStack.State>): NavElements<NavTarget, BackStack.State> {
-            return navElements
-        }
-    }
-
     sealed interface NavTarget : Parcelable {
         @Parcelize data object SplashScreen : NavTarget