Update Input Screen landscape behavior (#6898)

Task/Issue URL:
https://app.asana.com/1/137249556945/project/488551667048375/task/1211507598155413?focus=true

### Description

- Uses top omnibar behavior when in landscape and using bottom address
bar

### Steps to test this PR

- [ ] Set the address bar to “Bottom"
- [ ] Open the Input Screen and type something (so that the input
expands)
- [ ] Rotate to landscape
- [ ] Verify that the top omnibar behavior is used

### UI changes
| Before  | After |
| ------ | ----- |
<img width="2340" height="1080" alt="Screenshot_20251006_210315"
src="https://github.com/user-attachments/assets/b158116e-c2c7-438c-95bf-77600ef90804"
/>|<img width="2340" height="1080" alt="Screenshot_20251006_210235"
src="https://github.com/user-attachments/assets/5de6dc37-a9f3-4df3-801e-7fe92ec6d11a"
/>

Author: joshliebe

duckchat/duckchat-impl/src/main/java/com/duckduckgo/duckchat/impl/inputscreen/ui/InputScreenConfigResolver.kt

@@ -16,7 +16,10 @@
 
 package com.duckduckgo.duckchat.impl.inputscreen.ui
 
+import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
+import com.duckduckgo.app.di.ActivityContext
 import com.duckduckgo.di.scopes.ActivityScope
 import com.duckduckgo.duckchat.api.inputscreen.InputScreenActivityParams
 import com.duckduckgo.duckchat.impl.DuckChatInternal
@@ -37,6 +40,7 @@ interface InputScreenConfigResolver {
 @SingleInstanceIn(scope = ActivityScope::class)
 class InputScreenConfigResolverImpl @Inject constructor(
     private val duckChatInternal: DuckChatInternal,
+    @ActivityContext private val activityContext: Context,
 ) : InputScreenConfigResolver {
     companion object {
         fun useTopBar(
@@ -59,5 +63,5 @@ class InputScreenConfigResolverImpl @Inject constructor(
         useTopBar(
             isTopOmnibar = isTopOmnibar,
             duckChatInternal = duckChatInternal,
-        )
+        ) || activityContext.resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
 }

duckchat/duckchat-impl/src/test/kotlin/com/duckduckgo/duckchat/impl/inputscreen/ui/InputScreenConfigResolverTest.kt

@@ -16,7 +16,10 @@
 
 package com.duckduckgo.duckchat.impl.inputscreen.ui
 
+import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
+import android.content.res.Resources
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.duckduckgo.duckchat.api.inputscreen.InputScreenActivityParams
 import com.duckduckgo.duckchat.impl.DuckChatInternal
@@ -33,13 +36,19 @@ import org.mockito.kotlin.whenever
 class InputScreenConfigResolverTest {
     private val duckChatInternal: DuckChatInternal = mock()
     private val inputScreenBottomBarEnabled = MutableStateFlow(false)
+    private val mockActivityContext: Context = mock()
+    private val mockResources: Resources = mock()
+    private val configuration = Configuration()
 
     private lateinit var inputScreenConfigResolver: InputScreenConfigResolverImpl
 
     @Before
     fun setup() {
         whenever(duckChatInternal.inputScreenBottomBarEnabled).thenReturn(inputScreenBottomBarEnabled)
-        inputScreenConfigResolver = InputScreenConfigResolverImpl(duckChatInternal)
+        whenever(mockActivityContext.resources).thenReturn(mockResources)
+        whenever(mockResources.configuration).thenReturn(configuration)
+        configuration.orientation = Configuration.ORIENTATION_PORTRAIT
+        inputScreenConfigResolver = InputScreenConfigResolverImpl(duckChatInternal, mockActivityContext)
     }
 
     @Test
@@ -118,4 +127,68 @@ class InputScreenConfigResolverTest {
 
         assertFalse(inputScreenConfigResolver.useTopBar())
     }
+
+    @Test
+    fun `when landscape and isTopOmnibar true and bottom bar enabled then useTopBar returns true`() {
+        configuration.orientation = Configuration.ORIENTATION_LANDSCAPE
+
+        val intent = Intent().apply {
+            putExtra(
+                "ACTIVITY_SERIALIZABLE_PARAMETERS_ARG",
+                InputScreenActivityParams(query = "", isTopOmnibar = true),
+            )
+        }
+        inputScreenConfigResolver.onInputScreenCreated(intent)
+        inputScreenBottomBarEnabled.value = true
+
+        assertTrue(inputScreenConfigResolver.useTopBar())
+    }
+
+    @Test
+    fun `when landscape and isTopOmnibar true and bottom bar disabled then useTopBar returns true`() {
+        configuration.orientation = Configuration.ORIENTATION_LANDSCAPE
+
+        val intent = Intent().apply {
+            putExtra(
+                "ACTIVITY_SERIALIZABLE_PARAMETERS_ARG",
+                InputScreenActivityParams(query = "", isTopOmnibar = true),
+            )
+        }
+        inputScreenConfigResolver.onInputScreenCreated(intent)
+        inputScreenBottomBarEnabled.value = false
+
+        assertTrue(inputScreenConfigResolver.useTopBar())
+    }
+
+    @Test
+    fun `when landscape and isTopOmnibar false and bottom bar enabled then useTopBar returns true`() {
+        configuration.orientation = Configuration.ORIENTATION_LANDSCAPE
+
+        val intent = Intent().apply {
+            putExtra(
+                "ACTIVITY_SERIALIZABLE_PARAMETERS_ARG",
+                InputScreenActivityParams(query = "", isTopOmnibar = false),
+            )
+        }
+        inputScreenConfigResolver.onInputScreenCreated(intent)
+        inputScreenBottomBarEnabled.value = true
+
+        assertTrue(inputScreenConfigResolver.useTopBar())
+    }
+
+    @Test
+    fun `when landscape and isTopOmnibar false and bottom bar disabled then useTopBar returns true`() {
+        configuration.orientation = Configuration.ORIENTATION_LANDSCAPE
+
+        val intent = Intent().apply {
+            putExtra(
+                "ACTIVITY_SERIALIZABLE_PARAMETERS_ARG",
+                InputScreenActivityParams(query = "", isTopOmnibar = false),
+            )
+        }
+        inputScreenConfigResolver.onInputScreenCreated(intent)
+        inputScreenBottomBarEnabled.value = false
+
+        assertTrue(inputScreenConfigResolver.useTopBar())
+    }
 }