Duck.ai: Omnibar interactions

Author: malmstein

app/src/main/java/com/duckduckgo/app/browser/BrowserActivity.kt

@@ -34,9 +34,12 @@ import android.widget.Toast
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.result.ActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
+import androidx.activity.viewModels
 import androidx.annotation.VisibleForTesting
 import androidx.core.view.isVisible
 import androidx.core.view.postDelayed
+import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.Lifecycle.State.STARTED
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
@@ -90,6 +93,7 @@ import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter
 import com.duckduckgo.app.tabs.TabManagerFeatureFlags
 import com.duckduckgo.app.tabs.model.TabEntity
 import com.duckduckgo.app.tabs.ui.DefaultSnackbar
+import com.duckduckgo.app.tabs.ui.TabSwitcherActivity
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
 import com.duckduckgo.autofill.api.emailprotection.EmailProtectionLinkVerifier
 import com.duckduckgo.browser.api.ui.BrowserScreens.BookmarksScreenNoParams
@@ -110,6 +114,7 @@ import com.duckduckgo.common.utils.playstore.PlayStoreUtils
 import com.duckduckgo.di.scopes.ActivityScope
 import com.duckduckgo.duckchat.api.DuckAiFeatureState
 import com.duckduckgo.duckchat.api.DuckChat
+import com.duckduckgo.duckchat.api.viewmodel.DuckChatSharedViewModel
 import com.duckduckgo.duckchat.impl.ui.DuckChatWebViewFragment
 import com.duckduckgo.duckchat.impl.ui.DuckChatWebViewFragment.Companion.KEY_DUCK_AI_TABS
 import com.duckduckgo.duckchat.impl.ui.DuckChatWebViewFragment.Companion.KEY_DUCK_AI_URL
@@ -249,6 +254,7 @@ open class BrowserActivity : DuckDuckGoActivity() {
         }
 
     private val viewModel: BrowserViewModel by bindViewModel()
+    private val duckChatViewModel: DuckChatSharedViewModel by viewModels()
 
     private var instanceStateBundles: CombinedInstanceState? = null
 
@@ -360,6 +366,8 @@ open class BrowserActivity : DuckDuckGoActivity() {
         viewModel.viewState.observe(this) {
             renderer.renderBrowserViewState(it)
         }
+        observeDuckChatSharedCommands()
+
         viewModel.awaitClearDataFinishedNotification()
         initializeServiceWorker()
 
@@ -979,6 +987,37 @@ open class BrowserActivity : DuckDuckGoActivity() {
         )
     }
 
+    private val tabSwitcherActivityResult =
+        registerForActivityResult(StartActivityForResult()) { result ->
+            if (result.resultCode == RESULT_OK) {
+                // Handle any result data if needed
+                result.data?.let { intent ->
+                    intent.extras?.let { extras ->
+                        val deletedTabIds = extras.getStringArrayList(TabSwitcherActivity.EXTRA_KEY_DELETED_TAB_IDS)
+                        if (!deletedTabIds.isNullOrEmpty()) {
+                            onTabsDeletedInTabSwitcher(deletedTabIds)
+                        }
+                    }
+                }
+            }
+        }
+
+    private fun observeDuckChatSharedCommands() {
+        lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                duckChatViewModel.command.collect { command ->
+                    when (command) {
+                        DuckChatSharedViewModel.Command.LaunchFire -> launchFire()
+                        DuckChatSharedViewModel.Command.LaunchTabSwitcher -> {
+                            val intent = TabSwitcherActivity.intent(this@BrowserActivity)
+                            tabSwitcherActivityResult.launch(intent)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
     override fun onAttachFragment(fragment: androidx.fragment.app.Fragment) {
         super.onAttachFragment(fragment)
         hideMockupOmnibar()

duckchat/duckchat-api/build.gradle

@@ -30,6 +30,7 @@ android {
 
 dependencies {
     implementation project(':navigation-api')
+    implementation project(':common-utils')
 
     implementation KotlinX.coroutines.core
     implementation AndroidX.appCompat

duckchat/duckchat-api/src/main/java/com/duckduckgo/duckchat/api/viewmodel/DuckChatSharedViewModel.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2025 DuckDuckGo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.duckduckgo.duckchat.api.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.receiveAsFlow
+import kotlinx.coroutines.launch
+
+class DuckChatSharedViewModel() : ViewModel() {
+
+    private val _command = Channel<Command>()
+    val command = _command.receiveAsFlow() // Activity will collect this
+
+    fun onFireButtonClicked() {
+        viewModelScope.launch {
+            _command.send(Command.LaunchFire)
+        }
+    }
+
+    fun onTabSwitcherCLicked() {
+        viewModelScope.launch {
+            _command.send(Command.LaunchTabSwitcher)
+        }
+    }
+
+    sealed class Command {
+        object LaunchFire : Command()
+        object LaunchTabSwitcher : Command()
+    }
+}

duckchat/duckchat-impl/build.gradle

@@ -52,6 +52,7 @@ dependencies {
 
     implementation KotlinX.coroutines.android
     implementation AndroidX.core.ktx
+    implementation AndroidX.fragment.ktx
     implementation Google.android.material
     implementation Google.dagger
     implementation AndroidX.work.runtimeKtx

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

@@ -18,6 +18,7 @@ package com.duckduckgo.duckchat.impl.ui
 
 import android.content.Context
 import android.util.AttributeSet
+import android.view.View
 import android.widget.FrameLayout
 import com.duckduckgo.anvil.annotations.InjectWith
 import com.duckduckgo.browser.ui.tabs.NewTabSwitcherButton
@@ -37,6 +38,7 @@ class DuckChatOmnibarLayout @JvmOverloads constructor(
     internal val fireIconMenu: FrameLayout by lazy { findViewById(R.id.inputFieldFireButton) }
     internal val browserMenu: FrameLayout by lazy { findViewById(R.id.inputFieldBrowserMenu) }
     internal val historyMenu: FrameLayout by lazy { findViewById(R.id.duckAiHistoryButton) }
+    internal val inputCard: View by lazy { findViewById(R.id.inputModeWidgetCard) }
 
     private var omnibarItemPressedListener: ItemPressedListener? = null
 
@@ -52,7 +54,6 @@ class DuckChatOmnibarLayout @JvmOverloads constructor(
 
     init {
         inflate(context, R.layout.view_duck_chat_omnibar, this)
-
         AndroidSupportInjection.inject(this)
     }
 
@@ -73,6 +74,9 @@ class DuckChatOmnibarLayout @JvmOverloads constructor(
         historyMenu.setOnClickListener {
             omnibarItemPressedListener?.onHistoryMenuPressed()
         }
+
+        inputCard.setOnClickListener {
+        }
     }
 
     fun setTabsCount(tabs: Int) {

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

@@ -39,6 +39,7 @@ import android.webkit.WebView
 import androidx.annotation.AnyThread
 import androidx.appcompat.widget.Toolbar
 import androidx.core.content.ContextCompat
+import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.flowWithLifecycle
@@ -65,6 +66,7 @@ import com.duckduckgo.downloads.api.DownloadStateListener
 import com.duckduckgo.downloads.api.DownloadsFileActions
 import com.duckduckgo.downloads.api.FileDownloader
 import com.duckduckgo.downloads.api.FileDownloader.PendingFileDownload
+import com.duckduckgo.duckchat.api.viewmodel.DuckChatSharedViewModel
 import com.duckduckgo.duckchat.impl.DuckChatInternal
 import com.duckduckgo.duckchat.impl.R
 import com.duckduckgo.duckchat.impl.databinding.ActivityDuckChatWebviewBinding
@@ -108,6 +110,8 @@ open class DuckChatWebViewFragment : DuckDuckGoFragment(R.layout.activity_duck_c
         ViewModelProvider(this, viewModelFactory)[DuckChatWebViewViewModel::class.java]
     }
 
+    private val sharedViewModel: DuckChatSharedViewModel by activityViewModels()
+
     @Inject
     lateinit var webViewClient: DuckChatWebViewClient
 
@@ -368,11 +372,11 @@ open class DuckChatWebViewFragment : DuckDuckGoFragment(R.layout.activity_duck_c
         duckChatOmnibar?.setOmnibarItemPressedListener(
             object : DuckChatOmnibarLayout.ItemPressedListener {
                 override fun onTabsButtonPressed() {
-                    Snackbar.make(root, "Tabs", Snackbar.LENGTH_SHORT).show()
+                    sharedViewModel.onTabSwitcherCLicked()
                 }
 
                 override fun onFireButtonPressed() {
-                    Snackbar.make(root, "Fire", Snackbar.LENGTH_SHORT).show()
+                    sharedViewModel.onFireButtonClicked()
                 }
 
                 override fun onBrowserMenuPressed() {