restor extension pop up fragment

app/android/app/src/main/AndroidManifest.xml

@@ -205,6 +205,11 @@
             android:exported="false"
             android:theme="@style/AppTheme" />
 
+        <activity
+            android:name="eu.weblibre.flutter_mozilla_components.addons.WebExtensionActionPopupActivity"
+            android:label="@string/mozac_feature_addons_addons"
+            android:theme="@style/AppTheme"/>
+
         <receiver
             android:name=".SearchBarWidgetReceiver"
             android:exported="true">

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/BaseBrowserFragment.kt

@@ -22,6 +22,7 @@ import androidx.annotation.CallSuper
 import androidx.core.content.edit
 import androidx.fragment.app.Fragment
 import androidx.preference.PreferenceManager
+import eu.weblibre.flutter_mozilla_components.addons.WebExtensionActionPopupActivity
 import eu.weblibre.flutter_mozilla_components.addons.WebExtensionPromptFeature
 import eu.weblibre.flutter_mozilla_components.databinding.FragmentBrowserBinding
 import eu.weblibre.flutter_mozilla_components.ext.getPreferenceKey
@@ -32,12 +33,7 @@ import eu.weblibre.flutter_mozilla_components.integration.ReaderViewIntegration
 import eu.weblibre.flutter_mozilla_components.activities.ExternalAppBrowserActivity
 import eu.weblibre.flutter_mozilla_components.services.DownloadService
 import io.flutter.Log
-import mozilla.components.browser.state.action.TabListAction
-import mozilla.components.browser.state.action.WebExtensionAction
-import mozilla.components.browser.state.state.EngineState
-import mozilla.components.browser.state.state.SessionState
 import mozilla.components.browser.state.state.WebExtensionState
-import mozilla.components.browser.state.state.createTab
 import mozilla.components.browser.thumbnails.BrowserThumbnails
 import mozilla.components.concept.engine.EngineView
 import mozilla.components.feature.app.links.AppLinksFeature
@@ -521,16 +517,14 @@ abstract class BaseBrowserFragment : Fragment(), UserInteractionHandler, Activit
     protected open fun onEngineSetupComplete() {}
 
     private fun openPopup(webExtensionState: WebExtensionState) {
-        val store = components.core.store
+        val intent = Intent(
-        val popupSession = store.state.extensions[webExtensionState.id]?.popupSession ?: return
+            components.profileApplicationContext,
-
+            WebExtensionActionPopupActivity::class.java
-        val tab = createTab(url = "", source = SessionState.Source.Internal.None)
-            .copy(engineState = EngineState(popupSession))
-        store.dispatch(TabListAction.AddTabAction(tab, select = true))
-
-        store.dispatch(
-            WebExtensionAction.UpdatePopupSessionAction(webExtensionState.id, popupSession = null)
         )
+        intent.putExtra("web_extension_id", webExtensionState.id)
+        intent.putExtra("web_extension_name", webExtensionState.name)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        startActivity(intent)
     }
 
     @CallSuper

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/addons/WebExtensionActionPopupActivity.kt

@@ -0,0 +1,127 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package eu.weblibre.flutter_mozilla_components.addons
+
+import android.content.Context
+import android.os.Bundle
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import mozilla.components.browser.state.action.WebExtensionAction
+import mozilla.components.concept.engine.EngineSession
+import mozilla.components.concept.engine.EngineView
+import mozilla.components.concept.engine.window.WindowRequest
+import mozilla.components.lib.state.ext.consumeFrom
+import eu.weblibre.flutter_mozilla_components.R
+
+/**
+ * An activity to show the pop up action of a web extension.
+ */
+class WebExtensionActionPopupActivity : AppCompatActivity() {
+    private val components by lazy {
+        requireNotNull(GlobalComponents.components) { "Components not initialized" }
+    }
+
+    private lateinit var webExtensionId: String
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_add_on_settings)
+
+        webExtensionId = requireNotNull(intent.getStringExtra("web_extension_id"))
+        intent.getStringExtra("web_extension_name")?.let {
+            title = it
+        }
+
+        supportFragmentManager
+            .beginTransaction()
+            .replace(R.id.addonSettingsContainer, WebExtensionActionPopupFragment.create(webExtensionId))
+            .commit()
+    }
+
+    override fun onCreateView(parent: View?, name: String, context: Context, attrs: AttributeSet): View? =
+        when (name) {
+            EngineView::class.java.name -> components.core.engine.createView(context, attrs).asView()
+            else -> super.onCreateView(parent, name, context, attrs)
+        }
+
+    /**
+     * A fragment to show the web extension action popup with [EngineView].
+     */
+    class WebExtensionActionPopupFragment : Fragment(), EngineSession.Observer {
+        private val components by lazy {
+            requireNotNull(GlobalComponents.components) { "Components not initialized" }
+        }
+
+        private var engineSession: EngineSession? = null
+        private lateinit var webExtensionId: String
+
+        private val addonSettingsEngineView: EngineView
+            get() = requireView().findViewById<View>(R.id.addonSettingsEngineView) as EngineView
+
+        override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+            webExtensionId = requireNotNull(arguments?.getString("web_extension_id"))
+            engineSession = components.core.store.state.extensions[webExtensionId]?.popupSession
+
+            return inflater.inflate(R.layout.fragment_add_on_settings, container, false)
+        }
+
+        override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+            super.onViewCreated(view, savedInstanceState)
+
+            val session = engineSession
+            if (session != null) {
+                addonSettingsEngineView.render(session)
+                consumePopupSession()
+            } else {
+                consumeFrom(components.core.store) { state ->
+                    state.extensions[webExtensionId]?.let { extState ->
+                        extState.popupSession?.let {
+                            if (engineSession == null) {
+                                addonSettingsEngineView.render(it)
+                                consumePopupSession()
+                                engineSession = it
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        override fun onStart() {
+            super.onStart()
+            engineSession?.register(this)
+        }
+
+        override fun onStop() {
+            super.onStop()
+            engineSession?.unregister(this)
+        }
+
+        override fun onWindowRequest(windowRequest: WindowRequest) {
+            if (windowRequest.type == WindowRequest.Type.CLOSE) {
+                activity?.onBackPressedDispatcher?.onBackPressed()
+            }
+        }
+
+        private fun consumePopupSession() {
+            components.core.store.dispatch(
+                WebExtensionAction.UpdatePopupSessionAction(webExtensionId, popupSession = null),
+            )
+        }
+
+        companion object {
+            fun create(webExtensionId: String) = WebExtensionActionPopupFragment().apply {
+                arguments = Bundle().apply {
+                    putString("web_extension_id", webExtensionId)
+                }
+            }
+        }
+    }
+}

packages/flutter_mozilla_components/android/src/main/res/layout/activity_add_on_settings.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?><!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/addonSettingsContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

packages/flutter_mozilla_components/android/src/main/res/layout/fragment_add_on_settings.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_height="match_parent">
+
+    <mozilla.components.concept.engine.EngineView
+        tools:ignore="Instantiatable"
+        android:id="@+id/addonSettingsEngineView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

packages/flutter_mozilla_components/example/android/app/src/main/AndroidManifest.xml

@@ -91,6 +91,11 @@
             android:exported="false"
             android:theme="@style/Theme.AppCompat.Light" />
 
+        <activity
+            android:name="eu.weblibre.flutter_mozilla_components.addons.WebExtensionActionPopupActivity"
+            android:label="@string/mozac_feature_addons_addons"
+            android:theme="@style/Theme.AppCompat.Light"/>
+
         <service
             android:name="eu.weblibre.flutter_mozilla_components.services.DownloadService"
             android:foregroundServiceType="dataSync" />