major update

packages/flutter_mozilla_components/android/src/main/assets/extensions/browser_extension/feed.js

@@ -0,0 +1,40 @@
+const FEED_MIME_TYPES = [
+  "application/atom",
+  "application/rss"
+];
+
+// Listen for any webRequest that might be a feed
+browser.webRequest.onHeadersReceived.addListener(
+  function (details) {
+    let isFeed = false;
+
+    for (let header of details.responseHeaders) {
+      if (header.name.toLowerCase() === "content-type") {
+        const contentType = header.value.toLowerCase();
+
+        for (const mimeType of FEED_MIME_TYPES) {
+          if (contentType.includes(mimeType)) {
+            isFeed = true;
+            break;
+          }
+        }
+
+        if (isFeed) break;
+      }
+    }
+
+    if (isFeed) {
+      port.postMessage({
+        "type": "feedRequest",
+        "url": details.url
+      });
+
+      return { cancel: true };
+    }
+
+    // Not a feed, let the browser handle it normally
+    return { responseHeaders: details.responseHeaders };
+  },
+  { urls: ["<all_urls>"] },
+  ["blocking", "responseHeaders"]
+);

packages/flutter_mozilla_components/android/src/main/assets/extensions/browser_extension/manifest.json

@@ -2,20 +2,24 @@
   "manifest_version": 2,
   "browser_specific_settings": {
     "gecko": {
-      "id": "turndown@movenext.me"
+      "id": "browser_extension@movenext.me"
     }
   },
-  "name": "Converts html to markdown",
+  "name": "Misc extensions",
   "version": "1.0",
   "background": {
     "scripts": [
       "readability.min.js",
-      "background.js"
+      "port.js",
+      "turndown.js",
+      "feed.js"
     ]
   },
   "permissions": [
     "geckoViewAddons",
     "nativeMessaging",
+    "webRequest",
+    "webRequestBlocking",
     "<all_urls>"
   ]
 }

packages/flutter_mozilla_components/android/src/main/assets/extensions/browser_extension/port.js

@@ -0,0 +1 @@
+const port = browser.runtime.connectNative("mozacBrowserExtension");

packages/flutter_mozilla_components/android/src/main/assets/extensions/browser_extension/turndown.js

@@ -1,4 +1,3 @@
-const port = browser.runtime.connectNative("mozacTurndownHtml");
 const parser = new DOMParser();
 
 port.onMessage.addListener(message => {
@@ -15,6 +14,7 @@ port.onMessage.addListener(message => {
         });
 
         port.postMessage({
+          "type": "turndown",
           "id": requestId,
           "status": "success",
           "result": results

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/Components.kt

@@ -8,6 +8,7 @@ import eu.lensai.flutter_mozilla_components.components.Features
 import eu.lensai.flutter_mozilla_components.components.Search
 import eu.lensai.flutter_mozilla_components.components.Services
 import eu.lensai.flutter_mozilla_components.components.UseCases
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoAddonEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoStateEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoSuggestionEvents
@@ -21,10 +22,11 @@ class Components(private val context: Context,
                  val flutterEvents: GeckoStateEvents,
                  val readerViewController: ReaderViewController,
                  val selectionAction: SelectionActionDelegate,
-                 val addonEvents: GeckoAddonEvents,
-                 val tabContentEvents: GeckoTabContentEvents
+                 private val addonEvents: GeckoAddonEvents,
+                 private val tabContentEvents: GeckoTabContentEvents,
+                 private val extensionEvents: BrowserExtensionEvents
 ) {
-    val core by lazy { Core(context, this, flutterEvents) }
+    val core by lazy { Core(context, this, flutterEvents, extensionEvents) }
     val events by lazy { Events(flutterEvents) }
     val useCases by lazy { UseCases(context, core.engine, core.store) }
     val services by lazy { Services(context, useCases.tabsUseCases) }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/EngineProvider.kt

@@ -8,7 +8,8 @@ import android.content.Context
 import eu.lensai.flutter_mozilla_components.feature.ContainerProxyFeature
 import eu.lensai.flutter_mozilla_components.feature.CookieManagerFeature
 import eu.lensai.flutter_mozilla_components.feature.PrefManagerFeature
-import eu.lensai.flutter_mozilla_components.feature.TurndownFeature
+import eu.lensai.flutter_mozilla_components.feature.BrowserExtensionFeature
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import mozilla.components.browser.engine.gecko.GeckoEngine
 import mozilla.components.browser.engine.gecko.fetch.GeckoViewFetchClient
 import mozilla.components.concept.engine.DefaultSettings
@@ -44,7 +45,7 @@ object EngineProvider {
         return runtime!!
     }
 
-    fun createEngine(context: Context, defaultSettings: DefaultSettings): Engine {
+    fun createEngine(context: Context, defaultSettings: DefaultSettings, extensionEvents: BrowserExtensionEvents): Engine {
         Logger.debug("Creating Engine")
         val runtime = getOrCreateRuntime(context)
 
@@ -53,7 +54,7 @@ object EngineProvider {
             CookieManagerFeature.install(it)
             PrefManagerFeature.install(it)
             ContainerProxyFeature.install(it)
-            TurndownFeature.install(it)
+            BrowserExtensionFeature.install(it, extensionEvents)
         }
     }
 

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/FlutterMozillaComponentsPlugin.kt

@@ -2,6 +2,7 @@ package eu.lensai.flutter_mozilla_components
 
 import android.app.Activity
 import android.content.Intent
+import android.view.View
 import androidx.fragment.app.FragmentActivity
 import eu.lensai.flutter_mozilla_components.activities.NotificationActivity
 import eu.lensai.flutter_mozilla_components.api.GeckoAddonsApiImpl
@@ -18,11 +19,13 @@ import eu.lensai.flutter_mozilla_components.api.GeckoSelectionActionControllerIm
 import eu.lensai.flutter_mozilla_components.api.GeckoSessionApiImpl
 import eu.lensai.flutter_mozilla_components.api.GeckoSuggestionApiImpl
 import eu.lensai.flutter_mozilla_components.api.GeckoTabsApiImpl
-import eu.lensai.flutter_mozilla_components.api.GeckoTurndownApiImpl
+import eu.lensai.flutter_mozilla_components.api.GeckoBrowserExtensionApiImpl
 import eu.lensai.flutter_mozilla_components.feature.DefaultSelectionActionDelegate
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoAddonEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoAddonsApi
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoBrowserApi
+import eu.lensai.flutter_mozilla_components.pigeons.GeckoBrowserExtensionApi
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoContainerProxyApi
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoCookieApi
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoDeleteBrowsingDataController
@@ -39,7 +42,6 @@ import eu.lensai.flutter_mozilla_components.pigeons.GeckoSuggestionApi
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoSuggestionEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoTabContentEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoTabsApi
-import eu.lensai.flutter_mozilla_components.pigeons.GeckoTurndownApi
 import eu.lensai.flutter_mozilla_components.pigeons.ReaderViewController
 import eu.lensai.flutter_mozilla_components.pigeons.ReaderViewEvents
 
@@ -68,7 +70,6 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
   private lateinit var _flutterEvents : GeckoStateEvents
 
   private var isPlatformViewRegistered = false
-  private var pendingFragmentShow = false
 
   override fun onAttachedToEngine(flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
     synchronized(this) {
@@ -92,6 +93,8 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
     val readerViewController =
       ReaderViewController(_flutterPluginBinding.binaryMessenger)
 
+    val extensionEvents = BrowserExtensionEvents(_flutterPluginBinding.binaryMessenger)
+
     val addonEvents = GeckoAddonEvents(_flutterPluginBinding.binaryMessenger)
     val tabContentEvents = GeckoTabContentEvents(_flutterPluginBinding.binaryMessenger)
 
@@ -105,6 +108,7 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
       selectionActionDelegate,
       addonEvents,
       tabContentEvents,
+      extensionEvents
     )
 
     GeckoBrowserApi.setUp(_flutterPluginBinding.binaryMessenger, GeckoBrowserApiImpl {
@@ -125,7 +129,7 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
     ))
     GeckoDeleteBrowsingDataController.setUp(_flutterPluginBinding.binaryMessenger, GeckoDeleteBrowsingDataControllerImpl())
     GeckoDownloadsApi.setUp(_flutterPluginBinding.binaryMessenger, GeckoDownloadsApiImpl())
-    GeckoTurndownApi.setUp(_flutterPluginBinding.binaryMessenger, GeckoTurndownApiImpl())
+    GeckoBrowserExtensionApi.setUp(_flutterPluginBinding.binaryMessenger, GeckoBrowserExtensionApiImpl())
 
     ReaderViewEvents.setUp(
       _flutterPluginBinding.binaryMessenger,
@@ -137,21 +141,31 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
     flutterPluginBinding.applicationContext.startActivity(intent)
   }
 
-  private fun showNativeFragment() {
+  private fun showNativeFragment(): Boolean {
     if (!isPlatformViewRegistered) {
-      pendingFragmentShow = true
-      return
+      return false
     }
 
-    if (activity == null) {
-      return
+    if (activity == null || activity !is FragmentActivity) {
+      return false
+    }
+
+    val fragmentActivity = activity as FragmentActivity
+
+    // Check if the container view exists in the view hierarchy
+    val container = fragmentActivity.findViewById<View>(FRAGMENT_CONTAINER_ID)
+    if (container == null) {
+      // Container doesn't exist yet, retry later
+      return false
     }
 
     val nativeFragment = BrowserFragment.create()
-    val fm = (activity as FragmentActivity).supportFragmentManager
+    val fm = fragmentActivity.supportFragmentManager
     fm.beginTransaction()
       .replace(FRAGMENT_CONTAINER_ID, nativeFragment)
       .commitAllowingStateLoss()
+
+    return true
   }
 
   override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
@@ -170,12 +184,6 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
     )
 
     isPlatformViewRegistered = true
-
-    // Process any pending fragment show request
-    if (pendingFragmentShow) {
-      pendingFragmentShow = false
-      showNativeFragment()
-    }
   }
 
   override fun onDetachedFromActivityForConfigChanges() {
@@ -189,6 +197,5 @@ class FlutterMozillaComponentsPlugin: FlutterPlugin, ActivityAware {
   override fun onDetachedFromActivity() {
     this.activity = null
     isPlatformViewRegistered = false
-    pendingFragmentShow = false
   }
 }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/GeckoPlatformView.kt

@@ -37,7 +37,13 @@ private class NativeFragmentView(
             FrameLayout.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT
             )
-        container = FrameLayout(activity!!)
+
+        // Ensure activity is not null before creating the container
+        if (activity == null) {
+            throw IllegalStateException("Activity cannot be null when creating NativeFragmentView")
+        }
+
+        container = FrameLayout(activity)
         container.layoutParams = vParams
         container.id = containerId
     }
@@ -45,8 +51,8 @@ private class NativeFragmentView(
     override fun onFlutterViewAttached(flutterView: View) {
         super.onFlutterViewAttached(flutterView)
 
-        components.engineReportedInitialized = false;
-        flutterEvents.onViewReadyStateChange(System.currentTimeMillis(),true) { _ -> }
+        components.engineReportedInitialized = false
+        flutterEvents.onViewReadyStateChange(System.currentTimeMillis(), true) { _ -> }
     }
 
     override fun getView(): View {

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/GlobalComponents.kt

@@ -1,6 +1,7 @@
 package eu.lensai.flutter_mozilla_components
 
 import android.content.Context
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoAddonEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoStateEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoSuggestionEvents
@@ -44,7 +45,8 @@ object GlobalComponents {
         readerViewController: ReaderViewController,
         selectionAction: SelectionActionDelegate,
         addonEvents: GeckoAddonEvents,
-        tabContentEvents: GeckoTabContentEvents
+        tabContentEvents: GeckoTabContentEvents,
+        extensionEvents: BrowserExtensionEvents
     ) {
         Logger.debug("Creating new components")
 
@@ -54,7 +56,8 @@ object GlobalComponents {
             readerViewController,
             selectionAction,
             addonEvents,
-            tabContentEvents
+            tabContentEvents,
+            extensionEvents
         )
 
         //newComponents.crashReporter.install(applicationContext)

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/api/GeckoBrowserApiImpl.kt

@@ -9,17 +9,19 @@ import mozilla.components.feature.addons.logger
  * Implementation of GeckoBrowserApi that handles browser-related operations
  * @param showFragmentCallback Callback function to show native fragment
  */
-class GeckoBrowserApiImpl(private val showFragmentCallback: () -> Unit) : GeckoBrowserApi {
+class GeckoBrowserApiImpl(private val showFragmentCallback: () -> Boolean) : GeckoBrowserApi {
     companion object {
         private const val TAG = "GeckoBrowserApiImpl"
     }
 
-    override fun showNativeFragment() {
+    override fun showNativeFragment(): Boolean {
         try {
-            showFragmentCallback()
+            return showFragmentCallback()
         } catch (e: Exception) {
             logger.error("Failed to show native fragment", e)
         }
+
+        return false
     }
 
     override fun onTrimMemory(level: Long) {

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/api/GeckoBrowserExtensionApiImpl.kt

@@ -1,12 +1,12 @@
 package eu.lensai.flutter_mozilla_components.api
 
 import eu.lensai.flutter_mozilla_components.feature.ResultConsumer
-import eu.lensai.flutter_mozilla_components.feature.TurndownFeature
-import eu.lensai.flutter_mozilla_components.pigeons.GeckoTurndownApi
+import eu.lensai.flutter_mozilla_components.feature.BrowserExtensionFeature
+import eu.lensai.flutter_mozilla_components.pigeons.GeckoBrowserExtensionApi
 import org.json.JSONArray
 import org.json.JSONObject
 
-class GeckoTurndownApiImpl : GeckoTurndownApi {
+class GeckoBrowserExtensionApiImpl : GeckoBrowserExtensionApi {
     private fun JSONObject.toMap(): Map<String, Any> {
         val map = mutableMapOf<String, Any>()
         val keys = this.keys()
@@ -38,7 +38,7 @@ class GeckoTurndownApiImpl : GeckoTurndownApi {
     }
 
     override fun getMarkdown(htmlList: List<String>, callback: (Result<List<Any>>) -> Unit) {
-        TurndownFeature.scheduleRequest("turndown", htmlList, object :
+        BrowserExtensionFeature.scheduleRequest("turndown", htmlList, object :
             ResultConsumer<JSONObject> {
             override fun success(result: JSONObject) {
                 val resultArray = result.getJSONArray("result")

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/components/Core.kt

@@ -14,6 +14,7 @@ import eu.lensai.flutter_mozilla_components.activities.NotificationActivity
 import eu.lensai.flutter_mozilla_components.R
 import eu.lensai.flutter_mozilla_components.ext.getPreferenceKey
 import eu.lensai.flutter_mozilla_components.middleware.FlutterEventMiddleware
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import eu.lensai.flutter_mozilla_components.pigeons.GeckoStateEvents
 import kotlinx.coroutines.FlowPreview
 import mozilla.components.browser.engine.gecko.permission.GeckoSitePermissionsStorage
@@ -54,6 +55,7 @@ private const val DAY_IN_MINUTES = 24 * 60L
 class Core(private val context: Context,
            private val components: Components,
            private val flutterEvents: GeckoStateEvents,
+           private val extensionEvents: BrowserExtensionEvents
 ) {
     val prefs by lazy {
         PreferenceManager.getDefaultSharedPreferences(context)
@@ -95,7 +97,7 @@ class Core(private val context: Context,
     }
 
     val engine: Engine by lazy {
-        EngineProvider.createEngine(context, engineSettings)
+        EngineProvider.createEngine(context, engineSettings, extensionEvents)
     }
 
     /**

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/feature/BrowserExtensionFeature.kt

@@ -1,6 +1,7 @@
 package eu.lensai.flutter_mozilla_components.feature
 
 import androidx.annotation.VisibleForTesting
+import eu.lensai.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.sync.Mutex
@@ -13,13 +14,15 @@ import mozilla.components.support.base.log.logger.Logger
 import mozilla.components.support.webextensions.WebExtensionController
 import org.json.JSONArray
 import org.json.JSONObject
+import org.mozilla.gecko.util.ThreadUtils.runOnUiThread
 
-object TurndownFeature {
-    private val logger = Logger("turndown")
+object BrowserExtensionFeature {
+    private val logger = Logger("browser_extension")
 
-    private const val PREF_MANAGER_REPORTER_EXTENSION_ID = "turndown@movenext.me"
-    private const val PREF_MANAGER_REPORTER_EXTENSION_URL = "resource://android/assets/extensions/turndown/"
-    private const val PREF_MANAGER_REPORTER_MESSAGING_ID = "mozacTurndownHtml"
+    private const val PREF_MANAGER_REPORTER_EXTENSION_ID = "browser_extension@movenext.me"
+    private const val PREF_MANAGER_REPORTER_EXTENSION_URL =
+        "resource://android/assets/extensions/browser_extension/"
+    private const val PREF_MANAGER_REPORTER_MESSAGING_ID = "mozacBrowserExtension"
 
     private var nextRequestId: Int = 0
     private val requestHandlers = HashMap<Int, ResultConsumer<JSONObject>>()
@@ -30,16 +33,22 @@ object TurndownFeature {
     internal var extensionController = WebExtensionController(
         PREF_MANAGER_REPORTER_EXTENSION_ID,
         PREF_MANAGER_REPORTER_EXTENSION_URL,
-        PREF_MANAGER_REPORTER_MESSAGING_ID,
+        PREF_MANAGER_REPORTER_MESSAGING_ID
     )
 
-    fun scheduleRequest(command: String, args: Any, callback: ResultConsumer<JSONObject>) {
+    fun scheduleRequest(
+        command: String,
+        args: Any,
+        callback: ResultConsumer<JSONObject>
+    ) {
         val message = JSONObject()
         message.put("action", command);
-        message.put("args", when (args) {
-            is List<*> -> JSONArray(args)
-            else -> args
-        })
+        message.put(
+            "args", when (args) {
+                is List<*> -> JSONArray(args)
+                else -> args
+            }
+        )
 
         runBlocking {
             withContext(Dispatchers.Default) {
@@ -56,23 +65,37 @@ object TurndownFeature {
         }
     }
 
-    private class TurndownBackgroundMessageHandler() : MessageHandler {
+    private class ExtensionBackgroundMessageHandler(
+        private val extensionEvents: BrowserExtensionEvents
+    ) : MessageHandler {
         override fun onPortMessage(message: Any, port: Port) {
             runBlocking {
                 withContext(Dispatchers.Default) {
                     mutex.withLock {
                         val messageJSON = message as JSONObject;
+                        val type = messageJSON.getString("type")
 
-                        val requestId = messageJSON.getInt("id")
-                        val status = messageJSON.getString("status")
-                        if (status == "success") {
-                            requestHandlers[requestId]?.success(message)
-                        } else {
-                            requestHandlers[requestId]?.error(
-                                "Pref Manager",
-                                "Failed to perform operation",
-                                message.getString("error")
-                            )
+                        if (type == "feedRequest") {
+                            val url = messageJSON.getString("url")
+
+                            runOnUiThread {
+                                extensionEvents.onFeedRequested(
+                                    System.currentTimeMillis(),
+                                    url
+                                ) { _ -> }
+                            }
+                        } else if (type == "turndown") {
+                            val requestId = messageJSON.getInt("id")
+                            val status = messageJSON.getString("status")
+                            if (status == "success") {
+                                requestHandlers[requestId]?.success(message)
+                            } else {
+                                requestHandlers[requestId]?.error(
+                                    "Pref Manager",
+                                    "Failed to perform operation",
+                                    message.getString("error")
+                                )
+                            }
                         }
                     }
                 }
@@ -87,17 +110,17 @@ object TurndownFeature {
      * @param productName a custom product name used to automatically label reports. Defaults to
      * "android-components".
      */
-    fun install(runtime: WebExtensionRuntime) {
+    fun install(runtime: WebExtensionRuntime, extensionEvents: BrowserExtensionEvents) {
         extensionController.registerBackgroundMessageHandler(
-            TurndownBackgroundMessageHandler(),
+            ExtensionBackgroundMessageHandler(extensionEvents)
         )
         extensionController.install(
             runtime,
             onSuccess = {
-                logger.debug("Installed Turndown webextension: ${it.id}")
+                logger.debug("Installed browser_extension webextension: ${it.id}")
             },
             onError = { throwable ->
-                logger.error("Failed to install Turndown webextension: ", throwable)
+                logger.error("Failed to install browser_extension webextension: ", throwable)
             },
         )
     }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/lensai/flutter_mozilla_components/pigeons/Gecko.g.kt

@@ -1994,7 +1994,7 @@ private open class GeckoPigeonCodec : StandardMessageCodec() {
 
 /** Generated interface from Pigeon that represents a handler of messages from Flutter. */
 interface GeckoBrowserApi {
-  fun showNativeFragment()
+  fun showNativeFragment(): Boolean
   fun onTrimMemory(level: Long)
 
   companion object {
@@ -2011,8 +2011,7 @@ interface GeckoBrowserApi {
         if (api != null) {
           channel.setMessageHandler { _, reply ->
             val wrapped: List<Any?> = try {
-              api.showNativeFragment()
-              listOf(null)
+              listOf(api.showNativeFragment())
             } catch (exception: Throwable) {
               wrapError(exception)
             }
@@ -2980,20 +2979,20 @@ interface GeckoPrefApi {
   }
 }
 /** Generated interface from Pigeon that represents a handler of messages from Flutter. */
-interface GeckoTurndownApi {
+interface GeckoBrowserExtensionApi {
   fun getMarkdown(htmlList: List<String>, callback: (Result<List<Any>>) -> Unit)
 
   companion object {
-    /** The codec used by GeckoTurndownApi. */
+    /** The codec used by GeckoBrowserExtensionApi. */
     val codec: MessageCodec<Any?> by lazy {
       GeckoPigeonCodec()
     }
-    /** Sets up an instance of `GeckoTurndownApi` to handle messages through the `binaryMessenger`. */
+    /** Sets up an instance of `GeckoBrowserExtensionApi` to handle messages through the `binaryMessenger`. */
     @JvmOverloads
-    fun setUp(binaryMessenger: BinaryMessenger, api: GeckoTurndownApi?, messageChannelSuffix: String = "") {
+    fun setUp(binaryMessenger: BinaryMessenger, api: GeckoBrowserExtensionApi?, messageChannelSuffix: String = "") {
       val separatedMessageChannelSuffix = if (messageChannelSuffix.isNotEmpty()) ".$messageChannelSuffix" else ""
       run {
-        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.flutter_mozilla_components.GeckoTurndownApi.getMarkdown$separatedMessageChannelSuffix", codec)
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.flutter_mozilla_components.GeckoBrowserExtensionApi.getMarkdown$separatedMessageChannelSuffix", codec)
         if (api != null) {
           channel.setMessageHandler { message, reply ->
             val args = message as List<Any?>
@@ -4010,3 +4009,29 @@ interface GeckoDownloadsApi {
     }
   }
 }
+/** Generated class from Pigeon that represents Flutter messages that can be called from Kotlin. */
+class BrowserExtensionEvents(private val binaryMessenger: BinaryMessenger, private val messageChannelSuffix: String = "") {
+  companion object {
+    /** The codec used by BrowserExtensionEvents. */
+    val codec: MessageCodec<Any?> by lazy {
+      GeckoPigeonCodec()
+    }
+  }
+  fun onFeedRequested(timestampArg: Long, urlArg: String, callback: (Result<Unit>) -> Unit)
+{
+    val separatedMessageChannelSuffix = if (messageChannelSuffix.isNotEmpty()) ".$messageChannelSuffix" else ""
+    val channelName = "dev.flutter.pigeon.flutter_mozilla_components.BrowserExtensionEvents.onFeedRequested$separatedMessageChannelSuffix"
+    val channel = BasicMessageChannel<Any?>(binaryMessenger, channelName, codec)
+    channel.send(listOf(timestampArg, urlArg)) {
+      if (it is List<*>) {
+        if (it.size > 1) {
+          callback(Result.failure(FlutterError(it[0] as String, it[1] as String, it[2] as String?)))
+        } else {
+          callback(Result.success(Unit))
+        }
+      } else {
+        callback(Result.failure(createConnectionError(channelName)))
+      } 
+    }
+  }
+}

packages/flutter_mozilla_components/lib/flutter_mozilla_components.dart

@@ -18,7 +18,7 @@ export 'src/domain/services/gecko_session.dart';
 export 'src/domain/services/gecko_suggestions.dart';
 export 'src/domain/services/gecko_tab.dart';
 export 'src/domain/services/gecko_tab_content.dart';
-export 'src/domain/services/gecko_turndown.dart';
+export 'src/domain/services/gecko_browser_extension.dart';
 export 'src/geckoview_widget.dart';
 export 'src/pigeons/gecko.g.dart'
     show

packages/flutter_mozilla_components/lib/src/domain/services/gecko_browser.dart

@@ -7,7 +7,7 @@ class GeckoBrowserService {
 
   GeckoBrowserService({GeckoBrowserApi? api}) : _api = api ?? _apiInstance;
 
-  Future<void> showNativeFragment() {
+  Future<bool> showNativeFragment() {
     return _api.showNativeFragment();
   }
 

packages/flutter_mozilla_components/lib/src/domain/services/gecko_browser_extension.dart

@@ -0,0 +1,56 @@
+import 'dart:async';
+
+import 'package:flutter/services.dart';
+import 'package:flutter_mozilla_components/src/domain/entities/turndown_result.dart';
+import 'package:flutter_mozilla_components/src/extensions/subject.dart';
+import 'package:flutter_mozilla_components/src/pigeons/gecko.g.dart';
+import 'package:rxdart/rxdart.dart';
+
+final _apiInstance = GeckoBrowserExtensionApi();
+
+class GeckoBrowserExtensionService extends BrowserExtensionEvents {
+  final _feedRequest = BehaviorSubject<String>();
+
+  Stream<String> get feedRequested => _feedRequest.stream;
+
+  static Future<List<TurndownResults>> turndownHtml(
+    List<String> htmlList,
+  ) async {
+    final markdownResult = await _apiInstance.getMarkdown(htmlList);
+
+    final results =
+        markdownResult
+            .cast()
+            .map(
+              (result) => TurndownResults(
+                // ignore: avoid_dynamic_calls valid
+                markdown: result['fullContentMarkdown'] as String,
+                // ignore: avoid_dynamic_calls valid
+                plain: result['fullContentPlain'] as String,
+              ),
+            )
+            .toList();
+
+    return results;
+  }
+
+  GeckoBrowserExtensionService.setUp({
+    BinaryMessenger? binaryMessenger,
+    String messageChannelSuffix = '',
+  }) {
+    BrowserExtensionEvents.setUp(
+      this,
+      binaryMessenger: binaryMessenger,
+      messageChannelSuffix: messageChannelSuffix,
+    );
+  }
+
+  @override
+  void onFeedRequested(int timestamp, String url) {
+    _feedRequest.addWhenMoreRecent(timestamp, null, url);
+  }
+
+  void dispose() {
+    unawaited(_feedRequest.close());
+  }
+}

packages/flutter_mozilla_components/lib/src/domain/services/gecko_turndown.dart

@@ -1,25 +0,0 @@
-import 'package:flutter_mozilla_components/src/domain/entities/turndown_result.dart';
-import 'package:flutter_mozilla_components/src/pigeons/gecko.g.dart';
-
-final _apiInstance = GeckoTurndownApi();
-
-class GeckoTurndownService {
-  Future<List<TurndownResults>> turndownHtml(List<String> htmlList) async {
-    final markdownResult = await _apiInstance.getMarkdown(htmlList);
-
-    final results =
-        markdownResult
-            .cast()
-            .map(
-              (result) => TurndownResults(
-                // ignore: avoid_dynamic_calls valid
-                markdown: result['fullContentMarkdown'] as String,
-                // ignore: avoid_dynamic_calls valid
-                plain: result['fullContentPlain'] as String,
-              ),
-            )
-            .toList();
-
-    return results;
-  }
-}

packages/flutter_mozilla_components/lib/src/geckoview_widget.dart

@@ -43,6 +43,29 @@ class _GeckoViewState extends State<GeckoView> {
     });
   }
 
+  Future<bool> _showNativeFragment({
+    int maxRetries = 100,
+
+    /// Default ist about one frame
+    Duration retryDelay = const Duration(milliseconds: 1000 ~/ 60),
+  }) async {
+    for (int attempt = 0; attempt < maxRetries; attempt++) {
+      final result = await browserService.showNativeFragment();
+
+      if (result) {
+        debugPrint('Fragment ATTACHED after $attempt tries');
+        return true;
+      }
+
+      if (attempt < maxRetries - 1) {
+        await Future.delayed(retryDelay);
+      }
+    }
+
+    debugPrint('Fragment FAILED after $maxRetries tries');
+    return false;
+  }
+
   @override
   Widget build(BuildContext context) {
     return PlatformViewLink(
@@ -68,13 +91,8 @@ class _GeckoViewState extends State<GeckoView> {
             SchedulerBinding.instance.addPostFrameCallback((_) async {
               await widget.preInitializationStep?.call();
 
-              await Future.delayed(
-                //Wait for two more frames just to be sure view has been initialized
-                Duration(milliseconds: ((1000 / 60) * 2).toInt()),
-              ).whenComplete(() async {
-                await browserService.showNativeFragment();
-                await widget.postInitializationStep?.call();
-              });
+              await _showNativeFragment();
+              await widget.postInitializationStep?.call();
             });
           })
           // ignore: discarded_futures that hos it is done in docs

packages/flutter_mozilla_components/lib/src/pigeons/gecko.g.dart

@@ -1983,7 +1983,7 @@ class GeckoBrowserApi {
 
   final String pigeonVar_messageChannelSuffix;
 
-  Future<void> showNativeFragment() async {
+  Future<bool> showNativeFragment() async {
     final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoBrowserApi.showNativeFragment$pigeonVar_messageChannelSuffix';
     final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
       pigeonVar_channelName,
@@ -2001,8 +2001,13 @@ class GeckoBrowserApi {
         message: pigeonVar_replyList[1] as String?,
         details: pigeonVar_replyList[2],
       );
+    } else if (pigeonVar_replyList[0] == null) {
+      throw PlatformException(
+        code: 'null-error',
+        message: 'Host platform returned null value for non-null return value.',
+      );
     } else {
-      return;
+      return (pigeonVar_replyList[0] as bool?)!;
     }
   }
 
@@ -3123,11 +3128,11 @@ class GeckoPrefApi {
   }
 }
 
-class GeckoTurndownApi {
-  /// Constructor for [GeckoTurndownApi].  The [binaryMessenger] named argument is
+class GeckoBrowserExtensionApi {
+  /// Constructor for [GeckoBrowserExtensionApi].  The [binaryMessenger] named argument is
   /// available for dependency injection.  If it is left null, the default
   /// BinaryMessenger will be used which routes to the host platform.
-  GeckoTurndownApi({BinaryMessenger? binaryMessenger, String messageChannelSuffix = ''})
+  GeckoBrowserExtensionApi({BinaryMessenger? binaryMessenger, String messageChannelSuffix = ''})
       : pigeonVar_binaryMessenger = binaryMessenger,
         pigeonVar_messageChannelSuffix = messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
   final BinaryMessenger? pigeonVar_binaryMessenger;
@@ -3137,7 +3142,7 @@ class GeckoTurndownApi {
   final String pigeonVar_messageChannelSuffix;
 
   Future<List<Object>> getMarkdown(List<String> htmlList) async {
-    final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoTurndownApi.getMarkdown$pigeonVar_messageChannelSuffix';
+    final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoBrowserExtensionApi.getMarkdown$pigeonVar_messageChannelSuffix';
     final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
       pigeonVar_channelName,
       pigeonChannelCodec,
@@ -4529,3 +4534,41 @@ class GeckoDownloadsApi {
     }
   }
 }
+
+abstract class BrowserExtensionEvents {
+  static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
+
+  void onFeedRequested(int timestamp, String url);
+
+  static void setUp(BrowserExtensionEvents? api, {BinaryMessenger? binaryMessenger, String messageChannelSuffix = '',}) {
+    messageChannelSuffix = messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+    {
+      final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.flutter_mozilla_components.BrowserExtensionEvents.onFeedRequested$messageChannelSuffix', pigeonChannelCodec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        pigeonVar_channel.setMessageHandler(null);
+      } else {
+        pigeonVar_channel.setMessageHandler((Object? message) async {
+          assert(message != null,
+          'Argument for dev.flutter.pigeon.flutter_mozilla_components.BrowserExtensionEvents.onFeedRequested was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_timestamp = (args[0] as int?);
+          assert(arg_timestamp != null,
+              'Argument for dev.flutter.pigeon.flutter_mozilla_components.BrowserExtensionEvents.onFeedRequested was null, expected non-null int.');
+          final String? arg_url = (args[1] as String?);
+          assert(arg_url != null,
+              'Argument for dev.flutter.pigeon.flutter_mozilla_components.BrowserExtensionEvents.onFeedRequested was null, expected non-null String.');
+          try {
+            api.onFeedRequested(arg_timestamp!, arg_url!);
+            return wrapResponse(empty: true);
+          } on PlatformException catch (e) {
+            return wrapResponse(error: e);
+          }          catch (e) {
+            return wrapResponse(error: PlatformException(code: 'error', message: e.toString()));
+          }
+        });
+      }
+    }
+  }
+}

packages/flutter_mozilla_components/pigeons/gecko.dart

@@ -736,7 +736,7 @@ class ShareInternetResourceState {
 )
 @HostApi()
 abstract class GeckoBrowserApi {
-  void showNativeFragment();
+  bool showNativeFragment();
   void onTrimMemory(int level);
 }
 
@@ -943,7 +943,7 @@ abstract class GeckoPrefApi {
 }
 
 @HostApi()
-abstract class GeckoTurndownApi {
+abstract class GeckoBrowserExtensionApi {
   @async
   List<Object> getMarkdown(List<String> htmlList);
 }
@@ -1122,3 +1122,8 @@ abstract class GeckoDownloadsApi {
   void copyInternetResource(String tabId, ShareInternetResourceState state);
   void shareInternetResource(String tabId, ShareInternetResourceState state);
 }
+
+@FlutterApi()
+abstract class BrowserExtensionEvents {
+  void onFeedRequested(int timestamp, String url);
+}