switch from timestamps to event sequence for events

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

@@ -11,6 +11,7 @@ import android.app.Activity
 import android.content.Context
 import android.view.ViewGroup
 import android.widget.FrameLayout
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoStateEvents
 import io.flutter.plugin.common.StandardMessageCodec
 import io.flutter.plugin.platform.PlatformView
@@ -58,7 +59,7 @@ private class NativeFragmentView(
         super.onFlutterViewAttached(flutterView)
 
         components.engineReportedInitialized = false
-        flutterEvents.onViewReadyStateChange(System.currentTimeMillis(), true) { _ -> }
+        flutterEvents.onViewReadyStateChange(EventSequence.next(), true) { _ -> }
     }
 
     override fun getView(): View {

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoMlApiImpl.kt

@@ -1,5 +1,6 @@
 package eu.weblibre.flutter_mozilla_components.api
 
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.feature.MLEngineFeature
 import eu.weblibre.flutter_mozilla_components.feature.ResultConsumer
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoMlApi
@@ -68,7 +69,7 @@ class GeckoMlApiImpl(
             )
 
             runOnUiThread {
-                stateEvents.onMlProgress(System.currentTimeMillis(), mlProgress) { result ->
+                stateEvents.onMlProgress(EventSequence.next(), mlProgress) { result ->
                     result.onFailure { error ->
                         android.util.Log.e("GeckoMlApi", "Failed to emit progress event: ${error.message}")
                     }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoPrefApiImpl.kt

@@ -7,6 +7,7 @@
 package eu.weblibre.flutter_mozilla_components.api
 
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.feature.PrefManagerFeature
 import eu.weblibre.flutter_mozilla_components.feature.ResultConsumer
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoPref
@@ -201,7 +202,7 @@ class GeckoPrefApiImpl : GeckoPrefApi, BrowserPrefObserverDelegate {
 
     override fun onPreferenceChange(observedPreference: BrowserPreference<*>) {
         components.flutterEvents.onPreferenceChange(
-            System.currentTimeMillis(), GeckoPref(
+            EventSequence.next(), GeckoPref(
                 name = observedPreference.pref,
                 value = observedPreference.value,
                 defaultValue = observedPreference.defaultValue,

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoSuggestionApiImpl.kt

@@ -7,6 +7,7 @@
 package eu.weblibre.flutter_mozilla_components.api
 
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.api.GeckoDeleteBrowsingDataControllerImpl.Companion
 import eu.weblibre.flutter_mozilla_components.ext.toWebPBytes
 import eu.weblibre.flutter_mozilla_components.pigeons.AutocompleteResult
@@ -77,7 +78,7 @@ class GeckoSuggestionApiImpl(
 
                 runOnUiThread {
                     suggestionEvents.onSuggestionResult(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         provider,
                         mappedResults
                     ) { }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoTabsApiImpl.kt

@@ -17,6 +17,7 @@ import eu.weblibre.flutter_mozilla_components.pigeons.SourceValue
 import eu.weblibre.flutter_mozilla_components.pigeons.WebExtensionActionType
 import eu.weblibre.flutter_mozilla_components.pigeons.WebExtensionData
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.ext.toWebPBytes
 import eu.weblibre.flutter_mozilla_components.pigeons.FindResultState
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoStateEvents
@@ -135,7 +136,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
             withContext(Dispatchers.Main) {
                 components.flutterEvents.onIconChange(
-                    System.currentTimeMillis(),
+                    EventSequence.next(),
                     tab.id,
                     iconBytes
                 ) { }
@@ -159,7 +160,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
                 val bytes = it.toWebPBytes()
                 withContext(Dispatchers.Main) {
                     components.flutterEvents.onThumbnailChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         bytes
                     ) { }
@@ -191,21 +192,21 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
             if (onSelectedTabChange) {
                 components.flutterEvents.onSelectedTabChange(
-                    System.currentTimeMillis(),
+                    EventSequence.next(),
                     selectedTab
                 ) { }
             }
 
             if (onTabListChange) {
                 components.flutterEvents.onTabListChange(
-                    System.currentTimeMillis(),
+                    EventSequence.next(),
                     tabs.map { it.id }) { }
             }
 
             tabs.forEach { tab ->
                 if (onTabContentStateChange) {
                     components.flutterEvents.onTabContentStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         TabContentState(
                             id = tab.id,
                             parentId = tab.parentId,
@@ -226,7 +227,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
                 if (onSecurityInfoStateChange) {
                     components.flutterEvents.onSecurityInfoStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         SecurityInfoState(
                             tab.content.securityInfo.isSecure,
@@ -238,7 +239,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
                 if (onReaderableStateChange) {
                     components.flutterEvents.onReaderableStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         ReaderableState(
                             tab.readerState.readerable,
@@ -249,7 +250,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
                 if (onHistoryStateChange) {
                     components.flutterEvents.onHistoryStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         HistoryState(
                             items = tab.content.history.items.map { item ->
@@ -264,7 +265,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
 
                 if (onFindResults) {
                     components.flutterEvents.onFindResults(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         tab.content.findResults.map { result ->
                             FindResultState(
@@ -321,7 +322,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
                             badgeBackgroundColor = browserAction.badgeBackgroundColor?.toLong(),
                         )
                         components.addonEvents.onUpsertWebExtensionAction(
-                            System.currentTimeMillis(),
+                            EventSequence.next(),
                             extension.id,
                             WebExtensionActionType.BROWSER,
                             data
@@ -336,7 +337,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
                                     val imageBytes = icon.toWebPBytes()
                                     withContext(Dispatchers.Main) {
                                         components.addonEvents.onUpdateWebExtensionIcon(
-                                            System.currentTimeMillis(),
+                                            EventSequence.next(),
                                             extension.id,
                                             WebExtensionActionType.BROWSER,
                                             imageBytes
@@ -362,7 +363,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
                             badgeBackgroundColor = pageAction.badgeBackgroundColor?.toLong(),
                         )
                         components.addonEvents.onUpsertWebExtensionAction(
-                            System.currentTimeMillis(),
+                            EventSequence.next(),
                             extension.id,
                             WebExtensionActionType.PAGE,
                             data
@@ -377,7 +378,7 @@ class GeckoTabsApiImpl : GeckoTabsApi {
                                     val imageBytes = icon.toWebPBytes()
                                     withContext(Dispatchers.Main) {
                                         components.addonEvents.onUpdateWebExtensionIcon(
-                                            System.currentTimeMillis(),
+                                            EventSequence.next(),
                                             extension.id,
                                             WebExtensionActionType.PAGE,
                                             imageBytes

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/components/Events.kt

@@ -6,7 +6,9 @@
 
 package eu.weblibre.flutter_mozilla_components.components
 
+import eu.weblibre.flutter_mozilla_components.GlobalComponents
 import eu.weblibre.flutter_mozilla_components.api.ReaderViewEventsImpl
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.ext.toWebPBytes
 import eu.weblibre.flutter_mozilla_components.pigeons.FindResultState
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoAddonEvents
@@ -44,7 +46,7 @@ class Events(
                 .debounce { 50 }
                 .collect { tabId ->
                     flutterEvents.onSelectedTabChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tabId
                     ) { _ -> }
                 }
@@ -70,7 +72,7 @@ class Events(
                 .collect { tab ->
                     val iconBytes = tab.content.icon?.toWebPBytes()
                     flutterEvents.onIconChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         iconBytes
                     ) { _ -> }
@@ -85,7 +87,7 @@ class Events(
                 .debounce(15)
                 .collect { tab ->
                     flutterEvents.onSecurityInfoStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         SecurityInfoState(
                             tab.content.securityInfo.isSecure,
@@ -110,7 +112,7 @@ class Events(
                 .debounce(25)
                 .collect { tab ->
                     flutterEvents.onReaderableStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         ReaderableState(
                             tab.readerState.readerable,
@@ -135,7 +137,7 @@ class Events(
                 .debounce(15)
                 .collect { tab ->
                     flutterEvents.onHistoryStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         tab.id,
                         HistoryState(
                             items = tab.content.history.items.map { item ->
@@ -170,7 +172,7 @@ class Events(
                 .debounce(15)
                 .collect { tab ->
                     flutterEvents.onTabContentStateChange(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         TabContentState(
                             id = tab.id,
                             parentId = tab.parentId,

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/ext/EventSequence.kt

@@ -0,0 +1,22 @@
+/*
+ * 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 https://mozilla.org/MPL/2.0/.
+ */
+
+package eu.weblibre.flutter_mozilla_components.ext
+
+import java.util.concurrent.atomic.AtomicLong
+
+/**
+ * Thread-safe monotonic sequence counter for event ordering.
+ *
+ * Replaces System.currentTimeMillis() for event timestamps sent to Flutter,
+ * guaranteeing strictly increasing values regardless of wall-clock changes
+ * and eliminating same-millisecond collisions.
+ */
+object EventSequence {
+    private val counter = AtomicLong(0)
+
+    fun next(): Long = counter.incrementAndGet()
+}

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

@@ -7,6 +7,7 @@
 package eu.weblibre.flutter_mozilla_components.feature
 
 import androidx.annotation.VisibleForTesting
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.pigeons.BrowserExtensionEvents
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
@@ -86,7 +87,7 @@ object BrowserExtensionFeature {
 
                             runOnUiThread {
                                 extensionEvents.onFeedRequested(
-                                    System.currentTimeMillis(),
+                                    EventSequence.next(),
                                     url
                                 ) { _ -> }
                             }

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/feature/ContainerProxyFeature.kt

@@ -8,6 +8,7 @@ package eu.weblibre.flutter_mozilla_components.feature
 
 import androidx.annotation.VisibleForTesting
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.pigeons.ContainerSiteAssignment
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoStateEvents
 import kotlinx.coroutines.Dispatchers
@@ -115,7 +116,7 @@ object ContainerProxyFeature {
                             if (status == "success") {
                                 runOnUiThread {
                                     events.onContainerSiteAssignment(
-                                        System.currentTimeMillis(),
+                                        EventSequence.next(),
                                         ContainerSiteAssignment(
                                             requestId = requestId,
                                             tabId = components.core.store.state.selectedTabId,

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/feature/KeyboardVisibilityFeature.kt

@@ -14,6 +14,7 @@ import androidx.core.graphics.Insets
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsAnimationCompat
 import androidx.core.view.WindowInsetsCompat
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoViewportEvents
 import mozilla.components.support.base.log.logger.Logger
 import org.mozilla.gecko.util.ThreadUtils.runOnUiThread
@@ -185,7 +186,7 @@ class KeyboardVisibilityFeature(
         lastKeyboardHeight = heightPx
         lastKeyboardVisible = isVisible
 
-        val timestamp = System.currentTimeMillis()
+        val timestamp = EventSequence.next()
 
         logger.debug("$TAG: Keyboard change - height=$heightPx, visible=$isVisible, animating=$isAnimating")
 

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/feature/ReadabilityExtractFeature.kt

@@ -6,6 +6,7 @@
 
 package eu.weblibre.flutter_mozilla_components.feature
 
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoTabContentEvents
 import eu.weblibre.flutter_mozilla_components.pigeons.TabContent
 import kotlinx.coroutines.CoroutineScope
@@ -50,7 +51,7 @@ class ReadabilityExtractFeature(
         override fun onPortMessage(message: Any, port: Port) {
             if (message is JSONObject) {
                 tabContentEvents.onContentUpdate(
-                    System.currentTimeMillis(),
+                    EventSequence.next(),
                     contentArg = TabContent(
                         tabId = tabId,
                         fullContentMarkdown = message.tryGetString("fullContentMarkdown"),

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/feature/WebExtensionToolbarFeature.kt

@@ -7,6 +7,7 @@ package eu.weblibre.flutter_mozilla_components.feature
 import android.os.Handler
 import android.os.HandlerThread
 import androidx.annotation.VisibleForTesting
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.ext.toWebPBytes
 import eu.weblibre.flutter_mozilla_components.pigeons.GeckoAddonEvents
 import eu.weblibre.flutter_mozilla_components.pigeons.WebExtensionActionType
@@ -66,7 +67,7 @@ class WebExtensionToolbarFeature(
             .filter { !store.state.extensions.containsKey(it) || store.state.extensions[it]?.enabled == false }
             .forEach { extensionId ->
                 addonEvents.onRemoveWebExtensionAction(
-                    timestampArg = System.currentTimeMillis(),
+                    timestampArg = EventSequence.next(),
                     extensionIdArg = extensionId,
                     actionTypeArg = WebExtensionActionType.BROWSER,
                 ) {}
@@ -77,7 +78,7 @@ class WebExtensionToolbarFeature(
             .filter { !store.state.extensions.containsKey(it) || store.state.extensions[it]?.enabled == false }
             .forEach { extensionId ->
                 addonEvents.onRemoveWebExtensionAction(
-                    timestampArg = System.currentTimeMillis(),
+                    timestampArg = EventSequence.next(),
                     extensionIdArg = extensionId,
                     actionTypeArg = WebExtensionActionType.PAGE,
                 ) {}
@@ -106,7 +107,7 @@ class WebExtensionToolbarFeature(
         webExtensionBrowserActions.keys.toList().forEach { extensionId ->
             if (extensionId !in enabledExtensionIds) {
                 addonEvents.onRemoveWebExtensionAction(
-                    timestampArg = System.currentTimeMillis(),
+                    timestampArg = EventSequence.next(),
                     extensionIdArg = extensionId,
                     actionTypeArg = WebExtensionActionType.BROWSER,
                 ) {}
@@ -117,7 +118,7 @@ class WebExtensionToolbarFeature(
         webExtensionPageActions.keys.toList().forEach { extensionId ->
             if (extensionId !in enabledExtensionIds) {
                 addonEvents.onRemoveWebExtensionAction(
-                    timestampArg = System.currentTimeMillis(),
+                    timestampArg = EventSequence.next(),
                     extensionIdArg = extensionId,
                     actionTypeArg = WebExtensionActionType.PAGE,
                 ) {}
@@ -130,7 +131,7 @@ class WebExtensionToolbarFeature(
             if (extensionNotAllowedInTab(extension, tab)) {
                 webExtensionPageActions[extension.id]?.let {
                     addonEvents.onRemoveWebExtensionAction(
-                        timestampArg = System.currentTimeMillis(),
+                        timestampArg = EventSequence.next(),
                         extensionIdArg = extension.id,
                         actionTypeArg = WebExtensionActionType.PAGE,
                     ) {}
@@ -138,7 +139,7 @@ class WebExtensionToolbarFeature(
                 }
                 webExtensionBrowserActions[extension.id]?.let {
                     addonEvents.onRemoveWebExtensionAction(
-                        timestampArg = System.currentTimeMillis(),
+                        timestampArg = EventSequence.next(),
                         extensionIdArg = extension.id,
                         actionTypeArg = WebExtensionActionType.BROWSER,
                     ) {}
@@ -220,7 +221,7 @@ class WebExtensionToolbarFeature(
         )
 
         addonEvents.onUpsertWebExtensionAction(
-            timestampArg = System.currentTimeMillis(),
+            timestampArg = EventSequence.next(),
             extensionIdArg = extension.id,
             actionTypeArg = if (isPageAction) WebExtensionActionType.PAGE else WebExtensionActionType.BROWSER,
             extensionDataArg = data
@@ -235,7 +236,7 @@ class WebExtensionToolbarFeature(
                     val imageBytes = icon.toWebPBytes()
                     runOnUiThread {
                         addonEvents.onUpdateWebExtensionIcon(
-                            timestampArg = System.currentTimeMillis(),
+                            timestampArg = EventSequence.next(),
                             extensionIdArg = extensionId,
                             actionTypeArg = if (isPageAction) WebExtensionActionType.PAGE else WebExtensionActionType.BROWSER,
                             iconArg = imageBytes

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/integration/ReaderViewIntegration.kt

@@ -10,6 +10,7 @@ import android.content.Context
 import android.graphics.drawable.Drawable
 import androidx.core.content.ContextCompat
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.api.ReaderViewEventsImpl
 import eu.weblibre.flutter_mozilla_components.api.ReaderViewControllerListener
 import eu.weblibre.flutter_mozilla_components.pigeons.ReaderViewController
@@ -36,12 +37,12 @@ class ReaderViewIntegration(
             if (enabled) {
                 feature.showReaderView()
 
-                readerViewController.appearanceButtonVisibility(System.currentTimeMillis(),true) { _ -> };
+                readerViewController.appearanceButtonVisibility(EventSequence.next(),true) { _ -> };
             } else {
                 feature.hideReaderView()
                 feature.hideControls()
 
-                readerViewController.appearanceButtonVisibility(System.currentTimeMillis(),false) { _ -> };
+                readerViewController.appearanceButtonVisibility(EventSequence.next(),false) { _ -> };
             }
         }
 

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/middleware/FlutterEventMiddleware.kt

@@ -6,6 +6,7 @@ package eu.weblibre.flutter_mozilla_components.middleware
 import android.graphics.Bitmap
 import android.util.Log
 import eu.weblibre.flutter_mozilla_components.GlobalComponents
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 import eu.weblibre.flutter_mozilla_components.ext.resize
 import eu.weblibre.flutter_mozilla_components.ext.toWebPBytes
 import eu.weblibre.flutter_mozilla_components.pigeons.AudioHitResult
@@ -55,7 +56,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
                 val bytes = resized.toWebPBytes()
 
                 runOnUiThread {
-                    flutterEvents.onThumbnailChange(System.currentTimeMillis(), action.sessionId, bytes) { _ -> }
+                    flutterEvents.onThumbnailChange(EventSequence.next(), action.sessionId, bytes) { _ -> }
                 }
             }
             //UpdateReaderConnectRequiredAction seems to be the only event that is called predictable
@@ -64,7 +65,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
                 if(!components.engineReportedInitialized) {
                     runOnUiThread {
                         flutterEvents.onEngineReadyStateChange(
-                            System.currentTimeMillis(),
+                            EventSequence.next(),
                             true
                         ) { _ -> }
                     }
@@ -75,7 +76,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
             is TabListAction.AddTabAction -> {
                 runOnUiThread {
                     flutterEvents.onTabAdded(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         action.tab.id
                     ) { _ -> }
                 }
@@ -85,7 +86,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
 
                 runOnUiThread {
                     flutterEvents.onIconUpdate(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         action.pageUrl,
                         bytes
                     ) { _ -> }
@@ -94,7 +95,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
             is ContentAction.UpdateHitResultAction -> {
                 runOnUiThread {
                     flutterEvents.onLongPress(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         action.sessionId,
                         when(val result = action.hitResult) {
                             is HitResult.AUDIO -> AudioHitResult(result.src, result.title)
@@ -112,7 +113,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
             is ContentAction.AddFindResultAction -> {
                 runOnUiThread {
                     flutterEvents.onFindResults(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         action.sessionId,
                         listOf(
                             FindResultState(
@@ -127,7 +128,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
             is ContentAction.ClearFindResultsAction -> {
                 runOnUiThread {
                     flutterEvents.onFindResults(
-                        System.currentTimeMillis(),
+                        EventSequence.next(),
                         action.sessionId,
                         listOf()
                     ) { _ -> }
@@ -136,7 +137,7 @@ class FlutterEventMiddleware(private val flutterEvents: GeckoStateEvents) : Midd
 //            is ReaderAction.UpdateReaderScrollYAction -> {
 //                runOnUiThread {
 //                    flutterEvents.onScrollChange(
-//                        System.currentTimeMillis(),
+//                        EventSequence.next(),
 //                        action.tabId,
 //                        action.scrollY.toLong()
 //                    ) { _ -> }

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

@@ -51,18 +51,18 @@ class GeckoAddonService extends GeckoAddonEvents {
 
   @override
   void onRemoveWebExtensionAction(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
   ) {
     switch (actionType) {
       case WebExtensionActionType.browser:
-        _browserExtensionSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _browserExtensionSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           data: null,
         ));
       case WebExtensionActionType.page:
-        _pageExtensionSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _pageExtensionSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           data: null,
         ));
@@ -71,19 +71,19 @@ class GeckoAddonService extends GeckoAddonEvents {
 
   @override
   void onUpdateWebExtensionIcon(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
     Uint8List icon,
   ) {
     switch (actionType) {
       case WebExtensionActionType.browser:
-        _browserIconSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _browserIconSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           bytes: icon,
         ));
       case WebExtensionActionType.page:
-        _pageIconSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _pageIconSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           bytes: icon,
         ));
@@ -92,19 +92,19 @@ class GeckoAddonService extends GeckoAddonEvents {
 
   @override
   void onUpsertWebExtensionAction(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
     WebExtensionData extensionData,
   ) {
     switch (actionType) {
       case WebExtensionActionType.browser:
-        _browserExtensionSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _browserExtensionSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           data: extensionData,
         ));
       case WebExtensionActionType.page:
-        _pageExtensionSubject.addWhenMoreRecent(timestamp, extensionId, (
+        _pageExtensionSubject.addWhenMoreRecent(sequence, extensionId, (
           extensionId: extensionId,
           data: extensionData,
         ));

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

@@ -58,8 +58,8 @@ class GeckoBrowserExtensionService extends BrowserExtensionEvents {
   }
 
   @override
-  void onFeedRequested(int timestamp, String url) {
+  void onFeedRequested(int sequence, String url) {
-    _feedRequest.addWhenMoreRecent(timestamp, null, url);
+    _feedRequest.addWhenMoreRecent(sequence, null, url);
   }
 
   void dispose() {

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

@@ -20,6 +20,7 @@ typedef ThumbnailEvent = ({String tabId, Uint8List? bytes});
 typedef FindResultsEvent = ({String tabId, List<FindResultState> results});
 typedef LongPressEvent = ({String tabId, HitResult hitResult});
 typedef ScrollEvent = ({String tabId, int scrollY});
+typedef ManifestUpdateEvent = ({String tabId, PwaManifest? manifest});
 
 class GeckoEventService extends GeckoStateEvents {
   // Stream controllers
@@ -44,6 +45,7 @@ class GeckoEventService extends GeckoStateEvents {
 
   final _tabAddedSubject = PublishSubject<String>();
   final _mlProgressSubject = PublishSubject<MlProgressData>();
+  final _manifestUpdateSubject = PublishSubject<ManifestUpdateEvent>();
 
   // Event streams
   ValueStream<bool> get viewReadyStateEvents => _viewStateSubject.stream;
@@ -68,52 +70,46 @@ class GeckoEventService extends GeckoStateEvents {
 
   Stream<String> get tabAddedStream => _tabAddedSubject.stream;
   Stream<MlProgressData> get mlProgressEvents => _mlProgressSubject.stream;
+  Stream<ManifestUpdateEvent> get manifestUpdateEvents =>
+      _manifestUpdateSubject.stream;
 
   @override
-  void onViewReadyStateChange(int timestamp, bool state) {
+  void onViewReadyStateChange(int sequence, bool state) {
-    _viewStateSubject.addWhenMoreRecent(timestamp, null, state);
+    _viewStateSubject.addWhenMoreRecent(sequence, null, state);
   }
 
   @override
-  void onEngineReadyStateChange(int timestamp, bool state) {
+  void onEngineReadyStateChange(int sequence, bool state) {
-    _engineStateSubject.addWhenMoreRecent(timestamp, null, state);
+    _engineStateSubject.addWhenMoreRecent(sequence, null, state);
   }
 
   // Overridden methods
   @override
-  void onTabListChange(int timestamp, List<String?> tabIds) {
+  void onTabListChange(int sequence, List<String?> tabIds) {
-    _tabListSubject.addWhenMoreRecent(
+    _tabListSubject.addWhenMoreRecent(sequence, null, tabIds.nonNulls.toList());
-      timestamp,
-      null,
-      tabIds.nonNulls.toList(),
-    );
   }
 
   @override
-  void onSelectedTabChange(int timestamp, String? id) {
+  void onSelectedTabChange(int sequence, String? id) {
-    _selectedTabSubject.addWhenMoreRecent(timestamp, id, id);
+    _selectedTabSubject.addWhenMoreRecent(sequence, id, id);
   }
 
   @override
-  void onTabContentStateChange(int timestamp, TabContentState state) {
+  void onTabContentStateChange(int sequence, TabContentState state) {
-    _tabContentSubject.addWhenMoreRecent(timestamp, state.id, state);
+    _tabContentSubject.addWhenMoreRecent(sequence, state.id, state);
   }
 
   @override
-  void onHistoryStateChange(int timestamp, String id, HistoryState state) {
+  void onHistoryStateChange(int sequence, String id, HistoryState state) {
-    _historySubject.addWhenMoreRecent(timestamp, id, (
+    _historySubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       history: state,
     ));
   }
 
   @override
-  void onReaderableStateChange(
+  void onReaderableStateChange(int sequence, String id, ReaderableState state) {
-    int timestamp,
+    _readerableSubject.addWhenMoreRecent(sequence, id, (
-    String id,
-    ReaderableState state,
-  ) {
-    _readerableSubject.addWhenMoreRecent(timestamp, id, (
       tabId: id,
       readerable: state,
     ));
@@ -121,87 +117,91 @@ class GeckoEventService extends GeckoStateEvents {
 
   @override
   void onSecurityInfoStateChange(
-    int timestamp,
+    int sequence,
     String id,
     SecurityInfoState state,
   ) {
-    _securityInfoSubject.addWhenMoreRecent(timestamp, id, (
+    _securityInfoSubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       securityInfo: state,
     ));
   }
 
   @override
-  void onIconChange(int timestamp, String id, Uint8List? bytes) {
+  void onIconChange(int sequence, String id, Uint8List? bytes) {
-    _iconChangeSubject.addWhenMoreRecent(timestamp, id, (
+    _iconChangeSubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       bytes: bytes,
     ));
   }
 
   @override
-  void onIconUpdate(int timestamp, String url, Uint8List bytes) {
+  void onIconUpdate(int sequence, String url, Uint8List bytes) {
-    _iconUpdateSubject.addWhenMoreRecent(timestamp, url, (
+    _iconUpdateSubject.addWhenMoreRecent(sequence, url, (
       url: url,
       bytes: bytes,
     ));
   }
 
   @override
-  void onThumbnailChange(int timestamp, String id, Uint8List? bytes) {
+  void onThumbnailChange(int sequence, String id, Uint8List? bytes) {
-    _thumbnailSubject.addWhenMoreRecent(timestamp, id, (
+    _thumbnailSubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       bytes: bytes,
     ));
   }
 
   @override
-  void onFindResults(int timestamp, String id, List<FindResultState?> results) {
+  void onFindResults(int sequence, String id, List<FindResultState?> results) {
-    _findResultsSubject.addWhenMoreRecent(timestamp, id, (
+    _findResultsSubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       results: results.nonNulls.toList(),
     ));
   }
 
   @override
-  void onLongPress(int timestamp, String id, HitResult hitResult) {
+  void onLongPress(int sequence, String id, HitResult hitResult) {
-    _longPressSubject.addWhenMoreRecent(timestamp, id, (
+    _longPressSubject.addWhenMoreRecent(sequence, id, (
       tabId: id,
       hitResult: hitResult,
     ));
   }
 
   @override
-  void onTabAdded(int timestamp, String tabId) {
+  void onTabAdded(int sequence, String tabId) {
-    _tabAddedSubject.addWhenMoreRecent(timestamp, null, tabId);
+    _tabAddedSubject.addWhenMoreRecent(sequence, null, tabId);
   }
 
   // @override
-  // void onScrollChange(int timestamp, String tabId, int scrollY) {
+  // void onScrollChange(int sequence, String tabId, int scrollY) {
-  //   _scrollEventSubject.addWhenMoreRecent(timestamp, tabId, (
+  //   _scrollEventSubject.addWhenMoreRecent(sequence, tabId, (
   //     tabId: tabId,
   //     scrollY: scrollY,
   //   ));
   // }
 
   @override
-  void onPreferenceChange(int timestamp, GeckoPref value) {
+  void onPreferenceChange(int sequence, GeckoPref value) {
-    _prefUpdateSubject.addWhenMoreRecent(timestamp, value.name, value);
+    _prefUpdateSubject.addWhenMoreRecent(sequence, value.name, value);
   }
 
   @override
   void onContainerSiteAssignment(
-    int timestamp,
+    int sequence,
     ContainerSiteAssignment details,
   ) {
     _siteAssignementSubject.addWhenMoreRecent(
-      timestamp,
+      sequence,
       details.requestId,
       details,
     );
   }
 
   @override
+  void onMlProgress(int sequence, MlProgressData progress) {
+    _mlProgressSubject.addWhenMoreRecent(sequence, null, progress);
+  }
+
   void onMlProgress(int timestamp, MlProgressData progress) {
     _mlProgressSubject.addWhenMoreRecent(timestamp, null, progress);
   }
@@ -236,5 +236,6 @@ class GeckoEventService extends GeckoStateEvents {
     await _prefUpdateSubject.close();
     await _siteAssignementSubject.close();
     await _mlProgressSubject.close();
+    await _manifestUpdateSubject.close();
   }
 }

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

@@ -27,8 +27,8 @@ class GeckoReaderableService extends ReaderViewController {
   }
 
   @override
-  void appearanceButtonVisibility(int timestamp, bool visible) {
+  void appearanceButtonVisibility(int sequence, bool visible) {
-    _appearanceVisibility.addWhenMoreRecent(timestamp, null, visible);
+    _appearanceVisibility.addWhenMoreRecent(sequence, null, visible);
   }
 
   GeckoReaderableService.setUp({

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

@@ -54,12 +54,12 @@ class GeckoSuggestionsService extends GeckoSuggestionEvents {
 
   @override
   void onSuggestionResult(
-    int timestamp,
+    int sequence,
     GeckoSuggestionType suggestionType,
     List<GeckoSuggestion> suggestions,
   ) {
     _suggestionsSubject.addWhenMoreRecent(
-      timestamp,
+      sequence,
       suggestionType,
       suggestions,
     );

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

@@ -28,8 +28,8 @@ class GeckoTabContentService extends GeckoTabContentEvents {
   }
 
   @override
-  void onContentUpdate(int timestamp, TabContent content) {
+  void onContentUpdate(int sequence, TabContent content) {
-    _contentSubject.addWhenMoreRecent(timestamp, content.tabId, content);
+    _contentSubject.addWhenMoreRecent(sequence, content.tabId, content);
   }
 
   Future<void> dispose() async {

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

@@ -101,12 +101,12 @@ class GeckoViewportService extends GeckoViewportEvents {
 
   @override
   void onKeyboardVisibilityChanged(
-    int timestamp,
+    int sequence,
     int heightPx,
     bool isVisible,
     bool isAnimating,
   ) {
-    _keyboardSubject.addWhenMoreRecent(timestamp, null, (
+    _keyboardSubject.addWhenMoreRecent(sequence, null, (
       heightPx: heightPx,
       isVisible: isVisible,
       isAnimating: isAnimating,

packages/flutter_mozilla_components/lib/src/extensions/subject.dart

@@ -9,17 +9,29 @@ import 'package:rxdart/rxdart.dart';
 final _lastEventTimes = <Subject, Map<dynamic, int>>{};
 
 extension SubjectAddRecent<T> on Subject<T> {
-  void addWhenMoreRecent(int timestamp, dynamic identifier, T value) {
+  /// Adds [value] to this Subject only if [sequence] is greater than
+  /// the last sequence number for this [identifier].
+  ///
+  /// Uses atomic event sequence numbers (from native EventSequence) to ensure
+  /// events are processed in order and prevent out-of-order updates.
+  /// Sequence numbers are monotonically increasing integers (0, 1, 2, ...).
+  void addWhenMoreRecent(int sequence, dynamic identifier, T value) {
     _lastEventTimes[this] ??= {};
 
-    if ((_lastEventTimes[this]?[identifier] ?? 0) < timestamp) {
+    if ((_lastEventTimes[this]?[identifier] ?? 0) < sequence) {
-      _lastEventTimes[this]![identifier] = timestamp;
+      _lastEventTimes[this]![identifier] = sequence;
       add(value);
     }
   }
 
+  /// Updates this BehaviorSubject only if [sequence] is greater than
+  /// the last sequence number for this [identifier].
+  ///
+  /// Uses atomic event sequence numbers (from native EventSequence) to ensure
+  /// events are processed in order and prevent out-of-order updates.
+  /// Sequence numbers are monotonically increasing integers (0, 1, 2, ...).
   void updateWhenMoreRecent(
-    int timestamp,
+    int sequence,
     dynamic identifier,
     T Function(T? currentValue) update,
   ) {
@@ -27,8 +39,8 @@ extension SubjectAddRecent<T> on Subject<T> {
 
     _lastEventTimes[this] ??= {};
 
-    if ((_lastEventTimes[this]?[identifier] ?? 0) < timestamp) {
+    if ((_lastEventTimes[this]?[identifier] ?? 0) < sequence) {
-      _lastEventTimes[this]![identifier] = timestamp;
+      _lastEventTimes[this]![identifier] = sequence;
       add(update((this as BehaviorSubject<T>).valueOrNull));
     }
   }

packages/flutter_mozilla_components/pigeons/gecko.dart

@@ -1392,36 +1392,35 @@ class ContainerSiteAssignment {
 
 @FlutterApi()
 abstract class GeckoStateEvents {
-  void onViewReadyStateChange(int timestamp, bool state);
+  void onViewReadyStateChange(int sequence, bool state);
-  void onEngineReadyStateChange(int timestamp, bool state);
+  void onEngineReadyStateChange(int sequence, bool state);
-  void onIconUpdate(int timestamp, String url, Uint8List bytes);
+  void onIconUpdate(int sequence, String url, Uint8List bytes);
 
-  void onTabAdded(int timestamp, String tabId);
+  void onTabAdded(int sequence, String tabId);
 
-  void onTabListChange(int timestamp, List<String> tabIds);
+  void onTabListChange(int sequence, List<String> tabIds);
-  void onSelectedTabChange(int timestamp, String? id);
+  void onSelectedTabChange(int sequence, String? id);
 
-  void onTabContentStateChange(int timestamp, TabContentState state);
+  void onTabContentStateChange(int sequence, TabContentState state);
-  void onHistoryStateChange(int timestamp, String id, HistoryState state);
+  void onHistoryStateChange(int sequence, String id, HistoryState state);
-  void onReaderableStateChange(int timestamp, String id, ReaderableState state);
+  void onReaderableStateChange(int sequence, String id, ReaderableState state);
   void onSecurityInfoStateChange(
-    int timestamp,
+    int sequence,
     String id,
     SecurityInfoState state,
   );
-  void onIconChange(int timestamp, String id, Uint8List? bytes);
+  void onIconChange(int sequence, String id, Uint8List? bytes);
-  void onThumbnailChange(int timestamp, String id, Uint8List? bytes);
+  void onThumbnailChange(int sequence, String id, Uint8List? bytes);
 
-  void onFindResults(int timestamp, String id, List<FindResultState> results);
+  void onFindResults(int sequence, String id, List<FindResultState> results);
-  void onLongPress(int timestamp, String id, HitResult hitResult);
+  void onLongPress(int sequence, String id, HitResult hitResult);
 
-  // void onScrollChange(int timestamp, String tabId, int scrollY);
+  // void onScrollChange(int sequence, String tabId, int scrollY);
-  void onPreferenceChange(int timestamp, GeckoPref value);
+  void onPreferenceChange(int sequence, GeckoPref value);
 
-  void onContainerSiteAssignment(
+  void onContainerSiteAssignment(int sequence, ContainerSiteAssignment details);
-    int timestamp,
+
-    ContainerSiteAssignment details,
+  void onMlProgress(int sequence, MlProgressData progress);
-  );
 
   void onMlProgress(int timestamp, MlProgressData progress);
 }
@@ -1439,7 +1438,7 @@ abstract class ReaderViewEvents {
 
 @FlutterApi()
 abstract class ReaderViewController {
-  void appearanceButtonVisibility(int timestamp, bool visible);
+  void appearanceButtonVisibility(int sequence, bool visible);
 }
 
 @HostApi()
@@ -1465,20 +1464,20 @@ abstract class GeckoAddonsApi {
 @FlutterApi()
 abstract class GeckoAddonEvents {
   void onUpsertWebExtensionAction(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
     WebExtensionData extensionData,
   );
 
   void onRemoveWebExtensionAction(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
   );
 
   void onUpdateWebExtensionIcon(
-    int timestamp,
+    int sequence,
     String extensionId,
     WebExtensionActionType actionType,
     Uint8List icon,
@@ -1495,7 +1494,7 @@ abstract class GeckoSuggestionApi {
 @FlutterApi()
 abstract class GeckoSuggestionEvents {
   void onSuggestionResult(
-    int timestamp,
+    int sequence,
     GeckoSuggestionType suggestionType,
     List<GeckoSuggestion> suggestions,
   );
@@ -1503,7 +1502,7 @@ abstract class GeckoSuggestionEvents {
 
 @FlutterApi()
 abstract class GeckoTabContentEvents {
-  void onContentUpdate(int timestamp, TabContent content);
+  void onContentUpdate(int sequence, TabContent content);
 }
 
 @HostApi()
@@ -1579,7 +1578,7 @@ abstract class GeckoDownloadsApi {
 
 @FlutterApi()
 abstract class BrowserExtensionEvents {
-  void onFeedRequested(int timestamp, String url);
+  void onFeedRequested(int sequence, String url);
 }
 
 class GeckoHeader {
@@ -1737,12 +1736,12 @@ abstract class GeckoViewportEvents {
   /// This is detected natively using WindowInsets API and provides
   /// accurate keyboard height information.
   ///
-  /// [timestamp] Event timestamp for ordering.
+  /// [sequence] Event sequence number for ordering.
   /// [heightPx] Keyboard height in pixels (0 when hidden).
   /// [isVisible] Whether the keyboard is currently visible.
   /// [isAnimating] Whether the keyboard is currently animating.
   void onKeyboardVisibilityChanged(
-    int timestamp,
+    int sequence,
     int heightPx,
     bool isVisible,
     bool isAnimating,

packages/simple_intent_receiver/android/src/main/kotlin/eu/weblibre/simple_intent_receiver/IntentReceiver.kt

@@ -22,11 +22,13 @@ package eu.weblibre.simple_intent_receiver
 import io.flutter.plugin.common.BinaryMessenger
 import eu.weblibre.simple_intent_receiver.pigeons.IntentEvents
 import eu.weblibre.simple_intent_receiver.pigeons.Intent as PigeonIntent
+import eu.weblibre.flutter_mozilla_components.ext.EventSequence
 
 class IntentReceiver(messenger: BinaryMessenger) {
     private val intentEvents: IntentEvents = IntentEvents(messenger)
 
-    fun sendIntent(timestamp: Long, intent: PigeonIntent) {
+    fun sendIntent(intent: PigeonIntent) {
-        intentEvents.onIntentReceived(timestamp, intent) { }
+        intentEvents.onIntentReceived(EventSequence.next(), intent) { }
     }
 }
+}

packages/simple_intent_receiver/android/src/main/kotlin/eu/weblibre/simple_intent_receiver/SimpleIntentReceiverPlugin.kt

@@ -114,7 +114,7 @@ class SimpleIntentReceiverPlugin: FlutterPlugin, ActivityAware, PluginRegistry.N
     }
 
     val pigeonIntent = convertToPigeonIntent(intent)
-    intentReceiver?.sendIntent(System.currentTimeMillis(), pigeonIntent)
+    intentReceiver?.sendIntent(pigeonIntent)
     return true
   }
 

packages/simple_intent_receiver/android/src/main/kotlin/eu/weblibre/simple_intent_receiver/pigeons/Intent.g.kt

@@ -133,12 +133,12 @@ class IntentEvents(private val binaryMessenger: BinaryMessenger, private val mes
       IntentPigeonCodec()
     }
   }
-  fun onIntentReceived(timestampArg: Long, intentArg: Intent, callback: (Result<Unit>) -> Unit)
+  fun onIntentReceived(sequenceArg: Long, intentArg: Intent, callback: (Result<Unit>) -> Unit)
 {
     val separatedMessageChannelSuffix = if (messageChannelSuffix.isNotEmpty()) ".$messageChannelSuffix" else ""
     val channelName = "dev.flutter.pigeon.simple_intent_receiver.IntentEvents.onIntentReceived$separatedMessageChannelSuffix"
     val channel = BasicMessageChannel<Any?>(binaryMessenger, channelName, codec)
-    channel.send(listOf(timestampArg, intentArg)) {
+    channel.send(listOf(sequenceArg, intentArg)) {
       if (it is List<*>) {
         if (it.size > 1) {
           callback(Result.failure(FlutterError(it[0] as String, it[1] as String, it[2] as String?)))

packages/simple_intent_receiver/lib/src/intent_receiver.dart

@@ -29,8 +29,8 @@ class IntentReceiver extends IntentEvents {
   Stream<Intent> get events => _controller.stream;
 
   @override
-  void onIntentReceived(int timestamp, Intent intent) {
+  void onIntentReceived(int sequence, Intent intent) {
-    if (_lastAdded == null || timestamp > _lastAdded!) {
+    if (_lastAdded == null || sequence > _lastAdded!) {
       _controller.add(intent);
     }
   }

packages/simple_intent_receiver/lib/src/pigeons/intent.g.dart

@@ -128,7 +128,7 @@ class _PigeonCodec extends StandardMessageCodec {
 abstract class IntentEvents {
   static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
 
-  void onIntentReceived(int timestamp, Intent intent);
+  void onIntentReceived(int sequence, Intent intent);
 
   static void setUp(IntentEvents? api, {BinaryMessenger? binaryMessenger, String messageChannelSuffix = '',}) {
     messageChannelSuffix = messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
@@ -143,14 +143,14 @@ abstract class IntentEvents {
           assert(message != null,
           'Argument for dev.flutter.pigeon.simple_intent_receiver.IntentEvents.onIntentReceived was null.');
           final List<Object?> args = (message as List<Object?>?)!;
-          final int? arg_timestamp = (args[0] as int?);
+          final int? arg_sequence = (args[0] as int?);
-          assert(arg_timestamp != null,
+          assert(arg_sequence != null,
               'Argument for dev.flutter.pigeon.simple_intent_receiver.IntentEvents.onIntentReceived was null, expected non-null int.');
           final Intent? arg_intent = (args[1] as Intent?);
           assert(arg_intent != null,
               'Argument for dev.flutter.pigeon.simple_intent_receiver.IntentEvents.onIntentReceived was null, expected non-null Intent.');
           try {
-            api.onIntentReceived(arg_timestamp!, arg_intent!);
+            api.onIntentReceived(arg_sequence!, arg_intent!);
             return wrapResponse(empty: true);
           } on PlatformException catch (e) {
             return wrapResponse(error: e);

packages/simple_intent_receiver/pigeons/intent.dart

@@ -51,5 +51,5 @@ class Intent {
 )
 @FlutterApi()
 abstract class IntentEvents {
-  void onIntentReceived(int timestamp, Intent intent);
+  void onIntentReceived(int sequence, Intent intent);
 }