Notify of ringing call when there's an active call (#3003)

* Add `CallNotificationEventResolver` to be able to force the new ringing notification to be non-ringing given an existing ringing one.

features/call/impl/src/main/kotlin/io/element/android/features/call/impl/utils/ActiveCallManager.kt

@@ -89,6 +89,7 @@ class DefaultActiveCallManager @Inject constructor(
 
     override fun registerIncomingCall(notificationData: CallNotificationData) {
         if (activeCall.value != null) {
+            displayMissedCallNotification(notificationData)
             Timber.w("Already have an active call, ignoring incoming call: $notificationData")
             return
         }
@@ -99,7 +100,6 @@ class DefaultActiveCallManager @Inject constructor(
         )
 
         timedOutCallJob = coroutineScope.launch {
-            registerIncomingCall(notificationData)
             showIncomingCallNotification(notificationData)
 
             // Wait for the call to end
@@ -115,13 +115,7 @@ class DefaultActiveCallManager @Inject constructor(
 
         cancelIncomingCallNotification()
 
-        coroutineScope.launch {
-            onMissedCallNotificationHandler.addMissedCallNotification(
-                sessionId = previousActiveCall.sessionId,
-                roomId = previousActiveCall.roomId,
-                eventId = notificationData.eventId,
-            )
-        }
+        displayMissedCallNotification(notificationData)
     }
 
     override fun hungUpCall() {
@@ -174,6 +168,16 @@ class DefaultActiveCallManager @Inject constructor(
     private fun cancelIncomingCallNotification() {
         notificationManagerCompat.cancel(NotificationIdProvider.getForegroundServiceNotificationId(ForegroundServiceType.INCOMING_CALL))
     }
+
+    private fun displayMissedCallNotification(notificationData: CallNotificationData) {
+        coroutineScope.launch {
+            onMissedCallNotificationHandler.addMissedCallNotification(
+                sessionId = notificationData.sessionId,
+                roomId = notificationData.roomId,
+                eventId = notificationData.eventId,
+            )
+        }
+    }
 }
 
 /**

features/call/impl/src/test/kotlin/io/element/android/features/call/utils/DefaultActiveCallManagerTest.kt

@@ -27,6 +27,7 @@ import io.element.android.features.call.test.aCallNotificationData
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.test.AN_EVENT_ID
 import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.libraries.matrix.test.A_ROOM_ID_2
 import io.element.android.libraries.matrix.test.A_SESSION_ID
@@ -39,10 +40,12 @@ import io.element.android.libraries.push.test.notifications.FakeImageLoaderHolde
 import io.element.android.libraries.push.test.notifications.FakeOnMissedCallNotificationHandler
 import io.element.android.libraries.push.test.notifications.push.FakeNotificationBitmapLoader
 import io.element.android.tests.testutils.lambda.lambdaRecorder
+import io.element.android.tests.testutils.lambda.value
 import io.mockk.mockk
 import io.mockk.verify
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.advanceTimeBy
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
@@ -77,9 +80,14 @@ class DefaultActiveCallManagerTest {
         verify { notificationManagerCompat.notify(notificationId, any()) }
     }
 
+    @OptIn(ExperimentalCoroutinesApi::class)
     @Test
-    fun `registerIncomingCall - when there is an already active call does nothing`() = runTest {
-        val manager = createActiveCallManager()
+    fun `registerIncomingCall - when there is an already active call adds missed call notification`() = runTest {
+        val addMissedCallNotificationLambda = lambdaRecorder<SessionId, RoomId, EventId, Unit> { _, _, _ -> }
+        val onMissedCallNotificationHandler = FakeOnMissedCallNotificationHandler(addMissedCallNotificationLambda = addMissedCallNotificationLambda)
+        val manager = createActiveCallManager(
+            onMissedCallNotificationHandler = onMissedCallNotificationHandler,
+        )
 
         // Register existing call
         val callNotificationData = aCallNotificationData()
@@ -91,6 +99,12 @@ class DefaultActiveCallManagerTest {
 
         assertThat(manager.activeCall.value).isEqualTo(activeCall)
         assertThat(manager.activeCall.value?.roomId).isNotEqualTo(A_ROOM_ID_2)
+
+        advanceTimeBy(1)
+
+        addMissedCallNotificationLambda.assertions()
+            .isCalledOnce()
+            .with(value(A_SESSION_ID), value(A_ROOM_ID_2), value(AN_EVENT_ID))
     }
 
     @Test
@@ -119,12 +133,10 @@ class DefaultActiveCallManagerTest {
         assertThat(manager.activeCall.value).isNotNull()
 
         manager.incomingCallTimedOut()
+        advanceTimeBy(1)
+
         assertThat(manager.activeCall.value).isNull()
-
-        runCurrent()
-
         addMissedCallNotificationLambda.assertions().isCalledOnce()
-
         verify { notificationManagerCompat.cancel(notificationId) }
     }
 

libraries/matrix/api/src/test/kotlin/io/element/android/libraries/matrix/api/notification/NotificationDataTest.kt

@@ -17,9 +17,8 @@
 package io.element.android.libraries.matrix.api.notification
 
 import com.google.common.truth.Truth.assertThat
-import io.element.android.libraries.matrix.test.AN_EVENT_ID
-import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.libraries.matrix.test.A_USER_ID
+import io.element.android.libraries.matrix.test.notification.aNotificationData
 import org.junit.Test
 
 class NotificationDataTest {
@@ -49,25 +48,4 @@ class NotificationDataTest {
         )
         assertThat(sut.getDisambiguatedDisplayName(A_USER_ID)).isEqualTo("Alice (@alice:server.org)")
     }
-
-    private fun aNotificationData(
-        senderDisplayName: String?,
-        senderIsNameAmbiguous: Boolean,
-    ): NotificationData {
-        return NotificationData(
-            eventId = AN_EVENT_ID,
-            roomId = A_ROOM_ID,
-            senderAvatarUrl = null,
-            senderDisplayName = senderDisplayName,
-            senderIsNameAmbiguous = senderIsNameAmbiguous,
-            roomAvatarUrl = null,
-            roomDisplayName = null,
-            isDirect = false,
-            isEncrypted = false,
-            isNoisy = false,
-            timestamp = 0L,
-            content = NotificationContent.MessageLike.RoomEncrypted,
-            hasMention = false,
-        )
-    }
 }

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/notification/NotificationData.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.matrix.test.notification
+
+import io.element.android.libraries.matrix.api.notification.NotificationContent
+import io.element.android.libraries.matrix.api.notification.NotificationData
+import io.element.android.libraries.matrix.test.AN_EVENT_ID
+import io.element.android.libraries.matrix.test.A_ROOM_ID
+
+fun aNotificationData(
+    senderDisplayName: String?,
+    senderIsNameAmbiguous: Boolean,
+): NotificationData {
+    return NotificationData(
+        eventId = AN_EVENT_ID,
+        roomId = A_ROOM_ID,
+        senderAvatarUrl = null,
+        senderDisplayName = senderDisplayName,
+        senderIsNameAmbiguous = senderIsNameAmbiguous,
+        roomAvatarUrl = null,
+        roomDisplayName = null,
+        isDirect = false,
+        isEncrypted = false,
+        isNoisy = false,
+        timestamp = 0L,
+        content = NotificationContent.MessageLike.RoomEncrypted,
+        hasMention = false,
+    )
+}

libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/CallNotificationEventResolver.kt

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.push.impl.notifications
+
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.notification.NotificationContent
+import io.element.android.libraries.matrix.api.notification.NotificationData
+import io.element.android.libraries.matrix.api.timeline.item.event.EventType
+import io.element.android.libraries.push.impl.R
+import io.element.android.libraries.push.impl.notifications.model.NotifiableEvent
+import io.element.android.libraries.push.impl.notifications.model.NotifiableRingingCallEvent
+import io.element.android.services.toolbox.api.strings.StringProvider
+import javax.inject.Inject
+
+/**
+ * Helper to resolve a valid [NotifiableEvent] from a [NotificationData].
+ */
+interface CallNotificationEventResolver {
+    /**
+     * Resolve a call notification event from a notification data depending on whether it should be a ringing one or not.
+     * @param sessionId the current session id
+     * @param notificationData the notification data
+     * @param forceNotify `true` to force the notification to be non-ringing, `false` to use the default behaviour. Default is `false`.
+     * @return a [NotifiableEvent] if the notification data is a call notification, null otherwise
+     */
+    fun resolveEvent(sessionId: SessionId, notificationData: NotificationData, forceNotify: Boolean = false): NotifiableEvent?
+}
+
+@ContributesBinding(AppScope::class)
+class DefaultCallNotificationEventResolver @Inject constructor(
+    private val stringProvider: StringProvider,
+) : CallNotificationEventResolver {
+    override fun resolveEvent(sessionId: SessionId, notificationData: NotificationData, forceNotify: Boolean): NotifiableEvent? {
+        val content = notificationData.content as? NotificationContent.MessageLike.CallNotify ?: return null
+        return notificationData.run {
+            if (NotifiableRingingCallEvent.shouldRing(content.type, timestamp) && !forceNotify) {
+                NotifiableRingingCallEvent(
+                    sessionId = sessionId,
+                    roomId = roomId,
+                    eventId = eventId,
+                    roomName = roomDisplayName,
+                    editedEventId = null,
+                    canBeReplaced = true,
+                    timestamp = this.timestamp,
+                    isRedacted = false,
+                    isUpdated = false,
+                    description = stringProvider.getString(R.string.notification_incoming_call),
+                    senderDisambiguatedDisplayName = getDisambiguatedDisplayName(content.senderId),
+                    roomAvatarUrl = roomAvatarUrl,
+                    callNotifyType = content.type,
+                    senderId = content.senderId,
+                    senderAvatarUrl = senderAvatarUrl,
+                )
+            } else {
+                // Create a simple message notification event
+                buildNotifiableMessageEvent(
+                    sessionId = sessionId,
+                    senderId = content.senderId,
+                    roomId = roomId,
+                    eventId = eventId,
+                    noisy = true,
+                    timestamp = this.timestamp,
+                    senderDisambiguatedDisplayName = getDisambiguatedDisplayName(content.senderId),
+                    body = "☎️ ${stringProvider.getString(R.string.notification_incoming_call)}",
+                    roomName = roomDisplayName,
+                    roomIsDirect = isDirect,
+                    roomAvatarPath = roomAvatarUrl,
+                    senderAvatarPath = senderAvatarUrl,
+                    type = EventType.CALL_NOTIFY,
+                )
+            }
+        }
+    }
+}

libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/DefaultNotifiableEventResolver.kt

@@ -52,7 +52,6 @@ import io.element.android.libraries.push.impl.notifications.model.FallbackNotifi
 import io.element.android.libraries.push.impl.notifications.model.InviteNotifiableEvent
 import io.element.android.libraries.push.impl.notifications.model.NotifiableEvent
 import io.element.android.libraries.push.impl.notifications.model.NotifiableMessageEvent
-import io.element.android.libraries.push.impl.notifications.model.NotifiableRingingCallEvent
 import io.element.android.libraries.ui.strings.CommonStrings
 import io.element.android.services.toolbox.api.strings.StringProvider
 import io.element.android.services.toolbox.api.systemclock.SystemClock
@@ -79,6 +78,7 @@ class DefaultNotifiableEventResolver @Inject constructor(
     private val notificationMediaRepoFactory: NotificationMediaRepo.Factory,
     @ApplicationContext private val context: Context,
     private val permalinkParser: PermalinkParser,
+    private val callNotificationEventResolver: CallNotificationEventResolver,
 ) : NotifiableEventResolver {
     override suspend fun resolveEvent(sessionId: SessionId, roomId: RoomId, eventId: EventId): NotifiableEvent? {
         // Restore session
@@ -174,42 +174,7 @@ class DefaultNotifiableEventResolver @Inject constructor(
                 )
             }
             is NotificationContent.MessageLike.CallNotify -> {
-                if (NotifiableRingingCallEvent.shouldRing(content.type, timestamp)) {
-                    NotifiableRingingCallEvent(
-                        sessionId = userId,
-                        roomId = roomId,
-                        eventId = eventId,
-                        roomName = roomDisplayName,
-                        editedEventId = null,
-                        canBeReplaced = true,
-                        timestamp = this.timestamp,
-                        isRedacted = false,
-                        isUpdated = false,
-                        description = stringProvider.getString(R.string.notification_incoming_call),
-                        senderDisambiguatedDisplayName = getDisambiguatedDisplayName(content.senderId),
-                        roomAvatarUrl = roomAvatarUrl,
-                        callNotifyType = content.type,
-                        senderId = content.senderId,
-                        senderAvatarUrl = senderAvatarUrl,
-                    )
-                } else {
-                    // Create a simple message notification event
-                    buildNotifiableMessageEvent(
-                        sessionId = userId,
-                        senderId = content.senderId,
-                        roomId = roomId,
-                        eventId = eventId,
-                        noisy = true,
-                        timestamp = this.timestamp,
-                        senderDisambiguatedDisplayName = getDisambiguatedDisplayName(content.senderId),
-                        body = "☎️ ${stringProvider.getString(R.string.notification_incoming_call)}",
-                        roomName = roomDisplayName,
-                        roomIsDirect = isDirect,
-                        roomAvatarPath = roomAvatarUrl,
-                        senderAvatarPath = senderAvatarUrl,
-                        type = EventType.CALL_NOTIFY,
-                    )
-                }
+                callNotificationEventResolver.resolveEvent(userId, this)
             }
             NotificationContent.MessageLike.KeyVerificationAccept,
             NotificationContent.MessageLike.KeyVerificationCancel,
@@ -349,7 +314,7 @@ class DefaultNotifiableEventResolver @Inject constructor(
 }
 
 @Suppress("LongParameterList")
-private fun buildNotifiableMessageEvent(
+internal fun buildNotifiableMessageEvent(
     sessionId: SessionId,
     senderId: UserId,
     roomId: RoomId,

libraries/push/impl/src/main/kotlin/io/element/android/libraries/push/impl/notifications/DefaultOnMissedCallNotificationHandler.kt

@@ -18,6 +18,7 @@ package io.element.android.libraries.push.impl.notifications
 
 import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.matrix.api.MatrixClientProvider
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.SessionId
@@ -26,8 +27,9 @@ import javax.inject.Inject
 
 @ContributesBinding(AppScope::class)
 class DefaultOnMissedCallNotificationHandler @Inject constructor(
+    private val matrixClientProvider: MatrixClientProvider,
     private val defaultNotificationDrawerManager: DefaultNotificationDrawerManager,
-    private val notifiableEventResolver: NotifiableEventResolver,
+    private val callNotificationEventResolver: CallNotificationEventResolver,
 ) : OnMissedCallNotificationHandler {
     override suspend fun addMissedCallNotification(
         sessionId: SessionId,
@@ -35,7 +37,18 @@ class DefaultOnMissedCallNotificationHandler @Inject constructor(
         eventId: EventId,
     ) {
         // Resolve the event and add a notification for it, at this point it should no longer be a ringing one
-        val notifiableEvent = notifiableEventResolver.resolveEvent(sessionId, roomId, eventId)
+        val notificationData = matrixClientProvider.getOrRestore(sessionId).getOrNull()
+            ?.notificationService()
+            ?.getNotification(sessionId, roomId, eventId)
+            ?.getOrNull()
+            ?: return
+
+        val notifiableEvent = callNotificationEventResolver.resolveEvent(
+            sessionId = sessionId,
+            notificationData = notificationData,
+            // Make sure the notifiable event is not a ringing one
+            forceNotify = true,
+        )
         notifiableEvent?.let { defaultNotificationDrawerManager.onNotifiableEventReceived(it) }
     }
 }

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/notifications/DefaultNotifiableEventResolverTest.kt

@@ -660,6 +660,9 @@ class DefaultNotifiableEventResolverTest {
             notificationMediaRepoFactory = notificationMediaRepoFactory,
             context = context,
             permalinkParser = FakePermalinkParser(),
+            callNotificationEventResolver = DefaultCallNotificationEventResolver(
+                stringProvider = AndroidStringProvider(context.resources)
+            ),
         )
     }
 

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/notifications/DefaultOnMissedCallNotificationHandlerTest.kt

@@ -19,11 +19,16 @@ package io.element.android.libraries.push.impl.notifications
 import io.element.android.libraries.matrix.test.AN_EVENT_ID
 import io.element.android.libraries.matrix.test.A_ROOM_ID
 import io.element.android.libraries.matrix.test.A_SESSION_ID
+import io.element.android.libraries.matrix.test.A_USER_NAME
+import io.element.android.libraries.matrix.test.FakeMatrixClient
 import io.element.android.libraries.matrix.test.FakeMatrixClientProvider
+import io.element.android.libraries.matrix.test.notification.FakeNotificationService
+import io.element.android.libraries.matrix.test.notification.aNotificationData
 import io.element.android.libraries.push.impl.notifications.fake.FakeActiveNotificationsProvider
 import io.element.android.libraries.push.impl.notifications.fake.FakeNotificationDataFactory
 import io.element.android.libraries.push.impl.notifications.fake.FakeNotificationDisplayer
 import io.element.android.libraries.push.impl.notifications.fixtures.aNotifiableMessageEvent
+import io.element.android.libraries.push.test.notifications.FakeCallNotificationEventResolver
 import io.element.android.libraries.push.test.notifications.FakeImageLoaderHolder
 import io.element.android.services.appnavstate.test.FakeAppNavigationStateService
 import io.element.android.tests.testutils.lambda.lambdaRecorder
@@ -47,7 +52,15 @@ class DefaultOnMissedCallNotificationHandlerTest {
         val dataFactory = FakeNotificationDataFactory(
             messageEventToNotificationsResult = lambdaRecorder { _, _, _ -> emptyList() }
         )
+        // Create a fake matrix client provider that returns a fake matrix client with a fake notification service that returns a valid notification data
+        val matrixClientProvider = FakeMatrixClientProvider(getClient = {
+            val notificationService = FakeNotificationService().apply {
+                givenGetNotificationResult(Result.success(aNotificationData(senderDisplayName = A_USER_NAME, senderIsNameAmbiguous = false)))
+            }
+            Result.success(FakeMatrixClient(notificationService = notificationService))
+        })
         val defaultOnMissedCallNotificationHandler = DefaultOnMissedCallNotificationHandler(
+            matrixClientProvider = matrixClientProvider,
             defaultNotificationDrawerManager = DefaultNotificationDrawerManager(
                 notificationManager = mockk(relaxed = true),
                 notificationRenderer = NotificationRenderer(
@@ -60,7 +73,7 @@ class DefaultOnMissedCallNotificationHandlerTest {
                 imageLoaderHolder = FakeImageLoaderHolder(),
                 activeNotificationsProvider = FakeActiveNotificationsProvider(),
             ),
-            notifiableEventResolver = FakeNotifiableEventResolver(notifiableEventResult = { _, _, _ -> aNotifiableMessageEvent() }),
+            callNotificationEventResolver = FakeCallNotificationEventResolver(resolveEventLambda = { _, _, _ -> aNotifiableMessageEvent() }),
         )
 
         defaultOnMissedCallNotificationHandler.addMissedCallNotification(

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/notifications/fixtures/NotifiableEventFixture.kt

@@ -104,7 +104,7 @@ fun aNotifiableMessageEvent(
     type = type,
 )
 
-fun anNotifiableCallEvent(
+fun aNotifiableCallEvent(
     sessionId: SessionId = A_SESSION_ID,
     roomId: RoomId = A_ROOM_ID,
     eventId: EventId = AN_EVENT_ID,

libraries/push/impl/src/test/kotlin/io/element/android/libraries/push/impl/push/DefaultPushHandlerTest.kt

@@ -37,8 +37,8 @@ import io.element.android.libraries.matrix.test.auth.FakeMatrixAuthenticationSer
 import io.element.android.libraries.matrix.test.core.aBuildMeta
 import io.element.android.libraries.push.impl.notifications.FakeNotifiableEventResolver
 import io.element.android.libraries.push.impl.notifications.channels.FakeNotificationChannels
+import io.element.android.libraries.push.impl.notifications.fixtures.aNotifiableCallEvent
 import io.element.android.libraries.push.impl.notifications.fixtures.aNotifiableMessageEvent
-import io.element.android.libraries.push.impl.notifications.fixtures.anNotifiableCallEvent
 import io.element.android.libraries.push.impl.notifications.model.NotifiableEvent
 import io.element.android.libraries.push.impl.test.DefaultTestPush
 import io.element.android.libraries.push.impl.troubleshoot.DiagnosticPushHandler
@@ -240,7 +240,7 @@ class DefaultPushHandlerTest {
         val elementCallEntryPoint = FakeElementCallEntryPoint(handleIncomingCallResult = handleIncomingCallLambda)
         val defaultPushHandler = createDefaultPushHandler(
             elementCallEntryPoint = elementCallEntryPoint,
-            notifiableEventResult = { _, _, _ -> anNotifiableCallEvent(callNotifyType = CallNotifyType.RING, timestamp = Instant.now().toEpochMilli()) },
+            notifiableEventResult = { _, _, _ -> aNotifiableCallEvent(callNotifyType = CallNotifyType.RING, timestamp = Instant.now().toEpochMilli()) },
             incrementPushCounterResult = {},
             pushClientSecret = FakePushClientSecret(
                 getUserIdFromSecretResult = { A_USER_ID }

libraries/push/test/src/main/kotlin/io/element/android/libraries/push/test/notifications/FakeCallNotificationEventResolver.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.push.test.notifications
+
+import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.notification.NotificationData
+import io.element.android.libraries.push.impl.notifications.CallNotificationEventResolver
+import io.element.android.libraries.push.impl.notifications.model.NotifiableEvent
+
+class FakeCallNotificationEventResolver(
+    var resolveEventLambda: (sessionId: SessionId, notificationData: NotificationData, forceNotify: Boolean) -> NotifiableEvent? = { _, _, _ -> null },
+) : CallNotificationEventResolver {
+    override fun resolveEvent(sessionId: SessionId, notificationData: NotificationData, forceNotify: Boolean): NotifiableEvent? {
+        return resolveEventLambda(sessionId, notificationData, forceNotify)
+    }
+}