[LinkNewDevice] Disable QrCode rotation

#7303

features/linknewdevice/impl/src/main/kotlin/io/element/android/features/linknewdevice/impl/screens/qrcode/ShowQrCodeNode.kt

@@ -39,6 +39,7 @@ class ShowQrCodeNode(
     private val callback: Callback = callback()
     private val showQrCodePresenter: ShowQrCodePresenter = showQrCodePresenterFactory.create(
         initialData = inputs.data,
+        maxQrCodeRotation = MAX_QR_CODE_ROTATION,
     )
 
     @Composable
@@ -50,4 +51,13 @@ class ShowQrCodeNode(
             onBackClick = callback::navigateBack,
         )
     }
+
+    companion object {
+        /**
+         * Max number of QrCode rotation.
+         * When QrCode is rotated this number of time, a TimeOut error is emitted.
+         * Set to 0 to disable QrCode rotation.
+         */
+        const val MAX_QR_CODE_ROTATION = 0
+    }
 }

features/linknewdevice/impl/src/main/kotlin/io/element/android/features/linknewdevice/impl/screens/qrcode/ShowQrCodePresenter.kt

@@ -33,18 +33,22 @@ private val tag = LoggerTag("ShowQrCodePresenter", LoggerTags.linkNewDevice)
 @AssistedInject
 class ShowQrCodePresenter(
     @Assisted private val initialData: String,
+    @Assisted private val maxQrCodeRotation: Int,
     private val linkNewMobileHandler: LinkNewMobileHandler,
 ) : Presenter<ShowQrCodeState> {
     @AssistedFactory
     interface Factory {
-        fun create(initialData: String): ShowQrCodePresenter
+        fun create(
+            initialData: String,
+            maxQrCodeRotation: Int,
+        ): ShowQrCodePresenter
     }
 
     private var loadingJob: Job? = null
 
     @Composable
     override fun present(): ShowQrCodeState {
-        var qrCodeRotationCounter by remember { mutableIntStateOf(MAX_QR_CODE_ROTATION) }
+        var qrCodeRotationCounter by remember { mutableIntStateOf(maxQrCodeRotation) }
         val state by produceState(
             initialValue = ShowQrCodeState(
                 data = AsyncData.Success(initialData),
@@ -81,8 +85,4 @@ class ShowQrCodePresenter(
 
         return state
     }
-
-    companion object {
-        const val MAX_QR_CODE_ROTATION = 10
-    }
 }

features/linknewdevice/impl/src/test/kotlin/io/element/android/features/linknewdevice/impl/screens/qrcode/ShowQrCodePresenterTest.kt

@@ -91,10 +91,36 @@ class ShowQrCodePresenterTest {
         }
     }
 
+    @Test
+    fun `present - when handler emits QrRotating, the presenter does not emit anything when rotation is disabled`() = runTest {
+        val linkMobileHandler = FakeLinkMobileHandler(
+            startResult = {},
+        )
+        val matrixClient = FakeMatrixClient(
+            sessionCoroutineScope = backgroundScope,
+            createLinkMobileHandlerResult = { Result.success(linkMobileHandler) },
+        )
+        val linkNewMobileHandler = LinkNewMobileHandler(matrixClient)
+        linkNewMobileHandler.createAndStartNewHandler()
+        createPresenter(
+            linkNewMobileHandler = linkNewMobileHandler,
+            maxQrCodeRotation = 0,
+        ).test {
+            awaitItem()
+            linkMobileHandler.emitStep(
+                LinkMobileStep.QrRotating
+            )
+            runCurrent()
+            expectNoEvents()
+        }
+    }
+
     private fun createPresenter(
         linkNewMobileHandler: LinkNewMobileHandler = LinkNewMobileHandler(FakeMatrixClient()),
+        maxQrCodeRotation: Int = 10,
     ) = ShowQrCodePresenter(
         initialData = "DATA",
+        maxQrCodeRotation = maxQrCodeRotation,
         linkNewMobileHandler = linkNewMobileHandler,
     )
 }