Improved behavior with issuance resume from authorization, fixed issu…

…e with new credential offer deeplink while viewing a previous one, Android back key action correction for presentation and credential offer

common-feature/src/main/java/eu/europa/ec/commonfeature/ui/request/RequestScreen.kt

@@ -77,7 +77,7 @@ fun RequestScreen(
     ContentScreen(
         navigatableAction = ScreenNavigateAction.NONE,
         isLoading = state.isLoading,
-        onBack = { viewModel.setEvent(Event.GoBack) },
+        onBack = { viewModel.setEvent(Event.SecondaryButtonPressed) },
         contentErrorConfig = state.error
     ) { paddingValues ->
         Content(

core-logic/src/main/java/eu/europa/ec/corelogic/util/Constants.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 European Commission
+ *
+ * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
+ * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work
+ * except in compliance with the Licence.
+ *
+ * You may obtain a copy of the Licence at:
+ * https://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the Licence is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the Licence for the specific language
+ * governing permissions and limitations under the Licence.
+ */
+
+package eu.europa.ec.corelogic.util
+
+object CoreActions {
+    const val VCI_RESUME_ACTION = "vci.resume.eudi.action"
+}

issuance-feature/src/main/java/eu/europa/ec/issuancefeature/ui/document/add/AddDocumentScreen.kt

@@ -43,6 +43,7 @@ import androidx.navigation.NavController
 import eu.europa.ec.commonfeature.model.DocumentOptionItemUi
 import eu.europa.ec.corelogic.controller.IssuanceMethod
 import eu.europa.ec.corelogic.model.DocumentType
+import eu.europa.ec.corelogic.util.CoreActions
 import eu.europa.ec.resourceslogic.R
 import eu.europa.ec.resourceslogic.theme.values.allCorneredShapeSmall
 import eu.europa.ec.resourceslogic.theme.values.backgroundDefault
@@ -52,6 +53,7 @@ import eu.europa.ec.uilogic.component.AppIcons
 import eu.europa.ec.uilogic.component.IconData
 import eu.europa.ec.uilogic.component.IssuanceButton
 import eu.europa.ec.uilogic.component.IssuanceButtonData
+import eu.europa.ec.uilogic.component.SystemBroadcastReceiver
 import eu.europa.ec.uilogic.component.content.ContentScreen
 import eu.europa.ec.uilogic.component.content.ContentTitle
 import eu.europa.ec.uilogic.component.content.ScreenNavigateAction
@@ -129,6 +131,10 @@ fun AddDocumentScreen(
     ) {
         viewModel.setEvent(Event.Init(context.getPendingDeepLink()))
     }
+
+    SystemBroadcastReceiver(action = CoreActions.VCI_RESUME_ACTION) {
+        viewModel.setEvent(Event.OnResumeIssuance)
+    }
 }
 
 @Composable

issuance-feature/src/main/java/eu/europa/ec/issuancefeature/ui/document/add/AddDocumentViewModel.kt

@@ -70,6 +70,7 @@ sealed class Event : ViewEvent {
     data class Init(val deepLink: Uri?) : Event()
     data object Pop : Event()
     data object OnPause : Event()
+    data object OnResumeIssuance : Event()
     data object Finish : Event()
     data object DismissError : Event()
     data class IssueDocument(
@@ -141,6 +142,10 @@ class AddDocumentViewModel(
                     setState { copy(isLoading = false) }
                 }
             }
+
+            is Event.OnResumeIssuance -> setState {
+                copy(isLoading = true)
+            }
         }
     }
 

issuance-feature/src/main/java/eu/europa/ec/issuancefeature/ui/document/offer/DocumentOfferScreen.kt

@@ -41,8 +41,10 @@ import androidx.lifecycle.Lifecycle
 import androidx.navigation.NavController
 import eu.europa.ec.commonfeature.ui.request.DocumentCard
 import eu.europa.ec.commonfeature.ui.request.model.DocumentItemUi
+import eu.europa.ec.corelogic.util.CoreActions
 import eu.europa.ec.resourceslogic.R
 import eu.europa.ec.uilogic.component.ErrorInfo
+import eu.europa.ec.uilogic.component.SystemBroadcastReceiver
 import eu.europa.ec.uilogic.component.content.ContentGradient
 import eu.europa.ec.uilogic.component.content.ContentScreen
 import eu.europa.ec.uilogic.component.content.ContentTitle
@@ -86,7 +88,7 @@ fun DocumentOfferScreen(
         isLoading = state.isLoading,
         contentErrorConfig = state.error,
         navigatableAction = ScreenNavigateAction.NONE,
-        onBack = { viewModel.setEvent(Event.Pop) },
+        onBack = { viewModel.setEvent(Event.SecondaryButtonPressed) },
     ) { paddingValues ->
         Content(
             state = state,
@@ -131,6 +133,10 @@ fun DocumentOfferScreen(
     OneTimeLaunchedEffect {
         viewModel.setEvent(Event.Init)
     }
+
+    SystemBroadcastReceiver(action = CoreActions.VCI_RESUME_ACTION) {
+        viewModel.setEvent(Event.OnResumeIssuance)
+    }
 }
 
 private fun handleNavigationEffect(

issuance-feature/src/main/java/eu/europa/ec/issuancefeature/ui/document/offer/DocumentOfferViewModel.kt

@@ -62,6 +62,7 @@ sealed class Event : ViewEvent {
     data object Init : Event()
     data object Pop : Event()
     data object OnPause : Event()
+    data object OnResumeIssuance : Event()
     data object DismissError : Event()
 
     data class PrimaryButtonPressed(val context: Context) : Event()
@@ -173,6 +174,10 @@ class DocumentOfferViewModel(
                     setState { copy(isLoading = false) }
                 }
             }
+
+            is Event.OnResumeIssuance -> setState {
+                copy(isLoading = true)
+            }
         }
     }
 

ui-logic/src/main/java/eu/europa/ec/uilogic/component/BroadcastReceiver.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023 European Commission
+ *
+ * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
+ * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work
+ * except in compliance with the Licence.
+ *
+ * You may obtain a copy of the Licence at:
+ * https://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the Licence is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the Licence for the specific language
+ * governing permissions and limitations under the Licence.
+ */
+
+package eu.europa.ec.uilogic.component
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.ui.platform.LocalContext
+import androidx.core.content.ContextCompat
+
+@Composable
+fun SystemBroadcastReceiver(
+    action: String,
+    onEvent: (intent: Intent?) -> Unit
+) {
+    val context = LocalContext.current
+
+    // If either context or Action changes, unregister and register again
+    DisposableEffect(context, action) {
+        val intentFilter = IntentFilter(action)
+        val broadcastReceiver = object : BroadcastReceiver() {
+            override fun onReceive(context: Context, intent: Intent) {
+                onEvent(intent)
+            }
+        }
+
+        ContextCompat.registerReceiver(
+            context,
+            broadcastReceiver,
+            intentFilter,
+            ContextCompat.RECEIVER_EXPORTED
+        )
+
+        // When the effect leaves the Composition, remove the callback
+        onDispose {
+            context.unregisterReceiver(broadcastReceiver)
+        }
+    }
+}

ui-logic/src/main/java/eu/europa/ec/uilogic/container/EudiComponentActivity.kt

@@ -36,6 +36,7 @@ import androidx.navigation.NavGraphBuilder
 import com.chuckerteam.chucker.api.Chucker
 import eu.europa.ec.businesslogic.controller.security.SecurityController
 import eu.europa.ec.resourceslogic.theme.ThemeManager
+import eu.europa.ec.uilogic.navigation.IssuanceScreens
 import eu.europa.ec.uilogic.navigation.RouterHost
 import eu.europa.ec.uilogic.navigation.helper.DeepLinkType
 import eu.europa.ec.uilogic.navigation.helper.handleDeepLinkAction
@@ -111,6 +112,16 @@ open class EudiComponentActivity : FragmentActivity() {
                     routerHost.getNavController(),
                     it.link
                 )
+            } else if (
+                it.type == DeepLinkType.OPENID4VCI
+                && !routerHost.currentFlowIsAfterOnBoarding()
+                && routerHost.isScreenOnBackStackOrForeground(IssuanceScreens.AddDocument)
+            ) {
+                cacheDeepLink(intent)
+                routerHost.getNavController().popBackStack(
+                    route = IssuanceScreens.AddDocument.screenRoute,
+                    inclusive = false
+                )
             } else if (it.type != DeepLinkType.ISSUANCE) {
                 cacheDeepLink(intent)
                 if (routerHost.currentFlowIsAfterOnBoarding()) {

ui-logic/src/main/java/eu/europa/ec/uilogic/navigation/RouterHost.kt

@@ -35,6 +35,7 @@ interface RouterHost {
     fun currentFlowIsAfterOnBoarding(): Boolean
     fun popToLandingScreen()
     fun getLandingScreen(): String
+    fun isScreenOnBackStackOrForeground(screen: Screen): Boolean
 
     @Composable
     fun StartFlow(builder: NavGraphBuilder.(NavController) -> Unit)
@@ -81,6 +82,19 @@ class RouterHostImpl(
         }
     }
 
+    override fun isScreenOnBackStackOrForeground(screen: Screen): Boolean {
+        val screenRoute = screen.screenRoute
+        try {
+            if (navController.currentDestination?.route == screenRoute) {
+                return true
+            }
+            navController.getBackStackEntry(screenRoute)
+            return true
+        } catch (e: Exception) {
+            return false
+        }
+    }
+
     override fun popToLandingScreen() {
         navController.popBackStack(
             route = getLandingScreen(),

ui-logic/src/main/java/eu/europa/ec/uilogic/navigation/helper/DeepLinkHelper.kt

@@ -21,6 +21,7 @@ import android.content.Intent
 import android.net.Uri
 import androidx.core.net.toUri
 import androidx.navigation.NavController
+import eu.europa.ec.corelogic.util.CoreActions
 import eu.europa.ec.eudi.wallet.EudiWallet
 import eu.europa.ec.uilogic.BuildConfig
 import eu.europa.ec.uilogic.container.EudiComponentActivity
@@ -83,7 +84,11 @@ fun hasDeepLink(deepLinkUri: Uri?): DeepLinkAction? {
     }
 }
 
-fun handleDeepLinkAction(navController: NavController, uri: Uri, arguments: String? = null) {
+fun handleDeepLinkAction(
+    navController: NavController,
+    uri: Uri,
+    arguments: String? = null
+) {
     hasDeepLink(uri)?.let { action ->
 
         val screen: Screen
@@ -99,6 +104,7 @@ fun handleDeepLinkAction(navController: NavController, uri: Uri, arguments: Stri
 
             DeepLinkType.ISSUANCE -> {
                 EudiWallet.resumeOpenId4VciWithAuthorization(action.link)
+                notifyOnResumeIssuance(navController.context)
                 return@let
             }
 
@@ -147,4 +153,12 @@ enum class DeepLinkType(val host: String? = null) {
             else -> EXTERNAL
         }
     }
+}
+
+private fun notifyOnResumeIssuance(context: Context) {
+    Intent().also { intent ->
+        intent.setAction(CoreActions.VCI_RESUME_ACTION)
+        intent.putExtra("data", "Nothing to see here, move along.")
+        context.sendBroadcast(intent)
+    }
 }