feat: Add custom Home intent for logged out users

Circumvent the DeepLinkNavigator fallback login case, which displays
email login for WPCOM. This change results in the login prologue
displaying instead, allowing the user to select WPCOM or self-hosted.

Author: dcalhoun

WordPress/src/main/java/org/wordpress/android/ui/ActivityLauncher.java

@@ -1751,4 +1751,13 @@ public static void startQRCodeAuthFlowInNewStack(@NonNull Context context, @NonN
 
         taskStackBuilder.startActivities();
     }
+
+    public static void showHome(@NonNull Context context, @NonNull Boolean isLoggedIn) {
+        if (isLoggedIn) {
+            viewMySiteInNewStack(context);
+        } else {
+            Intent intent = new Intent(context, LoginActivity.class);
+            context.startActivity(intent);
+        }
+    }
 }

WordPress/src/main/java/org/wordpress/android/ui/deeplinks/DeepLinkNavigator.kt

@@ -75,7 +75,7 @@ class DeepLinkNavigator
             is OpenPagesForSite -> ActivityLauncher.viewPagesInNewStack(activity, navigateAction.site)
             OpenPages -> ActivityLauncher.viewPagesInNewStack(activity)
             is OpenQRCodeAuthFlow -> ActivityLauncher.startQRCodeAuthFlowInNewStack(activity, navigateAction.uri)
-            OpenHome -> ActivityLauncher.viewMySiteInNewStack(activity)
+            is OpenHome -> ActivityLauncher.showHome(activity, navigateAction.isLoggedIn)
         }
         if (navigateAction != LoginForResult) {
             activity.finish()
@@ -103,6 +103,6 @@ class DeepLinkNavigator
         data class OpenPagesForSite(val site: SiteModel) : NavigateAction()
         object OpenPages : NavigateAction()
         data class OpenQRCodeAuthFlow(val uri: String) : NavigateAction()
-        object OpenHome : NavigateAction()
+        data class OpenHome(val isLoggedIn: Boolean) : NavigateAction()
     }
 }

WordPress/src/main/java/org/wordpress/android/ui/deeplinks/DeepLinkingIntentReceiverViewModel.kt

@@ -8,6 +8,7 @@ import org.wordpress.android.fluxc.store.AccountStore
 import org.wordpress.android.modules.UI_THREAD
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction.LoginForResult
+import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction.OpenHome
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction.OpenInBrowser
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction.ShowSignInFlow
 import org.wordpress.android.ui.deeplinks.handlers.DeepLinkHandlers
@@ -69,7 +70,7 @@ class DeepLinkingIntentReceiverViewModel
             if (action != null) {
                 deepLinkTrackingUtils.track(action, it, uriWrapper)
             }
-            if (accountStore.hasAccessToken() || it is OpenInBrowser || it is ShowSignInFlow) {
+            if (accountStore.hasAccessToken() || it is OpenInBrowser || it is ShowSignInFlow || it is OpenHome) {
                 _navigateAction.value = Event(it)
             } else {
                 _navigateAction.value = Event(LoginForResult)

WordPress/src/main/java/org/wordpress/android/ui/deeplinks/handlers/HomeLinkHandler.kt

@@ -1,12 +1,13 @@
 package org.wordpress.android.ui.deeplinks.handlers
 
+import org.wordpress.android.fluxc.store.AccountStore
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction
 import org.wordpress.android.ui.deeplinks.DeepLinkNavigator.NavigateAction.OpenHome
 import org.wordpress.android.util.UriWrapper
 import javax.inject.Inject
 
 class HomeLinkHandler
-@Inject constructor() : DeepLinkHandler {
+@Inject constructor(private val accountStore: AccountStore) : DeepLinkHandler {
     /**
      * Returns true if the URI looks like `wordpress://home`
      */
@@ -15,7 +16,7 @@ class HomeLinkHandler
     }
 
     override fun buildNavigateAction(uri: UriWrapper): NavigateAction {
-        return OpenHome
+        return OpenHome(accountStore.hasAccessToken())
     }
 
     override fun stripUrl(uri: UriWrapper): String {