From 03de0608f2bf66cf7c8f9330c928cabbb81a5c79 Mon Sep 17 00:00:00 2001
From: Daniel Frett <daniel.frett@cru.org>
Date: Wed, 25 Sep 2024 09:23:45 -0600
Subject: [PATCH] provide a Scarlet.Builder extension method to force the
 default platform

---
 gto-support-scarlet/build.gradle.kts              |  1 +
 .../internal/utils/RuntimePlatformInternals.java  | 12 ++++++++++++
 .../com/tinder/scarlet/ScarletBuilderInternals.kt | 12 ++++++++++++
 .../internal/utils/RuntimePlatformInternals.kt    |  3 +++
 .../gto/android/common/scarlet/ScarletBuilder.kt  | 15 +++++++++++++++
 5 files changed, 43 insertions(+)
 create mode 100644 gto-support-scarlet/src/main/java/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.java
 create mode 100644 gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/ScarletBuilderInternals.kt
 create mode 100644 gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.kt
 create mode 100644 gto-support-scarlet/src/main/kotlin/org/ccci/gto/android/common/scarlet/ScarletBuilder.kt

diff --git a/gto-support-scarlet/build.gradle.kts b/gto-support-scarlet/build.gradle.kts
index 2b09e308d..4d69ac72a 100644
--- a/gto-support-scarlet/build.gradle.kts
+++ b/gto-support-scarlet/build.gradle.kts
@@ -11,5 +11,6 @@ dependencies {
     api(libs.scarlet.core)
     compileOnly(libs.scarlet)
 
+    implementation(project(":gto-support-util"))
     implementation(libs.okio)
 }
diff --git a/gto-support-scarlet/src/main/java/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.java b/gto-support-scarlet/src/main/java/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.java
new file mode 100644
index 000000000..61661c05a
--- /dev/null
+++ b/gto-support-scarlet/src/main/java/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.java
@@ -0,0 +1,12 @@
+package com.tinder.scarlet.internal.utils;
+
+import androidx.annotation.NonNull;
+
+class RuntimePlatformInternals {
+    /** @noinspection KotlinInternalInJava*/
+    @NonNull
+    @SuppressWarnings("MethodName")
+    static RuntimePlatform Default() {
+        return new RuntimePlatform.Default();
+    }
+}
diff --git a/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/ScarletBuilderInternals.kt b/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/ScarletBuilderInternals.kt
new file mode 100644
index 000000000..a92ba30c1
--- /dev/null
+++ b/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/ScarletBuilderInternals.kt
@@ -0,0 +1,12 @@
+package com.tinder.scarlet
+
+import org.ccci.gto.android.common.util.getDeclaredFieldOrNull
+import org.ccci.gto.android.common.util.getOrNull
+
+private val platformField = getDeclaredFieldOrNull<Scarlet.Builder>("platform")
+
+internal var Scarlet.Builder.platform: Any?
+    get() = platformField?.getOrNull(this)
+    set(value) {
+        platformField?.set(this, requireNotNull(value))
+    }
diff --git a/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.kt b/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.kt
new file mode 100644
index 000000000..3198bde2c
--- /dev/null
+++ b/gto-support-scarlet/src/main/kotlin/com/tinder/scarlet/internal/utils/RuntimePlatformInternals.kt
@@ -0,0 +1,3 @@
+package com.tinder.scarlet.internal.utils
+
+internal fun defaultPlatform() = RuntimePlatformInternals.Default()
diff --git a/gto-support-scarlet/src/main/kotlin/org/ccci/gto/android/common/scarlet/ScarletBuilder.kt b/gto-support-scarlet/src/main/kotlin/org/ccci/gto/android/common/scarlet/ScarletBuilder.kt
new file mode 100644
index 000000000..42bb45864
--- /dev/null
+++ b/gto-support-scarlet/src/main/kotlin/org/ccci/gto/android/common/scarlet/ScarletBuilder.kt
@@ -0,0 +1,15 @@
+package org.ccci.gto.android.common.scarlet
+
+import com.tinder.scarlet.Scarlet
+import com.tinder.scarlet.internal.utils.defaultPlatform
+import com.tinder.scarlet.platform
+
+/**
+ * Scarlet improperly detects desugared Android apps as the Java 8 runtime.
+ * This method will force the default platform for Scarlet to be used.
+ *
+ * See:
+ * https://github.com/Tinder/Scarlet/issues/235
+ * https://issuetracker.google.com/issues/342419066
+ */
+fun Scarlet.Builder.forceDefaultPlatform() = apply { platform = defaultPlatform() }