From 2dba06dc34eb4b01463e1666bde883d8f2ddc8f2 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 24 Aug 2021 21:58:09 +0200
Subject: [PATCH] android/Context: add GetExternalFilesDir()

---
 src/android/Context.cxx | 19 +++++++++++++++++++
 src/android/Context.hxx |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/src/android/Context.cxx b/src/android/Context.cxx
index 03c0cd52a..2c51779bd 100644
--- a/src/android/Context.cxx
+++ b/src/android/Context.cxx
@@ -26,6 +26,25 @@
 
 #include "AudioManager.hxx"
 
+AllocatedPath
+Context::GetExternalFilesDir(JNIEnv *env, const char *_type) noexcept
+{
+	assert(_type != nullptr);
+
+	Java::Class cls{env, env->GetObjectClass(Get())};
+	jmethodID method = env->GetMethodID(cls, "getExternalFilesDir",
+					    "(Ljava/lang/String;)Ljava/io/File;");
+	assert(method);
+
+	Java::String type{env, _type};
+
+	jobject file = env->CallObjectMethod(Get(), method, type.Get());
+	if (Java::DiscardException(env) || file == nullptr)
+		return nullptr;
+
+	return Java::File::ToAbsolutePath(env, file);
+}
+
 AllocatedPath
 Context::GetCacheDir(JNIEnv *env) const noexcept
 {
diff --git a/src/android/Context.hxx b/src/android/Context.hxx
index 6be0735a2..da3d27c05 100644
--- a/src/android/Context.hxx
+++ b/src/android/Context.hxx
@@ -30,6 +30,10 @@ public:
 	Context(JNIEnv *env, jobject obj) noexcept
 		:Java::GlobalObject(env, obj) {}
 
+	[[gnu::pure]]
+	AllocatedPath GetExternalFilesDir(JNIEnv *env,
+					  const char *type) noexcept;
+
 	[[gnu::pure]]
 	AllocatedPath GetCacheDir(JNIEnv *env) const noexcept;