From b8f1850bba98685e978025041e495198627b57f5 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sat, 1 Mar 2014 20:20:29 +0100
Subject: db/Configured: store database file in cache directory

Add class Context which wraps the Android/Java Context class and add a
JNI wrapper for method Context.getCacheDir().
---
 src/db/Configured.cxx | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

(limited to 'src/db')

diff --git a/src/db/Configured.cxx b/src/db/Configured.cxx
index 14471402a..78be3e999 100644
--- a/src/db/Configured.cxx
+++ b/src/db/Configured.cxx
@@ -26,6 +26,13 @@
 #include "util/Error.hxx"
 #include "Log.hxx"
 
+#ifdef ANDROID
+#include "Main.hxx"
+#include "android/Context.hxx"
+#include "fs/AllocatedPath.hxx"
+#include "plugins/simple/SimpleDatabasePlugin.hxx"
+#endif
+
 Database *
 CreateConfiguredDatabase(EventLoop &loop, DatabaseListener &listener,
 			 Error &error)
@@ -49,8 +56,25 @@ CreateConfiguredDatabase(EventLoop &loop, DatabaseListener &listener,
 		param = allocated;
 	}
 
-	if (param == nullptr)
+	if (param == nullptr) {
+#ifdef ANDROID
+		/* if there is no override, use the Android cache
+		   directory */
+
+		const AllocatedPath cache_dir =
+			context->GetCacheDir(Java::GetEnv());
+		if (cache_dir.IsNull())
+			return nullptr;
+
+		const auto db_file = AllocatedPath::Build(cache_dir, "mpd.db");
+
+		allocated = new config_param("database");
+		allocated->AddBlockParam("path", db_file.c_str(), -1);
+		param = allocated;
+#else
 		return nullptr;
+#endif
+	}
 
 	Database *db = DatabaseGlobalInit(loop, listener, *param,
 					  error);
-- 
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