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authorMax Kellermann <max@duempel.org>2014-03-01 20:20:29 +0100
committerMax Kellermann <max@duempel.org>2014-03-01 22:20:28 +0100
commitb8f1850bba98685e978025041e495198627b57f5 (patch)
treea406368074249d77e84572a4f228ea1fcfd19104
parent5268f55344229f70e3565f63671eb582eaff733f (diff)
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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().
-rw-r--r--Makefile.am1
-rw-r--r--android/src/Bridge.java4
-rw-r--r--android/src/Main.java2
-rw-r--r--src/Main.cxx10
-rw-r--r--src/Main.hxx5
-rw-r--r--src/android/Context.cxx43
-rw-r--r--src/android/Context.hxx35
-rw-r--r--src/db/Configured.cxx26
8 files changed, 122 insertions, 4 deletions
diff --git a/Makefile.am b/Makefile.am
index 8f5ff1be2..9866d2936 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -254,6 +254,7 @@ libjava_a_SOURCES = \
noinst_LIBRARIES += libandroid.a
libandroid_a_SOURCES = \
+ src/android/Context.cxx src/android/Context.hxx \
src/android/Environment.cxx src/android/Environment.hxx
libandroid_a_CPPFLAGS = $(AM_CPPFLAGS) -Iandroid/build/include
diff --git a/android/src/Bridge.java b/android/src/Bridge.java
index d1dfec894..dc487fe30 100644
--- a/android/src/Bridge.java
+++ b/android/src/Bridge.java
@@ -19,9 +19,11 @@
package org.musicpd;
+import android.content.Context;
+
/**
* Bridge to native code.
*/
public class Bridge {
- public static native void run();
+ public static native void run(Context context);
}
diff --git a/android/src/Main.java b/android/src/Main.java
index 01974af6d..3910c850d 100644
--- a/android/src/Main.java
+++ b/android/src/Main.java
@@ -57,6 +57,6 @@ public class Main extends Activity implements Runnable {
}
@Override public void run() {
- Bridge.run();
+ Bridge.run(this);
}
}
diff --git a/src/Main.cxx b/src/Main.cxx
index f54638170..165e53fd7 100644
--- a/src/Main.cxx
+++ b/src/Main.cxx
@@ -93,6 +93,7 @@
#include "java/Global.hxx"
#include "java/File.hxx"
#include "android/Environment.hxx"
+#include "android/Context.hxx"
#include "org_musicpd_Bridge.h"
#endif
@@ -118,6 +119,10 @@ static constexpr unsigned DEFAULT_BUFFER_BEFORE_PLAY = 10;
static constexpr Domain main_domain("main");
+#ifdef ANDROID
+Context *context;
+#endif
+
Instance *instance;
static StateFile *state_file;
@@ -679,14 +684,17 @@ int mpd_main(int argc, char *argv[])
gcc_visibility_default
JNIEXPORT void JNICALL
-Java_org_musicpd_Bridge_run(JNIEnv *env, jclass)
+Java_org_musicpd_Bridge_run(JNIEnv *env, jclass, jobject _context)
{
Java::Init(env);
Java::File::Initialise(env);
Environment::Initialise(env);
+ context = new Context(env, _context);
+
mpd_main(0, nullptr);
+ delete context;
Environment::Deinitialise(env);
}
diff --git a/src/Main.hxx b/src/Main.hxx
index e2b1f5c31..7e3fecd0b 100644
--- a/src/Main.hxx
+++ b/src/Main.hxx
@@ -21,8 +21,13 @@
#define MPD_MAIN_HXX
class EventLoop;
+class Context;
struct Instance;
+#ifdef ANDROID
+extern Context *context;
+#endif
+
extern Instance *instance;
#ifndef ANDROID
diff --git a/src/android/Context.cxx b/src/android/Context.cxx
new file mode 100644
index 000000000..f75e1503e
--- /dev/null
+++ b/src/android/Context.cxx
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "Context.hxx"
+#include "java/Class.hxx"
+#include "java/File.hxx"
+#include "fs/AllocatedPath.hxx"
+
+AllocatedPath
+Context::GetCacheDir(JNIEnv *env) const
+{
+ assert(env != nullptr);
+
+ Java::Class cls(env, env->GetObjectClass(Get()));
+ jmethodID method = env->GetMethodID(cls, "getCacheDir",
+ "()Ljava/io/File;");
+ assert(method);
+
+ jobject file = env->CallObjectMethod(Get(), method);
+ if (file == nullptr) {
+ env->ExceptionClear();
+ return AllocatedPath::Null();
+ }
+
+ return Java::File::ToAbsolutePath(env, file);
+}
diff --git a/src/android/Context.hxx b/src/android/Context.hxx
new file mode 100644
index 000000000..b8a47777d
--- /dev/null
+++ b/src/android/Context.hxx
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_ANDROID_CONTEXT_HXX
+#define MPD_ANDROID_CONTEXT_HXX
+
+#include "java/Object.hxx"
+
+class AllocatedPath;
+
+class Context : public Java::Object {
+public:
+ Context(JNIEnv *env, jobject obj):Java::Object(env, obj) {}
+
+ gcc_pure
+ AllocatedPath GetCacheDir(JNIEnv *env) const;
+};
+
+#endif
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);