mpd/src/android/Context.cxx
2023-03-06 14:59:48 +01:00

67 lines
1.7 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "Context.hxx"
#include "java/Class.hxx"
#include "java/Exception.hxx"
#include "java/File.hxx"
#include "java/String.hxx"
#include "fs/AllocatedPath.hxx"
#include "AudioManager.hxx"
static jmethodID getExternalFilesDir_method,
getCacheDir_method,
getSystemService_method;
void
Context::Initialise(JNIEnv *env) noexcept
{
Java::Class cls{env, "android/content/Context"};
getExternalFilesDir_method = env->GetMethodID(cls, "getExternalFilesDir",
"(Ljava/lang/String;)Ljava/io/File;");
getCacheDir_method = env->GetMethodID(cls, "getCacheDir",
"()Ljava/io/File;");
getSystemService_method = env->GetMethodID(cls, "getSystemService",
"(Ljava/lang/String;)Ljava/lang/Object;");
}
AllocatedPath
Context::GetExternalFilesDir(JNIEnv *env, const char *type) noexcept
{
assert(type != nullptr);
jobject file = env->CallObjectMethod(Get(), getExternalFilesDir_method,
Java::String::Optional(env, type).Get());
if (Java::DiscardException(env) || file == nullptr)
return nullptr;
return Java::File::ToAbsolutePath(env, file);
}
AllocatedPath
Context::GetCacheDir(JNIEnv *env) const noexcept
{
assert(env != nullptr);
jobject file = env->CallObjectMethod(Get(), getCacheDir_method);
if (Java::DiscardException(env) || file == nullptr)
return nullptr;
return Java::File::ToAbsolutePath(env, file);
}
AudioManager *
Context::GetAudioManager(JNIEnv *env) noexcept
{
assert(env != nullptr);
Java::String name(env, "audio");
jobject am = env->CallObjectMethod(Get(), getSystemService_method, name.Get());
if (Java::DiscardException(env) || am == nullptr)
return nullptr;
return new AudioManager(env, am);
}