mpd/src/android/Context.cxx

83 lines
2.4 KiB
C++

/*
* Copyright 2003-2021 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 "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);
}