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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/android/android_common.h"
#include "common/android/id_cache.h"
#include "common/assert.h"
#include "common/fs/fs_android.h"
#include "common/string_util.h"
namespace Common::FS::Android {
void RegisterCallbacks(JNIEnv* env, jclass clazz) {
env->GetJavaVM(&g_jvm);
native_library = clazz;
s_get_parent_directory = env->GetStaticMethodID(native_library, "getParentDirectory",
"(Ljava/lang/String;)Ljava/lang/String;");
s_get_filename = env->GetStaticMethodID(native_library, "getFilename",
"(Ljava/lang/String;)Ljava/lang/String;");
s_get_size = env->GetStaticMethodID(native_library, "getSize", "(Ljava/lang/String;)J");
s_is_directory = env->GetStaticMethodID(native_library, "isDirectory", "(Ljava/lang/String;)Z");
s_file_exists = env->GetStaticMethodID(native_library, "exists", "(Ljava/lang/String;)Z");
s_open_content_uri = env->GetStaticMethodID(native_library, "openContentUri",
"(Ljava/lang/String;Ljava/lang/String;)I");
}
void UnRegisterCallbacks() {
s_get_parent_directory = nullptr;
s_get_filename = nullptr;
s_get_size = nullptr;
s_is_directory = nullptr;
s_file_exists = nullptr;
s_open_content_uri = nullptr;
}
bool IsContentUri(const std::string& path) {
constexpr std::string_view prefix = "content://";
if (path.size() < prefix.size()) [[unlikely]] {
return false;
}
return path.find(prefix) == 0;
}
s32 OpenContentUri(const std::string& filepath, OpenMode openmode) {
if (s_open_content_uri == nullptr)
return -1;
const char* mode = "";
switch (openmode) {
case OpenMode::Read:
mode = "r";
break;
default:
UNIMPLEMENTED();
return -1;
}
auto env = Common::Android::GetEnvForThread();
jstring j_filepath = Common::Android::ToJString(env, filepath);
jstring j_mode = Common::Android::ToJString(env, mode);
return env->CallStaticIntMethod(native_library, s_open_content_uri, j_filepath, j_mode);
}
u64 GetSize(const std::string& filepath) {
if (s_get_size == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
return static_cast<u64>(env->CallStaticLongMethod(
native_library, s_get_size,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath)));
}
bool IsDirectory(const std::string& filepath) {
if (s_is_directory == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
return env->CallStaticBooleanMethod(
native_library, s_is_directory,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath));
}
bool Exists(const std::string& filepath) {
if (s_file_exists == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
return env->CallStaticBooleanMethod(
native_library, s_file_exists,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath));
}
std::string GetParentDirectory(const std::string& filepath) {
if (s_get_parent_directory == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
jstring j_return = static_cast<jstring>(env->CallStaticObjectMethod(
native_library, s_get_parent_directory, Common::Android::ToJString(env, filepath)));
if (!j_return) {
return {};
}
return Common::Android::GetJString(env, j_return);
}
std::string GetFilename(const std::string& filepath) {
if (s_get_filename == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
jstring j_return = static_cast<jstring>(env->CallStaticObjectMethod(
native_library, s_get_filename, Common::Android::ToJString(env, filepath)));
if (!j_return) {
return {};
}
return Common::Android::GetJString(env, j_return);
}
} // namespace Common::FS::Android
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