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android: Implement SAF support & migrate to SDK 31. (#4)

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bunnei
2023-02-03 16:13:16 -08:00
parent 39ab81a098
commit ef605f7d8f
38 changed files with 856 additions and 702 deletions
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98
src/common/fs/fs_android.cpp Normal file
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/fs/fs_android.h"
namespace Common::FS::Android {
JNIEnv* GetEnvForThread() {
thread_local static struct OwnedEnv {
OwnedEnv() {
status = g_jvm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
if (status == JNI_EDETACHED)
g_jvm->AttachCurrentThread(&env, nullptr);
}
~OwnedEnv() {
if (status == JNI_EDETACHED)
g_jvm->DetachCurrentThread();
}
int status;
JNIEnv* env = nullptr;
} owned;
return owned.env;
}
void RegisterCallbacks(JNIEnv* env, jclass clazz) {
env->GetJavaVM(&g_jvm);
native_library = clazz;
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \
F(JMethodID, JMethodName, Signature)
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) \
F(JMethodID, JMethodName, Signature)
#define F(JMethodID, JMethodName, Signature) \
JMethodID = env->GetStaticMethodID(native_library, JMethodName, Signature);
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
ANDROID_STORAGE_FUNCTIONS(FS)
#undef F
#undef FS
#undef FR
}
void UnRegisterCallbacks() {
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) F(JMethodID)
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) F(JMethodID)
#define F(JMethodID) JMethodID = nullptr;
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
ANDROID_STORAGE_FUNCTIONS(FS)
#undef F
#undef FS
#undef FR
}
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;
}
int OpenContentUri(const std::string& filepath, OpenMode openmode) {
if (open_content_uri == nullptr)
return -1;
const char* mode = "";
switch (openmode) {
case OpenMode::Read:
mode = "r";
break;
default:
UNIMPLEMENTED();
return -1;
}
auto env = GetEnvForThread();
jstring j_filepath = env->NewStringUTF(filepath.c_str());
jstring j_mode = env->NewStringUTF(mode);
return env->CallStaticIntMethod(native_library, open_content_uri, j_filepath, j_mode);
}
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \
F(FunctionName, ReturnValue, JMethodID, Caller)
#define F(FunctionName, ReturnValue, JMethodID, Caller) \
ReturnValue FunctionName(const std::string& filepath) { \
if (JMethodID == nullptr) { \
return 0; \
} \
auto env = GetEnvForThread(); \
jstring j_filepath = env->NewStringUTF(filepath.c_str()); \
return env->Caller(native_library, JMethodID, j_filepath); \
}
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
#undef F
#undef FR
} // namespace Common::FS::Android