99 lines
3.5 KiB
C++
99 lines
3.5 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/fs/fs_android.h"
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namespace Common::FS::Android {
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JNIEnv* GetEnvForThread() {
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thread_local static struct OwnedEnv {
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OwnedEnv() {
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status = g_jvm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
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if (status == JNI_EDETACHED)
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g_jvm->AttachCurrentThread(&env, nullptr);
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}
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~OwnedEnv() {
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if (status == JNI_EDETACHED)
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g_jvm->DetachCurrentThread();
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}
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int status;
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JNIEnv* env = nullptr;
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} owned;
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return owned.env;
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}
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void RegisterCallbacks(JNIEnv* env, jclass clazz) {
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env->GetJavaVM(&g_jvm);
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native_library = clazz;
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#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \
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F(JMethodID, JMethodName, Signature)
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#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) \
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F(JMethodID, JMethodName, Signature)
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#define F(JMethodID, JMethodName, Signature) \
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JMethodID = env->GetStaticMethodID(native_library, JMethodName, Signature);
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ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
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ANDROID_STORAGE_FUNCTIONS(FS)
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#undef F
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#undef FS
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#undef FR
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}
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void UnRegisterCallbacks() {
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#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) F(JMethodID)
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#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) F(JMethodID)
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#define F(JMethodID) JMethodID = nullptr;
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ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
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ANDROID_STORAGE_FUNCTIONS(FS)
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#undef F
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#undef FS
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#undef FR
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}
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bool IsContentUri(const std::string& path) {
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constexpr std::string_view prefix = "content://";
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if (path.size() < prefix.size()) [[unlikely]] {
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return false;
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}
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return path.find(prefix) == 0;
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}
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int OpenContentUri(const std::string& filepath, OpenMode openmode) {
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if (open_content_uri == nullptr)
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return -1;
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const char* mode = "";
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switch (openmode) {
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case OpenMode::Read:
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mode = "r";
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break;
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default:
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UNIMPLEMENTED();
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return -1;
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}
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auto env = GetEnvForThread();
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jstring j_filepath = env->NewStringUTF(filepath.c_str());
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jstring j_mode = env->NewStringUTF(mode);
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return env->CallStaticIntMethod(native_library, open_content_uri, j_filepath, j_mode);
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}
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#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \
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F(FunctionName, ReturnValue, JMethodID, Caller)
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#define F(FunctionName, ReturnValue, JMethodID, Caller) \
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ReturnValue FunctionName(const std::string& filepath) { \
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if (JMethodID == nullptr) { \
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return 0; \
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} \
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auto env = GetEnvForThread(); \
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jstring j_filepath = env->NewStringUTF(filepath.c_str()); \
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return env->Caller(native_library, JMethodID, j_filepath); \
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}
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ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
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#undef F
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#undef FR
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} // namespace Common::FS::Android
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