1 files changed, 116 insertions, 0 deletions
diff --git a/src/android/app/src/main/jni/id_cache.cpp b/src/android/app/src/main/jni/id_cache.cpp
new file mode 100644
index 000000000..9cbbf23a3
--- /dev/null
+++ b/src/android/app/src/main/jni/id_cache.cpp
@@ -0,0 +1,116 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <jni.h>
+
+#include "common/assert.h"
+#include "common/fs/fs_android.h"
+#include "jni/applets/software_keyboard.h"
+#include "jni/id_cache.h"
+#include "video_core/rasterizer_interface.h"
+
+static JavaVM* s_java_vm;
+static jclass s_native_library_class;
+static jclass s_disk_cache_progress_class;
+static jclass s_load_callback_stage_class;
+static jmethodID s_exit_emulation_activity;
+static jmethodID s_disk_cache_load_progress;
+
+static constexpr jint JNI_VERSION = JNI_VERSION_1_6;
+
+namespace IDCache {
+
+JNIEnv* GetEnvForThread() {
+    thread_local static struct OwnedEnv {
+        OwnedEnv() {
+            status = s_java_vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
+            if (status == JNI_EDETACHED)
+                s_java_vm->AttachCurrentThread(&env, nullptr);
+        }
+
+        ~OwnedEnv() {
+            if (status == JNI_EDETACHED)
+                s_java_vm->DetachCurrentThread();
+        }
+
+        int status;
+        JNIEnv* env = nullptr;
+    } owned;
+    return owned.env;
+}
+
+jclass GetNativeLibraryClass() {
+    return s_native_library_class;
+}
+
+jclass GetDiskCacheProgressClass() {
+    return s_disk_cache_progress_class;
+}
+
+jclass GetDiskCacheLoadCallbackStageClass() {
+    return s_load_callback_stage_class;
+}
+
+jmethodID GetExitEmulationActivity() {
+    return s_exit_emulation_activity;
+}
+
+jmethodID GetDiskCacheLoadProgress() {
+    return s_disk_cache_load_progress;
+}
+
+} // namespace IDCache
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+    s_java_vm = vm;
+
+    JNIEnv* env;
+    if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION) != JNI_OK)
+        return JNI_ERR;
+
+    // Initialize Java classes
+    const jclass native_library_class = env->FindClass("org/yuzu/yuzu_emu/NativeLibrary");
+    s_native_library_class = reinterpret_cast<jclass>(env->NewGlobalRef(native_library_class));
+    s_disk_cache_progress_class = reinterpret_cast<jclass>(env->NewGlobalRef(
+        env->FindClass("org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress")));
+    s_load_callback_stage_class = reinterpret_cast<jclass>(env->NewGlobalRef(env->FindClass(
+        "org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress$LoadCallbackStage")));
+
+    // Initialize methods
+    s_exit_emulation_activity =
+        env->GetStaticMethodID(s_native_library_class, "exitEmulationActivity", "(I)V");
+    s_disk_cache_load_progress =
+        env->GetStaticMethodID(s_disk_cache_progress_class, "loadProgress", "(III)V");
+
+    // Initialize Android Storage
+    Common::FS::Android::RegisterCallbacks(env, s_native_library_class);
+
+    // Initialize applets
+    SoftwareKeyboard::InitJNI(env);
+
+    return JNI_VERSION;
+}
+
+void JNI_OnUnload(JavaVM* vm, void* reserved) {
+    JNIEnv* env;
+    if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION) != JNI_OK) {
+        return;
+    }
+
+    // UnInitialize Android Storage
+    Common::FS::Android::UnRegisterCallbacks();
+    env->DeleteGlobalRef(s_native_library_class);
+    env->DeleteGlobalRef(s_disk_cache_progress_class);
+    env->DeleteGlobalRef(s_load_callback_stage_class);
+
+    // UnInitialize applets
+    SoftwareKeyboard::CleanupJNI(env);
+}
+
+#ifdef __cplusplus
+}
+#endif