1 files changed, 164 insertions, 0 deletions
diff --git a/src/core/hle/service/am/applet.h b/src/core/hle/service/am/applet.h
new file mode 100644
index 000000000..9650a2615
--- /dev/null
+++ b/src/core/hle/service/am/applet.h
@@ -0,0 +1,164 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <list>
+#include <mutex>
+
+#include "common/math_util.h"
+#include "core/hle/service/apm/apm_controller.h"
+#include "core/hle/service/caps/caps_types.h"
+#include "core/hle/service/event.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/service.h"
+
+#include "core/hle/service/am/am_types.h"
+#include "core/hle/service/am/applet_message_queue.h"
+#include "core/hle/service/am/hid_registration.h"
+#include "core/hle/service/am/managed_layer_holder.h"
+#include "core/hle/service/am/process.h"
+#include "core/hle/service/am/storage.h"
+#include "core/hle/service/am/system_buffer_manager.h"
+
+namespace Service::Nvnflinger {
+class FbShareBufferManager;
+class Nvnflinger;
+} // namespace Service::Nvnflinger
+
+namespace Service::AM {
+
+class AppletStorageChannel {
+public:
+    explicit AppletStorageChannel(KernelHelpers::ServiceContext& ctx);
+    ~AppletStorageChannel();
+
+    void PushData(std::shared_ptr<IStorage> storage);
+    Result PopData(std::shared_ptr<IStorage>* out_storage);
+    Kernel::KReadableEvent* GetEvent();
+
+private:
+    std::mutex m_lock{};
+    std::deque<std::shared_ptr<IStorage>> m_data{};
+    Event m_event;
+};
+
+struct AppletStorageHolder {
+    explicit AppletStorageHolder(Core::System& system);
+    ~AppletStorageHolder();
+
+    KernelHelpers::ServiceContext context;
+
+    AppletStorageChannel in_data;
+    AppletStorageChannel interactive_in_data;
+    AppletStorageChannel out_data;
+    AppletStorageChannel interactive_out_data;
+    Event state_changed_event;
+};
+
+struct Applet {
+    explicit Applet(Core::System& system, std::unique_ptr<Process> process_);
+    ~Applet();
+
+    // Lock
+    std::mutex lock{};
+
+    // Event creation helper
+    KernelHelpers::ServiceContext context;
+
+    // Applet message queue
+    AppletMessageQueue message_queue;
+
+    // Process
+    std::unique_ptr<Process> process;
+
+    // Creation state
+    AppletId applet_id{};
+    AppletResourceUserId aruid{};
+    AppletProcessLaunchReason launch_reason{};
+    AppletType type{};
+    ProgramId program_id{};
+    LibraryAppletMode library_applet_mode{};
+    s32 previous_program_index{-1};
+    ScreenshotPermission previous_screenshot_permission{ScreenshotPermission::Enable};
+
+    // hid state
+    HidRegistration hid_registration;
+
+    // vi state
+    SystemBufferManager system_buffer_manager{};
+    ManagedLayerHolder managed_layer_holder{};
+
+    // Applet common functions
+    Result terminate_result{};
+    s32 display_logical_width{};
+    s32 display_logical_height{};
+    Common::Rectangle<f32> display_magnification{0, 0, 1, 1};
+    bool home_button_double_click_enabled{};
+    bool home_button_short_pressed_blocked{};
+    bool home_button_long_pressed_blocked{};
+    bool vr_mode_curtain_required{};
+    bool sleep_required_by_high_temperature{};
+    bool sleep_required_by_low_battery{};
+    s32 cpu_boost_request_priority{-1};
+    bool handling_capture_button_short_pressed_message_enabled_for_applet{};
+    bool handling_capture_button_long_pressed_message_enabled_for_applet{};
+    u32 application_core_usage_mode{};
+
+    // Application functions
+    bool gameplay_recording_supported{};
+    GameplayRecordingState gameplay_recording_state{GameplayRecordingState::Disabled};
+    bool jit_service_launched{};
+    bool is_running{};
+    bool application_crash_report_enabled{};
+
+    // Common state
+    FocusState focus_state{};
+    bool sleep_lock_enabled{};
+    bool vr_mode_enabled{};
+    bool lcd_backlight_off_enabled{};
+    APM::CpuBoostMode boost_mode{};
+    bool request_exit_to_library_applet_at_execute_next_program_enabled{};
+
+    // Channels
+    std::deque<std::vector<u8>> user_channel_launch_parameter{};
+    std::deque<std::vector<u8>> preselected_user_launch_parameter{};
+
+    // Caller applet
+    std::weak_ptr<Applet> caller_applet{};
+    std::shared_ptr<AppletStorageHolder> caller_applet_storage{};
+    bool is_completed{};
+
+    // Self state
+    bool exit_locked{};
+    s32 fatal_section_count{};
+    bool operation_mode_changed_notification_enabled{true};
+    bool performance_mode_changed_notification_enabled{true};
+    FocusHandlingMode focus_handling_mode{};
+    bool restart_message_enabled{};
+    bool out_of_focus_suspension_enabled{true};
+    Capture::AlbumImageOrientation album_image_orientation{};
+    bool handles_request_to_display{};
+    ScreenshotPermission screenshot_permission{};
+    IdleTimeDetectionExtension idle_time_detection_extension{};
+    bool auto_sleep_disabled{};
+    u64 suspended_ticks{};
+    bool album_image_taken_notification_enabled{};
+    bool record_volume_muted{};
+
+    // Events
+    Event gpu_error_detected_event;
+    Event friend_invitation_storage_channel_event;
+    Event notification_storage_channel_event;
+    Event health_warning_disappeared_system_event;
+    Event acquired_sleep_lock_event;
+    Event pop_from_general_channel_event;
+    Event library_applet_launchable_event;
+    Event accumulated_suspended_tick_changed_event;
+    Event sleep_lock_event;
+
+    // Frontend state
+    std::shared_ptr<Frontend::FrontendApplet> frontend{};
+};
+
+} // namespace Service::AM