From 4fb59fdfe1e5fe2d0b9313c395e0d7c880e00c6f Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Thu, 22 Nov 2018 21:02:36 -0500
Subject: applets: Implement ProfileSelect applet

Allows the player to select an emulated profile.
---
 src/core/hle/service/am/applets/profile_select.cpp | 76 ++++++++++++++++++++++
 src/core/hle/service/am/applets/profile_select.h   | 54 +++++++++++++++
 2 files changed, 130 insertions(+)
 create mode 100644 src/core/hle/service/am/applets/profile_select.cpp
 create mode 100644 src/core/hle/service/am/applets/profile_select.h

(limited to 'src/core/hle/service')

diff --git a/src/core/hle/service/am/applets/profile_select.cpp b/src/core/hle/service/am/applets/profile_select.cpp
new file mode 100644
index 000000000..750f0fdeb
--- /dev/null
+++ b/src/core/hle/service/am/applets/profile_select.cpp
@@ -0,0 +1,76 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include "common/assert.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/frontend/applets/software_keyboard.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/profile_select.h"
+
+namespace Service::AM::Applets {
+
+constexpr ResultCode ERR_USER_CANCELLED_SELECTION{ErrorModule::Account, 1};
+
+ProfileSelect::ProfileSelect() = default;
+ProfileSelect::~ProfileSelect() = default;
+
+void ProfileSelect::Initialize() {
+    complete = false;
+    status = RESULT_SUCCESS;
+    final_data.clear();
+
+    Applet::Initialize();
+
+    const auto user_config_storage = broker.PopNormalDataToApplet();
+    ASSERT(user_config_storage != nullptr);
+    const auto& user_config = user_config_storage->GetData();
+
+    ASSERT(user_config.size() >= sizeof(UserSelectionConfig));
+    std::memcpy(&config, user_config.data(), sizeof(UserSelectionConfig));
+}
+
+bool ProfileSelect::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode ProfileSelect::GetStatus() const {
+    return status;
+}
+
+void ProfileSelect::ExecuteInteractive() {
+    UNREACHABLE_MSG("Attempted to call interactive execution on non-interactive applet.");
+}
+
+void ProfileSelect::Execute() {
+    if (complete) {
+        broker.PushNormalDataFromApplet(IStorage{final_data});
+        return;
+    }
+
+    const auto& frontend{Core::System::GetInstance().GetProfileSelector()};
+
+    frontend.SelectProfile([this](std::optional<Account::UUID> uuid) { SelectionComplete(uuid); });
+}
+
+void ProfileSelect::SelectionComplete(std::optional<Account::UUID> uuid) {
+    UserSelectionOutput output{};
+
+    if (uuid.has_value() && uuid->uuid != Account::INVALID_UUID) {
+        output.result = 0;
+        output.uuid_selected = uuid->uuid;
+    } else {
+        status = ERR_USER_CANCELLED_SELECTION;
+        output.result = ERR_USER_CANCELLED_SELECTION.raw;
+        output.uuid_selected = Account::INVALID_UUID;
+    }
+
+    final_data = std::vector<u8>(sizeof(UserSelectionOutput));
+    std::memcpy(final_data.data(), &output, final_data.size());
+    broker.PushNormalDataFromApplet(IStorage{final_data});
+    broker.SignalStateChanged();
+}
+
+} // namespace Service::AM::Applets
diff --git a/src/core/hle/service/am/applets/profile_select.h b/src/core/hle/service/am/applets/profile_select.h
new file mode 100644
index 000000000..c383527f4
--- /dev/null
+++ b/src/core/hle/service/am/applets/profile_select.h
@@ -0,0 +1,54 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <string>
+#include <vector>
+
+#include "common/common_funcs.h"
+#include "common/swap.h"
+#include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/am/am.h"
+#include "core/hle/service/am/applets/applets.h"
+
+namespace Service::AM::Applets {
+
+struct UserSelectionConfig {
+    // TODO(DarkLordZach): RE this structure
+    // It seems to be flags and the like that determine the UI of the applet on the switch... from
+    // my research this is safe to ignore for now.
+    INSERT_PADDING_BYTES(0xA0);
+};
+static_assert(sizeof(UserSelectionConfig) == 0xA0, "UserSelectionConfig has incorrect size.");
+
+struct UserSelectionOutput {
+    u64 result;
+    u128 uuid_selected;
+};
+static_assert(sizeof(UserSelectionOutput) == 0x18, "UserSelectionOutput has incorrect size.");
+
+class ProfileSelect final : public Applet {
+public:
+    ProfileSelect();
+    ~ProfileSelect() override;
+
+    void Initialize() override;
+
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void SelectionComplete(std::optional<Account::UUID> uuid);
+
+private:
+    UserSelectionConfig config;
+    bool complete = false;
+    ResultCode status = RESULT_SUCCESS;
+    std::vector<u8> final_data;
+};
+
+} // namespace Service::AM::Applets
-- 
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