72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/**
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* @file rex/ui/overlay/install_wizard_overlay.h
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*
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* @brief Generic pre-runtime installer dialog.
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*/
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#pragma once
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#include <atomic>
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#include <filesystem>
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#include <functional>
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#include <string>
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#include <thread>
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#include <rex/ui/imgui_dialog.h>
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namespace rex::ui {
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class InstallWizardDialog final : public ImGuiDialog {
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public:
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using PickSourceCallback = std::function<std::filesystem::path()>;
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using InstallCallback = std::function<bool(const std::filesystem::path& source,
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std::atomic<uint64_t>& copied_bytes,
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std::atomic<uint64_t>& total_bytes,
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std::string& error)>;
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using CompleteCallback = std::function<void()>;
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InstallWizardDialog(ImGuiDrawer* drawer, std::string title, std::string section_label,
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std::string intro, std::string install_directory,
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PickSourceCallback pick_source, InstallCallback install,
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CompleteCallback complete);
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protected:
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void OnClose() override;
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void OnDraw(ImGuiIO& io) override;
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private:
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enum class State {
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kWaitingForSource,
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kInstalling,
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kInstalled,
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kFailed,
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};
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void PickSourceAndInstall();
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void StartInstall(std::filesystem::path source_path);
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void FinishInstallIfNeeded();
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std::string title_;
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std::string section_label_;
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std::string intro_;
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std::string install_directory_;
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PickSourceCallback pick_source_;
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InstallCallback install_;
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CompleteCallback complete_;
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std::thread install_thread_;
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std::atomic<bool> install_done_{false};
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std::atomic<bool> install_ok_{false};
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std::atomic<uint64_t> copied_bytes_{0};
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std::atomic<uint64_t> total_bytes_{0};
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State state_ = State::kWaitingForSource;
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std::filesystem::path source_path_;
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std::string status_;
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std::string error_;
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// Wizard-screen navigation state (see ui/overlay/wizard_screen.h).
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int focus_index_ = 0;
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float highlight_anim_y_ = -1.0f;
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// >= 0 while the completion handoff is pending: counts down the frames
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// drawn to acknowledge the activation before the (blocking) callback runs.
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int launch_frames_ = -1;
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};
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} // namespace rex::ui
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