MassBuilderSaveTool/src/ToastQueue/ToastQueue.h

#pragma once

// MassBuilderSaveTool
// Copyright (C) 2021-2022 Guillaume Jacquemin
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include <chrono>
#include <vector>

#include <Corrade/Containers/String.h>

#include <Magnum/Magnum.h>
#include <Magnum/Animation/Track.h>

using namespace Corrade;
using namespace Magnum;

class Toast {
    public:
        enum class Type : UnsignedByte {
            Default, Success, Info, Warning, Error
        };

        enum class Phase : UnsignedByte {
            FadeIn, Wait, FadeOut, TimedOut
        };

        explicit Toast(Type type, Containers::StringView message,
                       std::chrono::milliseconds timeout = std::chrono::milliseconds{3000});

        Toast(const Toast& other) = delete;
        Toast& operator=(const Toast& other) = delete;

        Toast(Toast&& other) = default;
        Toast& operator=(Toast&& other) = default;

        auto type() -> Type;

        auto message() -> Containers::StringView;

        auto timeout() -> std::chrono::milliseconds;

        auto creationTime() -> std::chrono::steady_clock::time_point;

        auto elapsedTime() -> std::chrono::milliseconds;

        auto phase() -> Phase;

        auto opacity() -> Float;

    private:
        Type _type{Type::Default};
        Containers::StringView _message;
        std::chrono::milliseconds _timeout;
        std::chrono::steady_clock::time_point _creationTime;
        Animation::Track<UnsignedInt, Phase> _phaseTrack;
};

class ToastQueue {
    public:
        void addToast(Toast&& toast);

        void addToast(Toast::Type type, Containers::StringView message,
                      std::chrono::milliseconds timeout = std::chrono::milliseconds{3000});

        void draw(Vector2i viewport_size);

    private:
        void removeToast(Long index);

        std::vector<Toast> _toasts;
};