/*
 * Copyright (C) 2023 Igalia S.L.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <optional>
#include <wtf/FastMalloc.h>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
#include <wtf/text/CString.h>

namespace WPE {

class CursorTheme;

namespace DRM {

class CursorTheme {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static std::unique_ptr<CursorTheme> create(const char* path, uint32_t size);
    static std::unique_ptr<CursorTheme> create();

    CursorTheme(std::unique_ptr<WPE::CursorTheme>&&);
    ~CursorTheme();

    struct Image {
        uint32_t width { 0 };
        uint32_t height { 0 };
        uint32_t hotspotX { 0 };
        uint32_t hotspotY { 0 };
        Vector<uint32_t> pixels;
    };
    const Vector<Image>& cursor(const char*, double, std::optional<uint32_t> maxImages = std::nullopt);

private:
    void loadCursor(const char*, double, std::optional<uint32_t> maxImages, Vector<CursorTheme::Image>&);

    std::unique_ptr<WPE::CursorTheme> m_theme;
    HashMap<std::pair<CString, uint32_t>, Vector<Image>> m_cursors;
};

} // namespace DRM

} // namespace WPE
