portapack-mayhem/firmware/application/ui_external_items_menu_loader.hpp

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/*
* Copyright (C) 2023 Bernd Herzog
*
* This file is part of PortaPack.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __EXTERNAL_ITEMS_MENU_LOADER_H__
#define __EXTERNAL_ITEMS_MENU_LOADER_H__
#include "ui.hpp"
#include "ui_navigation.hpp"
#include "external_app.hpp"
#include "file.hpp"
namespace ui {
template <size_t Width, size_t Height>
class DynamicBitmap {
public:
static constexpr size_t buffer_size = Width * Height / (sizeof(uint8_t) * 8); // one bit per pixel
DynamicBitmap(const uint8_t data[buffer_size])
: _buffer(buffer_size, 0),
_bitmap{new Bitmap{{Width, Height}, &_buffer[0]}} {
memcpy(&_buffer[0], data, buffer_size);
}
const Bitmap* bitmap() { return _bitmap.get(); }
private:
// Allocating both members so the class is movable without invalidation.
std::vector<uint8_t> _buffer;
std::unique_ptr<Bitmap> _bitmap;
};
class ExternalItemsMenuLoader {
public:
static std::vector<GridItem> load_external_items(app_location_t, NavigationView&);
ExternalItemsMenuLoader() = delete;
private:
static std::vector<DynamicBitmap<16, 16>> bitmaps;
static void run_external_app(ui::NavigationView&, std::filesystem::path);
};
} // namespace ui
#endif /*__EXTERNAL_ITEMS_MENU_LOADER_H__*/