/* mbed Microcontroller Library
 * Copyright (c) 2017-2017 ARM Limited
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "ObservingBlockDevice.h"
#include "ReadOnlyBlockDevice.h"

namespace mbed {

ObservingBlockDevice::ObservingBlockDevice(BlockDevice *bd)
    : _bd(bd)
{
    // Does nothing
}

ObservingBlockDevice::~ObservingBlockDevice()
{
    // Does nothing
}

void ObservingBlockDevice::attach(mbed::Callback<void(BlockDevice *)> cb)
{
    _change = cb;
}

int ObservingBlockDevice::init()
{
    return _bd->init();
}

int ObservingBlockDevice::deinit()
{
    return _bd->deinit();
}

int ObservingBlockDevice::sync()
{
    return _bd->sync();
}

int ObservingBlockDevice::read(void *buffer, bd_addr_t addr, bd_size_t size)
{
    return _bd->read(buffer, addr, size);
}

int ObservingBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
{
    int res = _bd->program(buffer, addr, size);
    if (_change) {
        ReadOnlyBlockDevice dev(_bd);
        _change(&dev);
    }
    return res;
}

int ObservingBlockDevice::erase(bd_addr_t addr, bd_size_t size)
{
    int res = _bd->erase(addr, size);
    if (_change) {
        ReadOnlyBlockDevice dev(_bd);
        _change(&dev);
    }
    return res;
}

bd_size_t ObservingBlockDevice::get_read_size() const
{
    return _bd->get_read_size();
}

bd_size_t ObservingBlockDevice::get_program_size() const
{
    return _bd->get_program_size();
}

bd_size_t ObservingBlockDevice::get_erase_size() const
{
    return _bd->get_erase_size();
}

bd_size_t ObservingBlockDevice::get_erase_size(bd_addr_t addr) const
{
    return _bd->get_erase_size(addr);
}

int ObservingBlockDevice::get_erase_value() const
{
    return _bd->get_erase_value();
}

bd_size_t ObservingBlockDevice::size() const
{
    return _bd->size();
}

const char *ObservingBlockDevice::get_type() const
{
    if (_bd != NULL) {
        return _bd->get_type();
    }

    return NULL;
}

} // namespace mbed

