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/*
* Copyright 2016 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, 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 <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#include <src/usb-monitor.h>
#include <glib.h>
#include <gudev/gudev.h>
class GUDevUsbMonitor::Impl
{
public:
Impl()
{
const char* subsystems[] = {"android_usb", nullptr};
m_udev_client = g_udev_client_new(subsystems);
g_signal_connect(m_udev_client, "uevent", G_CALLBACK(on_android_usb_event), this);
}
~Impl()
{
g_signal_handlers_disconnect_by_data(m_udev_client, this);
g_clear_object(&m_udev_client);
}
core::Signal<const std::string&>& on_usb_disconnected()
{
return m_on_usb_disconnected;
}
private:
static void on_android_usb_event(GUdevClient*, gchar* action, GUdevDevice* device, gpointer gself)
{
if (!g_strcmp0(action, "change"))
if (!g_strcmp0(g_udev_device_get_property(device, "USB_STATE"), "DISCONNECTED"))
static_cast<Impl*>(gself)->m_on_usb_disconnected(g_udev_device_get_name(device));
}
core::Signal<const std::string&> m_on_usb_disconnected;
GUdevClient* m_udev_client = nullptr;
};
/***
****
***/
UsbMonitor::UsbMonitor() =default;
UsbMonitor::~UsbMonitor() =default;
GUDevUsbMonitor::GUDevUsbMonitor():
impl{new Impl{}}
{
}
GUDevUsbMonitor::~GUDevUsbMonitor() =default;
core::Signal<const std::string&>&
GUDevUsbMonitor::on_usb_disconnected()
{
return impl->on_usb_disconnected();
}
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