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livetrax/libs/surfaces/push2/push2.cc

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/*
Copyright (C) 2016 Paul Davis
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 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/failed_constructor.h"
#include "push2.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
using namespace Glib;
using namespace ArdourSurface;
#include "i18n.h"
#include "pbd/abstract_ui.cc" // instantiate template
Push2::Push2 (Session& s)
: ControlProtocol (s, string (X_("Ableton Push2")))
, AbstractUI<Push2Request> (name())
, handle (0)
{
if ((handle = libusb_open_device_with_vid_pid (NULL, ABLETON, PUSH2)) == 0) {
throw failed_constructor ();
}
libusb_claim_interface (handle, 0x00);
}
Push2::~Push2 ()
{
if (handle) {
libusb_release_interface (handle, 0x00);
libusb_close (handle);
}
}
bool
Push2::probe ()
{
libusb_device_handle *h;
libusb_init (NULL);
if ((h = libusb_open_device_with_vid_pid (NULL, ABLETON, PUSH2)) == 0) {
return false;
}
libusb_close (h);
return true;
}
void*
Push2::request_factory (uint32_t num_requests)
{
/* AbstractUI<T>::request_buffer_factory() is a template method only
instantiated in this source module. To provide something visible for
use in the interface/descriptor, we have this static method that is
template-free.
*/
return request_buffer_factory (num_requests);
}
void
Push2::do_request (Push2Request * req)
{
// DEBUG_TRACE (DEBUG::MackieControl, string_compose ("doing request type %1\n", req->type));
if (req->type == CallSlot) {
call_slot (MISSING_INVALIDATOR, req->the_slot);
} else if (req->type == Quit) {
stop ();
}
}
int
Push2::stop ()
{
BaseUI::quit ();
return 0;
}