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/*
* Copyright © 2018 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 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#ifndef WLCS_DATA_DEVICE_H
#define WLCS_DATA_DEVICE_H
#include "active_listeners.h"
#include "wl_interface_descriptor.h"
#include "wl_handle.h"
#include <wayland-client.h>
#include <memory>
namespace wlcs
{
WLCS_CREATE_INTERFACE_DESCRIPTOR(wl_data_device_manager)
class DataSource
{
public:
DataSource() = default;
explicit DataSource(struct wl_data_source* ds) : self{ds, deleter} {}
operator struct wl_data_source*() const { return self.get(); }
void reset() { self.reset(); }
void reset(struct wl_data_source* ds) { self.reset(ds, deleter); }
friend void wl_data_source_destroy(DataSource const&) = delete;
private:
static void deleter(struct wl_data_source* ds) { wl_data_source_destroy(ds); }
std::shared_ptr<struct wl_data_source> self;
};
struct DataDeviceListener
{
DataDeviceListener(struct wl_data_device* data_device)
{
active_listeners.add(this);
wl_data_device_add_listener(data_device, &thunks, this);
}
virtual ~DataDeviceListener() { active_listeners.del(this); }
DataDeviceListener(DataDeviceListener const&) = delete;
DataDeviceListener& operator=(DataDeviceListener const&) = delete;
virtual void data_offer(
struct wl_data_device* wl_data_device,
struct wl_data_offer* id);
virtual void enter(
struct wl_data_device* wl_data_device,
uint32_t serial,
struct wl_surface* surface,
wl_fixed_t x,
wl_fixed_t y,
struct wl_data_offer* id);
virtual void leave(struct wl_data_device* wl_data_device);
virtual void motion(
struct wl_data_device* wl_data_device,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y);
virtual void drop(struct wl_data_device* wl_data_device);
virtual void selection(
struct wl_data_device* wl_data_device,
struct wl_data_offer* id);
private:
static void data_offer(
void* data,
struct wl_data_device* wl_data_device,
struct wl_data_offer* id);
static void enter(
void* data,
struct wl_data_device* wl_data_device,
uint32_t serial,
struct wl_surface* surface,
wl_fixed_t x,
wl_fixed_t y,
struct wl_data_offer* id);
static void leave(void* data, struct wl_data_device* wl_data_device);
static void motion(
void* data,
struct wl_data_device* wl_data_device,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y);
static void drop(void* data, struct wl_data_device* wl_data_device);
static void selection(
void* data,
struct wl_data_device* wl_data_device,
struct wl_data_offer* id);
static ActiveListeners active_listeners;
constexpr static wl_data_device_listener thunks =
{
&data_offer,
&enter,
&leave,
&motion,
&drop,
&selection
};
};
struct DataOfferListener
{
DataOfferListener() { active_listeners.add(this); }
virtual ~DataOfferListener() { active_listeners.del(this); }
DataOfferListener(DataOfferListener const&) = delete;
DataOfferListener& operator=(DataOfferListener const&) = delete;
void listen_to(struct wl_data_offer* data_offer)
{
wl_data_offer_add_listener(data_offer, &thunks, this);
}
virtual void offer(struct wl_data_offer* data_offer, char const* mime_type);
virtual void source_actions(struct wl_data_offer* data_offer, uint32_t dnd_actions);
virtual void action(struct wl_data_offer* data_offer, uint32_t dnd_action);
private:
static void offer(void* data, struct wl_data_offer* data_offer, char const* mime_type);
static void source_actions(void* data, struct wl_data_offer* data_offer, uint32_t dnd_actions);
static void action(void* data, struct wl_data_offer* data_offer, uint32_t dnd_action);
static ActiveListeners active_listeners;
constexpr static wl_data_offer_listener thunks =
{
&offer,
&source_actions,
&action
};
};
class DataDevice
{
public:
DataDevice() = default;
explicit DataDevice(struct wl_data_device* dd) : self{dd, deleter} {}
operator struct wl_data_device*() const { return self.get(); }
void reset() { self.reset(); }
void reset(struct wl_data_device* dd) { self.reset(dd, deleter); }
friend void wl_data_device_destroy(DataDevice const&) = delete;
private:
static void deleter(struct wl_data_device* dd) { wl_data_device_destroy(dd); }
std::shared_ptr<struct wl_data_device> self;
};
}
#endif //WLCS_DATA_DEVICE_H
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