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/*
* Copyright © 2016 Quentin "Sardem FF7" Glidic
*
* 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 (including the next
* paragraph) 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 "config.h"
#include <wayland-server.h>
#include "compositor.h"
#include "zalloc.h"
#include "libweston-desktop.h"
#include "internal.h"
struct weston_desktop_client {
struct weston_desktop *desktop;
struct wl_client *client;
struct wl_resource *resource;
struct wl_list surface_list;
uint32_t ping_serial;
struct wl_event_source *ping_timer;
struct wl_signal destroy_signal;
};
void
weston_desktop_client_add_destroy_listener(struct weston_desktop_client *client,
struct wl_listener *listener)
{
wl_signal_add(&client->destroy_signal, listener);
}
static void
weston_desktop_client_destroy(struct wl_resource *resource)
{
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
struct wl_list *list = &client->surface_list;
struct wl_list *link, *tmp;
wl_signal_emit(&client->destroy_signal, client);
for (link = list->next, tmp = link->next;
link != list;
link = tmp, tmp = link->next) {
wl_list_remove(link);
wl_list_init(link);
}
if (client->ping_timer != NULL)
wl_event_source_remove(client->ping_timer);
free(client);
}
static int
weston_desktop_client_ping_timeout(void *user_data)
{
struct weston_desktop_client *client = user_data;
weston_desktop_api_ping_timeout(client->desktop, client);
return 1;
}
struct weston_desktop_client *
weston_desktop_client_create(struct weston_desktop *desktop,
struct wl_client *wl_client,
wl_dispatcher_func_t dispatcher,
const struct wl_interface *interface,
const void *implementation, uint32_t version,
uint32_t id)
{
struct weston_desktop_client *client;
struct wl_display *display;
struct wl_event_loop *loop;
client = zalloc(sizeof(struct weston_desktop_client));
if (client == NULL) {
if (wl_client != NULL)
wl_client_post_no_memory(wl_client);
return NULL;
}
client->desktop = desktop;
client->client = wl_client;
wl_list_init(&client->surface_list);
wl_signal_init(&client->destroy_signal);
if (wl_client == NULL)
return client;
client->resource = wl_resource_create(wl_client, interface, version, id);
if (client->resource == NULL) {
wl_client_post_no_memory(wl_client);
free(client);
return NULL;
}
if (dispatcher != NULL)
wl_resource_set_dispatcher(client->resource, dispatcher,
weston_desktop_client_destroy, client,
weston_desktop_client_destroy);
else
wl_resource_set_implementation(client->resource, implementation,
client,
weston_desktop_client_destroy);
display = wl_client_get_display(client->client);
loop = wl_display_get_event_loop(display);
client->ping_timer =
wl_event_loop_add_timer(loop,
weston_desktop_client_ping_timeout,
client);
if (client->ping_timer == NULL)
wl_client_post_no_memory(wl_client);
return client;
}
struct weston_desktop *
weston_desktop_client_get_desktop(struct weston_desktop_client *client)
{
return client->desktop;
}
struct wl_resource *
weston_desktop_client_get_resource(struct weston_desktop_client *client)
{
return client->resource;
}
struct wl_list *
weston_desktop_client_get_surface_list(struct weston_desktop_client *client)
{
return &client->surface_list;
}
WL_EXPORT struct wl_client *
weston_desktop_client_get_client(struct weston_desktop_client *client)
{
return client->client;
}
WL_EXPORT void
weston_desktop_client_for_each_surface(struct weston_desktop_client *client,
void (*callback)(struct weston_desktop_surface *surface, void *user_data),
void *user_data)
{
struct wl_list *list = &client->surface_list;
struct wl_list *link;
for (link = list->next; link != list; link = link->next)
callback(weston_desktop_surface_from_client_link(link),
user_data);
}
WL_EXPORT int
weston_desktop_client_ping(struct weston_desktop_client *client)
{
struct weston_desktop_surface *surface =
weston_desktop_surface_from_client_link(client->surface_list.next);
const struct weston_desktop_surface_implementation *implementation =
weston_desktop_surface_get_implementation(surface);
void *implementation_data =
weston_desktop_surface_get_implementation_data(surface);
if (implementation->ping == NULL)
return -1;
if (client->ping_serial != 0)
return 1;
client->ping_serial =
wl_display_next_serial(wl_client_get_display(client->client));
wl_event_source_timer_update(client->ping_timer, 10000);
implementation->ping(surface, client->ping_serial, implementation_data);
return 0;
}
void
weston_desktop_client_pong(struct weston_desktop_client *client, uint32_t serial)
{
if (client->ping_serial != serial)
return;
weston_desktop_api_pong(client->desktop, client);
wl_event_source_timer_update(client->ping_timer, 0);
client->ping_serial = 0;
}
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