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|
/*
* Copyright © 2019 Collabora, Ltd.
*
* 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 "ivi-compositor.h"
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <libweston/libweston.h>
#include <libweston/config-parser.h>
#include "shared/os-compatibility.h"
#include "agl-shell-server-protocol.h"
#include "agl-shell-desktop-server-protocol.h"
static void
create_black_surface_view(struct ivi_output *output);
static void
insert_black_surface(struct ivi_output *output);
void
ivi_set_desktop_surface(struct ivi_surface *surface)
{
struct desktop_client *dclient;
struct ivi_compositor *ivi = surface->ivi;
assert(surface->role == IVI_SURFACE_ROLE_NONE);
surface->role = IVI_SURFACE_ROLE_DESKTOP;
wl_list_insert(&surface->ivi->surfaces, &surface->link);
/* advertise to all desktop clients the new surface */
wl_list_for_each(dclient, &ivi->desktop_clients, link) {
const char *app_id =
weston_desktop_surface_get_app_id(surface->dsurface);
agl_shell_desktop_send_application(dclient->resource, app_id);
}
}
void
ivi_set_desktop_surface_popup(struct ivi_surface *surface)
{
struct ivi_compositor *ivi = surface->ivi;
assert(surface->role == IVI_SURFACE_ROLE_NONE);
surface->role = IVI_SURFACE_ROLE_POPUP;
wl_list_insert(&ivi->surfaces, &surface->link);
}
static void
ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput,
int x, int y, const char *app_id)
{
struct ivi_compositor *ivi = ioutput->ivi;
size_t len_app_id = strlen(app_id);
struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
memcpy(p_popup->app_id, app_id, len_app_id);
p_popup->ioutput = ioutput;
p_popup->x = x;
p_popup->y = y;
wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
}
static void
ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
{
free(p_popup->app_id);
wl_list_remove(&p_popup->link);
free(p_popup);
}
bool
ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
{
struct ivi_compositor *ivi = surface->ivi;
struct pending_popup *p_popup, *next_p_popup;
const char *_app_id =
weston_desktop_surface_get_app_id(surface->dsurface);
wl_list_for_each_safe(p_popup, next_p_popup,
&ivi->popup_pending_apps, link) {
if (!strcmp(_app_id, p_popup->app_id)) {
surface->popup.output = p_popup->ioutput;
surface->popup.x = p_popup->x;
surface->popup.y = p_popup->y;
ivi_remove_pending_desktop_surface_popup(p_popup);
return true;
}
}
return false;
}
void
ivi_shell_init_black_fs(struct ivi_compositor *ivi)
{
struct ivi_output *out;
wl_list_for_each(out, &ivi->outputs, link) {
create_black_surface_view(out);
insert_black_surface(out);
}
}
int
ivi_shell_init(struct ivi_compositor *ivi)
{
weston_layer_init(&ivi->hidden, ivi->compositor);
weston_layer_init(&ivi->background, ivi->compositor);
weston_layer_init(&ivi->normal, ivi->compositor);
weston_layer_init(&ivi->panel, ivi->compositor);
weston_layer_init(&ivi->popup, ivi->compositor);
weston_layer_init(&ivi->fullscreen, ivi->compositor);
weston_layer_set_position(&ivi->hidden,
WESTON_LAYER_POSITION_HIDDEN);
weston_layer_set_position(&ivi->background,
WESTON_LAYER_POSITION_BACKGROUND);
weston_layer_set_position(&ivi->normal,
WESTON_LAYER_POSITION_NORMAL);
weston_layer_set_position(&ivi->panel,
WESTON_LAYER_POSITION_UI);
weston_layer_set_position(&ivi->popup,
WESTON_LAYER_POSITION_TOP_UI);
weston_layer_set_position(&ivi->fullscreen,
WESTON_LAYER_POSITION_FULLSCREEN);
return 0;
}
static void
ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
{
struct ivi_surface *surface;
wl_list_for_each(surface, &ivi->surfaces, link) {
const char *app_id =
weston_desktop_surface_get_app_id(surface->dsurface);
agl_shell_desktop_send_application(resource, app_id);
}
}
static void
client_exec(const char *command, int fd)
{
sigset_t sig;
char s[32];
/* Don't give the child our signal mask */
sigfillset(&sig);
sigprocmask(SIG_UNBLOCK, &sig, NULL);
/* Launch clients as the user; don't give them the wrong euid */
if (seteuid(getuid()) == -1) {
weston_log("seteuid failed: %s\n", strerror(errno));
return;
}
/* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
* clobbering fd, as we'll exit/exec either way.
*/
fd = dup(fd);
if (fd == -1) {
weston_log("dup failed: %s\n", strerror(errno));
return;
}
snprintf(s, sizeof s, "%d", fd);
setenv("WAYLAND_SOCKET", s, 1);
execl("/bin/sh", "/bin/sh", "-c", command, NULL);
weston_log("executing '%s' failed: %s", command, strerror(errno));
}
static struct wl_client *
launch_shell_client(struct ivi_compositor *ivi, const char *command)
{
struct wl_client *client;
int sock[2];
pid_t pid;
weston_log("launching' %s'\n", command);
if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
weston_log("socketpair failed while launching '%s': %s\n",
command, strerror(errno));
return NULL;
}
pid = fork();
if (pid == -1) {
close(sock[0]);
close(sock[1]);
weston_log("fork failed while launching '%s': %s\n",
command, strerror(errno));
return NULL;
}
if (pid == 0) {
client_exec(command, sock[1]);
_Exit(EXIT_FAILURE);
}
close(sock[1]);
client = wl_client_create(ivi->compositor->wl_display, sock[0]);
if (!client) {
close(sock[0]);
weston_log("Failed to create wayland client for '%s'",
command);
return NULL;
}
return client;
}
int
ivi_launch_shell_client(struct ivi_compositor *ivi)
{
struct weston_config_section *section;
char *command = NULL;
section = weston_config_get_section(ivi->config, "shell-client",
NULL, NULL);
if (section)
weston_config_section_get_string(section, "command",
&command, NULL);
if (!command)
return -1;
ivi->shell_client.client = launch_shell_client(ivi, command);
if (!ivi->shell_client.client)
return -1;
return 0;
}
static void
destroy_black_view(struct wl_listener *listener, void *data)
{
struct fullscreen_view *fs =
wl_container_of(listener, fs, fs_destroy);
if (fs && fs->fs) {
if (fs->fs->view && fs->fs->view->surface) {
weston_surface_destroy(fs->fs->view->surface);
fs->fs->view = NULL;
}
free(fs->fs);
wl_list_remove(&fs->fs_destroy.link);
}
}
static void
create_black_surface_view(struct ivi_output *output)
{
struct weston_surface *surface = NULL;
struct weston_view *view;
struct ivi_compositor *ivi = output->ivi;
struct weston_compositor *wc= ivi->compositor;
struct weston_output *woutput = output->output;
surface = weston_surface_create(wc);
view = weston_view_create(surface);
assert(view || surface);
weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
weston_surface_set_size(surface, woutput->width, woutput->height);
weston_view_set_position(view, woutput->x, woutput->y);
output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
output->fullscreen_view.fs->view = view;
output->fullscreen_view.fs_destroy.notify = destroy_black_view;
wl_signal_add(&woutput->destroy_signal,
&output->fullscreen_view.fs_destroy);
}
static void
remove_black_surface(struct ivi_output *output)
{
struct weston_view *view = output->fullscreen_view.fs->view;
assert(view->is_mapped == true ||
view->surface->is_mapped == true);
view->is_mapped = false;
view->surface->is_mapped = false;
weston_layer_entry_remove(&view->layer_link);
weston_view_update_transform(view);
weston_output_damage(output->output);
}
static void
insert_black_surface(struct ivi_output *output)
{
struct weston_view *view = output->fullscreen_view.fs->view;
if (view->is_mapped || view->surface->is_mapped)
return;
weston_layer_entry_remove(&view->layer_link);
weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
&view->layer_link);
view->is_mapped = true;
view->surface->is_mapped = true;
weston_view_update_transform(view);
weston_output_damage(output->output);
}
static void
shell_ready(struct wl_client *client, struct wl_resource *shell_res)
{
struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
struct ivi_output *output;
struct ivi_surface *surface, *tmp;
/* Init already finished. Do nothing */
if (ivi->shell_client.ready)
return;
ivi->shell_client.ready = true;
wl_list_for_each(output, &ivi->outputs, link) {
remove_black_surface(output);
ivi_layout_init(ivi, output);
}
wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
wl_list_remove(&surface->link);
if (ivi_check_pending_desktop_surface_popup(surface)) {
ivi_set_desktop_surface_popup(surface);
} else {
ivi_set_desktop_surface(surface);
ivi_layout_desktop_committed(surface);
}
}
}
static void
shell_set_background(struct wl_client *client,
struct wl_resource *shell_res,
struct wl_resource *surface_res,
struct wl_resource *output_res)
{
struct weston_head *head = weston_head_from_resource(output_res);
struct weston_output *woutput = weston_head_get_output(head);
struct ivi_output *output = to_ivi_output(woutput);
struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
struct weston_desktop_surface *dsurface;
struct ivi_surface *surface;
dsurface = weston_surface_get_desktop_surface(wsurface);
if (!dsurface) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_INVALID_ARGUMENT,
"surface must be a desktop surface");
return;
}
surface = weston_desktop_surface_get_user_data(dsurface);
if (surface->role != IVI_SURFACE_ROLE_NONE) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_INVALID_ARGUMENT,
"surface already has another ivi role");
return;
}
if (output->background) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_BACKGROUND_EXISTS,
"output already has background");
return;
}
surface->role = IVI_SURFACE_ROLE_BACKGROUND;
surface->bg.output = output;
wl_list_remove(&surface->link);
wl_list_init(&surface->link);
output->background = surface;
weston_desktop_surface_set_maximized(dsurface, true);
weston_desktop_surface_set_size(dsurface,
output->output->width,
output->output->height);
}
static void
shell_set_panel(struct wl_client *client,
struct wl_resource *shell_res,
struct wl_resource *surface_res,
struct wl_resource *output_res,
uint32_t edge)
{
struct weston_head *head = weston_head_from_resource(output_res);
struct weston_output *woutput = weston_head_get_output(head);
struct ivi_output *output = to_ivi_output(woutput);
struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
struct weston_desktop_surface *dsurface;
struct ivi_surface *surface;
struct ivi_surface **member;
int32_t width = 0, height = 0;
dsurface = weston_surface_get_desktop_surface(wsurface);
if (!dsurface) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_INVALID_ARGUMENT,
"surface must be a desktop surface");
return;
}
surface = weston_desktop_surface_get_user_data(dsurface);
if (surface->role != IVI_SURFACE_ROLE_NONE) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_INVALID_ARGUMENT,
"surface already has another ivi role");
return;
}
switch (edge) {
case AGL_SHELL_EDGE_TOP:
member = &output->top;
break;
case AGL_SHELL_EDGE_BOTTOM:
member = &output->bottom;
break;
case AGL_SHELL_EDGE_LEFT:
member = &output->left;
break;
case AGL_SHELL_EDGE_RIGHT:
member = &output->right;
break;
default:
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_INVALID_ARGUMENT,
"invalid edge for panel");
return;
}
if (*member) {
wl_resource_post_error(shell_res,
AGL_SHELL_ERROR_BACKGROUND_EXISTS,
"output already has panel on this edge");
return;
}
surface->role = IVI_SURFACE_ROLE_PANEL;
surface->panel.output = output;
surface->panel.edge = edge;
wl_list_remove(&surface->link);
wl_list_init(&surface->link);
*member = surface;
switch (surface->panel.edge) {
case AGL_SHELL_EDGE_TOP:
case AGL_SHELL_EDGE_BOTTOM:
width = woutput->width;
break;
case AGL_SHELL_EDGE_LEFT:
case AGL_SHELL_EDGE_RIGHT:
height = woutput->height;
break;
}
weston_desktop_surface_set_size(dsurface, width, height);
}
static void
shell_activate_app(struct wl_client *client,
struct wl_resource *shell_res,
const char *app_id,
struct wl_resource *output_res)
{
struct weston_head *head = weston_head_from_resource(output_res);
struct weston_output *woutput = weston_head_get_output(head);
struct ivi_output *output = to_ivi_output(woutput);
ivi_layout_activate(output, app_id);
}
static void
shell_deactivate_app(struct wl_client *client,
struct wl_resource *shell_res,
const char *app_id)
{
struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
ivi_layout_deactivate(dclient->ivi, app_id);
}
static const struct agl_shell_interface agl_shell_implementation = {
.ready = shell_ready,
.set_background = shell_set_background,
.set_panel = shell_set_panel,
.activate_app = shell_activate_app,
};
static void
shell_desktop_set_app_property(struct wl_client *client,
struct wl_resource *shell_res,
const char *app_id, uint32_t role,
int x, int y, struct wl_resource *output_res)
{
struct weston_head *head = weston_head_from_resource(output_res);
struct weston_output *woutput = weston_head_get_output(head);
struct ivi_output *output = to_ivi_output(woutput);
/* temporary store the app_id such that, when created to be check against */
if (role == AGL_SHELL_DESKTOP_APP_ROLE_POPUP)
ivi_set_pending_desktop_surface_popup(output, x, y, app_id);
}
static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
.activate_app = shell_activate_app,
.set_app_property = shell_desktop_set_app_property,
.deactivate_app = shell_deactivate_app,
};
static void
unbind_agl_shell(struct wl_resource *resource)
{
struct ivi_compositor *ivi;
struct ivi_output *output;
struct ivi_surface *surf, *surf_tmp;
ivi = wl_resource_get_user_data(resource);
wl_list_for_each(output, &ivi->outputs, link) {
free(output->background);
output->background = NULL;
free(output->top);
output->top = NULL;
free(output->bottom);
output->bottom = NULL;
free(output->left);
output->left = NULL;
free(output->right);
output->right = NULL;
/* reset the active surf if there's one present */
if (output->active) {
output->active->view->is_mapped = false;
output->active->view->surface->is_mapped = false;
weston_layer_entry_remove(&output->active->view->layer_link);
output->active = NULL;
}
insert_black_surface(output);
}
wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
wl_list_remove(&surf->link);
wl_list_init(&surf->link);
}
wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
wl_list_remove(&surf->link);
wl_list_init(&surf->link);
}
wl_list_init(&ivi->surfaces);
wl_list_init(&ivi->pending_surfaces);
ivi->shell_client.ready = false;
ivi->shell_client.resource = NULL;
ivi->shell_client.client = NULL;
}
static void
bind_agl_shell(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
struct ivi_compositor *ivi = data;
struct wl_resource *resource;
resource = wl_resource_create(client, &agl_shell_interface,
1, id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
#if 0
if (ivi->shell_client.client != client) {
wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
"client not authorized to use agl_shell");
return;
}
#endif
if (ivi->shell_client.resource) {
wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
"agl_shell has already been bound");
return;
}
wl_resource_set_implementation(resource, &agl_shell_implementation,
ivi, unbind_agl_shell);
ivi->shell_client.resource = resource;
}
static void
unbind_agl_shell_desktop(struct wl_resource *resource)
{
struct desktop_client *dclient = wl_resource_get_user_data(resource);
wl_list_remove(&dclient->link);
free(dclient);
}
static void
bind_agl_shell_desktop(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
struct ivi_compositor *ivi = data;
struct wl_resource *resource;
struct desktop_client *dclient = zalloc(sizeof(*dclient));
if (!dclient) {
wl_client_post_no_memory(client);
return;
}
resource = wl_resource_create(client, &agl_shell_desktop_interface,
version, id);
dclient->ivi = ivi;
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
dclient, unbind_agl_shell_desktop);
dclient->resource = resource;
wl_list_insert(&ivi->desktop_clients, &dclient->link);
/* advertise xdg surfaces */
ivi_shell_advertise_xdg_surfaces(ivi, resource);
}
int
ivi_shell_create_global(struct ivi_compositor *ivi)
{
ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
&agl_shell_interface, 1,
ivi, bind_agl_shell);
if (!ivi->agl_shell) {
weston_log("Failed to create wayland global.\n");
return -1;
}
ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
&agl_shell_desktop_interface, 1,
ivi, bind_agl_shell_desktop);
if (!ivi->agl_shell_desktop) {
weston_log("Failed to create wayland global (agl_shell_desktop).\n");
return -1;
}
return 0;
}
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