--- /dev/null
+/*
+ * 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-6/compositor.h>
+#include <libweston-6/config-parser.h>
+
+#include "shared/os-compatibility.h"
+
+#include "agl-shell-server-protocol.h"
+
+void
+ivi_set_desktop_surface(struct ivi_surface *surface)
+{
+ assert(surface->role == IVI_SURFACE_ROLE_NONE);
+
+ surface->role = IVI_SURFACE_ROLE_DESKTOP;
+ wl_list_insert(&surface->ivi->surfaces, &surface->link);
+}
+
+/* TODO: Replace this with some callback or similar, to have
+ * adjustable window management policy.
+ */
+void
+ivi_reflow_outputs(struct ivi_compositor *ivi)
+{
+ struct ivi_surface *surface;
+ struct ivi_output *output;
+ int i = 0;
+
+ if (wl_list_empty(&ivi->outputs))
+ return;
+
+ output = wl_container_of(ivi->outputs.next, output, link);
+
+ wl_list_for_each(surface, &ivi->surfaces, link) {
+ struct weston_desktop_surface *dsurface = surface->dsurface;
+
+ int32_t w = output->area.width / 4;
+ int32_t h = output->area.height / 2;
+ int32_t x = output->output->x + output->area.x + w * (i % 4);
+ int32_t y = output->output->y + output->area.y + h * (i / 4);
+
+ if (surface->old_geom.width == -1) {
+ weston_desktop_surface_set_size(dsurface, w, h);
+ continue;
+ } else {
+ ivi_layout_set_mapped(surface);
+ ivi_layout_set_position(surface, x, y, w, h);
+ }
+
+ if (++i == 8) {
+ if (output->link.next == &ivi->outputs)
+ break;
+
+ output = wl_container_of(output->link.next,
+ output, link);
+ i = 0;
+ }
+ }
+
+ ivi_layout_commit(ivi);
+}
+
+void
+ivi_layout_set_mapped(struct ivi_surface *surface)
+{
+ surface->pending.flags |= IVI_SURFACE_PROP_MAP;
+}
+
+void
+ivi_layout_set_position(struct ivi_surface *surface,
+ int32_t x, int32_t y,
+ int32_t width, int32_t height)
+{
+ surface->pending.flags |= IVI_SURFACE_PROP_POSITION;
+ surface->pending.x = x;
+ surface->pending.y = y;
+ surface->pending.width = width;
+ surface->pending.height = height;
+}
+
+void
+ivi_layout_commit(struct ivi_compositor *ivi)
+{
+ struct ivi_surface *surface;
+
+ wl_list_for_each(surface, &ivi->surfaces, link) {
+ struct weston_desktop_surface *dsurface = surface->dsurface;
+ struct weston_surface *wsurface =
+ weston_desktop_surface_get_surface(dsurface);
+ struct weston_geometry geom;
+ struct weston_view *view;
+
+ /*
+ * TODO: Hoist view into ivi_struct. It doesn't need ot be part
+ * of the tagged union.
+ */
+ switch (surface->role) {
+ case IVI_SURFACE_ROLE_DESKTOP:
+ view = surface->desktop.view;
+ break;
+ case IVI_SURFACE_ROLE_BACKGROUND:
+ view = surface->bg.view;
+ break;
+ case IVI_SURFACE_ROLE_PANEL:
+ view = surface->panel.view;
+ break;
+ default:
+ continue;
+ }
+
+ if (surface->pending.flags & IVI_SURFACE_PROP_MAP) {
+ view = weston_desktop_surface_create_view(dsurface);
+ wsurface->is_mapped = true;
+
+ surface->desktop.view = view;
+ weston_layer_entry_insert(&ivi->normal.view_list,
+ &view->layer_link);
+ weston_view_update_transform(view);
+ weston_view_set_mask_infinite(view);
+ weston_view_schedule_repaint(view);
+ }
+
+ geom = weston_desktop_surface_get_geometry(dsurface);
+
+ if (surface->pending.flags & IVI_SURFACE_PROP_POSITION) {
+ weston_desktop_surface_set_size(dsurface,
+ surface->pending.width,
+ surface->pending.height);
+ weston_view_set_position(view,
+ surface->pending.x - geom.x,
+ surface->pending.y - geom.y);
+ }
+
+ surface->pending.flags = 0;
+ }
+}
+
+int
+ivi_shell_init(struct ivi_compositor *ivi)
+{
+ 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->fullscreen, ivi->compositor);
+
+ 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->fullscreen,
+ WESTON_LAYER_POSITION_FULLSCREEN);
+
+ return 0;
+}
+
+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
+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;
+ /* TODO: Create a black screen and remove it here */
+
+ wl_list_for_each(output, &ivi->outputs, link) {
+ struct weston_desktop_surface *dsurf;
+ struct weston_geometry geom;
+
+ output->area.x = 0;
+ output->area.y = 0;
+ output->area.width = output->output->width;
+ output->area.height = output->output->height;
+
+ if (output->top) {
+ dsurf = output->top->dsurface;
+ geom = weston_desktop_surface_get_geometry(dsurf);
+
+ output->area.y += geom.height;
+ output->area.height -= geom.height;
+ }
+ if (output->bottom) {
+ dsurf = output->bottom->dsurface;
+ geom = weston_desktop_surface_get_geometry(dsurf);
+
+ output->area.height -= geom.height;
+ }
+ if (output->left) {
+ dsurf = output->left->dsurface;
+ geom = weston_desktop_surface_get_geometry(dsurf);
+
+ output->area.x += geom.width;
+ output->area.width -= geom.width;
+ }
+ if (output->right) {
+ dsurf = output->right->dsurface;
+ geom = weston_desktop_surface_get_geometry(dsurf);
+
+ output->area.width -= geom.width;
+ }
+
+ weston_log("Usable area: %dx%d+%d,%d\n",
+ output->area.width, output->area.height,
+ output->area.x, output->area.y);
+ }
+
+ wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
+ wl_list_remove(&surface->link);
+ ivi_set_desktop_surface(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 const struct agl_shell_interface agl_shell_implementation = {
+ .ready = shell_ready,
+ .set_background = shell_set_background,
+ .set_panel = shell_set_panel,
+};
+
+static void
+unbind_agl_shell(struct wl_resource *resource)
+{
+}
+
+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;
+}
+
+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;
+ }
+
+ return 0;
+}
Code Review / src / agl-compositor.git / blobdiff