src/shell.c

   1 /*
   2  * Copyright © 2019 Collabora, Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial
  14  * portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include "ivi-compositor.h"
  27 #include "policy.h"
  28
  29 #include <assert.h>
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <signal.h>
  33 #include <string.h>
  34 #include <sys/socket.h>
  35 #include <sys/types.h>
  36 #include <unistd.h>
  37 #include <libweston/libweston.h>
  38 #include <libweston/config-parser.h>
  39
  40 #include "shared/os-compatibility.h"
  41
  42 #include "agl-shell-server-protocol.h"
  43 #include "agl-shell-desktop-server-protocol.h"
  44
  45 static void
  46 create_black_surface_view(struct ivi_output *output);
  47
  48 static void
  49 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
  50                                            struct ivi_surface *surface)
  51 {
  52         struct desktop_client *dclient;
  53
  54         /* advertise to all desktop clients the new surface */
  55         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  56                 const char *app_id =
  57                         weston_desktop_surface_get_app_id(surface->dsurface);
  58                 agl_shell_desktop_send_application(dclient->resource, app_id);
  59         }
  60 }
  61
  62 void
  63 ivi_set_desktop_surface(struct ivi_surface *surface)
  64 {
  65         struct ivi_compositor *ivi = surface->ivi;
  66         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  67
  68         surface->role = IVI_SURFACE_ROLE_DESKTOP;
  69         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  70
  71         agl_shell_desktop_advertise_application_id(ivi, surface);
  72 }
  73
  74 static void
  75 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
  76 {
  77         struct ivi_compositor *ivi = surface->ivi;
  78         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  79
  80         surface->role = IVI_SURFACE_ROLE_POPUP;
  81         wl_list_insert(&ivi->surfaces, &surface->link);
  82
  83         agl_shell_desktop_advertise_application_id(ivi, surface);
  84 }
  85
  86 static void
  87 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
  88 {
  89         struct ivi_compositor *ivi = surface->ivi;
  90         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  91
  92         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
  93         wl_list_insert(&ivi->surfaces, &surface->link);
  94
  95         agl_shell_desktop_advertise_application_id(ivi, surface);
  96 }
  97
  98 static void
  99 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 100 {
 101         struct ivi_compositor *ivi = surface->ivi;
 102         struct weston_view *view;
 103         struct ivi_output *output = surface->remote.output;
 104
 105         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 106
 107         /* remote type are the same as desktop just that client can tell
 108          * the compositor to start on another output */
 109         surface->role = IVI_SURFACE_ROLE_REMOTE;
 110
 111         /* if thew black surface view is mapped on the mean we need
 112          * to remove it in order to start showing the 'remote' surface
 113          * just being added */
 114         view = output->fullscreen_view.fs->view;
 115         if (view->is_mapped || view->surface->is_mapped)
 116                 remove_black_surface(output);
 117
 118         wl_list_insert(&ivi->surfaces, &surface->link);
 119 }
 120
 121
 122 static void
 123 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 124 {
 125         struct ivi_compositor *ivi = surface->ivi;
 126         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 127
 128         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 129                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 130         else
 131                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 132
 133         wl_list_insert(&ivi->surfaces, &surface->link);
 134
 135         agl_shell_desktop_advertise_application_id(ivi, surface);
 136 }
 137
 138 static void
 139 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput,
 140                                       int x, int y, int bx, int by, int width, int height,
 141                                       const char *app_id)
 142 {
 143         struct ivi_compositor *ivi = ioutput->ivi;
 144         size_t len_app_id = strlen(app_id);
 145
 146         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
 147
 148         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 149         memcpy(p_popup->app_id, app_id, len_app_id);
 150         p_popup->ioutput = ioutput;
 151         p_popup->x = x;
 152         p_popup->y = y;
 153
 154         p_popup->bb.x = bx;
 155         p_popup->bb.y = by;
 156         p_popup->bb.width = width;
 157         p_popup->bb.height = height;
 158
 159         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 160 }
 161
 162 static void
 163 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 164                                            const char *app_id)
 165 {
 166         struct ivi_compositor *ivi = ioutput->ivi;
 167         size_t len_app_id = strlen(app_id);
 168
 169         struct pending_fullscreen *fs = zalloc(sizeof(*fs));
 170
 171         fs->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 172         memcpy(fs->app_id, app_id, len_app_id);
 173
 174         fs->ioutput = ioutput;
 175
 176         wl_list_insert(&ivi->fullscreen_pending_apps, &fs->link);
 177 }
 178
 179 static void
 180 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 181                                       const char *app_id, uint32_t orientation)
 182 {
 183         struct ivi_compositor *ivi = ioutput->ivi;
 184         struct ivi_surface *surf;
 185         size_t len_app_id = strlen(app_id);
 186         struct pending_split *split;
 187
 188         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 189             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 190                 return;
 191
 192         /* more than one is un-supported, do note we need to do
 193          * conversion for surface roles instead of using the protocol ones */
 194         wl_list_for_each(surf, &ivi->surfaces, link)
 195                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 196                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 197                         return;
 198
 199         split = zalloc(sizeof(*split));
 200         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 201         memcpy(split->app_id, app_id, len_app_id);
 202
 203         split->ioutput = ioutput;
 204         split->orientation = orientation;
 205
 206         wl_list_insert(&ivi->split_pending_apps, &split->link);
 207 }
 208
 209 void
 210 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 211                 const char *app_id)
 212 {
 213         struct ivi_compositor *ivi = ioutput->ivi;
 214         size_t len_app_id = strlen(app_id);
 215
 216         struct pending_remote *remote = zalloc(sizeof(*remote));
 217
 218         remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 219         memcpy(remote->app_id, app_id, len_app_id);
 220
 221         remote->ioutput = ioutput;
 222
 223         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
 224 }
 225
 226
 227 static void
 228 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 229 {
 230         free(split->app_id);
 231         wl_list_remove(&split->link);
 232         free(split);
 233 }
 234
 235 static void
 236 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 237 {
 238         free(fs->app_id);
 239         wl_list_remove(&fs->link);
 240         free(fs);
 241 }
 242
 243 static void
 244 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 245 {
 246         free(p_popup->app_id);
 247         wl_list_remove(&p_popup->link);
 248         free(p_popup);
 249 }
 250
 251 static void
 252 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 253 {
 254         free(remote->app_id);
 255         wl_list_remove(&remote->link);
 256         free(remote);
 257 }
 258
 259 static bool
 260 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 261 {
 262         struct ivi_compositor *ivi = surface->ivi;
 263         struct pending_popup *p_popup, *next_p_popup;
 264         const char *_app_id =
 265                         weston_desktop_surface_get_app_id(surface->dsurface);
 266
 267         if (wl_list_empty(&ivi->popup_pending_apps))
 268                 return false;
 269
 270         wl_list_for_each_safe(p_popup, next_p_popup,
 271                               &ivi->popup_pending_apps, link) {
 272                 if (!strcmp(_app_id, p_popup->app_id)) {
 273                         surface->popup.output = p_popup->ioutput;
 274                         surface->popup.x = p_popup->x;
 275                         surface->popup.y = p_popup->y;
 276
 277                         surface->popup.bb.x = p_popup->bb.x;
 278                         surface->popup.bb.y = p_popup->bb.y;
 279                         surface->popup.bb.width = p_popup->bb.width;
 280                         surface->popup.bb.height = p_popup->bb.height;
 281
 282                         ivi_remove_pending_desktop_surface_popup(p_popup);
 283                         return true;
 284                 }
 285         }
 286
 287         return false;
 288 }
 289
 290 static bool
 291 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 292 {
 293         struct pending_split *split_surf, *next_split_surf;
 294         struct ivi_compositor *ivi = surface->ivi;
 295         const char *_app_id =
 296                         weston_desktop_surface_get_app_id(surface->dsurface);
 297
 298         if (wl_list_empty(&ivi->split_pending_apps))
 299                 return false;
 300
 301         wl_list_for_each_safe(split_surf, next_split_surf,
 302                               &ivi->split_pending_apps, link) {
 303                 if (!strcmp(_app_id, split_surf->app_id)) {
 304                         surface->split.output = split_surf->ioutput;
 305                         surface->split.orientation = split_surf->orientation;
 306                         ivi_remove_pending_desktop_surface_split(split_surf);
 307                         return true;
 308                 }
 309         }
 310
 311         return false;
 312 }
 313
 314 static bool
 315 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 316 {
 317         struct pending_fullscreen *fs_surf, *next_fs_surf;
 318         struct ivi_compositor *ivi = surface->ivi;
 319         const char *_app_id =
 320                         weston_desktop_surface_get_app_id(surface->dsurface);
 321
 322         if (wl_list_empty(&ivi->fullscreen_pending_apps))
 323                 return false;
 324
 325         wl_list_for_each_safe(fs_surf, next_fs_surf,
 326                               &ivi->fullscreen_pending_apps, link) {
 327                 if (!strcmp(_app_id, fs_surf->app_id)) {
 328                         surface->fullscreen.output = fs_surf->ioutput;
 329                         ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 330                         return true;
 331                 }
 332         }
 333
 334         return false;
 335 }
 336
 337 static bool
 338 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 339 {
 340         struct pending_remote *remote_surf, *next_remote_surf;
 341         struct ivi_compositor *ivi = surface->ivi;
 342         const char *_app_id =
 343                 weston_desktop_surface_get_app_id(surface->dsurface);
 344
 345         if (wl_list_empty(&ivi->remote_pending_apps))
 346                 return false;
 347
 348         wl_list_for_each_safe(remote_surf, next_remote_surf,
 349                               &ivi->remote_pending_apps, link) {
 350                 if (!strcmp(_app_id, remote_surf->app_id)) {
 351                         surface->remote.output = remote_surf->ioutput;
 352                         ivi_remove_pending_desktop_surface_remote(remote_surf);
 353                         return true;
 354                 }
 355         }
 356
 357         return false;
 358 }
 359
 360
 361 void
 362 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 363 {
 364         bool ret = false;
 365
 366         ret = ivi_check_pending_desktop_surface_popup(surface);
 367         if (ret) {
 368                 ivi_set_desktop_surface_popup(surface);
 369                 return;
 370         }
 371
 372         ret = ivi_check_pending_desktop_surface_split(surface);
 373         if (ret) {
 374                 ivi_set_desktop_surface_split(surface);
 375                 return;
 376         }
 377
 378         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 379         if (ret) {
 380                 ivi_set_desktop_surface_fullscreen(surface);
 381                 return;
 382         }
 383
 384         ret = ivi_check_pending_desktop_surface_remote(surface);
 385         if (ret) {
 386                 ivi_set_desktop_surface_remote(surface);
 387                 return;
 388         }
 389
 390         /* if we end up here means we have a regular desktop app and
 391          * try to activate it */
 392         ivi_set_desktop_surface(surface);
 393         ivi_layout_desktop_committed(surface);
 394 }
 395
 396 void
 397 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 398 {
 399         struct ivi_output *out;
 400
 401         wl_list_for_each(out, &ivi->outputs, link) {
 402                 create_black_surface_view(out);
 403                 insert_black_surface(out);
 404         }
 405 }
 406
 407 int
 408 ivi_shell_init(struct ivi_compositor *ivi)
 409 {
 410         weston_layer_init(&ivi->hidden, ivi->compositor);
 411         weston_layer_init(&ivi->background, ivi->compositor);
 412         weston_layer_init(&ivi->normal, ivi->compositor);
 413         weston_layer_init(&ivi->panel, ivi->compositor);
 414         weston_layer_init(&ivi->popup, ivi->compositor);
 415         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 416
 417         weston_layer_set_position(&ivi->hidden,
 418                                   WESTON_LAYER_POSITION_HIDDEN);
 419         weston_layer_set_position(&ivi->background,
 420                                   WESTON_LAYER_POSITION_BACKGROUND);
 421         weston_layer_set_position(&ivi->normal,
 422                                   WESTON_LAYER_POSITION_NORMAL);
 423         weston_layer_set_position(&ivi->panel,
 424                                   WESTON_LAYER_POSITION_UI);
 425         weston_layer_set_position(&ivi->popup,
 426                                   WESTON_LAYER_POSITION_TOP_UI);
 427         weston_layer_set_position(&ivi->fullscreen,
 428                                   WESTON_LAYER_POSITION_FULLSCREEN);
 429
 430         return 0;
 431 }
 432
 433 static void
 434 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 435 {
 436         struct ivi_surface *surface;
 437
 438         wl_list_for_each(surface, &ivi->surfaces, link) {
 439                 const char *app_id =
 440                         weston_desktop_surface_get_app_id(surface->dsurface);
 441                 agl_shell_desktop_send_application(resource, app_id);
 442         }
 443 }
 444
 445 static void
 446 client_exec(const char *command, int fd)
 447 {
 448         sigset_t sig;
 449         char s[32];
 450
 451         /* Don't give the child our signal mask */
 452         sigfillset(&sig);
 453         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 454
 455         /* Launch clients as the user; don't give them the wrong euid */
 456         if (seteuid(getuid()) == -1) {
 457                 weston_log("seteuid failed: %s\n", strerror(errno));
 458                 return;
 459         }
 460
 461         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 462          * clobbering fd, as we'll exit/exec either way.
 463          */
 464         fd = dup(fd);
 465         if (fd == -1) {
 466                 weston_log("dup failed: %s\n", strerror(errno));
 467                 return;
 468         }
 469
 470         snprintf(s, sizeof s, "%d", fd);
 471         setenv("WAYLAND_SOCKET", s, 1);
 472
 473         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 474         weston_log("executing '%s' failed: %s", command, strerror(errno));
 475 }
 476
 477 static struct wl_client *
 478 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 479 {
 480         struct wl_client *client;
 481         int sock[2];
 482         pid_t pid;
 483
 484         weston_log("launching' %s'\n", command);
 485
 486         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 487                 weston_log("socketpair failed while launching '%s': %s\n",
 488                            command, strerror(errno));
 489                 return NULL;
 490         }
 491
 492         pid = fork();
 493         if (pid == -1) {
 494                 close(sock[0]);
 495                 close(sock[1]);
 496                 weston_log("fork failed while launching '%s': %s\n",
 497                            command, strerror(errno));
 498                 return NULL;
 499         }
 500
 501         if (pid == 0) {
 502                 client_exec(command, sock[1]);
 503                 _Exit(EXIT_FAILURE);
 504         }
 505         close(sock[1]);
 506
 507         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 508         if (!client) {
 509                 close(sock[0]);
 510                 weston_log("Failed to create wayland client for '%s'",
 511                            command);
 512                 return NULL;
 513         }
 514
 515         return client;
 516 }
 517
 518 int
 519 ivi_launch_shell_client(struct ivi_compositor *ivi)
 520 {
 521         struct weston_config_section *section;
 522         char *command = NULL;
 523
 524         section = weston_config_get_section(ivi->config, "shell-client",
 525                                             NULL, NULL);
 526         if (section)
 527                 weston_config_section_get_string(section, "command",
 528                                                  &command, NULL);
 529
 530         if (!command)
 531                 return -1;
 532
 533         ivi->shell_client.client = launch_shell_client(ivi, command);
 534         if (!ivi->shell_client.client)
 535                 return -1;
 536
 537         return 0;
 538 }
 539
 540 static void
 541 destroy_black_view(struct wl_listener *listener, void *data)
 542 {
 543         struct fullscreen_view *fs =
 544                 wl_container_of(listener, fs, fs_destroy);
 545
 546
 547         if (fs && fs->fs) {
 548                 if (fs->fs->view && fs->fs->view->surface) {
 549                         weston_surface_destroy(fs->fs->view->surface);
 550                         fs->fs->view = NULL;
 551                 }
 552
 553                 free(fs->fs);
 554                 wl_list_remove(&fs->fs_destroy.link);
 555         }
 556 }
 557
 558
 559 static void
 560 create_black_surface_view(struct ivi_output *output)
 561 {
 562         struct weston_surface *surface = NULL;
 563         struct weston_view *view;
 564         struct ivi_compositor *ivi = output->ivi;
 565         struct weston_compositor *wc= ivi->compositor;
 566         struct weston_output *woutput = output->output;
 567
 568         surface = weston_surface_create(wc);
 569         view = weston_view_create(surface);
 570
 571         assert(view || surface);
 572
 573         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 574         weston_surface_set_size(surface, woutput->width, woutput->height);
 575         weston_view_set_position(view, woutput->x, woutput->y);
 576
 577         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 578         output->fullscreen_view.fs->view = view;
 579
 580         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 581         wl_signal_add(&woutput->destroy_signal,
 582                       &output->fullscreen_view.fs_destroy);
 583 }
 584
 585 void
 586 remove_black_surface(struct ivi_output *output)
 587 {
 588         struct weston_view *view;
 589
 590         if (!output &&
 591             !output->fullscreen_view.fs &&
 592             !output->fullscreen_view.fs->view) {
 593                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 594                 return;
 595         }
 596
 597         view = output->fullscreen_view.fs->view;
 598         assert(view->is_mapped == true ||
 599                view->surface->is_mapped == true);
 600
 601         view->is_mapped = false;
 602         view->surface->is_mapped = false;
 603
 604         weston_layer_entry_remove(&view->layer_link);
 605         weston_view_update_transform(view);
 606
 607         weston_output_damage(output->output);
 608 }
 609
 610 void
 611 insert_black_surface(struct ivi_output *output)
 612 {
 613         struct weston_view *view;
 614
 615         if (!output &&
 616             !output->fullscreen_view.fs &&
 617             !output->fullscreen_view.fs->view) {
 618                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 619                 return;
 620         }
 621
 622         view = output->fullscreen_view.fs->view;
 623         if (view->is_mapped || view->surface->is_mapped)
 624                 return;
 625
 626         weston_layer_entry_remove(&view->layer_link);
 627         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 628                                   &view->layer_link);
 629
 630         view->is_mapped = true;
 631         view->surface->is_mapped = true;
 632
 633         weston_view_update_transform(view);
 634         weston_output_damage(output->output);
 635 }
 636
 637 static void
 638 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 639 {
 640         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 641         struct ivi_output *output;
 642         struct ivi_surface *surface, *tmp;
 643
 644         /* Init already finished. Do nothing */
 645         if (ivi->shell_client.ready)
 646                 return;
 647
 648         ivi->shell_client.ready = true;
 649
 650         wl_list_for_each(output, &ivi->outputs, link) {
 651                 if (output->background)
 652                         remove_black_surface(output);
 653                 ivi_layout_init(ivi, output);
 654         }
 655
 656         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 657                 wl_list_remove(&surface->link);
 658                 ivi_check_pending_desktop_surface(surface);
 659         }
 660 }
 661
 662 static void
 663 shell_set_background(struct wl_client *client,
 664                      struct wl_resource *shell_res,
 665                      struct wl_resource *surface_res,
 666                      struct wl_resource *output_res)
 667 {
 668         struct weston_head *head = weston_head_from_resource(output_res);
 669         struct weston_output *woutput = weston_head_get_output(head);
 670         struct ivi_output *output = to_ivi_output(woutput);
 671         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 672         struct weston_desktop_surface *dsurface;
 673         struct ivi_surface *surface;
 674
 675         dsurface = weston_surface_get_desktop_surface(wsurface);
 676         if (!dsurface) {
 677                 wl_resource_post_error(shell_res,
 678                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 679                                        "surface must be a desktop surface");
 680                 return;
 681         }
 682
 683         surface = weston_desktop_surface_get_user_data(dsurface);
 684         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 685                 wl_resource_post_error(shell_res,
 686                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 687                                        "surface already has another ivi role");
 688                 return;
 689         }
 690
 691         if (output->background) {
 692                 wl_resource_post_error(shell_res,
 693                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 694                                        "output already has background");
 695                 return;
 696         }
 697
 698         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 699         surface->bg.output = output;
 700         wl_list_remove(&surface->link);
 701         wl_list_init(&surface->link);
 702
 703         output->background = surface;
 704
 705         weston_desktop_surface_set_maximized(dsurface, true);
 706         weston_desktop_surface_set_size(dsurface,
 707                                         output->output->width,
 708                                         output->output->height);
 709 }
 710
 711 static void
 712 shell_set_panel(struct wl_client *client,
 713                 struct wl_resource *shell_res,
 714                 struct wl_resource *surface_res,
 715                 struct wl_resource *output_res,
 716                 uint32_t edge)
 717 {
 718         struct weston_head *head = weston_head_from_resource(output_res);
 719         struct weston_output *woutput = weston_head_get_output(head);
 720         struct ivi_output *output = to_ivi_output(woutput);
 721         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 722         struct weston_desktop_surface *dsurface;
 723         struct ivi_surface *surface;
 724         struct ivi_surface **member;
 725         int32_t width = 0, height = 0;
 726
 727         dsurface = weston_surface_get_desktop_surface(wsurface);
 728         if (!dsurface) {
 729                 wl_resource_post_error(shell_res,
 730                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 731                                        "surface must be a desktop surface");
 732                 return;
 733         }
 734
 735         surface = weston_desktop_surface_get_user_data(dsurface);
 736         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 737                 wl_resource_post_error(shell_res,
 738                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 739                                        "surface already has another ivi role");
 740                 return;
 741         }
 742
 743         switch (edge) {
 744         case AGL_SHELL_EDGE_TOP:
 745                 member = &output->top;
 746                 break;
 747         case AGL_SHELL_EDGE_BOTTOM:
 748                 member = &output->bottom;
 749                 break;
 750         case AGL_SHELL_EDGE_LEFT:
 751                 member = &output->left;
 752                 break;
 753         case AGL_SHELL_EDGE_RIGHT:
 754                 member = &output->right;
 755                 break;
 756         default:
 757                 wl_resource_post_error(shell_res,
 758                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 759                                        "invalid edge for panel");
 760                 return;
 761         }
 762
 763         if (*member) {
 764                 wl_resource_post_error(shell_res,
 765                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 766                                        "output already has panel on this edge");
 767                 return;
 768         }
 769
 770         surface->role = IVI_SURFACE_ROLE_PANEL;
 771         surface->panel.output = output;
 772         surface->panel.edge = edge;
 773         wl_list_remove(&surface->link);
 774         wl_list_init(&surface->link);
 775
 776         *member = surface;
 777
 778         switch (surface->panel.edge) {
 779         case AGL_SHELL_EDGE_TOP:
 780         case AGL_SHELL_EDGE_BOTTOM:
 781                 width = woutput->width;
 782                 break;
 783         case AGL_SHELL_EDGE_LEFT:
 784         case AGL_SHELL_EDGE_RIGHT:
 785                 height = woutput->height;
 786                 break;
 787         }
 788
 789         weston_desktop_surface_set_size(dsurface, width, height);
 790 }
 791
 792
 793 static void
 794 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 795                           const char *data, uint32_t app_state)
 796 {
 797         struct desktop_client *dclient;
 798         uint32_t app_role;
 799         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 800         struct ivi_policy *policy = ivi->policy;
 801
 802         /* FIXME: should queue it here and see when binding agl-shell-desktop
 803          * if there are any to be sent */
 804         if (!surf)
 805                 return;
 806
 807         if (policy && policy->api.surface_advertise_state_change &&
 808             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 809                 return;
 810         }
 811
 812         app_role = surf->role;
 813         if (app_role == IVI_SURFACE_ROLE_POPUP)
 814                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 815
 816         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 817                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 818                                                  data, app_state, app_role);
 819 }
 820
 821 static void
 822 shell_activate_app(struct wl_client *client,
 823                    struct wl_resource *shell_res,
 824                    const char *app_id,
 825                    struct wl_resource *output_res)
 826 {
 827         struct weston_head *head = weston_head_from_resource(output_res);
 828         struct weston_output *woutput = weston_head_get_output(head);
 829         struct ivi_output *output = to_ivi_output(woutput);
 830
 831         ivi_layout_activate(output, app_id);
 832 }
 833
 834 static void
 835 shell_desktop_activate_app(struct wl_client *client,
 836                            struct wl_resource *shell_res,
 837                            const char *app_id, const char *data,
 838                            struct wl_resource *output_res)
 839 {
 840         struct weston_head *head = weston_head_from_resource(output_res);
 841         struct weston_output *woutput = weston_head_get_output(head);
 842         struct ivi_output *output = to_ivi_output(woutput);
 843
 844         ivi_layout_activate(output, app_id);
 845         shell_advertise_app_state(output->ivi, app_id,
 846                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 847 }
 848
 849 static void
 850 shell_deactivate_app(struct wl_client *client,
 851                    struct wl_resource *shell_res,
 852                    const char *app_id)
 853 {
 854         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
 855         struct ivi_compositor *ivi = dclient->ivi;
 856
 857         ivi_layout_deactivate(ivi, app_id);
 858         shell_advertise_app_state(ivi, app_id,
 859                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
 860 }
 861
 862 static const struct agl_shell_interface agl_shell_implementation = {
 863         .ready = shell_ready,
 864         .set_background = shell_set_background,
 865         .set_panel = shell_set_panel,
 866         .activate_app = shell_activate_app,
 867 };
 868
 869 static void
 870 shell_desktop_set_app_property(struct wl_client *client,
 871                                struct wl_resource *shell_res,
 872                                const char *app_id, uint32_t role,
 873                                int x, int y, int bx, int by,
 874                                int width, int height,
 875                                struct wl_resource *output_res)
 876 {
 877         struct weston_head *head = weston_head_from_resource(output_res);
 878         struct weston_output *woutput = weston_head_get_output(head);
 879         struct ivi_output *output = to_ivi_output(woutput);
 880
 881         switch (role) {
 882         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
 883                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
 884                                                       width, height, app_id);
 885                 break;
 886         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
 887                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
 888                 break;
 889         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
 890         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
 891                 ivi_set_pending_desktop_surface_split(output, app_id, role);
 892                 break;
 893         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
 894                 ivi_set_pending_desktop_surface_remote(output, app_id);
 895                 break;
 896         default:
 897                 break;
 898         }
 899 }
 900
 901 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
 902         .activate_app = shell_desktop_activate_app,
 903         .set_app_property = shell_desktop_set_app_property,
 904         .deactivate_app = shell_deactivate_app,
 905 };
 906
 907 static void
 908 unbind_agl_shell(struct wl_resource *resource)
 909 {
 910         struct ivi_compositor *ivi;
 911         struct ivi_output *output;
 912         struct ivi_surface *surf, *surf_tmp;
 913
 914         ivi = wl_resource_get_user_data(resource);
 915         wl_list_for_each(output, &ivi->outputs, link) {
 916                 /* reset the active surf if there's one present */
 917                 if (output->active) {
 918                         output->active->view->is_mapped = false;
 919                         output->active->view->surface->is_mapped = false;
 920
 921                         weston_layer_entry_remove(&output->active->view->layer_link);
 922                         output->active = NULL;
 923                 }
 924
 925                 insert_black_surface(output);
 926         }
 927
 928         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
 929                 wl_list_remove(&surf->link);
 930                 wl_list_init(&surf->link);
 931         }
 932
 933         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
 934                 wl_list_remove(&surf->link);
 935                 wl_list_init(&surf->link);
 936         }
 937
 938         wl_list_init(&ivi->surfaces);
 939         wl_list_init(&ivi->pending_surfaces);
 940
 941         ivi->shell_client.ready = false;
 942         ivi->shell_client.resource = NULL;
 943         ivi->shell_client.client = NULL;
 944 }
 945
 946 static void
 947 bind_agl_shell(struct wl_client *client,
 948                void *data, uint32_t version, uint32_t id)
 949 {
 950         struct ivi_compositor *ivi = data;
 951         struct wl_resource *resource;
 952         struct ivi_policy *policy;
 953         void *interface;
 954
 955         policy = ivi->policy;
 956         interface = (void *) &agl_shell_interface;
 957         if (policy && policy->api.shell_bind_interface &&
 958             !policy->api.shell_bind_interface(client, interface)) {
 959                 wl_client_post_implementation_error(client,
 960                                        "client not authorized to use agl_shell");
 961                 return;
 962         }
 963
 964         resource = wl_resource_create(client, &agl_shell_interface,
 965                                       1, id);
 966         if (!resource) {
 967                 wl_client_post_no_memory(client);
 968                 return;
 969         }
 970
 971 #if 0
 972         if (ivi->shell_client.client != client) {
 973                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 974                                        "client not authorized to use agl_shell");
 975                 return;
 976         }
 977 #endif
 978
 979         if (ivi->shell_client.resource) {
 980                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 981                                        "agl_shell has already been bound");
 982                 return;
 983         }
 984
 985         wl_resource_set_implementation(resource, &agl_shell_implementation,
 986                                        ivi, unbind_agl_shell);
 987         ivi->shell_client.resource = resource;
 988 }
 989
 990 static void
 991 unbind_agl_shell_desktop(struct wl_resource *resource)
 992 {
 993         struct desktop_client *dclient = wl_resource_get_user_data(resource);
 994
 995         wl_list_remove(&dclient->link);
 996         free(dclient);
 997 }
 998
 999 static void
1000 bind_agl_shell_desktop(struct wl_client *client,
1001                        void *data, uint32_t version, uint32_t id)
1002 {
1003         struct ivi_compositor *ivi = data;
1004         struct wl_resource *resource;
1005         struct ivi_policy *policy;
1006         struct desktop_client *dclient;
1007         void *interface;
1008
1009         policy = ivi->policy;
1010         interface  = (void *) &agl_shell_desktop_interface;
1011         if (policy && policy->api.shell_bind_interface &&
1012             !policy->api.shell_bind_interface(client, interface)) {
1013                 wl_client_post_implementation_error(client,
1014                                 "client not authorized to use agl_shell_desktop");
1015                 return;
1016         }
1017
1018         dclient = zalloc(sizeof(*dclient));
1019         if (!dclient) {
1020                 wl_client_post_no_memory(client);
1021                 return;
1022         }
1023
1024         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1025                                       version, id);
1026         dclient->ivi = ivi;
1027         if (!resource) {
1028                 wl_client_post_no_memory(client);
1029                 return;
1030         }
1031
1032         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1033                                        dclient, unbind_agl_shell_desktop);
1034
1035         dclient->resource = resource;
1036         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1037
1038         /* advertise xdg surfaces */
1039         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1040 }
1041
1042 int
1043 ivi_shell_create_global(struct ivi_compositor *ivi)
1044 {
1045         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1046                                           &agl_shell_interface, 1,
1047                                           ivi, bind_agl_shell);
1048         if (!ivi->agl_shell) {
1049                 weston_log("Failed to create wayland global.\n");
1050                 return -1;
1051         }
1052
1053         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1054                                                   &agl_shell_desktop_interface, 1,
1055                                                   ivi, bind_agl_shell_desktop);
1056         if (!ivi->agl_shell_desktop) {
1057                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1058                 return -1;
1059         }
1060
1061         return 0;
1062 }