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) || !_app_id)
 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) || !_app_id)
 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) || !_app_id)
 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) || !_app_id)
 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                 ivi_layout_popup_committed(surface);
 370                 return;
 371         }
 372
 373         ret = ivi_check_pending_desktop_surface_split(surface);
 374         if (ret) {
 375                 ivi_set_desktop_surface_split(surface);
 376                 ivi_layout_split_committed(surface);
 377                 return;
 378         }
 379
 380         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 381         if (ret) {
 382                 ivi_set_desktop_surface_fullscreen(surface);
 383                 ivi_layout_fullscreen_committed(surface);
 384                 return;
 385         }
 386
 387         ret = ivi_check_pending_desktop_surface_remote(surface);
 388         if (ret) {
 389                 ivi_set_desktop_surface_remote(surface);
 390                 ivi_layout_desktop_committed(surface);
 391                 return;
 392         }
 393
 394         /* if we end up here means we have a regular desktop app and
 395          * try to activate it */
 396         ivi_set_desktop_surface(surface);
 397         ivi_layout_desktop_committed(surface);
 398 }
 399
 400 void
 401 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 402 {
 403         struct ivi_output *out;
 404
 405         wl_list_for_each(out, &ivi->outputs, link) {
 406                 create_black_surface_view(out);
 407                 insert_black_surface(out);
 408         }
 409 }
 410
 411 int
 412 ivi_shell_init(struct ivi_compositor *ivi)
 413 {
 414         weston_layer_init(&ivi->hidden, ivi->compositor);
 415         weston_layer_init(&ivi->background, ivi->compositor);
 416         weston_layer_init(&ivi->normal, ivi->compositor);
 417         weston_layer_init(&ivi->panel, ivi->compositor);
 418         weston_layer_init(&ivi->popup, ivi->compositor);
 419         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 420
 421         weston_layer_set_position(&ivi->hidden,
 422                                   WESTON_LAYER_POSITION_HIDDEN);
 423         weston_layer_set_position(&ivi->background,
 424                                   WESTON_LAYER_POSITION_BACKGROUND);
 425         weston_layer_set_position(&ivi->normal,
 426                                   WESTON_LAYER_POSITION_NORMAL);
 427         weston_layer_set_position(&ivi->panel,
 428                                   WESTON_LAYER_POSITION_UI);
 429         weston_layer_set_position(&ivi->popup,
 430                                   WESTON_LAYER_POSITION_TOP_UI);
 431         weston_layer_set_position(&ivi->fullscreen,
 432                                   WESTON_LAYER_POSITION_FULLSCREEN);
 433
 434         return 0;
 435 }
 436
 437 static void
 438 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 439 {
 440         struct ivi_surface *surface;
 441
 442         wl_list_for_each(surface, &ivi->surfaces, link) {
 443                 const char *app_id =
 444                         weston_desktop_surface_get_app_id(surface->dsurface);
 445                 agl_shell_desktop_send_application(resource, app_id);
 446         }
 447 }
 448
 449 static void
 450 client_exec(const char *command, int fd)
 451 {
 452         sigset_t sig;
 453         char s[32];
 454
 455         /* Don't give the child our signal mask */
 456         sigfillset(&sig);
 457         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 458
 459         /* Launch clients as the user; don't give them the wrong euid */
 460         if (seteuid(getuid()) == -1) {
 461                 weston_log("seteuid failed: %s\n", strerror(errno));
 462                 return;
 463         }
 464
 465         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 466          * clobbering fd, as we'll exit/exec either way.
 467          */
 468         fd = dup(fd);
 469         if (fd == -1) {
 470                 weston_log("dup failed: %s\n", strerror(errno));
 471                 return;
 472         }
 473
 474         snprintf(s, sizeof s, "%d", fd);
 475         setenv("WAYLAND_SOCKET", s, 1);
 476
 477         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 478         weston_log("executing '%s' failed: %s", command, strerror(errno));
 479 }
 480
 481 static struct wl_client *
 482 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 483 {
 484         struct wl_client *client;
 485         int sock[2];
 486         pid_t pid;
 487
 488         weston_log("launching' %s'\n", command);
 489
 490         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 491                 weston_log("socketpair failed while launching '%s': %s\n",
 492                            command, strerror(errno));
 493                 return NULL;
 494         }
 495
 496         pid = fork();
 497         if (pid == -1) {
 498                 close(sock[0]);
 499                 close(sock[1]);
 500                 weston_log("fork failed while launching '%s': %s\n",
 501                            command, strerror(errno));
 502                 return NULL;
 503         }
 504
 505         if (pid == 0) {
 506                 client_exec(command, sock[1]);
 507                 _Exit(EXIT_FAILURE);
 508         }
 509         close(sock[1]);
 510
 511         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 512         if (!client) {
 513                 close(sock[0]);
 514                 weston_log("Failed to create wayland client for '%s'",
 515                            command);
 516                 return NULL;
 517         }
 518
 519         return client;
 520 }
 521
 522 int
 523 ivi_launch_shell_client(struct ivi_compositor *ivi)
 524 {
 525         struct weston_config_section *section;
 526         char *command = NULL;
 527
 528         section = weston_config_get_section(ivi->config, "shell-client",
 529                                             NULL, NULL);
 530         if (section)
 531                 weston_config_section_get_string(section, "command",
 532                                                  &command, NULL);
 533
 534         if (!command)
 535                 return -1;
 536
 537         ivi->shell_client.client = launch_shell_client(ivi, command);
 538         if (!ivi->shell_client.client)
 539                 return -1;
 540
 541         return 0;
 542 }
 543
 544 static void
 545 destroy_black_view(struct wl_listener *listener, void *data)
 546 {
 547         struct fullscreen_view *fs =
 548                 wl_container_of(listener, fs, fs_destroy);
 549
 550
 551         if (fs && fs->fs) {
 552                 if (fs->fs->view && fs->fs->view->surface) {
 553                         weston_surface_destroy(fs->fs->view->surface);
 554                         fs->fs->view = NULL;
 555                 }
 556
 557                 free(fs->fs);
 558                 wl_list_remove(&fs->fs_destroy.link);
 559         }
 560 }
 561
 562
 563 static void
 564 create_black_surface_view(struct ivi_output *output)
 565 {
 566         struct weston_surface *surface = NULL;
 567         struct weston_view *view;
 568         struct ivi_compositor *ivi = output->ivi;
 569         struct weston_compositor *wc= ivi->compositor;
 570         struct weston_output *woutput = output->output;
 571
 572         surface = weston_surface_create(wc);
 573         view = weston_view_create(surface);
 574
 575         assert(view || surface);
 576
 577         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 578         weston_surface_set_size(surface, woutput->width, woutput->height);
 579         weston_view_set_position(view, woutput->x, woutput->y);
 580
 581         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 582         output->fullscreen_view.fs->view = view;
 583
 584         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 585         wl_signal_add(&woutput->destroy_signal,
 586                       &output->fullscreen_view.fs_destroy);
 587 }
 588
 589 void
 590 remove_black_surface(struct ivi_output *output)
 591 {
 592         struct weston_view *view;
 593
 594         if (!output &&
 595             !output->fullscreen_view.fs &&
 596             !output->fullscreen_view.fs->view) {
 597                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 598                 return;
 599         }
 600
 601         view = output->fullscreen_view.fs->view;
 602         assert(view->is_mapped == true ||
 603                view->surface->is_mapped == true);
 604
 605         view->is_mapped = false;
 606         view->surface->is_mapped = false;
 607
 608         weston_layer_entry_remove(&view->layer_link);
 609         weston_view_update_transform(view);
 610
 611         weston_output_damage(output->output);
 612 }
 613
 614 void
 615 insert_black_surface(struct ivi_output *output)
 616 {
 617         struct weston_view *view;
 618
 619         if (!output &&
 620             !output->fullscreen_view.fs &&
 621             !output->fullscreen_view.fs->view) {
 622                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 623                 return;
 624         }
 625
 626         view = output->fullscreen_view.fs->view;
 627         if (view->is_mapped || view->surface->is_mapped)
 628                 return;
 629
 630         weston_layer_entry_remove(&view->layer_link);
 631         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 632                                   &view->layer_link);
 633
 634         view->is_mapped = true;
 635         view->surface->is_mapped = true;
 636
 637         weston_view_update_transform(view);
 638         weston_output_damage(output->output);
 639 }
 640
 641 static void
 642 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 643 {
 644         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 645         struct ivi_output *output;
 646         struct ivi_surface *surface, *tmp;
 647
 648         /* Init already finished. Do nothing */
 649         if (ivi->shell_client.ready)
 650                 return;
 651
 652         ivi->shell_client.ready = true;
 653
 654         wl_list_for_each(output, &ivi->outputs, link) {
 655                 if (output->background)
 656                         remove_black_surface(output);
 657                 ivi_layout_init(ivi, output);
 658         }
 659
 660         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 661                 wl_list_remove(&surface->link);
 662                 ivi_check_pending_desktop_surface(surface);
 663         }
 664 }
 665
 666 static void
 667 shell_set_background(struct wl_client *client,
 668                      struct wl_resource *shell_res,
 669                      struct wl_resource *surface_res,
 670                      struct wl_resource *output_res)
 671 {
 672         struct weston_head *head = weston_head_from_resource(output_res);
 673         struct weston_output *woutput = weston_head_get_output(head);
 674         struct ivi_output *output = to_ivi_output(woutput);
 675         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 676         struct weston_desktop_surface *dsurface;
 677         struct ivi_surface *surface;
 678
 679         dsurface = weston_surface_get_desktop_surface(wsurface);
 680         if (!dsurface) {
 681                 wl_resource_post_error(shell_res,
 682                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 683                                        "surface must be a desktop surface");
 684                 return;
 685         }
 686
 687         surface = weston_desktop_surface_get_user_data(dsurface);
 688         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 689                 wl_resource_post_error(shell_res,
 690                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 691                                        "surface already has another ivi role");
 692                 return;
 693         }
 694
 695         if (output->background) {
 696                 wl_resource_post_error(shell_res,
 697                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 698                                        "output already has background");
 699                 return;
 700         }
 701
 702         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 703         surface->bg.output = output;
 704         wl_list_remove(&surface->link);
 705         wl_list_init(&surface->link);
 706
 707         output->background = surface;
 708
 709         weston_desktop_surface_set_maximized(dsurface, true);
 710         weston_desktop_surface_set_size(dsurface,
 711                                         output->output->width,
 712                                         output->output->height);
 713 }
 714
 715 static void
 716 shell_set_panel(struct wl_client *client,
 717                 struct wl_resource *shell_res,
 718                 struct wl_resource *surface_res,
 719                 struct wl_resource *output_res,
 720                 uint32_t edge)
 721 {
 722         struct weston_head *head = weston_head_from_resource(output_res);
 723         struct weston_output *woutput = weston_head_get_output(head);
 724         struct ivi_output *output = to_ivi_output(woutput);
 725         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 726         struct weston_desktop_surface *dsurface;
 727         struct ivi_surface *surface;
 728         struct ivi_surface **member;
 729         int32_t width = 0, height = 0;
 730
 731         dsurface = weston_surface_get_desktop_surface(wsurface);
 732         if (!dsurface) {
 733                 wl_resource_post_error(shell_res,
 734                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 735                                        "surface must be a desktop surface");
 736                 return;
 737         }
 738
 739         surface = weston_desktop_surface_get_user_data(dsurface);
 740         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 741                 wl_resource_post_error(shell_res,
 742                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 743                                        "surface already has another ivi role");
 744                 return;
 745         }
 746
 747         switch (edge) {
 748         case AGL_SHELL_EDGE_TOP:
 749                 member = &output->top;
 750                 break;
 751         case AGL_SHELL_EDGE_BOTTOM:
 752                 member = &output->bottom;
 753                 break;
 754         case AGL_SHELL_EDGE_LEFT:
 755                 member = &output->left;
 756                 break;
 757         case AGL_SHELL_EDGE_RIGHT:
 758                 member = &output->right;
 759                 break;
 760         default:
 761                 wl_resource_post_error(shell_res,
 762                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 763                                        "invalid edge for panel");
 764                 return;
 765         }
 766
 767         if (*member) {
 768                 wl_resource_post_error(shell_res,
 769                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 770                                        "output already has panel on this edge");
 771                 return;
 772         }
 773
 774         surface->role = IVI_SURFACE_ROLE_PANEL;
 775         surface->panel.output = output;
 776         surface->panel.edge = edge;
 777         wl_list_remove(&surface->link);
 778         wl_list_init(&surface->link);
 779
 780         *member = surface;
 781
 782         switch (surface->panel.edge) {
 783         case AGL_SHELL_EDGE_TOP:
 784         case AGL_SHELL_EDGE_BOTTOM:
 785                 width = woutput->width;
 786                 break;
 787         case AGL_SHELL_EDGE_LEFT:
 788         case AGL_SHELL_EDGE_RIGHT:
 789                 height = woutput->height;
 790                 break;
 791         }
 792
 793         weston_desktop_surface_set_size(dsurface, width, height);
 794 }
 795
 796 void
 797 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 798                           const char *data, uint32_t app_state)
 799 {
 800         struct desktop_client *dclient;
 801         uint32_t app_role;
 802         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 803         struct ivi_policy *policy = ivi->policy;
 804
 805         /* FIXME: should queue it here and see when binding agl-shell-desktop
 806          * if there are any to be sent */
 807         if (!surf)
 808                 return;
 809
 810         if (policy && policy->api.surface_advertise_state_change &&
 811             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 812                 return;
 813         }
 814
 815         app_role = surf->role;
 816         if (app_role == IVI_SURFACE_ROLE_POPUP)
 817                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 818
 819         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 820                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 821                                                  data, app_state, app_role);
 822 }
 823
 824 static void
 825 shell_activate_app(struct wl_client *client,
 826                    struct wl_resource *shell_res,
 827                    const char *app_id,
 828                    struct wl_resource *output_res)
 829 {
 830         struct weston_head *head = weston_head_from_resource(output_res);
 831         struct weston_output *woutput = weston_head_get_output(head);
 832         struct ivi_output *output = to_ivi_output(woutput);
 833
 834         ivi_layout_activate(output, app_id);
 835 }
 836
 837 static void
 838 shell_desktop_activate_app(struct wl_client *client,
 839                            struct wl_resource *shell_res,
 840                            const char *app_id, const char *data,
 841                            struct wl_resource *output_res)
 842 {
 843         struct weston_head *head = weston_head_from_resource(output_res);
 844         struct weston_output *woutput = weston_head_get_output(head);
 845         struct ivi_output *output = to_ivi_output(woutput);
 846
 847         ivi_layout_activate(output, app_id);
 848         shell_advertise_app_state(output->ivi, app_id,
 849                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 850 }
 851
 852 static void
 853 shell_deactivate_app(struct wl_client *client,
 854                    struct wl_resource *shell_res,
 855                    const char *app_id)
 856 {
 857         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
 858         struct ivi_compositor *ivi = dclient->ivi;
 859
 860         ivi_layout_deactivate(ivi, app_id);
 861         shell_advertise_app_state(ivi, app_id,
 862                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
 863 }
 864
 865 static const struct agl_shell_interface agl_shell_implementation = {
 866         .ready = shell_ready,
 867         .set_background = shell_set_background,
 868         .set_panel = shell_set_panel,
 869         .activate_app = shell_activate_app,
 870 };
 871
 872 static void
 873 shell_desktop_set_app_property(struct wl_client *client,
 874                                struct wl_resource *shell_res,
 875                                const char *app_id, uint32_t role,
 876                                int x, int y, int bx, int by,
 877                                int width, int height,
 878                                struct wl_resource *output_res)
 879 {
 880         struct weston_head *head = weston_head_from_resource(output_res);
 881         struct weston_output *woutput = weston_head_get_output(head);
 882         struct ivi_output *output = to_ivi_output(woutput);
 883
 884         switch (role) {
 885         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
 886                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
 887                                                       width, height, app_id);
 888                 break;
 889         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
 890                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
 891                 break;
 892         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
 893         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
 894                 ivi_set_pending_desktop_surface_split(output, app_id, role);
 895                 break;
 896         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
 897                 ivi_set_pending_desktop_surface_remote(output, app_id);
 898                 break;
 899         default:
 900                 break;
 901         }
 902 }
 903
 904 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
 905         .activate_app = shell_desktop_activate_app,
 906         .set_app_property = shell_desktop_set_app_property,
 907         .deactivate_app = shell_deactivate_app,
 908 };
 909
 910 static void
 911 unbind_agl_shell(struct wl_resource *resource)
 912 {
 913         struct ivi_compositor *ivi;
 914         struct ivi_output *output;
 915         struct ivi_surface *surf, *surf_tmp;
 916
 917         ivi = wl_resource_get_user_data(resource);
 918         wl_list_for_each(output, &ivi->outputs, link) {
 919                 /* reset the active surf if there's one present */
 920                 if (output->active) {
 921                         output->active->view->is_mapped = false;
 922                         output->active->view->surface->is_mapped = false;
 923
 924                         weston_layer_entry_remove(&output->active->view->layer_link);
 925                         output->active = NULL;
 926                 }
 927
 928                 insert_black_surface(output);
 929         }
 930
 931         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
 932                 wl_list_remove(&surf->link);
 933                 wl_list_init(&surf->link);
 934         }
 935
 936         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
 937                 wl_list_remove(&surf->link);
 938                 wl_list_init(&surf->link);
 939         }
 940
 941         wl_list_init(&ivi->surfaces);
 942         wl_list_init(&ivi->pending_surfaces);
 943
 944         ivi->shell_client.ready = false;
 945         ivi->shell_client.resource = NULL;
 946         ivi->shell_client.client = NULL;
 947 }
 948
 949 static void
 950 bind_agl_shell(struct wl_client *client,
 951                void *data, uint32_t version, uint32_t id)
 952 {
 953         struct ivi_compositor *ivi = data;
 954         struct wl_resource *resource;
 955         struct ivi_policy *policy;
 956         void *interface;
 957
 958         policy = ivi->policy;
 959         interface = (void *) &agl_shell_interface;
 960         if (policy && policy->api.shell_bind_interface &&
 961             !policy->api.shell_bind_interface(client, interface)) {
 962                 wl_client_post_implementation_error(client,
 963                                        "client not authorized to use agl_shell");
 964                 return;
 965         }
 966
 967         resource = wl_resource_create(client, &agl_shell_interface,
 968                                       1, id);
 969         if (!resource) {
 970                 wl_client_post_no_memory(client);
 971                 return;
 972         }
 973
 974 #if 0
 975         if (ivi->shell_client.client != client) {
 976                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 977                                        "client not authorized to use agl_shell");
 978                 return;
 979         }
 980 #endif
 981
 982         if (ivi->shell_client.resource) {
 983                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 984                                        "agl_shell has already been bound");
 985                 return;
 986         }
 987
 988         wl_resource_set_implementation(resource, &agl_shell_implementation,
 989                                        ivi, unbind_agl_shell);
 990         ivi->shell_client.resource = resource;
 991 }
 992
 993 static void
 994 unbind_agl_shell_desktop(struct wl_resource *resource)
 995 {
 996         struct desktop_client *dclient = wl_resource_get_user_data(resource);
 997
 998         wl_list_remove(&dclient->link);
 999         free(dclient);
1000 }
1001
1002 static void
1003 bind_agl_shell_desktop(struct wl_client *client,
1004                        void *data, uint32_t version, uint32_t id)
1005 {
1006         struct ivi_compositor *ivi = data;
1007         struct wl_resource *resource;
1008         struct ivi_policy *policy;
1009         struct desktop_client *dclient;
1010         void *interface;
1011
1012         policy = ivi->policy;
1013         interface  = (void *) &agl_shell_desktop_interface;
1014         if (policy && policy->api.shell_bind_interface &&
1015             !policy->api.shell_bind_interface(client, interface)) {
1016                 wl_client_post_implementation_error(client,
1017                                 "client not authorized to use agl_shell_desktop");
1018                 return;
1019         }
1020
1021         dclient = zalloc(sizeof(*dclient));
1022         if (!dclient) {
1023                 wl_client_post_no_memory(client);
1024                 return;
1025         }
1026
1027         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1028                                       version, id);
1029         dclient->ivi = ivi;
1030         if (!resource) {
1031                 wl_client_post_no_memory(client);
1032                 return;
1033         }
1034
1035         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1036                                        dclient, unbind_agl_shell_desktop);
1037
1038         dclient->resource = resource;
1039         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1040
1041         /* advertise xdg surfaces */
1042         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1043 }
1044
1045 int
1046 ivi_shell_create_global(struct ivi_compositor *ivi)
1047 {
1048         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1049                                           &agl_shell_interface, 1,
1050                                           ivi, bind_agl_shell);
1051         if (!ivi->agl_shell) {
1052                 weston_log("Failed to create wayland global.\n");
1053                 return -1;
1054         }
1055
1056         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1057                                                   &agl_shell_desktop_interface, 1,
1058                                                   ivi, bind_agl_shell_desktop);
1059         if (!ivi->agl_shell_desktop) {
1060                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1061                 return -1;
1062         }
1063
1064         return 0;
1065 }