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 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         if (surface->advertised_on_launch)
  55                 return;
  56
  57         /* advertise to all desktop clients the new surface */
  58         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  59                 const char *app_id =
  60                         weston_desktop_surface_get_app_id(surface->dsurface);
  61                 if (app_id == NULL) {
  62                         weston_log("WARNING app_is is null, unable to advertise\n");
  63                         return;
  64                 }
  65                 agl_shell_desktop_send_application(dclient->resource, app_id);
  66                 surface->advertised_on_launch = true;
  67         }
  68 }
  69
  70 void
  71 ivi_set_desktop_surface(struct ivi_surface *surface)
  72 {
  73         struct ivi_compositor *ivi = surface->ivi;
  74         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  75
  76         surface->role = IVI_SURFACE_ROLE_DESKTOP;
  77         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  78
  79         agl_shell_desktop_advertise_application_id(ivi, surface);
  80 }
  81
  82 static void
  83 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
  84 {
  85         struct ivi_compositor *ivi = surface->ivi;
  86         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  87
  88         surface->role = IVI_SURFACE_ROLE_POPUP;
  89         wl_list_insert(&ivi->surfaces, &surface->link);
  90
  91         agl_shell_desktop_advertise_application_id(ivi, surface);
  92 }
  93
  94 static void
  95 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
  96 {
  97         struct ivi_compositor *ivi = surface->ivi;
  98         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  99
 100         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
 101         wl_list_insert(&ivi->surfaces, &surface->link);
 102
 103         agl_shell_desktop_advertise_application_id(ivi, surface);
 104 }
 105
 106 static void
 107 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 108 {
 109         struct ivi_compositor *ivi = surface->ivi;
 110         struct weston_view *view;
 111         struct ivi_output *output = surface->remote.output;
 112
 113         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 114
 115         /* remote type are the same as desktop just that client can tell
 116          * the compositor to start on another output */
 117         surface->role = IVI_SURFACE_ROLE_REMOTE;
 118
 119         /* if thew black surface view is mapped on the mean we need
 120          * to remove it in order to start showing the 'remote' surface
 121          * just being added */
 122         view = output->fullscreen_view.fs->view;
 123         if (view->is_mapped || view->surface->is_mapped)
 124                 remove_black_surface(output);
 125
 126         wl_list_insert(&ivi->surfaces, &surface->link);
 127 }
 128
 129
 130 static void
 131 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 132 {
 133         struct ivi_compositor *ivi = surface->ivi;
 134         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 135
 136         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 137                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 138         else
 139                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 140
 141         wl_list_insert(&ivi->surfaces, &surface->link);
 142
 143         agl_shell_desktop_advertise_application_id(ivi, surface);
 144 }
 145
 146 static void
 147 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput,
 148                                       int x, int y, int bx, int by, int width, int height,
 149                                       const char *app_id)
 150 {
 151         struct ivi_compositor *ivi = ioutput->ivi;
 152         size_t len_app_id = strlen(app_id);
 153
 154         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
 155
 156         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 157         memcpy(p_popup->app_id, app_id, len_app_id);
 158         p_popup->ioutput = ioutput;
 159         p_popup->x = x;
 160         p_popup->y = y;
 161
 162         p_popup->bb.x = bx;
 163         p_popup->bb.y = by;
 164         p_popup->bb.width = width;
 165         p_popup->bb.height = height;
 166
 167         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 168 }
 169
 170 static void
 171 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 172                                            const char *app_id)
 173 {
 174         struct ivi_compositor *ivi = ioutput->ivi;
 175         size_t len_app_id = strlen(app_id);
 176
 177         struct pending_fullscreen *fs = zalloc(sizeof(*fs));
 178
 179         fs->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 180         memcpy(fs->app_id, app_id, len_app_id);
 181
 182         fs->ioutput = ioutput;
 183
 184         wl_list_insert(&ivi->fullscreen_pending_apps, &fs->link);
 185 }
 186
 187 static void
 188 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 189                                       const char *app_id, uint32_t orientation)
 190 {
 191         struct ivi_compositor *ivi = ioutput->ivi;
 192         struct ivi_surface *surf;
 193         size_t len_app_id = strlen(app_id);
 194         struct pending_split *split;
 195
 196         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 197             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 198                 return;
 199
 200         /* more than one is un-supported, do note we need to do
 201          * conversion for surface roles instead of using the protocol ones */
 202         wl_list_for_each(surf, &ivi->surfaces, link)
 203                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 204                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 205                         return;
 206
 207         split = zalloc(sizeof(*split));
 208         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 209         memcpy(split->app_id, app_id, len_app_id);
 210
 211         split->ioutput = ioutput;
 212         split->orientation = orientation;
 213
 214         wl_list_insert(&ivi->split_pending_apps, &split->link);
 215 }
 216
 217 void
 218 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 219                 const char *app_id)
 220 {
 221         struct ivi_compositor *ivi = ioutput->ivi;
 222         size_t len_app_id = strlen(app_id);
 223
 224         struct pending_remote *remote = zalloc(sizeof(*remote));
 225
 226         remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 227         memcpy(remote->app_id, app_id, len_app_id);
 228
 229         remote->ioutput = ioutput;
 230
 231         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
 232 }
 233
 234
 235 static void
 236 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 237 {
 238         free(split->app_id);
 239         wl_list_remove(&split->link);
 240         free(split);
 241 }
 242
 243 static void
 244 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 245 {
 246         free(fs->app_id);
 247         wl_list_remove(&fs->link);
 248         free(fs);
 249 }
 250
 251 static void
 252 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 253 {
 254         free(p_popup->app_id);
 255         wl_list_remove(&p_popup->link);
 256         free(p_popup);
 257 }
 258
 259 static void
 260 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 261 {
 262         free(remote->app_id);
 263         wl_list_remove(&remote->link);
 264         free(remote);
 265 }
 266
 267 static bool
 268 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 269 {
 270         struct ivi_compositor *ivi = surface->ivi;
 271         struct pending_popup *p_popup, *next_p_popup;
 272         const char *_app_id =
 273                         weston_desktop_surface_get_app_id(surface->dsurface);
 274
 275         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
 276                 return false;
 277
 278         wl_list_for_each_safe(p_popup, next_p_popup,
 279                               &ivi->popup_pending_apps, link) {
 280                 if (!strcmp(_app_id, p_popup->app_id)) {
 281                         surface->popup.output = p_popup->ioutput;
 282                         surface->popup.x = p_popup->x;
 283                         surface->popup.y = p_popup->y;
 284
 285                         surface->popup.bb.x = p_popup->bb.x;
 286                         surface->popup.bb.y = p_popup->bb.y;
 287                         surface->popup.bb.width = p_popup->bb.width;
 288                         surface->popup.bb.height = p_popup->bb.height;
 289
 290                         ivi_remove_pending_desktop_surface_popup(p_popup);
 291                         return true;
 292                 }
 293         }
 294
 295         return false;
 296 }
 297
 298 static bool
 299 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 300 {
 301         struct pending_split *split_surf, *next_split_surf;
 302         struct ivi_compositor *ivi = surface->ivi;
 303         const char *_app_id =
 304                         weston_desktop_surface_get_app_id(surface->dsurface);
 305
 306         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
 307                 return false;
 308
 309         wl_list_for_each_safe(split_surf, next_split_surf,
 310                               &ivi->split_pending_apps, link) {
 311                 if (!strcmp(_app_id, split_surf->app_id)) {
 312                         surface->split.output = split_surf->ioutput;
 313                         surface->split.orientation = split_surf->orientation;
 314                         ivi_remove_pending_desktop_surface_split(split_surf);
 315                         return true;
 316                 }
 317         }
 318
 319         return false;
 320 }
 321
 322 static bool
 323 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 324 {
 325         struct pending_fullscreen *fs_surf, *next_fs_surf;
 326         struct ivi_compositor *ivi = surface->ivi;
 327         const char *_app_id =
 328                         weston_desktop_surface_get_app_id(surface->dsurface);
 329
 330         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
 331                 return false;
 332
 333         wl_list_for_each_safe(fs_surf, next_fs_surf,
 334                               &ivi->fullscreen_pending_apps, link) {
 335                 if (!strcmp(_app_id, fs_surf->app_id)) {
 336                         surface->fullscreen.output = fs_surf->ioutput;
 337                         ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 338                         return true;
 339                 }
 340         }
 341
 342         return false;
 343 }
 344
 345 static bool
 346 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 347 {
 348         struct pending_remote *remote_surf, *next_remote_surf;
 349         struct ivi_compositor *ivi = surface->ivi;
 350         const char *_app_id =
 351                 weston_desktop_surface_get_app_id(surface->dsurface);
 352
 353         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
 354                 return false;
 355
 356         wl_list_for_each_safe(remote_surf, next_remote_surf,
 357                               &ivi->remote_pending_apps, link) {
 358                 if (!strcmp(_app_id, remote_surf->app_id)) {
 359                         surface->remote.output = remote_surf->ioutput;
 360                         ivi_remove_pending_desktop_surface_remote(remote_surf);
 361                         return true;
 362                 }
 363         }
 364
 365         return false;
 366 }
 367
 368
 369 void
 370 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 371 {
 372         bool ret = false;
 373
 374         ret = ivi_check_pending_desktop_surface_popup(surface);
 375         if (ret) {
 376                 ivi_set_desktop_surface_popup(surface);
 377                 ivi_layout_popup_committed(surface);
 378                 return;
 379         }
 380
 381         ret = ivi_check_pending_desktop_surface_split(surface);
 382         if (ret) {
 383                 ivi_set_desktop_surface_split(surface);
 384                 ivi_layout_split_committed(surface);
 385                 return;
 386         }
 387
 388         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 389         if (ret) {
 390                 ivi_set_desktop_surface_fullscreen(surface);
 391                 ivi_layout_fullscreen_committed(surface);
 392                 return;
 393         }
 394
 395         ret = ivi_check_pending_desktop_surface_remote(surface);
 396         if (ret) {
 397                 ivi_set_desktop_surface_remote(surface);
 398                 ivi_layout_desktop_committed(surface);
 399                 return;
 400         }
 401
 402         /* if we end up here means we have a regular desktop app and
 403          * try to activate it */
 404         ivi_set_desktop_surface(surface);
 405         ivi_layout_desktop_committed(surface);
 406 }
 407
 408 void
 409 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 410 {
 411         struct ivi_output *out;
 412
 413         wl_list_for_each(out, &ivi->outputs, link) {
 414                 create_black_surface_view(out);
 415                 insert_black_surface(out);
 416         }
 417 }
 418
 419 int
 420 ivi_shell_init(struct ivi_compositor *ivi)
 421 {
 422         weston_layer_init(&ivi->hidden, ivi->compositor);
 423         weston_layer_init(&ivi->background, ivi->compositor);
 424         weston_layer_init(&ivi->normal, ivi->compositor);
 425         weston_layer_init(&ivi->panel, ivi->compositor);
 426         weston_layer_init(&ivi->popup, ivi->compositor);
 427         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 428
 429         weston_layer_set_position(&ivi->hidden,
 430                                   WESTON_LAYER_POSITION_HIDDEN);
 431         weston_layer_set_position(&ivi->background,
 432                                   WESTON_LAYER_POSITION_BACKGROUND);
 433         weston_layer_set_position(&ivi->normal,
 434                                   WESTON_LAYER_POSITION_NORMAL);
 435         weston_layer_set_position(&ivi->panel,
 436                                   WESTON_LAYER_POSITION_UI);
 437         weston_layer_set_position(&ivi->popup,
 438                                   WESTON_LAYER_POSITION_TOP_UI);
 439         weston_layer_set_position(&ivi->fullscreen,
 440                                   WESTON_LAYER_POSITION_FULLSCREEN);
 441
 442         return 0;
 443 }
 444
 445 static void
 446 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 447 {
 448         struct ivi_surface *surface;
 449
 450         wl_list_for_each(surface, &ivi->surfaces, link) {
 451                 const char *app_id =
 452                         weston_desktop_surface_get_app_id(surface->dsurface);
 453                 if (app_id == NULL) {
 454                         weston_log("WARNING app_is is null, unable to advertise\n");
 455                         return;
 456                 }
 457                 agl_shell_desktop_send_application(resource, app_id);
 458         }
 459 }
 460
 461 static void
 462 client_exec(const char *command, int fd)
 463 {
 464         sigset_t sig;
 465         char s[32];
 466
 467         /* Don't give the child our signal mask */
 468         sigfillset(&sig);
 469         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 470
 471         /* Launch clients as the user; don't give them the wrong euid */
 472         if (seteuid(getuid()) == -1) {
 473                 weston_log("seteuid failed: %s\n", strerror(errno));
 474                 return;
 475         }
 476
 477         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 478          * clobbering fd, as we'll exit/exec either way.
 479          */
 480         fd = dup(fd);
 481         if (fd == -1) {
 482                 weston_log("dup failed: %s\n", strerror(errno));
 483                 return;
 484         }
 485
 486         snprintf(s, sizeof s, "%d", fd);
 487         setenv("WAYLAND_SOCKET", s, 1);
 488
 489         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 490         weston_log("executing '%s' failed: %s", command, strerror(errno));
 491 }
 492
 493 static struct wl_client *
 494 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 495 {
 496         struct wl_client *client;
 497         int sock[2];
 498         pid_t pid;
 499
 500         weston_log("launching' %s'\n", command);
 501
 502         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 503                 weston_log("socketpair failed while launching '%s': %s\n",
 504                            command, strerror(errno));
 505                 return NULL;
 506         }
 507
 508         pid = fork();
 509         if (pid == -1) {
 510                 close(sock[0]);
 511                 close(sock[1]);
 512                 weston_log("fork failed while launching '%s': %s\n",
 513                            command, strerror(errno));
 514                 return NULL;
 515         }
 516
 517         if (pid == 0) {
 518                 client_exec(command, sock[1]);
 519                 _Exit(EXIT_FAILURE);
 520         }
 521         close(sock[1]);
 522
 523         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 524         if (!client) {
 525                 close(sock[0]);
 526                 weston_log("Failed to create wayland client for '%s'",
 527                            command);
 528                 return NULL;
 529         }
 530
 531         return client;
 532 }
 533
 534 int
 535 ivi_launch_shell_client(struct ivi_compositor *ivi)
 536 {
 537         struct weston_config_section *section;
 538         char *command = NULL;
 539
 540         section = weston_config_get_section(ivi->config, "shell-client",
 541                                             NULL, NULL);
 542         if (section)
 543                 weston_config_section_get_string(section, "command",
 544                                                  &command, NULL);
 545
 546         if (!command)
 547                 return -1;
 548
 549         ivi->shell_client.client = launch_shell_client(ivi, command);
 550         if (!ivi->shell_client.client)
 551                 return -1;
 552
 553         return 0;
 554 }
 555
 556 static void
 557 destroy_black_view(struct wl_listener *listener, void *data)
 558 {
 559         struct fullscreen_view *fs =
 560                 wl_container_of(listener, fs, fs_destroy);
 561
 562
 563         if (fs && fs->fs) {
 564                 wl_list_remove(&fs->fs_destroy.link);
 565                 free(fs->fs);
 566         }
 567 }
 568
 569
 570 static void
 571 create_black_surface_view(struct ivi_output *output)
 572 {
 573         struct weston_surface *surface = NULL;
 574         struct weston_view *view;
 575         struct ivi_compositor *ivi = output->ivi;
 576         struct weston_compositor *wc= ivi->compositor;
 577         struct weston_output *woutput = output->output;
 578
 579         surface = weston_surface_create(wc);
 580         view = weston_view_create(surface);
 581
 582         assert(view || surface);
 583
 584         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 585         weston_surface_set_size(surface, woutput->width, woutput->height);
 586         weston_view_set_position(view, woutput->x, woutput->y);
 587
 588         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 589         output->fullscreen_view.fs->view = view;
 590
 591         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 592         wl_signal_add(&woutput->destroy_signal,
 593                       &output->fullscreen_view.fs_destroy);
 594 }
 595
 596 void
 597 remove_black_surface(struct ivi_output *output)
 598 {
 599         struct weston_view *view;
 600
 601         if (!output &&
 602             !output->fullscreen_view.fs &&
 603             !output->fullscreen_view.fs->view) {
 604                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 605                 return;
 606         }
 607
 608         view = output->fullscreen_view.fs->view;
 609         assert(view->is_mapped == true ||
 610                view->surface->is_mapped == true);
 611
 612         view->is_mapped = false;
 613         view->surface->is_mapped = false;
 614
 615         weston_layer_entry_remove(&view->layer_link);
 616         weston_view_update_transform(view);
 617
 618         weston_output_damage(output->output);
 619 }
 620
 621 void
 622 insert_black_surface(struct ivi_output *output)
 623 {
 624         struct weston_view *view;
 625
 626         if (!output &&
 627             !output->fullscreen_view.fs &&
 628             !output->fullscreen_view.fs->view) {
 629                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 630                 return;
 631         }
 632
 633         view = output->fullscreen_view.fs->view;
 634         if (view->is_mapped || view->surface->is_mapped)
 635                 return;
 636
 637         weston_layer_entry_remove(&view->layer_link);
 638         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 639                                   &view->layer_link);
 640
 641         view->is_mapped = true;
 642         view->surface->is_mapped = true;
 643
 644         weston_view_update_transform(view);
 645         weston_output_damage(output->output);
 646 }
 647
 648 static void
 649 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 650 {
 651         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 652         struct ivi_output *output;
 653         struct ivi_surface *surface, *tmp;
 654
 655         /* Init already finished. Do nothing */
 656         if (ivi->shell_client.ready)
 657                 return;
 658
 659         ivi->shell_client.ready = true;
 660
 661         wl_list_for_each(output, &ivi->outputs, link) {
 662                 if (output->background)
 663                         remove_black_surface(output);
 664                 ivi_layout_init(ivi, output);
 665         }
 666
 667         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 668                 wl_list_remove(&surface->link);
 669                 ivi_check_pending_desktop_surface(surface);
 670         }
 671 }
 672
 673 static void
 674 shell_set_background(struct wl_client *client,
 675                      struct wl_resource *shell_res,
 676                      struct wl_resource *surface_res,
 677                      struct wl_resource *output_res)
 678 {
 679         struct weston_head *head = weston_head_from_resource(output_res);
 680         struct weston_output *woutput = weston_head_get_output(head);
 681         struct ivi_output *output = to_ivi_output(woutput);
 682         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 683         struct weston_desktop_surface *dsurface;
 684         struct ivi_surface *surface;
 685
 686         dsurface = weston_surface_get_desktop_surface(wsurface);
 687         if (!dsurface) {
 688                 wl_resource_post_error(shell_res,
 689                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 690                                        "surface must be a desktop surface");
 691                 return;
 692         }
 693
 694         surface = weston_desktop_surface_get_user_data(dsurface);
 695         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 696                 wl_resource_post_error(shell_res,
 697                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 698                                        "surface already has another ivi role");
 699                 return;
 700         }
 701
 702         if (output->background) {
 703                 wl_resource_post_error(shell_res,
 704                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 705                                        "output already has background");
 706                 return;
 707         }
 708
 709         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 710         surface->bg.output = output;
 711         wl_list_remove(&surface->link);
 712         wl_list_init(&surface->link);
 713
 714         output->background = surface;
 715
 716         weston_desktop_surface_set_maximized(dsurface, true);
 717         weston_desktop_surface_set_size(dsurface,
 718                                         output->output->width,
 719                                         output->output->height);
 720 }
 721
 722 static void
 723 shell_set_panel(struct wl_client *client,
 724                 struct wl_resource *shell_res,
 725                 struct wl_resource *surface_res,
 726                 struct wl_resource *output_res,
 727                 uint32_t edge)
 728 {
 729         struct weston_head *head = weston_head_from_resource(output_res);
 730         struct weston_output *woutput = weston_head_get_output(head);
 731         struct ivi_output *output = to_ivi_output(woutput);
 732         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 733         struct weston_desktop_surface *dsurface;
 734         struct ivi_surface *surface;
 735         struct ivi_surface **member;
 736         int32_t width = 0, height = 0;
 737
 738         dsurface = weston_surface_get_desktop_surface(wsurface);
 739         if (!dsurface) {
 740                 wl_resource_post_error(shell_res,
 741                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 742                                        "surface must be a desktop surface");
 743                 return;
 744         }
 745
 746         surface = weston_desktop_surface_get_user_data(dsurface);
 747         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 748                 wl_resource_post_error(shell_res,
 749                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 750                                        "surface already has another ivi role");
 751                 return;
 752         }
 753
 754         switch (edge) {
 755         case AGL_SHELL_EDGE_TOP:
 756                 member = &output->top;
 757                 break;
 758         case AGL_SHELL_EDGE_BOTTOM:
 759                 member = &output->bottom;
 760                 break;
 761         case AGL_SHELL_EDGE_LEFT:
 762                 member = &output->left;
 763                 break;
 764         case AGL_SHELL_EDGE_RIGHT:
 765                 member = &output->right;
 766                 break;
 767         default:
 768                 wl_resource_post_error(shell_res,
 769                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 770                                        "invalid edge for panel");
 771                 return;
 772         }
 773
 774         if (*member) {
 775                 wl_resource_post_error(shell_res,
 776                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 777                                        "output already has panel on this edge");
 778                 return;
 779         }
 780
 781         surface->role = IVI_SURFACE_ROLE_PANEL;
 782         surface->panel.output = output;
 783         surface->panel.edge = edge;
 784         wl_list_remove(&surface->link);
 785         wl_list_init(&surface->link);
 786
 787         *member = surface;
 788
 789         switch (surface->panel.edge) {
 790         case AGL_SHELL_EDGE_TOP:
 791         case AGL_SHELL_EDGE_BOTTOM:
 792                 width = woutput->width;
 793                 break;
 794         case AGL_SHELL_EDGE_LEFT:
 795         case AGL_SHELL_EDGE_RIGHT:
 796                 height = woutput->height;
 797                 break;
 798         }
 799
 800         weston_desktop_surface_set_size(dsurface, width, height);
 801 }
 802
 803 void
 804 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 805                           const char *data, uint32_t app_state)
 806 {
 807         struct desktop_client *dclient;
 808         uint32_t app_role;
 809         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 810         struct ivi_policy *policy = ivi->policy;
 811
 812         /* FIXME: should queue it here and see when binding agl-shell-desktop
 813          * if there are any to be sent */
 814         if (!surf)
 815                 return;
 816
 817         if (!app_id)
 818                 return;
 819
 820         if (policy && policy->api.surface_advertise_state_change &&
 821             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 822                 return;
 823         }
 824
 825         app_role = surf->role;
 826         if (app_role == IVI_SURFACE_ROLE_POPUP)
 827                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 828
 829         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 830                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 831                                                  data, app_state, app_role);
 832 }
 833
 834 static void
 835 shell_activate_app(struct wl_client *client,
 836                    struct wl_resource *shell_res,
 837                    const char *app_id,
 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 }
 846
 847 static void
 848 shell_desktop_activate_app(struct wl_client *client,
 849                            struct wl_resource *shell_res,
 850                            const char *app_id, const char *data,
 851                            struct wl_resource *output_res)
 852 {
 853         struct weston_head *head = weston_head_from_resource(output_res);
 854         struct weston_output *woutput = weston_head_get_output(head);
 855         struct ivi_output *output = to_ivi_output(woutput);
 856
 857         ivi_layout_activate(output, app_id);
 858         shell_advertise_app_state(output->ivi, app_id,
 859                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 860 }
 861
 862 static void
 863 shell_deactivate_app(struct wl_client *client,
 864                    struct wl_resource *shell_res,
 865                    const char *app_id)
 866 {
 867         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
 868         struct ivi_compositor *ivi = dclient->ivi;
 869
 870         ivi_layout_deactivate(ivi, app_id);
 871         shell_advertise_app_state(ivi, app_id,
 872                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
 873 }
 874
 875 static const struct agl_shell_interface agl_shell_implementation = {
 876         .ready = shell_ready,
 877         .set_background = shell_set_background,
 878         .set_panel = shell_set_panel,
 879         .activate_app = shell_activate_app,
 880 };
 881
 882 static void
 883 shell_desktop_set_app_property(struct wl_client *client,
 884                                struct wl_resource *shell_res,
 885                                const char *app_id, uint32_t role,
 886                                int x, int y, int bx, int by,
 887                                int width, int height,
 888                                struct wl_resource *output_res)
 889 {
 890         struct weston_head *head = weston_head_from_resource(output_res);
 891         struct weston_output *woutput = weston_head_get_output(head);
 892         struct ivi_output *output = to_ivi_output(woutput);
 893
 894         switch (role) {
 895         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
 896                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
 897                                                       width, height, app_id);
 898                 break;
 899         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
 900                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
 901                 break;
 902         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
 903         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
 904                 ivi_set_pending_desktop_surface_split(output, app_id, role);
 905                 break;
 906         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
 907                 ivi_set_pending_desktop_surface_remote(output, app_id);
 908                 break;
 909         default:
 910                 break;
 911         }
 912 }
 913
 914 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
 915         .activate_app = shell_desktop_activate_app,
 916         .set_app_property = shell_desktop_set_app_property,
 917         .deactivate_app = shell_deactivate_app,
 918 };
 919
 920 static void
 921 unbind_agl_shell(struct wl_resource *resource)
 922 {
 923         struct ivi_compositor *ivi;
 924         struct ivi_output *output;
 925         struct ivi_surface *surf, *surf_tmp;
 926
 927         ivi = wl_resource_get_user_data(resource);
 928         wl_list_for_each(output, &ivi->outputs, link) {
 929                 /* reset the active surf if there's one present */
 930                 if (output->active) {
 931                         output->active->view->is_mapped = false;
 932                         output->active->view->surface->is_mapped = false;
 933
 934                         weston_layer_entry_remove(&output->active->view->layer_link);
 935                         output->active = NULL;
 936                 }
 937
 938                 insert_black_surface(output);
 939         }
 940
 941         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
 942                 wl_list_remove(&surf->link);
 943                 wl_list_init(&surf->link);
 944         }
 945
 946         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
 947                 wl_list_remove(&surf->link);
 948                 wl_list_init(&surf->link);
 949         }
 950
 951         wl_list_init(&ivi->surfaces);
 952         wl_list_init(&ivi->pending_surfaces);
 953
 954         ivi->shell_client.ready = false;
 955         ivi->shell_client.resource = NULL;
 956         ivi->shell_client.client = NULL;
 957 }
 958
 959 static void
 960 bind_agl_shell(struct wl_client *client,
 961                void *data, uint32_t version, uint32_t id)
 962 {
 963         struct ivi_compositor *ivi = data;
 964         struct wl_resource *resource;
 965         struct ivi_policy *policy;
 966         void *interface;
 967
 968         policy = ivi->policy;
 969         interface = (void *) &agl_shell_interface;
 970         if (policy && policy->api.shell_bind_interface &&
 971             !policy->api.shell_bind_interface(client, interface)) {
 972                 wl_client_post_implementation_error(client,
 973                                        "client not authorized to use agl_shell");
 974                 return;
 975         }
 976
 977         resource = wl_resource_create(client, &agl_shell_interface,
 978                                       1, id);
 979         if (!resource) {
 980                 wl_client_post_no_memory(client);
 981                 return;
 982         }
 983
 984 #if 0
 985         if (ivi->shell_client.client != client) {
 986                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 987                                        "client not authorized to use agl_shell");
 988                 return;
 989         }
 990 #endif
 991
 992         if (ivi->shell_client.resource) {
 993                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
 994                                        "agl_shell has already been bound");
 995                 return;
 996         }
 997
 998         wl_resource_set_implementation(resource, &agl_shell_implementation,
 999                                        ivi, unbind_agl_shell);
1000         ivi->shell_client.resource = resource;
1001 }
1002
1003 static void
1004 unbind_agl_shell_desktop(struct wl_resource *resource)
1005 {
1006         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1007
1008         wl_list_remove(&dclient->link);
1009         free(dclient);
1010 }
1011
1012 static void
1013 bind_agl_shell_desktop(struct wl_client *client,
1014                        void *data, uint32_t version, uint32_t id)
1015 {
1016         struct ivi_compositor *ivi = data;
1017         struct wl_resource *resource;
1018         struct ivi_policy *policy;
1019         struct desktop_client *dclient;
1020         void *interface;
1021
1022         policy = ivi->policy;
1023         interface  = (void *) &agl_shell_desktop_interface;
1024         if (policy && policy->api.shell_bind_interface &&
1025             !policy->api.shell_bind_interface(client, interface)) {
1026                 wl_client_post_implementation_error(client,
1027                                 "client not authorized to use agl_shell_desktop");
1028                 return;
1029         }
1030
1031         dclient = zalloc(sizeof(*dclient));
1032         if (!dclient) {
1033                 wl_client_post_no_memory(client);
1034                 return;
1035         }
1036
1037         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1038                                       version, id);
1039         dclient->ivi = ivi;
1040         if (!resource) {
1041                 wl_client_post_no_memory(client);
1042                 return;
1043         }
1044
1045         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1046                                        dclient, unbind_agl_shell_desktop);
1047
1048         dclient->resource = resource;
1049         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1050
1051         /* advertise xdg surfaces */
1052         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1053 }
1054
1055 int
1056 ivi_shell_create_global(struct ivi_compositor *ivi)
1057 {
1058         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1059                                           &agl_shell_interface, 1,
1060                                           ivi, bind_agl_shell);
1061         if (!ivi->agl_shell) {
1062                 weston_log("Failed to create wayland global.\n");
1063                 return -1;
1064         }
1065
1066         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1067                                                   &agl_shell_desktop_interface, 1,
1068                                                   ivi, bind_agl_shell_desktop);
1069         if (!ivi->agl_shell_desktop) {
1070                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1071                 return -1;
1072         }
1073
1074         return 0;
1075 }