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 #ifdef HAVE_WALTHAM
  46 #include <waltham-transmitter/transmitter_api.h>
  47 #endif
  48
  49 static void
  50 create_black_surface_view(struct ivi_output *output);
  51
  52 void
  53 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
  54                                            struct ivi_surface *surface)
  55 {
  56         struct desktop_client *dclient;
  57
  58         if (surface->advertised_on_launch)
  59                 return;
  60
  61         /* advertise to all desktop clients the new surface */
  62         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  63                 const char *app_id =
  64                         weston_desktop_surface_get_app_id(surface->dsurface);
  65                 if (app_id == NULL) {
  66                         weston_log("WARNING app_is is null, unable to advertise\n");
  67                         return;
  68                 }
  69                 agl_shell_desktop_send_application(dclient->resource, app_id);
  70                 surface->advertised_on_launch = true;
  71         }
  72 }
  73
  74 void
  75 ivi_set_desktop_surface(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_DESKTOP;
  81         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  82
  83         agl_shell_desktop_advertise_application_id(ivi, surface);
  84 }
  85
  86 static void
  87 ivi_set_desktop_surface_popup(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_POPUP;
  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_fullscreen(struct ivi_surface *surface)
 100 {
 101         struct ivi_compositor *ivi = surface->ivi;
 102         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 103
 104         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
 105         wl_list_insert(&ivi->surfaces, &surface->link);
 106
 107         agl_shell_desktop_advertise_application_id(ivi, surface);
 108 }
 109
 110 static void
 111 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 112 {
 113         struct ivi_compositor *ivi = surface->ivi;
 114         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
 115         struct weston_transmitter *transmitter;
 116         struct weston_transmitter_remote *trans_remote;
 117         struct weston_surface *weston_surface;
 118         struct weston_output *woutput = surface->remote.output->output;
 119         const char *app_id;
 120
 121         if (!api)
 122                 return;
 123
 124         transmitter = api->transmitter_get(ivi->compositor);
 125         if (!transmitter)
 126                 return;
 127
 128         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
 129         if (!trans_remote) {
 130                 weston_log("Could not find a valie weston_transmitter_remote "
 131                                 "that matches the output %s\n", woutput->name);
 132                 return;
 133         }
 134
 135         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
 136         weston_surface =
 137                 weston_desktop_surface_get_surface(surface->dsurface);
 138
 139         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
 140
 141         /* this will have the effect of informing the remote side to create a
 142          * surface with the name app_id. W/ xdg-shell the following happens:
 143          *
 144          * compositor (server):
 145          * surface_push_to_remote():
 146          *      waltham-transmitter plug-in
 147          *              -> wthp_ivi_app_id_surface_create()
 148          *
 149          * client -- on the receiver side:
 150          *      -> wthp_ivi_app_id_surface_create()
 151          *              -> wth_receiver_weston_main()
 152          *                      -> wl_compositor_create_surface()
 153          *                      -> xdg_wm_base_get_xdg_surface
 154          *                      -> xdg_toplevel_set_app_id()
 155          *                      -> gst_init()
 156          *                      -> gst_parse_launch()
 157          *
 158          * wth_receiver_weston_main() will be invoked from the handler of
 159          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
 160          * the gstreamer pipeline as well.
 161          */
 162         api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
 163 }
 164
 165 static void
 166 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 167 {
 168         struct ivi_compositor *ivi = surface->ivi;
 169         struct weston_view *view;
 170         struct ivi_output *output = surface->remote.output;
 171
 172         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 173
 174         /* remote type are the same as desktop just that client can tell
 175          * the compositor to start on another output */
 176         surface->role = IVI_SURFACE_ROLE_REMOTE;
 177
 178         /* if thew black surface view is mapped on the mean we need
 179          * to remove it in order to start showing the 'remote' surface
 180          * just being added */
 181         view = output->fullscreen_view.fs->view;
 182         if (view->is_mapped || view->surface->is_mapped)
 183                 remove_black_surface(output);
 184
 185         if (output->type == OUTPUT_WALTHAM)
 186                 ivi_output_notify_waltham_plugin(surface);
 187
 188         wl_list_insert(&ivi->surfaces, &surface->link);
 189 }
 190
 191
 192 static void
 193 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 194 {
 195         struct ivi_compositor *ivi = surface->ivi;
 196         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 197
 198         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 199                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 200         else
 201                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 202
 203         wl_list_insert(&ivi->surfaces, &surface->link);
 204
 205         agl_shell_desktop_advertise_application_id(ivi, surface);
 206 }
 207
 208 static void
 209 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput,
 210                                       int x, int y, int bx, int by, int width, int height,
 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_popup *p_popup = zalloc(sizeof(*p_popup));
 217
 218         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 219         memcpy(p_popup->app_id, app_id, len_app_id);
 220         p_popup->ioutput = ioutput;
 221         p_popup->x = x;
 222         p_popup->y = y;
 223
 224         p_popup->bb.x = bx;
 225         p_popup->bb.y = by;
 226         p_popup->bb.width = width;
 227         p_popup->bb.height = height;
 228
 229         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 230 }
 231
 232 static void
 233 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 234                                            const char *app_id)
 235 {
 236         struct ivi_compositor *ivi = ioutput->ivi;
 237         size_t len_app_id = strlen(app_id);
 238
 239         struct pending_fullscreen *fs = zalloc(sizeof(*fs));
 240
 241         fs->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 242         memcpy(fs->app_id, app_id, len_app_id);
 243
 244         fs->ioutput = ioutput;
 245
 246         wl_list_insert(&ivi->fullscreen_pending_apps, &fs->link);
 247 }
 248
 249 static void
 250 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 251                                       const char *app_id, uint32_t orientation)
 252 {
 253         struct ivi_compositor *ivi = ioutput->ivi;
 254         struct ivi_surface *surf;
 255         size_t len_app_id = strlen(app_id);
 256         struct pending_split *split;
 257
 258         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 259             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 260                 return;
 261
 262         /* more than one is un-supported, do note we need to do
 263          * conversion for surface roles instead of using the protocol ones */
 264         wl_list_for_each(surf, &ivi->surfaces, link)
 265                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 266                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 267                         return;
 268
 269         split = zalloc(sizeof(*split));
 270         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 271         memcpy(split->app_id, app_id, len_app_id);
 272
 273         split->ioutput = ioutput;
 274         split->orientation = orientation;
 275
 276         wl_list_insert(&ivi->split_pending_apps, &split->link);
 277 }
 278
 279 void
 280 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 281                 const char *app_id)
 282 {
 283         struct ivi_compositor *ivi = ioutput->ivi;
 284         size_t len_app_id = strlen(app_id);
 285
 286         struct pending_remote *remote = zalloc(sizeof(*remote));
 287
 288         remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 289         memcpy(remote->app_id, app_id, len_app_id);
 290
 291         remote->ioutput = ioutput;
 292
 293         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
 294 }
 295
 296
 297 static void
 298 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 299 {
 300         free(split->app_id);
 301         wl_list_remove(&split->link);
 302         free(split);
 303 }
 304
 305 static void
 306 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 307 {
 308         free(fs->app_id);
 309         wl_list_remove(&fs->link);
 310         free(fs);
 311 }
 312
 313 static void
 314 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 315 {
 316         free(p_popup->app_id);
 317         wl_list_remove(&p_popup->link);
 318         free(p_popup);
 319 }
 320
 321 static void
 322 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 323 {
 324         free(remote->app_id);
 325         wl_list_remove(&remote->link);
 326         free(remote);
 327 }
 328
 329 static bool
 330 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 331 {
 332         struct ivi_compositor *ivi = surface->ivi;
 333         struct pending_popup *p_popup, *next_p_popup;
 334         const char *_app_id =
 335                         weston_desktop_surface_get_app_id(surface->dsurface);
 336
 337         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
 338                 return false;
 339
 340         wl_list_for_each_safe(p_popup, next_p_popup,
 341                               &ivi->popup_pending_apps, link) {
 342                 if (!strcmp(_app_id, p_popup->app_id)) {
 343                         surface->popup.output = p_popup->ioutput;
 344                         surface->popup.x = p_popup->x;
 345                         surface->popup.y = p_popup->y;
 346
 347                         surface->popup.bb.x = p_popup->bb.x;
 348                         surface->popup.bb.y = p_popup->bb.y;
 349                         surface->popup.bb.width = p_popup->bb.width;
 350                         surface->popup.bb.height = p_popup->bb.height;
 351
 352                         ivi_remove_pending_desktop_surface_popup(p_popup);
 353                         return true;
 354                 }
 355         }
 356
 357         return false;
 358 }
 359
 360 static bool
 361 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 362 {
 363         struct pending_split *split_surf, *next_split_surf;
 364         struct ivi_compositor *ivi = surface->ivi;
 365         const char *_app_id =
 366                         weston_desktop_surface_get_app_id(surface->dsurface);
 367
 368         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
 369                 return false;
 370
 371         wl_list_for_each_safe(split_surf, next_split_surf,
 372                               &ivi->split_pending_apps, link) {
 373                 if (!strcmp(_app_id, split_surf->app_id)) {
 374                         surface->split.output = split_surf->ioutput;
 375                         surface->split.orientation = split_surf->orientation;
 376                         ivi_remove_pending_desktop_surface_split(split_surf);
 377                         return true;
 378                 }
 379         }
 380
 381         return false;
 382 }
 383
 384 static bool
 385 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 386 {
 387         struct pending_fullscreen *fs_surf, *next_fs_surf;
 388         struct ivi_compositor *ivi = surface->ivi;
 389         const char *_app_id =
 390                         weston_desktop_surface_get_app_id(surface->dsurface);
 391
 392         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
 393                 return false;
 394
 395         wl_list_for_each_safe(fs_surf, next_fs_surf,
 396                               &ivi->fullscreen_pending_apps, link) {
 397                 if (!strcmp(_app_id, fs_surf->app_id)) {
 398                         surface->fullscreen.output = fs_surf->ioutput;
 399                         ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 400                         return true;
 401                 }
 402         }
 403
 404         return false;
 405 }
 406
 407 static bool
 408 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 409 {
 410         struct pending_remote *remote_surf, *next_remote_surf;
 411         struct ivi_compositor *ivi = surface->ivi;
 412         const char *_app_id =
 413                 weston_desktop_surface_get_app_id(surface->dsurface);
 414
 415         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
 416                 return false;
 417
 418         wl_list_for_each_safe(remote_surf, next_remote_surf,
 419                               &ivi->remote_pending_apps, link) {
 420                 if (!strcmp(_app_id, remote_surf->app_id)) {
 421                         surface->remote.output = remote_surf->ioutput;
 422                         ivi_remove_pending_desktop_surface_remote(remote_surf);
 423                         return true;
 424                 }
 425         }
 426
 427         return false;
 428 }
 429
 430
 431 void
 432 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 433 {
 434         bool ret = false;
 435
 436         ret = ivi_check_pending_desktop_surface_popup(surface);
 437         if (ret) {
 438                 ivi_set_desktop_surface_popup(surface);
 439                 ivi_layout_popup_committed(surface);
 440                 return;
 441         }
 442
 443         ret = ivi_check_pending_desktop_surface_split(surface);
 444         if (ret) {
 445                 ivi_set_desktop_surface_split(surface);
 446                 ivi_layout_split_committed(surface);
 447                 return;
 448         }
 449
 450         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 451         if (ret) {
 452                 ivi_set_desktop_surface_fullscreen(surface);
 453                 ivi_layout_fullscreen_committed(surface);
 454                 return;
 455         }
 456
 457         ret = ivi_check_pending_desktop_surface_remote(surface);
 458         if (ret) {
 459                 ivi_set_desktop_surface_remote(surface);
 460                 ivi_layout_desktop_committed(surface);
 461                 return;
 462         }
 463
 464         /* if we end up here means we have a regular desktop app and
 465          * try to activate it */
 466         ivi_set_desktop_surface(surface);
 467         ivi_layout_desktop_committed(surface);
 468 }
 469
 470 void
 471 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 472 {
 473         struct ivi_output *out;
 474
 475         wl_list_for_each(out, &ivi->outputs, link) {
 476                 create_black_surface_view(out);
 477                 insert_black_surface(out);
 478         }
 479 }
 480
 481 int
 482 ivi_shell_init(struct ivi_compositor *ivi)
 483 {
 484         weston_layer_init(&ivi->hidden, ivi->compositor);
 485         weston_layer_init(&ivi->background, ivi->compositor);
 486         weston_layer_init(&ivi->normal, ivi->compositor);
 487         weston_layer_init(&ivi->panel, ivi->compositor);
 488         weston_layer_init(&ivi->popup, ivi->compositor);
 489         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 490
 491         weston_layer_set_position(&ivi->hidden,
 492                                   WESTON_LAYER_POSITION_HIDDEN);
 493         weston_layer_set_position(&ivi->background,
 494                                   WESTON_LAYER_POSITION_BACKGROUND);
 495         weston_layer_set_position(&ivi->normal,
 496                                   WESTON_LAYER_POSITION_NORMAL);
 497         weston_layer_set_position(&ivi->panel,
 498                                   WESTON_LAYER_POSITION_UI);
 499         weston_layer_set_position(&ivi->popup,
 500                                   WESTON_LAYER_POSITION_TOP_UI);
 501         weston_layer_set_position(&ivi->fullscreen,
 502                                   WESTON_LAYER_POSITION_FULLSCREEN);
 503
 504         return 0;
 505 }
 506
 507 static void
 508 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 509 {
 510         struct ivi_surface *surface;
 511
 512         wl_list_for_each(surface, &ivi->surfaces, link) {
 513                 const char *app_id =
 514                         weston_desktop_surface_get_app_id(surface->dsurface);
 515                 if (app_id == NULL) {
 516                         weston_log("WARNING app_is is null, unable to advertise\n");
 517                         return;
 518                 }
 519                 agl_shell_desktop_send_application(resource, app_id);
 520         }
 521 }
 522
 523 static void
 524 client_exec(const char *command, int fd)
 525 {
 526         sigset_t sig;
 527         char s[32];
 528
 529         /* Don't give the child our signal mask */
 530         sigfillset(&sig);
 531         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 532
 533         /* Launch clients as the user; don't give them the wrong euid */
 534         if (seteuid(getuid()) == -1) {
 535                 weston_log("seteuid failed: %s\n", strerror(errno));
 536                 return;
 537         }
 538
 539         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 540          * clobbering fd, as we'll exit/exec either way.
 541          */
 542         fd = dup(fd);
 543         if (fd == -1) {
 544                 weston_log("dup failed: %s\n", strerror(errno));
 545                 return;
 546         }
 547
 548         snprintf(s, sizeof s, "%d", fd);
 549         setenv("WAYLAND_SOCKET", s, 1);
 550
 551         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 552         weston_log("executing '%s' failed: %s", command, strerror(errno));
 553 }
 554
 555 static struct wl_client *
 556 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 557 {
 558         struct wl_client *client;
 559         int sock[2];
 560         pid_t pid;
 561
 562         weston_log("launching' %s'\n", command);
 563
 564         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 565                 weston_log("socketpair failed while launching '%s': %s\n",
 566                            command, strerror(errno));
 567                 return NULL;
 568         }
 569
 570         pid = fork();
 571         if (pid == -1) {
 572                 close(sock[0]);
 573                 close(sock[1]);
 574                 weston_log("fork failed while launching '%s': %s\n",
 575                            command, strerror(errno));
 576                 return NULL;
 577         }
 578
 579         if (pid == 0) {
 580                 client_exec(command, sock[1]);
 581                 _Exit(EXIT_FAILURE);
 582         }
 583         close(sock[1]);
 584
 585         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 586         if (!client) {
 587                 close(sock[0]);
 588                 weston_log("Failed to create wayland client for '%s'",
 589                            command);
 590                 return NULL;
 591         }
 592
 593         return client;
 594 }
 595
 596 int
 597 ivi_launch_shell_client(struct ivi_compositor *ivi)
 598 {
 599         struct weston_config_section *section;
 600         char *command = NULL;
 601
 602         section = weston_config_get_section(ivi->config, "shell-client",
 603                                             NULL, NULL);
 604         if (section)
 605                 weston_config_section_get_string(section, "command",
 606                                                  &command, NULL);
 607
 608         if (!command)
 609                 return -1;
 610
 611         ivi->shell_client.client = launch_shell_client(ivi, command);
 612         if (!ivi->shell_client.client)
 613                 return -1;
 614
 615         return 0;
 616 }
 617
 618 static void
 619 destroy_black_view(struct wl_listener *listener, void *data)
 620 {
 621         struct fullscreen_view *fs =
 622                 wl_container_of(listener, fs, fs_destroy);
 623
 624
 625         if (fs && fs->fs) {
 626                 wl_list_remove(&fs->fs_destroy.link);
 627                 free(fs->fs);
 628         }
 629 }
 630
 631
 632 static void
 633 create_black_surface_view(struct ivi_output *output)
 634 {
 635         struct weston_surface *surface = NULL;
 636         struct weston_view *view;
 637         struct ivi_compositor *ivi = output->ivi;
 638         struct weston_compositor *wc= ivi->compositor;
 639         struct weston_output *woutput = output->output;
 640
 641         if (!woutput)
 642                 return;
 643
 644         surface = weston_surface_create(wc);
 645         view = weston_view_create(surface);
 646
 647         assert(view || surface);
 648
 649         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 650         weston_surface_set_size(surface, woutput->width, woutput->height);
 651         weston_view_set_position(view, woutput->x, woutput->y);
 652
 653         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 654         output->fullscreen_view.fs->view = view;
 655
 656         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 657         wl_signal_add(&woutput->destroy_signal,
 658                       &output->fullscreen_view.fs_destroy);
 659 }
 660
 661 void
 662 remove_black_surface(struct ivi_output *output)
 663 {
 664         struct weston_view *view;
 665
 666         if (!output &&
 667             !output->fullscreen_view.fs &&
 668             !output->fullscreen_view.fs->view) {
 669                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 670                 return;
 671         }
 672
 673         view = output->fullscreen_view.fs->view;
 674         assert(view->is_mapped == true ||
 675                view->surface->is_mapped == true);
 676
 677         view->is_mapped = false;
 678         view->surface->is_mapped = false;
 679
 680         weston_layer_entry_remove(&view->layer_link);
 681         weston_view_update_transform(view);
 682
 683         weston_output_damage(output->output);
 684 }
 685
 686 void
 687 insert_black_surface(struct ivi_output *output)
 688 {
 689         struct weston_view *view;
 690
 691         if ((!output &&
 692             !output->fullscreen_view.fs &&
 693             !output->fullscreen_view.fs->view) || !output->output) {
 694                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 695                 return;
 696         }
 697
 698         view = output->fullscreen_view.fs->view;
 699         if (view->is_mapped || view->surface->is_mapped)
 700                 return;
 701
 702         weston_layer_entry_remove(&view->layer_link);
 703         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 704                                   &view->layer_link);
 705
 706         view->is_mapped = true;
 707         view->surface->is_mapped = true;
 708
 709         weston_view_update_transform(view);
 710         weston_output_damage(output->output);
 711 }
 712
 713 static void
 714 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 715 {
 716         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 717         struct ivi_output *output;
 718         struct ivi_surface *surface, *tmp;
 719
 720         /* Init already finished. Do nothing */
 721         if (ivi->shell_client.ready)
 722                 return;
 723
 724         ivi->shell_client.ready = true;
 725
 726         wl_list_for_each(output, &ivi->outputs, link) {
 727                 if (output->background)
 728                         remove_black_surface(output);
 729                 ivi_layout_init(ivi, output);
 730         }
 731
 732         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 733                 wl_list_remove(&surface->link);
 734                 ivi_check_pending_desktop_surface(surface);
 735         }
 736 }
 737
 738 static void
 739 shell_set_background(struct wl_client *client,
 740                      struct wl_resource *shell_res,
 741                      struct wl_resource *surface_res,
 742                      struct wl_resource *output_res)
 743 {
 744         struct weston_head *head = weston_head_from_resource(output_res);
 745         struct weston_output *woutput = weston_head_get_output(head);
 746         struct ivi_output *output = to_ivi_output(woutput);
 747         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 748         struct weston_desktop_surface *dsurface;
 749         struct ivi_surface *surface;
 750
 751         dsurface = weston_surface_get_desktop_surface(wsurface);
 752         if (!dsurface) {
 753                 wl_resource_post_error(shell_res,
 754                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 755                                        "surface must be a desktop surface");
 756                 return;
 757         }
 758
 759         surface = weston_desktop_surface_get_user_data(dsurface);
 760         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 761                 wl_resource_post_error(shell_res,
 762                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 763                                        "surface already has another ivi role");
 764                 return;
 765         }
 766
 767         if (output->background) {
 768                 wl_resource_post_error(shell_res,
 769                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 770                                        "output already has background");
 771                 return;
 772         }
 773
 774         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 775         surface->bg.output = output;
 776         wl_list_remove(&surface->link);
 777         wl_list_init(&surface->link);
 778
 779         output->background = surface;
 780
 781         weston_desktop_surface_set_maximized(dsurface, true);
 782         weston_desktop_surface_set_size(dsurface,
 783                                         output->output->width,
 784                                         output->output->height);
 785 }
 786
 787 static void
 788 shell_set_panel(struct wl_client *client,
 789                 struct wl_resource *shell_res,
 790                 struct wl_resource *surface_res,
 791                 struct wl_resource *output_res,
 792                 uint32_t edge)
 793 {
 794         struct weston_head *head = weston_head_from_resource(output_res);
 795         struct weston_output *woutput = weston_head_get_output(head);
 796         struct ivi_output *output = to_ivi_output(woutput);
 797         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 798         struct weston_desktop_surface *dsurface;
 799         struct ivi_surface *surface;
 800         struct ivi_surface **member;
 801         int32_t width = 0, height = 0;
 802
 803         dsurface = weston_surface_get_desktop_surface(wsurface);
 804         if (!dsurface) {
 805                 wl_resource_post_error(shell_res,
 806                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 807                                        "surface must be a desktop surface");
 808                 return;
 809         }
 810
 811         surface = weston_desktop_surface_get_user_data(dsurface);
 812         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 813                 wl_resource_post_error(shell_res,
 814                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 815                                        "surface already has another ivi role");
 816                 return;
 817         }
 818
 819         switch (edge) {
 820         case AGL_SHELL_EDGE_TOP:
 821                 member = &output->top;
 822                 break;
 823         case AGL_SHELL_EDGE_BOTTOM:
 824                 member = &output->bottom;
 825                 break;
 826         case AGL_SHELL_EDGE_LEFT:
 827                 member = &output->left;
 828                 break;
 829         case AGL_SHELL_EDGE_RIGHT:
 830                 member = &output->right;
 831                 break;
 832         default:
 833                 wl_resource_post_error(shell_res,
 834                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 835                                        "invalid edge for panel");
 836                 return;
 837         }
 838
 839         if (*member) {
 840                 wl_resource_post_error(shell_res,
 841                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 842                                        "output already has panel on this edge");
 843                 return;
 844         }
 845
 846         surface->role = IVI_SURFACE_ROLE_PANEL;
 847         surface->panel.output = output;
 848         surface->panel.edge = edge;
 849         wl_list_remove(&surface->link);
 850         wl_list_init(&surface->link);
 851
 852         *member = surface;
 853
 854         switch (surface->panel.edge) {
 855         case AGL_SHELL_EDGE_TOP:
 856         case AGL_SHELL_EDGE_BOTTOM:
 857                 width = woutput->width;
 858                 break;
 859         case AGL_SHELL_EDGE_LEFT:
 860         case AGL_SHELL_EDGE_RIGHT:
 861                 height = woutput->height;
 862                 break;
 863         }
 864
 865         weston_desktop_surface_set_size(dsurface, width, height);
 866 }
 867
 868 void
 869 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 870                           const char *data, uint32_t app_state)
 871 {
 872         struct desktop_client *dclient;
 873         uint32_t app_role;
 874         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 875         struct ivi_policy *policy = ivi->policy;
 876
 877         /* FIXME: should queue it here and see when binding agl-shell-desktop
 878          * if there are any to be sent */
 879         if (!surf)
 880                 return;
 881
 882         if (!app_id)
 883                 return;
 884
 885         if (policy && policy->api.surface_advertise_state_change &&
 886             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 887                 return;
 888         }
 889
 890         app_role = surf->role;
 891         if (app_role == IVI_SURFACE_ROLE_POPUP)
 892                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 893
 894         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 895                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 896                                                  data, app_state, app_role);
 897 }
 898
 899 static void
 900 shell_activate_app(struct wl_client *client,
 901                    struct wl_resource *shell_res,
 902                    const char *app_id,
 903                    struct wl_resource *output_res)
 904 {
 905         struct weston_head *head = weston_head_from_resource(output_res);
 906         struct weston_output *woutput = weston_head_get_output(head);
 907         struct ivi_output *output = to_ivi_output(woutput);
 908
 909         ivi_layout_activate(output, app_id);
 910 }
 911
 912 static void
 913 shell_desktop_activate_app(struct wl_client *client,
 914                            struct wl_resource *shell_res,
 915                            const char *app_id, const char *data,
 916                            struct wl_resource *output_res)
 917 {
 918         struct weston_head *head = weston_head_from_resource(output_res);
 919         struct weston_output *woutput = weston_head_get_output(head);
 920         struct ivi_output *output = to_ivi_output(woutput);
 921
 922         ivi_layout_activate(output, app_id);
 923         shell_advertise_app_state(output->ivi, app_id,
 924                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 925 }
 926
 927 static void
 928 shell_deactivate_app(struct wl_client *client,
 929                    struct wl_resource *shell_res,
 930                    const char *app_id)
 931 {
 932         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
 933         struct ivi_compositor *ivi = dclient->ivi;
 934
 935         ivi_layout_deactivate(ivi, app_id);
 936         shell_advertise_app_state(ivi, app_id,
 937                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
 938 }
 939
 940 static const struct agl_shell_interface agl_shell_implementation = {
 941         .ready = shell_ready,
 942         .set_background = shell_set_background,
 943         .set_panel = shell_set_panel,
 944         .activate_app = shell_activate_app,
 945 };
 946
 947 static void
 948 shell_desktop_set_app_property(struct wl_client *client,
 949                                struct wl_resource *shell_res,
 950                                const char *app_id, uint32_t role,
 951                                int x, int y, int bx, int by,
 952                                int width, int height,
 953                                struct wl_resource *output_res)
 954 {
 955         struct weston_head *head = weston_head_from_resource(output_res);
 956         struct weston_output *woutput = weston_head_get_output(head);
 957         struct ivi_output *output = to_ivi_output(woutput);
 958
 959         switch (role) {
 960         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
 961                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
 962                                                       width, height, app_id);
 963                 break;
 964         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
 965                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
 966                 break;
 967         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
 968         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
 969                 ivi_set_pending_desktop_surface_split(output, app_id, role);
 970                 break;
 971         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
 972                 ivi_set_pending_desktop_surface_remote(output, app_id);
 973                 break;
 974         default:
 975                 break;
 976         }
 977 }
 978
 979 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
 980         .activate_app = shell_desktop_activate_app,
 981         .set_app_property = shell_desktop_set_app_property,
 982         .deactivate_app = shell_deactivate_app,
 983 };
 984
 985 static void
 986 unbind_agl_shell(struct wl_resource *resource)
 987 {
 988         struct ivi_compositor *ivi;
 989         struct ivi_output *output;
 990         struct ivi_surface *surf, *surf_tmp;
 991
 992         ivi = wl_resource_get_user_data(resource);
 993         wl_list_for_each(output, &ivi->outputs, link) {
 994                 /* reset the active surf if there's one present */
 995                 if (output->active) {
 996                         output->active->view->is_mapped = false;
 997                         output->active->view->surface->is_mapped = false;
 998
 999                         weston_layer_entry_remove(&output->active->view->layer_link);
1000                         output->active = NULL;
1001                 }
1002
1003                 insert_black_surface(output);
1004         }
1005
1006         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1007                 wl_list_remove(&surf->link);
1008                 wl_list_init(&surf->link);
1009         }
1010
1011         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1012                 wl_list_remove(&surf->link);
1013                 wl_list_init(&surf->link);
1014         }
1015
1016         wl_list_init(&ivi->surfaces);
1017         wl_list_init(&ivi->pending_surfaces);
1018
1019         ivi->shell_client.ready = false;
1020         ivi->shell_client.resource = NULL;
1021         ivi->shell_client.client = NULL;
1022 }
1023
1024 static void
1025 bind_agl_shell(struct wl_client *client,
1026                void *data, uint32_t version, uint32_t id)
1027 {
1028         struct ivi_compositor *ivi = data;
1029         struct wl_resource *resource;
1030         struct ivi_policy *policy;
1031         void *interface;
1032
1033         policy = ivi->policy;
1034         interface = (void *) &agl_shell_interface;
1035         if (policy && policy->api.shell_bind_interface &&
1036             !policy->api.shell_bind_interface(client, interface)) {
1037                 wl_client_post_implementation_error(client,
1038                                        "client not authorized to use agl_shell");
1039                 return;
1040         }
1041
1042         resource = wl_resource_create(client, &agl_shell_interface,
1043                                       1, id);
1044         if (!resource) {
1045                 wl_client_post_no_memory(client);
1046                 return;
1047         }
1048
1049 #if 0
1050         if (ivi->shell_client.client != client) {
1051                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1052                                        "client not authorized to use agl_shell");
1053                 return;
1054         }
1055 #endif
1056
1057         if (ivi->shell_client.resource) {
1058                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1059                                        "agl_shell has already been bound");
1060                 return;
1061         }
1062
1063         wl_resource_set_implementation(resource, &agl_shell_implementation,
1064                                        ivi, unbind_agl_shell);
1065         ivi->shell_client.resource = resource;
1066 }
1067
1068 static void
1069 unbind_agl_shell_desktop(struct wl_resource *resource)
1070 {
1071         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1072
1073         wl_list_remove(&dclient->link);
1074         free(dclient);
1075 }
1076
1077 static void
1078 bind_agl_shell_desktop(struct wl_client *client,
1079                        void *data, uint32_t version, uint32_t id)
1080 {
1081         struct ivi_compositor *ivi = data;
1082         struct wl_resource *resource;
1083         struct ivi_policy *policy;
1084         struct desktop_client *dclient;
1085         void *interface;
1086
1087         policy = ivi->policy;
1088         interface  = (void *) &agl_shell_desktop_interface;
1089         if (policy && policy->api.shell_bind_interface &&
1090             !policy->api.shell_bind_interface(client, interface)) {
1091                 wl_client_post_implementation_error(client,
1092                                 "client not authorized to use agl_shell_desktop");
1093                 return;
1094         }
1095
1096         dclient = zalloc(sizeof(*dclient));
1097         if (!dclient) {
1098                 wl_client_post_no_memory(client);
1099                 return;
1100         }
1101
1102         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1103                                       version, id);
1104         dclient->ivi = ivi;
1105         if (!resource) {
1106                 wl_client_post_no_memory(client);
1107                 return;
1108         }
1109
1110         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1111                                        dclient, unbind_agl_shell_desktop);
1112
1113         dclient->resource = resource;
1114         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1115
1116         /* advertise xdg surfaces */
1117         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1118 }
1119
1120 int
1121 ivi_shell_create_global(struct ivi_compositor *ivi)
1122 {
1123         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1124                                           &agl_shell_interface, 1,
1125                                           ivi, bind_agl_shell);
1126         if (!ivi->agl_shell) {
1127                 weston_log("Failed to create wayland global.\n");
1128                 return -1;
1129         }
1130
1131         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1132                                                   &agl_shell_desktop_interface, 1,
1133                                                   ivi, bind_agl_shell_desktop);
1134         if (!ivi->agl_shell_desktop) {
1135                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1136                 return -1;
1137         }
1138
1139         return 0;
1140 }