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         static bool display_adv = false;
  58
  59         if (surface->advertised_on_launch)
  60                 return;
  61
  62         /* advertise to all desktop clients the new surface */
  63         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  64                 const char *app_id =
  65                         weston_desktop_surface_get_app_id(surface->dsurface);
  66                 if (app_id == NULL) {
  67                         if (!display_adv) {
  68                                 weston_log("WARNING app_is is null, unable to advertise\n");
  69                                 display_adv = true;
  70                         }
  71                         return;
  72                 }
  73                 agl_shell_desktop_send_application(dclient->resource, app_id);
  74                 surface->advertised_on_launch = true;
  75         }
  76 }
  77
  78 void
  79 ivi_set_desktop_surface(struct ivi_surface *surface)
  80 {
  81         struct ivi_compositor *ivi = surface->ivi;
  82         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  83
  84         surface->role = IVI_SURFACE_ROLE_DESKTOP;
  85         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  86
  87         agl_shell_desktop_advertise_application_id(ivi, surface);
  88 }
  89
  90 static void
  91 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
  92 {
  93         struct ivi_compositor *ivi = surface->ivi;
  94         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  95
  96         surface->role = IVI_SURFACE_ROLE_POPUP;
  97         wl_list_insert(&ivi->surfaces, &surface->link);
  98
  99         agl_shell_desktop_advertise_application_id(ivi, surface);
 100 }
 101
 102 static void
 103 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
 104 {
 105         struct ivi_compositor *ivi = surface->ivi;
 106         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 107
 108         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
 109         wl_list_insert(&ivi->surfaces, &surface->link);
 110
 111         agl_shell_desktop_advertise_application_id(ivi, surface);
 112 }
 113
 114 #ifdef HAVE_WALTHAM
 115 void
 116 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 117 {
 118         struct ivi_compositor *ivi = surface->ivi;
 119         const struct weston_transmitter_api *api =
 120                 ivi->waltham_transmitter_api;
 121
 122         if (!api)
 123                 return;
 124
 125         if (surface->waltham_surface.transmitter_surface)
 126                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
 127 }
 128
 129 static void
 130 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 131 {
 132         struct ivi_compositor *ivi = surface->ivi;
 133         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
 134         struct weston_transmitter *transmitter;
 135         struct weston_transmitter_remote *trans_remote;
 136         struct weston_surface *weston_surface;
 137         struct weston_output *woutput = surface->remote.output->output;
 138         const char *app_id;
 139
 140         if (!api)
 141                 return;
 142
 143         transmitter = api->transmitter_get(ivi->compositor);
 144         if (!transmitter)
 145                 return;
 146
 147         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
 148         if (!trans_remote) {
 149                 weston_log("Could not find a valie weston_transmitter_remote "
 150                                 "that matches the output %s\n", woutput->name);
 151                 return;
 152         }
 153
 154         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
 155         weston_surface =
 156                 weston_desktop_surface_get_surface(surface->dsurface);
 157
 158         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
 159
 160         /* this will have the effect of informing the remote side to create a
 161          * surface with the name app_id. W/ xdg-shell the following happens:
 162          *
 163          * compositor (server):
 164          * surface_push_to_remote():
 165          *      waltham-transmitter plug-in
 166          *              -> wthp_ivi_app_id_surface_create()
 167          *
 168          * client -- on the receiver side:
 169          *      -> wthp_ivi_app_id_surface_create()
 170          *              -> wth_receiver_weston_main()
 171          *                      -> wl_compositor_create_surface()
 172          *                      -> xdg_wm_base_get_xdg_surface
 173          *                      -> xdg_toplevel_set_app_id()
 174          *                      -> gst_init()
 175          *                      -> gst_parse_launch()
 176          *
 177          * wth_receiver_weston_main() will be invoked from the handler of
 178          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
 179          * the gstreamer pipeline as well.
 180          */
 181         surface->waltham_surface.transmitter_surface =
 182             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
 183 }
 184
 185 #else
 186 void
 187 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 188 {
 189 }
 190 static void
 191 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 192 {
 193 }
 194 #endif
 195
 196 static void
 197 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 198 {
 199         struct ivi_compositor *ivi = surface->ivi;
 200         struct weston_view *view;
 201         struct ivi_output *output = surface->remote.output;
 202
 203         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 204
 205         /* remote type are the same as desktop just that client can tell
 206          * the compositor to start on another output */
 207         surface->role = IVI_SURFACE_ROLE_REMOTE;
 208
 209         /* if thew black surface view is mapped on the mean we need
 210          * to remove it in order to start showing the 'remote' surface
 211          * just being added */
 212         view = output->fullscreen_view.fs->view;
 213         if (view->is_mapped || view->surface->is_mapped)
 214                 remove_black_surface(output);
 215
 216         if (output->type == OUTPUT_WALTHAM)
 217                 ivi_output_notify_waltham_plugin(surface);
 218
 219         wl_list_insert(&ivi->surfaces, &surface->link);
 220 }
 221
 222
 223 static void
 224 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 225 {
 226         struct ivi_compositor *ivi = surface->ivi;
 227         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 228
 229         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 230                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 231         else
 232                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 233
 234         wl_list_insert(&ivi->surfaces, &surface->link);
 235
 236         agl_shell_desktop_advertise_application_id(ivi, surface);
 237 }
 238
 239 static void
 240 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput,
 241                                       int x, int y, int bx, int by, int width, int height,
 242                                       const char *app_id)
 243 {
 244         struct ivi_compositor *ivi = ioutput->ivi;
 245         size_t len_app_id = strlen(app_id);
 246
 247         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
 248
 249         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 250         memcpy(p_popup->app_id, app_id, len_app_id);
 251         p_popup->ioutput = ioutput;
 252         p_popup->x = x;
 253         p_popup->y = y;
 254
 255         p_popup->bb.x = bx;
 256         p_popup->bb.y = by;
 257         p_popup->bb.width = width;
 258         p_popup->bb.height = height;
 259
 260         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 261 }
 262
 263 static void
 264 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 265                                            const char *app_id)
 266 {
 267         struct ivi_compositor *ivi = ioutput->ivi;
 268         size_t len_app_id = strlen(app_id);
 269
 270         struct pending_fullscreen *fs = zalloc(sizeof(*fs));
 271
 272         fs->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 273         memcpy(fs->app_id, app_id, len_app_id);
 274
 275         fs->ioutput = ioutput;
 276
 277         wl_list_insert(&ivi->fullscreen_pending_apps, &fs->link);
 278 }
 279
 280 static void
 281 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 282                                       const char *app_id, uint32_t orientation)
 283 {
 284         struct ivi_compositor *ivi = ioutput->ivi;
 285         struct ivi_surface *surf;
 286         size_t len_app_id = strlen(app_id);
 287         struct pending_split *split;
 288
 289         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 290             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 291                 return;
 292
 293         /* more than one is un-supported, do note we need to do
 294          * conversion for surface roles instead of using the protocol ones */
 295         wl_list_for_each(surf, &ivi->surfaces, link)
 296                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 297                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 298                         return;
 299
 300         split = zalloc(sizeof(*split));
 301         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 302         memcpy(split->app_id, app_id, len_app_id);
 303
 304         split->ioutput = ioutput;
 305         split->orientation = orientation;
 306
 307         wl_list_insert(&ivi->split_pending_apps, &split->link);
 308 }
 309
 310 void
 311 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 312                 const char *app_id)
 313 {
 314         struct ivi_compositor *ivi = ioutput->ivi;
 315         size_t len_app_id = strlen(app_id);
 316
 317         struct pending_remote *remote = zalloc(sizeof(*remote));
 318
 319         remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 320         memcpy(remote->app_id, app_id, len_app_id);
 321
 322         remote->ioutput = ioutput;
 323
 324         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
 325 }
 326
 327
 328 static void
 329 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 330 {
 331         free(split->app_id);
 332         wl_list_remove(&split->link);
 333         free(split);
 334 }
 335
 336 static void
 337 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 338 {
 339         free(fs->app_id);
 340         wl_list_remove(&fs->link);
 341         free(fs);
 342 }
 343
 344 static void
 345 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 346 {
 347         free(p_popup->app_id);
 348         wl_list_remove(&p_popup->link);
 349         free(p_popup);
 350 }
 351
 352 static void
 353 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 354 {
 355         free(remote->app_id);
 356         wl_list_remove(&remote->link);
 357         free(remote);
 358 }
 359
 360 static bool
 361 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 362 {
 363         struct ivi_compositor *ivi = surface->ivi;
 364         struct pending_popup *p_popup, *next_p_popup;
 365         const char *_app_id =
 366                         weston_desktop_surface_get_app_id(surface->dsurface);
 367
 368         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
 369                 return false;
 370
 371         wl_list_for_each_safe(p_popup, next_p_popup,
 372                               &ivi->popup_pending_apps, link) {
 373                 if (!strcmp(_app_id, p_popup->app_id)) {
 374                         surface->popup.output = p_popup->ioutput;
 375                         surface->popup.x = p_popup->x;
 376                         surface->popup.y = p_popup->y;
 377
 378                         surface->popup.bb.x = p_popup->bb.x;
 379                         surface->popup.bb.y = p_popup->bb.y;
 380                         surface->popup.bb.width = p_popup->bb.width;
 381                         surface->popup.bb.height = p_popup->bb.height;
 382
 383                         ivi_remove_pending_desktop_surface_popup(p_popup);
 384                         return true;
 385                 }
 386         }
 387
 388         return false;
 389 }
 390
 391 static bool
 392 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 393 {
 394         struct pending_split *split_surf, *next_split_surf;
 395         struct ivi_compositor *ivi = surface->ivi;
 396         const char *_app_id =
 397                         weston_desktop_surface_get_app_id(surface->dsurface);
 398
 399         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
 400                 return false;
 401
 402         wl_list_for_each_safe(split_surf, next_split_surf,
 403                               &ivi->split_pending_apps, link) {
 404                 if (!strcmp(_app_id, split_surf->app_id)) {
 405                         surface->split.output = split_surf->ioutput;
 406                         surface->split.orientation = split_surf->orientation;
 407                         ivi_remove_pending_desktop_surface_split(split_surf);
 408                         return true;
 409                 }
 410         }
 411
 412         return false;
 413 }
 414
 415 static bool
 416 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 417 {
 418         struct pending_fullscreen *fs_surf, *next_fs_surf;
 419         struct ivi_compositor *ivi = surface->ivi;
 420         const char *_app_id =
 421                         weston_desktop_surface_get_app_id(surface->dsurface);
 422
 423         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
 424                 return false;
 425
 426         wl_list_for_each_safe(fs_surf, next_fs_surf,
 427                               &ivi->fullscreen_pending_apps, link) {
 428                 if (!strcmp(_app_id, fs_surf->app_id)) {
 429                         surface->fullscreen.output = fs_surf->ioutput;
 430                         ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 431                         return true;
 432                 }
 433         }
 434
 435         return false;
 436 }
 437
 438 static bool
 439 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 440 {
 441         struct pending_remote *remote_surf, *next_remote_surf;
 442         struct ivi_compositor *ivi = surface->ivi;
 443         const char *_app_id =
 444                 weston_desktop_surface_get_app_id(surface->dsurface);
 445
 446         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
 447                 return false;
 448
 449         wl_list_for_each_safe(remote_surf, next_remote_surf,
 450                               &ivi->remote_pending_apps, link) {
 451                 if (!strcmp(_app_id, remote_surf->app_id)) {
 452                         surface->remote.output = remote_surf->ioutput;
 453                         ivi_remove_pending_desktop_surface_remote(remote_surf);
 454                         return true;
 455                 }
 456         }
 457
 458         return false;
 459 }
 460
 461
 462 void
 463 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 464 {
 465         bool ret = false;
 466
 467         ret = ivi_check_pending_desktop_surface_popup(surface);
 468         if (ret) {
 469                 ivi_set_desktop_surface_popup(surface);
 470                 ivi_layout_popup_committed(surface);
 471                 return;
 472         }
 473
 474         ret = ivi_check_pending_desktop_surface_split(surface);
 475         if (ret) {
 476                 ivi_set_desktop_surface_split(surface);
 477                 ivi_layout_split_committed(surface);
 478                 return;
 479         }
 480
 481         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 482         if (ret) {
 483                 ivi_set_desktop_surface_fullscreen(surface);
 484                 ivi_layout_fullscreen_committed(surface);
 485                 return;
 486         }
 487
 488         ret = ivi_check_pending_desktop_surface_remote(surface);
 489         if (ret) {
 490                 ivi_set_desktop_surface_remote(surface);
 491                 ivi_layout_desktop_committed(surface);
 492                 return;
 493         }
 494
 495         /* if we end up here means we have a regular desktop app and
 496          * try to activate it */
 497         ivi_set_desktop_surface(surface);
 498         ivi_layout_desktop_committed(surface);
 499 }
 500
 501 void
 502 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 503 {
 504         struct ivi_output *out;
 505
 506         wl_list_for_each(out, &ivi->outputs, link) {
 507                 create_black_surface_view(out);
 508                 insert_black_surface(out);
 509         }
 510 }
 511
 512 int
 513 ivi_shell_init(struct ivi_compositor *ivi)
 514 {
 515         weston_layer_init(&ivi->hidden, ivi->compositor);
 516         weston_layer_init(&ivi->background, ivi->compositor);
 517         weston_layer_init(&ivi->normal, ivi->compositor);
 518         weston_layer_init(&ivi->panel, ivi->compositor);
 519         weston_layer_init(&ivi->popup, ivi->compositor);
 520         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 521
 522         weston_layer_set_position(&ivi->hidden,
 523                                   WESTON_LAYER_POSITION_HIDDEN);
 524         weston_layer_set_position(&ivi->background,
 525                                   WESTON_LAYER_POSITION_BACKGROUND);
 526         weston_layer_set_position(&ivi->normal,
 527                                   WESTON_LAYER_POSITION_NORMAL);
 528         weston_layer_set_position(&ivi->panel,
 529                                   WESTON_LAYER_POSITION_UI);
 530         weston_layer_set_position(&ivi->popup,
 531                                   WESTON_LAYER_POSITION_TOP_UI);
 532         weston_layer_set_position(&ivi->fullscreen,
 533                                   WESTON_LAYER_POSITION_FULLSCREEN);
 534
 535         return 0;
 536 }
 537
 538 static void
 539 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 540 {
 541         struct ivi_surface *surface;
 542
 543         wl_list_for_each(surface, &ivi->surfaces, link) {
 544                 const char *app_id =
 545                         weston_desktop_surface_get_app_id(surface->dsurface);
 546                 if (app_id == NULL) {
 547                         weston_log("WARNING app_is is null, unable to advertise\n");
 548                         return;
 549                 }
 550                 agl_shell_desktop_send_application(resource, app_id);
 551         }
 552 }
 553
 554 static void
 555 client_exec(const char *command, int fd)
 556 {
 557         sigset_t sig;
 558         char s[32];
 559
 560         /* Don't give the child our signal mask */
 561         sigfillset(&sig);
 562         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 563
 564         /* Launch clients as the user; don't give them the wrong euid */
 565         if (seteuid(getuid()) == -1) {
 566                 weston_log("seteuid failed: %s\n", strerror(errno));
 567                 return;
 568         }
 569
 570         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 571          * clobbering fd, as we'll exit/exec either way.
 572          */
 573         fd = dup(fd);
 574         if (fd == -1) {
 575                 weston_log("dup failed: %s\n", strerror(errno));
 576                 return;
 577         }
 578
 579         snprintf(s, sizeof s, "%d", fd);
 580         setenv("WAYLAND_SOCKET", s, 1);
 581
 582         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 583         weston_log("executing '%s' failed: %s", command, strerror(errno));
 584 }
 585
 586 static struct wl_client *
 587 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 588 {
 589         struct wl_client *client;
 590         int sock[2];
 591         pid_t pid;
 592
 593         weston_log("launching' %s'\n", command);
 594
 595         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 596                 weston_log("socketpair failed while launching '%s': %s\n",
 597                            command, strerror(errno));
 598                 return NULL;
 599         }
 600
 601         pid = fork();
 602         if (pid == -1) {
 603                 close(sock[0]);
 604                 close(sock[1]);
 605                 weston_log("fork failed while launching '%s': %s\n",
 606                            command, strerror(errno));
 607                 return NULL;
 608         }
 609
 610         if (pid == 0) {
 611                 client_exec(command, sock[1]);
 612                 _Exit(EXIT_FAILURE);
 613         }
 614         close(sock[1]);
 615
 616         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 617         if (!client) {
 618                 close(sock[0]);
 619                 weston_log("Failed to create wayland client for '%s'",
 620                            command);
 621                 return NULL;
 622         }
 623
 624         return client;
 625 }
 626
 627 int
 628 ivi_launch_shell_client(struct ivi_compositor *ivi)
 629 {
 630         struct weston_config_section *section;
 631         char *command = NULL;
 632
 633         section = weston_config_get_section(ivi->config, "shell-client",
 634                                             NULL, NULL);
 635         if (section)
 636                 weston_config_section_get_string(section, "command",
 637                                                  &command, NULL);
 638
 639         if (!command)
 640                 return -1;
 641
 642         ivi->shell_client.client = launch_shell_client(ivi, command);
 643         if (!ivi->shell_client.client)
 644                 return -1;
 645
 646         return 0;
 647 }
 648
 649 static void
 650 destroy_black_view(struct wl_listener *listener, void *data)
 651 {
 652         struct fullscreen_view *fs =
 653                 wl_container_of(listener, fs, fs_destroy);
 654
 655
 656         if (fs && fs->fs) {
 657                 wl_list_remove(&fs->fs_destroy.link);
 658                 free(fs->fs);
 659         }
 660 }
 661
 662
 663 static void
 664 create_black_surface_view(struct ivi_output *output)
 665 {
 666         struct weston_surface *surface = NULL;
 667         struct weston_view *view;
 668         struct ivi_compositor *ivi = output->ivi;
 669         struct weston_compositor *wc= ivi->compositor;
 670         struct weston_output *woutput = output->output;
 671
 672         if (!woutput)
 673                 return;
 674
 675         surface = weston_surface_create(wc);
 676         view = weston_view_create(surface);
 677
 678         assert(view || surface);
 679
 680         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 681         weston_surface_set_size(surface, woutput->width, woutput->height);
 682         weston_view_set_position(view, woutput->x, woutput->y);
 683
 684         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 685         output->fullscreen_view.fs->view = view;
 686
 687         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 688         wl_signal_add(&woutput->destroy_signal,
 689                       &output->fullscreen_view.fs_destroy);
 690 }
 691
 692 void
 693 remove_black_surface(struct ivi_output *output)
 694 {
 695         struct weston_view *view;
 696
 697         if (!output &&
 698             !output->fullscreen_view.fs &&
 699             !output->fullscreen_view.fs->view) {
 700                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 701                 return;
 702         }
 703
 704         view = output->fullscreen_view.fs->view;
 705         assert(view->is_mapped == true ||
 706                view->surface->is_mapped == true);
 707
 708         view->is_mapped = false;
 709         view->surface->is_mapped = false;
 710
 711         weston_layer_entry_remove(&view->layer_link);
 712         weston_view_update_transform(view);
 713
 714         weston_output_damage(output->output);
 715 }
 716
 717 void
 718 insert_black_surface(struct ivi_output *output)
 719 {
 720         struct weston_view *view;
 721
 722         if ((!output &&
 723             !output->fullscreen_view.fs &&
 724             !output->fullscreen_view.fs->view) || !output->output) {
 725                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 726                 return;
 727         }
 728
 729         view = output->fullscreen_view.fs->view;
 730         if (view->is_mapped || view->surface->is_mapped)
 731                 return;
 732
 733         weston_layer_entry_remove(&view->layer_link);
 734         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 735                                   &view->layer_link);
 736
 737         view->is_mapped = true;
 738         view->surface->is_mapped = true;
 739
 740         weston_view_update_transform(view);
 741         weston_output_damage(output->output);
 742 }
 743
 744 static void
 745 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 746 {
 747         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 748         struct ivi_output *output;
 749         struct ivi_surface *surface, *tmp;
 750
 751         /* Init already finished. Do nothing */
 752         if (ivi->shell_client.ready)
 753                 return;
 754
 755         ivi->shell_client.ready = true;
 756
 757         wl_list_for_each(output, &ivi->outputs, link) {
 758                 if (output->background)
 759                         remove_black_surface(output);
 760                 ivi_layout_init(ivi, output);
 761         }
 762
 763         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 764                 wl_list_remove(&surface->link);
 765                 wl_list_init(&surface->link);
 766                 ivi_check_pending_desktop_surface(surface);
 767                 surface->checked_pending = true;
 768         }
 769 }
 770
 771 static void
 772 shell_set_background(struct wl_client *client,
 773                      struct wl_resource *shell_res,
 774                      struct wl_resource *surface_res,
 775                      struct wl_resource *output_res)
 776 {
 777         struct weston_head *head = weston_head_from_resource(output_res);
 778         struct weston_output *woutput = weston_head_get_output(head);
 779         struct ivi_output *output = to_ivi_output(woutput);
 780         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 781         struct weston_desktop_surface *dsurface;
 782         struct ivi_surface *surface;
 783
 784         dsurface = weston_surface_get_desktop_surface(wsurface);
 785         if (!dsurface) {
 786                 wl_resource_post_error(shell_res,
 787                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 788                                        "surface must be a desktop surface");
 789                 return;
 790         }
 791
 792         surface = weston_desktop_surface_get_user_data(dsurface);
 793         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 794                 wl_resource_post_error(shell_res,
 795                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 796                                        "surface already has another ivi role");
 797                 return;
 798         }
 799
 800         if (output->background) {
 801                 wl_resource_post_error(shell_res,
 802                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 803                                        "output already has background");
 804                 return;
 805         }
 806
 807         surface->checked_pending = true;
 808         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 809         surface->bg.output = output;
 810         wl_list_remove(&surface->link);
 811         wl_list_init(&surface->link);
 812
 813         output->background = surface;
 814
 815         weston_desktop_surface_set_maximized(dsurface, true);
 816         weston_desktop_surface_set_size(dsurface,
 817                                         output->output->width,
 818                                         output->output->height);
 819 }
 820
 821 static void
 822 shell_set_panel(struct wl_client *client,
 823                 struct wl_resource *shell_res,
 824                 struct wl_resource *surface_res,
 825                 struct wl_resource *output_res,
 826                 uint32_t edge)
 827 {
 828         struct weston_head *head = weston_head_from_resource(output_res);
 829         struct weston_output *woutput = weston_head_get_output(head);
 830         struct ivi_output *output = to_ivi_output(woutput);
 831         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 832         struct weston_desktop_surface *dsurface;
 833         struct ivi_surface *surface;
 834         struct ivi_surface **member;
 835         int32_t width = 0, height = 0;
 836
 837         dsurface = weston_surface_get_desktop_surface(wsurface);
 838         if (!dsurface) {
 839                 wl_resource_post_error(shell_res,
 840                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 841                                        "surface must be a desktop surface");
 842                 return;
 843         }
 844
 845         surface = weston_desktop_surface_get_user_data(dsurface);
 846         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 847                 wl_resource_post_error(shell_res,
 848                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 849                                        "surface already has another ivi role");
 850                 return;
 851         }
 852
 853         switch (edge) {
 854         case AGL_SHELL_EDGE_TOP:
 855                 member = &output->top;
 856                 break;
 857         case AGL_SHELL_EDGE_BOTTOM:
 858                 member = &output->bottom;
 859                 break;
 860         case AGL_SHELL_EDGE_LEFT:
 861                 member = &output->left;
 862                 break;
 863         case AGL_SHELL_EDGE_RIGHT:
 864                 member = &output->right;
 865                 break;
 866         default:
 867                 wl_resource_post_error(shell_res,
 868                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 869                                        "invalid edge for panel");
 870                 return;
 871         }
 872
 873         if (*member) {
 874                 wl_resource_post_error(shell_res,
 875                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 876                                        "output already has panel on this edge");
 877                 return;
 878         }
 879
 880         surface->checked_pending = true;
 881         surface->role = IVI_SURFACE_ROLE_PANEL;
 882         surface->panel.output = output;
 883         surface->panel.edge = edge;
 884         wl_list_remove(&surface->link);
 885         wl_list_init(&surface->link);
 886
 887         *member = surface;
 888
 889         switch (surface->panel.edge) {
 890         case AGL_SHELL_EDGE_TOP:
 891         case AGL_SHELL_EDGE_BOTTOM:
 892                 width = woutput->width;
 893                 break;
 894         case AGL_SHELL_EDGE_LEFT:
 895         case AGL_SHELL_EDGE_RIGHT:
 896                 height = woutput->height;
 897                 break;
 898         }
 899
 900         weston_desktop_surface_set_size(dsurface, width, height);
 901 }
 902
 903 void
 904 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 905                           const char *data, uint32_t app_state)
 906 {
 907         struct desktop_client *dclient;
 908         uint32_t app_role;
 909         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 910         struct ivi_policy *policy = ivi->policy;
 911
 912         /* FIXME: should queue it here and see when binding agl-shell-desktop
 913          * if there are any to be sent */
 914         if (!surf)
 915                 return;
 916
 917         if (!app_id)
 918                 return;
 919
 920         if (policy && policy->api.surface_advertise_state_change &&
 921             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 922                 return;
 923         }
 924
 925         app_role = surf->role;
 926         if (app_role == IVI_SURFACE_ROLE_POPUP)
 927                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 928
 929         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 930                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 931                                                  data, app_state, app_role);
 932 }
 933
 934 static void
 935 shell_activate_app(struct wl_client *client,
 936                    struct wl_resource *shell_res,
 937                    const char *app_id,
 938                    struct wl_resource *output_res)
 939 {
 940         struct weston_head *head = weston_head_from_resource(output_res);
 941         struct weston_output *woutput = weston_head_get_output(head);
 942         struct ivi_output *output = to_ivi_output(woutput);
 943
 944         ivi_layout_activate(output, app_id);
 945 }
 946
 947 static void
 948 shell_desktop_activate_app(struct wl_client *client,
 949                            struct wl_resource *shell_res,
 950                            const char *app_id, const char *data,
 951                            struct wl_resource *output_res)
 952 {
 953         struct weston_head *head = weston_head_from_resource(output_res);
 954         struct weston_output *woutput = weston_head_get_output(head);
 955         struct ivi_output *output = to_ivi_output(woutput);
 956
 957         ivi_layout_activate(output, app_id);
 958         shell_advertise_app_state(output->ivi, app_id,
 959                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
 960 }
 961
 962 static void
 963 shell_deactivate_app(struct wl_client *client,
 964                    struct wl_resource *shell_res,
 965                    const char *app_id)
 966 {
 967         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
 968         struct ivi_compositor *ivi = dclient->ivi;
 969
 970         ivi_layout_deactivate(ivi, app_id);
 971         shell_advertise_app_state(ivi, app_id,
 972                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
 973 }
 974
 975 static const struct agl_shell_interface agl_shell_implementation = {
 976         .ready = shell_ready,
 977         .set_background = shell_set_background,
 978         .set_panel = shell_set_panel,
 979         .activate_app = shell_activate_app,
 980 };
 981
 982 static void
 983 shell_desktop_set_app_property(struct wl_client *client,
 984                                struct wl_resource *shell_res,
 985                                const char *app_id, uint32_t role,
 986                                int x, int y, int bx, int by,
 987                                int width, int height,
 988                                struct wl_resource *output_res)
 989 {
 990         struct weston_head *head = weston_head_from_resource(output_res);
 991         struct weston_output *woutput = weston_head_get_output(head);
 992         struct ivi_output *output = to_ivi_output(woutput);
 993
 994         switch (role) {
 995         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
 996                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
 997                                                       width, height, app_id);
 998                 break;
 999         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1000                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1001                 break;
1002         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1003         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1004                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1005                 break;
1006         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1007                 ivi_set_pending_desktop_surface_remote(output, app_id);
1008                 break;
1009         default:
1010                 break;
1011         }
1012 }
1013
1014 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1015         .activate_app = shell_desktop_activate_app,
1016         .set_app_property = shell_desktop_set_app_property,
1017         .deactivate_app = shell_deactivate_app,
1018 };
1019
1020 static void
1021 unbind_agl_shell(struct wl_resource *resource)
1022 {
1023         struct ivi_compositor *ivi;
1024         struct ivi_output *output;
1025         struct ivi_surface *surf, *surf_tmp;
1026
1027         ivi = wl_resource_get_user_data(resource);
1028         wl_list_for_each(output, &ivi->outputs, link) {
1029                 /* reset the active surf if there's one present */
1030                 if (output->active) {
1031                         output->active->view->is_mapped = false;
1032                         output->active->view->surface->is_mapped = false;
1033
1034                         weston_layer_entry_remove(&output->active->view->layer_link);
1035                         output->active = NULL;
1036                 }
1037
1038                 insert_black_surface(output);
1039         }
1040
1041         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1042                 wl_list_remove(&surf->link);
1043                 wl_list_init(&surf->link);
1044         }
1045
1046         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1047                 wl_list_remove(&surf->link);
1048                 wl_list_init(&surf->link);
1049         }
1050
1051         wl_list_init(&ivi->surfaces);
1052         wl_list_init(&ivi->pending_surfaces);
1053
1054         ivi->shell_client.ready = false;
1055         ivi->shell_client.resource = NULL;
1056         ivi->shell_client.client = NULL;
1057 }
1058
1059 static void
1060 bind_agl_shell(struct wl_client *client,
1061                void *data, uint32_t version, uint32_t id)
1062 {
1063         struct ivi_compositor *ivi = data;
1064         struct wl_resource *resource;
1065         struct ivi_policy *policy;
1066         void *interface;
1067
1068         policy = ivi->policy;
1069         interface = (void *) &agl_shell_interface;
1070         if (policy && policy->api.shell_bind_interface &&
1071             !policy->api.shell_bind_interface(client, interface)) {
1072                 wl_client_post_implementation_error(client,
1073                                        "client not authorized to use agl_shell");
1074                 return;
1075         }
1076
1077         resource = wl_resource_create(client, &agl_shell_interface,
1078                                       1, id);
1079         if (!resource) {
1080                 wl_client_post_no_memory(client);
1081                 return;
1082         }
1083
1084 #if 0
1085         if (ivi->shell_client.client != client) {
1086                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1087                                        "client not authorized to use agl_shell");
1088                 return;
1089         }
1090 #endif
1091
1092         if (ivi->shell_client.resource) {
1093                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1094                                        "agl_shell has already been bound");
1095                 return;
1096         }
1097
1098         wl_resource_set_implementation(resource, &agl_shell_implementation,
1099                                        ivi, unbind_agl_shell);
1100         ivi->shell_client.resource = resource;
1101 }
1102
1103 static void
1104 unbind_agl_shell_desktop(struct wl_resource *resource)
1105 {
1106         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1107
1108         wl_list_remove(&dclient->link);
1109         free(dclient);
1110 }
1111
1112 static void
1113 bind_agl_shell_desktop(struct wl_client *client,
1114                        void *data, uint32_t version, uint32_t id)
1115 {
1116         struct ivi_compositor *ivi = data;
1117         struct wl_resource *resource;
1118         struct ivi_policy *policy;
1119         struct desktop_client *dclient;
1120         void *interface;
1121
1122         policy = ivi->policy;
1123         interface  = (void *) &agl_shell_desktop_interface;
1124         if (policy && policy->api.shell_bind_interface &&
1125             !policy->api.shell_bind_interface(client, interface)) {
1126                 wl_client_post_implementation_error(client,
1127                                 "client not authorized to use agl_shell_desktop");
1128                 return;
1129         }
1130
1131         dclient = zalloc(sizeof(*dclient));
1132         if (!dclient) {
1133                 wl_client_post_no_memory(client);
1134                 return;
1135         }
1136
1137         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1138                                       version, id);
1139         dclient->ivi = ivi;
1140         if (!resource) {
1141                 wl_client_post_no_memory(client);
1142                 return;
1143         }
1144
1145         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1146                                        dclient, unbind_agl_shell_desktop);
1147
1148         dclient->resource = resource;
1149         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1150
1151         /* advertise xdg surfaces */
1152         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1153 }
1154
1155 int
1156 ivi_shell_create_global(struct ivi_compositor *ivi)
1157 {
1158         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1159                                           &agl_shell_interface, 1,
1160                                           ivi, bind_agl_shell);
1161         if (!ivi->agl_shell) {
1162                 weston_log("Failed to create wayland global.\n");
1163                 return -1;
1164         }
1165
1166         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1167                                                   &agl_shell_desktop_interface, 1,
1168                                                   ivi, bind_agl_shell_desktop);
1169         if (!ivi->agl_shell_desktop) {
1170                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1171                 return -1;
1172         }
1173
1174         return 0;
1175 }