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 bool
 462 ivi_check_pending_surface(struct ivi_surface *surface)
 463 {
 464         struct ivi_compositor *ivi = surface->ivi;
 465         struct wl_list *role_pending_list;
 466         struct pending_popup *p_popup;
 467         struct pending_split *p_split;
 468         struct pending_fullscreen *p_fullscreen;
 469         struct pending_remote *p_remote;
 470         const char *app_id =
 471                 weston_desktop_surface_get_app_id(surface->dsurface);
 472
 473         if (!app_id)
 474                 return false;
 475
 476         role_pending_list = &ivi->popup_pending_apps;
 477         wl_list_for_each(p_popup, role_pending_list, link) {
 478                 if (!strcmp(app_id, p_popup->app_id)) {
 479                         return true;
 480                 }
 481         }
 482
 483         role_pending_list = &ivi->split_pending_apps;
 484         wl_list_for_each(p_split, role_pending_list, link) {
 485                 if (!strcmp(app_id, p_split->app_id)) {
 486                         return true;
 487                 }
 488         }
 489
 490         role_pending_list = &ivi->fullscreen_pending_apps;
 491         wl_list_for_each(p_fullscreen, role_pending_list, link) {
 492                 if (!strcmp(app_id, p_fullscreen->app_id)) {
 493                         return true;
 494                 }
 495         }
 496
 497         role_pending_list = &ivi->remote_pending_apps;
 498         wl_list_for_each(p_remote, role_pending_list, link) {
 499                 if (!strcmp(app_id, p_remote->app_id)) {
 500                         return true;
 501                 }
 502         }
 503
 504         /* else, we are a regular desktop surface */
 505         return false;
 506 }
 507
 508
 509 void
 510 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 511 {
 512         bool ret = false;
 513
 514         ret = ivi_check_pending_desktop_surface_popup(surface);
 515         if (ret) {
 516                 ivi_set_desktop_surface_popup(surface);
 517                 ivi_layout_popup_committed(surface);
 518                 return;
 519         }
 520
 521         ret = ivi_check_pending_desktop_surface_split(surface);
 522         if (ret) {
 523                 ivi_set_desktop_surface_split(surface);
 524                 ivi_layout_split_committed(surface);
 525                 return;
 526         }
 527
 528         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 529         if (ret) {
 530                 ivi_set_desktop_surface_fullscreen(surface);
 531                 ivi_layout_fullscreen_committed(surface);
 532                 return;
 533         }
 534
 535         ret = ivi_check_pending_desktop_surface_remote(surface);
 536         if (ret) {
 537                 ivi_set_desktop_surface_remote(surface);
 538                 ivi_layout_desktop_committed(surface);
 539                 return;
 540         }
 541
 542         /* if we end up here means we have a regular desktop app and
 543          * try to activate it */
 544         ivi_set_desktop_surface(surface);
 545         ivi_layout_desktop_committed(surface);
 546 }
 547
 548 void
 549 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 550 {
 551         struct ivi_output *out;
 552
 553         wl_list_for_each(out, &ivi->outputs, link) {
 554                 create_black_surface_view(out);
 555                 insert_black_surface(out);
 556         }
 557 }
 558
 559 int
 560 ivi_shell_init(struct ivi_compositor *ivi)
 561 {
 562         weston_layer_init(&ivi->hidden, ivi->compositor);
 563         weston_layer_init(&ivi->background, ivi->compositor);
 564         weston_layer_init(&ivi->normal, ivi->compositor);
 565         weston_layer_init(&ivi->panel, ivi->compositor);
 566         weston_layer_init(&ivi->popup, ivi->compositor);
 567         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 568
 569         weston_layer_set_position(&ivi->hidden,
 570                                   WESTON_LAYER_POSITION_HIDDEN);
 571         weston_layer_set_position(&ivi->background,
 572                                   WESTON_LAYER_POSITION_BACKGROUND);
 573         weston_layer_set_position(&ivi->normal,
 574                                   WESTON_LAYER_POSITION_NORMAL);
 575         weston_layer_set_position(&ivi->panel,
 576                                   WESTON_LAYER_POSITION_UI);
 577         weston_layer_set_position(&ivi->popup,
 578                                   WESTON_LAYER_POSITION_TOP_UI);
 579         weston_layer_set_position(&ivi->fullscreen,
 580                                   WESTON_LAYER_POSITION_FULLSCREEN);
 581
 582         return 0;
 583 }
 584
 585 static void
 586 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 587 {
 588         struct ivi_surface *surface;
 589
 590         wl_list_for_each(surface, &ivi->surfaces, link) {
 591                 const char *app_id =
 592                         weston_desktop_surface_get_app_id(surface->dsurface);
 593                 if (app_id == NULL) {
 594                         weston_log("WARNING app_is is null, unable to advertise\n");
 595                         return;
 596                 }
 597                 agl_shell_desktop_send_application(resource, app_id);
 598         }
 599 }
 600
 601 static void
 602 client_exec(const char *command, int fd)
 603 {
 604         sigset_t sig;
 605         char s[32];
 606
 607         /* Don't give the child our signal mask */
 608         sigfillset(&sig);
 609         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 610
 611         /* Launch clients as the user; don't give them the wrong euid */
 612         if (seteuid(getuid()) == -1) {
 613                 weston_log("seteuid failed: %s\n", strerror(errno));
 614                 return;
 615         }
 616
 617         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 618          * clobbering fd, as we'll exit/exec either way.
 619          */
 620         fd = dup(fd);
 621         if (fd == -1) {
 622                 weston_log("dup failed: %s\n", strerror(errno));
 623                 return;
 624         }
 625
 626         snprintf(s, sizeof s, "%d", fd);
 627         setenv("WAYLAND_SOCKET", s, 1);
 628
 629         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 630         weston_log("executing '%s' failed: %s", command, strerror(errno));
 631 }
 632
 633 static struct wl_client *
 634 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 635 {
 636         struct wl_client *client;
 637         int sock[2];
 638         pid_t pid;
 639
 640         weston_log("launching' %s'\n", command);
 641
 642         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 643                 weston_log("socketpair failed while launching '%s': %s\n",
 644                            command, strerror(errno));
 645                 return NULL;
 646         }
 647
 648         pid = fork();
 649         if (pid == -1) {
 650                 close(sock[0]);
 651                 close(sock[1]);
 652                 weston_log("fork failed while launching '%s': %s\n",
 653                            command, strerror(errno));
 654                 return NULL;
 655         }
 656
 657         if (pid == 0) {
 658                 client_exec(command, sock[1]);
 659                 _Exit(EXIT_FAILURE);
 660         }
 661         close(sock[1]);
 662
 663         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 664         if (!client) {
 665                 close(sock[0]);
 666                 weston_log("Failed to create wayland client for '%s'",
 667                            command);
 668                 return NULL;
 669         }
 670
 671         return client;
 672 }
 673
 674 int
 675 ivi_launch_shell_client(struct ivi_compositor *ivi)
 676 {
 677         struct weston_config_section *section;
 678         char *command = NULL;
 679
 680         section = weston_config_get_section(ivi->config, "shell-client",
 681                                             NULL, NULL);
 682         if (section)
 683                 weston_config_section_get_string(section, "command",
 684                                                  &command, NULL);
 685
 686         if (!command)
 687                 return -1;
 688
 689         ivi->shell_client.client = launch_shell_client(ivi, command);
 690         if (!ivi->shell_client.client)
 691                 return -1;
 692
 693         return 0;
 694 }
 695
 696 static void
 697 destroy_black_view(struct wl_listener *listener, void *data)
 698 {
 699         struct fullscreen_view *fs =
 700                 wl_container_of(listener, fs, fs_destroy);
 701
 702
 703         if (fs && fs->fs) {
 704                 wl_list_remove(&fs->fs_destroy.link);
 705                 free(fs->fs);
 706         }
 707 }
 708
 709
 710 static void
 711 create_black_surface_view(struct ivi_output *output)
 712 {
 713         struct weston_surface *surface = NULL;
 714         struct weston_view *view;
 715         struct ivi_compositor *ivi = output->ivi;
 716         struct weston_compositor *wc= ivi->compositor;
 717         struct weston_output *woutput = output->output;
 718
 719         if (!woutput)
 720                 return;
 721
 722         surface = weston_surface_create(wc);
 723         view = weston_view_create(surface);
 724
 725         assert(view || surface);
 726
 727         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 728         weston_surface_set_size(surface, woutput->width, woutput->height);
 729         weston_view_set_position(view, woutput->x, woutput->y);
 730
 731         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 732         output->fullscreen_view.fs->view = view;
 733
 734         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 735         wl_signal_add(&woutput->destroy_signal,
 736                       &output->fullscreen_view.fs_destroy);
 737 }
 738
 739 void
 740 remove_black_surface(struct ivi_output *output)
 741 {
 742         struct weston_view *view;
 743
 744         if (!output &&
 745             !output->fullscreen_view.fs &&
 746             !output->fullscreen_view.fs->view) {
 747                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 748                 return;
 749         }
 750
 751         view = output->fullscreen_view.fs->view;
 752         assert(view->is_mapped == true ||
 753                view->surface->is_mapped == true);
 754
 755         view->is_mapped = false;
 756         view->surface->is_mapped = false;
 757
 758         weston_layer_entry_remove(&view->layer_link);
 759         weston_view_update_transform(view);
 760
 761         weston_view_damage_below(view);
 762 }
 763
 764 void
 765 insert_black_surface(struct ivi_output *output)
 766 {
 767         struct weston_view *view;
 768
 769         if ((!output &&
 770             !output->fullscreen_view.fs &&
 771             !output->fullscreen_view.fs->view) || !output->output) {
 772                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 773                 return;
 774         }
 775
 776         view = output->fullscreen_view.fs->view;
 777         if (view->is_mapped || view->surface->is_mapped)
 778                 return;
 779
 780         weston_layer_entry_remove(&view->layer_link);
 781         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
 782                                   &view->layer_link);
 783
 784         view->is_mapped = true;
 785         view->surface->is_mapped = true;
 786
 787         weston_view_update_transform(view);
 788         weston_view_damage_below(view);
 789 }
 790
 791 static void
 792 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
 793 {
 794         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
 795         struct ivi_output *output;
 796         struct ivi_surface *surface, *tmp;
 797
 798         /* Init already finished. Do nothing */
 799         if (ivi->shell_client.ready)
 800                 return;
 801
 802         ivi->shell_client.ready = true;
 803
 804         wl_list_for_each(output, &ivi->outputs, link) {
 805                 if (output->background)
 806                         remove_black_surface(output);
 807                 ivi_layout_init(ivi, output);
 808         }
 809
 810         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
 811                 wl_list_remove(&surface->link);
 812                 wl_list_init(&surface->link);
 813                 ivi_check_pending_desktop_surface(surface);
 814                 surface->checked_pending = true;
 815         }
 816 }
 817
 818 static void
 819 shell_set_background(struct wl_client *client,
 820                      struct wl_resource *shell_res,
 821                      struct wl_resource *surface_res,
 822                      struct wl_resource *output_res)
 823 {
 824         struct weston_head *head = weston_head_from_resource(output_res);
 825         struct weston_output *woutput = weston_head_get_output(head);
 826         struct ivi_output *output = to_ivi_output(woutput);
 827         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 828         struct weston_desktop_surface *dsurface;
 829         struct ivi_surface *surface;
 830
 831         dsurface = weston_surface_get_desktop_surface(wsurface);
 832         if (!dsurface) {
 833                 wl_resource_post_error(shell_res,
 834                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 835                                        "surface must be a desktop surface");
 836                 return;
 837         }
 838
 839         surface = weston_desktop_surface_get_user_data(dsurface);
 840         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 841                 wl_resource_post_error(shell_res,
 842                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 843                                        "surface already has another ivi role");
 844                 return;
 845         }
 846
 847         if (output->background) {
 848                 wl_resource_post_error(shell_res,
 849                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 850                                        "output already has background");
 851                 return;
 852         }
 853
 854         surface->checked_pending = true;
 855         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
 856         surface->bg.output = output;
 857         wl_list_remove(&surface->link);
 858         wl_list_init(&surface->link);
 859
 860         output->background = surface;
 861
 862         weston_desktop_surface_set_maximized(dsurface, true);
 863         weston_desktop_surface_set_size(dsurface,
 864                                         output->output->width,
 865                                         output->output->height);
 866 }
 867
 868 static void
 869 shell_set_panel(struct wl_client *client,
 870                 struct wl_resource *shell_res,
 871                 struct wl_resource *surface_res,
 872                 struct wl_resource *output_res,
 873                 uint32_t edge)
 874 {
 875         struct weston_head *head = weston_head_from_resource(output_res);
 876         struct weston_output *woutput = weston_head_get_output(head);
 877         struct ivi_output *output = to_ivi_output(woutput);
 878         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
 879         struct weston_desktop_surface *dsurface;
 880         struct ivi_surface *surface;
 881         struct ivi_surface **member;
 882         int32_t width = 0, height = 0;
 883
 884         dsurface = weston_surface_get_desktop_surface(wsurface);
 885         if (!dsurface) {
 886                 wl_resource_post_error(shell_res,
 887                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 888                                        "surface must be a desktop surface");
 889                 return;
 890         }
 891
 892         surface = weston_desktop_surface_get_user_data(dsurface);
 893         if (surface->role != IVI_SURFACE_ROLE_NONE) {
 894                 wl_resource_post_error(shell_res,
 895                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 896                                        "surface already has another ivi role");
 897                 return;
 898         }
 899
 900         switch (edge) {
 901         case AGL_SHELL_EDGE_TOP:
 902                 member = &output->top;
 903                 break;
 904         case AGL_SHELL_EDGE_BOTTOM:
 905                 member = &output->bottom;
 906                 break;
 907         case AGL_SHELL_EDGE_LEFT:
 908                 member = &output->left;
 909                 break;
 910         case AGL_SHELL_EDGE_RIGHT:
 911                 member = &output->right;
 912                 break;
 913         default:
 914                 wl_resource_post_error(shell_res,
 915                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
 916                                        "invalid edge for panel");
 917                 return;
 918         }
 919
 920         if (*member) {
 921                 wl_resource_post_error(shell_res,
 922                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
 923                                        "output already has panel on this edge");
 924                 return;
 925         }
 926
 927         surface->checked_pending = true;
 928         surface->role = IVI_SURFACE_ROLE_PANEL;
 929         surface->panel.output = output;
 930         surface->panel.edge = edge;
 931         wl_list_remove(&surface->link);
 932         wl_list_init(&surface->link);
 933
 934         *member = surface;
 935
 936         switch (surface->panel.edge) {
 937         case AGL_SHELL_EDGE_TOP:
 938         case AGL_SHELL_EDGE_BOTTOM:
 939                 width = woutput->width;
 940                 break;
 941         case AGL_SHELL_EDGE_LEFT:
 942         case AGL_SHELL_EDGE_RIGHT:
 943                 height = woutput->height;
 944                 break;
 945         }
 946
 947         weston_desktop_surface_set_size(dsurface, width, height);
 948 }
 949
 950 void
 951 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
 952                           const char *data, uint32_t app_state)
 953 {
 954         struct desktop_client *dclient;
 955         uint32_t app_role;
 956         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
 957         struct ivi_policy *policy = ivi->policy;
 958
 959         /* FIXME: should queue it here and see when binding agl-shell-desktop
 960          * if there are any to be sent */
 961         if (!surf)
 962                 return;
 963
 964         if (!app_id)
 965                 return;
 966
 967         if (policy && policy->api.surface_advertise_state_change &&
 968             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
 969                 return;
 970         }
 971
 972         app_role = surf->role;
 973         if (app_role == IVI_SURFACE_ROLE_POPUP)
 974                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
 975
 976         wl_list_for_each(dclient, &ivi->desktop_clients, link)
 977                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
 978                                                  data, app_state, app_role);
 979 }
 980
 981 static void
 982 shell_activate_app(struct wl_client *client,
 983                    struct wl_resource *shell_res,
 984                    const char *app_id,
 985                    struct wl_resource *output_res)
 986 {
 987         struct weston_head *head = weston_head_from_resource(output_res);
 988         struct weston_output *woutput = weston_head_get_output(head);
 989         struct ivi_output *output = to_ivi_output(woutput);
 990
 991         ivi_layout_activate(output, app_id);
 992 }
 993
 994 static void
 995 shell_desktop_activate_app(struct wl_client *client,
 996                            struct wl_resource *shell_res,
 997                            const char *app_id, const char *data,
 998                            struct wl_resource *output_res)
 999 {
1000         struct weston_head *head = weston_head_from_resource(output_res);
1001         struct weston_output *woutput = weston_head_get_output(head);
1002         struct ivi_output *output = to_ivi_output(woutput);
1003
1004         ivi_layout_activate(output, app_id);
1005         shell_advertise_app_state(output->ivi, app_id,
1006                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1007 }
1008
1009 static void
1010 shell_deactivate_app(struct wl_client *client,
1011                    struct wl_resource *shell_res,
1012                    const char *app_id)
1013 {
1014         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1015         struct ivi_compositor *ivi = dclient->ivi;
1016
1017         ivi_layout_deactivate(ivi, app_id);
1018         shell_advertise_app_state(ivi, app_id,
1019                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1020 }
1021
1022 static const struct agl_shell_interface agl_shell_implementation = {
1023         .ready = shell_ready,
1024         .set_background = shell_set_background,
1025         .set_panel = shell_set_panel,
1026         .activate_app = shell_activate_app,
1027 };
1028
1029 static void
1030 shell_desktop_set_app_property(struct wl_client *client,
1031                                struct wl_resource *shell_res,
1032                                const char *app_id, uint32_t role,
1033                                int x, int y, int bx, int by,
1034                                int width, int height,
1035                                struct wl_resource *output_res)
1036 {
1037         struct weston_head *head = weston_head_from_resource(output_res);
1038         struct weston_output *woutput = weston_head_get_output(head);
1039         struct ivi_output *output = to_ivi_output(woutput);
1040
1041         switch (role) {
1042         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1043                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1044                                                       width, height, app_id);
1045                 break;
1046         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1047                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1048                 break;
1049         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1050         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1051                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1052                 break;
1053         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1054                 ivi_set_pending_desktop_surface_remote(output, app_id);
1055                 break;
1056         default:
1057                 break;
1058         }
1059 }
1060
1061 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1062         .activate_app = shell_desktop_activate_app,
1063         .set_app_property = shell_desktop_set_app_property,
1064         .deactivate_app = shell_deactivate_app,
1065 };
1066
1067 static void
1068 unbind_agl_shell(struct wl_resource *resource)
1069 {
1070         struct ivi_compositor *ivi;
1071         struct ivi_output *output;
1072         struct ivi_surface *surf, *surf_tmp;
1073
1074         ivi = wl_resource_get_user_data(resource);
1075         wl_list_for_each(output, &ivi->outputs, link) {
1076                 /* reset the active surf if there's one present */
1077                 if (output->active) {
1078                         output->active->view->is_mapped = false;
1079                         output->active->view->surface->is_mapped = false;
1080
1081                         weston_layer_entry_remove(&output->active->view->layer_link);
1082                         output->active = NULL;
1083                 }
1084
1085                 insert_black_surface(output);
1086         }
1087
1088         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1089                 wl_list_remove(&surf->link);
1090                 wl_list_init(&surf->link);
1091         }
1092
1093         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1094                 wl_list_remove(&surf->link);
1095                 wl_list_init(&surf->link);
1096         }
1097
1098         wl_list_init(&ivi->surfaces);
1099         wl_list_init(&ivi->pending_surfaces);
1100
1101         ivi->shell_client.ready = false;
1102         ivi->shell_client.resource = NULL;
1103         ivi->shell_client.client = NULL;
1104 }
1105
1106 static void
1107 bind_agl_shell(struct wl_client *client,
1108                void *data, uint32_t version, uint32_t id)
1109 {
1110         struct ivi_compositor *ivi = data;
1111         struct wl_resource *resource;
1112         struct ivi_policy *policy;
1113         void *interface;
1114
1115         policy = ivi->policy;
1116         interface = (void *) &agl_shell_interface;
1117         if (policy && policy->api.shell_bind_interface &&
1118             !policy->api.shell_bind_interface(client, interface)) {
1119                 wl_client_post_implementation_error(client,
1120                                        "client not authorized to use agl_shell");
1121                 return;
1122         }
1123
1124         resource = wl_resource_create(client, &agl_shell_interface,
1125                                       1, id);
1126         if (!resource) {
1127                 wl_client_post_no_memory(client);
1128                 return;
1129         }
1130
1131 #if 0
1132         if (ivi->shell_client.client != client) {
1133                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1134                                        "client not authorized to use agl_shell");
1135                 return;
1136         }
1137 #endif
1138
1139         if (ivi->shell_client.resource) {
1140                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1141                                        "agl_shell has already been bound");
1142                 return;
1143         }
1144
1145         wl_resource_set_implementation(resource, &agl_shell_implementation,
1146                                        ivi, unbind_agl_shell);
1147         ivi->shell_client.resource = resource;
1148 }
1149
1150 static void
1151 unbind_agl_shell_desktop(struct wl_resource *resource)
1152 {
1153         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1154
1155         wl_list_remove(&dclient->link);
1156         free(dclient);
1157 }
1158
1159 static void
1160 bind_agl_shell_desktop(struct wl_client *client,
1161                        void *data, uint32_t version, uint32_t id)
1162 {
1163         struct ivi_compositor *ivi = data;
1164         struct wl_resource *resource;
1165         struct ivi_policy *policy;
1166         struct desktop_client *dclient;
1167         void *interface;
1168
1169         policy = ivi->policy;
1170         interface  = (void *) &agl_shell_desktop_interface;
1171         if (policy && policy->api.shell_bind_interface &&
1172             !policy->api.shell_bind_interface(client, interface)) {
1173                 wl_client_post_implementation_error(client,
1174                                 "client not authorized to use agl_shell_desktop");
1175                 return;
1176         }
1177
1178         dclient = zalloc(sizeof(*dclient));
1179         if (!dclient) {
1180                 wl_client_post_no_memory(client);
1181                 return;
1182         }
1183
1184         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1185                                       version, id);
1186         dclient->ivi = ivi;
1187         if (!resource) {
1188                 wl_client_post_no_memory(client);
1189                 return;
1190         }
1191
1192         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1193                                        dclient, unbind_agl_shell_desktop);
1194
1195         dclient->resource = resource;
1196         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1197
1198         /* advertise xdg surfaces */
1199         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1200 }
1201
1202 int
1203 ivi_shell_create_global(struct ivi_compositor *ivi)
1204 {
1205         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1206                                           &agl_shell_interface, 1,
1207                                           ivi, bind_agl_shell);
1208         if (!ivi->agl_shell) {
1209                 weston_log("Failed to create wayland global.\n");
1210                 return -1;
1211         }
1212
1213         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1214                                                   &agl_shell_desktop_interface, 1,
1215                                                   ivi, bind_agl_shell_desktop);
1216         if (!ivi->agl_shell_desktop) {
1217                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1218                 return -1;
1219         }
1220
1221         return 0;
1222 }