src/shell.c

   1 /*
   2  * Copyright © 2019, 2022 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 <sys/wait.h>
  37 #include <unistd.h>
  38 #include <libweston/libweston.h>
  39 #include <libweston/config-parser.h>
  40
  41 #include <weston/weston.h>
  42 #include "shared/os-compatibility.h"
  43 #include "shared/helpers.h"
  44 #include "shared/process-util.h"
  45
  46 #include "agl-shell-server-protocol.h"
  47 #include "agl-shell-desktop-server-protocol.h"
  48
  49 #ifdef HAVE_WALTHAM
  50 #include <waltham-transmitter/transmitter_api.h>
  51 #endif
  52
  53 static void
  54 create_black_curtain_view(struct ivi_output *output);
  55
  56 void
  57 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
  58                                            struct ivi_surface *surface)
  59 {
  60         struct desktop_client *dclient;
  61         static bool display_adv = false;
  62
  63         if (surface->advertised_on_launch)
  64                 return;
  65
  66         /* advertise to all desktop clients the new surface */
  67         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  68                 const char *app_id =
  69                         weston_desktop_surface_get_app_id(surface->dsurface);
  70                 if (app_id == NULL) {
  71                         if (!display_adv) {
  72                                 weston_log("WARNING app_is is null, unable to advertise\n");
  73                                 display_adv = true;
  74                         }
  75                         return;
  76                 }
  77                 agl_shell_desktop_send_application(dclient->resource, app_id);
  78                 surface->advertised_on_launch = true;
  79         }
  80 }
  81
  82 void
  83 ivi_set_desktop_surface(struct ivi_surface *surface)
  84 {
  85         struct ivi_compositor *ivi = surface->ivi;
  86         assert(surface->role == IVI_SURFACE_ROLE_NONE);
  87
  88         surface->role = IVI_SURFACE_ROLE_DESKTOP;
  89         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  90
  91         agl_shell_desktop_advertise_application_id(ivi, surface);
  92 }
  93
  94 static void
  95 ivi_set_background_surface(struct ivi_surface *surface)
  96 {
  97         struct ivi_compositor *ivi = surface->ivi;
  98         assert(surface->role == IVI_SURFACE_ROLE_BACKGROUND);
  99
 100         wl_list_insert(&surface->ivi->surfaces, &surface->link);
 101         agl_shell_desktop_advertise_application_id(ivi, surface);
 102 }
 103
 104 static void
 105 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
 106 {
 107         struct ivi_compositor *ivi = surface->ivi;
 108         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 109
 110         surface->role = IVI_SURFACE_ROLE_POPUP;
 111         wl_list_insert(&ivi->surfaces, &surface->link);
 112
 113         agl_shell_desktop_advertise_application_id(ivi, surface);
 114 }
 115
 116 static void
 117 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
 118 {
 119         struct ivi_compositor *ivi = surface->ivi;
 120         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 121
 122         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
 123         wl_list_insert(&ivi->surfaces, &surface->link);
 124
 125         agl_shell_desktop_advertise_application_id(ivi, surface);
 126 }
 127
 128 #ifdef HAVE_WALTHAM
 129 void
 130 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 131 {
 132         struct ivi_compositor *ivi = surface->ivi;
 133         const struct weston_transmitter_api *api =
 134                 ivi->waltham_transmitter_api;
 135
 136         if (!api)
 137                 return;
 138
 139         if (surface->waltham_surface.transmitter_surface)
 140                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
 141 }
 142
 143 static void
 144 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 145 {
 146         struct ivi_compositor *ivi = surface->ivi;
 147         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
 148         struct weston_transmitter *transmitter;
 149         struct weston_transmitter_remote *trans_remote;
 150         struct weston_surface *weston_surface;
 151         struct weston_output *woutput = surface->remote.output->output;
 152         const char *app_id;
 153
 154         if (!api)
 155                 return;
 156
 157         transmitter = api->transmitter_get(ivi->compositor);
 158         if (!transmitter)
 159                 return;
 160
 161         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
 162         if (!trans_remote) {
 163                 weston_log("Could not find a valie weston_transmitter_remote "
 164                                 "that matches the output %s\n", woutput->name);
 165                 return;
 166         }
 167
 168         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
 169         weston_surface =
 170                 weston_desktop_surface_get_surface(surface->dsurface);
 171
 172         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
 173
 174         /* this will have the effect of informing the remote side to create a
 175          * surface with the name app_id. W/ xdg-shell the following happens:
 176          *
 177          * compositor (server):
 178          * surface_push_to_remote():
 179          *      waltham-transmitter plug-in
 180          *              -> wthp_ivi_app_id_surface_create()
 181          *
 182          * client -- on the receiver side:
 183          *      -> wthp_ivi_app_id_surface_create()
 184          *              -> wth_receiver_weston_main()
 185          *                      -> wl_compositor_create_surface()
 186          *                      -> xdg_wm_base_get_xdg_surface
 187          *                      -> xdg_toplevel_set_app_id()
 188          *                      -> gst_init()
 189          *                      -> gst_parse_launch()
 190          *
 191          * wth_receiver_weston_main() will be invoked from the handler of
 192          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
 193          * the gstreamer pipeline as well.
 194          */
 195         surface->waltham_surface.transmitter_surface =
 196             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
 197 }
 198
 199 #else
 200 void
 201 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 202 {
 203 }
 204 static void
 205 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 206 {
 207 }
 208 #endif
 209
 210 static void
 211 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 212 {
 213         struct ivi_compositor *ivi = surface->ivi;
 214         struct weston_view *view;
 215         struct ivi_output *output = surface->remote.output;
 216
 217         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 218
 219         /* remote type are the same as desktop just that client can tell
 220          * the compositor to start on another output */
 221         surface->role = IVI_SURFACE_ROLE_REMOTE;
 222
 223         /* if thew black surface view is mapped on the mean we need
 224          * to remove it in order to start showing the 'remote' surface
 225          * just being added */
 226         view = output->fullscreen_view.fs->view;
 227         if (view->is_mapped || view->surface->is_mapped)
 228                 remove_black_curtain(output);
 229
 230         if (output->type == OUTPUT_WALTHAM)
 231                 ivi_output_notify_waltham_plugin(surface);
 232
 233         wl_list_insert(&ivi->surfaces, &surface->link);
 234 }
 235
 236
 237 static void
 238 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 239 {
 240         struct ivi_compositor *ivi = surface->ivi;
 241         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 242
 243         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 244                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 245         else
 246                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 247
 248         wl_list_insert(&ivi->surfaces, &surface->link);
 249
 250         agl_shell_desktop_advertise_application_id(ivi, surface);
 251 }
 252
 253 static struct pending_popup *
 254 ivi_ensure_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
 255                  int width, int height, const char *app_id)
 256 {
 257         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
 258         size_t len_app_id = strlen(app_id);
 259
 260         if (!p_popup)
 261                 return NULL;
 262         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 263         if (!p_popup->app_id) {
 264                 free(p_popup);
 265                 return NULL;
 266         }
 267         memcpy(p_popup->app_id, app_id, len_app_id);
 268         p_popup->ioutput = ioutput;
 269         p_popup->x = x;
 270         p_popup->y = y;
 271
 272         p_popup->bb.x = bx;
 273         p_popup->bb.y = by;
 274         p_popup->bb.width = width;
 275         p_popup->bb.height = height;
 276
 277         return p_popup;
 278 }
 279
 280 static void
 281 ivi_update_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
 282                  int width, int height, const char *app_id, struct pending_popup *p_popup)
 283 {
 284         size_t len_app_id = strlen(app_id);
 285
 286         wl_list_remove(&p_popup->link);
 287         wl_list_init(&p_popup->link);
 288
 289         memset(p_popup->app_id, 0, strlen(app_id) + 1);
 290         free(p_popup->app_id);
 291
 292         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 293         if (!p_popup->app_id)
 294                 return;
 295         memcpy(p_popup->app_id, app_id, len_app_id);
 296
 297         p_popup->ioutput = ioutput;
 298         p_popup->x = x;
 299         p_popup->y = y;
 300
 301         p_popup->bb.x = bx;
 302         p_popup->bb.y = by;
 303         p_popup->bb.width = width;
 304         p_popup->bb.height = height;
 305 }
 306
 307 static struct pending_fullscreen *
 308 ivi_ensure_fullscreen(struct ivi_output *ioutput, const char *app_id)
 309 {
 310         struct pending_fullscreen *p_fullscreen = zalloc(sizeof(*p_fullscreen));
 311         size_t len_app_id = strlen(app_id);
 312
 313         if (!p_fullscreen)
 314                 return NULL;
 315         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 316         if (!p_fullscreen->app_id) {
 317                 free(p_fullscreen);
 318                 return NULL;
 319         }
 320         memcpy(p_fullscreen->app_id, app_id, len_app_id);
 321
 322         p_fullscreen->ioutput = ioutput;
 323         return p_fullscreen;
 324 }
 325
 326 static void
 327 ivi_update_fullscreen(struct ivi_output *ioutput, const char *app_id,
 328                       struct pending_fullscreen *p_fullscreen)
 329 {
 330         size_t len_app_id = strlen(app_id);
 331
 332         wl_list_remove(&p_fullscreen->link);
 333         wl_list_init(&p_fullscreen->link);
 334
 335         memset(p_fullscreen->app_id, 0, strlen(app_id) + 1);
 336         free(p_fullscreen->app_id);
 337
 338         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 339         if (!p_fullscreen->app_id)
 340                 return;
 341         memcpy(p_fullscreen->app_id, app_id, len_app_id);
 342
 343         p_fullscreen->ioutput = ioutput;
 344 }
 345
 346 static struct pending_remote *
 347 ivi_ensure_remote(struct ivi_output *ioutput, const char *app_id)
 348 {
 349         struct pending_remote *p_remote = zalloc(sizeof(*p_remote));
 350         size_t len_app_id = strlen(app_id);
 351
 352         if (!p_remote)
 353                 return NULL;
 354         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 355         if (!p_remote->app_id) {
 356                 free(p_remote);
 357                 return NULL;
 358         }
 359         memcpy(p_remote->app_id, app_id, len_app_id);
 360
 361         p_remote->ioutput = ioutput;
 362         return p_remote;
 363 }
 364
 365 static void
 366 ivi_update_remote(struct ivi_output *ioutput, const char *app_id,
 367                       struct pending_remote *p_remote)
 368 {
 369         size_t len_app_id = strlen(app_id);
 370
 371         wl_list_remove(&p_remote->link);
 372         wl_list_init(&p_remote->link);
 373
 374         memset(p_remote->app_id, 0, strlen(app_id) + 1);
 375         free(p_remote->app_id);
 376
 377         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 378         if (!p_remote->app_id)
 379                 return;
 380         memcpy(p_remote->app_id, app_id, len_app_id);
 381
 382         p_remote->ioutput = ioutput;
 383 }
 384
 385 static void
 386 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput, int x, int y, int bx,
 387                                       int by, int width, int height, const char *app_id)
 388 {
 389         struct ivi_compositor *ivi = ioutput->ivi;
 390         struct pending_popup *p_popup = NULL;
 391         struct pending_popup *popup;
 392
 393         wl_list_for_each(popup, &ivi->popup_pending_apps, link)
 394                 if (!strcmp(app_id, popup->app_id))
 395                         p_popup = popup;
 396
 397         if (!p_popup)
 398                 p_popup = ivi_ensure_popup(ioutput, x, y, bx, by, width, height, app_id);
 399         else
 400                 ivi_update_popup(ioutput, x, y, bx, by, width, height, app_id, p_popup);
 401         if (!p_popup)
 402                 return;
 403
 404         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 405 }
 406
 407 static void
 408 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 409                                            const char *app_id)
 410 {
 411         struct ivi_compositor *ivi = ioutput->ivi;
 412         struct pending_fullscreen *p_fullscreen = NULL;
 413         struct pending_fullscreen *fullscreen;
 414
 415         wl_list_for_each(fullscreen, &ivi->fullscreen_pending_apps, link)
 416                 if (!strcmp(app_id, fullscreen->app_id))
 417                         p_fullscreen = fullscreen;
 418
 419         if (!p_fullscreen)
 420                 p_fullscreen = ivi_ensure_fullscreen(ioutput, app_id);
 421         else
 422                 ivi_update_fullscreen(ioutput, app_id, p_fullscreen);
 423
 424         if (!p_fullscreen)
 425                 return;
 426         wl_list_insert(&ivi->fullscreen_pending_apps, &p_fullscreen->link);
 427 }
 428
 429 static void
 430 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 431                                       const char *app_id, uint32_t orientation)
 432 {
 433         struct ivi_compositor *ivi = ioutput->ivi;
 434         struct ivi_surface *surf;
 435         size_t len_app_id = strlen(app_id);
 436         struct pending_split *split;
 437
 438         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 439             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 440                 return;
 441
 442         /* more than one is un-supported, do note we need to do
 443          * conversion for surface roles instead of using the protocol ones */
 444         wl_list_for_each(surf, &ivi->surfaces, link)
 445                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 446                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 447                         return;
 448
 449         split = zalloc(sizeof(*split));
 450         if (!split)
 451                 return;
 452         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 453         if (!split->app_id) {
 454                 free(split);
 455                 return;
 456         }
 457         memcpy(split->app_id, app_id, len_app_id);
 458
 459         split->ioutput = ioutput;
 460         split->orientation = orientation;
 461
 462         wl_list_insert(&ivi->split_pending_apps, &split->link);
 463 }
 464
 465 void
 466 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 467                 const char *app_id)
 468 {
 469         struct ivi_compositor *ivi = ioutput->ivi;
 470         struct pending_remote *remote;
 471         struct pending_remote *p_remote = NULL;
 472
 473         wl_list_for_each(remote, &ivi->remote_pending_apps, link)
 474                 if (!strcmp(app_id, remote->app_id))
 475                         p_remote = remote;
 476
 477         if (!p_remote)
 478                 p_remote = ivi_ensure_remote(ioutput, app_id);
 479         else
 480                 ivi_update_remote(ioutput, app_id, p_remote);
 481         if (!p_remote)
 482                 return;
 483
 484         wl_list_insert(&ivi->remote_pending_apps, &p_remote->link);
 485 }
 486
 487
 488 static void
 489 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 490 {
 491         free(split->app_id);
 492         wl_list_remove(&split->link);
 493         free(split);
 494 }
 495
 496 static void
 497 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 498 {
 499         free(fs->app_id);
 500         wl_list_remove(&fs->link);
 501         free(fs);
 502 }
 503
 504 static void
 505 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 506 {
 507         free(p_popup->app_id);
 508         wl_list_remove(&p_popup->link);
 509         free(p_popup);
 510 }
 511
 512 static void
 513 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 514 {
 515         free(remote->app_id);
 516         wl_list_remove(&remote->link);
 517         free(remote);
 518 }
 519
 520 static bool
 521 ivi_compositor_keep_pending_surfaces(struct ivi_surface *surface)
 522 {
 523         return surface->ivi->keep_pending_surfaces;
 524 }
 525
 526 static bool
 527 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 528 {
 529         struct ivi_compositor *ivi = surface->ivi;
 530         struct pending_popup *p_popup, *next_p_popup;
 531         const char *_app_id =
 532                         weston_desktop_surface_get_app_id(surface->dsurface);
 533
 534         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
 535                 return false;
 536
 537         wl_list_for_each_safe(p_popup, next_p_popup,
 538                               &ivi->popup_pending_apps, link) {
 539                 if (!strcmp(_app_id, p_popup->app_id)) {
 540                         surface->popup.output = p_popup->ioutput;
 541                         surface->popup.x = p_popup->x;
 542                         surface->popup.y = p_popup->y;
 543
 544                         surface->popup.bb.x = p_popup->bb.x;
 545                         surface->popup.bb.y = p_popup->bb.y;
 546                         surface->popup.bb.width = p_popup->bb.width;
 547                         surface->popup.bb.height = p_popup->bb.height;
 548
 549                         if (!ivi_compositor_keep_pending_surfaces(surface))
 550                                 ivi_remove_pending_desktop_surface_popup(p_popup);
 551                         return true;
 552                 }
 553         }
 554
 555         return false;
 556 }
 557
 558 static bool
 559 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 560 {
 561         struct pending_split *split_surf, *next_split_surf;
 562         struct ivi_compositor *ivi = surface->ivi;
 563         const char *_app_id =
 564                         weston_desktop_surface_get_app_id(surface->dsurface);
 565
 566         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
 567                 return false;
 568
 569         wl_list_for_each_safe(split_surf, next_split_surf,
 570                               &ivi->split_pending_apps, link) {
 571                 if (!strcmp(_app_id, split_surf->app_id)) {
 572                         surface->split.output = split_surf->ioutput;
 573                         surface->split.orientation = split_surf->orientation;
 574                         if (!ivi_compositor_keep_pending_surfaces(surface))
 575                                 ivi_remove_pending_desktop_surface_split(split_surf);
 576                         return true;
 577                 }
 578         }
 579
 580         return false;
 581 }
 582
 583 static bool
 584 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 585 {
 586         struct pending_fullscreen *fs_surf, *next_fs_surf;
 587         struct ivi_compositor *ivi = surface->ivi;
 588         const char *_app_id =
 589                         weston_desktop_surface_get_app_id(surface->dsurface);
 590
 591         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
 592                 return false;
 593
 594         wl_list_for_each_safe(fs_surf, next_fs_surf,
 595                               &ivi->fullscreen_pending_apps, link) {
 596                 if (!strcmp(_app_id, fs_surf->app_id)) {
 597                         surface->fullscreen.output = fs_surf->ioutput;
 598                         if (!ivi_compositor_keep_pending_surfaces(surface))
 599                                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 600                         return true;
 601                 }
 602         }
 603
 604         return false;
 605 }
 606
 607 static bool
 608 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 609 {
 610         struct pending_remote *remote_surf, *next_remote_surf;
 611         struct ivi_compositor *ivi = surface->ivi;
 612         const char *_app_id =
 613                 weston_desktop_surface_get_app_id(surface->dsurface);
 614
 615         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
 616                 return false;
 617
 618         wl_list_for_each_safe(remote_surf, next_remote_surf,
 619                               &ivi->remote_pending_apps, link) {
 620                 if (!strcmp(_app_id, remote_surf->app_id)) {
 621                         surface->remote.output = remote_surf->ioutput;
 622                         if (!ivi_compositor_keep_pending_surfaces(surface))
 623                                 ivi_remove_pending_desktop_surface_remote(remote_surf);
 624                         return true;
 625                 }
 626         }
 627
 628         return false;
 629 }
 630 void
 631 ivi_check_pending_surface_desktop(struct ivi_surface *surface,
 632                                   enum ivi_surface_role *role)
 633 {
 634         struct ivi_compositor *ivi = surface->ivi;
 635         struct wl_list *role_pending_list;
 636         struct pending_popup *p_popup;
 637         struct pending_split *p_split;
 638         struct pending_fullscreen *p_fullscreen;
 639         struct pending_remote *p_remote;
 640         const char *app_id =
 641                 weston_desktop_surface_get_app_id(surface->dsurface);
 642
 643         role_pending_list = &ivi->popup_pending_apps;
 644         wl_list_for_each(p_popup, role_pending_list, link) {
 645                 if (app_id && !strcmp(app_id, p_popup->app_id)) {
 646                         *role = IVI_SURFACE_ROLE_POPUP;
 647                         return;
 648                 }
 649         }
 650
 651         role_pending_list = &ivi->split_pending_apps;
 652         wl_list_for_each(p_split, role_pending_list, link) {
 653                 if (app_id && !strcmp(app_id, p_split->app_id)) {
 654                         *role = IVI_SURFACE_ROLE_SPLIT_V;
 655                         return;
 656                 }
 657         }
 658
 659         role_pending_list = &ivi->fullscreen_pending_apps;
 660         wl_list_for_each(p_fullscreen, role_pending_list, link) {
 661                 if (app_id && !strcmp(app_id, p_fullscreen->app_id)) {
 662                         *role = IVI_SURFACE_ROLE_FULLSCREEN;
 663                         return;
 664                 }
 665         }
 666
 667         role_pending_list = &ivi->remote_pending_apps;
 668         wl_list_for_each(p_remote, role_pending_list, link) {
 669                 if (app_id && !strcmp(app_id, p_remote->app_id)) {
 670                         *role = IVI_SURFACE_ROLE_REMOTE;
 671                         return;
 672                 }
 673         }
 674
 675         /* else, we are a regular desktop surface */
 676         *role = IVI_SURFACE_ROLE_DESKTOP;
 677 }
 678
 679
 680 void
 681 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 682 {
 683         bool ret = false;
 684
 685         ret = ivi_check_pending_desktop_surface_popup(surface);
 686         if (ret) {
 687                 ivi_set_desktop_surface_popup(surface);
 688                 ivi_layout_popup_committed(surface);
 689                 return;
 690         }
 691
 692         ret = ivi_check_pending_desktop_surface_split(surface);
 693         if (ret) {
 694                 ivi_set_desktop_surface_split(surface);
 695                 ivi_layout_split_committed(surface);
 696                 return;
 697         }
 698
 699         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 700         if (ret) {
 701                 ivi_set_desktop_surface_fullscreen(surface);
 702                 ivi_layout_fullscreen_committed(surface);
 703                 return;
 704         }
 705
 706         ret = ivi_check_pending_desktop_surface_remote(surface);
 707         if (ret) {
 708                 ivi_set_desktop_surface_remote(surface);
 709                 ivi_layout_desktop_committed(surface);
 710                 return;
 711         }
 712
 713         /* if we end up here means we have a regular desktop app and
 714          * try to activate it */
 715         ivi_set_desktop_surface(surface);
 716         ivi_layout_desktop_committed(surface);
 717 }
 718
 719 void
 720 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 721 {
 722         struct ivi_output *out;
 723
 724         wl_list_for_each(out, &ivi->outputs, link) {
 725                 create_black_curtain_view(out);
 726                 insert_black_curtain(out);
 727         }
 728 }
 729
 730 int
 731 ivi_shell_init(struct ivi_compositor *ivi)
 732 {
 733         weston_layer_init(&ivi->hidden, ivi->compositor);
 734         weston_layer_init(&ivi->background, ivi->compositor);
 735         weston_layer_init(&ivi->normal, ivi->compositor);
 736         weston_layer_init(&ivi->panel, ivi->compositor);
 737         weston_layer_init(&ivi->popup, ivi->compositor);
 738         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 739
 740         weston_layer_set_position(&ivi->hidden,
 741                                   WESTON_LAYER_POSITION_HIDDEN);
 742         weston_layer_set_position(&ivi->background,
 743                                   WESTON_LAYER_POSITION_BACKGROUND);
 744         weston_layer_set_position(&ivi->normal,
 745                                   WESTON_LAYER_POSITION_NORMAL);
 746         weston_layer_set_position(&ivi->panel,
 747                                   WESTON_LAYER_POSITION_UI);
 748         weston_layer_set_position(&ivi->popup,
 749                                   WESTON_LAYER_POSITION_TOP_UI);
 750         weston_layer_set_position(&ivi->fullscreen,
 751                                   WESTON_LAYER_POSITION_FULLSCREEN);
 752
 753         return 0;
 754 }
 755
 756
 757 static void
 758 ivi_surf_destroy(struct ivi_surface *surf)
 759 {
 760         struct weston_surface *wsurface = surf->view->surface;
 761
 762         if (weston_surface_is_mapped(wsurface)) {
 763                 weston_desktop_surface_unlink_view(surf->view);
 764                 weston_view_destroy(surf->view);
 765         }
 766
 767         wl_list_remove(&surf->link);
 768         free(surf);
 769 }
 770
 771 static void
 772 ivi_shell_destroy_views_on_layer(struct weston_layer *layer)
 773 {
 774         struct weston_view *view, *view_next;
 775
 776         wl_list_for_each_safe(view, view_next, &layer->view_list.link, layer_link.link) {
 777                 struct ivi_surface *ivi_surf =
 778                         get_ivi_shell_surface(view->surface);
 779                 if (ivi_surf)
 780                         ivi_surf_destroy(ivi_surf);
 781         }
 782 }
 783
 784 void
 785 ivi_shell_finalize(struct ivi_compositor *ivi)
 786 {
 787         struct ivi_output *output;
 788
 789         ivi_shell_destroy_views_on_layer(&ivi->hidden);
 790         weston_layer_fini(&ivi->hidden);
 791
 792         ivi_shell_destroy_views_on_layer(&ivi->background);
 793         weston_layer_fini(&ivi->background);
 794
 795         ivi_shell_destroy_views_on_layer(&ivi->normal);
 796         weston_layer_fini(&ivi->normal);
 797
 798         ivi_shell_destroy_views_on_layer(&ivi->panel);
 799         weston_layer_fini(&ivi->panel);
 800
 801         ivi_shell_destroy_views_on_layer(&ivi->popup);
 802         weston_layer_fini(&ivi->popup);
 803
 804         wl_list_for_each(output, &ivi->outputs, link) {
 805                 if (output->fullscreen_view.fs &&
 806                     output->fullscreen_view.fs->view) {
 807                         weston_surface_destroy(output->fullscreen_view.fs->view->surface);
 808                         output->fullscreen_view.fs->view = NULL;
 809                 }
 810         }
 811         weston_layer_fini(&ivi->fullscreen);
 812 }
 813
 814 static void
 815 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 816 {
 817         struct ivi_surface *surface;
 818
 819         wl_list_for_each(surface, &ivi->surfaces, link) {
 820                 const char *app_id =
 821                         weston_desktop_surface_get_app_id(surface->dsurface);
 822                 if (app_id == NULL) {
 823                         weston_log("WARNING app_is is null, unable to advertise\n");
 824                         return;
 825                 }
 826                 agl_shell_desktop_send_application(resource, app_id);
 827         }
 828 }
 829
 830 static struct wl_client *
 831 client_launch(struct weston_compositor *compositor,
 832                      struct weston_process *proc,
 833                      const char *path,
 834                      weston_process_cleanup_func_t cleanup)
 835 {
 836         struct wl_client *client = NULL;
 837         struct custom_env child_env;
 838         struct fdstr wayland_socket;
 839         const char *fail_cloexec = "Couldn't unset CLOEXEC on client socket";
 840         const char *fail_seteuid = "Couldn't call seteuid";
 841         char *fail_exec;
 842         char * const *argp;
 843         char * const *envp;
 844         sigset_t allsigs;
 845         pid_t pid;
 846         bool ret;
 847         struct ivi_compositor *ivi;
 848         size_t written __attribute__((unused));
 849
 850         weston_log("launching '%s'\n", path);
 851         str_printf(&fail_exec, "Error: Couldn't launch client '%s'\n", path);
 852
 853         custom_env_init_from_environ(&child_env);
 854         custom_env_add_from_exec_string(&child_env, path);
 855
 856         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0,
 857                                   wayland_socket.fds) < 0) {
 858                 weston_log("client_launch: "
 859                            "socketpair failed while launching '%s': %s\n",
 860                            path, strerror(errno));
 861                 custom_env_fini(&child_env);
 862                 return NULL;
 863         }
 864         fdstr_update_str1(&wayland_socket);
 865         custom_env_set_env_var(&child_env, "WAYLAND_SOCKET",
 866                                wayland_socket.str1);
 867
 868         argp = custom_env_get_argp(&child_env);
 869         envp = custom_env_get_envp(&child_env);
 870
 871         pid = fork();
 872         switch (pid) {
 873         case 0:
 874                 /* Put the client in a new session so it won't catch signals
 875                  * intended for the parent. Sharing a session can be
 876                  * confusing when launching weston under gdb, as the ctrl-c
 877                  * intended for gdb will pass to the child, and weston
 878                  * will cleanly shut down when the child exits.
 879                  */
 880                 setsid();
 881
 882                 /* do not give our signal mask to the new process */
 883                 sigfillset(&allsigs);
 884                 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
 885
 886                 /* Launch clients as the user. Do not launch clients with wrong euid. */
 887                 if (seteuid(getuid()) == -1) {
 888                         written = write(STDERR_FILENO, fail_seteuid, strlen(fail_seteuid));
 889                         _exit(EXIT_FAILURE);
 890                 }
 891
 892                 ret = fdstr_clear_cloexec_fd1(&wayland_socket);
 893                 if (!ret) {
 894                         written = write(STDERR_FILENO, fail_cloexec, strlen(fail_cloexec));
 895                         _exit(EXIT_FAILURE);
 896                 }
 897
 898                 execve(argp[0], argp, envp);
 899
 900                 if (fail_exec)
 901                         written = write(STDERR_FILENO, fail_exec, strlen(fail_exec));
 902                 _exit(EXIT_FAILURE);
 903
 904         default:
 905                 close(wayland_socket.fds[1]);
 906                 ivi = weston_compositor_get_user_data(compositor);
 907                 client = wl_client_create(compositor->wl_display,
 908                                           wayland_socket.fds[0]);
 909                 if (!client) {
 910                         custom_env_fini(&child_env);
 911                         close(wayland_socket.fds[0]);
 912                         free(fail_exec);
 913                         weston_log("client_launch: "
 914                                 "wl_client_create failed while launching '%s'.\n",
 915                                 path);
 916                         return NULL;
 917                 }
 918
 919                 proc->pid = pid;
 920                 proc->cleanup = cleanup;
 921                 wl_list_insert(&ivi->child_process_list, &proc->link);
 922                 break;
 923
 924         case -1:
 925                 fdstr_close_all(&wayland_socket);
 926                 weston_log("client_launch: "
 927                            "fork failed while launching '%s': %s\n", path,
 928                            strerror(errno));
 929                 break;
 930         }
 931
 932         custom_env_fini(&child_env);
 933         free(fail_exec);
 934
 935         return client;
 936 }
 937
 938 struct process_info {
 939         struct weston_process proc;
 940         char *path;
 941 };
 942
 943 int
 944 sigchld_handler(int signal_number, void *data)
 945 {
 946         struct weston_process *p;
 947         struct ivi_compositor *ivi = data;
 948         int status;
 949         pid_t pid;
 950
 951         while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
 952                 wl_list_for_each(p, &ivi->child_process_list, link) {
 953                         if (p->pid == pid)
 954                                 break;
 955                 }
 956
 957                 if (&p->link == &ivi->child_process_list) {
 958                         weston_log("unknown child process exited\n");
 959                         continue;
 960                 }
 961
 962                 wl_list_remove(&p->link);
 963                 wl_list_init(&p->link);
 964                 p->cleanup(p, status);
 965         }
 966
 967         if (pid < 0 && errno != ECHILD)
 968                 weston_log("waitpid error %s\n", strerror(errno));
 969
 970         return 1;
 971 }
 972
 973
 974 static void
 975 process_handle_sigchld(struct weston_process *process, int status)
 976 {
 977         struct process_info *pinfo =
 978                 container_of(process, struct process_info, proc);
 979
 980         /*
 981          * There are no guarantees whether this runs before or after
 982          * the wl_client destructor.
 983          */
 984
 985         if (WIFEXITED(status)) {
 986                 weston_log("%s exited with status %d\n", pinfo->path,
 987                            WEXITSTATUS(status));
 988         } else if (WIFSIGNALED(status)) {
 989                 weston_log("%s died on signal %d\n", pinfo->path,
 990                            WTERMSIG(status));
 991         } else {
 992                 weston_log("%s disappeared\n", pinfo->path);
 993         }
 994
 995         free(pinfo->path);
 996         free(pinfo);
 997 }
 998
 999 int
1000 ivi_launch_shell_client(struct ivi_compositor *ivi, const char *cmd_section,
1001                         struct wl_client **client)
1002 {
1003         struct process_info *pinfo;
1004         struct weston_config_section *section;
1005         char *command = NULL;
1006
1007         section = weston_config_get_section(ivi->config, cmd_section, NULL, NULL);
1008         if (section)
1009                 weston_config_section_get_string(section, "command", &command, NULL);
1010
1011         if (!command)
1012                 return -1;
1013
1014         pinfo = zalloc(sizeof *pinfo);
1015         if (!pinfo)
1016                 return -1;
1017
1018         pinfo->path = strdup(command);
1019         if (!pinfo->path)
1020                 goto out_free;
1021
1022         *client = client_launch(ivi->compositor, &pinfo->proc, command, process_handle_sigchld);
1023         if (!*client)
1024                 goto out_str;
1025
1026         return 0;
1027
1028 out_str:
1029         free(pinfo->path);
1030
1031 out_free:
1032         free(pinfo);
1033
1034         return -1;
1035 }
1036
1037 static void
1038 destroy_black_curtain_view(struct wl_listener *listener, void *data)
1039 {
1040         struct fullscreen_view *fs =
1041                 wl_container_of(listener, fs, fs_destroy);
1042
1043
1044         if (fs && fs->fs) {
1045                 wl_list_remove(&fs->fs_destroy.link);
1046                 free(fs->fs);
1047         }
1048 }
1049
1050
1051 static void
1052 create_black_curtain_view(struct ivi_output *output)
1053 {
1054         struct weston_surface *surface = NULL;
1055         struct weston_view *view;
1056         struct ivi_compositor *ivi = output->ivi;
1057         struct weston_compositor *wc= ivi->compositor;
1058         struct weston_output *woutput = output->output;
1059
1060         if (!woutput)
1061                 return;
1062
1063         surface = weston_surface_create(wc);
1064         if (!surface)
1065                 return;
1066         view = weston_view_create(surface);
1067         if (!view) {
1068                 weston_surface_destroy(surface);
1069                 return;
1070         }
1071
1072         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
1073         weston_surface_set_size(surface, woutput->width, woutput->height);
1074         weston_view_set_position(view, woutput->x, woutput->y);
1075
1076         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
1077         if (!output->fullscreen_view.fs) {
1078                 weston_surface_destroy(surface);
1079                 return;
1080         }
1081         output->fullscreen_view.fs->view = view;
1082
1083         output->fullscreen_view.fs_destroy.notify = destroy_black_curtain_view;
1084         wl_signal_add(&woutput->destroy_signal,
1085                       &output->fullscreen_view.fs_destroy);
1086 }
1087
1088 bool
1089 output_has_black_curtain(struct ivi_output *output)
1090 {
1091         return (output->fullscreen_view.fs->view &&
1092                 output->fullscreen_view.fs->view->is_mapped &&
1093                 output->fullscreen_view.fs->view->surface->is_mapped);
1094 }
1095
1096 void
1097 remove_black_curtain(struct ivi_output *output)
1098 {
1099         struct weston_view *view;
1100
1101         if ((!output &&
1102             !output->fullscreen_view.fs &&
1103             !output->fullscreen_view.fs->view) ||
1104             !output->fullscreen_view.fs) {
1105                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1106                 return;
1107         }
1108
1109         view = output->fullscreen_view.fs->view;
1110         assert(view->is_mapped == true ||
1111                view->surface->is_mapped == true);
1112
1113         view->is_mapped = false;
1114         view->surface->is_mapped = false;
1115
1116         weston_layer_entry_remove(&view->layer_link);
1117         weston_view_update_transform(view);
1118
1119         weston_view_damage_below(view);
1120
1121         weston_log("Removed black curtain from output %s\n", output->output->name);
1122 }
1123
1124 void
1125 insert_black_curtain(struct ivi_output *output)
1126 {
1127         struct weston_view *view;
1128
1129         if ((!output &&
1130             !output->fullscreen_view.fs &&
1131             !output->fullscreen_view.fs->view) || !output->output ||
1132             !output->fullscreen_view.fs) {
1133                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1134                 return;
1135         }
1136
1137         view = output->fullscreen_view.fs->view;
1138         if (view->is_mapped || view->surface->is_mapped)
1139                 return;
1140
1141         weston_layer_entry_remove(&view->layer_link);
1142         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
1143                                   &view->layer_link);
1144
1145         view->is_mapped = true;
1146         view->surface->is_mapped = true;
1147
1148         weston_view_update_transform(view);
1149         weston_view_damage_below(view);
1150
1151         weston_log("Added black curtain to output %s\n", output->output->name);
1152 }
1153
1154 void
1155 shell_send_app_state(struct ivi_compositor *ivi, const char *app_id,
1156                      enum agl_shell_app_state state)
1157 {
1158         if (app_id && wl_resource_get_version(ivi->shell_client.resource) >=
1159             AGL_SHELL_APP_STATE_SINCE_VERSION) {
1160
1161                 agl_shell_send_app_state(ivi->shell_client.resource,
1162                                          app_id, state);
1163
1164                 if (ivi->shell_client.resource_ext)
1165                         agl_shell_send_app_state(ivi->shell_client.resource_ext,
1166                                                  app_id, state);
1167         }
1168 }
1169
1170 static void
1171 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
1172 {
1173         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1174         struct ivi_output *output;
1175         struct ivi_surface *surface, *tmp;
1176
1177         if (ivi->shell_client.status == BOUND_FAILED) {
1178                 wl_resource_post_error(shell_res,
1179                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1180                                        "agl_shell has already been bound. "
1181                                        "Check out bound_fail event");
1182                 return;
1183         }
1184
1185         /* Init already finished. Do nothing */
1186         if (ivi->shell_client.ready)
1187                 return;
1188
1189
1190         ivi->shell_client.ready = true;
1191
1192         wl_list_for_each(output, &ivi->outputs, link) {
1193                 if (output->background &&
1194                     output->background->role == IVI_SURFACE_ROLE_BACKGROUND) {
1195                         /* track the background surface role as a "regular"
1196                          * surface so we can activate it */
1197                         ivi_set_background_surface(output->background);
1198                         remove_black_curtain(output);
1199                 }
1200
1201                 ivi_layout_init(ivi, output);
1202         }
1203
1204         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
1205                 const char *app_id;
1206
1207                 wl_list_remove(&surface->link);
1208                 wl_list_init(&surface->link);
1209                 ivi_check_pending_desktop_surface(surface);
1210                 surface->checked_pending = true;
1211                 app_id = weston_desktop_surface_get_app_id(surface->dsurface);
1212
1213                 shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_STARTED);
1214         }
1215 }
1216
1217 static void
1218 shell_set_background(struct wl_client *client,
1219                      struct wl_resource *shell_res,
1220                      struct wl_resource *surface_res,
1221                      struct wl_resource *output_res)
1222 {
1223         struct weston_head *head = weston_head_from_resource(output_res);
1224         struct weston_output *woutput = weston_head_get_output(head);
1225         struct ivi_output *output = to_ivi_output(woutput);
1226         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1227         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1228         struct weston_desktop_surface *dsurface;
1229         struct ivi_surface *surface;
1230
1231         if (ivi->shell_client.status == BOUND_FAILED ||
1232              ivi->shell_client.resource_ext == shell_res) {
1233                 wl_resource_post_error(shell_res,
1234                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1235                                        "agl_shell has already been bound. "
1236                                        "Check out bound_fail event");
1237                 return;
1238         }
1239
1240         dsurface = weston_surface_get_desktop_surface(wsurface);
1241         if (!dsurface) {
1242                 wl_resource_post_error(shell_res,
1243                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1244                                        "surface must be a desktop surface");
1245                 return;
1246         }
1247
1248         surface = weston_desktop_surface_get_user_data(dsurface);
1249         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1250                 wl_resource_post_error(shell_res,
1251                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1252                                        "surface already has another ivi role");
1253                 return;
1254         }
1255
1256         if (output->background) {
1257                 wl_resource_post_error(shell_res,
1258                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1259                                        "output already has background");
1260                 return;
1261         }
1262
1263         surface->checked_pending = true;
1264         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1265         surface->bg.output = output;
1266         wl_list_remove(&surface->link);
1267         wl_list_init(&surface->link);
1268
1269         output->background = surface;
1270
1271         weston_desktop_surface_set_maximized(dsurface, true);
1272         weston_desktop_surface_set_size(dsurface,
1273                                         output->output->width,
1274                                         output->output->height);
1275 }
1276
1277 static void
1278 shell_set_panel(struct wl_client *client,
1279                 struct wl_resource *shell_res,
1280                 struct wl_resource *surface_res,
1281                 struct wl_resource *output_res,
1282                 uint32_t edge)
1283 {
1284         struct weston_head *head = weston_head_from_resource(output_res);
1285         struct weston_output *woutput = weston_head_get_output(head);
1286         struct ivi_output *output = to_ivi_output(woutput);
1287         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1288         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1289         struct weston_desktop_surface *dsurface;
1290         struct ivi_surface *surface;
1291         struct ivi_surface **member;
1292         int32_t width = 0, height = 0;
1293
1294         if (ivi->shell_client.status == BOUND_FAILED ||
1295             ivi->shell_client.resource_ext == shell_res) {
1296                 wl_resource_post_error(shell_res,
1297                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1298                                        "agl_shell has already been bound. "
1299                                        "Check out bound_fail event");
1300                 return;
1301         }
1302
1303         dsurface = weston_surface_get_desktop_surface(wsurface);
1304         if (!dsurface) {
1305                 wl_resource_post_error(shell_res,
1306                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1307                                        "surface must be a desktop surface");
1308                 return;
1309         }
1310
1311         surface = weston_desktop_surface_get_user_data(dsurface);
1312         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1313                 wl_resource_post_error(shell_res,
1314                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1315                                        "surface already has another ivi role");
1316                 return;
1317         }
1318
1319         switch (edge) {
1320         case AGL_SHELL_EDGE_TOP:
1321                 member = &output->top;
1322                 break;
1323         case AGL_SHELL_EDGE_BOTTOM:
1324                 member = &output->bottom;
1325                 break;
1326         case AGL_SHELL_EDGE_LEFT:
1327                 member = &output->left;
1328                 break;
1329         case AGL_SHELL_EDGE_RIGHT:
1330                 member = &output->right;
1331                 break;
1332         default:
1333                 wl_resource_post_error(shell_res,
1334                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1335                                        "invalid edge for panel");
1336                 return;
1337         }
1338
1339         if (*member) {
1340                 wl_resource_post_error(shell_res,
1341                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1342                                        "output already has panel on this edge");
1343                 return;
1344         }
1345
1346         surface->checked_pending = true;
1347         surface->role = IVI_SURFACE_ROLE_PANEL;
1348         surface->panel.output = output;
1349         surface->panel.edge = edge;
1350         wl_list_remove(&surface->link);
1351         wl_list_init(&surface->link);
1352
1353         *member = surface;
1354
1355         switch (surface->panel.edge) {
1356         case AGL_SHELL_EDGE_TOP:
1357         case AGL_SHELL_EDGE_BOTTOM:
1358                 width = woutput->width;
1359                 break;
1360         case AGL_SHELL_EDGE_LEFT:
1361         case AGL_SHELL_EDGE_RIGHT:
1362                 height = woutput->height;
1363                 break;
1364         }
1365
1366         weston_desktop_surface_set_size(dsurface, width, height);
1367 }
1368
1369 void
1370 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1371                           const char *data, uint32_t app_state)
1372 {
1373         struct desktop_client *dclient;
1374         uint32_t app_role;
1375         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1376         struct ivi_policy *policy = ivi->policy;
1377
1378         /* FIXME: should queue it here and see when binding agl-shell-desktop
1379          * if there are any to be sent */
1380         if (!surf)
1381                 return;
1382
1383         if (!app_id)
1384                 return;
1385
1386         if (policy && policy->api.surface_advertise_state_change &&
1387             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1388                 return;
1389         }
1390
1391         app_role = surf->role;
1392         if (app_role == IVI_SURFACE_ROLE_POPUP)
1393                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1394
1395         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1396                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1397                                                  data, app_state, app_role);
1398 }
1399
1400 static void
1401 shell_activate_app(struct wl_client *client,
1402                    struct wl_resource *shell_res,
1403                    const char *app_id,
1404                    struct wl_resource *output_res)
1405 {
1406         struct weston_head *head = weston_head_from_resource(output_res);
1407         struct weston_output *woutput = weston_head_get_output(head);
1408         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1409         struct ivi_output *output = to_ivi_output(woutput);
1410
1411         if (ivi->shell_client.status == BOUND_FAILED) {
1412                 wl_resource_post_error(shell_res,
1413                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1414                                        "agl_shell has already been bound. "
1415                                        "Check out bound_fail event");
1416                 return;
1417         }
1418
1419         ivi_layout_activate(output, app_id);
1420 }
1421
1422 static void
1423 shell_desktop_activate_app(struct wl_client *client,
1424                            struct wl_resource *shell_res,
1425                            const char *app_id, const char *data,
1426                            struct wl_resource *output_res)
1427 {
1428         struct weston_head *head = weston_head_from_resource(output_res);
1429         struct weston_output *woutput = weston_head_get_output(head);
1430         struct ivi_output *output = to_ivi_output(woutput);
1431
1432         ivi_layout_activate(output, app_id);
1433         shell_advertise_app_state(output->ivi, app_id,
1434                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1435 }
1436
1437 static void
1438 shell_deactivate_app(struct wl_client *client,
1439                    struct wl_resource *shell_res,
1440                    const char *app_id)
1441 {
1442         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1443         struct ivi_compositor *ivi = dclient->ivi;
1444
1445         ivi_layout_deactivate(ivi, app_id);
1446         shell_advertise_app_state(ivi, app_id,
1447                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1448 }
1449
1450 static void
1451 shell_destroy(struct wl_client *client, struct wl_resource *res)
1452 {
1453         struct  ivi_compositor *ivi = wl_resource_get_user_data(res);
1454
1455         /* reset status in case bind_fail was sent */
1456         if (ivi->shell_client.status == BOUND_FAILED)
1457                 ivi->shell_client.status = BOUND_OK;
1458 }
1459
1460 static void
1461 shell_set_activate_region(struct wl_client *client, struct wl_resource *res,
1462                          struct wl_resource *output, int x, int y,
1463                          int width, int height)
1464 {
1465        struct ivi_compositor *ivi = wl_resource_get_user_data(res);
1466        struct weston_head *head = weston_head_from_resource(output);
1467        struct weston_output *woutput = weston_head_get_output(head);
1468        struct ivi_output *ioutput = to_ivi_output(woutput);
1469
1470        struct weston_geometry area = { .x = x, .y = y,
1471                                        .width = width,
1472                                        .height = height };
1473        if (ivi->shell_client.ready)
1474                return;
1475
1476        ioutput->area_activation = area;
1477 }
1478
1479 static void
1480 shell_ext_destroy(struct wl_client *client, struct wl_resource *res)
1481 {
1482         wl_resource_destroy(res);
1483 }
1484
1485 static void
1486 shell_ext_doas(struct wl_client *client, struct wl_resource *res)
1487 {
1488         struct  ivi_compositor *ivi = wl_resource_get_user_data(res);
1489
1490         ivi->shell_client_ext.doas_requested = true;
1491         agl_shell_ext_send_doas_done(ivi->shell_client_ext.resource,
1492                                      AGL_SHELL_EXT_DOAS_SHELL_CLIENT_STATUS_SUCCESS);
1493 }
1494
1495 static const struct agl_shell_interface agl_shell_implementation = {
1496         .ready = shell_ready,
1497         .set_background = shell_set_background,
1498         .set_panel = shell_set_panel,
1499         .activate_app = shell_activate_app,
1500         .destroy = shell_destroy,
1501         .set_activate_region = shell_set_activate_region
1502 };
1503
1504 static const struct agl_shell_ext_interface agl_shell_ext_implementation = {
1505         .destroy = shell_ext_destroy,
1506         .doas_shell_client = shell_ext_doas,
1507 };
1508
1509 static void
1510 shell_desktop_set_app_property(struct wl_client *client,
1511                                struct wl_resource *shell_res,
1512                                const char *app_id, uint32_t role,
1513                                int x, int y, int bx, int by,
1514                                int width, int height,
1515                                struct wl_resource *output_res)
1516 {
1517         struct weston_head *head = weston_head_from_resource(output_res);
1518         struct weston_output *woutput = weston_head_get_output(head);
1519         struct ivi_output *output = to_ivi_output(woutput);
1520
1521         switch (role) {
1522         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1523                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1524                                                       width, height, app_id);
1525                 break;
1526         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1527                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1528                 break;
1529         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1530         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1531                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1532                 break;
1533         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1534                 ivi_set_pending_desktop_surface_remote(output, app_id);
1535                 break;
1536         default:
1537                 break;
1538         }
1539 }
1540
1541 void
1542 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1543 {
1544         struct pending_popup *p_popup, *next_p_popup;
1545         struct pending_split *split_surf, *next_split_surf;
1546         struct pending_fullscreen *fs_surf, *next_fs_surf;
1547         struct pending_remote *remote_surf, *next_remote_surf;
1548
1549         wl_list_for_each_safe(p_popup, next_p_popup,
1550                               &ivi->popup_pending_apps, link)
1551                 ivi_remove_pending_desktop_surface_popup(p_popup);
1552
1553         wl_list_for_each_safe(split_surf, next_split_surf,
1554                               &ivi->split_pending_apps, link)
1555                 ivi_remove_pending_desktop_surface_split(split_surf);
1556
1557         wl_list_for_each_safe(fs_surf, next_fs_surf,
1558                               &ivi->fullscreen_pending_apps, link)
1559                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1560
1561         wl_list_for_each_safe(remote_surf, next_remote_surf,
1562                               &ivi->remote_pending_apps, link)
1563                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1564 }
1565
1566 static void
1567 shell_desktop_set_app_property_mode(struct wl_client *client,
1568                                     struct wl_resource *shell_res, uint32_t perm)
1569 {
1570         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1571         if (perm) {
1572                 dclient->ivi->keep_pending_surfaces = true;
1573         } else {
1574                 dclient->ivi->keep_pending_surfaces = false;
1575                 /* remove any previous pending surfaces */
1576                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1577         }
1578 }
1579
1580 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1581         .activate_app = shell_desktop_activate_app,
1582         .set_app_property = shell_desktop_set_app_property,
1583         .deactivate_app = shell_deactivate_app,
1584         .set_app_property_mode = shell_desktop_set_app_property_mode,
1585 };
1586
1587 static void
1588 unbind_agl_shell(struct wl_resource *resource)
1589 {
1590         struct ivi_compositor *ivi;
1591         struct ivi_output *output;
1592         struct ivi_surface *surf, *surf_tmp;
1593
1594         ivi = wl_resource_get_user_data(resource);
1595
1596         /* reset status to allow other clients issue legit requests */
1597         if (ivi->shell_client.status == BOUND_FAILED) {
1598                 ivi->shell_client.status = BOUND_OK;
1599                 return;
1600         }
1601
1602         wl_list_for_each(output, &ivi->outputs, link) {
1603                 /* reset the active surf if there's one present */
1604                 if (output->active) {
1605                         output->active->view->is_mapped = false;
1606                         output->active->view->surface->is_mapped = false;
1607
1608                         weston_layer_entry_remove(&output->active->view->layer_link);
1609                         output->active = NULL;
1610                 }
1611
1612                 insert_black_curtain(output);
1613         }
1614
1615         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1616                 wl_list_remove(&surf->link);
1617                 wl_list_init(&surf->link);
1618         }
1619
1620         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1621                 wl_list_remove(&surf->link);
1622                 wl_list_init(&surf->link);
1623         }
1624
1625         wl_list_init(&ivi->surfaces);
1626         wl_list_init(&ivi->pending_surfaces);
1627
1628         ivi->shell_client.ready = false;
1629         ivi->shell_client.resource = NULL;
1630         ivi->shell_client.client = NULL;
1631 }
1632
1633 static void
1634 unbind_agl_shell_ext(struct wl_resource *resource)
1635 {
1636         struct ivi_compositor *ivi = wl_resource_get_user_data(resource);
1637
1638         ivi->shell_client_ext.resource = NULL;
1639 }
1640
1641 static void
1642 bind_agl_shell(struct wl_client *client,
1643                void *data, uint32_t version, uint32_t id)
1644 {
1645         struct ivi_compositor *ivi = data;
1646         struct wl_resource *resource;
1647         struct ivi_policy *policy;
1648         void *interface;
1649
1650         policy = ivi->policy;
1651         interface = (void *) &agl_shell_interface;
1652         if (policy && policy->api.shell_bind_interface &&
1653             !policy->api.shell_bind_interface(client, interface)) {
1654                 wl_client_post_implementation_error(client,
1655                                        "client not authorized to use agl_shell");
1656                 return;
1657         }
1658
1659         resource = wl_resource_create(client, &agl_shell_interface, version, id);
1660         if (!resource) {
1661                 wl_client_post_no_memory(client);
1662                 return;
1663         }
1664
1665         if (ivi->shell_client.resource) {
1666                 if (wl_resource_get_version(resource) == 1) {
1667                         wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1668                                                "agl_shell has already been bound");
1669                         return;
1670                 }
1671
1672                 if (ivi->shell_client_ext.resource &&
1673                     ivi->shell_client_ext.doas_requested) {
1674
1675                         /* reset status in case client-ext doesn't send an
1676                          * explicit agl_shell_destroy request, see
1677                          * shell_destroy() */
1678                         if (ivi->shell_client.status == BOUND_FAILED)
1679                                 ivi->shell_client.status = BOUND_OK;
1680
1681                         wl_resource_set_implementation(resource, &agl_shell_implementation,
1682                                                        ivi, NULL);
1683                         ivi->shell_client.resource_ext = resource;
1684
1685                         ivi->shell_client_ext.status = BOUND_OK;
1686                         agl_shell_send_bound_ok(ivi->shell_client.resource_ext);
1687
1688                         return;
1689                 } else {
1690                         wl_resource_set_implementation(resource, &agl_shell_implementation,
1691                                                        ivi, NULL);
1692                         agl_shell_send_bound_fail(resource);
1693                         ivi->shell_client.status = BOUND_FAILED;
1694                         return;
1695                 }
1696         }
1697
1698
1699         if (wl_resource_get_version(resource) >=
1700             AGL_SHELL_BOUND_OK_SINCE_VERSION) {
1701                 wl_resource_set_implementation(resource, &agl_shell_implementation,
1702                                                ivi, unbind_agl_shell);
1703                 ivi->shell_client.resource = resource;
1704                 /* if we land here we'll have BOUND_OK by default,
1705                    but still do the assignment */
1706                 ivi->shell_client.status = BOUND_OK;
1707                 agl_shell_send_bound_ok(ivi->shell_client.resource);
1708         }
1709 }
1710
1711 static void
1712 bind_agl_shell_ext(struct wl_client *client,
1713                    void *data, uint32_t version, uint32_t id)
1714 {
1715         struct ivi_compositor *ivi = data;
1716         struct wl_resource *resource;
1717
1718         resource = wl_resource_create(client, &agl_shell_ext_interface, version, id);
1719         if (!resource) {
1720                 wl_client_post_no_memory(client);
1721                 return;
1722         }
1723
1724         if (ivi->shell_client_ext.resource) {
1725                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1726                                        "agl_shell_ext has already been bound");
1727                 return;
1728         }
1729
1730         wl_resource_set_implementation(resource, &agl_shell_ext_implementation,
1731                                        ivi, unbind_agl_shell_ext);
1732         ivi->shell_client_ext.resource = resource;
1733 }
1734
1735 static void
1736 unbind_agl_shell_desktop(struct wl_resource *resource)
1737 {
1738         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1739
1740         wl_list_remove(&dclient->link);
1741         free(dclient);
1742 }
1743
1744 static void
1745 bind_agl_shell_desktop(struct wl_client *client,
1746                        void *data, uint32_t version, uint32_t id)
1747 {
1748         struct ivi_compositor *ivi = data;
1749         struct wl_resource *resource;
1750         struct ivi_policy *policy;
1751         struct desktop_client *dclient;
1752         void *interface;
1753
1754         policy = ivi->policy;
1755         interface  = (void *) &agl_shell_desktop_interface;
1756         if (policy && policy->api.shell_bind_interface &&
1757             !policy->api.shell_bind_interface(client, interface)) {
1758                 wl_client_post_implementation_error(client,
1759                                 "client not authorized to use agl_shell_desktop");
1760                 return;
1761         }
1762
1763         dclient = zalloc(sizeof(*dclient));
1764         if (!dclient) {
1765                 wl_client_post_no_memory(client);
1766                 return;
1767         }
1768
1769         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1770                                       version, id);
1771         dclient->ivi = ivi;
1772         if (!resource) {
1773                 wl_client_post_no_memory(client);
1774                 return;
1775         }
1776
1777         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1778                                        dclient, unbind_agl_shell_desktop);
1779
1780         dclient->resource = resource;
1781         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1782
1783         /* advertise xdg surfaces */
1784         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1785 }
1786
1787 int
1788 ivi_shell_create_global(struct ivi_compositor *ivi)
1789 {
1790         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1791                                           &agl_shell_interface, 4,
1792                                           ivi, bind_agl_shell);
1793         if (!ivi->agl_shell) {
1794                 weston_log("Failed to create wayland global.\n");
1795                 return -1;
1796         }
1797
1798         ivi->agl_shell_ext = wl_global_create(ivi->compositor->wl_display,
1799                                               &agl_shell_ext_interface, 1,
1800                                               ivi, bind_agl_shell_ext);
1801         if (!ivi->agl_shell_ext) {
1802                 weston_log("Failed to create agl_shell_ext global.\n");
1803                 return -1;
1804         }
1805
1806         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1807                                                   &agl_shell_desktop_interface, 2,
1808                                                   ivi, bind_agl_shell_desktop);
1809         if (!ivi->agl_shell_desktop) {
1810                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1811                 return -1;
1812         }
1813
1814         return 0;
1815 }