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 static struct ivi_surface *
  53 get_ivi_shell_surface(struct weston_surface *wsurface)
  54 {
  55         if (weston_surface_is_desktop_surface(wsurface)) {
  56                 struct weston_desktop_surface *dsurface =
  57                         weston_surface_get_desktop_surface(wsurface);
  58                 return weston_desktop_surface_get_user_data(dsurface);
  59         }
  60
  61         return NULL;
  62 }
  63
  64 void
  65 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
  66                                            struct ivi_surface *surface)
  67 {
  68         struct desktop_client *dclient;
  69         static bool display_adv = false;
  70
  71         if (surface->advertised_on_launch)
  72                 return;
  73
  74         /* advertise to all desktop clients the new surface */
  75         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
  76                 const char *app_id =
  77                         weston_desktop_surface_get_app_id(surface->dsurface);
  78                 if (app_id == NULL) {
  79                         if (!display_adv) {
  80                                 weston_log("WARNING app_is is null, unable to advertise\n");
  81                                 display_adv = true;
  82                         }
  83                         return;
  84                 }
  85                 agl_shell_desktop_send_application(dclient->resource, app_id);
  86                 surface->advertised_on_launch = true;
  87         }
  88 }
  89
  90 void
  91 ivi_set_desktop_surface(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_DESKTOP;
  97         wl_list_insert(&surface->ivi->surfaces, &surface->link);
  98
  99         agl_shell_desktop_advertise_application_id(ivi, surface);
 100 }
 101
 102 static void
 103 ivi_set_desktop_surface_popup(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_POPUP;
 109         wl_list_insert(&ivi->surfaces, &surface->link);
 110
 111         agl_shell_desktop_advertise_application_id(ivi, surface);
 112 }
 113
 114 static void
 115 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
 116 {
 117         struct ivi_compositor *ivi = surface->ivi;
 118         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 119
 120         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
 121         wl_list_insert(&ivi->surfaces, &surface->link);
 122
 123         agl_shell_desktop_advertise_application_id(ivi, surface);
 124 }
 125
 126 #ifdef HAVE_WALTHAM
 127 void
 128 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 129 {
 130         struct ivi_compositor *ivi = surface->ivi;
 131         const struct weston_transmitter_api *api =
 132                 ivi->waltham_transmitter_api;
 133
 134         if (!api)
 135                 return;
 136
 137         if (surface->waltham_surface.transmitter_surface)
 138                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
 139 }
 140
 141 static void
 142 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 143 {
 144         struct ivi_compositor *ivi = surface->ivi;
 145         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
 146         struct weston_transmitter *transmitter;
 147         struct weston_transmitter_remote *trans_remote;
 148         struct weston_surface *weston_surface;
 149         struct weston_output *woutput = surface->remote.output->output;
 150         const char *app_id;
 151
 152         if (!api)
 153                 return;
 154
 155         transmitter = api->transmitter_get(ivi->compositor);
 156         if (!transmitter)
 157                 return;
 158
 159         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
 160         if (!trans_remote) {
 161                 weston_log("Could not find a valie weston_transmitter_remote "
 162                                 "that matches the output %s\n", woutput->name);
 163                 return;
 164         }
 165
 166         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
 167         weston_surface =
 168                 weston_desktop_surface_get_surface(surface->dsurface);
 169
 170         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
 171
 172         /* this will have the effect of informing the remote side to create a
 173          * surface with the name app_id. W/ xdg-shell the following happens:
 174          *
 175          * compositor (server):
 176          * surface_push_to_remote():
 177          *      waltham-transmitter plug-in
 178          *              -> wthp_ivi_app_id_surface_create()
 179          *
 180          * client -- on the receiver side:
 181          *      -> wthp_ivi_app_id_surface_create()
 182          *              -> wth_receiver_weston_main()
 183          *                      -> wl_compositor_create_surface()
 184          *                      -> xdg_wm_base_get_xdg_surface
 185          *                      -> xdg_toplevel_set_app_id()
 186          *                      -> gst_init()
 187          *                      -> gst_parse_launch()
 188          *
 189          * wth_receiver_weston_main() will be invoked from the handler of
 190          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
 191          * the gstreamer pipeline as well.
 192          */
 193         surface->waltham_surface.transmitter_surface =
 194             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
 195 }
 196
 197 #else
 198 void
 199 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
 200 {
 201 }
 202 static void
 203 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
 204 {
 205 }
 206 #endif
 207
 208 static void
 209 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
 210 {
 211         struct ivi_compositor *ivi = surface->ivi;
 212         struct weston_view *view;
 213         struct ivi_output *output = surface->remote.output;
 214
 215         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 216
 217         /* remote type are the same as desktop just that client can tell
 218          * the compositor to start on another output */
 219         surface->role = IVI_SURFACE_ROLE_REMOTE;
 220
 221         /* if thew black surface view is mapped on the mean we need
 222          * to remove it in order to start showing the 'remote' surface
 223          * just being added */
 224         view = output->fullscreen_view.fs->view;
 225         if (view->is_mapped || view->surface->is_mapped)
 226                 remove_black_surface(output);
 227
 228         if (output->type == OUTPUT_WALTHAM)
 229                 ivi_output_notify_waltham_plugin(surface);
 230
 231         wl_list_insert(&ivi->surfaces, &surface->link);
 232 }
 233
 234
 235 static void
 236 ivi_set_desktop_surface_split(struct ivi_surface *surface)
 237 {
 238         struct ivi_compositor *ivi = surface->ivi;
 239         assert(surface->role == IVI_SURFACE_ROLE_NONE);
 240
 241         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
 242                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
 243         else
 244                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
 245
 246         wl_list_insert(&ivi->surfaces, &surface->link);
 247
 248         agl_shell_desktop_advertise_application_id(ivi, surface);
 249 }
 250
 251 static struct pending_popup *
 252 ivi_ensure_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
 253                  int width, int height, const char *app_id)
 254 {
 255         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
 256         size_t len_app_id = strlen(app_id);
 257
 258         if (!p_popup)
 259                 return NULL;
 260         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 261         if (!p_popup->app_id) {
 262                 free(p_popup);
 263                 return NULL;
 264         }
 265         memcpy(p_popup->app_id, app_id, len_app_id);
 266         p_popup->ioutput = ioutput;
 267         p_popup->x = x;
 268         p_popup->y = y;
 269
 270         p_popup->bb.x = bx;
 271         p_popup->bb.y = by;
 272         p_popup->bb.width = width;
 273         p_popup->bb.height = height;
 274
 275         return p_popup;
 276 }
 277
 278 static void
 279 ivi_update_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
 280                  int width, int height, const char *app_id, struct pending_popup *p_popup)
 281 {
 282         size_t len_app_id = strlen(app_id);
 283
 284         wl_list_remove(&p_popup->link);
 285         wl_list_init(&p_popup->link);
 286
 287         memset(p_popup->app_id, 0, strlen(app_id) + 1);
 288         free(p_popup->app_id);
 289
 290         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 291         if (!p_popup->app_id)
 292                 return;
 293         memcpy(p_popup->app_id, app_id, len_app_id);
 294
 295         p_popup->ioutput = ioutput;
 296         p_popup->x = x;
 297         p_popup->y = y;
 298
 299         p_popup->bb.x = bx;
 300         p_popup->bb.y = by;
 301         p_popup->bb.width = width;
 302         p_popup->bb.height = height;
 303 }
 304
 305 static struct pending_fullscreen *
 306 ivi_ensure_fullscreen(struct ivi_output *ioutput, const char *app_id)
 307 {
 308         struct pending_fullscreen *p_fullscreen = zalloc(sizeof(*p_fullscreen));
 309         size_t len_app_id = strlen(app_id);
 310
 311         if (!p_fullscreen)
 312                 return NULL;
 313         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 314         if (!p_fullscreen->app_id) {
 315                 free(p_fullscreen);
 316                 return NULL;
 317         }
 318         memcpy(p_fullscreen->app_id, app_id, len_app_id);
 319
 320         p_fullscreen->ioutput = ioutput;
 321         return p_fullscreen;
 322 }
 323
 324 static void
 325 ivi_update_fullscreen(struct ivi_output *ioutput, const char *app_id,
 326                       struct pending_fullscreen *p_fullscreen)
 327 {
 328         size_t len_app_id = strlen(app_id);
 329
 330         wl_list_remove(&p_fullscreen->link);
 331         wl_list_init(&p_fullscreen->link);
 332
 333         memset(p_fullscreen->app_id, 0, strlen(app_id) + 1);
 334         free(p_fullscreen->app_id);
 335
 336         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 337         if (!p_fullscreen->app_id)
 338                 return;
 339         memcpy(p_fullscreen->app_id, app_id, len_app_id);
 340
 341         p_fullscreen->ioutput = ioutput;
 342 }
 343
 344 static struct pending_remote *
 345 ivi_ensure_remote(struct ivi_output *ioutput, const char *app_id)
 346 {
 347         struct pending_remote *p_remote = zalloc(sizeof(*p_remote));
 348         size_t len_app_id = strlen(app_id);
 349
 350         if (!p_remote)
 351                 return NULL;
 352         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 353         if (!p_remote->app_id) {
 354                 free(p_remote);
 355                 return NULL;
 356         }
 357         memcpy(p_remote->app_id, app_id, len_app_id);
 358
 359         p_remote->ioutput = ioutput;
 360         return p_remote;
 361 }
 362
 363 static void
 364 ivi_update_remote(struct ivi_output *ioutput, const char *app_id,
 365                       struct pending_remote *p_remote)
 366 {
 367         size_t len_app_id = strlen(app_id);
 368
 369         wl_list_remove(&p_remote->link);
 370         wl_list_init(&p_remote->link);
 371
 372         memset(p_remote->app_id, 0, strlen(app_id) + 1);
 373         free(p_remote->app_id);
 374
 375         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 376         if (!p_remote->app_id)
 377                 return;
 378         memcpy(p_remote->app_id, app_id, len_app_id);
 379
 380         p_remote->ioutput = ioutput;
 381 }
 382
 383 static void
 384 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput, int x, int y, int bx,
 385                                       int by, int width, int height, const char *app_id)
 386 {
 387         struct ivi_compositor *ivi = ioutput->ivi;
 388         struct pending_popup *p_popup = NULL;
 389         struct pending_popup *popup;
 390
 391         wl_list_for_each(popup, &ivi->popup_pending_apps, link)
 392                 if (!strcmp(app_id, popup->app_id))
 393                         p_popup = popup;
 394
 395         if (!p_popup)
 396                 p_popup = ivi_ensure_popup(ioutput, x, y, bx, by, width, height, app_id);
 397         else
 398                 ivi_update_popup(ioutput, x, y, bx, by, width, height, app_id, p_popup);
 399         if (!p_popup)
 400                 return;
 401
 402         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
 403 }
 404
 405 static void
 406 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
 407                                            const char *app_id)
 408 {
 409         struct ivi_compositor *ivi = ioutput->ivi;
 410         struct pending_fullscreen *p_fullscreen = NULL;
 411         struct pending_fullscreen *fullscreen;
 412
 413         wl_list_for_each(fullscreen, &ivi->fullscreen_pending_apps, link)
 414                 if (!strcmp(app_id, fullscreen->app_id))
 415                         p_fullscreen = fullscreen;
 416
 417         if (!p_fullscreen)
 418                 p_fullscreen = ivi_ensure_fullscreen(ioutput, app_id);
 419         else
 420                 ivi_update_fullscreen(ioutput, app_id, p_fullscreen);
 421
 422         if (!p_fullscreen)
 423                 return;
 424         wl_list_insert(&ivi->fullscreen_pending_apps, &p_fullscreen->link);
 425 }
 426
 427 static void
 428 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
 429                                       const char *app_id, uint32_t orientation)
 430 {
 431         struct ivi_compositor *ivi = ioutput->ivi;
 432         struct ivi_surface *surf;
 433         size_t len_app_id = strlen(app_id);
 434         struct pending_split *split;
 435
 436         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
 437             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
 438                 return;
 439
 440         /* more than one is un-supported, do note we need to do
 441          * conversion for surface roles instead of using the protocol ones */
 442         wl_list_for_each(surf, &ivi->surfaces, link)
 443                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
 444                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
 445                         return;
 446
 447         split = zalloc(sizeof(*split));
 448         if (!split)
 449                 return;
 450         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
 451         if (!split->app_id) {
 452                 free(split);
 453                 return;
 454         }
 455         memcpy(split->app_id, app_id, len_app_id);
 456
 457         split->ioutput = ioutput;
 458         split->orientation = orientation;
 459
 460         wl_list_insert(&ivi->split_pending_apps, &split->link);
 461 }
 462
 463 void
 464 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
 465                 const char *app_id)
 466 {
 467         struct ivi_compositor *ivi = ioutput->ivi;
 468         struct pending_remote *remote;
 469         struct pending_remote *p_remote = NULL;
 470
 471         wl_list_for_each(remote, &ivi->remote_pending_apps, link)
 472                 if (!strcmp(app_id, remote->app_id))
 473                         p_remote = remote;
 474
 475         if (!p_remote)
 476                 p_remote = ivi_ensure_remote(ioutput, app_id);
 477         else
 478                 ivi_update_remote(ioutput, app_id, p_remote);
 479         if (!p_remote)
 480                 return;
 481
 482         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
 483 }
 484
 485
 486 static void
 487 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
 488 {
 489         free(split->app_id);
 490         wl_list_remove(&split->link);
 491         free(split);
 492 }
 493
 494 static void
 495 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
 496 {
 497         free(fs->app_id);
 498         wl_list_remove(&fs->link);
 499         free(fs);
 500 }
 501
 502 static void
 503 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
 504 {
 505         free(p_popup->app_id);
 506         wl_list_remove(&p_popup->link);
 507         free(p_popup);
 508 }
 509
 510 static void
 511 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
 512 {
 513         free(remote->app_id);
 514         wl_list_remove(&remote->link);
 515         free(remote);
 516 }
 517
 518 static bool
 519 ivi_compositor_keep_pending_surfaces(struct ivi_surface *surface)
 520 {
 521         return surface->ivi->keep_pending_surfaces;
 522 }
 523
 524 static bool
 525 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
 526 {
 527         struct ivi_compositor *ivi = surface->ivi;
 528         struct pending_popup *p_popup, *next_p_popup;
 529         const char *_app_id =
 530                         weston_desktop_surface_get_app_id(surface->dsurface);
 531
 532         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
 533                 return false;
 534
 535         wl_list_for_each_safe(p_popup, next_p_popup,
 536                               &ivi->popup_pending_apps, link) {
 537                 if (!strcmp(_app_id, p_popup->app_id)) {
 538                         surface->popup.output = p_popup->ioutput;
 539                         surface->popup.x = p_popup->x;
 540                         surface->popup.y = p_popup->y;
 541
 542                         surface->popup.bb.x = p_popup->bb.x;
 543                         surface->popup.bb.y = p_popup->bb.y;
 544                         surface->popup.bb.width = p_popup->bb.width;
 545                         surface->popup.bb.height = p_popup->bb.height;
 546
 547                         if (!ivi_compositor_keep_pending_surfaces(surface))
 548                                 ivi_remove_pending_desktop_surface_popup(p_popup);
 549                         return true;
 550                 }
 551         }
 552
 553         return false;
 554 }
 555
 556 static bool
 557 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
 558 {
 559         struct pending_split *split_surf, *next_split_surf;
 560         struct ivi_compositor *ivi = surface->ivi;
 561         const char *_app_id =
 562                         weston_desktop_surface_get_app_id(surface->dsurface);
 563
 564         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
 565                 return false;
 566
 567         wl_list_for_each_safe(split_surf, next_split_surf,
 568                               &ivi->split_pending_apps, link) {
 569                 if (!strcmp(_app_id, split_surf->app_id)) {
 570                         surface->split.output = split_surf->ioutput;
 571                         surface->split.orientation = split_surf->orientation;
 572                         if (!ivi_compositor_keep_pending_surfaces(surface))
 573                                 ivi_remove_pending_desktop_surface_split(split_surf);
 574                         return true;
 575                 }
 576         }
 577
 578         return false;
 579 }
 580
 581 static bool
 582 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
 583 {
 584         struct pending_fullscreen *fs_surf, *next_fs_surf;
 585         struct ivi_compositor *ivi = surface->ivi;
 586         const char *_app_id =
 587                         weston_desktop_surface_get_app_id(surface->dsurface);
 588
 589         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
 590                 return false;
 591
 592         wl_list_for_each_safe(fs_surf, next_fs_surf,
 593                               &ivi->fullscreen_pending_apps, link) {
 594                 if (!strcmp(_app_id, fs_surf->app_id)) {
 595                         surface->fullscreen.output = fs_surf->ioutput;
 596                         if (!ivi_compositor_keep_pending_surfaces(surface))
 597                                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
 598                         return true;
 599                 }
 600         }
 601
 602         return false;
 603 }
 604
 605 static bool
 606 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
 607 {
 608         struct pending_remote *remote_surf, *next_remote_surf;
 609         struct ivi_compositor *ivi = surface->ivi;
 610         const char *_app_id =
 611                 weston_desktop_surface_get_app_id(surface->dsurface);
 612
 613         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
 614                 return false;
 615
 616         wl_list_for_each_safe(remote_surf, next_remote_surf,
 617                               &ivi->remote_pending_apps, link) {
 618                 if (!strcmp(_app_id, remote_surf->app_id)) {
 619                         surface->remote.output = remote_surf->ioutput;
 620                         if (!ivi_compositor_keep_pending_surfaces(surface))
 621                                 ivi_remove_pending_desktop_surface_remote(remote_surf);
 622                         return true;
 623                 }
 624         }
 625
 626         return false;
 627 }
 628 void
 629 ivi_check_pending_surface_desktop(struct ivi_surface *surface,
 630                                   enum ivi_surface_role *role)
 631 {
 632         struct ivi_compositor *ivi = surface->ivi;
 633         struct wl_list *role_pending_list;
 634         struct pending_popup *p_popup;
 635         struct pending_split *p_split;
 636         struct pending_fullscreen *p_fullscreen;
 637         struct pending_remote *p_remote;
 638         const char *app_id =
 639                 weston_desktop_surface_get_app_id(surface->dsurface);
 640
 641         if (!app_id) {
 642                 *role = IVI_SURFACE_ROLE_NONE;
 643                 return;
 644         }
 645
 646         role_pending_list = &ivi->popup_pending_apps;
 647         wl_list_for_each(p_popup, role_pending_list, link) {
 648                 if (!strcmp(app_id, p_popup->app_id)) {
 649                         *role = IVI_SURFACE_ROLE_POPUP;
 650                         return;
 651                 }
 652         }
 653
 654         role_pending_list = &ivi->split_pending_apps;
 655         wl_list_for_each(p_split, role_pending_list, link) {
 656                 if (!strcmp(app_id, p_split->app_id)) {
 657                         *role = IVI_SURFACE_ROLE_SPLIT_V;
 658                         return;
 659                 }
 660         }
 661
 662         role_pending_list = &ivi->fullscreen_pending_apps;
 663         wl_list_for_each(p_fullscreen, role_pending_list, link) {
 664                 if (!strcmp(app_id, p_fullscreen->app_id)) {
 665                         *role = IVI_SURFACE_ROLE_FULLSCREEN;
 666                         return;
 667                 }
 668         }
 669
 670         role_pending_list = &ivi->remote_pending_apps;
 671         wl_list_for_each(p_remote, role_pending_list, link) {
 672                 if (!strcmp(app_id, p_remote->app_id)) {
 673                         *role = IVI_SURFACE_ROLE_REMOTE;
 674                         return;
 675                 }
 676         }
 677
 678         /* else, we are a regular desktop surface */
 679         *role = IVI_SURFACE_ROLE_DESKTOP;
 680 }
 681
 682
 683 void
 684 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
 685 {
 686         bool ret = false;
 687
 688         ret = ivi_check_pending_desktop_surface_popup(surface);
 689         if (ret) {
 690                 ivi_set_desktop_surface_popup(surface);
 691                 ivi_layout_popup_committed(surface);
 692                 return;
 693         }
 694
 695         ret = ivi_check_pending_desktop_surface_split(surface);
 696         if (ret) {
 697                 ivi_set_desktop_surface_split(surface);
 698                 ivi_layout_split_committed(surface);
 699                 return;
 700         }
 701
 702         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
 703         if (ret) {
 704                 ivi_set_desktop_surface_fullscreen(surface);
 705                 ivi_layout_fullscreen_committed(surface);
 706                 return;
 707         }
 708
 709         ret = ivi_check_pending_desktop_surface_remote(surface);
 710         if (ret) {
 711                 ivi_set_desktop_surface_remote(surface);
 712                 ivi_layout_desktop_committed(surface);
 713                 return;
 714         }
 715
 716         /* if we end up here means we have a regular desktop app and
 717          * try to activate it */
 718         ivi_set_desktop_surface(surface);
 719         ivi_layout_desktop_committed(surface);
 720 }
 721
 722 void
 723 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
 724 {
 725         struct ivi_output *out;
 726
 727         wl_list_for_each(out, &ivi->outputs, link) {
 728                 create_black_surface_view(out);
 729                 insert_black_surface(out);
 730         }
 731 }
 732
 733 int
 734 ivi_shell_init(struct ivi_compositor *ivi)
 735 {
 736         weston_layer_init(&ivi->hidden, ivi->compositor);
 737         weston_layer_init(&ivi->background, ivi->compositor);
 738         weston_layer_init(&ivi->normal, ivi->compositor);
 739         weston_layer_init(&ivi->panel, ivi->compositor);
 740         weston_layer_init(&ivi->popup, ivi->compositor);
 741         weston_layer_init(&ivi->fullscreen, ivi->compositor);
 742
 743         weston_layer_set_position(&ivi->hidden,
 744                                   WESTON_LAYER_POSITION_HIDDEN);
 745         weston_layer_set_position(&ivi->background,
 746                                   WESTON_LAYER_POSITION_BACKGROUND);
 747         weston_layer_set_position(&ivi->normal,
 748                                   WESTON_LAYER_POSITION_NORMAL);
 749         weston_layer_set_position(&ivi->panel,
 750                                   WESTON_LAYER_POSITION_UI);
 751         weston_layer_set_position(&ivi->popup,
 752                                   WESTON_LAYER_POSITION_TOP_UI);
 753         weston_layer_set_position(&ivi->fullscreen,
 754                                   WESTON_LAYER_POSITION_FULLSCREEN);
 755
 756         return 0;
 757 }
 758
 759
 760 static void
 761 ivi_surf_destroy(struct ivi_surface *surf)
 762 {
 763         struct weston_surface *wsurface = surf->view->surface;
 764
 765         if (weston_surface_is_mapped(wsurface)) {
 766                 weston_desktop_surface_unlink_view(surf->view);
 767                 weston_view_destroy(surf->view);
 768         }
 769
 770         wl_list_remove(&surf->link);
 771         free(surf);
 772 }
 773
 774 static void
 775 ivi_shell_destroy_views_on_layer(struct weston_layer *layer)
 776 {
 777         struct weston_view *view, *view_next;
 778
 779         wl_list_for_each_safe(view, view_next, &layer->view_list.link, layer_link.link) {
 780                 struct ivi_surface *ivi_surf =
 781                         get_ivi_shell_surface(view->surface);
 782                 if (ivi_surf)
 783                         ivi_surf_destroy(ivi_surf);
 784         }
 785 }
 786
 787 void
 788 ivi_shell_finalize(struct ivi_compositor *ivi)
 789 {
 790         ivi_shell_destroy_views_on_layer(&ivi->hidden);
 791         weston_layer_fini(&ivi->hidden);
 792
 793         ivi_shell_destroy_views_on_layer(&ivi->background);
 794         weston_layer_fini(&ivi->background);
 795
 796         ivi_shell_destroy_views_on_layer(&ivi->normal);
 797         weston_layer_fini(&ivi->normal);
 798
 799         ivi_shell_destroy_views_on_layer(&ivi->panel);
 800         weston_layer_fini(&ivi->panel);
 801
 802         ivi_shell_destroy_views_on_layer(&ivi->popup);
 803         weston_layer_fini(&ivi->popup);
 804 }
 805
 806 static void
 807 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 808 {
 809         struct ivi_surface *surface;
 810
 811         wl_list_for_each(surface, &ivi->surfaces, link) {
 812                 const char *app_id =
 813                         weston_desktop_surface_get_app_id(surface->dsurface);
 814                 if (app_id == NULL) {
 815                         weston_log("WARNING app_is is null, unable to advertise\n");
 816                         return;
 817                 }
 818                 agl_shell_desktop_send_application(resource, app_id);
 819         }
 820 }
 821
 822 static void
 823 client_exec(const char *command, int fd)
 824 {
 825         sigset_t sig;
 826         char s[32];
 827
 828         /* Don't give the child our signal mask */
 829         sigfillset(&sig);
 830         sigprocmask(SIG_UNBLOCK, &sig, NULL);
 831
 832         /* Launch clients as the user; don't give them the wrong euid */
 833         if (seteuid(getuid()) == -1) {
 834                 weston_log("seteuid failed: %s\n", strerror(errno));
 835                 return;
 836         }
 837
 838         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
 839          * clobbering fd, as we'll exit/exec either way.
 840          */
 841         fd = dup(fd);
 842         if (fd == -1) {
 843                 weston_log("dup failed: %s\n", strerror(errno));
 844                 return;
 845         }
 846
 847         snprintf(s, sizeof s, "%d", fd);
 848         setenv("WAYLAND_SOCKET", s, 1);
 849
 850         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
 851         weston_log("executing '%s' failed: %s", command, strerror(errno));
 852 }
 853
 854 static struct wl_client *
 855 launch_shell_client(struct ivi_compositor *ivi, const char *command)
 856 {
 857         struct wl_client *client;
 858         int sock[2];
 859         pid_t pid;
 860
 861         weston_log("launching' %s'\n", command);
 862
 863         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
 864                 weston_log("socketpair failed while launching '%s': %s\n",
 865                            command, strerror(errno));
 866                 return NULL;
 867         }
 868
 869         pid = fork();
 870         if (pid == -1) {
 871                 close(sock[0]);
 872                 close(sock[1]);
 873                 weston_log("fork failed while launching '%s': %s\n",
 874                            command, strerror(errno));
 875                 return NULL;
 876         }
 877
 878         if (pid == 0) {
 879                 client_exec(command, sock[1]);
 880                 _Exit(EXIT_FAILURE);
 881         }
 882         close(sock[1]);
 883
 884         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
 885         if (!client) {
 886                 close(sock[0]);
 887                 weston_log("Failed to create wayland client for '%s'",
 888                            command);
 889                 return NULL;
 890         }
 891
 892         return client;
 893 }
 894
 895 int
 896 ivi_launch_shell_client(struct ivi_compositor *ivi)
 897 {
 898         struct weston_config_section *section;
 899         char *command = NULL;
 900
 901         section = weston_config_get_section(ivi->config, "shell-client",
 902                                             NULL, NULL);
 903         if (section)
 904                 weston_config_section_get_string(section, "command",
 905                                                  &command, NULL);
 906
 907         if (!command)
 908                 return -1;
 909
 910         ivi->shell_client.client = launch_shell_client(ivi, command);
 911         if (!ivi->shell_client.client)
 912                 return -1;
 913
 914         return 0;
 915 }
 916
 917 static void
 918 destroy_black_view(struct wl_listener *listener, void *data)
 919 {
 920         struct fullscreen_view *fs =
 921                 wl_container_of(listener, fs, fs_destroy);
 922
 923
 924         if (fs && fs->fs) {
 925                 wl_list_remove(&fs->fs_destroy.link);
 926                 free(fs->fs);
 927         }
 928 }
 929
 930
 931 static void
 932 create_black_surface_view(struct ivi_output *output)
 933 {
 934         struct weston_surface *surface = NULL;
 935         struct weston_view *view;
 936         struct ivi_compositor *ivi = output->ivi;
 937         struct weston_compositor *wc= ivi->compositor;
 938         struct weston_output *woutput = output->output;
 939
 940         if (!woutput)
 941                 return;
 942
 943         surface = weston_surface_create(wc);
 944         if (!surface)
 945                 return;
 946         view = weston_view_create(surface);
 947         if (!view) {
 948                 weston_surface_destroy(surface);
 949                 return;
 950         }
 951
 952         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
 953         weston_surface_set_size(surface, woutput->width, woutput->height);
 954         weston_view_set_position(view, woutput->x, woutput->y);
 955
 956         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
 957         if (!output->fullscreen_view.fs) {
 958                 weston_surface_destroy(surface);
 959                 return;
 960         }
 961         output->fullscreen_view.fs->view = view;
 962
 963         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
 964         wl_signal_add(&woutput->destroy_signal,
 965                       &output->fullscreen_view.fs_destroy);
 966 }
 967
 968 void
 969 remove_black_surface(struct ivi_output *output)
 970 {
 971         struct weston_view *view;
 972
 973         if (!output &&
 974             !output->fullscreen_view.fs &&
 975             !output->fullscreen_view.fs->view) {
 976                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
 977                 return;
 978         }
 979
 980         view = output->fullscreen_view.fs->view;
 981         assert(view->is_mapped == true ||
 982                view->surface->is_mapped == true);
 983
 984         view->is_mapped = false;
 985         view->surface->is_mapped = false;
 986
 987         weston_layer_entry_remove(&view->layer_link);
 988         weston_view_update_transform(view);
 989
 990         weston_view_damage_below(view);
 991 }
 992
 993 void
 994 insert_black_surface(struct ivi_output *output)
 995 {
 996         struct weston_view *view;
 997
 998         if ((!output &&
 999             !output->fullscreen_view.fs &&
1000             !output->fullscreen_view.fs->view) || !output->output) {
1001                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1002                 return;
1003         }
1004
1005         view = output->fullscreen_view.fs->view;
1006         if (view->is_mapped || view->surface->is_mapped)
1007                 return;
1008
1009         weston_layer_entry_remove(&view->layer_link);
1010         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
1011                                   &view->layer_link);
1012
1013         view->is_mapped = true;
1014         view->surface->is_mapped = true;
1015
1016         weston_view_update_transform(view);
1017         weston_view_damage_below(view);
1018 }
1019
1020 static void
1021 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
1022 {
1023         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1024         struct ivi_output *output;
1025         struct ivi_surface *surface, *tmp;
1026
1027         /* Init already finished. Do nothing */
1028         if (ivi->shell_client.ready)
1029                 return;
1030
1031         ivi->shell_client.ready = true;
1032
1033         wl_list_for_each(output, &ivi->outputs, link) {
1034                 if (output->background)
1035                         remove_black_surface(output);
1036                 ivi_layout_init(ivi, output);
1037         }
1038
1039         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
1040                 wl_list_remove(&surface->link);
1041                 wl_list_init(&surface->link);
1042                 ivi_check_pending_desktop_surface(surface);
1043                 surface->checked_pending = true;
1044         }
1045 }
1046
1047 static void
1048 shell_set_background(struct wl_client *client,
1049                      struct wl_resource *shell_res,
1050                      struct wl_resource *surface_res,
1051                      struct wl_resource *output_res)
1052 {
1053         struct weston_head *head = weston_head_from_resource(output_res);
1054         struct weston_output *woutput = weston_head_get_output(head);
1055         struct ivi_output *output = to_ivi_output(woutput);
1056         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1057         struct weston_desktop_surface *dsurface;
1058         struct ivi_surface *surface;
1059
1060         dsurface = weston_surface_get_desktop_surface(wsurface);
1061         if (!dsurface) {
1062                 wl_resource_post_error(shell_res,
1063                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1064                                        "surface must be a desktop surface");
1065                 return;
1066         }
1067
1068         surface = weston_desktop_surface_get_user_data(dsurface);
1069         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1070                 wl_resource_post_error(shell_res,
1071                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1072                                        "surface already has another ivi role");
1073                 return;
1074         }
1075
1076         if (output->background) {
1077                 wl_resource_post_error(shell_res,
1078                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1079                                        "output already has background");
1080                 return;
1081         }
1082
1083         surface->checked_pending = true;
1084         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1085         surface->bg.output = output;
1086         wl_list_remove(&surface->link);
1087         wl_list_init(&surface->link);
1088
1089         output->background = surface;
1090
1091         weston_desktop_surface_set_maximized(dsurface, true);
1092         weston_desktop_surface_set_size(dsurface,
1093                                         output->output->width,
1094                                         output->output->height);
1095 }
1096
1097 static void
1098 shell_set_panel(struct wl_client *client,
1099                 struct wl_resource *shell_res,
1100                 struct wl_resource *surface_res,
1101                 struct wl_resource *output_res,
1102                 uint32_t edge)
1103 {
1104         struct weston_head *head = weston_head_from_resource(output_res);
1105         struct weston_output *woutput = weston_head_get_output(head);
1106         struct ivi_output *output = to_ivi_output(woutput);
1107         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1108         struct weston_desktop_surface *dsurface;
1109         struct ivi_surface *surface;
1110         struct ivi_surface **member;
1111         int32_t width = 0, height = 0;
1112
1113         dsurface = weston_surface_get_desktop_surface(wsurface);
1114         if (!dsurface) {
1115                 wl_resource_post_error(shell_res,
1116                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1117                                        "surface must be a desktop surface");
1118                 return;
1119         }
1120
1121         surface = weston_desktop_surface_get_user_data(dsurface);
1122         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1123                 wl_resource_post_error(shell_res,
1124                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1125                                        "surface already has another ivi role");
1126                 return;
1127         }
1128
1129         switch (edge) {
1130         case AGL_SHELL_EDGE_TOP:
1131                 member = &output->top;
1132                 break;
1133         case AGL_SHELL_EDGE_BOTTOM:
1134                 member = &output->bottom;
1135                 break;
1136         case AGL_SHELL_EDGE_LEFT:
1137                 member = &output->left;
1138                 break;
1139         case AGL_SHELL_EDGE_RIGHT:
1140                 member = &output->right;
1141                 break;
1142         default:
1143                 wl_resource_post_error(shell_res,
1144                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1145                                        "invalid edge for panel");
1146                 return;
1147         }
1148
1149         if (*member) {
1150                 wl_resource_post_error(shell_res,
1151                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1152                                        "output already has panel on this edge");
1153                 return;
1154         }
1155
1156         surface->checked_pending = true;
1157         surface->role = IVI_SURFACE_ROLE_PANEL;
1158         surface->panel.output = output;
1159         surface->panel.edge = edge;
1160         wl_list_remove(&surface->link);
1161         wl_list_init(&surface->link);
1162
1163         *member = surface;
1164
1165         switch (surface->panel.edge) {
1166         case AGL_SHELL_EDGE_TOP:
1167         case AGL_SHELL_EDGE_BOTTOM:
1168                 width = woutput->width;
1169                 break;
1170         case AGL_SHELL_EDGE_LEFT:
1171         case AGL_SHELL_EDGE_RIGHT:
1172                 height = woutput->height;
1173                 break;
1174         }
1175
1176         weston_desktop_surface_set_size(dsurface, width, height);
1177 }
1178
1179 void
1180 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1181                           const char *data, uint32_t app_state)
1182 {
1183         struct desktop_client *dclient;
1184         uint32_t app_role;
1185         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1186         struct ivi_policy *policy = ivi->policy;
1187
1188         /* FIXME: should queue it here and see when binding agl-shell-desktop
1189          * if there are any to be sent */
1190         if (!surf)
1191                 return;
1192
1193         if (!app_id)
1194                 return;
1195
1196         if (policy && policy->api.surface_advertise_state_change &&
1197             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1198                 return;
1199         }
1200
1201         app_role = surf->role;
1202         if (app_role == IVI_SURFACE_ROLE_POPUP)
1203                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1204
1205         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1206                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1207                                                  data, app_state, app_role);
1208 }
1209
1210 static void
1211 shell_activate_app(struct wl_client *client,
1212                    struct wl_resource *shell_res,
1213                    const char *app_id,
1214                    struct wl_resource *output_res)
1215 {
1216         struct weston_head *head = weston_head_from_resource(output_res);
1217         struct weston_output *woutput = weston_head_get_output(head);
1218         struct ivi_output *output = to_ivi_output(woutput);
1219
1220         ivi_layout_activate(output, app_id);
1221 }
1222
1223 static void
1224 shell_desktop_activate_app(struct wl_client *client,
1225                            struct wl_resource *shell_res,
1226                            const char *app_id, const char *data,
1227                            struct wl_resource *output_res)
1228 {
1229         struct weston_head *head = weston_head_from_resource(output_res);
1230         struct weston_output *woutput = weston_head_get_output(head);
1231         struct ivi_output *output = to_ivi_output(woutput);
1232
1233         ivi_layout_activate(output, app_id);
1234         shell_advertise_app_state(output->ivi, app_id,
1235                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1236 }
1237
1238 static void
1239 shell_deactivate_app(struct wl_client *client,
1240                    struct wl_resource *shell_res,
1241                    const char *app_id)
1242 {
1243         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1244         struct ivi_compositor *ivi = dclient->ivi;
1245
1246         ivi_layout_deactivate(ivi, app_id);
1247         shell_advertise_app_state(ivi, app_id,
1248                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1249 }
1250
1251 static const struct agl_shell_interface agl_shell_implementation = {
1252         .ready = shell_ready,
1253         .set_background = shell_set_background,
1254         .set_panel = shell_set_panel,
1255         .activate_app = shell_activate_app,
1256 };
1257
1258 static void
1259 shell_desktop_set_app_property(struct wl_client *client,
1260                                struct wl_resource *shell_res,
1261                                const char *app_id, uint32_t role,
1262                                int x, int y, int bx, int by,
1263                                int width, int height,
1264                                struct wl_resource *output_res)
1265 {
1266         struct weston_head *head = weston_head_from_resource(output_res);
1267         struct weston_output *woutput = weston_head_get_output(head);
1268         struct ivi_output *output = to_ivi_output(woutput);
1269
1270         switch (role) {
1271         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1272                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1273                                                       width, height, app_id);
1274                 break;
1275         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1276                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1277                 break;
1278         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1279         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1280                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1281                 break;
1282         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1283                 ivi_set_pending_desktop_surface_remote(output, app_id);
1284                 break;
1285         default:
1286                 break;
1287         }
1288 }
1289
1290 void
1291 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1292 {
1293         struct pending_popup *p_popup, *next_p_popup;
1294         struct pending_split *split_surf, *next_split_surf;
1295         struct pending_fullscreen *fs_surf, *next_fs_surf;
1296         struct pending_remote *remote_surf, *next_remote_surf;
1297
1298         wl_list_for_each_safe(p_popup, next_p_popup,
1299                               &ivi->popup_pending_apps, link)
1300                 ivi_remove_pending_desktop_surface_popup(p_popup);
1301
1302         wl_list_for_each_safe(split_surf, next_split_surf,
1303                               &ivi->split_pending_apps, link)
1304                 ivi_remove_pending_desktop_surface_split(split_surf);
1305
1306         wl_list_for_each_safe(fs_surf, next_fs_surf,
1307                               &ivi->fullscreen_pending_apps, link)
1308                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1309
1310         wl_list_for_each_safe(remote_surf, next_remote_surf,
1311                               &ivi->remote_pending_apps, link)
1312                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1313 }
1314
1315 static void
1316 shell_desktop_set_app_property_mode(struct wl_client *client,
1317                                     struct wl_resource *shell_res, uint32_t perm)
1318 {
1319         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1320         if (perm) {
1321                 dclient->ivi->keep_pending_surfaces = true;
1322         } else {
1323                 dclient->ivi->keep_pending_surfaces = false;
1324                 /* remove any previous pending surfaces */
1325                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1326         }
1327 }
1328
1329 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1330         .activate_app = shell_desktop_activate_app,
1331         .set_app_property = shell_desktop_set_app_property,
1332         .deactivate_app = shell_deactivate_app,
1333         .set_app_property_mode = shell_desktop_set_app_property_mode,
1334 };
1335
1336 static void
1337 unbind_agl_shell(struct wl_resource *resource)
1338 {
1339         struct ivi_compositor *ivi;
1340         struct ivi_output *output;
1341         struct ivi_surface *surf, *surf_tmp;
1342
1343         ivi = wl_resource_get_user_data(resource);
1344         wl_list_for_each(output, &ivi->outputs, link) {
1345                 /* reset the active surf if there's one present */
1346                 if (output->active) {
1347                         output->active->view->is_mapped = false;
1348                         output->active->view->surface->is_mapped = false;
1349
1350                         weston_layer_entry_remove(&output->active->view->layer_link);
1351                         output->active = NULL;
1352                 }
1353
1354                 insert_black_surface(output);
1355         }
1356
1357         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1358                 wl_list_remove(&surf->link);
1359                 wl_list_init(&surf->link);
1360         }
1361
1362         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1363                 wl_list_remove(&surf->link);
1364                 wl_list_init(&surf->link);
1365         }
1366
1367         wl_list_init(&ivi->surfaces);
1368         wl_list_init(&ivi->pending_surfaces);
1369
1370         ivi->shell_client.ready = false;
1371         ivi->shell_client.resource = NULL;
1372         ivi->shell_client.client = NULL;
1373 }
1374
1375 static void
1376 bind_agl_shell(struct wl_client *client,
1377                void *data, uint32_t version, uint32_t id)
1378 {
1379         struct ivi_compositor *ivi = data;
1380         struct wl_resource *resource;
1381         struct ivi_policy *policy;
1382         void *interface;
1383
1384         policy = ivi->policy;
1385         interface = (void *) &agl_shell_interface;
1386         if (policy && policy->api.shell_bind_interface &&
1387             !policy->api.shell_bind_interface(client, interface)) {
1388                 wl_client_post_implementation_error(client,
1389                                        "client not authorized to use agl_shell");
1390                 return;
1391         }
1392
1393         resource = wl_resource_create(client, &agl_shell_interface,
1394                                       1, id);
1395         if (!resource) {
1396                 wl_client_post_no_memory(client);
1397                 return;
1398         }
1399
1400         if (ivi->shell_client.resource) {
1401                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1402                                        "agl_shell has already been bound");
1403                 return;
1404         }
1405
1406         wl_resource_set_implementation(resource, &agl_shell_implementation,
1407                                        ivi, unbind_agl_shell);
1408         ivi->shell_client.resource = resource;
1409 }
1410
1411 static void
1412 unbind_agl_shell_desktop(struct wl_resource *resource)
1413 {
1414         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1415
1416         wl_list_remove(&dclient->link);
1417         free(dclient);
1418 }
1419
1420 static void
1421 bind_agl_shell_desktop(struct wl_client *client,
1422                        void *data, uint32_t version, uint32_t id)
1423 {
1424         struct ivi_compositor *ivi = data;
1425         struct wl_resource *resource;
1426         struct ivi_policy *policy;
1427         struct desktop_client *dclient;
1428         void *interface;
1429
1430         policy = ivi->policy;
1431         interface  = (void *) &agl_shell_desktop_interface;
1432         if (policy && policy->api.shell_bind_interface &&
1433             !policy->api.shell_bind_interface(client, interface)) {
1434                 wl_client_post_implementation_error(client,
1435                                 "client not authorized to use agl_shell_desktop");
1436                 return;
1437         }
1438
1439         dclient = zalloc(sizeof(*dclient));
1440         if (!dclient) {
1441                 wl_client_post_no_memory(client);
1442                 return;
1443         }
1444
1445         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1446                                       version, id);
1447         dclient->ivi = ivi;
1448         if (!resource) {
1449                 wl_client_post_no_memory(client);
1450                 return;
1451         }
1452
1453         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1454                                        dclient, unbind_agl_shell_desktop);
1455
1456         dclient->resource = resource;
1457         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1458
1459         /* advertise xdg surfaces */
1460         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1461 }
1462
1463 int
1464 ivi_shell_create_global(struct ivi_compositor *ivi)
1465 {
1466         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1467                                           &agl_shell_interface, 1,
1468                                           ivi, bind_agl_shell);
1469         if (!ivi->agl_shell) {
1470                 weston_log("Failed to create wayland global.\n");
1471                 return -1;
1472         }
1473
1474         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1475                                                   &agl_shell_desktop_interface, 2,
1476                                                   ivi, bind_agl_shell_desktop);
1477         if (!ivi->agl_shell_desktop) {
1478                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1479                 return -1;
1480         }
1481
1482         return 0;
1483 }