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->view) {
 806                         weston_surface_destroy(output->fullscreen_view.fs->view->surface);
 807                         output->fullscreen_view.fs->view = NULL;
 808                 }
 809         }
 810         weston_layer_fini(&ivi->fullscreen);
 811 }
 812
 813 static void
 814 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
 815 {
 816         struct ivi_surface *surface;
 817
 818         wl_list_for_each(surface, &ivi->surfaces, link) {
 819                 const char *app_id =
 820                         weston_desktop_surface_get_app_id(surface->dsurface);
 821                 if (app_id == NULL) {
 822                         weston_log("WARNING app_is is null, unable to advertise\n");
 823                         return;
 824                 }
 825                 agl_shell_desktop_send_application(resource, app_id);
 826         }
 827 }
 828
 829 static struct wl_client *
 830 client_launch(struct weston_compositor *compositor,
 831                      struct weston_process *proc,
 832                      const char *path,
 833                      weston_process_cleanup_func_t cleanup)
 834 {
 835         struct wl_client *client = NULL;
 836         struct custom_env child_env;
 837         struct fdstr wayland_socket;
 838         const char *fail_cloexec = "Couldn't unset CLOEXEC on client socket";
 839         const char *fail_seteuid = "Couldn't call seteuid";
 840         char *fail_exec;
 841         char * const *argp;
 842         char * const *envp;
 843         sigset_t allsigs;
 844         pid_t pid;
 845         bool ret;
 846         struct ivi_compositor *ivi;
 847         size_t written __attribute__((unused));
 848
 849         weston_log("launching '%s'\n", path);
 850         str_printf(&fail_exec, "Error: Couldn't launch client '%s'\n", path);
 851
 852         custom_env_init_from_environ(&child_env);
 853         custom_env_add_from_exec_string(&child_env, path);
 854
 855         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0,
 856                                   wayland_socket.fds) < 0) {
 857                 weston_log("client_launch: "
 858                            "socketpair failed while launching '%s': %s\n",
 859                            path, strerror(errno));
 860                 custom_env_fini(&child_env);
 861                 return NULL;
 862         }
 863         fdstr_update_str1(&wayland_socket);
 864         custom_env_set_env_var(&child_env, "WAYLAND_SOCKET",
 865                                wayland_socket.str1);
 866
 867         argp = custom_env_get_argp(&child_env);
 868         envp = custom_env_get_envp(&child_env);
 869
 870         pid = fork();
 871         switch (pid) {
 872         case 0:
 873                 /* Put the client in a new session so it won't catch signals
 874                  * intended for the parent. Sharing a session can be
 875                  * confusing when launching weston under gdb, as the ctrl-c
 876                  * intended for gdb will pass to the child, and weston
 877                  * will cleanly shut down when the child exits.
 878                  */
 879                 setsid();
 880
 881                 /* do not give our signal mask to the new process */
 882                 sigfillset(&allsigs);
 883                 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
 884
 885                 /* Launch clients as the user. Do not launch clients with wrong euid. */
 886                 if (seteuid(getuid()) == -1) {
 887                         written = write(STDERR_FILENO, fail_seteuid, strlen(fail_seteuid));
 888                         _exit(EXIT_FAILURE);
 889                 }
 890
 891                 ret = fdstr_clear_cloexec_fd1(&wayland_socket);
 892                 if (!ret) {
 893                         written = write(STDERR_FILENO, fail_cloexec, strlen(fail_cloexec));
 894                         _exit(EXIT_FAILURE);
 895                 }
 896
 897                 execve(argp[0], argp, envp);
 898
 899                 if (fail_exec)
 900                         written = write(STDERR_FILENO, fail_exec, strlen(fail_exec));
 901                 _exit(EXIT_FAILURE);
 902
 903         default:
 904                 close(wayland_socket.fds[1]);
 905                 ivi = weston_compositor_get_user_data(compositor);
 906                 client = wl_client_create(compositor->wl_display,
 907                                           wayland_socket.fds[0]);
 908                 if (!client) {
 909                         custom_env_fini(&child_env);
 910                         close(wayland_socket.fds[0]);
 911                         free(fail_exec);
 912                         weston_log("client_launch: "
 913                                 "wl_client_create failed while launching '%s'.\n",
 914                                 path);
 915                         return NULL;
 916                 }
 917
 918                 proc->pid = pid;
 919                 proc->cleanup = cleanup;
 920                 wl_list_insert(&ivi->child_process_list, &proc->link);
 921                 break;
 922
 923         case -1:
 924                 fdstr_close_all(&wayland_socket);
 925                 weston_log("client_launch: "
 926                            "fork failed while launching '%s': %s\n", path,
 927                            strerror(errno));
 928                 break;
 929         }
 930
 931         custom_env_fini(&child_env);
 932         free(fail_exec);
 933
 934         return client;
 935 }
 936
 937 struct process_info {
 938         struct weston_process proc;
 939         char *path;
 940 };
 941
 942 int
 943 sigchld_handler(int signal_number, void *data)
 944 {
 945         struct weston_process *p;
 946         struct ivi_compositor *ivi = data;
 947         int status;
 948         pid_t pid;
 949
 950         while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
 951                 wl_list_for_each(p, &ivi->child_process_list, link) {
 952                         if (p->pid == pid)
 953                                 break;
 954                 }
 955
 956                 if (&p->link == &ivi->child_process_list) {
 957                         weston_log("unknown child process exited\n");
 958                         continue;
 959                 }
 960
 961                 wl_list_remove(&p->link);
 962                 wl_list_init(&p->link);
 963                 p->cleanup(p, status);
 964         }
 965
 966         if (pid < 0 && errno != ECHILD)
 967                 weston_log("waitpid error %s\n", strerror(errno));
 968
 969         return 1;
 970 }
 971
 972
 973 static void
 974 process_handle_sigchld(struct weston_process *process, int status)
 975 {
 976         struct process_info *pinfo =
 977                 container_of(process, struct process_info, proc);
 978
 979         /*
 980          * There are no guarantees whether this runs before or after
 981          * the wl_client destructor.
 982          */
 983
 984         if (WIFEXITED(status)) {
 985                 weston_log("%s exited with status %d\n", pinfo->path,
 986                            WEXITSTATUS(status));
 987         } else if (WIFSIGNALED(status)) {
 988                 weston_log("%s died on signal %d\n", pinfo->path,
 989                            WTERMSIG(status));
 990         } else {
 991                 weston_log("%s disappeared\n", pinfo->path);
 992         }
 993
 994         free(pinfo->path);
 995         free(pinfo);
 996 }
 997
 998 int
 999 ivi_launch_shell_client(struct ivi_compositor *ivi)
1000 {
1001         struct process_info *pinfo;
1002         struct weston_config_section *section;
1003         char *command = NULL;
1004
1005         section = weston_config_get_section(ivi->config, "shell-client",
1006                                             NULL, NULL);
1007         if (section)
1008                 weston_config_section_get_string(section, "command",
1009                                                  &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         ivi->shell_client.client = client_launch(ivi->compositor, &pinfo->proc,
1023                                                  command, process_handle_sigchld);
1024         if (!ivi->shell_client.client)
1025                 goto out_str;
1026
1027         return 0;
1028
1029 out_str:
1030         free(pinfo->path);
1031
1032 out_free:
1033         free(pinfo);
1034
1035         return -1;
1036 }
1037
1038 static void
1039 destroy_black_curtain_view(struct wl_listener *listener, void *data)
1040 {
1041         struct fullscreen_view *fs =
1042                 wl_container_of(listener, fs, fs_destroy);
1043
1044
1045         if (fs && fs->fs) {
1046                 wl_list_remove(&fs->fs_destroy.link);
1047                 free(fs->fs);
1048         }
1049 }
1050
1051
1052 static void
1053 create_black_curtain_view(struct ivi_output *output)
1054 {
1055         struct weston_surface *surface = NULL;
1056         struct weston_view *view;
1057         struct ivi_compositor *ivi = output->ivi;
1058         struct weston_compositor *wc= ivi->compositor;
1059         struct weston_output *woutput = output->output;
1060
1061         if (!woutput)
1062                 return;
1063
1064         surface = weston_surface_create(wc);
1065         if (!surface)
1066                 return;
1067         view = weston_view_create(surface);
1068         if (!view) {
1069                 weston_surface_destroy(surface);
1070                 return;
1071         }
1072
1073         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
1074         weston_surface_set_size(surface, woutput->width, woutput->height);
1075         weston_view_set_position(view, woutput->x, woutput->y);
1076
1077         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
1078         if (!output->fullscreen_view.fs) {
1079                 weston_surface_destroy(surface);
1080                 return;
1081         }
1082         output->fullscreen_view.fs->view = view;
1083
1084         output->fullscreen_view.fs_destroy.notify = destroy_black_curtain_view;
1085         wl_signal_add(&woutput->destroy_signal,
1086                       &output->fullscreen_view.fs_destroy);
1087 }
1088
1089 bool
1090 output_has_black_curtain(struct ivi_output *output)
1091 {
1092         return (output->fullscreen_view.fs->view &&
1093                 output->fullscreen_view.fs->view->is_mapped &&
1094                 output->fullscreen_view.fs->view->surface->is_mapped);
1095 }
1096
1097 void
1098 remove_black_curtain(struct ivi_output *output)
1099 {
1100         struct weston_view *view;
1101
1102         if (!output &&
1103             !output->fullscreen_view.fs &&
1104             !output->fullscreen_view.fs->view) {
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                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1133                 return;
1134         }
1135
1136         view = output->fullscreen_view.fs->view;
1137         if (view->is_mapped || view->surface->is_mapped)
1138                 return;
1139
1140         weston_layer_entry_remove(&view->layer_link);
1141         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
1142                                   &view->layer_link);
1143
1144         view->is_mapped = true;
1145         view->surface->is_mapped = true;
1146
1147         weston_view_update_transform(view);
1148         weston_view_damage_below(view);
1149
1150         weston_log("Added black curtain to output %s\n", output->output->name);
1151 }
1152
1153 static void
1154 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
1155 {
1156         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1157         struct ivi_output *output;
1158         struct ivi_surface *surface, *tmp;
1159
1160         if (ivi->shell_client.resource &&
1161             ivi->shell_client.status == BOUND_FAILED) {
1162                 wl_resource_post_error(shell_res,
1163                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1164                                        "agl_shell has already been bound. "
1165                                        "Check out bound_fail event");
1166                 return;
1167         }
1168
1169         /* Init already finished. Do nothing */
1170         if (ivi->shell_client.ready)
1171                 return;
1172
1173
1174         ivi->shell_client.ready = true;
1175
1176         wl_list_for_each(output, &ivi->outputs, link) {
1177                 if (output->background &&
1178                     output->background->role == IVI_SURFACE_ROLE_BACKGROUND) {
1179                         /* track the background surface role as a "regular"
1180                          * surface so we can activate it */
1181                         ivi_set_background_surface(output->background);
1182                         remove_black_curtain(output);
1183                 }
1184
1185                 ivi_layout_init(ivi, output);
1186         }
1187
1188         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
1189                 const char *app_id;
1190
1191                 wl_list_remove(&surface->link);
1192                 wl_list_init(&surface->link);
1193                 ivi_check_pending_desktop_surface(surface);
1194                 surface->checked_pending = true;
1195                 app_id = weston_desktop_surface_get_app_id(surface->dsurface);
1196
1197                 if (app_id &&
1198                     wl_resource_get_version(ivi->shell_client.resource) >=
1199                     AGL_SHELL_APP_STATE_SINCE_VERSION)
1200                         agl_shell_send_app_state(ivi->shell_client.resource,
1201                                                  app_id, AGL_SHELL_APP_STATE_STARTED);
1202         }
1203 }
1204
1205 static void
1206 shell_set_background(struct wl_client *client,
1207                      struct wl_resource *shell_res,
1208                      struct wl_resource *surface_res,
1209                      struct wl_resource *output_res)
1210 {
1211         struct weston_head *head = weston_head_from_resource(output_res);
1212         struct weston_output *woutput = weston_head_get_output(head);
1213         struct ivi_output *output = to_ivi_output(woutput);
1214         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1215         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1216         struct weston_desktop_surface *dsurface;
1217         struct ivi_surface *surface;
1218
1219         if ((ivi->shell_client.resource &&
1220              ivi->shell_client.status == BOUND_FAILED) ||
1221              ivi->shell_client.resource_ext == shell_res) {
1222                 wl_resource_post_error(shell_res,
1223                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1224                                        "agl_shell has already been bound. "
1225                                        "Check out bound_fail event");
1226                 return;
1227         }
1228
1229         dsurface = weston_surface_get_desktop_surface(wsurface);
1230         if (!dsurface) {
1231                 wl_resource_post_error(shell_res,
1232                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1233                                        "surface must be a desktop surface");
1234                 return;
1235         }
1236
1237         surface = weston_desktop_surface_get_user_data(dsurface);
1238         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1239                 wl_resource_post_error(shell_res,
1240                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1241                                        "surface already has another ivi role");
1242                 return;
1243         }
1244
1245         if (output->background) {
1246                 wl_resource_post_error(shell_res,
1247                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1248                                        "output already has background");
1249                 return;
1250         }
1251
1252         surface->checked_pending = true;
1253         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1254         surface->bg.output = output;
1255         wl_list_remove(&surface->link);
1256         wl_list_init(&surface->link);
1257
1258         output->background = surface;
1259
1260         weston_desktop_surface_set_maximized(dsurface, true);
1261         weston_desktop_surface_set_size(dsurface,
1262                                         output->output->width,
1263                                         output->output->height);
1264 }
1265
1266 static void
1267 shell_set_panel(struct wl_client *client,
1268                 struct wl_resource *shell_res,
1269                 struct wl_resource *surface_res,
1270                 struct wl_resource *output_res,
1271                 uint32_t edge)
1272 {
1273         struct weston_head *head = weston_head_from_resource(output_res);
1274         struct weston_output *woutput = weston_head_get_output(head);
1275         struct ivi_output *output = to_ivi_output(woutput);
1276         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1277         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1278         struct weston_desktop_surface *dsurface;
1279         struct ivi_surface *surface;
1280         struct ivi_surface **member;
1281         int32_t width = 0, height = 0;
1282
1283         if ((ivi->shell_client.resource &&
1284             ivi->shell_client.status == BOUND_FAILED) ||
1285             ivi->shell_client.resource_ext == shell_res) {
1286                 wl_resource_post_error(shell_res,
1287                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1288                                        "agl_shell has already been bound. "
1289                                        "Check out bound_fail event");
1290                 return;
1291         }
1292
1293         dsurface = weston_surface_get_desktop_surface(wsurface);
1294         if (!dsurface) {
1295                 wl_resource_post_error(shell_res,
1296                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1297                                        "surface must be a desktop surface");
1298                 return;
1299         }
1300
1301         surface = weston_desktop_surface_get_user_data(dsurface);
1302         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1303                 wl_resource_post_error(shell_res,
1304                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1305                                        "surface already has another ivi role");
1306                 return;
1307         }
1308
1309         switch (edge) {
1310         case AGL_SHELL_EDGE_TOP:
1311                 member = &output->top;
1312                 break;
1313         case AGL_SHELL_EDGE_BOTTOM:
1314                 member = &output->bottom;
1315                 break;
1316         case AGL_SHELL_EDGE_LEFT:
1317                 member = &output->left;
1318                 break;
1319         case AGL_SHELL_EDGE_RIGHT:
1320                 member = &output->right;
1321                 break;
1322         default:
1323                 wl_resource_post_error(shell_res,
1324                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1325                                        "invalid edge for panel");
1326                 return;
1327         }
1328
1329         if (*member) {
1330                 wl_resource_post_error(shell_res,
1331                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1332                                        "output already has panel on this edge");
1333                 return;
1334         }
1335
1336         surface->checked_pending = true;
1337         surface->role = IVI_SURFACE_ROLE_PANEL;
1338         surface->panel.output = output;
1339         surface->panel.edge = edge;
1340         wl_list_remove(&surface->link);
1341         wl_list_init(&surface->link);
1342
1343         *member = surface;
1344
1345         switch (surface->panel.edge) {
1346         case AGL_SHELL_EDGE_TOP:
1347         case AGL_SHELL_EDGE_BOTTOM:
1348                 width = woutput->width;
1349                 break;
1350         case AGL_SHELL_EDGE_LEFT:
1351         case AGL_SHELL_EDGE_RIGHT:
1352                 height = woutput->height;
1353                 break;
1354         }
1355
1356         weston_desktop_surface_set_size(dsurface, width, height);
1357 }
1358
1359 void
1360 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1361                           const char *data, uint32_t app_state)
1362 {
1363         struct desktop_client *dclient;
1364         uint32_t app_role;
1365         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1366         struct ivi_policy *policy = ivi->policy;
1367
1368         /* FIXME: should queue it here and see when binding agl-shell-desktop
1369          * if there are any to be sent */
1370         if (!surf)
1371                 return;
1372
1373         if (!app_id)
1374                 return;
1375
1376         if (policy && policy->api.surface_advertise_state_change &&
1377             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1378                 return;
1379         }
1380
1381         app_role = surf->role;
1382         if (app_role == IVI_SURFACE_ROLE_POPUP)
1383                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1384
1385         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1386                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1387                                                  data, app_state, app_role);
1388 }
1389
1390 static void
1391 shell_activate_app(struct wl_client *client,
1392                    struct wl_resource *shell_res,
1393                    const char *app_id,
1394                    struct wl_resource *output_res)
1395 {
1396         struct weston_head *head = weston_head_from_resource(output_res);
1397         struct weston_output *woutput = weston_head_get_output(head);
1398         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1399         struct ivi_output *output = to_ivi_output(woutput);
1400
1401         if (ivi->shell_client.resource &&
1402             ivi->shell_client.status == BOUND_FAILED) {
1403                 wl_resource_post_error(shell_res,
1404                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1405                                        "agl_shell has already been bound. "
1406                                        "Check out bound_fail event");
1407                 return;
1408         }
1409
1410         ivi_layout_activate(output, app_id);
1411 }
1412
1413 static void
1414 shell_desktop_activate_app(struct wl_client *client,
1415                            struct wl_resource *shell_res,
1416                            const char *app_id, const char *data,
1417                            struct wl_resource *output_res)
1418 {
1419         struct weston_head *head = weston_head_from_resource(output_res);
1420         struct weston_output *woutput = weston_head_get_output(head);
1421         struct ivi_output *output = to_ivi_output(woutput);
1422
1423         ivi_layout_activate(output, app_id);
1424         shell_advertise_app_state(output->ivi, app_id,
1425                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1426 }
1427
1428 static void
1429 shell_deactivate_app(struct wl_client *client,
1430                    struct wl_resource *shell_res,
1431                    const char *app_id)
1432 {
1433         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1434         struct ivi_compositor *ivi = dclient->ivi;
1435
1436         ivi_layout_deactivate(ivi, app_id);
1437         shell_advertise_app_state(ivi, app_id,
1438                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1439 }
1440
1441 /* stub, no usage for the time being */
1442 static void
1443 shell_destroy(struct wl_client *client, struct wl_resource *res)
1444 {
1445 }
1446
1447 static void
1448 shell_set_activate_region(struct wl_client *client, struct wl_resource *res,
1449                          struct wl_resource *output, int x, int y,
1450                          int width, int height)
1451 {
1452        struct ivi_compositor *ivi = wl_resource_get_user_data(res);
1453        struct weston_head *head = weston_head_from_resource(output);
1454        struct weston_output *woutput = weston_head_get_output(head);
1455        struct ivi_output *ioutput = to_ivi_output(woutput);
1456
1457        struct weston_geometry area = { .x = x, .y = y,
1458                                        .width = width,
1459                                        .height = height };
1460        if (ivi->shell_client.ready)
1461                return;
1462
1463        ioutput->area_activation = area;
1464 }
1465
1466 static void
1467 shell_ext_destroy(struct wl_client *client, struct wl_resource *res)
1468 {
1469         wl_resource_destroy(res);
1470 }
1471
1472 static void
1473 shell_ext_doas(struct wl_client *client, struct wl_resource *res)
1474 {
1475         struct  ivi_compositor *ivi = wl_resource_get_user_data(res);
1476
1477         ivi->shell_client_ext.doas_requested = true;
1478         agl_shell_ext_send_doas_done(ivi->shell_client_ext.resource,
1479                                      AGL_SHELL_EXT_DOAS_SHELL_CLIENT_STATUS_SUCCESS);
1480 }
1481
1482 static const struct agl_shell_interface agl_shell_implementation = {
1483         .ready = shell_ready,
1484         .set_background = shell_set_background,
1485         .set_panel = shell_set_panel,
1486         .activate_app = shell_activate_app,
1487         .destroy = shell_destroy,
1488         .set_activate_region = shell_set_activate_region
1489 };
1490
1491 static const struct agl_shell_ext_interface agl_shell_ext_implementation = {
1492         .destroy = shell_ext_destroy,
1493         .doas_shell_client = shell_ext_doas,
1494 };
1495
1496 static void
1497 shell_desktop_set_app_property(struct wl_client *client,
1498                                struct wl_resource *shell_res,
1499                                const char *app_id, uint32_t role,
1500                                int x, int y, int bx, int by,
1501                                int width, int height,
1502                                struct wl_resource *output_res)
1503 {
1504         struct weston_head *head = weston_head_from_resource(output_res);
1505         struct weston_output *woutput = weston_head_get_output(head);
1506         struct ivi_output *output = to_ivi_output(woutput);
1507
1508         switch (role) {
1509         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1510                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1511                                                       width, height, app_id);
1512                 break;
1513         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1514                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1515                 break;
1516         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1517         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1518                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1519                 break;
1520         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1521                 ivi_set_pending_desktop_surface_remote(output, app_id);
1522                 break;
1523         default:
1524                 break;
1525         }
1526 }
1527
1528 void
1529 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1530 {
1531         struct pending_popup *p_popup, *next_p_popup;
1532         struct pending_split *split_surf, *next_split_surf;
1533         struct pending_fullscreen *fs_surf, *next_fs_surf;
1534         struct pending_remote *remote_surf, *next_remote_surf;
1535
1536         wl_list_for_each_safe(p_popup, next_p_popup,
1537                               &ivi->popup_pending_apps, link)
1538                 ivi_remove_pending_desktop_surface_popup(p_popup);
1539
1540         wl_list_for_each_safe(split_surf, next_split_surf,
1541                               &ivi->split_pending_apps, link)
1542                 ivi_remove_pending_desktop_surface_split(split_surf);
1543
1544         wl_list_for_each_safe(fs_surf, next_fs_surf,
1545                               &ivi->fullscreen_pending_apps, link)
1546                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1547
1548         wl_list_for_each_safe(remote_surf, next_remote_surf,
1549                               &ivi->remote_pending_apps, link)
1550                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1551 }
1552
1553 static void
1554 shell_desktop_set_app_property_mode(struct wl_client *client,
1555                                     struct wl_resource *shell_res, uint32_t perm)
1556 {
1557         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1558         if (perm) {
1559                 dclient->ivi->keep_pending_surfaces = true;
1560         } else {
1561                 dclient->ivi->keep_pending_surfaces = false;
1562                 /* remove any previous pending surfaces */
1563                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1564         }
1565 }
1566
1567 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1568         .activate_app = shell_desktop_activate_app,
1569         .set_app_property = shell_desktop_set_app_property,
1570         .deactivate_app = shell_deactivate_app,
1571         .set_app_property_mode = shell_desktop_set_app_property_mode,
1572 };
1573
1574 static void
1575 unbind_agl_shell(struct wl_resource *resource)
1576 {
1577         struct ivi_compositor *ivi;
1578         struct ivi_output *output;
1579         struct ivi_surface *surf, *surf_tmp;
1580
1581         ivi = wl_resource_get_user_data(resource);
1582
1583         /* reset status to allow other clients issue legit requests */
1584         if (ivi->shell_client.resource &&
1585             ivi->shell_client.status == BOUND_FAILED) {
1586                 ivi->shell_client.status = BOUND_OK;
1587                 return;
1588         }
1589
1590         wl_list_for_each(output, &ivi->outputs, link) {
1591                 /* reset the active surf if there's one present */
1592                 if (output->active) {
1593                         output->active->view->is_mapped = false;
1594                         output->active->view->surface->is_mapped = false;
1595
1596                         weston_layer_entry_remove(&output->active->view->layer_link);
1597                         output->active = NULL;
1598                 }
1599
1600                 insert_black_curtain(output);
1601         }
1602
1603         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1604                 wl_list_remove(&surf->link);
1605                 wl_list_init(&surf->link);
1606         }
1607
1608         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1609                 wl_list_remove(&surf->link);
1610                 wl_list_init(&surf->link);
1611         }
1612
1613         wl_list_init(&ivi->surfaces);
1614         wl_list_init(&ivi->pending_surfaces);
1615
1616         ivi->shell_client.ready = false;
1617         ivi->shell_client.resource = NULL;
1618         ivi->shell_client.client = NULL;
1619 }
1620
1621 static void
1622 unbind_agl_shell_ext(struct wl_resource *resource)
1623 {
1624         struct ivi_compositor *ivi = wl_resource_get_user_data(resource);
1625
1626         ivi->shell_client_ext.resource = NULL;
1627 }
1628
1629 static void
1630 bind_agl_shell(struct wl_client *client,
1631                void *data, uint32_t version, uint32_t id)
1632 {
1633         struct ivi_compositor *ivi = data;
1634         struct wl_resource *resource;
1635         struct ivi_policy *policy;
1636         void *interface;
1637
1638         policy = ivi->policy;
1639         interface = (void *) &agl_shell_interface;
1640         if (policy && policy->api.shell_bind_interface &&
1641             !policy->api.shell_bind_interface(client, interface)) {
1642                 wl_client_post_implementation_error(client,
1643                                        "client not authorized to use agl_shell");
1644                 return;
1645         }
1646
1647         resource = wl_resource_create(client, &agl_shell_interface, version, id);
1648         if (!resource) {
1649                 wl_client_post_no_memory(client);
1650                 return;
1651         }
1652
1653         if (ivi->shell_client.resource) {
1654                 if (wl_resource_get_version(resource) == 1) {
1655                         wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1656                                                "agl_shell has already been bound");
1657                         return;
1658                 }
1659
1660                 if (ivi->shell_client_ext.resource &&
1661                     ivi->shell_client_ext.doas_requested) {
1662
1663                         wl_resource_set_implementation(resource, &agl_shell_implementation,
1664                                                        ivi, NULL);
1665                         ivi->shell_client_ext.resource = resource;
1666
1667                         if (ivi->shell_client.status == BOUND_OK &&
1668                             wl_resource_get_version(resource) >= AGL_SHELL_BOUND_OK_SINCE_VERSION) {
1669                                 weston_log("Sent agl_shell_send_bound_ok to client ext\n");
1670                                 ivi->shell_client_ext.status = BOUND_OK;
1671                                 agl_shell_send_bound_ok(ivi->shell_client_ext.resource);
1672                         }
1673
1674                         return;
1675                 } else {
1676                         agl_shell_send_bound_fail(resource);
1677                         ivi->shell_client.status = BOUND_FAILED;
1678                 }
1679         }
1680
1681         wl_resource_set_implementation(resource, &agl_shell_implementation,
1682                                        ivi, unbind_agl_shell);
1683         ivi->shell_client.resource = resource;
1684
1685         if (ivi->shell_client.status == BOUND_OK &&
1686             wl_resource_get_version(resource) >= AGL_SHELL_BOUND_OK_SINCE_VERSION)
1687                 agl_shell_send_bound_ok(ivi->shell_client.resource);
1688 }
1689
1690 static void
1691 bind_agl_shell_ext(struct wl_client *client,
1692                    void *data, uint32_t version, uint32_t id)
1693 {
1694         struct ivi_compositor *ivi = data;
1695         struct wl_resource *resource;
1696
1697         resource = wl_resource_create(client, &agl_shell_ext_interface, version, id);
1698         if (!resource) {
1699                 wl_client_post_no_memory(client);
1700                 return;
1701         }
1702
1703         if (ivi->shell_client_ext.resource) {
1704                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1705                                        "agl_shell_ext has already been bound");
1706                 return;
1707         }
1708
1709         wl_resource_set_implementation(resource, &agl_shell_ext_implementation,
1710                                        ivi, unbind_agl_shell_ext);
1711         ivi->shell_client_ext.resource = resource;
1712 }
1713
1714 static void
1715 unbind_agl_shell_desktop(struct wl_resource *resource)
1716 {
1717         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1718
1719         wl_list_remove(&dclient->link);
1720         free(dclient);
1721 }
1722
1723 static void
1724 bind_agl_shell_desktop(struct wl_client *client,
1725                        void *data, uint32_t version, uint32_t id)
1726 {
1727         struct ivi_compositor *ivi = data;
1728         struct wl_resource *resource;
1729         struct ivi_policy *policy;
1730         struct desktop_client *dclient;
1731         void *interface;
1732
1733         policy = ivi->policy;
1734         interface  = (void *) &agl_shell_desktop_interface;
1735         if (policy && policy->api.shell_bind_interface &&
1736             !policy->api.shell_bind_interface(client, interface)) {
1737                 wl_client_post_implementation_error(client,
1738                                 "client not authorized to use agl_shell_desktop");
1739                 return;
1740         }
1741
1742         dclient = zalloc(sizeof(*dclient));
1743         if (!dclient) {
1744                 wl_client_post_no_memory(client);
1745                 return;
1746         }
1747
1748         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1749                                       version, id);
1750         dclient->ivi = ivi;
1751         if (!resource) {
1752                 wl_client_post_no_memory(client);
1753                 return;
1754         }
1755
1756         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1757                                        dclient, unbind_agl_shell_desktop);
1758
1759         dclient->resource = resource;
1760         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1761
1762         /* advertise xdg surfaces */
1763         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1764 }
1765
1766 int
1767 ivi_shell_create_global(struct ivi_compositor *ivi)
1768 {
1769         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1770                                           &agl_shell_interface, 4,
1771                                           ivi, bind_agl_shell);
1772         if (!ivi->agl_shell) {
1773                 weston_log("Failed to create wayland global.\n");
1774                 return -1;
1775         }
1776
1777         ivi->agl_shell_ext = wl_global_create(ivi->compositor->wl_display,
1778                                               &agl_shell_ext_interface, 1,
1779                                               ivi, bind_agl_shell_ext);
1780         if (!ivi->agl_shell_ext) {
1781                 weston_log("Failed to create agl_shell_ext global.\n");
1782                 return -1;
1783         }
1784
1785         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1786                                                   &agl_shell_desktop_interface, 2,
1787                                                   ivi, bind_agl_shell_desktop);
1788         if (!ivi->agl_shell_desktop) {
1789                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1790                 return -1;
1791         }
1792
1793         return 0;
1794 }