agl-compositor: Add NULL check after creating surface/view
[src/agl-compositor.git] / src / shell.c
1 /*
2  * Copyright © 2019 Collabora, Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial
14  * portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25
26 #include "ivi-compositor.h"
27 #include "policy.h"
28
29 #include <assert.h>
30 #include <errno.h>
31 #include <fcntl.h>
32 #include <signal.h>
33 #include <string.h>
34 #include <sys/socket.h>
35 #include <sys/types.h>
36 #include <unistd.h>
37 #include <libweston/libweston.h>
38 #include <libweston/config-parser.h>
39
40 #include "shared/os-compatibility.h"
41
42 #include "agl-shell-server-protocol.h"
43 #include "agl-shell-desktop-server-protocol.h"
44
45 #ifdef HAVE_WALTHAM
46 #include <waltham-transmitter/transmitter_api.h>
47 #endif
48
49 static void
50 create_black_surface_view(struct ivi_output *output);
51
52 void
53 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
54                                            struct ivi_surface *surface)
55 {
56         struct desktop_client *dclient;
57         static bool display_adv = false;
58
59         if (surface->advertised_on_launch)
60                 return;
61
62         /* advertise to all desktop clients the new surface */
63         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
64                 const char *app_id =
65                         weston_desktop_surface_get_app_id(surface->dsurface);
66                 if (app_id == NULL) {
67                         if (!display_adv) {
68                                 weston_log("WARNING app_is is null, unable to advertise\n");
69                                 display_adv = true;
70                         }
71                         return;
72                 }
73                 agl_shell_desktop_send_application(dclient->resource, app_id);
74                 surface->advertised_on_launch = true;
75         }
76 }
77
78 void
79 ivi_set_desktop_surface(struct ivi_surface *surface)
80 {
81         struct ivi_compositor *ivi = surface->ivi;
82         assert(surface->role == IVI_SURFACE_ROLE_NONE);
83
84         surface->role = IVI_SURFACE_ROLE_DESKTOP;
85         wl_list_insert(&surface->ivi->surfaces, &surface->link);
86
87         agl_shell_desktop_advertise_application_id(ivi, surface);
88 }
89
90 static void
91 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
92 {
93         struct ivi_compositor *ivi = surface->ivi;
94         assert(surface->role == IVI_SURFACE_ROLE_NONE);
95
96         surface->role = IVI_SURFACE_ROLE_POPUP;
97         wl_list_insert(&ivi->surfaces, &surface->link);
98
99         agl_shell_desktop_advertise_application_id(ivi, surface);
100 }
101
102 static void
103 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
104 {
105         struct ivi_compositor *ivi = surface->ivi;
106         assert(surface->role == IVI_SURFACE_ROLE_NONE);
107
108         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
109         wl_list_insert(&ivi->surfaces, &surface->link);
110
111         agl_shell_desktop_advertise_application_id(ivi, surface);
112 }
113
114 #ifdef HAVE_WALTHAM
115 void
116 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
117 {
118         struct ivi_compositor *ivi = surface->ivi;
119         const struct weston_transmitter_api *api =
120                 ivi->waltham_transmitter_api;
121
122         if (!api)
123                 return;
124
125         if (surface->waltham_surface.transmitter_surface)
126                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
127 }
128
129 static void
130 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
131 {
132         struct ivi_compositor *ivi = surface->ivi;
133         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
134         struct weston_transmitter *transmitter;
135         struct weston_transmitter_remote *trans_remote;
136         struct weston_surface *weston_surface;
137         struct weston_output *woutput = surface->remote.output->output;
138         const char *app_id;
139
140         if (!api)
141                 return;
142
143         transmitter = api->transmitter_get(ivi->compositor);
144         if (!transmitter)
145                 return;
146
147         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
148         if (!trans_remote) {
149                 weston_log("Could not find a valie weston_transmitter_remote "
150                                 "that matches the output %s\n", woutput->name);
151                 return;
152         }
153
154         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
155         weston_surface =
156                 weston_desktop_surface_get_surface(surface->dsurface);
157
158         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
159
160         /* this will have the effect of informing the remote side to create a
161          * surface with the name app_id. W/ xdg-shell the following happens:
162          *
163          * compositor (server):
164          * surface_push_to_remote():
165          *      waltham-transmitter plug-in
166          *              -> wthp_ivi_app_id_surface_create()
167          *
168          * client -- on the receiver side:
169          *      -> wthp_ivi_app_id_surface_create()
170          *              -> wth_receiver_weston_main()
171          *                      -> wl_compositor_create_surface()
172          *                      -> xdg_wm_base_get_xdg_surface
173          *                      -> xdg_toplevel_set_app_id()
174          *                      -> gst_init()
175          *                      -> gst_parse_launch()
176          *
177          * wth_receiver_weston_main() will be invoked from the handler of
178          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
179          * the gstreamer pipeline as well.
180          */
181         surface->waltham_surface.transmitter_surface =
182             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
183 }
184
185 #else
186 void
187 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
188 {
189 }
190 static void
191 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
192 {
193 }
194 #endif
195
196 static void
197 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
198 {
199         struct ivi_compositor *ivi = surface->ivi;
200         struct weston_view *view;
201         struct ivi_output *output = surface->remote.output;
202
203         assert(surface->role == IVI_SURFACE_ROLE_NONE);
204
205         /* remote type are the same as desktop just that client can tell
206          * the compositor to start on another output */
207         surface->role = IVI_SURFACE_ROLE_REMOTE;
208
209         /* if thew black surface view is mapped on the mean we need
210          * to remove it in order to start showing the 'remote' surface
211          * just being added */
212         view = output->fullscreen_view.fs->view;
213         if (view->is_mapped || view->surface->is_mapped)
214                 remove_black_surface(output);
215
216         if (output->type == OUTPUT_WALTHAM)
217                 ivi_output_notify_waltham_plugin(surface);
218
219         wl_list_insert(&ivi->surfaces, &surface->link);
220 }
221
222
223 static void
224 ivi_set_desktop_surface_split(struct ivi_surface *surface)
225 {
226         struct ivi_compositor *ivi = surface->ivi;
227         assert(surface->role == IVI_SURFACE_ROLE_NONE);
228
229         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
230                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
231         else
232                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
233
234         wl_list_insert(&ivi->surfaces, &surface->link);
235
236         agl_shell_desktop_advertise_application_id(ivi, surface);
237 }
238
239 static struct pending_popup *
240 ivi_ensure_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
241                  int width, int height, const char *app_id)
242 {
243         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
244         size_t len_app_id = strlen(app_id);
245
246         if (!p_popup)
247                 return NULL;
248         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
249         if (!p_popup->app_id) {
250                 free(p_popup);
251                 return NULL;
252         }
253         memcpy(p_popup->app_id, app_id, len_app_id);
254         p_popup->ioutput = ioutput;
255         p_popup->x = x;
256         p_popup->y = y;
257
258         p_popup->bb.x = bx;
259         p_popup->bb.y = by;
260         p_popup->bb.width = width;
261         p_popup->bb.height = height;
262
263         return p_popup;
264 }
265
266 static void
267 ivi_update_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
268                  int width, int height, const char *app_id, struct pending_popup *p_popup)
269 {
270         size_t len_app_id = strlen(app_id);
271
272         wl_list_remove(&p_popup->link);
273         wl_list_init(&p_popup->link);
274
275         memset(p_popup->app_id, 0, strlen(app_id) + 1);
276         free(p_popup->app_id);
277
278         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
279         if (!p_popup->app_id)
280                 return;
281         memcpy(p_popup->app_id, app_id, len_app_id);
282
283         p_popup->ioutput = ioutput;
284         p_popup->x = x;
285         p_popup->y = y;
286
287         p_popup->bb.x = bx;
288         p_popup->bb.y = by;
289         p_popup->bb.width = width;
290         p_popup->bb.height = height;
291 }
292
293 static struct pending_fullscreen *
294 ivi_ensure_fullscreen(struct ivi_output *ioutput, const char *app_id)
295 {
296         struct pending_fullscreen *p_fullscreen = zalloc(sizeof(*p_fullscreen));
297         size_t len_app_id = strlen(app_id);
298
299         if (!p_fullscreen)
300                 return NULL;
301         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
302         if (!p_fullscreen->app_id) {
303                 free(p_fullscreen);
304                 return NULL;
305         }
306         memcpy(p_fullscreen->app_id, app_id, len_app_id);
307
308         p_fullscreen->ioutput = ioutput;
309         return p_fullscreen;
310 }
311
312 static void
313 ivi_update_fullscreen(struct ivi_output *ioutput, const char *app_id,
314                       struct pending_fullscreen *p_fullscreen)
315 {
316         size_t len_app_id = strlen(app_id);
317
318         wl_list_remove(&p_fullscreen->link);
319         wl_list_init(&p_fullscreen->link);
320
321         memset(p_fullscreen->app_id, 0, strlen(app_id) + 1);
322         free(p_fullscreen->app_id);
323
324         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
325         if (!p_fullscreen->app_id)
326                 return;
327         memcpy(p_fullscreen->app_id, app_id, len_app_id);
328
329         p_fullscreen->ioutput = ioutput;
330 }
331
332 static struct pending_remote *
333 ivi_ensure_remote(struct ivi_output *ioutput, const char *app_id)
334 {
335         struct pending_remote *p_remote = zalloc(sizeof(*p_remote));
336         size_t len_app_id = strlen(app_id);
337
338         if (!p_remote)
339                 return NULL;
340         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
341         if (!p_remote->app_id) {
342                 free(p_remote);
343                 return NULL;
344         }
345         memcpy(p_remote->app_id, app_id, len_app_id);
346
347         p_remote->ioutput = ioutput;
348         return p_remote;
349 }
350
351 static void
352 ivi_update_remote(struct ivi_output *ioutput, const char *app_id,
353                       struct pending_remote *p_remote)
354 {
355         size_t len_app_id = strlen(app_id);
356
357         wl_list_remove(&p_remote->link);
358         wl_list_init(&p_remote->link);
359
360         memset(p_remote->app_id, 0, strlen(app_id) + 1);
361         free(p_remote->app_id);
362
363         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
364         if (!p_remote->app_id)
365                 return;
366         memcpy(p_remote->app_id, app_id, len_app_id);
367
368         p_remote->ioutput = ioutput;
369 }
370
371 static void
372 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput, int x, int y, int bx,
373                                       int by, int width, int height, const char *app_id)
374 {
375         struct ivi_compositor *ivi = ioutput->ivi;
376         struct pending_popup *p_popup = NULL;
377         struct pending_popup *popup;
378
379         wl_list_for_each(popup, &ivi->popup_pending_apps, link)
380                 if (!strcmp(app_id, popup->app_id))
381                         p_popup = popup;
382
383         if (!p_popup)
384                 p_popup = ivi_ensure_popup(ioutput, x, y, bx, by, width, height, app_id);
385         else
386                 ivi_update_popup(ioutput, x, y, bx, by, width, height, app_id, p_popup);
387         if (!p_popup)
388                 return;
389
390         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
391 }
392
393 static void
394 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
395                                            const char *app_id)
396 {
397         struct ivi_compositor *ivi = ioutput->ivi;
398         struct pending_fullscreen *p_fullscreen = NULL;
399         struct pending_fullscreen *fullscreen;
400
401         wl_list_for_each(fullscreen, &ivi->fullscreen_pending_apps, link)
402                 if (!strcmp(app_id, fullscreen->app_id))
403                         p_fullscreen = fullscreen;
404
405         if (!p_fullscreen)
406                 p_fullscreen = ivi_ensure_fullscreen(ioutput, app_id);
407         else
408                 ivi_update_fullscreen(ioutput, app_id, p_fullscreen);
409
410         if (!p_fullscreen)
411                 return;
412         wl_list_insert(&ivi->fullscreen_pending_apps, &p_fullscreen->link);
413 }
414
415 static void
416 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
417                                       const char *app_id, uint32_t orientation)
418 {
419         struct ivi_compositor *ivi = ioutput->ivi;
420         struct ivi_surface *surf;
421         size_t len_app_id = strlen(app_id);
422         struct pending_split *split;
423
424         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
425             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
426                 return;
427
428         /* more than one is un-supported, do note we need to do
429          * conversion for surface roles instead of using the protocol ones */
430         wl_list_for_each(surf, &ivi->surfaces, link)
431                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
432                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
433                         return;
434
435         split = zalloc(sizeof(*split));
436         if (!split)
437                 return;
438         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
439         if (!split->app_id) {
440                 free(split);
441                 return;
442         }
443         memcpy(split->app_id, app_id, len_app_id);
444
445         split->ioutput = ioutput;
446         split->orientation = orientation;
447
448         wl_list_insert(&ivi->split_pending_apps, &split->link);
449 }
450
451 void
452 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
453                 const char *app_id)
454 {
455         struct ivi_compositor *ivi = ioutput->ivi;
456         struct pending_remote *remote;
457         struct pending_remote *p_remote = NULL;
458
459         wl_list_for_each(remote, &ivi->remote_pending_apps, link)
460                 if (!strcmp(app_id, remote->app_id))
461                         p_remote = remote;
462
463         if (!p_remote)
464                 p_remote = ivi_ensure_remote(ioutput, app_id);
465         else
466                 ivi_update_remote(ioutput, app_id, p_remote);
467         if (!p_remote)
468                 return;
469
470         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
471 }
472
473
474 static void
475 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
476 {
477         free(split->app_id);
478         wl_list_remove(&split->link);
479         free(split);
480 }
481
482 static void
483 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
484 {
485         free(fs->app_id);
486         wl_list_remove(&fs->link);
487         free(fs);
488 }
489
490 static void
491 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
492 {
493         free(p_popup->app_id);
494         wl_list_remove(&p_popup->link);
495         free(p_popup);
496 }
497
498 static void
499 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
500 {
501         free(remote->app_id);
502         wl_list_remove(&remote->link);
503         free(remote);
504 }
505
506 static bool
507 ivi_compositor_keep_pending_surfaces(struct ivi_surface *surface)
508 {
509         return surface->ivi->keep_pending_surfaces;
510 }
511
512 static bool
513 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
514 {
515         struct ivi_compositor *ivi = surface->ivi;
516         struct pending_popup *p_popup, *next_p_popup;
517         const char *_app_id =
518                         weston_desktop_surface_get_app_id(surface->dsurface);
519
520         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
521                 return false;
522
523         wl_list_for_each_safe(p_popup, next_p_popup,
524                               &ivi->popup_pending_apps, link) {
525                 if (!strcmp(_app_id, p_popup->app_id)) {
526                         surface->popup.output = p_popup->ioutput;
527                         surface->popup.x = p_popup->x;
528                         surface->popup.y = p_popup->y;
529
530                         surface->popup.bb.x = p_popup->bb.x;
531                         surface->popup.bb.y = p_popup->bb.y;
532                         surface->popup.bb.width = p_popup->bb.width;
533                         surface->popup.bb.height = p_popup->bb.height;
534
535                         if (!ivi_compositor_keep_pending_surfaces(surface))
536                                 ivi_remove_pending_desktop_surface_popup(p_popup);
537                         return true;
538                 }
539         }
540
541         return false;
542 }
543
544 static bool
545 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
546 {
547         struct pending_split *split_surf, *next_split_surf;
548         struct ivi_compositor *ivi = surface->ivi;
549         const char *_app_id =
550                         weston_desktop_surface_get_app_id(surface->dsurface);
551
552         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
553                 return false;
554
555         wl_list_for_each_safe(split_surf, next_split_surf,
556                               &ivi->split_pending_apps, link) {
557                 if (!strcmp(_app_id, split_surf->app_id)) {
558                         surface->split.output = split_surf->ioutput;
559                         surface->split.orientation = split_surf->orientation;
560                         if (!ivi_compositor_keep_pending_surfaces(surface))
561                                 ivi_remove_pending_desktop_surface_split(split_surf);
562                         return true;
563                 }
564         }
565
566         return false;
567 }
568
569 static bool
570 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
571 {
572         struct pending_fullscreen *fs_surf, *next_fs_surf;
573         struct ivi_compositor *ivi = surface->ivi;
574         const char *_app_id =
575                         weston_desktop_surface_get_app_id(surface->dsurface);
576
577         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
578                 return false;
579
580         wl_list_for_each_safe(fs_surf, next_fs_surf,
581                               &ivi->fullscreen_pending_apps, link) {
582                 if (!strcmp(_app_id, fs_surf->app_id)) {
583                         surface->fullscreen.output = fs_surf->ioutput;
584                         if (!ivi_compositor_keep_pending_surfaces(surface))
585                                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
586                         return true;
587                 }
588         }
589
590         return false;
591 }
592
593 static bool
594 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
595 {
596         struct pending_remote *remote_surf, *next_remote_surf;
597         struct ivi_compositor *ivi = surface->ivi;
598         const char *_app_id =
599                 weston_desktop_surface_get_app_id(surface->dsurface);
600
601         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
602                 return false;
603
604         wl_list_for_each_safe(remote_surf, next_remote_surf,
605                               &ivi->remote_pending_apps, link) {
606                 if (!strcmp(_app_id, remote_surf->app_id)) {
607                         surface->remote.output = remote_surf->ioutput;
608                         if (!ivi_compositor_keep_pending_surfaces(surface))
609                                 ivi_remove_pending_desktop_surface_remote(remote_surf);
610                         return true;
611                 }
612         }
613
614         return false;
615 }
616
617 bool
618 ivi_check_pending_surface(struct ivi_surface *surface)
619 {
620         struct ivi_compositor *ivi = surface->ivi;
621         struct wl_list *role_pending_list;
622         struct pending_popup *p_popup;
623         struct pending_split *p_split;
624         struct pending_fullscreen *p_fullscreen;
625         struct pending_remote *p_remote;
626         const char *app_id =
627                 weston_desktop_surface_get_app_id(surface->dsurface);
628
629         if (!app_id)
630                 return false;
631
632         role_pending_list = &ivi->popup_pending_apps;
633         wl_list_for_each(p_popup, role_pending_list, link) {
634                 if (!strcmp(app_id, p_popup->app_id)) {
635                         return true;
636                 }
637         }
638
639         role_pending_list = &ivi->split_pending_apps;
640         wl_list_for_each(p_split, role_pending_list, link) {
641                 if (!strcmp(app_id, p_split->app_id)) {
642                         return true;
643                 }
644         }
645
646         role_pending_list = &ivi->fullscreen_pending_apps;
647         wl_list_for_each(p_fullscreen, role_pending_list, link) {
648                 if (!strcmp(app_id, p_fullscreen->app_id)) {
649                         return true;
650                 }
651         }
652
653         role_pending_list = &ivi->remote_pending_apps;
654         wl_list_for_each(p_remote, role_pending_list, link) {
655                 if (!strcmp(app_id, p_remote->app_id)) {
656                         return true;
657                 }
658         }
659
660         /* else, we are a regular desktop surface */
661         return false;
662 }
663
664
665 void
666 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
667 {
668         bool ret = false;
669
670         ret = ivi_check_pending_desktop_surface_popup(surface);
671         if (ret) {
672                 ivi_set_desktop_surface_popup(surface);
673                 ivi_layout_popup_committed(surface);
674                 return;
675         }
676
677         ret = ivi_check_pending_desktop_surface_split(surface);
678         if (ret) {
679                 ivi_set_desktop_surface_split(surface);
680                 ivi_layout_split_committed(surface);
681                 return;
682         }
683
684         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
685         if (ret) {
686                 ivi_set_desktop_surface_fullscreen(surface);
687                 ivi_layout_fullscreen_committed(surface);
688                 return;
689         }
690
691         ret = ivi_check_pending_desktop_surface_remote(surface);
692         if (ret) {
693                 ivi_set_desktop_surface_remote(surface);
694                 ivi_layout_desktop_committed(surface);
695                 return;
696         }
697
698         /* if we end up here means we have a regular desktop app and
699          * try to activate it */
700         ivi_set_desktop_surface(surface);
701         ivi_layout_desktop_committed(surface);
702 }
703
704 void
705 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
706 {
707         struct ivi_output *out;
708
709         wl_list_for_each(out, &ivi->outputs, link) {
710                 create_black_surface_view(out);
711                 insert_black_surface(out);
712         }
713 }
714
715 int
716 ivi_shell_init(struct ivi_compositor *ivi)
717 {
718         weston_layer_init(&ivi->hidden, ivi->compositor);
719         weston_layer_init(&ivi->background, ivi->compositor);
720         weston_layer_init(&ivi->normal, ivi->compositor);
721         weston_layer_init(&ivi->panel, ivi->compositor);
722         weston_layer_init(&ivi->popup, ivi->compositor);
723         weston_layer_init(&ivi->fullscreen, ivi->compositor);
724
725         weston_layer_set_position(&ivi->hidden,
726                                   WESTON_LAYER_POSITION_HIDDEN);
727         weston_layer_set_position(&ivi->background,
728                                   WESTON_LAYER_POSITION_BACKGROUND);
729         weston_layer_set_position(&ivi->normal,
730                                   WESTON_LAYER_POSITION_NORMAL);
731         weston_layer_set_position(&ivi->panel,
732                                   WESTON_LAYER_POSITION_UI);
733         weston_layer_set_position(&ivi->popup,
734                                   WESTON_LAYER_POSITION_TOP_UI);
735         weston_layer_set_position(&ivi->fullscreen,
736                                   WESTON_LAYER_POSITION_FULLSCREEN);
737
738         return 0;
739 }
740
741 static void
742 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
743 {
744         struct ivi_surface *surface;
745
746         wl_list_for_each(surface, &ivi->surfaces, link) {
747                 const char *app_id =
748                         weston_desktop_surface_get_app_id(surface->dsurface);
749                 if (app_id == NULL) {
750                         weston_log("WARNING app_is is null, unable to advertise\n");
751                         return;
752                 }
753                 agl_shell_desktop_send_application(resource, app_id);
754         }
755 }
756
757 static void
758 client_exec(const char *command, int fd)
759 {
760         sigset_t sig;
761         char s[32];
762
763         /* Don't give the child our signal mask */
764         sigfillset(&sig);
765         sigprocmask(SIG_UNBLOCK, &sig, NULL);
766
767         /* Launch clients as the user; don't give them the wrong euid */
768         if (seteuid(getuid()) == -1) {
769                 weston_log("seteuid failed: %s\n", strerror(errno));
770                 return;
771         }
772
773         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
774          * clobbering fd, as we'll exit/exec either way.
775          */
776         fd = dup(fd);
777         if (fd == -1) {
778                 weston_log("dup failed: %s\n", strerror(errno));
779                 return;
780         }
781
782         snprintf(s, sizeof s, "%d", fd);
783         setenv("WAYLAND_SOCKET", s, 1);
784
785         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
786         weston_log("executing '%s' failed: %s", command, strerror(errno));
787 }
788
789 static struct wl_client *
790 launch_shell_client(struct ivi_compositor *ivi, const char *command)
791 {
792         struct wl_client *client;
793         int sock[2];
794         pid_t pid;
795
796         weston_log("launching' %s'\n", command);
797
798         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
799                 weston_log("socketpair failed while launching '%s': %s\n",
800                            command, strerror(errno));
801                 return NULL;
802         }
803
804         pid = fork();
805         if (pid == -1) {
806                 close(sock[0]);
807                 close(sock[1]);
808                 weston_log("fork failed while launching '%s': %s\n",
809                            command, strerror(errno));
810                 return NULL;
811         }
812
813         if (pid == 0) {
814                 client_exec(command, sock[1]);
815                 _Exit(EXIT_FAILURE);
816         }
817         close(sock[1]);
818
819         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
820         if (!client) {
821                 close(sock[0]);
822                 weston_log("Failed to create wayland client for '%s'",
823                            command);
824                 return NULL;
825         }
826
827         return client;
828 }
829
830 int
831 ivi_launch_shell_client(struct ivi_compositor *ivi)
832 {
833         struct weston_config_section *section;
834         char *command = NULL;
835
836         section = weston_config_get_section(ivi->config, "shell-client",
837                                             NULL, NULL);
838         if (section)
839                 weston_config_section_get_string(section, "command",
840                                                  &command, NULL);
841
842         if (!command)
843                 return -1;
844
845         ivi->shell_client.client = launch_shell_client(ivi, command);
846         if (!ivi->shell_client.client)
847                 return -1;
848
849         return 0;
850 }
851
852 static void
853 destroy_black_view(struct wl_listener *listener, void *data)
854 {
855         struct fullscreen_view *fs =
856                 wl_container_of(listener, fs, fs_destroy);
857
858
859         if (fs && fs->fs) {
860                 wl_list_remove(&fs->fs_destroy.link);
861                 free(fs->fs);
862         }
863 }
864
865
866 static void
867 create_black_surface_view(struct ivi_output *output)
868 {
869         struct weston_surface *surface = NULL;
870         struct weston_view *view;
871         struct ivi_compositor *ivi = output->ivi;
872         struct weston_compositor *wc= ivi->compositor;
873         struct weston_output *woutput = output->output;
874
875         if (!woutput)
876                 return;
877
878         surface = weston_surface_create(wc);
879         if (!surface)
880                 return;
881         view = weston_view_create(surface);
882         if (!view) {
883                 weston_surface_destroy(surface);
884                 return;
885         }
886
887         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
888         weston_surface_set_size(surface, woutput->width, woutput->height);
889         weston_view_set_position(view, woutput->x, woutput->y);
890
891         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
892         if (!output->fullscreen_view.fs) {
893                 weston_surface_destroy(surface);
894                 return;
895         }
896         output->fullscreen_view.fs->view = view;
897
898         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
899         wl_signal_add(&woutput->destroy_signal,
900                       &output->fullscreen_view.fs_destroy);
901 }
902
903 void
904 remove_black_surface(struct ivi_output *output)
905 {
906         struct weston_view *view;
907
908         if (!output &&
909             !output->fullscreen_view.fs &&
910             !output->fullscreen_view.fs->view) {
911                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
912                 return;
913         }
914
915         view = output->fullscreen_view.fs->view;
916         assert(view->is_mapped == true ||
917                view->surface->is_mapped == true);
918
919         view->is_mapped = false;
920         view->surface->is_mapped = false;
921
922         weston_layer_entry_remove(&view->layer_link);
923         weston_view_update_transform(view);
924
925         weston_view_damage_below(view);
926 }
927
928 void
929 insert_black_surface(struct ivi_output *output)
930 {
931         struct weston_view *view;
932
933         if ((!output &&
934             !output->fullscreen_view.fs &&
935             !output->fullscreen_view.fs->view) || !output->output) {
936                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
937                 return;
938         }
939
940         view = output->fullscreen_view.fs->view;
941         if (view->is_mapped || view->surface->is_mapped)
942                 return;
943
944         weston_layer_entry_remove(&view->layer_link);
945         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
946                                   &view->layer_link);
947
948         view->is_mapped = true;
949         view->surface->is_mapped = true;
950
951         weston_view_update_transform(view);
952         weston_view_damage_below(view);
953 }
954
955 static void
956 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
957 {
958         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
959         struct ivi_output *output;
960         struct ivi_surface *surface, *tmp;
961
962         /* Init already finished. Do nothing */
963         if (ivi->shell_client.ready)
964                 return;
965
966         ivi->shell_client.ready = true;
967
968         wl_list_for_each(output, &ivi->outputs, link) {
969                 if (output->background)
970                         remove_black_surface(output);
971                 ivi_layout_init(ivi, output);
972         }
973
974         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
975                 wl_list_remove(&surface->link);
976                 wl_list_init(&surface->link);
977                 ivi_check_pending_desktop_surface(surface);
978                 surface->checked_pending = true;
979         }
980 }
981
982 static void
983 shell_set_background(struct wl_client *client,
984                      struct wl_resource *shell_res,
985                      struct wl_resource *surface_res,
986                      struct wl_resource *output_res)
987 {
988         struct weston_head *head = weston_head_from_resource(output_res);
989         struct weston_output *woutput = weston_head_get_output(head);
990         struct ivi_output *output = to_ivi_output(woutput);
991         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
992         struct weston_desktop_surface *dsurface;
993         struct ivi_surface *surface;
994
995         dsurface = weston_surface_get_desktop_surface(wsurface);
996         if (!dsurface) {
997                 wl_resource_post_error(shell_res,
998                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
999                                        "surface must be a desktop surface");
1000                 return;
1001         }
1002
1003         surface = weston_desktop_surface_get_user_data(dsurface);
1004         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1005                 wl_resource_post_error(shell_res,
1006                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1007                                        "surface already has another ivi role");
1008                 return;
1009         }
1010
1011         if (output->background) {
1012                 wl_resource_post_error(shell_res,
1013                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1014                                        "output already has background");
1015                 return;
1016         }
1017
1018         surface->checked_pending = true;
1019         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1020         surface->bg.output = output;
1021         wl_list_remove(&surface->link);
1022         wl_list_init(&surface->link);
1023
1024         output->background = surface;
1025
1026         weston_desktop_surface_set_maximized(dsurface, true);
1027         weston_desktop_surface_set_size(dsurface,
1028                                         output->output->width,
1029                                         output->output->height);
1030 }
1031
1032 static void
1033 shell_set_panel(struct wl_client *client,
1034                 struct wl_resource *shell_res,
1035                 struct wl_resource *surface_res,
1036                 struct wl_resource *output_res,
1037                 uint32_t edge)
1038 {
1039         struct weston_head *head = weston_head_from_resource(output_res);
1040         struct weston_output *woutput = weston_head_get_output(head);
1041         struct ivi_output *output = to_ivi_output(woutput);
1042         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1043         struct weston_desktop_surface *dsurface;
1044         struct ivi_surface *surface;
1045         struct ivi_surface **member;
1046         int32_t width = 0, height = 0;
1047
1048         dsurface = weston_surface_get_desktop_surface(wsurface);
1049         if (!dsurface) {
1050                 wl_resource_post_error(shell_res,
1051                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1052                                        "surface must be a desktop surface");
1053                 return;
1054         }
1055
1056         surface = weston_desktop_surface_get_user_data(dsurface);
1057         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1058                 wl_resource_post_error(shell_res,
1059                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1060                                        "surface already has another ivi role");
1061                 return;
1062         }
1063
1064         switch (edge) {
1065         case AGL_SHELL_EDGE_TOP:
1066                 member = &output->top;
1067                 break;
1068         case AGL_SHELL_EDGE_BOTTOM:
1069                 member = &output->bottom;
1070                 break;
1071         case AGL_SHELL_EDGE_LEFT:
1072                 member = &output->left;
1073                 break;
1074         case AGL_SHELL_EDGE_RIGHT:
1075                 member = &output->right;
1076                 break;
1077         default:
1078                 wl_resource_post_error(shell_res,
1079                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1080                                        "invalid edge for panel");
1081                 return;
1082         }
1083
1084         if (*member) {
1085                 wl_resource_post_error(shell_res,
1086                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1087                                        "output already has panel on this edge");
1088                 return;
1089         }
1090
1091         surface->checked_pending = true;
1092         surface->role = IVI_SURFACE_ROLE_PANEL;
1093         surface->panel.output = output;
1094         surface->panel.edge = edge;
1095         wl_list_remove(&surface->link);
1096         wl_list_init(&surface->link);
1097
1098         *member = surface;
1099
1100         switch (surface->panel.edge) {
1101         case AGL_SHELL_EDGE_TOP:
1102         case AGL_SHELL_EDGE_BOTTOM:
1103                 width = woutput->width;
1104                 break;
1105         case AGL_SHELL_EDGE_LEFT:
1106         case AGL_SHELL_EDGE_RIGHT:
1107                 height = woutput->height;
1108                 break;
1109         }
1110
1111         weston_desktop_surface_set_size(dsurface, width, height);
1112 }
1113
1114 void
1115 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1116                           const char *data, uint32_t app_state)
1117 {
1118         struct desktop_client *dclient;
1119         uint32_t app_role;
1120         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1121         struct ivi_policy *policy = ivi->policy;
1122
1123         /* FIXME: should queue it here and see when binding agl-shell-desktop
1124          * if there are any to be sent */
1125         if (!surf)
1126                 return;
1127
1128         if (!app_id)
1129                 return;
1130
1131         if (policy && policy->api.surface_advertise_state_change &&
1132             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1133                 return;
1134         }
1135
1136         app_role = surf->role;
1137         if (app_role == IVI_SURFACE_ROLE_POPUP)
1138                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1139
1140         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1141                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1142                                                  data, app_state, app_role);
1143 }
1144
1145 static void
1146 shell_activate_app(struct wl_client *client,
1147                    struct wl_resource *shell_res,
1148                    const char *app_id,
1149                    struct wl_resource *output_res)
1150 {
1151         struct weston_head *head = weston_head_from_resource(output_res);
1152         struct weston_output *woutput = weston_head_get_output(head);
1153         struct ivi_output *output = to_ivi_output(woutput);
1154
1155         ivi_layout_activate(output, app_id);
1156 }
1157
1158 static void
1159 shell_desktop_activate_app(struct wl_client *client,
1160                            struct wl_resource *shell_res,
1161                            const char *app_id, const char *data,
1162                            struct wl_resource *output_res)
1163 {
1164         struct weston_head *head = weston_head_from_resource(output_res);
1165         struct weston_output *woutput = weston_head_get_output(head);
1166         struct ivi_output *output = to_ivi_output(woutput);
1167
1168         ivi_layout_activate(output, app_id);
1169         shell_advertise_app_state(output->ivi, app_id,
1170                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1171 }
1172
1173 static void
1174 shell_deactivate_app(struct wl_client *client,
1175                    struct wl_resource *shell_res,
1176                    const char *app_id)
1177 {
1178         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1179         struct ivi_compositor *ivi = dclient->ivi;
1180
1181         ivi_layout_deactivate(ivi, app_id);
1182         shell_advertise_app_state(ivi, app_id,
1183                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1184 }
1185
1186 static const struct agl_shell_interface agl_shell_implementation = {
1187         .ready = shell_ready,
1188         .set_background = shell_set_background,
1189         .set_panel = shell_set_panel,
1190         .activate_app = shell_activate_app,
1191 };
1192
1193 static void
1194 shell_desktop_set_app_property(struct wl_client *client,
1195                                struct wl_resource *shell_res,
1196                                const char *app_id, uint32_t role,
1197                                int x, int y, int bx, int by,
1198                                int width, int height,
1199                                struct wl_resource *output_res)
1200 {
1201         struct weston_head *head = weston_head_from_resource(output_res);
1202         struct weston_output *woutput = weston_head_get_output(head);
1203         struct ivi_output *output = to_ivi_output(woutput);
1204
1205         switch (role) {
1206         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1207                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1208                                                       width, height, app_id);
1209                 break;
1210         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1211                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1212                 break;
1213         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1214         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1215                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1216                 break;
1217         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1218                 ivi_set_pending_desktop_surface_remote(output, app_id);
1219                 break;
1220         default:
1221                 break;
1222         }
1223 }
1224
1225 void
1226 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1227 {
1228         struct pending_popup *p_popup, *next_p_popup;
1229         struct pending_split *split_surf, *next_split_surf;
1230         struct pending_fullscreen *fs_surf, *next_fs_surf;
1231         struct pending_remote *remote_surf, *next_remote_surf;
1232
1233         wl_list_for_each_safe(p_popup, next_p_popup,
1234                               &ivi->popup_pending_apps, link)
1235                 ivi_remove_pending_desktop_surface_popup(p_popup);
1236
1237         wl_list_for_each_safe(split_surf, next_split_surf,
1238                               &ivi->split_pending_apps, link)
1239                 ivi_remove_pending_desktop_surface_split(split_surf);
1240
1241         wl_list_for_each_safe(fs_surf, next_fs_surf,
1242                               &ivi->fullscreen_pending_apps, link)
1243                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1244
1245         wl_list_for_each_safe(remote_surf, next_remote_surf,
1246                               &ivi->remote_pending_apps, link)
1247                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1248 }
1249
1250 static void
1251 shell_desktop_set_app_property_mode(struct wl_client *client,
1252                                     struct wl_resource *shell_res, uint32_t perm)
1253 {
1254         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1255         if (perm) {
1256                 dclient->ivi->keep_pending_surfaces = true;
1257         } else {
1258                 dclient->ivi->keep_pending_surfaces = false;
1259                 /* remove any previous pending surfaces */
1260                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1261         }
1262 }
1263
1264 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1265         .activate_app = shell_desktop_activate_app,
1266         .set_app_property = shell_desktop_set_app_property,
1267         .deactivate_app = shell_deactivate_app,
1268         .set_app_property_mode = shell_desktop_set_app_property_mode,
1269 };
1270
1271 static void
1272 unbind_agl_shell(struct wl_resource *resource)
1273 {
1274         struct ivi_compositor *ivi;
1275         struct ivi_output *output;
1276         struct ivi_surface *surf, *surf_tmp;
1277
1278         ivi = wl_resource_get_user_data(resource);
1279         wl_list_for_each(output, &ivi->outputs, link) {
1280                 /* reset the active surf if there's one present */
1281                 if (output->active) {
1282                         output->active->view->is_mapped = false;
1283                         output->active->view->surface->is_mapped = false;
1284
1285                         weston_layer_entry_remove(&output->active->view->layer_link);
1286                         output->active = NULL;
1287                 }
1288
1289                 insert_black_surface(output);
1290         }
1291
1292         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1293                 wl_list_remove(&surf->link);
1294                 wl_list_init(&surf->link);
1295         }
1296
1297         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1298                 wl_list_remove(&surf->link);
1299                 wl_list_init(&surf->link);
1300         }
1301
1302         wl_list_init(&ivi->surfaces);
1303         wl_list_init(&ivi->pending_surfaces);
1304
1305         ivi->shell_client.ready = false;
1306         ivi->shell_client.resource = NULL;
1307         ivi->shell_client.client = NULL;
1308 }
1309
1310 static void
1311 bind_agl_shell(struct wl_client *client,
1312                void *data, uint32_t version, uint32_t id)
1313 {
1314         struct ivi_compositor *ivi = data;
1315         struct wl_resource *resource;
1316         struct ivi_policy *policy;
1317         void *interface;
1318
1319         policy = ivi->policy;
1320         interface = (void *) &agl_shell_interface;
1321         if (policy && policy->api.shell_bind_interface &&
1322             !policy->api.shell_bind_interface(client, interface)) {
1323                 wl_client_post_implementation_error(client,
1324                                        "client not authorized to use agl_shell");
1325                 return;
1326         }
1327
1328         resource = wl_resource_create(client, &agl_shell_interface,
1329                                       1, id);
1330         if (!resource) {
1331                 wl_client_post_no_memory(client);
1332                 return;
1333         }
1334
1335 #if 0
1336         if (ivi->shell_client.client != client) {
1337                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1338                                        "client not authorized to use agl_shell");
1339                 return;
1340         }
1341 #endif
1342
1343         if (ivi->shell_client.resource) {
1344                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1345                                        "agl_shell has already been bound");
1346                 return;
1347         }
1348
1349         wl_resource_set_implementation(resource, &agl_shell_implementation,
1350                                        ivi, unbind_agl_shell);
1351         ivi->shell_client.resource = resource;
1352 }
1353
1354 static void
1355 unbind_agl_shell_desktop(struct wl_resource *resource)
1356 {
1357         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1358
1359         wl_list_remove(&dclient->link);
1360         free(dclient);
1361 }
1362
1363 static void
1364 bind_agl_shell_desktop(struct wl_client *client,
1365                        void *data, uint32_t version, uint32_t id)
1366 {
1367         struct ivi_compositor *ivi = data;
1368         struct wl_resource *resource;
1369         struct ivi_policy *policy;
1370         struct desktop_client *dclient;
1371         void *interface;
1372
1373         policy = ivi->policy;
1374         interface  = (void *) &agl_shell_desktop_interface;
1375         if (policy && policy->api.shell_bind_interface &&
1376             !policy->api.shell_bind_interface(client, interface)) {
1377                 wl_client_post_implementation_error(client,
1378                                 "client not authorized to use agl_shell_desktop");
1379                 return;
1380         }
1381
1382         dclient = zalloc(sizeof(*dclient));
1383         if (!dclient) {
1384                 wl_client_post_no_memory(client);
1385                 return;
1386         }
1387
1388         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1389                                       version, id);
1390         dclient->ivi = ivi;
1391         if (!resource) {
1392                 wl_client_post_no_memory(client);
1393                 return;
1394         }
1395
1396         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1397                                        dclient, unbind_agl_shell_desktop);
1398
1399         dclient->resource = resource;
1400         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1401
1402         /* advertise xdg surfaces */
1403         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1404 }
1405
1406 int
1407 ivi_shell_create_global(struct ivi_compositor *ivi)
1408 {
1409         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1410                                           &agl_shell_interface, 1,
1411                                           ivi, bind_agl_shell);
1412         if (!ivi->agl_shell) {
1413                 weston_log("Failed to create wayland global.\n");
1414                 return -1;
1415         }
1416
1417         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1418                                                   &agl_shell_desktop_interface, 2,
1419                                                   ivi, bind_agl_shell_desktop);
1420         if (!ivi->agl_shell_desktop) {
1421                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1422                 return -1;
1423         }
1424
1425         return 0;
1426 }