048cbeb30b598f489afe71f202ab8e4281e390db
[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         view = weston_view_create(surface);
880
881         assert(view || surface);
882
883         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
884         weston_surface_set_size(surface, woutput->width, woutput->height);
885         weston_view_set_position(view, woutput->x, woutput->y);
886
887         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
888         if (!output->fullscreen_view.fs) {
889                 weston_surface_destroy(surface);
890                 return;
891         }
892         output->fullscreen_view.fs->view = view;
893
894         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
895         wl_signal_add(&woutput->destroy_signal,
896                       &output->fullscreen_view.fs_destroy);
897 }
898
899 void
900 remove_black_surface(struct ivi_output *output)
901 {
902         struct weston_view *view;
903
904         if (!output &&
905             !output->fullscreen_view.fs &&
906             !output->fullscreen_view.fs->view) {
907                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
908                 return;
909         }
910
911         view = output->fullscreen_view.fs->view;
912         assert(view->is_mapped == true ||
913                view->surface->is_mapped == true);
914
915         view->is_mapped = false;
916         view->surface->is_mapped = false;
917
918         weston_layer_entry_remove(&view->layer_link);
919         weston_view_update_transform(view);
920
921         weston_view_damage_below(view);
922 }
923
924 void
925 insert_black_surface(struct ivi_output *output)
926 {
927         struct weston_view *view;
928
929         if ((!output &&
930             !output->fullscreen_view.fs &&
931             !output->fullscreen_view.fs->view) || !output->output) {
932                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
933                 return;
934         }
935
936         view = output->fullscreen_view.fs->view;
937         if (view->is_mapped || view->surface->is_mapped)
938                 return;
939
940         weston_layer_entry_remove(&view->layer_link);
941         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
942                                   &view->layer_link);
943
944         view->is_mapped = true;
945         view->surface->is_mapped = true;
946
947         weston_view_update_transform(view);
948         weston_view_damage_below(view);
949 }
950
951 static void
952 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
953 {
954         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
955         struct ivi_output *output;
956         struct ivi_surface *surface, *tmp;
957
958         /* Init already finished. Do nothing */
959         if (ivi->shell_client.ready)
960                 return;
961
962         ivi->shell_client.ready = true;
963
964         wl_list_for_each(output, &ivi->outputs, link) {
965                 if (output->background)
966                         remove_black_surface(output);
967                 ivi_layout_init(ivi, output);
968         }
969
970         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
971                 wl_list_remove(&surface->link);
972                 wl_list_init(&surface->link);
973                 ivi_check_pending_desktop_surface(surface);
974                 surface->checked_pending = true;
975         }
976 }
977
978 static void
979 shell_set_background(struct wl_client *client,
980                      struct wl_resource *shell_res,
981                      struct wl_resource *surface_res,
982                      struct wl_resource *output_res)
983 {
984         struct weston_head *head = weston_head_from_resource(output_res);
985         struct weston_output *woutput = weston_head_get_output(head);
986         struct ivi_output *output = to_ivi_output(woutput);
987         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
988         struct weston_desktop_surface *dsurface;
989         struct ivi_surface *surface;
990
991         dsurface = weston_surface_get_desktop_surface(wsurface);
992         if (!dsurface) {
993                 wl_resource_post_error(shell_res,
994                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
995                                        "surface must be a desktop surface");
996                 return;
997         }
998
999         surface = weston_desktop_surface_get_user_data(dsurface);
1000         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1001                 wl_resource_post_error(shell_res,
1002                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1003                                        "surface already has another ivi role");
1004                 return;
1005         }
1006
1007         if (output->background) {
1008                 wl_resource_post_error(shell_res,
1009                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1010                                        "output already has background");
1011                 return;
1012         }
1013
1014         surface->checked_pending = true;
1015         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1016         surface->bg.output = output;
1017         wl_list_remove(&surface->link);
1018         wl_list_init(&surface->link);
1019
1020         output->background = surface;
1021
1022         weston_desktop_surface_set_maximized(dsurface, true);
1023         weston_desktop_surface_set_size(dsurface,
1024                                         output->output->width,
1025                                         output->output->height);
1026 }
1027
1028 static void
1029 shell_set_panel(struct wl_client *client,
1030                 struct wl_resource *shell_res,
1031                 struct wl_resource *surface_res,
1032                 struct wl_resource *output_res,
1033                 uint32_t edge)
1034 {
1035         struct weston_head *head = weston_head_from_resource(output_res);
1036         struct weston_output *woutput = weston_head_get_output(head);
1037         struct ivi_output *output = to_ivi_output(woutput);
1038         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1039         struct weston_desktop_surface *dsurface;
1040         struct ivi_surface *surface;
1041         struct ivi_surface **member;
1042         int32_t width = 0, height = 0;
1043
1044         dsurface = weston_surface_get_desktop_surface(wsurface);
1045         if (!dsurface) {
1046                 wl_resource_post_error(shell_res,
1047                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1048                                        "surface must be a desktop surface");
1049                 return;
1050         }
1051
1052         surface = weston_desktop_surface_get_user_data(dsurface);
1053         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1054                 wl_resource_post_error(shell_res,
1055                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1056                                        "surface already has another ivi role");
1057                 return;
1058         }
1059
1060         switch (edge) {
1061         case AGL_SHELL_EDGE_TOP:
1062                 member = &output->top;
1063                 break;
1064         case AGL_SHELL_EDGE_BOTTOM:
1065                 member = &output->bottom;
1066                 break;
1067         case AGL_SHELL_EDGE_LEFT:
1068                 member = &output->left;
1069                 break;
1070         case AGL_SHELL_EDGE_RIGHT:
1071                 member = &output->right;
1072                 break;
1073         default:
1074                 wl_resource_post_error(shell_res,
1075                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1076                                        "invalid edge for panel");
1077                 return;
1078         }
1079
1080         if (*member) {
1081                 wl_resource_post_error(shell_res,
1082                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1083                                        "output already has panel on this edge");
1084                 return;
1085         }
1086
1087         surface->checked_pending = true;
1088         surface->role = IVI_SURFACE_ROLE_PANEL;
1089         surface->panel.output = output;
1090         surface->panel.edge = edge;
1091         wl_list_remove(&surface->link);
1092         wl_list_init(&surface->link);
1093
1094         *member = surface;
1095
1096         switch (surface->panel.edge) {
1097         case AGL_SHELL_EDGE_TOP:
1098         case AGL_SHELL_EDGE_BOTTOM:
1099                 width = woutput->width;
1100                 break;
1101         case AGL_SHELL_EDGE_LEFT:
1102         case AGL_SHELL_EDGE_RIGHT:
1103                 height = woutput->height;
1104                 break;
1105         }
1106
1107         weston_desktop_surface_set_size(dsurface, width, height);
1108 }
1109
1110 void
1111 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1112                           const char *data, uint32_t app_state)
1113 {
1114         struct desktop_client *dclient;
1115         uint32_t app_role;
1116         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1117         struct ivi_policy *policy = ivi->policy;
1118
1119         /* FIXME: should queue it here and see when binding agl-shell-desktop
1120          * if there are any to be sent */
1121         if (!surf)
1122                 return;
1123
1124         if (!app_id)
1125                 return;
1126
1127         if (policy && policy->api.surface_advertise_state_change &&
1128             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1129                 return;
1130         }
1131
1132         app_role = surf->role;
1133         if (app_role == IVI_SURFACE_ROLE_POPUP)
1134                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1135
1136         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1137                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1138                                                  data, app_state, app_role);
1139 }
1140
1141 static void
1142 shell_activate_app(struct wl_client *client,
1143                    struct wl_resource *shell_res,
1144                    const char *app_id,
1145                    struct wl_resource *output_res)
1146 {
1147         struct weston_head *head = weston_head_from_resource(output_res);
1148         struct weston_output *woutput = weston_head_get_output(head);
1149         struct ivi_output *output = to_ivi_output(woutput);
1150
1151         ivi_layout_activate(output, app_id);
1152 }
1153
1154 static void
1155 shell_desktop_activate_app(struct wl_client *client,
1156                            struct wl_resource *shell_res,
1157                            const char *app_id, const char *data,
1158                            struct wl_resource *output_res)
1159 {
1160         struct weston_head *head = weston_head_from_resource(output_res);
1161         struct weston_output *woutput = weston_head_get_output(head);
1162         struct ivi_output *output = to_ivi_output(woutput);
1163
1164         ivi_layout_activate(output, app_id);
1165         shell_advertise_app_state(output->ivi, app_id,
1166                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1167 }
1168
1169 static void
1170 shell_deactivate_app(struct wl_client *client,
1171                    struct wl_resource *shell_res,
1172                    const char *app_id)
1173 {
1174         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1175         struct ivi_compositor *ivi = dclient->ivi;
1176
1177         ivi_layout_deactivate(ivi, app_id);
1178         shell_advertise_app_state(ivi, app_id,
1179                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1180 }
1181
1182 static const struct agl_shell_interface agl_shell_implementation = {
1183         .ready = shell_ready,
1184         .set_background = shell_set_background,
1185         .set_panel = shell_set_panel,
1186         .activate_app = shell_activate_app,
1187 };
1188
1189 static void
1190 shell_desktop_set_app_property(struct wl_client *client,
1191                                struct wl_resource *shell_res,
1192                                const char *app_id, uint32_t role,
1193                                int x, int y, int bx, int by,
1194                                int width, int height,
1195                                struct wl_resource *output_res)
1196 {
1197         struct weston_head *head = weston_head_from_resource(output_res);
1198         struct weston_output *woutput = weston_head_get_output(head);
1199         struct ivi_output *output = to_ivi_output(woutput);
1200
1201         switch (role) {
1202         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1203                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1204                                                       width, height, app_id);
1205                 break;
1206         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1207                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1208                 break;
1209         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1210         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1211                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1212                 break;
1213         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1214                 ivi_set_pending_desktop_surface_remote(output, app_id);
1215                 break;
1216         default:
1217                 break;
1218         }
1219 }
1220
1221 void
1222 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1223 {
1224         struct pending_popup *p_popup, *next_p_popup;
1225         struct pending_split *split_surf, *next_split_surf;
1226         struct pending_fullscreen *fs_surf, *next_fs_surf;
1227         struct pending_remote *remote_surf, *next_remote_surf;
1228
1229         wl_list_for_each_safe(p_popup, next_p_popup,
1230                               &ivi->popup_pending_apps, link)
1231                 ivi_remove_pending_desktop_surface_popup(p_popup);
1232
1233         wl_list_for_each_safe(split_surf, next_split_surf,
1234                               &ivi->split_pending_apps, link)
1235                 ivi_remove_pending_desktop_surface_split(split_surf);
1236
1237         wl_list_for_each_safe(fs_surf, next_fs_surf,
1238                               &ivi->fullscreen_pending_apps, link)
1239                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1240
1241         wl_list_for_each_safe(remote_surf, next_remote_surf,
1242                               &ivi->remote_pending_apps, link)
1243                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1244 }
1245
1246 static void
1247 shell_desktop_set_app_property_mode(struct wl_client *client,
1248                                     struct wl_resource *shell_res, uint32_t perm)
1249 {
1250         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1251         if (perm) {
1252                 dclient->ivi->keep_pending_surfaces = true;
1253         } else {
1254                 dclient->ivi->keep_pending_surfaces = false;
1255                 /* remove any previous pending surfaces */
1256                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1257         }
1258 }
1259
1260 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1261         .activate_app = shell_desktop_activate_app,
1262         .set_app_property = shell_desktop_set_app_property,
1263         .deactivate_app = shell_deactivate_app,
1264         .set_app_property_mode = shell_desktop_set_app_property_mode,
1265 };
1266
1267 static void
1268 unbind_agl_shell(struct wl_resource *resource)
1269 {
1270         struct ivi_compositor *ivi;
1271         struct ivi_output *output;
1272         struct ivi_surface *surf, *surf_tmp;
1273
1274         ivi = wl_resource_get_user_data(resource);
1275         wl_list_for_each(output, &ivi->outputs, link) {
1276                 /* reset the active surf if there's one present */
1277                 if (output->active) {
1278                         output->active->view->is_mapped = false;
1279                         output->active->view->surface->is_mapped = false;
1280
1281                         weston_layer_entry_remove(&output->active->view->layer_link);
1282                         output->active = NULL;
1283                 }
1284
1285                 insert_black_surface(output);
1286         }
1287
1288         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1289                 wl_list_remove(&surf->link);
1290                 wl_list_init(&surf->link);
1291         }
1292
1293         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1294                 wl_list_remove(&surf->link);
1295                 wl_list_init(&surf->link);
1296         }
1297
1298         wl_list_init(&ivi->surfaces);
1299         wl_list_init(&ivi->pending_surfaces);
1300
1301         ivi->shell_client.ready = false;
1302         ivi->shell_client.resource = NULL;
1303         ivi->shell_client.client = NULL;
1304 }
1305
1306 static void
1307 bind_agl_shell(struct wl_client *client,
1308                void *data, uint32_t version, uint32_t id)
1309 {
1310         struct ivi_compositor *ivi = data;
1311         struct wl_resource *resource;
1312         struct ivi_policy *policy;
1313         void *interface;
1314
1315         policy = ivi->policy;
1316         interface = (void *) &agl_shell_interface;
1317         if (policy && policy->api.shell_bind_interface &&
1318             !policy->api.shell_bind_interface(client, interface)) {
1319                 wl_client_post_implementation_error(client,
1320                                        "client not authorized to use agl_shell");
1321                 return;
1322         }
1323
1324         resource = wl_resource_create(client, &agl_shell_interface,
1325                                       1, id);
1326         if (!resource) {
1327                 wl_client_post_no_memory(client);
1328                 return;
1329         }
1330
1331 #if 0
1332         if (ivi->shell_client.client != client) {
1333                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1334                                        "client not authorized to use agl_shell");
1335                 return;
1336         }
1337 #endif
1338
1339         if (ivi->shell_client.resource) {
1340                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1341                                        "agl_shell has already been bound");
1342                 return;
1343         }
1344
1345         wl_resource_set_implementation(resource, &agl_shell_implementation,
1346                                        ivi, unbind_agl_shell);
1347         ivi->shell_client.resource = resource;
1348 }
1349
1350 static void
1351 unbind_agl_shell_desktop(struct wl_resource *resource)
1352 {
1353         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1354
1355         wl_list_remove(&dclient->link);
1356         free(dclient);
1357 }
1358
1359 static void
1360 bind_agl_shell_desktop(struct wl_client *client,
1361                        void *data, uint32_t version, uint32_t id)
1362 {
1363         struct ivi_compositor *ivi = data;
1364         struct wl_resource *resource;
1365         struct ivi_policy *policy;
1366         struct desktop_client *dclient;
1367         void *interface;
1368
1369         policy = ivi->policy;
1370         interface  = (void *) &agl_shell_desktop_interface;
1371         if (policy && policy->api.shell_bind_interface &&
1372             !policy->api.shell_bind_interface(client, interface)) {
1373                 wl_client_post_implementation_error(client,
1374                                 "client not authorized to use agl_shell_desktop");
1375                 return;
1376         }
1377
1378         dclient = zalloc(sizeof(*dclient));
1379         if (!dclient) {
1380                 wl_client_post_no_memory(client);
1381                 return;
1382         }
1383
1384         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1385                                       version, id);
1386         dclient->ivi = ivi;
1387         if (!resource) {
1388                 wl_client_post_no_memory(client);
1389                 return;
1390         }
1391
1392         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1393                                        dclient, unbind_agl_shell_desktop);
1394
1395         dclient->resource = resource;
1396         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1397
1398         /* advertise xdg surfaces */
1399         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1400 }
1401
1402 int
1403 ivi_shell_create_global(struct ivi_compositor *ivi)
1404 {
1405         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1406                                           &agl_shell_interface, 1,
1407                                           ivi, bind_agl_shell);
1408         if (!ivi->agl_shell) {
1409                 weston_log("Failed to create wayland global.\n");
1410                 return -1;
1411         }
1412
1413         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1414                                                   &agl_shell_desktop_interface, 2,
1415                                                   ivi, bind_agl_shell_desktop);
1416         if (!ivi->agl_shell_desktop) {
1417                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1418                 return -1;
1419         }
1420
1421         return 0;
1422 }