dc857fc1d94138e3403266f79cb4e3cdd7e858b0
[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 static struct ivi_surface *
53 get_ivi_shell_surface(struct weston_surface *wsurface)
54 {
55         if (weston_surface_is_desktop_surface(wsurface)) {
56                 struct weston_desktop_surface *dsurface =
57                         weston_surface_get_desktop_surface(wsurface);
58                 return weston_desktop_surface_get_user_data(dsurface);
59         }
60
61         return NULL;
62 }
63
64 void
65 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
66                                            struct ivi_surface *surface)
67 {
68         struct desktop_client *dclient;
69         static bool display_adv = false;
70
71         if (surface->advertised_on_launch)
72                 return;
73
74         /* advertise to all desktop clients the new surface */
75         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
76                 const char *app_id =
77                         weston_desktop_surface_get_app_id(surface->dsurface);
78                 if (app_id == NULL) {
79                         if (!display_adv) {
80                                 weston_log("WARNING app_is is null, unable to advertise\n");
81                                 display_adv = true;
82                         }
83                         return;
84                 }
85                 agl_shell_desktop_send_application(dclient->resource, app_id);
86                 surface->advertised_on_launch = true;
87         }
88 }
89
90 void
91 ivi_set_desktop_surface(struct ivi_surface *surface)
92 {
93         struct ivi_compositor *ivi = surface->ivi;
94         assert(surface->role == IVI_SURFACE_ROLE_NONE);
95
96         surface->role = IVI_SURFACE_ROLE_DESKTOP;
97         wl_list_insert(&surface->ivi->surfaces, &surface->link);
98
99         agl_shell_desktop_advertise_application_id(ivi, surface);
100 }
101
102 static void
103 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
104 {
105         struct ivi_compositor *ivi = surface->ivi;
106         assert(surface->role == IVI_SURFACE_ROLE_NONE);
107
108         surface->role = IVI_SURFACE_ROLE_POPUP;
109         wl_list_insert(&ivi->surfaces, &surface->link);
110
111         agl_shell_desktop_advertise_application_id(ivi, surface);
112 }
113
114 static void
115 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
116 {
117         struct ivi_compositor *ivi = surface->ivi;
118         assert(surface->role == IVI_SURFACE_ROLE_NONE);
119
120         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
121         wl_list_insert(&ivi->surfaces, &surface->link);
122
123         agl_shell_desktop_advertise_application_id(ivi, surface);
124 }
125
126 #ifdef HAVE_WALTHAM
127 void
128 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
129 {
130         struct ivi_compositor *ivi = surface->ivi;
131         const struct weston_transmitter_api *api =
132                 ivi->waltham_transmitter_api;
133
134         if (!api)
135                 return;
136
137         if (surface->waltham_surface.transmitter_surface)
138                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
139 }
140
141 static void
142 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
143 {
144         struct ivi_compositor *ivi = surface->ivi;
145         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
146         struct weston_transmitter *transmitter;
147         struct weston_transmitter_remote *trans_remote;
148         struct weston_surface *weston_surface;
149         struct weston_output *woutput = surface->remote.output->output;
150         const char *app_id;
151
152         if (!api)
153                 return;
154
155         transmitter = api->transmitter_get(ivi->compositor);
156         if (!transmitter)
157                 return;
158
159         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
160         if (!trans_remote) {
161                 weston_log("Could not find a valie weston_transmitter_remote "
162                                 "that matches the output %s\n", woutput->name);
163                 return;
164         }
165
166         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
167         weston_surface =
168                 weston_desktop_surface_get_surface(surface->dsurface);
169
170         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
171
172         /* this will have the effect of informing the remote side to create a
173          * surface with the name app_id. W/ xdg-shell the following happens:
174          *
175          * compositor (server):
176          * surface_push_to_remote():
177          *      waltham-transmitter plug-in
178          *              -> wthp_ivi_app_id_surface_create()
179          *
180          * client -- on the receiver side:
181          *      -> wthp_ivi_app_id_surface_create()
182          *              -> wth_receiver_weston_main()
183          *                      -> wl_compositor_create_surface()
184          *                      -> xdg_wm_base_get_xdg_surface
185          *                      -> xdg_toplevel_set_app_id()
186          *                      -> gst_init()
187          *                      -> gst_parse_launch()
188          *
189          * wth_receiver_weston_main() will be invoked from the handler of
190          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
191          * the gstreamer pipeline as well.
192          */
193         surface->waltham_surface.transmitter_surface =
194             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
195 }
196
197 #else
198 void
199 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
200 {
201 }
202 static void
203 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
204 {
205 }
206 #endif
207
208 static void
209 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
210 {
211         struct ivi_compositor *ivi = surface->ivi;
212         struct weston_view *view;
213         struct ivi_output *output = surface->remote.output;
214
215         assert(surface->role == IVI_SURFACE_ROLE_NONE);
216
217         /* remote type are the same as desktop just that client can tell
218          * the compositor to start on another output */
219         surface->role = IVI_SURFACE_ROLE_REMOTE;
220
221         /* if thew black surface view is mapped on the mean we need
222          * to remove it in order to start showing the 'remote' surface
223          * just being added */
224         view = output->fullscreen_view.fs->view;
225         if (view->is_mapped || view->surface->is_mapped)
226                 remove_black_surface(output);
227
228         if (output->type == OUTPUT_WALTHAM)
229                 ivi_output_notify_waltham_plugin(surface);
230
231         wl_list_insert(&ivi->surfaces, &surface->link);
232 }
233
234
235 static void
236 ivi_set_desktop_surface_split(struct ivi_surface *surface)
237 {
238         struct ivi_compositor *ivi = surface->ivi;
239         assert(surface->role == IVI_SURFACE_ROLE_NONE);
240
241         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
242                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
243         else
244                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
245
246         wl_list_insert(&ivi->surfaces, &surface->link);
247
248         agl_shell_desktop_advertise_application_id(ivi, surface);
249 }
250
251 static struct pending_popup *
252 ivi_ensure_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
253                  int width, int height, const char *app_id)
254 {
255         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
256         size_t len_app_id = strlen(app_id);
257
258         if (!p_popup)
259                 return NULL;
260         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
261         if (!p_popup->app_id) {
262                 free(p_popup);
263                 return NULL;
264         }
265         memcpy(p_popup->app_id, app_id, len_app_id);
266         p_popup->ioutput = ioutput;
267         p_popup->x = x;
268         p_popup->y = y;
269
270         p_popup->bb.x = bx;
271         p_popup->bb.y = by;
272         p_popup->bb.width = width;
273         p_popup->bb.height = height;
274
275         return p_popup;
276 }
277
278 static void
279 ivi_update_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
280                  int width, int height, const char *app_id, struct pending_popup *p_popup)
281 {
282         size_t len_app_id = strlen(app_id);
283
284         wl_list_remove(&p_popup->link);
285         wl_list_init(&p_popup->link);
286
287         memset(p_popup->app_id, 0, strlen(app_id) + 1);
288         free(p_popup->app_id);
289
290         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
291         if (!p_popup->app_id)
292                 return;
293         memcpy(p_popup->app_id, app_id, len_app_id);
294
295         p_popup->ioutput = ioutput;
296         p_popup->x = x;
297         p_popup->y = y;
298
299         p_popup->bb.x = bx;
300         p_popup->bb.y = by;
301         p_popup->bb.width = width;
302         p_popup->bb.height = height;
303 }
304
305 static struct pending_fullscreen *
306 ivi_ensure_fullscreen(struct ivi_output *ioutput, const char *app_id)
307 {
308         struct pending_fullscreen *p_fullscreen = zalloc(sizeof(*p_fullscreen));
309         size_t len_app_id = strlen(app_id);
310
311         if (!p_fullscreen)
312                 return NULL;
313         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
314         if (!p_fullscreen->app_id) {
315                 free(p_fullscreen);
316                 return NULL;
317         }
318         memcpy(p_fullscreen->app_id, app_id, len_app_id);
319
320         p_fullscreen->ioutput = ioutput;
321         return p_fullscreen;
322 }
323
324 static void
325 ivi_update_fullscreen(struct ivi_output *ioutput, const char *app_id,
326                       struct pending_fullscreen *p_fullscreen)
327 {
328         size_t len_app_id = strlen(app_id);
329
330         wl_list_remove(&p_fullscreen->link);
331         wl_list_init(&p_fullscreen->link);
332
333         memset(p_fullscreen->app_id, 0, strlen(app_id) + 1);
334         free(p_fullscreen->app_id);
335
336         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
337         if (!p_fullscreen->app_id)
338                 return;
339         memcpy(p_fullscreen->app_id, app_id, len_app_id);
340
341         p_fullscreen->ioutput = ioutput;
342 }
343
344 static struct pending_remote *
345 ivi_ensure_remote(struct ivi_output *ioutput, const char *app_id)
346 {
347         struct pending_remote *p_remote = zalloc(sizeof(*p_remote));
348         size_t len_app_id = strlen(app_id);
349
350         if (!p_remote)
351                 return NULL;
352         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
353         if (!p_remote->app_id) {
354                 free(p_remote);
355                 return NULL;
356         }
357         memcpy(p_remote->app_id, app_id, len_app_id);
358
359         p_remote->ioutput = ioutput;
360         return p_remote;
361 }
362
363 static void
364 ivi_update_remote(struct ivi_output *ioutput, const char *app_id,
365                       struct pending_remote *p_remote)
366 {
367         size_t len_app_id = strlen(app_id);
368
369         wl_list_remove(&p_remote->link);
370         wl_list_init(&p_remote->link);
371
372         memset(p_remote->app_id, 0, strlen(app_id) + 1);
373         free(p_remote->app_id);
374
375         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
376         if (!p_remote->app_id)
377                 return;
378         memcpy(p_remote->app_id, app_id, len_app_id);
379
380         p_remote->ioutput = ioutput;
381 }
382
383 static void
384 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput, int x, int y, int bx,
385                                       int by, int width, int height, const char *app_id)
386 {
387         struct ivi_compositor *ivi = ioutput->ivi;
388         struct pending_popup *p_popup = NULL;
389         struct pending_popup *popup;
390
391         wl_list_for_each(popup, &ivi->popup_pending_apps, link)
392                 if (!strcmp(app_id, popup->app_id))
393                         p_popup = popup;
394
395         if (!p_popup)
396                 p_popup = ivi_ensure_popup(ioutput, x, y, bx, by, width, height, app_id);
397         else
398                 ivi_update_popup(ioutput, x, y, bx, by, width, height, app_id, p_popup);
399         if (!p_popup)
400                 return;
401
402         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
403 }
404
405 static void
406 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
407                                            const char *app_id)
408 {
409         struct ivi_compositor *ivi = ioutput->ivi;
410         struct pending_fullscreen *p_fullscreen = NULL;
411         struct pending_fullscreen *fullscreen;
412
413         wl_list_for_each(fullscreen, &ivi->fullscreen_pending_apps, link)
414                 if (!strcmp(app_id, fullscreen->app_id))
415                         p_fullscreen = fullscreen;
416
417         if (!p_fullscreen)
418                 p_fullscreen = ivi_ensure_fullscreen(ioutput, app_id);
419         else
420                 ivi_update_fullscreen(ioutput, app_id, p_fullscreen);
421
422         if (!p_fullscreen)
423                 return;
424         wl_list_insert(&ivi->fullscreen_pending_apps, &p_fullscreen->link);
425 }
426
427 static void
428 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
429                                       const char *app_id, uint32_t orientation)
430 {
431         struct ivi_compositor *ivi = ioutput->ivi;
432         struct ivi_surface *surf;
433         size_t len_app_id = strlen(app_id);
434         struct pending_split *split;
435
436         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
437             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
438                 return;
439
440         /* more than one is un-supported, do note we need to do
441          * conversion for surface roles instead of using the protocol ones */
442         wl_list_for_each(surf, &ivi->surfaces, link)
443                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
444                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
445                         return;
446
447         split = zalloc(sizeof(*split));
448         if (!split)
449                 return;
450         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
451         if (!split->app_id) {
452                 free(split);
453                 return;
454         }
455         memcpy(split->app_id, app_id, len_app_id);
456
457         split->ioutput = ioutput;
458         split->orientation = orientation;
459
460         wl_list_insert(&ivi->split_pending_apps, &split->link);
461 }
462
463 void
464 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
465                 const char *app_id)
466 {
467         struct ivi_compositor *ivi = ioutput->ivi;
468         struct pending_remote *remote;
469         struct pending_remote *p_remote = NULL;
470
471         wl_list_for_each(remote, &ivi->remote_pending_apps, link)
472                 if (!strcmp(app_id, remote->app_id))
473                         p_remote = remote;
474
475         if (!p_remote)
476                 p_remote = ivi_ensure_remote(ioutput, app_id);
477         else
478                 ivi_update_remote(ioutput, app_id, p_remote);
479         if (!p_remote)
480                 return;
481
482         wl_list_insert(&ivi->remote_pending_apps, &remote->link);
483 }
484
485
486 static void
487 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
488 {
489         free(split->app_id);
490         wl_list_remove(&split->link);
491         free(split);
492 }
493
494 static void
495 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
496 {
497         free(fs->app_id);
498         wl_list_remove(&fs->link);
499         free(fs);
500 }
501
502 static void
503 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
504 {
505         free(p_popup->app_id);
506         wl_list_remove(&p_popup->link);
507         free(p_popup);
508 }
509
510 static void
511 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
512 {
513         free(remote->app_id);
514         wl_list_remove(&remote->link);
515         free(remote);
516 }
517
518 static bool
519 ivi_compositor_keep_pending_surfaces(struct ivi_surface *surface)
520 {
521         return surface->ivi->keep_pending_surfaces;
522 }
523
524 static bool
525 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
526 {
527         struct ivi_compositor *ivi = surface->ivi;
528         struct pending_popup *p_popup, *next_p_popup;
529         const char *_app_id =
530                         weston_desktop_surface_get_app_id(surface->dsurface);
531
532         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
533                 return false;
534
535         wl_list_for_each_safe(p_popup, next_p_popup,
536                               &ivi->popup_pending_apps, link) {
537                 if (!strcmp(_app_id, p_popup->app_id)) {
538                         surface->popup.output = p_popup->ioutput;
539                         surface->popup.x = p_popup->x;
540                         surface->popup.y = p_popup->y;
541
542                         surface->popup.bb.x = p_popup->bb.x;
543                         surface->popup.bb.y = p_popup->bb.y;
544                         surface->popup.bb.width = p_popup->bb.width;
545                         surface->popup.bb.height = p_popup->bb.height;
546
547                         if (!ivi_compositor_keep_pending_surfaces(surface))
548                                 ivi_remove_pending_desktop_surface_popup(p_popup);
549                         return true;
550                 }
551         }
552
553         return false;
554 }
555
556 static bool
557 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
558 {
559         struct pending_split *split_surf, *next_split_surf;
560         struct ivi_compositor *ivi = surface->ivi;
561         const char *_app_id =
562                         weston_desktop_surface_get_app_id(surface->dsurface);
563
564         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
565                 return false;
566
567         wl_list_for_each_safe(split_surf, next_split_surf,
568                               &ivi->split_pending_apps, link) {
569                 if (!strcmp(_app_id, split_surf->app_id)) {
570                         surface->split.output = split_surf->ioutput;
571                         surface->split.orientation = split_surf->orientation;
572                         if (!ivi_compositor_keep_pending_surfaces(surface))
573                                 ivi_remove_pending_desktop_surface_split(split_surf);
574                         return true;
575                 }
576         }
577
578         return false;
579 }
580
581 static bool
582 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
583 {
584         struct pending_fullscreen *fs_surf, *next_fs_surf;
585         struct ivi_compositor *ivi = surface->ivi;
586         const char *_app_id =
587                         weston_desktop_surface_get_app_id(surface->dsurface);
588
589         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
590                 return false;
591
592         wl_list_for_each_safe(fs_surf, next_fs_surf,
593                               &ivi->fullscreen_pending_apps, link) {
594                 if (!strcmp(_app_id, fs_surf->app_id)) {
595                         surface->fullscreen.output = fs_surf->ioutput;
596                         if (!ivi_compositor_keep_pending_surfaces(surface))
597                                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
598                         return true;
599                 }
600         }
601
602         return false;
603 }
604
605 static bool
606 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
607 {
608         struct pending_remote *remote_surf, *next_remote_surf;
609         struct ivi_compositor *ivi = surface->ivi;
610         const char *_app_id =
611                 weston_desktop_surface_get_app_id(surface->dsurface);
612
613         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
614                 return false;
615
616         wl_list_for_each_safe(remote_surf, next_remote_surf,
617                               &ivi->remote_pending_apps, link) {
618                 if (!strcmp(_app_id, remote_surf->app_id)) {
619                         surface->remote.output = remote_surf->ioutput;
620                         if (!ivi_compositor_keep_pending_surfaces(surface))
621                                 ivi_remove_pending_desktop_surface_remote(remote_surf);
622                         return true;
623                 }
624         }
625
626         return false;
627 }
628 void
629 ivi_check_pending_surface_desktop(struct ivi_surface *surface,
630                                   enum ivi_surface_role *role)
631 {
632         struct ivi_compositor *ivi = surface->ivi;
633         struct wl_list *role_pending_list;
634         struct pending_popup *p_popup;
635         struct pending_split *p_split;
636         struct pending_fullscreen *p_fullscreen;
637         struct pending_remote *p_remote;
638         const char *app_id =
639                 weston_desktop_surface_get_app_id(surface->dsurface);
640
641         role_pending_list = &ivi->popup_pending_apps;
642         wl_list_for_each(p_popup, role_pending_list, link) {
643                 if (!strcmp(app_id, p_popup->app_id)) {
644                         *role = IVI_SURFACE_ROLE_POPUP;
645                         return;
646                 }
647         }
648
649         role_pending_list = &ivi->split_pending_apps;
650         wl_list_for_each(p_split, role_pending_list, link) {
651                 if (!strcmp(app_id, p_split->app_id)) {
652                         *role = IVI_SURFACE_ROLE_SPLIT_V;
653                         return;
654                 }
655         }
656
657         role_pending_list = &ivi->fullscreen_pending_apps;
658         wl_list_for_each(p_fullscreen, role_pending_list, link) {
659                 if (!strcmp(app_id, p_fullscreen->app_id)) {
660                         *role = IVI_SURFACE_ROLE_FULLSCREEN;
661                         return;
662                 }
663         }
664
665         role_pending_list = &ivi->remote_pending_apps;
666         wl_list_for_each(p_remote, role_pending_list, link) {
667                 if (!strcmp(app_id, p_remote->app_id)) {
668                         *role = IVI_SURFACE_ROLE_REMOTE;
669                         return;
670                 }
671         }
672
673         /* else, we are a regular desktop surface */
674         *role = IVI_SURFACE_ROLE_DESKTOP;
675 }
676
677
678 void
679 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
680 {
681         bool ret = false;
682
683         ret = ivi_check_pending_desktop_surface_popup(surface);
684         if (ret) {
685                 ivi_set_desktop_surface_popup(surface);
686                 ivi_layout_popup_committed(surface);
687                 return;
688         }
689
690         ret = ivi_check_pending_desktop_surface_split(surface);
691         if (ret) {
692                 ivi_set_desktop_surface_split(surface);
693                 ivi_layout_split_committed(surface);
694                 return;
695         }
696
697         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
698         if (ret) {
699                 ivi_set_desktop_surface_fullscreen(surface);
700                 ivi_layout_fullscreen_committed(surface);
701                 return;
702         }
703
704         ret = ivi_check_pending_desktop_surface_remote(surface);
705         if (ret) {
706                 ivi_set_desktop_surface_remote(surface);
707                 ivi_layout_desktop_committed(surface);
708                 return;
709         }
710
711         /* if we end up here means we have a regular desktop app and
712          * try to activate it */
713         ivi_set_desktop_surface(surface);
714         ivi_layout_desktop_committed(surface);
715 }
716
717 void
718 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
719 {
720         struct ivi_output *out;
721
722         wl_list_for_each(out, &ivi->outputs, link) {
723                 create_black_surface_view(out);
724                 insert_black_surface(out);
725         }
726 }
727
728 int
729 ivi_shell_init(struct ivi_compositor *ivi)
730 {
731         weston_layer_init(&ivi->hidden, ivi->compositor);
732         weston_layer_init(&ivi->background, ivi->compositor);
733         weston_layer_init(&ivi->normal, ivi->compositor);
734         weston_layer_init(&ivi->panel, ivi->compositor);
735         weston_layer_init(&ivi->popup, ivi->compositor);
736         weston_layer_init(&ivi->fullscreen, ivi->compositor);
737
738         weston_layer_set_position(&ivi->hidden,
739                                   WESTON_LAYER_POSITION_HIDDEN);
740         weston_layer_set_position(&ivi->background,
741                                   WESTON_LAYER_POSITION_BACKGROUND);
742         weston_layer_set_position(&ivi->normal,
743                                   WESTON_LAYER_POSITION_NORMAL);
744         weston_layer_set_position(&ivi->panel,
745                                   WESTON_LAYER_POSITION_UI);
746         weston_layer_set_position(&ivi->popup,
747                                   WESTON_LAYER_POSITION_TOP_UI);
748         weston_layer_set_position(&ivi->fullscreen,
749                                   WESTON_LAYER_POSITION_FULLSCREEN);
750
751         return 0;
752 }
753
754
755 static void
756 ivi_surf_destroy(struct ivi_surface *surf)
757 {
758         struct weston_surface *wsurface = surf->view->surface;
759
760         if (weston_surface_is_mapped(wsurface)) {
761                 weston_desktop_surface_unlink_view(surf->view);
762                 weston_view_destroy(surf->view);
763         }
764
765         wl_list_remove(&surf->link);
766         free(surf);
767 }
768
769 static void
770 ivi_shell_destroy_views_on_layer(struct weston_layer *layer)
771 {
772         struct weston_view *view, *view_next;
773
774         wl_list_for_each_safe(view, view_next, &layer->view_list.link, layer_link.link) {
775                 struct ivi_surface *ivi_surf =
776                         get_ivi_shell_surface(view->surface);
777                 if (ivi_surf)
778                         ivi_surf_destroy(ivi_surf);
779         }
780 }
781
782 void
783 ivi_shell_finalize(struct ivi_compositor *ivi)
784 {
785         ivi_shell_destroy_views_on_layer(&ivi->hidden);
786         weston_layer_fini(&ivi->hidden);
787
788         ivi_shell_destroy_views_on_layer(&ivi->background);
789         weston_layer_fini(&ivi->background);
790
791         ivi_shell_destroy_views_on_layer(&ivi->normal);
792         weston_layer_fini(&ivi->normal);
793
794         ivi_shell_destroy_views_on_layer(&ivi->panel);
795         weston_layer_fini(&ivi->panel);
796
797         ivi_shell_destroy_views_on_layer(&ivi->popup);
798         weston_layer_fini(&ivi->popup);
799 }
800
801 static void
802 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
803 {
804         struct ivi_surface *surface;
805
806         wl_list_for_each(surface, &ivi->surfaces, link) {
807                 const char *app_id =
808                         weston_desktop_surface_get_app_id(surface->dsurface);
809                 if (app_id == NULL) {
810                         weston_log("WARNING app_is is null, unable to advertise\n");
811                         return;
812                 }
813                 agl_shell_desktop_send_application(resource, app_id);
814         }
815 }
816
817 static void
818 client_exec(const char *command, int fd)
819 {
820         sigset_t sig;
821         char s[32];
822
823         /* Don't give the child our signal mask */
824         sigfillset(&sig);
825         sigprocmask(SIG_UNBLOCK, &sig, NULL);
826
827         /* Launch clients as the user; don't give them the wrong euid */
828         if (seteuid(getuid()) == -1) {
829                 weston_log("seteuid failed: %s\n", strerror(errno));
830                 return;
831         }
832
833         /* Duplicate fd to unset the CLOEXEC flag. We don't need to worry about
834          * clobbering fd, as we'll exit/exec either way.
835          */
836         fd = dup(fd);
837         if (fd == -1) {
838                 weston_log("dup failed: %s\n", strerror(errno));
839                 return;
840         }
841
842         snprintf(s, sizeof s, "%d", fd);
843         setenv("WAYLAND_SOCKET", s, 1);
844
845         execl("/bin/sh", "/bin/sh", "-c", command, NULL);
846         weston_log("executing '%s' failed: %s", command, strerror(errno));
847 }
848
849 static struct wl_client *
850 launch_shell_client(struct ivi_compositor *ivi, const char *command)
851 {
852         struct wl_client *client;
853         int sock[2];
854         pid_t pid;
855
856         weston_log("launching' %s'\n", command);
857
858         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sock) < 0) {
859                 weston_log("socketpair failed while launching '%s': %s\n",
860                            command, strerror(errno));
861                 return NULL;
862         }
863
864         pid = fork();
865         if (pid == -1) {
866                 close(sock[0]);
867                 close(sock[1]);
868                 weston_log("fork failed while launching '%s': %s\n",
869                            command, strerror(errno));
870                 return NULL;
871         }
872
873         if (pid == 0) {
874                 client_exec(command, sock[1]);
875                 _Exit(EXIT_FAILURE);
876         }
877         close(sock[1]);
878
879         client = wl_client_create(ivi->compositor->wl_display, sock[0]);
880         if (!client) {
881                 close(sock[0]);
882                 weston_log("Failed to create wayland client for '%s'",
883                            command);
884                 return NULL;
885         }
886
887         return client;
888 }
889
890 int
891 ivi_launch_shell_client(struct ivi_compositor *ivi)
892 {
893         struct weston_config_section *section;
894         char *command = NULL;
895
896         section = weston_config_get_section(ivi->config, "shell-client",
897                                             NULL, NULL);
898         if (section)
899                 weston_config_section_get_string(section, "command",
900                                                  &command, NULL);
901
902         if (!command)
903                 return -1;
904
905         ivi->shell_client.client = launch_shell_client(ivi, command);
906         if (!ivi->shell_client.client)
907                 return -1;
908
909         return 0;
910 }
911
912 static void
913 destroy_black_view(struct wl_listener *listener, void *data)
914 {
915         struct fullscreen_view *fs =
916                 wl_container_of(listener, fs, fs_destroy);
917
918
919         if (fs && fs->fs) {
920                 wl_list_remove(&fs->fs_destroy.link);
921                 free(fs->fs);
922         }
923 }
924
925
926 static void
927 create_black_surface_view(struct ivi_output *output)
928 {
929         struct weston_surface *surface = NULL;
930         struct weston_view *view;
931         struct ivi_compositor *ivi = output->ivi;
932         struct weston_compositor *wc= ivi->compositor;
933         struct weston_output *woutput = output->output;
934
935         if (!woutput)
936                 return;
937
938         surface = weston_surface_create(wc);
939         if (!surface)
940                 return;
941         view = weston_view_create(surface);
942         if (!view) {
943                 weston_surface_destroy(surface);
944                 return;
945         }
946
947         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
948         weston_surface_set_size(surface, woutput->width, woutput->height);
949         weston_view_set_position(view, woutput->x, woutput->y);
950
951         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
952         if (!output->fullscreen_view.fs) {
953                 weston_surface_destroy(surface);
954                 return;
955         }
956         output->fullscreen_view.fs->view = view;
957
958         output->fullscreen_view.fs_destroy.notify = destroy_black_view;
959         wl_signal_add(&woutput->destroy_signal,
960                       &output->fullscreen_view.fs_destroy);
961 }
962
963 void
964 remove_black_surface(struct ivi_output *output)
965 {
966         struct weston_view *view;
967
968         if (!output &&
969             !output->fullscreen_view.fs &&
970             !output->fullscreen_view.fs->view) {
971                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
972                 return;
973         }
974
975         view = output->fullscreen_view.fs->view;
976         assert(view->is_mapped == true ||
977                view->surface->is_mapped == true);
978
979         view->is_mapped = false;
980         view->surface->is_mapped = false;
981
982         weston_layer_entry_remove(&view->layer_link);
983         weston_view_update_transform(view);
984
985         weston_view_damage_below(view);
986 }
987
988 void
989 insert_black_surface(struct ivi_output *output)
990 {
991         struct weston_view *view;
992
993         if ((!output &&
994             !output->fullscreen_view.fs &&
995             !output->fullscreen_view.fs->view) || !output->output) {
996                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
997                 return;
998         }
999
1000         view = output->fullscreen_view.fs->view;
1001         if (view->is_mapped || view->surface->is_mapped)
1002                 return;
1003
1004         weston_layer_entry_remove(&view->layer_link);
1005         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
1006                                   &view->layer_link);
1007
1008         view->is_mapped = true;
1009         view->surface->is_mapped = true;
1010
1011         weston_view_update_transform(view);
1012         weston_view_damage_below(view);
1013 }
1014
1015 static void
1016 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
1017 {
1018         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1019         struct ivi_output *output;
1020         struct ivi_surface *surface, *tmp;
1021
1022         /* Init already finished. Do nothing */
1023         if (ivi->shell_client.ready)
1024                 return;
1025
1026         ivi->shell_client.ready = true;
1027
1028         wl_list_for_each(output, &ivi->outputs, link) {
1029                 if (output->background)
1030                         remove_black_surface(output);
1031                 ivi_layout_init(ivi, output);
1032         }
1033
1034         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
1035                 wl_list_remove(&surface->link);
1036                 wl_list_init(&surface->link);
1037                 ivi_check_pending_desktop_surface(surface);
1038                 surface->checked_pending = true;
1039         }
1040 }
1041
1042 static void
1043 shell_set_background(struct wl_client *client,
1044                      struct wl_resource *shell_res,
1045                      struct wl_resource *surface_res,
1046                      struct wl_resource *output_res)
1047 {
1048         struct weston_head *head = weston_head_from_resource(output_res);
1049         struct weston_output *woutput = weston_head_get_output(head);
1050         struct ivi_output *output = to_ivi_output(woutput);
1051         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1052         struct weston_desktop_surface *dsurface;
1053         struct ivi_surface *surface;
1054
1055         dsurface = weston_surface_get_desktop_surface(wsurface);
1056         if (!dsurface) {
1057                 wl_resource_post_error(shell_res,
1058                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1059                                        "surface must be a desktop surface");
1060                 return;
1061         }
1062
1063         surface = weston_desktop_surface_get_user_data(dsurface);
1064         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1065                 wl_resource_post_error(shell_res,
1066                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1067                                        "surface already has another ivi role");
1068                 return;
1069         }
1070
1071         if (output->background) {
1072                 wl_resource_post_error(shell_res,
1073                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1074                                        "output already has background");
1075                 return;
1076         }
1077
1078         surface->checked_pending = true;
1079         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1080         surface->bg.output = output;
1081         wl_list_remove(&surface->link);
1082         wl_list_init(&surface->link);
1083
1084         output->background = surface;
1085
1086         weston_desktop_surface_set_maximized(dsurface, true);
1087         weston_desktop_surface_set_size(dsurface,
1088                                         output->output->width,
1089                                         output->output->height);
1090 }
1091
1092 static void
1093 shell_set_panel(struct wl_client *client,
1094                 struct wl_resource *shell_res,
1095                 struct wl_resource *surface_res,
1096                 struct wl_resource *output_res,
1097                 uint32_t edge)
1098 {
1099         struct weston_head *head = weston_head_from_resource(output_res);
1100         struct weston_output *woutput = weston_head_get_output(head);
1101         struct ivi_output *output = to_ivi_output(woutput);
1102         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1103         struct weston_desktop_surface *dsurface;
1104         struct ivi_surface *surface;
1105         struct ivi_surface **member;
1106         int32_t width = 0, height = 0;
1107
1108         dsurface = weston_surface_get_desktop_surface(wsurface);
1109         if (!dsurface) {
1110                 wl_resource_post_error(shell_res,
1111                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1112                                        "surface must be a desktop surface");
1113                 return;
1114         }
1115
1116         surface = weston_desktop_surface_get_user_data(dsurface);
1117         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1118                 wl_resource_post_error(shell_res,
1119                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1120                                        "surface already has another ivi role");
1121                 return;
1122         }
1123
1124         switch (edge) {
1125         case AGL_SHELL_EDGE_TOP:
1126                 member = &output->top;
1127                 break;
1128         case AGL_SHELL_EDGE_BOTTOM:
1129                 member = &output->bottom;
1130                 break;
1131         case AGL_SHELL_EDGE_LEFT:
1132                 member = &output->left;
1133                 break;
1134         case AGL_SHELL_EDGE_RIGHT:
1135                 member = &output->right;
1136                 break;
1137         default:
1138                 wl_resource_post_error(shell_res,
1139                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1140                                        "invalid edge for panel");
1141                 return;
1142         }
1143
1144         if (*member) {
1145                 wl_resource_post_error(shell_res,
1146                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1147                                        "output already has panel on this edge");
1148                 return;
1149         }
1150
1151         surface->checked_pending = true;
1152         surface->role = IVI_SURFACE_ROLE_PANEL;
1153         surface->panel.output = output;
1154         surface->panel.edge = edge;
1155         wl_list_remove(&surface->link);
1156         wl_list_init(&surface->link);
1157
1158         *member = surface;
1159
1160         switch (surface->panel.edge) {
1161         case AGL_SHELL_EDGE_TOP:
1162         case AGL_SHELL_EDGE_BOTTOM:
1163                 width = woutput->width;
1164                 break;
1165         case AGL_SHELL_EDGE_LEFT:
1166         case AGL_SHELL_EDGE_RIGHT:
1167                 height = woutput->height;
1168                 break;
1169         }
1170
1171         weston_desktop_surface_set_size(dsurface, width, height);
1172 }
1173
1174 void
1175 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1176                           const char *data, uint32_t app_state)
1177 {
1178         struct desktop_client *dclient;
1179         uint32_t app_role;
1180         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1181         struct ivi_policy *policy = ivi->policy;
1182
1183         /* FIXME: should queue it here and see when binding agl-shell-desktop
1184          * if there are any to be sent */
1185         if (!surf)
1186                 return;
1187
1188         if (!app_id)
1189                 return;
1190
1191         if (policy && policy->api.surface_advertise_state_change &&
1192             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1193                 return;
1194         }
1195
1196         app_role = surf->role;
1197         if (app_role == IVI_SURFACE_ROLE_POPUP)
1198                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1199
1200         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1201                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1202                                                  data, app_state, app_role);
1203 }
1204
1205 static void
1206 shell_activate_app(struct wl_client *client,
1207                    struct wl_resource *shell_res,
1208                    const char *app_id,
1209                    struct wl_resource *output_res)
1210 {
1211         struct weston_head *head = weston_head_from_resource(output_res);
1212         struct weston_output *woutput = weston_head_get_output(head);
1213         struct ivi_output *output = to_ivi_output(woutput);
1214
1215         ivi_layout_activate(output, app_id);
1216 }
1217
1218 static void
1219 shell_desktop_activate_app(struct wl_client *client,
1220                            struct wl_resource *shell_res,
1221                            const char *app_id, const char *data,
1222                            struct wl_resource *output_res)
1223 {
1224         struct weston_head *head = weston_head_from_resource(output_res);
1225         struct weston_output *woutput = weston_head_get_output(head);
1226         struct ivi_output *output = to_ivi_output(woutput);
1227
1228         ivi_layout_activate(output, app_id);
1229         shell_advertise_app_state(output->ivi, app_id,
1230                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1231 }
1232
1233 static void
1234 shell_deactivate_app(struct wl_client *client,
1235                    struct wl_resource *shell_res,
1236                    const char *app_id)
1237 {
1238         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1239         struct ivi_compositor *ivi = dclient->ivi;
1240
1241         ivi_layout_deactivate(ivi, app_id);
1242         shell_advertise_app_state(ivi, app_id,
1243                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1244 }
1245
1246 static const struct agl_shell_interface agl_shell_implementation = {
1247         .ready = shell_ready,
1248         .set_background = shell_set_background,
1249         .set_panel = shell_set_panel,
1250         .activate_app = shell_activate_app,
1251 };
1252
1253 static void
1254 shell_desktop_set_app_property(struct wl_client *client,
1255                                struct wl_resource *shell_res,
1256                                const char *app_id, uint32_t role,
1257                                int x, int y, int bx, int by,
1258                                int width, int height,
1259                                struct wl_resource *output_res)
1260 {
1261         struct weston_head *head = weston_head_from_resource(output_res);
1262         struct weston_output *woutput = weston_head_get_output(head);
1263         struct ivi_output *output = to_ivi_output(woutput);
1264
1265         switch (role) {
1266         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1267                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1268                                                       width, height, app_id);
1269                 break;
1270         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1271                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1272                 break;
1273         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1274         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1275                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1276                 break;
1277         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1278                 ivi_set_pending_desktop_surface_remote(output, app_id);
1279                 break;
1280         default:
1281                 break;
1282         }
1283 }
1284
1285 void
1286 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1287 {
1288         struct pending_popup *p_popup, *next_p_popup;
1289         struct pending_split *split_surf, *next_split_surf;
1290         struct pending_fullscreen *fs_surf, *next_fs_surf;
1291         struct pending_remote *remote_surf, *next_remote_surf;
1292
1293         wl_list_for_each_safe(p_popup, next_p_popup,
1294                               &ivi->popup_pending_apps, link)
1295                 ivi_remove_pending_desktop_surface_popup(p_popup);
1296
1297         wl_list_for_each_safe(split_surf, next_split_surf,
1298                               &ivi->split_pending_apps, link)
1299                 ivi_remove_pending_desktop_surface_split(split_surf);
1300
1301         wl_list_for_each_safe(fs_surf, next_fs_surf,
1302                               &ivi->fullscreen_pending_apps, link)
1303                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1304
1305         wl_list_for_each_safe(remote_surf, next_remote_surf,
1306                               &ivi->remote_pending_apps, link)
1307                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1308 }
1309
1310 static void
1311 shell_desktop_set_app_property_mode(struct wl_client *client,
1312                                     struct wl_resource *shell_res, uint32_t perm)
1313 {
1314         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1315         if (perm) {
1316                 dclient->ivi->keep_pending_surfaces = true;
1317         } else {
1318                 dclient->ivi->keep_pending_surfaces = false;
1319                 /* remove any previous pending surfaces */
1320                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1321         }
1322 }
1323
1324 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1325         .activate_app = shell_desktop_activate_app,
1326         .set_app_property = shell_desktop_set_app_property,
1327         .deactivate_app = shell_deactivate_app,
1328         .set_app_property_mode = shell_desktop_set_app_property_mode,
1329 };
1330
1331 static void
1332 unbind_agl_shell(struct wl_resource *resource)
1333 {
1334         struct ivi_compositor *ivi;
1335         struct ivi_output *output;
1336         struct ivi_surface *surf, *surf_tmp;
1337
1338         ivi = wl_resource_get_user_data(resource);
1339         wl_list_for_each(output, &ivi->outputs, link) {
1340                 /* reset the active surf if there's one present */
1341                 if (output->active) {
1342                         output->active->view->is_mapped = false;
1343                         output->active->view->surface->is_mapped = false;
1344
1345                         weston_layer_entry_remove(&output->active->view->layer_link);
1346                         output->active = NULL;
1347                 }
1348
1349                 insert_black_surface(output);
1350         }
1351
1352         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1353                 wl_list_remove(&surf->link);
1354                 wl_list_init(&surf->link);
1355         }
1356
1357         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1358                 wl_list_remove(&surf->link);
1359                 wl_list_init(&surf->link);
1360         }
1361
1362         wl_list_init(&ivi->surfaces);
1363         wl_list_init(&ivi->pending_surfaces);
1364
1365         ivi->shell_client.ready = false;
1366         ivi->shell_client.resource = NULL;
1367         ivi->shell_client.client = NULL;
1368 }
1369
1370 static void
1371 bind_agl_shell(struct wl_client *client,
1372                void *data, uint32_t version, uint32_t id)
1373 {
1374         struct ivi_compositor *ivi = data;
1375         struct wl_resource *resource;
1376         struct ivi_policy *policy;
1377         void *interface;
1378
1379         policy = ivi->policy;
1380         interface = (void *) &agl_shell_interface;
1381         if (policy && policy->api.shell_bind_interface &&
1382             !policy->api.shell_bind_interface(client, interface)) {
1383                 wl_client_post_implementation_error(client,
1384                                        "client not authorized to use agl_shell");
1385                 return;
1386         }
1387
1388         resource = wl_resource_create(client, &agl_shell_interface,
1389                                       1, id);
1390         if (!resource) {
1391                 wl_client_post_no_memory(client);
1392                 return;
1393         }
1394
1395         if (ivi->shell_client.resource) {
1396                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1397                                        "agl_shell has already been bound");
1398                 return;
1399         }
1400
1401         wl_resource_set_implementation(resource, &agl_shell_implementation,
1402                                        ivi, unbind_agl_shell);
1403         ivi->shell_client.resource = resource;
1404 }
1405
1406 static void
1407 unbind_agl_shell_desktop(struct wl_resource *resource)
1408 {
1409         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1410
1411         wl_list_remove(&dclient->link);
1412         free(dclient);
1413 }
1414
1415 static void
1416 bind_agl_shell_desktop(struct wl_client *client,
1417                        void *data, uint32_t version, uint32_t id)
1418 {
1419         struct ivi_compositor *ivi = data;
1420         struct wl_resource *resource;
1421         struct ivi_policy *policy;
1422         struct desktop_client *dclient;
1423         void *interface;
1424
1425         policy = ivi->policy;
1426         interface  = (void *) &agl_shell_desktop_interface;
1427         if (policy && policy->api.shell_bind_interface &&
1428             !policy->api.shell_bind_interface(client, interface)) {
1429                 wl_client_post_implementation_error(client,
1430                                 "client not authorized to use agl_shell_desktop");
1431                 return;
1432         }
1433
1434         dclient = zalloc(sizeof(*dclient));
1435         if (!dclient) {
1436                 wl_client_post_no_memory(client);
1437                 return;
1438         }
1439
1440         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1441                                       version, id);
1442         dclient->ivi = ivi;
1443         if (!resource) {
1444                 wl_client_post_no_memory(client);
1445                 return;
1446         }
1447
1448         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1449                                        dclient, unbind_agl_shell_desktop);
1450
1451         dclient->resource = resource;
1452         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1453
1454         /* advertise xdg surfaces */
1455         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1456 }
1457
1458 int
1459 ivi_shell_create_global(struct ivi_compositor *ivi)
1460 {
1461         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1462                                           &agl_shell_interface, 1,
1463                                           ivi, bind_agl_shell);
1464         if (!ivi->agl_shell) {
1465                 weston_log("Failed to create wayland global.\n");
1466                 return -1;
1467         }
1468
1469         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1470                                                   &agl_shell_desktop_interface, 2,
1471                                                   ivi, bind_agl_shell_desktop);
1472         if (!ivi->agl_shell_desktop) {
1473                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1474                 return -1;
1475         }
1476
1477         return 0;
1478 }