protocol: Add set_app_normal request
[src/agl-compositor.git] / src / shell.c
1 /*
2  * Copyright © 2019, 2022 Collabora, Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial
14  * portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25
26 #include "ivi-compositor.h"
27 #include "policy.h"
28
29 #include <assert.h>
30 #include <errno.h>
31 #include <fcntl.h>
32 #include <signal.h>
33 #include <string.h>
34 #include <sys/socket.h>
35 #include <sys/types.h>
36 #include <sys/wait.h>
37 #include <unistd.h>
38 #include <libweston/libweston.h>
39 #include <libweston/config-parser.h>
40
41 #include <weston/weston.h>
42 #include "shared/os-compatibility.h"
43 #include "shared/helpers.h"
44 #include "shared/process-util.h"
45
46 #include "agl-shell-server-protocol.h"
47 #include "agl-shell-desktop-server-protocol.h"
48
49 #ifdef HAVE_WALTHAM
50 #include <waltham-transmitter/transmitter_api.h>
51 #endif
52
53 static void
54 create_black_curtain_view(struct ivi_output *output);
55
56 void
57 agl_shell_desktop_advertise_application_id(struct ivi_compositor *ivi,
58                                            struct ivi_surface *surface)
59 {
60         struct desktop_client *dclient;
61         static bool display_adv = false;
62
63         if (surface->advertised_on_launch)
64                 return;
65
66         /* advertise to all desktop clients the new surface */
67         wl_list_for_each(dclient, &ivi->desktop_clients, link) {
68                 const char *app_id =
69                         weston_desktop_surface_get_app_id(surface->dsurface);
70                 if (app_id == NULL) {
71                         if (!display_adv) {
72                                 weston_log("WARNING app_is is null, unable to advertise\n");
73                                 display_adv = true;
74                         }
75                         return;
76                 }
77                 agl_shell_desktop_send_application(dclient->resource, app_id);
78                 surface->advertised_on_launch = true;
79         }
80 }
81
82 void
83 ivi_set_desktop_surface(struct ivi_surface *surface)
84 {
85         struct ivi_compositor *ivi = surface->ivi;
86         assert(surface->role == IVI_SURFACE_ROLE_NONE);
87
88         surface->role = IVI_SURFACE_ROLE_DESKTOP;
89         wl_list_insert(&surface->ivi->surfaces, &surface->link);
90
91         agl_shell_desktop_advertise_application_id(ivi, surface);
92 }
93
94 static void
95 ivi_set_background_surface(struct ivi_surface *surface)
96 {
97         struct ivi_compositor *ivi = surface->ivi;
98         assert(surface->role == IVI_SURFACE_ROLE_BACKGROUND);
99
100         wl_list_insert(&surface->ivi->surfaces, &surface->link);
101         agl_shell_desktop_advertise_application_id(ivi, surface);
102 }
103
104 static void
105 ivi_set_desktop_surface_popup(struct ivi_surface *surface)
106 {
107         struct ivi_compositor *ivi = surface->ivi;
108         assert(surface->role == IVI_SURFACE_ROLE_NONE);
109
110         surface->role = IVI_SURFACE_ROLE_POPUP;
111         wl_list_insert(&ivi->surfaces, &surface->link);
112
113         agl_shell_desktop_advertise_application_id(ivi, surface);
114 }
115
116 static void
117 ivi_set_desktop_surface_fullscreen(struct ivi_surface *surface)
118 {
119         struct ivi_compositor *ivi = surface->ivi;
120         assert(surface->role == IVI_SURFACE_ROLE_NONE);
121
122         surface->role = IVI_SURFACE_ROLE_FULLSCREEN;
123         wl_list_insert(&ivi->surfaces, &surface->link);
124
125         agl_shell_desktop_advertise_application_id(ivi, surface);
126 }
127
128 #ifdef HAVE_WALTHAM
129 void
130 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
131 {
132         struct ivi_compositor *ivi = surface->ivi;
133         const struct weston_transmitter_api *api =
134                 ivi->waltham_transmitter_api;
135
136         if (!api)
137                 return;
138
139         if (surface->waltham_surface.transmitter_surface)
140                 api->surface_destroy(surface->waltham_surface.transmitter_surface);
141 }
142
143 static void
144 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
145 {
146         struct ivi_compositor *ivi = surface->ivi;
147         const struct weston_transmitter_api *api = ivi->waltham_transmitter_api;
148         struct weston_transmitter *transmitter;
149         struct weston_transmitter_remote *trans_remote;
150         struct weston_surface *weston_surface;
151         struct weston_output *woutput = surface->remote.output->output;
152         const char *app_id;
153
154         if (!api)
155                 return;
156
157         transmitter = api->transmitter_get(ivi->compositor);
158         if (!transmitter)
159                 return;
160
161         trans_remote = api->get_transmitter_remote(woutput->name, transmitter);
162         if (!trans_remote) {
163                 weston_log("Could not find a valie weston_transmitter_remote "
164                                 "that matches the output %s\n", woutput->name);
165                 return;
166         }
167
168         app_id = weston_desktop_surface_get_app_id(surface->dsurface);
169         weston_surface =
170                 weston_desktop_surface_get_surface(surface->dsurface);
171
172         weston_log("Forwarding app_id %s to remote %s\n", app_id, woutput->name);
173
174         /* this will have the effect of informing the remote side to create a
175          * surface with the name app_id. W/ xdg-shell the following happens:
176          *
177          * compositor (server):
178          * surface_push_to_remote():
179          *      waltham-transmitter plug-in
180          *              -> wthp_ivi_app_id_surface_create()
181          *
182          * client -- on the receiver side:
183          *      -> wthp_ivi_app_id_surface_create()
184          *              -> wth_receiver_weston_main()
185          *                      -> wl_compositor_create_surface()
186          *                      -> xdg_wm_base_get_xdg_surface
187          *                      -> xdg_toplevel_set_app_id()
188          *                      -> gst_init()
189          *                      -> gst_parse_launch()
190          *
191          * wth_receiver_weston_main() will be invoked from the handler of
192          * wthp_ivi_app_id_surface_create() and is responsible for setting-up
193          * the gstreamer pipeline as well.
194          */
195         surface->waltham_surface.transmitter_surface =
196             api->surface_push_to_remote(weston_surface, app_id, trans_remote, NULL);
197 }
198
199 #else
200 void
201 ivi_destroy_waltham_destroy(struct ivi_surface *surface)
202 {
203 }
204 static void
205 ivi_output_notify_waltham_plugin(struct ivi_surface *surface)
206 {
207 }
208 #endif
209
210 static void
211 ivi_set_desktop_surface_remote(struct ivi_surface *surface)
212 {
213         struct ivi_compositor *ivi = surface->ivi;
214         struct weston_view *view;
215         struct ivi_output *output = surface->remote.output;
216
217         assert(surface->role == IVI_SURFACE_ROLE_NONE);
218
219         /* remote type are the same as desktop just that client can tell
220          * the compositor to start on another output */
221         surface->role = IVI_SURFACE_ROLE_REMOTE;
222
223         /* if thew black surface view is mapped on the mean we need
224          * to remove it in order to start showing the 'remote' surface
225          * just being added */
226         view = output->fullscreen_view.fs->view;
227         if (view->is_mapped || view->surface->is_mapped)
228                 remove_black_curtain(output);
229
230         if (output->type == OUTPUT_WALTHAM)
231                 ivi_output_notify_waltham_plugin(surface);
232
233         wl_list_insert(&ivi->surfaces, &surface->link);
234 }
235
236
237 static void
238 ivi_set_desktop_surface_split(struct ivi_surface *surface)
239 {
240         struct ivi_compositor *ivi = surface->ivi;
241         assert(surface->role == IVI_SURFACE_ROLE_NONE);
242
243         if (surface->split.orientation == AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL)
244                 surface->role = IVI_SURFACE_ROLE_SPLIT_V;
245         else
246                 surface->role = IVI_SURFACE_ROLE_SPLIT_H;
247
248         wl_list_insert(&ivi->surfaces, &surface->link);
249
250         agl_shell_desktop_advertise_application_id(ivi, surface);
251 }
252
253 static struct pending_popup *
254 ivi_ensure_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
255                  int width, int height, const char *app_id)
256 {
257         struct pending_popup *p_popup = zalloc(sizeof(*p_popup));
258         size_t len_app_id = strlen(app_id);
259
260         if (!p_popup)
261                 return NULL;
262         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
263         if (!p_popup->app_id) {
264                 free(p_popup);
265                 return NULL;
266         }
267         memcpy(p_popup->app_id, app_id, len_app_id);
268         p_popup->ioutput = ioutput;
269         p_popup->x = x;
270         p_popup->y = y;
271
272         p_popup->bb.x = bx;
273         p_popup->bb.y = by;
274         p_popup->bb.width = width;
275         p_popup->bb.height = height;
276
277         return p_popup;
278 }
279
280 static void
281 ivi_update_popup(struct ivi_output *ioutput, int x, int y, int bx, int by,
282                  int width, int height, const char *app_id, struct pending_popup *p_popup)
283 {
284         size_t len_app_id = strlen(app_id);
285
286         wl_list_remove(&p_popup->link);
287         wl_list_init(&p_popup->link);
288
289         memset(p_popup->app_id, 0, strlen(app_id) + 1);
290         free(p_popup->app_id);
291
292         p_popup->app_id = zalloc(sizeof(char) * (len_app_id + 1));
293         if (!p_popup->app_id)
294                 return;
295         memcpy(p_popup->app_id, app_id, len_app_id);
296
297         p_popup->ioutput = ioutput;
298         p_popup->x = x;
299         p_popup->y = y;
300
301         p_popup->bb.x = bx;
302         p_popup->bb.y = by;
303         p_popup->bb.width = width;
304         p_popup->bb.height = height;
305 }
306
307 static struct pending_fullscreen *
308 ivi_ensure_fullscreen(struct ivi_output *ioutput, const char *app_id)
309 {
310         struct pending_fullscreen *p_fullscreen = zalloc(sizeof(*p_fullscreen));
311         size_t len_app_id = strlen(app_id);
312
313         if (!p_fullscreen)
314                 return NULL;
315         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
316         if (!p_fullscreen->app_id) {
317                 free(p_fullscreen);
318                 return NULL;
319         }
320         memcpy(p_fullscreen->app_id, app_id, len_app_id);
321
322         p_fullscreen->ioutput = ioutput;
323         return p_fullscreen;
324 }
325
326 static void
327 ivi_update_fullscreen(struct ivi_output *ioutput, const char *app_id,
328                       struct pending_fullscreen *p_fullscreen)
329 {
330         size_t len_app_id = strlen(app_id);
331
332         wl_list_remove(&p_fullscreen->link);
333         wl_list_init(&p_fullscreen->link);
334
335         memset(p_fullscreen->app_id, 0, strlen(app_id) + 1);
336         free(p_fullscreen->app_id);
337
338         p_fullscreen->app_id = zalloc(sizeof(char) * (len_app_id + 1));
339         if (!p_fullscreen->app_id)
340                 return;
341         memcpy(p_fullscreen->app_id, app_id, len_app_id);
342
343         p_fullscreen->ioutput = ioutput;
344 }
345
346 static struct pending_remote *
347 ivi_ensure_remote(struct ivi_output *ioutput, const char *app_id)
348 {
349         struct pending_remote *p_remote = zalloc(sizeof(*p_remote));
350         size_t len_app_id = strlen(app_id);
351
352         if (!p_remote)
353                 return NULL;
354         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
355         if (!p_remote->app_id) {
356                 free(p_remote);
357                 return NULL;
358         }
359         memcpy(p_remote->app_id, app_id, len_app_id);
360
361         p_remote->ioutput = ioutput;
362         return p_remote;
363 }
364
365 static void
366 ivi_update_remote(struct ivi_output *ioutput, const char *app_id,
367                       struct pending_remote *p_remote)
368 {
369         size_t len_app_id = strlen(app_id);
370
371         wl_list_remove(&p_remote->link);
372         wl_list_init(&p_remote->link);
373
374         memset(p_remote->app_id, 0, strlen(app_id) + 1);
375         free(p_remote->app_id);
376
377         p_remote->app_id = zalloc(sizeof(char) * (len_app_id + 1));
378         if (!p_remote->app_id)
379                 return;
380         memcpy(p_remote->app_id, app_id, len_app_id);
381
382         p_remote->ioutput = ioutput;
383 }
384
385 static void
386 ivi_set_pending_desktop_surface_popup(struct ivi_output *ioutput, int x, int y, int bx,
387                                       int by, int width, int height, const char *app_id)
388 {
389         struct ivi_compositor *ivi = ioutput->ivi;
390         struct pending_popup *p_popup = NULL;
391         struct pending_popup *popup;
392
393         wl_list_for_each(popup, &ivi->popup_pending_apps, link)
394                 if (!strcmp(app_id, popup->app_id))
395                         p_popup = popup;
396
397         if (!p_popup)
398                 p_popup = ivi_ensure_popup(ioutput, x, y, bx, by, width, height, app_id);
399         else
400                 ivi_update_popup(ioutput, x, y, bx, by, width, height, app_id, p_popup);
401         if (!p_popup)
402                 return;
403
404         wl_list_insert(&ivi->popup_pending_apps, &p_popup->link);
405 }
406
407 static void
408 ivi_set_pending_desktop_surface_fullscreen(struct ivi_output *ioutput,
409                                            const char *app_id)
410 {
411         struct ivi_compositor *ivi = ioutput->ivi;
412         struct pending_fullscreen *p_fullscreen = NULL;
413         struct pending_fullscreen *fullscreen;
414
415         wl_list_for_each(fullscreen, &ivi->fullscreen_pending_apps, link)
416                 if (!strcmp(app_id, fullscreen->app_id))
417                         p_fullscreen = fullscreen;
418
419         if (!p_fullscreen)
420                 p_fullscreen = ivi_ensure_fullscreen(ioutput, app_id);
421         else
422                 ivi_update_fullscreen(ioutput, app_id, p_fullscreen);
423
424         if (!p_fullscreen)
425                 return;
426         wl_list_insert(&ivi->fullscreen_pending_apps, &p_fullscreen->link);
427 }
428
429 static void
430 ivi_set_pending_desktop_surface_split(struct ivi_output *ioutput,
431                                       const char *app_id, uint32_t orientation)
432 {
433         struct ivi_compositor *ivi = ioutput->ivi;
434         struct ivi_surface *surf;
435         size_t len_app_id = strlen(app_id);
436         struct pending_split *split;
437
438         if (orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL &&
439             orientation != AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL)
440                 return;
441
442         /* more than one is un-supported, do note we need to do
443          * conversion for surface roles instead of using the protocol ones */
444         wl_list_for_each(surf, &ivi->surfaces, link)
445                 if (surf->role == IVI_SURFACE_ROLE_SPLIT_V ||
446                     surf->role == IVI_SURFACE_ROLE_SPLIT_H)
447                         return;
448
449         split = zalloc(sizeof(*split));
450         if (!split)
451                 return;
452         split->app_id = zalloc(sizeof(char) * (len_app_id + 1));
453         if (!split->app_id) {
454                 free(split);
455                 return;
456         }
457         memcpy(split->app_id, app_id, len_app_id);
458
459         split->ioutput = ioutput;
460         split->orientation = orientation;
461
462         wl_list_insert(&ivi->split_pending_apps, &split->link);
463 }
464
465 void
466 ivi_set_pending_desktop_surface_remote(struct ivi_output *ioutput,
467                 const char *app_id)
468 {
469         struct ivi_compositor *ivi = ioutput->ivi;
470         struct pending_remote *remote;
471         struct pending_remote *p_remote = NULL;
472
473         wl_list_for_each(remote, &ivi->remote_pending_apps, link)
474                 if (!strcmp(app_id, remote->app_id))
475                         p_remote = remote;
476
477         if (!p_remote)
478                 p_remote = ivi_ensure_remote(ioutput, app_id);
479         else
480                 ivi_update_remote(ioutput, app_id, p_remote);
481         if (!p_remote)
482                 return;
483
484         wl_list_insert(&ivi->remote_pending_apps, &p_remote->link);
485 }
486
487
488 static void
489 ivi_remove_pending_desktop_surface_split(struct pending_split *split)
490 {
491         free(split->app_id);
492         wl_list_remove(&split->link);
493         free(split);
494 }
495
496 static void
497 ivi_remove_pending_desktop_surface_fullscreen(struct pending_fullscreen *fs)
498 {
499         free(fs->app_id);
500         wl_list_remove(&fs->link);
501         free(fs);
502 }
503
504 static void
505 ivi_remove_pending_desktop_surface_popup(struct pending_popup *p_popup)
506 {
507         free(p_popup->app_id);
508         wl_list_remove(&p_popup->link);
509         free(p_popup);
510 }
511
512 static void
513 ivi_remove_pending_desktop_surface_remote(struct pending_remote *remote)
514 {
515         free(remote->app_id);
516         wl_list_remove(&remote->link);
517         free(remote);
518 }
519
520 static bool
521 ivi_compositor_keep_pending_surfaces(struct ivi_surface *surface)
522 {
523         return surface->ivi->keep_pending_surfaces;
524 }
525
526 static bool
527 ivi_check_pending_desktop_surface_popup(struct ivi_surface *surface)
528 {
529         struct ivi_compositor *ivi = surface->ivi;
530         struct pending_popup *p_popup, *next_p_popup;
531         const char *_app_id =
532                         weston_desktop_surface_get_app_id(surface->dsurface);
533
534         if (wl_list_empty(&ivi->popup_pending_apps) || !_app_id)
535                 return false;
536
537         wl_list_for_each_safe(p_popup, next_p_popup,
538                               &ivi->popup_pending_apps, link) {
539                 if (!strcmp(_app_id, p_popup->app_id)) {
540                         surface->popup.output = p_popup->ioutput;
541                         surface->popup.x = p_popup->x;
542                         surface->popup.y = p_popup->y;
543
544                         surface->popup.bb.x = p_popup->bb.x;
545                         surface->popup.bb.y = p_popup->bb.y;
546                         surface->popup.bb.width = p_popup->bb.width;
547                         surface->popup.bb.height = p_popup->bb.height;
548
549                         if (!ivi_compositor_keep_pending_surfaces(surface))
550                                 ivi_remove_pending_desktop_surface_popup(p_popup);
551                         return true;
552                 }
553         }
554
555         return false;
556 }
557
558 static bool
559 ivi_check_pending_desktop_surface_split(struct ivi_surface *surface)
560 {
561         struct pending_split *split_surf, *next_split_surf;
562         struct ivi_compositor *ivi = surface->ivi;
563         const char *_app_id =
564                         weston_desktop_surface_get_app_id(surface->dsurface);
565
566         if (wl_list_empty(&ivi->split_pending_apps) || !_app_id)
567                 return false;
568
569         wl_list_for_each_safe(split_surf, next_split_surf,
570                               &ivi->split_pending_apps, link) {
571                 if (!strcmp(_app_id, split_surf->app_id)) {
572                         surface->split.output = split_surf->ioutput;
573                         surface->split.orientation = split_surf->orientation;
574                         if (!ivi_compositor_keep_pending_surfaces(surface))
575                                 ivi_remove_pending_desktop_surface_split(split_surf);
576                         return true;
577                 }
578         }
579
580         return false;
581 }
582
583 static bool
584 ivi_check_pending_desktop_surface_fullscreen(struct ivi_surface *surface)
585 {
586         struct pending_fullscreen *fs_surf, *next_fs_surf;
587         struct ivi_compositor *ivi = surface->ivi;
588         const char *_app_id =
589                         weston_desktop_surface_get_app_id(surface->dsurface);
590
591         if (wl_list_empty(&ivi->fullscreen_pending_apps) || !_app_id)
592                 return false;
593
594         wl_list_for_each_safe(fs_surf, next_fs_surf,
595                               &ivi->fullscreen_pending_apps, link) {
596                 if (!strcmp(_app_id, fs_surf->app_id)) {
597                         surface->fullscreen.output = fs_surf->ioutput;
598                         if (!ivi_compositor_keep_pending_surfaces(surface))
599                                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
600                         return true;
601                 }
602         }
603
604         return false;
605 }
606
607 static bool
608 ivi_check_pending_desktop_surface_remote(struct ivi_surface *surface)
609 {
610         struct pending_remote *remote_surf, *next_remote_surf;
611         struct ivi_compositor *ivi = surface->ivi;
612         const char *_app_id =
613                 weston_desktop_surface_get_app_id(surface->dsurface);
614
615         if (wl_list_empty(&ivi->remote_pending_apps) || !_app_id)
616                 return false;
617
618         wl_list_for_each_safe(remote_surf, next_remote_surf,
619                               &ivi->remote_pending_apps, link) {
620                 if (!strcmp(_app_id, remote_surf->app_id)) {
621                         surface->remote.output = remote_surf->ioutput;
622                         if (!ivi_compositor_keep_pending_surfaces(surface))
623                                 ivi_remove_pending_desktop_surface_remote(remote_surf);
624                         return true;
625                 }
626         }
627
628         return false;
629 }
630 void
631 ivi_check_pending_surface_desktop(struct ivi_surface *surface,
632                                   enum ivi_surface_role *role)
633 {
634         struct ivi_compositor *ivi = surface->ivi;
635         struct wl_list *role_pending_list;
636         struct pending_popup *p_popup;
637         struct pending_split *p_split;
638         struct pending_fullscreen *p_fullscreen;
639         struct pending_remote *p_remote;
640         const char *app_id =
641                 weston_desktop_surface_get_app_id(surface->dsurface);
642
643         role_pending_list = &ivi->popup_pending_apps;
644         wl_list_for_each(p_popup, role_pending_list, link) {
645                 if (app_id && !strcmp(app_id, p_popup->app_id)) {
646                         *role = IVI_SURFACE_ROLE_POPUP;
647                         return;
648                 }
649         }
650
651         role_pending_list = &ivi->split_pending_apps;
652         wl_list_for_each(p_split, role_pending_list, link) {
653                 if (app_id && !strcmp(app_id, p_split->app_id)) {
654                         *role = IVI_SURFACE_ROLE_SPLIT_V;
655                         return;
656                 }
657         }
658
659         role_pending_list = &ivi->fullscreen_pending_apps;
660         wl_list_for_each(p_fullscreen, role_pending_list, link) {
661                 if (app_id && !strcmp(app_id, p_fullscreen->app_id)) {
662                         *role = IVI_SURFACE_ROLE_FULLSCREEN;
663                         return;
664                 }
665         }
666
667         role_pending_list = &ivi->remote_pending_apps;
668         wl_list_for_each(p_remote, role_pending_list, link) {
669                 if (app_id && !strcmp(app_id, p_remote->app_id)) {
670                         *role = IVI_SURFACE_ROLE_REMOTE;
671                         return;
672                 }
673         }
674
675         /* else, we are a regular desktop surface */
676         *role = IVI_SURFACE_ROLE_DESKTOP;
677 }
678
679
680 void
681 ivi_check_pending_desktop_surface(struct ivi_surface *surface)
682 {
683         bool ret = false;
684
685         ret = ivi_check_pending_desktop_surface_popup(surface);
686         if (ret) {
687                 ivi_set_desktop_surface_popup(surface);
688                 ivi_layout_popup_committed(surface);
689                 return;
690         }
691
692         ret = ivi_check_pending_desktop_surface_split(surface);
693         if (ret) {
694                 ivi_set_desktop_surface_split(surface);
695                 ivi_layout_split_committed(surface);
696                 return;
697         }
698
699         ret = ivi_check_pending_desktop_surface_fullscreen(surface);
700         if (ret) {
701                 ivi_set_desktop_surface_fullscreen(surface);
702                 ivi_layout_fullscreen_committed(surface);
703                 return;
704         }
705
706         ret = ivi_check_pending_desktop_surface_remote(surface);
707         if (ret) {
708                 ivi_set_desktop_surface_remote(surface);
709                 ivi_layout_desktop_committed(surface);
710                 return;
711         }
712
713         /* if we end up here means we have a regular desktop app and
714          * try to activate it */
715         ivi_set_desktop_surface(surface);
716         ivi_layout_desktop_committed(surface);
717 }
718
719 void
720 ivi_shell_init_black_fs(struct ivi_compositor *ivi)
721 {
722         struct ivi_output *out;
723
724         wl_list_for_each(out, &ivi->outputs, link) {
725                 create_black_curtain_view(out);
726                 insert_black_curtain(out);
727         }
728 }
729
730 int
731 ivi_shell_init(struct ivi_compositor *ivi)
732 {
733         weston_layer_init(&ivi->hidden, ivi->compositor);
734         weston_layer_init(&ivi->background, ivi->compositor);
735         weston_layer_init(&ivi->normal, ivi->compositor);
736         weston_layer_init(&ivi->panel, ivi->compositor);
737         weston_layer_init(&ivi->popup, ivi->compositor);
738         weston_layer_init(&ivi->fullscreen, ivi->compositor);
739
740         weston_layer_set_position(&ivi->hidden,
741                                   WESTON_LAYER_POSITION_HIDDEN);
742         weston_layer_set_position(&ivi->background,
743                                   WESTON_LAYER_POSITION_BACKGROUND);
744         weston_layer_set_position(&ivi->normal,
745                                   WESTON_LAYER_POSITION_NORMAL);
746         weston_layer_set_position(&ivi->panel,
747                                   WESTON_LAYER_POSITION_UI);
748         weston_layer_set_position(&ivi->popup,
749                                   WESTON_LAYER_POSITION_TOP_UI);
750         weston_layer_set_position(&ivi->fullscreen,
751                                   WESTON_LAYER_POSITION_FULLSCREEN);
752
753         return 0;
754 }
755
756
757 static void
758 ivi_surf_destroy(struct ivi_surface *surf)
759 {
760         struct weston_surface *wsurface = surf->view->surface;
761
762         if (weston_surface_is_mapped(wsurface)) {
763                 weston_desktop_surface_unlink_view(surf->view);
764                 weston_view_destroy(surf->view);
765         }
766
767         wl_list_remove(&surf->link);
768         free(surf);
769 }
770
771 static void
772 ivi_shell_destroy_views_on_layer(struct weston_layer *layer)
773 {
774         struct weston_view *view, *view_next;
775
776         wl_list_for_each_safe(view, view_next, &layer->view_list.link, layer_link.link) {
777                 struct ivi_surface *ivi_surf =
778                         get_ivi_shell_surface(view->surface);
779                 if (ivi_surf)
780                         ivi_surf_destroy(ivi_surf);
781         }
782 }
783
784 void
785 ivi_shell_finalize(struct ivi_compositor *ivi)
786 {
787         struct ivi_output *output;
788
789         ivi_shell_destroy_views_on_layer(&ivi->hidden);
790         weston_layer_fini(&ivi->hidden);
791
792         ivi_shell_destroy_views_on_layer(&ivi->background);
793         weston_layer_fini(&ivi->background);
794
795         ivi_shell_destroy_views_on_layer(&ivi->normal);
796         weston_layer_fini(&ivi->normal);
797
798         ivi_shell_destroy_views_on_layer(&ivi->panel);
799         weston_layer_fini(&ivi->panel);
800
801         ivi_shell_destroy_views_on_layer(&ivi->popup);
802         weston_layer_fini(&ivi->popup);
803
804         wl_list_for_each(output, &ivi->outputs, link) {
805                 if (output->fullscreen_view.fs &&
806                     output->fullscreen_view.fs->view) {
807                         weston_surface_destroy(output->fullscreen_view.fs->view->surface);
808                         output->fullscreen_view.fs->view = NULL;
809                 }
810         }
811         weston_layer_fini(&ivi->fullscreen);
812 }
813
814 static void
815 ivi_shell_advertise_xdg_surfaces(struct ivi_compositor *ivi, struct wl_resource *resource)
816 {
817         struct ivi_surface *surface;
818
819         wl_list_for_each(surface, &ivi->surfaces, link) {
820                 const char *app_id =
821                         weston_desktop_surface_get_app_id(surface->dsurface);
822                 if (app_id == NULL) {
823                         weston_log("WARNING app_is is null, unable to advertise\n");
824                         return;
825                 }
826                 agl_shell_desktop_send_application(resource, app_id);
827         }
828 }
829
830 static struct wl_client *
831 client_launch(struct weston_compositor *compositor,
832                      struct weston_process *proc,
833                      const char *path,
834                      weston_process_cleanup_func_t cleanup)
835 {
836         struct wl_client *client = NULL;
837         struct custom_env child_env;
838         struct fdstr wayland_socket;
839         const char *fail_cloexec = "Couldn't unset CLOEXEC on client socket";
840         const char *fail_seteuid = "Couldn't call seteuid";
841         char *fail_exec;
842         char * const *argp;
843         char * const *envp;
844         sigset_t allsigs;
845         pid_t pid;
846         bool ret;
847         struct ivi_compositor *ivi;
848         size_t written __attribute__((unused));
849
850         weston_log("launching '%s'\n", path);
851         str_printf(&fail_exec, "Error: Couldn't launch client '%s'\n", path);
852
853         custom_env_init_from_environ(&child_env);
854         custom_env_add_from_exec_string(&child_env, path);
855
856         if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0,
857                                   wayland_socket.fds) < 0) {
858                 weston_log("client_launch: "
859                            "socketpair failed while launching '%s': %s\n",
860                            path, strerror(errno));
861                 custom_env_fini(&child_env);
862                 return NULL;
863         }
864         fdstr_update_str1(&wayland_socket);
865         custom_env_set_env_var(&child_env, "WAYLAND_SOCKET",
866                                wayland_socket.str1);
867
868         argp = custom_env_get_argp(&child_env);
869         envp = custom_env_get_envp(&child_env);
870
871         pid = fork();
872         switch (pid) {
873         case 0:
874                 /* Put the client in a new session so it won't catch signals
875                  * intended for the parent. Sharing a session can be
876                  * confusing when launching weston under gdb, as the ctrl-c
877                  * intended for gdb will pass to the child, and weston
878                  * will cleanly shut down when the child exits.
879                  */
880                 setsid();
881
882                 /* do not give our signal mask to the new process */
883                 sigfillset(&allsigs);
884                 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
885
886                 /* Launch clients as the user. Do not launch clients with wrong euid. */
887                 if (seteuid(getuid()) == -1) {
888                         written = write(STDERR_FILENO, fail_seteuid, strlen(fail_seteuid));
889                         _exit(EXIT_FAILURE);
890                 }
891
892                 ret = fdstr_clear_cloexec_fd1(&wayland_socket);
893                 if (!ret) {
894                         written = write(STDERR_FILENO, fail_cloexec, strlen(fail_cloexec));
895                         _exit(EXIT_FAILURE);
896                 }
897
898                 execve(argp[0], argp, envp);
899
900                 if (fail_exec)
901                         written = write(STDERR_FILENO, fail_exec, strlen(fail_exec));
902                 _exit(EXIT_FAILURE);
903
904         default:
905                 close(wayland_socket.fds[1]);
906                 ivi = weston_compositor_get_user_data(compositor);
907                 client = wl_client_create(compositor->wl_display,
908                                           wayland_socket.fds[0]);
909                 if (!client) {
910                         custom_env_fini(&child_env);
911                         close(wayland_socket.fds[0]);
912                         free(fail_exec);
913                         weston_log("client_launch: "
914                                 "wl_client_create failed while launching '%s'.\n",
915                                 path);
916                         return NULL;
917                 }
918
919                 proc->pid = pid;
920                 proc->cleanup = cleanup;
921                 wl_list_insert(&ivi->child_process_list, &proc->link);
922                 break;
923
924         case -1:
925                 fdstr_close_all(&wayland_socket);
926                 weston_log("client_launch: "
927                            "fork failed while launching '%s': %s\n", path,
928                            strerror(errno));
929                 break;
930         }
931
932         custom_env_fini(&child_env);
933         free(fail_exec);
934
935         return client;
936 }
937
938 struct process_info {
939         struct weston_process proc;
940         char *path;
941 };
942
943 int
944 sigchld_handler(int signal_number, void *data)
945 {
946         struct weston_process *p;
947         struct ivi_compositor *ivi = data;
948         int status;
949         pid_t pid;
950
951         while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
952                 wl_list_for_each(p, &ivi->child_process_list, link) {
953                         if (p->pid == pid)
954                                 break;
955                 }
956
957                 if (&p->link == &ivi->child_process_list) {
958                         weston_log("unknown child process exited\n");
959                         continue;
960                 }
961
962                 wl_list_remove(&p->link);
963                 wl_list_init(&p->link);
964                 p->cleanup(p, status);
965         }
966
967         if (pid < 0 && errno != ECHILD)
968                 weston_log("waitpid error %s\n", strerror(errno));
969
970         return 1;
971 }
972
973
974 static void
975 process_handle_sigchld(struct weston_process *process, int status)
976 {
977         struct process_info *pinfo =
978                 container_of(process, struct process_info, proc);
979
980         /*
981          * There are no guarantees whether this runs before or after
982          * the wl_client destructor.
983          */
984
985         if (WIFEXITED(status)) {
986                 weston_log("%s exited with status %d\n", pinfo->path,
987                            WEXITSTATUS(status));
988         } else if (WIFSIGNALED(status)) {
989                 weston_log("%s died on signal %d\n", pinfo->path,
990                            WTERMSIG(status));
991         } else {
992                 weston_log("%s disappeared\n", pinfo->path);
993         }
994
995         free(pinfo->path);
996         free(pinfo);
997 }
998
999 int
1000 ivi_launch_shell_client(struct ivi_compositor *ivi, const char *cmd_section,
1001                         struct wl_client **client)
1002 {
1003         struct process_info *pinfo;
1004         struct weston_config_section *section;
1005         char *command = NULL;
1006
1007         section = weston_config_get_section(ivi->config, cmd_section, NULL, NULL);
1008         if (section)
1009                 weston_config_section_get_string(section, "command", &command, NULL);
1010
1011         if (!command)
1012                 return -1;
1013
1014         pinfo = zalloc(sizeof *pinfo);
1015         if (!pinfo)
1016                 return -1;
1017
1018         pinfo->path = strdup(command);
1019         if (!pinfo->path)
1020                 goto out_free;
1021
1022         *client = client_launch(ivi->compositor, &pinfo->proc, command, process_handle_sigchld);
1023         if (!*client)
1024                 goto out_str;
1025
1026         return 0;
1027
1028 out_str:
1029         free(pinfo->path);
1030
1031 out_free:
1032         free(pinfo);
1033
1034         return -1;
1035 }
1036
1037 static void
1038 destroy_black_curtain_view(struct wl_listener *listener, void *data)
1039 {
1040         struct fullscreen_view *fs =
1041                 wl_container_of(listener, fs, fs_destroy);
1042
1043
1044         if (fs && fs->fs) {
1045                 wl_list_remove(&fs->fs_destroy.link);
1046                 free(fs->fs);
1047         }
1048 }
1049
1050
1051 static void
1052 create_black_curtain_view(struct ivi_output *output)
1053 {
1054         struct weston_surface *surface = NULL;
1055         struct weston_view *view;
1056         struct ivi_compositor *ivi = output->ivi;
1057         struct weston_compositor *wc= ivi->compositor;
1058         struct weston_output *woutput = output->output;
1059
1060         if (!woutput)
1061                 return;
1062
1063         surface = weston_surface_create(wc);
1064         if (!surface)
1065                 return;
1066         view = weston_view_create(surface);
1067         if (!view) {
1068                 weston_surface_destroy(surface);
1069                 return;
1070         }
1071
1072         weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1);
1073         weston_surface_set_size(surface, woutput->width, woutput->height);
1074         weston_view_set_position(view, woutput->x, woutput->y);
1075
1076         output->fullscreen_view.fs = zalloc(sizeof(struct ivi_surface));
1077         if (!output->fullscreen_view.fs) {
1078                 weston_surface_destroy(surface);
1079                 return;
1080         }
1081         output->fullscreen_view.fs->view = view;
1082
1083         output->fullscreen_view.fs_destroy.notify = destroy_black_curtain_view;
1084         wl_signal_add(&woutput->destroy_signal,
1085                       &output->fullscreen_view.fs_destroy);
1086 }
1087
1088 bool
1089 output_has_black_curtain(struct ivi_output *output)
1090 {
1091         return (output->fullscreen_view.fs &&
1092                 output->fullscreen_view.fs->view &&
1093                 output->fullscreen_view.fs->view->is_mapped &&
1094                 output->fullscreen_view.fs->view->surface->is_mapped);
1095 }
1096
1097 void
1098 remove_black_curtain(struct ivi_output *output)
1099 {
1100         struct weston_view *view;
1101
1102         if ((!output &&
1103             !output->fullscreen_view.fs &&
1104             !output->fullscreen_view.fs->view) ||
1105             !output->fullscreen_view.fs) {
1106                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1107                 return;
1108         }
1109
1110         view = output->fullscreen_view.fs->view;
1111         assert(view->is_mapped == true ||
1112                view->surface->is_mapped == true);
1113
1114         view->is_mapped = false;
1115         view->surface->is_mapped = false;
1116
1117         weston_layer_entry_remove(&view->layer_link);
1118         weston_view_update_transform(view);
1119
1120         weston_view_damage_below(view);
1121
1122         weston_log("Removed black curtain from output %s\n", output->output->name);
1123 }
1124
1125 void
1126 insert_black_curtain(struct ivi_output *output)
1127 {
1128         struct weston_view *view;
1129
1130         if ((!output &&
1131             !output->fullscreen_view.fs &&
1132             !output->fullscreen_view.fs->view) || !output->output ||
1133             !output->fullscreen_view.fs) {
1134                 weston_log("Output %s doesn't have a surface installed!\n", output->name);
1135                 return;
1136         }
1137
1138         view = output->fullscreen_view.fs->view;
1139         if (view->is_mapped || view->surface->is_mapped)
1140                 return;
1141
1142         weston_layer_entry_remove(&view->layer_link);
1143         weston_layer_entry_insert(&output->ivi->fullscreen.view_list,
1144                                   &view->layer_link);
1145
1146         view->is_mapped = true;
1147         view->surface->is_mapped = true;
1148
1149         weston_view_update_transform(view);
1150         weston_view_damage_below(view);
1151
1152         weston_log("Added black curtain to output %s\n", output->output->name);
1153 }
1154
1155 void
1156 shell_send_app_state(struct ivi_compositor *ivi, const char *app_id,
1157                      enum agl_shell_app_state state)
1158 {
1159         if (app_id && wl_resource_get_version(ivi->shell_client.resource) >=
1160             AGL_SHELL_APP_STATE_SINCE_VERSION) {
1161
1162                 agl_shell_send_app_state(ivi->shell_client.resource,
1163                                          app_id, state);
1164
1165                 if (ivi->shell_client.resource_ext)
1166                         agl_shell_send_app_state(ivi->shell_client.resource_ext,
1167                                                  app_id, state);
1168         }
1169 }
1170
1171 static void
1172 shell_ready(struct wl_client *client, struct wl_resource *shell_res)
1173 {
1174         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1175         struct ivi_output *output;
1176         struct ivi_surface *surface, *tmp;
1177
1178         if (wl_resource_get_version(shell_res) >=
1179             AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1180             ivi->shell_client.status == BOUND_FAILED) {
1181                 wl_resource_post_error(shell_res,
1182                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1183                                        "agl_shell has already been bound. "
1184                                        "Check out bound_fail event");
1185                 return;
1186         }
1187
1188         /* Init already finished. Do nothing */
1189         if (ivi->shell_client.ready)
1190                 return;
1191
1192
1193         ivi->shell_client.ready = true;
1194
1195         wl_list_for_each(output, &ivi->outputs, link) {
1196                 if (output->background &&
1197                     output->background->role == IVI_SURFACE_ROLE_BACKGROUND) {
1198                         /* track the background surface role as a "regular"
1199                          * surface so we can activate it */
1200                         ivi_set_background_surface(output->background);
1201                         remove_black_curtain(output);
1202                 }
1203
1204                 ivi_layout_init(ivi, output);
1205         }
1206
1207         wl_list_for_each_safe(surface, tmp, &ivi->pending_surfaces, link) {
1208                 const char *app_id;
1209
1210                 wl_list_remove(&surface->link);
1211                 wl_list_init(&surface->link);
1212                 ivi_check_pending_desktop_surface(surface);
1213                 surface->checked_pending = true;
1214                 app_id = weston_desktop_surface_get_app_id(surface->dsurface);
1215
1216                 shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_STARTED);
1217         }
1218 }
1219
1220 static void
1221 shell_set_background(struct wl_client *client,
1222                      struct wl_resource *shell_res,
1223                      struct wl_resource *surface_res,
1224                      struct wl_resource *output_res)
1225 {
1226         struct weston_head *head = weston_head_from_resource(output_res);
1227         struct weston_output *woutput = weston_head_get_output(head);
1228         struct ivi_output *output = to_ivi_output(woutput);
1229         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1230         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1231         struct weston_desktop_surface *dsurface;
1232         struct ivi_surface *surface;
1233
1234         if ((wl_resource_get_version(shell_res) >=
1235             AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1236             ivi->shell_client.status == BOUND_FAILED) ||
1237             ivi->shell_client.resource_ext == shell_res) {
1238                 wl_resource_post_error(shell_res,
1239                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1240                                        "agl_shell has already been bound. "
1241                                        "Check out bound_fail event");
1242                 return;
1243         }
1244
1245         dsurface = weston_surface_get_desktop_surface(wsurface);
1246         if (!dsurface) {
1247                 wl_resource_post_error(shell_res,
1248                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1249                                        "surface must be a desktop surface");
1250                 return;
1251         }
1252
1253         surface = weston_desktop_surface_get_user_data(dsurface);
1254         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1255                 wl_resource_post_error(shell_res,
1256                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1257                                        "surface already has another ivi role");
1258                 return;
1259         }
1260
1261         if (output->background) {
1262                 wl_resource_post_error(shell_res,
1263                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1264                                        "output already has background");
1265                 return;
1266         }
1267
1268         surface->checked_pending = true;
1269         surface->role = IVI_SURFACE_ROLE_BACKGROUND;
1270         surface->bg.output = output;
1271         wl_list_remove(&surface->link);
1272         wl_list_init(&surface->link);
1273
1274         output->background = surface;
1275
1276         weston_desktop_surface_set_maximized(dsurface, true);
1277         weston_desktop_surface_set_size(dsurface,
1278                                         output->output->width,
1279                                         output->output->height);
1280 }
1281
1282 static void
1283 shell_set_panel(struct wl_client *client,
1284                 struct wl_resource *shell_res,
1285                 struct wl_resource *surface_res,
1286                 struct wl_resource *output_res,
1287                 uint32_t edge)
1288 {
1289         struct weston_head *head = weston_head_from_resource(output_res);
1290         struct weston_output *woutput = weston_head_get_output(head);
1291         struct ivi_output *output = to_ivi_output(woutput);
1292         struct weston_surface *wsurface = wl_resource_get_user_data(surface_res);
1293         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1294         struct weston_desktop_surface *dsurface;
1295         struct ivi_surface *surface;
1296         struct ivi_surface **member;
1297         int32_t width = 0, height = 0;
1298
1299         if ((wl_resource_get_version(shell_res) >=
1300              AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1301              ivi->shell_client.status == BOUND_FAILED) ||
1302             ivi->shell_client.resource_ext == shell_res) {
1303                 wl_resource_post_error(shell_res,
1304                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1305                                        "agl_shell has already been bound. "
1306                                        "Check out bound_fail event");
1307                 return;
1308         }
1309
1310         dsurface = weston_surface_get_desktop_surface(wsurface);
1311         if (!dsurface) {
1312                 wl_resource_post_error(shell_res,
1313                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1314                                        "surface must be a desktop surface");
1315                 return;
1316         }
1317
1318         surface = weston_desktop_surface_get_user_data(dsurface);
1319         if (surface->role != IVI_SURFACE_ROLE_NONE) {
1320                 wl_resource_post_error(shell_res,
1321                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1322                                        "surface already has another ivi role");
1323                 return;
1324         }
1325
1326         switch (edge) {
1327         case AGL_SHELL_EDGE_TOP:
1328                 member = &output->top;
1329                 break;
1330         case AGL_SHELL_EDGE_BOTTOM:
1331                 member = &output->bottom;
1332                 break;
1333         case AGL_SHELL_EDGE_LEFT:
1334                 member = &output->left;
1335                 break;
1336         case AGL_SHELL_EDGE_RIGHT:
1337                 member = &output->right;
1338                 break;
1339         default:
1340                 wl_resource_post_error(shell_res,
1341                                        AGL_SHELL_ERROR_INVALID_ARGUMENT,
1342                                        "invalid edge for panel");
1343                 return;
1344         }
1345
1346         if (*member) {
1347                 wl_resource_post_error(shell_res,
1348                                        AGL_SHELL_ERROR_BACKGROUND_EXISTS,
1349                                        "output already has panel on this edge");
1350                 return;
1351         }
1352
1353         surface->checked_pending = true;
1354         surface->role = IVI_SURFACE_ROLE_PANEL;
1355         surface->panel.output = output;
1356         surface->panel.edge = edge;
1357         wl_list_remove(&surface->link);
1358         wl_list_init(&surface->link);
1359
1360         *member = surface;
1361
1362         switch (surface->panel.edge) {
1363         case AGL_SHELL_EDGE_TOP:
1364         case AGL_SHELL_EDGE_BOTTOM:
1365                 width = woutput->width;
1366                 break;
1367         case AGL_SHELL_EDGE_LEFT:
1368         case AGL_SHELL_EDGE_RIGHT:
1369                 height = woutput->height;
1370                 break;
1371         }
1372
1373         weston_desktop_surface_set_size(dsurface, width, height);
1374 }
1375
1376 void
1377 shell_advertise_app_state(struct ivi_compositor *ivi, const char *app_id,
1378                           const char *data, uint32_t app_state)
1379 {
1380         struct desktop_client *dclient;
1381         uint32_t app_role;
1382         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1383         struct ivi_policy *policy = ivi->policy;
1384
1385         /* FIXME: should queue it here and see when binding agl-shell-desktop
1386          * if there are any to be sent */
1387         if (!surf)
1388                 return;
1389
1390         if (!app_id)
1391                 return;
1392
1393         if (policy && policy->api.surface_advertise_state_change &&
1394             !policy->api.surface_advertise_state_change(surf, surf->ivi)) {
1395                 return;
1396         }
1397
1398         app_role = surf->role;
1399         if (app_role == IVI_SURFACE_ROLE_POPUP)
1400                 app_role = AGL_SHELL_DESKTOP_APP_ROLE_POPUP;
1401
1402         wl_list_for_each(dclient, &ivi->desktop_clients, link)
1403                 agl_shell_desktop_send_state_app(dclient->resource, app_id,
1404                                                  data, app_state, app_role);
1405 }
1406
1407 static void
1408 shell_activate_app(struct wl_client *client,
1409                    struct wl_resource *shell_res,
1410                    const char *app_id,
1411                    struct wl_resource *output_res)
1412 {
1413         struct weston_head *head;
1414         struct weston_output *woutput;
1415         struct ivi_compositor *ivi;
1416         struct ivi_output *output;
1417
1418         head = weston_head_from_resource(output_res);
1419         if (!head) {
1420                 weston_log("Invalid output to activate '%s' on\n", app_id);
1421                 return;
1422         }
1423
1424         woutput = weston_head_get_output(head);
1425         ivi = wl_resource_get_user_data(shell_res);
1426         output = to_ivi_output(woutput);
1427
1428         if (wl_resource_get_version(shell_res) >=
1429             AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1430             ivi->shell_client.status == BOUND_FAILED) {
1431                 wl_resource_post_error(shell_res,
1432                                        WL_DISPLAY_ERROR_INVALID_OBJECT,
1433                                        "agl_shell has already been bound. "
1434                                        "Check out bound_fail event");
1435                 return;
1436         }
1437
1438         ivi_layout_activate(output, app_id);
1439 }
1440
1441 static void
1442 shell_new_deactivate_app(struct wl_client *client, struct wl_resource *shell_res,
1443                          const char *app_id)
1444 {
1445         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1446
1447         ivi_layout_deactivate(ivi, app_id);
1448 }
1449
1450 static void
1451 shell_set_app_float(struct wl_client *client, struct wl_resource *shell_res,
1452                    const char *app_id, int32_t x_pos, int32_t y_pos)
1453 {
1454         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1455         struct weston_output *output = get_focused_output(ivi->compositor);
1456         struct ivi_output *ivi_output;
1457         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1458
1459         if (!output)
1460                 output = get_default_output(ivi->compositor);
1461
1462         ivi_output = to_ivi_output(output);
1463
1464         /* verify if already mapped as desktop role, regular, unmap it, so we
1465          * can make it float */
1466         if (surf && surf->role == IVI_SURFACE_ROLE_DESKTOP) {
1467                 struct weston_view *ev = surf->view;
1468                 struct weston_desktop_surface *dsurf = surf->dsurface;
1469                 struct ivi_bounding_box bb = {};
1470
1471                 /* XXX: if this is useful we could bring it as active then make
1472                  * it float, but avoid doing it for the moment */
1473                 if (surf != ivi_output->active)
1474                         return;
1475
1476                 ivi_layout_deactivate(ivi, app_id);
1477                 surf->hidden_layer_output = ivi_output;
1478
1479                 /* set attributes */
1480                 surf->popup.output = ivi_output;
1481
1482                 surf->popup.x = x_pos;
1483                 surf->popup.y = y_pos;
1484                 surf->popup.bb = bb;
1485
1486
1487                 /* change the role */
1488                 surf->role = IVI_SURFACE_ROLE_NONE;
1489
1490                 wl_list_remove(&surf->link);
1491                 wl_list_init(&surf->link);
1492
1493                 ivi_set_desktop_surface_popup(surf);
1494
1495                 weston_desktop_surface_set_maximized(dsurf, false);
1496                 weston_desktop_surface_set_size(dsurf, 0, 0);
1497
1498                 /* add to hidden layer */
1499                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
1500                 weston_compositor_schedule_repaint(ivi->compositor);
1501
1502         } else if (!surf || (surf && surf->role != IVI_SURFACE_ROLE_POPUP)) {
1503                 ivi_set_pending_desktop_surface_popup(ivi_output, x_pos, y_pos, 
1504                                                       0, 0, 0, 0, app_id);
1505         }
1506 }
1507
1508 static void
1509 shell_set_app_normal(struct wl_client *client, struct wl_resource *shell_res,
1510                      const char *app_id)
1511 {
1512         struct ivi_compositor *ivi = wl_resource_get_user_data(shell_res);
1513         struct ivi_surface *surf = ivi_find_app(ivi, app_id);
1514         struct weston_output *output = get_focused_output(ivi->compositor);
1515         struct ivi_output *ivi_output;
1516         struct weston_desktop_surface *dsurf;
1517         struct weston_geometry area = {};
1518
1519
1520         if (!surf || (surf && surf->role == IVI_SURFACE_ROLE_DESKTOP))
1521                 return;
1522
1523         if (!output)
1524                 output = get_default_output(ivi->compositor);
1525
1526         dsurf = surf->dsurface;
1527         ivi_output = to_ivi_output(output);
1528
1529         weston_layer_entry_remove(&surf->view->layer_link);
1530         weston_view_geometry_dirty(surf->view);
1531         weston_surface_damage(surf->view->surface);
1532
1533         /* change the role */
1534         surf->role = IVI_SURFACE_ROLE_NONE;
1535         surf->desktop.pending_output = ivi_output;
1536
1537         wl_list_remove(&surf->link);
1538         wl_list_init(&surf->link);
1539
1540         ivi_set_desktop_surface(surf);
1541
1542         if (ivi_output->area_activation.width ||
1543             ivi_output->area_activation.height)
1544                 area = ivi_output->area_activation;
1545         else
1546                 area = ivi_output->area;
1547
1548         weston_desktop_surface_set_maximized(dsurf, true);
1549         weston_desktop_surface_set_size(dsurf, area.width, area.height);
1550
1551         /* add to hidden layer */
1552         weston_layer_entry_insert(&ivi->hidden.view_list,
1553                                   &surf->view->layer_link);
1554         weston_compositor_schedule_repaint(ivi->compositor);
1555
1556 }
1557
1558 static void
1559 shell_desktop_activate_app(struct wl_client *client,
1560                            struct wl_resource *shell_res,
1561                            const char *app_id, const char *data,
1562                            struct wl_resource *output_res)
1563 {
1564         struct weston_head *head = weston_head_from_resource(output_res);
1565         struct weston_output *woutput = weston_head_get_output(head);
1566         struct ivi_output *output = to_ivi_output(woutput);
1567
1568         ivi_layout_activate(output, app_id);
1569         shell_advertise_app_state(output->ivi, app_id,
1570                                   data, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
1571 }
1572
1573 static void
1574 shell_deactivate_app(struct wl_client *client,
1575                    struct wl_resource *shell_res,
1576                    const char *app_id)
1577 {
1578         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1579         struct ivi_compositor *ivi = dclient->ivi;
1580
1581         ivi_layout_deactivate(ivi, app_id);
1582         shell_advertise_app_state(ivi, app_id,
1583                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_DEACTIVATED);
1584 }
1585
1586 static void
1587 shell_destroy(struct wl_client *client, struct wl_resource *res)
1588 {
1589         struct  ivi_compositor *ivi = wl_resource_get_user_data(res);
1590
1591         /* reset status in case bind_fail was sent */
1592         if (wl_resource_get_version(res) >= AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1593             ivi->shell_client.status == BOUND_FAILED)
1594                 ivi->shell_client.status = BOUND_OK;
1595 }
1596
1597 static void
1598 shell_set_activate_region(struct wl_client *client, struct wl_resource *res,
1599                          struct wl_resource *output, int x, int y,
1600                          int width, int height)
1601 {
1602        struct ivi_compositor *ivi = wl_resource_get_user_data(res);
1603        struct weston_head *head = weston_head_from_resource(output);
1604        struct weston_output *woutput = weston_head_get_output(head);
1605        struct ivi_output *ioutput = to_ivi_output(woutput);
1606
1607        struct weston_geometry area = { .x = x, .y = y,
1608                                        .width = width,
1609                                        .height = height };
1610        if (ivi->shell_client.ready)
1611                return;
1612
1613        ioutput->area_activation = area;
1614 }
1615
1616 static void
1617 shell_ext_destroy(struct wl_client *client, struct wl_resource *res)
1618 {
1619         wl_resource_destroy(res);
1620 }
1621
1622 static void
1623 shell_ext_doas(struct wl_client *client, struct wl_resource *res)
1624 {
1625         struct  ivi_compositor *ivi = wl_resource_get_user_data(res);
1626
1627         ivi->shell_client_ext.doas_requested = true;
1628         agl_shell_ext_send_doas_done(ivi->shell_client_ext.resource,
1629                                      AGL_SHELL_EXT_DOAS_SHELL_CLIENT_STATUS_SUCCESS);
1630 }
1631
1632 static const struct agl_shell_interface agl_shell_implementation = {
1633         .ready = shell_ready,
1634         .set_background = shell_set_background,
1635         .set_panel = shell_set_panel,
1636         .activate_app = shell_activate_app,
1637         .destroy = shell_destroy,
1638         .set_activate_region = shell_set_activate_region,
1639         .deactivate_app = shell_new_deactivate_app,
1640         .set_app_float = shell_set_app_float,
1641         .set_app_normal = shell_set_app_normal,
1642 };
1643
1644 static const struct agl_shell_ext_interface agl_shell_ext_implementation = {
1645         .destroy = shell_ext_destroy,
1646         .doas_shell_client = shell_ext_doas,
1647 };
1648
1649 static void
1650 shell_desktop_set_app_property(struct wl_client *client,
1651                                struct wl_resource *shell_res,
1652                                const char *app_id, uint32_t role,
1653                                int x, int y, int bx, int by,
1654                                int width, int height,
1655                                struct wl_resource *output_res)
1656 {
1657         struct weston_head *head = weston_head_from_resource(output_res);
1658         struct weston_output *woutput = weston_head_get_output(head);
1659         struct ivi_output *output = to_ivi_output(woutput);
1660
1661         switch (role) {
1662         case AGL_SHELL_DESKTOP_APP_ROLE_POPUP:
1663                 ivi_set_pending_desktop_surface_popup(output, x, y, bx, by,
1664                                                       width, height, app_id);
1665                 break;
1666         case AGL_SHELL_DESKTOP_APP_ROLE_FULLSCREEN:
1667                 ivi_set_pending_desktop_surface_fullscreen(output, app_id);
1668                 break;
1669         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_VERTICAL:
1670         case AGL_SHELL_DESKTOP_APP_ROLE_SPLIT_HORIZONTAL:
1671                 ivi_set_pending_desktop_surface_split(output, app_id, role);
1672                 break;
1673         case AGL_SHELL_DESKTOP_APP_ROLE_REMOTE:
1674                 ivi_set_pending_desktop_surface_remote(output, app_id);
1675                 break;
1676         default:
1677                 break;
1678         }
1679 }
1680
1681 void
1682 ivi_compositor_destroy_pending_surfaces(struct ivi_compositor *ivi)
1683 {
1684         struct pending_popup *p_popup, *next_p_popup;
1685         struct pending_split *split_surf, *next_split_surf;
1686         struct pending_fullscreen *fs_surf, *next_fs_surf;
1687         struct pending_remote *remote_surf, *next_remote_surf;
1688
1689         wl_list_for_each_safe(p_popup, next_p_popup,
1690                               &ivi->popup_pending_apps, link)
1691                 ivi_remove_pending_desktop_surface_popup(p_popup);
1692
1693         wl_list_for_each_safe(split_surf, next_split_surf,
1694                               &ivi->split_pending_apps, link)
1695                 ivi_remove_pending_desktop_surface_split(split_surf);
1696
1697         wl_list_for_each_safe(fs_surf, next_fs_surf,
1698                               &ivi->fullscreen_pending_apps, link)
1699                 ivi_remove_pending_desktop_surface_fullscreen(fs_surf);
1700
1701         wl_list_for_each_safe(remote_surf, next_remote_surf,
1702                               &ivi->remote_pending_apps, link)
1703                 ivi_remove_pending_desktop_surface_remote(remote_surf);
1704 }
1705
1706 static void
1707 shell_desktop_set_app_property_mode(struct wl_client *client,
1708                                     struct wl_resource *shell_res, uint32_t perm)
1709 {
1710         struct desktop_client *dclient = wl_resource_get_user_data(shell_res);
1711         if (perm) {
1712                 dclient->ivi->keep_pending_surfaces = true;
1713         } else {
1714                 dclient->ivi->keep_pending_surfaces = false;
1715                 /* remove any previous pending surfaces */
1716                 ivi_compositor_destroy_pending_surfaces(dclient->ivi);
1717         }
1718 }
1719
1720 static const struct agl_shell_desktop_interface agl_shell_desktop_implementation = {
1721         .activate_app = shell_desktop_activate_app,
1722         .set_app_property = shell_desktop_set_app_property,
1723         .deactivate_app = shell_deactivate_app,
1724         .set_app_property_mode = shell_desktop_set_app_property_mode,
1725 };
1726
1727 static void
1728 unbind_agl_shell(struct wl_resource *resource)
1729 {
1730         struct ivi_compositor *ivi;
1731         struct ivi_output *output;
1732         struct ivi_surface *surf, *surf_tmp;
1733
1734         ivi = wl_resource_get_user_data(resource);
1735
1736         /* reset status to allow other clients issue legit requests */
1737         if (wl_resource_get_version(resource) >=
1738             AGL_SHELL_BOUND_OK_SINCE_VERSION &&
1739             ivi->shell_client.status == BOUND_FAILED) {
1740                 ivi->shell_client.status = BOUND_OK;
1741                 return;
1742         }
1743
1744         wl_list_for_each(output, &ivi->outputs, link) {
1745                 struct weston_geometry area = {};
1746
1747                 /* reset the active surf if there's one present */
1748                 if (output->active) {
1749                         output->active->view->is_mapped = false;
1750                         output->active->view->surface->is_mapped = false;
1751
1752                         weston_layer_entry_remove(&output->active->view->layer_link);
1753                         output->active = NULL;
1754                 }
1755
1756                 output->area_activation = area;
1757                 insert_black_curtain(output);
1758         }
1759
1760         wl_list_for_each_safe(surf, surf_tmp, &ivi->surfaces, link) {
1761                 wl_list_remove(&surf->link);
1762                 wl_list_init(&surf->link);
1763         }
1764
1765         wl_list_for_each_safe(surf, surf_tmp, &ivi->pending_surfaces, link) {
1766                 wl_list_remove(&surf->link);
1767                 wl_list_init(&surf->link);
1768         }
1769
1770         wl_list_init(&ivi->surfaces);
1771         wl_list_init(&ivi->pending_surfaces);
1772
1773         ivi->shell_client.ready = false;
1774         ivi->shell_client.resource = NULL;
1775         ivi->shell_client.client = NULL;
1776 }
1777
1778 static void
1779 unbind_agl_shell_ext(struct wl_resource *resource)
1780 {
1781         struct ivi_compositor *ivi = wl_resource_get_user_data(resource);
1782
1783         ivi->shell_client_ext.resource = NULL;
1784 }
1785
1786 static void
1787 bind_agl_shell(struct wl_client *client,
1788                void *data, uint32_t version, uint32_t id)
1789 {
1790         struct ivi_compositor *ivi = data;
1791         struct wl_resource *resource;
1792         struct ivi_policy *policy;
1793         void *interface;
1794
1795         policy = ivi->policy;
1796         interface = (void *) &agl_shell_interface;
1797         if (policy && policy->api.shell_bind_interface &&
1798             !policy->api.shell_bind_interface(client, interface)) {
1799                 wl_client_post_implementation_error(client,
1800                                        "client not authorized to use agl_shell");
1801                 return;
1802         }
1803
1804         resource = wl_resource_create(client, &agl_shell_interface, version, id);
1805         if (!resource) {
1806                 wl_client_post_no_memory(client);
1807                 return;
1808         }
1809
1810         if (ivi->shell_client.resource) {
1811                 if (wl_resource_get_version(resource) == 1) {
1812                         wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1813                                                "agl_shell has already been bound");
1814                         return;
1815                 }
1816
1817                 if (ivi->shell_client_ext.resource && 
1818                     ivi->shell_client_ext.doas_requested) {
1819
1820                         /* reset status in case client-ext doesn't send an
1821                          * explicit agl_shell_destroy request, see
1822                          * shell_destroy() */
1823                         if (ivi->shell_client.status == BOUND_FAILED)
1824                                 ivi->shell_client.status = BOUND_OK;
1825
1826                         wl_resource_set_implementation(resource, &agl_shell_implementation,
1827                                                        ivi, NULL);
1828                         ivi->shell_client.resource_ext = resource;
1829
1830                         ivi->shell_client_ext.status = BOUND_OK;
1831                         agl_shell_send_bound_ok(ivi->shell_client.resource_ext);
1832
1833                         return;
1834                 } else {
1835                         wl_resource_set_implementation(resource, &agl_shell_implementation,
1836                                                        ivi, NULL);
1837                         agl_shell_send_bound_fail(resource);
1838                         ivi->shell_client.status = BOUND_FAILED;
1839                         return;
1840                 }
1841         }
1842
1843
1844         if (wl_resource_get_version(resource) >=
1845             AGL_SHELL_BOUND_OK_SINCE_VERSION) {
1846                 wl_resource_set_implementation(resource, &agl_shell_implementation,
1847                                                ivi, unbind_agl_shell);
1848                 ivi->shell_client.resource = resource;
1849                 /* if we land here we'll have BOUND_OK by default,
1850                    but still do the assignment */
1851                 ivi->shell_client.status = BOUND_OK;
1852                 agl_shell_send_bound_ok(ivi->shell_client.resource);
1853         } else {
1854                 /* fallback for just version 1 of the protocol */
1855                 wl_resource_set_implementation(resource, &agl_shell_implementation,
1856                                                ivi, unbind_agl_shell);
1857                 ivi->shell_client.resource = resource;
1858         }
1859 }
1860
1861 static void
1862 bind_agl_shell_ext(struct wl_client *client,
1863                    void *data, uint32_t version, uint32_t id)
1864 {
1865         struct ivi_compositor *ivi = data;
1866         struct wl_resource *resource;
1867
1868         resource = wl_resource_create(client, &agl_shell_ext_interface, version, id);
1869         if (!resource) {
1870                 wl_client_post_no_memory(client);
1871                 return;
1872         }
1873
1874         if (ivi->shell_client_ext.resource) {
1875                 wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
1876                                        "agl_shell_ext has already been bound");
1877                 return;
1878         }
1879
1880         wl_resource_set_implementation(resource, &agl_shell_ext_implementation,
1881                                        ivi, unbind_agl_shell_ext);
1882         ivi->shell_client_ext.resource = resource;
1883 }
1884
1885 static void
1886 unbind_agl_shell_desktop(struct wl_resource *resource)
1887 {
1888         struct desktop_client *dclient = wl_resource_get_user_data(resource);
1889
1890         wl_list_remove(&dclient->link);
1891         free(dclient);
1892 }
1893
1894 static void
1895 bind_agl_shell_desktop(struct wl_client *client,
1896                        void *data, uint32_t version, uint32_t id)
1897 {
1898         struct ivi_compositor *ivi = data;
1899         struct wl_resource *resource;
1900         struct ivi_policy *policy;
1901         struct desktop_client *dclient;
1902         void *interface;
1903
1904         policy = ivi->policy;
1905         interface  = (void *) &agl_shell_desktop_interface;
1906         if (policy && policy->api.shell_bind_interface &&
1907             !policy->api.shell_bind_interface(client, interface)) {
1908                 wl_client_post_implementation_error(client,
1909                                 "client not authorized to use agl_shell_desktop");
1910                 return;
1911         }
1912
1913         dclient = zalloc(sizeof(*dclient));
1914         if (!dclient) {
1915                 wl_client_post_no_memory(client);
1916                 return;
1917         }
1918
1919         resource = wl_resource_create(client, &agl_shell_desktop_interface,
1920                                       version, id);
1921         dclient->ivi = ivi;
1922         if (!resource) {
1923                 wl_client_post_no_memory(client);
1924                 return;
1925         }
1926
1927         wl_resource_set_implementation(resource, &agl_shell_desktop_implementation,
1928                                        dclient, unbind_agl_shell_desktop);
1929
1930         dclient->resource = resource;
1931         wl_list_insert(&ivi->desktop_clients, &dclient->link);
1932
1933         /* advertise xdg surfaces */
1934         ivi_shell_advertise_xdg_surfaces(ivi, resource);
1935 }
1936
1937 int
1938 ivi_shell_create_global(struct ivi_compositor *ivi)
1939 {
1940         ivi->agl_shell = wl_global_create(ivi->compositor->wl_display,
1941                                           &agl_shell_interface, 6,
1942                                           ivi, bind_agl_shell);
1943         if (!ivi->agl_shell) {
1944                 weston_log("Failed to create wayland global.\n");
1945                 return -1;
1946         }
1947
1948         ivi->agl_shell_ext = wl_global_create(ivi->compositor->wl_display,
1949                                               &agl_shell_ext_interface, 1,
1950                                               ivi, bind_agl_shell_ext);
1951         if (!ivi->agl_shell_ext) {
1952                 weston_log("Failed to create agl_shell_ext global.\n");
1953                 return -1;
1954         }
1955
1956         ivi->agl_shell_desktop = wl_global_create(ivi->compositor->wl_display,
1957                                                   &agl_shell_desktop_interface, 2,
1958                                                   ivi, bind_agl_shell_desktop);
1959         if (!ivi->agl_shell_desktop) {
1960                 weston_log("Failed to create wayland global (agl_shell_desktop).\n");
1961                 return -1;
1962         }
1963
1964         return 0;
1965 }