layout: Check against app_id being valid
[src/agl-compositor.git] / src / layout.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 #include "shared/helpers.h"
29
30 #include <assert.h>
31 #include <string.h>
32
33 #include <libweston/config-parser.h>
34 #include <libweston/libweston.h>
35 #include <libweston-desktop/libweston-desktop.h>
36
37 #include "agl-shell-desktop-server-protocol.h"
38
39 #define AGL_COMP_DEBUG
40
41 static const char *ivi_roles_as_string[] = {
42         [IVI_SURFACE_ROLE_NONE]         = "NONE",
43         [IVI_SURFACE_ROLE_BACKGROUND]   = "BACKGROUND",
44         [IVI_SURFACE_ROLE_PANEL]        = "PANEL",
45         [IVI_SURFACE_ROLE_DESKTOP]      = "DESKTOP",
46         [IVI_SURFACE_ROLE_POPUP]        = "POPUP",
47         [IVI_SURFACE_ROLE_SPLIT_H]      = "SPLIT_H",
48         [IVI_SURFACE_ROLE_SPLIT_V]      = "SPLIT_V",
49         [IVI_SURFACE_ROLE_FULLSCREEN]   = "FULLSCREEN",
50         [IVI_SURFACE_ROLE_REMOTE]       = "REMOTE",
51 };
52
53 bool
54 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface);
55
56 const char *
57 ivi_layout_get_surface_role_name(struct ivi_surface *surf)
58 {
59         if (surf->role < 0 || surf->role >= ARRAY_LENGTH(ivi_roles_as_string))
60                 return " unknown surface role";
61
62         return ivi_roles_as_string[surf->role];
63 }
64
65 static void
66 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
67 {
68         struct weston_output *woutput = output->output;
69         struct ivi_surface *bg = output->background;
70         struct weston_view *view;
71
72         if (!bg) {
73                 weston_log("WARNING: Output does not have a background\n");
74                 return;
75         }
76
77         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
78
79         view = bg->view;
80
81         weston_view_set_output(view, woutput);
82         weston_view_set_position(view, woutput->x, woutput->y);
83
84         weston_log("(background) position view %p, x %d, y %d, on output %s\n", view,
85                         woutput->x, woutput->y, output->name);
86
87         view->is_mapped = true;
88         view->surface->is_mapped = true;
89
90         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
91 }
92
93 static void
94 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
95                struct ivi_surface *panel)
96 {
97         struct weston_output *woutput = output->output;
98         struct weston_desktop_surface *dsurface;
99         struct weston_view *view;
100         struct weston_geometry geom;
101         int x = woutput->x;
102         int y = woutput->y;
103
104         if (!panel)
105                 return;
106
107         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
108         dsurface = panel->dsurface;
109         view = panel->view;
110         geom = weston_desktop_surface_get_geometry(dsurface);
111
112         weston_log("(panel) geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
113                         geom.width, geom.height, geom.x, geom.y);
114
115         switch (panel->panel.edge) {
116         case AGL_SHELL_EDGE_TOP:
117                 output->area.y += geom.height;
118                 output->area.height -= geom.height;
119                 break;
120         case AGL_SHELL_EDGE_BOTTOM:
121                 y += woutput->height - geom.height;
122                 output->area.height -= geom.height;
123                 break;
124         case AGL_SHELL_EDGE_LEFT:
125                 output->area.x += geom.width;
126                 output->area.width -= geom.width;
127                 break;
128         case AGL_SHELL_EDGE_RIGHT:
129                 x += woutput->width - geom.width;
130                 output->area.width -= geom.width;
131                 break;
132         }
133
134         x -= geom.x;
135         y -= geom.y;
136
137         weston_view_set_output(view, woutput);
138         weston_view_set_position(view, x, y);
139
140         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
141                         panel->panel.edge, view, x, y);
142
143         view->is_mapped = true;
144         view->surface->is_mapped = true;
145
146         weston_log("panel type %d inited on output %s\n", panel->panel.edge,
147                         output->name);
148
149         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
150 }
151
152 /*
153  * Initializes all static parts of the layout, i.e. the background and panels.
154  */
155 void
156 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
157 {
158         bool use_default_area = true;
159         struct weston_config_section *section = output->config;
160         char *t;
161
162         weston_config_section_get_string(section, "activation-area", &t, NULL);
163         if (t) {
164                 if (output->area_activation.width == 0 &&
165                     output->area_activation.height == 0 &&
166                     output->area_activation.x == 0 &&
167                     output->area_activation.y == 0) {
168                         weston_log("WARNING: activation-area set in "
169                                         "configuration file, but yet applied!\n");
170                         if (parse_activation_area(t, output) < 0)
171                                 weston_log("Invalid activation-area \"%s\" for output %s\n",
172                                            t, output->name);
173                 } else {
174                         weston_log("WARNING: activation-area detected in ini file, "
175                                         "but agl_shell override detected!\n");
176                         if (parse_activation_area(t, output) < 0)
177                                 weston_log("Invalid activation-area \"%s\" for output %s\n",
178                                            t, output->name);
179                 }
180         }
181         free(t);
182
183         ivi_background_init(ivi, output);
184
185         if (output->area_activation.width ||
186             output->area_activation.height ||
187             output->area_activation.x ||
188             output->area_activation.y) {
189                 /* Sanity check target area is within output bounds */
190                 if ((output->area_activation.x + output->area_activation.width) < output->output->width ||
191                     (output->area_activation.y + output->area_activation.height) < output->output->height) {
192                         weston_log("Using specified area for output %s, ignoring panels\n",
193                                    output->name);
194                         output->area.x = output->area_activation.x;
195                         output->area.y = output->area_activation.y;
196                         output->area.width = output->area_activation.width;
197                         output->area.height = output->area_activation.height;
198                         use_default_area = false;
199                 } else {
200                         weston_log("Invalid activation-area position for output %s, ignoring\n",
201                                    output->name);
202                 }
203         }
204         if (use_default_area) {
205                 output->area.x = 0;
206                 output->area.y = 0;
207                 output->area.width = output->output->width;
208                 output->area.height = output->output->height;
209
210                 ivi_panel_init(ivi, output, output->top);
211                 ivi_panel_init(ivi, output, output->bottom);
212                 ivi_panel_init(ivi, output, output->left);
213                 ivi_panel_init(ivi, output, output->right);
214         }
215
216         weston_compositor_schedule_repaint(ivi->compositor);
217
218         weston_log("Usable area: %dx%d+%d,%d\n",
219                    output->area.width, output->area.height,
220                    output->area.x, output->area.y);
221 }
222
223 struct ivi_surface *
224 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
225 {
226         struct ivi_surface *surf;
227         const char *id;
228
229         wl_list_for_each(surf, &ivi->surfaces, link) {
230                 id = weston_desktop_surface_get_app_id(surf->dsurface);
231                 if (id && strcmp(app_id, id) == 0)
232                         return surf;
233         }
234
235         return NULL;
236 }
237
238 static void
239 ivi_layout_activate_complete(struct ivi_output *output,
240                              struct ivi_surface *surf)
241 {
242         struct ivi_compositor *ivi = output->ivi;
243         struct weston_output *woutput = output->output;
244         struct weston_view *view = surf->view;
245         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
246         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
247         const char *app_id = weston_desktop_surface_get_app_id(surf->dsurface);
248         bool update_previous = true;
249
250         if (weston_view_is_mapped(view)) {
251                 weston_layer_entry_remove(&view->layer_link);
252         } else {
253                 weston_view_update_transform(view);
254         }
255
256         if (output_has_black_curtain(output)) {
257                 if (!output->background) {
258                         weston_log("Found that we have no background surface "
259                                     "for output %s. Using black curtain as background\n",
260                                     output->output->name);
261
262                         struct weston_view *ev =
263                                 output->fullscreen_view.fs->view;
264
265                         /* use the black curtain as background when we have
266                          * none added by the shell client. */
267                         weston_layer_entry_remove(&ev->layer_link);
268                         weston_layer_entry_insert(&ivi->normal.view_list,
269                                                   &ev->layer_link);
270                         weston_view_geometry_dirty(ev);
271                         weston_surface_damage(ev->surface);
272                 } else {
273                         remove_black_curtain(output);
274                 }
275         }
276
277
278         weston_view_set_output(view, woutput);
279         /* drop any previous masks set on this view */
280         weston_view_set_mask_infinite(view);
281
282         if (surf->role != IVI_SURFACE_ROLE_BACKGROUND)
283                 weston_view_set_position(view,
284                                          woutput->x + output->area.x,
285                                          woutput->y + output->area.y);
286
287         view->is_mapped = true;
288         surf->mapped = true;
289         view->surface->is_mapped = true;
290
291         /* handle a movement from one output to another */
292         if (surf->current_completed_output &&
293             surf->current_completed_output != output) {
294
295                 /* we're migrating the same surface but to another output */
296                 if (surf->current_completed_output->active == surf) {
297                         struct weston_view *ev =
298                                 surf->current_completed_output->active->view;
299
300                         weston_layer_entry_remove(&ev->layer_link);
301                         surf->current_completed_output->previous_active =
302                                 surf->current_completed_output->active;
303                         surf->current_completed_output->active = NULL;
304
305                         /* damage all possible outputs to avoid stale views */
306                         weston_compositor_damage_all(ivi->compositor);
307                 }
308         }
309
310         if (output->active) {
311                 /* keep the background surface mapped at all times */
312                 if (output->active->role != IVI_SURFACE_ROLE_BACKGROUND) {
313                         output->active->view->is_mapped = false;
314                         output->active->view->surface->is_mapped = false;
315
316                         weston_layer_entry_remove(&output->active->view->layer_link);
317                 }
318         }
319
320         if (output->previous_active && output->active) {
321                 const char *c_app_id =
322                         weston_desktop_surface_get_app_id(output->active->dsurface);
323
324                 /* if the currently activated app_id is the same as the one
325                  * we're trying to complete activation with means we're
326                  * operating on the same app_id so do update previous_active as
327                  * it will overwrite it with the same value */
328                 if (app_id && !strcmp(c_app_id, app_id)) {
329                         update_previous = false;
330                 }
331         }
332
333         if (update_previous)
334                 output->previous_active = output->active;
335         output->active = surf;
336         surf->current_completed_output = output;
337
338         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
339         weston_view_geometry_dirty(view);
340         weston_surface_damage(view->surface);
341
342         if (ivi_seat)
343                 ivi_shell_activate_surface(surf, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
344
345         /*
346          * the 'remote' role now makes use of this part so make sure we don't
347          * trip the enum such that we might end up with a modified output for
348          * 'remote' role
349          */
350         if (surf->role == IVI_SURFACE_ROLE_DESKTOP) {
351                 if (surf->desktop.pending_output)
352                         surf->desktop.last_output = surf->desktop.pending_output;
353                 surf->desktop.pending_output = NULL;
354         }
355
356         weston_log("Activation completed for app_id %s, role %s, output %s\n",
357                         app_id,
358                         ivi_layout_get_surface_role_name(surf), output->name);
359
360         shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_ACTIVATED);
361 }
362
363 static bool
364 ivi_layout_find_output_with_app_id(const char *app_id, struct ivi_output *output)
365 {
366         char *cur;
367         size_t app_id_len;
368
369         cur = output->app_ids;
370         app_id_len = strlen(app_id);
371
372         while ((cur = strstr(cur, app_id))) {
373                 if ((cur[app_id_len] == ',' || cur[app_id_len] == '\0') &&
374                     (cur == output->app_ids || cur[-1] == ','))
375                         return true;
376                 cur++;
377         }
378
379         return false;
380 }
381
382 struct ivi_output *
383 ivi_layout_find_with_app_id(const char *app_id, struct ivi_compositor *ivi)
384 {
385         struct ivi_output *out;
386
387         if (!app_id)
388                 return NULL;
389
390         wl_list_for_each(out, &ivi->outputs, link) {
391                 if (!out->app_ids)
392                         continue;
393
394                 if (ivi_layout_find_output_with_app_id(app_id, out))
395                         return out;
396         }
397         return NULL;
398 }
399
400 struct ivi_output *
401 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
402 {
403         struct ivi_output *out;
404
405         wl_list_for_each(out, &ivi->outputs, link) {
406                 if (out->background &&
407                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
408                         return out;
409         }
410
411         return NULL;
412 }
413
414
415 static void
416 ivi_layout_add_to_hidden_layer(struct ivi_surface *surf,
417                                struct ivi_output *ivi_output)
418 {
419         struct weston_desktop_surface *dsurf = surf->dsurface;
420         struct weston_view *ev = surf->view;
421         struct ivi_compositor *ivi = surf->ivi;
422         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
423
424         /*
425          * If the view isn't mapped, we put it onto the hidden layer so it will
426          * start receiving frame events, and will be able to act on our
427          * configure event.
428          */
429         if (!weston_view_is_mapped(ev)) {
430                 ev->is_mapped = true;
431                 ev->surface->is_mapped = true;
432
433                 weston_desktop_surface_set_maximized(dsurf, true);
434                 weston_desktop_surface_set_size(dsurf,
435                                                 ivi_output->area.width,
436                                                 ivi_output->area.height);
437
438                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
439                            app_id, ivi_layout_get_surface_role_name(surf),
440                            ivi_output->area.width, ivi_output->area.height);
441
442                 surf->hidden_layer_output = ivi_output;
443                 weston_view_set_output(ev, ivi_output->output);
444                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
445                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
446                                 app_id, ivi_layout_get_surface_role_name(surf),
447                                 ivi_output->output->name);
448
449                 weston_compositor_schedule_repaint(ivi->compositor);
450                 return;
451         }
452
453         /* we might have another output to activate */
454         if (surf->hidden_layer_output &&
455             surf->hidden_layer_output != ivi_output) {
456                 weston_layer_entry_remove(&ev->layer_link);
457                 weston_view_geometry_dirty(ev);
458                 weston_surface_damage(ev->surface);
459
460                 if (ivi_output->area.width != surf->hidden_layer_output->area.width ||
461                     ivi_output->area.height != surf->hidden_layer_output->area.height) {
462                         weston_desktop_surface_set_maximized(dsurf, true);
463                         weston_desktop_surface_set_size(dsurf,
464                                                         ivi_output->area.width,
465                                                         ivi_output->area.height);
466                 }
467
468                 weston_log("Setting app_id %s, role %s, set to maximized (%dx%d)\n",
469                                 app_id, ivi_layout_get_surface_role_name(surf),
470                                 ivi_output->area.width, ivi_output->area.height);
471
472                 surf->hidden_layer_output = ivi_output;
473                 weston_view_set_output(ev, ivi_output->output);
474                 weston_layer_entry_insert(&ivi->hidden.view_list, &ev->layer_link);
475                 weston_log("Placed app_id %s, type %s in hidden layer on output %s\n",
476                                 app_id, ivi_layout_get_surface_role_name(surf),
477                                 ivi_output->output->name);
478         }
479
480         weston_compositor_schedule_repaint(ivi->compositor);
481 }
482
483 void
484 ivi_layout_remote_committed(struct ivi_surface *surf)
485 {
486         struct weston_desktop_surface *dsurf = surf->dsurface;
487         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
488         struct ivi_policy *policy = surf->ivi->policy;
489         struct ivi_output *output;
490         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
491
492         assert(surf->role == IVI_SURFACE_ROLE_REMOTE);
493
494         output = surf->remote.output;
495
496         if (policy && policy->api.surface_activate_by_default &&
497             !policy->api.surface_activate_by_default(surf, surf->ivi))
498                 return;
499
500         /* we can only activate it again by using the protocol, but
501          * additionally the output is not reset when
502          * ivi_layout_activate_complete() terminates so we use the
503          * current active surface to avoid hitting this again and again
504          * */
505         if (surf->mapped && output->active == surf)
506                 return;
507
508         if (!surf->ivi->activate_by_default &&
509             !ivi_surf_in_hidden_layer(surf->ivi, surf)) {
510                 weston_log("Refusing to activate surface role %d, "
511                             "app_id %s\n", surf->role, app_id);
512
513                 if (!weston_desktop_surface_get_maximized(dsurf) ||
514                     geom.width != output->area.width ||
515                     geom.height != output->area.height) {
516                         ivi_layout_add_to_hidden_layer(surf, output);
517                 }
518
519                 return;
520         }
521
522         if (!weston_desktop_surface_get_maximized(dsurf) ||
523             geom.width != output->area.width ||
524             geom.height != output->area.height)
525                 return;
526
527         ivi_layout_activate_complete(output, surf);
528 }
529
530 void
531 ivi_layout_desktop_committed(struct ivi_surface *surf)
532 {
533         struct weston_desktop_surface *dsurf = surf->dsurface;
534         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
535         struct ivi_policy *policy = surf->ivi->policy;
536         struct ivi_output *output;
537         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
538
539         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
540
541         /*
542          * we can't make use here of the ivi_layout_get_output_from_surface()
543          * due to the fact that we'll always land here when a surface performs
544          * a commit and pending_output will not bet set. This works in tandem
545          * with 'mapped' at this point to avoid tripping over
546          * to a surface that continuously updates its content
547          */
548         output = surf->desktop.pending_output;
549
550         if (!output) {
551                 struct ivi_output *r_output;
552
553                 if (policy && policy->api.surface_activate_by_default &&
554                     !policy->api.surface_activate_by_default(surf, surf->ivi))
555                         return;
556
557                 /* we can only activate it again by using the protocol */
558                 if (surf->mapped)
559                         return;
560
561                 /* check first if there aren't any outputs being set */
562                 r_output = ivi_layout_find_with_app_id(app_id, surf->ivi);
563
564                 if (r_output) {
565                         struct weston_view *view = r_output->fullscreen_view.fs->view;
566                         if (view->is_mapped || view->surface->is_mapped)
567                                 remove_black_curtain(r_output);
568                 }
569
570
571                 /* try finding an output with a background and use that */
572                 if (!r_output)
573                         r_output = ivi_layout_find_bg_output(surf->ivi);
574
575                 /* if we couldn't still find an output by this point, there's
576                  * something wrong so we abort with a protocol error */
577                 if (!r_output) {
578                         wl_resource_post_error(surf->ivi->shell_client.resource,
579                                                AGL_SHELL_ERROR_INVALID_ARGUMENT,
580                                                "No valid output found to activate surface by default");
581                         return;
582                 }
583
584                 if (!surf->ivi->activate_by_default &&
585                     (!surf->xwayland.is_set && !is_shell_surface_xwayland(surf))) {
586                         weston_log("Refusing to activate surface role %d, app_id %s, type %s\n",
587                                         surf->role, app_id,
588                                         is_shell_surface_xwayland(surf) ?
589                                         "xwayland" : "regular");
590
591                         if (!weston_desktop_surface_get_maximized(dsurf) ||
592                             geom.width != r_output->area.width ||
593                             geom.height != r_output->area.height)
594                                 ivi_layout_add_to_hidden_layer(surf, r_output);
595
596                         return;
597                 }
598
599                 /* use the output of the bg to activate the app on start-up by
600                  * default */
601                 if (surf->view && r_output) {
602                         if (app_id && r_output) {
603                                 weston_log("Surface with app_id %s, role %s activating by default\n",
604                                         weston_desktop_surface_get_app_id(surf->dsurface),
605                                         ivi_layout_get_surface_role_name(surf));
606                                 ivi_layout_activate(r_output, app_id);
607                         } else if (!app_id) {
608                                 /*
609                                  * applications not setting an app_id, or
610                                  * setting an app_id but at a later point in
611                                  * time, might fall-back here so give them a
612                                  * chance to receive the configure event and
613                                  * act upon it
614                                  */
615                                 weston_log("Surface no app_id, role %s activating by default\n",
616                                         ivi_layout_get_surface_role_name(surf));
617                                 if (surf->xwayland.is_set || is_shell_surface_xwayland(surf)) {
618                                         ivi_layout_activate_by_surf(r_output, surf);
619                                         ivi_layout_activate_complete(r_output, surf);
620                                 } else {
621                                         ivi_layout_activate_by_surf(r_output, surf);
622                                 }
623                         }
624                 }
625
626                 return;
627         }
628
629         if (!weston_desktop_surface_get_maximized(dsurf) ||
630             geom.width != output->area.width ||
631             geom.height != output->area.height)
632                 return;
633
634         ivi_layout_activate_complete(output, surf);
635 }
636
637 void
638 ivi_layout_fullscreen_committed(struct ivi_surface *surface)
639 {
640         struct ivi_compositor *ivi = surface->ivi;
641         struct ivi_policy *policy = ivi->policy;
642
643         struct weston_desktop_surface *dsurface = surface->dsurface;
644         struct weston_surface *wsurface =
645                 weston_desktop_surface_get_surface(dsurface);
646         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
647
648         struct ivi_output *output = surface->split.output;
649         struct weston_output *woutput = output->output;
650         struct ivi_output *bg_output = ivi_layout_find_bg_output(ivi);
651
652         struct weston_view *view = surface->view;
653         struct weston_geometry geom =
654                 weston_desktop_surface_get_geometry(dsurface);
655
656         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
657         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
658
659         bool is_fullscreen = weston_desktop_surface_get_fullscreen(dsurface);
660         bool is_dim_same =
661                 geom.width == bg_output->output->width &&
662                 geom.height == bg_output->output->height;
663
664         if (policy && policy->api.surface_activate_by_default &&
665             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
666             !surface->mapped)
667                 return;
668
669         assert(surface->role == IVI_SURFACE_ROLE_FULLSCREEN);
670
671
672         if (surface->state == FULLSCREEN && weston_view_is_mapped(view))
673                 return;
674
675         /* if we still get here but we haven't resized so far, send configure
676          * events to do so */
677         if (surface->state != RESIZING && (!is_fullscreen || !is_dim_same)) {
678                 struct ivi_output *bg_output =
679                         ivi_layout_find_bg_output(surface->ivi);
680
681                 weston_log("Placing fullscreen app_id %s, type %s in hidden layer\n",
682                                 app_id, ivi_layout_get_surface_role_name(surface));
683                 weston_desktop_surface_set_fullscreen(dsurface, true);
684                 weston_desktop_surface_set_size(dsurface,
685                                                 bg_output->output->width,
686                                                 bg_output->output->height);
687
688                 surface->state = RESIZING;
689                 weston_view_set_output(view, output->output);
690                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
691                 return;
692         }
693
694         /* eventually, we would set the surface fullscreen, but the client
695          * hasn't resized correctly by this point, so terminate connection */
696         if (surface->state == RESIZING && is_fullscreen && !is_dim_same) {
697                 struct weston_desktop_client *desktop_client =
698                         weston_desktop_surface_get_client(dsurface);
699                 struct wl_client *client =
700                         weston_desktop_client_get_client(desktop_client);
701                 wl_client_post_implementation_error(client,
702                                 "can not display surface due to invalid geometry."
703                                 " Client should perform a geometry resize!");
704                 return;
705         }
706
707         /* this implies we resized correctly */
708         if (!weston_view_is_mapped(view) || surface->state != FULLSCREEN) {
709                 weston_layer_entry_remove(&view->layer_link);
710
711                 weston_view_set_output(view, woutput);
712                 weston_view_set_position(view, woutput->x, woutput->y);
713                 weston_layer_entry_insert(&ivi->fullscreen.view_list, &view->layer_link);
714
715                 wsurface->is_mapped = true;
716                 surface->view->is_mapped = true;
717                 surface->state = FULLSCREEN;
718
719                 weston_view_geometry_dirty(view);
720                 weston_surface_damage(view->surface);
721
722                 if (ivi_seat)
723                         ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
724
725                 shell_advertise_app_state(ivi, app_id,
726                                 NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
727
728                 weston_log("Activation completed for app_id %s, role %s, "
729                            "output %s\n", app_id,
730                            ivi_layout_get_surface_role_name(surface),
731                            output->name);
732
733         }
734 }
735
736 void
737 ivi_layout_desktop_resize(struct ivi_surface *surface,
738                           struct weston_geometry area)
739 {
740         struct weston_desktop_surface *dsurf = surface->dsurface;
741         struct weston_view *view = surface->view;
742
743         int x = area.x;
744         int y = area.y;
745         int width = area.width;
746         int height = area.height;
747
748         weston_desktop_surface_set_size(dsurf,
749                                         width, height);
750
751         weston_view_set_position(view, x, y);
752
753         weston_view_geometry_dirty(view);
754         weston_surface_damage(view->surface);
755 }
756
757 void
758 ivi_layout_split_committed(struct ivi_surface *surface)
759 {
760         struct ivi_compositor *ivi = surface->ivi;
761         struct ivi_policy *policy = ivi->policy;
762
763         struct weston_desktop_surface *dsurface = surface->dsurface;
764         struct weston_surface *wsurface =
765                 weston_desktop_surface_get_surface(dsurface);
766         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
767
768         struct ivi_output *output = surface->split.output;
769         struct weston_output *woutput = output->output;
770
771         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
772         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
773
774         struct weston_view *view = surface->view;
775         struct weston_geometry geom;
776
777         int x, y;
778         int width, height;
779
780         x = woutput->x;
781         y = woutput->y;
782
783         if (policy && policy->api.surface_activate_by_default &&
784             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
785             !surface->mapped)
786                 return;
787
788         if (surface->view->is_mapped)
789                 return;
790
791         geom = weston_desktop_surface_get_geometry(dsurface);
792
793         assert(surface->role == IVI_SURFACE_ROLE_SPLIT_H ||
794                surface->role == IVI_SURFACE_ROLE_SPLIT_V);
795
796         /* save the previous area in order to recover it back when if this kind
797          * of surface is being destroyed/removed */
798         output->area_saved = output->area;
799
800         switch (surface->role) {
801         case IVI_SURFACE_ROLE_SPLIT_V:
802                 geom.width = (output->area.width / 2);
803
804                 x += woutput->width - geom.width;
805                 output->area.width -= geom.width;
806
807                 width = woutput->width - x;
808                 height = output->area.height;
809                 y = output->area.y;
810
811                 break;
812         case IVI_SURFACE_ROLE_SPLIT_H:
813                 geom.height = (output->area.height / 2);
814
815                 y = output->area.y;
816                 output->area.y += geom.height;
817                 output->area.height -= geom.height;
818
819                 width = output->area.width;
820                 height = output->area.height;
821
822                 x = output->area.x;
823
824                 break;
825         default:
826                 assert(!"Invalid split orientation\n");
827         }
828
829         weston_desktop_surface_set_size(dsurface,
830                                         width, height);
831
832         /* resize the active surface first, output->area already contains
833          * correct area to resize to */
834         if (output->active)
835                 ivi_layout_desktop_resize(output->active, output->area);
836
837         weston_view_set_output(view, woutput);
838         weston_view_set_position(view, x, y);
839         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
840
841         weston_view_geometry_dirty(view);
842         weston_surface_damage(view->surface);
843
844         if (ivi_seat)
845                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
846
847         wsurface->is_mapped = true;
848         surface->view->is_mapped = true;
849
850         shell_advertise_app_state(ivi, app_id,
851                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
852
853         weston_log("Activation completed for app_id %s, role %s, output %s\n",
854                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
855 }
856
857 static void
858 ivi_compute_popup_position(const struct weston_output *output, struct weston_view *view,
859                            int initial_x, int initial_y, int *new_x, int *new_y)
860 {
861         *new_x = output->x + initial_x;
862         *new_y = output->y + initial_y;
863 }
864
865
866 bool
867 ivi_surf_in_hidden_layer(struct ivi_compositor *ivi, struct ivi_surface *surface)
868 {
869         struct weston_view *ev;
870
871         wl_list_for_each(ev, &ivi->hidden.view_list.link, layer_link.link) {
872                 if (ev == surface->view)
873                         return true;
874         }
875
876         wl_list_for_each(ev, &ivi->fullscreen.view_list.link, layer_link.link) {
877                 if (ev == surface->view)
878                         return true;
879         }
880
881         return false;
882 }
883
884 void
885 ivi_layout_popup_committed(struct ivi_surface *surface)
886 {
887         struct ivi_compositor *ivi = surface->ivi;
888         struct ivi_policy *policy = ivi->policy;
889
890         struct weston_desktop_surface *dsurface = surface->dsurface;
891         struct weston_surface *wsurface =
892                 weston_desktop_surface_get_surface(dsurface);
893         const char *app_id = weston_desktop_surface_get_app_id(dsurface);
894
895         int new_x, new_y;
896
897         struct ivi_output *output = surface->popup.output;
898         struct weston_output *woutput = output->output;
899
900         struct weston_seat *wseat = get_ivi_shell_weston_first_seat(ivi);
901         struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(wseat);
902
903         struct weston_view *view = surface->view;
904
905         if (policy && policy->api.surface_activate_by_default &&
906             !policy->api.surface_activate_by_default(surface, surface->ivi) &&
907             !surface->mapped)
908                 return;
909
910         if (surface->view->is_mapped || surface->state == HIDDEN)
911                 return;
912
913         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
914
915         /* remove it from hidden layer if present */
916         if (ivi_surf_in_hidden_layer(ivi, surface))
917                 weston_layer_entry_remove(&view->layer_link);
918
919         weston_view_set_output(view, woutput);
920
921         ivi_compute_popup_position(woutput, view,
922                                    surface->popup.x, surface->popup.y, &new_x, &new_y);
923         weston_view_set_position(view, new_x, new_y);
924         weston_view_update_transform(view);
925
926         /* only clip the pop-up dialog window if we have a valid
927          * width and height being passed on. Users might not want to have one
928          * set-up so only enfore it is really passed on. */
929         if (surface->popup.bb.width > 0 && surface->popup.bb.height > 0)
930                 weston_view_set_mask(view, surface->popup.bb.x, surface->popup.bb.y,
931                                      surface->popup.bb.width, surface->popup.bb.height);
932
933         weston_layer_entry_insert(&ivi->popup.view_list, &view->layer_link);
934
935         weston_view_geometry_dirty(view);
936         weston_surface_damage(view->surface);
937
938         if (ivi_seat)
939                 ivi_shell_activate_surface(surface, ivi_seat, WESTON_ACTIVATE_FLAG_NONE);
940
941         wsurface->is_mapped = true;
942         surface->view->is_mapped = true;
943
944         shell_advertise_app_state(ivi, app_id,
945                                   NULL, AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED);
946
947         weston_log("Activation completed for app_id %s, role %s, output %s\n",
948                         app_id, ivi_layout_get_surface_role_name(surface), output->name);
949 }
950
951 static void
952 ivi_layout_popup_re_add(struct ivi_surface *surface)
953 {
954         assert(surface->role == IVI_SURFACE_ROLE_POPUP);
955         struct weston_view *view = surface->view;
956
957         if (weston_view_is_mapped(view)) {
958                 struct weston_desktop_surface *dsurface = surface->dsurface;
959                 struct weston_surface *wsurface =
960                         weston_desktop_surface_get_surface(dsurface);
961
962                 weston_layer_entry_remove(&view->layer_link);
963
964                 wsurface->is_mapped = false;
965                 view->is_mapped = false;
966         }
967
968         /* reset the activate by default in order to (still) allow the surface
969          * to be activaved using the request */
970         if (!surface->mapped)
971                 surface->mapped = true;
972
973         surface->state = NORMAL;
974         ivi_layout_popup_committed(surface);
975 }
976
977 static bool
978 ivi_layout_surface_is_split_or_fullscreen(struct ivi_surface *surf)
979 {
980         struct ivi_compositor *ivi = surf->ivi;
981         struct ivi_surface *is;
982
983         if (surf->role != IVI_SURFACE_ROLE_SPLIT_H &&
984             surf->role != IVI_SURFACE_ROLE_SPLIT_V &&
985             surf->role != IVI_SURFACE_ROLE_FULLSCREEN)
986                 return false;
987
988         /* reset the activate by default in order to (still) allow the surface
989          * to be activaved using the request */
990         if (!surf->mapped)
991                 surf->mapped = true;
992
993         wl_list_for_each(is, &ivi->surfaces, link)
994                 if (is == surf)
995                         return true;
996
997         return false;
998 }
999
1000 void
1001 ivi_layout_activate_by_surf(struct ivi_output *output, struct ivi_surface *surf)
1002 {
1003         struct ivi_compositor *ivi = output->ivi;
1004         struct weston_desktop_surface *dsurf;
1005         struct weston_geometry geom;
1006         struct ivi_policy *policy = output->ivi->policy;
1007
1008         dsurf = surf->dsurface;
1009
1010         const char *app_id = weston_desktop_surface_get_app_id(dsurf);
1011
1012         if (!surf)
1013                 return;
1014
1015         if (policy && policy->api.surface_activate &&
1016             !policy->api.surface_activate(surf, surf->ivi)) {
1017                 return;
1018         }
1019
1020 #ifdef AGL_COMP_DEBUG
1021         weston_log("Activating app_id %s, type %s, on output %s\n", app_id,
1022                         ivi_layout_get_surface_role_name(surf), output->output->name);
1023 #endif
1024
1025         if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1026                 ivi_layout_popup_re_add(surf);
1027                 return;
1028         }
1029
1030         /* do not 're'-activate surfaces that are split or active */
1031         if (surf == output->active ||
1032             ivi_layout_surface_is_split_or_fullscreen(surf)) {
1033                 weston_log("Application %s is already active on output %s\n",
1034                                 app_id, output->output->name);
1035                 return;
1036         }
1037
1038         if (surf->role == IVI_SURFACE_ROLE_REMOTE) {
1039                 struct ivi_output *remote_output =
1040                         ivi_layout_find_with_app_id(app_id, ivi);
1041
1042                 weston_log("Changed activation for app_id %s, type %s, on output %s\n", app_id,
1043                                 ivi_layout_get_surface_role_name(surf), output->output->name);
1044
1045                 /* if already active on a remote output do not
1046                  * attempt to activate it again */
1047                 if (remote_output && remote_output->active == surf)
1048                         return;
1049         }
1050
1051
1052         geom = weston_desktop_surface_get_geometry(dsurf);
1053
1054         if (surf->role == IVI_SURFACE_ROLE_DESKTOP)
1055                 surf->desktop.pending_output = output;
1056         if (weston_desktop_surface_get_maximized(dsurf) &&
1057             geom.width == output->area.width &&
1058             geom.height == output->area.height) {
1059                 ivi_layout_activate_complete(output, surf);
1060                 return;
1061         }
1062
1063         /* the background surface is already "maximized" so we don't need to
1064          * add to the hidden layer */
1065         if (surf->role == IVI_SURFACE_ROLE_BACKGROUND) {
1066                 ivi_layout_activate_complete(output, surf);
1067                 return;
1068         }
1069
1070         ivi_layout_add_to_hidden_layer(surf, output);
1071 }
1072
1073 void
1074 ivi_layout_activate(struct ivi_output *output, const char *app_id)
1075 {
1076         struct ivi_surface *surf;
1077         struct ivi_compositor *ivi = output->ivi;
1078
1079         if (!app_id)
1080                 return;
1081
1082         surf = ivi_find_app(ivi, app_id);
1083         if (!surf)
1084                 return;
1085
1086         ivi_layout_activate_by_surf(output, surf);
1087 }
1088
1089 struct ivi_output *
1090 ivi_layout_get_output_from_surface(struct ivi_surface *surf)
1091 {
1092         struct ivi_output *ivi_output = NULL;
1093
1094         switch (surf->role) {
1095         case IVI_SURFACE_ROLE_DESKTOP:
1096                 if (surf->desktop.pending_output)
1097                         ivi_output = surf->desktop.pending_output;
1098                 else
1099                         ivi_output = surf->desktop.last_output;
1100                 break;
1101         case IVI_SURFACE_ROLE_POPUP:
1102                 ivi_output = surf->popup.output;
1103                 break;
1104         case IVI_SURFACE_ROLE_BACKGROUND:
1105                 ivi_output = surf->bg.output;
1106                 break;
1107         case IVI_SURFACE_ROLE_PANEL:
1108                 ivi_output = surf->panel.output;
1109                 break;
1110         case IVI_SURFACE_ROLE_FULLSCREEN:
1111                 ivi_output = surf->fullscreen.output;
1112                 break;
1113         case IVI_SURFACE_ROLE_SPLIT_H:
1114         case IVI_SURFACE_ROLE_SPLIT_V:
1115                 ivi_output = surf->split.output;
1116                 break;
1117         case IVI_SURFACE_ROLE_REMOTE:
1118                 ivi_output = surf->remote.output;
1119                 break;
1120         case IVI_SURFACE_ROLE_NONE:
1121         default:
1122                 break;
1123         }
1124
1125         return ivi_output;
1126 }
1127
1128 void
1129 ivi_layout_deactivate(struct ivi_compositor *ivi, const char *app_id)
1130 {
1131         struct ivi_surface *surf;
1132         struct ivi_output *ivi_output;
1133         struct ivi_policy *policy = ivi->policy;
1134
1135         if (!app_id)
1136                 return;
1137
1138         surf = ivi_find_app(ivi, app_id);
1139         if (!surf)
1140                 return;
1141
1142         if (policy && policy->api.surface_deactivate &&
1143             !policy->api.surface_deactivate(surf, surf->ivi)) {
1144                 return;
1145         }
1146
1147         ivi_output = ivi_layout_get_output_from_surface(surf);
1148         weston_log("Deactiving %s, role %s\n", app_id,
1149                         ivi_layout_get_surface_role_name(surf));
1150
1151         if (surf->role == IVI_SURFACE_ROLE_DESKTOP ||
1152             surf->role == IVI_SURFACE_ROLE_REMOTE) {
1153                 struct ivi_surface *previous_active;
1154
1155                 previous_active = ivi_output->previous_active;
1156                 if (!previous_active) {
1157                         /* we don't have a previous active it means we should
1158                          * display the bg */
1159                         if (ivi_output->active) {
1160                                 struct weston_view *view;
1161
1162                                 view = ivi_output->active->view;
1163                                 view->is_mapped = false;
1164                                 view->surface->is_mapped = false;
1165
1166                                 weston_layer_entry_remove(&view->layer_link);
1167                                 weston_view_geometry_dirty(view);
1168                                 weston_surface_damage(view->surface);
1169                                 ivi_output->active = NULL;
1170                         }
1171                 } else {
1172                         struct weston_desktop_surface *dsurface;
1173                         const char *previous_active_app_id;
1174
1175                         dsurface = previous_active->dsurface;
1176                         previous_active_app_id =
1177                                 weston_desktop_surface_get_app_id(dsurface);
1178                         ivi_layout_activate(ivi_output, previous_active_app_id);
1179                 }
1180         } else if (surf->role == IVI_SURFACE_ROLE_POPUP) {
1181                 struct weston_view *view  = surf->view;
1182
1183                 weston_view_unmap(view);
1184                 surf->state = HIDDEN;
1185
1186                 weston_layer_entry_remove(&view->layer_link);
1187                 weston_view_geometry_dirty(view);
1188                 weston_surface_damage(view->surface);
1189         }
1190
1191       shell_send_app_state(ivi, app_id, AGL_SHELL_APP_STATE_DEACTIVATED);
1192 }