2d82e959240205f57283810fdfb766777533a98b
[apps/agl-service-windowmanager.git] / src / app.cpp
1 /*
2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 #include "app.hpp"
18 #include "json_helper.hpp"
19 #include "layers.hpp"
20 #include "layout.hpp"
21 #include "util.hpp"
22 #include "wayland_ivi_wm.hpp"
23
24 #include <cstdio>
25 #include <memory>
26
27 #include <cassert>
28
29 #include <json-c/json.h>
30
31 #include <algorithm>
32 #include <csignal>
33 #include <fstream>
34 #include <json.hpp>
35 #include <regex>
36 #include <thread>
37
38 #include "wm_client.hpp"
39 #include "applist.hpp"
40
41 extern "C"
42 {
43 #include <systemd/sd-event.h>
44 }
45
46 namespace wm
47 {
48
49 const unsigned kTimeOut = 10000000UL; /* 10s */
50
51 /* DrawingArea name used by "{layout}.{area}" */
52 const char kNameLayoutNormal[] = "normal";
53 const char kNameLayoutSplit[] = "split";
54 const char kNameAreaFull[] = "full";
55 const char kNameAreaMain[] = "main";
56 const char kNameAreaSub[] = "sub";
57
58 /* Key for json obejct */
59 const char kKeyDrawingName[] = "drawing_name";
60 const char kKeyDrawingArea[] = "drawing_area";
61 const char kKeyDrawingRect[] = "drawing_rect";
62 const char kKeyX[] = "x";
63 const char kKeyY[] = "y";
64 const char kKeyWidth[] = "width";
65 const char kKeyHeight[] = "height";
66 const char kKeyWidthPixel[] = "width_pixel";
67 const char kKeyHeightPixel[] = "height_pixel";
68 const char kKeyWidthMm[] = "width_mm";
69 const char kKeyHeightMm[] = "height_mm";
70
71 static sd_event_source *g_timer_ev_src = nullptr;
72
73 static AppList g_app_list;
74
75 namespace
76 {
77
78 using nlohmann::json;
79
80 result<json> file_to_json(char const *filename)
81 {
82     json j;
83     std::ifstream i(filename);
84     if (i.fail())
85     {
86         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
87         j = default_layers_json;
88     }
89     else
90     {
91         i >> j;
92     }
93
94     return Ok(j);
95 }
96
97 struct result<layer_map> load_layer_map(char const *filename)
98 {
99     HMI_DEBUG("wm", "loading IDs from %s", filename);
100
101     auto j = file_to_json(filename);
102     if (j.is_err())
103     {
104         return Err<layer_map>(j.unwrap_err());
105     }
106     json jids = j.unwrap();
107
108     return to_layer_map(jids);
109 }
110
111 static int
112 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
113 {
114     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
115     reinterpret_cast<wm::App *>(userdata)->timerHandler();
116     return 0;
117 }
118
119 } // namespace
120
121 void App::timerHandler()
122 {
123     unsigned req_num = g_app_list.currentRequestNumber();
124     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
125     g_app_list.reqDump();
126     g_app_list.removeRequest(req_num);
127     this->processNextRequest();
128 }
129
130 void App::removeClient(const std::string &appid)
131 {
132     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
133     g_app_list.removeClient(appid);
134 }
135
136 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
137 {
138     if(!g_app_list.contains(appid)){
139         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
140         return false;
141     }
142     auto client = g_app_list.lookUpClient(appid);
143     return client->subscribe(req, evname);
144 }
145
146 /**
147  * App Impl
148  */
149 App::App(wl::display *d)
150     : chooks{this},
151       display{d},
152       controller{},
153       outputs(),
154       config(),
155       layers(),
156       id_alloc{},
157       pending_events(false),
158       policy{}
159 {
160     try
161     {
162         {
163             auto l = load_layer_map(
164                 this->config.get_string("layers.json").value().c_str());
165             if (l.is_ok())
166             {
167                 this->layers = l.unwrap();
168             }
169             else
170             {
171                 HMI_ERROR("wm", "%s", l.err().value());
172             }
173         }
174     }
175     catch (std::exception &e)
176     {
177         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
178     }
179 }
180
181 int App::init()
182 {
183     if (!this->display->ok())
184     {
185         return -1;
186     }
187
188     if (this->layers.mapping.empty())
189     {
190         HMI_ERROR("wm", "No surface -> layer mapping loaded");
191         return -1;
192     }
193
194     // Make afb event
195     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
196     {
197         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
198     }
199
200     this->display->add_global_handler(
201         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
202             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
203         });
204
205     this->display->add_global_handler(
206         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
207             this->controller =
208                 std::make_unique<struct compositor::controller>(r, name, v);
209
210             // Init controller hooks
211             this->controller->chooks = &this->chooks;
212
213             // This protocol needs the output, so lets just add our mapping here...
214             this->controller->add_proxy_to_id_mapping(
215                 this->outputs.back()->proxy.get(),
216                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
217                     this->outputs.back()->proxy.get())));
218
219             // Create screen
220             this->controller->create_screen(this->outputs.back()->proxy.get());
221
222             // Set display to controller
223             this->controller->display = this->display;
224         });
225
226     // First level objects
227     this->display->roundtrip();
228     // Second level objects
229     this->display->roundtrip();
230     // Third level objects
231     this->display->roundtrip();
232
233     return init_layers();
234 }
235
236 int App::dispatch_pending_events()
237 {
238     if (this->pop_pending_events())
239     {
240         this->display->dispatch_pending();
241         return 0;
242     }
243     return -1;
244 }
245
246 bool App::pop_pending_events()
247 {
248     bool x{true};
249     return this->pending_events.compare_exchange_strong(
250         x, false, std::memory_order_consume);
251 }
252
253 void App::set_pending_events()
254 {
255     this->pending_events.store(true, std::memory_order_release);
256 }
257
258 optional<int> App::lookup_id(char const *name)
259 {
260     return this->id_alloc.lookup(std::string(name));
261 }
262 optional<std::string> App::lookup_name(int id)
263 {
264     return this->id_alloc.lookup(id);
265 }
266
267 /**
268  * init_layers()
269  */
270 int App::init_layers()
271 {
272     if (!this->controller)
273     {
274         HMI_ERROR("wm", "ivi_controller global not available");
275         return -1;
276     }
277
278     if (this->outputs.empty())
279     {
280         HMI_ERROR("wm", "no output was set up!");
281         return -1;
282     }
283
284     auto &c = this->controller;
285
286     auto &o = this->outputs.front();
287     auto &s = c->screens.begin()->second;
288     auto &layers = c->layers;
289
290     // Write output dimensions to ivi controller...
291     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
292     c->physical_size = compositor::size{uint32_t(o->physical_width),
293                                         uint32_t(o->physical_height)};
294
295     // Clear scene
296     layers.clear();
297
298     // Clear screen
299     s->clear();
300
301     // Quick and dirty setup of layers
302     for (auto const &i : this->layers.mapping)
303     {
304         c->layer_create(i.second.layer_id, o->width, o->height);
305         auto &l = layers[i.second.layer_id];
306         l->set_destination_rectangle(0, 0, o->width, o->height);
307         l->set_visibility(1);
308         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
309                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
310     }
311
312     // Add layers to screen
313     s->set_render_order(this->layers.layers);
314
315     this->layout_commit();
316
317     this->layers.setupArea(o->width, o->height);
318
319     return 0;
320 }
321
322 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
323 {
324     if (!this->controller->surface_exists(surface_id))
325     {
326         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
327         return;
328     }
329
330     auto o_layer_id = this->layers.get_layer_id(surface_id);
331
332     if (!o_layer_id)
333     {
334         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
335         return;
336     }
337
338     uint32_t layer_id = *o_layer_id;
339
340     auto const &layer = this->layers.get_layer(layer_id);
341     auto rect = layer.value().rect;
342     auto &s = this->controller->surfaces[surface_id];
343
344     int x = rect.x;
345     int y = rect.y;
346     int w = rect.w;
347     int h = rect.h;
348
349     // less-than-0 values refer to MAX + 1 - $VALUE
350     // e.g. MAX is either screen width or height
351     if (w < 0)
352     {
353         w = this->controller->output_size.w + 1 + w;
354     }
355     if (h < 0)
356     {
357         h = this->controller->output_size.h + 1 + h;
358     }
359
360     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
361               layer_id);
362
363     // set destination to the display rectangle
364     s->set_destination_rectangle(x, y, w, h);
365
366     // update area information
367     this->area_info[surface_id].x = x;
368     this->area_info[surface_id].y = y;
369     this->area_info[surface_id].w = w;
370     this->area_info[surface_id].h = h;
371
372     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
373               surface_id, layer_id, x, y, w, h);
374 }
375
376 void App::layout_commit()
377 {
378     this->controller->commit_changes();
379     this->display->flush();
380 }
381
382 void App::setTimer()
383 {
384     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
385     if (g_timer_ev_src == nullptr)
386     {
387         // firsttime set into sd_event
388         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
389                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
390         if (ret < 0)
391         {
392             HMI_ERROR("wm", "Could't set timer");
393         }
394     }
395     else
396     {
397         // update timer limitation after second time
398         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
399         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
400     }
401 }
402
403 void App::stopTimer()
404 {
405     unsigned req_num = g_app_list.currentRequestNumber();
406     HMI_SEQ_DEBUG(req_num, "Timer stop");
407     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
408     if (rc < 0)
409     {
410         HMI_SEQ_ERROR(req_num, "Timer stop failed");
411     }
412 }
413
414 WMError App::lm_release(const struct WMAction &action)
415 {
416     //auto const &surface_id = this->lookup_id(drawing_name);
417     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
418     unsigned req_num = g_app_list.currentRequestNumber();
419     auto const &surface_id = this->lookup_id(action.role.c_str());
420     if (!surface_id)
421     {
422         HMI_SEQ_ERROR(req_num, "Surface does not exist");
423         return ret;
424     }
425
426     if (*surface_id == this->layers.main_surface)
427     {
428         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
429         return ret;
430     }
431
432     auto o_state = *this->layers.get_layout_state(*surface_id);
433
434     if (o_state == nullptr)
435     {
436         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
437         return ret;
438     }
439
440     struct LayoutState &state = *o_state;
441
442     if (state.main == -1)
443     {
444         HMI_SEQ_ERROR(req_num, "No surface active");
445         return ret;
446     }
447
448     // Check against main_surface, main_surface_name is the configuration item.
449     if (*surface_id == this->layers.main_surface)
450     {
451         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
452         //reply(nullptr);
453         return WMError::SUCCESS;
454     }
455     if ((state.main == *surface_id) && (state.sub == *surface_id))
456     {
457         HMI_SEQ_ERROR(req_num, "Surface is not active");
458         return ret;
459     }
460
461     if (state.main == *surface_id)
462     {
463         if (state.sub != -1)
464         {
465             this->try_layout(
466                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
467                     std::string sub = std::move(*this->lookup_name(state.sub));
468
469                     this->deactivate(*surface_id);
470                     this->surface_set_layout(state.sub);
471                     state = nl;
472
473                     this->layout_commit();
474                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
475                     compositor::rect area_rect = this->area_info[state.sub];
476                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
477                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
478                     this->enqueue_flushdraw(state.sub);
479                 });
480         }
481         else
482         {
483             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
484                 this->deactivate(*surface_id);
485                 state = nl;
486                 this->layout_commit();
487             });
488         }
489     }
490     else if (state.sub == *surface_id)
491     {
492         this->try_layout(
493             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
494                 std::string main = std::move(*this->lookup_name(state.main));
495
496                 this->deactivate(*surface_id);
497                 this->surface_set_layout(state.main);
498                 state = nl;
499
500                 this->layout_commit();
501                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
502                 compositor::rect area_rect = this->area_info[state.main];
503                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
504                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
505                 this->enqueue_flushdraw(state.main);
506             });
507     }
508     return WMError::SUCCESS;
509 }
510
511 WMError App::doTransition(unsigned req_num)
512 {
513     HMI_SEQ_DEBUG(req_num, "check policy");
514     WMError ret = this->checkPolicy(req_num);
515     if (ret != WMError::SUCCESS)
516     {
517         return ret;
518     }
519     HMI_SEQ_DEBUG(req_num, "Start transition.");
520     ret = this->startTransition(req_num);
521     return ret;
522 }
523
524 WMError App::checkPolicy(unsigned req_num)
525 {
526     /*
527     * Check Policy
528     */
529     // get current trigger
530     bool found = false;
531     bool split = false;
532     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
533     auto trigger = g_app_list.getRequest(req_num, &found);
534     if (!found)
535     {
536         ret = WMError::NO_ENTRY;
537         return ret;
538     }
539     std::string req_area = trigger.area;
540
541     // >>>> Compatible with current window manager until policy manager coming
542     if (trigger.task == Task::TASK_ALLOCATE)
543     {
544         HMI_SEQ_DEBUG(req_num, "Check split or not");
545         const char *msg = this->check_surface_exist(trigger.role.c_str());
546
547         if (msg)
548         {
549             HMI_SEQ_ERROR(req_num, msg);
550             ret = WMError::LAYOUT_CHANGE_FAIL;
551             return ret;
552         }
553
554         auto const &surface_id = this->lookup_id(trigger.role.c_str());
555         auto o_state = *this->layers.get_layout_state(*surface_id);
556         struct LayoutState &state = *o_state;
557
558         unsigned curernt_sid = state.main;
559         split = this->can_split(state, *surface_id);
560
561         if (split)
562         {
563             HMI_SEQ_DEBUG(req_num, "Split happens");
564             // Get current visible role
565             std::string add_role = this->lookup_name(state.main).value();
566             // Set next area
567             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
568             // Change request area
569             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
570             // set another action
571             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
572             if (!found)
573             {
574                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
575                 ret = WMError::NOT_REGISTERED;
576                 return ret;
577             }
578             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
579                          add_name.c_str(), add_role.c_str(), add_area.c_str());
580             // Set split action
581             bool visible = true;
582             bool end_draw_finished = false;
583             WMAction split_action{
584                 add_name,
585                 add_role,
586                 add_area,
587                 visible,
588                 end_draw_finished};
589             WMError ret = g_app_list.setAction(req_num, split_action);
590             if (ret != WMError::SUCCESS)
591             {
592                 HMI_SEQ_ERROR(req_num, "Failed to set action");
593                 return ret;
594             }
595             g_app_list.reqDump();
596         }
597     }
598     else
599     {
600         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
601     }
602
603     // Set invisible task(Remove if policy manager finish)
604     ret = this->setInvisibleTask(trigger.role, split);
605     if(ret != WMError::SUCCESS)
606     {
607         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
608         return ret;
609     }
610
611     /*  get new status from Policy Manager */
612     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
613
614     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, trigger.task);
615     g_app_list.reqDump();
616
617     return ret;
618 }
619
620 WMError App::startTransition(unsigned req_num)
621 {
622     bool sync_draw_happen = false;
623     bool found = false;
624     WMError ret = WMError::SUCCESS;
625     auto actions = g_app_list.getActions(req_num, &found);
626     if (!found)
627     {
628         ret = WMError::NO_ENTRY;
629         HMI_SEQ_ERROR(req_num, "Window Manager bug :%s : Action is not set", errorDescription(ret));
630         return ret;
631     }
632
633     for (const auto &y : actions)
634     {
635         if (y.visible)
636         {
637             sync_draw_happen = true;
638             this->emit_syncdraw(y.role, y.area);
639             /* TODO: emit event for app not subscriber
640             if(g_app_list.contains(y.appid))
641                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
642         }
643     }
644
645     if (sync_draw_happen)
646     {
647         this->setTimer();
648     }
649     else
650     {
651         // deactivate only, no syncDraw
652         // Make it deactivate here
653         for (const auto &z : actions)
654         {
655             if (g_app_list.contains(z.appid))
656             {
657                 auto client = g_app_list.lookUpClient(z.appid);
658                 this->deactivate(client->surfaceID(z.role));
659             }
660         }
661         ret = NO_LAYOUT_CHANGE;
662     }
663     return ret;
664 }
665
666 WMError App::setInvisibleTask(const std::string &role, bool split)
667 {
668     unsigned req = g_app_list.currentRequestNumber();
669     HMI_SEQ_DEBUG(req, "set current visible app to invisible task");
670     // This task is copied from original actiavete surface
671     const char *drawing_name = role.c_str();
672     auto const &surface_id = this->lookup_id(drawing_name);
673     auto layer_id = this->layers.get_layer_id(*surface_id);
674     auto o_state = *this->layers.get_layout_state(*surface_id);
675     struct LayoutState &state = *o_state;
676     std::string add_name, add_role;
677     std::string add_area = "";
678     int surface;
679     bool visible = false;
680     bool end_draw_finished = true;
681     bool found = false;
682
683     for (auto const &l : this->layers.mapping)
684     {
685         if (l.second.layer_id <= *layer_id)
686         {
687             continue;
688         }
689         if (l.second.state.main != -1)
690         {
691             //this->deactivate(l.second.state.main);
692             surface = l.second.state.main;
693             add_role = *this->id_alloc.lookup(surface);
694             add_name = g_app_list.getAppID(surface, add_role, &found);
695             if(!found){
696                 return WMError::NOT_REGISTERED;
697             }
698             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
699             WMAction act{add_name, add_role, add_area, visible, end_draw_finished};
700             g_app_list.setAction(req, act);
701             l.second.state.main = -1;
702         }
703
704         if (l.second.state.sub != -1)
705         {
706             //this->deactivate(l.second.state.sub);
707             surface = l.second.state.sub;
708             add_role = *this->id_alloc.lookup(surface);
709             add_name = g_app_list.getAppID(surface, add_role, &found);
710             if (!found)
711             {
712                 return WMError::NOT_REGISTERED;
713             }
714             HMI_SEQ_INFO(req, "Invisible %s", add_name.c_str());
715             WMAction act{add_name, add_role, add_area, visible, end_draw_finished};
716             g_app_list.setAction(req, act);
717             l.second.state.sub = -1;
718         }
719     }
720
721     // change current state here, but this is hack
722     auto layer = this->layers.get_layer(*layer_id);
723
724     if (state.main == -1)
725     {
726         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
727         state = LayoutState{*surface_id};
728         /* this->try_layout(
729             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
730                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
731                 //this->surface_set_layout(*surface_id);
732                 state = nl;
733
734                 //compositor::rect area_rect = this->area_info[*surface_id];
735             }); */
736     }
737     else
738     {
739         if (0 != strcmp(drawing_name, "HomeScreen"))
740         {
741             if (split)
742             {
743                 std::string main =
744                     std::move(*this->id_alloc.lookup(state.main));
745                 if (state.sub != *surface_id)
746                 {
747                     if (state.sub != -1)
748                     {
749                         //this->deactivate(state.sub);
750                         WMAction deact_sub;
751                         deact_sub.role = main;
752                         deact_sub.area = add_area;
753                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
754                         if (!found)
755                         {
756                             HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
757                             return WMError::NOT_REGISTERED;
758                         }
759                         deact_sub.visible = visible;
760                         deact_sub.end_draw_finished = end_draw_finished;
761                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
762                         g_app_list.setAction(req, deact_sub);
763                     }
764                 }
765                 state = LayoutState{state.main, *surface_id};
766             }
767             else
768             {
769                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
770
771                 //this->surface_set_layout(*surface_id);
772                 if (state.main != *surface_id)
773                 {
774                     // this->deactivate(state.main);
775                     WMAction deact_main;
776                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
777                     ;
778                     deact_main.area = add_area;
779                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
780                     if (!found)
781                     {
782                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
783                         return WMError::NOT_REGISTERED;
784                     }
785                     deact_main.visible = visible;
786                     deact_main.end_draw_finished = end_draw_finished;
787                     HMI_SEQ_DEBUG(req, "sub surface doesn't exist");
788                     g_app_list.setAction(req, deact_main);
789                 }
790                 if (state.sub != -1)
791                 {
792                     if (state.sub != *surface_id)
793                     {
794                         //this->deactivate(state.sub);
795                         WMAction deact_sub;
796                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
797                         ;
798                         deact_sub.area = add_area;
799                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
800                         if (!found)
801                         {
802                             HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
803                             return WMError::NOT_REGISTERED;
804                         }
805                         deact_sub.visible = visible;
806                         deact_sub.end_draw_finished = end_draw_finished;
807                         HMI_SEQ_DEBUG(req, "sub surface ddoesn't exist");
808                         g_app_list.setAction(req, deact_sub);
809                     }
810                 }
811                 state = LayoutState{*surface_id};
812             }
813         }
814     }
815
816     return WMError::SUCCESS;
817 }
818
819 const char *App::check_surface_exist(const char *drawing_name)
820 {
821     auto const &surface_id = this->lookup_id(drawing_name);
822     if (!surface_id)
823     {
824         //reply("Surface does not exist");
825         return "Surface does not exist";
826     }
827
828     if (!this->controller->surface_exists(*surface_id))
829     {
830         //reply("Surface does not exist in controller!");
831         return "Surface does not exist in controller!";
832     }
833
834     auto layer_id = this->layers.get_layer_id(*surface_id);
835
836     if (!layer_id)
837     {
838         //reply("Surface is not on any layer!");
839         return "Surface is not on any layer!";
840     }
841
842     auto o_state = *this->layers.get_layout_state(*surface_id);
843
844     if (o_state == nullptr)
845     {
846         //reply("Could not find layer for surface");
847         return "Could not find layer for surface";
848     }
849
850     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
851     return nullptr;
852     //reply(nullptr);
853 }
854
855 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
856                             Task task, unsigned* req_num)
857 {
858     if (!g_app_list.contains(appid))
859     {
860         return WMError::NOT_REGISTERED;
861     }
862
863     auto client = g_app_list.lookUpClient(appid);
864
865     /*
866    * Queueing Phase
867    */
868     unsigned current = g_app_list.currentRequestNumber();
869     unsigned requested_num = g_app_list.getRequestNumber(appid);
870     if (requested_num != 0)
871     {
872         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
873         return REQ_REJECTED;
874     }
875
876     WMRequest req = WMRequest(appid, role, area, task);
877     unsigned new_req = g_app_list.addAllocateRequest(req);
878     *req_num = new_req;
879     g_app_list.reqDump();
880
881     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
882
883     return WMError::SUCCESS;
884 }
885
886 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
887 {
888     ST();
889
890     std::string id = appid;
891     std::string role = drawing_name;
892     std::string area = drawing_area;
893     Task task = Task::TASK_ALLOCATE;
894     unsigned req_num = 0;
895     WMError ret = WMError::UNKNOWN;
896
897     ret = this->setRequest(id, role, area, task, &req_num);
898
899     if(ret != WMError::SUCCESS)
900     {
901         HMI_ERROR("wm", errorDescription(ret));
902         reply("Failed to set request");
903         return;
904     }
905
906     reply(nullptr);
907     if (req_num != g_app_list.currentRequestNumber())
908     {
909         // Add request, then invoked after the previous task is finished
910         HMI_SEQ_DEBUG(req_num, "request is accepted");
911         return;
912     }
913
914     /*
915     * Do allocate tasks
916     */
917     ret = this->doTransition(req_num);
918
919     if (ret != WMError::SUCCESS)
920     {
921         //this->emit_error()
922         HMI_SEQ_ERROR(req_num, errorDescription(ret));
923         g_app_list.removeRequest(req_num);
924         g_app_list.next();
925         g_app_list.reqDump();
926     }
927 }
928
929 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
930 {
931     ST();
932
933     /*
934    * Check Phase
935    */
936     std::string id = appid;
937     std::string role = drawing_name;
938     std::string area = ""; //drawing_area;
939
940     if (!g_app_list.contains(id))
941     {
942         reply("app doesn't request 'requestSurface' yet");
943         return;
944     }
945     auto client = g_app_list.lookUpClient(id);
946
947     /*
948    * Queueing Phase
949    */
950     unsigned current = g_app_list.currentRequestNumber();
951     unsigned requested_num = g_app_list.getRequestNumber(id);
952     if (requested_num != 0)
953     {
954         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
955         reply("already requested");
956         return;
957     }
958
959     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
960     unsigned new_req = g_app_list.addAllocateRequest(req);
961     g_app_list.reqDump();
962
963     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
964
965     reply(nullptr);
966     if (new_req != current)
967     {
968         // Add request, then invoked after the previous task is finished
969         HMI_SEQ_DEBUG(new_req, "request is accepted");
970         return;
971     }
972
973     /*
974     * Do allocate tasks
975     */
976     WMError ret = this->doTransition(new_req);
977
978     if (ret != WMError::SUCCESS)
979     {
980         HMI_SEQ_ERROR(new_req, errorDescription(ret));
981         g_app_list.removeRequest(new_req);
982         g_app_list.next();
983         //this->emit_error()
984     }
985 }
986
987 void App::enqueue_flushdraw(int surface_id)
988 {
989     this->check_flushdraw(surface_id);
990     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
991     this->pending_end_draw.push_back(surface_id);
992 }
993
994 void App::check_flushdraw(int surface_id)
995 {
996     auto i = std::find(std::begin(this->pending_end_draw),
997                        std::end(this->pending_end_draw), surface_id);
998     if (i != std::end(this->pending_end_draw))
999     {
1000         auto n = this->lookup_name(surface_id);
1001         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1002                   n ? n->c_str() : "unknown-name", surface_id);
1003         std::swap(this->pending_end_draw[std::distance(
1004                       std::begin(this->pending_end_draw), i)],
1005                   this->pending_end_draw.back());
1006         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1007     }
1008 }
1009
1010 WMError App::doEndDraw(unsigned req_num)
1011 {
1012     // get actions
1013     bool found;
1014     auto actions = g_app_list.getActions(req_num, &found);
1015     WMError ret = WMError::SUCCESS;
1016     if (!found)
1017     {
1018         ret = WMError::NO_ENTRY;
1019         return ret;
1020     }
1021
1022     HMI_SEQ_INFO(req_num, "do endDraw");
1023     // layout change and make it visible
1024
1025     for (const auto &act : actions)
1026     {
1027         // layout change
1028         if(!g_app_list.contains(act.appid)){
1029             ret = WMError::NOT_REGISTERED;
1030         }
1031         ret = this->layoutChange(act);
1032         if(ret != WMError::SUCCESS)
1033         {
1034             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1035             return ret;
1036         }
1037         ret = this->visibilityChange(act);
1038         if (ret != WMError::SUCCESS)
1039         {
1040             HMI_SEQ_WARNING(req_num, "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1041             return ret;
1042         }
1043         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1044         //this->lm_enddraw(act.role.c_str());
1045     }
1046
1047     HMI_SEQ_INFO(req_num, "emit flushDraw");
1048
1049     for(const auto &act_flush : actions)
1050     {
1051         if(act_flush.visible)
1052         {
1053             this->emit_flushdraw(act_flush.role.c_str());
1054         }
1055     }
1056
1057     return ret;
1058 }
1059
1060 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1061 {
1062     this->surface_set_layout(surface);
1063
1064     return WMError::SUCCESS;
1065 }
1066
1067 WMError App::layoutChange(const WMAction &action)
1068 {
1069     if (action.visible == false)
1070     {
1071         return WMError::SUCCESS;
1072     }
1073     auto client = g_app_list.lookUpClient(action.appid);
1074     unsigned surface = client->surfaceID(action.role);
1075     if (surface == 0)
1076     {
1077         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1078                       "client doesn't have surface with role(%s)", action.role.c_str());
1079         return WMError::NOT_REGISTERED;
1080     }
1081     // Layout Manager
1082     WMError ret = this->setSurfaceSize(surface, action.area);
1083     return ret;
1084 }
1085
1086 WMError App::visibilityChange(const WMAction &action)
1087 {
1088     auto client = g_app_list.lookUpClient(action.appid);
1089     unsigned surface = client->surfaceID(action.role);
1090     if(surface == 0)
1091     {
1092         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1093                       "client doesn't have surface with role(%s)", action.role.c_str());
1094         return WMError::NOT_REGISTERED;
1095     }
1096
1097     if (action.visible)
1098     {
1099         this->activate(surface); // Layout Manager task
1100     }
1101     else
1102     {
1103         this->deactivate(surface); // Layout Manager task
1104     }
1105     return WMError::SUCCESS;
1106 }
1107
1108 void App::api_enddraw(char const *appid, char const *drawing_name)
1109 {
1110     std::string id = appid;
1111     std::string role = drawing_name;
1112     unsigned current_req = g_app_list.currentRequestNumber();
1113     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1114
1115     if (!result)
1116     {
1117         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1118         return;
1119     }
1120
1121     if (g_app_list.endDrawFullfilled(current_req))
1122     {
1123         // do task for endDraw
1124         this->stopTimer();
1125         WMError ret = this->doEndDraw(current_req);
1126
1127         if(ret != WMError::SUCCESS)
1128         {
1129             //this->emit_error();
1130         }
1131         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1132
1133         g_app_list.removeRequest(current_req);
1134
1135         this->processNextRequest();
1136     }
1137     else
1138     {
1139         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1140         return;
1141     }
1142 }
1143
1144 void App::processNextRequest()
1145 {
1146     g_app_list.next();
1147     g_app_list.reqDump();
1148     unsigned req_num = g_app_list.currentRequestNumber();
1149     if (g_app_list.haveRequest())
1150     {
1151         HMI_SEQ_DEBUG(req_num, "Process next request");
1152         WMError rc = doTransition(req_num);
1153         if (rc != WMError::SUCCESS)
1154         {
1155             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1156         }
1157     }
1158     else
1159     {
1160         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1161     }
1162 }
1163
1164 void App::api_ping() { this->dispatch_pending_events(); }
1165
1166 void App::send_event(char const *evname, char const *label)
1167 {
1168     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1169
1170     json_object *j = json_object_new_object();
1171     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1172
1173     int ret = afb_event_push(this->map_afb_event[evname], j);
1174     if (ret != 0)
1175     {
1176         HMI_DEBUG("wm", "afb_event_push failed: %m");
1177     }
1178 }
1179
1180 void App::send_event(char const *evname, char const *label, char const *area,
1181                      int x, int y, int w, int h)
1182 {
1183     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1184               __func__, evname, label, area, x, y, w, h);
1185
1186     json_object *j_rect = json_object_new_object();
1187     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1188     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1189     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1190     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1191
1192     json_object *j = json_object_new_object();
1193     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1194     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1195     json_object_object_add(j, kKeyDrawingRect, j_rect);
1196
1197     int ret = afb_event_push(this->map_afb_event[evname], j);
1198     if (ret != 0)
1199     {
1200         HMI_DEBUG("wm", "afb_event_push failed: %m");
1201     }
1202 }
1203
1204 /**
1205  * proxied events
1206  */
1207 void App::surface_created(uint32_t surface_id)
1208 {
1209     auto layer_id = this->layers.get_layer_id(surface_id);
1210     if (!layer_id)
1211     {
1212         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1213                   surface_id);
1214         return;
1215     }
1216
1217     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1218
1219     this->controller->layers[*layer_id]->add_surface(surface_id);
1220     this->layout_commit();
1221     // activate the main_surface right away
1222     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1223       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1224
1225       this->api_activate_surface(
1226          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1227    }*/
1228
1229     // search pid from surfaceID
1230
1231     // pick up appid from pid from application manager
1232
1233     // check appid then add it to the client
1234 }
1235
1236 void App::surface_removed(uint32_t surface_id)
1237 {
1238     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1239
1240     g_app_list.removeSurface(surface_id);
1241 }
1242
1243 void App::emit_activated(char const *label)
1244 {
1245     this->send_event(kListEventName[Event_Active], label);
1246 }
1247
1248 void App::emit_deactivated(char const *label)
1249 {
1250     this->send_event(kListEventName[Event_Inactive], label);
1251 }
1252
1253 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1254 {
1255     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1256 }
1257
1258 void App::emit_syncdraw(const std::string &role, const std::string &area)
1259 {
1260     compositor::rect rect = this->layers.getAreaSize(area);
1261     //this->lm_get_area_info(area, &x, &y, &w, &h);
1262     this->send_event(kListEventName[Event_SyncDraw],
1263         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1264 }
1265
1266 void App::emit_flushdraw(char const *label)
1267 {
1268     this->send_event(kListEventName[Event_FlushDraw], label);
1269 }
1270
1271 void App::emit_visible(char const *label, bool is_visible)
1272 {
1273     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1274 }
1275
1276 void App::emit_invisible(char const *label)
1277 {
1278     return emit_visible(label, false);
1279 }
1280
1281 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1282
1283 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1284 {
1285     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1286     if (!lid)
1287     {
1288         /**
1289        * register drawing_name as fallback and make it displayed.
1290        */
1291         lid = this->layers.get_layer_id(std::string("Fallback"));
1292         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1293         if (!lid)
1294         {
1295             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1296         }
1297     }
1298
1299     auto rname = this->lookup_id(drawing_name);
1300     if (!rname)
1301     {
1302         // name does not exist yet, allocate surface id...
1303         auto id = int(this->id_alloc.generate_id(drawing_name));
1304         this->layers.add_surface(id, *lid);
1305
1306         // set the main_surface[_name] here and now
1307         if (!this->layers.main_surface_name.empty() &&
1308             this->layers.main_surface_name == drawing_name)
1309         {
1310             this->layers.main_surface = id;
1311             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1312         }
1313
1314         // add client into the db
1315         std::string appid_str(appid);
1316         std::string role(drawing_name);
1317         //g_app_list.addClient(appid_str, role);
1318         g_app_list.addClient(appid_str, *lid, id, role);
1319
1320         return Ok<int>(id);
1321     }
1322
1323     // Check currently registered drawing names if it is already there.
1324     return Err<int>("Surface already present");
1325 }
1326
1327 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1328                                      char const *ivi_id)
1329 {
1330     ST();
1331
1332     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1333     unsigned sid = std::stol(ivi_id);
1334
1335     if (!lid)
1336     {
1337         /**
1338        * register drawing_name as fallback and make it displayed.
1339        */
1340         lid = this->layers.get_layer_id(std::string("Fallback"));
1341         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1342         if (!lid)
1343         {
1344             return "Drawing name does not match any role, Fallback is disabled";
1345         }
1346     }
1347
1348     auto rname = this->lookup_id(drawing_name);
1349
1350     if (rname)
1351     {
1352         return "Surface already present";
1353     }
1354
1355     // register pair drawing_name and ivi_id
1356     this->id_alloc.register_name_id(drawing_name, sid);
1357     this->layers.add_surface(sid, *lid);
1358
1359     // this surface is already created
1360     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1361
1362     this->controller->layers[*lid]->add_surface(sid);
1363     this->layout_commit();
1364
1365     return nullptr;
1366 }
1367
1368 result<json_object *> App::api_get_display_info()
1369 {
1370     // Check controller
1371     if (!this->controller)
1372     {
1373         return Err<json_object *>("ivi_controller global not available");
1374     }
1375
1376     // Set display info
1377     compositor::size o_size = this->controller->output_size;
1378     compositor::size p_size = this->controller->physical_size;
1379
1380     json_object *object = json_object_new_object();
1381     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1382     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1383     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1384     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1385
1386     return Ok<json_object *>(object);
1387 }
1388
1389 result<json_object *> App::api_get_area_info(char const *drawing_name)
1390 {
1391     HMI_DEBUG("wm", "called");
1392
1393     // Check drawing name, surface/layer id
1394     auto const &surface_id = this->lookup_id(drawing_name);
1395     if (!surface_id)
1396     {
1397         return Err<json_object *>("Surface does not exist");
1398     }
1399
1400     if (!this->controller->surface_exists(*surface_id))
1401     {
1402         return Err<json_object *>("Surface does not exist in controller!");
1403     }
1404
1405     auto layer_id = this->layers.get_layer_id(*surface_id);
1406     if (!layer_id)
1407     {
1408         return Err<json_object *>("Surface is not on any layer!");
1409     }
1410
1411     auto o_state = *this->layers.get_layout_state(*surface_id);
1412     if (o_state == nullptr)
1413     {
1414         return Err<json_object *>("Could not find layer for surface");
1415     }
1416
1417     struct LayoutState &state = *o_state;
1418     if ((state.main != *surface_id) && (state.sub != *surface_id))
1419     {
1420         return Err<json_object *>("Surface is inactive");
1421     }
1422
1423     // Set area rectangle
1424     compositor::rect area_info = this->area_info[*surface_id];
1425     json_object *object = json_object_new_object();
1426     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1427     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1428     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1429     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1430
1431     return Ok<json_object *>(object);
1432 }
1433
1434 void App::activate(int id)
1435 {
1436     auto ip = this->controller->sprops.find(id);
1437     if (ip != this->controller->sprops.end())
1438     {
1439         this->controller->surfaces[id]->set_visibility(1);
1440         char const *label =
1441             this->lookup_name(id).value_or("unknown-name").c_str();
1442
1443         // FOR CES DEMO >>>
1444         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1445         {
1446             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1447             {
1448                 if (id == *i)
1449                 {
1450                     // Remove id
1451                     this->surface_bg.erase(i);
1452
1453                     // Remove from BG layer (999)
1454                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1455                     this->controller->layers[999]->remove_surface(id);
1456
1457                     // Add to FG layer (1001)
1458                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1459                     this->controller->layers[1001]->add_surface(id);
1460
1461                     for (int j : this->surface_bg)
1462                     {
1463                         HMI_DEBUG("wm", "Stored id:%d", j);
1464                     }
1465                     break;
1466                 }
1467             }
1468         }
1469         // <<< FOR CES DEMO
1470         this->layout_commit();
1471
1472         this->emit_visible(label);
1473         this->emit_activated(label);
1474     }
1475 }
1476
1477 void App::deactivate(int id)
1478 {
1479     auto ip = this->controller->sprops.find(id);
1480     if (ip != this->controller->sprops.end())
1481     {
1482         char const *label =
1483             this->lookup_name(id).value_or("unknown-name").c_str();
1484
1485         // FOR CES DEMO >>>
1486         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1487         {
1488
1489             // Store id
1490             this->surface_bg.push_back(id);
1491
1492             // Remove from FG layer (1001)
1493             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1494             this->controller->layers[1001]->remove_surface(id);
1495
1496             // Add to BG layer (999)
1497             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1498             this->controller->layers[999]->add_surface(id);
1499
1500             for (int j : surface_bg)
1501             {
1502                 HMI_DEBUG("wm", "Stored id:%d", j);
1503             }
1504         }
1505         else
1506         {
1507             this->controller->surfaces[id]->set_visibility(0);
1508         }
1509         // <<< FOR CES DEMO
1510
1511         this->emit_deactivated(label);
1512         this->emit_invisible(label);
1513     }
1514 }
1515
1516 void App::deactivate_main_surface()
1517 {
1518     this->layers.main_surface = -1;
1519     std::string appid = "HomeScreen";
1520     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1521 }
1522
1523 bool App::can_split(struct LayoutState const &state, int new_id)
1524 {
1525     if (state.main != -1 && state.main != new_id)
1526     {
1527         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1528         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1529
1530         // surfaces are on separate layers, don't bother.
1531         if (new_id_layer != current_id_layer)
1532         {
1533             return false;
1534         }
1535
1536         std::string const &new_id_str = this->lookup_name(new_id).value();
1537         std::string const &cur_id_str = this->lookup_name(state.main).value();
1538
1539         auto const &layer = this->layers.get_layer(new_id_layer);
1540
1541         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1542
1543         if (layer->layouts.empty())
1544         {
1545             return false;
1546         }
1547
1548         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1549         {
1550             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1551             auto rem = std::regex(i->main_match);
1552             if (std::regex_match(cur_id_str, rem))
1553             {
1554                 // build the second one only if the first already matched
1555                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1556                 auto res = std::regex(i->sub_match);
1557                 if (std::regex_match(new_id_str, res))
1558                 {
1559                     HMI_DEBUG("wm", "layout matched!");
1560                     return true;
1561                 }
1562             }
1563         }
1564     }
1565
1566     return false;
1567 }
1568
1569 void App::try_layout(struct LayoutState & /*state*/,
1570                      struct LayoutState const &new_layout,
1571                      std::function<void(LayoutState const &nl)> apply)
1572 {
1573     if (this->policy.layout_is_valid(new_layout))
1574     {
1575         apply(new_layout);
1576     }
1577 }
1578
1579 /**
1580  * controller_hooks
1581  */
1582 void controller_hooks::surface_created(uint32_t surface_id)
1583 {
1584     this->app->surface_created(surface_id);
1585 }
1586
1587 void controller_hooks::surface_removed(uint32_t surface_id)
1588 {
1589     this->app->surface_removed(surface_id);
1590 }
1591
1592 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1593                                           uint32_t /*v*/) {}
1594
1595 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1596                                                      uint32_t /*x*/,
1597                                                      uint32_t /*y*/,
1598                                                      uint32_t /*w*/,
1599                                                      uint32_t /*h*/) {}
1600
1601 } // namespace wm