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