c9bb103bc7923b770b899ba7e816d48708b9dee7
[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 static const unsigned kTimeOut = 3000000UL; /* 3s */
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 void App::exeptionProcessForTransition()
137 {
138     unsigned req_num = g_app_list.currentRequestNumber();
139     HMI_SEQ_NOTICE(req_num, "Process exeption handling for request. Remove current request %d", req_num);
140     g_app_list.removeRequest(req_num);
141     HMI_SEQ_NOTICE(g_app_list.currentRequestNumber(), "Process next request if exists");
142     this->processNextRequest();
143 }
144
145 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
146 {
147     if(!g_app_list.contains(appid)){
148         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
149         return false;
150     }
151     auto client = g_app_list.lookUpClient(appid);
152     return client->subscribe(req, evname);
153 }
154
155 /**
156  * App Impl
157  */
158 App::App(wl::display *d)
159     : chooks{this},
160       display{d},
161       controller{},
162       outputs(),
163       config(),
164       layers(),
165       id_alloc{},
166       pending_events(false),
167       policy{}
168 {
169     try
170     {
171         {
172             auto l = load_layer_map(
173                 this->config.get_string("layers.json").value().c_str());
174             if (l.is_ok())
175             {
176                 this->layers = l.unwrap();
177             }
178             else
179             {
180                 HMI_ERROR("wm", "%s", l.err().value());
181             }
182         }
183     }
184     catch (std::exception &e)
185     {
186         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
187     }
188 }
189
190 int App::init()
191 {
192     if (!this->display->ok())
193     {
194         return -1;
195     }
196
197     if (this->layers.mapping.empty())
198     {
199         HMI_ERROR("wm", "No surface -> layer mapping loaded");
200         return -1;
201     }
202
203     // Make afb event
204     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
205     {
206         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
207     }
208
209     this->display->add_global_handler(
210         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
211             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
212         });
213
214     this->display->add_global_handler(
215         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
216             this->controller =
217                 std::make_unique<struct compositor::controller>(r, name, v);
218
219             // Init controller hooks
220             this->controller->chooks = &this->chooks;
221
222             // This protocol needs the output, so lets just add our mapping here...
223             this->controller->add_proxy_to_id_mapping(
224                 this->outputs.back()->proxy.get(),
225                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
226                     this->outputs.back()->proxy.get())));
227
228             // Create screen
229             this->controller->create_screen(this->outputs.back()->proxy.get());
230
231             // Set display to controller
232             this->controller->display = this->display;
233         });
234
235     // First level objects
236     this->display->roundtrip();
237     // Second level objects
238     this->display->roundtrip();
239     // Third level objects
240     this->display->roundtrip();
241
242     return init_layers();
243 }
244
245 int App::dispatch_pending_events()
246 {
247     if (this->pop_pending_events())
248     {
249         this->display->dispatch_pending();
250         return 0;
251     }
252     return -1;
253 }
254
255 bool App::pop_pending_events()
256 {
257     bool x{true};
258     return this->pending_events.compare_exchange_strong(
259         x, false, std::memory_order_consume);
260 }
261
262 void App::set_pending_events()
263 {
264     this->pending_events.store(true, std::memory_order_release);
265 }
266
267 optional<int> App::lookup_id(char const *name)
268 {
269     return this->id_alloc.lookup(std::string(name));
270 }
271 optional<std::string> App::lookup_name(int id)
272 {
273     return this->id_alloc.lookup(id);
274 }
275
276 /**
277  * init_layers()
278  */
279 int App::init_layers()
280 {
281     if (!this->controller)
282     {
283         HMI_ERROR("wm", "ivi_controller global not available");
284         return -1;
285     }
286
287     if (this->outputs.empty())
288     {
289         HMI_ERROR("wm", "no output was set up!");
290         return -1;
291     }
292
293     auto &c = this->controller;
294
295     auto &o = this->outputs.front();
296     auto &s = c->screens.begin()->second;
297     auto &layers = c->layers;
298
299     // Write output dimensions to ivi controller...
300     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
301     c->physical_size = compositor::size{uint32_t(o->physical_width),
302                                         uint32_t(o->physical_height)};
303
304     // Clear scene
305     layers.clear();
306
307     // Clear screen
308     s->clear();
309
310     // Quick and dirty setup of layers
311     for (auto const &i : this->layers.mapping)
312     {
313         c->layer_create(i.second.layer_id, o->width, o->height);
314         auto &l = layers[i.second.layer_id];
315         l->set_destination_rectangle(0, 0, o->width, o->height);
316         l->set_visibility(1);
317         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
318                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
319     }
320
321     // Add layers to screen
322     s->set_render_order(this->layers.layers);
323
324     this->layout_commit();
325
326     this->layers.setupArea(o->width, o->height);
327
328     return 0;
329 }
330
331 void App::surface_set_layout(int surface_id, const std::string& area)
332 {
333     if (!this->controller->surface_exists(surface_id))
334     {
335         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
336         return;
337     }
338
339     auto o_layer_id = this->layers.get_layer_id(surface_id);
340
341     if (!o_layer_id)
342     {
343         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
344         return;
345     }
346
347     uint32_t layer_id = *o_layer_id;
348
349     auto const &layer = this->layers.get_layer(layer_id);
350     auto rect = this->layers.getAreaSize(area);
351     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "%s : x:%d y:%d w:%d h:%d", area.c_str(),
352                     rect.x, rect.y, rect.w, rect.h);
353     auto &s = this->controller->surfaces[surface_id];
354
355     int x = rect.x;
356     int y = rect.y;
357     int w = rect.w;
358     int h = rect.h;
359
360     // less-than-0 values refer to MAX + 1 - $VALUE
361     // e.g. MAX is either screen width or height
362     if (w < 0)
363     {
364         w = this->controller->output_size.w + 1 + w;
365     }
366     if (h < 0)
367     {
368         h = this->controller->output_size.h + 1 + h;
369     }
370
371     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
372               layer_id);
373
374     // set destination to the display rectangle
375     s->set_destination_rectangle(x, y, w, h);
376
377     // update area information
378     this->area_info[surface_id].x = x;
379     this->area_info[surface_id].y = y;
380     this->area_info[surface_id].w = w;
381     this->area_info[surface_id].h = h;
382
383     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
384               surface_id, layer_id, x, y, w, h);
385 }
386
387 void App::layout_commit()
388 {
389     this->controller->commit_changes();
390     this->display->flush();
391 }
392
393 void App::setTimer()
394 {
395     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
396     if (g_timer_ev_src == nullptr)
397     {
398         // firsttime set into sd_event
399         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
400             CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
401         if (ret < 0)
402         {
403             HMI_ERROR("wm", "Could't set timer");
404         }
405     }
406     else
407     {
408         // update timer limitation after second time
409         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
410         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
411     }
412 }
413
414 void App::stopTimer()
415 {
416     unsigned req_num = g_app_list.currentRequestNumber();
417     HMI_SEQ_DEBUG(req_num, "Timer stop");
418     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
419     if (rc < 0)
420     {
421         HMI_SEQ_ERROR(req_num, "Timer stop failed");
422     }
423 }
424
425 WMError App::doTransition(unsigned req_num)
426 {
427     HMI_SEQ_DEBUG(req_num, "check policy");
428     WMError ret = this->checkPolicy(req_num);
429     if (ret != WMError::SUCCESS)
430     {
431         return ret;
432     }
433     HMI_SEQ_DEBUG(req_num, "Start transition.");
434     ret = this->startTransition(req_num);
435     return ret;
436 }
437
438 WMError App::checkPolicy(unsigned req_num)
439 {
440     /*
441     * Check Policy
442     */
443     // get current trigger
444     bool found = false;
445     bool split = false;
446     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
447     auto trigger = g_app_list.getRequest(req_num, &found);
448     if (!found)
449     {
450         ret = WMError::NO_ENTRY;
451         return ret;
452     }
453     std::string req_area = trigger.area;
454
455     // >>>> Compatible with current window manager until policy manager coming
456     if (trigger.task == Task::TASK_ALLOCATE)
457     {
458         HMI_SEQ_DEBUG(req_num, "Check split or not");
459         const char *msg = this->check_surface_exist(trigger.role.c_str());
460
461         if (msg)
462         {
463             HMI_SEQ_ERROR(req_num, msg);
464             ret = WMError::LAYOUT_CHANGE_FAIL;
465             return ret;
466         }
467
468         auto const &surface_id = this->lookup_id(trigger.role.c_str());
469         auto o_state = *this->layers.get_layout_state(*surface_id);
470         struct LayoutState &state = *o_state;
471
472         unsigned curernt_sid = state.main;
473         split = this->can_split(state, *surface_id);
474
475         if (split)
476         {
477             HMI_SEQ_DEBUG(req_num, "Split happens");
478             // Get current visible role
479             std::string add_role = this->lookup_name(state.main).value();
480             // Set next area
481             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
482             // Change request area
483             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
484             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen",
485                                 trigger.area, req_area);
486             // set another action
487             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
488             if (!found)
489             {
490                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
491                 ret = WMError::NOT_REGISTERED;
492                 return ret;
493             }
494             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
495                          add_name.c_str(), add_role.c_str(), add_area.c_str());
496             // Set split action
497             bool end_draw_finished = false;
498             WMAction split_action{
499                 add_name,
500                 add_role,
501                 add_area,
502                 TaskVisible::VISIBLE,
503                 end_draw_finished};
504             WMError ret = g_app_list.setAction(req_num, split_action);
505             if (ret != WMError::SUCCESS)
506             {
507                 HMI_SEQ_ERROR(req_num, "Failed to set action");
508                 return ret;
509             }
510             g_app_list.reqDump();
511         }
512     }
513     else
514     {
515         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
516     }
517
518     // Set invisible task(Remove if policy manager finish)
519     ret = this->setInvisibleTask(trigger.role, split);
520     if(ret != WMError::SUCCESS)
521     {
522         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
523         return ret;
524     }
525
526     /*  get new status from Policy Manager */
527     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
528     if(trigger.role == "HomeScreen")
529     {
530         // TODO : Remove when Policy Manager completed
531         HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
532         req_area = "fullscreen";
533     }
534     TaskVisible task_visible =
535         (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
536
537     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
538     g_app_list.reqDump();
539
540     return ret;
541 }
542
543 WMError App::startTransition(unsigned req_num)
544 {
545     bool sync_draw_happen = false;
546     bool found = false;
547     WMError ret = WMError::SUCCESS;
548     auto actions = g_app_list.getActions(req_num, &found);
549     if (!found)
550     {
551         ret = WMError::NO_ENTRY;
552         HMI_SEQ_ERROR(req_num,
553             "Window Manager bug :%s : Action is not set", errorDescription(ret));
554         return ret;
555     }
556
557     for (const auto &action : actions)
558     {
559         if (action.visible != TaskVisible::INVISIBLE)
560         {
561             sync_draw_happen = true;
562             this->emit_syncdraw(action.role, action.area);
563             /* TODO: emit event for app not subscriber
564             if(g_app_list.contains(y.appid))
565                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
566         }
567     }
568
569     if (sync_draw_happen)
570     {
571         this->setTimer();
572     }
573     else
574     {
575         // deactivate only, no syncDraw
576         // Make it deactivate here
577         for (const auto &x : actions)
578         {
579             if (g_app_list.contains(x.appid))
580             {
581                 auto client = g_app_list.lookUpClient(x.appid);
582                 this->deactivate(client->surfaceID(x.role));
583             }
584         }
585         ret = NO_LAYOUT_CHANGE;
586     }
587     return ret;
588 }
589
590 WMError App::setInvisibleTask(const std::string &role, bool split)
591 {
592     unsigned req_num = g_app_list.currentRequestNumber();
593     HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
594     // This task is copied from original actiavete surface
595     const char *drawing_name = role.c_str();
596     auto const &surface_id = this->lookup_id(drawing_name);
597     auto layer_id = this->layers.get_layer_id(*surface_id);
598     auto o_state = *this->layers.get_layout_state(*surface_id);
599     struct LayoutState &state = *o_state;
600     std::string add_name, add_role;
601     std::string add_area = "";
602     int surface;
603     TaskVisible task_visible = TaskVisible::INVISIBLE;
604     bool end_draw_finished = true;
605     bool found = false;
606
607     for (auto const &l : this->layers.mapping)
608     {
609         if (l.second.layer_id <= *layer_id)
610         {
611             continue;
612         }
613         HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
614         if (l.second.state.main != -1)
615         {
616             //this->deactivate(l.second.state.main);
617             surface = l.second.state.main;
618             add_role = *this->id_alloc.lookup(surface);
619             add_name = g_app_list.getAppID(surface, add_role, &found);
620             if(!found){
621                 return WMError::NOT_REGISTERED;
622             }
623             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
624             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
625             g_app_list.setAction(req_num, act);
626             l.second.state.main = -1;
627         }
628
629         if (l.second.state.sub != -1)
630         {
631             //this->deactivate(l.second.state.sub);
632             surface = l.second.state.sub;
633             add_role = *this->id_alloc.lookup(surface);
634             add_name = g_app_list.getAppID(surface, add_role, &found);
635             if (!found)
636             {
637                 return WMError::NOT_REGISTERED;
638             }
639             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
640             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
641             g_app_list.setAction(req_num, act);
642             l.second.state.sub = -1;
643         }
644     }
645
646     // change current state here, but this is hack
647     auto layer = this->layers.get_layer(*layer_id);
648
649     if (state.main == -1)
650     {
651         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
652         //state = LayoutState{*surface_id};
653         /* this->try_layout(
654             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
655                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
656                 //this->surface_set_layout(*surface_id);
657                 state = nl;
658
659                 //compositor::rect area_rect = this->area_info[*surface_id];
660             }); */
661     }
662     else
663     {
664         if (0 != strcmp(drawing_name, "HomeScreen"))
665         {
666             if (split)
667             {
668                 std::string main =
669                     std::move(*this->id_alloc.lookup(state.main));
670                 if (state.sub != *surface_id)
671                 {
672                     if (state.sub != -1)
673                     {
674                         //this->deactivate(state.sub);
675                         WMAction deact_sub;
676                         deact_sub.role = main;
677                         deact_sub.area = add_area;
678                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
679                         if (!found)
680                         {
681                             HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
682                             return WMError::NOT_REGISTERED;
683                         }
684                         deact_sub.visible = task_visible;
685                         deact_sub.end_draw_finished = end_draw_finished;
686                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
687                         g_app_list.setAction(req_num, deact_sub);
688                     }
689                 }
690                 //state = LayoutState{state.main, *surface_id};
691             }
692             else
693             {
694                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
695
696                 //this->surface_set_layout(*surface_id);
697                 if (state.main != *surface_id)
698                 {
699                     // this->deactivate(state.main);
700                     WMAction deact_main;
701                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
702                     ;
703                     deact_main.area = add_area;
704                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
705                     if (!found)
706                     {
707                         HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
708                         return WMError::NOT_REGISTERED;
709                     }
710                     deact_main.visible = task_visible;
711                     deact_main.end_draw_finished = end_draw_finished;
712                     HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
713                     g_app_list.setAction(req_num, deact_main);
714                 }
715                 if (state.sub != -1)
716                 {
717                     if (state.sub != *surface_id)
718                     {
719                         //this->deactivate(state.sub);
720                         WMAction deact_sub;
721                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
722                         ;
723                         deact_sub.area = add_area;
724                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
725                         if (!found)
726                         {
727                             HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
728                             return WMError::NOT_REGISTERED;
729                         }
730                         deact_sub.visible = task_visible;
731                         deact_sub.end_draw_finished = end_draw_finished;
732                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
733                         g_app_list.setAction(req_num, deact_sub);
734                     }
735                 }
736                 //state = LayoutState{*surface_id};
737             }
738         }
739     }
740     return WMError::SUCCESS;
741 }
742
743 const char *App::check_surface_exist(const char *drawing_name)
744 {
745     auto const &surface_id = this->lookup_id(drawing_name);
746     if (!surface_id)
747     {
748         //reply("Surface does not exist");
749         return "Surface does not exist";
750     }
751
752     if (!this->controller->surface_exists(*surface_id))
753     {
754         //reply("Surface does not exist in controller!");
755         return "Surface does not exist in controller!";
756     }
757
758     auto layer_id = this->layers.get_layer_id(*surface_id);
759
760     if (!layer_id)
761     {
762         //reply("Surface is not on any layer!");
763         return "Surface is not on any layer!";
764     }
765
766     auto o_state = *this->layers.get_layout_state(*surface_id);
767
768     if (o_state == nullptr)
769     {
770         //reply("Could not find layer for surface");
771         return "Could not find layer for surface";
772     }
773
774     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
775     return nullptr;
776     //reply(nullptr);
777 }
778
779 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
780                             Task task, unsigned* req_num)
781 {
782     if (!g_app_list.contains(appid))
783     {
784         return WMError::NOT_REGISTERED;
785     }
786
787     auto client = g_app_list.lookUpClient(appid);
788
789     /*
790    * Queueing Phase
791    */
792     unsigned current = g_app_list.currentRequestNumber();
793     unsigned requested_num = g_app_list.getRequestNumber(appid);
794     if (requested_num != 0)
795     {
796         HMI_SEQ_INFO(requested_num,
797             "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
798         return REQ_REJECTED;
799     }
800
801     WMRequest req = WMRequest(appid, role, area, task);
802     unsigned new_req = g_app_list.addRequest(req);
803     *req_num = new_req;
804     g_app_list.reqDump();
805
806     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
807
808     return WMError::SUCCESS;
809 }
810
811 void App::api_activate_surface(char const *appid, char const *drawing_name,
812                                char const *drawing_area, const reply_func &reply)
813 {
814     ST();
815
816     std::string id = appid;
817     std::string role = drawing_name;
818     std::string area = drawing_area;
819     Task task = Task::TASK_ALLOCATE;
820     unsigned req_num = 0;
821     WMError ret = WMError::UNKNOWN;
822
823     ret = this->setRequest(id, role, area, task, &req_num);
824
825     if(ret != WMError::SUCCESS)
826     {
827         HMI_ERROR("wm", errorDescription(ret));
828         reply("Failed to set request");
829         return;
830     }
831
832     reply(nullptr);
833     if (req_num != g_app_list.currentRequestNumber())
834     {
835         // Add request, then invoked after the previous task is finished
836         HMI_SEQ_DEBUG(req_num, "request is accepted");
837         return;
838     }
839
840     /*
841     * Do allocate tasks
842     */
843     ret = this->doTransition(req_num);
844
845     if (ret != WMError::SUCCESS)
846     {
847         //this->emit_error()
848         HMI_SEQ_ERROR(req_num, errorDescription(ret));
849         g_app_list.removeRequest(req_num);
850         this->processNextRequest();
851     }
852 }
853
854 void App::api_deactivate_surface(char const *appid, char const *drawing_name,
855                                  const reply_func &reply)
856 {
857     ST();
858
859     /*
860    * Check Phase
861    */
862     std::string id = appid;
863     std::string role = drawing_name;
864     std::string area = ""; //drawing_area;
865     Task task = Task::TASK_RELEASE;
866     unsigned req_num = 0;
867     WMError ret = WMError::UNKNOWN;
868
869     ret = this->setRequest(id, role, area, task, &req_num);
870
871     if (ret != WMError::SUCCESS)
872     {
873         HMI_ERROR("wm", errorDescription(ret));
874         reply("Failed to set request");
875         return;
876     }
877
878     reply(nullptr);
879     if (req_num != g_app_list.currentRequestNumber())
880     {
881         // Add request, then invoked after the previous task is finished
882         HMI_SEQ_DEBUG(req_num, "request is accepted");
883         return;
884     }
885
886     /*
887     * Do allocate tasks
888     */
889     ret = this->doTransition(req_num);
890
891     if (ret != WMError::SUCCESS)
892     {
893         //this->emit_error()
894         HMI_SEQ_ERROR(req_num, errorDescription(ret));
895         g_app_list.removeRequest(req_num);
896         this->processNextRequest();
897     }
898 }
899
900 WMError App::doEndDraw(unsigned req_num)
901 {
902     // get actions
903     bool found;
904     auto actions = g_app_list.getActions(req_num, &found);
905     WMError ret = WMError::SUCCESS;
906     if (!found)
907     {
908         ret = WMError::NO_ENTRY;
909         return ret;
910     }
911
912     HMI_SEQ_INFO(req_num, "do endDraw");
913
914     // layout change and make it visible
915     for (const auto &act : actions)
916     {
917         // layout change
918         if(!g_app_list.contains(act.appid)){
919             ret = WMError::NOT_REGISTERED;
920         }
921         ret = this->layoutChange(act);
922         if(ret != WMError::SUCCESS)
923         {
924             HMI_SEQ_WARNING(req_num,
925                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
926             return ret;
927         }
928         ret = this->visibilityChange(act);
929         if (ret != WMError::SUCCESS)
930         {
931             HMI_SEQ_WARNING(req_num,
932                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
933             return ret;
934         }
935         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
936         //this->lm_enddraw(act.role.c_str());
937     }
938
939     // Change current state
940     this->changeCurrentState(req_num);
941
942     HMI_SEQ_INFO(req_num, "emit flushDraw");
943
944     for(const auto &act_flush : actions)
945     {
946         if(act_flush.visible != TaskVisible::INVISIBLE)
947         {
948             this->emit_flushdraw(act_flush.role.c_str());
949         }
950     }
951
952     return ret;
953 }
954
955 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
956 {
957     this->surface_set_layout(surface, area);
958
959     return WMError::SUCCESS;
960 }
961
962 WMError App::layoutChange(const WMAction &action)
963 {
964     if (action.visible == TaskVisible::INVISIBLE)
965     {
966         // Visibility is not change -> no redraw is required
967         return WMError::SUCCESS;
968     }
969     auto client = g_app_list.lookUpClient(action.appid);
970     unsigned surface = client->surfaceID(action.role);
971     if (surface == 0)
972     {
973         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
974                       "client doesn't have surface with role(%s)", action.role.c_str());
975         return WMError::NOT_REGISTERED;
976     }
977     // Layout Manager
978     WMError ret = this->setSurfaceSize(surface, action.area);
979     return ret;
980 }
981
982 WMError App::visibilityChange(const WMAction &action)
983 {
984     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
985     if(!g_app_list.contains(action.appid)){
986         return WMError::NOT_REGISTERED;
987     }
988     auto client = g_app_list.lookUpClient(action.appid);
989     unsigned surface = client->surfaceID(action.role);
990     if(surface == 0)
991     {
992         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
993                       "client doesn't have surface with role(%s)", action.role.c_str());
994         return WMError::NOT_REGISTERED;
995     }
996
997     if (action.visible != TaskVisible::INVISIBLE)
998     {
999         this->activate(surface); // Layout Manager task
1000     }
1001     else
1002     {
1003         this->deactivate(surface); // Layout Manager task
1004     }
1005     return WMError::SUCCESS;
1006 }
1007
1008 WMError App::changeCurrentState(unsigned req_num)
1009 {
1010     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1011     bool trigger_found = false, action_found = false;
1012     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1013     auto actions = g_app_list.getActions(req_num, &action_found);
1014     if (!trigger_found || !action_found)
1015     {
1016         HMI_SEQ_ERROR(req_num, "Action not found");
1017         return WMError::LAYOUT_CHANGE_FAIL;
1018     }
1019
1020     // Layout state reset
1021     struct LayoutState reset_state{-1, -1};
1022     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1023     for (const auto &action : actions)
1024     {
1025         if(!g_app_list.contains(action.appid)){
1026             return WMError::NOT_REGISTERED;
1027         }
1028         auto client = g_app_list.lookUpClient(action.appid);
1029         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1030         if(pCurState == nullptr)
1031         {
1032             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1033             continue;
1034         }
1035         pCurState->main = reset_state.main;
1036         pCurState->sub = reset_state.sub;
1037     }
1038
1039     HMI_SEQ_DEBUG(req_num, "Change state");
1040     for (const auto &action : actions)
1041     {
1042         auto client = g_app_list.lookUpClient(action.appid);
1043         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1044         if (pLayerCurState == nullptr)
1045         {
1046             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1047             continue;
1048         }
1049         int surface = -1;
1050
1051         if (action.visible != TaskVisible::INVISIBLE)
1052         {
1053             surface = (int)client->surfaceID(action.role);
1054             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
1055                             action.role.c_str(), surface, action.area.c_str());
1056             // visible == true -> layout changes
1057             if(action.area == "normal.full" || action.area == "split.main")
1058             {
1059                 pLayerCurState->main = surface;
1060             }
1061             else if (action.area == "split.sub")
1062             {
1063                 pLayerCurState->sub = surface;
1064             }
1065             else
1066             {
1067                 // normalfull
1068                 pLayerCurState->main = surface;
1069             }
1070         }
1071     }
1072
1073     return WMError::SUCCESS;
1074 }
1075
1076 void App::api_enddraw(char const *appid, char const *drawing_name)
1077 {
1078     std::string id = appid;
1079     std::string role = drawing_name;
1080     unsigned current_req = g_app_list.currentRequestNumber();
1081     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1082
1083     if (!result)
1084     {
1085         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1086         return;
1087     }
1088
1089     if (g_app_list.endDrawFullfilled(current_req))
1090     {
1091         // do task for endDraw
1092         this->stopTimer();
1093         WMError ret = this->doEndDraw(current_req);
1094
1095         if(ret != WMError::SUCCESS)
1096         {
1097             //this->emit_error();
1098         }
1099         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1100
1101         g_app_list.removeRequest(current_req);
1102
1103         this->processNextRequest();
1104     }
1105     else
1106     {
1107         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1108         return;
1109     }
1110 }
1111
1112 void App::processNextRequest()
1113 {
1114     g_app_list.next();
1115     g_app_list.reqDump();
1116     unsigned req_num = g_app_list.currentRequestNumber();
1117     if (g_app_list.haveRequest())
1118     {
1119         HMI_SEQ_DEBUG(req_num, "Process next request");
1120         WMError rc = doTransition(req_num);
1121         if (rc != WMError::SUCCESS)
1122         {
1123             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1124         }
1125     }
1126     else
1127     {
1128         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1129     }
1130 }
1131
1132 void App::api_ping() { this->dispatch_pending_events(); }
1133
1134 void App::send_event(char const *evname, char const *label)
1135 {
1136     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1137
1138     json_object *j = json_object_new_object();
1139     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1140
1141     int ret = afb_event_push(this->map_afb_event[evname], j);
1142     if (ret != 0)
1143     {
1144         HMI_DEBUG("wm", "afb_event_push failed: %m");
1145     }
1146 }
1147
1148 void App::send_event(char const *evname, char const *label, char const *area,
1149                      int x, int y, int w, int h)
1150 {
1151     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1152               __func__, evname, label, area, x, y, w, h);
1153
1154     json_object *j_rect = json_object_new_object();
1155     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1156     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1157     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1158     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1159
1160     json_object *j = json_object_new_object();
1161     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1162     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1163     json_object_object_add(j, kKeyDrawingRect, j_rect);
1164
1165     int ret = afb_event_push(this->map_afb_event[evname], j);
1166     if (ret != 0)
1167     {
1168         HMI_DEBUG("wm", "afb_event_push failed: %m");
1169     }
1170 }
1171
1172 /**
1173  * proxied events
1174  */
1175 void App::surface_created(uint32_t surface_id)
1176 {
1177     auto layer_id = this->layers.get_layer_id(surface_id);
1178     if (!layer_id)
1179     {
1180         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1181                   surface_id);
1182         return;
1183     }
1184
1185     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1186
1187     this->controller->layers[*layer_id]->add_surface(surface_id);
1188     this->layout_commit();
1189     // activate the main_surface right away
1190     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1191       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1192
1193       this->api_activate_surface(
1194          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1195    }*/
1196
1197     // search pid from surfaceID
1198
1199     // pick up appid from pid from application manager
1200
1201     // check appid then add it to the client
1202 }
1203
1204 void App::surface_removed(uint32_t surface_id)
1205 {
1206     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1207
1208     g_app_list.removeSurface(surface_id);
1209 }
1210
1211 void App::emit_activated(char const *label)
1212 {
1213     this->send_event(kListEventName[Event_Active], label);
1214 }
1215
1216 void App::emit_deactivated(char const *label)
1217 {
1218     this->send_event(kListEventName[Event_Inactive], label);
1219 }
1220
1221 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1222 {
1223     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1224 }
1225
1226 void App::emit_syncdraw(const std::string &role, const std::string &area)
1227 {
1228     compositor::rect rect = this->layers.getAreaSize(area);
1229     //this->lm_get_area_info(area, &x, &y, &w, &h);
1230     this->send_event(kListEventName[Event_SyncDraw],
1231         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1232 }
1233
1234 void App::emit_flushdraw(char const *label)
1235 {
1236     this->send_event(kListEventName[Event_FlushDraw], label);
1237 }
1238
1239 void App::emit_visible(char const *label, bool is_visible)
1240 {
1241     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1242 }
1243
1244 void App::emit_invisible(char const *label)
1245 {
1246     return emit_visible(label, false);
1247 }
1248
1249 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1250
1251 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1252 {
1253     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1254     if (!lid)
1255     {
1256         /**
1257        * register drawing_name as fallback and make it displayed.
1258        */
1259         lid = this->layers.get_layer_id(std::string("Fallback"));
1260         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1261         if (!lid)
1262         {
1263             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1264         }
1265     }
1266
1267     auto rname = this->lookup_id(drawing_name);
1268     if (!rname)
1269     {
1270         // name does not exist yet, allocate surface id...
1271         auto id = int(this->id_alloc.generate_id(drawing_name));
1272         this->layers.add_surface(id, *lid);
1273
1274         // set the main_surface[_name] here and now
1275         if (!this->layers.main_surface_name.empty() &&
1276             this->layers.main_surface_name == drawing_name)
1277         {
1278             this->layers.main_surface = id;
1279             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1280         }
1281
1282         // add client into the db
1283         std::string appid_str(appid);
1284         std::string role(drawing_name);
1285         //g_app_list.addClient(appid_str, role);
1286         g_app_list.addClient(appid_str, *lid, id, role);
1287
1288         return Ok<int>(id);
1289     }
1290
1291     // Check currently registered drawing names if it is already there.
1292     return Err<int>("Surface already present");
1293 }
1294
1295 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1296                                      char const *ivi_id)
1297 {
1298     ST();
1299
1300     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1301     unsigned sid = std::stol(ivi_id);
1302
1303     if (!lid)
1304     {
1305         /**
1306        * register drawing_name as fallback and make it displayed.
1307        */
1308         lid = this->layers.get_layer_id(std::string("Fallback"));
1309         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1310         if (!lid)
1311         {
1312             return "Drawing name does not match any role, Fallback is disabled";
1313         }
1314     }
1315
1316     auto rname = this->lookup_id(drawing_name);
1317
1318     if (rname)
1319     {
1320         return "Surface already present";
1321     }
1322
1323     // register pair drawing_name and ivi_id
1324     this->id_alloc.register_name_id(drawing_name, sid);
1325     this->layers.add_surface(sid, *lid);
1326
1327     // this surface is already created
1328     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1329
1330     this->controller->layers[*lid]->add_surface(sid);
1331     this->layout_commit();
1332
1333     return nullptr;
1334 }
1335
1336 result<json_object *> App::api_get_display_info()
1337 {
1338     // Check controller
1339     if (!this->controller)
1340     {
1341         return Err<json_object *>("ivi_controller global not available");
1342     }
1343
1344     // Set display info
1345     compositor::size o_size = this->controller->output_size;
1346     compositor::size p_size = this->controller->physical_size;
1347
1348     json_object *object = json_object_new_object();
1349     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1350     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1351     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1352     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1353
1354     return Ok<json_object *>(object);
1355 }
1356
1357 result<json_object *> App::api_get_area_info(char const *drawing_name)
1358 {
1359     HMI_DEBUG("wm", "called");
1360
1361     // Check drawing name, surface/layer id
1362     auto const &surface_id = this->lookup_id(drawing_name);
1363     if (!surface_id)
1364     {
1365         return Err<json_object *>("Surface does not exist");
1366     }
1367
1368     if (!this->controller->surface_exists(*surface_id))
1369     {
1370         return Err<json_object *>("Surface does not exist in controller!");
1371     }
1372
1373     auto layer_id = this->layers.get_layer_id(*surface_id);
1374     if (!layer_id)
1375     {
1376         return Err<json_object *>("Surface is not on any layer!");
1377     }
1378
1379     auto o_state = *this->layers.get_layout_state(*surface_id);
1380     if (o_state == nullptr)
1381     {
1382         return Err<json_object *>("Could not find layer for surface");
1383     }
1384
1385     struct LayoutState &state = *o_state;
1386     if ((state.main != *surface_id) && (state.sub != *surface_id))
1387     {
1388         return Err<json_object *>("Surface is inactive");
1389     }
1390
1391     // Set area rectangle
1392     compositor::rect area_info = this->area_info[*surface_id];
1393     json_object *object = json_object_new_object();
1394     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1395     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1396     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1397     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1398
1399     return Ok<json_object *>(object);
1400 }
1401
1402 void App::activate(int id)
1403 {
1404     auto ip = this->controller->sprops.find(id);
1405     if (ip != this->controller->sprops.end())
1406     {
1407         this->controller->surfaces[id]->set_visibility(1);
1408         char const *label =
1409             this->lookup_name(id).value_or("unknown-name").c_str();
1410
1411          // FOR CES DEMO >>>
1412         if ((0 == strcmp(label, "Radio"))       ||
1413             (0 == strcmp(label, "MediaPlayer")) ||
1414             (0 == strcmp(label, "Music"))       ||
1415             (0 == strcmp(label, "Navigation")))
1416         {
1417             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1418             {
1419                 if (id == *i)
1420                 {
1421                     // Remove id
1422                     this->surface_bg.erase(i);
1423
1424                     // Remove from BG layer (999)
1425                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1426                     this->controller->layers[999]->remove_surface(id);
1427
1428                     // Add to FG layer (1001)
1429                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1430                     this->controller->layers[1001]->add_surface(id);
1431
1432                     for (int j : this->surface_bg)
1433                     {
1434                         HMI_DEBUG("wm", "Stored id:%d", j);
1435                     }
1436                     break;
1437                 }
1438             }
1439         }
1440         // <<< FOR CES DEMO
1441         this->layout_commit();
1442
1443         this->emit_visible(label);
1444         this->emit_activated(label);
1445     }
1446 }
1447
1448 void App::deactivate(int id)
1449 {
1450     auto ip = this->controller->sprops.find(id);
1451     if (ip != this->controller->sprops.end())
1452     {
1453         char const *label =
1454             this->lookup_name(id).value_or("unknown-name").c_str();
1455
1456         // FOR CES DEMO >>>
1457         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1458         {
1459
1460             // Store id
1461             this->surface_bg.push_back(id);
1462
1463             // Remove from FG layer (1001)
1464             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1465             this->controller->layers[1001]->remove_surface(id);
1466
1467             // Add to BG layer (999)
1468             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1469             this->controller->layers[999]->add_surface(id);
1470
1471             for (int j : surface_bg)
1472             {
1473                 HMI_DEBUG("wm", "Stored id:%d", j);
1474             }
1475         }
1476         else
1477         {
1478             this->controller->surfaces[id]->set_visibility(0);
1479         }
1480         // <<< FOR CES DEMO
1481
1482         this->emit_deactivated(label);
1483         this->emit_invisible(label);
1484     }
1485 }
1486
1487 bool App::can_split(struct LayoutState const &state, int new_id)
1488 {
1489     if (state.main != -1 && state.main != new_id)
1490     {
1491         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1492         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1493
1494         // surfaces are on separate layers, don't bother.
1495         if (new_id_layer != current_id_layer)
1496         {
1497             return false;
1498         }
1499
1500         std::string const &new_id_str = this->lookup_name(new_id).value();
1501         std::string const &cur_id_str = this->lookup_name(state.main).value();
1502
1503         auto const &layer = this->layers.get_layer(new_id_layer);
1504
1505         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1506
1507         if (layer->layouts.empty())
1508         {
1509             return false;
1510         }
1511
1512         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1513         {
1514             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1515             auto rem = std::regex(i->main_match);
1516             if (std::regex_match(cur_id_str, rem))
1517             {
1518                 // build the second one only if the first already matched
1519                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1520                 auto res = std::regex(i->sub_match);
1521                 if (std::regex_match(new_id_str, res))
1522                 {
1523                     HMI_DEBUG("wm", "layout matched!");
1524                     return true;
1525                 }
1526             }
1527         }
1528     }
1529
1530     return false;
1531 }
1532
1533 void App::try_layout(struct LayoutState & /*state*/,
1534                      struct LayoutState const &new_layout,
1535                      std::function<void(LayoutState const &nl)> apply)
1536 {
1537     if (this->policy.layout_is_valid(new_layout))
1538     {
1539         apply(new_layout);
1540     }
1541 }
1542
1543 /**
1544  * controller_hooks
1545  */
1546 void controller_hooks::surface_created(uint32_t surface_id)
1547 {
1548     this->app->surface_created(surface_id);
1549 }
1550
1551 void controller_hooks::surface_removed(uint32_t surface_id)
1552 {
1553     this->app->surface_removed(surface_id);
1554 }
1555
1556 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1557                                           uint32_t /*v*/) {}
1558
1559 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1560                                                      uint32_t /*x*/,
1561                                                      uint32_t /*y*/,
1562                                                      uint32_t /*w*/,
1563                                                      uint32_t /*h*/) {}
1564
1565 } // namespace wm