Remove deactivate_main_surface API
[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::lm_release(const struct WMAction &action)
426 {
427     //auto const &surface_id = this->lookup_id(drawing_name);
428     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
429     unsigned req_num = g_app_list.currentRequestNumber();
430     auto const &surface_id = this->lookup_id(action.role.c_str());
431     if (!surface_id)
432     {
433         HMI_SEQ_ERROR(req_num, "Surface does not exist");
434         return ret;
435     }
436
437     if (*surface_id == this->layers.main_surface)
438     {
439         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
440         return ret;
441     }
442
443     auto o_state = *this->layers.get_layout_state(*surface_id);
444
445     if (o_state == nullptr)
446     {
447         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
448         return ret;
449     }
450
451     struct LayoutState &state = *o_state;
452
453     if (state.main == -1)
454     {
455         HMI_SEQ_ERROR(req_num, "No surface active");
456         return ret;
457     }
458
459     // Check against main_surface, main_surface_name is the configuration item.
460     if (*surface_id == this->layers.main_surface)
461     {
462         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
463         //reply(nullptr);
464         return WMError::SUCCESS;
465     }
466     if ((state.main == *surface_id) && (state.sub == *surface_id))
467     {
468         HMI_SEQ_ERROR(req_num, "Surface is not active");
469         return ret;
470     }
471
472     if (state.main == *surface_id)
473     {
474         if (state.sub != -1)
475         {
476             this->try_layout(
477                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
478                     std::string sub = std::move(*this->lookup_name(state.sub));
479
480                     this->deactivate(*surface_id);
481                     this->surface_set_layout(state.sub);
482                     state = nl;
483
484                     this->layout_commit();
485                     std::string str_area =
486                         std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
487                     compositor::rect area_rect = this->area_info[state.sub];
488                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
489                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
490                     this->enqueue_flushdraw(state.sub);
491                 });
492         }
493         else
494         {
495             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
496                 this->deactivate(*surface_id);
497                 state = nl;
498                 this->layout_commit();
499             });
500         }
501     }
502     else if (state.sub == *surface_id)
503     {
504         this->try_layout(
505             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
506                 std::string main = std::move(*this->lookup_name(state.main));
507
508                 this->deactivate(*surface_id);
509                 this->surface_set_layout(state.main);
510                 state = nl;
511
512                 this->layout_commit();
513                 std::string str_area =
514                     std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
515                 compositor::rect area_rect = this->area_info[state.main];
516                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
517                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
518                 this->enqueue_flushdraw(state.main);
519             });
520     }
521     return WMError::SUCCESS;
522 }
523
524 WMError App::doTransition(unsigned req_num)
525 {
526     HMI_SEQ_DEBUG(req_num, "check policy");
527     WMError ret = this->checkPolicy(req_num);
528     if (ret != WMError::SUCCESS)
529     {
530         return ret;
531     }
532     HMI_SEQ_DEBUG(req_num, "Start transition.");
533     ret = this->startTransition(req_num);
534     return ret;
535 }
536
537 WMError App::checkPolicy(unsigned req_num)
538 {
539     /*
540     * Check Policy
541     */
542     // get current trigger
543     bool found = false;
544     bool split = false;
545     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
546     auto trigger = g_app_list.getRequest(req_num, &found);
547     if (!found)
548     {
549         ret = WMError::NO_ENTRY;
550         return ret;
551     }
552     std::string req_area = trigger.area;
553
554     // >>>> Compatible with current window manager until policy manager coming
555     if (trigger.task == Task::TASK_ALLOCATE)
556     {
557         HMI_SEQ_DEBUG(req_num, "Check split or not");
558         const char *msg = this->check_surface_exist(trigger.role.c_str());
559
560         if (msg)
561         {
562             HMI_SEQ_ERROR(req_num, msg);
563             ret = WMError::LAYOUT_CHANGE_FAIL;
564             return ret;
565         }
566
567         auto const &surface_id = this->lookup_id(trigger.role.c_str());
568         auto o_state = *this->layers.get_layout_state(*surface_id);
569         struct LayoutState &state = *o_state;
570
571         unsigned curernt_sid = state.main;
572         split = this->can_split(state, *surface_id);
573
574         if (split)
575         {
576             HMI_SEQ_DEBUG(req_num, "Split happens");
577             // Get current visible role
578             std::string add_role = this->lookup_name(state.main).value();
579             // Set next area
580             std::string add_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
581             // Change request area
582             req_area = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
583             HMI_SEQ_NOTICE(req_num, "Change request area from %s to %s, because split is happen",
584                                 trigger.area, req_area);
585             // set another action
586             std::string add_name = g_app_list.getAppID(curernt_sid, add_role, &found);
587             if (!found)
588             {
589                 HMI_SEQ_ERROR(req_num, "Couldn't widhdraw with surfaceID : %s", curernt_sid);
590                 ret = WMError::NOT_REGISTERED;
591                 return ret;
592             }
593             HMI_SEQ_INFO(req_num, "Additional split app %s, role: %s, area: %s",
594                          add_name.c_str(), add_role.c_str(), add_area.c_str());
595             // Set split action
596             bool end_draw_finished = false;
597             WMAction split_action{
598                 add_name,
599                 add_role,
600                 add_area,
601                 TaskVisible::VISIBLE,
602                 end_draw_finished};
603             WMError ret = g_app_list.setAction(req_num, split_action);
604             if (ret != WMError::SUCCESS)
605             {
606                 HMI_SEQ_ERROR(req_num, "Failed to set action");
607                 return ret;
608             }
609             g_app_list.reqDump();
610         }
611     }
612     else
613     {
614         HMI_SEQ_DEBUG(req_num, "split doesn't happen");
615     }
616
617     // Set invisible task(Remove if policy manager finish)
618     ret = this->setInvisibleTask(trigger.role, split);
619     if(ret != WMError::SUCCESS)
620     {
621         HMI_SEQ_ERROR(req_num, "Failed to set invisible task: %s", errorDescription(ret));
622         return ret;
623     }
624
625     /*  get new status from Policy Manager */
626     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
627     if(trigger.role == "HomeScreen")
628     {
629         // TODO : Remove when Policy Manager completed
630         HMI_SEQ_NOTICE(req_num, "Hack. This process will be removed. Change HomeScreen code!!");
631         req_area = "fullscreen";
632     }
633     TaskVisible task_visible =
634         (trigger.task == Task::TASK_ALLOCATE) ? TaskVisible::VISIBLE : TaskVisible::INVISIBLE;
635
636     ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, req_area, task_visible);
637     g_app_list.reqDump();
638
639     return ret;
640 }
641
642 WMError App::startTransition(unsigned req_num)
643 {
644     bool sync_draw_happen = false;
645     bool found = false;
646     WMError ret = WMError::SUCCESS;
647     auto actions = g_app_list.getActions(req_num, &found);
648     if (!found)
649     {
650         ret = WMError::NO_ENTRY;
651         HMI_SEQ_ERROR(req_num,
652             "Window Manager bug :%s : Action is not set", errorDescription(ret));
653         return ret;
654     }
655
656     for (const auto &action : actions)
657     {
658         if (action.visible != TaskVisible::INVISIBLE)
659         {
660             sync_draw_happen = true;
661             this->emit_syncdraw(action.role, action.area);
662             /* TODO: emit event for app not subscriber
663             if(g_app_list.contains(y.appid))
664                 g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
665         }
666     }
667
668     if (sync_draw_happen)
669     {
670         this->setTimer();
671     }
672     else
673     {
674         // deactivate only, no syncDraw
675         // Make it deactivate here
676         for (const auto &x : actions)
677         {
678             if (g_app_list.contains(x.appid))
679             {
680                 auto client = g_app_list.lookUpClient(x.appid);
681                 this->deactivate(client->surfaceID(x.role));
682             }
683         }
684         ret = NO_LAYOUT_CHANGE;
685     }
686     return ret;
687 }
688
689 WMError App::setInvisibleTask(const std::string &role, bool split)
690 {
691     unsigned req_num = g_app_list.currentRequestNumber();
692     HMI_SEQ_DEBUG(req_num, "set current visible app to invisible task");
693     // This task is copied from original actiavete surface
694     const char *drawing_name = role.c_str();
695     auto const &surface_id = this->lookup_id(drawing_name);
696     auto layer_id = this->layers.get_layer_id(*surface_id);
697     auto o_state = *this->layers.get_layout_state(*surface_id);
698     struct LayoutState &state = *o_state;
699     std::string add_name, add_role;
700     std::string add_area = "";
701     int surface;
702     TaskVisible task_visible = TaskVisible::INVISIBLE;
703     bool end_draw_finished = true;
704     bool found = false;
705
706     for (auto const &l : this->layers.mapping)
707     {
708         if (l.second.layer_id <= *layer_id)
709         {
710             continue;
711         }
712         HMI_DEBUG("wm", "debug: main %d , sub : %d", l.second.state.main, l.second.state.sub);
713         if (l.second.state.main != -1)
714         {
715             //this->deactivate(l.second.state.main);
716             surface = l.second.state.main;
717             add_role = *this->id_alloc.lookup(surface);
718             add_name = g_app_list.getAppID(surface, add_role, &found);
719             if(!found){
720                 return WMError::NOT_REGISTERED;
721             }
722             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
723             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
724             g_app_list.setAction(req_num, act);
725             l.second.state.main = -1;
726         }
727
728         if (l.second.state.sub != -1)
729         {
730             //this->deactivate(l.second.state.sub);
731             surface = l.second.state.sub;
732             add_role = *this->id_alloc.lookup(surface);
733             add_name = g_app_list.getAppID(surface, add_role, &found);
734             if (!found)
735             {
736                 return WMError::NOT_REGISTERED;
737             }
738             HMI_SEQ_INFO(req_num, "Invisible %s", add_name.c_str());
739             WMAction act{add_name, add_role, add_area, task_visible, end_draw_finished};
740             g_app_list.setAction(req_num, act);
741             l.second.state.sub = -1;
742         }
743     }
744
745     // change current state here, but this is hack
746     auto layer = this->layers.get_layer(*layer_id);
747
748     if (state.main == -1)
749     {
750         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
751         //state = LayoutState{*surface_id};
752         /* this->try_layout(
753             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
754                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
755                 //this->surface_set_layout(*surface_id);
756                 state = nl;
757
758                 //compositor::rect area_rect = this->area_info[*surface_id];
759             }); */
760     }
761     else
762     {
763         if (0 != strcmp(drawing_name, "HomeScreen"))
764         {
765             if (split)
766             {
767                 std::string main =
768                     std::move(*this->id_alloc.lookup(state.main));
769                 if (state.sub != *surface_id)
770                 {
771                     if (state.sub != -1)
772                     {
773                         //this->deactivate(state.sub);
774                         WMAction deact_sub;
775                         deact_sub.role = main;
776                         deact_sub.area = add_area;
777                         deact_sub.appid = g_app_list.getAppID(state.sub, main, &found);
778                         if (!found)
779                         {
780                             HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
781                             return WMError::NOT_REGISTERED;
782                         }
783                         deact_sub.visible = task_visible;
784                         deact_sub.end_draw_finished = end_draw_finished;
785                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
786                         g_app_list.setAction(req_num, deact_sub);
787                     }
788                 }
789                 //state = LayoutState{state.main, *surface_id};
790             }
791             else
792             {
793                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
794
795                 //this->surface_set_layout(*surface_id);
796                 if (state.main != *surface_id)
797                 {
798                     // this->deactivate(state.main);
799                     WMAction deact_main;
800                     deact_main.role = std::move(*this->id_alloc.lookup(state.main));
801                     ;
802                     deact_main.area = add_area;
803                     deact_main.appid = g_app_list.getAppID(state.main, deact_main.role, &found);
804                     if (!found)
805                     {
806                         HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
807                         return WMError::NOT_REGISTERED;
808                     }
809                     deact_main.visible = task_visible;
810                     deact_main.end_draw_finished = end_draw_finished;
811                     HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
812                     g_app_list.setAction(req_num, deact_main);
813                 }
814                 if (state.sub != -1)
815                 {
816                     if (state.sub != *surface_id)
817                     {
818                         //this->deactivate(state.sub);
819                         WMAction deact_sub;
820                         deact_sub.role = std::move(*this->id_alloc.lookup(state.sub));
821                         ;
822                         deact_sub.area = add_area;
823                         deact_sub.appid = g_app_list.getAppID(state.sub, deact_sub.role, &found);
824                         if (!found)
825                         {
826                             HMI_SEQ_DEBUG(req_num, "sub surface ddoesn't exist");
827                             return WMError::NOT_REGISTERED;
828                         }
829                         deact_sub.visible = task_visible;
830                         deact_sub.end_draw_finished = end_draw_finished;
831                         HMI_SEQ_DEBUG(req_num, "sub surface doesn't exist");
832                         g_app_list.setAction(req_num, deact_sub);
833                     }
834                 }
835                 //state = LayoutState{*surface_id};
836             }
837         }
838     }
839     return WMError::SUCCESS;
840 }
841
842 const char *App::check_surface_exist(const char *drawing_name)
843 {
844     auto const &surface_id = this->lookup_id(drawing_name);
845     if (!surface_id)
846     {
847         //reply("Surface does not exist");
848         return "Surface does not exist";
849     }
850
851     if (!this->controller->surface_exists(*surface_id))
852     {
853         //reply("Surface does not exist in controller!");
854         return "Surface does not exist in controller!";
855     }
856
857     auto layer_id = this->layers.get_layer_id(*surface_id);
858
859     if (!layer_id)
860     {
861         //reply("Surface is not on any layer!");
862         return "Surface is not on any layer!";
863     }
864
865     auto o_state = *this->layers.get_layout_state(*surface_id);
866
867     if (o_state == nullptr)
868     {
869         //reply("Could not find layer for surface");
870         return "Could not find layer for surface";
871     }
872
873     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
874     return nullptr;
875     //reply(nullptr);
876 }
877
878 WMError App::setRequest(const std::string& appid, const std::string &role, const std::string &area,
879                             Task task, unsigned* req_num)
880 {
881     if (!g_app_list.contains(appid))
882     {
883         return WMError::NOT_REGISTERED;
884     }
885
886     auto client = g_app_list.lookUpClient(appid);
887
888     /*
889    * Queueing Phase
890    */
891     unsigned current = g_app_list.currentRequestNumber();
892     unsigned requested_num = g_app_list.getRequestNumber(appid);
893     if (requested_num != 0)
894     {
895         HMI_SEQ_INFO(requested_num,
896             "%s %s %s request is already queued", appid.c_str(), role.c_str(), area.c_str());
897         return REQ_REJECTED;
898     }
899
900     WMRequest req = WMRequest(appid, role, area, task);
901     unsigned new_req = g_app_list.addRequest(req);
902     *req_num = new_req;
903     g_app_list.reqDump();
904
905     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", appid.c_str(), role.c_str(), area.c_str());
906
907     return WMError::SUCCESS;
908 }
909
910 void App::api_activate_surface(char const *appid, char const *drawing_name,
911                                char const *drawing_area, const reply_func &reply)
912 {
913     ST();
914
915     std::string id = appid;
916     std::string role = drawing_name;
917     std::string area = drawing_area;
918     Task task = Task::TASK_ALLOCATE;
919     unsigned req_num = 0;
920     WMError ret = WMError::UNKNOWN;
921
922     ret = this->setRequest(id, role, area, task, &req_num);
923
924     if(ret != WMError::SUCCESS)
925     {
926         HMI_ERROR("wm", errorDescription(ret));
927         reply("Failed to set request");
928         return;
929     }
930
931     reply(nullptr);
932     if (req_num != g_app_list.currentRequestNumber())
933     {
934         // Add request, then invoked after the previous task is finished
935         HMI_SEQ_DEBUG(req_num, "request is accepted");
936         return;
937     }
938
939     /*
940     * Do allocate tasks
941     */
942     ret = this->doTransition(req_num);
943
944     if (ret != WMError::SUCCESS)
945     {
946         //this->emit_error()
947         HMI_SEQ_ERROR(req_num, errorDescription(ret));
948         g_app_list.removeRequest(req_num);
949         this->processNextRequest();
950     }
951 }
952
953 void App::api_deactivate_surface(char const *appid, char const *drawing_name,
954                                  const reply_func &reply)
955 {
956     ST();
957
958     /*
959    * Check Phase
960    */
961     std::string id = appid;
962     std::string role = drawing_name;
963     std::string area = ""; //drawing_area;
964     Task task = Task::TASK_RELEASE;
965     unsigned req_num = 0;
966     WMError ret = WMError::UNKNOWN;
967
968     ret = this->setRequest(id, role, area, task, &req_num);
969
970     if (ret != WMError::SUCCESS)
971     {
972         HMI_ERROR("wm", errorDescription(ret));
973         reply("Failed to set request");
974         return;
975     }
976
977     reply(nullptr);
978     if (req_num != g_app_list.currentRequestNumber())
979     {
980         // Add request, then invoked after the previous task is finished
981         HMI_SEQ_DEBUG(req_num, "request is accepted");
982         return;
983     }
984
985     /*
986     * Do allocate tasks
987     */
988     ret = this->doTransition(req_num);
989
990     if (ret != WMError::SUCCESS)
991     {
992         //this->emit_error()
993         HMI_SEQ_ERROR(req_num, errorDescription(ret));
994         g_app_list.removeRequest(req_num);
995         this->processNextRequest();
996     }
997 }
998
999 void App::enqueue_flushdraw(int surface_id)
1000 {
1001     this->check_flushdraw(surface_id);
1002     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
1003     this->pending_end_draw.push_back(surface_id);
1004 }
1005
1006 void App::check_flushdraw(int surface_id)
1007 {
1008     auto i = std::find(std::begin(this->pending_end_draw),
1009                        std::end(this->pending_end_draw), surface_id);
1010     if (i != std::end(this->pending_end_draw))
1011     {
1012         auto n = this->lookup_name(surface_id);
1013         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
1014                   n ? n->c_str() : "unknown-name", surface_id);
1015         std::swap(this->pending_end_draw[std::distance(
1016                       std::begin(this->pending_end_draw), i)],
1017                   this->pending_end_draw.back());
1018         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
1019     }
1020 }
1021
1022 WMError App::doEndDraw(unsigned req_num)
1023 {
1024     // get actions
1025     bool found;
1026     auto actions = g_app_list.getActions(req_num, &found);
1027     WMError ret = WMError::SUCCESS;
1028     if (!found)
1029     {
1030         ret = WMError::NO_ENTRY;
1031         return ret;
1032     }
1033
1034     HMI_SEQ_INFO(req_num, "do endDraw");
1035
1036     // layout change and make it visible
1037     for (const auto &act : actions)
1038     {
1039         // layout change
1040         if(!g_app_list.contains(act.appid)){
1041             ret = WMError::NOT_REGISTERED;
1042         }
1043         ret = this->layoutChange(act);
1044         if(ret != WMError::SUCCESS)
1045         {
1046             HMI_SEQ_WARNING(req_num,
1047                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1048             return ret;
1049         }
1050         ret = this->visibilityChange(act);
1051         if (ret != WMError::SUCCESS)
1052         {
1053             HMI_SEQ_WARNING(req_num,
1054                 "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
1055             return ret;
1056         }
1057         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1058         //this->lm_enddraw(act.role.c_str());
1059     }
1060
1061     // Change current state
1062     this->changeCurrentState(req_num);
1063
1064     HMI_SEQ_INFO(req_num, "emit flushDraw");
1065
1066     for(const auto &act_flush : actions)
1067     {
1068         if(act_flush.visible != TaskVisible::INVISIBLE)
1069         {
1070             this->emit_flushdraw(act_flush.role.c_str());
1071         }
1072     }
1073
1074     return ret;
1075 }
1076
1077 WMError App::setSurfaceSize(unsigned surface, const std::string &area)
1078 {
1079     this->surface_set_layout(surface, area);
1080
1081     return WMError::SUCCESS;
1082 }
1083
1084 WMError App::layoutChange(const WMAction &action)
1085 {
1086     if (action.visible == TaskVisible::INVISIBLE)
1087     {
1088         // Visibility is not change -> no redraw is required
1089         return WMError::SUCCESS;
1090     }
1091     auto client = g_app_list.lookUpClient(action.appid);
1092     unsigned surface = client->surfaceID(action.role);
1093     if (surface == 0)
1094     {
1095         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1096                       "client doesn't have surface with role(%s)", action.role.c_str());
1097         return WMError::NOT_REGISTERED;
1098     }
1099     // Layout Manager
1100     WMError ret = this->setSurfaceSize(surface, action.area);
1101     return ret;
1102 }
1103
1104 WMError App::visibilityChange(const WMAction &action)
1105 {
1106     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
1107     if(!g_app_list.contains(action.appid)){
1108         return WMError::NOT_REGISTERED;
1109     }
1110     auto client = g_app_list.lookUpClient(action.appid);
1111     unsigned surface = client->surfaceID(action.role);
1112     if(surface == 0)
1113     {
1114         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
1115                       "client doesn't have surface with role(%s)", action.role.c_str());
1116         return WMError::NOT_REGISTERED;
1117     }
1118
1119     if (action.visible != TaskVisible::INVISIBLE)
1120     {
1121         this->activate(surface); // Layout Manager task
1122     }
1123     else
1124     {
1125         this->deactivate(surface); // Layout Manager task
1126     }
1127     return WMError::SUCCESS;
1128 }
1129
1130 WMError App::changeCurrentState(unsigned req_num)
1131 {
1132     HMI_SEQ_DEBUG(req_num, "Change current layout state");
1133     bool trigger_found = false, action_found = false;
1134     auto trigger = g_app_list.getRequest(req_num, &trigger_found);
1135     auto actions = g_app_list.getActions(req_num, &action_found);
1136     if (!trigger_found || !action_found)
1137     {
1138         HMI_SEQ_ERROR(req_num, "Action not found");
1139         return WMError::LAYOUT_CHANGE_FAIL;
1140     }
1141
1142     // Layout state reset
1143     struct LayoutState reset_state{-1, -1};
1144     HMI_SEQ_DEBUG(req_num,"Reset layout state");
1145     for (const auto &action : actions)
1146     {
1147         if(!g_app_list.contains(action.appid)){
1148             return WMError::NOT_REGISTERED;
1149         }
1150         auto client = g_app_list.lookUpClient(action.appid);
1151         auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1152         if(pCurState == nullptr)
1153         {
1154             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1155             continue;
1156         }
1157         pCurState->main = reset_state.main;
1158         pCurState->sub = reset_state.sub;
1159     }
1160
1161     HMI_SEQ_DEBUG(req_num, "Change state");
1162     for (const auto &action : actions)
1163     {
1164         auto client = g_app_list.lookUpClient(action.appid);
1165         auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
1166         if (pLayerCurState == nullptr)
1167         {
1168             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
1169             continue;
1170         }
1171         int surface = -1;
1172
1173         if (action.visible != TaskVisible::INVISIBLE)
1174         {
1175             surface = (int)client->surfaceID(action.role);
1176             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
1177                             action.role.c_str(), surface, action.area.c_str());
1178             // visible == true -> layout changes
1179             if(action.area == "normal.full" || action.area == "split.main")
1180             {
1181                 pLayerCurState->main = surface;
1182             }
1183             else if (action.area == "split.sub")
1184             {
1185                 pLayerCurState->sub = surface;
1186             }
1187             else
1188             {
1189                 // normalfull
1190                 pLayerCurState->main = surface;
1191             }
1192         }
1193     }
1194
1195     return WMError::SUCCESS;
1196 }
1197
1198 void App::api_enddraw(char const *appid, char const *drawing_name)
1199 {
1200     std::string id = appid;
1201     std::string role = drawing_name;
1202     unsigned current_req = g_app_list.currentRequestNumber();
1203     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1204
1205     if (!result)
1206     {
1207         HMI_ERROR("wm", "%s is not in transition state", id.c_str());
1208         return;
1209     }
1210
1211     if (g_app_list.endDrawFullfilled(current_req))
1212     {
1213         // do task for endDraw
1214         this->stopTimer();
1215         WMError ret = this->doEndDraw(current_req);
1216
1217         if(ret != WMError::SUCCESS)
1218         {
1219             //this->emit_error();
1220         }
1221         HMI_SEQ_INFO(current_req, "Finish request status: %s", errorDescription(ret));
1222
1223         g_app_list.removeRequest(current_req);
1224
1225         this->processNextRequest();
1226     }
1227     else
1228     {
1229         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1230         return;
1231     }
1232 }
1233
1234 void App::processNextRequest()
1235 {
1236     g_app_list.next();
1237     g_app_list.reqDump();
1238     unsigned req_num = g_app_list.currentRequestNumber();
1239     if (g_app_list.haveRequest())
1240     {
1241         HMI_SEQ_DEBUG(req_num, "Process next request");
1242         WMError rc = doTransition(req_num);
1243         if (rc != WMError::SUCCESS)
1244         {
1245             HMI_SEQ_ERROR(req_num, errorDescription(rc));
1246         }
1247     }
1248     else
1249     {
1250         HMI_SEQ_DEBUG(req_num, "Nothing Request. Waiting Request");
1251     }
1252 }
1253
1254 void App::api_ping() { this->dispatch_pending_events(); }
1255
1256 void App::send_event(char const *evname, char const *label)
1257 {
1258     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1259
1260     json_object *j = json_object_new_object();
1261     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1262
1263     int ret = afb_event_push(this->map_afb_event[evname], j);
1264     if (ret != 0)
1265     {
1266         HMI_DEBUG("wm", "afb_event_push failed: %m");
1267     }
1268 }
1269
1270 void App::send_event(char const *evname, char const *label, char const *area,
1271                      int x, int y, int w, int h)
1272 {
1273     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1274               __func__, evname, label, area, x, y, w, h);
1275
1276     json_object *j_rect = json_object_new_object();
1277     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1278     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1279     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1280     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1281
1282     json_object *j = json_object_new_object();
1283     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1284     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1285     json_object_object_add(j, kKeyDrawingRect, j_rect);
1286
1287     int ret = afb_event_push(this->map_afb_event[evname], j);
1288     if (ret != 0)
1289     {
1290         HMI_DEBUG("wm", "afb_event_push failed: %m");
1291     }
1292 }
1293
1294 /**
1295  * proxied events
1296  */
1297 void App::surface_created(uint32_t surface_id)
1298 {
1299     auto layer_id = this->layers.get_layer_id(surface_id);
1300     if (!layer_id)
1301     {
1302         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1303                   surface_id);
1304         return;
1305     }
1306
1307     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1308
1309     this->controller->layers[*layer_id]->add_surface(surface_id);
1310     this->layout_commit();
1311     // activate the main_surface right away
1312     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1313       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1314
1315       this->api_activate_surface(
1316          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1317    }*/
1318
1319     // search pid from surfaceID
1320
1321     // pick up appid from pid from application manager
1322
1323     // check appid then add it to the client
1324 }
1325
1326 void App::surface_removed(uint32_t surface_id)
1327 {
1328     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1329
1330     g_app_list.removeSurface(surface_id);
1331 }
1332
1333 void App::emit_activated(char const *label)
1334 {
1335     this->send_event(kListEventName[Event_Active], label);
1336 }
1337
1338 void App::emit_deactivated(char const *label)
1339 {
1340     this->send_event(kListEventName[Event_Inactive], label);
1341 }
1342
1343 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1344 {
1345     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1346 }
1347
1348 void App::emit_syncdraw(const std::string &role, const std::string &area)
1349 {
1350     compositor::rect rect = this->layers.getAreaSize(area);
1351     //this->lm_get_area_info(area, &x, &y, &w, &h);
1352     this->send_event(kListEventName[Event_SyncDraw],
1353         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
1354 }
1355
1356 void App::emit_flushdraw(char const *label)
1357 {
1358     this->send_event(kListEventName[Event_FlushDraw], label);
1359 }
1360
1361 void App::emit_visible(char const *label, bool is_visible)
1362 {
1363     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1364 }
1365
1366 void App::emit_invisible(char const *label)
1367 {
1368     return emit_visible(label, false);
1369 }
1370
1371 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1372
1373 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1374 {
1375     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1376     if (!lid)
1377     {
1378         /**
1379        * register drawing_name as fallback and make it displayed.
1380        */
1381         lid = this->layers.get_layer_id(std::string("Fallback"));
1382         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1383         if (!lid)
1384         {
1385             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1386         }
1387     }
1388
1389     auto rname = this->lookup_id(drawing_name);
1390     if (!rname)
1391     {
1392         // name does not exist yet, allocate surface id...
1393         auto id = int(this->id_alloc.generate_id(drawing_name));
1394         this->layers.add_surface(id, *lid);
1395
1396         // set the main_surface[_name] here and now
1397         if (!this->layers.main_surface_name.empty() &&
1398             this->layers.main_surface_name == drawing_name)
1399         {
1400             this->layers.main_surface = id;
1401             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1402         }
1403
1404         // add client into the db
1405         std::string appid_str(appid);
1406         std::string role(drawing_name);
1407         //g_app_list.addClient(appid_str, role);
1408         g_app_list.addClient(appid_str, *lid, id, role);
1409
1410         return Ok<int>(id);
1411     }
1412
1413     // Check currently registered drawing names if it is already there.
1414     return Err<int>("Surface already present");
1415 }
1416
1417 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1418                                      char const *ivi_id)
1419 {
1420     ST();
1421
1422     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1423     unsigned sid = std::stol(ivi_id);
1424
1425     if (!lid)
1426     {
1427         /**
1428        * register drawing_name as fallback and make it displayed.
1429        */
1430         lid = this->layers.get_layer_id(std::string("Fallback"));
1431         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1432         if (!lid)
1433         {
1434             return "Drawing name does not match any role, Fallback is disabled";
1435         }
1436     }
1437
1438     auto rname = this->lookup_id(drawing_name);
1439
1440     if (rname)
1441     {
1442         return "Surface already present";
1443     }
1444
1445     // register pair drawing_name and ivi_id
1446     this->id_alloc.register_name_id(drawing_name, sid);
1447     this->layers.add_surface(sid, *lid);
1448
1449     // this surface is already created
1450     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1451
1452     this->controller->layers[*lid]->add_surface(sid);
1453     this->layout_commit();
1454
1455     return nullptr;
1456 }
1457
1458 result<json_object *> App::api_get_display_info()
1459 {
1460     // Check controller
1461     if (!this->controller)
1462     {
1463         return Err<json_object *>("ivi_controller global not available");
1464     }
1465
1466     // Set display info
1467     compositor::size o_size = this->controller->output_size;
1468     compositor::size p_size = this->controller->physical_size;
1469
1470     json_object *object = json_object_new_object();
1471     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1472     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1473     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1474     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1475
1476     return Ok<json_object *>(object);
1477 }
1478
1479 result<json_object *> App::api_get_area_info(char const *drawing_name)
1480 {
1481     HMI_DEBUG("wm", "called");
1482
1483     // Check drawing name, surface/layer id
1484     auto const &surface_id = this->lookup_id(drawing_name);
1485     if (!surface_id)
1486     {
1487         return Err<json_object *>("Surface does not exist");
1488     }
1489
1490     if (!this->controller->surface_exists(*surface_id))
1491     {
1492         return Err<json_object *>("Surface does not exist in controller!");
1493     }
1494
1495     auto layer_id = this->layers.get_layer_id(*surface_id);
1496     if (!layer_id)
1497     {
1498         return Err<json_object *>("Surface is not on any layer!");
1499     }
1500
1501     auto o_state = *this->layers.get_layout_state(*surface_id);
1502     if (o_state == nullptr)
1503     {
1504         return Err<json_object *>("Could not find layer for surface");
1505     }
1506
1507     struct LayoutState &state = *o_state;
1508     if ((state.main != *surface_id) && (state.sub != *surface_id))
1509     {
1510         return Err<json_object *>("Surface is inactive");
1511     }
1512
1513     // Set area rectangle
1514     compositor::rect area_info = this->area_info[*surface_id];
1515     json_object *object = json_object_new_object();
1516     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1517     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1518     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1519     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1520
1521     return Ok<json_object *>(object);
1522 }
1523
1524 void App::activate(int id)
1525 {
1526     auto ip = this->controller->sprops.find(id);
1527     if (ip != this->controller->sprops.end())
1528     {
1529         this->controller->surfaces[id]->set_visibility(1);
1530         char const *label =
1531             this->lookup_name(id).value_or("unknown-name").c_str();
1532
1533          // FOR CES DEMO >>>
1534         if ((0 == strcmp(label, "Radio"))       ||
1535             (0 == strcmp(label, "MediaPlayer")) ||
1536             (0 == strcmp(label, "Music"))       ||
1537             (0 == strcmp(label, "Navigation")))
1538         {
1539             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1540             {
1541                 if (id == *i)
1542                 {
1543                     // Remove id
1544                     this->surface_bg.erase(i);
1545
1546                     // Remove from BG layer (999)
1547                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1548                     this->controller->layers[999]->remove_surface(id);
1549
1550                     // Add to FG layer (1001)
1551                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1552                     this->controller->layers[1001]->add_surface(id);
1553
1554                     for (int j : this->surface_bg)
1555                     {
1556                         HMI_DEBUG("wm", "Stored id:%d", j);
1557                     }
1558                     break;
1559                 }
1560             }
1561         }
1562         // <<< FOR CES DEMO
1563         this->layout_commit();
1564
1565         this->emit_visible(label);
1566         this->emit_activated(label);
1567     }
1568 }
1569
1570 void App::deactivate(int id)
1571 {
1572     auto ip = this->controller->sprops.find(id);
1573     if (ip != this->controller->sprops.end())
1574     {
1575         char const *label =
1576             this->lookup_name(id).value_or("unknown-name").c_str();
1577
1578         // FOR CES DEMO >>>
1579         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1580         {
1581
1582             // Store id
1583             this->surface_bg.push_back(id);
1584
1585             // Remove from FG layer (1001)
1586             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1587             this->controller->layers[1001]->remove_surface(id);
1588
1589             // Add to BG layer (999)
1590             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1591             this->controller->layers[999]->add_surface(id);
1592
1593             for (int j : surface_bg)
1594             {
1595                 HMI_DEBUG("wm", "Stored id:%d", j);
1596             }
1597         }
1598         else
1599         {
1600             this->controller->surfaces[id]->set_visibility(0);
1601         }
1602         // <<< FOR CES DEMO
1603
1604         this->emit_deactivated(label);
1605         this->emit_invisible(label);
1606     }
1607 }
1608
1609 bool App::can_split(struct LayoutState const &state, int new_id)
1610 {
1611     if (state.main != -1 && state.main != new_id)
1612     {
1613         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1614         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1615
1616         // surfaces are on separate layers, don't bother.
1617         if (new_id_layer != current_id_layer)
1618         {
1619             return false;
1620         }
1621
1622         std::string const &new_id_str = this->lookup_name(new_id).value();
1623         std::string const &cur_id_str = this->lookup_name(state.main).value();
1624
1625         auto const &layer = this->layers.get_layer(new_id_layer);
1626
1627         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1628
1629         if (layer->layouts.empty())
1630         {
1631             return false;
1632         }
1633
1634         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1635         {
1636             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1637             auto rem = std::regex(i->main_match);
1638             if (std::regex_match(cur_id_str, rem))
1639             {
1640                 // build the second one only if the first already matched
1641                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1642                 auto res = std::regex(i->sub_match);
1643                 if (std::regex_match(new_id_str, res))
1644                 {
1645                     HMI_DEBUG("wm", "layout matched!");
1646                     return true;
1647                 }
1648             }
1649         }
1650     }
1651
1652     return false;
1653 }
1654
1655 void App::try_layout(struct LayoutState & /*state*/,
1656                      struct LayoutState const &new_layout,
1657                      std::function<void(LayoutState const &nl)> apply)
1658 {
1659     if (this->policy.layout_is_valid(new_layout))
1660     {
1661         apply(new_layout);
1662     }
1663 }
1664
1665 /**
1666  * controller_hooks
1667  */
1668 void controller_hooks::surface_created(uint32_t surface_id)
1669 {
1670     this->app->surface_created(surface_id);
1671 }
1672
1673 void controller_hooks::surface_removed(uint32_t surface_id)
1674 {
1675     this->app->surface_removed(surface_id);
1676 }
1677
1678 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1679                                           uint32_t /*v*/) {}
1680
1681 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1682                                                      uint32_t /*x*/,
1683                                                      uint32_t /*y*/,
1684                                                      uint32_t /*w*/,
1685                                                      uint32_t /*h*/) {}
1686
1687 } // namespace wm