db00dea94ebdc07465186929319099a2c72d0688
[apps/agl-service-windowmanager.git] / src / app.cpp
1 /*
2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 #include "app.hpp"
18 #include "json_helper.hpp"
19 #include "layers.hpp"
20 #include "layout.hpp"
21 #include "util.hpp"
22 #include "wayland_ivi_wm.hpp"
23
24 #include <cstdio>
25 #include <memory>
26
27 #include <cassert>
28
29 #include <json-c/json.h>
30
31 #include <algorithm>
32 #include <csignal>
33 #include <fstream>
34 #include <json.hpp>
35 #include <regex>
36 #include <thread>
37
38 #include "wm_client.hpp"
39 #include "applist.hpp"
40
41 extern "C"
42 {
43 #include <systemd/sd-event.h>
44 }
45
46 namespace wm
47 {
48
49 const unsigned kTimeOut = 10000000UL; /* 10s */
50
51 /* DrawingArea name used by "{layout}.{area}" */
52 const char kNameLayoutNormal[] = "normal";
53 const char kNameLayoutSplit[] = "split";
54 const char kNameAreaFull[] = "full";
55 const char kNameAreaMain[] = "main";
56 const char kNameAreaSub[] = "sub";
57
58 /* Key for json obejct */
59 const char kKeyDrawingName[] = "drawing_name";
60 const char kKeyDrawingArea[] = "drawing_area";
61 const char kKeyDrawingRect[] = "drawing_rect";
62 const char kKeyX[] = "x";
63 const char kKeyY[] = "y";
64 const char kKeyWidth[] = "width";
65 const char kKeyHeight[] = "height";
66 const char kKeyWidthPixel[] = "width_pixel";
67 const char kKeyHeightPixel[] = "height_pixel";
68 const char kKeyWidthMm[] = "width_mm";
69 const char kKeyHeightMm[] = "height_mm";
70
71 static sd_event_source *g_timer_ev_src = nullptr;
72
73 static AppList g_app_list;
74
75 namespace
76 {
77
78 using nlohmann::json;
79
80 result<json> file_to_json(char const *filename)
81 {
82     json j;
83     std::ifstream i(filename);
84     if (i.fail())
85     {
86         HMI_DEBUG("wm", "Could not open config file, so use default layer information");
87         j = default_layers_json;
88     }
89     else
90     {
91         i >> j;
92     }
93
94     return Ok(j);
95 }
96
97 struct result<layer_map> load_layer_map(char const *filename)
98 {
99     HMI_DEBUG("wm", "loading IDs from %s", filename);
100
101     auto j = file_to_json(filename);
102     if (j.is_err())
103     {
104         return Err<layer_map>(j.unwrap_err());
105     }
106     json jids = j.unwrap();
107
108     return to_layer_map(jids);
109 }
110
111 static int
112 processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
113 {
114     HMI_NOTICE("wm", "Time out occurs because the client replys endDraw slow, so revert the request");
115     reinterpret_cast<wm::App *>(userdata)->timerHandler();
116     return 0;
117 }
118
119 } // namespace
120
121 void App::timerHandler()
122 {
123     unsigned req_num = g_app_list.currentRequestNumber();
124     HMI_SEQ_DEBUG(req_num, "Timer expired remove Request");
125     g_app_list.reqDump();
126     g_app_list.removeRequest(req_num);
127     g_app_list.next();
128     g_app_list.reqDump();
129     if (g_app_list.haveRequest())
130     {
131         this->process_request();
132     }
133 }
134
135 void App::removeClient(const std::string &appid)
136 {
137     HMI_DEBUG("wm", "Remove clinet %s from list", appid.c_str());
138     g_app_list.removeClient(appid);
139 }
140
141 bool App::subscribeEventForApp(const std::string &appid, afb_req req, const std::string &evname)
142 {
143     if(!g_app_list.contains(appid)){
144         HMI_DEBUG("wm", "Client %s is not registered", appid.c_str());
145         return false;
146     }
147     auto client = g_app_list.lookUpClient(appid);
148     return client->subscribe(req, evname);
149 }
150
151 /**
152  * App Impl
153  */
154 App::App(wl::display *d)
155     : chooks{this},
156       display{d},
157       controller{},
158       outputs(),
159       config(),
160       layers(),
161       id_alloc{},
162       pending_events(false),
163       policy{}
164 {
165     try
166     {
167         {
168             auto l = load_layer_map(
169                 this->config.get_string("layers.json").value().c_str());
170             if (l.is_ok())
171             {
172                 this->layers = l.unwrap();
173             }
174             else
175             {
176                 HMI_ERROR("wm", "%s", l.err().value());
177             }
178         }
179     }
180     catch (std::exception &e)
181     {
182         HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
183     }
184 }
185
186 int App::init()
187 {
188     if (!this->display->ok())
189     {
190         return -1;
191     }
192
193     if (this->layers.mapping.empty())
194     {
195         HMI_ERROR("wm", "No surface -> layer mapping loaded");
196         return -1;
197     }
198
199     // Make afb event
200     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
201     {
202         map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
203     }
204
205     this->display->add_global_handler(
206         "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
207             this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
208         });
209
210     this->display->add_global_handler(
211         "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
212             this->controller =
213                 std::make_unique<struct compositor::controller>(r, name, v);
214
215             // Init controller hooks
216             this->controller->chooks = &this->chooks;
217
218             // This protocol needs the output, so lets just add our mapping here...
219             this->controller->add_proxy_to_id_mapping(
220                 this->outputs.back()->proxy.get(),
221                 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
222                     this->outputs.back()->proxy.get())));
223
224             // Create screen
225             this->controller->create_screen(this->outputs.back()->proxy.get());
226
227             // Set display to controller
228             this->controller->display = this->display;
229         });
230
231     // First level objects
232     this->display->roundtrip();
233     // Second level objects
234     this->display->roundtrip();
235     // Third level objects
236     this->display->roundtrip();
237
238     return init_layers();
239 }
240
241 int App::dispatch_pending_events()
242 {
243     if (this->pop_pending_events())
244     {
245         this->display->dispatch_pending();
246         return 0;
247     }
248     return -1;
249 }
250
251 bool App::pop_pending_events()
252 {
253     bool x{true};
254     return this->pending_events.compare_exchange_strong(
255         x, false, std::memory_order_consume);
256 }
257
258 void App::set_pending_events()
259 {
260     this->pending_events.store(true, std::memory_order_release);
261 }
262
263 optional<int> App::lookup_id(char const *name)
264 {
265     return this->id_alloc.lookup(std::string(name));
266 }
267 optional<std::string> App::lookup_name(int id)
268 {
269     return this->id_alloc.lookup(id);
270 }
271
272 /**
273  * init_layers()
274  */
275 int App::init_layers()
276 {
277     if (!this->controller)
278     {
279         HMI_ERROR("wm", "ivi_controller global not available");
280         return -1;
281     }
282
283     if (this->outputs.empty())
284     {
285         HMI_ERROR("wm", "no output was set up!");
286         return -1;
287     }
288
289     auto &c = this->controller;
290
291     auto &o = this->outputs.front();
292     auto &s = c->screens.begin()->second;
293     auto &layers = c->layers;
294
295     // Write output dimensions to ivi controller...
296     c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
297     c->physical_size = compositor::size{uint32_t(o->physical_width),
298                                         uint32_t(o->physical_height)};
299
300     // Clear scene
301     layers.clear();
302
303     // Clear screen
304     s->clear();
305
306     // Quick and dirty setup of layers
307     for (auto const &i : this->layers.mapping)
308     {
309         c->layer_create(i.second.layer_id, o->width, o->height);
310         auto &l = layers[i.second.layer_id];
311         l->set_destination_rectangle(0, 0, o->width, o->height);
312         l->set_visibility(1);
313         HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
314                   i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
315     }
316
317     // Add layers to screen
318     s->set_render_order(this->layers.layers);
319
320     this->layout_commit();
321
322     return 0;
323 }
324
325 void App::surface_set_layout(int surface_id, optional<int> sub_surface_id)
326 {
327     if (!this->controller->surface_exists(surface_id))
328     {
329         HMI_ERROR("wm", "Surface %d does not exist", surface_id);
330         return;
331     }
332
333     auto o_layer_id = this->layers.get_layer_id(surface_id);
334
335     if (!o_layer_id)
336     {
337         HMI_ERROR("wm", "Surface %d is not associated with any layer!", surface_id);
338         return;
339     }
340
341     uint32_t layer_id = *o_layer_id;
342
343     auto const &layer = this->layers.get_layer(layer_id);
344     auto rect = layer.value().rect;
345     auto &s = this->controller->surfaces[surface_id];
346
347     int x = rect.x;
348     int y = rect.y;
349     int w = rect.w;
350     int h = rect.h;
351
352     // less-than-0 values refer to MAX + 1 - $VALUE
353     // e.g. MAX is either screen width or height
354     if (w < 0)
355     {
356         w = this->controller->output_size.w + 1 + w;
357     }
358     if (h < 0)
359     {
360         h = this->controller->output_size.h + 1 + h;
361     }
362
363     if (sub_surface_id)
364     {
365         if (o_layer_id != this->layers.get_layer_id(*sub_surface_id))
366         {
367             HMI_ERROR("wm",
368                       "surface_set_layout: layers of surfaces (%d and %d) don't match!",
369                       surface_id, *sub_surface_id);
370             return;
371         }
372
373         int x_off = 0;
374         int y_off = 0;
375
376         // split along major axis
377         if (w > h)
378         {
379             w /= 2;
380             x_off = w;
381         }
382         else
383         {
384             h /= 2;
385             y_off = h;
386         }
387
388         auto &ss = this->controller->surfaces[*sub_surface_id];
389
390         HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
391                   *sub_surface_id, layer_id);
392
393         // set destination to the display rectangle
394         ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
395
396         this->area_info[*sub_surface_id].x = x;
397         this->area_info[*sub_surface_id].y = y;
398         this->area_info[*sub_surface_id].w = w;
399         this->area_info[*sub_surface_id].h = h;
400     }
401
402     HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
403               layer_id);
404
405     // set destination to the display rectangle
406     s->set_destination_rectangle(x, y, w, h);
407
408     // update area information
409     this->area_info[surface_id].x = x;
410     this->area_info[surface_id].y = y;
411     this->area_info[surface_id].w = w;
412     this->area_info[surface_id].h = h;
413
414     HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
415               surface_id, layer_id, x, y, w, h);
416 }
417
418 void App::layout_commit()
419 {
420     this->controller->commit_changes();
421     this->display->flush();
422 }
423
424 void App::set_timer()
425 {
426     HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Timer set activate");
427     if (g_timer_ev_src == nullptr)
428     {
429         // firsttime set into sd_event
430         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &g_timer_ev_src,
431                                     CLOCK_REALTIME, time(NULL) * (1000000UL) + kTimeOut, 1, processTimerHandler, this);
432         if (ret < 0)
433         {
434             HMI_ERROR("wm", "Could't set timer");
435         }
436     }
437     else
438     {
439         // update timer limitation after second time
440         sd_event_source_set_time(g_timer_ev_src, time(NULL) * (1000000UL) + kTimeOut);
441         sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_ONESHOT);
442     }
443 }
444
445 void App::stop_timer()
446 {
447     unsigned req_num = g_app_list.currentRequestNumber();
448     HMI_SEQ_DEBUG(req_num, "Timer stop");
449     int rc = sd_event_source_set_enabled(g_timer_ev_src, SD_EVENT_OFF);
450     if (rc < 0)
451     {
452         HMI_SEQ_ERROR(req_num, "Timer stop failed");
453     }
454 }
455
456 WMError App::lm_release(const struct WMAction &action)
457 {
458     //auto const &surface_id = this->lookup_id(drawing_name);
459     WMError ret = WMError::LAYOUT_CHANGE_FAIL;
460     unsigned req_num = g_app_list.currentRequestNumber();
461     auto const &surface_id = this->lookup_id(action.role.c_str());
462     if (!surface_id)
463     {
464         HMI_SEQ_ERROR(req_num, "Surface does not exist");
465         return ret;
466     }
467
468     if (*surface_id == this->layers.main_surface)
469     {
470         HMI_SEQ_ERROR(req_num, "Cannot deactivate main_surface");
471         return ret;
472     }
473
474     auto o_state = *this->layers.get_layout_state(*surface_id);
475
476     if (o_state == nullptr)
477     {
478         HMI_SEQ_ERROR(req_num, "Could not find layer for surface");
479         return ret;
480     }
481
482     struct LayoutState &state = *o_state;
483
484     if (state.main == -1)
485     {
486         HMI_SEQ_ERROR(req_num, "No surface active");
487         return ret;
488     }
489
490     // Check against main_surface, main_surface_name is the configuration item.
491     if (*surface_id == this->layers.main_surface)
492     {
493         HMI_SEQ_DEBUG(req_num, "Refusing to deactivate main_surface %d", *surface_id);
494         //reply(nullptr);
495         return WMError::SUCCESS;
496     }
497     if ((state.main == *surface_id) && (state.sub == *surface_id))
498     {
499         HMI_SEQ_ERROR(req_num, "Surface is not active");
500         return ret;
501     }
502
503     if (state.main == *surface_id)
504     {
505         if (state.sub != -1)
506         {
507             this->try_layout(
508                 state, LayoutState{state.sub, -1}, [&](LayoutState const &nl) {
509                     std::string sub = std::move(*this->lookup_name(state.sub));
510
511                     this->deactivate(*surface_id);
512                     this->surface_set_layout(state.sub);
513                     state = nl;
514
515                     this->layout_commit();
516                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
517                     compositor::rect area_rect = this->area_info[state.sub];
518                     this->emit_syncdraw(sub.c_str(), str_area.c_str(),
519                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
520                     this->enqueue_flushdraw(state.sub);
521                 });
522         }
523         else
524         {
525             this->try_layout(state, LayoutState{-1, -1}, [&](LayoutState const &nl) {
526                 this->deactivate(*surface_id);
527                 state = nl;
528                 this->layout_commit();
529             });
530         }
531     }
532     else if (state.sub == *surface_id)
533     {
534         this->try_layout(
535             state, LayoutState{state.main, -1}, [&](LayoutState const &nl) {
536                 std::string main = std::move(*this->lookup_name(state.main));
537
538                 this->deactivate(*surface_id);
539                 this->surface_set_layout(state.main);
540                 state = nl;
541
542                 this->layout_commit();
543                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
544                 compositor::rect area_rect = this->area_info[state.main];
545                 this->emit_syncdraw(main.c_str(), str_area.c_str(),
546                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
547                 this->enqueue_flushdraw(state.main);
548             });
549     }
550     return WMError::SUCCESS;
551 }
552
553 WMError App::lm_layout_change(const struct WMAction &action)
554 {
555     const char *msg = this->check_surface_exist(action.role.c_str());
556
557     /*
558     lm_.updateLayout(action);
559     TODO: emit syncDraw with application*/
560     if (msg)
561     {
562         HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), msg);
563         return WMError::LAYOUT_CHANGE_FAIL;
564     }
565     this->lm_layout_change(action.role.c_str());
566     return WMError::SUCCESS;
567 }
568
569 WMError App::do_transition(unsigned req_num)
570 {
571     /*
572     * Check Policy
573     */
574     // get current trigger
575     auto trigger = g_app_list.getRequest(req_num);
576     bool is_activate = true;
577
578     /*  get new status from Policy Manager
579
580     (json_object*?) newLayout = checkPolicy(trigger);
581     (vector<struct WMAction>&) auto actions = translator.inputActionFromLayout(newLayout, currentLayout)
582     for(const auto& x : actions){
583         g_app_list.setAciton(req_num, x)
584     }
585
586     or
587
588     translator.inputActionFromLayout(newLayout, currentLayout, &g_app_list, req_num);
589
590     /* The following error check is not necessary because main.cpp will reject the message form not registered object
591    } */
592     HMI_SEQ_NOTICE(req_num, "ATM, Policy manager does't exist, then set WMAction as is");
593
594     if (trigger.task == Task::TASK_RELEASE)
595     {
596         is_activate = false;
597     }
598     WMError ret = g_app_list.setAction(req_num, trigger.appid, trigger.role, trigger.area, is_activate);
599     g_app_list.reqDump();
600
601     if (ret != WMError::SUCCESS)
602     {
603         HMI_SEQ_ERROR(req_num, "Failed to set action");
604         return ret;
605     }
606
607     // layer manager task
608     bool sync_draw_happen = false;
609     for (const auto &y : g_app_list.getActions(req_num))
610     {
611         /*
612         do_task(y);
613         */
614         /*  TODO
615            but current we can't do do_task,
616            so divide the processing into lm_layout_change and lm_release
617         */
618         if (y.visible)
619         {
620             sync_draw_happen = true;
621             ret = lm_layout_change(y);
622             if (ret != WMError::SUCCESS)
623             {
624                 HMI_SEQ_ERROR(req_num, "%s: appid: %s, role: %s, area: %s",
625                     errorDescription(ret), y.appid.c_str(), y.role.c_str(), y.area.c_str());
626                 g_app_list.removeRequest(req_num);
627                 break;
628                 // TODO: if transition fails, what should we do?
629             }
630             /* g_app_list.lookUpClient(y.appid)->emit_syncdraw(y.role, y.area); */
631         }
632         else
633         {
634             ret = lm_release(y);
635             if (!ret)
636             {
637                 HMI_SEQ_ERROR(req_num, "Failed release resource: %s", y.appid.c_str());
638                 g_app_list.removeRequest(req_num);
639                 break;
640                 // TODO: if transition fails, what should we do?
641             }
642             /* g_app_list.lookUpClient(y.appid)->emit_invisible(y.role, y.area); */
643         }
644     }
645
646     if (ret != WMError::SUCCESS)
647     {
648         //this->emit_error(req_num, 0 /*error_num*/, "error happens"); // test
649     }
650     else if (sync_draw_happen)
651     {
652         this->set_timer();
653     }
654     else
655     {
656         g_app_list.removeRequest(req_num); // HACK!!!
657     }
658     return ret;
659 }
660
661 void App::lm_layout_change(const char *drawing_name)
662 {
663     auto const &surface_id = this->lookup_id(drawing_name);
664     auto layer_id = this->layers.get_layer_id(*surface_id);
665     auto o_state = *this->layers.get_layout_state(*surface_id);
666     struct LayoutState &state = *o_state;
667
668     // disable layers that are above our current layer
669     for (auto const &l : this->layers.mapping)
670     {
671         if (l.second.layer_id <= *layer_id)
672         {
673             continue;
674         }
675
676         bool flush = false;
677         if (l.second.state.main != -1)
678         {
679             this->deactivate(l.second.state.main);
680             l.second.state.main = -1;
681             flush = true;
682         }
683
684         if (l.second.state.sub != -1)
685         {
686             this->deactivate(l.second.state.sub);
687             l.second.state.sub = -1;
688             flush = true;
689         }
690
691         if (flush)
692         {
693             this->layout_commit();
694         }
695     }
696
697     auto layer = this->layers.get_layer(*layer_id);
698
699     if (state.main == -1)
700     {
701         this->try_layout(
702             state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
703                 HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
704                 this->surface_set_layout(*surface_id);
705                 state = nl;
706
707                 // Commit for configuraton
708                 this->layout_commit();
709
710                 std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
711                 compositor::rect area_rect = this->area_info[*surface_id];
712                 this->emit_syncdraw(drawing_name, str_area.c_str(),
713                                     area_rect.x, area_rect.y, area_rect.w, area_rect.h);
714                 this->enqueue_flushdraw(state.main);
715             });
716     }
717     else
718     {
719         if (0 == strcmp(drawing_name, "HomeScreen"))
720         {
721             this->try_layout(
722                 state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
723                     HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
724                     std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
725                     compositor::rect area_rect = this->area_info[*surface_id];
726                     this->emit_syncdraw(drawing_name, str_area.c_str(),
727                                         area_rect.x, area_rect.y, area_rect.w, area_rect.h);
728                     this->enqueue_flushdraw(state.main);
729                 });
730         }
731         else
732         {
733             bool can_split = this->can_split(state, *surface_id);
734
735             if (can_split)
736             {
737                 this->try_layout(
738                     state,
739                     LayoutState{state.main, *surface_id},
740                     [&](LayoutState const &nl) {
741                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutSplit);
742                         std::string main =
743                             std::move(*this->lookup_name(state.main));
744
745                         this->surface_set_layout(state.main, surface_id);
746                         if (state.sub != *surface_id)
747                         {
748                             if (state.sub != -1)
749                             {
750                                 this->deactivate(state.sub);
751                             }
752                         }
753                         state = nl;
754
755                         // Commit for configuration and visibility(0)
756                         this->layout_commit();
757
758                         std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
759                         std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
760                         compositor::rect area_rect_main = this->area_info[state.main];
761                         compositor::rect area_rect_sub = this->area_info[*surface_id];
762                         // >>> HACK
763                         HMI_WARNING("wm", "HACK!!! mediaplayer and hvac is only supported for split");
764                         std::string request_role = drawing_name;
765                         //std::string request_app = transform(request_role.begin(), request_role.end(), request_role.begin(), tolower); //hvac or mediaplayer
766                         std::string hack_appid = "navigation";
767                         std::string hack_role = main;
768                         std::string hack_area = str_area_main;
769                         g_app_list.setAction(g_app_list.currentRequestNumber(), hack_appid, hack_role, hack_area, true);
770                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), request_role, request_role);
771                         //g_app_list.setEndDrawFinished(g_app_list.currentRequestNumber(), hack_appid, hack_role); // This process is illegal
772                         // >>> HACK
773                         this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
774                                             area_rect_main.x, area_rect_main.y,
775                                             area_rect_main.w, area_rect_main.h);
776                         this->emit_syncdraw(request_role.c_str(), str_area_sub.c_str(),
777                                             area_rect_sub.x, area_rect_sub.y,
778                                             area_rect_sub.w, area_rect_sub.h);
779                         this->enqueue_flushdraw(state.main);
780                         this->enqueue_flushdraw(state.sub);
781                     });
782             }
783             else
784             {
785                 this->try_layout(
786                     state, LayoutState{*surface_id}, [&](LayoutState const &nl) {
787                         HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
788
789                         this->surface_set_layout(*surface_id);
790                         if (state.main != *surface_id)
791                         {
792                             this->deactivate(state.main);
793                         }
794                         if (state.sub != -1)
795                         {
796                             if (state.sub != *surface_id)
797                             {
798                                 this->deactivate(state.sub);
799                             }
800                         }
801                         state = nl;
802
803                         // Commit for configuraton and visibility(0)
804                         this->layout_commit();
805
806                         std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
807                         compositor::rect area_rect = this->area_info[*surface_id];
808                         this->emit_syncdraw(drawing_name, str_area.c_str(),
809                                             area_rect.x, area_rect.y, area_rect.w, area_rect.h);
810                         this->enqueue_flushdraw(state.main);
811                     });
812             }
813         }
814     }
815 }
816
817 const char *App::check_surface_exist(const char *drawing_name)
818 {
819     auto const &surface_id = this->lookup_id(drawing_name);
820     if (!surface_id)
821     {
822         //reply("Surface does not exist");
823         return "Surface does not exist";
824     }
825
826     if (!this->controller->surface_exists(*surface_id))
827     {
828         //reply("Surface does not exist in controller!");
829         return "Surface does not exist in controller!";
830     }
831
832     auto layer_id = this->layers.get_layer_id(*surface_id);
833
834     if (!layer_id)
835     {
836         //reply("Surface is not on any layer!");
837         return "Surface is not on any layer!";
838     }
839
840     auto o_state = *this->layers.get_layout_state(*surface_id);
841
842     if (o_state == nullptr)
843     {
844         //reply("Could not find layer for surface");
845         return "Could not find layer for surface";
846     }
847
848     HMI_DEBUG("wm", "surface %d is detected", *surface_id);
849     return nullptr;
850     //reply(nullptr);
851 }
852
853 void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
854 {
855     ST();
856
857     /*
858    * Check Phase
859    */
860
861     std::string id = appid;
862     std::string role = drawing_name;
863     std::string area = drawing_area;
864
865     if (!g_app_list.contains(id))
866     {
867         reply("app doesn't request 'requestSurface' yet");
868         return;
869     }
870
871     auto client = g_app_list.lookUpClient(id);
872
873     /*
874    * Queueing Phase
875    */
876     unsigned current = g_app_list.currentRequestNumber();
877     unsigned requested_num = g_app_list.getRequestNumber(id);
878     if (requested_num != 0)
879     {
880         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
881         reply("already requested");
882         return;
883     }
884
885     WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
886     unsigned new_req = g_app_list.addAllocateRequest(req);
887     g_app_list.reqDump();
888
889     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
890
891     reply(nullptr);
892     if (new_req != current)
893     {
894         // Add request, then invoked after the previous task is finished
895         HMI_SEQ_DEBUG(new_req, "request is accepted");
896         return;
897     }
898
899     /*
900     * Do allocate tasks
901     */
902     WMError ret = this->do_transition(new_req);
903
904     if (ret != WMError::SUCCESS)
905     {
906         HMI_SEQ_ERROR(new_req, errorDescription(ret));
907         //this->emit_error()
908     }
909 }
910
911 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
912 {
913     ST();
914
915     /*
916    * Check Phase
917    */
918     std::string id = appid;
919     std::string role = drawing_name;
920     std::string area = ""; //drawing_area;
921
922     if (!g_app_list.contains(id))
923     {
924         reply("app doesn't request 'requestSurface' yet");
925         return;
926     }
927     auto client = g_app_list.lookUpClient(id);
928
929     /*
930    * Queueing Phase
931    */
932     unsigned current = g_app_list.currentRequestNumber();
933     unsigned requested_num = g_app_list.getRequestNumber(id);
934     if (requested_num != 0)
935     {
936         HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
937         reply("already requested");
938         return;
939     }
940
941     WMRequest req = WMRequest(id, role, area, Task::TASK_RELEASE);
942     unsigned new_req = g_app_list.addAllocateRequest(req);
943     g_app_list.reqDump();
944
945     HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
946
947     reply(nullptr);
948     if (new_req != current)
949     {
950         // Add request, then invoked after the previous task is finished
951         HMI_SEQ_DEBUG(new_req, "request is accepted");
952         return;
953     }
954
955     /*
956     * Do allocate tasks
957     */
958     WMError ret = this->do_transition(new_req);
959
960     if (ret != WMError::SUCCESS)
961     {
962         HMI_SEQ_ERROR(new_req, errorDescription(ret));
963         //this->emit_error()
964     }
965 }
966
967 void App::enqueue_flushdraw(int surface_id)
968 {
969     this->check_flushdraw(surface_id);
970     HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
971     this->pending_end_draw.push_back(surface_id);
972 }
973
974 void App::check_flushdraw(int surface_id)
975 {
976     auto i = std::find(std::begin(this->pending_end_draw),
977                        std::end(this->pending_end_draw), surface_id);
978     if (i != std::end(this->pending_end_draw))
979     {
980         auto n = this->lookup_name(surface_id);
981         HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
982                   n ? n->c_str() : "unknown-name", surface_id);
983         std::swap(this->pending_end_draw[std::distance(
984                       std::begin(this->pending_end_draw), i)],
985                   this->pending_end_draw.back());
986         this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
987     }
988 }
989
990 void App::lm_enddraw(const char *drawing_name)
991 {
992     HMI_DEBUG("wm", "end draw %s", drawing_name);
993     for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
994     {
995         auto n = this->lookup_name(this->pending_end_draw[i]);
996         if (n && *n == drawing_name)
997         {
998             std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
999             this->pending_end_draw.resize(iend - 1);
1000             this->activate(this->pending_end_draw[i]);
1001             this->emit_flushdraw(drawing_name);
1002         }
1003     }
1004 }
1005
1006 void App::do_enddraw(unsigned req_num)
1007 {
1008     // get actions
1009     auto actions = g_app_list.getActions(req_num);
1010     HMI_SEQ_INFO(req_num, "do endDraw");
1011
1012     for (const auto &act : actions)
1013     {
1014         HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
1015         this->lm_enddraw(act.role.c_str());
1016     }
1017
1018     HMI_SEQ_INFO(req_num, "emit flushDraw");
1019     /*     do
1020     {
1021         // emit flush Draw
1022         //emitFlushDrawToAll(&g_app_list, req_num);
1023         // emit status change event
1024     } while (!g_app_list.requestFinished());*/
1025 }
1026
1027 void App::process_request()
1028 {
1029     unsigned req = g_app_list.currentRequestNumber();
1030     HMI_SEQ_DEBUG(req, "Do next request");
1031     WMError rc = do_transition(req);
1032     if(rc != WMError::SUCCESS){
1033         HMI_SEQ_ERROR(req, errorDescription(rc));
1034     }
1035 }
1036
1037 void App::api_enddraw(char const *appid, char const *drawing_name)
1038 {
1039     std::string id(appid);
1040     std::string role(drawing_name);
1041     unsigned current_req = g_app_list.currentRequestNumber();
1042     bool result = g_app_list.setEndDrawFinished(current_req, id, role);
1043
1044     if (!result)
1045     {
1046         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
1047         return;
1048     }
1049
1050     if (g_app_list.endDrawFullfilled(current_req))
1051     {
1052         // do task for endDraw
1053         //this->stop_timer();
1054         this->do_enddraw(current_req);
1055
1056         this->stop_timer();
1057
1058         g_app_list.removeRequest(current_req);
1059         HMI_SEQ_INFO(current_req, "Finish request");
1060         g_app_list.next();
1061         if (g_app_list.haveRequest())
1062         {
1063             this->process_request();
1064         }
1065     }
1066     else
1067     {
1068         HMI_SEQ_INFO(current_req, "Wait other App call endDraw");
1069         return;
1070     }
1071 }
1072
1073 void App::api_ping() { this->dispatch_pending_events(); }
1074
1075 void App::send_event(char const *evname, char const *label)
1076 {
1077     HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
1078
1079     json_object *j = json_object_new_object();
1080     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1081
1082     int ret = afb_event_push(this->map_afb_event[evname], j);
1083     if (ret != 0)
1084     {
1085         HMI_DEBUG("wm", "afb_event_push failed: %m");
1086     }
1087 }
1088
1089 void App::send_event(char const *evname, char const *label, char const *area,
1090                      int x, int y, int w, int h)
1091 {
1092     HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
1093               __func__, evname, label, area, x, y, w, h);
1094
1095     json_object *j_rect = json_object_new_object();
1096     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
1097     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
1098     json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
1099     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
1100
1101     json_object *j = json_object_new_object();
1102     json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
1103     json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
1104     json_object_object_add(j, kKeyDrawingRect, j_rect);
1105
1106     int ret = afb_event_push(this->map_afb_event[evname], j);
1107     if (ret != 0)
1108     {
1109         HMI_DEBUG("wm", "afb_event_push failed: %m");
1110     }
1111 }
1112
1113 /**
1114  * proxied events
1115  */
1116 void App::surface_created(uint32_t surface_id)
1117 {
1118     auto layer_id = this->layers.get_layer_id(surface_id);
1119     if (!layer_id)
1120     {
1121         HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
1122                   surface_id);
1123         return;
1124     }
1125
1126     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
1127
1128     this->controller->layers[*layer_id]->add_surface(surface_id);
1129     this->layout_commit();
1130     // activate the main_surface right away
1131     /*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
1132       HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
1133
1134       this->api_activate_surface(
1135          this->lookup_name(surface_id).value_or("unknown-name").c_str());
1136    }*/
1137
1138     // search pid from surfaceID
1139
1140     // pick up appid from pid from application manager
1141
1142     // check appid then add it to the client
1143 }
1144
1145 void App::surface_removed(uint32_t surface_id)
1146 {
1147     HMI_DEBUG("wm", "surface_id is %u", surface_id);
1148
1149     g_app_list.removeSurface(surface_id);
1150 }
1151
1152 void App::emit_activated(char const *label)
1153 {
1154     this->send_event(kListEventName[Event_Active], label);
1155 }
1156
1157 void App::emit_deactivated(char const *label)
1158 {
1159     this->send_event(kListEventName[Event_Inactive], label);
1160 }
1161
1162 void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
1163 {
1164     this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
1165 }
1166
1167 void App::emit_flushdraw(char const *label)
1168 {
1169     this->send_event(kListEventName[Event_FlushDraw], label);
1170 }
1171
1172 void App::emit_visible(char const *label, bool is_visible)
1173 {
1174     this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
1175 }
1176
1177 void App::emit_invisible(char const *label)
1178 {
1179     return emit_visible(label, false);
1180 }
1181
1182 void App::emit_visible(char const *label) { return emit_visible(label, true); }
1183
1184 result<int> App::api_request_surface(char const *appid, char const *drawing_name)
1185 {
1186     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1187     if (!lid)
1188     {
1189         /**
1190        * register drawing_name as fallback and make it displayed.
1191        */
1192         lid = this->layers.get_layer_id(std::string("Fallback"));
1193         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1194         if (!lid)
1195         {
1196             return Err<int>("Drawing name does not match any role, Fallback is disabled");
1197         }
1198     }
1199
1200     auto rname = this->lookup_id(drawing_name);
1201     if (!rname)
1202     {
1203         // name does not exist yet, allocate surface id...
1204         auto id = int(this->id_alloc.generate_id(drawing_name));
1205         this->layers.add_surface(id, *lid);
1206
1207         // set the main_surface[_name] here and now
1208         if (!this->layers.main_surface_name.empty() &&
1209             this->layers.main_surface_name == drawing_name)
1210         {
1211             this->layers.main_surface = id;
1212             HMI_DEBUG("wm", "Set main_surface id to %u", id);
1213         }
1214
1215         // add client into the db
1216         std::string appid_str(appid);
1217         std::string role(drawing_name);
1218         //g_app_list.addClient(appid_str, role);
1219         g_app_list.addClient(appid_str, *lid, id, role);
1220
1221         return Ok<int>(id);
1222     }
1223
1224     // Check currently registered drawing names if it is already there.
1225     return Err<int>("Surface already present");
1226 }
1227
1228 char const *App::api_request_surface(char const *appid, char const *drawing_name,
1229                                      char const *ivi_id)
1230 {
1231     ST();
1232
1233     auto lid = this->layers.get_layer_id(std::string(drawing_name));
1234     unsigned sid = std::stol(ivi_id);
1235
1236     if (!lid)
1237     {
1238         /**
1239        * register drawing_name as fallback and make it displayed.
1240        */
1241         lid = this->layers.get_layer_id(std::string("Fallback"));
1242         HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
1243         if (!lid)
1244         {
1245             return "Drawing name does not match any role, Fallback is disabled";
1246         }
1247     }
1248
1249     auto rname = this->lookup_id(drawing_name);
1250
1251     if (rname)
1252     {
1253         return "Surface already present";
1254     }
1255
1256     // register pair drawing_name and ivi_id
1257     this->id_alloc.register_name_id(drawing_name, sid);
1258     this->layers.add_surface(sid, *lid);
1259
1260     // this surface is already created
1261     HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
1262
1263     this->controller->layers[*lid]->add_surface(sid);
1264     this->layout_commit();
1265
1266     return nullptr;
1267 }
1268
1269 result<json_object *> App::api_get_display_info()
1270 {
1271     // Check controller
1272     if (!this->controller)
1273     {
1274         return Err<json_object *>("ivi_controller global not available");
1275     }
1276
1277     // Set display info
1278     compositor::size o_size = this->controller->output_size;
1279     compositor::size p_size = this->controller->physical_size;
1280
1281     json_object *object = json_object_new_object();
1282     json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
1283     json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
1284     json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
1285     json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
1286
1287     return Ok<json_object *>(object);
1288 }
1289
1290 result<json_object *> App::api_get_area_info(char const *drawing_name)
1291 {
1292     HMI_DEBUG("wm", "called");
1293
1294     // Check drawing name, surface/layer id
1295     auto const &surface_id = this->lookup_id(drawing_name);
1296     if (!surface_id)
1297     {
1298         return Err<json_object *>("Surface does not exist");
1299     }
1300
1301     if (!this->controller->surface_exists(*surface_id))
1302     {
1303         return Err<json_object *>("Surface does not exist in controller!");
1304     }
1305
1306     auto layer_id = this->layers.get_layer_id(*surface_id);
1307     if (!layer_id)
1308     {
1309         return Err<json_object *>("Surface is not on any layer!");
1310     }
1311
1312     auto o_state = *this->layers.get_layout_state(*surface_id);
1313     if (o_state == nullptr)
1314     {
1315         return Err<json_object *>("Could not find layer for surface");
1316     }
1317
1318     struct LayoutState &state = *o_state;
1319     if ((state.main != *surface_id) && (state.sub != *surface_id))
1320     {
1321         return Err<json_object *>("Surface is inactive");
1322     }
1323
1324     // Set area rectangle
1325     compositor::rect area_info = this->area_info[*surface_id];
1326     json_object *object = json_object_new_object();
1327     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
1328     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
1329     json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
1330     json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
1331
1332     return Ok<json_object *>(object);
1333 }
1334
1335 void App::activate(int id)
1336 {
1337     auto ip = this->controller->sprops.find(id);
1338     if (ip != this->controller->sprops.end())
1339     {
1340         this->controller->surfaces[id]->set_visibility(1);
1341         char const *label =
1342             this->lookup_name(id).value_or("unknown-name").c_str();
1343
1344         // FOR CES DEMO >>>
1345         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1346         {
1347             for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
1348             {
1349                 if (id == *i)
1350                 {
1351                     // Remove id
1352                     this->surface_bg.erase(i);
1353
1354                     // Remove from BG layer (999)
1355                     HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
1356                     this->controller->layers[999]->remove_surface(id);
1357
1358                     // Add to FG layer (1001)
1359                     HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
1360                     this->controller->layers[1001]->add_surface(id);
1361
1362                     for (int j : this->surface_bg)
1363                     {
1364                         HMI_DEBUG("wm", "Stored id:%d", j);
1365                     }
1366                     break;
1367                 }
1368             }
1369         }
1370         // <<< FOR CES DEMO
1371         this->layout_commit();
1372
1373         this->emit_visible(label);
1374         this->emit_activated(label);
1375     }
1376 }
1377
1378 void App::deactivate(int id)
1379 {
1380     auto ip = this->controller->sprops.find(id);
1381     if (ip != this->controller->sprops.end())
1382     {
1383         char const *label =
1384             this->lookup_name(id).value_or("unknown-name").c_str();
1385
1386         // FOR CES DEMO >>>
1387         if ((0 == strcmp(label, "Radio")) || (0 == strcmp(label, "MediaPlayer")) || (0 == strcmp(label, "Music")) || (0 == strcmp(label, "Navigation")))
1388         {
1389
1390             // Store id
1391             this->surface_bg.push_back(id);
1392
1393             // Remove from FG layer (1001)
1394             HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
1395             this->controller->layers[1001]->remove_surface(id);
1396
1397             // Add to BG layer (999)
1398             HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
1399             this->controller->layers[999]->add_surface(id);
1400
1401             for (int j : surface_bg)
1402             {
1403                 HMI_DEBUG("wm", "Stored id:%d", j);
1404             }
1405         }
1406         else
1407         {
1408             this->controller->surfaces[id]->set_visibility(0);
1409         }
1410         // <<< FOR CES DEMO
1411
1412         this->emit_deactivated(label);
1413         this->emit_invisible(label);
1414     }
1415 }
1416
1417 void App::deactivate_main_surface()
1418 {
1419     this->layers.main_surface = -1;
1420     std::string appid = "HomeScreen";
1421     this->api_deactivate_surface(appid.c_str(), this->layers.main_surface_name.c_str(), [](const char *) {});
1422 }
1423
1424 bool App::can_split(struct LayoutState const &state, int new_id)
1425 {
1426     if (state.main != -1 && state.main != new_id)
1427     {
1428         auto new_id_layer = this->layers.get_layer_id(new_id).value();
1429         auto current_id_layer = this->layers.get_layer_id(state.main).value();
1430
1431         // surfaces are on separate layers, don't bother.
1432         if (new_id_layer != current_id_layer)
1433         {
1434             return false;
1435         }
1436
1437         std::string const &new_id_str = this->lookup_name(new_id).value();
1438         std::string const &cur_id_str = this->lookup_name(state.main).value();
1439
1440         auto const &layer = this->layers.get_layer(new_id_layer);
1441
1442         HMI_DEBUG("wm", "layer info name: %s", layer->name.c_str());
1443
1444         if (layer->layouts.empty())
1445         {
1446             return false;
1447         }
1448
1449         for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++)
1450         {
1451             HMI_DEBUG("wm", "%d main_match '%s'", new_id_layer, i->main_match.c_str());
1452             auto rem = std::regex(i->main_match);
1453             if (std::regex_match(cur_id_str, rem))
1454             {
1455                 // build the second one only if the first already matched
1456                 HMI_DEBUG("wm", "%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
1457                 auto res = std::regex(i->sub_match);
1458                 if (std::regex_match(new_id_str, res))
1459                 {
1460                     HMI_DEBUG("wm", "layout matched!");
1461                     return true;
1462                 }
1463             }
1464         }
1465     }
1466
1467     return false;
1468 }
1469
1470 void App::try_layout(struct LayoutState & /*state*/,
1471                      struct LayoutState const &new_layout,
1472                      std::function<void(LayoutState const &nl)> apply)
1473 {
1474     if (this->policy.layout_is_valid(new_layout))
1475     {
1476         apply(new_layout);
1477     }
1478 }
1479
1480 /**
1481  * controller_hooks
1482  */
1483 void controller_hooks::surface_created(uint32_t surface_id)
1484 {
1485     this->app->surface_created(surface_id);
1486 }
1487
1488 void controller_hooks::surface_removed(uint32_t surface_id)
1489 {
1490     this->app->surface_removed(surface_id);
1491 }
1492
1493 void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
1494                                           uint32_t /*v*/) {}
1495
1496 void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
1497                                                      uint32_t /*x*/,
1498                                                      uint32_t /*y*/,
1499                                                      uint32_t /*w*/,
1500                                                      uint32_t /*h*/) {}
1501
1502 } // namespace wm