2 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 #include "../include/json.hpp"
22 #include "window_manager.hpp"
23 #include "json_helper.hpp"
24 #include "wayland_ivi_wm.hpp"
28 #include <afb/afb-binding.h>
29 #include <systemd/sd-event.h>
32 typedef struct WMClientCtxt
36 WMClientCtxt(const char *appName, const char* appRole)
45 std::unique_ptr<wl::display> display;
46 wm::WindowManager wmgr;
48 afb_instance() : display{new wl::display}, wmgr{this->display.get()} {}
53 struct afb_instance *g_afb_instance;
56 int afb_instance::init()
58 return this->wmgr.init();
61 int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
66 if ((events & EPOLLHUP) != 0)
68 HMI_ERROR("wm", "The compositor hung up, dying now.");
69 delete g_afb_instance;
70 g_afb_instance = nullptr;
74 if ((events & EPOLLIN) != 0u)
77 STN(display_read_events);
78 g_afb_instance->wmgr.display->read_events();
79 g_afb_instance->wmgr.set_pending_events();
82 // We want do dispatch pending wayland events from within
84 STN(winman_ping_api_call);
85 afb_service_call("windowmanager", "ping", json_object_new_object(),
86 [](void *c, int st, json_object *j) {
87 STN(winman_ping_api_call_return);
96 sd_event_source_unref(evs);
97 if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
106 HMI_NOTICE("wm", "WinMan ver. %s", WINMAN_VERSION_STRING);
108 if (g_afb_instance != nullptr)
110 HMI_ERROR("wm", "Wayland context already initialized?");
114 if (getenv("XDG_RUNTIME_DIR") == nullptr)
116 HMI_ERROR("wm", "Environment variable XDG_RUNTIME_DIR not set");
121 // wait until wayland compositor starts up.
123 g_afb_instance = new afb_instance;
124 while (!g_afb_instance->display->ok())
129 HMI_ERROR("wm", "Could not connect to compositor");
132 HMI_ERROR("wm", "Wait to start weston ...");
134 delete g_afb_instance;
135 g_afb_instance = new afb_instance;
139 if (g_afb_instance->init() == -1)
141 HMI_ERROR("wm", "Could not connect to compositor");
146 int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
147 g_afb_instance->display->get_fd(), EPOLLIN,
148 display_event_callback, g_afb_instance);
151 HMI_ERROR("wm", "Could not initialize afb_instance event handler: %d", -ret);
156 atexit([] { delete g_afb_instance; });
161 delete g_afb_instance;
162 g_afb_instance = nullptr;
166 int binding_init() noexcept
170 return _binding_init();
172 catch (std::exception &e)
174 HMI_ERROR("wm", "Uncaught exception in binding_init(): %s", e.what());
179 static void cbRemoveClientCtxt(void *data)
181 WMClientCtxt *ctxt = (WMClientCtxt *)data;
186 HMI_DEBUG("wm", "remove app %s", ctxt->name.c_str());
187 // Lookup surfaceID and remove it because App is dead.
188 auto pSid = g_afb_instance->wmgr.id_alloc.lookup(ctxt->role.c_str());
192 auto o_state = *g_afb_instance->wmgr.layers.get_layout_state(sid);
193 if (o_state != nullptr)
195 if (o_state->main == sid)
199 else if (o_state->sub == sid)
204 g_afb_instance->wmgr.id_alloc.remove_id(sid);
205 g_afb_instance->wmgr.layers.remove_surface(sid);
206 HMI_DEBUG("wm", "delete surfaceID %d", sid);
208 g_afb_instance->wmgr.removeClient(ctxt->name);
212 static void createSecurityContext(afb_req req, const char* appid, const char* role)
214 WMClientCtxt *ctxt = (WMClientCtxt *)afb_req_context_get(req);
217 // Create Security Context at first time
218 const char *new_role = g_afb_instance->wmgr.convertRoleOldToNew(role);
219 WMClientCtxt *ctxt = new WMClientCtxt(appid, new_role);
220 HMI_DEBUG("wm", "create session for %s", ctxt->name.c_str());
221 afb_req_session_set_LOA(req, 1);
222 afb_req_context_set(req, ctxt, cbRemoveClientCtxt);
226 void windowmanager_requestsurface(afb_req req) noexcept
228 std::lock_guard<std::mutex> guard(binding_m);
232 if (g_afb_instance == nullptr)
234 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
240 const char *a_drawing_name = afb_req_value(req, "drawing_name");
243 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
247 const char *appid = afb_req_get_application_id(req);
248 auto ret = g_afb_instance->wmgr.api_request_surface(
249 appid, a_drawing_name);
252 afb_req_fail(req, "failed", ret.unwrap_err());
256 createSecurityContext(req, appid, a_drawing_name);
258 afb_req_success(req, json_object_new_int(ret.unwrap()), "success");
260 catch (std::exception &e)
262 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurface: %s", e.what());
267 void windowmanager_requestsurfacexdg(afb_req req) noexcept
269 std::lock_guard<std::mutex> guard(binding_m);
273 if (g_afb_instance == nullptr)
275 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
281 json_object *jreq = afb_req_json(req);
283 json_object *j_drawing_name = nullptr;
284 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
286 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
289 char const *a_drawing_name = json_object_get_string(j_drawing_name);
291 json_object *j_ivi_id = nullptr;
292 if (!json_object_object_get_ex(jreq, "ivi_id", &j_ivi_id))
294 afb_req_fail(req, "failed", "Need char const* argument ivi_id");
297 char const *a_ivi_id = json_object_get_string(j_ivi_id);
298 char const *appid = afb_req_get_application_id(req);
299 auto ret = g_afb_instance->wmgr.api_request_surface(
300 appid, a_drawing_name, a_ivi_id);
304 afb_req_fail(req, "failed", ret);
308 createSecurityContext(req, appid, a_drawing_name);
310 afb_req_success(req, NULL, "success");
312 catch (std::exception &e)
314 afb_req_fail_f(req, "failed", "Uncaught exception while calling requestsurfacexdg: %s", e.what());
319 void windowmanager_activatewindow(afb_req req) noexcept
321 std::lock_guard<std::mutex> guard(binding_m);
325 if (g_afb_instance == nullptr)
327 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
333 const char *a_drawing_name = afb_req_value(req, "drawing_name");
336 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
340 const char *a_drawing_area = afb_req_value(req, "drawing_area");
343 afb_req_fail(req, "failed", "Need char const* argument drawing_area");
347 g_afb_instance->wmgr.api_activate_surface(
348 afb_req_get_application_id(req),
349 a_drawing_name, a_drawing_area,
350 [&req](const char *errmsg) {
351 if (errmsg != nullptr)
353 HMI_ERROR("wm", errmsg);
354 afb_req_fail(req, "failed", errmsg);
357 afb_req_success(req, NULL, "success");
360 catch (std::exception &e)
362 HMI_WARNING("wm", "failed: Uncaught exception while calling activatesurface: %s", e.what());
363 g_afb_instance->wmgr.exceptionProcessForTransition();
368 void windowmanager_deactivatewindow(afb_req req) noexcept
370 std::lock_guard<std::mutex> guard(binding_m);
374 if (g_afb_instance == nullptr)
376 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
382 const char *a_drawing_name = afb_req_value(req, "drawing_name");
385 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
389 g_afb_instance->wmgr.api_deactivate_surface(
390 afb_req_get_application_id(req), a_drawing_name,
391 [&req](const char *errmsg) {
392 if (errmsg != nullptr)
394 HMI_ERROR("wm", errmsg);
395 afb_req_fail(req, "failed", errmsg);
398 afb_req_success(req, NULL, "success");
401 catch (std::exception &e)
403 HMI_WARNING("wm", "failed: Uncaught exception while calling deactivatesurface: %s", e.what());
404 g_afb_instance->wmgr.exceptionProcessForTransition();
409 void windowmanager_enddraw(afb_req req) noexcept
411 std::lock_guard<std::mutex> guard(binding_m);
415 if (g_afb_instance == nullptr)
417 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
423 const char *a_drawing_name = afb_req_value(req, "drawing_name");
426 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
429 afb_req_success(req, NULL, "success");
431 g_afb_instance->wmgr.api_enddraw(
432 afb_req_get_application_id(req), a_drawing_name);
434 catch (std::exception &e)
436 HMI_WARNING("wm", "failed: Uncaught exception while calling enddraw: %s", e.what());
437 g_afb_instance->wmgr.exceptionProcessForTransition();
442 void windowmanager_getdisplayinfo_thunk(afb_req req) noexcept
444 std::lock_guard<std::mutex> guard(binding_m);
448 if (g_afb_instance == nullptr)
450 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
456 auto ret = g_afb_instance->wmgr.api_get_display_info();
459 afb_req_fail(req, "failed", ret.unwrap_err());
463 afb_req_success(req, ret.unwrap(), "success");
465 catch (std::exception &e)
467 afb_req_fail_f(req, "failed", "Uncaught exception while calling getdisplayinfo: %s", e.what());
472 void windowmanager_getareainfo_thunk(afb_req req) noexcept
474 std::lock_guard<std::mutex> guard(binding_m);
478 if (g_afb_instance == nullptr)
480 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
486 json_object *jreq = afb_req_json(req);
488 json_object *j_drawing_name = nullptr;
489 if (!json_object_object_get_ex(jreq, "drawing_name", &j_drawing_name))
491 afb_req_fail(req, "failed", "Need char const* argument drawing_name");
494 char const *a_drawing_name = json_object_get_string(j_drawing_name);
496 auto ret = g_afb_instance->wmgr.api_get_area_info(a_drawing_name);
499 afb_req_fail(req, "failed", ret.unwrap_err());
503 afb_req_success(req, ret.unwrap(), "success");
505 catch (std::exception &e)
507 afb_req_fail_f(req, "failed", "Uncaught exception while calling getareainfo: %s", e.what());
512 void windowmanager_wm_subscribe(afb_req req) noexcept
514 std::lock_guard<std::mutex> guard(binding_m);
518 if (g_afb_instance == nullptr)
520 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
526 json_object *jreq = afb_req_json(req);
527 json_object *j = nullptr;
528 if (!json_object_object_get_ex(jreq, "event", &j))
530 afb_req_fail(req, "failed", "Need char const* argument event");
533 int event_type = json_object_get_int(j);
534 const char *event_name = g_afb_instance->wmgr.kListEventName[event_type];
535 struct afb_event event = g_afb_instance->wmgr.map_afb_event[event_name];
536 int ret = afb_req_subscribe(req, event);
539 afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
542 afb_req_success(req, NULL, "success");
544 catch (std::exception &e)
546 afb_req_fail_f(req, "failed", "Uncaught exception while calling wm_subscribe: %s", e.what());
551 void windowmanager_list_drawing_names(afb_req req) noexcept
553 std::lock_guard<std::mutex> guard(binding_m);
557 if (g_afb_instance == nullptr)
559 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
566 nlohmann::json j = g_afb_instance->wmgr.id_alloc.name2id;
567 auto ret = wm::Ok(json_tokener_parse(j.dump().c_str()));
570 afb_req_fail(req, "failed", ret.unwrap_err());
574 afb_req_success(req, ret.unwrap(), "success");
576 catch (std::exception &e)
578 afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
583 void windowmanager_ping(afb_req req) noexcept
585 std::lock_guard<std::mutex> guard(binding_m);
589 if (g_afb_instance == nullptr)
591 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
598 g_afb_instance->wmgr.api_ping();
600 afb_req_success(req, NULL, "success");
602 catch (std::exception &e)
604 afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
609 void windowmanager_debug_status(afb_req req) noexcept
611 std::lock_guard<std::mutex> guard(binding_m);
615 if (g_afb_instance == nullptr)
617 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
624 json_object *jr = json_object_new_object();
625 json_object_object_add(jr, "surfaces",
626 to_json(g_afb_instance->wmgr.controller->sprops));
627 json_object_object_add(jr, "layers", to_json(g_afb_instance->wmgr.controller->lprops));
629 afb_req_success(req, jr, "success");
631 catch (std::exception &e)
633 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
638 void windowmanager_debug_layers(afb_req req) noexcept
640 std::lock_guard<std::mutex> guard(binding_m);
644 if (g_afb_instance == nullptr)
646 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
652 auto ret = wm::Ok(json_tokener_parse(g_afb_instance->wmgr.layers.to_json().dump().c_str()));
654 afb_req_success(req, ret, "success");
656 catch (std::exception &e)
658 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
663 void windowmanager_debug_surfaces(afb_req req) noexcept
665 std::lock_guard<std::mutex> guard(binding_m);
669 if (g_afb_instance == nullptr)
671 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
678 auto ret = wm::Ok(to_json(g_afb_instance->wmgr.controller->sprops));
681 afb_req_fail(req, "failed", ret.unwrap_err());
685 afb_req_success(req, ret.unwrap(), "success");
687 catch (std::exception &e)
689 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
694 void windowmanager_debug_terminate(afb_req req) noexcept
696 std::lock_guard<std::mutex> guard(binding_m);
700 if (g_afb_instance == nullptr)
702 afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
709 if (getenv("WINMAN_DEBUG_TERMINATE") != nullptr)
711 raise(SIGKILL); // afb-daemon kills it's pgroup using TERM, which
712 // doesn't play well with perf
715 afb_req_success(req, NULL, "success");
717 catch (std::exception &e)
719 afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_terminate: %s", e.what());
724 const struct afb_verb_v2 windowmanager_verbs[] = {
725 {"requestsurface", windowmanager_requestsurface, nullptr, nullptr, AFB_SESSION_NONE},
726 {"requestsurfacexdg", windowmanager_requestsurfacexdg, nullptr, nullptr, AFB_SESSION_NONE},
727 {"activatewindow", windowmanager_activatewindow, nullptr, nullptr, AFB_SESSION_NONE},
728 {"deactivatewindow", windowmanager_deactivatewindow, nullptr, nullptr, AFB_SESSION_NONE},
729 {"enddraw", windowmanager_enddraw, nullptr, nullptr, AFB_SESSION_NONE},
730 {"getdisplayinfo", windowmanager_getdisplayinfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
731 {"getareainfo", windowmanager_getareainfo_thunk, nullptr, nullptr, AFB_SESSION_NONE},
732 {"wm_subscribe", windowmanager_wm_subscribe, nullptr, nullptr, AFB_SESSION_NONE},
733 {"list_drawing_names", windowmanager_list_drawing_names, nullptr, nullptr, AFB_SESSION_NONE},
734 {"ping", windowmanager_ping, nullptr, nullptr, AFB_SESSION_NONE},
735 {"debug_status", windowmanager_debug_status, nullptr, nullptr, AFB_SESSION_NONE},
736 {"debug_layers", windowmanager_debug_layers, nullptr, nullptr, AFB_SESSION_NONE},
737 {"debug_surfaces", windowmanager_debug_surfaces, nullptr, nullptr, AFB_SESSION_NONE},
738 {"debug_terminate", windowmanager_debug_terminate, nullptr, nullptr, AFB_SESSION_NONE},
741 extern "C" const struct afb_binding_v2 afbBindingV2 = {
742 "windowmanager", nullptr, nullptr, windowmanager_verbs, nullptr, binding_init, nullptr, 0};