2 * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
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.
18 #include "json_helper.hpp"
22 #include "wayland.hpp"
29 #include <json-c/json.h>
32 #include <bits/signum.h>
43 using json = nlohmann::json;
45 struct wm::area area_from_json(json const &j) {
49 j["width"], j["height"], j["x"], j["y"],
55 result<struct layout> layout_from_json(json const &j) {
56 auto &ja = j["areas"];
58 auto l = layout{j["name"], uint32_t(ja.size()), {}};
60 if (ja.size() > layout::MAX_N_AREAS) {
61 return Err<struct layout>("Invalid number of areas in layout");
64 logdebug("Loading layout '%s' with %u areas", l.name.c_str(),
67 std::transform(std::cbegin(ja), std::cend(ja), std::begin(l.areas),
73 result<json> file_to_json(char const *filename) {
74 std::ifstream i(filename);
76 return Err<json>("Could not open config file");
83 // Will throw if parsing fails
84 struct result<layouts_type> load_layout(char const *filename) {
85 logdebug("loading layout from %s", filename);
87 auto j = file_to_json(filename);
89 return Err<layouts_type>(j.unwrap_err());
91 json jlayouts = j.unwrap();
93 auto layouts = layouts_type();
94 layouts.reserve(jlayouts.size());
95 std::transform(std::cbegin(jlayouts), std::cend(jlayouts),
96 std::back_inserter(layouts), layout_from_json);
101 struct result<layer_map>
102 load_layer_map(char const *filename) {
103 logdebug("loading IDs from %s", filename);
105 auto j = file_to_json(filename);
107 return Err<layer_map>(j.unwrap_err());
109 json jids = j.unwrap();
111 return to_layer_map(jids);
117 // ___| | __ _ ___ ___ / \ _ __ _ __ (_)_ __ ___ _ __ | |
118 // / __| |/ _` / __/ __| / _ \ | '_ \| '_ \ | | '_ ` _ \| '_ \| |
119 // | (__| | (_| \__ \__ \ / ___ \| |_) | |_) | | | | | | | | |_) | |
120 // \___|_|\__,_|___/___/ /_/ \_\ .__/| .__/ |_|_| |_| |_| .__/|_|
122 App::App(wl::display *d)
133 assert(g_app == nullptr);
138 auto l = load_layer_map(
139 this->config.get_string("layers.json").value().c_str());
141 this->layers = l.unwrap();
143 logerror("%s", l.err().value());
149 load_layout(this->config.get_string("layout.json").value().c_str());
151 this->layouts = l.unwrap();
153 logerror("%s", l.err().value());
156 } catch (std::exception &e) {
157 logerror("Loading of configuration failed: %s", e.what());
161 App::~App() { g_app = nullptr; }
164 if (!this->display->ok()) {
168 if (this->layers.mapping.empty()) {
169 logerror("No surface -> layer mapping loaded");
173 this->display->add_global_handler(
174 "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
175 this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
178 this->display->add_global_handler(
179 "ivi_controller", [this](wl_registry *r, uint32_t name, uint32_t v) {
180 this->controller = std::make_unique<struct genivi::controller>(r, name, v);
182 // Init controller hooks
183 this->controller->chooks = &this->chooks;
185 // XXX: This protocol needs the output, so lets just add our mapping
187 this->controller->add_proxy_to_id_mapping(
188 this->outputs.back()->proxy.get(),
189 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
190 this->outputs.back()->proxy.get())));
193 // First level objects
194 this->display->roundtrip();
195 // Second level objects
196 this->display->roundtrip();
197 // Third level objects
198 this->display->roundtrip();
200 return init_layout();
203 int App::dispatch_events() {
204 int ret = this->display->dispatch();
206 logerror("wl_display_dipatch() returned error %d",
207 this->display->get_error());
210 this->display->flush();
212 // execute pending tasks, that is layout changes etc.
213 //this->execute_pending();
219 // (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
220 // | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
221 // | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
222 // |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
223 // |_____| |___/ \_\/_/
224 int App::init_layout() {
225 if (!this->controller) {
226 logerror("ivi_controller global not available");
230 if (this->outputs.empty()) {
231 logerror("no output was set up!");
235 auto &c = this->controller;
237 auto &o = this->outputs.front();
238 auto &s = c->screens.begin()->second;
239 auto &layers = c->layers;
241 // XXX: Write output dimensions to ivi controller...
242 c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
250 // Quick and dirty setup of layers
251 // XXX: This likely needs to be sorted by order (note, we don't (yet?)
252 // do any zorder arrangement).
253 for (auto const &i : this->layers.mapping) {
254 c->layer_create(i.layer_id, o->width, o->height);
255 auto &l = layers[i.layer_id];
256 l->set_destination_rectangle(0, 0, o->width, o->height);
257 l->set_visibility(1);
258 logdebug("Setting up layer %s (%d) for surfaces %d-%d", i.name.c_str(),
259 i.layer_id, i.id_min, i.id_max);
262 // Add layers to screen (XXX: are they sorted correctly?)
263 s->set_render_order(this->layers.layers);
267 this->display->flush();
274 // This can fix the HomeScreen...
275 void redraw_fix(App *app, std::unique_ptr<genivi::surface> &s, int x, int y, int w, int h) {
276 { // XXX: Work around weston redraw issues
277 // trigger an update by changing the source dimensions!
278 s->set_configuration(w, h);
279 s->set_source_rectangle(0, 0, w, h);
280 s->set_destination_rectangle(x, y, w, h);
281 app->controller->commit_changes();
282 app->display->roundtrip();
284 // wait some time, for the process to do its thing...
285 using namespace std::chrono_literals;
286 std::this_thread::sleep_for(100ms);
288 // Set a different size then what we actually want.
289 s->set_configuration(w + 1, h);
290 s->set_source_rectangle(0, 0, w + 1, h);
291 s->set_destination_rectangle(x, y, w + 1, h);
292 app->controller->commit_changes();
293 app->display->roundtrip();
295 std::this_thread::sleep_for(100ms);
301 void App::surface_set_layout(uint32_t surface_id) {
302 if (!this->controller->surface_exists(surface_id)) {
303 logerror("Surface %d does not exist", int(surface_id));
307 auto o_layer_id = this->layers.get_layer_id(surface_id);
310 logerror("Surface %d is not associated with any layer!", int(surface_id));
314 uint32_t layer_id = o_layer_id.value();
315 logdebug("surface_set_layout for surface %u on layer %u", surface_id,
318 auto const &layer = this->layers.get_layer(layer_id);
319 auto rect = layer.value().rect;
320 auto &s = this->controller->surfaces[surface_id];
327 // less-than-0 values refer to MAX + 1 - $VALUE
328 // e.g. MAX is either screen width or height
330 w = this->controller->output_size.w + 1 + w;
333 h = this->controller->output_size.h + 1 + h;
336 redraw_fix(this, s, x, y, w, h);
338 // configure surface to wxh dimensions
339 s->set_configuration(w, h);
341 // set source reactangle, even if we should not need to set it.
342 s->set_source_rectangle(0, 0, w, h);
344 // set destination to the display rectangle
345 s->set_destination_rectangle(x, y, w, h);
347 s->set_visibility(0);
350 this->controller->commit_changes();
351 this->display->roundtrip();
353 this->controller->layers[layer_id]->add_surface(s.get());
355 // activate the main_surface right away
356 if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
357 logdebug("Activating main_surface (%d)", surface_id);
359 this->activate_surface(this->lookup_name(surface_id).value_or("unknown-name").c_str());
362 logdebug("Surface %u now on layer %u with rect { %d, %d, %d, %d }",
363 surface_id, layer_id, x, y, w, h);
366 char const *App::activate_surface(char const *drawing_name) {
370 auto oid = this->lookup_id(drawing_name);
372 surface_id = oid.value();
374 return "Surface does not exist";
378 if (!this->controller->surface_exists(surface_id)) {
379 return "Surface does not exist";
382 // This should involve a policy check, but as we do not (yet) have
383 // such a thing, we will just switch to this surface.
384 // XXX: input focus missing!!1
386 // Make it visible, no (or little effect) if already visible
387 auto &s = this->controller->surfaces[surface_id];
389 // Set all others invisible
390 for (auto &i : this->controller->surfaces) {
391 auto &si = this->controller->sprops[i.second->id];
392 if (int(si.id) != this->layers.main_surface) {
393 i.second->set_visibility(0);
394 this->controller->commit_changes();
395 this->display->flush();
398 s->set_visibility(1);
401 this->controller->commit_changes();
402 this->display->flush();
404 // Current active surface is the first in last_active
405 this->last_active.push_front(s->id);
406 /// // XXX: I am not sure I even need 5 elements...
407 /// this->last_active.resize(std::min(int(this->last_active.size()), 5));
409 this->emit_activated(drawing_name);
415 char const *App::deactivate_surface(char const *drawing_name) {
419 auto oid = this->lookup_id(drawing_name);
421 surface_id = oid.value();
423 return "Surface does not exist";
427 if (surface_id == this->layers.main_surface) {
428 return "Cannot deactivate main_surface";
431 if (this->last_active.empty()) {
432 return "Cannot deactivate surface (not active)";
435 // XXX: should an active surface not alsways be front() or
436 // front+1() of last_active?!
438 // XXX: Should I really be able to deactivate a surface that is not
439 // front() of last_active?
440 auto is = std::find(this->last_active.begin(),
441 this->last_active.end(),
444 if (is == this->last_active.end()) {
445 return "Cannot deactivate surface (not active)";
448 this->emit_deactivated(drawing_name);
450 this->last_active.erase(is);
452 if (! this->last_active.empty()) {
453 // Should be active already, shouldn't it?
454 this->activate_surface(this->lookup_name(this->last_active.front()).value_or("unknown-name").c_str());
456 this->activate_surface(this->layers.main_surface_name.c_str());
463 // _ __ _ __ _____ _(_) ___ __| | | ____|_ _____ _ __ | |_ ___
464 // | '_ \| '__/ _ \ \/ / |/ _ \/ _` | | _| \ \ / / _ \ '_ \| __/ __|
465 // | |_) | | | (_) > <| | __/ (_| | | |___ \ V / __/ | | | |_\__ \
466 // | .__/|_| \___/_/\_\_|\___|\__,_| |_____| \_/ \___|_| |_|\__|___/
468 void App::surface_created(uint32_t surface_id) {
469 //surface_id >>= id_allocator::id_shift;
471 logdebug("surface_id is %u", surface_id);
473 this->surface_set_layout(surface_id);
476 void App::surface_removed(uint32_t surface_id) {
477 //surface_id >>= id_allocator::id_shift;
479 logdebug("surface_id is %u", surface_id);
481 this->id_alloc.remove_id(surface_id);
483 // Also remove from last_active, if found
484 auto i = std::find(this->last_active.begin(),
485 this->last_active.end(), surface_id);
486 if (i != this->last_active.end()) {
487 this->last_active.erase(i);
491 void App::emit_activated(char const *label) {
492 this->api.send_event("activated", label);
495 void App::emit_deactivated(char const *label) {
496 this->api.send_event("deactivated", label);
499 void App::emit_syncdraw(char const *label) {
500 this->api.send_event("syncdraw", label);
503 void App::emit_flushdraw(char const *label) {
504 this->api.send_event("syncdraw", label);
507 void App::emit_visible(char const *label, bool is_visible) {
508 this->api.send_event(is_visible ? "visible" : "invisible", label);
511 result<int> App::request_surface(char const *drawing_name) {
512 auto lid = this->layers.get_layer_id(std::string(drawing_name));
514 // XXX: to we need to put these applications on the App layer?
515 return Err<int>("Drawing name does not match any role");
518 auto rname = this->lookup_id(drawing_name);
520 // name does not exist yet, allocate surface id...
521 auto id = int(this->id_alloc.generate_id(drawing_name));
522 this->layers.add_surface(id, lid.value());
524 // XXX: we set the main_surface[_name] here and now,
525 // not sure if we want this, but it worked so far.
526 if (!this->layers.main_surface_name.empty() &&
527 this->layers.main_surface_name == drawing_name) {
528 this->layers.main_surface = id;
529 logdebug("Set main_surface id to %u", id);
535 // Check currently registered drawing names if it is already there.
536 return Err<int>("Surface already present");
540 // | |__ (_)_ __ __| (_)_ __ __ _ __ _ _ __ (_) (_)_ __ ___ _ __ | |
541 // | '_ \| | '_ \ / _` | | '_ \ / _` | / _` | '_ \| | | | '_ ` _ \| '_ \| |
542 // | |_) | | | | | (_| | | | | | (_| | | (_| | |_) | | | | | | | | | |_) | |
543 // |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___\__,_| .__/|_| |_|_| |_| |_| .__/|_|
544 // |___/_____| |_| |_|
545 binding_api::result_type binding_api::request_surface(
546 char const *drawing_name) {
547 auto r = this->app->request_surface(drawing_name);
549 return Err<json_object *>(r.unwrap_err());
551 return Ok(json_object_new_int(r.unwrap()));
554 binding_api::result_type binding_api::activate_surface(
555 char const *drawing_name) {
556 logdebug("%s drawing_name %s", __func__, drawing_name);
557 auto r = this->app->activate_surface(drawing_name);
559 return Err<json_object *>(r);
561 return Ok(json_object_new_object());
564 binding_api::result_type binding_api::deactivate_surface(char const* drawing_name) {
565 logdebug("%s drawing_name %s", __func__, drawing_name);
566 auto r = this->app->deactivate_surface(drawing_name);
568 return Err<json_object *>(r);
570 return Ok(json_object_new_object());
573 binding_api::result_type binding_api::enddraw(char const* drawing_name) {
574 logdebug("%s drawing_name %s", __func__, drawing_name);
575 return Err<json_object*>("not implemented");
578 binding_api::result_type binding_api::list_drawing_names() {
579 logdebug("%s", __func__);
580 json j = this->app->id_alloc.name2id;
581 return Ok(json_tokener_parse(j.dump().c_str()));
584 binding_api::result_type binding_api::debug_layers() {
585 logdebug("%s", __func__);
586 return Ok(json_tokener_parse(this->app->layers.to_json().dump().c_str()));
589 binding_api::result_type binding_api::debug_surfaces() {
590 logdebug("%s", __func__);
591 return Ok(to_json(this->app->controller->sprops));
594 binding_api::result_type binding_api::debug_status() {
595 logdebug("%s", __func__);
596 json_object *jr = json_object_new_object();
597 json_object_object_add(jr, "surfaces",
598 to_json(this->app->controller->sprops));
599 json_object_object_add(jr, "layers", to_json(this->app->controller->lprops));
603 binding_api::result_type binding_api::debug_terminate() {
604 logdebug("%s", __func__);
605 raise(SIGKILL); // XXX afb-daemon kills it's pgroup using TERM, which
606 // doesn't play well with perf
607 return Ok(json_object_new_object());
610 binding_api::result_type binding_api::demo_activate_surface(uint32_t s) {
611 return Err<json_object *>("not implemented");
614 binding_api::result_type binding_api::demo_activate_all() {
615 return Err<json_object *>("not implemented");
619 // ___ ___ _ __ | |_ _ __ ___ | | | ___ _ __ | |__ ___ ___ | | _____
620 // / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|| '_ \ / _ \ / _ \| |/ / __|
621 // | (_| (_) | | | | |_| | | (_) | | | __/ | | | | | (_) | (_) | <\__ \
622 // \___\___/|_| |_|\__|_| \___/|_|_|\___|_|___|_| |_|\___/ \___/|_|\_\___/
624 void controller_hooks::surface_created(uint32_t surface_id) {
625 this->app->surface_created(surface_id);
628 void controller_hooks::surface_removed(uint32_t surface_id) {
629 this->app->surface_removed(surface_id);