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#include "json_helper.hpp"
#include "util.hpp"
#include "wayland.hpp"
#include "app.hpp"
#include <algorithm>
#include <json.h>
extern "C" {
#include <afb/afb-binding.h>
#include <systemd/sd-event.h>
}
namespace {
struct afb_instance {
std::unique_ptr<wl::display> display;
std::unique_ptr<genivi::controller> controller;
std::vector<std::unique_ptr<wl::output>> outputs;
wm::App app;
afb_instance() : display{new wl::display}, controller{nullptr}, outputs{}, app{} {}
int init();
};
struct afb_instance *g_afb_instance;
int afb_instance::init() {
if (!this->display->ok()) {
return -1;
}
this->display->r.add_global_handler("wl_output", [](wl_registry *r,
uint32_t name,
uint32_t v) {
g_afb_instance->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
});
this->display->r.add_global_handler(
"ivi_controller", [](wl_registry *r, uint32_t name, uint32_t v) {
g_afb_instance->controller =
std::make_unique<genivi::controller>(r, name, v);
// XXX: This protocol needs the output, so lets just add our mapping
// here...
g_afb_instance->controller->add_proxy_to_id_mapping(
g_afb_instance->outputs.back()->proxy.get(),
wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
g_afb_instance->outputs.back()->proxy.get())));
});
// First level objects
this->display->roundtrip();
// Second level objects
this->display->roundtrip();
// Third level objects
this->display->roundtrip();
// Init the app's members
this->app.display = this->display.get();
this->app.controller = this->controller.get();
return 0;
}
// _ _ _ _ _ ____
// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
// |_____| |___/ \_\/_/
char const *init_layout() {
if (!g_afb_instance->controller) {
return "ivi_controller global not available";
}
if (g_afb_instance->outputs.empty()) {
return "no output was set up!";
}
auto &c = g_afb_instance->controller;
auto &o = g_afb_instance->outputs.front();
auto &s = c->screens.begin()->second;
auto &layers = c->layers;
// XXX: Write output dimensions to ivi controller...
c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
// Clear scene
layers.clear();
// Clear screen
s->clear();
// Setup our dummy scene...
c->layer_create(100, 0, 0); // bottom layer, anything else
c->layer_create(1000, 0, 0); // top layer, mandelbrot
auto &l100 = c->layers[100];
auto &l1k = c->layers[1000];
// Set layers fullscreen
l100->set_destination_rectangle(0, 0, o->width, o->height);
l1k->set_destination_rectangle(0, 0, o->width, o->height);
l100->set_visibility(1);
l1k->set_visibility(1);
// Add layers to screen
s->set_render_order({100, 1000});
c->commit_changes();
g_afb_instance->display->flush();
return nullptr;
}
int display_event_callback(sd_event_source *evs, int fd, uint32_t events,
void *data) {
if ((events & EPOLLHUP) != 0) {
logerror("The compositor hung up, dying now.");
delete g_afb_instance;
g_afb_instance = nullptr;
goto error;
}
if (events & EPOLLIN) {
int ret = g_afb_instance->display->dispatch();
if (ret == -1) {
logerror("wl_display_dipatch() returned error %d",
g_afb_instance->display->get_error());
goto error;
}
g_afb_instance->display->flush();
// execute pending tasks, that is layout changes etc.
g_afb_instance->controller->execute_pending();
g_afb_instance->display->roundtrip();
}
return 0;
error:
sd_event_source_unref(evs);
return -1;
}
// _ _ _ _ _ _ _ ____
// | |__ (_)_ __ __| (_)_ __ __ _ (_)_ __ (_) |_ / /\ \
// | '_ \| | '_ \ / _` | | '_ \ / _` | | | '_ \| | __| | | |
// | |_) | | | | | (_| | | | | | (_| | | | | | | | |_| | | |
// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___|_|_| |_|_|\__| | | |
// |___/_____| \_\/_/
int binding_init_() {
lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
if (g_afb_instance != nullptr) {
logerror("Wayland context already initialized?");
return 0;
}
if (getenv("XDG_RUNTIME_DIR") == nullptr) {
logerror("Environment variable XDG_RUNTIME_DIR not set");
goto error;
}
g_afb_instance = new afb_instance;
if (g_afb_instance->init() == -1) {
logerror("Could not connect to compositor");
goto error;
}
if (char const *e = init_layout()) {
logerror("Could not init layout: %s", e);
goto error;
}
{
int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
g_afb_instance->display->get_fd(), EPOLLIN,
display_event_callback, g_afb_instance);
if (ret < 0) {
logerror("Could not initialize afb_instance event handler: %d", -ret);
goto error;
}
}
atexit([] { delete g_afb_instance; });
return 0;
error:
delete g_afb_instance;
g_afb_instance = nullptr;
return -1;
}
int binding_init() noexcept {
try {
return binding_init_();
} catch (std::exception &e) {
logerror("Uncaught exception in binding_init(): %s", e.what());
}
return -1;
}
} // namespace
#include "afb_binding.inl"
extern "C" const struct afb_binding_v2 afbBindingV2 = {
"winman", NULL, NULL, winman_verbs, NULL, binding_init, NULL, 1};
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