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//
// Created by mfritzsc on 7/11/17.
//
#include "app.hpp"
#include "json_helper.hpp"
#include "layout.hpp"
#include "util.hpp"
#include "wayland.hpp"
#include <cstdio>
#include <memory>
#include <cassert>
#include <json-c/json.h>
#include <fstream>
#include <json.hpp>
namespace wm {
#ifndef NDEBUG
#define DB(expr) \
std::cerr << __FILE__ << ":" << __LINE__ << ":" << __func__ << ": " << expr \
<< "\n"
#else
#define DB(expr)
#endif
namespace {
App *g_app;
using json = nlohmann::json;
// We ned to manually unwrap numbers
template <typename T>
result<T> get(json const &j) {
T r;
std::istringstream s(j.get<std::string>());
s >> r;
return s.fail() ? Err<T>("Could not read int") : Ok(r);
}
struct wm::area area_from_json(json const &j) {
return wm::area{
j["name"].get<std::string>(),
{
get<uint32_t>(j["width"]).unwrap(),
get<uint32_t>(j["height"]).unwrap(),
get<int32_t>(j["x"]).unwrap(),
get<int32_t>(j["y"]).unwrap(),
},
get<uint32_t>(j["zorder"]).unwrap(),
};
}
struct layout layout_from_json(json const &j) {
auto &ja = j["areas"];
auto l = wm::layout{j["name"].get<std::string>(), uint32_t(ja.size()), {}};
logdebug("Loading layout '%s' with %u areas", l.name.c_str(),
unsigned(ja.size()));
std::transform(std::cbegin(ja), std::cend(ja), std::begin(l.areas),
area_from_json);
return l;
}
struct result<layouts_type> load_layout(char const *filename) {
json jlayouts;
std::ifstream i(filename);
i >> jlayouts;
size_t nlayouts = jlayouts.size();
auto layouts = layouts_type(nlayouts);
std::transform(std::cbegin(jlayouts), std::cend(jlayouts),
std::begin(layouts), layout_from_json);
return Ok(layouts);
}
} // namespace
App::App(wl::display *d)
: api{this},
display{d},
controller{},
outputs(),
layouts() {
// layouts(load_layout("../layout.json").unwrap()) {
assert(g_app == nullptr);
g_app = this;
}
App::~App() { g_app = nullptr; }
int App::init() {
if (!this->display->ok()) {
return -1;
}
this->display->add_global_handler(
"wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
});
this->display->add_global_handler(
"ivi_controller", [this](wl_registry *r, uint32_t name, uint32_t v) {
this->controller = std::make_unique<genivi::controller>(r, name, v);
// XXX: This protocol needs the output, so lets just add our mapping
// here...
this->controller->add_proxy_to_id_mapping(
this->outputs.back()->proxy.get(),
wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
this->outputs.back()->proxy.get())));
});
// First level objects
this->display->roundtrip();
// Second level objects
this->display->roundtrip();
// Third level objects
this->display->roundtrip();
return init_layout();
}
int App::dispatch_events() {
int ret = this->display->dispatch();
if (ret == -1) {
logerror("wl_display_dipatch() returned error %d",
this->display->get_error());
return -1;
}
this->display->flush();
// execute pending tasks, that is layout changes etc.
this->controller->execute_pending();
this->display->roundtrip();
return 0;
}
// _ _ _ _ _ ____
// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
// |_____| |___/ \_\/_/
int App::init_layout() {
if (!this->controller) {
logerror("ivi_controller global not available");
return -1;
}
if (this->outputs.empty()) {
logerror("no output was set up!");
return -1;
}
auto &c = this->controller;
auto &o = this->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();
this->display->flush();
return 0;
}
binding_api::result_type binding_api::register_surface(uint32_t appid,
uint32_t surfid) {
logdebug("%s appid %u surfid %u", __func__, appid, surfid);
if (appid > 0xff) {
return Err<json_object *>("invalid appid");
}
if (surfid > 0xffff) {
return Err<json_object *>("invalid surfaceid");
}
return Ok(json_object_new_int((appid << 16) + surfid));
}
binding_api::result_type binding_api::debug_layers() {
logdebug("%s", __func__);
return Ok(to_json(this->app->controller->lprops));
}
binding_api::result_type binding_api::debug_surfaces() {
logdebug("%s", __func__);
return Ok(to_json(this->app->controller->sprops));
}
binding_api::result_type binding_api::debug_status() {
logdebug("%s", __func__);
json_object *jr = json_object_new_object();
json_object_object_add(jr, "surfaces",
to_json(this->app->controller->sprops));
json_object_object_add(jr, "layers", to_json(this->app->controller->lprops));
return Ok(jr);
}
} // namespace wm
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