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|
/*
* Copyright (c) 2017 TOYOTA MOTOR CORPORATION
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "app.hpp"
#include "json_helper.hpp"
#include "layers.hpp"
#include "layout.hpp"
#include "util.hpp"
#include "wayland_ivi_wm.hpp"
#include <cstdio>
#include <memory>
#include <cassert>
#include <json-c/json.h>
#include <algorithm>
#include <csignal>
#include <fstream>
#include <json.hpp>
#include <regex>
#include <thread>
#include <string>
namespace wm {
/* DrawingArea name used by "{layout}.{area}" */
const char kNameLayoutNormal[] = "normal";
const char kNameLayoutSplit[] = "split";
const char kNameAreaFull[] = "full";
const char kNameAreaMain[] = "main";
const char kNameAreaSub[] = "sub";
/* Key for json obejct */
const char kKeyDrawingName[] = "drawing_name";
const char kKeyDrawingArea[] = "drawing_area";
const char kKeyDrawingRect[] = "drawing_rect";
const char kKeyX[] = "x";
const char kKeyY[] = "y";
const char kKeyWidth[] = "width";
const char kKeyHeight[] = "height";
const char kKeyWidthPixel[] = "width_pixel";
const char kKeyHeightPixel[] = "height_pixel";
const char kKeyWidthMm[] = "width_mm";
const char kKeyHeightMm[] = "height_mm";
namespace {
using nlohmann::json;
result<json> file_to_json(char const *filename) {
json j;
std::ifstream i(filename);
if (i.fail()) {
HMI_DEBUG("wm", "Could not open config file, so use default layer information");
j = default_layers_json;
}
else {
i >> j;
}
return Ok(j);
}
struct result<layer_map> load_layer_map(char const *filename) {
HMI_DEBUG("wm", "loading IDs from %s", filename);
auto j = file_to_json(filename);
if (j.is_err()) {
return Err<layer_map>(j.unwrap_err());
}
json jids = j.unwrap();
return to_layer_map(jids);
}
} // namespace
/**
* App Impl
*/
App::App(wl::display *d)
: chooks{this},
display{d},
controller{},
outputs(),
config(),
layers(),
id_alloc{},
pending_events(false),
policy{} {
try {
{
auto l = load_layer_map(
this->config.get_string("layers.json").value().c_str());
if (l.is_ok()) {
this->layers = l.unwrap();
} else {
HMI_ERROR("wm", "%s", l.err().value());
}
}
} catch (std::exception &e) {
HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
}
// Initialize current car info
this->crr_car_info_.parking_brake_stt = true;
this->crr_car_info_.accel_pedal_stt = false;
this->crr_car_info_.accel_pedal_pos = 0;
this->crr_car_info_.car_stt = "stop";
this->crr_car_info_.headlamp_stt = false;
}
int App::init() {
if (!this->display->ok()) {
return -1;
}
if (this->layers.mapping.empty()) {
HMI_ERROR("wm", "No surface -> layer mapping loaded");
return -1;
}
#if 1 // @@@@@
// Load app.db
this->loadAppDb();
#endif
// Initialize PolicyManager
this->pm_.initialize();
// Initialize LayoutManager
this->lm_.initialize();
// Make afb event
for (int i=Event_Val_Min; i<=Event_Val_Max; i++) {
map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
}
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_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
this->controller =
std::make_unique<struct compositor::controller>(r, name, v);
// Init controller hooks
this->controller->chooks = &this->chooks;
// 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())));
// Create screen
this->controller->create_screen(this->outputs.back()->proxy.get());
// Set display to controller
this->controller->display = this->display;
});
// First level objects
this->display->roundtrip();
// Second level objects
this->display->roundtrip();
// Third level objects
this->display->roundtrip();
return init_layers();
}
int App::dispatch_pending_events() {
if (this->pop_pending_events()) {
this->display->dispatch_pending();
return 0;
}
return -1;
}
bool App::pop_pending_events() {
bool x{true};
return this->pending_events.compare_exchange_strong(
x, false, std::memory_order_consume);
}
void App::set_pending_events() {
this->pending_events.store(true, std::memory_order_release);
}
optional<int> App::lookup_id(char const *name) {
return this->id_alloc.lookup(std::string(name));
}
optional<std::string> App::lookup_name(int id) {
return this->id_alloc.lookup(id);
}
/**
* init_layers()
*/
int App::init_layers() {
if (!this->controller) {
HMI_ERROR("wm", "ivi_controller global not available");
return -1;
}
if (this->outputs.empty()) {
HMI_ERROR("wm", "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;
// Write output dimensions to ivi controller...
c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
c->physical_size = compositor::size{uint32_t(o->physical_width),
uint32_t(o->physical_height)};
// Clear scene
layers.clear();
// Clear screen
s->clear();
// Quick and dirty setup of layers
for (auto const &i : this->layers.mapping) {
c->layer_create(i.second.layer_id, o->width, o->height);
auto &l = layers[i.second.layer_id];
l->set_destination_rectangle(0, 0, o->width, o->height);
l->set_visibility(1);
HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
}
// Add layers to screen
s->set_render_order(this->layers.layers);
this->layout_commit();
return 0;
}
void App::layout_commit() {
this->controller->commit_changes();
this->display->flush();
}
void App::allocateWindowResource(char const *event, char const *drawing_name,
char const *drawing_area, char const *role,
const reply_func &reply) {
const char* new_role = nullptr;
const char* new_area = nullptr;
if (0 == strcmp("activate", event)) {
// TODO:
// This process will be removed
// because the applications will specify role instead of drawing_name
{
if ((nullptr == role) || (0 == strcmp("", role))) {
HMI_DEBUG("wm", "Role is not specified, so get by using app name");
new_role = this->app2role_[drawing_name].c_str();
}
else {
new_role = role;
}
HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
}
// TODO:
// This process will be removed
// because the area "normal.full" and "normalfull" will be prohibited
{
if (0 == strcmp("Restriction", drawing_name)) {
new_area = drawing_area;
}
else {
if (nullptr == drawing_area) {
new_area = "normal";
}
else if (0 == strcmp("normal.full", drawing_area)) {
new_area = "normal";
}
else if (0 == strcmp("restriction.split.sub", drawing_area)) {
new_area = "restriction.split.sub";
}
else if (0 == strcmp("homescreen", new_role)) {
// Now homescreen specifies "normalfull"
new_area = "full";
}
else {
new_area = "normal";
}
}
HMI_DEBUG("wm", "drawing_area:%s, new_area: %s", drawing_area, new_area);
}
}
else if (0 == strcmp("deactivate", event)) {
// TODO:
// This process will be removed
// because the applications will specify role instead of drawing_name
{
if ((nullptr == role) || (0 == strcmp("", role))) {
HMI_DEBUG("wm", "Role is not specified, so get by using app name");
new_role = this->app2role_[drawing_name].c_str();
}
else {
new_role = role;
}
HMI_DEBUG("wm", "drawing_name:%s, new_role: %s", drawing_name, new_role);
}
new_area = "";
}
// TODO:
// Check role
// TODO:
// If event is "activate" and area is not specifid,
// get default value by using role
// Check Policy
json_object* json_in = json_object_new_object();
json_object* json_out = json_object_new_object();
json_object_object_add(json_in, "event", json_object_new_string(event));
if (nullptr != new_role) {
json_object_object_add(json_in, "role", json_object_new_string(new_role));
}
if (nullptr != new_area) {
json_object_object_add(json_in, "area", json_object_new_string(new_area));
}
int ret = this->pm_.checkPolicy(json_in, &json_out);
if (0 > ret) {
reply("Error checkPolicy()");
return;
}
else {
HMI_DEBUG("wm", "result: %s", json_object_get_string(json_out));
}
// Release json_object
json_object_put(json_in);
// Check parking brake state
json_object* json_parking_brake;
if (!json_object_object_get_ex(json_out, "parking_brake", &json_parking_brake)) {
reply("Not found key \"parking_brake\"");
return;
}
json_bool is_changed;
is_changed = jh::getBoolFromJson(json_parking_brake, "is_changed");
if (is_changed) {
std::string parking_brake_state = jh::getStringFromJson(json_parking_brake, "state");
HMI_DEBUG("wm", "parking_brake_state: %s", parking_brake_state.c_str());
// Update state and emit event
if ("parking_brake_off" == parking_brake_state) {
this->crr_car_info_.parking_brake_stt = false;
#if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
this->emitParkingBrakeOff();
#endif
}
else if ("parking_brake_on" == parking_brake_state) {
this->crr_car_info_.parking_brake_stt = true;
#if 0 // FOR ALS: using lightstatus brake, so do not emit parking brake event
this->emitParkingBrakeOn();
#endif
}
else {
reply("Unknown parking brake state");
return;
}
}
// Check accelerator pedal state
json_object* json_accel_pedal;
if (!json_object_object_get_ex(json_out, "accel_pedal", &json_accel_pedal)) {
reply("Not found key \"accel_pedal\"");
return;
}
is_changed = jh::getBoolFromJson(json_accel_pedal, "is_changed");
if (is_changed) {
std::string accel_pedal_state = jh::getStringFromJson(json_accel_pedal, "state");
HMI_DEBUG("wm", "accel_pedal_state: %s", accel_pedal_state.c_str());
// Update state
if ("accel_pedal_off" == accel_pedal_state) {
this->crr_car_info_.accel_pedal_stt = false;
}
else if ("accel_pedal_on" == accel_pedal_state) {
this->crr_car_info_.accel_pedal_stt = true;
}
else {
reply("Unknown accel pedal state");
return;
}
}
// Check lightstatus brake state
json_object* json_lightstatus_brake;
if (!json_object_object_get_ex(json_out, "lightstatus_brake", &json_lightstatus_brake)) {
reply("Not found key \"lightstatus_brake\"");
return;
}
is_changed = jh::getBoolFromJson(json_lightstatus_brake, "is_changed");
if (is_changed) {
std::string lightstatus_brake_state = jh::getStringFromJson(json_lightstatus_brake, "state");
HMI_DEBUG("wm", "lightstatus_brake_state: %s", lightstatus_brake_state.c_str());
// Update state and emit event
if ("lightstatus_brake_off" == lightstatus_brake_state) {
this->crr_car_info_.lightstatus_brake_stt = false;
this->emitLightstatusBrakeOff();
}
else if ("lightstatus_brake_on" == lightstatus_brake_state) {
this->crr_car_info_.lightstatus_brake_stt = true;
this->emitLightstatusBrakeOn();
}
else {
reply("Unknown lightstatus brake state");
return;
}
}
// Check car state
json_object* json_car;
if (!json_object_object_get_ex(json_out, "car", &json_car)) {
reply("Not found key \"car\"");
return;
}
is_changed = jh::getBoolFromJson(json_car, "is_changed");
if (is_changed) {
std::string car_state = jh::getStringFromJson(json_car, "state");
HMI_DEBUG("wm", "car_state: %s", car_state.c_str());
// Emit car event
if ("car_stop" == car_state) {
this->crr_car_info_.car_stt = "stop";
this->emitCarStop();
}
else if ("car_run" == car_state) {
this->crr_car_info_.car_stt = "run";
this->emitCarRun();
}
else {
reply("Unknown car state");
return;
}
}
// Check lamp state
json_object* json_lamp;
if (!json_object_object_get_ex(json_out, "lamp", &json_lamp)) {
reply("Not found key \"lamp\"");
return;
}
is_changed = jh::getBoolFromJson(json_lamp, "is_changed");
if (is_changed) {
std::string lamp_state = jh::getStringFromJson(json_lamp, "state");
HMI_DEBUG("wm", "lamp_state: %s", lamp_state.c_str());
// Update state and emit event
if ("lamp_off" == lamp_state) {
this->crr_car_info_.headlamp_stt = false;
this->emitHeadlampOff();
}
else if ("lamp_on" == lamp_state) {
this->crr_car_info_.headlamp_stt = true;
this->emitHeadlampOn();
}
else {
reply("Unknown lamp state");
return;
}
}
// Get category
const char* category = nullptr;
std::string str_category;
if (nullptr != new_role) {
str_category = this->pm_.roleToCategory(new_role);
category = str_category.c_str();
HMI_DEBUG("wm", "role:%s category:%s", new_role, category);
}
// Update layout
if (this->lm_.updateLayout(json_out, new_role, category)) {
HMI_DEBUG("wm", "Layer is changed!!");
// Allocate surface
this->allocateSurface();
}
else {
HMI_DEBUG("wm", "All layer is NOT changed!!");
}
// Release json_object
json_object_put(json_out);
return;
}
void App::enqueue_flushdraw(int surface_id) {
this->check_flushdraw(surface_id);
HMI_DEBUG("wm", "Enqueuing EndDraw for surface_id %d", surface_id);
this->pending_end_draw.push_back(surface_id);
}
void App::check_flushdraw(int surface_id) {
auto i = std::find(std::begin(this->pending_end_draw),
std::end(this->pending_end_draw), surface_id);
if (i != std::end(this->pending_end_draw)) {
auto n = this->lookup_name(surface_id);
HMI_ERROR("wm", "Application %s (%d) has pending EndDraw call(s)!",
n ? n->c_str() : "unknown-name", surface_id);
std::swap(this->pending_end_draw[std::distance(
std::begin(this->pending_end_draw), i)],
this->pending_end_draw.back());
this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
}
}
void App::api_enddraw(char const *drawing_name) {
for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++) {
auto n = this->lookup_name(this->pending_end_draw[i]);
if (n && *n == drawing_name) {
std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
this->pending_end_draw.resize(iend - 1);
this->activate(this->pending_end_draw[i]);
this->emit_flushdraw(drawing_name);
}
}
}
void App::api_ping() { this->dispatch_pending_events(); }
void App::send_event(char const *evname){
HMI_DEBUG("wm", "%s: %s", __func__, evname);
int ret = afb_event_push(this->map_afb_event[evname], nullptr);
if (ret != 0) {
HMI_DEBUG("wm", "afb_event_push failed: %m");
}
}
void App::send_event(char const *evname, char const *label){
HMI_DEBUG("wm", "%s: %s(%s)", __func__, evname, label);
json_object *j = json_object_new_object();
json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
int ret = afb_event_push(this->map_afb_event[evname], j);
if (ret != 0) {
HMI_DEBUG("wm", "afb_event_push failed: %m");
}
}
void App::send_event(char const *evname, char const *label, char const *area,
int x, int y, int w, int h) {
HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
__func__, evname, label, area, x, y, w, h);
json_object *j_rect = json_object_new_object();
json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
json_object_object_add(j_rect, kKeyWidth, json_object_new_int(w));
json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
json_object *j = json_object_new_object();
json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
json_object_object_add(j, kKeyDrawingRect, j_rect);
int ret = afb_event_push(this->map_afb_event[evname], j);
if (ret != 0) {
HMI_DEBUG("wm", "afb_event_push failed: %m");
}
}
/**
* proxied events
*/
void App::surface_created(uint32_t surface_id) {
auto layer_id = this->layers.get_layer_id(surface_id);
if (!layer_id) {
HMI_DEBUG("wm", "Newly created surfce %d is not associated with any layer!",
surface_id);
return;
}
HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", surface_id, *layer_id);
this->controller->layers[*layer_id]->add_surface(surface_id);
this->layout_commit();
// activate the main_surface right away
/*if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
HMI_DEBUG("wm", "Activating main_surface (%d)", surface_id);
this->api_activate_surface(
this->lookup_name(surface_id).value_or("unknown-name").c_str());
}*/
}
void App::surface_removed(uint32_t surface_id) {
HMI_DEBUG("wm", "surface_id is %u", surface_id);
// We cannot normally deactivate the main_surface, so be explicit
// about it:
if (int(surface_id) == this->layers.main_surface) {
this->deactivate_main_surface();
} else {
auto drawing_name = this->lookup_name(surface_id);
if (drawing_name) {
this->allocateWindowResource("deactivate", drawing_name->c_str(),
nullptr, nullptr,
[](const char*){});
}
}
this->id_alloc.remove_id(surface_id);
this->layers.remove_surface(surface_id);
}
void App::emit_activated(char const *label) {
this->send_event(kListEventName[Event_Active], label);
}
void App::emit_deactivated(char const *label) {
this->send_event(kListEventName[Event_Inactive], label);
}
void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
}
void App::emit_flushdraw(char const *label) {
this->send_event(kListEventName[Event_FlushDraw], label);
}
void App::emit_visible(char const *label, bool is_visible) {
this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
}
void App::emit_invisible(char const *label) {
return emit_visible(label, false);
}
void App::emit_visible(char const *label) { return emit_visible(label, true); }
void App::emitHeadlampOff() {
// Send HeadlampOff event for all application
this->send_event(kListEventName[Event_HeadlampOff]);
}
void App::emitHeadlampOn() {
// Send HeadlampOn event for all application
this->send_event(kListEventName[Event_HeadlampOn]);
}
void App::emitParkingBrakeOff() {
// Send ParkingBrakeOff event for all application
this->send_event(kListEventName[Event_ParkingBrakeOff]);
}
void App::emitParkingBrakeOn() {
// Send ParkingBrakeOn event for all application
this->send_event(kListEventName[Event_ParkingBrakeOn]);
}
void App::emitLightstatusBrakeOff() {
// Send LightstatusBrakeOff event for all application
this->send_event(kListEventName[Event_LightstatusBrakeOff]);
}
void App::emitLightstatusBrakeOn() {
// Send LightstatusBrakeOn event for all application
this->send_event(kListEventName[Event_LightstatusBrakeOn]);
}
void App::emitCarStop() {
// Send CarStop event for all application
this->send_event(kListEventName[Event_CarStop]);
}
void App::emitCarRun() {
// Send CarRun event for all application
this->send_event(kListEventName[Event_CarRun]);
}
result<int> App::api_request_surface(char const *drawing_name) {
auto lid = this->layers.get_layer_id(std::string(drawing_name));
if (!lid) {
/**
* register drawing_name as fallback and make it displayed.
*/
lid = this->layers.get_layer_id(std::string("Fallback"));
HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
if(!lid){
return Err<int>("Drawing name does not match any role, Fallback is disabled");
}
}
auto rname = this->lookup_id(drawing_name);
if (!rname) {
// name does not exist yet, allocate surface id...
auto id = int(this->id_alloc.generate_id(drawing_name));
this->layers.add_surface(id, *lid);
// set the main_surface[_name] here and now
if (!this->layers.main_surface_name.empty() &&
this->layers.main_surface_name == drawing_name) {
this->layers.main_surface = id;
HMI_DEBUG("wm", "Set main_surface id to %u", id);
}
#if 0 // @@@@@
// TODO:
// This process will be implemented in SystemManager
{
// Generate app id
auto id = int(this->app_id_alloc_.generate_id(drawing_name));
this->appname2appid_[drawing_name] = id;
}
#endif
// Set map of (role, surface_id)
std::string role = this->app2role_[std::string(drawing_name)];
this->role2surfaceid_[role] = id;
// Set map of (role, app)
// If the new app which has the same role which is had by existing app is requested,
// the role is given to the new app.
this->role2app_[role] = std::string(drawing_name);
return Ok<int>(id);
}
// Check currently registered drawing names if it is already there.
return Err<int>("Surface already present");
}
char const *App::api_request_surface(char const *drawing_name,
char const *ivi_id) {
ST();
auto lid = this->layers.get_layer_id(std::string(drawing_name));
unsigned sid = std::stol(ivi_id);
if (!lid) {
/**
* register drawing_name as fallback and make it displayed.
*/
lid = this->layers.get_layer_id(std::string("Fallback"));
HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
if(!lid){
return "Drawing name does not match any role, Fallback is disabled";
}
}
auto rname = this->lookup_id(drawing_name);
if (rname) {
return "Surface already present";
}
// register pair drawing_name and ivi_id
this->id_alloc.register_name_id(drawing_name, sid);
this->layers.add_surface(sid, *lid);
// this surface is already created
HMI_DEBUG("wm", "surface_id is %u, layer_id is %u", sid, *lid);
this->controller->layers[*lid]->add_surface(sid);
this->layout_commit();
return nullptr;
}
result<json_object *> App::api_get_display_info() {
// Check controller
if (!this->controller) {
return Err<json_object *>("ivi_controller global not available");
}
// Set display info
compositor::size o_size = this->controller->output_size;
compositor::size p_size = this->controller->physical_size;
json_object *object = json_object_new_object();
json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
return Ok<json_object *>(object);
}
result<json_object *> App::api_get_area_info(char const *drawing_name) {
HMI_DEBUG("wm", "called");
// Check drawing name, surface/layer id
auto const &surface_id = this->lookup_id(drawing_name);
if (!surface_id) {
return Err<json_object *>("Surface does not exist");
}
if (!this->controller->surface_exists(*surface_id)) {
return Err<json_object *>("Surface does not exist in controller!");
}
auto layer_id = this->layers.get_layer_id(*surface_id);
if (!layer_id) {
return Err<json_object *>("Surface is not on any layer!");
}
auto o_state = *this->layers.get_layout_state(*surface_id);
if (o_state == nullptr) {
return Err<json_object *>("Could not find layer for surface");
}
// Set area rectangle
compositor::rect area_info = this->area_info[*surface_id];
json_object *object = json_object_new_object();
json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
json_object_object_add(object, kKeyWidth, json_object_new_int(area_info.w));
json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
return Ok<json_object *>(object);
}
result<json_object *> App::api_get_car_info(char const *label) {
HMI_DEBUG("wm", "called");
json_object *j_in = nullptr;
json_object *j_out = nullptr;
if (0 == strcmp("parking_brake_status", label)) {
// Get parking brake status
json_bool val = this->crr_car_info_.parking_brake_stt;
j_in = json_object_new_boolean(val);
}
else if (0 == strcmp("accelerator.pedal.position", label)) {
// Get accelerator pedal position
double val = this->crr_car_info_.accel_pedal_pos;
j_in = json_object_new_double(val);
}
else if (0 == strcmp("car_state", label)) {
// Get car state
const char* val = this->crr_car_info_.car_stt;
j_in = json_object_new_string(val);
}
else if (0 == strcmp("lightstatus.brake", label)) {
// Get lightstatus brake status
json_bool val = this->crr_car_info_.lightstatus_brake_stt;
j_in = json_object_new_boolean(val);
}
else {
return Err<json_object *>("Car info does not exist");
}
// Create output object
j_out = json_object_new_object();
json_object_object_add(j_out, "value", j_in);
return Ok<json_object *>(j_out);
}
void App::activate(int id) {
auto ip = this->controller->sprops.find(id);
if (ip != this->controller->sprops.end()) {
this->controller->surfaces[id]->set_visibility(1);
char const *label =
this->lookup_name(id).value_or("unknown-name").c_str();
// FOR CES DEMO >>>
if ((0 == strcmp(label, "Radio"))
|| (0 == strcmp(label, "MediaPlayer"))
|| (0 == strcmp(label, "Music"))
|| (0 == strcmp(label, "VideoPlayer"))
|| (0 == strcmp(label, "Video"))
|| (0 == strcmp(label, "Navigation"))) {
for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i) {
if (id == *i) {
// Remove id
this->surface_bg.erase(i);
// Remove from BG layer (999)
HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, id);
this->controller->layers[999]->remove_surface(id);
// Add to FG layer (1001)
HMI_DEBUG("wm", "Add %s(%d) to FG layer", label, id);
this->controller->layers[1001]->add_surface(id);
for (int j : this->surface_bg) {
HMI_DEBUG("wm", "Stored id:%d", j);
}
break;
}
}
}
// <<< FOR CES DEMO
this->layout_commit();
this->emit_visible(label);
this->emit_activated(label);
}
}
void App::deactivate(int id) {
auto ip = this->controller->sprops.find(id);
if (ip != this->controller->sprops.end()) {
char const *label =
this->lookup_name(id).value_or("unknown-name").c_str();
// FOR CES DEMO >>>
if ((0 == strcmp(label, "Radio"))
|| (0 == strcmp(label, "MediaPlayer"))
|| (0 == strcmp(label, "Music"))
|| (0 == strcmp(label, "VideoPlayer"))
|| (0 == strcmp(label, "Video"))
|| (0 == strcmp(label, "Navigation"))) {
// Store id
this->surface_bg.push_back(id);
// Remove from FG layer (1001)
HMI_DEBUG("wm", "Remove %s(%d) from FG layer", label, id);
this->controller->layers[1001]->remove_surface(id);
// Add to BG layer (999)
HMI_DEBUG("wm", "Add %s(%d) to BG layer", label, id);
this->controller->layers[999]->add_surface(id);
for (int j : surface_bg) {
HMI_DEBUG("wm", "Stored id:%d", j);
}
}
else {
this->controller->surfaces[id]->set_visibility(0);
}
// <<< FOR CES DEMO
this->layout_commit();
this->emit_deactivated(label);
this->emit_invisible(label);
}
}
void App::deactivate(std::string role) {
std::string app = this->role2app_[role];
auto const &id = this->lookup_id(app.c_str());
if (!id) {
HMI_ERROR("wm", "Surface does not exist");
return;
}
HMI_DEBUG("wm", "Deactivate role:%s (app:%s)",
role.c_str(), app.c_str());
this->deactivate(*id);
}
void App::deactivate_main_surface() {
this->layers.main_surface = -1;
this->allocateWindowResource("deactivate", this->layers.main_surface_name.c_str(),
nullptr, nullptr,
[](const char*){});
}
/**
* controller_hooks
*/
void controller_hooks::surface_created(uint32_t surface_id) {
this->app->surface_created(surface_id);
}
void controller_hooks::surface_removed(uint32_t surface_id) {
this->app->surface_removed(surface_id);
}
void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
uint32_t /*v*/) {}
void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
uint32_t /*x*/,
uint32_t /*y*/,
uint32_t /*w*/,
uint32_t /*h*/) {}
int App::allocateSurface() {
HMI_DEBUG("wm", "Call");
// Get current/previous layers
LayoutManager::TypeLayers crr_layers = this->lm_.getCurrentLayers();
LayoutManager::TypeLayers prv_layers = this->lm_.getPreviousLayers();
// Update resource of all layers
for (auto itr_layers = crr_layers.begin();
itr_layers != crr_layers.end(); ++itr_layers) {
// Get layer
std::string layer = itr_layers->first;
HMI_DEBUG("wm", "Try to update resource in %s layer", layer.c_str());
// If layout is changed, update resouce
if (this->lm_.isLayoutChanged(layer.c_str())) {
// Get current/previous layout
LayoutManager::TypeLayouts crr_layout = itr_layers->second;
LayoutManager::TypeLayouts prv_layout = prv_layers[layer];
// Get current/previous layout name
std::string crr_layout_name = crr_layout.begin()->first;
std::string prv_layout_name = prv_layout.begin()->first;
HMI_DEBUG("wm", "layout name crr:%s prv:%s",
crr_layout_name.c_str(), prv_layout_name.c_str());
// Get current/previous ares
LayoutManager::TypeAreas crr_areas = crr_layout[crr_layout_name];
LayoutManager::TypeAreas prv_areas = prv_layout[prv_layout_name];
// Create previous displayed role list
std::string prv_area_name;
std::vector<std::string> prv_role_list;
for (auto itr_areas = prv_areas.begin();
itr_areas != prv_areas.end(); ++itr_areas) {
prv_area_name = itr_areas->first;
prv_role_list.push_back(prv_areas[prv_area_name]["role"]);
HMI_DEBUG("wm", "previous displayed role:%s",
prv_areas[prv_area_name]["role"].c_str());
}
// Allocate surface for each area
std::string crr_area_name;
std::string crr_role_name;
LayoutManager::TypeRolCtg crr_rol_ctg;
for (auto itr_areas = crr_areas.begin();
itr_areas != crr_areas.end(); ++itr_areas) {
crr_area_name = itr_areas->first;
crr_rol_ctg = itr_areas->second;
// Get role of current area
if ("category" == crr_rol_ctg.begin()->first) {
// If current area have category
// Get category name
std::string crr_ctg = crr_rol_ctg.begin()->second;
// Serch relevant role from previous displayed role list
for (auto itr_role = prv_role_list.begin();
itr_role != prv_role_list.end(); ++itr_role) {
std::string prv_ctg = this->pm_.roleToCategory((*itr_role).c_str());
if (crr_ctg == prv_ctg) {
// First discovered role is set to current role
crr_role_name = *itr_role;
// Delete used role for other areas
// which have same category
prv_role_list.erase(itr_role);
break;
}
}
}
else {
crr_role_name = itr_areas->second["role"];
}
HMI_DEBUG("wm", "Allocate surface for area:%s role:%s",
crr_area_name.c_str(), crr_role_name.c_str());
// Deactivate non-displayed role
std::string prv_role_name;
if (crr_layout_name == prv_layout_name) {
HMI_DEBUG("wm", "Current layout is same with previous");
// Deactivate previous role in same area
// if it is different with current
prv_role_name = prv_areas[crr_area_name]["role"];
if (crr_role_name != prv_role_name) {
this->deactivate(prv_role_name);
}
}
else {
HMI_DEBUG("wm", "Current layout is different with previous");
if ("none" != prv_layout_name) {
// Deactivate previous role in all area in previous layout
// if it is different with current role
for(auto itr = prv_areas.begin(); itr != prv_areas.end(); ++itr) {
prv_role_name = itr->second["role"].c_str();
if (crr_role_name != prv_role_name) {
this->deactivate(prv_role_name);
}
}
}
}
// Set surface for displayed role
if ("none" != crr_layout_name) {
// If current layout is not "none",
// set surface for current role
this->setSurfaceSize(crr_role_name.c_str(), crr_area_name.c_str());
// TODO:
// This API is workaround.
// Resource manager should manage each resource infomations
// according to architecture document.
this->lm_.updateArea(layer.c_str(), crr_role_name.c_str(), crr_area_name.c_str());
}
}
}
}
return 0;
}
void App::setSurfaceSize(const char* role, const char* area) {
HMI_DEBUG("wm", "role:%s area:%s", role, area);
// Get size of current area
compositor::rect size = this->lm_.getAreaSize(area);
// Set destination to the display rectangle
int surface_id = this->role2surfaceid_[role];
if (!this->controller->surface_exists(surface_id)) {
// Block until all pending request are processed by wayland display server
// because waiting for the surface of new app is created
this->display->roundtrip();
}
auto &s = this->controller->surfaces[surface_id];
s->set_destination_rectangle(size.x, size.y, size.w, size.h);
this->layout_commit();
// Update area information
this->area_info[surface_id].x = size.x;
this->area_info[surface_id].y = size.y;
this->area_info[surface_id].w = size.w;
this->area_info[surface_id].h = size.h;
HMI_DEBUG("wm", "Surface rect { %d, %d, %d, %d }",
size.x, size.y, size.w, size.h);
// Emit syncDraw event
const char* app = this->role2app_[role].c_str();
this->emit_syncdraw(app, area,
size.x, size.y, size.w, size.h);
// Enqueue flushDraw event
this->enqueue_flushdraw(surface_id);
}
void App::setAccelPedalPos(double val) {
this->crr_car_info_.accel_pedal_pos = val;
}
extern const char* kDefaultAppDb;
int App::loadAppDb() {
HMI_DEBUG("wm", "Call");
// Get afm application installed dir
char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
HMI_DEBUG("wm", "afm_app_install_dir:%s", afm_app_install_dir);
std::string file_name;
if (!afm_app_install_dir) {
HMI_ERROR("wm", "AFM_APP_INSTALL_DIR is not defined");
}
else {
file_name = std::string(afm_app_install_dir) + std::string("/etc/app.db");
}
// Load app.db
json_object* json_obj;
int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
if (0 > ret) {
HMI_ERROR("wm", "Could not open app.db, so use default role information");
json_obj = json_tokener_parse(kDefaultAppDb);
}
HMI_DEBUG("wm", "json_obj dump:%s", json_object_get_string(json_obj));
// Perse apps
HMI_DEBUG("wm", "Perse apps");
json_object* json_cfg;
if (!json_object_object_get_ex(json_obj, "apps", &json_cfg)) {
HMI_ERROR("wm", "Parse Error!!");
return -1;
}
int len = json_object_array_length(json_cfg);
HMI_DEBUG("wm", "json_cfg len:%d", len);
HMI_DEBUG("wm", "json_cfg dump:%s", json_object_get_string(json_cfg));
for (int i=0; i<len; i++) {
json_object* json_tmp = json_object_array_get_idx(json_cfg, i);
HMI_DEBUG("wm", "> json_tmp dump:%s", json_object_get_string(json_tmp));
const char* app = jh::getStringFromJson(json_tmp, "name");
if (nullptr == app) {
HMI_ERROR("wm", "Parse Error!!");
return -1;
}
HMI_DEBUG("wm", "> app:%s", app);
const char* role = jh::getStringFromJson(json_tmp, "role");
if (nullptr == role) {
HMI_ERROR("wm", "Parse Error!!");
return -1;
}
HMI_DEBUG("wm", "> role:%s", role);
this->app2role_[app] = std::string(role);
}
// Check
for(auto itr = this->app2role_.begin();
itr != this->app2role_.end(); ++itr) {
HMI_DEBUG("wm", "app:%s role:%s",
itr->first.c_str(), itr->second.c_str());
}
// Release json_object
json_object_put(json_obj);
return 0;
}
const char* kDefaultAppDb = "{ \
\"apps\": [ \
{ \
\"name\": \"HomeScreen\", \
\"role\": \"homescreen\" \
}, \
{ \
\"name\": \"Music\", \
\"role\": \"music\" \
}, \
{ \
\"name\": \"MediaPlayer\", \
\"role\": \"music\" \
}, \
{ \
\"name\": \"Video\", \
\"role\": \"video\" \
}, \
{ \
\"name\": \"VideoPlayer\", \
\"role\": \"video\" \
}, \
{ \
\"name\": \"WebBrowser\", \
\"role\": \"browser\" \
}, \
{ \
\"name\": \"Radio\", \
\"role\": \"radio\" \
}, \
{ \
\"name\": \"Phone\", \
\"role\": \"phone\" \
}, \
{ \
\"name\": \"Navigation\", \
\"role\": \"map\" \
}, \
{ \
\"name\": \"HVAC\", \
\"role\": \"hvac\" \
}, \
{ \
\"name\": \"Settings\", \
\"role\": \"settings\" \
}, \
{ \
\"name\": \"Dashboard\", \
\"role\": \"dashboard\" \
}, \
{ \
\"name\": \"POI\", \
\"role\": \"poi\" \
}, \
{ \
\"name\": \"Mixer\", \
\"role\": \"mixer\" \
} \
] \
}";
} // namespace wm
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