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// SPDX-License-Identifier: Apache-2.0
/*
* Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
* Copyright (c) 2022 Konsulko Group
*/
#include <QGuiApplication>
#include <QScreen>
#include <QFileInfo>
#include <functional>
#include "homescreenhandler.h"
#include "hmi-debug.h"
QScreen *find_screen(const char *output);
// defined by meson build file
#include QT_QPA_HEADER
// LAUNCHER_APP_ID shouldn't be started by applaunchd as it is started as
// a user session by systemd
#define LAUNCHER_APP_ID "launcher"
HomescreenHandler::HomescreenHandler(ApplicationLauncher *launcher, GrpcClient *_client, QObject *parent) :
QObject(parent)
, m_grpc_client(_client)
{
mp_launcher = launcher;
mp_applauncher_client = new AppLauncherClient();
//
// The "started" event is received any time a start request is made to applaunchd,
// and the application either starts successfully or is already running. This
// effectively acts as a "switch to app X" action.
//
connect(mp_applauncher_client,
&AppLauncherClient::appStatusEvent,
this,
&HomescreenHandler::processAppStatusEvent);
}
HomescreenHandler::~HomescreenHandler()
{
delete m_grpc_client;
delete mp_applauncher_client;
}
void HomescreenHandler::tapShortcut(QString app_id)
{
HMI_DEBUG("HomeScreen","tapShortcut %s", app_id.toStdString().c_str());
if (app_id == LAUNCHER_APP_ID) {
activateApp(app_id);
return;
}
if (!mp_applauncher_client->startApplication(app_id)) {
HMI_ERROR("HomeScreen","Unable to start application '%s'",
app_id.toStdString().c_str());
return;
}
}
/*
* Keep track of currently running apps and the order in which
* they were activated. That way, when an app is closed, we can
* switch back to the previously active one.
*/
void HomescreenHandler::addAppToStack(const QString& app_id)
{
if (app_id == "homescreen")
return;
if (!apps_stack.contains(app_id)) {
apps_stack << app_id;
} else {
int current_pos = apps_stack.indexOf(app_id);
int last_pos = apps_stack.size() - 1;
if (current_pos != last_pos)
apps_stack.move(current_pos, last_pos);
}
}
void HomescreenHandler::activateApp(const QString& app_id)
{
QScreen *default_screen = qApp->screens().first();
std::string default_output_name;
if (!default_screen) {
HMI_DEBUG("HomeScreen", "No default output found to activate on!\n");
} else {
default_output_name = default_screen->name().toStdString();
HMI_DEBUG("HomeScreen", "Activating app_id %s by default on output %s\n",
app_id.toStdString().c_str(), default_output_name.c_str());
}
if (mp_launcher) {
mp_launcher->setCurrent(app_id);
}
// search for a pending application which might have a different output
auto iter = pending_app_list.begin();
bool found_pending_app = false;
while (iter != pending_app_list.end()) {
const QString &app_to_search = iter->first;
if (app_to_search == app_id) {
found_pending_app = true;
HMI_DEBUG("HomeScreen", "Found app_id %s in pending list of applications",
app_id.toStdString().c_str());
break;
}
iter++;
}
if (found_pending_app) {
const QString &output_name = iter->second;
QScreen *screen =
::find_screen(output_name.toStdString().c_str());
if (!screen) {
HMI_DEBUG("HomeScreen", "Can't activate application %s on another "
"output, because output %s could not be found. "
"Trying with remoting ones.",
app_id.toStdString().c_str(),
output_name.toStdString().c_str());
// try with remoting-remote-X which is the streaming
// one
std::string new_remote_output =
"remoting-" + output_name.toStdString();
screen = ::find_screen(new_remote_output.c_str());
if (!screen) {
HMI_DEBUG("HomeScreen", "Can't activate application %s on another "
"output, because output remoting-%s could not be found",
app_id.toStdString().c_str(),
output_name.toStdString().c_str());
return;
}
HMI_DEBUG("HomeScreen", "Found a stream remoting output %s to activate application %s on",
new_remote_output.c_str(),
app_id.toStdString().c_str());
default_output_name = new_remote_output;
} else {
default_output_name = output_name.toStdString();
}
pending_app_list.erase(iter);
HMI_DEBUG("HomeScreen", "For application %s found another "
"output to activate %s\n",
app_id.toStdString().c_str(),
default_output_name.c_str());
}
if (default_output_name.empty()) {
HMI_DEBUG("HomeScreen", "No suitable output found for activating %s",
app_id.toStdString().c_str());
return;
}
HMI_DEBUG("HomeScreen", "Activating application %s on output %s",
app_id.toStdString().c_str(), default_output_name.c_str());
m_grpc_client->ActivateApp(app_id.toStdString(), default_output_name);
}
void HomescreenHandler::deactivateApp(const QString& app_id)
{
if (apps_stack.contains(app_id)) {
apps_stack.removeOne(app_id);
if (!apps_stack.isEmpty())
activateApp(apps_stack.last());
}
}
void HomescreenHandler::processAppStatusEvent(const QString &app_id, const QString &status)
{
HMI_DEBUG("HomeScreen", "Processing application %s, status %s",
app_id.toStdString().c_str(), status.toStdString().c_str());
if (status == "started") {
activateApp(app_id);
} else if (status == "terminated") {
HMI_DEBUG("HomeScreen", "Application %s terminated, activating last app", app_id.toStdString().c_str());
deactivateApp(app_id);
} else if (status == "deactivated") {
HMI_DEBUG("HomeScreen", "Application %s deactivated, activating last app", app_id.toStdString().c_str());
}
}
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