+// SPDX-License-Identifier: Apache-2.0
/*
- * 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.
+ * Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
+ * Copyright (c) 2022 Konsulko Group
*/
-#include "homescreenhandler.h"
+#include <QGuiApplication>
+#include <QScreen>
+#include <QFileInfo>
#include <functional>
+
+#include "homescreenhandler.h"
#include "hmi-debug.h"
-void* HomescreenHandler::myThis = 0;
+QScreen *find_screen(const char *output);
-HomescreenHandler::HomescreenHandler(QObject *parent) :
- QObject(parent),
- mp_hs(NULL)
-{
+// 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()
+
+HomescreenHandler::HomescreenHandler(ApplicationLauncher *launcher, GrpcClient *_client, QObject *parent) :
+ QObject(parent)
+ , m_grpc_client(_client)
{
- if (mp_hs != NULL) {
- delete mp_hs;
- }
+ 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);
}
-void HomescreenHandler::init(int port, const char *token)
+HomescreenHandler::~HomescreenHandler()
{
- mp_hs = new LibHomeScreen();
- mp_hs->init(port, token);
-
- myThis = this;
-
- mp_hs->registerCallback(nullptr, HomescreenHandler::onRep_static);
-
- mp_hs->set_event_handler(LibHomeScreen::Event_OnScreenMessage, [this](json_object *object){
- const char *display_message = json_object_get_string(
- json_object_object_get(object, "display_message"));
- HMI_DEBUG("HomeScreen","set_event_handler Event_OnScreenMessage display_message = %s", display_message);
- });
-
+ delete m_grpc_client;
+ delete mp_applauncher_client;
}
-void HomescreenHandler::tapShortcut(QString application_name)
+void HomescreenHandler::tapShortcut(QString app_id)
{
- HMI_DEBUG("HomeScreen","tapShortcut %s", application_name.toStdString().c_str());
- mp_hs->tapShortcut(application_name.toStdString().c_str());
+ 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;
+ }
}
-void HomescreenHandler::onRep_static(struct json_object* reply_contents)
+/*
+ * 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)
{
- static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onRep(reply_contents);
+ 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::onEv_static(const string& event, struct json_object* event_contents)
+void HomescreenHandler::activateApp(const QString& app_id)
{
- static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onEv(event, event_contents);
+ 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;
+ }
+
+ 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::onRep(struct json_object* reply_contents)
+void HomescreenHandler::deactivateApp(const QString& app_id)
{
- const char* str = json_object_to_json_string(reply_contents);
- HMI_DEBUG("HomeScreen","HomeScreen onReply %s", str);
+ if (apps_stack.contains(app_id)) {
+ apps_stack.removeOne(app_id);
+ if (!apps_stack.isEmpty())
+ activateApp(apps_stack.last());
+ }
}
-void HomescreenHandler::onEv(const string& event, struct json_object* event_contents)
+void HomescreenHandler::processAppStatusEvent(const QString &app_id, const QString &status)
{
- const char* str = json_object_to_json_string(event_contents);
- HMI_DEBUG("HomeScreen","HomeScreen onEv %s, contents: %s", event.c_str(), str);
-
- if (event.compare("homescreen/on_screen_message") == 0) {
- struct json_object *json_data = json_object_object_get(event_contents, "data");
- struct json_object *json_display_message = json_object_object_get(json_data, "display_message");
- const char* display_message = json_object_get_string(json_display_message);
-
- HMI_DEBUG("HomeScreen","display_message = %s", display_message);
- }
+ 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());
+ }
}