1 // SPDX-License-Identifier: Apache-2.0
3 * Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
4 * Copyright (c) 2022 Konsulko Group
7 #include <QGuiApplication>
11 #include "homescreenhandler.h"
12 #include "hmi-debug.h"
14 QScreen *find_screen(const char *output);
16 // defined by meson build file
17 #include QT_QPA_HEADER
19 // LAUNCHER_APP_ID shouldn't be started by applaunchd as it is started as
20 // a user session by systemd
21 #define LAUNCHER_APP_ID "launcher"
23 static struct wl_output *
24 getWlOutput(QPlatformNativeInterface *native, QScreen *screen);
26 HomescreenHandler::HomescreenHandler(Shell *_aglShell, ApplicationLauncher *launcher, QObject *parent) :
30 mp_launcher = launcher;
31 mp_applauncher_client = new AppLauncherClient();
34 // The "started" event is received any time a start request is made to applaunchd,
35 // and the application either starts successfully or is already running. This
36 // effectively acts as a "switch to app X" action.
38 connect(mp_applauncher_client,
39 &AppLauncherClient::appStatusEvent,
41 &HomescreenHandler::processAppStatusEvent);
44 HomescreenHandler::~HomescreenHandler()
46 delete mp_applauncher_client;
49 static struct wl_output *
50 getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
52 void *output = native->nativeResourceForScreen("output", screen);
53 return static_cast<struct ::wl_output*>(output);
56 void HomescreenHandler::tapShortcut(QString app_id)
58 HMI_DEBUG("HomeScreen","tapShortcut %s", app_id.toStdString().c_str());
60 if (app_id == LAUNCHER_APP_ID) {
65 if (!mp_applauncher_client->startApplication(app_id)) {
66 HMI_ERROR("HomeScreen","Unable to start application '%s'",
67 app_id.toStdString().c_str());
73 * Keep track of currently running apps and the order in which
74 * they were activated. That way, when an app is closed, we can
75 * switch back to the previously active one.
77 void HomescreenHandler::addAppToStack(const QString& app_id)
79 if (app_id == "homescreen")
82 if (!apps_stack.contains(app_id)) {
85 int current_pos = apps_stack.indexOf(app_id);
86 int last_pos = apps_stack.size() - 1;
88 if (current_pos != last_pos)
89 apps_stack.move(current_pos, last_pos);
93 void HomescreenHandler::activateApp(const QString& app_id)
95 struct agl_shell *agl_shell = aglShell->shell.get();
96 QScreen *tmp_screen = qApp->screens().first();
97 QPlatformNativeInterface *native = qApp->platformNativeInterface();
98 struct wl_output *mm_output = nullptr;
101 HMI_DEBUG("HomeScreen", "No output found to activate on!\n");
103 mm_output = getWlOutput(native, tmp_screen);
105 HMI_DEBUG("HomeScreen", "Activating app_id %s by default on output %p\n",
106 app_id.toStdString().c_str(), mm_output);
110 mp_launcher->setCurrent(app_id);
113 // search for a pending application which might have a different output
114 auto iter = pending_app_list.begin();
115 bool found_pending_app = false;
116 while (iter != pending_app_list.end()) {
117 const QString &app_to_search = iter->first;
119 if (app_to_search == app_id) {
120 found_pending_app = true;
121 HMI_DEBUG("HomeScreen", "Found app_id %s in pending list of applications",
122 app_id.toStdString().c_str());
129 if (found_pending_app) {
130 const QString &output_name = iter->second;
132 ::find_screen(output_name.toStdString().c_str());
135 HMI_DEBUG("HomeScreen", "Can't activate application %s on another "
136 "output, because output %s could not be found. "
137 "Trying with remoting ones.",
138 app_id.toStdString().c_str(),
139 output_name.toStdString().c_str());
141 // try with remoting-remote-X which is the streaming
143 std::string new_remote_output =
144 "remoting-" + output_name.toStdString();
146 screen = ::find_screen(new_remote_output.c_str());
148 HMI_DEBUG("HomeScreen", "Can't activate application %s on another "
149 "output, because output remoting-%s could not be found",
150 app_id.toStdString().c_str(),
151 output_name.toStdString().c_str());
155 HMI_DEBUG("HomeScreen", "Found a stream remoting output %s to activate application %s on",
156 new_remote_output.c_str(),
157 app_id.toStdString().c_str());
160 mm_output = getWlOutput(native, screen);
161 pending_app_list.erase(iter);
163 HMI_DEBUG("HomeScreen", "For application %s found another "
164 "output to activate %s\n",
165 app_id.toStdString().c_str(),
166 output_name.toStdString().c_str());
170 HMI_DEBUG("HomeScreen", "No suitable output found for activating %s",
171 app_id.toStdString().c_str());
175 HMI_DEBUG("HomeScreen", "Activating application %s",
176 app_id.toStdString().c_str());
178 agl_shell_activate_app(agl_shell, app_id.toStdString().c_str(), mm_output);
181 void HomescreenHandler::deactivateApp(const QString& app_id)
183 if (apps_stack.contains(app_id)) {
184 apps_stack.removeOne(app_id);
185 if (!apps_stack.isEmpty())
186 activateApp(apps_stack.last());
190 void HomescreenHandler::processAppStatusEvent(const QString &app_id, const QString &status)
192 HMI_DEBUG("HomeScreen", "Processing application %s, status %s",
193 app_id.toStdString().c_str(), status.toStdString().c_str());
195 if (status == "started") {
197 } else if (status == "terminated") {
198 HMI_DEBUG("HomeScreen", "Application %s terminated, activating last app", app_id.toStdString().c_str());
199 deactivateApp(app_id);
200 } else if (status == "deactivated") {
201 HMI_DEBUG("HomeScreen", "Application %s deactivated, activating last app", app_id.toStdString().c_str());