#include <qpa/qplatformnativeinterface.h>
+#define APPLAUNCH_DBUS_IFACE "org.automotivelinux.AppLaunch"
+#define APPLAUNCH_DBUS_OBJECT "/org/automotivelinux/AppLaunch"
+/* LAUNCHER_APP_ID shouldn't be started by applaunchd as it is started as a
+ * user session by systemd */
+#define LAUNCHER_APP_ID "launcher"
+
void* HomescreenHandler::myThis = 0;
HomescreenHandler::HomescreenHandler(Shell *_aglShell, ApplicationLauncher *launcher, QObject *parent) :
aglShell(_aglShell)
{
mp_launcher = launcher;
+ applaunch_iface = new org::automotivelinux::AppLaunch(APPLAUNCH_DBUS_IFACE, APPLAUNCH_DBUS_OBJECT,
+ QDBusConnection::sessionBus(), this);
}
HomescreenHandler::~HomescreenHandler()
{
-#if 0
- if (mp_hs != NULL) {
- delete mp_hs;
- }
-#endif
}
void HomescreenHandler::init(void)
{
-#if 0
- mp_hs = new LibHomeScreen();
- mp_hs->init(port, token);
-#endif
myThis = this;
-#if 0
- 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);
- });
-
- // should be handled in the top panel
- mp_hs->set_event_handler(LibHomeScreen::Event_ShowNotification,[this](json_object *object){
- json_object *p_obj = json_object_object_get(object, "parameter");
- const char *icon = json_object_get_string(
- json_object_object_get(p_obj, "icon"));
- const char *text = json_object_get_string(
- json_object_object_get(p_obj, "text"));
- const char *app_id = json_object_get_string(
- json_object_object_get(p_obj, "caller"));
- HMI_DEBUG("HomeScreen","Event_ShowNotification icon=%s, text=%s, caller=%s", icon, text, app_id);
- QFileInfo icon_file(icon);
- QString icon_path;
- if (icon_file.isFile() && icon_file.exists()) {
- icon_path = QString(QLatin1String(icon));
- } else {
- icon_path = "./images/Utility_Logo_Grey-01.svg";
- }
-
- emit showNotification(QString(QLatin1String(app_id)), icon_path, QString(QLatin1String(text)));
- });
-
- // should be handled in the bottom panel
- mp_hs->set_event_handler(LibHomeScreen::Event_ShowInformation,[this](json_object *object){
- json_object *p_obj = json_object_object_get(object, "parameter");
- const char *info = json_object_get_string(
- json_object_object_get(p_obj, "info"));
-
- emit showInformation(QString(QLatin1String(info)));
- });
-#endif
+ /*
+ * The "started" signal 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(applaunch_iface, SIGNAL(started(QString)), this, SLOT(appStarted(QString)));
+ connect(applaunch_iface, SIGNAL(terminated(QString)), this, SLOT(appTerminated(QString)));
+
}
static struct wl_output *
void HomescreenHandler::tapShortcut(QString application_id)
{
- HMI_DEBUG("HomeScreen","tapShortcut %s", application_id.toStdString().c_str());
-#if 0
- struct json_object* j_json = json_object_new_object();
- struct json_object* value;
-
- struct agl_shell *agl_shell = aglShell->shell.get();
- QPlatformNativeInterface *native = qApp->platformNativeInterface();
- struct wl_output *output = getWlOutput(native, qApp->screens().first());
-
- value = json_object_new_string("normal.full");
- json_object_object_add(j_json, "area", value);
-
- mp_hs->showWindow(application_id.toStdString().c_str(), j_json);
-
- // this works (and it is redundant the first time), due to the default
- // policy engine installed which actives the application, when starting
- // the first time. Later calls to HomescreenHandler::tapShortcut will
- // require calling 'agl_shell_activate_app'
- agl_shell_activate_app(agl_shell, application_id.toStdString().c_str(), output);
-
- if (mp_launcher) {
- mp_launcher->setCurrent(application_id);
- }
-#endif
-}
+ QDBusPendingReply<> reply;
+ HMI_DEBUG("HomeScreen","tapShortcut %s", application_id.toStdString().c_str());
-#if 0
-void HomescreenHandler::onRep_static(struct json_object* reply_contents)
-{
- static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onRep(reply_contents);
-}
+ if (application_id == LAUNCHER_APP_ID)
+ goto activate_app;
-void HomescreenHandler::onEv_static(const string& event, struct json_object* event_contents)
-{
- static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onEv(event, event_contents);
+ reply = applaunch_iface->start(application_id);
+ reply.waitForFinished();
+
+ if (reply.isError()) {
+ HMI_ERROR("HomeScreen","Unable to start application '%s': %s",
+ application_id.toStdString().c_str(),
+ reply.error().message().toStdString().c_str());
+ return;
+ }
+
+activate_app:
+ if (mp_launcher) {
+ mp_launcher->setCurrent(application_id);
+ }
+ appStarted(application_id);
}
-void HomescreenHandler::onRep(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& application_id)
{
- const char* str = json_object_to_json_string(reply_contents);
- HMI_DEBUG("HomeScreen","HomeScreen onReply %s", str);
+ if (application_id == "homescreen")
+ return;
+
+ if (!apps_stack.contains(application_id)) {
+ apps_stack << application_id;
+ } else {
+ int current_pos = apps_stack.indexOf(application_id);
+ int last_pos = apps_stack.size() - 1;
+
+ if (current_pos != last_pos)
+ apps_stack.move(current_pos, last_pos);
+ }
}
-void HomescreenHandler::onEv(const string& event, struct json_object* event_contents)
+void HomescreenHandler::appStarted(const QString& application_id)
{
- const char* str = json_object_to_json_string(event_contents);
- HMI_DEBUG("HomeScreen","HomeScreen onEv %s, contents: %s", event.c_str(), str);
+ struct agl_shell *agl_shell = aglShell->shell.get();
+ QPlatformNativeInterface *native = qApp->platformNativeInterface();
+ struct wl_output *output = getWlOutput(native, qApp->screens().first());
- 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", "Activating application %s", application_id.toStdString().c_str());
+ agl_shell_activate_app(agl_shell, application_id.toStdString().c_str(), output);
+ addAppToStack(application_id);
+}
- HMI_DEBUG("HomeScreen","display_message = %s", display_message);
+void HomescreenHandler::appTerminated(const QString& application_id)
+{
+ HMI_DEBUG("HomeScreen", "Application %s terminated, activating last app", application_id.toStdString().c_str());
+ if (apps_stack.contains(application_id)) {
+ apps_stack.removeOne(application_id);
+ appStarted(apps_stack.last());
}
}
-#endif