app: Add the app state events

[apps/onscreenapp.git] / app / eventhandler.cpp

diff --git a/app/eventhandler.cpp b/app/eventhandler.cpp
index dfa0a12..e1ece21 100644 (file)
--- a/app/eventhandler.cpp
+++ b/app/eventhandler.cpp
@@ -17,12 +17,14 @@
 #include <functional>
 #include <QUrl>
 #include <QDebug>
+#include <QGuiApplication>
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QQmlContext>
 #include <QtQml/QQmlApplicationEngine>
 #include <cstring>
 #include <QFileInfo>
+#include <qpa/qplatformnativeinterface.h>
 
 #include "eventhandler.h"
 
@@ -37,6 +39,108 @@ const char _application_id[] = "application_id";
 
 void* EventHandler::myThis = 0;
 
+static struct wl_output *
+getWlOutput(QScreen *screen)
+{
+       QPlatformNativeInterface *native = qApp->platformNativeInterface();
+       void *output = native->nativeResourceForScreen("output", screen);
+       return static_cast<struct ::wl_output*>(output);
+}
+
+static void
+global_add(void *data, struct wl_registry *reg, uint32_t name,
+          const char *interface, uint32_t version)
+{
+       struct agl_shell_desktop **shell =
+               static_cast<struct agl_shell_desktop **>(data);
+
+       if (strcmp(interface, agl_shell_desktop_interface.name) == 0) {
+               *shell = static_cast<struct agl_shell_desktop *>(
+                       wl_registry_bind(reg, name, &agl_shell_desktop_interface, version)
+               );
+       }
+}
+
+static void global_remove(void *data, struct wl_registry *reg, uint32_t id)
+{
+       (void) data;
+       (void) reg;
+       (void) id;
+}
+
+static const struct wl_registry_listener registry_listener = {
+       global_add,
+       global_remove,
+};
+
+static void
+application_id_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
+               const char *app_id)
+{
+       EventHandler *ev_handler = static_cast<EventHandler *>(data);
+       (void) agl_shell_desktop;
+
+       // should probably add here to a list the application or trigger emit
+       // for QML code, also note that we get here our own application
+       if (strcmp(app_id, APP_ID) == 0)
+               return;
+
+       qInfo() << "app_id: " << app_id;
+}
+
+static void
+application_state_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
+                       const char *app_id, const char *app_data,
+                       uint32_t app_state, uint32_t app_role)
+{
+       EventHandler *ev_handler = static_cast<EventHandler *>(data);
+       (void) agl_shell_desktop;
+
+       qInfo() << "got application_state_event() for app_id=" <<
+               app_id << ", state=" << app_state << ", role=" << app_role;
+
+       if (strcmp(app_id, APP_ID))
+               return;
+
+       if (app_state != AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED)
+               return;
+
+       if (app_role != AGL_SHELL_DESKTOP_APP_ROLE_POPUP)
+               return;
+
+       qInfo() << "Got message " << app_data;
+
+       // should signal that we got the message
+       emit ev_handler->updateModel(QVariant(app_data));
+       emit ev_handler->showOnScreen();
+}
+
+static const struct agl_shell_desktop_listener agl_shell_desk_listener = {
+       application_id_event,
+       application_state_event,
+};
+
+static struct agl_shell_desktop *
+register_agl_shell_desktop(void)
+{
+       struct wl_display *wl;
+       struct wl_registry *registry;
+       struct agl_shell_desktop *shell = nullptr;
+
+       QPlatformNativeInterface *native = qApp->platformNativeInterface();
+
+       wl = static_cast<struct wl_display *>(native->nativeResourceForIntegration("display"));
+       registry = wl_display_get_registry(wl);
+
+       wl_registry_add_listener(registry, &registry_listener, &shell);
+       // Roundtrip to get all globals advertised by the compositor
+       wl_display_roundtrip(wl);
+       wl_registry_destroy(registry);
+
+       return shell;
+}
+
+
 EventHandler::EventHandler(QObject *parent) :
     QObject(parent),
     m_dsp_sts(false)
@@ -45,12 +149,18 @@ EventHandler::EventHandler(QObject *parent) :
 
 EventHandler::~EventHandler()
 {
+    if (shell_desktop)
+           agl_shell_desktop_destroy(shell_desktop);
 }
 
 void EventHandler::init(int port, const char *token)
 {
        (void) port;
        (void) token;
+
+       shell_desktop = register_agl_shell_desktop();
+       if (shell_desktop)
+               agl_shell_desktop_add_listener(shell_desktop, &agl_shell_desk_listener, this);
 #if 0
     myThis = this;
     mp_wm = new QLibWindowmanager();