add notifications

include/services/notification.hpp

@@ -0,0 +1,75 @@
+#pragma once
+
+#include <fcntl.h>
+#include <giomm.h>
+#include <gtkmm.h>
+#include <memory>
+#include <sigc++/sigc++.h>
+#include <vector>
+
+
+#include "gdkmm/monitor.h"
+#include "giomm/dbusconnection.h"
+#include "giomm/dbusownname.h"
+#include "glib.h"
+
+const Glib::ustring introspection_xml = R"(
+<node>
+  <interface name="org.freedesktop.Notifications">
+    <method name="GetCapabilities">
+      <arg name="capabilities" type="as" direction="out"/>
+    </method>
+    <method name="Notify">
+      <arg name="app_name" type="s" direction="in"/>
+      <arg name="replaces_id" type="u" direction="in"/>
+      <arg name="app_icon" type="s" direction="in"/>
+      <arg name="summary" type="s" direction="in"/>
+      <arg name="body" type="s" direction="in"/>
+      <arg name="actions" type="as" direction="in"/>
+      <arg name="hints" type="a{sv}" direction="in"/>
+      <arg name="expire_timeout" type="i" direction="in"/>
+      <arg name="id" type="u" direction="out"/>
+    </method>
+    <method name="CloseNotification">
+      <arg name="id" type="u" direction="in"/>
+    </method>
+    <method name="GetServerInformation">
+      <arg name="name" type="s" direction="out"/>
+      <arg name="vendor" type="s" direction="out"/>
+      <arg name="version" type="s" direction="out"/>
+      <arg name="spec_version" type="s" direction="out"/>
+    </method>
+  </interface>
+</node>
+)";
+
+class NotificationService {
+
+  public:
+    NotificationService() : notificationIdCounter(1) {
+
+        Gio::DBus::own_name(
+            Gio::DBus::BusType::SESSION,
+            "org.freedesktop.Notifications",
+            sigc::mem_fun(*this, &NotificationService::onBusAcquired),
+            {}, // Name acquired slot (optional)
+            {}, // Name lost slot (optional)
+            Gio::DBus::BusNameOwnerFlags::REPLACE);
+    }
+    void onBusAcquired(const Glib::RefPtr<Gio::DBus::Connection> &connection, const Glib::ustring &name);
+
+  private:
+    guint notificationIdCounter;
+    const Gio::DBus::InterfaceVTable &getMessageInterfaceVTable();
+    void on_method_call(const Glib::RefPtr<Gio::DBus::Connection> &connection,
+                        const Glib::ustring &sender,
+                        const Glib::ustring &object_path,
+                        const Glib::ustring &interface_name,
+                        const Glib::ustring &method_name,
+                        const Glib::VariantContainerBase &parameters,
+                        const Glib::RefPtr<Gio::DBus::MethodInvocation> &invocation);
+
+    void handle_notify(const Glib::VariantContainerBase &parameters,
+                       const Glib::RefPtr<Gio::DBus::MethodInvocation> &invocation);
+    void createNotificationPopup(const Glib::ustring &title, const Glib::ustring &message);
+};