Draft: Implement xdg-activation v1 protocol plugin

metadata/meson.build

@@ -37,3 +37,4 @@ install_data('zoom.xml', install_dir: conf_data.get('PLUGIN_XML_DIR'))
 install_data('scale-title-filter.xml', install_dir: conf_data.get('PLUGIN_XML_DIR'))
 install_data('wsets.xml', install_dir: conf_data.get('PLUGIN_XML_DIR'))
 install_data('wayfire-shell.xml', install_dir: conf_data.get('PLUGIN_XML_DIR'))
+install_data('xdg-activation.xml', install_dir: conf_data.get('PLUGIN_XML_DIR'))

metadata/xdg-activation.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<wayfire>
+	<plugin name="xdg-activation">
+		<_short>XDG Activation Protocol</_short>
+		<_long>An implementation of the xdg-activation-v1 protocol.</_long>
+		<category>Utility</category>
+	</plugin>
+</wayfire>

plugins/protocols/meson.build

@@ -1,5 +1,5 @@
 protocol_plugins = [
-  'foreign-toplevel', 'gtk-shell', 'wayfire-shell',
+  'foreign-toplevel', 'gtk-shell', 'wayfire-shell', 'xdg-activation',
 ]
 
 all_include_dirs = [wayfire_api_inc, wayfire_conf_inc, plugins_common_inc]

plugins/protocols/xdg-activation.cpp

@@ -0,0 +1,64 @@
+#include "wayfire/core.hpp"
+#include "wayfire/signal-definitions.hpp"
+#include "wayfire/view.hpp"
+#include <memory>
+#include <wayfire/plugin.hpp>
+#include <wayfire/view.hpp>
+#include <wayfire/toplevel-view.hpp>
+#include <wayfire/nonstd/wlroots-full.hpp>
+#include <wayfire/window-manager.hpp>
+#include "config.h"
+
+class wayfire_xdg_activation_protocol_impl : public wf::plugin_interface_t
+{
+  public:
+    void init() override
+    {
+        xdg_activation = wlr_xdg_activation_v1_create(wf::get_core().display);
+        xdg_activation_request_activate.notify = xdg_activation_handle_request_activate;
+
+        wl_signal_add(&xdg_activation->events.request_activate, &xdg_activation_request_activate);
+    }
+
+    void fini() override
+    {}
+
+    bool is_unloadable() override
+    {
+        return false;
+    }
+
+  private:
+    static void xdg_activation_handle_request_activate(struct wl_listener *listener, void *data)
+    {
+        auto event = static_cast<const struct wlr_xdg_activation_v1_request_activate_event*>(data);
+
+        wayfire_view view = wf::wl_surface_to_wayfire_view(event->surface->resource);
+        if (!view)
+        {
+            LOGE("Could not get view");
+            return;
+        }
+
+        auto toplevel = wf::toplevel_cast(view);
+        if (!toplevel)
+        {
+            LOGE("Could not get toplevel view");
+            return;
+        }
+
+        if (!event->token->seat)
+        {
+            LOGI("Denying focus request, seat wasn't supplied");
+            return;
+        }
+
+        LOGI("Activating view");
+        wf::get_core().default_wm->focus_request(toplevel);
+    }
+
+    struct wlr_xdg_activation_v1 *xdg_activation;
+    struct wl_listener xdg_activation_request_activate;
+};
+
+DECLARE_WAYFIRE_PLUGIN(wayfire_xdg_activation_protocol_impl);

src/api/wayfire/nonstd/wlroots-full.hpp

@@ -132,4 +132,7 @@ extern "C"
 #include <wlr/types/wlr_relative_pointer_v1.h>
 #include <wlr/types/wlr_text_input_v3.h>
 #include <wlr/types/wlr_primary_selection_v1.h>
+
+// Activation plugin
+#include <wlr/types/wlr_xdg_activation_v1.h>
 }