[gnome-builder/wip/chergert/libpanel-changes] plugins/sessionui: add (incomplete) sessionui plugin

[Christian Hergert <chergert src gnome org>]

commit eafed4dd3136508fc4a093ef9bb3484ae1bef4d4
Author: Christian Hergert <chergert redhat com>
Date:   Mon Sep 12 22:00:59 2022 -0700

    plugins/sessionui: add (incomplete) sessionui plugin
    
    This is where the session management code will live, which glues the
    libpanel layout state and the workbench/workspace/frames.

 src/plugins/meson.build                            |  1 +
 .../sessionui/gbp-sessionui-workbench-addin.c      | 77 ++++++++++++++++++++++
 .../sessionui/gbp-sessionui-workbench-addin.h      | 31 +++++++++
 src/plugins/sessionui/meson.build                  | 12 ++++
 src/plugins/sessionui/sessionui-plugin.c           | 37 +++++++++++
 src/plugins/sessionui/sessionui.gresource.xml      |  6 ++
 src/plugins/sessionui/sessionui.plugin             |  8 +++
 7 files changed, 172 insertions(+)
---
diff --git a/src/plugins/meson.build b/src/plugins/meson.build
index 0d1af7d4a..34d938d64 100644
--- a/src/plugins/meson.build
+++ b/src/plugins/meson.build
@@ -113,6 +113,7 @@ subdir('rstcheck')
 subdir('rubocop')
 subdir('rust-analyzer')
 subdir('sdkui')
+subdir('sessionui')
 subdir('shellcmd')
 subdir('snippets')
 subdir('spellcheck')
diff --git a/src/plugins/sessionui/gbp-sessionui-workbench-addin.c 
b/src/plugins/sessionui/gbp-sessionui-workbench-addin.c
new file mode 100644
index 000000000..1023feaae
--- /dev/null
+++ b/src/plugins/sessionui/gbp-sessionui-workbench-addin.c
@@ -0,0 +1,77 @@
+/* gbp-sessionui-workbench-addin.c
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#define G_LOG_DOMAIN "gbp-sessionui-workbench-addin"
+
+#include "config.h"
+
+#include <libide-gui.h>
+
+#include "gbp-sessionui-workbench-addin.h"
+
+struct _GbpSessionuiWorkbenchAddin
+{
+  GObject       parent_instance;
+  IdeWorkbench *workbench;
+};
+
+static void
+gbp_sessionui_workbench_addin_load (IdeWorkbenchAddin *addin,
+                                    IdeWorkbench      *workbench)
+{
+  GbpSessionuiWorkbenchAddin *self = (GbpSessionuiWorkbenchAddin *)addin;
+
+  g_assert (GBP_IS_SESSIONUI_WORKBENCH_ADDIN (self));
+  g_assert (IDE_IS_WORKBENCH (workbench));
+
+  self->workbench = workbench;
+}
+
+static void
+gbp_sessionui_workbench_addin_unload (IdeWorkbenchAddin *addin,
+                                      IdeWorkbench      *workbench)
+{
+  GbpSessionuiWorkbenchAddin *self = (GbpSessionuiWorkbenchAddin *)addin;
+
+  g_assert (GBP_IS_SESSIONUI_WORKBENCH_ADDIN (self));
+  g_assert (IDE_IS_WORKBENCH (workbench));
+
+  self->workbench = NULL;
+}
+
+static void
+workbench_addin_iface_init (IdeWorkbenchAddinInterface *iface)
+{
+  iface->load = gbp_sessionui_workbench_addin_load;
+  iface->unload = gbp_sessionui_workbench_addin_unload;
+}
+
+G_DEFINE_FINAL_TYPE_WITH_CODE (GbpSessionuiWorkbenchAddin, gbp_sessionui_workbench_addin, G_TYPE_OBJECT,
+                               G_IMPLEMENT_INTERFACE (IDE_TYPE_WORKBENCH_ADDIN, workbench_addin_iface_init))
+
+static void
+gbp_sessionui_workbench_addin_class_init (GbpSessionuiWorkbenchAddinClass *klass)
+{
+}
+
+static void
+gbp_sessionui_workbench_addin_init (GbpSessionuiWorkbenchAddin *self)
+{
+}
diff --git a/src/plugins/sessionui/gbp-sessionui-workbench-addin.h 
b/src/plugins/sessionui/gbp-sessionui-workbench-addin.h
new file mode 100644
index 000000000..4ffb700c7
--- /dev/null
+++ b/src/plugins/sessionui/gbp-sessionui-workbench-addin.h
@@ -0,0 +1,31 @@
+/* gbp-sessionui-workbench-addin.h
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GBP_TYPE_SESSIONUI_WORKBENCH_ADDIN (gbp_sessionui_workbench_addin_get_type())
+
+G_DECLARE_FINAL_TYPE (GbpSessionuiWorkbenchAddin, gbp_sessionui_workbench_addin, GBP, 
SESSIONUI_WORKBENCH_ADDIN, GObject)
+
+G_END_DECLS
diff --git a/src/plugins/sessionui/meson.build b/src/plugins/sessionui/meson.build
new file mode 100644
index 000000000..3a1eefeef
--- /dev/null
+++ b/src/plugins/sessionui/meson.build
@@ -0,0 +1,12 @@
+plugins_sources += files([
+  'sessionui-plugin.c',
+  'gbp-sessionui-workbench-addin.c',
+])
+
+plugin_sessionui_resources = gnome.compile_resources(
+  'sessionui-resources',
+  'sessionui.gresource.xml',
+  c_name: 'gbp_sessionui',
+)
+
+plugins_sources += plugin_sessionui_resources
diff --git a/src/plugins/sessionui/sessionui-plugin.c b/src/plugins/sessionui/sessionui-plugin.c
new file mode 100644
index 000000000..2c6c20998
--- /dev/null
+++ b/src/plugins/sessionui/sessionui-plugin.c
@@ -0,0 +1,37 @@
+/* sessionui-plugin.c
+ *
+ * Copyright 2022 Christian Hergert <chergert redhat com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#define G_LOG_DOMAIN "sessionui-plugin"
+
+#include "config.h"
+
+#include <libpeas/peas.h>
+
+#include <libide-gui.h>
+
+#include "gbp-sessionui-workbench-addin.h"
+
+_IDE_EXTERN void
+_gbp_sessionui_register_types (PeasObjectModule *module)
+{
+  peas_object_module_register_extension_type (module,
+                                              IDE_TYPE_WORKBENCH_ADDIN,
+                                              GBP_TYPE_SESSIONUI_WORKBENCH_ADDIN);
+}
diff --git a/src/plugins/sessionui/sessionui.gresource.xml b/src/plugins/sessionui/sessionui.gresource.xml
new file mode 100644
index 000000000..df733ab08
--- /dev/null
+++ b/src/plugins/sessionui/sessionui.gresource.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/plugins/sessionui">
+    <file>sessionui.plugin</file>
+  </gresource>
+</gresources>
diff --git a/src/plugins/sessionui/sessionui.plugin b/src/plugins/sessionui/sessionui.plugin
new file mode 100644
index 000000000..17f1f3108
--- /dev/null
+++ b/src/plugins/sessionui/sessionui.plugin
@@ -0,0 +1,8 @@
+[Plugin]
+Authors=Christian Hergert <christian hergert me>
+Builtin=true
+Copyright=Copyright © 2022 Christian Hergert
+Embedded=_gbp_sessionui_register_types
+Hidden=true
+Module=sessionui
+Name=Session Integration