[gnome-flashback] add FlashbackDisplayConfig

[Alberts Muktupāvels <muktupavels src gnome org>]

commit fe76809ce6789abd9a12f893ed1fc5f60520290f
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Aug 24 01:33:34 2014 +0300

    add FlashbackDisplayConfig

 data/org.gnome.gnome-flashback.gschema.xml.in.in |    5 +
 gnome-flashback/Makefile.am                      |    2 +
 gnome-flashback/flashback-application.c          |   20 +++++
 gnome-flashback/flashback-display-config.c       |   96 ++++++++++++++++++++++
 gnome-flashback/flashback-display-config.h       |   46 ++++++++++
 gnome-flashback/flashback-gsettings.h            |    1 +
 6 files changed, 170 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.gnome-flashback.gschema.xml.in.in 
b/data/org.gnome.gnome-flashback.gschema.xml.in.in
index d08d340..a28adbf 100644
--- a/data/org.gnome.gnome-flashback.gschema.xml.in.in
+++ b/data/org.gnome.gnome-flashback.gschema.xml.in.in
@@ -5,6 +5,11 @@
                        <_summary>Desktop background</_summary>
                        <_description>If set to true, then GNOME Flashback application will be used to draw 
desktop background.</_description>
                </key>
+               <key name="display-config" type="b">
+                       <default>true</default>
+                       <_summary>Display config</_summary>
+                       <_description>If set to true, then GNOME Flashback application will be used to 
provide display configuration.</_description>
+               </key>
                <key name="end-session-dialog" type="b">
                        <default>true</default>
                        <_summary>End session dialog</_summary>
diff --git a/gnome-flashback/Makefile.am b/gnome-flashback/Makefile.am
index d271d7f..93080fa 100644
--- a/gnome-flashback/Makefile.am
+++ b/gnome-flashback/Makefile.am
@@ -18,6 +18,8 @@ gnome_flashback_SOURCES = \
        flashback-application.h \
        flashback-desktop-background.c \
        flashback-desktop-background.h \
+       flashback-display-config.c \
+       flashback-display-config.h \
        flashback-end-session-dialog.c \
        flashback-end-session-dialog.h \
        flashback-gsettings.h \
diff --git a/gnome-flashback/flashback-application.c b/gnome-flashback/flashback-application.c
index a1b66fc..556aa67 100644
--- a/gnome-flashback/flashback-application.c
+++ b/gnome-flashback/flashback-application.c
@@ -20,6 +20,7 @@
 #include "config.h"
 #include "flashback-application.h"
 #include "flashback-desktop-background.h"
+#include "flashback-display-config.h"
 #include "flashback-end-session-dialog.h"
 #include "flashback-gsettings.h"
 
@@ -27,6 +28,7 @@ struct _FlashbackApplicationPrivate {
        GSettings                  *settings;
 
        FlashbackDesktopBackground *background;
+       FlashbackDisplayConfig     *config;
        FlashbackEndSessionDialog  *dialog;
 };
 
@@ -51,6 +53,19 @@ flashback_application_settings_changed (GSettings   *settings,
                        }
                }
        }
+       
+       if (key == NULL || g_strcmp0 (key, KEY_DISPLAY_CONFIG) == 0) {
+               if (g_settings_get_boolean (settings, KEY_DISPLAY_CONFIG)) {
+                       if (app->priv->config == NULL) {
+                               app->priv->config = flashback_display_config_new ();
+                       }
+               } else {
+                       if (app->priv->config) {
+                               g_object_unref (app->priv->config);
+                               app->priv->config = NULL;
+                       }
+               }
+       }
 
        if (key == NULL || g_strcmp0 (key, KEY_END_SESSION_DIALOG) == 0) {
                if (g_settings_get_boolean (settings, KEY_END_SESSION_DIALOG)) {
@@ -100,6 +115,11 @@ flashback_application_shutdown (GApplication *application)
                g_object_unref (app->priv->background);
                app->priv->background = NULL;
        }
+       
+       if (app->priv->config) {
+               g_object_unref (app->priv->config);
+               app->priv->config = NULL;
+       }
 
        if (app->priv->dialog) {
                g_object_unref (app->priv->dialog);
diff --git a/gnome-flashback/flashback-display-config.c b/gnome-flashback/flashback-display-config.c
new file mode 100644
index 0000000..a8a3778
--- /dev/null
+++ b/gnome-flashback/flashback-display-config.c
@@ -0,0 +1,96 @@
+/* 
+ * Copyright (C) 2014 Alberts Muktupāvels
+ *
+ * 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/>.
+ */
+
+#include <gtk/gtk.h>
+#include "config.h"
+#include "dbus-display-config.h"
+#include "flashback-display-config.h"
+
+struct _FlashbackDisplayConfigPrivate {
+       gint bus_name;
+};
+
+G_DEFINE_TYPE (FlashbackDisplayConfig, flashback_display_config, G_TYPE_OBJECT);
+
+static void
+on_bus_acquired (GDBusConnection *connection,
+                 const gchar     *name,
+                 gpointer         user_data)
+{
+}
+
+static void
+on_name_acquired (GDBusConnection *connection,
+                  const char      *name,
+                  gpointer         user_data)
+{
+}
+
+static void
+on_name_lost (GDBusConnection *connection,
+              const char      *name,
+              gpointer         user_data)
+{
+}
+
+static void
+flashback_display_config_finalize (GObject *object)
+{
+       FlashbackDisplayConfig *config = FLASHBACK_DISPLAY_CONFIG (object);
+
+       if (config->priv->bus_name) {
+               g_bus_unown_name (config->priv->bus_name);
+               config->priv->bus_name = 0;
+       }
+
+       G_OBJECT_CLASS (flashback_display_config_parent_class)->finalize (object);
+}
+
+static void
+flashback_display_config_init (FlashbackDisplayConfig *config)
+{
+       config->priv = G_TYPE_INSTANCE_GET_PRIVATE (config,
+                                                   FLASHBACK_TYPE_DISPLAY_CONFIG,
+                                                   FlashbackDisplayConfigPrivate);
+
+       config->priv->bus_name = g_bus_own_name (G_BUS_TYPE_SESSION,
+                                                "org.gnome.Mutter.DisplayConfig",
+                                                G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+                                                G_BUS_NAME_OWNER_FLAGS_REPLACE,
+                                                on_bus_acquired,
+                                                on_name_acquired,
+                                                on_name_lost,
+                                                config,
+                                                NULL);
+}
+
+static void
+flashback_display_config_class_init (FlashbackDisplayConfigClass *class)
+{
+       GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+       object_class->finalize = flashback_display_config_finalize;
+
+       g_type_class_add_private (class, sizeof (FlashbackDisplayConfigPrivate));
+}
+
+FlashbackDisplayConfig *
+flashback_display_config_new (void)
+{
+       return g_object_new (FLASHBACK_TYPE_DISPLAY_CONFIG,
+                            NULL);
+}
diff --git a/gnome-flashback/flashback-display-config.h b/gnome-flashback/flashback-display-config.h
new file mode 100644
index 0000000..d9bb37f
--- /dev/null
+++ b/gnome-flashback/flashback-display-config.h
@@ -0,0 +1,46 @@
+/* 
+ * Copyright (C) 2014 Alberts Muktupāvels
+ *
+ * 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/>.
+ */
+
+#ifndef FLASHBACK_DISPLAY_CONFIG_H
+#define FLASHBACK_DISPLAY_CONFIG_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define FLASHBACK_TYPE_DISPLAY_CONFIG (flashback_display_config_get_type ())
+#define FLASHBACK_DISPLAY_CONFIG(o)   (G_TYPE_CHECK_INSTANCE_CAST ((o), FLASHBACK_TYPE_DISPLAY_CONFIG, 
FlashbackDisplayConfig))
+
+typedef struct _FlashbackDisplayConfig        FlashbackDisplayConfig;
+typedef struct _FlashbackDisplayConfigClass   FlashbackDisplayConfigClass;
+typedef struct _FlashbackDisplayConfigPrivate FlashbackDisplayConfigPrivate;
+
+struct _FlashbackDisplayConfig {
+       GObject                        parent;
+       FlashbackDisplayConfigPrivate *priv;
+};
+
+struct _FlashbackDisplayConfigClass {
+    GObjectClass parent_class;
+};
+
+GType                   flashback_display_config_get_type (void);
+FlashbackDisplayConfig *flashback_display_config_new      (void);
+
+G_END_DECLS
+
+#endif
diff --git a/gnome-flashback/flashback-gsettings.h b/gnome-flashback/flashback-gsettings.h
index 73e53fb..97121da 100644
--- a/gnome-flashback/flashback-gsettings.h
+++ b/gnome-flashback/flashback-gsettings.h
@@ -20,6 +20,7 @@
 
 #define FLASHBACK_SCHEMA       "org.gnome.gnome-flashback"
 #define KEY_DESKTOP_BACKGROUND "desktop-background"
+#define KEY_DISPLAY_CONFIG     "display-config"
 #define KEY_END_SESSION_DIALOG "end-session-dialog"
 
 /*#define FLASHBACK_BACKGROUND_SCHEMA "org.gnome.gnome-flashback.background"