1 files changed, 314 insertions, 0 deletions
diff --git a/panels/background/cc-background-panel.c b/panels/background/cc-background-panel.c
new file mode 100644
index 0000000..29dedf1
--- /dev/null
+++ b/panels/background/cc-background-panel.c
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2010 Intel, Inc
+ *
+ * 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 2 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/>.
+ *
+ * Author: Thomas Wood <thomas.wood@intel.com>
+ *
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <glib/gstdio.h>
+
+#include <gdesktop-enums.h>
+
+#include "cc-background-panel.h"
+
+#include "cc-background-chooser.h"
+#include "cc-background-item.h"
+#include "cc-background-preview.h"
+#include "cc-background-resources.h"
+#include "cc-background-xml.h"
+
+#include "bg-pictures-source.h"
+
+#define WP_PATH_ID "org.gnome.desktop.background"
+#define WP_LOCK_PATH_ID "org.gnome.desktop.screensaver"
+#define WP_URI_KEY "picture-uri"
+#define WP_OPTIONS_KEY "picture-options"
+#define WP_SHADING_KEY "color-shading-type"
+#define WP_PCOLOR_KEY "primary-color"
+#define WP_SCOLOR_KEY "secondary-color"
+
+struct _CcBackgroundPanel
+{
+  CcPanel parent_instance;
+
+  GDBusConnection *connection;
+
+  GSettings *settings;
+  GSettings *lock_settings;
+
+  GnomeDesktopThumbnailFactory *thumb_factory;
+
+  CcBackgroundItem *current_background;
+
+  CcBackgroundChooser *background_chooser;
+  GtkButton *add_picture_button;
+  CcBackgroundPreview *desktop_preview;
+};
+
+CC_PANEL_REGISTER (CcBackgroundPanel, cc_background_panel)
+
+static void
+update_preview (CcBackgroundPanel *panel)
+{
+  CcBackgroundItem *current_background;
+
+  current_background = panel->current_background;
+  cc_background_preview_set_item (panel->desktop_preview, current_background);
+}
+
+static gchar *
+get_save_path (void)
+{
+  return g_build_filename (g_get_user_config_dir (),
+                           "gnome-control-center",
+                           "backgrounds",
+                           "last-edited.xml",
+                           NULL);
+}
+
+static void
+reload_current_bg (CcBackgroundPanel *panel)
+{
+  g_autoptr(CcBackgroundItem) saved = NULL;
+  CcBackgroundItem *configured;
+  GSettings *settings = NULL;
+  g_autofree gchar *uri = NULL;
+  g_autofree gchar *pcolor = NULL;
+  g_autofree gchar *scolor = NULL;
+
+  /* Load the saved configuration */
+  uri = get_save_path ();
+  saved = cc_background_xml_get_item (uri);
+
+  /* initalise the current background information from settings */
+  settings = panel->settings;
+  uri = g_settings_get_string (settings, WP_URI_KEY);
+  if (uri && *uri == '\0')
+    g_clear_pointer (&uri, g_free);
+
+  configured = cc_background_item_new (uri);
+
+  pcolor = g_settings_get_string (settings, WP_PCOLOR_KEY);
+  scolor = g_settings_get_string (settings, WP_SCOLOR_KEY);
+  g_object_set (G_OBJECT (configured),
+                "name", _("Current background"),
+                "placement", g_settings_get_enum (settings, WP_OPTIONS_KEY),
+                "shading", g_settings_get_enum (settings, WP_SHADING_KEY),
+                "primary-color", pcolor,
+                "secondary-color", scolor,
+                NULL);
+
+  if (saved != NULL && cc_background_item_compare (saved, configured))
+    {
+      CcBackgroundItemFlags flags;
+      flags = cc_background_item_get_flags (saved);
+      /* Special case for colours */
+      if (cc_background_item_get_placement (saved) == G_DESKTOP_BACKGROUND_STYLE_NONE)
+        flags &=~ (CC_BACKGROUND_ITEM_HAS_PCOLOR | CC_BACKGROUND_ITEM_HAS_SCOLOR);
+      g_object_set (G_OBJECT (configured),
+		    "name", cc_background_item_get_name (saved),
+		    "flags", flags,
+		    "source-url", cc_background_item_get_source_url (saved),
+		    "source-xml", cc_background_item_get_source_xml (saved),
+		    NULL);
+    }
+
+  g_clear_object (&panel->current_background);
+  panel->current_background = configured;
+  cc_background_item_load (configured, NULL);
+}
+
+static gboolean
+create_save_dir (void)
+{
+  g_autofree char *path = NULL;
+
+  path = g_build_filename (g_get_user_config_dir (),
+			   "gnome-control-center",
+			   "backgrounds",
+			   NULL);
+  if (g_mkdir_with_parents (path, USER_DIR_MODE) < 0)
+    {
+      g_warning ("Failed to create directory '%s'", path);
+      return FALSE;
+    }
+  return TRUE;
+}
+
+static void
+set_background (CcBackgroundPanel *panel,
+                GSettings         *settings,
+                CcBackgroundItem  *item)
+{
+  GDesktopBackgroundStyle style;
+  CcBackgroundItemFlags flags;
+  g_autofree gchar *filename = NULL;
+  const char *uri;
+
+  if (item == NULL)
+    return;
+
+  uri = cc_background_item_get_uri (item);
+  flags = cc_background_item_get_flags (item);
+
+  g_settings_set_string (settings, WP_URI_KEY, uri);
+
+  /* Also set the placement if we have a URI and the previous value was none */
+  if (flags & CC_BACKGROUND_ITEM_HAS_PLACEMENT)
+    {
+      g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item));
+    }
+  else if (uri != NULL)
+    {
+      style = g_settings_get_enum (settings, WP_OPTIONS_KEY);
+      if (style == G_DESKTOP_BACKGROUND_STYLE_NONE)
+        g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item));
+    }
+
+  if (flags & CC_BACKGROUND_ITEM_HAS_SHADING)
+    g_settings_set_enum (settings, WP_SHADING_KEY, cc_background_item_get_shading (item));
+
+  g_settings_set_string (settings, WP_PCOLOR_KEY, cc_background_item_get_pcolor (item));
+  g_settings_set_string (settings, WP_SCOLOR_KEY, cc_background_item_get_scolor (item));
+
+  /* Apply all changes */
+  g_settings_apply (settings);
+
+  /* Save the source XML if there is one */
+  filename = get_save_path ();
+  if (create_save_dir ())
+    cc_background_xml_save (panel->current_background, filename);
+}
+
+
+static void
+on_chooser_background_chosen_cb (CcBackgroundPanel          *self,
+                                 CcBackgroundItem           *item)
+{
+  set_background (self, self->settings, item);
+  set_background (self, self->lock_settings, item);
+}
+
+static void
+on_add_picture_button_clicked_cb (CcBackgroundPanel *self)
+{
+  cc_background_chooser_select_file (self->background_chooser);
+}
+
+static const char *
+cc_background_panel_get_help_uri (CcPanel *panel)
+{
+  return "help:gnome-help/look-background";
+}
+
+static void
+cc_background_panel_constructed (GObject *object)
+{
+  CcBackgroundPanel *self;
+  CcShell *shell;
+
+  self = CC_BACKGROUND_PANEL (object);
+  shell = cc_panel_get_shell (CC_PANEL (self));
+
+  cc_shell_embed_widget_in_header (shell, GTK_WIDGET (self->add_picture_button), GTK_POS_RIGHT);
+
+  G_OBJECT_CLASS (cc_background_panel_parent_class)->constructed (object);
+}
+
+static void
+cc_background_panel_dispose (GObject *object)
+{
+  CcBackgroundPanel *panel = CC_BACKGROUND_PANEL (object);
+
+  g_clear_object (&panel->settings);
+  g_clear_object (&panel->lock_settings);
+  g_clear_object (&panel->thumb_factory);
+
+  G_OBJECT_CLASS (cc_background_panel_parent_class)->dispose (object);
+}
+
+static void
+cc_background_panel_finalize (GObject *object)
+{
+  CcBackgroundPanel *panel = CC_BACKGROUND_PANEL (object);
+
+  g_clear_object (&panel->current_background);
+
+  G_OBJECT_CLASS (cc_background_panel_parent_class)->finalize (object);
+}
+
+static void
+cc_background_panel_class_init (CcBackgroundPanelClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  g_type_ensure (CC_TYPE_BACKGROUND_CHOOSER);
+  g_type_ensure (CC_TYPE_BACKGROUND_PREVIEW);
+
+  panel_class->get_help_uri = cc_background_panel_get_help_uri;
+
+  object_class->constructed = cc_background_panel_constructed;
+  object_class->dispose = cc_background_panel_dispose;
+  object_class->finalize = cc_background_panel_finalize;
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/background/cc-background-panel.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, add_picture_button);
+  gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, background_chooser);
+  gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, desktop_preview);
+
+  gtk_widget_class_bind_template_callback (widget_class, on_chooser_background_chosen_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_add_picture_button_clicked_cb);
+}
+
+static void
+on_settings_changed (CcBackgroundPanel *panel)
+{
+  reload_current_bg (panel);
+  update_preview (panel);
+}
+
+static void
+cc_background_panel_init (CcBackgroundPanel *panel)
+{
+  g_resources_register (cc_background_get_resource ());
+
+  gtk_widget_init_template (GTK_WIDGET (panel));
+
+  panel->connection = g_application_get_dbus_connection (g_application_get_default ());
+
+  panel->thumb_factory = gnome_desktop_thumbnail_factory_new (GNOME_DESKTOP_THUMBNAIL_SIZE_LARGE);
+
+  panel->settings = g_settings_new (WP_PATH_ID);
+  g_settings_delay (panel->settings);
+ 
+  panel->lock_settings = g_settings_new (WP_LOCK_PATH_ID);
+  g_settings_delay (panel->lock_settings);
+
+  /* Load the background */
+  reload_current_bg (panel);
+  update_preview (panel);
+
+  /* Background settings */
+  g_signal_connect_object (panel->settings, "changed", G_CALLBACK (on_settings_changed), panel, G_CONNECT_SWAPPED);
+}