/* bg-colors-source.c */
/*
 * 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 "bg-colors-source.h"

#include "cc-appearance-item.h"

#include <glib/gi18n-lib.h>
#include <gdesktop-enums.h>

G_DEFINE_TYPE (BgColorsSource, bg_colors_source, BG_TYPE_SOURCE)

#define COLORS_SOURCE_PRIVATE(o) \
  (G_TYPE_INSTANCE_GET_PRIVATE ((o), BG_TYPE_COLORS_SOURCE, BgColorsSourcePrivate))

static void
bg_colors_source_class_init (BgColorsSourceClass *klass)
{
}

struct {
	const char *name;
	GDesktopBackgroundShading type;
	int orientation;
} items[] = {
	{ N_("Horizontal Gradient"), G_DESKTOP_BACKGROUND_SHADING_HORIZONTAL, GTK_ORIENTATION_HORIZONTAL },
	{ N_("Vertical Gradient"), G_DESKTOP_BACKGROUND_SHADING_VERTICAL, GTK_ORIENTATION_VERTICAL },
	{ N_("Solid Color"), G_DESKTOP_BACKGROUND_SHADING_SOLID, -1 },
};

#define PCOLOR "#023c88"
#define SCOLOR "#5789ca"

static GEmblem *
get_arrow_icon (GtkOrientation orientation)
{
  GIcon *themed;
  GEmblem *emblem;
  if (orientation == GTK_ORIENTATION_HORIZONTAL)
    themed = g_themed_icon_new ("go-next-symbolic");
  else
    themed = g_themed_icon_new ("go-down-symbolic");
  emblem = g_emblem_new_with_origin (themed, G_EMBLEM_ORIGIN_DEVICE);
  g_object_unref (themed);
  return emblem;
}

static void
bg_colors_source_init (BgColorsSource *self)
{
  GnomeDesktopThumbnailFactory *thumb_factory;
  guint i;
  GtkListStore *store;

  store = bg_source_get_liststore (BG_SOURCE (self));

  thumb_factory = gnome_desktop_thumbnail_factory_new (GNOME_DESKTOP_THUMBNAIL_SIZE_NORMAL);

  for (i = 0; i < G_N_ELEMENTS (items); i++)
    {
      CcAppearanceItemFlags flags;
      CcAppearanceItem *item;
      GIcon *pixbuf;

      item = cc_appearance_item_new (NULL);
      flags = CC_APPEARANCE_ITEM_HAS_PCOLOR |
	      CC_APPEARANCE_ITEM_HAS_SCOLOR |
	      CC_APPEARANCE_ITEM_HAS_SHADING |
	      CC_APPEARANCE_ITEM_HAS_PLACEMENT |
	      CC_APPEARANCE_ITEM_HAS_URI;
      /* It does have a URI, it's "none" */

      g_object_set (G_OBJECT (item),
		    "name", _(items[i].name),
		    "primary-color", PCOLOR,
		    "secondary-color", SCOLOR,
		    "shading", items[i].type,
		    "placement", G_DESKTOP_BACKGROUND_STYLE_NONE,
		    "flags", flags,
		    NULL);

      /* insert the item into the liststore */
      pixbuf = cc_appearance_item_get_thumbnail (item,
						 thumb_factory,
						 THUMBNAIL_WIDTH, THUMBNAIL_HEIGHT);
      if (items[i].orientation != -1)
        {
          GEmblem *emblem;
          GIcon *icon;

	  emblem = get_arrow_icon (items[i].orientation);
	  icon = g_emblemed_icon_new (G_ICON (pixbuf), emblem);
	  g_object_unref (emblem);
	  g_object_unref (pixbuf);
	  pixbuf = icon;
	}
      gtk_list_store_insert_with_values (store, NULL, 0,
                                         0, pixbuf,
                                         1, item,
                                         2, _(items[i].name),
                                         -1);

      g_object_unref (pixbuf);
    }

  g_object_unref (thumb_factory);
}

BgColorsSource *
bg_colors_source_new (void)
{
  return g_object_new (BG_TYPE_COLORS_SOURCE, NULL);
}