~ubuntu-branches/ubuntu/precise/gnome-control-center/precise-updates

/*

 * This file is part of the Main Menu.

 *

 * Copyright (c) 2006, 2007 Novell, Inc.

 *

 * The Main Menu 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.

 *

 * The Main Menu 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

 * the Main Menu; if not, write to the Free Software Foundation, Inc., 51

 * Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "system-tile.h"

#include "config.h"

#include <string.h>

#include <glib/gi18n-lib.h>

#include <gconf/gconf-client.h>

#include "bookmark-agent.h"

#include "slab-gnome-util.h"

#include "libslab-utils.h"

G_DEFINE_TYPE (SystemTile, system_tile, NAMEPLATE_TILE_TYPE)

static void system_tile_finalize (GObject *);

static void system_tile_style_set (GtkWidget *, GtkStyle *);

static void load_image (SystemTile *);

static GtkWidget *create_header (const gchar *);

static void open_trigger   (Tile *, TileEvent *, TileAction *);

static void remove_trigger (Tile *, TileEvent *, TileAction *);

static void update_user_list_menu_item (SystemTile *);

static void agent_notify_cb (GObject *, GParamSpec *, gpointer);

typedef struct {

	GnomeDesktopItem *desktop_item;

	BookmarkAgent       *agent;

	BookmarkStoreStatus  agent_status;

	gulong               notify_signal_id;

	gchar    *image_id;

	gboolean  image_is_broken;

} SystemTilePrivate;

#define PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SYSTEM_TILE_TYPE, SystemTilePrivate))

GtkWidget *

system_tile_new (const gchar *desktop_item_id, const gchar *title)

{

	SystemTile        *this;

	SystemTilePrivate *priv;

	gchar     *uri    = NULL;

	GtkWidget *header = NULL;

	GtkMenu *context_menu;

	TileAction  **actions;

	TileAction   *action;

	GtkWidget    *menu_item;

	GtkContainer *menu_ctnr;

	GnomeDesktopItem *desktop_item = NULL;

	gchar            *image_id     = NULL;

	gchar            *header_txt   = NULL;

	gchar *markup;

	AtkObject *accessible = NULL;

	desktop_item = libslab_gnome_desktop_item_new_from_unknown_id (desktop_item_id);

	if (desktop_item) {

		image_id = g_strdup (gnome_desktop_item_get_localestring (desktop_item, "Icon"));

		uri      = g_strdup (gnome_desktop_item_get_location (desktop_item));

		if (title)

			header_txt = g_strdup (title);

		else

			header_txt = g_strdup (

				gnome_desktop_item_get_localestring (desktop_item, "Name"));

	}

	if (! uri)

		return NULL;

	header = create_header (header_txt);

	context_menu = GTK_MENU (gtk_menu_new ());

	this = g_object_new (

		SYSTEM_TILE_TYPE,

		"tile-uri",            uri,

		"context-menu",        context_menu,

		"nameplate-image",     gtk_image_new (),

		"nameplate-header",    header,

		"nameplate-subheader", NULL,

		NULL);

	priv = PRIVATE (this);

	priv->agent = bookmark_agent_get_instance (BOOKMARK_STORE_SYSTEM);

	g_object_get (G_OBJECT (priv->agent), BOOKMARK_AGENT_STORE_STATUS_PROP, & priv->agent_status, NULL);

	priv->notify_signal_id = g_signal_connect (

		G_OBJECT (priv->agent), "notify", G_CALLBACK (agent_notify_cb), this);

	actions = g_new0 (TileAction *, 2);

	TILE (this)->actions   = actions;

	TILE (this)->n_actions = 2;

	menu_ctnr = GTK_CONTAINER (TILE (this)->context_menu);

	markup = g_markup_printf_escaped (_("<b>Open %s</b>"), header_txt);

	action = tile_action_new (TILE (this), open_trigger, markup, TILE_ACTION_OPENS_NEW_WINDOW);

	actions [SYSTEM_TILE_ACTION_OPEN] = action;

	g_free (markup);

	menu_item = GTK_WIDGET (tile_action_get_menu_item (action));

	gtk_container_add (menu_ctnr, menu_item);

	TILE (this)->default_action = action;

	gtk_container_add (menu_ctnr, gtk_separator_menu_item_new ());

	markup = g_markup_printf_escaped (_("Remove from System Items"));

	action = tile_action_new (TILE (this), remove_trigger, markup, 0);

	actions [SYSTEM_TILE_ACTION_REMOVE] = action;

	g_free (markup);

	menu_item = GTK_WIDGET (tile_action_get_menu_item (action));

	gtk_container_add (menu_ctnr, menu_item);

	gtk_widget_show_all (GTK_WIDGET (TILE (this)->context_menu));

	update_user_list_menu_item (this);

	priv->desktop_item = desktop_item;

	priv->image_id = g_strdup (image_id);

	load_image (this);

	/* Set up the mnemonic for the tile */

	gtk_label_set_mnemonic_widget (GTK_LABEL (header), GTK_WIDGET (this));

	/* Set up the accessible name for the tile */

	accessible = gtk_widget_get_accessible (GTK_WIDGET (this));

	if (header_txt)

		atk_object_set_name (accessible, header_txt);

	g_free (header_txt);

	g_free (image_id);

	g_free (uri);

	return GTK_WIDGET (this);

}

static void

system_tile_class_init (SystemTileClass *this_class)

{

	GObjectClass   *g_obj_class  = G_OBJECT_CLASS   (this_class);

	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (this_class);

	g_obj_class->finalize = system_tile_finalize;

	widget_class->style_set = system_tile_style_set;

	g_type_class_add_private (this_class, sizeof (SystemTilePrivate));

}

static void

system_tile_init (SystemTile *this)

{

	SystemTilePrivate *priv = PRIVATE (this);

	priv->desktop_item    = NULL;

	priv->image_id        = NULL;

	priv->image_is_broken = TRUE;

	priv->agent            = NULL;

	priv->agent_status     = BOOKMARK_STORE_ABSENT;

	priv->notify_signal_id = 0;

}

static void

system_tile_finalize (GObject *g_obj)

{

        SystemTilePrivate *priv = PRIVATE (g_obj);

	g_free (priv->image_id);

	gnome_desktop_item_unref (priv->desktop_item);

	if (priv->notify_signal_id)

		g_signal_handler_disconnect (priv->agent, priv->notify_signal_id);

	G_OBJECT_CLASS (system_tile_parent_class)->finalize (g_obj);

}

static void

system_tile_style_set (GtkWidget *widget, GtkStyle *prev_style)

{

	load_image (SYSTEM_TILE (widget));

}

static void

load_image (SystemTile *this)

{

	SystemTilePrivate *priv = PRIVATE (this);

	GtkImage *image = GTK_IMAGE (NAMEPLATE_TILE (this)->image);

	g_object_set (G_OBJECT (image), "icon-size", GTK_ICON_SIZE_MENU, NULL);

	priv->image_is_broken = libslab_gtk_image_set_by_id (image, priv->image_id);

}

static GtkWidget *

create_header (const gchar *name)

{

	GtkWidget *header;

	header = gtk_label_new (name);

	gtk_label_set_use_underline (GTK_LABEL (header), TRUE);

	gtk_misc_set_alignment (GTK_MISC (header), 0.0, 0.5);

	return header;

}

static void

open_trigger (Tile *this, TileEvent *event, TileAction *action)

{

	open_desktop_item_exec (PRIVATE (this)->desktop_item);

}

static void

remove_trigger (Tile *this, TileEvent *event, TileAction *action)

{

	bookmark_agent_remove_item (PRIVATE (this)->agent, this->uri);

}

static void

update_user_list_menu_item (SystemTile *this)

{

	SystemTilePrivate *priv = PRIVATE (this);

	TileAction *action;

	GtkWidget  *item;

	action = TILE (this)->actions [SYSTEM_TILE_ACTION_REMOVE];

	if (! action)

		return;

	item = GTK_WIDGET (tile_action_get_menu_item (action));

	if (! GTK_IS_MENU_ITEM (item))

		return;

	g_object_get (G_OBJECT (priv->agent), BOOKMARK_AGENT_STORE_STATUS_PROP, & priv->agent_status, NULL);

	gtk_widget_set_sensitive (item, (priv->agent_status != BOOKMARK_STORE_DEFAULT_ONLY));

}

static void

agent_notify_cb (GObject *g_obj, GParamSpec *pspec, gpointer user_data)

{

	update_user_list_menu_item (SYSTEM_TILE (user_data));

}