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path: root/src/ephy-favicon-action.c
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/*
 *  Copyright (C) 2003 Marco Pesenti Gritti
 *
 *  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, 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#include "config.h"

#include "ephy-favicon-action.h"
#include "ephy-window.h"
#include "ephy-tab.h"
#include "ephy-dnd.h"
#include "ephy-favicon-cache.h"
#include "ephy-shell.h"
#include "ephy-debug.h"

#include <gtk/gtktoolitem.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkeventbox.h>
#include <gtk/gtktooltips.h>

static GtkTargetEntry url_drag_types [] =
{
    { EPHY_DND_URI_LIST_TYPE,   0, 0 },
    { EPHY_DND_TEXT_TYPE,       0, 1 },
    { EPHY_DND_URL_TYPE,        0, 2 }
};
static int n_url_drag_types = G_N_ELEMENTS (url_drag_types);

#define EPHY_FAVICON_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_FAVICON_ACTION, EphyFaviconActionPrivate))

struct _EphyFaviconActionPrivate
{
    EphyWindow *window;
    char *icon;
    EphyFaviconCache *cache;
};

enum
{
    PROP_0,
    PROP_WINDOW,
    PROP_ICON
};

static void ephy_favicon_action_init       (EphyFaviconAction *action);
static void ephy_favicon_action_class_init (EphyFaviconActionClass *class);
static void ephy_favicon_action_finalize   (GObject *object);

static GObjectClass *parent_class = NULL;

GType
ephy_favicon_action_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0))
    {
        static const GTypeInfo type_info =
        {
            sizeof (EphyFaviconActionClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) ephy_favicon_action_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,
            sizeof (EphyFaviconAction),
            0, /* n_preallocs */
            (GInstanceInitFunc) ephy_favicon_action_init,
        };

        type = g_type_register_static (GTK_TYPE_ACTION,
                           "EphyFaviconAction",
                           &type_info, 0);
    }
    return type;
}

static void
each_url_get_data_binder (EphyDragEachSelectedItemDataGet iteratee,
              gpointer iterator_context, gpointer data)
{
    const char *title;
    char *location;
    EphyTab *tab;
    EphyEmbed *embed;
    EphyWindow *window = EPHY_WINDOW(iterator_context);

    tab = ephy_window_get_active_tab (window);
    embed = ephy_tab_get_embed (tab);
    location = ephy_embed_get_location (embed, TRUE);
    title = ephy_tab_get_title (tab);

    iteratee (location, title, data);

    g_free (location);
}

static void
favicon_drag_data_get_cb (GtkWidget *widget,
              GdkDragContext *context,
              GtkSelectionData *selection_data,
              guint info,
              guint32 time,
              EphyWindow *window)
{
    g_assert (widget != NULL);
    g_return_if_fail (context != NULL);

    ephy_dnd_drag_data_get (widget, context, selection_data,
        time, window, each_url_get_data_binder);
}

static GtkWidget *
create_tool_item (GtkAction *action)
{
    GtkWidget *image;
    GtkWidget *ebox;
    GtkWidget *item;

    item = GTK_WIDGET (gtk_tool_item_new ());

    ebox = gtk_event_box_new ();
    gtk_event_box_set_visible_window (GTK_EVENT_BOX (ebox), FALSE);
    image = gtk_image_new ();
    gtk_container_add (GTK_CONTAINER (ebox), image);
    gtk_container_set_border_width (GTK_CONTAINER (ebox), 2);
    gtk_container_add (GTK_CONTAINER (item), ebox);
    gtk_widget_show (image);
    gtk_widget_show (ebox);

    g_object_set_data (G_OBJECT (item), "ebox", ebox);
    g_object_set_data (G_OBJECT (item), "image", image);

    gtk_drag_source_set (ebox,
                 GDK_BUTTON1_MASK,
                 url_drag_types,
                 n_url_drag_types,
                 GDK_ACTION_COPY);
    g_signal_connect (ebox,
              "drag_data_get",
              G_CALLBACK (favicon_drag_data_get_cb),
              EPHY_FAVICON_ACTION (action)->priv->window);

    return item;
}

static void
ephy_favicon_action_sync_icon (GtkAction *action, GParamSpec *pspec,
                   GtkWidget *proxy)
{
    EphyFaviconAction *fav_action = EPHY_FAVICON_ACTION (action);
    char *url;
    GtkWidget *image;
    GdkPixbuf *pixbuf = NULL;

    url = fav_action->priv->icon;
    image = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "image"));

    if (url)
    {
        pixbuf = ephy_favicon_cache_get (fav_action->priv->cache, url);
    }

    if (pixbuf)
    {
        gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
        g_object_unref (pixbuf);
    }
    else
    {
        gtk_image_set_from_stock (GTK_IMAGE (image),
                      GTK_STOCK_NEW,
                      GTK_ICON_SIZE_MENU);
    }
}

static gboolean
set_tooltip_cb (GtkToolItem *item,
        GtkTooltips *tooltips,
        const char *tip,
        const char *tip_private,
        EphyFaviconAction *action)
{
    GtkWidget *ebox;

    ebox = g_object_get_data (G_OBJECT (item), "ebox");
    g_return_val_if_fail (ebox != NULL, FALSE);

    gtk_tooltips_set_tip (tooltips, ebox, tip, tip_private);

    return TRUE;
}

static void
connect_proxy (GtkAction *action, GtkWidget *proxy)
{
    if (GTK_IS_TOOL_ITEM (proxy))
    {
        ephy_favicon_action_sync_icon (action, NULL, proxy);
        g_signal_connect_object (action, "notify::icon",
                     G_CALLBACK (ephy_favicon_action_sync_icon),
                     proxy, 0);

           g_signal_connect (proxy, "set-tooltip",
                 G_CALLBACK (set_tooltip_cb), action);

    }

    GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
}

static void
ephy_favicon_action_set_property (GObject *object,
                  guint prop_id,
                  const GValue *value,
                  GParamSpec *pspec)
{
    EphyFaviconAction *fav = EPHY_FAVICON_ACTION (object);

    switch (prop_id)
    {
        case PROP_WINDOW:
            fav->priv->window = EPHY_WINDOW (g_value_get_object (value));
            break;
        case PROP_ICON:
            g_free (fav->priv->icon);
            fav->priv->icon = g_value_dup_string (value);
            break;
    }
}

static void
ephy_favicon_action_get_property (GObject *object,
                  guint prop_id,
                  GValue *value,
                  GParamSpec *pspec)
{
    EphyFaviconAction *fav = EPHY_FAVICON_ACTION (object);

    switch (prop_id)
    {
        case PROP_WINDOW:
            g_value_set_object (value, fav->priv->window);
            break;
        case PROP_ICON:
            g_value_set_string (value, fav->priv->icon);
            break;
    }
}

static void
ephy_favicon_action_class_init (EphyFaviconActionClass *class)
{
    GtkActionClass *action_class;
    GObjectClass *object_class = G_OBJECT_CLASS (class);

    object_class->set_property = ephy_favicon_action_set_property;
    object_class->get_property = ephy_favicon_action_get_property;
    object_class->finalize = ephy_favicon_action_finalize;

    parent_class = g_type_class_peek_parent (class);
    action_class = GTK_ACTION_CLASS (class);

    action_class->toolbar_item_type = GTK_TYPE_TOOL_ITEM;
    action_class->create_tool_item = create_tool_item;
    action_class->connect_proxy = connect_proxy;

    g_object_class_install_property (object_class,
                     PROP_WINDOW,
                     g_param_spec_object ("window",
                                  "Window",
                                  "The window",
                                  G_TYPE_OBJECT,
                                  G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                     PROP_ICON,
                     g_param_spec_string  ("icon",
                                   "Icon",
                                   "The icon",
                                   NULL,
                                   G_PARAM_READWRITE));

    g_type_class_add_private (object_class, sizeof(EphyFaviconActionPrivate));
}

static void
ephy_favicon_action_init (EphyFaviconAction *action)
{
    action->priv = EPHY_FAVICON_ACTION_GET_PRIVATE (action);

    action->priv->cache = EPHY_FAVICON_CACHE
        (ephy_embed_shell_get_favicon_cache
        (EPHY_EMBED_SHELL (ephy_shell)));
    g_object_ref (action->priv->cache);
}

static void
ephy_favicon_action_finalize (GObject *object)
{
    EphyFaviconAction *action = EPHY_FAVICON_ACTION (object);

    g_free (action->priv->icon);

    g_object_unref (action->priv->cache);

    G_OBJECT_CLASS (parent_class)->finalize (object);
}