path: root/src/bookmarks/ephy-bookmark-action.c

/*
 *  Copyright © 2003, 2004 Marco Pesenti Gritti
 *  Copyright © 2003, 2004 Christian Persch
 *  Copyright © 2005 Peter Harvey
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"
#include "ephy-bookmark-action.h"

#include "ephy-bookmarks-ui.h"
#include "ephy-bookmarks.h"
#include "ephy-debug.h"
#include "ephy-dnd.h"
#include "ephy-embed-prefs.h"
#include "ephy-favicon-helpers.h"
#include "ephy-gui.h"
#include "ephy-shell.h"
#include "ephy-string.h"

#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <string.h>

/* FIXME tweak this, or make it configurable? (bug 148093) */
#define LABEL_WIDTH_CHARS       32

#define EPHY_BOOKMARK_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_BOOKMARK_ACTION, EphyBookmarkActionPrivate))

struct _EphyBookmarkActionPrivate
{
    EphyNode *node;
    gboolean smart_url;
    guint cache_handler;
};

enum
{
    PROP_0,
    PROP_BOOKMARK,
    PROP_TOOLTIP,
    PROP_LOCATION,
    PROP_SMART_URL,
    PROP_ICON
};

typedef struct
{
    GObject *weak_ptr;
    GtkWidget *entry;
    EphyLinkFlags flags;
} ClipboardCtx;

G_DEFINE_TYPE (EphyBookmarkAction, ephy_bookmark_action, EPHY_TYPE_LINK_ACTION)

#ifdef HAVE_WEBKIT2
static void
favicon_changed_cb (WebKitFaviconDatabase *database,
                    const char *page_address,
                    const char *icon_address,
                    EphyBookmarkAction *action)
{
        const char *icon;

        icon = ephy_node_get_property_string (action->priv->node,
                                              EPHY_NODE_BMK_PROP_ICON);
        if (g_strcmp0 (icon, icon_address) == 0)
        {
                g_signal_handler_disconnect (database, action->priv->cache_handler);
                action->priv->cache_handler = 0;

                g_object_notify (G_OBJECT (action), "icon");
        }
}
#else
static void
favicon_changed_cb (WebKitFaviconDatabase *database,
                    const char *page_address,
                    EphyBookmarkAction *action)
{
    const char *icon;
    char *icon_address;

    g_return_if_fail (action->priv->node != NULL);

    icon = ephy_node_get_property_string (action->priv->node,
                          EPHY_NODE_BMK_PROP_ICON);
    icon_address = webkit_favicon_database_get_favicon_uri (database, page_address);

    if (g_strcmp0 (icon, icon_address) == 0)
    {
        g_signal_handler_disconnect (database, action->priv->cache_handler);
        action->priv->cache_handler = 0;

        g_object_notify (G_OBJECT (action), "icon");
    }

    g_free (icon_address);
}
#endif

static void
async_get_favicon_pixbuf_callback (GObject *source, GAsyncResult *result, gpointer user_data)
{
       GtkWidget *proxy = GTK_WIDGET (user_data);
       WebKitFaviconDatabase *database = WEBKIT_FAVICON_DATABASE (source);
       GdkPixbuf *pixbuf = NULL;

#ifdef HAVE_WEBKIT2
       cairo_surface_t *icon_surface = webkit_favicon_database_get_favicon_finish (database, result, NULL);
       if (icon_surface)
       {
               pixbuf = ephy_pixbuf_get_from_surface_scaled (icon_surface, FAVICON_SIZE, FAVICON_SIZE);
               cairo_surface_destroy (icon_surface);
       }
#else
       pixbuf = webkit_favicon_database_get_favicon_pixbuf_finish (database, result, NULL);
#endif

       if (pixbuf)
       {
               if (GTK_IS_MENU_ITEM (proxy))
               {
                       GtkWidget *image;

                       image = gtk_image_new_from_pixbuf (pixbuf);
                       gtk_widget_show (image);

                       gtk_image_menu_item_set_image
                         (GTK_IMAGE_MENU_ITEM (proxy), image);
                       gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
                                                                  TRUE);
               }
               g_object_unref (pixbuf);
       }

       g_object_unref (proxy);
}

static void
ephy_bookmark_action_sync_icon (GtkAction *action,
                GParamSpec *pspec,
                GtkWidget *proxy)
{
    EphyBookmarkAction *bma = EPHY_BOOKMARK_ACTION (action);
    const char *page_location;
    WebKitFaviconDatabase *database;

    g_return_if_fail (bma->priv->node != NULL);

    page_location = ephy_node_get_property_string (bma->priv->node,
                               EPHY_NODE_BMK_PROP_LOCATION);

#ifdef HAVE_WEBKIT2
        database = webkit_web_context_get_favicon_database (webkit_web_context_get_default ());
#else
        database = webkit_get_favicon_database ();
#endif
    if (page_location && *page_location)
    {
#ifndef HAVE_WEBKIT2
                GdkPixbuf *pixbuf = webkit_favicon_database_try_get_favicon_pixbuf (database, page_location,
                                                                                    FAVICON_SIZE, FAVICON_SIZE);
                if (pixbuf == NULL && bma->priv->cache_handler == 0)
                {
                        bma->priv->cache_handler =
                        g_signal_connect_object (database, "icon-loaded",
                                                 G_CALLBACK (favicon_changed_cb),
                                                 action, 0);
                }

                if (GTK_IS_MENU_ITEM (proxy) && pixbuf)
                {
                        GtkWidget *image;

                        image = gtk_image_new_from_pixbuf (pixbuf);
                        gtk_widget_show (image);

                        gtk_image_menu_item_set_image
                                (GTK_IMAGE_MENU_ITEM (proxy), image);
                        gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
                                                                  TRUE);
                }

                if (pixbuf)
                {
                        g_object_unref (pixbuf);
                }
#else
                webkit_favicon_database_get_favicon (database, page_location,
                                                     0, async_get_favicon_pixbuf_callback,
                                                     g_object_ref (proxy));
                if (bma->priv->cache_handler == 0)
                {
                    bma->priv->cache_handler =
            g_signal_connect_object
                (database, "favicon-changed",
                 G_CALLBACK (favicon_changed_cb),
                 action, 0);
                }
#endif
    }
}

void
ephy_bookmark_action_activate (EphyBookmarkAction *action,
                   GtkWidget *widget,
                   EphyLinkFlags flags)
{
    EphyBookmarkActionPrivate *priv = action->priv;
    EphyBookmarks *bookmarks;
    const char *location;
    char *address = NULL, *text = NULL;

    g_return_if_fail (priv->node != NULL);

    location = ephy_node_get_property_string
            (priv->node, EPHY_NODE_BMK_PROP_LOCATION);
    g_return_if_fail (location != NULL);
    
    bookmarks = ephy_shell_get_bookmarks (ephy_shell_get_default ());
    
    if (GTK_IS_EDITABLE (widget))
    {
        text = gtk_editable_get_chars (GTK_EDITABLE (widget), 0, -1);
    }
    
    /* The entered search term is empty, and we have a smart bookmark */
    if ((text == NULL || text[0] == '\0') && strstr (location, "%s") != NULL)
    {
        char *scheme;
        char *host_name;

        scheme = g_uri_parse_scheme (location);
        host_name = ephy_string_get_host_name (location);
        address = g_strconcat (scheme,
                       "://",
                       host_name,
                       NULL);
        g_free (scheme);
        g_free (host_name);
    }

    if (address == NULL)
    {
        address = ephy_bookmarks_resolve_address (bookmarks, location, text);
    }
    g_return_if_fail (address != NULL);

    flags |= EPHY_LINK_BOOKMARK;

    ephy_link_open (EPHY_LINK (action), address, NULL, flags);

    g_free (address);
    g_free (text);
}

static void
activate_cb (GtkWidget *widget,
         EphyBookmarkAction *action)
{
       gboolean control = FALSE;
       GdkEvent *event;

       event = gtk_get_current_event ();
       if (event)
       {
           if (event->type == GDK_KEY_PRESS ||
           event->type == GDK_KEY_RELEASE)
           {
               control = (event->key.state & gtk_accelerator_get_default_mod_mask ()) == GDK_CONTROL_MASK;
           }

           gdk_event_free (event);
       }

       ephy_bookmark_action_activate
     (action, widget, (control || ephy_gui_is_middle_click ()) ? EPHY_LINK_NEW_TAB : 0);
}

static void
connect_proxy (GtkAction *action,
           GtkWidget *proxy)
{
    LOG ("Connecting action %p to proxy %p", action, proxy);

    GTK_ACTION_CLASS (ephy_bookmark_action_parent_class)->connect_proxy (action, proxy);

    ephy_bookmark_action_sync_icon (action, NULL, proxy);
    g_signal_connect_object (action, "notify::icon",
                 G_CALLBACK (ephy_bookmark_action_sync_icon), proxy, 0);

    if (GTK_IS_MENU_ITEM (proxy))
    {
        GtkLabel *label;

        label = GTK_LABEL (gtk_bin_get_child (GTK_BIN (proxy)));

        gtk_label_set_use_underline (label, FALSE);
        gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
        gtk_label_set_max_width_chars (label, LABEL_WIDTH_CHARS);

        g_signal_connect (proxy, "activate", G_CALLBACK (activate_cb), action);
    }
}

void
ephy_bookmark_action_updated (EphyBookmarkAction *action)
{
    GValue value = { 0, };
    EphyBookmarks *bookmarks = ephy_shell_get_bookmarks (ephy_shell);
    EphyNode *smart = ephy_bookmarks_get_smart_bookmarks (bookmarks);
    EphyNode *node = action->priv->node;
    const char *title;
    
    g_return_if_fail (action != NULL);
    g_return_if_fail (node != NULL);
    
    g_object_freeze_notify (G_OBJECT (action));

    /* Set smart_url */
    action->priv->smart_url = ephy_node_has_child (smart, node);
    g_object_notify (G_OBJECT (action), "smarturl");
    
    /* Set title */
    title = ephy_node_get_property_string (node, EPHY_NODE_BMK_PROP_TITLE);
    g_value_init (&value, G_TYPE_STRING);
    g_value_set_static_string (&value, title);
    g_object_set_property (G_OBJECT (action), "label", &value);
    g_value_unset (&value);
    
    /* Notify all other properties */
    g_object_notify (G_OBJECT (action), "location");
    g_object_notify (G_OBJECT (action), "icon");
    
    g_object_thaw_notify (G_OBJECT (action));

    /* We could force a tooltip re-query with gtk_tooltip_trigger_tooltip_query
     * here, but it's not really worth it. Just show the updated tip next time
     * the tip is queried.
     */
}

EphyNode *
ephy_bookmark_action_get_bookmark (EphyBookmarkAction *action)
{
    return action->priv->node;
}

void
ephy_bookmark_action_set_bookmark (EphyBookmarkAction *action,
                   EphyNode *node)
{
    EphyBookmarkActionPrivate *priv = action->priv;
    GObject *object = G_OBJECT (action);

    g_return_if_fail (node != NULL);

    priv->node = node;

    g_object_freeze_notify (object);

    g_object_notify (object, "bookmark");
    ephy_bookmark_action_updated (action);

    g_object_thaw_notify (object);
}

static void
ephy_bookmark_action_set_property (GObject *object,
                   guint prop_id,
                   const GValue *value,
                   GParamSpec *pspec)
{
    EphyBookmarkAction *action = EPHY_BOOKMARK_ACTION (object);

    switch (prop_id)
    {
        case PROP_BOOKMARK:
            ephy_bookmark_action_set_bookmark (action, g_value_get_pointer (value));
            break;
        case PROP_TOOLTIP:
        case PROP_LOCATION:
        case PROP_SMART_URL:
        case PROP_ICON:
            /* not writable */
            break;
    }
}

static void
ephy_bookmark_action_get_property (GObject *object,
                   guint prop_id,
                   GValue *value,
                   GParamSpec *pspec)
{
    EphyBookmarkAction *action = EPHY_BOOKMARK_ACTION (object);
    EphyBookmarkActionPrivate *priv = action->priv;

    g_return_if_fail (priv->node != NULL);

    switch (prop_id)
    {
        case PROP_BOOKMARK:
            g_value_set_pointer (value, priv->node);
            break;
        case PROP_TOOLTIP:
        case PROP_LOCATION:
            g_value_set_string (value,
                ephy_node_get_property_string (priv->node,
                    EPHY_NODE_BMK_PROP_LOCATION));
            break;
        case PROP_SMART_URL:
            g_value_set_boolean (value, priv->smart_url);
            break;
        case PROP_ICON:
            g_value_set_string (value,
                ephy_node_get_property_string (priv->node,
                    EPHY_NODE_BMK_PROP_ICON));
            break;
    }
}

static void
ephy_bookmark_action_init (EphyBookmarkAction *action)
{
    action->priv = EPHY_BOOKMARK_ACTION_GET_PRIVATE (action);
    
    action->priv->cache_handler = 0;
}

static void
ephy_bookmark_action_dispose (GObject *object)
{
    EphyBookmarkAction *action = (EphyBookmarkAction *) object;
    EphyBookmarkActionPrivate *priv = action->priv;

    if (priv->cache_handler != 0)
    {
        WebKitFaviconDatabase *database;
#ifdef HAVE_WEBKIT2
                database = webkit_web_context_get_favicon_database (webkit_web_context_get_default ());
#else
                database = webkit_get_favicon_database ();
#endif
        g_signal_handler_disconnect (database, priv->cache_handler);
        priv->cache_handler = 0;
    }

    G_OBJECT_CLASS (ephy_bookmark_action_parent_class)->dispose (object);
}

static void
ephy_bookmark_action_class_init (EphyBookmarkActionClass *class)
{
    GObjectClass *object_class = G_OBJECT_CLASS (class);
    GtkActionClass *action_class = GTK_ACTION_CLASS (class);

    action_class->menu_item_type = GTK_TYPE_IMAGE_MENU_ITEM;
    action_class->connect_proxy = connect_proxy;

    object_class->dispose = ephy_bookmark_action_dispose;
    object_class->set_property = ephy_bookmark_action_set_property;
    object_class->get_property = ephy_bookmark_action_get_property;

    g_object_class_install_property (object_class,
                     PROP_BOOKMARK,
                     g_param_spec_pointer ("bookmark", NULL, NULL,
                                   G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
                                   G_PARAM_CONSTRUCT_ONLY));

    /* overwrite GtkActionClass::tooltip, so we can use the url as tooltip */
    g_object_class_install_property (object_class,
                     PROP_TOOLTIP,
                     g_param_spec_string  ("tooltip", NULL, NULL,
                                   NULL,
                                   G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
    
    g_object_class_install_property (object_class,
                     PROP_LOCATION,
                     g_param_spec_string  ("location", NULL, NULL,
                                   NULL,
                                   G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
    g_object_class_install_property (object_class,
                     PROP_SMART_URL,
                     g_param_spec_boolean  ("smarturl", NULL, NULL,
                                FALSE,
                                G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
    g_object_class_install_property (object_class,
                     PROP_ICON,
                     g_param_spec_string  ("icon", NULL, NULL,
                                   NULL,
                                   G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));

    g_type_class_add_private (object_class, sizeof(EphyBookmarkActionPrivate));
}

GtkAction *
ephy_bookmark_action_new (EphyNode *node,
              const char *name)
{
    g_assert (name != NULL);

    return  GTK_ACTION (g_object_new (EPHY_TYPE_BOOKMARK_ACTION,
                      "name", name,
                      "bookmark", node,
                      NULL));
}