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

/*
 *  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.
 *
 *  $Id$
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib/gi18n.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <gtk/gtktoolitem.h>

#include "ephy-bookmark-action.h"
#include "ephy-dnd.h"
#include "ephy-bookmarksbar.h"
#include "ephy-bookmarks.h"
#include "ephy-favicon-cache.h"
#include "ephy-shell.h"
#include "ephy-string.h"
#include "ephy-debug.h"

#include <string.h>

#define MAX_LABEL_LENGTH 32

static void ephy_bookmark_action_init       (EphyBookmarkAction *action);
static void ephy_bookmark_action_class_init (EphyBookmarkActionClass *class);

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

static GtkTargetEntry drag_targets[] =
{
    { EPHY_DND_URL_TYPE, 0, 0 }
};
static int n_drag_targets = G_N_ELEMENTS (drag_targets);

struct EphyBookmarkActionPrivate
{
    int bookmark_id;
    char *location;
    gboolean smart_url;
    char *icon;
    guint cache_handler;

    guint motion_handler;
    gint drag_x;
    gint drag_y;
};

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

enum
{
    GO_LOCATION,
    LAST_SIGNAL
};

static GObjectClass *parent_class = NULL;

static guint signals[LAST_SIGNAL] = { 0 };

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

    if (type == 0)
    {
        static const GTypeInfo type_info =
        {
            sizeof (EphyBookmarkActionClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) ephy_bookmark_action_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,
            sizeof (EphyBookmarkAction),
            0, /* n_preallocs */
            (GInstanceInitFunc) ephy_bookmark_action_init,
        };

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

static GtkWidget *
create_tool_item (GtkAction *action)
{
    GtkWidget *item, *button, *hbox, *label, *icon, *entry;

    LOG ("Creating tool item for action %p", action)

    item = (* GTK_ACTION_CLASS (parent_class)->create_tool_item) (action);

    hbox = gtk_hbox_new (FALSE, 0);
    gtk_widget_show (hbox);
    gtk_container_add (GTK_CONTAINER (item), hbox);

    button = gtk_button_new ();
    gtk_widget_add_events (GTK_WIDGET (button), GDK_BUTTON1_MOTION_MASK);
    gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
    gtk_widget_show (button);
    gtk_container_add (GTK_CONTAINER (hbox), button);
    g_object_set_data (G_OBJECT (item), "button", button);

    entry = gtk_entry_new ();
    gtk_widget_set_size_request (entry, 120, -1);
    gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
    g_object_set_data (G_OBJECT (item), "entry", entry);

    hbox = gtk_hbox_new (FALSE, 3);
    gtk_widget_show (hbox);
    gtk_container_add (GTK_CONTAINER (button), hbox);

    icon = gtk_image_new ();
    gtk_widget_show (icon);
    gtk_box_pack_start (GTK_BOX (hbox), icon, TRUE, TRUE, 0);
    g_object_set_data (G_OBJECT (item), "icon", icon);

    label = gtk_label_new (NULL);
    gtk_widget_show (label);
    gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
    g_object_set_data (G_OBJECT (item), "label", label);

    return item;
}

static void
ephy_bookmark_action_sync_smart_url (GtkAction *action, GParamSpec *pspec, GtkWidget *proxy)
{
    if (GTK_IS_TOOL_ITEM (proxy))
    {
        GtkWidget *entry, *icon;
        gboolean smart_url;

        smart_url = EPHY_BOOKMARK_ACTION (action)->priv->smart_url;
        entry = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "entry"));
        icon = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "icon"));

        if (smart_url)
        {
            gtk_widget_hide (icon);
            gtk_widget_show (entry);
        }
        else
        {
            gtk_widget_show (icon);
            gtk_widget_hide (entry);
        }
    }
}

static void
favicon_cache_changed_cb (EphyFaviconCache *cache,
              const char *icon,
              EphyBookmarkAction *action)
{
    if (action->priv->icon && strcmp (icon, action->priv->icon) == 0)
    {
        g_signal_handler_disconnect (cache, action->priv->cache_handler);
        action->priv->cache_handler = 0;

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

static void
ephy_bookmark_action_sync_icon (GtkAction *action, GParamSpec *pspec, GtkWidget *proxy)
{
    EphyBookmarkAction *bma = EPHY_BOOKMARK_ACTION (action);
    char *icon_location;
    EphyFaviconCache *cache;
    GdkPixbuf *pixbuf = NULL;

    icon_location = bma->priv->icon;

    cache = EPHY_FAVICON_CACHE (ephy_embed_shell_get_favicon_cache
        (EPHY_EMBED_SHELL (ephy_shell)));

    if (icon_location)
    {
        pixbuf = ephy_favicon_cache_get (cache, icon_location);

        if (pixbuf == NULL && bma->priv->cache_handler == 0)
        {
            bma->priv->cache_handler =
                g_signal_connect_object
                    (cache, "changed",
                     G_CALLBACK (favicon_cache_changed_cb),
                     action, 0);
        }
    }

    if (GTK_IS_TOOL_ITEM (proxy))
    {
        GtkImage *icon;

        icon = GTK_IMAGE (g_object_get_data (G_OBJECT (proxy), "icon"));
        g_return_if_fail (icon != NULL);

        if (pixbuf == NULL)
        {
            pixbuf = gtk_widget_render_icon (proxy, GTK_STOCK_JUMP_TO,
                                     GTK_ICON_SIZE_MENU, NULL);
        }

        gtk_image_set_from_pixbuf (icon, pixbuf);
    }
    else 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);
    }

    if (pixbuf)
    {
        g_object_unref (pixbuf);
    }
}

static void
ephy_bookmark_action_sync_label (GtkAction *action, GParamSpec *pspec, GtkWidget *proxy)
{
    GtkWidget *label;
    char *label_text;
    char *title;
    GValue value = { 0, };

    g_value_init (&value, G_TYPE_STRING);
    g_object_get_property (G_OBJECT (action), "label", &value);
                                                                                                                             
    title = ephy_string_shorten (g_value_get_string (&value),
                     MAX_LABEL_LENGTH);
    g_value_unset (&value);

    if (EPHY_BOOKMARK_ACTION (action)->priv->smart_url
        && GTK_IS_TOOL_ITEM (proxy))
    {
        label_text = g_strdup_printf (_("%s:"), title);
    }
    else
    {
        label_text = g_strdup (title);
    }

    if (GTK_IS_TOOL_ITEM (proxy))
    {
        label = g_object_get_data (G_OBJECT (proxy), "label");
        g_return_if_fail (label != NULL);
    }
    else if (GTK_IS_MENU_ITEM (proxy))
    {
        label = GTK_BIN (proxy)->child;
    }
    else
    {
        g_warning ("Unkown widget");
        return;
    }

    gtk_label_set_label (GTK_LABEL (label), label_text);

    g_free (label_text);
    g_free (title);
}

static void
activate_cb (GtkWidget *widget, GtkAction *action)
{
    char *location = NULL;
    char *text = NULL;

    if (GTK_IS_EDITABLE (widget))
    {
        text = gtk_editable_get_chars (GTK_EDITABLE (widget), 0, -1);
    }

    if (text != NULL && text[0] != '\0')
    {
        char *smart_url;
        EphyBookmarks *bookmarks;

        bookmarks = ephy_shell_get_bookmarks (ephy_shell);

        smart_url = EPHY_BOOKMARK_ACTION (action)->priv->location;
        location = ephy_bookmarks_solve_smart_url (bookmarks,
                               smart_url,
                               text);
    }
    else
    {
        EphyBookmarkAction *baction = EPHY_BOOKMARK_ACTION (action);

        if (baction->priv->smart_url)
        {
            GnomeVFSURI *uri;

            uri = gnome_vfs_uri_new (baction->priv->location);

            if (uri)
            {
                location = g_strdup (gnome_vfs_uri_get_host_name (uri));
                gnome_vfs_uri_unref (uri);
            }
        }

        if (location == NULL)
        {
            location = g_strdup (baction->priv->location);
        }
    }

    g_signal_emit (action, signals[GO_LOCATION], 0, location);

    g_free (location);
    g_free (text);
}

static void
stop_drag_check (EphyBookmarkAction *action, GtkWidget *widget)
{
    if (action->priv->motion_handler)
    {
        g_signal_handler_disconnect (widget, action->priv->motion_handler);
        action->priv->motion_handler = 0;
    }
}

static void
drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
          GtkSelectionData *selection_data, guint info,
          guint32 time, EphyBookmarkAction *action)
{
    char *address = action->priv->location;

    g_return_if_fail (address != NULL);

    gtk_selection_data_set (selection_data, selection_data->target, 8,
                address, strlen (address));
}

static void
drag_data_delete_cb (GtkWidget *widget, GdkDragContext *context,
             EphyBookmarkAction *action)
{
    EphyBookmarks *bookmarks;
    EggToolbarsModel *model;
    GtkWidget *item, *toolbar;
    int pos;

    item = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOL_ITEM);
    g_return_if_fail (item != NULL);

    toolbar = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOLBAR);
    g_return_if_fail (toolbar != NULL);

    pos = gtk_toolbar_get_item_index (GTK_TOOLBAR (toolbar),
                          GTK_TOOL_ITEM (item));

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);
    model = ephy_bookmarks_get_toolbars_model (bookmarks);
    egg_toolbars_model_remove_item (model, 0, pos);
}

static gboolean
drag_motion_cb (GtkWidget *widget, GdkEventMotion *event, EphyBookmarkAction *action)
{
    if (gtk_drag_check_threshold (widget, action->priv->drag_x,
                      action->priv->drag_y, event->x, event->y))
    {
        GtkTargetList *target_list;

        target_list = gtk_target_list_new (drag_targets, n_drag_targets);

        stop_drag_check (action, widget);
        gtk_drag_begin (widget, target_list, GDK_ACTION_MOVE, 1, (GdkEvent*)event);
    }

    return TRUE;
}

static gboolean
button_press_cb (GtkWidget *widget,
         GdkEventButton *event,
         EphyBookmarkAction *action)
{
    if (event->button == 2) 
    {
        gtk_button_pressed (GTK_BUTTON (widget));
    }
    else if (event->button == 1 &&
         gtk_widget_get_ancestor (widget, EPHY_TYPE_BOOKMARKSBAR))
    {
        action->priv->drag_x = event->x;
        action->priv->drag_y = event->y;
        action->priv->motion_handler = g_signal_connect
            (widget, "motion_notify_event", G_CALLBACK (drag_motion_cb), action);
    }

    return FALSE;
}

static gboolean
button_release_cb (GtkWidget *widget,
                   GdkEventButton *event,
           EphyBookmarkAction *action)
{
    if (event->button == 2) 
    {
        gtk_button_released (GTK_BUTTON (widget));
    }
    else if (event->button == 1)
    {
        stop_drag_check (action, widget);
    }

    return FALSE;
}

static void
connect_proxy (GtkAction *action, GtkWidget *proxy)
{
    GtkWidget *button, *entry;

    LOG ("Connecting action %p to proxy %p", action, proxy)

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

    ephy_bookmark_action_sync_label (action, NULL, proxy);
    g_signal_connect_object (action, "notify::label",
                     G_CALLBACK (ephy_bookmark_action_sync_label), proxy, 0);

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

    ephy_bookmark_action_sync_smart_url (action, NULL, proxy);
    g_signal_connect_object (action, "notify::smarturl",
                     G_CALLBACK (ephy_bookmark_action_sync_smart_url), proxy, 0);

    if (GTK_IS_TOOL_ITEM (proxy))
    {
        button = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "button"));
        g_signal_connect (button, "clicked", G_CALLBACK (activate_cb), action);
        g_signal_connect (button, "button-press-event",
                  G_CALLBACK (button_press_cb), action);
        g_signal_connect (button, "button-release-event",
                  G_CALLBACK (button_release_cb), action);
        g_signal_connect (button, "drag_data_get",
                  G_CALLBACK (drag_data_get_cb), action);
        g_signal_connect (button, "drag_data_delete",
                  G_CALLBACK (drag_data_delete_cb), action);

        entry = GTK_WIDGET (g_object_get_data (G_OBJECT (proxy), "entry"));
        g_signal_connect (entry, "activate", G_CALLBACK (activate_cb), action);
    }
    else if (GTK_IS_MENU_ITEM (proxy))
    {
        g_signal_connect (proxy, "activate", G_CALLBACK (activate_cb), action);
    }
}

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

    bmk = EPHY_BOOKMARK_ACTION (object);

    switch (prop_id)
    {
        case PROP_BOOKMARK_ID:
            bmk->priv->bookmark_id = g_value_get_int (value);
            break;
        case PROP_TOOLTIP:
        case PROP_LOCATION:
            g_free (bmk->priv->location);
            bmk->priv->location = g_strdup (g_value_get_string (value));
            break;
        case PROP_SMART_URL:
            bmk->priv->smart_url = g_value_get_boolean (value);
            break;
        case PROP_ICON:
            g_free (bmk->priv->icon);
            bmk->priv->icon = g_value_dup_string (value);
            break;
    }
}

static void
ephy_bookmark_action_get_property (GObject *object,
                                   guint prop_id,
                                   GValue *value,
                                   GParamSpec *pspec)
{
    EphyBookmarkAction *bmk;

    bmk = EPHY_BOOKMARK_ACTION (object);

    switch (prop_id)
    {
        case PROP_BOOKMARK_ID:
            g_value_set_boolean (value, bmk->priv->bookmark_id);
            break;
        case PROP_TOOLTIP:
        case PROP_LOCATION:
            g_value_set_string (value, bmk->priv->location);
            break;
        case PROP_SMART_URL:
            g_value_set_boolean (value, bmk->priv->smart_url);
            break;
        case PROP_ICON:
            g_value_set_string (value, bmk->priv->icon);
            break;
    }
}

static void
ephy_bookmark_action_finalize (GObject *object)
{
        EphyBookmarkAction *eba = EPHY_BOOKMARK_ACTION (object);

    g_free (eba->priv->location);
    g_free (eba->priv->icon);

    LOG ("Bookmark action finalized")

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

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

    parent_class = g_type_class_peek_parent (class);

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

    object_class->finalize = ephy_bookmark_action_finalize;
    object_class->set_property = ephy_bookmark_action_set_property;
    object_class->get_property = ephy_bookmark_action_get_property;

    signals[GO_LOCATION] =
                g_signal_new ("go_location",
                              G_OBJECT_CLASS_TYPE (object_class),
                              G_SIGNAL_RUN_FIRST,
                              G_STRUCT_OFFSET (EphyBookmarkActionClass, go_location),
                              NULL, NULL,
                              g_cclosure_marshal_VOID__STRING,
                              G_TYPE_NONE,
                              1,
                  G_TYPE_STRING);

    g_object_class_install_property (object_class,
                                         PROP_BOOKMARK_ID,
                                         g_param_spec_int ("bookmark_id",
                                                           "bookmark_id",
                                                           "bookmark_id",
                               0,
                               G_MAXINT,
                                                           0,
                                                           G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                                         PROP_LOCATION,
                                         g_param_spec_string  ("tooltip",
                                                               "Tooltip",
                                                               "Tooltip",
                                                               NULL,
                                                               G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                                         PROP_LOCATION,
                                         g_param_spec_string  ("location",
                                                               "Location",
                                                               "Location",
                                                               NULL,
                                                               G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                                         PROP_SMART_URL,
                                         g_param_spec_boolean  ("smarturl",
                                                                "Smart url",
                                                                "Smart url",
                                                                FALSE,
                                                                G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                                         PROP_ICON,
                                         g_param_spec_string  ("icon",
                                                               "Icon",
                                                               "Icon",
                                                               NULL,
                                                               G_PARAM_READWRITE));

    g_type_class_add_private (object_class, sizeof(EphyBookmarkActionPrivate));
}

static void
sync_bookmark_properties (GtkAction *action, EphyNode *bmk)
{
    const char *tmp, *location, *icon;
    char *title;
    gboolean smart_url;
    EphyBookmarks *bookmarks;
    EphyNode *smart_bmks;

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);
    smart_bmks = ephy_bookmarks_get_smart_bookmarks (bookmarks);

    icon = ephy_node_get_property_string
        (bmk, EPHY_NODE_BMK_PROP_ICON);
    location = ephy_node_get_property_string
        (bmk, EPHY_NODE_BMK_PROP_LOCATION);
    smart_url = ephy_node_has_child (smart_bmks, bmk);
    tmp = ephy_node_get_property_string
        (bmk, EPHY_NODE_BMK_PROP_TITLE);
    title = ephy_string_double_underscores (tmp);

    g_object_set (action,
              "label", title,
              "location", location,
              "smarturl", smart_url,
              "icon", icon,
              NULL);

    g_free (title);
}

static void
bookmarks_child_changed_cb (EphyNode *node,
                EphyNode *child,
                guint property_id,
                GtkAction *action)
{
    guint id;

    id = EPHY_BOOKMARK_ACTION (action)->priv->bookmark_id;

    if (id == ephy_node_get_id (child))
    {
        sync_bookmark_properties (action, child);
    }
}

static void
smart_child_added_cb (EphyNode *smart_bmks,
              EphyNode *child,
              EphyBookmarkAction *action)
{
    if (action->priv->bookmark_id == ephy_node_get_id (child))
    {
        g_object_set (action, "smarturl", TRUE, NULL);
    }
}

static void
smart_child_removed_cb (EphyNode *smart_bmks,
            EphyNode *child,
            guint old_index,
            EphyBookmarkAction *action)
{
    if (action->priv->bookmark_id == ephy_node_get_id (child))
    {
        g_object_set (action, "smarturl", FALSE, NULL);
    }
}

static void
ephy_bookmark_action_init (EphyBookmarkAction *action)
{
    EphyBookmarks *bookmarks;
    EphyNode *node;

    action->priv = EPHY_BOOKMARK_ACTION_GET_PRIVATE (action);

    action->priv->location = NULL;
    action->priv->icon = NULL;
    action->priv->cache_handler = 0;
    action->priv->motion_handler = 0;

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);
    node = ephy_bookmarks_get_bookmarks (bookmarks);
    ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_CHANGED,
                         (EphyNodeCallback) bookmarks_child_changed_cb,
                         G_OBJECT (action));
    node = ephy_bookmarks_get_smart_bookmarks (bookmarks);
    ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_ADDED,
                     (EphyNodeCallback) smart_child_added_cb,
                     G_OBJECT (action));
    ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_REMOVED,
                     (EphyNodeCallback) smart_child_removed_cb,
                     G_OBJECT (action));
}

GtkAction *
ephy_bookmark_action_new (const char *name, guint id)
{
    EphyNode *bmk;
    EphyBookmarks *bookmarks;
    GtkAction *action;

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);

    bmk = ephy_bookmarks_get_from_id (bookmarks, id);
    g_return_val_if_fail (bmk != NULL, NULL);

    action =  GTK_ACTION (g_object_new (EPHY_TYPE_BOOKMARK_ACTION,
                            "name", name,
                        "bookmark_id", id,
                        NULL));

    sync_bookmark_properties (action, bmk);

    return action;
}