path: root/src/ephy-home-action.c

/*
*  Copyright © 2004 Christian Persch
*
*  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-home-action.h"
#include "ephy-link.h"
#include "ephy-prefs.h"
#include "ephy-settings.h"
#include "ephy-gui.h"
#include "ephy-dnd.h"

#include <string.h>

#include <gtk/gtk.h>

#define INSANE_NUMBER_OF_URLS 20

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

G_DEFINE_TYPE (EphyHomeAction, ephy_home_action, EPHY_TYPE_LINK_ACTION)

static const GtkTargetEntry url_drag_types [] = 
{
    { EPHY_DND_URI_LIST_TYPE,   0, 0 },
    { EPHY_DND_URL_TYPE,        0, 1 }
};

static void
clipboard_text_received_cb (GtkClipboard *clipboard,
                const char *text,
                ClipboardCtx *ctx)
{
    if (ctx->weak_ptr != NULL && text != NULL)
    {
        ephy_link_open (EPHY_LINK (ctx->weak_ptr), text, NULL, ctx->flags);
    }

    if (ctx->weak_ptr != NULL)
    {
        GObject **object = &(ctx->weak_ptr);
        g_object_remove_weak_pointer (G_OBJECT (ctx->weak_ptr), 
                          (gpointer *)object);
    }

    g_free (ctx);
}

static void
ephy_home_action_with_clipboard (GtkAction *action,
                 EphyLinkFlags flags)
{
    ClipboardCtx *ctx;
    GObject **object;

    ctx = g_new (ClipboardCtx, 1);
    ctx->flags = flags;

    /* We need to make sure we know if the action is destroyed between
     * requesting the clipboard contents, and receiving them.
     */
    ctx->weak_ptr = G_OBJECT (action);
    object = &(ctx->weak_ptr);
    g_object_add_weak_pointer (ctx->weak_ptr, (gpointer *)object);

    gtk_clipboard_request_text
        (gtk_clipboard_get_for_display (gdk_display_get_default(), 
                            GDK_SELECTION_PRIMARY),
         (GtkClipboardTextReceivedFunc) clipboard_text_received_cb,
         ctx);

}

static void
ephy_home_action_open (GtkAction *action, 
               const char *address, 
               EphyLinkFlags flags)
{
    if (ephy_gui_is_middle_click ())
    {
        ephy_home_action_with_clipboard (action, flags);
    }
    else /* Left button */
    {
        ephy_link_open (EPHY_LINK (action),
                address != NULL && address[0] != '\0' ? address : "about:blank",
                NULL,
                flags);
    }
}

static void
action_name_association (GtkAction *action,
             char *action_name,
             char *address,
             gboolean is_drag_action)
{
    if (strcmp (action_name, "FileNewTab") == 0)
    {
        if (is_drag_action)
        {
            ephy_link_open (EPHY_LINK (action),
                    address, NULL,
                    EPHY_LINK_NEW_TAB | EPHY_LINK_JUMP_TO);
        }
        else
        {
            ephy_home_action_open (action, 
                           address, 
                           EPHY_LINK_NEW_TAB | EPHY_LINK_JUMP_TO);
        }
    }
    else if (strcmp (action_name, "FileNewWindow") == 0)
    {
        if (is_drag_action)
        {
            ephy_link_open (EPHY_LINK (action),
                    address, NULL,
                    EPHY_LINK_NEW_WINDOW);
        }
        else
        {
            ephy_home_action_open (action,
                           address,
                           EPHY_LINK_NEW_WINDOW);
        }
    }
    else if (strcmp (action_name, "GoHome") == 0)
    {
        ephy_link_open (EPHY_LINK (action),
                address != NULL && address[0] != '\0' ? address : "about:blank",
                NULL,
                ephy_link_flags_from_current_event ());
    }
}   

static void
ephy_home_action_activate (GtkAction *action)
{
    char *action_name;

    g_object_get (G_OBJECT (action), "name", &action_name, NULL);
        
    action_name_association (action, action_name, "about:blank", FALSE);

    g_free (action_name);
}

static void
home_action_drag_data_received_cb (GtkWidget* widget,
                   GdkDragContext *context,
                   gint x,
                   gint y,
                   GtkSelectionData *selection_data,
                   guint info,
                   guint time,
                   EphyHomeAction *action)
{
    GdkAtom       target;
    gchar        *action_name;
    const guchar *data;
    gint          length;
            
    g_object_get (action, "name", &action_name, NULL);
    
    g_signal_stop_emission_by_name (widget, "drag_data_received");

    length = gtk_selection_data_get_length (selection_data);
    data = gtk_selection_data_get_data (selection_data);
    target = gtk_selection_data_get_target (selection_data);

    if (length <= 0 || data == NULL) return;

    if (target == gdk_atom_intern (EPHY_DND_URL_TYPE, FALSE))
    {
        char **split;

        split = g_strsplit ((const gchar *) data, "\n", 2);
        if (split != NULL && split[0] != NULL && split[0][0] != '\0')
        {           
            action_name_association (GTK_ACTION (action), 
                         action_name, split[0], TRUE);
        }
        g_strfreev (split);
    }
    else if (target == gdk_atom_intern (EPHY_DND_URI_LIST_TYPE, FALSE))
    {
        char **uris;
        int i;
    
        uris = gtk_selection_data_get_uris (selection_data);
        if (uris == NULL) return;

        for (i = 0; uris[i] != NULL && i < INSANE_NUMBER_OF_URLS; i++)
        {
            action_name_association (GTK_ACTION (action),
                         action_name, uris[i], TRUE);
        }

        g_strfreev (uris);
    }
    else
    {
        char *text;
           
        text = (char *) gtk_selection_data_get_text (selection_data);
        if (text != NULL) 
        {           
            action_name_association (GTK_ACTION (action),
                         action_name, text, TRUE);
        }
    }
}

static void
connect_proxy (GtkAction *action,
           GtkWidget *proxy)
{
    GtkWidget *child;
    const gchar *action_name;
    
    GTK_ACTION_CLASS (ephy_home_action_parent_class)->connect_proxy (action, proxy);
    
    action_name = gtk_action_get_name (action);

    if (GTK_IS_TOOL_ITEM (proxy) && (strcmp (action_name, "GoHome") != 0))
    {
        child = gtk_bin_get_child (GTK_BIN (proxy));
        g_signal_connect (child, "drag-data-received",
                  G_CALLBACK (home_action_drag_data_received_cb), action);
        gtk_drag_dest_set (child,
                   GTK_DEST_DEFAULT_ALL,
                   url_drag_types, G_N_ELEMENTS (url_drag_types),
                   GDK_ACTION_MOVE | GDK_ACTION_COPY);
        gtk_drag_dest_add_text_targets (child);
    }
}

static void
disconnect_proxy (GtkAction *action,
          GtkWidget *proxy)
{
    g_signal_handlers_disconnect_by_func
        (proxy, G_CALLBACK (gtk_action_activate), action);

    GTK_ACTION_CLASS (ephy_home_action_parent_class)->disconnect_proxy (action, proxy);
}

static void
ephy_home_action_class_init (EphyHomeActionClass *class)
{
    GtkActionClass *action_class = GTK_ACTION_CLASS (class);
    
    action_class->activate = ephy_home_action_activate;
    action_class->connect_proxy = connect_proxy;
    action_class->disconnect_proxy = disconnect_proxy;
}

static void
ephy_home_action_init (EphyHomeAction *action)
{
        /* Empty, needed for G_DEFINE_TYPE macro */
}