path: root/src/window-commands.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Copyright © 2000-2004 Marco Pesenti Gritti
 *  Copyright © 2009 Collabora Ltd.
 *  Copyright © 2011 Igalia S.L.
 *
 *  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 "window-commands.h"

#include "ephy-bookmarks-editor.h"
#include "ephy-bookmarks-ui.h"
#include "ephy-debug.h"
#include "ephy-dialog.h"
#include "ephy-embed-container.h"
#include "ephy-embed-prefs.h"
#include "ephy-embed-shell.h"
#include "ephy-embed-single.h"
#include "ephy-embed-utils.h"
#include "ephy-embed.h"
#include "ephy-file-chooser.h"
#include "ephy-file-helpers.h"
#include "ephy-find-toolbar.h"
#include "ephy-gui.h"
#include "ephy-history-window.h"
#include "ephy-link.h"
#include "ephy-location-entry.h"
#include "ephy-notebook.h"
#include "ephy-prefs.h"
#include "ephy-private.h"
#include "ephy-settings.h"
#include "ephy-shell.h"
#include "ephy-state.h"
#include "ephy-string.h"
#include "ephy-web-app-utils.h"
#include "ephy-zoom.h"
#include "pdm-dialog.h"

#include <gio/gio.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <libnotify/notify.h>
#include <string.h>
#include <webkit/webkit.h>

void
window_cmd_file_print (GtkAction *action,
               EphyWindow *window)
{
    EphyEmbed *embed;
    EphyWebView *view;

    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (EPHY_IS_EMBED (embed));
    view = ephy_embed_get_web_view (embed);

    ephy_web_view_print (view);
}

void
window_cmd_file_send_to (GtkAction *action,
             EphyWindow *window)
{
    EphyEmbed *embed;
    char *command, *subject, *body;
    const char *location, *title;
    GdkScreen *screen;
    GError *error = NULL;

    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    location = ephy_web_view_get_address (ephy_embed_get_web_view (embed));
    title = ephy_web_view_get_title (ephy_embed_get_web_view (embed));

    subject = g_uri_escape_string (title, NULL, TRUE);
    body = g_uri_escape_string (location, NULL, TRUE);

    command = g_strconcat ("mailto:",
                   "?Subject=", subject,
                   "&Body=", body, NULL);

    g_free (subject);
    g_free (body);

    if (window)
    {
        screen = gtk_widget_get_screen (GTK_WIDGET (window));
    }
    else
    {
        screen = gdk_screen_get_default ();
    }
    
    if (!gtk_show_uri (screen, command, gtk_get_current_event_time(), &error)) 
    {
            g_warning ("Unable to send link by email: %s\n", error->message);
            g_error_free (error);
    }

    g_free (command);
}

static gboolean
event_with_shift (void)
{
    GdkEvent *event;
    GdkEventType type = 0;
    guint state = 0;

    event = gtk_get_current_event ();
    if (event)
    {
        type = event->type;

        if (type == GDK_BUTTON_RELEASE)
        {
            state = event->button.state; 
        }
        else if (type == GDK_KEY_PRESS || type == GDK_KEY_RELEASE)
        {
            state = event->key.state;
        }

        gdk_event_free (event);
    }

    return (state & GDK_SHIFT_MASK) != 0;
}

void
window_cmd_go_location (GtkAction *action,
                EphyWindow *window)
{
    ephy_window_activate_location (window);
}

void
window_cmd_view_stop (GtkAction *action,
              EphyWindow *window)
{
    EphyEmbed *embed;
    
    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    gtk_widget_grab_focus (GTK_WIDGET (embed));

    webkit_web_view_stop_loading (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));
}

void
window_cmd_view_reload (GtkAction *action,
                EphyWindow *window)
{
    EphyEmbed *embed;
    WebKitWebView *view;

    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    gtk_widget_grab_focus (GTK_WIDGET (embed));

    view = EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed);
    if (event_with_shift ())
        webkit_web_view_reload_bypass_cache (view);
    else
        webkit_web_view_reload (view);
}

void
window_cmd_file_bookmark_page (GtkAction *action,
                   EphyWindow *window)
{
    EphyEmbed *embed;

    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    ephy_bookmarks_ui_add_bookmark (GTK_WINDOW (window),
                    ephy_web_view_get_address (ephy_embed_get_web_view (embed)),
                    ephy_web_view_get_title (ephy_embed_get_web_view (embed)));
}

static void
open_response_cb (GtkDialog *dialog, int response, EphyWindow *window)
{
    if (response == GTK_RESPONSE_ACCEPT)
    {
        char *uri, *converted;

        uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
        if (uri != NULL)
        {
            converted = g_filename_to_utf8 (uri, -1, NULL, NULL, NULL);
    
            if (converted != NULL)
            {
                ephy_window_load_url (window, converted);
            }
    
            g_free (converted);
            g_free (uri);
            }
    }

    gtk_widget_destroy (GTK_WIDGET (dialog));
}

static void
save_response_cb (GtkDialog *dialog, int response, EphyEmbed *embed)
{
    if (response == GTK_RESPONSE_ACCEPT)
    {
        char *uri, *converted;

        uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
        if (uri != NULL)
        {
            converted = g_filename_to_utf8 (uri, -1, NULL, NULL, NULL);

            if (converted != NULL)
            {
                EphyWebView *web_view = ephy_embed_get_web_view (embed);
                ephy_web_view_save (web_view, converted);
            }

            g_free (converted);
            g_free (uri);
            }
    }

    gtk_widget_destroy (GTK_WIDGET (dialog));
}

void
window_cmd_file_open (GtkAction *action,
              EphyWindow *window)
{
    EphyFileChooser *dialog;

    dialog = ephy_file_chooser_new (_("Open"),
                    GTK_WIDGET (window),
                    GTK_FILE_CHOOSER_ACTION_OPEN,
                    EPHY_PREFS_STATE_OPEN_DIR,
                    EPHY_FILE_FILTER_ALL_SUPPORTED);

    g_signal_connect (dialog, "response",
              G_CALLBACK (open_response_cb), window);

    gtk_widget_show (GTK_WIDGET (dialog));
}

static char *
get_suggested_filename (EphyWebView *view)
{
    char *suggested_filename;
    const char *mimetype;
    WebKitWebFrame *frame;
    WebKitWebDataSource *data_source;
    WebKitWebResource *web_resource;

    frame = webkit_web_view_get_main_frame (WEBKIT_WEB_VIEW (view));
    data_source = webkit_web_frame_get_data_source (frame);
    web_resource = webkit_web_data_source_get_main_resource (data_source);
    mimetype = webkit_web_resource_get_mime_type (web_resource);

    if ((g_ascii_strncasecmp (mimetype, "text/html", 9)) == 0)
    {
        /* Web Title will be used as suggested filename*/
        suggested_filename = g_strconcat (ephy_web_view_get_title (view), ".html", NULL);
    }
    else
    {
        SoupURI *soup_uri = soup_uri_new (webkit_web_resource_get_uri (web_resource));
        suggested_filename = g_path_get_basename (soup_uri->path);
        soup_uri_free (soup_uri);
    }

    return suggested_filename;
}

void
window_cmd_file_save_as (GtkAction *action,
             EphyWindow *window)
{
    EphyEmbed *embed;
    EphyFileChooser *dialog;
    char *suggested_filename;
    EphyWebView *view;

    embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    dialog = ephy_file_chooser_new (_("Save"),
                    GTK_WIDGET (window),
                    GTK_FILE_CHOOSER_ACTION_SAVE,
                    EPHY_PREFS_STATE_SAVE_DIR,
                    EPHY_FILE_FILTER_NONE);

    gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE);

    view = ephy_embed_get_web_view (embed);
    suggested_filename = get_suggested_filename (view);

    gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), suggested_filename);
    g_free (suggested_filename);

    g_signal_connect (dialog, "response",
              G_CALLBACK (save_response_cb), embed);

    gtk_widget_show (GTK_WIDGET (dialog));
}

typedef struct {
    EphyWebView *view;
    GtkWidget *image;
    GtkWidget *entry;
    GtkWidget *spinner;
    GtkWidget *box;
    char *icon_href;
} EphyApplicationDialogData;

static void
ephy_application_dialog_data_free (EphyApplicationDialogData *data)
{
    g_free (data->icon_href);
    g_slice_free (EphyApplicationDialogData, data);
}

static void
take_page_snapshot_and_set_image (EphyApplicationDialogData *data)
{
    GdkPixbuf *snapshot;
    int x, y, w, h;

    x = y = 0;
    w = h = 128; /* GNOME hi-res icon size. */

    snapshot = ephy_web_view_get_snapshot (data->view, x, y, w, h);

    gtk_image_set_from_pixbuf (GTK_IMAGE (data->image), snapshot);
    g_object_unref (snapshot);
}

static void
download_status_changed_cb (WebKitDownload *download,
                GParamSpec *spec,
                EphyApplicationDialogData *data)
{
    WebKitDownloadStatus status = webkit_download_get_status (download);
    const char *destination;

    switch (status)
    {
    case WEBKIT_DOWNLOAD_STATUS_FINISHED:
        destination = g_filename_from_uri (webkit_download_get_destination_uri (download),
                           NULL, NULL);
        gtk_image_set_from_file (GTK_IMAGE (data->image), destination);
        break;
    case WEBKIT_DOWNLOAD_STATUS_ERROR:
    case WEBKIT_DOWNLOAD_STATUS_CANCELLED:
        /* Something happened, default to a page snapshot. */
        take_page_snapshot_and_set_image (data);
        break;
    default:
        break;
    }
}

static void
download_icon_and_set_image (EphyApplicationDialogData *data)
{
    WebKitNetworkRequest *request;
    WebKitDownload *download;
    char *destination, *destination_uri, *tmp_filename;

    request = webkit_network_request_new (data->icon_href);
    download = webkit_download_new (request);
    g_object_unref (request);

    tmp_filename = ephy_file_tmp_filename ("ephy-download-XXXXXX", NULL);
    destination = g_build_filename (ephy_file_tmp_dir (), tmp_filename, NULL);
    destination_uri = g_filename_to_uri (destination, NULL, NULL);
    webkit_download_set_destination_uri (download, destination_uri);
    g_free (destination);
    g_free (destination_uri);
    g_free (tmp_filename);

    g_signal_connect (download, "notify::status",
              G_CALLBACK (download_status_changed_cb), data);

    webkit_download_start (download);   
}

static void
fill_default_application_image (EphyApplicationDialogData *data)
{
    WebKitDOMDocument *document;
    WebKitDOMNodeList *links;
    gulong length, i;

    document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (data->view));
    links = webkit_dom_document_get_elements_by_tag_name (document, "link");
    length = webkit_dom_node_list_get_length (links);

    for (i = 0; i < length; i++)
    {
        char *rel;
        WebKitDOMNode *node = webkit_dom_node_list_item (links, i);
        rel = webkit_dom_html_link_element_get_rel (WEBKIT_DOM_HTML_LINK_ELEMENT (node));
        /* TODO: support more than one possible icon. */
        if (g_strcmp0 (rel, "apple-touch-icon") == 0 ||
            g_strcmp0 (rel, "apple-touch-icon-precomposed") == 0)
        {
            data->icon_href = webkit_dom_html_link_element_get_href (WEBKIT_DOM_HTML_LINK_ELEMENT (node));
            download_icon_and_set_image (data);
            g_free (rel);
            return;
        }
    }

    /* If we make it here, no "apple-touch-icon" link was
     * found. Take a snapshot of the page. */
    take_page_snapshot_and_set_image (data);
}

static void
fill_default_application_title (EphyApplicationDialogData *data)
{
    const char *title = ephy_web_view_get_title (data->view);
    gtk_entry_set_text (GTK_ENTRY (data->entry), title);
}

static void
notify_launch_cb (NotifyNotification *notification,
          char *action,
          gpointer user_data)
{
    char * desktop_file = user_data;
    /* A gross hack to be able to launch epiphany from within
     * Epiphany. Might be a good idea to figure out a better
     * solution... */
    g_unsetenv (EPHY_UUID_ENVVAR);
    ephy_file_launch_desktop_file (desktop_file, NULL, 0, NULL);
    g_free (desktop_file);
}

static gboolean
confirm_web_application_overwrite (GtkWindow *parent, const char *title)
{
  GtkResponseType response;
  GtkWidget *dialog;

  dialog = gtk_message_dialog_new (parent, 0,
                   GTK_MESSAGE_QUESTION,
                   GTK_BUTTONS_NONE,
                   _("A web application named '%s' already exists. Do you want to replace it?"),
                   title);
  gtk_dialog_add_buttons (GTK_DIALOG (dialog),
              _("Cancel"),
              GTK_RESPONSE_CANCEL,
              _("Replace"),
              GTK_RESPONSE_OK,
              NULL);
  gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                                            _("An application with the same name already exists. Replacing it will "
                          "overwrite it."));
  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);
  response = gtk_dialog_run (GTK_DIALOG (dialog));

  gtk_widget_destroy (dialog);

  return response == GTK_RESPONSE_OK;
}

static void
dialog_save_as_application_response_cb (GtkDialog *dialog,
                    gint response,
                    EphyApplicationDialogData *data)
{
    const char *app_name;
    char *desktop_file;
    char *message;
    NotifyNotification *notification;

    if (response == GTK_RESPONSE_OK) {
        app_name = gtk_entry_get_text (GTK_ENTRY (data->entry));

        if (ephy_web_application_exists (app_name))
        {
            if (confirm_web_application_overwrite (GTK_WINDOW (dialog), app_name))
                ephy_web_application_delete (app_name);
            else
                return;
        }

        /* Create Web Application, including a new profile and .desktop file. */
        desktop_file = ephy_web_application_create (webkit_web_view_get_uri (WEBKIT_WEB_VIEW (data->view)),
                                app_name,
                                gtk_image_get_pixbuf (GTK_IMAGE (data->image)));
        if (desktop_file)
            message = g_strdup_printf (_("The application '%s' is ready to be used"),
                           app_name);
        else
            message = g_strdup_printf (_("The application '%s' could not be created"),
                           app_name);

        notification = notify_notification_new (message,
                            NULL, NULL);
        g_free (message);

        if (desktop_file) {
            notify_notification_add_action (notification, "launch", _("Launch"),
                            (NotifyActionCallback)notify_launch_cb,
                            g_path_get_basename (desktop_file),
                            NULL);
            notify_notification_set_icon_from_pixbuf (notification, gtk_image_get_pixbuf (GTK_IMAGE (data->image)));
            g_free (desktop_file);
        }

        notify_notification_set_timeout (notification, NOTIFY_EXPIRES_DEFAULT);
        notify_notification_set_urgency (notification, NOTIFY_URGENCY_LOW);
        notify_notification_set_hint (notification, "transient", g_variant_new_boolean (TRUE));
        notify_notification_show (notification, NULL);
    }

    ephy_application_dialog_data_free (data);
    gtk_widget_destroy (GTK_WIDGET (dialog));
}

void
window_cmd_file_save_as_application (GtkAction *action,
                     EphyWindow *window)
{
    EphyEmbed *embed;
    GtkWidget *dialog, *box, *image, *entry, *content_area;
    EphyWebView *view;
    EphyApplicationDialogData *data;

    embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    view = EPHY_WEB_VIEW (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));

    /* Show dialog with icon, title. */
    dialog = gtk_dialog_new_with_buttons (_("Create Web Application"),
                          GTK_WINDOW (window),
                          0,
                          GTK_STOCK_CANCEL,
                          GTK_RESPONSE_CANCEL,
                          _("C_reate"),
                          GTK_RESPONSE_OK,
                          NULL);

    content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
    gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
    gtk_box_set_spacing (GTK_BOX (content_area), 14); /* 14 + 2 * 5 = 24 */

    box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
    gtk_container_add (GTK_CONTAINER (content_area), box);

    image = gtk_image_new ();
    gtk_widget_set_size_request (image, 128, 128);
    gtk_container_add (GTK_CONTAINER (box), image);

    entry = gtk_entry_new ();
    gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
    gtk_box_pack_end (GTK_BOX (box), entry, FALSE, FALSE, 0);

    data = g_slice_new0 (EphyApplicationDialogData);
    data->view = view;
    data->image = image;
    data->entry = entry;

    fill_default_application_image (data);
    fill_default_application_title (data);

    gtk_widget_show_all (dialog);

    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
    g_signal_connect (dialog, "response",
              G_CALLBACK (dialog_save_as_application_response_cb),
              data);
    gtk_widget_show_all (dialog);
}

void
window_cmd_file_work_offline (GtkAction *action,
                      EphyWindow *window)
{
        /* TODO: WebKitGTK+ does not currently support offline status. */
#if 0
    EphyEmbedSingle *single;
    gboolean offline;

    single = EPHY_EMBED_SINGLE (ephy_embed_shell_get_embed_single (embed_shell));
    offline = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
    ephy_embed_single_set_network_status (single, !offline);
#endif
}

void
window_cmd_file_close_window (GtkAction *action,
                      EphyWindow *window)
{
    GtkWidget *notebook;
    EphyEmbed *embed;

    notebook = ephy_window_get_notebook (window);

    if (g_settings_get_boolean (EPHY_SETTINGS_LOCKDOWN,
                    EPHY_PREFS_LOCKDOWN_QUIT) &&
        gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) == 1)
    {
        return;
    }

    embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    g_signal_emit_by_name (notebook, "tab-close-request", embed);
}

void
window_cmd_edit_undo (GtkAction *action,
              EphyWindow *window)
{
    GtkWidget *widget;
    GtkWidget *embed;
    GtkWidget *location_entry;

    widget = gtk_window_get_focus (GTK_WINDOW (window));
    location_entry = gtk_widget_get_ancestor (widget, EPHY_TYPE_LOCATION_ENTRY);
    
    if (location_entry)
    {
        ephy_location_entry_reset (EPHY_LOCATION_ENTRY (location_entry));
    }
    else 
    {
        embed = gtk_widget_get_ancestor (widget, EPHY_TYPE_EMBED);

        if (embed)
        {
            webkit_web_view_undo (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (EPHY_EMBED (embed)));
        }
    }
}

void
window_cmd_edit_redo (GtkAction *action,
              EphyWindow *window)
{
    GtkWidget *widget;
    GtkWidget *embed;
    GtkWidget *location_entry;

    widget = gtk_window_get_focus (GTK_WINDOW (window));
    location_entry = gtk_widget_get_ancestor (widget, EPHY_TYPE_LOCATION_ENTRY);
    
    if (location_entry)
    {
        ephy_location_entry_undo_reset (EPHY_LOCATION_ENTRY (location_entry));
    }
    else
    {
        embed = gtk_widget_get_ancestor (widget, EPHY_TYPE_EMBED);
        if (embed)
        {
            webkit_web_view_redo (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (EPHY_EMBED (embed)));
        }
    }
}
void
window_cmd_edit_cut (GtkAction *action,
             EphyWindow *window)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_cut_clipboard (GTK_EDITABLE (widget));
    }
    else
    {
        EphyEmbed *embed;
        embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
        g_return_if_fail (embed != NULL);

        webkit_web_view_cut_clipboard (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));
    }
}

void
window_cmd_edit_copy (GtkAction *action,
              EphyWindow *window)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_copy_clipboard (GTK_EDITABLE (widget));
    }
    else
    {
        EphyEmbed *embed;

        embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
        g_return_if_fail (embed != NULL);

        webkit_web_view_copy_clipboard (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));
    }
}

void
window_cmd_edit_paste (GtkAction *action,
               EphyWindow *window)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_paste_clipboard (GTK_EDITABLE (widget));
    }
    else
    {
        EphyEmbed *embed;

        embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
        g_return_if_fail (embed != NULL);

        webkit_web_view_paste_clipboard (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));
    }
}

void
window_cmd_edit_delete (GtkAction *action,
            EphyWindow *window)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_delete_text (GTK_EDITABLE (widget), 0, -1);
    }
    else
    {
        EphyEmbed *embed;

        embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
        g_return_if_fail (embed != NULL);

        /* FIXME: TODO */
#if 0
        ephy_command_manager_do_command (EPHY_COMMAND_MANAGER (embed),
                         "cmd_delete");
#endif
    }
}

void
window_cmd_edit_select_all (GtkAction *action,
                EphyWindow *window)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_select_region (GTK_EDITABLE (widget), 0, -1);
    }
    else
    {
        EphyEmbed *embed;

        embed = ephy_embed_container_get_active_child 
                  (EPHY_EMBED_CONTAINER (window));
        g_return_if_fail (embed != NULL);

        webkit_web_view_select_all (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed));
    }
}

void
window_cmd_edit_find (GtkAction *action,
              EphyWindow *window)
{
    EphyFindToolbar *toolbar;
    
    toolbar = EPHY_FIND_TOOLBAR (ephy_window_get_find_toolbar (window));
    ephy_find_toolbar_open (toolbar, FALSE, FALSE);
}

void
window_cmd_edit_find_next (GtkAction *action,
               EphyWindow *window)
{
    EphyFindToolbar *toolbar;

    toolbar = EPHY_FIND_TOOLBAR (ephy_window_get_find_toolbar (window));
    ephy_find_toolbar_find_next (toolbar);
}

void
window_cmd_edit_find_prev (GtkAction *action,
               EphyWindow *window)
{
    EphyFindToolbar *toolbar;

    toolbar = EPHY_FIND_TOOLBAR (ephy_window_get_find_toolbar (window));
    ephy_find_toolbar_find_previous (toolbar);
}

void
window_cmd_view_fullscreen (GtkAction *action,
                EphyWindow *window)
{
    if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)))
    {
        GtkWidget *toolbar_editor;
        toolbar_editor = GTK_WIDGET (g_object_get_data (G_OBJECT (window),
                                "EphyToolbarEditor"));
        if (toolbar_editor != NULL)
        {
            /* We don't want the toolbar editor to show
             * while in fullscreen.
             */
            gtk_dialog_response (GTK_DIALOG (toolbar_editor),
                         GTK_RESPONSE_DELETE_EVENT);
        }
        gtk_window_fullscreen (GTK_WINDOW (window));
    }
    else
    {
        gtk_window_unfullscreen (GTK_WINDOW (window));
    }
}

void
window_cmd_view_zoom_in (GtkAction *action,
             EphyWindow *window)
{
    ephy_window_set_zoom (window, ZOOM_IN);
}

void
window_cmd_view_zoom_out (GtkAction *action,
              EphyWindow *window)
{
    ephy_window_set_zoom (window, ZOOM_OUT);
}

void
window_cmd_view_zoom_normal (GtkAction *action,
                 EphyWindow *window)
{
    ephy_window_set_zoom (window, 1.0);
}

static void
view_source_embedded (const char *uri, EphyEmbed *embed)
{
    EphyEmbed *new_embed;

    new_embed = ephy_shell_new_tab
            (ephy_shell_get_default (),
             EPHY_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (embed))),
             embed,
             NULL,
             EPHY_NEW_TAB_JUMP | EPHY_NEW_TAB_IN_EXISTING_WINDOW | EPHY_NEW_TAB_APPEND_AFTER);

    webkit_web_view_set_view_source_mode
        (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (new_embed), TRUE);
    webkit_web_view_load_uri
        (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (new_embed), uri);
}


static void
save_temp_source_close_cb (GOutputStream *ostream, GAsyncResult *result, gpointer data)
{
    char *uri;
    GFile *file;
    GError *error = NULL;

    g_output_stream_close_finish (ostream, result, &error);
    if (error)
    {
        g_warning ("Unable to close file: %s", error->message);
        g_error_free (error);
        return;
    }

    uri = (char*)g_object_get_data (G_OBJECT (ostream), "ephy-save-temp-source-uri");

    file = g_file_new_for_uri (uri);

    if (!ephy_file_launch_handler ("text/plain", file, gtk_get_current_event_time ()))
    {
        /* Fallback to view the source inside the browser */
        const char *uri;
        EphyEmbed *embed;

        uri = (const char*) g_object_get_data (G_OBJECT (ostream),
                               "ephy-original-source-uri");
        embed = (EphyEmbed*)g_object_get_data (G_OBJECT (ostream),
                               "ephy-save-temp-source-embed");
        view_source_embedded (uri, embed);
    }
    g_object_unref (ostream);

    g_object_unref (file);
}

static void
save_temp_source_write_cb (GOutputStream *ostream, GAsyncResult *result, GString *data)
{
    GError *error = NULL;
    gssize written;

    written = g_output_stream_write_finish (ostream, result, &error);
    if (error)
    {
        g_string_free (data, TRUE);
        g_warning ("Unable to write to file: %s", error->message);
        g_error_free (error);

        g_output_stream_close_async (ostream, G_PRIORITY_DEFAULT, NULL,
                         (GAsyncReadyCallback)save_temp_source_close_cb,
                         NULL);

        return;
    }

    if (written == data->len)
    {
        g_string_free (data, TRUE);

        g_output_stream_close_async (ostream, G_PRIORITY_DEFAULT, NULL,
                         (GAsyncReadyCallback)save_temp_source_close_cb,
                         NULL);

        return;
    }

    data->len -= written;
    data->str += written;

    g_output_stream_write_async (ostream,
                     data->str, data->len,
                     G_PRIORITY_DEFAULT, NULL,
                     (GAsyncReadyCallback)save_temp_source_write_cb,
                     data);
}

static void
save_temp_source_replace_cb (GFile *file, GAsyncResult *result, EphyEmbed *embed)
{
    EphyWebView *view;
    WebKitWebFrame *frame;
    WebKitWebDataSource *data_source;
    GString *const_data;
    GString *data;
    GFileOutputStream *ostream;
    GError *error = NULL;

    ostream = g_file_replace_finish (file, result, &error);
    if (error)
    {
        g_warning ("Unable to replace file: %s", error->message);
        g_error_free (error);
        return;
    }

    g_object_set_data_full (G_OBJECT (ostream),
                "ephy-save-temp-source-uri",
                g_file_get_uri (file),
                g_free);

    view = ephy_embed_get_web_view (embed);

    g_object_set_data_full (G_OBJECT (ostream),
                "ephy-original-source-uri",
                g_strdup (webkit_web_view_get_uri (WEBKIT_WEB_VIEW (view))),
                g_free),

    g_object_set_data_full (G_OBJECT (ostream),
                "ephy-save-temp-source-embed",
                g_object_ref (embed),
                g_object_unref);

    frame = webkit_web_view_get_main_frame (WEBKIT_WEB_VIEW (view));
    data_source = webkit_web_frame_get_data_source (frame);
    const_data = webkit_web_data_source_get_data (data_source);

    /* We create a new GString here because we need to make sure
     * we keep writing in case of partial writes */
    if (const_data)
        data = g_string_new_len (const_data->str, const_data->len);
    else
        data = g_string_new_len ("", 0);

    g_output_stream_write_async (G_OUTPUT_STREAM (ostream),
                     data->str, data->len,
                     G_PRIORITY_DEFAULT, NULL,
                     (GAsyncReadyCallback)save_temp_source_write_cb,
                     data);
}

static void
save_temp_source (EphyEmbed *embed,
          guint32 user_time)
{
    GFile *file;
    char *tmp, *base;
    const char *static_temp_dir;

    static_temp_dir = ephy_file_tmp_dir ();
    if (static_temp_dir == NULL)
    {
        return;
    }

    base = g_build_filename (static_temp_dir, "viewsourceXXXXXX", NULL);
    tmp = ephy_file_tmp_filename (base, "html");
    g_free (base);
    if (tmp == NULL)
    {
        return;
    }

    file = g_file_new_for_path (tmp);
    g_file_replace_async (file, NULL, FALSE,
                  G_FILE_CREATE_REPLACE_DESTINATION|G_FILE_CREATE_PRIVATE,
                  G_PRIORITY_DEFAULT, NULL,
                  (GAsyncReadyCallback)save_temp_source_replace_cb,
                  embed);

    g_object_unref (file);
    g_free (tmp);
}

void
window_cmd_view_page_source (GtkAction *action,
                 EphyWindow *window)
{
    EphyEmbed *embed;
    const char *address;
    guint32 user_time;

    embed = ephy_embed_container_get_active_child 
          (EPHY_EMBED_CONTAINER (window));
    g_return_if_fail (embed != NULL);

    address = ephy_web_view_get_address (ephy_embed_get_web_view (embed));

    if (g_settings_get_boolean (EPHY_SETTINGS_MAIN,
                    EPHY_PREFS_INTERNAL_VIEW_SOURCE))
    {
        view_source_embedded (address, embed);
        return;
    }

    user_time = gtk_get_current_event_time ();

    if (g_str_has_prefix (address, "file://"))
    {
        GFile *file;
        
        file = g_file_new_for_uri (address);
        ephy_file_launch_handler ("text/plain", file, user_time);
        
        g_object_unref (file);
    }
    else
    {
        save_temp_source (embed, user_time);
    }
}

#define ABOUT_GROUP "About"

void
window_cmd_help_about (GtkAction *action,
               GtkWidget *window)
{
    const char *licence_part[] = {
        N_("Web 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."),
        N_("The GNOME Web Browser 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."),
        N_("You should have received a copy of the GNU General Public License "
           "along with the GNOME Web Browser; if not, write to the Free Software Foundation, Inc., "
           "51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA")
    };

    char *licence, *comments;
    GKeyFile *key_file;
    GError *error = NULL;
    char **list, **authors, **contributors, **past_authors, **artists, **documenters;
    gsize n_authors, n_contributors, n_past_authors, n_artists, n_documenters, i, j;

    key_file = g_key_file_new ();
    if (!g_key_file_load_from_file (key_file, DATADIR G_DIR_SEPARATOR_S "about.ini",
                        0, &error))
    {
        g_warning ("Couldn't load about data: %s\n", error->message);
        g_error_free (error);
        return;
    }

    list = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Authors",
                       &n_authors, NULL);
    contributors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Contributors",
                           &n_contributors, NULL);
    past_authors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "PastAuthors",
                           &n_past_authors, NULL);

#define APPEND(_to,_from) \
    _to[i++] = g_strdup (_from);

#define APPEND_STRV_AND_FREE(_to,_from) \
    if (_from)\
    {\
        for (j = 0; _from[j] != NULL; ++j)\
        {\
            _to[i++] = _from[j];\
        }\
        g_free (_from);\
    }

    authors = g_new (char *, (list ? n_authors : 0) +
                 (contributors ? n_contributors : 0) +
                 (past_authors ? n_past_authors : 0) + 7 + 1);
    i = 0;
    APPEND_STRV_AND_FREE (authors, list);
    APPEND (authors, "");
    APPEND (authors, _("Contact us at:"));
    APPEND (authors, "<epiphany-list@gnome.org>");
    APPEND (authors, "");
    APPEND (authors, _("Contributors:"));
    APPEND_STRV_AND_FREE (authors, contributors);
    APPEND (authors, "");
    APPEND (authors, _("Past developers:"));
    APPEND_STRV_AND_FREE (authors, past_authors);
    authors[i++] = NULL;

    list = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Artists", &n_artists, NULL);

    artists = g_new (char *, (list ? n_artists : 0) + 4 + 1);
    i = 0;
    APPEND_STRV_AND_FREE (artists, list);
    APPEND (artists, "");
    APPEND (artists, _("Contact us at:"));
    APPEND (artists, "<gnome-art-list@gnome.org>");
    APPEND (artists, "<gnome-themes-list@gnome.org>");
    artists[i++] = NULL;
    
    list = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Documenters", &n_documenters, NULL);

    documenters = g_new (char *, (list ? n_documenters : 0) + 3 + 1);
    i = 0;
    APPEND_STRV_AND_FREE (documenters, list);
    APPEND (documenters, "");
    APPEND (documenters, _("Contact us at:"));
    APPEND (documenters, "<gnome-doc-list@gnome.org>");
    documenters[i++] = NULL;
    
#undef APPEND
#undef APPEND_STRV_AND_FREE

    g_key_file_free (key_file);

    comments = g_strdup_printf (_("Lets you view web pages and find information on the internet.\n"
                                  "Powered by WebKit %d.%d.%d"),
                                webkit_major_version (),
                                webkit_minor_version (),
                                webkit_micro_version ());

    licence = g_strjoin ("\n\n",
                 _(licence_part[0]),
                 _(licence_part[1]),
                 _(licence_part[2]),
                NULL);

    gtk_show_about_dialog (window ? GTK_WINDOW (window) : NULL,
                   "program-name", _("Web"),
                   "version", VERSION,
                   "copyright", "Copyright © 2002–2004 Marco Pesenti Gritti\n"
                                "Copyright © 2003–2012 The Web Developers",
                   "artists", artists,
                   "authors", authors,
                   "comments", comments,
                   "documenters", documenters,
                   /* Translators: This is a special message that shouldn't be translated
                    * literally. It is used in the about box to give credits to
                    * the translators.
                    * Thus, you should translate it to your name and email address.
                    * You should also include other translators who have contributed to
                    * this translation; in that case, please write each of them on a separate
                    * line seperated by newlines (\n).
                    */
                   "translator-credits", _("translator-credits"),
                   "logo-icon-name", "web-browser",
                   "website", "http://www.gnome.org/projects/epiphany",
                   "website-label", _("Web Website"),
                   "license", licence,
                   "wrap-license", TRUE,
                   NULL);

    g_free (comments);
    g_free (licence);
    g_strfreev (artists);
    g_strfreev (authors);
    g_strfreev (documenters);
}

void
window_cmd_tabs_next (GtkAction *action,
              EphyWindow *window)
{
    GtkNotebook *nb;
    gboolean handled;

    nb = GTK_NOTEBOOK (ephy_window_get_notebook (window));
    g_return_if_fail (nb != NULL);

    g_signal_emit_by_name (nb, "change-current-page", 1, &handled);
}

void
window_cmd_tabs_previous (GtkAction *action,
              EphyWindow *window)
{
    GtkNotebook *nb;
    gboolean handled;

    nb = GTK_NOTEBOOK (ephy_window_get_notebook (window));
    g_return_if_fail (nb != NULL);

    g_signal_emit_by_name (nb, "change-current-page", -1, &handled);
}

void
window_cmd_tabs_move_left  (GtkAction *action,
                EphyWindow *window)
{
    GtkWidget *child;
    GtkNotebook *notebook;
    int page;

    notebook = GTK_NOTEBOOK (ephy_window_get_notebook (window));
    page = gtk_notebook_get_current_page (notebook);
    if (page < 1) return;

    child = gtk_notebook_get_nth_page (notebook, page);
    gtk_notebook_reorder_child (notebook, child, page - 1);
}

void window_cmd_tabs_move_right (GtkAction *action,
                 EphyWindow *window)
{
    GtkWidget *child;
    GtkNotebook *notebook;
    int page, n_pages;

    notebook = GTK_NOTEBOOK (ephy_window_get_notebook (window));
    page = gtk_notebook_get_current_page (notebook);
    n_pages = gtk_notebook_get_n_pages (notebook) - 1;
    if (page > n_pages - 1) return;

    child = gtk_notebook_get_nth_page (notebook, page);
    gtk_notebook_reorder_child (notebook, child, page + 1);
}

void
window_cmd_tabs_detach  (GtkAction *action,
             EphyWindow *window)
{
        EphyEmbed *embed;
        GtkNotebook *notebook;
        EphyWindow *new_window;

        notebook = GTK_NOTEBOOK (ephy_window_get_notebook (window));
        if (gtk_notebook_get_n_pages (notebook) <= 1)
                return;

        embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));

        g_object_ref_sink (embed);
        gtk_notebook_remove_page (notebook, gtk_notebook_page_num (notebook, GTK_WIDGET (embed)));

        new_window = ephy_window_new ();
        ephy_embed_container_add_child (EPHY_EMBED_CONTAINER (new_window), embed, 0, FALSE);
        g_object_unref (embed);

        gtk_window_present (GTK_WINDOW (new_window));
}

void
window_cmd_load_location (GtkAction *action,
              EphyWindow *window)
{
    const char *location;

    location = ephy_window_get_location (window);

    if (location)
    {
        EphyBookmarks *bookmarks;
        char *address;

        bookmarks = ephy_shell_get_bookmarks (ephy_shell_get_default ());

        address = ephy_bookmarks_resolve_address (bookmarks, location, NULL);
        g_return_if_fail (address != NULL);

        ephy_link_open (EPHY_LINK (window), address,
                    ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window)),
                ephy_link_flags_from_current_event ());
    }
}

void
window_cmd_browse_with_caret (GtkAction *action,
                  EphyWindow *window)
{
    gboolean active;
    EphyEmbed *embed;

    embed = ephy_embed_container_get_active_child 
        (EPHY_EMBED_CONTAINER (window));
    
    active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));

    /* FIXME: perhaps a bit of a kludge; we check if there's an
     * active embed because we don't want to show the dialog on
     * startup when we sync the GtkAction with our GConf
     * preference */
    if (active && embed)
    {
        GtkWidget *dialog;
        int response;

        dialog = gtk_message_dialog_new (GTK_WINDOW (window),
                         GTK_DIALOG_DESTROY_WITH_PARENT,
                         GTK_MESSAGE_QUESTION, GTK_BUTTONS_CANCEL,
                         _("Enable caret browsing mode?"));

        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                              _("Pressing F7 turns caret browsing on or off. This feature "
                                "places a moveable cursor in web pages, allowing you to move "
                                "around with your keyboard. Do you want to enable caret browsing on?"));
        gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Enable"), GTK_RESPONSE_ACCEPT);
        gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);

        response = gtk_dialog_run (GTK_DIALOG (dialog));

        gtk_widget_destroy (dialog);

        if (response == GTK_RESPONSE_CANCEL)
        {
            gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), FALSE);
            return;
        }
    }

    g_settings_set_boolean (EPHY_SETTINGS_MAIN,
                EPHY_PREFS_ENABLE_CARET_BROWSING, active);
}