/* * Copyright (C) 2000, 2001, 2002 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "ephy-tab.h" #include "ephy-shell.h" #include "eel-gconf-extensions.h" #include "ephy-prefs.h" #include "ephy-embed-prefs.h" #include "ephy-debug.h" #include "egg-menu-merge.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct EphyTabPrivate { EphyEmbed *embed; EphyWindow *window; EphyEmbedEvent *event; gboolean is_active; TabLoadStatus load_status; char status_message[255]; char *link_message; char favicon_url[255]; char *title; char *location; int load_percent; gboolean visibility; int cur_requests; int total_requests; int width; int height; }; static void ephy_tab_class_init (EphyTabClass *klass); static void ephy_tab_init (EphyTab *tab); static void ephy_tab_finalize (GObject *object); enum { PROP_0, PROP_EPHY_SHELL }; static void ephy_tab_set_favicon (EphyTab *tab, GdkPixbuf *favicon); static void ephy_tab_favicon_cb (EphyEmbed *embed, const char *url, EphyTab *tab); static void ephy_tab_favicon_cache_changed_cb (EphyFaviconCache *cache, char *url, EphyTab *tab); static void ephy_tab_link_message_cb (EphyEmbed *embed, const char *message, EphyTab *tab); static void ephy_tab_location_cb (EphyEmbed *embed, EphyTab *tab); static void ephy_tab_title_cb (EphyEmbed *embed, EphyTab *tab); static void ephy_tab_net_state_cb (EphyEmbed *embed, const char *uri, EmbedState state, EphyTab *tab); static void ephy_tab_new_window_cb (EphyEmbed *embed, EphyEmbed **new_embed, EmbedChromeMask chromemask, EphyTab *tab); static void ephy_tab_visibility_cb (EphyEmbed *embed, gboolean visibility, EphyTab *tab); static void ephy_tab_destroy_brsr_cb (EphyEmbed *embed, EphyTab *tab); static gint ephy_tab_open_uri_cb (EphyEmbed *embed, const char *uri, EphyTab *tab); static void ephy_tab_size_to_cb (EphyEmbed *embed, gint width, gint height, EphyTab *tab); static gint ephy_tab_dom_mouse_down_cb (EphyEmbed *embed, EphyEmbedEvent *event, EphyTab *tab); static void ephy_tab_security_change_cb (EphyEmbed *embed, EmbedSecurityLevel level, EphyTab *tab); static void ephy_tab_zoom_changed_cb (EphyEmbed *embed, gint zoom, EphyTab *tab); static GObjectClass *parent_class = NULL; /* Class functions */ GType ephy_tab_get_type (void) { static GType ephy_tab_type = 0; if (ephy_tab_type == 0) { static const GTypeInfo our_info = { sizeof (EphyTabClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) ephy_tab_class_init, NULL, NULL, /* class_data */ sizeof (EphyTab), 0, /* n_preallocs */ (GInstanceInitFunc) ephy_tab_init }; ephy_tab_type = g_type_register_static (G_TYPE_OBJECT, "EphyTab", &our_info, 0); } return ephy_tab_type; } static void ephy_tab_class_init (EphyTabClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = ephy_tab_finalize; } static void ephy_tab_parent_set_cb (GtkWidget *widget, GtkWidget *previous_parent, EphyTab *tab) { GtkWidget *toplevel; if (widget->parent == NULL) return; toplevel = gtk_widget_get_toplevel (widget); tab->priv->window = EPHY_WINDOW (toplevel); } static void ephy_tab_embed_destroy_cb (GtkWidget *widget, EphyTab *tab) { LOG ("GtkMozEmbed destroy signal on EphyTab") g_object_unref (tab); } static void ephy_tab_init (EphyTab *tab) { GObject *embed, *embed_widget; EphyEmbedSingle *single; EphyFaviconCache *cache; single = ephy_embed_shell_get_embed_single (EPHY_EMBED_SHELL (ephy_shell)); tab->priv = g_new0 (EphyTabPrivate, 1); tab->priv->window = NULL; tab->priv->event = NULL; tab->priv->is_active = FALSE; *tab->priv->status_message = '\0'; tab->priv->link_message = NULL; *tab->priv->favicon_url = '\0'; tab->priv->load_status = TAB_LOAD_NONE; tab->priv->load_percent = 0; tab->priv->title = NULL; tab->priv->location = NULL; tab->priv->total_requests = 0; tab->priv->cur_requests = 0; tab->priv->width = -1; tab->priv->height = -1; tab->priv->embed = ephy_embed_new (G_OBJECT(single)); ephy_embed_shell_add_embed (EPHY_EMBED_SHELL (ephy_shell), tab->priv->embed); embed = G_OBJECT (tab->priv->embed); embed_widget = G_OBJECT (tab->priv->embed); /* set a pointer in the embed's widget back to the tab */ g_object_set_data (embed_widget, "EphyTab", tab); g_signal_connect (embed_widget, "parent_set", G_CALLBACK (ephy_tab_parent_set_cb), tab); g_signal_connect (embed_widget, "destroy", GTK_SIGNAL_FUNC (ephy_tab_embed_destroy_cb), tab); g_signal_connect (embed, "ge_link_message", GTK_SIGNAL_FUNC (ephy_tab_link_message_cb), tab); g_signal_connect (embed, "ge_location", GTK_SIGNAL_FUNC (ephy_tab_location_cb), tab); g_signal_connect (embed, "ge_title", GTK_SIGNAL_FUNC (ephy_tab_title_cb), tab); g_signal_connect (embed, "ge_zoom_change", GTK_SIGNAL_FUNC (ephy_tab_zoom_changed_cb), tab); g_signal_connect (embed, "ge_net_state", GTK_SIGNAL_FUNC (ephy_tab_net_state_cb), tab); g_signal_connect (embed, "ge_new_window", GTK_SIGNAL_FUNC (ephy_tab_new_window_cb), tab); g_signal_connect (embed, "ge_visibility", GTK_SIGNAL_FUNC (ephy_tab_visibility_cb), tab); g_signal_connect (embed, "ge_destroy_brsr", GTK_SIGNAL_FUNC (ephy_tab_destroy_brsr_cb), tab); g_signal_connect (embed, "ge_open_uri", GTK_SIGNAL_FUNC (ephy_tab_open_uri_cb), tab); g_signal_connect (embed, "ge_size_to", GTK_SIGNAL_FUNC (ephy_tab_size_to_cb), tab); g_signal_connect (embed, "ge_dom_mouse_down", GTK_SIGNAL_FUNC (ephy_tab_dom_mouse_down_cb), tab); g_signal_connect (embed, "ge_security_change", GTK_SIGNAL_FUNC (ephy_tab_security_change_cb), tab); g_signal_connect (embed, "ge_favicon", GTK_SIGNAL_FUNC (ephy_tab_favicon_cb), tab); cache = ephy_embed_shell_get_favicon_cache (EPHY_EMBED_SHELL (ephy_shell)); g_signal_connect_object (G_OBJECT (cache), "changed", G_CALLBACK (ephy_tab_favicon_cache_changed_cb), tab, 0); } /* Destructor */ static void ephy_tab_finalize (GObject *object) { EphyTab *tab; g_return_if_fail (IS_EPHY_TAB (object)); tab = EPHY_TAB (object); g_return_if_fail (tab->priv != NULL); g_idle_remove_by_data (tab->priv->embed); if (tab->priv->event) { g_object_unref (tab->priv->event); } g_free (tab->priv->location); g_free (tab->priv->link_message); g_free (tab->priv); G_OBJECT_CLASS (parent_class)->finalize (object); LOG ("EphyTab finalized %p", tab) } /* Public functions */ EphyTab * ephy_tab_new () { EphyTab *tab; tab = EPHY_TAB (g_object_new (EPHY_TAB_TYPE, NULL)); g_return_val_if_fail (tab->priv != NULL, NULL); return tab; } static void ephy_tab_set_load_status (EphyTab *tab, TabLoadStatus status) { if (status == TAB_LOAD_COMPLETED) { Session *s; s = ephy_shell_get_session (ephy_shell); session_save (s, SESSION_CRASHED); } if (ephy_tab_get_is_active (tab) && status == TAB_LOAD_COMPLETED) { tab->priv->load_status = TAB_LOAD_NONE; } else { tab->priv->load_status = status; } } EphyEmbed * ephy_tab_get_embed (EphyTab *tab) { g_return_val_if_fail (IS_EPHY_TAB (G_OBJECT (tab)), NULL); return tab->priv->embed; } void ephy_tab_set_window (EphyTab *tab, EphyWindow *window) { g_return_if_fail (IS_EPHY_TAB (G_OBJECT (tab))); if (window) g_return_if_fail (IS_EPHY_WINDOW (G_OBJECT (window))); tab->priv->window = window; } EphyWindow * ephy_tab_get_window (EphyTab *tab) { g_return_val_if_fail (IS_EPHY_TAB (G_OBJECT (tab)), NULL); return tab->priv->window; } EphyEmbedEvent * ephy_tab_get_event (EphyTab *tab) { return tab->priv->event; } static void ephy_tab_update_color (EphyTab *tab) { TabLoadStatus status = ephy_tab_get_load_status (tab); EphyNotebookPageLoadStatus page_status = 0; GtkWidget *nb; nb = ephy_window_get_notebook (tab->priv->window); switch (status) { case TAB_LOAD_NONE: page_status = EPHY_NOTEBOOK_TAB_LOAD_NORMAL; break; case TAB_LOAD_STARTED: page_status = EPHY_NOTEBOOK_TAB_LOAD_LOADING; break; case TAB_LOAD_COMPLETED: page_status = EPHY_NOTEBOOK_TAB_LOAD_COMPLETED; break; } ephy_notebook_set_page_status (EPHY_NOTEBOOK (nb), GTK_WIDGET (tab->priv->embed), page_status); } void ephy_tab_set_is_active (EphyTab *tab, gboolean is_active) { TabLoadStatus status; g_return_if_fail (IS_EPHY_TAB (G_OBJECT (tab))); tab->priv->is_active = is_active; status = ephy_tab_get_load_status (tab); if (status == TAB_LOAD_COMPLETED) { ephy_tab_set_load_status (tab, TAB_LOAD_NONE); } ephy_tab_update_color (tab); } gboolean ephy_tab_get_is_active (EphyTab *tab) { g_return_val_if_fail (IS_EPHY_TAB (G_OBJECT (tab)), FALSE); return tab->priv->is_active; } gboolean ephy_tab_get_visibility (EphyTab *tab) { return tab->priv->visibility; } void ephy_tab_get_size (EphyTab *tab, int *width, int *height) { *width = tab->priv->width; *height = tab->priv->height; } static void ephy_tab_set_visibility (EphyTab *tab, gboolean visible) { g_return_if_fail (tab->priv->window != NULL); tab->priv->visibility = visible; } static void ephy_tab_set_favicon (EphyTab *tab, GdkPixbuf *favicon) { GtkWidget *nb; EphyBookmarks *eb; nb = ephy_window_get_notebook (tab->priv->window); ephy_notebook_set_page_icon (EPHY_NOTEBOOK (nb), GTK_WIDGET (tab->priv->embed), favicon); if (!tab->priv->is_active) return; eb = ephy_shell_get_bookmarks (ephy_shell); ephy_bookmarks_set_icon (eb, tab->priv->location, tab->priv->favicon_url); ephy_window_update_control (tab->priv->window, FaviconControl); } /* Private callbacks for embed signals */ static void ephy_tab_favicon_cache_changed_cb (EphyFaviconCache *cache, char *url, EphyTab *tab) { GdkPixbuf *pixbuf = NULL; /* is this for us? */ if (strncmp (tab->priv->favicon_url, url, 255) != 0) return; /* set favicon */ pixbuf = ephy_favicon_cache_get (cache, tab->priv->favicon_url); ephy_tab_set_favicon (tab, pixbuf); if (pixbuf) g_object_unref (pixbuf); } static void ephy_tab_favicon_cb (EphyEmbed *embed, const char *url, EphyTab *tab) { EphyFaviconCache *cache; GdkPixbuf *pixbuf = NULL; g_strlcpy (tab->priv->favicon_url, url, 255); cache = ephy_embed_shell_get_favicon_cache (EPHY_EMBED_SHELL (ephy_shell)); if (url && url[0] != '\0') { pixbuf = ephy_favicon_cache_get (cache, tab->priv->favicon_url); ephy_tab_set_favicon (tab, pixbuf); if (pixbuf) g_object_unref (pixbuf); } else { ephy_tab_set_favicon (tab, NULL); } } static void ephy_tab_link_message_cb (EphyEmbed *embed, const char *message, EphyTab *tab) { if (!tab->priv->is_active) return; g_free (tab->priv->link_message); tab->priv->link_message = g_strdup (message); ephy_window_update_control (tab->priv->window, StatusbarMessageControl); } static void ephy_tab_location_cb (EphyEmbed *embed, EphyTab *tab) { if (tab->priv->location) g_free (tab->priv->location); ephy_embed_get_location (embed, TRUE, &tab->priv->location); tab->priv->link_message = NULL; tab->priv->favicon_url[0] = '\0'; ephy_tab_set_favicon (tab, NULL); if (tab->priv->is_active) { ephy_window_update_control (tab->priv->window, LocationControl); ephy_window_update_control (tab->priv->window, NavControl); ephy_window_update_control (tab->priv->window, FaviconControl); } } static void ephy_tab_zoom_changed_cb (EphyEmbed *embed, gint zoom, EphyTab *tab) { if (tab->priv->is_active) { ephy_window_update_control (tab->priv->window, ZoomControl); } } static void ephy_tab_set_title (EphyTab *tab, const char *title) { GtkWidget *nb; nb = ephy_window_get_notebook (tab->priv->window); ephy_notebook_set_page_title (EPHY_NOTEBOOK (nb), GTK_WIDGET (tab->priv->embed), title); } static void ephy_tab_title_cb (EphyEmbed *embed, EphyTab *tab) { if (tab->priv->title) g_free (tab->priv->title); ephy_embed_get_title (embed, &tab->priv->title); if (*(tab->priv->title) == '\0') { g_free (tab->priv->title); tab->priv->title = g_strdup (_("Untitled")); } ephy_tab_set_title (tab, tab->priv->title); if (tab->priv->is_active) { ephy_window_update_control (tab->priv->window, TitleControl); } } static int build_load_percent (int bytes_loaded, int max_bytes_loaded) { if (max_bytes_loaded > 0) { return (bytes_loaded * 100) / max_bytes_loaded; } else { return -1; } } static char * get_host_name_from_uri (const char *uri) { GnomeVFSURI *vfs_uri = NULL; const char *host = NULL; char *result; if (uri) { vfs_uri = gnome_vfs_uri_new (uri); } if (vfs_uri) { host = gnome_vfs_uri_get_host_name (vfs_uri); } if (!host) { host = _("site"); } result = g_strdup (host); if (vfs_uri) gnome_vfs_uri_unref (vfs_uri); return result; } static void build_net_state_message (char *message, const char *uri, EmbedState flags) { const char *msg = NULL; char *host; host = get_host_name_from_uri (uri); /* IS_REQUEST and IS_NETWORK can be both set */ if (flags & EMBED_STATE_IS_REQUEST) { if (flags & EMBED_STATE_REDIRECTING) { msg = _("Redirecting to %s..."); } else if (flags & EMBED_STATE_TRANSFERRING) { msg = _("Transferring data from %s..."); } else if (flags & EMBED_STATE_NEGOTIATING) { msg = _("Waiting for authorization from %s..."); } } if (flags & EMBED_STATE_IS_NETWORK) { if (flags & EMBED_STATE_START) { msg = _("Loading %s..."); } else if (flags & EMBED_STATE_STOP) { msg = _("Done."); } } if (msg) { g_snprintf (message, 255, msg, host); } g_free (host); } static void build_progress_from_requests (EphyTab *tab, EmbedState state) { int load_percent; if (state & EMBED_STATE_IS_REQUEST) { if (state & EMBED_STATE_START) { tab->priv->total_requests ++; } else if (state & EMBED_STATE_STOP) { tab->priv->cur_requests ++; } load_percent = build_load_percent (tab->priv->cur_requests, tab->priv->total_requests); if (load_percent > tab->priv->load_percent) { tab->priv->load_percent = load_percent; } } } static void ensure_location (EphyTab *tab, const char *uri) { if (tab->priv->location == NULL) { tab->priv->location = g_strdup (uri); ephy_window_update_control (tab->priv->window, LocationControl); } } static void ephy_tab_net_state_cb (EphyEmbed *embed, const char *uri, EmbedState state, EphyTab *tab) { build_net_state_message (tab->priv->status_message, uri, state); ephy_window_update_control (tab->priv->window, StatusbarMessageControl); if (state & EMBED_STATE_IS_NETWORK) { if (state & EMBED_STATE_START) { tab->priv->total_requests = 0; tab->priv->cur_requests = 0; tab->priv->load_percent = 0; ensure_location (tab, uri); ephy_tab_set_load_status (tab, TAB_LOAD_STARTED); ephy_window_update_control (tab->priv->window, NavControl); ephy_window_update_control (tab->priv->window, SpinnerControl); ephy_tab_update_color (tab); } else if (state & EMBED_STATE_STOP) { tab->priv->load_percent = 0; ephy_tab_set_load_status (tab, TAB_LOAD_COMPLETED); ephy_window_update_control (tab->priv->window, NavControl); ephy_window_update_control (tab->priv->window, SpinnerControl); ephy_tab_update_color (tab); } } build_progress_from_requests (tab, state); ephy_window_update_control (tab->priv->window, StatusbarProgressControl); } static void ephy_tab_new_window_cb (EphyEmbed *embed, EphyEmbed **new_embed, EmbedChromeMask chromemask, EphyTab *tab) { EphyTab *new_tab; EphyWindow *window; gboolean open_in_tab; open_in_tab = (chromemask & EMBED_CHROME_OPENASCHROME) ? FALSE : eel_gconf_get_boolean (CONF_TABS_TABBED_POPUPS); if (open_in_tab) { window = ephy_tab_get_window (tab); } else { window = ephy_window_new (); ephy_window_set_chrome (window, chromemask); } new_tab = ephy_tab_new (); ephy_window_add_tab (window, new_tab, TRUE, FALSE); *new_embed = ephy_tab_get_embed (new_tab); } static gboolean let_me_resize_hack (gpointer data) { gtk_widget_set_size_request (GTK_WIDGET(data), -1, -1); return FALSE; } static void ephy_tab_visibility_cb (EphyEmbed *embed, gboolean visibility, EphyTab *tab) { EphyWindow *window; if (visibility) { gtk_widget_show (GTK_WIDGET(embed)); } else { gtk_widget_hide (GTK_WIDGET(embed)); } ephy_tab_set_visibility (tab, visibility); window = ephy_tab_get_window (tab); g_return_if_fail (window != NULL); ephy_window_update_control (window, WindowVisibilityControl); } static void ephy_tab_destroy_brsr_cb (EphyEmbed *embed, EphyTab *tab) { EphyWindow *window; window = ephy_tab_get_window (tab); ephy_window_remove_tab (window, tab); ephy_embed_shell_remove_embed (EPHY_EMBED_SHELL (ephy_shell), tab->priv->embed); } static gint ephy_tab_open_uri_cb (EphyEmbed *embed, const char *uri, EphyTab *tab) { return FALSE; } static void ephy_tab_size_to_cb (EphyEmbed *embed, gint width, gint height, EphyTab *tab) { GList *tabs; EphyWindow *window; GtkWidget *widget; EmbedChromeMask chromemask; tab->priv->width = width; tab->priv->height = height; window = ephy_tab_get_window (tab); tabs = (GList *) ephy_window_get_tabs (window); widget = GTK_WIDGET (embed); chromemask = ephy_window_get_chrome (window); /* Do not resize window with multiple tabs. * Do not resize window already showed because * it's not possible to calculate a sensible window * size based on the embed size */ if (g_list_length (tabs) == 1 && !tab->priv->visibility) { gtk_widget_set_size_request (widget, width, height); /* HACK reset widget requisition after the container * has been resized. It appears to be the only way * to have the window sized according to embed * size correctly. * We dont do it for XUL dialogs because in that case * a "forced" requisition appear correct. */ if (!(chromemask & EMBED_CHROME_OPENASCHROME)) { g_idle_add (let_me_resize_hack, embed); } } } static void ephy_tab_set_event (EphyTab *tab, EphyEmbedEvent *event) { if (tab->priv->event) g_object_unref (tab->priv->event); g_object_ref (event); tab->priv->event = event; } static void ephy_tab_show_embed_popup (EphyTab *tab, EphyEmbedEvent *event) { EmbedEventContext context; const char *popup; const GValue *value; gboolean framed; EphyWindow *window; char *path; GtkWidget *widget; window = ephy_tab_get_window (tab); ephy_embed_event_get_property (event, "framed_page", &value); framed = g_value_get_int (value); ephy_embed_event_get_context (event, &context); if ((context & EMBED_CONTEXT_LINK) && (context & EMBED_CONTEXT_IMAGE)) { popup = "EphyImageLinkPopup"; } else if (context & EMBED_CONTEXT_LINK) { popup = "EphyLinkPopup"; } else if (context & EMBED_CONTEXT_IMAGE) { popup = "EphyImagePopup"; } else if (context & EMBED_CONTEXT_INPUT) { popup = "EphyInputPopup"; } else { popup = framed ? "EphyFramedDocumentPopup" : "EphyDocumentPopup"; } path = g_strconcat ("/popups/", popup, NULL); widget = egg_menu_merge_get_widget (EGG_MENU_MERGE (window->ui_merge), path); g_free (path); g_return_if_fail (widget != NULL); ephy_tab_set_event (tab, event); gtk_menu_popup (GTK_MENU (widget), NULL, NULL, NULL, NULL, 2, gtk_get_current_event_time ()); } static gint ephy_tab_dom_mouse_down_cb (EphyEmbed *embed, EphyEmbedEvent *event, EphyTab *tab) { EphyWindow *window; int button; EmbedEventContext context; g_assert (IS_EPHY_EMBED_EVENT(event)); window = ephy_tab_get_window (tab); g_return_val_if_fail (window != NULL, FALSE); ephy_embed_event_get_mouse_button (event, &button); ephy_embed_event_get_context (event, &context); if (button == 2) { ephy_tab_show_embed_popup (tab, event); } else if (button == 1 && (context & EMBED_CONTEXT_LINK)) { const GValue *value; ephy_embed_event_get_property (event, "link", &value); ephy_shell_new_tab (ephy_shell, window, tab, g_value_get_string (value), 0); } else if (button == 1 && eel_gconf_get_boolean (CONF_INTERFACE_MIDDLE_CLICK_OPEN_URL) && !(context & EMBED_CONTEXT_LINK || context & EMBED_CONTEXT_EMAIL_LINK || context & EMBED_CONTEXT_INPUT)) { /* paste url */ gtk_selection_convert (GTK_WIDGET (window), GDK_SELECTION_PRIMARY, GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME); } return FALSE; } static void ephy_tab_security_change_cb (EphyEmbed *embed, EmbedSecurityLevel level, EphyTab *tab) { if (!tab->priv->is_active) return; ephy_window_update_control (tab->priv->window, StatusbarSecurityControl); } TabLoadStatus ephy_tab_get_load_status (EphyTab *tab) { return tab->priv->load_status; } int ephy_tab_get_load_percent (EphyTab *tab) { return tab->priv->load_percent; } const char * ephy_tab_get_status_message (EphyTab *tab) { if (tab->priv->link_message) { return tab->priv->link_message; } else { return tab->priv->status_message; } } const char * ephy_tab_get_title (EphyTab *tab) { if (tab->priv->title && g_utf8_strlen(tab->priv->title, -1)) { return tab->priv->title; } else { return _("Untitled"); } } const char * ephy_tab_get_location (EphyTab *tab) { return tab->priv->location; } const char * ephy_tab_get_favicon_url (EphyTab *tab) { if (tab->priv->favicon_url[0] == '\0') { return NULL; } else { return tab->priv->favicon_url; } } void ephy_tab_set_location (EphyTab *tab, char *location) { if (tab->priv->location) g_free (tab->priv->location); tab->priv->location = g_strdup (location); } void ephy_tab_update_control (EphyTab *tab, TabControlID id) { switch (id) { case TAB_CONTROL_TITLE: ephy_tab_set_title (tab, tab->priv->title); break; } }