diff options
Diffstat (limited to 'embed/ephy-favicon.c')
| -rw-r--r-- | embed/ephy-favicon.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/embed/ephy-favicon.c b/embed/ephy-favicon.c new file mode 100644 index 000000000..6670c20ab --- /dev/null +++ b/embed/ephy-favicon.c @@ -0,0 +1,280 @@ +/* + * Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org> + * + * 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 of the License, 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. + */ + +#include <gtk/gtkwidget.h> +#include <string.h> + +#include "ephy-favicon.h" +#include "ephy-embed-shell.h" + +static void ephy_favicon_class_init (EphyFaviconClass *klass); +static void ephy_favicon_init (EphyFavicon *ma); +static void ephy_favicon_finalize (GObject *object); +static void ephy_favicon_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void ephy_favicon_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); +static void ephy_favicon_update_image (EphyFavicon *favicon); +static void cache_changed_cb (EphyFaviconCache *cache, + const char *url, + EphyFavicon *favicon); + +struct EphyFaviconPrivate +{ + EphyFaviconCache *cache; + + char *url; +}; + +enum +{ + PROP_0, + PROP_CACHE, + PROP_URL +}; + +enum +{ + CHANGED, + LAST_SIGNAL +}; + +static guint ephy_favicon_signals[LAST_SIGNAL] = { 0 }; + +static GObjectClass *parent_class = NULL; + +GType +ephy_favicon_get_type (void) +{ + static GType ephy_favicon_type = 0; + + if (ephy_favicon_type == 0) + { + static const GTypeInfo our_info = + { + sizeof (EphyFaviconClass), + NULL, + NULL, + (GClassInitFunc) ephy_favicon_class_init, + NULL, + NULL, + sizeof (EphyFavicon), + 0, + (GInstanceInitFunc) ephy_favicon_init + }; + + ephy_favicon_type = g_type_register_static (GTK_TYPE_IMAGE, + "EphyFavicon", + &our_info, 0); + } + + return ephy_favicon_type; +} + +static void +ephy_favicon_class_init (EphyFaviconClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = ephy_favicon_finalize; + + object_class->set_property = ephy_favicon_set_property; + object_class->get_property = ephy_favicon_get_property; + + g_object_class_install_property (object_class, + PROP_CACHE, + g_param_spec_object ("cache", + "Favicon cache", + "Favicon cache", + EPHY_TYPE_FAVICON_CACHE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (object_class, + PROP_URL, + g_param_spec_string ("url", + "Associated URL", + "Associated URL", + NULL, + G_PARAM_READWRITE)); + + ephy_favicon_signals[CHANGED] = + g_signal_new ("changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EphyFaviconClass, changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); +} + +static void +ephy_favicon_init (EphyFavicon *ma) +{ + ma->priv = g_new0 (EphyFaviconPrivate, 1); + + gtk_widget_set_size_request (GTK_WIDGET (ma), 16, 16); +} + +static void +ephy_favicon_finalize (GObject *object) +{ + EphyFavicon *ma; + + g_return_if_fail (object != NULL); + g_return_if_fail (EPHY_IS_FAVICON (object)); + + ma = EPHY_FAVICON (object); + + g_return_if_fail (ma->priv != NULL); + + g_free (ma->priv->url); + + g_free (ma->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +ephy_favicon_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EphyFavicon *favicon = EPHY_FAVICON (object); + + switch (prop_id) + { + case PROP_CACHE: + favicon->priv->cache = g_value_get_object (value); + + g_signal_connect_object (G_OBJECT (favicon->priv->cache), + "changed", + G_CALLBACK (cache_changed_cb), + favicon, + 0); + + ephy_favicon_update_image (favicon); + break; + case PROP_URL: + g_free (favicon->priv->url); + favicon->priv->url = g_strdup (g_value_get_string (value)); + + ephy_favicon_update_image (favicon); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +ephy_favicon_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EphyFavicon *favicon = EPHY_FAVICON (object); + + switch (prop_id) + { + case PROP_CACHE: + g_value_set_object (value, favicon->priv->cache); + break; + case PROP_URL: + g_value_set_string (value, favicon->priv->url); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +GtkWidget * +ephy_favicon_new (const char *url) +{ + EphyFavicon *favicon; + EphyFaviconCache *cache = ephy_embed_shell_get_favicon_cache (embed_shell); + + g_return_val_if_fail (EPHY_IS_FAVICON_CACHE (cache), NULL); + + favicon = EPHY_FAVICON (g_object_new (EPHY_TYPE_FAVICON, + "cache", cache, + "url", url, + NULL)); + + g_return_val_if_fail (favicon->priv != NULL, NULL); + + return GTK_WIDGET (favicon); +} + +void +ephy_favicon_set_url (EphyFavicon *favicon, + const char *url) +{ + g_return_if_fail (EPHY_IS_FAVICON (favicon)); + + g_object_set (G_OBJECT (favicon), + "url", url, + NULL); +} + +const char * +ephy_favicon_get_url (EphyFavicon *favicon) +{ + char *url; + + g_return_val_if_fail (EPHY_IS_FAVICON (favicon), NULL); + + g_object_get (G_OBJECT (favicon), + "url", &url, + NULL); + + return (const char *) url; +} + +static void +cache_changed_cb (EphyFaviconCache *cache, + const char *url, + EphyFavicon *favicon) +{ + if (strcmp (url, favicon->priv->url) == 0) + { + ephy_favicon_update_image (favicon); + } +} + +static void +ephy_favicon_update_image (EphyFavicon *favicon) +{ + GdkPixbuf *pixbuf; + + g_return_if_fail (EPHY_IS_FAVICON_CACHE (favicon->priv->cache)); + + pixbuf = ephy_favicon_cache_lookup (favicon->priv->cache, + favicon->priv->url); + + gtk_image_set_from_pixbuf (GTK_IMAGE (favicon), pixbuf); + + g_signal_emit (G_OBJECT (favicon), ephy_favicon_signals[CHANGED], 0); +} |