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-rw-r--r--embed/ephy-favicon.c280
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);
+}