Initial revision

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);
+}