[darcs-to-svn @ initial import]

svn path=/trunk/; revision=2

1 files changed, 1045 insertions, 0 deletions

diff --git a/libempathy-gtk/gossip-theme-manager.c b/libempathy-gtk/gossip-theme-manager.c
new file mode 100644
index 000000000..6d5905e5a
--- /dev/null
+++ b/libempathy-gtk/gossip-theme-manager.c
@@ -0,0 +1,1045 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2005-2007 Imendio AB
+ *
+ * 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.
+ * 
+ * Authors: Richard Hult <richard@imendio.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <libempathy/gossip-conf.h>
+#include <libempathy/gossip-utils.h>
+
+#include "gossip-chat-view.h"
+#include "gossip-preferences.h"
+#include "gossip-theme-manager.h"
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_THEME_MANAGER, GossipThemeManagerPriv))
+
+typedef struct {
+	gchar    *name;
+	guint     name_notify_id;
+	guint     room_notify_id;
+
+	gboolean  show_avatars;
+	guint     show_avatars_notify_id;
+
+	gboolean  irc_style;
+} GossipThemeManagerPriv;
+
+static void        theme_manager_finalize                 (GObject            *object);
+static void        theme_manager_notify_name_cb           (GossipConf         *conf,
+							   const gchar        *key,
+							   gpointer            user_data);
+static void        theme_manager_notify_room_cb           (GossipConf         *conf,
+							   const gchar        *key,
+							   gpointer            user_data);
+static void        theme_manager_notify_show_avatars_cb   (GossipConf         *conf,
+							   const gchar        *key,
+							   gpointer            user_data);
+static void        theme_manager_ensure_tag_by_name       (GtkTextBuffer      *buffer,
+							   const gchar        *name);
+static gboolean    theme_manager_ensure_theme_exists      (const gchar        *name);
+static GtkTextTag *theme_manager_init_tag_by_name         (GtkTextTagTable    *table,
+							   const gchar        *name);
+static void        theme_manager_add_tag                  (GtkTextTagTable    *table,
+							   GtkTextTag         *tag);
+static void        theme_manager_fixup_tag_table          (GossipThemeManager *theme_manager,
+							   GossipChatView     *view);
+static void        theme_manager_apply_theme_classic      (GossipThemeManager *manager,
+							   GossipChatView     *view);
+static void        theme_manager_apply_theme_clean        (GossipThemeManager *manager,
+							   GossipChatView     *view);
+static void        theme_manager_apply_theme_blue         (GossipThemeManager *manager,
+							   GossipChatView     *view);
+static void        theme_manager_apply_theme              (GossipThemeManager *manager,
+							   GossipChatView     *view,
+							   const gchar        *name);
+
+enum {
+	THEME_CHANGED,
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static const gchar *themes[] = {
+	"classic", N_("Classic"),
+	"simple", N_("Simple"),
+	"clean", N_("Clean"),
+	"blue", N_("Blue"),
+	NULL
+};
+
+G_DEFINE_TYPE (GossipThemeManager, gossip_theme_manager, G_TYPE_OBJECT);
+
+static void
+gossip_theme_manager_class_init (GossipThemeManagerClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	signals[THEME_CHANGED] =
+		g_signal_new ("theme-changed",
+			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      0,
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE,
+			      0);
+
+	g_type_class_add_private (object_class, sizeof (GossipThemeManagerPriv));
+
+	object_class->finalize = theme_manager_finalize;
+}
+
+static void
+gossip_theme_manager_init (GossipThemeManager *manager)
+{
+	GossipThemeManagerPriv *priv;
+
+	priv = GET_PRIV (manager);
+
+	priv->name_notify_id =
+		gossip_conf_notify_add (gossip_conf_get (),
+					GOSSIP_PREFS_CHAT_THEME,
+					theme_manager_notify_name_cb,
+					manager);
+
+	priv->room_notify_id =
+		gossip_conf_notify_add (gossip_conf_get (),
+					GOSSIP_PREFS_CHAT_THEME_CHAT_ROOM,
+					theme_manager_notify_room_cb,
+					manager);
+
+	gossip_conf_get_string (gossip_conf_get (),
+				GOSSIP_PREFS_CHAT_THEME,
+				&priv->name);
+
+	/* Unused right now, but will be used soon. */
+	priv->show_avatars_notify_id =
+		gossip_conf_notify_add (gossip_conf_get (),
+					GOSSIP_PREFS_UI_SHOW_AVATARS,
+					theme_manager_notify_show_avatars_cb,
+					manager);
+
+	gossip_conf_get_bool (gossip_conf_get (),
+			      GOSSIP_PREFS_UI_SHOW_AVATARS,
+			      &priv->show_avatars);
+}
+
+static void
+theme_manager_finalize (GObject *object)
+{
+	GossipThemeManagerPriv *priv;
+
+	priv = GET_PRIV (object);
+
+	gossip_conf_notify_remove (gossip_conf_get (), priv->name_notify_id);
+	gossip_conf_notify_remove (gossip_conf_get (), priv->room_notify_id);
+	gossip_conf_notify_remove (gossip_conf_get (), priv->show_avatars_notify_id);
+
+	g_free (priv->name);
+
+	G_OBJECT_CLASS (gossip_theme_manager_parent_class)->finalize (object);
+}
+
+static void
+theme_manager_notify_name_cb (GossipConf  *conf,
+			      const gchar *key,
+			      gpointer     user_data)
+{
+	GossipThemeManager     *manager;
+	GossipThemeManagerPriv *priv;
+	gchar                  *name;
+
+	manager = user_data;
+	priv = GET_PRIV (manager);
+
+	g_free (priv->name);
+
+	name = NULL;
+	if (!gossip_conf_get_string (conf, key, &name) ||
+	    name == NULL || name[0] == 0) {
+		priv->name = g_strdup ("classic");
+		g_free (name);
+	} else {
+		priv->name = name;
+	}
+
+	g_signal_emit (manager, signals[THEME_CHANGED], 0, NULL);
+}
+
+static void
+theme_manager_notify_room_cb (GossipConf  *conf,
+			      const gchar *key,
+			      gpointer     user_data)
+{
+	g_signal_emit (user_data, signals[THEME_CHANGED], 0, NULL);
+}
+
+static void
+theme_manager_notify_show_avatars_cb (GossipConf  *conf,
+				      const gchar *key,
+				      gpointer     user_data)
+{
+	GossipThemeManager     *manager;
+	GossipThemeManagerPriv *priv;
+	gboolean                value;
+
+	manager = user_data;
+	priv = GET_PRIV (manager);
+
+	if (!gossip_conf_get_bool (conf, key, &value)) {
+		priv->show_avatars = FALSE;
+	} else {
+		priv->show_avatars = value;
+	}
+}
+
+static void
+theme_manager_ensure_tag_by_name (GtkTextBuffer *buffer,
+				  const gchar   *name)
+{
+	GtkTextTagTable *table;
+	GtkTextTag      *tag;
+
+	table = gtk_text_buffer_get_tag_table (buffer);
+	tag = gtk_text_tag_table_lookup (table, name);
+
+	if (!tag) {
+		gtk_text_buffer_create_tag (buffer,
+					    name,
+					    NULL);
+	}
+}
+
+static gboolean
+theme_manager_ensure_theme_exists (const gchar *name)
+{
+	gint i;
+
+	if (G_STR_EMPTY (name)) {
+		return FALSE;
+	}
+
+	for (i = 0; themes[i]; i += 2) {
+		if (strcmp (themes[i], name) == 0) {
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
+
+static GtkTextTag *
+theme_manager_init_tag_by_name (GtkTextTagTable *table,
+				const gchar     *name)
+{
+	GtkTextTag *tag;
+
+	tag = gtk_text_tag_table_lookup (table, name);
+
+	if (!tag) {
+		return gtk_text_tag_new (name);
+	}
+
+	/* Clear the old values so that we don't affect the new theme. */
+	g_object_set (tag,
+		      "background-set", FALSE,
+		      "foreground-set", FALSE,
+		      "invisible-set", FALSE,
+		      "justification-set", FALSE,
+		      "paragraph-background-set", FALSE,
+		      "pixels-above-lines-set", FALSE,
+		      "pixels-below-lines-set", FALSE,
+		      "rise-set", FALSE,
+		      "scale-set", FALSE,
+		      "size-set", FALSE,
+		      "style-set", FALSE,
+		      "weight-set", FALSE,
+		      NULL);
+
+	return tag;
+}
+
+static void
+theme_manager_add_tag (GtkTextTagTable *table,
+		       GtkTextTag      *tag)
+{
+	gchar      *name;
+	GtkTextTag *check_tag;
+
+	g_object_get (tag, "name", &name, NULL);
+	check_tag = gtk_text_tag_table_lookup (table, name);
+	g_free (name);
+	if (check_tag) {
+		return;
+	}
+
+	gtk_text_tag_table_add (table, tag);
+
+	g_object_unref (tag);
+}
+
+static void
+theme_manager_fixup_tag_table (GossipThemeManager *theme_manager,
+			       GossipChatView     *view)
+{
+	GtkTextBuffer *buffer;
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+
+	/* "Fancy" style tags. */
+	theme_manager_ensure_tag_by_name (buffer, "fancy-header-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-header-self-avatar");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-avatar-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-line-top-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-line-bottom-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-body-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-action-self");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-highlight-self");
+
+	theme_manager_ensure_tag_by_name (buffer, "fancy-header-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-header-other-avatar");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-avatar-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-line-top-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-line-bottom-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-body-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-action-other");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-highlight-other");
+
+	theme_manager_ensure_tag_by_name (buffer, "fancy-spacing");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-time");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-event");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-invite");
+	theme_manager_ensure_tag_by_name (buffer, "fancy-link");
+
+	/* IRC style tags. */
+	theme_manager_ensure_tag_by_name (buffer, "irc-nick-self");
+	theme_manager_ensure_tag_by_name (buffer, "irc-body-self");
+	theme_manager_ensure_tag_by_name (buffer, "irc-action-self");
+
+	theme_manager_ensure_tag_by_name (buffer, "irc-nick-other");
+	theme_manager_ensure_tag_by_name (buffer, "irc-body-other");
+	theme_manager_ensure_tag_by_name (buffer, "irc-action-other");
+
+	theme_manager_ensure_tag_by_name (buffer, "irc-nick-highlight");
+	theme_manager_ensure_tag_by_name (buffer, "irc-spacing");
+	theme_manager_ensure_tag_by_name (buffer, "irc-time");
+	theme_manager_ensure_tag_by_name (buffer, "irc-event");
+	theme_manager_ensure_tag_by_name (buffer, "irc-invite");
+	theme_manager_ensure_tag_by_name (buffer, "irc-link");
+}
+
+static void
+theme_manager_apply_theme_classic (GossipThemeManager *manager,
+				   GossipChatView     *view)
+{
+	GossipThemeManagerPriv *priv;
+	GtkTextBuffer          *buffer;
+	GtkTextTagTable        *table;
+	GtkTextTag             *tag;
+
+	priv = GET_PRIV (manager);
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+	table = gtk_text_buffer_get_tag_table (buffer);
+
+	priv->irc_style = TRUE;
+
+	tag = theme_manager_init_tag_by_name (table, "irc-spacing");
+	g_object_set (tag,
+		      "size", 2000,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-nick-self");
+	g_object_set (tag,
+		      "foreground", "sea green",
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-body-self");
+	g_object_set (tag,
+		      /* To get the default theme color: */
+		      "foreground-set", FALSE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-action-self");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-nick-highlight");
+	g_object_set (tag,
+		      "foreground", "indian red",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-nick-other");
+	g_object_set (tag,
+		      "foreground", "skyblue4",
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-body-other");
+	g_object_set (tag,
+		      /* To get the default theme color: */
+		      "foreground-set", FALSE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-action-other");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-time");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_CENTER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-event");
+	g_object_set (tag,
+		      "foreground", "PeachPuff4",
+		      "justification", GTK_JUSTIFY_LEFT,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-invite");
+	g_object_set (tag,
+		      "foreground", "sienna",
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "irc-link");
+	g_object_set (tag,
+		      "foreground", "steelblue",
+		      "underline", PANGO_UNDERLINE_SINGLE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+}
+
+static void
+theme_manager_apply_theme_simple (GossipThemeManager *manager,
+				  GossipChatView     *view)
+{
+	GossipThemeManagerPriv *priv;
+	GtkTextBuffer          *buffer;
+	GtkTextTagTable        *table;
+	GtkTextTag             *tag;
+	GtkWidget              *widget;
+	GtkStyle               *style;
+
+	priv = GET_PRIV (manager);
+
+	widget = gtk_entry_new ();
+	style = gtk_widget_get_style (widget);
+	gtk_widget_destroy (widget);
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+	table = gtk_text_buffer_get_tag_table (buffer);
+
+	priv->irc_style = FALSE;
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
+	g_object_set (tag,
+		      "size", 3000,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
+	g_object_set (tag,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-self-avatar");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
+	g_object_set (tag,
+		      "size", 6 * PANGO_SCALE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
+	g_object_set (tag,
+		      "size", 1,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-body-self");
+	g_object_set (tag,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
+	g_object_set (tag,
+		      "foreground-gdk", &style->base[GTK_STATE_SELECTED],
+		      "style", PANGO_STYLE_ITALIC,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
+	g_object_set (tag,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
+	g_object_set (tag,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-other-avatar");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
+	g_object_set (tag,
+		      "size", 6 * PANGO_SCALE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
+	g_object_set (tag,
+		      "size", 1,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-body-other");
+	g_object_set (tag,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
+	g_object_set (tag,
+		      "foreground-gdk", &style->base[GTK_STATE_SELECTED],
+		      "style", PANGO_STYLE_ITALIC,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-highlight-other");
+	g_object_set (tag,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-time");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_CENTER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-event");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_LEFT,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-invite");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-link");
+	g_object_set (tag,
+		      "foreground-gdk", &style->base[GTK_STATE_SELECTED],
+		      "underline", PANGO_UNDERLINE_SINGLE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+}
+
+static void
+theme_manager_apply_theme_clean (GossipThemeManager *manager,
+				 GossipChatView     *view)
+{
+	GossipThemeManagerPriv *priv;
+	GtkTextBuffer          *buffer;
+	GtkTextTagTable        *table;
+	GtkTextTag             *tag;
+
+	priv = GET_PRIV (manager);
+
+	/* Inherit the simple theme. */
+	theme_manager_apply_theme_simple (manager, view);
+
+#define ELEGANT_HEAD "#efefdf"
+#define ELEGANT_LINE "#e3e3d3"
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+	table = gtk_text_buffer_get_tag_table (buffer);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
+	g_object_set (tag,
+		      "size", PANGO_SCALE * 10,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "paragraph-background", ELEGANT_HEAD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
+	g_object_set (tag,
+		      "paragraph-background", ELEGANT_HEAD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
+	g_object_set (tag,
+		      "size", 1 * PANGO_SCALE,
+		      "paragraph-background", ELEGANT_LINE,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
+	g_object_set (tag,
+		      "size", 1 * PANGO_SCALE,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "paragraph-background", ELEGANT_HEAD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
+	g_object_set (tag,
+		      "paragraph-background", ELEGANT_HEAD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
+	g_object_set (tag,
+		      "size", 1 * PANGO_SCALE,
+		      "paragraph-background", ELEGANT_LINE,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
+	g_object_set (tag,
+		      "size", 1 * PANGO_SCALE,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-time");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_CENTER,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-event");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_LEFT,
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-invite");
+	g_object_set (tag,
+		      "foreground", "sienna",
+		      NULL);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-link");
+	g_object_set (tag,
+		      "foreground", "#49789e",
+		      "underline", PANGO_UNDERLINE_SINGLE,
+		      NULL);
+}
+
+static void
+theme_manager_apply_theme_blue (GossipThemeManager *manager,
+				GossipChatView     *view)
+{
+	GossipThemeManagerPriv *priv;
+	GtkTextBuffer          *buffer;
+	GtkTextTagTable        *table;
+	GtkTextTag             *tag;
+
+	priv = GET_PRIV (manager);
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+	table = gtk_text_buffer_get_tag_table (buffer);
+
+	priv->irc_style = FALSE;
+
+#define BLUE_BODY_SELF "#dcdcdc"
+#define BLUE_HEAD_SELF "#b9b9b9"
+#define BLUE_LINE_SELF "#aeaeae"
+
+#define BLUE_BODY_OTHER "#adbdc8"
+#define BLUE_HEAD_OTHER "#88a2b4"
+#define BLUE_LINE_OTHER "#7f96a4"
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
+	g_object_set (tag,
+		      "size", 3000,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "paragraph-background", BLUE_HEAD_SELF,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-self-avatar");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
+	g_object_set (tag,
+		      "paragraph-background", BLUE_HEAD_SELF,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
+	g_object_set (tag,
+		      "size", 1,
+		      "paragraph-background", BLUE_LINE_SELF,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
+	g_object_set (tag,
+		      "size", 1,
+		      "paragraph-background", BLUE_LINE_SELF,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-body-self");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "paragraph-background", BLUE_BODY_SELF,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      "paragraph-background", BLUE_BODY_SELF,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "paragraph-background", BLUE_BODY_SELF,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "paragraph-background", BLUE_HEAD_OTHER,
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "pixels-above-lines", 2,
+		      "pixels-below-lines", 2,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-header-other-avatar");
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
+	g_object_set (tag,
+		      "paragraph-background", BLUE_HEAD_OTHER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
+	g_object_set (tag,
+		      "size", 1,
+		      "paragraph-background", BLUE_LINE_OTHER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
+	g_object_set (tag,
+		      "size", 1,
+		      "paragraph-background", BLUE_LINE_OTHER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-body-other");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "paragraph-background", BLUE_BODY_OTHER,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
+	g_object_set (tag,
+		      "foreground", "brown4",
+		      "style", PANGO_STYLE_ITALIC,
+		      "paragraph-background", BLUE_BODY_OTHER,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-highlight-other");
+	g_object_set (tag,
+		      "foreground", "black",
+		      "weight", PANGO_WEIGHT_BOLD,
+		      "paragraph-background", BLUE_BODY_OTHER,
+		      "pixels-above-lines", 4,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-time");
+	g_object_set (tag,
+		      "foreground", "darkgrey",
+		      "justification", GTK_JUSTIFY_CENTER,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-event");
+	g_object_set (tag,
+		      "foreground", BLUE_LINE_OTHER,
+		      "justification", GTK_JUSTIFY_LEFT,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-invite");
+	g_object_set (tag,
+		      "foreground", "sienna",
+		      NULL);
+	theme_manager_add_tag (table, tag);
+
+	tag = theme_manager_init_tag_by_name (table, "fancy-link");
+	g_object_set (tag,
+		      "foreground", "#49789e",
+		      "underline", PANGO_UNDERLINE_SINGLE,
+		      NULL);
+	theme_manager_add_tag (table, tag);
+}
+
+static void
+theme_manager_apply_theme (GossipThemeManager *manager,
+			   GossipChatView     *view,
+			   const gchar        *name)
+{
+	GossipThemeManagerPriv *priv;
+	gint                    margin;
+
+	priv = GET_PRIV (manager);
+
+	/* Make sure all tags are present. Note: not useful now but when we have
+	 * user defined theme it will be.
+	 */
+	theme_manager_fixup_tag_table (manager, view);
+
+	if (theme_manager_ensure_theme_exists (name)) {
+		if (strcmp (name, "clean") == 0) {
+			theme_manager_apply_theme_clean (manager, view);
+			margin = 3;
+		}
+		else if (strcmp (name, "simple") == 0) {
+			theme_manager_apply_theme_simple (manager, view);
+			margin = 3;
+		}
+		else if (strcmp (name, "blue") == 0) {
+			theme_manager_apply_theme_blue (manager, view);
+			margin = 0;
+		} else {
+			theme_manager_apply_theme_classic (manager, view);
+			margin = 3;
+		}
+	} else {
+		theme_manager_apply_theme_classic (manager, view);
+		margin = 3;
+	}
+
+	gossip_chat_view_set_margin (view, margin);
+	gossip_chat_view_set_irc_style (view, priv->irc_style);
+}
+
+GossipThemeManager *
+gossip_theme_manager_get (void)
+{
+	static GossipThemeManager *manager = NULL;
+
+	if (!manager) {
+		manager = g_object_new (GOSSIP_TYPE_THEME_MANAGER, NULL);
+	}
+
+	return manager;
+}
+
+const gchar **
+gossip_theme_manager_get_themes (void)
+{
+	return themes;
+}
+
+void
+gossip_theme_manager_apply (GossipThemeManager *manager,
+			    GossipChatView     *view,
+			    const gchar        *name)
+{
+	GossipThemeManagerPriv *priv;
+
+	priv = GET_PRIV (manager);
+
+	theme_manager_apply_theme (manager, view, name);
+}
+
+void
+gossip_theme_manager_apply_saved (GossipThemeManager *manager,
+				  GossipChatView     *view)
+{
+	GossipThemeManagerPriv *priv;
+
+	priv = GET_PRIV (manager);
+
+	theme_manager_apply_theme (manager, view, priv->name);
+}
+
+/* FIXME: A bit ugly. We should probably change the scheme so that instead of
+ * the manager signalling, views are registered and applied to automatically.
+ */
+void
+gossip_theme_manager_update_show_avatars (GossipThemeManager *manager,
+					  GossipChatView     *view,
+					  gboolean            show)
+{
+	GossipThemeManagerPriv *priv;
+	GtkTextBuffer          *buffer;
+	GtkTextTagTable        *table;
+	GtkTextTag             *tag_text_self, *tag_text_other;
+	GtkTextTag             *tag_image_self, *tag_image_other;
+
+	priv = GET_PRIV (manager);
+
+	buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+	table = gtk_text_buffer_get_tag_table (buffer);
+
+	tag_text_self = gtk_text_tag_table_lookup (table, "fancy-header-self-avatar");
+	tag_text_other = gtk_text_tag_table_lookup (table, "fancy-header-other-avatar");
+
+	tag_image_self = gtk_text_tag_table_lookup (table, "fancy-avatar-self");
+	tag_image_other = gtk_text_tag_table_lookup (table, "fancy-avatar-other");
+
+	if (!show) {
+		g_object_set (tag_text_self,
+			      "rise", 0,
+			      NULL);
+		g_object_set (tag_text_other,
+			      "rise", 0,
+			      NULL);
+		g_object_set (tag_image_self,
+			      "invisible", TRUE,
+			      NULL);
+		g_object_set (tag_image_other,
+			      "invisible", TRUE,
+			      NULL);
+	} else {
+		GtkTextAttributes *attrs;
+		gint               size;
+		gint               rise;
+
+		attrs = gtk_text_view_get_default_attributes (GTK_TEXT_VIEW (view));
+		size = pango_font_description_get_size (attrs->font);
+		rise = MAX (0, (32 * PANGO_SCALE - size) / 2.0);
+
+		g_object_set (tag_text_self,
+			      "rise", rise,
+			      NULL);
+		g_object_set (tag_text_other,
+			      "rise", rise,
+			      NULL);
+		g_object_set (tag_image_self,
+			      "invisible", FALSE,
+			      NULL);
+		g_object_set (tag_image_other,
+			      "invisible", FALSE,
+			      NULL);
+
+		gtk_text_attributes_unref (attrs);
+	}
+}
+