[darcs-to-svn @ initial import]

svn path=/trunk/; revision=2

1 files changed, 495 insertions, 0 deletions

diff --git a/libempathy-gtk/gossip-private-chat.c b/libempathy-gtk/gossip-private-chat.c
new file mode 100644
index 000000000..41a7f5946
--- /dev/null
+++ b/libempathy-gtk/gossip-private-chat.c
@@ -0,0 +1,495 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2002-2007 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: Mikael Hallendal <micke@imendio.com>
+ *          Richard Hult <richard@imendio.com>
+ *          Martyn Russell <martyn@imendio.com>
+ *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gtk/gtk.h>
+#include <glade/glade.h>
+#include <glib/gi18n.h>
+
+#include <libmissioncontrol/mc-account.h>
+
+#include <libempathy/gossip-debug.h>
+#include <libempathy/empathy-tp-chat.h>
+//#include <libgossip/gossip-log.h>
+
+#include "gossip-private-chat.h"
+#include "gossip-chat-view.h"
+#include "gossip-chat.h"
+#include "gossip-preferences.h"
+//#include "gossip-sound.h"
+#include "gossip-stock.h"
+#include "gossip-ui-utils.h"
+
+#define DEBUG_DOMAIN "PrivateChat"
+
+#define COMPOSING_STOP_TIMEOUT 5
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_PRIVATE_CHAT, GossipPrivateChatPriv))
+
+struct _GossipPrivateChatPriv {   
+	GossipContact *contact;
+	gchar         *name;
+
+	guint          scroll_idle_id;
+	gboolean       is_online;
+
+	GtkWidget     *widget;
+	GtkWidget     *text_view_sw;
+};
+
+static void           gossip_private_chat_class_init            (GossipPrivateChatClass *klass);
+static void           gossip_private_chat_init                  (GossipPrivateChat      *chat);
+static void           private_chat_finalize                     (GObject                *object);
+static void           private_chat_create_ui                    (GossipPrivateChat      *chat);
+static void           private_chat_contact_presence_updated_cb  (GossipContact          *contact,
+								 GParamSpec             *param,
+								 GossipPrivateChat      *chat);
+static void           private_chat_contact_updated_cb           (GossipContact          *contact,
+								 GParamSpec             *param,
+								 GossipPrivateChat      *chat);
+static void           private_chat_widget_destroy_cb            (GtkWidget              *widget,
+								 GossipPrivateChat      *chat);
+static const gchar *  private_chat_get_name                     (GossipChat             *chat);
+static gchar *        private_chat_get_tooltip                  (GossipChat             *chat);
+static GdkPixbuf *    private_chat_get_status_pixbuf            (GossipChat             *chat);
+static GossipContact *private_chat_get_contact                  (GossipChat             *chat);
+static GtkWidget *    private_chat_get_widget                   (GossipChat             *chat);
+/*static GdkPixbuf *    private_chat_pad_to_size                  (GdkPixbuf              *pixbuf,
+								 gint                    width,
+								 gint                    height,
+								 gint                    extra_padding_right);*/
+
+G_DEFINE_TYPE (GossipPrivateChat, gossip_private_chat, GOSSIP_TYPE_CHAT);
+
+static void
+gossip_private_chat_class_init (GossipPrivateChatClass *klass)
+{
+	GObjectClass    *object_class = G_OBJECT_CLASS (klass);
+	GossipChatClass *chat_class = GOSSIP_CHAT_CLASS (klass);
+
+	object_class->finalize = private_chat_finalize;
+
+	chat_class->get_name          = private_chat_get_name;
+	chat_class->get_tooltip       = private_chat_get_tooltip;
+	chat_class->get_status_pixbuf = private_chat_get_status_pixbuf;
+	chat_class->get_contact       = private_chat_get_contact;
+	chat_class->get_widget        = private_chat_get_widget;
+	chat_class->get_show_contacts = NULL;
+	chat_class->set_show_contacts = NULL;
+	chat_class->is_group_chat     = NULL;
+
+	g_type_class_add_private (object_class, sizeof (GossipPrivateChatPriv));
+}
+
+static void
+gossip_private_chat_init (GossipPrivateChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	priv->is_online = FALSE;
+
+	private_chat_create_ui (chat);
+
+}
+
+static void
+private_chat_finalize (GObject *object)
+{
+	GossipPrivateChat     *chat;
+	GossipPrivateChatPriv *priv;
+	
+	chat = GOSSIP_PRIVATE_CHAT (object);
+	priv = GET_PRIV (chat);
+
+	g_signal_handlers_disconnect_by_func (priv->contact,
+					      private_chat_contact_updated_cb,
+					      chat);
+	g_signal_handlers_disconnect_by_func (priv->contact,
+					      private_chat_contact_presence_updated_cb,
+					      chat);
+
+	if (priv->contact) {
+		g_object_unref (priv->contact);
+	}
+
+	if (priv->scroll_idle_id) {
+		g_source_remove (priv->scroll_idle_id);
+	}
+
+	g_free (priv->name);
+
+	G_OBJECT_CLASS (gossip_private_chat_parent_class)->finalize (object);
+}
+
+static void
+private_chat_create_ui (GossipPrivateChat *chat)
+{
+	GladeXML              *glade;
+	GossipPrivateChatPriv *priv;
+	GtkWidget             *input_text_view_sw;
+
+	priv = GET_PRIV (chat);
+
+	glade = gossip_glade_get_file ("empathy-chat.glade",
+				       "chat_widget",
+				       NULL,
+				      "chat_widget", &priv->widget,
+				      "chat_view_sw", &priv->text_view_sw,
+				      "input_text_view_sw", &input_text_view_sw,
+				       NULL);
+
+	gossip_glade_connect (glade,
+			      chat,
+			      "chat_widget", "destroy", private_chat_widget_destroy_cb,
+			      NULL);
+
+	g_object_unref (glade);
+
+	g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
+
+	gtk_container_add (GTK_CONTAINER (priv->text_view_sw),
+			   GTK_WIDGET (GOSSIP_CHAT (chat)->view));
+	gtk_widget_show (GTK_WIDGET (GOSSIP_CHAT (chat)->view));
+
+	gtk_container_add (GTK_CONTAINER (input_text_view_sw),
+			   GOSSIP_CHAT (chat)->input_text_view);
+	gtk_widget_show (GOSSIP_CHAT (chat)->input_text_view);
+}
+
+static void
+private_chat_contact_presence_updated_cb (GossipContact     *contact,
+					  GParamSpec        *param,
+					  GossipPrivateChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	gossip_debug (DEBUG_DOMAIN, "Presence update for contact: %s",
+		      gossip_contact_get_id (contact));
+
+	if (!gossip_contact_is_online (contact)) {
+		if (priv->is_online) {
+			gchar *msg;
+
+			msg = g_strdup_printf (_("%s went offline"),
+					       gossip_contact_get_name (priv->contact));
+			gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, msg);
+			g_free (msg);
+		}
+
+		priv->is_online = FALSE;
+
+		g_signal_emit_by_name (chat, "composing", FALSE);
+
+	} else {
+		if (!priv->is_online) {
+			gchar *msg;
+
+			msg = g_strdup_printf (_("%s has come online"),
+					       gossip_contact_get_name (priv->contact));
+			gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, msg);
+			g_free (msg);
+		}
+
+		priv->is_online = TRUE;
+	}
+
+	g_signal_emit_by_name (chat, "status-changed");
+}
+
+static void
+private_chat_contact_updated_cb (GossipContact     *contact,
+				 GParamSpec        *param,
+				 GossipPrivateChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	if (strcmp (priv->name, gossip_contact_get_name (contact)) != 0) {
+		g_free (priv->name);
+		priv->name = g_strdup (gossip_contact_get_name (contact));
+		g_signal_emit_by_name (chat, "name-changed", priv->name);
+	}
+}
+
+static void
+private_chat_widget_destroy_cb (GtkWidget         *widget,
+				GossipPrivateChat *chat)
+{
+	gossip_debug (DEBUG_DOMAIN, "Destroyed");
+
+	g_object_unref (chat);
+}
+
+static const gchar *
+private_chat_get_name (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
+
+	priv = GET_PRIV (chat);
+
+	return priv->name;
+}
+
+static gchar *
+private_chat_get_tooltip (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+	GossipContact         *contact;
+	const gchar           *status;
+
+	g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
+
+	priv = GET_PRIV (chat);
+
+	contact = gossip_chat_get_contact (chat);
+	status = gossip_contact_get_status (contact);
+
+	return g_strdup_printf ("%s\n%s",
+				gossip_contact_get_id (contact),
+				status);
+}
+
+static GdkPixbuf *
+private_chat_get_status_pixbuf (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+	GossipContact         *contact;
+
+	g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
+
+	priv = GET_PRIV (chat);
+
+	contact = gossip_chat_get_contact (chat);
+
+	return gossip_pixbuf_for_contact (contact);
+}
+
+static GossipContact *
+private_chat_get_contact (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
+
+	priv = GET_PRIV (chat);
+
+	return priv->contact;
+}
+
+static GtkWidget *
+private_chat_get_widget (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	return priv->widget;
+}
+
+/* Scroll down after the back-log has been received. */
+static gboolean
+private_chat_scroll_down_idle_func (GossipChat *chat)
+{
+	GossipPrivateChatPriv *priv;
+
+	priv = GET_PRIV (chat);
+
+	gossip_chat_scroll_down (chat);
+	g_object_unref (chat);
+
+	priv->scroll_idle_id = 0;
+
+	return FALSE;
+}
+
+static void
+private_chat_setup (GossipPrivateChat *chat,
+		    GossipContact     *contact,
+		    EmpathyTpChat     *tp_chat)
+{
+	GossipPrivateChatPriv *priv;
+	//GossipLogManager      *log_manager;
+	GossipChatView        *view;
+/*	GossipContact         *sender;
+	GossipMessage         *message;
+	GList                 *messages, *l;
+	gint                   num_messages, i;*/
+
+	priv = GET_PRIV (chat);
+
+	gossip_chat_set_tp_chat (GOSSIP_CHAT (chat), tp_chat);
+
+	priv->contact = g_object_ref (contact);
+	GOSSIP_CHAT (chat)->account = g_object_ref (gossip_contact_get_account (contact));
+
+	priv->name = g_strdup (gossip_contact_get_name (contact));
+
+	g_signal_connect (priv->contact, 
+			  "notify::name",
+			  G_CALLBACK (private_chat_contact_updated_cb),
+			  chat);
+	g_signal_connect (priv->contact, 
+			  "notify::presences",
+			  G_CALLBACK (private_chat_contact_presence_updated_cb),
+			  chat);
+
+	view = GOSSIP_CHAT (chat)->view;
+
+	/* Turn off scrolling temporarily */
+	gossip_chat_view_scroll (view, FALSE);
+#if 0
+FIXME:
+	/* Add messages from last conversation */
+	log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
+	messages = gossip_log_get_last_for_contact (log_manager, priv->contact);
+	num_messages  = g_list_length (messages);
+
+	for (l = messages, i = 0; l; l = l->next, i++) {
+		message = l->data;
+
+		if (num_messages - i > 10) {
+			continue;
+		}
+
+		sender = gossip_message_get_sender (message);
+		if (gossip_contact_equal (priv->own_contact, sender)) {
+			gossip_chat_view_append_message_from_self (view,
+								   message,
+								   priv->own_contact,
+								   priv->own_avatar);
+		} else {
+			gossip_chat_view_append_message_from_other (view,
+								    message,
+								    sender,
+								    priv->other_avatar);
+		}
+	}
+
+	g_list_foreach (messages, (GFunc) g_object_unref, NULL);
+	g_list_free (messages);
+#endif
+	/* Turn back on scrolling */
+	gossip_chat_view_scroll (view, TRUE);
+
+	/* Scroll to the most recent messages, we reference the chat
+	 * for the duration of the scroll func.
+	 */
+	priv->scroll_idle_id = g_idle_add ((GSourceFunc) 
+					   private_chat_scroll_down_idle_func, 
+					   g_object_ref (chat));
+
+	priv->is_online = gossip_contact_is_online (priv->contact);
+}
+
+GossipPrivateChat *
+gossip_private_chat_new (GossipContact *contact)
+{
+	GossipPrivateChat *chat;
+	EmpathyTpChat     *tp_chat;
+
+	g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
+
+	chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
+	tp_chat = empathy_tp_chat_new_with_contact (contact);
+
+	private_chat_setup (chat, contact, tp_chat);
+	g_object_unref (tp_chat);
+
+	return chat;
+}
+
+GossipPrivateChat *
+gossip_private_chat_new_with_channel (GossipContact *contact,
+				      TpChan        *tp_chan)
+{
+	GossipPrivateChat *chat;
+	EmpathyTpChat     *tp_chat;
+	McAccount         *account;
+
+	g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
+	g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
+
+	account = gossip_contact_get_account (contact);
+	chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
+	tp_chat = empathy_tp_chat_new (account, tp_chan);
+
+	private_chat_setup (chat, contact, tp_chat);
+	g_object_unref (tp_chat);
+
+	return chat;
+}
+
+/* Pads a pixbuf to the specified size, by centering it in a larger transparent
+ * pixbuf. Returns a new ref.
+ */
+#if 0
+FIXME:
+static GdkPixbuf *
+private_chat_pad_to_size (GdkPixbuf *pixbuf,
+			  gint       width,
+			  gint       height,
+			  gint       extra_padding_right)
+{
+	gint       src_width, src_height;
+	GdkPixbuf *padded;
+	gint       x_offset, y_offset;
+
+	src_width = gdk_pixbuf_get_width (pixbuf);
+	src_height = gdk_pixbuf_get_height (pixbuf);
+
+	x_offset = (width - src_width) / 2;
+	y_offset = (height - src_height) / 2;
+
+	padded = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf),
+				 TRUE, /* alpha */
+				 gdk_pixbuf_get_bits_per_sample (pixbuf),
+				 width + extra_padding_right,
+				 height);
+
+	gdk_pixbuf_fill (padded, 0);
+
+	gdk_pixbuf_copy_area (pixbuf,
+			      0, /* source coords */
+			      0,
+			      src_width,
+			      src_height,
+			      padded,
+			      x_offset, /* dest coords */
+			      y_offset);
+
+	return padded;
+}
+#endif
+