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/*
* empathy-chat-manager.c - Source for EmpathyChatManager
* Copyright (C) 2010 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "empathy-chat-manager.h"
#include <telepathy-glib/proxy-subclass.h>
#include <telepathy-glib/telepathy-glib-dbus.h>
#include "empathy-chatroom-manager.h"
#include "empathy-chat-window.h"
#include "empathy-request-util.h"
#include "empathy-ui-utils.h"
#include "extensions.h"
#include "chat-manager-interface.h"
#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include "empathy-debug.h"
#define CHAT_MANAGER_PATH "/org/gnome/Empathy/ChatManager"
enum {
CLOSED_CHATS_CHANGED,
DISPLAYED_CHATS_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
static void svc_iface_init (gpointer, gpointer);
G_DEFINE_TYPE_WITH_CODE (EmpathyChatManager, empathy_chat_manager,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (EMP_TYPE_SVC_CHAT_MANAGER,
svc_iface_init)
)
/* private structure */
typedef struct _EmpathyChatManagerPriv EmpathyChatManagerPriv;
struct _EmpathyChatManagerPriv
{
EmpathyChatroomManager *chatroom_mgr;
/* Queue of (ChatData *) representing the closed chats */
GQueue *closed_queue;
guint num_displayed_chat;
/* account path -> (GHashTable<(owned gchar *) contact ID
* -> (owned gchar *) non-NULL message>)
*/
GHashTable *messages;
TpBaseClient *handler;
/* Cached to keep Folks in memory while empathy-chat is running; we don't
* want to reload it each time the last chat window is closed
* and re-opened. */
EmpathyIndividualManager *individual_mgr;
};
#define GET_PRIV(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CHAT_MANAGER, \
EmpathyChatManagerPriv))
static EmpathyChatManager *chat_manager_singleton = NULL;
typedef struct
{
TpAccount *account;
gchar *id;
gboolean room;
gboolean sms;
} ChatData;
static ChatData *
chat_data_new (EmpathyChat *chat)
{
ChatData *data = NULL;
data = g_slice_new0 (ChatData);
data->account = g_object_ref (empathy_chat_get_account (chat));
data->id = g_strdup (empathy_chat_get_id (chat));
data->room = empathy_chat_is_room (chat);
data->sms = empathy_chat_is_sms_channel (chat);
return data;
}
static void
chat_data_free (ChatData *data)
{
if (data->account != NULL)
{
g_object_unref (data->account);
data->account = NULL;
}
if (data->id != NULL)
{
g_free (data->id);
data->id = NULL;
}
g_slice_free (ChatData, data);
}
static void
chat_destroyed_cb (gpointer data,
GObject *object)
{
EmpathyChatManager *self = data;
EmpathyChatManagerPriv *priv = GET_PRIV (self);
priv->num_displayed_chat--;
DEBUG ("Chat destroyed; we are now displaying %u chats",
priv->num_displayed_chat);
g_signal_emit (self, signals[DISPLAYED_CHATS_CHANGED], 0,
priv->num_displayed_chat);
}
static void
join_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
TpChannel *channel = TP_CHANNEL (source);
GError *error = NULL;
if (!tp_channel_join_finish (channel, result, &error))
{
DEBUG ("Failed to join chat (%s): %s",
tp_channel_get_identifier (channel), error->message);
g_error_free (error);
}
}
static void
individual_mgr_cb (EmpathyChatWindow *window,
GParamSpec *spec,
EmpathyChatManager *self)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
if (priv->individual_mgr != NULL)
return;
priv->individual_mgr = empathy_chat_window_get_individual_manager (window);
g_object_ref (priv->individual_mgr);
}
static void
process_tp_chat (EmpathyChatManager *self,
EmpathyTpChat *tp_chat,
TpAccount *account,
gint64 user_action_time)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
EmpathyChat *chat = NULL;
const gchar *id;
EmpathyChatWindow *window;
id = empathy_tp_chat_get_id (tp_chat);
if (!tp_str_empty (id))
{
chat = empathy_chat_window_find_chat (account, id,
tp_text_channel_is_sms_channel ((TpTextChannel *) tp_chat));
}
if (chat != NULL)
{
empathy_chat_set_tp_chat (chat, tp_chat);
}
else
{
GHashTable *chats = NULL;
chat = empathy_chat_new (tp_chat);
/* empathy_chat_new returns a floating reference as EmpathyChat is
* a GtkWidget. This reference will be taken by a container
* (a GtkNotebook) when we'll call empathy_chat_window_present_chat */
priv->num_displayed_chat++;
DEBUG ("Chat displayed; we are now displaying %u chat",
priv->num_displayed_chat);
g_signal_emit (self, signals[DISPLAYED_CHATS_CHANGED], 0,
priv->num_displayed_chat);
/* Set the saved message in the channel if we have one. */
chats = g_hash_table_lookup (priv->messages,
tp_proxy_get_object_path (account));
if (chats != NULL)
{
const gchar *msg = g_hash_table_lookup (chats, id);
if (msg != NULL)
empathy_chat_set_text (chat, msg);
}
g_object_weak_ref ((GObject *) chat, chat_destroyed_cb, self);
}
window = empathy_chat_window_present_chat (chat, user_action_time);
if (priv->individual_mgr == NULL)
{
/* We want to cache it as soon it's created */
tp_g_signal_connect_object (window, "notify::individual-manager",
G_CALLBACK (individual_mgr_cb), self, 0);
}
if (empathy_tp_chat_is_invited (tp_chat, NULL))
{
/* We have been invited to the room. Add ourself as member as this
* channel has been approved. */
tp_channel_join_async (TP_CHANNEL (tp_chat), "", join_cb, self);
}
}
static void
handle_channels (TpSimpleHandler *handler,
TpAccount *account,
TpConnection *connection,
GList *channels,
GList *requests_satisfied,
gint64 user_action_time,
TpHandleChannelsContext *context,
gpointer user_data)
{
EmpathyChatManager *self = (EmpathyChatManager *) user_data;
GList *l;
for (l = channels; l != NULL; l = g_list_next (l))
{
EmpathyTpChat *tp_chat = l->data;
if (tp_proxy_get_invalidated (tp_chat) != NULL)
continue;
if (!EMPATHY_IS_TP_CHAT (tp_chat))
{
DEBUG ("Channel %s doesn't implement Messages; can't handle it",
tp_proxy_get_object_path (tp_chat));
continue;
}
DEBUG ("Now handling channel %s", tp_proxy_get_object_path (tp_chat));
process_tp_chat (self, tp_chat, account, user_action_time);
}
tp_handle_channels_context_accept (context);
}
static void
empathy_chat_manager_init (EmpathyChatManager *self)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
TpAccountManager *am;
GError *error = NULL;
priv->closed_queue = g_queue_new ();
priv->messages = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, (GDestroyNotify) g_hash_table_unref);
am = tp_account_manager_dup ();
priv->chatroom_mgr = empathy_chatroom_manager_dup_singleton (NULL);
/* Text channels handler */
priv->handler = tp_simple_handler_new_with_am (am, FALSE, FALSE,
EMPATHY_CHAT_TP_BUS_NAME_SUFFIX, FALSE, handle_channels, self, NULL);
g_object_unref (am);
tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
NULL));
tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
NULL));
tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_NONE,
NULL));
if (!tp_base_client_register (priv->handler, &error))
{
g_critical ("Failed to register text handler: %s", error->message);
g_error_free (error);
}
}
static void
empathy_chat_manager_finalize (GObject *object)
{
EmpathyChatManager *self = EMPATHY_CHAT_MANAGER (object);
EmpathyChatManagerPriv *priv = GET_PRIV (self);
if (priv->closed_queue != NULL)
{
g_queue_foreach (priv->closed_queue, (GFunc) chat_data_free, NULL);
g_queue_free (priv->closed_queue);
priv->closed_queue = NULL;
}
tp_clear_pointer (&priv->messages, g_hash_table_unref);
tp_clear_object (&priv->handler);
tp_clear_object (&priv->chatroom_mgr);
tp_clear_object (&priv->individual_mgr);
G_OBJECT_CLASS (empathy_chat_manager_parent_class)->finalize (object);
}
static GObject *
empathy_chat_manager_constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *retval;
if (!chat_manager_singleton)
{
retval = G_OBJECT_CLASS (empathy_chat_manager_parent_class)->constructor
(type, n_construct_params, construct_params);
chat_manager_singleton = EMPATHY_CHAT_MANAGER (retval);
g_object_add_weak_pointer (retval, (gpointer) &chat_manager_singleton);
}
else
{
retval = g_object_ref (chat_manager_singleton);
}
return retval;
}
static void
empathy_chat_manager_constructed (GObject *obj)
{
TpDBusDaemon *dbus_daemon;
dbus_daemon = tp_dbus_daemon_dup (NULL);
if (dbus_daemon != NULL)
{
tp_dbus_daemon_register_object (dbus_daemon,
CHAT_MANAGER_PATH, obj);
g_object_unref (dbus_daemon);
}
}
static void
empathy_chat_manager_class_init (
EmpathyChatManagerClass *empathy_chat_manager_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (empathy_chat_manager_class);
object_class->finalize = empathy_chat_manager_finalize;
object_class->constructor = empathy_chat_manager_constructor;
object_class->constructed = empathy_chat_manager_constructed;
signals[CLOSED_CHATS_CHANGED] =
g_signal_new ("closed-chats-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1, G_TYPE_UINT, NULL);
signals[DISPLAYED_CHATS_CHANGED] =
g_signal_new ("displayed-chats-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_generic,
G_TYPE_NONE,
1, G_TYPE_UINT, NULL);
g_type_class_add_private (empathy_chat_manager_class,
sizeof (EmpathyChatManagerPriv));
}
EmpathyChatManager *
empathy_chat_manager_dup_singleton (void)
{
return g_object_new (EMPATHY_TYPE_CHAT_MANAGER, NULL);
}
void
empathy_chat_manager_closed_chat (EmpathyChatManager *self,
EmpathyChat *chat)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
ChatData *data;
GHashTable *chats;
gchar *message;
data = chat_data_new (chat);
DEBUG ("Adding %s to closed queue: %s",
data->room ? "room" : "contact", data->id);
g_queue_push_tail (priv->closed_queue, data);
g_signal_emit (self, signals[CLOSED_CHATS_CHANGED], 0,
g_queue_get_length (priv->closed_queue));
/* If there was a message saved from last time it was closed
* (perhaps by accident?) save it to our hash table so it can be
* used again when the same chat pops up. Hot. */
message = empathy_chat_dup_text (chat);
chats = g_hash_table_lookup (priv->messages,
tp_proxy_get_object_path (data->account));
/* Don't create a new hash table if we don't already have one and we
* don't actually have a message to save. */
if (chats == NULL && tp_str_empty (message))
{
g_free (message);
return;
}
else if (chats == NULL && !tp_str_empty (message))
{
chats = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, g_free);
g_hash_table_insert (priv->messages,
g_strdup (tp_proxy_get_object_path (data->account)),
chats);
}
if (tp_str_empty (message))
{
g_hash_table_remove (chats, data->id);
/* might be '\0' */
g_free (message);
}
else
{
/* takes ownership of message */
g_hash_table_insert (chats, g_strdup (data->id), message);
}
}
void
empathy_chat_manager_undo_closed_chat (EmpathyChatManager *self,
gint64 timestamp)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
ChatData *data;
data = g_queue_pop_tail (priv->closed_queue);
if (data == NULL)
return;
DEBUG ("Removing %s from closed queue and starting a chat with: %s",
data->room ? "room" : "contact", data->id);
if (data->room)
empathy_join_muc (data->account, data->id, timestamp);
else if (data->sms)
empathy_sms_contact_id (data->account, data->id, timestamp,
NULL, NULL);
else
empathy_chat_with_contact_id (data->account, data->id, timestamp,
NULL, NULL);
g_signal_emit (self, signals[CLOSED_CHATS_CHANGED], 0,
g_queue_get_length (priv->closed_queue));
chat_data_free (data);
}
guint
empathy_chat_manager_get_num_closed_chats (EmpathyChatManager *self)
{
EmpathyChatManagerPriv *priv = GET_PRIV (self);
return g_queue_get_length (priv->closed_queue);
}
static void
empathy_chat_manager_dbus_undo_closed_chat (EmpSvcChatManager *manager,
gint64 timestamp,
DBusGMethodInvocation *context)
{
empathy_chat_manager_undo_closed_chat ((EmpathyChatManager *) manager,
timestamp);
emp_svc_chat_manager_return_from_undo_closed_chat (context);
}
static void
svc_iface_init (gpointer g_iface,
gpointer iface_data)
{
EmpSvcChatManagerClass *klass = (EmpSvcChatManagerClass *) g_iface;
#define IMPLEMENT(x) emp_svc_chat_manager_implement_##x (\
klass, empathy_chat_manager_dbus_##x)
IMPLEMENT(undo_closed_chat);
#undef IMPLEMENT
}
static void
undo_closed_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GError *error = NULL;
if (!empathy_gen_chat_manager_call_undo_closed_chat_finish (
EMPATHY_GEN_CHAT_MANAGER (source), result,
&error))
{
DEBUG ("UndoClosedChat failed: %s", error->message);
g_error_free (error);
}
}
static void
chat_mgr_proxy_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
EmpathyGenChatManager *proxy;
GError *error = NULL;
GVariant *action_time = user_data;
proxy = empathy_gen_chat_manager_proxy_new_for_bus_finish (result, &error);
if (proxy == NULL)
{
DEBUG ("Failed to create ChatManager proxy: %s", error->message);
g_error_free (error);
goto finally;
}
empathy_gen_chat_manager_call_undo_closed_chat (proxy,
g_variant_get_int64 (action_time), NULL, undo_closed_cb, NULL);
g_object_unref (proxy);
finally:
g_variant_unref (action_time);
}
void
empathy_chat_manager_call_undo_closed_chat (void)
{
gint64 action_time;
action_time = empathy_get_current_action_time ();
empathy_gen_chat_manager_proxy_new_for_bus (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE, EMPATHY_CHAT_TP_BUS_NAME, CHAT_MANAGER_PATH,
NULL, chat_mgr_proxy_cb,
/* We can't use GINT_TO_POINTER as we won't be able to store a 64 bits
* integer on a 32 bits plateform. Use a GVariant for its convenient
* API. */
g_variant_new_int64 (action_time));
}
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