EmpathyCallFactory -> EmpathyStreamedMediaFactory

1 files changed, 342 insertions, 0 deletions

diff --git a/libempathy/empathy-streamed-media-factory.c b/libempathy/empathy-streamed-media-factory.c
new file mode 100644
index 000000000..7e7785546
--- /dev/null
+++ b/libempathy/empathy-streamed-media-factory.c
@@ -0,0 +1,342 @@
+/*
+ * empathy-streamed-media-factory.c - Source for EmpathyStreamedMediaFactory
+ * Copyright (C) 2008-2011 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+
+#include <telepathy-glib/account-channel-request.h>
+#include <telepathy-glib/simple-handler.h>
+#include <telepathy-glib/interfaces.h>
+#include <telepathy-glib/util.h>
+
+#include "empathy-dispatcher.h"
+#include "empathy-marshal.h"
+#include "empathy-streamed-media-factory.h"
+#include "empathy-utils.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
+#include <libempathy/empathy-debug.h>
+
+G_DEFINE_TYPE(EmpathyStreamedMediaFactory, empathy_streamed_media_factory, G_TYPE_OBJECT)
+
+static void handle_channels_cb (TpSimpleHandler *handler,
+    TpAccount *account,
+    TpConnection *connection,
+    GList *channels,
+    GList *requests_satisfied,
+    gint64 user_action_time,
+    TpHandleChannelsContext *context,
+    gpointer user_data);
+
+/* signal enum */
+enum
+{
+    NEW_STREAMED_MEDIA_HANDLER,
+    LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+
+/* private structure */
+typedef struct {
+  TpBaseClient *handler;
+  gboolean dispose_has_run;
+} EmpathyStreamedMediaFactoryPriv;
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyStreamedMediaFactory)
+
+static GObject *call_factory = NULL;
+
+static void
+empathy_streamed_media_factory_init (EmpathyStreamedMediaFactory *obj)
+{
+  EmpathyStreamedMediaFactoryPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
+    EMPATHY_TYPE_STREAMED_MEDIA_FACTORY, EmpathyStreamedMediaFactoryPriv);
+  TpDBusDaemon *dbus;
+  GError *error = NULL;
+
+  obj->priv = priv;
+
+  dbus = tp_dbus_daemon_dup (&error);
+  if (dbus == NULL)
+    {
+      g_warning ("Failed to get TpDBusDaemon: %s", error->message);
+      g_error_free (error);
+      return;
+    }
+
+  priv->handler = tp_simple_handler_new (dbus, FALSE, FALSE,
+      "Empathy.AudioVideo", FALSE, handle_channels_cb, obj, NULL);
+
+  tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
+        TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
+          TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+        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_STREAMED_MEDIA,
+        TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
+        TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, G_TYPE_BOOLEAN, TRUE,
+        NULL));
+
+  tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
+        TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
+          TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+        TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
+        TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, G_TYPE_BOOLEAN, TRUE,
+        NULL));
+
+  tp_base_client_add_handler_capabilities_varargs (priv->handler,
+    "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/ice-udp",
+    "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/gtalk-p2p",
+    "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/video/h264",
+    NULL);
+
+  g_object_unref (dbus);
+}
+
+static GObject *
+empathy_streamed_media_factory_constructor (GType type, guint n_construct_params,
+  GObjectConstructParam *construct_params)
+{
+  g_return_val_if_fail (call_factory == NULL, NULL);
+
+  call_factory = G_OBJECT_CLASS (empathy_streamed_media_factory_parent_class)->constructor
+          (type, n_construct_params, construct_params);
+  g_object_add_weak_pointer (call_factory, (gpointer)&call_factory);
+
+  return call_factory;
+}
+
+static void
+empathy_streamed_media_factory_finalize (GObject *object)
+{
+  /* free any data held directly by the object here */
+
+  if (G_OBJECT_CLASS (empathy_streamed_media_factory_parent_class)->finalize)
+    G_OBJECT_CLASS (empathy_streamed_media_factory_parent_class)->finalize (object);
+}
+
+static void
+empathy_streamed_media_factory_dispose (GObject *object)
+{
+  EmpathyStreamedMediaFactoryPriv *priv = GET_PRIV (object);
+
+  if (priv->dispose_has_run)
+    return;
+
+  priv->dispose_has_run = TRUE;
+
+  tp_clear_object (&priv->handler);
+
+  if (G_OBJECT_CLASS (empathy_streamed_media_factory_parent_class)->dispose)
+    G_OBJECT_CLASS (empathy_streamed_media_factory_parent_class)->dispose (object);
+}
+
+static void
+empathy_streamed_media_factory_class_init (
+  EmpathyStreamedMediaFactoryClass *empathy_streamed_media_factory_class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (empathy_streamed_media_factory_class);
+
+  g_type_class_add_private (empathy_streamed_media_factory_class,
+    sizeof (EmpathyStreamedMediaFactoryPriv));
+
+  object_class->constructor = empathy_streamed_media_factory_constructor;
+  object_class->dispose = empathy_streamed_media_factory_dispose;
+  object_class->finalize = empathy_streamed_media_factory_finalize;
+
+  signals[NEW_STREAMED_MEDIA_HANDLER] =
+    g_signal_new ("new-streamed-media-handler",
+      G_TYPE_FROM_CLASS (empathy_streamed_media_factory_class),
+      G_SIGNAL_RUN_LAST, 0,
+      NULL, NULL,
+      _empathy_marshal_VOID__OBJECT_BOOLEAN,
+      G_TYPE_NONE,
+      2, EMPATHY_TYPE_STREAMED_MEDIA_HANDLER, G_TYPE_BOOLEAN);
+}
+
+EmpathyStreamedMediaFactory *
+empathy_streamed_media_factory_initialise (void)
+{
+  g_return_val_if_fail (call_factory == NULL, NULL);
+
+  return EMPATHY_STREAMED_MEDIA_FACTORY (g_object_new (EMPATHY_TYPE_STREAMED_MEDIA_FACTORY, NULL));
+}
+
+EmpathyStreamedMediaFactory *
+empathy_streamed_media_factory_get (void)
+{
+  g_return_val_if_fail (call_factory != NULL, NULL);
+
+  return EMPATHY_STREAMED_MEDIA_FACTORY (call_factory);
+}
+
+GHashTable *
+empathy_streamed_media_factory_create_request (EmpathyContact *contact,
+    gboolean initial_audio,
+    gboolean initial_video)
+{
+  return tp_asv_new (
+      TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
+        TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+      TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
+      TP_PROP_CHANNEL_TARGET_HANDLE, G_TYPE_UINT,
+        empathy_contact_get_handle (contact),
+      TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, G_TYPE_BOOLEAN,
+        initial_audio,
+      TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, G_TYPE_BOOLEAN,
+        initial_video,
+      NULL);
+}
+
+static void
+create_media_channel_cb (GObject *source,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  GError *error = NULL;
+
+  if (!tp_account_channel_request_create_channel_finish (
+        TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
+    {
+      DEBUG ("Failed to create media channel: %s", error->message);
+      g_error_free (error);
+    }
+}
+
+/**
+ * empathy_streamed_media_factory_new_call_with_streams:
+ * @factory: an #EmpathyStreamedMediaFactory
+ * @contact: an #EmpathyContact
+ * @initial_audio: if %TRUE the call will be started with audio
+ * @initial_video: if %TRUE the call will be started with video
+ *
+ * Initiate a new call with @contact.
+ */
+void
+empathy_streamed_media_factory_new_call_with_streams (EmpathyContact *contact,
+    gboolean initial_audio,
+    gboolean initial_video,
+    gint64 timestamp,
+    gpointer user_data)
+{
+  GHashTable *request;
+  TpAccount *account;
+  TpAccountChannelRequest *req;
+
+  request = empathy_streamed_media_factory_create_request (contact, initial_audio,
+      initial_video);
+
+  account = empathy_contact_get_account (contact);
+
+  req = tp_account_channel_request_new (account, request, timestamp);
+
+  tp_account_channel_request_create_channel_async (req, NULL, NULL,
+      create_media_channel_cb, NULL);
+
+  g_hash_table_unref (request);
+  g_object_unref (req);
+}
+
+static void
+create_streamed_media_handler (EmpathyStreamedMediaFactory *factory,
+  EmpathyTpStreamedMedia *call)
+{
+  EmpathyStreamedMediaHandler *handler;
+
+  g_return_if_fail (factory != NULL);
+
+  handler = empathy_streamed_media_handler_new_for_channel (call);
+
+  g_signal_emit (factory, signals[NEW_STREAMED_MEDIA_HANDLER], 0,
+    handler, FALSE);
+
+  g_object_unref (handler);
+}
+
+static void
+call_status_changed_cb (EmpathyTpStreamedMedia *call,
+    GParamSpec *spec,
+    EmpathyStreamedMediaFactory *self)
+{
+  if (empathy_tp_streamed_media_get_status (call) <= EMPATHY_TP_STREAMED_MEDIA_STATUS_READYING)
+    return;
+
+  create_streamed_media_handler (self, call);
+
+  g_signal_handlers_disconnect_by_func (call, call_status_changed_cb, self);
+  g_object_unref (call);
+}
+
+static void
+handle_channels_cb (TpSimpleHandler *handler,
+    TpAccount *account,
+    TpConnection *connection,
+    GList *channels,
+    GList *requests_satisfied,
+    gint64 user_action_time,
+    TpHandleChannelsContext *context,
+    gpointer user_data)
+{
+  EmpathyStreamedMediaFactory *self = user_data;
+  GList *l;
+
+  for (l = channels; l != NULL; l = g_list_next (l))
+    {
+      TpChannel *channel = l->data;
+      EmpathyTpStreamedMedia *call;
+
+      if (tp_proxy_get_invalidated (channel) != NULL)
+        continue;
+
+      if (tp_channel_get_channel_type_id (channel) !=
+          TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
+        continue;
+
+      call = empathy_tp_streamed_media_new (account, channel);
+
+      if (empathy_tp_streamed_media_get_status (call) <= EMPATHY_TP_STREAMED_MEDIA_STATUS_READYING)
+        {
+          /* We have to wait that the TpStreamedMedia is ready as the
+           * call-handler rely on it. */
+          tp_g_signal_connect_object (call, "notify::status",
+              G_CALLBACK (call_status_changed_cb), self, 0);
+          continue;
+        }
+
+      create_streamed_media_handler (self, call);
+      g_object_unref (call);
+    }
+
+  tp_handle_channels_context_accept (context);
+}
+
+gboolean
+empathy_streamed_media_factory_register (EmpathyStreamedMediaFactory *self,
+    GError **error)
+{
+  EmpathyStreamedMediaFactoryPriv *priv = GET_PRIV (self);
+
+  return tp_base_client_register (priv->handler, error);
+}