[Telepathy-commits] [telepathy-gabble/master] add GabbleOlpcGadgetManager, the Gadget views channel manager

Guillaume Desmottes guillaume.desmottes at collabora.co.uk
Tue Oct 7 08:46:46 PDT 2008


---
 src/olpc-gadget-manager.c |  437 +++++++++++++++++++++++++++++++++++++++++++++
 src/olpc-gadget-manager.h |   70 +++++++
 2 files changed, 507 insertions(+), 0 deletions(-)
 create mode 100644 src/olpc-gadget-manager.c
 create mode 100644 src/olpc-gadget-manager.h

diff --git a/src/olpc-gadget-manager.c b/src/olpc-gadget-manager.c
new file mode 100644
index 0000000..98054c4
--- /dev/null
+++ b/src/olpc-gadget-manager.c
@@ -0,0 +1,437 @@
+/*
+ * olpc-gadget-manager - ChannelManager for Gadget views
+ * Copyright (C) 2008 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 "olpc-gadget-manager.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <loudmouth/loudmouth.h>
+#include <telepathy-glib/channel-manager.h>
+#include <telepathy-glib/dbus.h>
+#include <telepathy-glib/gtypes.h>
+#include <telepathy-glib/interfaces.h>
+#include <telepathy-glib/util.h>
+
+#define DEBUG_FLAG GABBLE_DEBUG_MUC
+
+#include <extensions/extensions.h>
+
+#include "connection.h"
+#include "debug.h"
+#include "namespaces.h"
+#include "olpc-buddy-view.h"
+#include "util.h"
+
+
+static void channel_manager_iface_init (gpointer, gpointer);
+
+
+G_DEFINE_TYPE_WITH_CODE (GabbleOlpcGadgetManager, gabble_olpc_gadget_manager,
+    G_TYPE_OBJECT,
+    G_IMPLEMENT_INTERFACE (TP_TYPE_CHANNEL_MANAGER,
+      channel_manager_iface_init));
+
+/* properties */
+enum
+{
+  PROP_CONNECTION = 1,
+  LAST_PROPERTY
+};
+
+
+struct _GabbleOlpcGadgetManagerPrivate
+{
+  GabbleConnection *conn;
+
+  guint next_view_number;
+  GHashTable *channels;
+
+  gboolean dispose_has_run;
+};
+
+
+static void
+gabble_olpc_gadget_manager_init (GabbleOlpcGadgetManager *self)
+{
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+        GABBLE_TYPE_OLPC_GADGET_MANAGER, GabbleOlpcGadgetManagerPrivate);
+
+  /* view id guint => GabbleOlpcView */
+  self->priv->channels = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+      NULL, (GDestroyNotify) g_object_unref);
+}
+
+
+static void
+gabble_olpc_gadget_manager_close_all (GabbleOlpcGadgetManager *self)
+{
+  DEBUG ("%p", self);
+
+  if (self->priv->channels != NULL)
+    {
+      GHashTableIter iter;
+      gpointer key, value;
+
+      g_hash_table_iter_init (&iter, self->priv->channels);
+      while (g_hash_table_iter_next (&iter, &key, &value))
+        {
+          GabbleOlpcView *channel = GABBLE_OLPC_VIEW (value);
+
+          DEBUG ("Channel's refcount is %u before unref",
+              G_OBJECT (channel)->ref_count);
+
+          g_object_unref (channel);
+        }
+
+      self->priv->channels = NULL;
+    }
+}
+
+static void
+gabble_olpc_gadget_manager_dispose (GObject *object)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (object);
+
+  if (self->priv->dispose_has_run)
+    return;
+
+  DEBUG ("running");
+  self->priv->dispose_has_run = TRUE;
+
+  gabble_olpc_gadget_manager_close_all (self);
+  g_assert (self->priv->channels == NULL);
+
+  if (G_OBJECT_CLASS (gabble_olpc_gadget_manager_parent_class)->dispose)
+    G_OBJECT_CLASS (gabble_olpc_gadget_manager_parent_class)->dispose (object);
+}
+
+
+static void
+gabble_olpc_gadget_manager_get_property (GObject *object,
+                                         guint property_id,
+                                         GValue *value,
+                                         GParamSpec *pspec)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (object);
+
+  switch (property_id)
+    {
+    case PROP_CONNECTION:
+      g_value_set_object (value, self->priv->conn);
+      break;
+    }
+}
+
+
+static void
+gabble_olpc_gadget_manager_set_property (GObject *object,
+                                         guint property_id,
+                                         const GValue *value,
+                                         GParamSpec *pspec)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (object);
+
+  switch (property_id)
+    {
+    case PROP_CONNECTION:
+      g_assert (self->priv->conn == NULL);
+      self->priv->conn = g_value_get_object (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+
+/* TODO: remove if useless */
+static void
+gabble_olpc_gadget_manager_constructed (GObject *object)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (object);
+  void (*chain_up) (GObject *) =
+      G_OBJECT_CLASS (gabble_olpc_gadget_manager_parent_class)->constructed;
+
+  DEBUG ("%p", self);
+
+  if (chain_up != NULL)
+    chain_up (object);
+}
+
+
+static void
+gabble_olpc_gadget_manager_class_init (GabbleOlpcGadgetManagerClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GParamSpec *param_spec;
+
+  g_type_class_add_private (klass, sizeof (GabbleOlpcGadgetManagerPrivate));
+
+  object_class->constructed = gabble_olpc_gadget_manager_constructed;
+  object_class->dispose = gabble_olpc_gadget_manager_dispose;
+
+  object_class->get_property = gabble_olpc_gadget_manager_get_property;
+  object_class->set_property = gabble_olpc_gadget_manager_set_property;
+
+  param_spec = g_param_spec_object ("connection", "GabbleConnection object",
+      "Gabble connection object that owns this olpc-gadget manager.",
+      GABBLE_TYPE_CONNECTION,
+      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE |
+      G_PARAM_STATIC_STRINGS);
+  g_object_class_install_property (object_class, PROP_CONNECTION, param_spec);
+}
+
+
+static void
+gabble_olpc_gadget_manager_foreach_channel (TpChannelManager *manager,
+                                            TpExportableChannelFunc foreach,
+                                            gpointer user_data)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (manager);
+  GHashTableIter iter;
+  gpointer key, value;
+
+  g_hash_table_iter_init (&iter, self->priv->channels);
+  while (g_hash_table_iter_next (&iter, &key, &value))
+    {
+      TpExportableChannel *channel = TP_EXPORTABLE_CHANNEL (value);
+
+      foreach (channel, user_data);
+    }
+}
+
+
+static const gchar * const olpc_gadget_channel_fixed_properties[] = {
+    TP_IFACE_CHANNEL ".ChannelType",
+    NULL
+};
+
+static const gchar * const olpc_gadget_channel_allowed_properties[] = {
+    GABBLE_IFACE_OLPC_CHANNEL_INTERFACE_VIEW ".MaxSize",
+    GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW ".Properties",
+    GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW ".Alias",
+    NULL
+};
+
+
+static void
+gabble_olpc_gadget_manager_foreach_channel_class (TpChannelManager *manager,
+    TpChannelManagerChannelClassFunc func,
+    gpointer user_data)
+{
+  GHashTable *table = g_hash_table_new_full (g_str_hash, g_str_equal,
+      NULL, (GDestroyNotify) tp_g_value_slice_free);
+  GValue *value;
+
+  value = tp_g_value_slice_new (G_TYPE_STRING);
+  g_value_set_static_string (value, GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW);
+  g_hash_table_insert (table, TP_IFACE_CHANNEL ".ChannelType", value);
+
+  func (manager, table, olpc_gadget_channel_allowed_properties, user_data);
+
+  g_hash_table_destroy (table);
+}
+
+static gboolean
+remove_channel_foreach (gpointer key,
+                        gpointer value,
+                        gpointer channel)
+{
+  return value == channel;
+}
+
+static void
+olpc_gadget_channel_closed_cb (GabbleOlpcView *channel,
+                               gpointer user_data)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (user_data);
+
+  tp_channel_manager_emit_channel_closed_for_object (self,
+      TP_EXPORTABLE_CHANNEL (channel));
+
+  if (self->priv->channels != NULL)
+    {
+      g_hash_table_foreach_remove (self->priv->channels, remove_channel_foreach,
+          channel);
+    }
+}
+
+static gboolean
+gabble_olpc_gadget_manager_handle_request (TpChannelManager *manager,
+                                           gpointer request_token,
+                                           GHashTable *request_properties)
+{
+  GabbleOlpcGadgetManager *self = GABBLE_OLPC_GADGET_MANAGER (manager);
+  TpBaseConnection *conn = (TpBaseConnection *) self->priv->conn;
+  GabbleOlpcView *channel = NULL;
+  GError *error = NULL;
+  GSList *request_tokens;
+  gchar *object_path;
+  guint max_size;
+  const gchar *alias;
+  GHashTable *properties;
+  gboolean valid;
+
+  if (tp_strdiff (tp_asv_get_string (request_properties,
+          TP_IFACE_CHANNEL ".ChannelType"),
+        GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW))
+    return FALSE;
+
+  if ((tp_asv_get_uint32 (request_properties,
+       TP_IFACE_CHANNEL ".TargetHandleType", NULL) != 0) ||
+      (tp_asv_get_uint32 (request_properties,
+      TP_IFACE_CHANNEL ".TargetHandle", NULL) != 0))
+    {
+      g_set_error (&error, TP_ERRORS, TP_ERROR_NOT_IMPLEMENTED,
+          "Views channels can't have a target handle");
+      goto error;
+    }
+
+  if (tp_channel_manager_asv_has_unknown_properties (request_properties,
+          olpc_gadget_channel_fixed_properties,
+          olpc_gadget_channel_allowed_properties,
+          &error))
+    goto error;
+
+  max_size = tp_asv_get_uint32 (request_properties,
+      GABBLE_IFACE_OLPC_CHANNEL_INTERFACE_VIEW ".MaxSize", &valid);
+  if (!valid)
+    {
+      g_set_error (&error, TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
+          "MaxSize property is mandatory");
+      goto error;
+    }
+
+  properties = tp_asv_get_boxed (request_properties,
+      GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW ".Properties",
+      TP_HASH_TYPE_STRING_VARIANT_MAP);
+
+  alias = tp_asv_get_string (request_properties,
+      GABBLE_IFACE_OLPC_CHANNEL_TYPE_BUDDYVIEW ".Alias");
+
+  object_path = g_strdup_printf ("%s/OlpcBuddyViewChannel%u", conn->object_path,
+      self->priv->next_view_number++);
+
+  channel = gabble_olpc_buddy_view_new (self->priv->conn, object_path,
+      self->priv->next_view_number, max_size, properties, alias);
+  g_assert (channel != NULL);
+  g_signal_connect (channel, "closed",
+      (GCallback) olpc_gadget_channel_closed_cb, self);
+  g_hash_table_insert (self->priv->channels,
+      GUINT_TO_POINTER (self->priv->next_view_number), channel);
+
+  request_tokens = g_slist_prepend (NULL, request_token);
+  tp_channel_manager_emit_new_channel (self,
+      TP_EXPORTABLE_CHANNEL (channel), request_tokens);
+  g_slist_free (request_tokens);
+
+  g_free (object_path);
+
+  /* FIXME: raise a D-Bus error if failed */
+  gabble_olpc_buddy_view_send_request (channel, NULL);
+
+  return TRUE;
+
+error:
+  tp_channel_manager_emit_request_failed (self, request_token,
+      error->domain, error->code, error->message);
+  g_error_free (error);
+  return TRUE;
+}
+
+
+static gboolean
+gabble_olpc_gadget_manager_create_channel (TpChannelManager *manager,
+                                        gpointer request_token,
+                                        GHashTable *request_properties)
+{
+  return gabble_olpc_gadget_manager_handle_request (manager, request_token,
+      request_properties);
+}
+
+
+static gboolean
+gabble_olpc_gadget_manager_request_channel (TpChannelManager *manager,
+                                         gpointer request_token,
+                                         GHashTable *request_properties)
+{
+  return gabble_olpc_gadget_manager_handle_request (manager, request_token,
+      request_properties);
+}
+
+
+static gboolean
+gabble_olpc_gadget_manager_ensure_channel (TpChannelManager *manager,
+                                        gpointer request_token,
+                                        GHashTable *request_properties)
+{
+  return gabble_olpc_gadget_manager_handle_request (manager, request_token,
+      request_properties);
+}
+
+
+static void
+channel_manager_iface_init (gpointer g_iface,
+                            gpointer iface_data)
+{
+  TpChannelManagerIface *iface = g_iface;
+
+  iface->foreach_channel = gabble_olpc_gadget_manager_foreach_channel;
+  iface->foreach_channel_class = gabble_olpc_gadget_manager_foreach_channel_class;
+  iface->request_channel = gabble_olpc_gadget_manager_request_channel;
+  iface->create_channel = gabble_olpc_gadget_manager_create_channel;
+  iface->ensure_channel = gabble_olpc_gadget_manager_ensure_channel;
+}
+
+static gboolean
+find_view_having_properties_for_buddy (gpointer id,
+                                       gpointer value,
+                                       gpointer buddy)
+{
+  GabbleOlpcView *view = GABBLE_OLPC_VIEW (value);
+  TpHandle handle = GPOINTER_TO_UINT (buddy);
+
+  return gabble_olpc_view_get_buddy_properties (view, handle) != NULL;
+}
+
+GHashTable *
+gabble_olpc_gadget_manager_find_buddy_properties_from_views (
+    GabbleOlpcGadgetManager *self,
+    TpHandle buddy)
+{
+  GabbleOlpcView *view;
+
+  view = g_hash_table_find (self->priv->channels,
+      find_view_having_properties_for_buddy, GUINT_TO_POINTER (buddy));
+  if (view == NULL)
+    return NULL;
+
+  return gabble_olpc_view_get_buddy_properties (view, buddy);
+}
+
+GabbleOlpcView *
+gabble_olpc_gadget_manager_get_view (GabbleOlpcGadgetManager *self,
+                                     guint id)
+{
+  return g_hash_table_lookup (self->priv->channels, GUINT_TO_POINTER (id));
+}
diff --git a/src/olpc-gadget-manager.h b/src/olpc-gadget-manager.h
new file mode 100644
index 0000000..bccfd46
--- /dev/null
+++ b/src/olpc-gadget-manager.h
@@ -0,0 +1,70 @@
+/*
+ * olpc-gadget-manager - ChannelManager for Gadget views
+ * Copyright (C) 2008 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
+ */
+
+#ifndef GABBLE_OLPC_GADGET_MANAGER_H
+#define GABBLE_OLPC_GADGET_MANAGER_H
+
+#include <glib-object.h>
+#include <telepathy-glib/handle.h>
+
+#include "olpc-buddy-view.h"
+
+G_BEGIN_DECLS
+
+typedef struct _GabbleOlpcGadgetManagerClass GabbleOlpcGadgetManagerClass;
+typedef struct _GabbleOlpcGadgetManagerPrivate GabbleOlpcGadgetManagerPrivate;
+
+struct _GabbleOlpcGadgetManagerClass {
+  GObjectClass parent_class;
+};
+
+struct _GabbleOlpcGadgetManager {
+  GObject parent;
+
+  GabbleOlpcGadgetManagerPrivate *priv;
+};
+
+GType gabble_olpc_gadget_manager_get_type (void);
+
+/* TYPE MACROS */
+#define GABBLE_TYPE_OLPC_GADGET_MANAGER \
+  (gabble_olpc_gadget_manager_get_type ())
+#define GABBLE_OLPC_GADGET_MANAGER(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), GABBLE_TYPE_OLPC_GADGET_MANAGER,\
+                              GabbleOlpcGadgetManager))
+#define GABBLE_OLPC_GADGET_MANAGER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), GABBLE_TYPE_OLPC_GADGET_MANAGER,\
+                           GabbleOlpcGadgetManagerClass))
+#define GABBLE_IS_OLPC_GADGET_MANAGER(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GABBLE_TYPE_OLPC_GADGET_MANAGER))
+#define GABBLE_IS_OLPC_GADGET_MANAGER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GABBLE_TYPE_OLPC_GADGET_MANAGER))
+#define GABBLE_OLPC_GADGET_MANAGER_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), GABBLE_TYPE_OLPC_GADGET_MANAGER,\
+                              GabbleOlpcGadgetManagerClass))
+
+GHashTable * gabble_olpc_gadget_manager_find_buddy_properties_from_views (
+    GabbleOlpcGadgetManager *self, TpHandle buddy);
+
+GabbleOlpcView * gabble_olpc_gadget_manager_get_view (
+    GabbleOlpcGadgetManager *self, guint id);
+
+G_END_DECLS
+
+#endif
-- 
1.5.6.5




More information about the Telepathy-commits mailing list