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[empathy] Add individual-store-channel

commit 2a03f6ffb41e22d712ed790cdb9aed4a823c1e81
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Nov 8 15:00:30 2011 +0100

    Add individual-store-channel
    
    This will allow us to use the individual view to display muc members.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=663387

 libempathy-gtk/Makefile.am                        |    2 +
 libempathy-gtk/empathy-individual-store-channel.c |  330 +++++++++++++++++++++
 libempathy-gtk/empathy-individual-store-channel.h |   65 ++++
 3 files changed, 397 insertions(+), 0 deletions(-)
---
diff --git a/libempathy-gtk/Makefile.am b/libempathy-gtk/Makefile.am
index 50f9326..9226b69 100644
--- a/libempathy-gtk/Makefile.am
+++ b/libempathy-gtk/Makefile.am
@@ -62,6 +62,7 @@ libempathy_gtk_handwritten_source =            	\
 	empathy-individual-linker.c		\
 	empathy-individual-menu.c		\
 	empathy-individual-store.c		\
+	empathy-individual-store-channel.c		\
 	empathy-individual-store-manager.c		\
 	empathy-individual-view.c		\
 	empathy-individual-widget.c		\
@@ -133,6 +134,7 @@ libempathy_gtk_headers =			\
 	empathy-individual-linker.h		\
 	empathy-individual-menu.h		\
 	empathy-individual-store.h		\
+	empathy-individual-store-channel.h		\
 	empathy-individual-store-manager.h		\
 	empathy-individual-view.h		\
 	empathy-individual-widget.h		\
diff --git a/libempathy-gtk/empathy-individual-store-channel.c b/libempathy-gtk/empathy-individual-store-channel.c
new file mode 100644
index 0000000..aa9f0e2
--- /dev/null
+++ b/libempathy-gtk/empathy-individual-store-channel.c
@@ -0,0 +1,330 @@
+/*
+ * Copyright (C) 2005-2007 Imendio AB
+ * Copyright (C) 2007-2011 Collabora Ltd.
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ *
+ * Authors: Mikael Hallendal <micke imendio com>
+ *          Martyn Russell <martyn imendio com>
+ *          Xavier Claessens <xclaesse gmail com>
+ *          Travis Reitter <travis reitter collabora co uk>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+
+#include <folks/folks.h>
+#include <folks/folks-telepathy.h>
+#include <telepathy-glib/util.h>
+
+#include <libempathy/empathy-utils.h>
+#include <libempathy/empathy-enum-types.h>
+
+#include "empathy-individual-store-channel.h"
+
+#include "empathy-ui-utils.h"
+#include "empathy-gtk-enum-types.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_CONTACT
+#include <libempathy/empathy-debug.h>
+
+struct _EmpathyIndividualStoreChannelPriv
+{
+  TpChannel *channel;
+
+  /* TpContact => FolksIndividual
+   * We keep the individuals we have added to the store so can easily remove
+   * them when their TpContact leaves the channel. */
+  GHashTable *individuals;
+};
+
+enum
+{
+  PROP_0,
+  PROP_CHANNEL,
+};
+
+
+G_DEFINE_TYPE (EmpathyIndividualStoreChannel, empathy_individual_store_channel,
+    EMPATHY_TYPE_INDIVIDUAL_STORE);
+
+static void
+add_members (EmpathyIndividualStoreChannel *self,
+    GPtrArray *members)
+{
+  EmpathyIndividualStore *store = (EmpathyIndividualStore *) self;
+  guint i;
+
+  for (i = 0; i < members->len; i++)
+    {
+      TpContact *contact = g_ptr_array_index (members, i);
+      FolksIndividual *individual;
+
+      if (g_hash_table_lookup (self->priv->individuals, contact) != NULL)
+        continue;
+
+      individual = empathy_create_individual_from_tp_contact (contact);
+
+      DEBUG ("%s joined channel %s", tp_contact_get_identifier (contact),
+          tp_proxy_get_object_path (self->priv->channel));
+
+      individual_store_add_individual_and_connect (store, individual);
+
+      /* Pass the individual reference to the hash table */
+      g_hash_table_insert (self->priv->individuals, g_object_ref (contact),
+          individual);
+    }
+}
+
+static void
+remove_members (EmpathyIndividualStoreChannel *self,
+    GPtrArray *members)
+{
+  EmpathyIndividualStore *store = (EmpathyIndividualStore *) self;
+  guint i;
+
+  for (i = 0; i < members->len; i++)
+    {
+      TpContact *contact = g_ptr_array_index (members, i);
+      FolksIndividual *individual;
+
+      individual = g_hash_table_lookup (self->priv->individuals, contact);
+      if (individual == NULL)
+        continue;
+
+      DEBUG ("%s left channel %s", tp_contact_get_identifier (contact),
+          tp_proxy_get_object_path (self->priv->channel));
+
+      individual_store_remove_individual_and_disconnect (store, individual);
+
+      g_hash_table_remove (self->priv->individuals, contact);
+    }
+}
+
+static void
+group_contacts_changed_cb (TpChannel *channel,
+    GPtrArray *added,
+    GPtrArray *removed,
+    GPtrArray *local_pending,
+    GPtrArray *remote_pending,
+    TpContact *actor,
+    GHashTable *details,
+    gpointer user_data)
+{
+  EmpathyIndividualStoreChannel *self = EMPATHY_INDIVIDUAL_STORE_CHANNEL (
+      user_data);
+
+  remove_members (self, removed);
+  add_members (self, added);
+}
+
+static void
+channel_prepare_cb (GObject *source,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  EmpathyIndividualStoreChannel *self = user_data;
+  TpChannel *channel = (TpChannel *) source;
+  GError *error = NULL;
+  GPtrArray *members;
+
+  if (!tp_proxy_prepare_finish (source, result, &error))
+    {
+      DEBUG ("Failed to prepare %s: %s", tp_proxy_get_object_path (source),
+          error->message);
+
+      g_error_free (error);
+    }
+
+  /* Add initial members */
+  members = tp_channel_group_dup_members_contacts (channel);
+  if (members != NULL)
+    {
+      add_members (self, members);
+      g_ptr_array_unref (members);
+    }
+
+  tp_g_signal_connect_object (channel, "group-contacts-changed",
+      G_CALLBACK (group_contacts_changed_cb), self, 0);
+}
+
+static void
+individual_store_channel_set_individual_channel (
+    EmpathyIndividualStoreChannel *self,
+    TpChannel *channel)
+{
+  GQuark features[] = { TP_CHANNEL_FEATURE_CONTACTS, 0 };
+
+  g_assert (self->priv->channel == NULL); /* construct only */
+  self->priv->channel = g_object_ref (channel);
+
+  tp_proxy_prepare_async (channel, features, channel_prepare_cb, self);
+}
+
+static void
+individual_store_channel_dispose (GObject *object)
+{
+  EmpathyIndividualStoreChannel *self = EMPATHY_INDIVIDUAL_STORE_CHANNEL (
+      object);
+  EmpathyIndividualStore *store = EMPATHY_INDIVIDUAL_STORE (object);
+  GHashTableIter iter;
+  gpointer v;
+
+  g_hash_table_iter_init (&iter, self->priv->individuals);
+  while (g_hash_table_iter_next (&iter, NULL, &v))
+    {
+      FolksIndividual *individual = v;
+
+      empathy_individual_store_disconnect_individual (store, individual);
+    }
+
+  tp_clear_pointer (&self->priv->individuals, g_hash_table_unref);
+  g_clear_object (&self->priv->channel);
+
+  G_OBJECT_CLASS (empathy_individual_store_channel_parent_class)->dispose (
+      object);
+}
+
+static void
+individual_store_channel_get_property (GObject *object,
+    guint param_id,
+    GValue *value,
+    GParamSpec *pspec)
+{
+  EmpathyIndividualStoreChannel *self = EMPATHY_INDIVIDUAL_STORE_CHANNEL (
+      object);
+
+  switch (param_id)
+    {
+    case PROP_CHANNEL:
+      g_value_set_object (value, self->priv->channel);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+      break;
+    };
+}
+
+static void
+individual_store_channel_set_property (GObject *object,
+    guint param_id,
+    const GValue *value,
+    GParamSpec *pspec)
+{
+  switch (param_id)
+    {
+    case PROP_CHANNEL:
+      individual_store_channel_set_individual_channel (
+          EMPATHY_INDIVIDUAL_STORE_CHANNEL (object),
+          g_value_get_object (value));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+      break;
+    };
+}
+
+static void
+individual_store_channel_reload_individuals (EmpathyIndividualStore *store)
+{
+  EmpathyIndividualStoreChannel *self = EMPATHY_INDIVIDUAL_STORE_CHANNEL (
+      store);
+  GPtrArray *members;
+  GList *list, *l;
+
+  /* remove all. The list returned by g_hash_table_get_keys() is valid until
+   * the hash table is modified so we can't remove the contact directly in the
+   * iteration. */
+  members = g_ptr_array_new_with_free_func (g_object_unref);
+
+  list = g_hash_table_get_keys (self->priv->individuals);
+  for (l = list; l != NULL; l = g_list_next (l))
+    {
+      g_ptr_array_add (members, g_object_ref (l->data));
+    }
+
+  remove_members (self, members);
+
+  g_list_free (list);
+  g_ptr_array_unref (members);
+
+  /* re-add members */
+  members = tp_channel_group_dup_members_contacts (self->priv->channel);
+  if (members == NULL)
+    return;
+
+  add_members (self, members);
+  g_ptr_array_unref (members);
+}
+
+static void
+empathy_individual_store_channel_class_init (
+    EmpathyIndividualStoreChannelClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  EmpathyIndividualStoreClass *store_class = EMPATHY_INDIVIDUAL_STORE_CLASS (
+      klass);
+
+  object_class->dispose = individual_store_channel_dispose;
+  object_class->get_property = individual_store_channel_get_property;
+  object_class->set_property = individual_store_channel_set_property;
+
+  store_class->reload_individuals = individual_store_channel_reload_individuals;
+
+  g_object_class_install_property (object_class,
+      PROP_CHANNEL,
+      g_param_spec_object ("individual-channel",
+          "Individual channel",
+          "Individual channel",
+          TP_TYPE_CHANNEL,
+          G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
+
+  g_type_class_add_private (object_class,
+      sizeof (EmpathyIndividualStoreChannelPriv));
+}
+
+static void
+empathy_individual_store_channel_init (EmpathyIndividualStoreChannel *self)
+{
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+      EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL, EmpathyIndividualStoreChannelPriv);
+
+  self->priv->individuals = g_hash_table_new_full (NULL, NULL, g_object_unref,
+      g_object_unref);
+}
+
+EmpathyIndividualStoreChannel *
+empathy_individual_store_channel_new (TpChannel *channel)
+{
+  g_return_val_if_fail (TP_IS_CHANNEL (channel), NULL);
+
+  return g_object_new (EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL,
+      "individual-channel", channel, NULL);
+}
+
+TpChannel *
+empathy_individual_store_channel_get_channel (
+    EmpathyIndividualStoreChannel *self)
+{
+  g_return_val_if_fail (EMPATHY_IS_INDIVIDUAL_STORE_CHANNEL (self), FALSE);
+
+  return self->priv->channel;
+}
diff --git a/libempathy-gtk/empathy-individual-store-channel.h b/libempathy-gtk/empathy-individual-store-channel.h
new file mode 100644
index 0000000..468effe
--- /dev/null
+++ b/libempathy-gtk/empathy-individual-store-channel.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2005-2007 Imendio AB
+ * Copyright (C) 2007-2011 Collabora Ltd.
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ *
+ * Authors: Mikael Hallendal <micke imendio com>
+ *          Martyn Russell <martyn imendio com>
+ *          Xavier Claessens <xclaesse gmail com>
+ *          Travis Reitter <travis reitter collabora co uk>
+ */
+
+#ifndef __EMPATHY_INDIVIDUAL_STORE_CHANNEL_H__
+#define __EMPATHY_INDIVIDUAL_STORE_CHANNEL_H__
+
+#include <gtk/gtk.h>
+
+#include <libempathy-gtk/empathy-individual-store.h>
+
+G_BEGIN_DECLS
+#define EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL         (empathy_individual_store_channel_get_type ())
+#define EMPATHY_INDIVIDUAL_STORE_CHANNEL(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL, EmpathyIndividualStoreChannel))
+#define EMPATHY_INDIVIDUAL_STORE_CHANNEL_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL, EmpathyIndividualStoreChannelClass))
+#define EMPATHY_IS_INDIVIDUAL_STORE_CHANNEL(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL))
+#define EMPATHY_IS_INDIVIDUAL_STORE_CHANNEL_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL))
+#define EMPATHY_INDIVIDUAL_STORE_CHANNEL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EMPATHY_TYPE_INDIVIDUAL_STORE_CHANNEL, EmpathyIndividualStoreChannelClass))
+
+typedef struct _EmpathyIndividualStoreChannel EmpathyIndividualStoreChannel;
+typedef struct _EmpathyIndividualStoreChannelClass EmpathyIndividualStoreChannelClass;
+typedef struct _EmpathyIndividualStoreChannelPriv EmpathyIndividualStoreChannelPriv;
+
+struct _EmpathyIndividualStoreChannel
+{
+  EmpathyIndividualStore parent;
+  EmpathyIndividualStoreChannelPriv *priv;
+};
+
+struct _EmpathyIndividualStoreChannelClass
+{
+  EmpathyIndividualStoreClass parent_class;
+};
+
+GType empathy_individual_store_channel_get_type (void) G_GNUC_CONST;
+
+EmpathyIndividualStoreChannel * empathy_individual_store_channel_new (
+    TpChannel *channel);
+
+TpChannel * empathy_individual_store_channel_get_channel (
+    EmpathyIndividualStoreChannel *store);
+
+G_END_DECLS
+#endif /* __EMPATHY_INDIVIDUAL_STORE_CHANNEL_H__ */
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