From 40f2188129d8fc2d8d718adea0bb3c417013465d Mon Sep 17 00:00:00 2001
From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Date: Sat, 29 Aug 2009 17:10:04 +0100
Subject: Add functions on the dispatcher to add/remove extra handlers

---
 libempathy/empathy-dispatcher.c | 70 +++++++++++++++++++++++++++++++++++++++++
 libempathy/empathy-dispatcher.h | 11 +++++++
 2 files changed, 81 insertions(+)

diff --git a/libempathy/empathy-dispatcher.c b/libempathy/empathy-dispatcher.c
index dfd041d6b..67b75278d 100644
--- a/libempathy/empathy-dispatcher.c
+++ b/libempathy/empathy-dispatcher.c
@@ -56,6 +56,8 @@
 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyDispatcher)
 typedef struct
 {
+  gboolean dispose_has_run;
+
   EmpathyAccountManager *account_manager;
   /* connection to connection data mapping */
   GHashTable *connections;
@@ -66,8 +68,13 @@ typedef struct
   /* channels which the dispatcher is listening "invalidated" */
   GList *channels;
   GPtrArray *array;
+
+  /* main handler */
   EmpathyHandler *handler;
 
+  /* extra handlers */
+  GList *handlers;
+
   GHashTable *request_channel_class_async_ids;
 } EmpathyDispatcherPriv;
 
@@ -890,6 +897,30 @@ dispatcher_constructor (GType type,
   return retval;
 }
 
+static void
+dispatcher_dispose (GObject *object)
+{
+  EmpathyDispatcherPriv *priv = GET_PRIV (object);
+  GList *l;
+
+  if (priv->dispose_has_run)
+    return;
+
+  priv->dispose_has_run = TRUE;
+
+  for (l = priv->handlers ; l != NULL; l = g_list_next (l))
+    g_object_unref (G_OBJECT (l->data));
+
+  g_list_free (priv->handlers);
+  priv->handlers = NULL;
+
+  if (priv->handler != NULL)
+    g_object_unref (priv->handler);
+  priv->handler = NULL;
+
+  G_OBJECT_CLASS (empathy_dispatcher_parent_class)->dispose (object);
+}
+
 static void
 dispatcher_finalize (GObject *object)
 {
@@ -983,6 +1014,7 @@ empathy_dispatcher_class_init (EmpathyDispatcherClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GParamSpec *param_spec;
 
+  object_class->dispose = dispatcher_dispose;
   object_class->finalize = dispatcher_finalize;
   object_class->constructor = dispatcher_constructor;
 
@@ -1827,3 +1859,41 @@ empathy_dispatcher_handle_channels (EmpathyHandler *handler,
 
   return TRUE;
 }
+
+
+EmpathyHandler *
+empathy_dispatcher_add_handler (EmpathyDispatcher *dispatcher,
+    const gchar *name,
+    GPtrArray *filters,
+    GStrv capabilities)
+{
+  EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+  EmpathyHandler *handler;
+
+  handler = empathy_handler_new (name, filters, capabilities);
+  priv->handlers = g_list_prepend (priv->handlers, handler);
+
+  /* Only set the handle_channels function, the Channel property on the main
+   * handler will always report all dispatched channels even if they came from
+   * a different Handler */
+  empathy_handler_set_handle_channels_func (handler,
+    empathy_dispatcher_handle_channels,
+    dispatcher);
+
+  return handler;
+}
+
+void
+empathy_dispatcher_remove_handler (EmpathyDispatcher *dispatcher,
+  EmpathyHandler *handler)
+{
+  EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
+  GList *h;
+
+  h = g_list_find (priv->handlers, handler);
+  g_return_if_fail (h != NULL);
+
+  priv->handlers = g_list_delete_link (priv->handlers, h);
+
+  g_object_unref (handler);
+}
diff --git a/libempathy/empathy-dispatcher.h b/libempathy/empathy-dispatcher.h
index c4daa60fd..6176ea088 100644
--- a/libempathy/empathy-dispatcher.h
+++ b/libempathy/empathy-dispatcher.h
@@ -28,6 +28,7 @@
 #include <telepathy-glib/channel.h>
 
 #include "empathy-contact.h"
+#include "empathy-handler.h"
 #include "empathy-dispatch-operation.h"
 
 G_BEGIN_DECLS
@@ -101,6 +102,16 @@ EmpathyDispatcher * empathy_dispatcher_new (const gchar *name,
   GPtrArray *filters,
   GStrv capabilities);
 
+EmpathyHandler *
+empathy_dispatcher_add_handler (EmpathyDispatcher *dispatcher,
+    const gchar *name,
+    GPtrArray *filters,
+    GStrv capabilities);
+
+void
+empathy_dispatcher_remove_handler (EmpathyDispatcher *dispatcher,
+  EmpathyHandler *handler);
+
 /* Get the dispatcher singleton */
 EmpathyDispatcher *    empathy_dispatcher_dup_singleton (void);
 
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