telepathygabble/src/gabble-search-channel.c
changeset 10 59927b2d3b75
parent 0 d0f3a028347a
equal deleted inserted replaced
0:d0f3a028347a 10:59927b2d3b75
     1 /*
       
     2  * gabble-im-channel.c - Source for GabbleSearchChannel
       
     3  * Copyright (C) 2005 Collabora Ltd.
       
     4  * 
       
     5  *
       
     6  * This library is free software; you can redistribute it and/or
       
     7  * modify it under the terms of the GNU Lesser General Public
       
     8  * License as published by the Free Software Foundation; either
       
     9  * version 2.1 of the License, or (at your option) any later version.
       
    10  *
       
    11  * This library is distributed in the hope that it will be useful,
       
    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    14  * Lesser General Public License for more details.
       
    15  *
       
    16  * You should have received a copy of the GNU Lesser General Public
       
    17  * License along with this library; if not, write to the Free Software
       
    18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
       
    19  */
       
    20 
       
    21 #include <dbus/dbus-glib.h>
       
    22 #include "loudmouth/loudmouth.h"
       
    23 #include <stdio.h>
       
    24 #include <string.h>
       
    25 #include <time.h>
       
    26 
       
    27 
       
    28 #define DEBUG_FLAG GABBLE_DEBUG_SEARCH
       
    29 
       
    30 #include "debug.h"
       
    31 #include "disco.h"
       
    32 #include "gabble-connection.h"
       
    33 #include "gabble-presence.h"
       
    34 #include "gabble-presence-cache.h"
       
    35 #include "handles.h"
       
    36 #include "roster.h"
       
    37 #include "telepathy-constants.h"
       
    38 #include "telepathy-errors.h"
       
    39 #include "telepathy-helpers.h"
       
    40 #include "telepathy-interfaces.h"
       
    41 #include "tp-channel-iface.h"
       
    42 #include "namespaces.h"
       
    43 
       
    44 #include "gabble-search-channel.h"
       
    45 #include "gabble-search-channel-glue.h"
       
    46 #include "search-mixin-signals-marshal.h"
       
    47 #include "search-mixin.h"
       
    48 
       
    49 #include "gabble_enums.h"
       
    50 
       
    51 #ifndef EMULATOR
       
    52 G_DEFINE_TYPE_WITH_CODE (GabbleSearchChannel, gabble_search_channel, G_TYPE_OBJECT,
       
    53     G_IMPLEMENT_INTERFACE (TP_TYPE_CHANNEL_IFACE, NULL));
       
    54     
       
    55 #endif
       
    56 
       
    57 /* signal enum */
       
    58 enum
       
    59 {
       
    60     CLOSED,
       
    61     LAST_SIGNAL 
       
    62 #ifdef EMULATOR    
       
    63     = LAST_SIGNAL_SEARCH 
       
    64 #endif
       
    65     
       
    66 };
       
    67 
       
    68 #ifdef EMULATOR
       
    69 #include "libgabble_wsd_solution.h"
       
    70 
       
    71 	GET_STATIC_ARRAY_FROM_TLS(signals,gabble_search,guint)
       
    72 	#define signals (GET_WSD_VAR_NAME(signals,gabble_search, s)())	
       
    73     
       
    74     GET_STATIC_VAR_FROM_TLS(gabble_search_channel_parent_class,gabble_search,gpointer)
       
    75 	#define gabble_search_channel_parent_class (*GET_WSD_VAR_NAME(gabble_search_channel_parent_class,gabble_search,s)())
       
    76 	
       
    77 	GET_STATIC_VAR_FROM_TLS(g_define_type_id,gabble_search,GType)
       
    78 	#define g_define_type_id (*GET_WSD_VAR_NAME(g_define_type_id,gabble_search,s)())
       
    79 
       
    80     
       
    81 static void gabble_search_channel_init (GabbleSearchChannel *self); 
       
    82 static void gabble_search_channel_class_init (GabbleSearchChannelClass *klass); 
       
    83 static void gabble_search_channel_class_intern_init (gpointer klass) 
       
    84 {
       
    85  gabble_search_channel_parent_class = g_type_class_peek_parent (klass); 
       
    86  gabble_search_channel_class_init ((GabbleSearchChannelClass*) klass); 
       
    87  } 
       
    88  EXPORT_C GType gabble_search_channel_get_type (void) 
       
    89  {
       
    90   if ((g_define_type_id == 0)) 
       
    91   { static const GTypeInfo g_define_type_info = 
       
    92   		{ sizeof (GabbleSearchChannelClass), (GBaseInitFunc) ((void *)0), (GBaseFinalizeFunc) ((void *)0), (GClassInitFunc) gabble_search_channel_class_intern_init, (GClassFinalizeFunc) ((void *)0), ((void *)0), sizeof (GabbleSearchChannel), 0, (GInstanceInitFunc) gabble_search_channel_init, ((void *)0) }; g_define_type_id = g_type_register_static ( ((GType) ((20) << (2))), g_intern_static_string ("GabbleSearchChannel"), &g_define_type_info, (GTypeFlags) 0); { { static const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc) ((void *)0) }; g_type_add_interface_static (g_define_type_id, tp_channel_iface_get_type(), &g_implement_interface_info); } ; } } return g_define_type_id; 
       
    93   		};
       
    94 	
       
    95 	
       
    96 		
       
    97 #else
       
    98 
       
    99 	static guint signals[LAST_SIGNAL] = {0};
       
   100 
       
   101 #endif
       
   102 
       
   103 /* properties */
       
   104 enum
       
   105 {
       
   106   PROP_OBJECT_PATH = 1,
       
   107   PROP_CHANNEL_TYPE,
       
   108   PROP_HANDLE_TYPE,
       
   109   PROP_HANDLE,
       
   110   PROP_CONNECTION,
       
   111   LAST_PROPERTY
       
   112 };
       
   113 
       
   114 /* private structure */
       
   115 typedef struct _GabbleSearchChannelPrivate GabbleSearchChannelPrivate;
       
   116 
       
   117 struct _GabbleSearchChannelPrivate
       
   118 {
       
   119   GabbleConnection *conn;
       
   120   char *object_path;
       
   121   GabbleHandle handle; 
       
   122   gboolean closed;
       
   123   gboolean dispose_has_run;
       
   124 };
       
   125 
       
   126 #define GABBLE_SEARCH_CHANNEL_GET_PRIVATE(obj) \
       
   127     ((GabbleSearchChannelPrivate *)obj->priv)
       
   128 
       
   129 static void
       
   130 gabble_search_channel_init (GabbleSearchChannel *self)
       
   131 {
       
   132   GabbleSearchChannelPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
       
   133       GABBLE_TYPE_SEARCH_CHANNEL, GabbleSearchChannelPrivate);
       
   134 
       
   135   self->priv = priv;
       
   136 }
       
   137 
       
   138 static GObject *
       
   139 gabble_search_channel_constructor (GType type, guint n_props,
       
   140                                GObjectConstructParam *props)
       
   141 {
       
   142   GObject *obj;
       
   143   GabbleSearchChannelPrivate *priv;
       
   144   DBusGConnection *bus;
       
   145  
       
   146   g_message("in gabble_search_channel_constructor\n");
       
   147   obj = G_OBJECT_CLASS (gabble_search_channel_parent_class)->
       
   148            constructor (type, n_props, props);
       
   149   priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (GABBLE_SEARCH_CHANNEL (obj));
       
   150 
       
   151   bus = tp_get_bus ();
       
   152   dbus_g_connection_register_g_object (bus, priv->object_path, obj);
       
   153 
       
   154   
       
   155   gabble_search_mixin_init (obj, G_STRUCT_OFFSET (GabbleSearchChannel, search_mixin));
       
   156 
       
   157 
       
   158   return obj;
       
   159 }
       
   160 
       
   161 static void
       
   162 gabble_search_channel_get_property (GObject    *object,
       
   163                                 guint       property_id,
       
   164                                 GValue     *value,
       
   165                                 GParamSpec *pspec)
       
   166 {
       
   167   GabbleSearchChannel *chan = GABBLE_SEARCH_CHANNEL (object);
       
   168   GabbleSearchChannelPrivate *priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (chan);
       
   169 
       
   170   switch (property_id) {
       
   171     case PROP_OBJECT_PATH:
       
   172       g_value_set_string (value, priv->object_path);
       
   173       break;
       
   174     case PROP_CHANNEL_TYPE:
       
   175       g_value_set_static_string (value, TP_IFACE_CHANNEL_TYPE_CONTACT_SEARCH);
       
   176       break;
       
   177     case PROP_HANDLE_TYPE:
       
   178       g_value_set_uint (value, TP_HANDLE_TYPE_NONE);
       
   179       break;
       
   180     case PROP_HANDLE:
       
   181       g_value_set_uint (value, 0 ); 
       
   182       break;
       
   183     case PROP_CONNECTION:
       
   184       g_value_set_object (value, priv->conn);
       
   185       break;
       
   186     default:
       
   187       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       
   188       break;
       
   189   }
       
   190 }
       
   191 
       
   192 static void
       
   193 gabble_search_channel_set_property (GObject     *object,
       
   194                                 guint        property_id,
       
   195                                 const GValue *value,
       
   196                                 GParamSpec   *pspec)
       
   197 {
       
   198   GabbleSearchChannel *chan = GABBLE_SEARCH_CHANNEL (object);
       
   199   GabbleSearchChannelPrivate *priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (chan);
       
   200 
       
   201   switch (property_id) {
       
   202     case PROP_OBJECT_PATH:
       
   203       g_free (priv->object_path);
       
   204       priv->object_path = g_value_dup_string (value);
       
   205       break;
       
   206     case PROP_HANDLE:
       
   207       priv->handle = g_value_get_uint (value);
       
   208       break;
       
   209     case PROP_CONNECTION:
       
   210       priv->conn = g_value_get_object (value);
       
   211       break;
       
   212     default:
       
   213       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       
   214       break;
       
   215   }
       
   216 }
       
   217 
       
   218 static void gabble_search_channel_dispose (GObject *object);
       
   219 static void gabble_search_channel_finalize (GObject *object);
       
   220 
       
   221 static void
       
   222 gabble_search_channel_class_init (GabbleSearchChannelClass *gabble_search_channel_class)
       
   223 {
       
   224   GObjectClass *object_class = G_OBJECT_CLASS (gabble_search_channel_class);
       
   225   GParamSpec *param_spec;
       
   226   g_message("in gabble_search_channel_class_init");
       
   227 
       
   228   g_type_class_add_private (gabble_search_channel_class, sizeof (GabbleSearchChannelPrivate));
       
   229 
       
   230   object_class->constructor = gabble_search_channel_constructor;
       
   231 
       
   232   object_class->get_property = gabble_search_channel_get_property;
       
   233   object_class->set_property = gabble_search_channel_set_property;
       
   234 
       
   235   object_class->dispose = gabble_search_channel_dispose;
       
   236   object_class->finalize = gabble_search_channel_finalize;
       
   237 
       
   238   g_object_class_override_property (object_class, PROP_OBJECT_PATH, "object-path");
       
   239   g_object_class_override_property (object_class, PROP_CHANNEL_TYPE, "channel-type");
       
   240   g_object_class_override_property (object_class, PROP_HANDLE_TYPE, "handle-type");
       
   241   g_object_class_override_property (object_class, PROP_HANDLE, "handle");
       
   242 
       
   243 
       
   244  
       
   245   param_spec = g_param_spec_object ("connection", "GabbleConnection object",
       
   246                                     "Gabble connection object that owns this "
       
   247                                     "Search channel object.",
       
   248                                     GABBLE_TYPE_CONNECTION,
       
   249                                     G_PARAM_CONSTRUCT_ONLY |
       
   250                                     G_PARAM_READWRITE |
       
   251                                     G_PARAM_STATIC_NICK |
       
   252                                     G_PARAM_STATIC_BLURB);
       
   253   g_object_class_install_property (object_class, PROP_CONNECTION, param_spec);
       
   254 
       
   255   signals[CLOSED] =
       
   256     g_signal_new ("closed",
       
   257                   G_OBJECT_CLASS_TYPE (gabble_search_channel_class),
       
   258                   G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
       
   259                   0,
       
   260                   NULL, NULL,
       
   261                   g_cclosure_marshal_VOID__VOID,
       
   262                   G_TYPE_NONE, 0);
       
   263 
       
   264   gabble_search_mixin_class_init (object_class, G_STRUCT_OFFSET (GabbleSearchChannelClass, mixin_class));
       
   265 
       
   266   dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (gabble_search_channel_class), &dbus_glib_gabble_search_channel_object_info);
       
   267 }
       
   268 
       
   269 void
       
   270 gabble_search_channel_dispose (GObject *object)
       
   271 {
       
   272   GabbleSearchChannel *self = GABBLE_SEARCH_CHANNEL (object);
       
   273   GabbleSearchChannelPrivate *priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   274 
       
   275   g_message("in gabble_search_channel_dispose\n");
       
   276   if (priv->dispose_has_run)
       
   277     return;
       
   278 
       
   279   priv->dispose_has_run = TRUE;
       
   280 
       
   281   
       
   282   if (!priv->closed)
       
   283     g_signal_emit(self, signals[CLOSED], 0);
       
   284 
       
   285   if (G_OBJECT_CLASS (gabble_search_channel_parent_class)->dispose)
       
   286     G_OBJECT_CLASS (gabble_search_channel_parent_class)->dispose (object);
       
   287 }
       
   288 
       
   289 void
       
   290 gabble_search_channel_finalize (GObject *object)
       
   291 {
       
   292   GabbleSearchChannel *self = GABBLE_SEARCH_CHANNEL (object);
       
   293   GabbleSearchChannelPrivate *priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   294 
       
   295   g_message("in gabble_search_channel_finalize\n");
       
   296   /* free any data held directly by the object here */
       
   297   if( priv->object_path )
       
   298   {
       
   299     g_message("freeing priv->object_path in gabble_search_channel_finalize\n");
       
   300   	g_free (priv->object_path);
       
   301   	priv->object_path = NULL;
       
   302   }
       
   303   
       
   304   //also free the data,if any, held by mixin obj
       
   305   //gabble_search_mixin_finalize(object);
       
   306 
       
   307   G_OBJECT_CLASS (gabble_search_channel_parent_class)->finalize (object);
       
   308 }
       
   309 
       
   310 
       
   311 
       
   312 /**
       
   313  * gabble_search_channel_close
       
   314  *
       
   315  * Implements D-Bus method Close
       
   316  * on interface org.freedesktop.Telepathy.Channel
       
   317  *
       
   318  * @error: Used to return a pointer to a GError detailing any error
       
   319  *         that occurred, D-Bus will throw the error only if this
       
   320  *         function returns FALSE.
       
   321  *
       
   322  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   323  */
       
   324 gboolean
       
   325 gabble_search_channel_close (GabbleSearchChannel *self,
       
   326                          GError **error)
       
   327 {
       
   328   GabbleSearchChannelPrivate *priv;
       
   329 
       
   330   g_assert (GABBLE_IS_SEARCH_CHANNEL (self));
       
   331 
       
   332   gabble_debug (DEBUG_FLAG, "called on %p", self);
       
   333   
       
   334   g_message("gabble_search_channel_close");
       
   335   priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   336   
       
   337   if (priv->closed)
       
   338     {
       
   339       gabble_debug (DEBUG_FLAG, "channel already closed");
       
   340 
       
   341       g_set_error (error, TELEPATHY_ERRORS, NotAvailable,
       
   342           "Channel already closed");
       
   343 
       
   344       return FALSE;
       
   345     }
       
   346 
       
   347   
       
   348   priv->closed = TRUE;
       
   349 
       
   350   g_signal_emit (self, signals[CLOSED], 0);
       
   351 
       
   352   return TRUE;
       
   353 }
       
   354 
       
   355 
       
   356 /**
       
   357  * gabble_search_channel_get_channel_type
       
   358  *
       
   359  * Implements D-Bus method GetChannelType
       
   360  * on interface org.freedesktop.Telepathy.Channel
       
   361  *
       
   362  * @error: Used to return a pointer to a GError detailing any error
       
   363  *         that occurred, D-Bus will throw the error only if this
       
   364  *         function returns FALSE.
       
   365  *
       
   366  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   367  */
       
   368 gboolean
       
   369 gabble_search_channel_get_channel_type (GabbleSearchChannel *self,
       
   370                                     gchar **ret,
       
   371                                     GError **error)
       
   372 {
       
   373   *ret = g_strdup (TP_IFACE_CHANNEL_TYPE_CONTACT_SEARCH);
       
   374 
       
   375   return TRUE;
       
   376 }
       
   377 
       
   378 
       
   379 /**
       
   380  * gabble_search_channel_get_interfaces
       
   381  *
       
   382  * Implements D-Bus method GetInterfaces
       
   383  * on interface org.freedesktop.Telepathy.Channel
       
   384  *
       
   385  * @error: Used to return a pointer to a GError detailing any error
       
   386  *         that occurred, D-Bus will throw the error only if this
       
   387  *         function returns FALSE.
       
   388  *
       
   389  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   390  */
       
   391 gboolean
       
   392 gabble_search_channel_get_interfaces (GabbleSearchChannel *self,
       
   393                                   gchar ***ret,
       
   394                                   GError **error)
       
   395 {
       
   396   const char *interfaces[] = { NULL };
       
   397 
       
   398   *ret = g_strdupv ((gchar **) interfaces);
       
   399 
       
   400   return TRUE;
       
   401 }
       
   402 
       
   403 
       
   404 /**
       
   405  * gabble_search_channel_search
       
   406  *
       
   407  * Implements D-Bus method Search
       
   408  * on interface org.freedesktop.Telepathy.Channel
       
   409  *
       
   410  * @error: Used to return a pointer to a GError detailing any error
       
   411  *         that occurred, D-Bus will throw the error only if this
       
   412  *         function returns FALSE.
       
   413  *
       
   414  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   415  */
       
   416 gboolean
       
   417 gabble_search_channel_search (	GabbleSearchChannel *self,
       
   418                                   GHashTable *params,
       
   419                         			GError **error
       
   420                         	  )
       
   421 {
       
   422   GabbleSearchChannelPrivate *priv;
       
   423   
       
   424   g_message("In gabble_search_channel_search: serachchan is %u\n",self);
       
   425 
       
   426   g_assert (GABBLE_IS_SEARCH_CHANNEL (self));
       
   427   priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   428 
       
   429   return gabble_search_mixin_search (G_OBJECT (self), params,
       
   430      									priv->conn, error);
       
   431   
       
   432 }
       
   433 
       
   434 /**
       
   435  * gabble_search_channel_get_search_state
       
   436  *
       
   437  * Implements D-Bus method GetSearchState
       
   438  * on interface org.freedesktop.Telepathy.Channel
       
   439  *
       
   440  * @error: Used to return a pointer to a GError detailing any error
       
   441  *         that occurred, D-Bus will throw the error only if this
       
   442  *         function returns FALSE.
       
   443  *
       
   444  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   445  */
       
   446 gboolean
       
   447 gabble_search_channel_get_search_state (	GabbleSearchChannel *self,
       
   448                                   			guint *ret,
       
   449                         					GError **error
       
   450                         	  			)
       
   451 {
       
   452   g_message("In gabble_search_channel_get_search_state\n");
       
   453   return gabble_search_mixin_get_search_state (G_OBJECT (self),ret, error);
       
   454  }
       
   455  
       
   456 
       
   457 /**
       
   458  * gabble_search_channel_get_handle
       
   459  *
       
   460  * Implements D-Bus method GetHandle
       
   461  * on interface org.freedesktop.Telepathy.Channel
       
   462  *
       
   463  * @error: Used to return a pointer to a GError detailing any error
       
   464  *         that occurred, D-Bus will throw the error only if this
       
   465  *         function returns FALSE.
       
   466  *
       
   467  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   468  */
       
   469 gboolean
       
   470 gabble_search_channel_get_handle (GabbleSearchChannel *self,
       
   471                               guint *ret,
       
   472                               guint *ret1,
       
   473                               GError **error)
       
   474 {
       
   475   GabbleSearchChannelPrivate *priv;
       
   476 
       
   477   g_assert (GABBLE_IS_SEARCH_CHANNEL (self));
       
   478 
       
   479   priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   480 
       
   481   *ret = TP_HANDLE_TYPE_NONE;
       
   482   //search channel doesnt correspond to any particular handle 
       
   483   *ret1 = 0; 
       
   484 
       
   485   return TRUE;
       
   486 }
       
   487 
       
   488 /**
       
   489  * TODO: this method may be modified in future to get the search key types 
       
   490  * as dbus-glib binding tool doesnt support 'g' type signature 
       
   491  * Also this method should be able to give value
       
   492  * for the options for list-single or list-multi type search keys if required
       
   493  * gabble_search_channel_get_search_keys
       
   494  *
       
   495  * Implements D-Bus method GetSearchKeys
       
   496  * on interface org.freedesktop.Telepathy.Channel
       
   497  *
       
   498  * @error: Used to return a pointer to a GError detailing any error
       
   499  *         that occurred, D-Bus will throw the error only if this
       
   500  *         function returns FALSE.
       
   501  *
       
   502  * Returns: TRUE if successful, FALSE if an error was thrown.
       
   503  */
       
   504 gboolean
       
   505 gabble_search_channel_get_search_keys (	GabbleSearchChannel *self,
       
   506 										gchar **ret_instruction, 
       
   507 										gchar ***ret_searchkeys,
       
   508 		                        		GError **error
       
   509                         	  		   )
       
   510 {
       
   511   GabbleSearchChannelPrivate *priv;
       
   512   
       
   513   g_message("In gabble_search_channel_get_search_keys: serachchan is %u\n",self);
       
   514   
       
   515   g_assert (GABBLE_IS_SEARCH_CHANNEL (self));
       
   516   priv = GABBLE_SEARCH_CHANNEL_GET_PRIVATE (self);
       
   517   
       
   518   return gabble_search_mixin_get_search_keys (G_OBJECT (self),ret_instruction,
       
   519   												ret_searchkeys,
       
   520   												priv->conn, error);
       
   521  }
       
   522 
       
   523 
       
   524 /**
       
   525  * search_channel_iq_cb:
       
   526  *
       
   527  * Called by loudmouth when we get an incoming <iq>. This handler
       
   528  * is concerned only with search queries, and allows other handlers
       
   529  * if queries other than search are received.
       
   530  */
       
   531  
       
   532 LmHandlerResult
       
   533 search_channel_iq_cb (LmMessageHandler *handler,
       
   534 					  LmConnection *lmconn,
       
   535 					  LmMessage *message,
       
   536 					  gpointer user_data)
       
   537 {
       
   538   GabbleSearchChannel *chan = GABBLE_SEARCH_CHANNEL (user_data);
       
   539   GabbleSearchChannelPrivate *priv = NULL;
       
   540   GabbleSearchMixin *mixin = NULL;
       
   541   
       
   542   LmMessageNode *iq_node, *query_node;
       
   543   LmMessageSubType sub_type;
       
   544   
       
   545   LmMessageNode *x_node, *x_item_node, *result_node;
       
   546   const char  *x_node_type;
       
   547   const gchar **from = NULL; 
       
   548   
       
   549   GHashTable *results = NULL;
       
   550   guint contact_handle = 0;
       
   551 
       
   552   
       
   553   g_message("in search_channel_iq_cb: user data - chan is : %u\n", chan);
       
   554   
       
   555   sub_type = lm_message_get_sub_type (message); 
       
   556   
       
   557   if (sub_type != LM_MESSAGE_SUB_TYPE_RESULT)
       
   558     {
       
   559       return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   560     }
       
   561   iq_node = lm_message_get_node (message);
       
   562   query_node = lm_message_node_get_child_with_namespace (iq_node, "query",
       
   563       NS_SEARCH);
       
   564 
       
   565   if (query_node == NULL || chan == NULL)
       
   566     return LM_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
       
   567   
       
   568     
       
   569   
       
   570   priv= GABBLE_SEARCH_CHANNEL_GET_PRIVATE (chan);
       
   571   mixin = GABBLE_SEARCH_MIXIN (chan);
       
   572   
       
   573            		
       
   574   x_node = lm_message_node_get_child_with_namespace (query_node, "x", NS_X_DATA);
       
   575 	
       
   576   if( x_node )
       
   577 	{
       
   578 	    //if service supports data forms 
       
   579     	result_node = x_node; 
       
   580 		x_node_type   = lm_message_node_get_attribute (x_node, "type" );
       
   581 		if (0 != strcmp (x_node_type, "result"))
       
   582 		{
       
   583 		 //this can be for search_keys_iq_cb 
       
   584 		 //callback received as result of request to get search key fields
       
   585 		 return LM_HANDLER_RESULT_REMOVE_MESSAGE;	
       
   586 		}
       
   587 		//if(type == NULL), do some error handling   
       
   588 	}
       
   589 		
       
   590    else
       
   591     	result_node = query_node;	
       
   592 		
       
   593 	
       
   594    for (x_item_node = result_node->children; x_item_node; x_item_node = x_item_node->next)
       
   595 	{
       
   596 	   	 LmMessageNode *item_node, *node;
       
   597 	  	 GHashTable *search_result = NULL;
       
   598 	  	 gboolean reported_field_has_type = FALSE;
       
   599 	  	 
       
   600 	  	 
       
   601 	  	 if(!search_result)
       
   602 	  	 	search_result = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,NULL);
       
   603 	  	 
       
   604 	  	 //there should be only one reported field
       
   605   	 	 //Later "reported" should also be used to get the types of search result fields
       
   606 	  	 //'g' type currently not supported by dbus-glib-binding
       
   607 	  	 if (0 != strcmp (x_item_node->name, "item") )
       
   608         	continue;
       
   609        	 
       
   610        	 contact_handle = 0;
       
   611        	 
       
   612 	  	 //x_item_node is an item node
       
   613 	  	 //get the field nodes from each item node
       
   614 	  	 for (node = x_item_node->children; node; node = node->next)
       
   615 	      	{
       
   616 		      	const gchar *key, *value;
       
   617 		        LmMessageNode *value_node;
       
   618 		      	GValue *val = g_new0(GValue, 1); 
       
   619 		      	LmMessageNode *reported_field_node;     
       
   620 		      	
       
   621 		            	
       
   622 		      	if (0 != strcmp (node->name, "field"))
       
   623         		continue;
       
   624 		      	
       
   625 		      	//node is a field or reported node
       
   626 		      	//get the name, type and value of each field
       
   627 		      	key = lm_message_node_get_attribute(node, "var");
       
   628 		  		      	
       
   629 		       	value_node = lm_message_node_get_child(node, "value");
       
   630 		      	 
       
   631 		      	value = lm_message_node_get_value(value_node);
       
   632 		      	
       
   633 		      	if(0 == strcmp (key, "jid"))
       
   634 			      	{
       
   635 			      	g_message("getting contact_handle\n");
       
   636 			      	contact_handle = gabble_handle_for_contact (priv->conn->handles, value, FALSE);
       
   637 			      	}
       
   638 		      	
       
   639 		      	g_value_init (val, G_TYPE_STRING);
       
   640 		      	//"val" should be a struct with members "var" and "type"
       
   641 				g_value_set_string (val, g_strdup(value) );
       
   642 		      	g_hash_table_insert(search_result,g_strdup(key),val);
       
   643 		      
       
   644 	      	}
       
   645 	    
       
   646 	    
       
   647 	    g_message("search results: %u",g_hash_table_size(search_result));
       
   648 	     //emit the signal for search result received 
       
   649 	     _gabble_search_mixin_emit_search_result_received(G_OBJECT (chan),contact_handle, search_result);
       
   650 	    
       
   651 	     g_hash_table_destroy(search_result);
       
   652 	}
       
   653 
       
   654   
       
   655   //if no search results, service must return empty query element
       
   656   //so emit the signal for the same
       
   657   if(!contact_handle)
       
   658 	  {
       
   659 	  			
       
   660 	  	if(!results)
       
   661 			results = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,NULL);
       
   662 	  		 
       
   663 	  	 _gabble_search_mixin_emit_search_result_received(G_OBJECT (chan),contact_handle, results);
       
   664 	     g_hash_table_destroy(results);
       
   665 
       
   666 	  }
       
   667   
       
   668   //search state should be completed 
       
   669   g_message("b4 set search state changed \n"); 
       
   670   _gabble_search_mixin_set_search_state(G_OBJECT (chan), TP_CHANNEL_CONTACT_SEARCH_STATE_AFTER); 
       
   671    
       
   672   //search request completed now, emit the signal for search state changed
       
   673  g_message("b4 emiiting search state changed signal\n"); 
       
   674   _gabble_search_mixin_emit_search_state_changed(G_OBJECT (chan),TP_CHANNEL_CONTACT_SEARCH_STATE_AFTER);
       
   675   
       
   676  return LM_HANDLER_RESULT_REMOVE_MESSAGE;
       
   677 }
       
   678 
       
   679 
       
   680