File: rl-entry.cpp

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ekiga 4.0.1-5
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/* Ekiga -- A VoIP and Video-Conferencing application
 * Copyright (C) 2000-2009 Damien Sandras <dsandras@seconix.com>
 *
 * 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.
 *
 *
 * Ekiga is licensed under the GPL license and as a special exception,
 * you have permission to link or otherwise combine this program with the
 * programs OPAL, OpenH323 and PWLIB, and distribute the combination,
 * without applying the requirements of the GNU GPL to the OPAL, OpenH323
 * and PWLIB programs, as long as you do follow the requirements of the
 * GNU GPL for all the rest of the software thus combined.
 */


/*
 *                         rl-entry.cpp -  description
 *                         ------------------------------------------
 *   begin                : written in 2008 by Julien Puydt
 *   copyright            : (c) 2008 by Julien Puydt
 *   description          : resource-list entry class
 *
 */

#include "config.h"

#include <glib/gi18n-lib.h>

#include "rl-entry.h"

#include "presence-core.h"

/* at one point we will return a smart pointer on this... and if we don't use
 * a false smart pointer, we will crash : the reference count isn't embedded!
 */
struct null_deleter
{
    void operator()(void const *) const
    {
    }
};

RL::Entry::Entry (Ekiga::ServiceCore& core_,
		  boost::shared_ptr<XCAP::Path> path_,
		  int pos,
		  const std::string group,
		  boost::shared_ptr<xmlDoc> doc_,
		  xmlNodePtr node_):
  core(core_), position(pos), doc(doc_), node(node_), name_node(NULL),
  presence("unknown"), status("")
{
  groups.insert (group);

  if (node != NULL) {

    xmlChar* str = xmlGetProp (node, BAD_CAST "uri");

    if (str != NULL) {

      path = path_->build_child_with_attribute ("entry", "uri",
						(const char*)str);
      xmlFree (str);
    } else {

      path = path_->build_child_with_position ("entry", position);
    }
    parse ();
  } else {

    path = path_;
    refresh ();
  }
}

RL::Entry::~Entry ()
{
}

const std::string
RL::Entry::get_uri () const
{
  std::string result;

  if (node != NULL) {

    xmlChar* str = xmlGetProp (node, (const xmlChar*) "uri");

    if (str != NULL) {

      result = ((const char*)str);
      xmlFree (str);
    }
  }

  return result;
}


void
RL::Entry::set_presence (const std::string presence_)
{
  presence = presence_;
  updated ();
}

void
RL::Entry::set_status (const std::string status_)
{
  status = status_;
  updated ();
}

const std::string
RL::Entry::get_name () const
{
  std::string result;

  if (name_node != NULL) {

    xmlChar* str = xmlNodeGetContent (name_node);
    if (str != NULL) {

      result = ((const char*)str);
      xmlFree (str);
    }
  } else {

    result = _("Unnamed");
  }

  return result;
}

bool
RL::Entry::has_uri (const std::string uri) const
{
  return get_uri () == uri;
}

bool
RL::Entry::populate_menu (Ekiga::MenuBuilder& builder)
{
  bool populated = false;
  boost::shared_ptr<Ekiga::PresenceCore> presence_core = core.get<Ekiga::PresenceCore> ("presence-core");
  std::string uri(get_uri ());

  builder.add_action ("refresh", _("_Refresh"),
		      boost::bind (&RL::Entry::refresh, this));

  if ( !uri.empty ())
    populated = presence_core->populate_presentity_menu (Ekiga::PresentityPtr (this, null_deleter ()), uri, builder);

  return populated;
}

void
RL::Entry::refresh ()
{
  doc.reset ();
  node = NULL;
  name_node = NULL;
  presence = "unknown";
  status = ("");
  updated ();

  boost::shared_ptr<XCAP::Core> xcap = core.get<XCAP::Core> ("xcap-core");
  xcap->read (path, boost::bind (&RL::Entry::on_xcap_answer, this, _1, _2));
}

void
RL::Entry::on_xcap_answer (bool error,
			   std::string value)
{
  if (error) {

    set_status (value);

  } else {

    doc = boost::shared_ptr<xmlDoc> (xmlRecoverMemory (value.c_str (), value.length ()), xmlFreeDoc);
    if ( !doc)
      doc = boost::shared_ptr<xmlDoc> (xmlNewDoc (BAD_CAST "1.0"), xmlFreeDoc);

    node = xmlDocGetRootElement (doc.get ());
    if (node == NULL
        || node->name == NULL
        || !xmlStrEqual (BAD_CAST "entry", node->name)) {

      set_status (_("Invalid server data"));
    } else {

      set_status ("");
      parse ();
      updated ();
    }
  }
}

void
RL::Entry::parse ()
{
  for (xmlNodePtr child = node->children; child != NULL; child = child->next) {

    if (child->type == XML_ELEMENT_NODE
        && child->name != NULL
        && xmlStrEqual (BAD_CAST "display-name", child->name)) {

      name_node = child;
    }
  }
}