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/* Gobby - GTK-based collaborative text editor
* Copyright (C) 2008-2014 Armin Burgmeier <armin@arbur.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "core/nodewatch.hpp"
Gobby::NodeWatch::NodeWatch(InfBrowser* browser,
const InfBrowserIter* iter):
m_browser(browser), m_node_removed_handler(0)
{
if(iter != NULL)
m_iter = *iter;
else
m_iter.node = NULL;
// TODO: (weak-)ref browser?
InfBrowserStatus status;
g_object_get(G_OBJECT(m_browser), "status", &status, NULL);
g_assert(status == INF_BROWSER_OPEN);
m_notify_status_handler = g_signal_connect(
browser, "notify::status",
G_CALLBACK(on_notify_status_static), this);
if(m_iter.node != NULL)
{
m_node_removed_handler = g_signal_connect(
m_browser, "node-removed",
G_CALLBACK(on_node_removed_static), this);
}
}
Gobby::NodeWatch::~NodeWatch()
{
if(m_browser != NULL)
reset();
}
void Gobby::NodeWatch::on_notify_status()
{
InfBrowserStatus status;
g_object_get(G_OBJECT(m_browser), "status", &status, NULL);
// Connection was closed: Node is no longer reachable
if(status != INF_BROWSER_OPEN)
{
reset();
m_signal_node_removed.emit();
}
}
void Gobby::NodeWatch::on_node_removed(InfBrowser* browser,
InfBrowserIter* iter,
InfRequest* request)
{
g_assert(browser == m_browser);
g_assert(m_iter.node != NULL);
if(inf_browser_is_ancestor(m_browser, iter, &m_iter))
{
reset();
m_signal_node_removed.emit();
}
}
void Gobby::NodeWatch::reset()
{
g_assert(m_browser != NULL);
g_signal_handler_disconnect(
m_browser, m_notify_status_handler);
if(m_node_removed_handler != 0)
{
g_signal_handler_disconnect(
m_browser, m_node_removed_handler);
}
m_iter.node = NULL;
m_browser = NULL;
}
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