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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 "commands/subscription-commands.hpp"
#include "util/i18n.hpp"
class Gobby::SubscriptionCommands::SessionInfo
{
public:
SessionInfo(SubscriptionCommands& commands, const Folder& folder,
InfSession* session):
m_folder(folder), m_session(session)
{
g_object_ref(session);
m_notify_subscription_group_handler = g_signal_connect(
G_OBJECT(session),
"notify::subscription-group",
G_CALLBACK(on_notify_subscription_group_static),
&commands);
}
~SessionInfo()
{
g_signal_handler_disconnect(
G_OBJECT(m_session),
m_notify_subscription_group_handler);
g_object_unref(m_session);
}
const Folder& get_folder() { return m_folder; }
InfSession* get_session() { return m_session; }
private:
static void on_notify_subscription_group_static(InfSession* session,
GParamSpec* pspec,
gpointer user_data)
{
static_cast<SubscriptionCommands*>(user_data)->
on_notify_subscription_group(session);
}
const Folder& m_folder;
InfSession* m_session;
gulong m_notify_subscription_group_handler;
};
Gobby::SubscriptionCommands::SubscriptionCommands(const Folder& text_folder,
const Folder& chat_folder):
m_text_folder(text_folder), m_chat_folder(chat_folder)
{
m_text_folder.signal_document_added().connect(
sigc::mem_fun(
*this,
&SubscriptionCommands::on_text_document_added));
m_chat_folder.signal_document_added().connect(
sigc::mem_fun(
*this,
&SubscriptionCommands::on_chat_document_added));
m_text_folder.signal_document_removed().connect(
sigc::mem_fun(
*this, &SubscriptionCommands::on_document_removed));
m_chat_folder.signal_document_removed().connect(
sigc::mem_fun(
*this, &SubscriptionCommands::on_document_removed));
}
Gobby::SubscriptionCommands::~SubscriptionCommands()
{
for(SessionMap::iterator iter = m_session_map.begin();
iter != m_session_map.end(); ++iter)
{
delete iter->second;
}
}
void Gobby::SubscriptionCommands::on_text_document_added(SessionView& view)
{
InfSession* session = view.get_session();
g_assert(m_session_map.find(session) == m_session_map.end());
m_session_map[session] =
new SessionInfo(*this, m_text_folder, session);
}
void Gobby::SubscriptionCommands::on_chat_document_added(SessionView& view)
{
InfSession* session = view.get_session();
g_assert(m_session_map.find(session) == m_session_map.end());
m_session_map[session] =
new SessionInfo(*this, m_chat_folder, session);
}
void Gobby::SubscriptionCommands::on_document_removed(SessionView& view)
{
InfSession* session = view.get_session();
SessionMap::iterator iter = m_session_map.find(session);
g_assert(iter != m_session_map.end());
delete iter->second;
m_session_map.erase(iter);
}
void Gobby::SubscriptionCommands::
on_notify_subscription_group(InfSession* session)
{
SessionMap::iterator iter = m_session_map.find(session);
g_assert(iter != m_session_map.end());
if(inf_session_get_subscription_group(session) == NULL)
{
const Folder& folder = iter->second->get_folder();
SessionView* view = folder.lookup_document(session);
g_assert(view != NULL);
TextSessionView* text_view =
dynamic_cast<TextSessionView*>(view);
ChatSessionView* chat_view =
dynamic_cast<ChatSessionView*>(view);
if(text_view)
{
/* If the session is in SYNCHRONIZING state then the
* session is closed due to a synchronization error.
* In that case synchronization-commands.cpp will set
* a more meaningful error message. */
if(inf_session_get_status(session) ==
INF_SESSION_RUNNING)
{
view->set_info(_(
"The connection to the publisher of "
"this document has been lost. "
"Further changes to the document "
"could not be synchronized to others "
"anymore, therefore the document "
"cannot be edited anymore.\n\n"
"Please note also that it is "
"possible that not all of your "
"latest changes have reached the "
"publisher before the connection was "
"lost."), true);
}
text_view->set_active_user(NULL);
}
else if(chat_view)
{
chat_view->set_active_user(NULL);
}
}
}
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