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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.
*/
// TODO: Show "Querying file name(s)..." in statusbar when querying file
// names without actually opening a file because of waiting for the file name.
#include "operations/operation-open-multiple.hpp"
#include "operations/operation-open.hpp"
#include "util/i18n.hpp"
Gobby::OperationOpenMultiple::OperationOpenMultiple(
Operations& operations,
const Preferences& prefs,
InfBrowser* browser,
const InfBrowserIter* parent,
const uri_list& uris):
Operation(operations), m_preferences(prefs),
m_parent(browser, parent), m_current(NULL)
{
m_parent.signal_node_removed().connect(
sigc::mem_fun(*this,
&OperationOpenMultiple::on_node_removed));
for(uri_list::const_iterator iter = uris.begin();
iter != uris.end(); ++iter)
{
info_list::iterator info_iter =
m_infos.insert(m_infos.end(), Info());
Info& info = *info_iter;
info.uri = *iter;
info.encoding = NULL; /* auto-detect... */
}
}
void Gobby::OperationOpenMultiple::start()
{
for(info_list::iterator iter = m_infos.begin();
iter != m_infos.end(); ++iter)
{
query(iter);
}
}
void Gobby::OperationOpenMultiple::query(const info_list::iterator& info)
{
Glib::RefPtr<Gio::File> file =
Gio::File::create_for_uri(info->uri);
if(info->name.empty())
{
try
{
// Query file name
file->query_info_async(
sigc::bind(
sigc::mem_fun(
*this,
&OperationOpenMultiple::
on_query_info),
file, info),
G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME);
}
catch(const Gio::Error& ex)
{
single_error(info, ex.what());
}
}
else
{
if(!m_current)
load_info(info);
}
}
void Gobby::OperationOpenMultiple::on_node_removed()
{
fatal_error(_("Parent folder was removed"));
}
void Gobby::OperationOpenMultiple::on_query_info(
const Glib::RefPtr<Gio::AsyncResult>& result,
const Glib::RefPtr<Gio::File>& file,
const info_list::iterator& info)
{
try
{
Glib::RefPtr<Gio::FileInfo> file_info =
file->query_info_finish(result);
info->name = file_info->get_display_name();
if(!m_current) load_info(info);
}
catch(const Gio::Error& ex)
{
single_error(info, ex.what());
}
}
void Gobby::OperationOpenMultiple::on_finished(
bool success,
const info_list::iterator& info)
{
m_infos.erase(info);
m_current = NULL;
if(m_infos.empty())
{
// All documents loaded
finish();
}
else
{
// Find the next info with name set
for(info_list::iterator iter = m_infos.begin();
iter != m_infos.end(); ++iter)
{
if(!iter->name.empty())
{
load_info(iter);
break;
}
}
// If no info was found, then wait for names to become
// available, by query info results
}
}
void Gobby::OperationOpenMultiple::load_info(const info_list::iterator& iter)
{
g_assert(m_current == NULL);
g_assert(!iter->name.empty());
m_current = m_operations.create_document(
m_parent.get_browser(), m_parent.get_browser_iter(),
iter->name, m_preferences, iter->uri, iter->encoding);
// TODO: In principle this could be NULL if the whole operation
// finished synchrounously. In this case with the current API we
// cannot find out whether the operation was successful or not. What
// we do does not depend on whether the operation is successful,
// so it does not matter at this point. But in principle we should
// change the API so that we can find it out here. Note also that
// currently, OperationOpen can never finish synchrounously.
if(m_current == NULL)
{
on_finished(true, iter);
}
else
{
m_current->signal_finished().connect(
sigc::bind(
sigc::mem_fun(
*this,
&OperationOpenMultiple::on_finished),
iter));
}
}
void Gobby::OperationOpenMultiple::single_error(
const info_list::iterator& iter,
const Glib::ustring& message)
{
get_status_bar().add_error_message(
Glib::ustring::compose(
_("Failed to open document \"%1\""), iter->uri),
message);
m_infos.erase(iter);
// Finish operation if there are no more URIs to load
if(m_infos.empty())
finish();
}
void Gobby::OperationOpenMultiple::fatal_error(const Glib::ustring& message)
{
get_status_bar().add_error_message(
_("Failed to open multiple documents"),
message);
fail();
}
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