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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2010-12 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by: Andrea Azzarone <andrea.azzarone@canonical.com>
*/
#include <list>
#include <gio/gio.h>
#include <NuxCore/Logger.h>
#include "DevicesSettingsImp.h"
#include <UnityCore/GLibSignal.h>
#include <UnityCore/GLibWrapper.h>
namespace unity
{
namespace launcher
{
DECLARE_LOGGER(logger, "unity.device.settings");
namespace
{
const std::string SETTINGS_NAME = "com.canonical.Unity.Devices";
const std::string KEY_NAME = "blacklist";
}
//
// Start private implementation
//
class DevicesSettingsImp::Impl
{
public:
Impl(DevicesSettingsImp* parent)
: parent_(parent)
, settings_(g_settings_new(SETTINGS_NAME.c_str()))
{
DownloadBlacklist();
ConnectSignals();
}
void ConnectSignals()
{
settings_changed_signal_.Connect(settings_, "changed::" + KEY_NAME, [this] (GSettings*, gchar*) {
DownloadBlacklist();
parent_->changed.emit();
});
}
void DownloadBlacklist()
{
std::shared_ptr<gchar*> downloaded_blacklist(g_settings_get_strv(settings_, KEY_NAME.c_str()), g_strfreev);
blacklist_.clear();
auto downloaded_blacklist_raw = downloaded_blacklist.get();
for (int i = 0; downloaded_blacklist_raw[i]; ++i)
blacklist_.push_back(downloaded_blacklist_raw[i]);
}
void UploadBlacklist()
{
const int size = blacklist_.size();
const char* blacklist_to_be_uploaded[size+1];
int index = 0;
for (auto const &item : blacklist_)
blacklist_to_be_uploaded[index++] = item.c_str();
blacklist_to_be_uploaded[index] = nullptr;
if (!g_settings_set_strv(settings_, KEY_NAME.c_str(), blacklist_to_be_uploaded))
{
LOG_WARNING(logger) << "Saving blacklist failed.";
}
}
bool IsABlacklistedDevice(std::string const& uuid) const
{
auto begin = std::begin(blacklist_);
auto end = std::end(blacklist_);
return std::find(begin, end, uuid) != end;
}
void TryToBlacklist(std::string const& uuid)
{
if (uuid.empty() || IsABlacklistedDevice(uuid))
return;
blacklist_.push_back(uuid);
UploadBlacklist();
}
void TryToUnblacklist(std::string const& uuid)
{
if (uuid.empty() || !IsABlacklistedDevice(uuid))
return;
blacklist_.remove(uuid);
UploadBlacklist();
}
DevicesSettingsImp* parent_;
glib::Object<GSettings> settings_;
std::list<std::string> blacklist_;
glib::Signal<void, GSettings*, gchar*> settings_changed_signal_;
};
//
// End private implementation
//
DevicesSettingsImp::DevicesSettingsImp()
: pimpl(new Impl(this))
{}
DevicesSettingsImp::~DevicesSettingsImp()
{}
bool DevicesSettingsImp::IsABlacklistedDevice(std::string const& uuid) const
{
return pimpl->IsABlacklistedDevice(uuid);
}
void DevicesSettingsImp::TryToBlacklist(std::string const& uuid)
{
pimpl->TryToBlacklist(uuid);
}
void DevicesSettingsImp::TryToUnblacklist(std::string const& uuid)
{
pimpl->TryToUnblacklist(uuid);
}
} // namespace launcher
} // namespace unity
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