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/**
* @file lldaycyclemanager.h
* @brief Implementation for the LLDayCycleManager class.
*
* $LicenseInfo:firstyear=2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2011, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLDAYCYCLEMANAGER_H
#define LL_LLDAYCYCLEMANAGER_H
#include <map>
#include <string>
#include "llwldaycycle.h"
#include "llwlparammanager.h"
/**
* WindLight day cycles manager class
*
* Provides interface for accessing, loading and saving day cycles.
*/
class LLDayCycleManager : public LLSingleton<LLDayCycleManager>
{
LOG_CLASS(LLDayCycleManager);
public:
typedef std::list<std::string> preset_name_list_t;
typedef std::map<std::string, LLWLDayCycle> dc_map_t;
typedef boost::signals2::signal<void()> modify_signal_t;
void getPresetNames(preset_name_list_t& names) const;
void getPresetNames(preset_name_list_t& user, preset_name_list_t& sys) const;
void getUserPresetNames(preset_name_list_t& user) const;
bool getPreset(const std::string name, LLWLDayCycle& day_cycle) const;
bool getPreset(const std::string name, LLSD& day_cycle) const;
bool presetExists(const std::string name) const;
bool isSystemPreset(const std::string& name) const;
bool savePreset(const std::string& name, const LLSD& data);
bool deletePreset(const std::string& name);
/// @return true if there is a day cycle that refers to the sky preset.
bool isSkyPresetReferenced(const std::string& preset_name) const;
/// Emitted when a preset gets added or deleted.
boost::signals2::connection setModifyCallback(const modify_signal_t::slot_type& cb);
private:
friend class LLSingleton<LLDayCycleManager>;
/*virtual*/ void initSingleton();
void loadAllPresets();
void loadPresets(const std::string& dir);
bool loadPreset(const std::string& path);
bool addPreset(const std::string& name, const LLSD& data);
static std::string getSysDir();
static std::string getUserDir();
dc_map_t mDayCycleMap;
modify_signal_t mModifySignal;
};
#endif // LL_LLDAYCYCLEMANAGER_H
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