YiPreferences.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_PREFERENCES_H_
#define _YI_PREFERENCES_H_

#include <ostream>

#include "binding/YiScriptableObject.h"
#include "utility/YiFileWatcher.h"

class CYIPreferences : public CYISignalHandler, public CYIScriptableObject
{
public:
    CYIPreferences();

    CYIPreferences(const CYIString &path, bool bWatchFile = false);

    CYIPreferences(const CYIPreferences &prefs);

    virtual ~CYIPreferences();

    CYIPreferences &operator=(const CYIPreferences &rhs);

    std::vector<CYIString> GetNames() const;

    const CYIString &GetPropFilePath() const
    {
        return m_configFilePath;
    }

    void SetPropFilePath(const CYIString &path)
    {
        m_configFilePath = path;
    }

    void Clear();

    virtual bool Load() final;

    virtual bool Save(const CYIString &path = CYIString::EMPTY_STRING) const;

    CYIString Get(const CYIString &name, bool *pFound = nullptr) const;

    void Set(const CYIString &name, const CYIString &value);

    bool IsWatchingFile() const;

    void UpdateFileMonitor();

        CYISignal<CYIPreferences> PropFileChanged;

        CYISignal<CYIPreferences> PropFileCreated;

        CYISignal<CYIPreferences> PropFileDeleted;

private:
    CYIFileWatcher *CreateFileWatcher();

    void CleanUpFileWatcher();

    void OnFileModified(const CYIString &path);

    void OnFileCreated(const CYIString &path);

    void OnFileDeleted(const CYIString &path);

    CYIString m_configFilePath;
    bool m_bWatchFile;

    std::map<CYIString, CYIString> m_settings;

    YI_FILEWATCHID m_watchedID;

    std::unique_ptr<CYIFileWatcher> m_pFileWatcher;
};

std::ostream &operator<<(std::ostream &stream, const CYIPreferences &val);

#endif // _YI_PREFERENCES_H_