/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the Qt Solutions component.
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
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#pragma once
#include <QObject>
#include <QString>
#include <memory>


class QLocalServer;
class LockedFile;

class ApplicationId
{
public: /* methods */
    // traditional app = installed system wide and used in a multi-user environment
    static ApplicationId fromTraditionalApp();
    // ID based on a path with all the application data (no two instances with the same data path should run)
    static ApplicationId fromPathAndVersion(const QString & dataPath, const QString & version);
    // custom ID
    static ApplicationId fromCustomId(const QString & id);
    // custom ID, based on a raw string previously acquired from 'toString'
    static ApplicationId fromRawString(const QString & id);


    QString toString()
    {
        return m_id;
    }

private: /* methods */
    ApplicationId(const QString & value)
    {
        m_id = value;
    }

private: /* data */
    QString m_id;
};

class LocalPeer : public QObject
{
    Q_OBJECT

public:
    LocalPeer(QObject *parent, const ApplicationId &appId);
    ~LocalPeer();
    bool isClient();
    bool sendMessage(const QString &message, int timeout);
    ApplicationId applicationId() const;

Q_SIGNALS:
    void messageReceived(const QString &message);

protected Q_SLOTS:
    void receiveConnection();

protected:
    ApplicationId id;
    QString socketName;
    std::unique_ptr<QLocalServer> server;
    std::unique_ptr<LockedFile> lockFile;
};