//====== Copyright © 1996-2008, Valve Corporation, All rights reserved. =======
//
// Purpose: interface to app data in Steam
//
//=============================================================================

#ifndef ISTEAMAPPS_H
#define ISTEAMAPPS_H
#ifdef _WIN32
#pragma once
#endif

//-----------------------------------------------------------------------------
// Purpose: interface to app data
//-----------------------------------------------------------------------------
class ISteamApps
{
public:
	virtual bool BIsSubscribed() = 0;
	virtual bool BIsLowViolence() = 0;
	virtual bool BIsCybercafe() = 0;
	virtual bool BIsVACBanned() = 0;
	virtual const char *GetCurrentGameLanguage() = 0;
	virtual const char *GetAvailableGameLanguages() = 0;

	// only use this member if you need to check ownership of another game related to yours, a demo for example
	virtual bool BIsSubscribedApp( AppId_t appID ) = 0;

	// Takes AppID of DLC and checks if the user owns the DLC & if the DLC is installed
	virtual bool BIsDlcInstalled( AppId_t appID ) = 0;

	// returns the Unix time of the purchase of the app
	virtual uint32 GetEarliestPurchaseUnixTime( AppId_t nAppID ) = 0;

	// Checks if the user is subscribed to the current app through a free weekend
	// This function will return false for users who have a retail or other type of license
	// Before using, please ask your Valve technical contact how to package and secure your free weekened
	virtual bool BIsSubscribedFromFreeWeekend() = 0;
};

#define STEAMAPPS_INTERFACE_VERSION "STEAMAPPS_INTERFACE_VERSION004"

// callbacks
#pragma pack( push, 8 )

//-----------------------------------------------------------------------------
// Purpose: posted after the user gains ownership of DLC & that DLC is installed
//-----------------------------------------------------------------------------
struct DlcInstalled_t
{
	enum { k_iCallback = k_iSteamAppsCallbacks + 5 };
	AppId_t m_nAppID;		// AppID of the DLC
};

#pragma pack( pop )

#endif // ISTEAMAPPS_H
