/*
 * Copyright 2001-2007, Ingo Weinhold, bonefish@users.sf.net.
 * Distributed under the terms of the MIT License.
 */
#ifndef T_ROSTER_H
#define T_ROSTER_H


#include "AppInfoList.h"
#include "RecentApps.h"
#include "RecentEntries.h"
#include "WatchingService.h"

#include <Locker.h>
#include <MessageQueue.h>
#include <SupportDefs.h>

#include <hash_set>
#include <map>


#if __GNUC__ >= 4
using __gnu_cxx::hash_set;
#endif

using std::map;

class BMessage;
class WatchingService;

typedef map<int32, BMessageQueue*>	IARRequestMap;

class TRoster {
public:
	TRoster();
	virtual ~TRoster();

	void HandleAddApplication(BMessage *request);
	void HandleCompleteRegistration(BMessage *request);
	void HandleIsAppRegistered(BMessage *request);
	void HandleRemovePreRegApp(BMessage *request);
	void HandleRemoveApp(BMessage *request);
	void HandleSetThreadAndTeam(BMessage *request);
	void HandleSetSignature(BMessage *request);
	void HandleGetAppInfo(BMessage *request);
	void HandleGetAppList(BMessage *request);
	void HandleUpdateActiveApp(BMessage *request);
	void HandleBroadcast(BMessage *request);
	void HandleStartWatching(BMessage *request);
	void HandleStopWatching(BMessage *request);
	void HandleGetRecentDocuments(BMessage *request);
	void HandleGetRecentFolders(BMessage *request);
	void HandleGetRecentApps(BMessage *request);
	void HandleAddToRecentDocuments(BMessage *request);
	void HandleAddToRecentFolders(BMessage *request);
	void HandleAddToRecentApps(BMessage *request);
	void HandleLoadRecentLists(BMessage *request);
	void HandleSaveRecentLists(BMessage *request);

	void ClearRecentDocuments();
	void ClearRecentFolders();
	void ClearRecentApps();

	status_t Init();

	status_t AddApp(RosterAppInfo *info);
	void RemoveApp(RosterAppInfo *info);
	void UpdateActiveApp(RosterAppInfo *info);

	void CheckSanity();

	void SetShuttingDown(bool shuttingDown);
	status_t GetShutdownApps(AppInfoList &userApps, AppInfoList &systemApps,
		AppInfoList &backgroundApps, hash_set<team_id> &vitalSystemApps);

	status_t AddWatcher(Watcher *watcher);
	void RemoveWatcher(Watcher *watcher);

private:
	// hook functions
	void _AppAdded(RosterAppInfo *info);
	void _AppRemoved(RosterAppInfo *info);
	void _AppActivated(RosterAppInfo *info);
	void _AppDeactivated(RosterAppInfo *info);

	// helper functions
	static status_t _AddMessageAppInfo(BMessage* message, const app_info* info);
	static status_t _AddMessageWatchingInfo(BMessage* message,
		const app_info* info);
	uint32 _NextToken();

	void _AddIARRequest(IARRequestMap& map, int32 key, BMessage* request);
	void _ReplyToIARRequests(BMessageQueue* requests,
		const RosterAppInfo* info);
	void _ReplyToIARRequest(BMessage* request, const RosterAppInfo* info);

	void _HandleGetRecentEntries(BMessage* request);

	void _ValidateRunning(const entry_ref& ref, const char* signature);
	bool _IsSystemApp(RosterAppInfo* info) const;
	
	status_t _LoadRosterSettings(const char *path = NULL);
	status_t _SaveRosterSettings(const char *path = NULL);
	static const char *kDefaultRosterSettingsFile;
	
private:
	BLocker			fLock;
	AppInfoList		fRegisteredApps;
	AppInfoList		fEarlyPreRegisteredApps;
	IARRequestMap	fIARRequestsByID;
	IARRequestMap	fIARRequestsByToken;
	RosterAppInfo*	fActiveApp;
	WatchingService	fWatchingService;
	RecentApps		fRecentApps;
	RecentEntries	fRecentDocuments;
	RecentEntries	fRecentFolders;
	uint32			fLastToken;
	bool			fShuttingDown;
};

#endif	// T_ROSTER_H