haiku/headers/os/app/Roster.h

/*
 * Copyright 2001-2007, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Ingo Weinhold (bonefish@users.sf.net)
 */
#ifndef _ROSTER_H
#define _ROSTER_H


#include <Entry.h>
#include <Messenger.h>
#include <OS.h>

class BFile;
class BMimeType;
class BNodeInfo;


struct app_info {
	app_info();
	~app_info();

	thread_id	thread;
	team_id		team;
	port_id		port;
	uint32		flags;
	entry_ref	ref;
	char		signature[B_MIME_TYPE_LENGTH];
};

// app flags
#define B_SINGLE_LAUNCH			(0x0)
#define B_MULTIPLE_LAUNCH		(0x1)
#define B_EXCLUSIVE_LAUNCH		(0x2)
#define B_LAUNCH_MASK			(0x3)
#define B_BACKGROUND_APP		(0x4)
#define B_ARGV_ONLY				(0x8)
#define _B_APP_INFO_RESERVED1_	(0x10000000)

// watching request flags
enum {
	B_REQUEST_LAUNCHED	= 0x00000001,
	B_REQUEST_QUIT		= 0x00000002,
	B_REQUEST_ACTIVATED	= 0x00000004,
};

// notification message "what"
enum {
	B_SOME_APP_LAUNCHED		= 'BRAS',
	B_SOME_APP_QUIT			= 'BRAQ',
	B_SOME_APP_ACTIVATED	= 'BRAW',
};

class BList;


class BRoster {
	public:
		BRoster();
		~BRoster();

		// running apps
		bool IsRunning(const char *mimeSig) const;
		bool IsRunning(entry_ref *ref) const;
		team_id TeamFor(const char *mimeSig) const;
		team_id TeamFor(entry_ref *ref) const;
		void GetAppList(BList *teamIDList) const;
		void GetAppList(const char *sig, BList *teamIDList) const;

		// app infos
		status_t GetAppInfo(const char *sig, app_info *info) const;
		status_t GetAppInfo(entry_ref *ref, app_info *info) const;
		status_t GetRunningAppInfo(team_id team, app_info *info) const;
		status_t GetActiveAppInfo(app_info *info) const;

		// find app
		status_t FindApp(const char *mimeType, entry_ref *app) const;
		status_t FindApp(entry_ref *ref, entry_ref *app) const;

		// broadcast
		status_t Broadcast(BMessage *message) const;
		status_t Broadcast(BMessage *message, BMessenger replyTo) const;

		// watching
		status_t StartWatching(BMessenger target,
					uint32 eventMask = B_REQUEST_LAUNCHED | B_REQUEST_QUIT) const;
		status_t StopWatching(BMessenger target) const;

		status_t ActivateApp(team_id team) const;

		// launch app
		status_t Launch(const char *mimeType, BMessage *initialMessage = 0,
					team_id *appTeam = 0) const;
		status_t Launch(const char *mimeType, BList *messageList,
					team_id *appTeam = 0) const;
		status_t Launch(const char *mimeType, int argc, char **args,
					team_id *appTeam = 0) const;
		status_t Launch(const entry_ref *ref, const BMessage *initialMessage = 0,
					team_id *appTeam = 0) const;
		status_t Launch(const entry_ref *ref, const BList *messageList,
					team_id *appTeam = 0) const;
		status_t Launch(const entry_ref *ref, int argc, const char * const *args,
					team_id *appTeam = 0) const;

		// recent documents, folders, apps
		void GetRecentDocuments(BMessage *refList, int32 maxCount,
					const char *fileType = 0,
					const char *appSig = 0) const;
		void GetRecentDocuments(BMessage *refList, int32 maxCount,
					const char *fileTypes[], int32 fileTypesCount,
					const char *appSig = 0) const;
		void GetRecentFolders(BMessage *refList, int32 maxCount,
					const char *appSig = 0) const;
		void GetRecentApps(BMessage *refList, int32 maxCount) const;
		void AddToRecentDocuments(const entry_ref *doc,
					const char *appSig = 0) const;
		void AddToRecentFolders(const entry_ref *folder,
					const char *appSig = 0) const;

		// private/reserved stuff starts here
		class Private;

	private:
		class ArgVector;
		friend class Private;

		status_t _ShutDown(bool reboot, bool confirm, bool synchronous);

		status_t _AddApplication(const char *mimeSig, const entry_ref *ref,
					uint32 flags, team_id team, thread_id thread,
					port_id port, bool fullReg, uint32 *pToken,
					team_id *otherTeam) const;
		status_t _SetSignature(team_id team, const char *mimeSig) const;
		void _SetThread(team_id team, thread_id thread) const;
		status_t _SetThreadAndTeam(uint32 entryToken, thread_id thread,
					team_id team) const;
		status_t _CompleteRegistration(team_id team, thread_id thread,
					port_id port) const;
		bool _IsAppPreRegistered(const entry_ref *ref, team_id team,
					app_info *info) const;
		status_t _IsAppRegistered(const entry_ref *ref, team_id team,
					uint32 token, bool *preRegistered, app_info *info) const;
		status_t _RemovePreRegApp(uint32 entryToken) const;
		status_t _RemoveApp(team_id team) const;
		void _ApplicationCrashed(team_id team);

		status_t _LaunchApp(const char *mimeType, const entry_ref *ref,
					const BList *messageList, int argc,
					const char *const *args,
					team_id *appTeam) const;
		status_t _UpdateActiveApp(team_id team) const;
		void _SetAppFlags(team_id team, uint32 flags) const;
		void _DumpRoster() const;
		status_t _ResolveApp(const char *inType, entry_ref *ref, entry_ref *appRef,
					char *appSig, uint32 *appFlags,
					bool *wasDocument) const;
		status_t _TranslateRef(entry_ref *ref, BMimeType *appMeta,
					entry_ref *appRef, BFile *appFile,
					bool *wasDocument) const;
		status_t _TranslateType(const char *mimeType, BMimeType *appMeta,
					entry_ref *appRef, BFile *appFile) const;
		status_t _SniffFile(const entry_ref *file, BNodeInfo *nodeInfo,
					char *mimeType) const;
		status_t _SendToRunning(team_id team, int argc, const char *const *args,
					const BList *messageList, const entry_ref *ref,
					bool readyToRun) const;
		void _InitMessengers();
		void _AddToRecentApps(const char *appSig) const;
		void _ClearRecentDocuments() const;
		void _ClearRecentFolders() const;
		void _ClearRecentApps() const;
		void _LoadRecentLists(const char *filename) const;
		void _SaveRecentLists(const char *filename) const;

		BMessenger	fMessenger;
		BMessenger	fMimeMessenger;
		uint32		_reserved[3];
};

// global BRoster instance
extern const BRoster *be_roster;

#endif	// _ROSTER_H