haiku/headers/os/app/Roster.h

//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
//
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//	and/or sell copies of the Software, and to permit persons to whom the
//	Software is furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
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//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//
//	File Name:		Roster.h
//	Author:			Ingo Weinhold (bonefish@users.sf.net)
//	Description:	BRoster class lets you launch apps and keeps
//					track of apps that are running. 
//					Global be_roster represents the default BRoster.
//					app_info structure provides info for a running app.
//------------------------------------------------------------------------------

#ifndef _ROSTER_H
#define _ROSTER_H

#include <BeBuild.h>
#include <Messenger.h>
#include <Mime.h>
#include <Clipboard.h>

class BList;
class BMessage;
class BNodeInfo;

extern "C" int	_init_roster_();

/*-------------------------------------------------------------*/
/* --------- app_info Struct and Values ------------------------ */

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];
};

#define B_LAUNCH_MASK				(0x3)

#define B_SINGLE_LAUNCH				(0x0)
#define B_MULTIPLE_LAUNCH			(0x1)
#define B_EXCLUSIVE_LAUNCH			(0x2)

#define B_BACKGROUND_APP			(0x4)
#define B_ARGV_ONLY					(0x8)
#define _B_APP_INFO_RESERVED1_		(0x10000000)


enum {
	B_REQUEST_LAUNCHED	= 0x00000001,
	B_REQUEST_QUIT		= 0x00000002,
	B_REQUEST_ACTIVATED	= 0x00000004
};

enum {
	B_SOME_APP_LAUNCHED		= 'BRAS',
	B_SOME_APP_QUIT			= 'BRAQ',
	B_SOME_APP_ACTIVATED	= 'BRAW'
};

/*-------------------------------------------------------------*/
/* --------- BRoster class----------------------------------- */

class BRoster {
public:
	BRoster();
	~BRoster();
		
	/* Querying for 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;
	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;
	status_t FindApp(const char *mimeType, entry_ref *app) const;
	status_t FindApp(entry_ref *ref, entry_ref *app) const;

	/* Launching, activating, and broadcasting to apps */
	status_t Broadcast(BMessage *msg) const;
	status_t Broadcast(BMessage *msg, BMessenger replyTo) const;
	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;

	status_t Launch(const char *mimeType, BMessage *initialMsgs = NULL,
					team_id *appTeam = NULL) const;
	status_t Launch(const char *mimeType, BList *messageList,
					team_id *appTeam = NULL) const;
	status_t Launch(const char *mimeType, int argc, char **args,
					team_id *appTeam = NULL) const;
	status_t Launch(const entry_ref *ref,
					const BMessage *initialMessage = NULL,
					team_id *app_team = NULL) const;
	status_t Launch(const entry_ref *ref, const BList *messageList,
					team_id *appTeam = NULL) const;
	status_t Launch(const entry_ref *ref, int argc, const char * const *args,
					team_id *appTeam = NULL) const;

	/* Recent document and app support */
	void GetRecentDocuments(BMessage *refList, int32 maxCount,
							const char *ofType = NULL,
							const char *openedByAppSig = NULL) const;
	void GetRecentDocuments(BMessage *refList, int32 maxCount,
							const char *ofTypeList[], int32 ofTypeListCount,
							const char *openedByAppSig = NULL) const;
	void GetRecentFolders(BMessage *refList, int32 maxCount,
						  const char *openedByAppSig = NULL) const;
	void GetRecentApps(BMessage *refList, int32 maxCount) const;

	void AddToRecentDocuments(const entry_ref *doc,
							  const char *appSig = NULL) const;
	void AddToRecentFolders(const entry_ref *folder,
							const char *appSig = NULL) const;
		
/*----- Private or reserved ------------------------------*/
private:
	friend class BApplication;
	friend class BWindow;
	friend class _BAppCleanup_;
	friend int	_init_roster_();
	friend status_t _send_to_roster_(BMessage *, BMessage *, bool);
	friend bool _is_valid_roster_mess_(bool);
	friend status_t BMimeType::StartWatching(BMessenger);
	friend status_t BMimeType::StopWatching(BMessenger);
	friend status_t BClipboard::StartWatching(BMessenger);
	friend status_t BClipboard::StopWatching(BMessenger);

	enum mtarget {
		MAIN_MESSENGER,
		MIME_MESSENGER,
		USE_GIVEN
	};

	status_t _StartWatching(mtarget target, BMessenger *rosterMess,
							uint32 what, BMessenger notify,
							uint32 event_mask) const;
	status_t _StopWatching(mtarget target, BMessenger *rosterMess, uint32 what,
						   BMessenger notify) const;
	uint32 AddApplication(const char *mimeSig, entry_ref *ref, uint32 flags,
						  team_id team, thread_id thread, port_id port,
						  bool fullReg) const;
	void SetSignature(team_id team, const char *mimeSig) const;
	void SetThread(team_id team, thread_id thread) const;
	void SetThreadAndTeam(uint32 entry_token, thread_id thread,
						  team_id team) const;
	void CompleteRegistration(team_id team, thread_id, port_id port) const;
	bool IsAppPreRegistered(entry_ref *ref, team_id team,
							app_info *info) const;
	void RemovePreRegApp(uint32 entryToken) const;
	void RemoveApp(team_id team) const;

	status_t xLaunchAppPrivate(const char *mimeSig, const entry_ref *ref,
							   BList* msgList, int cargs, char **args,
							   team_id *appTeam) const;
	bool UpdateActiveApp(team_id team) const;
	void SetAppFlags(team_id team, uint32 flags) const;
	void DumpRoster() const;
	status_t resolve_app(const char *inType, const entry_ref *ref,
						 entry_ref *appRef, char *appSig, uint32 *appFlags,
						 bool *wasDocument) const;
	status_t translate_ref(const entry_ref *ref, BMimeType *appMeta,
						   entry_ref *appRef, BFile *appFile, char *appSig,
						   bool *wasDocument) const;
	status_t translate_type(const char *mimeType, BMimeType *meta,
							entry_ref *appRef, BFile *appFile,
							char *appSig) const;
	status_t sniff_file(const entry_ref *file, BNodeInfo *finfo,
						char *mimeType) const;
	bool is_wildcard(const char *sig) const;
	status_t get_unique_supporting_app(const BMessage *apps,
									   char *outSig) const;
	status_t get_random_supporting_app(const BMessage *apps,
									   char *outSig) const;
	char **build_arg_vector(char **args, int *pargs, const entry_ref *appRef,
							const entry_ref *docRef) const;
	status_t send_to_running(team_id team, const entry_ref *appRef,
							 int cargs, char **args, const BList *msgList,
							 const entry_ref *ref) const;
	void InitMessengers();

	BMessenger	fMess;
	BMessenger	fMimeMess;
	uint32		_fReserved[3];
};

/*-----------------------------------------------------*/
/*----- Global be_roster ------------------------------*/

extern _IMPEXP_BE const BRoster *be_roster;

/*-----------------------------------------------------*/
/*-----------------------------------------------------*/

#endif /* _ROSTER_H */