library.h

著名的下载软件核心Shareaza

//
// Library.h
//
// Copyright (c) Shareaza Development Team, 2002-2004.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza is free software; you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Shareaza is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#if !defined(AFX_LIBRARY_H__28EBDAFA_BD15_4BBF_874D_1B6116B0E603__INCLUDED_)
#define AFX_LIBRARY_H__28EBDAFA_BD15_4BBF_874D_1B6116B0E603__INCLUDED_

#pragma once

class CQuerySearch;
class CLibraryFile;
class CLibraryFolder;
class CAlbumFolder;


class CLibrary : public CComObject
{
// Construction
public:
	CLibrary();
	virtual ~CLibrary();

	DECLARE_DYNAMIC(CLibrary)
	
// Attributes
public:
	CMutex			m_pSection;
	DWORD			m_nUpdateCookie;
	DWORD			m_nScanCount;
protected:
	DWORD			m_nScanCookie;
	DWORD			m_nUpdateSaved;
	int				m_nFileSwitch;
	DWORD			m_nInhibit;
protected:
	HANDLE			m_hThread;
	BOOL			m_bThread;
	CEvent			m_pWakeup;
public:
	HINSTANCE		m_hKernel;
	BOOL			(WINAPI* m_pfnGFAEW)(LPCWSTR, GET_FILEEX_INFO_LEVELS, LPVOID);
	BOOL			(WINAPI* m_pfnGFAEA)(LPCSTR, GET_FILEEX_INFO_LEVELS, LPVOID);
	
// Sync Operations
public:
	BOOL			Lock(DWORD nTimeout = INFINITE);
	void			Unlock(BOOL bSetUpdated = FALSE);
	void			Inhibit(BOOL bInhibit);
	
// File and Folder Operations
public:
	CLibraryFile*	LookupFile(DWORD nIndex, BOOL bLockOnSuccess = FALSE, BOOL bSharedOnly = FALSE, BOOL bAvailableOnly = FALSE);
	CAlbumFolder*	GetAlbumRoot();
protected:
	void			AddFile(CLibraryFile* pFile);
	void			RemoveFile(CLibraryFile* pFile);
	void			OnFileDelete(CLibraryFile* pFile);
	
// General Operations
public:
	CPtrList*		Search(CQuerySearch* pSearch, int nMaximum = 0, BOOL bLocal = FALSE);
	void			Clear();
	BOOL			Load();
	void			Save();
	void			StartThread();
	void			StopThread();
protected:
	void			Serialize(CArchive& ar);
private:
	static UINT		ThreadStart(LPVOID pParam);
	void			OnRun();
	BOOL			ThreadScan();
	
	friend class CLibraryFolder;
	friend class CLibraryFile;
	friend class CLibraryBuilder;
	
// Automation
protected:
	BEGIN_INTERFACE_PART(Library, ILibrary)
		DECLARE_DISPATCH()
		STDMETHOD(get_Application)(IApplication FAR* FAR* ppApplication);
		STDMETHOD(get_Library)(ILibrary FAR* FAR* ppLibrary);
		STDMETHOD(get_Folders)(ILibraryFolders FAR* FAR* ppFolders);
		STDMETHOD(get_Albums)(IUnknown FAR* FAR* ppAlbums);
		STDMETHOD(get_Files)(ILibraryFiles FAR* FAR* ppFiles);
		STDMETHOD(FindByName)(BSTR sName, ILibraryFile FAR* FAR* ppFile);
		STDMETHOD(FindByPath)(BSTR sPath, ILibraryFile FAR* FAR* ppFile);
		STDMETHOD(FindByURN)(BSTR sURN, ILibraryFile FAR* FAR* ppFile);
		STDMETHOD(FindByIndex)(LONG nIndex, ILibraryFile FAR* FAR* ppFile);
	END_INTERFACE_PART(Library)
	
	DECLARE_INTERFACE_MAP()

};

extern CLibrary Library;

#include "LibraryList.h"
#include "LibraryMaps.h"

#endif // !defined(AFX_LIBRARY_H__28EBDAFA_BD15_4BBF_874D_1B6116B0E603__INCLUDED_)