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// Music.cpp: implementation of the CMusic class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "Browse.h" 
#include "Music.h" 
#include "mmsystem.h" 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#define WM_MYMESSAGE WM_USER+6 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CMusic::CMusic() 
{ 
	m_flag=TRUE; 
	m_Index=0; 
 
} 
 
CMusic::~CMusic() 
{ 
 
} 
 
void CMusic::PlayMusic() 
{ 
	//m_MusicPath=m_PathList[m_PathList.GetSize()-1]; 
	MCI_OPEN_PARMS mciopenparms; 
	MCI_PLAY_PARMS mciplayparms; 
	mciopenparms.lpstrElementName=m_MusicPath; 
	mciopenparms.lpstrDeviceType=NULL; 
	mciSendCommand(0,MCI_OPEN,MCI_DEVTYPE_WAVEFORM_AUDIO,(DWORD)(LPVOID)&mciopenparms); 
	m_count=mciopenparms.wDeviceID; 
	//mciplayparms.dwCallback=(DWORD)GetSafeHwnd();	 
	m_CdLen=GetInfo(MCI_STATUS_LENGTH);  
	if(m_flag==TRUE) 
		m_CdFrom=MCI_MAKE_HMS(0,0,0); 
	m_CdTo=MCI_MAKE_HMS(MCI_HMS_HOUR(m_CdLen),MCI_HMS_MINUTE(m_CdLen),MCI_HMS_SECOND(m_CdLen));   
	mciplayparms.dwFrom=m_CdFrom; 
	mciplayparms.dwTo=m_CdTo; 
	mciSendCommand(m_count,MCI_PLAY,MCI_TO|MCI_FROM,(DWORD)(LPVOID)& mciplayparms); 
 
} 
 
DWORD CMusic::GetInfo(DWORD item) 
{ 
	MCI_STATUS_PARMS mcistatusparms; 
//	mcistatusparms.dwCallback=(DWORD)GetSafeHwnd(); 
	mcistatusparms.dwItem=item; 
	mcistatusparms.dwReturn=0; 
	mciSendCommand(m_count,MCI_STATUS,MCI_STATUS_ITEM,(DWORD)&mcistatusparms); 
	return mcistatusparms.dwReturn; 
 
} 
 
void CMusic::StopMusic() 
{ 
	m_CdFrom=MCI_MAKE_HMS(0,0,0); 
	mciSendCommand(m_count,MCI_CLOSE,0,NULL); 
	m_count=0; 
 
} 
 
void CMusic::SetMusicPath(CString path) 
{ 
	m_MusicPath=path; 
 
} 
 
void CMusic::PauseMusic() 
{ 
	m_flag=FALSE; 
	DWORD dwsf=GetInfo(MCI_STATUS_POSITION); 
	m_CdFrom=MCI_MAKE_MSF(MCI_MSF_MINUTE(dwsf),MCI_MSF_SECOND(dwsf), 
    MCI_MSF_FRAME(dwsf)); 
	mciSendCommand(m_count,MCI_CLOSE,0,NULL); 
	m_count=0; 
 
} 
 
void CMusic::PlayFronMusic(HWND hWnd) 
{ 
/*	if(!(m_PathList.GetSize()==0)) 
	{ 
		if(this->GetCurentMusic(m_MusicPath)==(m_PathList.GetSize()-1)) 
		{ 
			MessageBox(hWnd,"已经到第一首了……","提示",MB_ICONINFORMATION); 
			StopMusic(); 
		} 
		else 
		{ 
			int n=this->GetCurentMusic(m_MusicPath)+1; 
			StopMusic(); 
			m_MusicPath=m_PathList[n]; 
			//m_Music.m_MusicPath=m_BgMusic; 
			PlayMusic(); 
		} 
	} 
	else 
		MessageBox(hWnd,"请先加入背景音乐……","提示",MB_ICONINFORMATION); 
*/ 
	if(m_PathList.GetSize()!=0) 
	{ 
		StopMusic(); 
		if(--m_Index<=0) 
			m_Index+=m_PathList.GetSize(); 
		 
		m_MusicPath=m_PathList[m_Index]; 
		PlayMusic(); 
	} 
	 
	 
} 
 
void CMusic::PlayNextMusic(HWND hWnd) 
{ 
 
	if(m_PathList.GetSize()!=0) 
	{ 
		 
		int max=m_PathList.GetSize(); 
		if(++m_Index>=max) 
		{ 
			m_Index=m_Index%max; 
		} 
		StopMusic(); 
		m_MusicPath=m_PathList[m_Index]; 
		PlayMusic(); 
	} 
	 
} 
 
int CMusic::GetCurentMusic(CString str) 
{ 
	int curent=0; 
	for(int i=0;i