ctrlmediaframe.h

著名的下载软件核心Shareaza

//
// CtrlMediaFrame.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
//

#pragma once

#include "CtrlCoolBar.h"
#include "CtrlMediaList.h"


class CMediaFrame : public CWnd
{
// Construction
public:
	CMediaFrame();
	virtual ~CMediaFrame();
	
	DECLARE_DYNAMIC(CMediaFrame)
	
// Operations
public:
	void	OnSkinChange();
	void	OnUpdateCmdUI();
	BOOL	PlayFile(LPCTSTR pszFile);
	BOOL	EnqueueFile(LPCTSTR pszFile);
	BOOL	IsPlaying();
	void	OnFileDelete(LPCTSTR pszFile);
	float	GetPosition();
	float	GetVolume();
	BOOL	SeekTo(float nPosition);
	BOOL	SetVolume(float nVolume);
	BOOL	PaintStatusMicro(CDC& dc, CRect& rcBar);
protected:
	void	SetFullScreen(BOOL bFullScreen);
	void	PaintSplash(CDC& dc, CRect& rcBar);
	void	PaintListHeader(CDC& dc, CRect& rcBar);
	void	PaintStatus(CDC& dc, CRect& rcBar);
	BOOL	DoSizeList();
	BOOL	Prepare();
	BOOL	PrepareVis();
	BOOL	OpenFile(LPCTSTR pszFile);
	void	Cleanup();
	void	ZoomTo(MediaZoom nZoom);
	void	AspectTo(double nAspect);
	void	UpdateState();
public:
	inline IMediaPlayer* GetPlayer() { return m_pPlayer; }
	inline MediaState GetState() { return m_pPlayer != NULL ? m_nState : smsNull; }
	
// Attributes
protected:
	IMediaPlayer*	m_pPlayer;
	MediaState		m_nState;
	LONGLONG		m_nLength;
	LONGLONG		m_nPosition;
	BOOL			m_bMute;
	BOOL			m_bThumbPlay;
	BOOL			m_bAutoPlay;
	DWORD			m_tLastPlay;
protected:
	CString			m_sFile;
	CMetaList		m_pMetadata;
	DWORD			m_tMetadata;
protected:
	CMediaListCtrl	m_wndList;
	CCoolBarCtrl	m_wndListBar;
	CCoolBarCtrl	m_wndToolBar;
	CSliderCtrl		m_wndPosition;
	CSliderCtrl		m_wndSpeed;
	CSliderCtrl		m_wndVolume;
protected:
	BOOL			m_bFullScreen;
	DWORD			m_tBarTime;
	CPoint			m_ptCursor;
	BOOL			m_bListVisible;
	int				m_nListSize;
	BOOL			m_bStatusVisible;
protected:
	CRect			m_rcVideo;
	CRect			m_rcStatus;
	CBitmap			m_bmLogo;
	CImageList		m_pIcons;
	CFont			m_pFontDefault;
	CFont			m_pFontKey;
	CFont			m_pFontValue;
public:
	static CMediaFrame* g_pMediaFrame;

// Overrides
public:
	virtual BOOL Create(CWnd* pParentWnd);
	virtual BOOL OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo);
	virtual BOOL PreTranslateMessage(MSG* pMsg);

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnDestroy();
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnPaint();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnClose();

	afx_msg void OnUpdateMediaClose(CCmdUI* pCmdUI);
	afx_msg void OnMediaClose();
	afx_msg void OnUpdateMediaPlay(CCmdUI* pCmdUI);
	afx_msg void OnMediaPlay();
	afx_msg void OnUpdateMediaPause(CCmdUI* pCmdUI);
	afx_msg void OnMediaPause();
	afx_msg void OnUpdateMediaStop(CCmdUI* pCmdUI);
	afx_msg void OnMediaStop();
	afx_msg void OnMediaZoom();
	afx_msg void OnUpdateMediaSizeFill(CCmdUI* pCmdUI);
	afx_msg void OnMediaSizeFill();
	afx_msg void OnUpdateMediaSizeDistort(CCmdUI* pCmdUI);
	afx_msg void OnMediaSizeDistort();
	afx_msg void OnUpdateMediaSizeOne(CCmdUI* pCmdUI);
	afx_msg void OnMediaSizeOne();
	afx_msg void OnUpdateMediaSizeTwo(CCmdUI* pCmdUI);
	afx_msg void OnMediaSizeTwo();
	afx_msg void OnUpdateMediaSizeThree(CCmdUI* pCmdUI);
	afx_msg void OnMediaSizeThree();
	afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	afx_msg void OnUpdateMediaAspectDefault(CCmdUI* pCmdUI);
	afx_msg void OnMediaAspectDefault();
	afx_msg void OnUpdateMediaAspect43(CCmdUI* pCmdUI);
	afx_msg void OnMediaAspect43();
	afx_msg void OnUpdateMediaAspect169(CCmdUI* pCmdUI);
	afx_msg void OnMediaAspect169();
	afx_msg void OnUpdateMediaFullScreen(CCmdUI* pCmdUI);
	afx_msg void OnMediaFullScreen();
	afx_msg void OnUpdateMediaPlaylist(CCmdUI* pCmdUI);
	afx_msg void OnMediaPlaylist();
	afx_msg void OnMediaSettings();
	afx_msg void OnUpdateMediaSettings(CCmdUI* pCmdUI);
	afx_msg void OnUpdateMediaVis(CCmdUI* pCmdUI);
	afx_msg void OnMediaVis();
	afx_msg void OnUpdateMediaStatus(CCmdUI* pCmdUI);
	afx_msg void OnMediaStatus();
	afx_msg void OnUpdateMediaMute(CCmdUI* pCmdUI);
	afx_msg void OnMediaMute();

	afx_msg void OnNewCurrent(NMHDR* pNotify, LRESULT* pResult);
	afx_msg LONG OnMediaKey(WPARAM wParam, LPARAM lParam);

};

//{{AFX_INSERT_LOCATION}}

#define IDC_MEDIA_FRAME		116
#define IDC_MEDIA_POSITION	117
#define IDC_MEDIA_SPEED		118
#define IDC_MEDIA_VOLUME	119
#define IDC_MEDIA_PLAYLIST	120

#define VK_MEDIA_NEXT_TRACK    0xB0
#define VK_MEDIA_PREV_TRACK    0xB1
#define VK_MEDIA_STOP          0xB2
#define VK_MEDIA_PLAY_PAUSE    0xB3