DlgMediaVis.cpp

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//
// DlgMediaVis.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2005.
// 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
//

#include "StdAfx.h"
#include "Shareaza.h"
#include "Settings.h"
#include "Plugins.h"
#include "CoolInterface.h"
#include "DlgMediaVis.h"
#include "CtrlMediaFrame.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

IMPLEMENT_DYNAMIC(CMediaVisDlg, CSkinDialog)

BEGIN_MESSAGE_MAP(CMediaVisDlg, CSkinDialog)
        //{{AFX_MSG_MAP(CMediaVisDlg)
        ON_NOTIFY(NM_DBLCLK, IDC_PLUGINS, OnDblClkPlugins)
        ON_NOTIFY(LVN_ITEMCHANGED, IDC_PLUGINS, OnItemChangedPlugins)
        ON_BN_CLICKED(IDC_SETUP, OnSetup)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()


// CMediaVisDlg dialog

CMediaVisDlg::CMediaVisDlg(CMediaFrame* pFrame) : CSkinDialog( CMediaVisDlg::IDD, NULL )
{
        //{{AFX_DATA_INIT(CMediaVisDlg)
        m_nSize = -1;
        //}}AFX_DATA_INIT
        m_pFrame        = pFrame;
        m_hIcon         = NULL;
}

CMediaVisDlg::~CMediaVisDlg()
{
        if ( m_hIcon ) DestroyIcon( m_hIcon );
}

void CMediaVisDlg::DoDataExchange(CDataExchange* pDX)
{
        CSkinDialog::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(CMediaVisDlg)
        DDX_Control(pDX, IDC_SETUP, m_wndSetup);
        DDX_Control(pDX, IDC_PLUGINS, m_wndList);
        DDX_CBIndex(pDX, IDC_VIS_SIZE, m_nSize);
        //}}AFX_DATA_MAP
}

// CMediaVisDlg message handlers

BOOL CMediaVisDlg::OnInitDialog()
{
        CString strMessage;

        CSkinDialog::OnInitDialog();

        SkinMe( NULL, ID_MEDIA_VIS );

        CRect rc;
        m_wndList.GetClientRect( &rc );
        rc.right -= GetSystemMetrics( SM_CXVSCROLL ) + 1;

        m_wndList.SetImageList( &CoolInterface.m_pImages, LVSIL_SMALL );
        m_wndList.InsertColumn( 0, _T("Description"), LVCFMT_LEFT, rc.right, -1 );
        m_wndList.InsertColumn( 1, _T("CLSID"), LVCFMT_LEFT, 0, 0 );
        m_wndList.InsertColumn( 2, _T("Subpath"), LVCFMT_LEFT, 0, 1 );

        m_wndList.SendMessage( LVM_SETEXTENDEDLISTVIEWSTYLE,
                LVS_EX_FULLROWSELECT, LVS_EX_FULLROWSELECT );

        m_nIcon = CoolInterface.ImageForID( ID_MEDIA_VIS );
        m_hIcon = CoolInterface.ExtractIcon( ID_MEDIA_VIS );
        SetIcon( m_hIcon, FALSE );

        LoadString( strMessage, IDS_MEDIAVIS_NOVIS );
        AddPlugin( strMessage, NULL, NULL );
        Enumerate();

        m_nSize = Settings.MediaPlayer.VisSize + 1;
        UpdateData( FALSE );

        m_wndSetup.EnableWindow( m_wndList.GetSelectedCount() == 1 );

        return TRUE;
}

void CMediaVisDlg::Enumerate()
{
        CWaitCursor pCursor;
        HKEY hKey;

        if ( RegOpenKeyEx( HKEY_LOCAL_MACHINE,
                _T("Software\\Shareaza\\Shareaza\\Plugins\\AudioVis"),
                NULL, KEY_READ, &hKey ) != ERROR_SUCCESS ) return;

        for ( DWORD nKey = 0 ; ; nKey++ )
        {
                DWORD dwType, dwName = sizeof(TCHAR) * 128, dwCLSID = 64 * sizeof(TCHAR);
                TCHAR szName[128], szCLSID[64];

                if ( RegEnumValue( hKey, nKey, szName, &dwName, NULL, &dwType, (LPBYTE)szCLSID, &dwCLSID )
                         != ERROR_SUCCESS ) break;

                if ( dwType != REG_SZ || dwCLSID / sizeof(TCHAR) != 39 || szCLSID[0] != '{' || szName[0] == '{' ) continue;
                szCLSID[ 38 ] = 0;

                CLSID pCLSID;
                if ( ! GUIDX::Decode( szCLSID, &pCLSID ) ) continue;
                if ( ! Plugins.LookupEnable( pCLSID, TRUE ) ) continue;

                if ( _tcsistr( szName, _T("wrap") ) )
                {
                        if ( ! EnumerateWrapped( szName, pCLSID, szCLSID ) )
                        {
                                AddPlugin( szName, szCLSID, NULL );
                        }
                }
                else
                {
                        AddPlugin( szName, szCLSID, NULL );
                }
        }

        RegCloseKey( hKey );
}

void CMediaVisDlg::AddPlugin(LPCTSTR pszName, LPCTSTR pszCLSID, LPCTSTR pszPath)
{
        int nItem = m_wndList.InsertItem( LVIF_TEXT|LVIF_IMAGE, -1, pszName, 0, 0, m_nIcon, 0 );

        if ( pszCLSID ) m_wndList.SetItemText( nItem, 1, pszCLSID );
        if ( pszPath ) m_wndList.SetItemText( nItem, 2, pszPath );

        if ( ( pszCLSID == NULL && Settings.MediaPlayer.VisCLSID.IsEmpty() ) ||
                 ( pszCLSID != NULL && Settings.MediaPlayer.VisCLSID.CompareNoCase( pszCLSID ) == 0 ) )
        {
                if ( ( pszPath == NULL && Settings.MediaPlayer.VisPath.IsEmpty() ) ||
                         ( pszPath != NULL && Settings.MediaPlayer.VisPath.CompareNoCase( pszPath ) == 0 ) )
                {
                        m_wndList.SetItemState( nItem, LVIS_SELECTED, LVIS_SELECTED );
                }
        }
}

BOOL CMediaVisDlg::EnumerateWrapped(LPCTSTR pszName, REFCLSID pCLSID, LPCTSTR pszCLSID)
{
        IWrappedPluginControl* pPlugin = NULL;

        HINSTANCE hRes = AfxGetResourceHandle();

        HRESULT hr = CoCreateInstance( pCLSID, NULL, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER,
                IID_IWrappedPluginControl, (void**)&pPlugin );

        AfxSetResourceHandle( hRes );

        if ( FAILED(hr) || pPlugin == NULL ) return FALSE;

        LPSAFEARRAY pArray = NULL;
        hr = pPlugin->Enumerate( &pArray );

        pPlugin->Release();

        if ( FAILED(hr) || pArray == NULL ) return FALSE;

        LONG pIndex[2] = { 0, 0 };
        SafeArrayGetUBound( pArray, 2, &pIndex[1] );

        if ( pIndex[1] < 0 )
        {
                SafeArrayDestroy( pArray );
                return TRUE;
        }

        for ( ; pIndex[1] >= 0 ; pIndex[1] -- )
        {
                CString strName, strPath;
                BSTR bsValue = NULL;

                strName = pszName;
                strName += _T(": ");

                pIndex[0] = 0;
                SafeArrayGetElement( pArray, pIndex, &bsValue );
                strName += bsValue;
                SysFreeString( bsValue );
                bsValue = NULL;

                pIndex[0] = 1;
                SafeArrayGetElement( pArray, pIndex, &bsValue );
                strPath = bsValue;
                SysFreeString( bsValue );
                bsValue = NULL;

                AddPlugin( strName, pszCLSID, strPath );
        }

        SafeArrayDestroy( pArray );

        return TRUE;
}

void CMediaVisDlg::OnDblClkPlugins(NMHDR* pNMHDR, LRESULT* pResult)
{
        PostMessage( WM_COMMAND, IDOK );
        *pResult = 0;
}

void CMediaVisDlg::OnItemChangedPlugins(NMHDR* pNMHDR, LRESULT* pResult)
{
        m_wndSetup.EnableWindow( m_wndList.GetSelectedCount() == 1 );
        *pResult = 0;
}

void CMediaVisDlg::OnSetup()
{
        int nItem = m_wndList.GetNextItem( -1, LVIS_SELECTED );
        if ( nItem < 0 ) return;

        CString strCLSID        = m_wndList.GetItemText( nItem, 1 );
        CString strPath         = m_wndList.GetItemText( nItem, 2 );

        CLSID pCLSID;
        if ( ! GUIDX::Decode( strCLSID, &pCLSID ) ) return;
        if ( ! Plugins.LookupEnable( pCLSID, TRUE ) ) return;

        IAudioVisPlugin* pPlugin = NULL;

        if ( Settings.MediaPlayer.VisCLSID == strCLSID &&
                 Settings.MediaPlayer.VisPath == strPath )
        {
                IMediaPlayer* pPlayer = ( m_pFrame != NULL ) ? m_pFrame->GetPlayer() : NULL;

                if ( pPlayer != NULL )
                {
                        pPlayer->GetPlugin( &pPlugin );

                        if ( pPlugin != NULL )
                        {
                                pPlugin->Configure();
                                pPlugin->Release();
                                return;
                        }
                }
        }

        HINSTANCE hRes = AfxGetResourceHandle();

        HRESULT hr = CoCreateInstance( pCLSID, NULL, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER,
                IID_IAudioVisPlugin, (void**)&pPlugin );

        AfxSetResourceHandle( hRes );

        if ( FAILED(hr) || pPlugin == NULL ) return;

        if ( strPath.GetLength() )
        {
                IWrappedPluginControl* pWrap = NULL;
                hr = pPlugin->QueryInterface( IID_IWrappedPluginControl, (void**)&pWrap );
                if ( SUCCEEDED(hr) && pWrap != NULL )
                {
                        BSTR bsPath = strPath.AllocSysString();
                        pWrap->Load( bsPath, 0 );
                        pWrap->Release();
                        SysFreeString( bsPath );
                }
        }

        pPlugin->Configure();
        pPlugin->Release();
}

void CMediaVisDlg::OnOK()
{
        int nItem = m_wndList.GetNextItem( -1, LVIS_SELECTED );
        CString strCLSID, strPath;

        UpdateData( TRUE );

        if ( nItem >= 0 )
        {
                strCLSID        = m_wndList.GetItemText( nItem, 1 );
                strPath         = m_wndList.GetItemText( nItem, 2 );
        }

        if ( Settings.MediaPlayer.VisCLSID != strCLSID ||
                 Settings.MediaPlayer.VisPath != strPath ||
                 Settings.MediaPlayer.VisSize != m_nSize - 1 )
        {
                Settings.MediaPlayer.VisCLSID   = strCLSID;
                Settings.MediaPlayer.VisPath    = strPath;
                Settings.MediaPlayer.VisSize    = m_nSize - 1;

                Settings.Save();
                CSkinDialog::OnOK();
        }
        else
        {
                CSkinDialog::OnCancel();
        }
}

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