324 lines
12 KiB
C
324 lines
12 KiB
C
|
//------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Microsoft Windows
|
||
|
|
// Copyright (C) Microsoft Corporation, 2001
|
||
|
|
//
|
||
|
|
// File: mbBehave.h
|
||
|
|
//
|
||
|
|
// Contents: mediaBar player behavior
|
||
|
|
//
|
||
|
|
// Classes: CMediaBehavior
|
||
|
|
//
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#ifndef _MB_BEHAVE_H_
|
||
|
|
#define _MB_BEHAVE_H_
|
||
|
|
|
||
|
|
#if _MSC_VER > 1000
|
||
|
|
#pragma once
|
||
|
|
#endif // _MSC_VER > 1000
|
||
|
|
|
||
|
|
|
||
|
|
#include "dpa.h"
|
||
|
|
#include "dspsprt.h"
|
||
|
|
|
||
|
|
class CMediaBand;
|
||
|
|
class CMediaBehavior;
|
||
|
|
|
||
|
|
|
||
|
|
interface IMediaBehaviorContentProxy : public IUnknown
|
||
|
|
{
|
||
|
|
STDMETHOD(IsDisableUIRequested)(BOOL *pfRequested) PURE;
|
||
|
|
STDMETHOD(OnUserOverrideDisableUI)(void) PURE;
|
||
|
|
STDMETHOD(IsNextEnabled)(BOOL *pfEnabled) PURE;
|
||
|
|
};
|
||
|
|
// {F4C74D34-AB35-4d67-A7CF-7845548F45A8}
|
||
|
|
DEFINE_GUID(IID_IMediaBehaviorContentProxy, 0xf4c74d34, 0xab35, 0x4d67, 0xa7, 0xcf, 0x78, 0x45, 0x54, 0x8f, 0x45, 0xa8);
|
||
|
|
|
||
|
|
/*
|
||
|
|
interface IMediaHost2 : public IMediaHost
|
||
|
|
{
|
||
|
|
virtual STDMETHOD(DetachBehavior)(void) PURE;
|
||
|
|
virtual STDMETHOD(OnDisableUIChanged)(BOOL fDisabled) PURE;
|
||
|
|
};
|
||
|
|
// {895EBF7E-ECA0-4ba8-B0F2-89DEBF70DE65}
|
||
|
|
DEFINE_GUID(IID_IMediaHost2, 0x895ebf7e, 0xeca0, 0x4ba8, 0xb0, 0xf2, 0x89, 0xde, 0xbf, 0x70, 0xde, 0x65);
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
// need an additional operator to easily assign from VARIANTs
|
||
|
|
class CComDispatchDriverEx : public CComDispatchDriver
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
IDispatch* operator=(VARIANT vt)
|
||
|
|
{
|
||
|
|
IDispatch *pThis = NULL;
|
||
|
|
ASSERT((V_VT(&vt) == VT_UNKNOWN) || (V_VT(&vt) == VT_DISPATCH));
|
||
|
|
if (V_VT(&vt) == VT_UNKNOWN)
|
||
|
|
{
|
||
|
|
pThis = (IDispatch*) AtlComQIPtrAssign((IUnknown**)&p, V_UNKNOWN(&vt), IID_IDispatch);
|
||
|
|
}
|
||
|
|
else if (V_VT(&vt) == VT_DISPATCH)
|
||
|
|
{
|
||
|
|
pThis = (IDispatch*)AtlComPtrAssign((IUnknown**)&p, V_DISPATCH(&vt));
|
||
|
|
}
|
||
|
|
|
||
|
|
// ISSUE could make more efforts to accept REF variants too
|
||
|
|
return pThis;
|
||
|
|
}
|
||
|
|
|
||
|
|
// get a property by name with a single parameter
|
||
|
|
HRESULT GetPropertyByName1(LPCOLESTR lpsz, VARIANT* pvarParam1, VARIANT* pVar)
|
||
|
|
{
|
||
|
|
DISPID dwDispID;
|
||
|
|
HRESULT hr = GetIDOfName(lpsz, &dwDispID);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
DISPPARAMS dispparams = { pvarParam1, NULL, 1, 0};
|
||
|
|
return p->Invoke(dwDispID, IID_NULL,
|
||
|
|
LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
|
||
|
|
&dispparams, pVar, NULL, NULL);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
class CWMPWrapper
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
HRESULT AttachToWMP();
|
||
|
|
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual HRESULT FetchWmpObject(IDispatch *pdispWmpPlayer, OUT VARIANT *pvtWrapperObj) = 0;
|
||
|
|
STDMETHODIMP_(ULONG) _AddRef(void)
|
||
|
|
{
|
||
|
|
_cRef++;
|
||
|
|
return _cRef;
|
||
|
|
}
|
||
|
|
STDMETHODIMP_(ULONG) _Release(void)
|
||
|
|
{
|
||
|
|
ASSERT(_cRef > 0);
|
||
|
|
_cRef--;
|
||
|
|
if (_cRef > 0) return _cRef;
|
||
|
|
delete this;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
HRESULT _getVariantProp(LPCOLESTR pwszPropName, VARIANT *pvtParam, VARIANT *pvtValue, BOOL fCallMethod = FALSE);
|
||
|
|
HRESULT _getStringProp(LPCOLESTR pwszPropName, VARIANT *pvtParam, OUT BSTR *pbstrValue, BOOL fCallMethod = FALSE);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
CWMPWrapper(CMediaBehavior* pHost);
|
||
|
|
virtual ~CWMPWrapper();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
CMediaBehavior * _pHost;
|
||
|
|
CComDispatchDriverEx _pwmpWrapper;
|
||
|
|
BOOL _fStale;
|
||
|
|
|
||
|
|
private:
|
||
|
|
ULONG _cRef;
|
||
|
|
};
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
class CMediaItem : public CWMPWrapper,
|
||
|
|
public IMediaItem,
|
||
|
|
protected CImpIDispatch
|
||
|
|
{
|
||
|
|
typedef CWMPWrapper super;
|
||
|
|
public:
|
||
|
|
// *** IUnknown ***
|
||
|
|
STDMETHOD(QueryInterface)(REFIID riid, LPVOID * ppvObj);
|
||
|
|
STDMETHODIMP_(ULONG) AddRef(void) { return _AddRef(); }
|
||
|
|
STDMETHODIMP_(ULONG) Release(void) { return _Release(); }
|
||
|
|
|
||
|
|
// *** IDispatch ***
|
||
|
|
virtual STDMETHODIMP GetTypeInfoCount(UINT * pctinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfoCount(pctinfo); }
|
||
|
|
virtual STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfo(itinfo, lcid, pptinfo); }
|
||
|
|
virtual STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID * rgdispid)
|
||
|
|
{ return CImpIDispatch::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid); }
|
||
|
|
virtual STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr)
|
||
|
|
{ return CImpIDispatch::Invoke(dispidMember, riid, lcid, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr); }
|
||
|
|
|
||
|
|
// *** IMediaItem
|
||
|
|
STDMETHOD(get_sourceURL)(BSTR *pbstrSourceURL);
|
||
|
|
STDMETHOD(get_name)(BSTR *pbstrName);
|
||
|
|
STDMETHOD(get_duration)(double * pDuration);
|
||
|
|
STDMETHOD(get_attributeCount)(long *plCount);
|
||
|
|
STDMETHOD(getAttributeName)(long lIndex, BSTR *pbstrItemName);
|
||
|
|
STDMETHOD(getItemInfo)(BSTR bstrItemName, BSTR *pbstrVal);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual HRESULT FetchWmpObject(IDispatch *pdispWmpPlayer, OUT VARIANT *pvtWrapperObj);
|
||
|
|
friend CMediaItem* CMediaItem_CreateInstance(CMediaBehavior* pHost);
|
||
|
|
|
||
|
|
CMediaItem(CMediaBehavior* pHost);
|
||
|
|
virtual ~CMediaItem();
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
private:
|
||
|
|
};
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
class CMediaItemNext : public CMediaItem
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
protected:
|
||
|
|
virtual HRESULT FetchWmpObject(IDispatch *pdispWmpPlayer, OUT VARIANT *pvtWrapperObj);
|
||
|
|
friend CMediaItemNext* CMediaItemNext_CreateInstance(CMediaBehavior* pHost);
|
||
|
|
|
||
|
|
CMediaItemNext(CMediaBehavior* pHost);
|
||
|
|
virtual ~CMediaItemNext();
|
||
|
|
|
||
|
|
private:
|
||
|
|
};
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
class CPlaylistInfo : public CWMPWrapper,
|
||
|
|
public IPlaylistInfo,
|
||
|
|
protected CImpIDispatch
|
||
|
|
{
|
||
|
|
typedef CWMPWrapper super;
|
||
|
|
public:
|
||
|
|
// *** IUnknown ***
|
||
|
|
STDMETHOD(QueryInterface)(REFIID riid, LPVOID * ppvObj);
|
||
|
|
STDMETHODIMP_(ULONG) AddRef(void) { return _AddRef(); }
|
||
|
|
STDMETHODIMP_(ULONG) Release(void) { return _Release(); }
|
||
|
|
|
||
|
|
// *** IDispatch ***
|
||
|
|
virtual STDMETHODIMP GetTypeInfoCount(UINT * pctinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfoCount(pctinfo); }
|
||
|
|
virtual STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfo(itinfo, lcid, pptinfo); }
|
||
|
|
virtual STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID * rgdispid)
|
||
|
|
{ return CImpIDispatch::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid); }
|
||
|
|
virtual STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr)
|
||
|
|
{ return CImpIDispatch::Invoke(dispidMember, riid, lcid, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr); }
|
||
|
|
|
||
|
|
// *** IPlaylistInfo
|
||
|
|
STDMETHOD(get_name)(BSTR *pbstrName);
|
||
|
|
STDMETHOD(get_attributeCount)(long *plCount);
|
||
|
|
STDMETHOD(getAttributeName)(long lIndex, BSTR *pbstrItemName);
|
||
|
|
STDMETHOD(getItemInfo)(BSTR bstrItemName, BSTR *pbstrVal);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual HRESULT FetchWmpObject(IDispatch *pdispWmpPlayer, OUT VARIANT *pvtWrapperObj);
|
||
|
|
friend CPlaylistInfo* CPlaylistInfo_CreateInstance(CMediaBehavior* pHost);
|
||
|
|
|
||
|
|
CPlaylistInfo(CMediaBehavior* pHost);
|
||
|
|
private:
|
||
|
|
virtual ~CPlaylistInfo();
|
||
|
|
|
||
|
|
private:
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
class CMediaBehavior : public IMediaBehavior,
|
||
|
|
public IElementBehavior,
|
||
|
|
public IContentProxy,
|
||
|
|
public IMediaBehaviorContentProxy,
|
||
|
|
protected CImpIDispatch
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// *** IUnknown ***
|
||
|
|
STDMETHOD(QueryInterface)(REFIID riid, LPVOID * ppvObj);
|
||
|
|
STDMETHODIMP_(ULONG) AddRef(void)
|
||
|
|
{
|
||
|
|
_cRef++;
|
||
|
|
return _cRef;
|
||
|
|
}
|
||
|
|
STDMETHODIMP_(ULONG) Release(void)
|
||
|
|
{
|
||
|
|
ASSERT(_cRef > 0);
|
||
|
|
_cRef--;
|
||
|
|
if (_cRef > 0) return _cRef;
|
||
|
|
delete this;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// *** IDispatch ***
|
||
|
|
virtual STDMETHODIMP GetTypeInfoCount(UINT * pctinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfoCount(pctinfo); }
|
||
|
|
virtual STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
|
||
|
|
{ return CImpIDispatch::GetTypeInfo(itinfo, lcid, pptinfo); }
|
||
|
|
virtual STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID * rgdispid)
|
||
|
|
{ return CImpIDispatch::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid); }
|
||
|
|
virtual STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr);
|
||
|
|
|
||
|
|
// *** IElementBehavior ***
|
||
|
|
STDMETHOD(Detach)(void);
|
||
|
|
STDMETHOD(Init)(IElementBehaviorSite* pBehaviorSite);
|
||
|
|
STDMETHOD(Notify)(LONG lEvent, VARIANT* pVar);
|
||
|
|
|
||
|
|
// *** IMediaBehavior ***
|
||
|
|
STDMETHOD(playURL)(BSTR bstrURL, BSTR bstrMIME);
|
||
|
|
STDMETHOD(stop)();
|
||
|
|
STDMETHOD(playNext)();
|
||
|
|
|
||
|
|
STDMETHOD(get_currentItem)(IMediaItem **ppMediaItem);
|
||
|
|
STDMETHOD(get_nextItem)(IMediaItem **ppMediaItem);
|
||
|
|
STDMETHOD(get_playlistInfo)(IPlaylistInfo **ppPlaylistInfo);
|
||
|
|
|
||
|
|
STDMETHOD(get_hasNextItem)(VARIANT_BOOL *pfhasNext);
|
||
|
|
STDMETHOD(get_playState)(mbPlayState *pps);
|
||
|
|
STDMETHOD(get_openState)(mbOpenState *pos);
|
||
|
|
STDMETHOD(get_enabled)(VARIANT_BOOL *pbEnabled);
|
||
|
|
STDMETHOD(put_enabled)(VARIANT_BOOL bEnabled);
|
||
|
|
STDMETHOD(get_disabledUI)(VARIANT_BOOL *pbDisabled);
|
||
|
|
STDMETHOD(put_disabledUI)(VARIANT_BOOL bDisable);
|
||
|
|
|
||
|
|
// *** IContentProxy **
|
||
|
|
STDMETHOD(fireEvent)(enum contentProxyEvent event);
|
||
|
|
STDMETHOD(OnCreatedPlayer)(void);
|
||
|
|
STDMETHOD(detachPlayer)(void);
|
||
|
|
|
||
|
|
// *** IMediaBehaviorContentProxy **
|
||
|
|
STDMETHOD(IsDisableUIRequested)(BOOL *pfRequested);
|
||
|
|
STDMETHOD(OnUserOverrideDisableUI)(void);
|
||
|
|
STDMETHOD(IsNextEnabled)(BOOL *pfEnabled);
|
||
|
|
|
||
|
|
HRESULT getWMP(IDispatch **ppPlayer);
|
||
|
|
HRESULT getPlayListIndex(LONG *plIndex, LONG *plCount);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
friend CMediaBehavior* CMediaBehavior_CreateInstance(CMediaBand* pHost);
|
||
|
|
|
||
|
|
CMediaBehavior(CMediaBand* pHost);
|
||
|
|
private:
|
||
|
|
virtual ~CMediaBehavior();
|
||
|
|
|
||
|
|
private:
|
||
|
|
HRESULT _ConnectToWmpEvents(BOOL fConnect);
|
||
|
|
BOOL _ProcessEvent(DISPID dispid, long lCount, VARIANT varParams[]);
|
||
|
|
|
||
|
|
private:
|
||
|
|
ULONG _cRef;
|
||
|
|
CMediaBand * _pHost;
|
||
|
|
CComPtr<IElementBehaviorSite> _pBehaviorSite;
|
||
|
|
CComPtr<IElementBehaviorSiteOM> _pBehaviorSiteOM;
|
||
|
|
DWORD _dwcpCookie;
|
||
|
|
BOOL _fDisabledUI;
|
||
|
|
CDPA<CMediaItem> _apMediaItems;
|
||
|
|
BOOL _fPlaying;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _MB_BEHAVE_H_
|