chxclientcontext.cpp

linux下的一款播放器

		char* pURLWithQuery = new char[ origURLLength + kQueryStringMaxLength + 1 ];
		if ( pURLWithQuery )
		{
			strcpy( pURLWithQuery, pURL );
			INT32 copyIndex = origURLLength;
			char concatChar = ( !strstr( pURLWithQuery, "?" ) ) ? '?' : '&';
			sprintf( &pURLWithQuery[ copyIndex ], "%c%s%s", concatChar, "rptarget=", kContextPaneTarget );
			copyIndex += strlen( &pURLWithQuery[ copyIndex ] );
			if ( pParams )
			{
				if ( SUCCEEDED( pParams->GetPropertyCString( "width", *spBuffer.AsInOutParam() ) ) )
				{
					sprintf( &pURLWithQuery[ copyIndex ], "&%s%s", "rpcontextwidth=", ( const char* ) spBuffer->GetBuffer() );
					copyIndex += strlen( &pURLWithQuery[ copyIndex ] );
				}
				if ( SUCCEEDED( pParams->GetPropertyCString( "height", *spBuffer.AsInOutParam() ) ) )
				{
					sprintf( &pURLWithQuery[ copyIndex ], "&%s%s", "rpcontextheight=", ( const char* ) spBuffer->GetBuffer() );
					copyIndex += strlen( &pURLWithQuery[ copyIndex ] );
				}
			}
			pURLWithQuery[ copyIndex ] = '\0';
			bool handled = CallGoToURLCallback( pURLWithQuery, NULL );
			delete [] pURLWithQuery;
			return handled ? HXR_OK : HXR_NOTIMPL;
		}
	}
	bool handled = CallGoToURLCallback( pURL, pTargetInstance );
	return handled ? HXR_OK : HXR_NOTIMPL;
}

STDMETHODIMP
CHXClientContext::ExecuteWithContext( const char* pURL,
									  const char* pTargetInstance,
									  const char* pTargetApplication,
									  const char* pTargetRegion,
									  IHXValues*  pParams,
									  IUnknown*   pContext )
{
	return Execute( pURL, pTargetInstance, pTargetApplication, pTargetRegion, pParams );
}

/* STDMETHODIMP
CHXClientContext::OnNewRequest( IHXRequest* pNewRequest )
{
	if ( !pNewRequest ) return HXR_INVALID_PARAMETER;
	
	const char* pURL = NULL;
	pNewRequest->GetURL( pURL );
	
	return HXR_OK;
} */

STDMETHODIMP
CHXClientContext::RequestUpgrade( IHXUpgradeCollection* pComponents, HXBOOL bBlocking )
{
	m_hasRequestedUpgrade = true;
	
	if ( !pComponents ) return HXR_INVALID_PARAMETER;
	if ( !m_pClientCallbacks->RequestUpgrade ) return HXR_FAIL;

	UINT32 numOfComponents = pComponents->GetCount();
	if ( numOfComponents <= 0 ) return HXR_INVALID_PARAMETER;
	
	char** componentNames = new char*[ numOfComponents ];
	if ( !componentNames ) return HXR_OUTOFMEMORY;
	
	HX_RESULT outResult = HXR_CANCELLED;
	
	char* pURL = NULL;
	SPIHXPlayer spIPlayer;
	m_pClientPlayer->GetHXPlayer( spIPlayer.AsInOutParam() );
	UINT16 sourceCount = spIPlayer.IsValid() ? spIPlayer->GetSourceCount() : 0;
	if ( sourceCount > 0 )
	{
		// Get the last source's URL. This avoids getting the .ram URL when the first URL in the .ram triggers the Upgrade request.
		SPIUnknown spUnkSource;
		spIPlayer->GetSource( ( sourceCount - 1 ), *spUnkSource.AsInOutParam() );
		SPIHXStreamSource spStreamSource = spUnkSource.Ptr();
		if ( spStreamSource.IsValid() )
		{
			const char* pURLToCopy = spStreamSource->GetURL();
			
			// Does this URL have a valid protocol? SDP files, for example, return "helix-sdp:<file contents>" in GetURL().
			const char* pProtocolDelims = NULL;
			if ( ( NULL != ( pProtocolDelims = strstr( pURLToCopy, "://" ) ) ) &&
				 ( ( pProtocolDelims - pURLToCopy ) <= 5 ) ) // Maximum protocol length based on "https://"
			{
				pURL = new char[ strlen( pURLToCopy ) + 1 ];
				if ( pURL )
				{
					strcpy( pURL, pURLToCopy );
				}
			}
		}
	}
	if ( !pURL )
	{
		SPIHXPlayer2 spIPlayer2 = spIPlayer.Ptr();
		if ( spIPlayer2.IsValid() )
		{
			SPIHXRequest spIRequest;
			if ( SUCCEEDED( spIPlayer2->GetRequest( *spIRequest.AsInOutParam() ) ) && spIRequest.IsValid() )
			{
				const char* pURLToCopy = NULL;
				if ( SUCCEEDED( spIRequest->GetURL( pURLToCopy ) ) && pURLToCopy && *pURLToCopy )
				{
					pURL = new char[ strlen( pURLToCopy ) + 1 ];
					if ( pURL )
					{
						strcpy( pURL, pURLToCopy );
					}
				}
			}
		}
	}
	// XXXSEH: Do we need to add in StripOffPrefixes() support as found in upgrdlib/cupgradelogicshell.cpp?
	HXUpgradeType upgradeType;
	UINT32 majorVersion, minorVersion;
	UINT32 index;
	UINT32 numOfComponentsToUpgrade = 0;	
	for ( index = 0; index < numOfComponents; ++index )
	{
		SPIHXBuffer spPluginId = new CHXClientBuffer;
		pComponents->GetAt( index, upgradeType, spPluginId.Ptr(), majorVersion, minorVersion );
		UINT32 sizeOfComponentName = spPluginId->GetSize();
		if ( ( sizeOfComponentName > 0 ) && ( NULL != spPluginId->GetBuffer() ) )
		{
			componentNames[ index ] = new char[ sizeOfComponentName ];
			if ( !componentNames[ index ] )
			{
				// outResult = HXR_OUTOFMEMORY; XXXSEH: Don't know that we need to pass this info. on?
				goto bail;
			}
			memcpy( componentNames[ index ], spPluginId->GetBuffer(), sizeOfComponentName );
			++numOfComponentsToUpgrade;
		}
	}
	if ( ( numOfComponentsToUpgrade > 0 ) &&
		 m_pClientCallbacks->RequestUpgrade( m_UserInfo, pURL, numOfComponentsToUpgrade, ( const char** ) componentNames, ( ( 0 != bBlocking ) ? true : false ) ) )
	{
		outResult = HXR_OK;
	}
	
bail:

	delete [] pURL;
	
	for ( index = 0; index < numOfComponentsToUpgrade; ++index )
	{
		delete [] componentNames[ index ];
	}
	delete [] componentNames;
	
	return outResult;
}

STDMETHODIMP
CHXClientContext::HasComponents( IHXUpgradeCollection* pComponents )
{
	if ( !pComponents ) return HXR_INVALID_PARAMETER;
	if ( !m_pClientCallbacks->HasComponent ) return HXR_FAIL;

	UINT32 numOfComponents = pComponents->GetCount();
	if ( numOfComponents <= 0 ) return HXR_INVALID_PARAMETER;
	
	HXUpgradeType upgradeType;
	UINT32 majorVersion, minorVersion;
	UINT32 index = numOfComponents;
	do
	{
		--index;
		
		SPIHXBuffer spPluginId = new CHXClientBuffer;
		pComponents->GetAt( index, upgradeType, spPluginId.Ptr(), majorVersion, minorVersion );
		if ( ( NULL == spPluginId->GetBuffer() ) ||
			 m_pClientCallbacks->HasComponent( m_UserInfo, ( const char* ) spPluginId->GetBuffer() ) )
		{
			pComponents->Remove( index );
		}
	}
	while( index > 0 );
	
	numOfComponents = pComponents->GetCount();
	return ( numOfComponents > 0 ) ? HXR_FAIL : HXR_OK;
}

STDMETHODIMP
CHXClientContext::SetStatus( const char* pText )
{
	if ( m_pClientCallbacks->OnStatusChanged )
	{
		m_pClientCallbacks->OnStatusChanged( m_UserInfo, pText );
	}
	return HXR_OK; // What does the return value mean?
}

STDMETHODIMP
CHXClientContext::HandleAuthenticationRequest( IHXAuthenticationManagerResponse* pResponse )
{
	return HandleAuthenticationRequest2( pResponse, NULL );
}

STDMETHODIMP
CHXClientContext::HandleAuthenticationRequest2( IHXAuthenticationManagerResponse* pResponse, IHXValues* pHeader )
{
	if ( !pResponse ) return HXR_INVALID_PARAMETER;
	if ( !m_pClientCallbacks->RequestAuthentication ) return pResponse->AuthenticationRequestDone( HXR_NOT_AUTHORIZED, NULL, NULL );
	
	bool isProxyServer = false;
	SPIHXBuffer spServer, spRealm;
	if ( pHeader )
	{
		SPIHXBuffer spBuffer;
		isProxyServer = ( FAILED( pHeader->GetPropertyCString( SERVER_AUTHENTICATE_HEADER, *spBuffer.AsInOutParam() ) ) &&
						  SUCCEEDED( pHeader->GetPropertyCString( PROXY_AUTHENTICATE_HEADER, *spBuffer.AsInOutParam() ) ) );
		
		( void ) pHeader->GetPropertyCString( SERVER_HEADER, *spServer.AsInOutParam() );
		( void ) pHeader->GetPropertyCString( REALM_HEADER, *spRealm.AsInOutParam() );
	}
	const char* pServer = spServer.IsValid() ? ( char* ) spServer->GetBuffer() : NULL;
	const char* pRealm  = spRealm.IsValid()  ? ( char* ) spRealm->GetBuffer()  : NULL;
	
	m_spPendingAuthManagerResponse = pResponse;
	if ( m_pClientCallbacks->RequestAuthentication( m_UserInfo, pServer, pRealm, isProxyServer ) )
	{
		return HXR_OK;
	}
	else
	{
		m_spPendingAuthManagerResponse.Clear();
		return pResponse->AuthenticationRequestDone( HXR_NOT_AUTHORIZED, NULL, NULL );
	}
}

HX_RESULT
CHXClientContext::Authenticate( bool shouldValidateUser, const char* pUsername, const char* pPassword )
{
	if ( !m_spPendingAuthManagerResponse.IsValid() ) return HXR_UNEXPECTED;
	
	SPIHXAuthenticationManagerResponse spResponse = m_spPendingAuthManagerResponse.Ptr();
	m_spPendingAuthManagerResponse.Clear();
	
	return shouldValidateUser ?
		   spResponse->AuthenticationRequestDone( HXR_OK, pUsername, pPassword ) :
		   spResponse->AuthenticationRequestDone( HXR_NOT_AUTHORIZED, NULL, NULL );
}