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path: root/extensions/source/activex/main/SODispatchInterceptor.cpp
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// SODispatchInterceptor.cpp : Implementation of CHelpApp and DLL registration.

#include "stdio.h"
#include "stdafx2.h"
#include "so_activex.h"
#include "SOActiveX.h"
#include "SODispatchInterceptor.h"
#include "com_uno_helper.h"

/////////////////////////////////////////////////////////////////////////////
//

STDMETHODIMP SODispatchInterceptor::InterfaceSupportsErrorInfo(REFIID riid)
{
    static const IID* arr[] =
    {
        &IID_ISODispatchInterceptor,
    };

    for (int i=0;i<sizeof(arr)/sizeof(arr[0]);i++)
    {
        if (::ATL::InlineIsEqualGUID(*arr[i],riid))
            return S_OK;
    }
    return S_FALSE;
}

STDMETHODIMP SODispatchInterceptor::queryDispatch( IDispatch FAR* aURL,
                                                   BSTR aTargetFrameName,
                                                   long nSearchFlags,
                                                   IDispatch FAR* FAR* retVal )
{
    if ( !aURL || !retVal ) return E_FAIL;

    CComVariant aTargetUrl;
    OLECHAR* sURLMemberName = L"Complete";
    DISPID nURLID;
    HRESULT hr = aURL->GetIDsOfNames( IID_NULL, &sURLMemberName, 1, LOCALE_USER_DEFAULT, &nURLID );
    if( !SUCCEEDED( hr ) ) return hr;

    hr = CComDispatchDriver::GetProperty( aURL, nURLID, &aTargetUrl );
    if( !SUCCEEDED( hr ) ) return hr;

    if( aTargetUrl.vt != VT_BSTR  ) return E_FAIL;

    USES_CONVERSION;
    if( !strncmp( OLE2T( aTargetUrl.bstrVal ), "ftp://", 6 )
     || !strncmp( OLE2T( aTargetUrl.bstrVal ), "http://", 7 )
     || !strncmp( OLE2T( aTargetUrl.bstrVal ), "file://", 7 ) )
    {
        CComQIPtr< IDispatch, &IID_IDispatch > pIDisp( this );
        if( pIDisp )
        {
            this->AddRef();
            *retVal = pIDisp;
        }
    }
    else
    {
        if( !m_xSlave )
            return E_FAIL;

        CComVariant aResult;
        CComVariant aArgs[3];
        aArgs[0] = CComVariant( nSearchFlags );
        aArgs[1] = CComVariant( aTargetFrameName );
        aArgs[2] = CComVariant( aURL );

        hr = ExecuteFunc( m_xSlave, L"queryDispatch", aArgs, 3, &aResult );
        if( !SUCCEEDED( hr ) || aResult.vt != VT_DISPATCH || aResult.pdispVal == NULL ) return E_FAIL;

        *retVal = aResult.pdispVal;
        /* following code is workaround for UNO bug
        CComQIPtr< IUnknown, &IID_IUnknown > pIUnk( *retVal );
        if( pIUnk )
            (*retVal)->AddRef();
        */
    }

    return S_OK;
}

STDMETHODIMP SODispatchInterceptor::queryDispatches( SAFEARRAY FAR* aDescripts, SAFEARRAY FAR* FAR* retVal)
{
    if ( !aDescripts || !retVal || SafeArrayGetDim( aDescripts ) != 1 )
        return E_FAIL;

    long nLB, nUB;

    HRESULT hr = SafeArrayGetLBound( aDescripts, 1, &nLB );
    if( !SUCCEEDED( hr ) ) return hr;

    hr = SafeArrayGetUBound( aDescripts, 1, &nUB );
    if( !SUCCEEDED( hr ) ) return hr;
    if( nUB <= nLB ) return E_FAIL;

    *retVal = SafeArrayCreateVector( VT_DISPATCH, 0, nUB - nLB );

    for ( long ind = nLB; ind < nUB; ind ++ )
    {
        CComPtr<IDispatch> pElem;
        SafeArrayGetElement( aDescripts, &ind, pElem );
        if( pElem )
        {
            OLECHAR* pMemberNames[3] = { L"FeatureURL", L"FrameName", L"SearchFlags" };
            CComVariant pValues[3];
            hr = GetPropertiesFromIDisp( pElem, pMemberNames, pValues, 3 );
            if( !SUCCEEDED( hr ) ) return hr;
            if( pValues[0].vt != VT_DISPATCH || pValues[0].pdispVal == NULL
             || pValues[1].vt != VT_BSTR || pValues[2].vt != VT_I4 )
                return E_FAIL;

            CComPtr<IDispatch> aRes;
            hr = queryDispatch( pValues[0].pdispVal, pValues[1].bstrVal, pValues[2].lVal, &aRes );
            SafeArrayPutElement( *retVal, &ind, aRes );
        }
    }

    return S_OK;
}


STDMETHODIMP SODispatchInterceptor::dispatch( IDispatch FAR* aURL, SAFEARRAY FAR* aArgs)
{
    // get url from aURL
    OLECHAR* pUrlName = L"Complete";
    CComVariant pValue;
    HRESULT hr = GetPropertiesFromIDisp( aURL, &pUrlName, &pValue, 1 );
    if( !SUCCEEDED( hr ) ) return hr;
    if( pValue.vt != VT_BSTR || pValue.bstrVal == NULL )
        return E_FAIL;

    EnterCriticalSection( &mMutex );
    if( m_xParentControl )
    {
        // call GetUrl to the browser instance
        m_xParentControl->GetURL( pValue.bstrVal, L"_blank" );
    }
    LeaveCriticalSection( &mMutex );

    return S_OK;
}

STDMETHODIMP SODispatchInterceptor::addStatusListener( IDispatch FAR* xControl, IDispatch FAR* aURL)
{
    // not implemented
    return S_OK;
}

STDMETHODIMP SODispatchInterceptor::removeStatusListener( IDispatch FAR* xControl, IDispatch FAR* aURL)
{
    // not implemented
    return S_OK;
}

STDMETHODIMP SODispatchInterceptor::getInterceptedURLs( SAFEARRAY FAR* FAR* pVal )
{
    *pVal = SafeArrayCreateVector( VT_BSTR, 0, 3 );

    if( !*pVal )
        return E_FAIL;

    long ix = 0;
    CComBSTR aPattern( OLESTR( "ftp://*" ) );
    SafeArrayPutElement( *pVal, &ix, aPattern );

    ix = 1;
    aPattern = CComBSTR( OLESTR( "http://*" ) );
    SafeArrayPutElement( *pVal, &ix, aPattern );

    ix = 2;
    aPattern = CComBSTR( OLESTR( "file://*" ) );
    SafeArrayPutElement( *pVal, &ix, aPattern );

    return S_OK;
}