STDMETHODIMP DWebBrowserEventsImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult,
EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
switch (dispIdMember)
{
/////////////////////////////////////////////////////////
// The parameters for this DISPID are as follows:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
// [1]: IDispatch* - Pointer to an IDispatch interface.
// You can set this parameter to the IDispatch of
// a WebBrowser Control that you've created. When
// you pass back an IDispatch like this, MSHTML will
// use the control you've given it to open the link.
//
case DISPID_NEWWINDOW2:
{
NewWindow2(pDispParams->rgvarg[1].ppdispVal, pDispParams->rgvarg[0].pboolVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID are as follows:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
// [1]: HTTP headers - VT_BYREF|VT_VARIANT
// [2]: Address of HTTP POST data - VT_BYREF|VT_VARIANT
// [3]: Target frame name - VT_BYREF|VT_VARIANT
// [4]: Option flags - VT_BYREF|VT_VARIANT
// [5]: URL to navigate to - VT_BYREF|VT_VARIANT
// [6]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
// User clicked a link or launched the browser.
//
case DISPID_BEFORENAVIGATE2:
{
BeforeNavigate2(pDispParams->rgvarg[6].pdispVal, pDispParams->rgvarg[5].pvarVal, pDispParams->rgvarg[4].pvarVal,
pDispParams->rgvarg[3].pvarVal, pDispParams->rgvarg[2].pvarVal, pDispParams->rgvarg[1].pvarVal, pDispParams->rgvarg[0].pboolVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: URL navigated to - VT_BYREF|VT_VARIANT
// [1]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
// Fires after a navigation to a link is completed on either
// a window or frameSet element.
//
case DISPID_NAVIGATECOMPLETE2:
{
NavigateComplete2(pDispParams->rgvarg[1].pdispVal, pDispParams->rgvarg[0].pvarVal);
// Check if m_lpDocCompleteDisp is NULL. If NULL, that means it is
// the top level NavigateComplete2. Save the LPDISPATCH
if (!m_lpDocCompleteDisp)
{
VARIANTARG varDisp = pDispParams->rgvarg[1];
m_lpDocCompleteDisp = varDisp.pdispVal;
}
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: New status bar text - VT_BSTR
//
case DISPID_STATUSTEXTCHANGE:
{
StatusTextChange(pDispParams->rgvarg[0].bstrVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Maximum progress - VT_I4
// [1]: Amount of total progress - VT_I4
//
case DISPID_PROGRESSCHANGE:
{
ProgressChange(pDispParams->rgvarg[1].intVal, pDispParams->rgvarg[0].intVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: URL navigated to - VT_BYREF|VT_VARIANT
// [1]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
// Fires when a document has been completely loaded and initialized.
// Unreliable -- currently, the DWebBrowserEvents2::DocumentComplete
// does not fire when the IWebBrowser2::Visible property of the
// WebBrowser Control is set to false (see Q259935). Also, multiple
// DISPID_DOCUMENTCOMPLETE events can be fired before the final
// READYSTATE_COMPLETE (see Q180366).
//
case DISPID_DOCUMENTCOMPLETE:
{
DocumentComplete(pDispParams->rgvarg[1].pdispVal, pDispParams->rgvarg[0].pvarVal);
VARIANTARG varDisp = pDispParams->rgvarg[1];
if (m_lpDocCompleteDisp && m_lpDocCompleteDisp == varDisp.pdispVal)
{
// if the LPDISPATCH are same, that means
// it is the final DocumentComplete. Reset m_lpDocCompleteDisp
m_lpDocCompleteDisp = NULL;
// Handle new doc.
DocumentReallyComplete(pDispParams->rgvarg[1].pdispVal, pDispParams->rgvarg[0].pvarVal);
}
}
break;
///////////////////////////////////////////////////////////
// No parameters
//
// Fires when a navigation operation is beginning.
//
case DISPID_DOWNLOADBEGIN:
DownloadBegin();
break;
///////////////////////////////////////////////////////////
// No parameters
//
// Fires when a navigation operation finishes, is halted, or fails.
//
case DISPID_DOWNLOADCOMPLETE:
DownloadComplete();
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Enabled state - VT_BOOL
// [1]: Command identifier - VT_I4
//
case DISPID_COMMANDSTATECHANGE:
{
CommandStateChange(pDispParams->rgvarg[1].intVal, pDispParams->rgvarg[0].boolVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Document title - VT_BSTR
// [1]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
case DISPID_TITLECHANGE:
{
TitleChange(pDispParams->rgvarg[0].bstrVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Name of property that changed - VT_BSTR
//
case DISPID_PROPERTYCHANGE:
{
PropertyChange(pDispParams->rgvarg[0].bstrVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
// [1]: Child Window (created from script) - VT_BOOL
//
//
case DISPID_WINDOWCLOSING:
{
WindowClosing(pDispParams->rgvarg[1].boolVal, pDispParams->rgvarg[0].pboolVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
//
//
case DISPID_FILEDOWNLOAD:
{
FileDownload(pDispParams->rgvarg[0].pboolVal);
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID are as follows:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
// [1]: Error status code - VT_BYREF|VT_VARIANT
// [2]: Target frame name - VT_BYREF|VT_VARIANT
// [3]: URL where navigate failed - VT_BYREF|VT_VARIANT
// [4]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
//
case DISPID_NAVIGATEERROR:
{
NavigateError(pDispParams->rgvarg[4].pdispVal, pDispParams->rgvarg[3].pvarVal,
pDispParams->rgvarg[2].pvarVal, pDispParams->rgvarg[1].pvarVal, pDispParams->rgvarg[0].pboolVal);
m_lpDocCompleteDisp = NULL;
}
break;
///////////////////////////////////////////////////////////
// The parameters for this DISPID:
// [0]: Visible - VT_BOOL
//
case DISPID_ONVISIBLE:
{
OnVisible(pDispParams->rgvarg[0].boolVal);
}
break;
///////////////////////////////////////////////////////////
// No parameters
//
// The BHO docs in MSDN say to use DISPID_QUIT, but this is an error.
// The BHO never gets a DISPID_QUIT and thus the browser connection
// never gets unadvised and so the BHO never gets the FinalRelease().
// This is bad. So use DISPID_ONQUIT instead and everything is cool --
// EXCEPT when you exit the browser when viewing a page that launches
// a popup in the onunload event! In that case the BHO is already
// unadvised so it does not intercept the popup. So the trick is to
// navigate to a known page (I used the about:blank page) that does
// not have a popup in the onunload event before unadvising.
//
case DISPID_ONQUIT:
OnQuit();
break;
default:
{
}
break;
}
return NOERROR;
}
STDMETHODIMP CWebBrowserUI::Invoke( DISPID dispIdMember, REFIID riid, LCID lcid,WORD wFlags, DISPPARAMS* pDispParams,VARIANT* pVarResult, EXCEPINFO* pExcepInfo,UINT* puArgErr )
{
if ((riid != IID_NULL))
return E_INVALIDARG;
switch(dispIdMember)
{
case DISPID_BEFORENAVIGATE2:
BeforeNavigate2(
pDispParams->rgvarg[6].pdispVal,
pDispParams->rgvarg[5].pvarVal,
pDispParams->rgvarg[4].pvarVal,
pDispParams->rgvarg[3].pvarVal,
pDispParams->rgvarg[2].pvarVal,
pDispParams->rgvarg[1].pvarVal,
pDispParams->rgvarg[0].pboolVal);
break;
case DISPID_COMMANDSTATECHANGE:
CommandStateChange(
pDispParams->rgvarg[1].lVal,
pDispParams->rgvarg[0].boolVal);
break;
case DISPID_NAVIGATECOMPLETE2:
NavigateComplete2(
pDispParams->rgvarg[1].pdispVal,
pDispParams->rgvarg[0].pvarVal);
break;
case DISPID_NAVIGATEERROR:
NavigateError(
pDispParams->rgvarg[4].pdispVal,
pDispParams->rgvarg[3].pvarVal,
pDispParams->rgvarg[2].pvarVal,
pDispParams->rgvarg[1].pvarVal,
pDispParams->rgvarg[0].pboolVal);
break;
case DISPID_STATUSTEXTCHANGE:
break;
// case DISPID_NEWWINDOW2:
// break;
case DISPID_NEWWINDOW3:
NewWindow3(
pDispParams->rgvarg[4].ppdispVal,
pDispParams->rgvarg[3].pboolVal,
pDispParams->rgvarg[2].uintVal,
pDispParams->rgvarg[1].bstrVal,
pDispParams->rgvarg[0].bstrVal);
break;
case DISPID_TITLECHANGE:
{
TitleChange(pDispParams->rgvarg[0].bstrVal);
break;
}
case DISPID_DOCUMENTCOMPLETE:
{
DocumentComplete(
pDispParams->rgvarg[1].pdispVal,
pDispParams->rgvarg[0].pvarVal);
break;
}
default:
return DISP_E_MEMBERNOTFOUND;
}
return S_OK;
}