windows-nt/Source/XPSP1/NT/shell/ext/taskui/htmlcontrol.h

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2020-09-26 03:20:57 -05:00
// TaskUI_HTMLControl.h : Declaration of the CTaskUI_HTMLControl
#ifndef __TASKUI_HTMLCONTROL_H_
#define __TASKUI_HTMLCONTROL_H_
#include "resource.h" // main symbols
/////////////////////////////////////////////////////////////////////////////
// CTaskUI_HTMLControl
class ATL_NO_VTABLE CTaskUI_HTMLControl :
public CComObjectRootEx<CComSingleThreadModel>,
public IDispatchImpl<ITaskUI_HTMLControl, &IID_ITaskUI_HTMLControl, &LIBID_TASKUILib>,
public CComControl<CTaskUI_HTMLControl>,
public IOleControlImpl<CTaskUI_HTMLControl>,
public IOleObjectImpl<CTaskUI_HTMLControl>,
public IOleInPlaceActiveObjectImpl<CTaskUI_HTMLControl>,
public IViewObjectExImpl<CTaskUI_HTMLControl>,
public IOleInPlaceObjectWindowlessImpl<CTaskUI_HTMLControl>,
public CComCoClass<CTaskUI_HTMLControl, &CLSID_TaskUI_HTMLControl>
{
public:
CTaskUI_HTMLControl() : m_strURL(NULL)
{
m_bWindowOnly = TRUE;
CWndClassInfo& wci = GetWndClassInfo();
if (!wci.m_atom)
{
// Modify wndclass here if necessary
wci.m_wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
}
}
DECLARE_REGISTRY_RESOURCEID(IDR_TASKUI_HTMLCONTROL)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CTaskUI_HTMLControl)
COM_INTERFACE_ENTRY(ITaskUI_HTMLControl)
COM_INTERFACE_ENTRY2(IDispatch, ITaskUI_HTMLControl)
COM_INTERFACE_ENTRY(IViewObjectEx)
COM_INTERFACE_ENTRY(IViewObject2)
COM_INTERFACE_ENTRY(IViewObject)
COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceObject)
COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
COM_INTERFACE_ENTRY(IOleControl)
COM_INTERFACE_ENTRY(IOleObject)
END_COM_MAP()
BEGIN_PROP_MAP(CTaskUI_HTMLControl)
//PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
//PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
// Example entries
// PROP_ENTRY("Property Description", dispid, clsid)
// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()
BEGIN_MSG_MAP(CTaskUI_HTMLControl)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
CHAIN_MSG_MAP(CComControl<CTaskUI_HTMLControl>)
END_MSG_MAP()
// Handler prototypes:
// LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
// LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
// IViewObjectEx
DECLARE_VIEW_STATUS(0)
// ITaskUI_HTMLControl
public:
STDMETHOD(Initialize)(/*[in]*/ BSTR strURL, /*[in, optional]*/ IDispatch* pExternalDispatch)
{
m_strURL = strURL;
m_spExternalDispatch = pExternalDispatch;
return S_OK;
}
// IOleObject overrides
STDMETHOD(GetExtent)(DWORD /*dwDrawAspect*/, SIZEL *psizel)
{
if (psizel == NULL)
return E_POINTER;
psizel->cx = MAXLONG;
psizel->cy = MAXLONG;
return S_OK;
}
// Message handlers
LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
if (m_strURL)
{
CAxWindow wnd(m_hWnd);
HRESULT hr = wnd.CreateControl(m_strURL);
if (SUCCEEDED(hr) && m_spExternalDispatch)
hr = wnd.SetExternalDispatch(m_spExternalDispatch);
return SUCCEEDED(hr) ? 0 : -1;
}
return -1;
}
private:
CComBSTR m_strURL;
CComPtr<IDispatch> m_spExternalDispatch;
};
#endif //__TASKUI_HTMLCONTROL_H_