Sweden-Number/dlls/shdocvw/oleobject.c

/*
 * Implementation of IOleObject interfaces for WebBrowser control
 *
 * - IOleObject
 * - IOleInPlaceObject
 * - IOleControl
 *
 * Copyright 2001 John R. Sheets (for CodeWeavers)
 * Copyright 2005 Jacek Caban
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <string.h>
#include "wine/debug.h"
#include "shdocvw.h"

WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);

static ATOM doc_view_atom = 0;
static ATOM shell_embedding_atom = 0;

static LRESULT WINAPI doc_view_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    return DefWindowProcA(hwnd, msg, wParam, lParam);
}

static LRESULT WINAPI shell_embedding_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    return DefWindowProcA(hwnd, msg, wParam, lParam);
}

static void create_doc_view_hwnd(WebBrowser *This)
{
    static const WCHAR wszShell_DocObject_View[] =
        {'S','h','e','l','l',' ','D','o','c','O','b','j','e','c','t',' ','V','i','e','w',0};

    if(!doc_view_atom) {
        static WNDCLASSEXW wndclass = {
            sizeof(wndclass),
            CS_PARENTDC,
            doc_view_proc,
            0, 0 /* native uses 4*/, NULL, NULL, NULL,
            (HBRUSH)COLOR_WINDOWFRAME, NULL,
            wszShell_DocObject_View,
            NULL
        };

        wndclass.hInstance = shdocvw_hinstance;

        doc_view_atom = RegisterClassExW(&wndclass);
    }

    This->doc_view_hwnd = CreateWindowExW(0, wszShell_DocObject_View, NULL,
         WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TABSTOP | WS_MAXIMIZEBOX,
         0, 0, 0, 0, This->shell_embedding_hwnd,
         NULL, shdocvw_hinstance, This);
}

static void create_shell_embedding_hwnd(WebBrowser *This)
{
    IOleInPlaceSite *inplace;
    HWND parent = NULL;
    HRESULT hres;

    static const WCHAR wszShellEmbedding[] =
        {'S','h','e','l','l',' ','E','m','b','e','d','d','i','n','g',0};

    if(!shell_embedding_atom) {
        static WNDCLASSEXW wndclass = {
            sizeof(wndclass),
            CS_DBLCLKS,
            shell_embedding_proc,
            0, 0 /* native uses 8 */, NULL, NULL, NULL,
            (HBRUSH)COLOR_WINDOWFRAME, NULL,
            wszShellEmbedding,
            NULL
        };
        wndclass.hInstance = shdocvw_hinstance;

        RegisterClassExW(&wndclass);
    }

    hres = IOleClientSite_QueryInterface(This->client, &IID_IOleInPlaceSite, (void**)&inplace);
    if(SUCCEEDED(hres)) {
        IOleInPlaceSite_GetWindow(inplace, &parent);
        IOleInPlaceSite_Release(inplace);
    }

    This->shell_embedding_hwnd = CreateWindowExW(0, wszShellEmbedding, NULL,
         WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TABSTOP | WS_MAXIMIZEBOX,
         0, 0, 0, 0, parent,
         NULL, shdocvw_hinstance, This);

    create_doc_view_hwnd(This);
}

/**********************************************************************
 * Implement the IOleObject interface for the WebBrowser control
 */

#define OLEOBJ_THIS(iface) DEFINE_THIS(WebBrowser, OleObject, iface)

static HRESULT WINAPI OleObject_QueryInterface(IOleObject *iface, REFIID riid, void **ppv)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppv);
}

static ULONG WINAPI OleObject_AddRef(IOleObject *iface)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    return IWebBrowser_AddRef(WEBBROWSER(This));
}

static ULONG WINAPI OleObject_Release(IOleObject *iface)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    return IWebBrowser_Release(WEBBROWSER(This));
}

static HRESULT WINAPI OleObject_SetClientSite(IOleObject *iface, LPOLECLIENTSITE pClientSite)
{
    WebBrowser *This = OLEOBJ_THIS(iface);

    TRACE("(%p)->(%p)\n", This, pClientSite);

    if(This->client == pClientSite)
        return S_OK;

    if(This->doc_view_hwnd)
        DestroyWindow(This->doc_view_hwnd);
    if(This->shell_embedding_hwnd)
        DestroyWindow(This->shell_embedding_hwnd);

    if(This->client)
        IOleClientSite_Release(This->client);

    This->client = pClientSite;
    if(!pClientSite)
        return S_OK;
    
    IOleClientSite_AddRef(pClientSite);

    create_shell_embedding_hwnd(This);

    return S_OK;
}

static HRESULT WINAPI OleObject_GetClientSite(IOleObject *iface, LPOLECLIENTSITE *ppClientSite)
{
    WebBrowser *This = OLEOBJ_THIS(iface);

    TRACE("(%p)->(%p)\n", This, ppClientSite);

    if(!ppClientSite)
        return E_INVALIDARG;

    if(This->client)
        IOleClientSite_AddRef(This->client);
    *ppClientSite = This->client;

    return S_OK;
}

static HRESULT WINAPI OleObject_SetHostNames(IOleObject *iface, LPCOLESTR szContainerApp,
        LPCOLESTR szContainerObj)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%s, %s)\n", This, debugstr_w(szContainerApp), debugstr_w(szContainerObj));
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Close(IOleObject *iface, DWORD dwSaveOption)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%ld)\n", This, dwSaveOption);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_SetMoniker(IOleObject *iface, DWORD dwWhichMoniker, IMoniker* pmk)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%ld, %p)\n", This, dwWhichMoniker, pmk);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetMoniker(IOleObject *iface, DWORD dwAssign,
        DWORD dwWhichMoniker, LPMONIKER *ppmk)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%ld, %ld, %p)\n", This, dwAssign, dwWhichMoniker, ppmk);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_InitFromData(IOleObject *iface, LPDATAOBJECT pDataObject,
        BOOL fCreation, DWORD dwReserved)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%p, %d, %ld)\n", This, pDataObject, fCreation, dwReserved);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetClipboardData(IOleObject *iface, DWORD dwReserved,
        LPDATAOBJECT *ppDataObject)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%ld, %p)\n", This, dwReserved, ppDataObject);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_DoVerb(IOleObject *iface, LONG iVerb, struct tagMSG* lpmsg,
        LPOLECLIENTSITE pActiveSite, LONG lindex, HWND hwndParent, LPCRECT lprcPosRect)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%ld %p %p %ld %p %p)\n", This, iVerb, lpmsg, pActiveSite, lindex, hwndParent,
            lprcPosRect);

    switch (iVerb)
    {
    case OLEIVERB_INPLACEACTIVATE: {
        IOleInPlaceSite *inplace;

        TRACE("OLEIVERB_INPLACEACTIVATE\n");

        if(!pActiveSite)
            return E_INVALIDARG;

        hres = IOleClientSite_QueryInterface(pActiveSite, &IID_IOleInPlaceSite, (void**)&inplace);
        if(FAILED(hres)) {
            WARN("Could not get IOleInPlaceSite\n");
            return hres;
        }

        hres = IOleInPlaceSite_CanInPlaceActivate(inplace);
        if(hres != S_OK) {
            WARN("CanInPlaceActivate returned: %08lx\n", hres);
            IOleInPlaceSite_Release(inplace);
            return E_FAIL;
        }

        hres = IOleInPlaceSite_GetWindow(inplace, &This->iphwnd);
        if(FAILED(hres))
            This->iphwnd = hwndParent;

        IOleInPlaceSite_OnInPlaceActivate(inplace);

        IOleInPlaceSite_GetWindowContext(inplace, &This->frame, &This->uiwindow,
                                         &This->pos_rect, &This->clip_rect,
                                         &This->frameinfo);


        IOleInPlaceSite_Release(inplace);

        if(This->client) {
            IOleClientSite_ShowObject(This->client);
            IOleClientSite_GetContainer(This->client, &This->container);
        }

        if(This->frame)
            IOleInPlaceFrame_GetWindow(This->frame, &This->frame_hwnd);

        return S_OK;
    }
    default:
        FIXME("stub for %ld\n", iVerb);
        break;
    }

    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_EnumVerbs(IOleObject *iface, IEnumOLEVERB **ppEnumOleVerb)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    TRACE("(%p)->(%p)\n", This, ppEnumOleVerb);
    return OleRegEnumVerbs(&CLSID_WebBrowser, ppEnumOleVerb);
}

static HRESULT WINAPI OleObject_Update(IOleObject *iface)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_IsUpToDate(IOleObject *iface)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetUserClassID(IOleObject *iface, CLSID* pClsid)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%p)\n", This, pClsid);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetUserType(IOleObject *iface, DWORD dwFormOfType,
        LPOLESTR* pszUserType)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    TRACE("(%p, %ld, %p)\n", This, dwFormOfType, pszUserType);
    return OleRegGetUserType(&CLSID_WebBrowser, dwFormOfType, pszUserType);
}

static HRESULT WINAPI OleObject_SetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%lx %p)\n", This, dwDrawAspect, psizel);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_GetExtent(IOleObject *iface, DWORD dwDrawAspect, SIZEL *psizel)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%lx, %p)\n", This, dwDrawAspect, psizel);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Advise(IOleObject *iface, IAdviseSink *pAdvSink,
        DWORD* pdwConnection)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%p, %p)\n", This, pAdvSink, pdwConnection);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_Unadvise(IOleObject *iface, DWORD dwConnection)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%ld)\n", This, dwConnection);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleObject_EnumAdvise(IOleObject *iface, IEnumSTATDATA **ppenumAdvise)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%p)\n", This, ppenumAdvise);
    return S_OK;
}

static HRESULT WINAPI OleObject_GetMiscStatus(IOleObject *iface, DWORD dwAspect, DWORD *pdwStatus)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    HRESULT hres;

    TRACE("(%p)->(%lx, %p)\n", This, dwAspect, pdwStatus);

    hres = OleRegGetMiscStatus(&CLSID_WebBrowser, dwAspect, pdwStatus);

    if (FAILED(hres))
        *pdwStatus = 0;

    return S_OK;
}

static HRESULT WINAPI OleObject_SetColorScheme(IOleObject *iface, LOGPALETTE* pLogpal)
{
    WebBrowser *This = OLEOBJ_THIS(iface);
    FIXME("(%p)->(%p)\n", This, pLogpal);
    return E_NOTIMPL;
}

#undef OLEOBJ_THIS

static const IOleObjectVtbl OleObjectVtbl =
{
    OleObject_QueryInterface,
    OleObject_AddRef,
    OleObject_Release,
    OleObject_SetClientSite,
    OleObject_GetClientSite,
    OleObject_SetHostNames,
    OleObject_Close,
    OleObject_SetMoniker,
    OleObject_GetMoniker,
    OleObject_InitFromData,
    OleObject_GetClipboardData,
    OleObject_DoVerb,
    OleObject_EnumVerbs,
    OleObject_Update,
    OleObject_IsUpToDate,
    OleObject_GetUserClassID,
    OleObject_GetUserType,
    OleObject_SetExtent,
    OleObject_GetExtent,
    OleObject_Advise,
    OleObject_Unadvise,
    OleObject_EnumAdvise,
    OleObject_GetMiscStatus,
    OleObject_SetColorScheme
};

/**********************************************************************
 * Implement the IOleInPlaceObject interface
 */

#define INPLACEOBJ_THIS(iface) DEFINE_THIS(WebBrowser, OleInPlaceObject, iface)

static HRESULT WINAPI OleInPlaceObject_QueryInterface(IOleInPlaceObject *iface,
        REFIID riid, LPVOID *ppobj)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppobj);
}

static ULONG WINAPI OleInPlaceObject_AddRef(IOleInPlaceObject *iface)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    return IWebBrowser_AddRef(WEBBROWSER(This));
}

static ULONG WINAPI OleInPlaceObject_Release(IOleInPlaceObject *iface)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    return IWebBrowser_Release(WEBBROWSER(This));
}

static HRESULT WINAPI OleInPlaceObject_GetWindow(IOleInPlaceObject *iface, HWND* phwnd)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);

    FIXME("(%p)->(%p)\n", This, phwnd);

#if 0
    /* Create a fake window to fool MFC into believing that we actually
     * have an implemented browser control.  Avoids the assertion.
     */
    HWND hwnd;
    hwnd = CreateWindowA("BUTTON", "Web Control",
                        WS_HSCROLL | WS_VSCROLL | WS_OVERLAPPEDWINDOW,
                        CW_USEDEFAULT, CW_USEDEFAULT, 600,
                        400, NULL, NULL, NULL, NULL);

    *phwnd = hwnd;
    TRACE ("Returning hwnd = %d\n", hwnd);
#endif

    return S_OK;
}

static HRESULT WINAPI OleInPlaceObject_ContextSensitiveHelp(IOleInPlaceObject *iface,
        BOOL fEnterMode)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    FIXME("(%p)->(%x)\n", This, fEnterMode);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleInPlaceObject_InPlaceDeactivate(IOleInPlaceObject *iface)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleInPlaceObject_UIDeactivate(IOleInPlaceObject *iface)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleInPlaceObject_SetObjectRects(IOleInPlaceObject *iface,
        LPCRECT lprcPosRect, LPCRECT lprcClipRect)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    FIXME("(%p)->(%p %p)\n", This, lprcPosRect, lprcClipRect);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleInPlaceObject_ReactivateAndUndo(IOleInPlaceObject *iface)
{
    WebBrowser *This = INPLACEOBJ_THIS(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

#undef INPLACEOBJ_THIS

static const IOleInPlaceObjectVtbl OleInPlaceObjectVtbl =
{
    OleInPlaceObject_QueryInterface,
    OleInPlaceObject_AddRef,
    OleInPlaceObject_Release,
    OleInPlaceObject_GetWindow,
    OleInPlaceObject_ContextSensitiveHelp,
    OleInPlaceObject_InPlaceDeactivate,
    OleInPlaceObject_UIDeactivate,
    OleInPlaceObject_SetObjectRects,
    OleInPlaceObject_ReactivateAndUndo
};

/**********************************************************************
 * Implement the IOleControl interface
 */

#define CONTROL_THIS(iface) DEFINE_THIS(WebBrowser, OleControl, iface)

static HRESULT WINAPI OleControl_QueryInterface(IOleControl *iface,
        REFIID riid, LPVOID *ppobj)
{
    WebBrowser *This = CONTROL_THIS(iface);
    return IWebBrowser_QueryInterface(WEBBROWSER(This), riid, ppobj);
}

static ULONG WINAPI OleControl_AddRef(IOleControl *iface)
{
    WebBrowser *This = CONTROL_THIS(iface);
    return IWebBrowser_AddRef(WEBBROWSER(This));
}

static ULONG WINAPI OleControl_Release(IOleControl *iface)
{
    WebBrowser *This = CONTROL_THIS(iface);
    return IWebBrowser_Release(WEBBROWSER(This));
}

static HRESULT WINAPI OleControl_GetControlInfo(IOleControl *iface, LPCONTROLINFO pCI)
{
    WebBrowser *This = CONTROL_THIS(iface);
    FIXME("(%p)->(%p)\n", This, pCI);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleControl_OnMnemonic(IOleControl *iface, struct tagMSG *pMsg)
{
    WebBrowser *This = CONTROL_THIS(iface);
    FIXME("(%p)->(%p)\n", This, pMsg);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleControl_OnAmbientPropertyChange(IOleControl *iface, DISPID dispID)
{
    WebBrowser *This = CONTROL_THIS(iface);
    FIXME("(%p)->(%ld)\n", This, dispID);
    return E_NOTIMPL;
}

static HRESULT WINAPI OleControl_FreezeEvents(IOleControl *iface, BOOL bFreeze)
{
    WebBrowser *This = CONTROL_THIS(iface);
    FIXME("(%p)->(%x)\n", This, bFreeze);
    return E_NOTIMPL;
}

#undef CONTROL_THIS

static const IOleControlVtbl OleControlVtbl =
{
    OleControl_QueryInterface,
    OleControl_AddRef,
    OleControl_Release,
    OleControl_GetControlInfo,
    OleControl_OnMnemonic,
    OleControl_OnAmbientPropertyChange,
    OleControl_FreezeEvents
};

void WebBrowser_OleObject_Init(WebBrowser *This)
{
    This->lpOleObjectVtbl        = &OleObjectVtbl;
    This->lpOleInPlaceObjectVtbl = &OleInPlaceObjectVtbl;
    This->lpOleControlVtbl       = &OleControlVtbl;

    This->client = NULL;
    This->container = NULL;
    This->iphwnd = NULL;
    This->frame_hwnd = NULL;
    This->frame = NULL;
    This->uiwindow = NULL;

    memset(&This->pos_rect, 0, sizeof(RECT));
    memset(&This->clip_rect, 0, sizeof(RECT));
    memset(&This->frameinfo, 0, sizeof(OLEINPLACEFRAMEINFO));
}

void WebBrowser_OleObject_Destroy(WebBrowser *This)
{
    if(This->client)
        IOleObject_SetClientSite(OLEOBJ(This), NULL);
    if(This->container)
        IOleContainer_Release(This->container);
    if(This->frame)
        IOleInPlaceFrame_Release(This->frame);
    if(This->uiwindow)
        IOleInPlaceUIWindow_Release(This->uiwindow);
}