oleobject.c

winNT技术操作系统,国外开放的原代码和LIUX一样

/*
 * 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 shell_embedding_atom = 0;

static LRESULT resize_window(WebBrowser *This, LONG width, LONG height)
{
    if(This->doc_view_hwnd)
        SetWindowPos(This->doc_view_hwnd, NULL, 0, 0, width, height,
                     SWP_NOZORDER | SWP_NOACTIVATE);

    return 0;
}

static LRESULT WINAPI shell_embedding_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    WebBrowser *This;

    static const WCHAR wszTHIS[] = {'T','H','I','S',0};

    if(msg == WM_CREATE) {
        This = *(WebBrowser**)lParam;
        SetPropW(hwnd, wszTHIS, This);
    }else {
        This = GetPropW(hwnd, wszTHIS);
    }

    switch(msg) {
    case WM_SIZE:
        return resize_window(This, LOWORD(lParam), HIWORD(lParam));
    }

    return DefWindowProcA(hwnd, msg, wParam, lParam);
}

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, wszShellEmbedding,
         WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TABSTOP | WS_MAXIMIZEBOX,
         0, 0, 0, 0, parent,
         NULL, shdocvw_hinstance, 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;

    static const WCHAR wszitem[] = {'i','t','e','m',0};

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

    switch (iVerb)
    {
    case OLEIVERB_SHOW:
    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);


        if(iVerb == OLEIVERB_INPLACEACTIVATE)
            IOleInPlaceSite_Release(inplace);

        SetWindowPos(This->shell_embedding_hwnd, NULL,
                     This->pos_rect.left, This->pos_rect.top,
                     This->pos_rect.right-This->pos_rect.left,
                     This->pos_rect.bottom-This->pos_rect.top,
                     SWP_NOZORDER | SWP_SHOWWINDOW);

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

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

        if(iVerb == OLEIVERB_INPLACEACTIVATE)
            return S_OK;

        TRACE("OLEIVERB_SHOW\n");

        IOleInPlaceSite_OnUIActivate(inplace);
        IOleInPlaceSite_Release(inplace);

        IOleInPlaceFrame_SetActiveObject(This->frame, ACTIVEOBJ(This), wszitem);

        /* TODO:
         * IOleInPlaceFrmae_SetMenu
         */

        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);