C++ IOleClientSite_Release函数代码示例

static void release_client_site(WebBrowser *This, BOOL destroy_win)
{
    release_dochost_client(&This->doc_host);

    if(This->client) {
        IOleClientSite_Release(This->client);
        This->client = NULL;
    }

    if(This->client_closed) {
        IOleClientSite_Release(This->client_closed);
        This->client_closed = NULL;
    }

    if(destroy_win && This->shell_embedding_hwnd) {
        DestroyWindow(This->shell_embedding_hwnd);
        This->shell_embedding_hwnd = NULL;
    }

    if(This->inplace) {
        IOleInPlaceSiteEx_Release(This->inplace);
        This->inplace = NULL;
    }

    if(This->container) {
        IOleContainer_Release(This->container);
        This->container = NULL;
    }

    if(This->uiwindow) {
        IOleInPlaceUIWindow_Release(This->uiwindow);
        This->uiwindow = NULL;
    }
}

static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
        HRESULT hresult, LPCWSTR szError)
{
    BindStatusCallback *This = impl_from_IBindStatusCallback(iface);

    TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));

    set_status_text(This, 0, emptyW);

    if(!This->doc_host)
        return S_OK;

    if(!This->doc_host->olecmd)
        notify_download_state(This->doc_host, FALSE);
    if(FAILED(hresult))
        handle_navigation_error(This->doc_host, hresult, This->url, NULL);

    IOleClientSite_Release(&This->doc_host->IOleClientSite_iface);
    This->doc_host = NULL;

    IBinding_Release(This->binding);
    This->binding = NULL;

    return S_OK;
}

static HRESULT WINAPI ControlSite_TranslateAccelerator(IOleControlSite *iface, MSG *pMsg,
                                                       DWORD grfModifiers)
{
    DocHost *This = impl_from_IOleControlSite(iface);
    IOleObject *wb_obj;
    IOleClientSite *clientsite;
    IOleControlSite *controlsite;
    HRESULT hr;

    TRACE("(%p)->(%p, %08x)\n", This, pMsg, grfModifiers);

    hr = IDispatch_QueryInterface(This->disp, &IID_IOleObject, (void**)&wb_obj);
    if(SUCCEEDED(hr)) {
        hr = IOleObject_GetClientSite(wb_obj, &clientsite);
        if(SUCCEEDED(hr)) {
            hr = IOleClientSite_QueryInterface(clientsite, &IID_IOleControlSite, (void**)&controlsite);
            if(SUCCEEDED(hr)) {
                hr = IOleControlSite_TranslateAccelerator(controlsite, pMsg, grfModifiers);
                IOleControlSite_Release(controlsite);
            }
            IOleClientSite_Release(clientsite);
        }
        IOleObject_Release(wb_obj);
    }

    if(FAILED(hr))
        return S_FALSE;
    else
        return hr;
}

void ME_DeleteReObject(REOBJECT* reo)
{
    if (reo->poleobj)   IOleObject_Release(reo->poleobj);
    if (reo->pstg)      IStorage_Release(reo->pstg);
    if (reo->polesite)  IOleClientSite_Release(reo->polesite);
    FREE_OBJ(reo);
}

static HRESULT WINAPI PersistMoniker_Load(IPersistMoniker *iface, BOOL fFullyAvailable,
        IMoniker *pimkName, LPBC pibc, DWORD grfMode)
{
    HTMLDocument *This = impl_from_IPersistMoniker(iface);
    IMoniker *mon;
    HRESULT hres;

    TRACE("(%p)->(%x %p %p %08x)\n", This, fFullyAvailable, pimkName, pibc, grfMode);

    if(pibc) {
        IUnknown *unk = NULL;

        /* FIXME:
         * Use params:
         * "__PrecreatedObject"
         * "BIND_CONTEXT_PARAM"
         * "__HTMLLOADOPTIONS"
         * "__DWNBINDINFO"
         * "URL Context"
         * "_ITransData_Object_"
         * "_EnumFORMATETC_"
         */

        hres = IBindCtx_GetObjectParam(pibc, (LPOLESTR)SZ_HTML_CLIENTSITE_OBJECTPARAM, &unk);
        if(SUCCEEDED(hres) && unk) {
            IOleClientSite *client = NULL;

            hres = IUnknown_QueryInterface(unk, &IID_IOleClientSite, (void**)&client);
            if(SUCCEEDED(hres)) {
                TRACE("Got client site %p\n", client);
                IOleObject_SetClientSite(&This->IOleObject_iface, client);
                IOleClientSite_Release(client);
            }

            IUnknown_Release(unk);
        }
    }

    if(This->doc_obj->is_mhtml) {
        IUnknown *unk;

        hres = MimeOleObjectFromMoniker(0, pimkName, pibc, &IID_IUnknown, (void**)&unk, &mon);
        if(FAILED(hres))
            return hres;
        IUnknown_Release(unk);
        pibc = NULL;
    }else {
        IMoniker_AddRef(mon = pimkName);
    }

    prepare_for_binding(This, mon, FALSE);
    call_docview_84(This->doc_obj);
    hres = set_moniker(This->window, mon, NULL, pibc, NULL, TRUE);
    IMoniker_Release(mon);
    if(FAILED(hres))
        return hres;

    return start_binding(This->window->pending_window, (BSCallback*)This->window->pending_window->bscallback, pibc);
}

void deactivate_document(DocHost *This)
{
    IOleInPlaceObjectWindowless *winobj;
    IOleObject *oleobj = NULL;
    IHlinkTarget *hlink = NULL;
    HRESULT hres;

    if(This->doc_navigate) {
        IUnknown_Release(This->doc_navigate);
        This->doc_navigate = NULL;
    }

    if(This->is_prop_notif)
        advise_prop_notif(This, FALSE);

    if(This->view)
        IOleDocumentView_UIActivate(This->view, FALSE);

    hres = IUnknown_QueryInterface(This->document, &IID_IOleInPlaceObjectWindowless,
                                   (void**)&winobj);
    if(SUCCEEDED(hres)) {
        IOleInPlaceObjectWindowless_InPlaceDeactivate(winobj);
        IOleInPlaceObjectWindowless_Release(winobj);
    }

    if(This->view) {
        IOleDocumentView_Show(This->view, FALSE);
        IOleDocumentView_CloseView(This->view, 0);
        IOleDocumentView_SetInPlaceSite(This->view, NULL);
        IOleDocumentView_Release(This->view);
        This->view = NULL;
    }

    hres = IUnknown_QueryInterface(This->document, &IID_IOleObject, (void**)&oleobj);
    if(SUCCEEDED(hres))
        IOleObject_Close(oleobj, OLECLOSE_NOSAVE);

    hres = IUnknown_QueryInterface(This->document, &IID_IHlinkTarget, (void**)&hlink);
    if(SUCCEEDED(hres)) {
        IHlinkTarget_SetBrowseContext(hlink, NULL);
        IHlinkTarget_Release(hlink);
    }

    if(oleobj) {
        IOleClientSite *client_site = NULL;

        IOleObject_GetClientSite(oleobj, &client_site);
        if(client_site) {
            if(client_site == &This->IOleClientSite_iface)
                IOleObject_SetClientSite(oleobj, NULL);
            IOleClientSite_Release(client_site);
        }

        IOleObject_Release(oleobj);
    }

    IUnknown_Release(This->document);
    This->document = NULL;
}

static ULONG WINAPI NewWindowManager_Release(INewWindowManager *iface)
{
    NewWindowManager *This = impl_from_INewWindowManager(iface);

    TRACE("(%p)\n", This);

    return IOleClientSite_Release(&This->doc_host->IOleClientSite_iface);
}

static void release_client_site(WindowsMediaPlayer *This)
{
    if(!This->client_site)
        return;

    if(This->hwnd)
        deactivate_window(This);

    IOleClientSite_Release(This->client_site);
    This->client_site = NULL;
}

static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
        HRESULT hresult, LPCWSTR szError)
{
    BindStatusCallback *This = impl_from_IBindStatusCallback(iface);

    TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));

    set_status_text(This, emptyW);

    if(This->doc_host) {
        IOleClientSite_Release(&This->doc_host->IOleClientSite_iface);
        This->doc_host = NULL;
    }

    return S_OK;
}

static ULONG WINAPI
IRichEditOle_fnRelease(IRichEditOle *me)
{
    IRichEditOleImpl *This = impl_from_IRichEditOle(me);
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE ("%p ref=%u\n", This, ref);

    if (!ref)
    {
        TRACE ("Destroying %p\n", This);
        This->txtSel->reOle = NULL;
        ITextSelection_Release(&This->txtSel->ITextSelection_iface);
        IOleClientSite_Release(&This->clientSite->IOleClientSite_iface);
        heap_free(This);
    }
    return ref;
}

static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
{
    BindStatusCallback *This = impl_from_IBindStatusCallback(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref) {
        if(This->doc_host)
            IOleClientSite_Release(&This->doc_host->IOleClientSite_iface);
        if(This->post_data)
            GlobalFree(This->post_data);
        SysFreeString(This->headers);
        heap_free(This->url);
        heap_free(This);
    }

    return ref;
}

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

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

    /* restore closed client site if we have one */
    if(!This->client && This->client_closed) {
        IOleClientSite *client = This->client_closed;
        This->client_closed = NULL;
        IOleObject_SetClientSite(iface, client);
        IOleClientSite_Release(client);
    }

    switch (iVerb)
    {
    case OLEIVERB_SHOW:
        TRACE("OLEIVERB_SHOW\n");
        return activate_ui(This, pActiveSite);
    case OLEIVERB_UIACTIVATE:
        TRACE("OLEIVERB_UIACTIVATE\n");
        return activate_ui(This, pActiveSite);
    case OLEIVERB_INPLACEACTIVATE:
        TRACE("OLEIVERB_INPLACEACTIVATE\n");
        return activate_inplace(This, pActiveSite);
    case OLEIVERB_HIDE:
        TRACE("OLEIVERB_HIDE\n");
        if(This->inplace)
            IOleInPlaceSiteEx_OnInPlaceDeactivate(This->inplace);
        if(This->shell_embedding_hwnd)
            ShowWindow(This->shell_embedding_hwnd, SW_HIDE);
        return S_OK;
    default:
        FIXME("stub for %d\n", iVerb);
        break;
    }

    return E_NOTIMPL;
}

void ReleaseWebBrowser(HHInfo *info)
{
    WebBrowserContainer *container = info->web_browser;
    HRESULT hres;

    if(!container)
        return;

    if(container->ole_obj) {
        IOleInPlaceSite *inplace;

        hres = IOleObject_QueryInterface(container->ole_obj, &IID_IOleInPlaceSite, (void**)&inplace);
        if(SUCCEEDED(hres)) {
            IOleInPlaceSite_OnInPlaceDeactivate(inplace);
            IOleInPlaceSite_Release(inplace);
        }

        IOleObject_SetClientSite(container->ole_obj, NULL);
    }

    info->web_browser = NULL;
    IOleClientSite_Release(&container->IOleClientSite_iface);
}

static ULONG STDMETHODCALLTYPE Frame_Release(IOleInPlaceFrame *iface)
{
    WebBrowserContainer *This = impl_from_IOleInPlaceFrame(iface);

    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static ULONG STDMETHODCALLTYPE UI_Release(IDocHostUIHandler * iface)
{
    WebBrowserContainer *This = impl_from_IDocHostUIHandler(iface);

    return IOleClientSite_Release(&This->IOleClientSite_iface);
}