pluginhost.c 39.6 KB
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/*
 * Copyright 2010 Jacek Caban for CodeWeavers
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include <stdarg.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "shlobj.h"
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#include "mshtmdid.h"
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#include "mshtml_private.h"
#include "pluginhost.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(mshtml);

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const IID IID_HTMLPluginContainer =
    {0xbd7a6050,0xb373,0x4f6f,{0xa4,0x93,0xdd,0x40,0xc5,0x23,0xa8,0x6a}};

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static BOOL check_load_safety(PluginHost *host)
{
    DWORD policy_size, policy;
    struct CONFIRMSAFETY cs;
    BYTE *ppolicy;
    HRESULT hres;

    cs.clsid = host->clsid;
    cs.pUnk = host->plugin_unk;
    cs.dwFlags = CONFIRMSAFETYACTION_LOADOBJECT;

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    hres = IInternetHostSecurityManager_QueryCustomPolicy(&host->doc->IInternetHostSecurityManager_iface,
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            &GUID_CUSTOM_CONFIRMOBJECTSAFETY, &ppolicy, &policy_size, (BYTE*)&cs, sizeof(cs), 0);
    if(FAILED(hres))
        return FALSE;

    policy = *(DWORD*)ppolicy;
    CoTaskMemFree(ppolicy);
    return policy == URLPOLICY_ALLOW;
}

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static BOOL check_script_safety(PluginHost *host)
{
    DISPPARAMS params = {NULL,NULL,0,0};
    DWORD policy_size, policy;
    struct CONFIRMSAFETY cs;
    BYTE *ppolicy;
    ULONG err = 0;
    VARIANT v;
    HRESULT hres;

    cs.clsid = host->clsid;
    cs.pUnk = host->plugin_unk;
    cs.dwFlags = 0;

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    hres = IInternetHostSecurityManager_QueryCustomPolicy(&host->doc->IInternetHostSecurityManager_iface,
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            &GUID_CUSTOM_CONFIRMOBJECTSAFETY, &ppolicy, &policy_size, (BYTE*)&cs, sizeof(cs), 0);
    if(FAILED(hres))
        return FALSE;

    policy = *(DWORD*)ppolicy;
    CoTaskMemFree(ppolicy);

    if(policy != URLPOLICY_ALLOW)
        return FALSE;

    V_VT(&v) = VT_EMPTY;
    hres = IDispatch_Invoke(host->disp, DISPID_SECURITYCTX, &IID_NULL, 0, DISPATCH_PROPERTYGET, &params, &v, NULL, &err);
    if(SUCCEEDED(hres)) {
        FIXME("Handle security ctx %s\n", debugstr_variant(&v));
        return FALSE;
    }

    return TRUE;
}

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static void update_readystate(PluginHost *host)
{
    DISPPARAMS params = {NULL,NULL,0,0};
    IDispatchEx *dispex;
    IDispatch *disp;
    ULONG err = 0;
    VARIANT v;
    HRESULT hres;

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatchEx, (void**)&dispex);
    if(SUCCEEDED(hres)) {
        FIXME("Use IDispatchEx\n");
        IDispatchEx_Release(dispex);
    }

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatch, (void**)&disp);
    if(FAILED(hres))
        return;

    hres = IDispatch_Invoke(disp, DISPID_READYSTATE, &IID_NULL, 0, DISPATCH_PROPERTYGET, &params, &v, NULL, &err);
    IDispatch_Release(disp);
    if(SUCCEEDED(hres)) {
        /* FIXME: make plugin readystate affect document readystate */
        TRACE("readystate = %s\n", debugstr_variant(&v));
        VariantClear(&v);
    }
}

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/* FIXME: We shouldn't need this function and we should embed plugin directly in the main document */
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static void get_pos_rect(PluginHost *host, RECT *ret)
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{
    ret->top = 0;
    ret->left = 0;
    ret->bottom = host->rect.bottom - host->rect.top;
    ret->right = host->rect.right - host->rect.left;
}

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static void load_prop_bag(PluginHost *host, IPersistPropertyBag *persist_prop_bag)
{
    IPropertyBag *prop_bag;
    HRESULT hres;

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    hres = create_param_prop_bag(host->element->element.nselem, &prop_bag);
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    if(FAILED(hres))
        return;

    if(prop_bag && !check_load_safety(host)) {
        IPropertyBag_Release(prop_bag);
        prop_bag = NULL;
    }

    if(prop_bag) {
        hres = IPersistPropertyBag_Load(persist_prop_bag, prop_bag, NULL);
        IPropertyBag_Release(prop_bag);
        if(FAILED(hres))
            WARN("Load failed: %08x\n", hres);
    }else {
        hres = IPersistPropertyBag_InitNew(persist_prop_bag);
        if(FAILED(hres))
            WARN("InitNew failed: %08x\n", hres);
    }
}

static void load_plugin(PluginHost *host)
{
    IPersistPropertyBag2 *persist_prop_bag2;
    IPersistPropertyBag *persist_prop_bag;
    HRESULT hres;

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IPersistPropertyBag2, (void**)&persist_prop_bag2);
    if(SUCCEEDED(hres)) {
        FIXME("Use IPersistPropertyBag2 iface\n");
        IPersistPropertyBag2_Release(persist_prop_bag2);
        return;
    }

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IPersistPropertyBag, (void**)&persist_prop_bag);
    if(SUCCEEDED(hres)) {
        load_prop_bag(host, persist_prop_bag);
        IPersistPropertyBag_Release(persist_prop_bag);
        return;
    }

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    FIXME("No IPersistPropertyBag iface\n");
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}

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static void activate_plugin(PluginHost *host)
{
    IClientSecurity *client_security;
    IQuickActivate *quick_activate;
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    IOleObject *ole_obj = NULL;
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    IOleCommandTarget *cmdtrg;
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    IViewObjectEx *view_obj;
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    IDispatchEx *dispex;
    IDispatch *disp;
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    RECT rect;
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    HRESULT hres;

    if(!host->plugin_unk)
        return;

    /* Note native calls QI on plugin for an undocumented IID and CLSID_HTMLDocument */

    /* FIXME: call FreezeEvents(TRUE) */

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IClientSecurity, (void**)&client_security);
    if(SUCCEEDED(hres)) {
        FIXME("Handle IClientSecurity\n");
        IClientSecurity_Release(client_security);
        return;
    }

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IQuickActivate, (void**)&quick_activate);
    if(SUCCEEDED(hres)) {
        QACONTAINER container = {sizeof(container)};
        QACONTROL control = {sizeof(control)};

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        TRACE("Using IQuickActivate\n");

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        container.pClientSite = &host->IOleClientSite_iface;
        container.dwAmbientFlags = QACONTAINER_SUPPORTSMNEMONICS|QACONTAINER_MESSAGEREFLECT|QACONTAINER_USERMODE;
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        container.pAdviseSink = &host->IAdviseSinkEx_iface;
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        container.pPropertyNotifySink = &host->IPropertyNotifySink_iface;
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        hres = IQuickActivate_QuickActivate(quick_activate, &container, &control);
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        IQuickActivate_Release(quick_activate);
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        if(FAILED(hres))
            FIXME("QuickActivate failed: %08x\n", hres);
    }else {
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        DWORD status = 0;

        hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
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        if(SUCCEEDED(hres)) {
            hres = IOleObject_GetMiscStatus(ole_obj, DVASPECT_CONTENT, &status);
            TRACE("GetMiscStatus returned %08x %x\n", hres, status);

            hres = IOleObject_SetClientSite(ole_obj, &host->IOleClientSite_iface);
            IOleObject_Release(ole_obj);
            if(FAILED(hres)) {
                FIXME("SetClientSite failed: %08x\n", hres);
                return;
            }
        }else {
            TRACE("Plugin does not support IOleObject\n");
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        }
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    }
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    load_plugin(host);
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    if(ole_obj) {
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        hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IViewObjectEx, (void**)&view_obj);
        if(SUCCEEDED(hres)) {
            DWORD view_status = 0;

            hres = IViewObjectEx_SetAdvise(view_obj, DVASPECT_CONTENT, 0, (IAdviseSink*)&host->IAdviseSinkEx_iface);
            if(FAILED(hres))
                WARN("SetAdvise failed: %08x\n", hres);

            hres = IViewObjectEx_GetViewStatus(view_obj, &view_status);
            IViewObjectEx_Release(view_obj);
            TRACE("GetViewStatus returned %08x %x\n", hres, view_status);
        }
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    }
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    update_readystate(host);
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    /* NOTE: Native QIs for IActiveScript, an undocumented IID, IOleControl and IRunnableObject */
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    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatchEx, (void**)&dispex);
    if(SUCCEEDED(hres)) {
        FIXME("Use IDispatchEx\n");
        host->disp = (IDispatch*)dispex;
    }else {
        hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IDispatch, (void**)&disp);
        if(SUCCEEDED(hres))
            host->disp = disp;
        else
            TRACE("no IDispatch iface\n");
    }

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    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleCommandTarget, (void**)&cmdtrg);
    if(SUCCEEDED(hres)) {
        FIXME("Use IOleCommandTarget\n");
        IOleCommandTarget_Release(cmdtrg);
    }

    hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
    if(FAILED(hres)) {
        FIXME("Plugin does not support IOleObject\n");
        return;
    }

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    if(ole_obj) {
        get_pos_rect(host, &rect);
        hres = IOleObject_DoVerb(ole_obj, OLEIVERB_INPLACEACTIVATE, NULL, &host->IOleClientSite_iface, 0, host->hwnd, &rect);
        IOleObject_Release(ole_obj);
        if(FAILED(hres))
            WARN("DoVerb failed: %08x\n", hres);
    }
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    if(host->ip_object) {
        HWND hwnd;

        hres = IOleInPlaceObject_GetWindow(host->ip_object, &hwnd);
        if(SUCCEEDED(hres))
            TRACE("hwnd %p\n", hwnd);
    }
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}

void update_plugin_window(PluginHost *host, HWND hwnd, const RECT *rect)
{
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    BOOL rect_changed = FALSE;

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    if(!hwnd || (host->hwnd && host->hwnd != hwnd)) {
        FIXME("unhandled hwnd\n");
        return;
    }

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    TRACE("%p %s\n", hwnd, wine_dbgstr_rect(rect));

    if(memcmp(rect, &host->rect, sizeof(RECT))) {
        host->rect = *rect;
        rect_changed = TRUE;
    }
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    if(!host->hwnd) {
        host->hwnd = hwnd;
        activate_plugin(host);
    }
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    if(rect_changed && host->ip_object)
        IOleInPlaceObject_SetObjectRects(host->ip_object, &host->rect, &host->rect);
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}

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HRESULT get_plugin_disp(HTMLPluginContainer *plugin_container, IDispatch **ret)
{
    PluginHost *host;

    host = plugin_container->plugin_host;
    if(!host) {
        ERR("No plugin host\n");
        return E_UNEXPECTED;
    }

    if(!host->disp) {
        *ret = NULL;
        return S_OK;
    }

    if(!check_script_safety(host)) {
        FIXME("Insecure object\n");
        return E_FAIL;
    }

    IDispatch_AddRef(host->disp);
    *ret = host->disp;
    return S_OK;
}

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HRESULT get_plugin_dispid(HTMLPluginContainer *plugin_container, WCHAR *name, DISPID *ret)
{
    IDispatch *disp;
    DISPID id;
    DWORD i;
    HRESULT hres;

    if(!plugin_container->plugin_host) {
        WARN("no plugin host\n");
        return DISP_E_UNKNOWNNAME;
    }

    disp = plugin_container->plugin_host->disp;
    if(!disp)
        return DISP_E_UNKNOWNNAME;

    hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, &id);
    if(FAILED(hres)) {
        TRACE("no prop %s\n", debugstr_w(name));
        return DISP_E_UNKNOWNNAME;
    }

    for(i=0; i < plugin_container->props_len; i++) {
        if(id == plugin_container->props[i]) {
            *ret = MSHTML_DISPID_CUSTOM_MIN+i;
            return S_OK;
        }
    }

    if(!plugin_container->props) {
        plugin_container->props = heap_alloc(8*sizeof(DISPID));
        if(!plugin_container->props)
            return E_OUTOFMEMORY;
        plugin_container->props_size = 8;
    }else if(plugin_container->props_len == plugin_container->props_size) {
        DISPID *new_props;

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        new_props = heap_realloc(plugin_container->props, plugin_container->props_size*2*sizeof(DISPID));
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        if(!new_props)
            return E_OUTOFMEMORY;

        plugin_container->props = new_props;
        plugin_container->props_size *= 2;
    }

    plugin_container->props[plugin_container->props_len] = id;
    *ret = MSHTML_DISPID_CUSTOM_MIN+plugin_container->props_len;
    plugin_container->props_len++;
    return S_OK;
}

HRESULT invoke_plugin_prop(HTMLPluginContainer *plugin_container, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
        VARIANT *res, EXCEPINFO *ei)
{
    PluginHost *host;

    host = plugin_container->plugin_host;
    if(!host || !host->disp) {
        FIXME("Called with no disp\n");
        return E_UNEXPECTED;
    }

    if(!check_script_safety(host)) {
        FIXME("Insecure object\n");
        return E_FAIL;
    }

    if(id < MSHTML_DISPID_CUSTOM_MIN || id > MSHTML_DISPID_CUSTOM_MIN + plugin_container->props_len) {
        ERR("Invalid id\n");
        return E_FAIL;
    }

    return IDispatch_Invoke(host->disp, plugin_container->props[id-MSHTML_DISPID_CUSTOM_MIN], &IID_NULL,
            lcid, flags, params, res, ei, NULL);
}

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static inline PluginHost *impl_from_IOleClientSite(IOleClientSite *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IOleClientSite_iface);
}

static HRESULT WINAPI PHClientSite_QueryInterface(IOleClientSite *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IOleClientSite(iface);

    if(IsEqualGUID(&IID_IUnknown, riid)) {
        TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
        *ppv = &This->IOleClientSite_iface;
    }else if(IsEqualGUID(&IID_IOleClientSite, riid)) {
        TRACE("(%p)->(IID_IOleClientSite %p)\n", This, ppv);
        *ppv = &This->IOleClientSite_iface;
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    }else if(IsEqualGUID(&IID_IAdviseSink, riid)) {
        TRACE("(%p)->(IID_IAdviseSink %p)\n", This, ppv);
        *ppv = &This->IAdviseSinkEx_iface;
    }else if(IsEqualGUID(&IID_IAdviseSinkEx, riid)) {
        TRACE("(%p)->(IID_IAdviseSinkEx %p)\n", This, ppv);
        *ppv = &This->IAdviseSinkEx_iface;
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    }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
        TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppv);
        *ppv = &This->IPropertyNotifySink_iface;
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    }else if(IsEqualGUID(&IID_IDispatch, riid)) {
        TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
        *ppv = &This->IDispatch_iface;
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    }else if(IsEqualGUID(&IID_IOleWindow, riid)) {
        TRACE("(%p)->(IID_IOleWindow %p)\n", This, ppv);
        *ppv = &This->IOleInPlaceSiteEx_iface;
    }else if(IsEqualGUID(&IID_IOleInPlaceSite, riid)) {
        TRACE("(%p)->(IID_IOleInPlaceSite %p)\n", This, ppv);
        *ppv = &This->IOleInPlaceSiteEx_iface;
    }else if(IsEqualGUID(&IID_IOleInPlaceSiteEx, riid)) {
        TRACE("(%p)->(IID_IOleInPlaceSiteEx %p)\n", This, ppv);
        *ppv = &This->IOleInPlaceSiteEx_iface;
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    }else if(IsEqualGUID(&IID_IOleControlSite, riid)) {
        TRACE("(%p)->(IID_IOleControlSite %p)\n", This, ppv);
        *ppv = &This->IOleControlSite_iface;
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    }else if(IsEqualGUID(&IID_IBindHost, riid)) {
        TRACE("(%p)->(IID_IBindHost %p)\n", This, ppv);
        *ppv = &This->IBindHost_iface;
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    }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
        TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
        *ppv = &This->IServiceProvider_iface;
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    }else {
        WARN("Unsupported interface %s\n", debugstr_guid(riid));
        *ppv = NULL;
        return E_NOINTERFACE;
    }

    IOleClientSite_AddRef((IUnknown*)*ppv);
    return S_OK;
}

static ULONG WINAPI PHClientSite_AddRef(IOleClientSite *iface)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
    LONG ref = InterlockedIncrement(&This->ref);

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

    return ref;
}

static ULONG WINAPI PHClientSite_Release(IOleClientSite *iface)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
    LONG ref = InterlockedDecrement(&This->ref);

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

    if(!ref) {
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        if(This->disp)
            IDispatch_Release(This->disp);
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        if(This->ip_object)
            IOleInPlaceObject_Release(This->ip_object);
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        list_remove(&This->entry);
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        if(This->element)
            This->element->plugin_host = NULL;
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        if(This->plugin_unk)
            IUnknown_Release(This->plugin_unk);
        heap_free(This);
    }

    return ref;
}

static HRESULT WINAPI PHClientSite_SaveObject(IOleClientSite *iface)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHClientSite_GetMoniker(IOleClientSite *iface, DWORD dwAssign,
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        DWORD dwWhichMoniker, IMoniker **ppmk)
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{
    PluginHost *This = impl_from_IOleClientSite(iface);
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    TRACE("(%p)->(%d %d %p)\n", This, dwAssign, dwWhichMoniker, ppmk);

    switch(dwWhichMoniker) {
    case OLEWHICHMK_CONTAINER:
        if(!This->doc || !This->doc->basedoc.window || !This->doc->basedoc.window->mon) {
            FIXME("no moniker\n");
            return E_UNEXPECTED;
        }

        *ppmk = This->doc->basedoc.window->mon;
        IMoniker_AddRef(*ppmk);
        break;
    default:
        FIXME("which %d\n", dwWhichMoniker);
        return E_NOTIMPL;
    }

    return S_OK;
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}

static HRESULT WINAPI PHClientSite_GetContainer(IOleClientSite *iface, IOleContainer **ppContainer)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
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    TRACE("(%p)->(%p)\n", This, ppContainer);

    if(!This->doc) {
        ERR("Called on detached object\n");
        return E_UNEXPECTED;
    }

    *ppContainer = &This->doc->basedoc.IOleContainer_iface;
    IOleContainer_AddRef(*ppContainer);
    return S_OK;
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}

static HRESULT WINAPI PHClientSite_ShowObject(IOleClientSite *iface)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
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    TRACE("(%p)\n", This);

    return S_OK;
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}

static HRESULT WINAPI PHClientSite_OnShowWindow(IOleClientSite *iface, BOOL fShow)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
    FIXME("(%p)->(%x)\n", This, fShow);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHClientSite_RequestNewObjectLayout(IOleClientSite *iface)
{
    PluginHost *This = impl_from_IOleClientSite(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static const IOleClientSiteVtbl OleClientSiteVtbl = {
    PHClientSite_QueryInterface,
    PHClientSite_AddRef,
    PHClientSite_Release,
    PHClientSite_SaveObject,
    PHClientSite_GetMoniker,
    PHClientSite_GetContainer,
    PHClientSite_ShowObject,
    PHClientSite_OnShowWindow,
    PHClientSite_RequestNewObjectLayout
};

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static inline PluginHost *impl_from_IAdviseSinkEx(IAdviseSinkEx *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IAdviseSinkEx_iface);
}

static HRESULT WINAPI PHAdviseSinkEx_QueryInterface(IAdviseSinkEx *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHAdviseSinkEx_AddRef(IAdviseSinkEx *iface)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHAdviseSinkEx_Release(IAdviseSinkEx *iface)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static void WINAPI PHAdviseSinkEx_OnDataChange(IAdviseSinkEx *iface, FORMATETC *pFormatetc, STGMEDIUM *pStgMedium)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)->(%p %p)\n", This, pFormatetc, pStgMedium);
}

static void WINAPI PHAdviseSinkEx_OnViewChange(IAdviseSinkEx *iface, DWORD dwAspect, LONG lindex)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)->(%d %d)\n", This, dwAspect, lindex);
}

static void WINAPI PHAdviseSinkEx_OnRename(IAdviseSinkEx *iface, IMoniker *pmk)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)->(%p)\n", This, pmk);
}

static void WINAPI PHAdviseSinkEx_OnSave(IAdviseSinkEx *iface)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)\n", This);
}

static void WINAPI PHAdviseSinkEx_OnClose(IAdviseSinkEx *iface)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)\n", This);
}

static void WINAPI PHAdviseSinkEx_OnViewStatusChange(IAdviseSinkEx *iface, DWORD dwViewStatus)
{
    PluginHost *This = impl_from_IAdviseSinkEx(iface);
    FIXME("(%p)->(%d)\n", This, dwViewStatus);
}

static const IAdviseSinkExVtbl AdviseSinkExVtbl = {
    PHAdviseSinkEx_QueryInterface,
    PHAdviseSinkEx_AddRef,
    PHAdviseSinkEx_Release,
    PHAdviseSinkEx_OnDataChange,
    PHAdviseSinkEx_OnViewChange,
    PHAdviseSinkEx_OnRename,
    PHAdviseSinkEx_OnSave,
    PHAdviseSinkEx_OnClose,
    PHAdviseSinkEx_OnViewStatusChange
};

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static inline PluginHost *impl_from_IPropertyNotifySink(IPropertyNotifySink *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IPropertyNotifySink_iface);
}

static HRESULT WINAPI PHPropertyNotifySink_QueryInterface(IPropertyNotifySink *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IPropertyNotifySink(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHPropertyNotifySink_AddRef(IPropertyNotifySink *iface)
{
    PluginHost *This = impl_from_IPropertyNotifySink(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHPropertyNotifySink_Release(IPropertyNotifySink *iface)
{
    PluginHost *This = impl_from_IPropertyNotifySink(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHPropertyNotifySink_OnChanged(IPropertyNotifySink *iface, DISPID dispID)
{
    PluginHost *This = impl_from_IPropertyNotifySink(iface);
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    TRACE("(%p)->(%d)\n", This, dispID);

    switch(dispID) {
    case DISPID_READYSTATE:
        update_readystate(This);
        break;
    default :
        FIXME("Unimplemented dispID %d\n", dispID);
        return E_NOTIMPL;
    }

    return S_OK;
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}

static HRESULT WINAPI PHPropertyNotifySink_OnRequestEdit(IPropertyNotifySink *iface, DISPID dispID)
{
    PluginHost *This = impl_from_IPropertyNotifySink(iface);
    FIXME("(%p)->(%d)\n", This, dispID);
    return E_NOTIMPL;
}

static const IPropertyNotifySinkVtbl PropertyNotifySinkVtbl = {
    PHPropertyNotifySink_QueryInterface,
    PHPropertyNotifySink_AddRef,
    PHPropertyNotifySink_Release,
    PHPropertyNotifySink_OnChanged,
    PHPropertyNotifySink_OnRequestEdit
};

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static inline PluginHost *impl_from_IDispatch(IDispatch *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IDispatch_iface);
}

static HRESULT WINAPI PHDispatch_QueryInterface(IDispatch *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IDispatch(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHDispatch_AddRef(IDispatch *iface)
{
    PluginHost *This = impl_from_IDispatch(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHDispatch_Release(IDispatch *iface)
{
    PluginHost *This = impl_from_IDispatch(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHDispatch_GetTypeInfoCount(IDispatch *iface, UINT *pctinfo)
{
    PluginHost *This = impl_from_IDispatch(iface);
    FIXME("(%p)->(%p)\n", This, pctinfo);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHDispatch_GetTypeInfo(IDispatch *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    PluginHost *This = impl_from_IDispatch(iface);
    FIXME("(%p)->(%d %d %p)\n", This, iTInfo, lcid, ppTInfo);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHDispatch_GetIDsOfNames(IDispatch *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    PluginHost *This = impl_from_IDispatch(iface);
    FIXME("(%p)->(%s %p %d %d %p)\n", This, debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHDispatch_Invoke(IDispatch *iface, DISPID dispid,  REFIID riid, LCID lcid,
        WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    PluginHost *This = impl_from_IDispatch(iface);
    FIXME("(%p)->(%d %x %p %p)\n", This, dispid, wFlags, pDispParams, pVarResult);
    return E_NOTIMPL;
}

static const IDispatchVtbl DispatchVtbl = {
    PHDispatch_QueryInterface,
    PHDispatch_AddRef,
    PHDispatch_Release,
    PHDispatch_GetTypeInfoCount,
    PHDispatch_GetTypeInfo,
    PHDispatch_GetIDsOfNames,
    PHDispatch_Invoke
};

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static inline PluginHost *impl_from_IOleInPlaceSiteEx(IOleInPlaceSiteEx *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IOleInPlaceSiteEx_iface);
}

static HRESULT WINAPI PHInPlaceSite_QueryInterface(IOleInPlaceSiteEx *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHInPlaceSite_AddRef(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHInPlaceSite_Release(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHInPlaceSite_GetWindow(IOleInPlaceSiteEx *iface, HWND *phwnd)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
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    TRACE("(%p)->(%p)\n", This, phwnd);

    *phwnd = This->hwnd;
    return S_OK;
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}

static HRESULT WINAPI PHInPlaceSite_ContextSensitiveHelp(IOleInPlaceSiteEx *iface, BOOL fEnterMode)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)->(%x)\n", This, fEnterMode);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_CanInPlaceActivate(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_OnInPlaceActivate(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_OnUIActivate(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
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    DISPPARAMS args = {NULL, NULL, 0, 0};
    IDispatch *disp;
    ULONG err = 0;
    VARIANT res;
    HRESULT hres;

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

    if(!This->plugin_unk) {
        ERR("No plugin object\n");
        return E_UNEXPECTED;
    }

    This->ui_active = TRUE;

    hres = IUnknown_QueryInterface(This->plugin_unk, &IID_IDispatch, (void**)&disp);
    if(FAILED(hres)) {
        FIXME("Could not get IDispatch iface: %08x\n", hres);
        return hres;
    }

    V_VT(&res) = VT_EMPTY;
    hres = IDispatch_Invoke(disp, DISPID_ENABLED, &IID_NULL, 0/*FIXME*/, DISPATCH_PROPERTYGET, &args, &res, NULL, &err);
    IDispatch_Release(disp);
    if(SUCCEEDED(hres)) {
        FIXME("Got enabled %s\n", debugstr_variant(&res));
        VariantClear(&res);
    }

    return S_OK;
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}

static HRESULT WINAPI PHInPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
        IOleInPlaceFrame **ppFrame, IOleInPlaceUIWindow **ppDoc, RECT *lprcPosRect,
        RECT *lprcClipRect, OLEINPLACEFRAMEINFO *frame_info)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
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    IOleInPlaceUIWindow *ip_window;
    IOleInPlaceFrame *ip_frame;
    RECT pr, cr;
    HRESULT hres;

    TRACE("(%p)->(%p %p %p %p %p)\n", This, ppFrame, ppDoc, lprcPosRect, lprcClipRect, frame_info);

    if(!This->doc || !This->doc->basedoc.doc_obj || !This->doc->basedoc.doc_obj->ipsite) {
        FIXME("No ipsite\n");
        return E_UNEXPECTED;
    }

    hres = IOleInPlaceSite_GetWindowContext(This->doc->basedoc.doc_obj->ipsite, &ip_frame, &ip_window, &pr, &cr, frame_info);
    if(FAILED(hres)) {
        WARN("GetWindowContext failed: %08x\n", hres);
        return hres;
    }

    if(ip_window)
        IOleInPlaceUIWindow_Release(ip_window);
    if(ip_frame)
        IOleInPlaceFrame_Release(ip_frame);

    hres = create_ip_frame(&ip_frame);
    if(FAILED(hres))
        return hres;

    hres = create_ip_window(ppDoc);
    if(FAILED(hres))
        return hres;

    *ppFrame = ip_frame;
    *lprcPosRect = This->rect;
    *lprcClipRect = This->rect;
    return S_OK;
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}

static HRESULT WINAPI PHInPlaceSite_Scroll(IOleInPlaceSiteEx *iface, SIZE scrollExtent)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)->({%d %d})\n", This, scrollExtent.cx, scrollExtent.cy);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_OnUIDeactivate(IOleInPlaceSiteEx *iface, BOOL fUndoable)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)->(%x)\n", This, fUndoable);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_OnInPlaceDeactivate(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
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    TRACE("(%p)\n", This);

    if(This->ip_object) {
        IOleInPlaceObject_Release(This->ip_object);
        This->ip_object = NULL;
    }

    return S_OK;
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}

static HRESULT WINAPI PHInPlaceSite_DiscardUndoState(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_DeactivateAndUndo(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSite_OnPosRectChange(IOleInPlaceSiteEx *iface, LPCRECT lprcPosRect)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)->(%p)\n", This, lprcPosRect);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceActivateEx(IOleInPlaceSiteEx *iface, BOOL *pfNoRedraw, DWORD dwFlags)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
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    HWND hwnd;
    HRESULT hres;

    TRACE("(%p)->(%p %x)\n", This, pfNoRedraw, dwFlags);

    if(This->ip_object)
        return S_OK;

    hres = IUnknown_QueryInterface(This->plugin_unk, &IID_IOleInPlaceObject, (void**)&This->ip_object);
    if(FAILED(hres))
        return hres;

    hres = IOleInPlaceObject_GetWindow(This->ip_object, &hwnd);
    if(SUCCEEDED(hres))
        FIXME("Use hwnd %p\n", hwnd);

    *pfNoRedraw = FALSE;
    return S_OK;
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}

static HRESULT WINAPI PHInPlaceSiteEx_OnInPlaceDeactivateEx(IOleInPlaceSiteEx *iface, BOOL fNoRedraw)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)->(%x)\n", This, fNoRedraw);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHInPlaceSiteEx_RequestUIActivate(IOleInPlaceSiteEx *iface)
{
    PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static const IOleInPlaceSiteExVtbl OleInPlaceSiteExVtbl = {
    PHInPlaceSite_QueryInterface,
    PHInPlaceSite_AddRef,
    PHInPlaceSite_Release,
    PHInPlaceSite_GetWindow,
    PHInPlaceSite_ContextSensitiveHelp,
    PHInPlaceSite_CanInPlaceActivate,
    PHInPlaceSite_OnInPlaceActivate,
    PHInPlaceSite_OnUIActivate,
    PHInPlaceSite_GetWindowContext,
    PHInPlaceSite_Scroll,
    PHInPlaceSite_OnUIDeactivate,
    PHInPlaceSite_OnInPlaceDeactivate,
    PHInPlaceSite_DiscardUndoState,
    PHInPlaceSite_DeactivateAndUndo,
    PHInPlaceSite_OnPosRectChange,
    PHInPlaceSiteEx_OnInPlaceActivateEx,
    PHInPlaceSiteEx_OnInPlaceDeactivateEx,
    PHInPlaceSiteEx_RequestUIActivate
};

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static inline PluginHost *impl_from_IOleControlSite(IOleControlSite *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IOleControlSite_iface);
}

static HRESULT WINAPI PHControlSite_QueryInterface(IOleControlSite *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHControlSite_AddRef(IOleControlSite *iface)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHControlSite_Release(IOleControlSite *iface)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHControlSite_OnControlInfoChanged(IOleControlSite *iface)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_LockInPlaceActive(IOleControlSite *iface, BOOL fLock)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)->(%x)\n", This, fLock);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_GetExtendedControl(IOleControlSite *iface, IDispatch **ppDisp)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)->(%p)\n", This, ppDisp);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_TransformCoords(IOleControlSite *iface, POINTL *pPtlHimetric, POINTF *pPtfContainer, DWORD dwFlags)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)->(%p %p %x)\n", This, pPtlHimetric, pPtfContainer, dwFlags);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_TranslateAccelerator(IOleControlSite *iface, MSG *pMsg, DWORD grfModifiers)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)->(%x)\n", This, grfModifiers);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_OnFocus(IOleControlSite *iface, BOOL fGotFocus)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)->(%x)\n", This, fGotFocus);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHControlSite_ShowPropertyFrame(IOleControlSite *iface)
{
    PluginHost *This = impl_from_IOleControlSite(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static const IOleControlSiteVtbl OleControlSiteVtbl = {
    PHControlSite_QueryInterface,
    PHControlSite_AddRef,
    PHControlSite_Release,
    PHControlSite_OnControlInfoChanged,
    PHControlSite_LockInPlaceActive,
    PHControlSite_GetExtendedControl,
    PHControlSite_TransformCoords,
    PHControlSite_TranslateAccelerator,
    PHControlSite_OnFocus,
    PHControlSite_ShowPropertyFrame
};

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static inline PluginHost *impl_from_IBindHost(IBindHost *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IBindHost_iface);
}

static HRESULT WINAPI PHBindHost_QueryInterface(IBindHost *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IBindHost(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHBindHost_AddRef(IBindHost *iface)
{
    PluginHost *This = impl_from_IBindHost(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHBindHost_Release(IBindHost *iface)
{
    PluginHost *This = impl_from_IBindHost(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHBindHost_CreateMoniker(IBindHost *iface, LPOLESTR szName, IBindCtx *pBC, IMoniker **ppmk, DWORD dwReserved)
{
    PluginHost *This = impl_from_IBindHost(iface);
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    TRACE("(%p)->(%s %p %p %x)\n", This, debugstr_w(szName), pBC, ppmk, dwReserved);

    if(!This->doc || !This->doc->basedoc.window || !This->doc->basedoc.window->mon) {
        FIXME("no moniker\n");
        return E_UNEXPECTED;
    }

    return CreateURLMoniker(This->doc->basedoc.window->mon, szName, ppmk);
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}

static HRESULT WINAPI PHBindHost_MonikerBindToStorage(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
        IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
{
    PluginHost *This = impl_from_IBindHost(iface);
    FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
    return E_NOTIMPL;
}

static HRESULT WINAPI PHBindHost_MonikerBindToObject(IBindHost *iface, IMoniker *pMk, IBindCtx *pBC,
        IBindStatusCallback *pBSC, REFIID riid, void **ppvObj)
{
    PluginHost *This = impl_from_IBindHost(iface);
    FIXME("(%p)->(%p %p %p %s %p)\n", This, pMk, pBC, pBSC, debugstr_guid(riid), ppvObj);
    return E_NOTIMPL;
}

static const IBindHostVtbl BindHostVtbl = {
    PHBindHost_QueryInterface,
    PHBindHost_AddRef,
    PHBindHost_Release,
    PHBindHost_CreateMoniker,
    PHBindHost_MonikerBindToStorage,
    PHBindHost_MonikerBindToObject
};

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static inline PluginHost *impl_from_IServiceProvider(IServiceProvider *iface)
{
    return CONTAINING_RECORD(iface, PluginHost, IServiceProvider_iface);
}

static HRESULT WINAPI PHServiceProvider_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IServiceProvider(iface);
    return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
}

static ULONG WINAPI PHServiceProvider_AddRef(IServiceProvider *iface)
{
    PluginHost *This = impl_from_IServiceProvider(iface);
    return IOleClientSite_AddRef(&This->IOleClientSite_iface);
}

static ULONG WINAPI PHServiceProvider_Release(IServiceProvider *iface)
{
    PluginHost *This = impl_from_IServiceProvider(iface);
    return IOleClientSite_Release(&This->IOleClientSite_iface);
}

static HRESULT WINAPI PHServiceProvider_QueryService(IServiceProvider *iface, REFGUID guidService, REFIID riid, void **ppv)
{
    PluginHost *This = impl_from_IServiceProvider(iface);
1206 1207 1208 1209 1210 1211

    if(IsEqualGUID(guidService, &SID_SBindHost)) {
        TRACE("SID_SBindHost service\n");
        return IOleClientSite_QueryInterface(&This->IOleClientSite_iface, riid, ppv);
    }

1212 1213 1214 1215 1216 1217 1218
    TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);

    if(!This->doc || !This->doc->basedoc.window) {
        *ppv = NULL;
        return E_NOINTERFACE;
    }

1219 1220
    return IServiceProvider_QueryService(&This->doc->basedoc.window->IServiceProvider_iface,
            guidService, riid, ppv);
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}

static const IServiceProviderVtbl ServiceProviderVtbl = {
    PHServiceProvider_QueryInterface,
    PHServiceProvider_AddRef,
    PHServiceProvider_Release,
    PHServiceProvider_QueryService
};

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static HRESULT assoc_element(PluginHost *host, HTMLDocumentNode *doc, nsIDOMElement *nselem)
{
    HTMLPluginContainer *container_elem;
    HTMLDOMNode *node;
    HRESULT hres;

    hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
    if(FAILED(hres))
        return hres;

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    hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_HTMLPluginContainer,
            (void**)&container_elem);
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    if(FAILED(hres)) {
        ERR("Not an object element\n");
        return hres;
    }

    container_elem->plugin_host = host;
    host->element = container_elem;
    return S_OK;
}

1252
void detach_plugin_host(PluginHost *host)
1253
{
1254 1255 1256 1257 1258 1259 1260
    HRESULT hres;

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

    if(!host->doc)
        return;

1261 1262 1263
    if(host->ip_object) {
        if(host->ui_active)
            IOleInPlaceObject_UIDeactivate(host->ip_object);
1264
        IOleInPlaceObject_InPlaceDeactivate(host->ip_object);
1265
    }
1266

1267 1268 1269 1270 1271 1272 1273 1274 1275 1276
    if(host->plugin_unk) {
        IOleObject *ole_obj;

        hres = IUnknown_QueryInterface(host->plugin_unk, &IID_IOleObject, (void**)&ole_obj);
        if(SUCCEEDED(hres)) {
            if(!host->ip_object)
                IOleObject_Close(ole_obj, OLECLOSE_NOSAVE);
            IOleObject_SetClientSite(ole_obj, NULL);
            IOleObject_Release(ole_obj);
        }
1277
    }
1278 1279 1280 1281 1282 1283 1284

    if(host->element) {
        host->element->plugin_host = NULL;
        host->element = NULL;
    }

    list_remove(&host->entry);
1285
    list_init(&host->entry);
1286
    host->doc = NULL;
1287 1288
}

1289
HRESULT create_plugin_host(HTMLDocumentNode *doc, nsIDOMElement *nselem, IUnknown *unk, const CLSID *clsid, PluginHost **ret)
1290 1291
{
    PluginHost *host;
1292
    HRESULT hres;
1293 1294 1295 1296 1297

    host = heap_alloc_zero(sizeof(*host));
    if(!host)
        return E_OUTOFMEMORY;

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    host->IOleClientSite_iface.lpVtbl      = &OleClientSiteVtbl;
    host->IAdviseSinkEx_iface.lpVtbl       = &AdviseSinkExVtbl;
    host->IPropertyNotifySink_iface.lpVtbl = &PropertyNotifySinkVtbl;
1301
    host->IDispatch_iface.lpVtbl           = &DispatchVtbl;
1302
    host->IOleInPlaceSiteEx_iface.lpVtbl   = &OleInPlaceSiteExVtbl;
1303
    host->IOleControlSite_iface.lpVtbl     = &OleControlSiteVtbl;
1304
    host->IBindHost_iface.lpVtbl           = &BindHostVtbl;
1305
    host->IServiceProvider_iface.lpVtbl    = &ServiceProviderVtbl;
1306 1307 1308

    host->ref = 1;

1309 1310 1311 1312 1313 1314
    hres = assoc_element(host, doc, nselem);
    if(FAILED(hres)) {
        heap_free(host);
        return hres;
    }

1315 1316
    IUnknown_AddRef(unk);
    host->plugin_unk = unk;
1317
    host->clsid = *clsid;
1318

1319 1320 1321
    host->doc = doc;
    list_add_tail(&doc->plugin_hosts, &host->entry);

1322 1323 1324
    *ret = host;
    return S_OK;
}