text: /*
   * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "config.h"
  
  #include <stdarg.h>
  #include <stdio.h>
  
  #define COBJMACROS
  
  #include "windef.h"
  #include "winbase.h"
  #include "winuser.h"
  #include "ole2.h"
  #include "shlguid.h"
  #include "idispids.h"
  #include "mimeole.h"
  #include "shellapi.h"
  
  #define NO_SHLWAPI_REG
  #include "shlwapi.h"
  
  #include "wine/debug.h"
  
  #include "mshtml_private.h"
  #include "htmlscript.h"
  #include "htmlevent.h"
  #include "binding.h"
  #include "resource.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  
  /* Undocumented notification, see tests */
  #define CMDID_EXPLORER_UPDATEHISTORY 38
  
  static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
  
  typedef struct {
      task_t header;
      HTMLDocumentObj *doc;
      BOOL set_download;
      LPOLESTR url;
  } download_proc_task_t;
  
  static BOOL use_gecko_script(HTMLOuterWindow *window)
  {
      DWORD zone;
      HRESULT hres;
  
      hres = IInternetSecurityManager_MapUrlToZone(window->secmgr, window->url, &zone, 0);
      if(FAILED(hres)) {
          WARN("Could not map %s to zone: %08x\n", debugstr_w(window->url), hres);
          return TRUE;
      }
  
      TRACE("zone %d\n", zone);
      return zone == URLZONE_UNTRUSTED;
  }
  
  static void notify_travellog_update(HTMLDocumentObj *doc)
  {
      IOleCommandTarget *cmdtrg;
      HRESULT hres;
  
      if(!doc->webbrowser)
          return;
  
      hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&cmdtrg);
      if(SUCCEEDED(hres)) {
          VARIANT vin;
  
          V_VT(&vin) = VT_I4;
          V_I4(&vin) = 0;
  
          IOleCommandTarget_Exec(cmdtrg, &CGID_Explorer, CMDID_EXPLORER_UPDATEHISTORY, 0, &vin, NULL);
          IOleCommandTarget_Release(cmdtrg);
      }
  }
  
  void set_current_uri(HTMLOuterWindow *window, IUri *uri)
  {
      if(window->uri) {
          IUri_Release(window->uri);
          window->uri = NULL;
      }
  
      if(window->uri_nofrag) {
          IUri_Release(window->uri_nofrag);
          window->uri_nofrag = NULL;
      }
  
      SysFreeString(window->url);
      window->url = NULL;
  
      if(!uri)
          return;
  
      IUri_AddRef(uri);
      window->uri = uri;
  
      window->uri_nofrag = get_uri_nofrag(uri);
      if(!window->uri_nofrag) {
          FIXME("get_uri_nofrag failed\n");
          IUri_AddRef(uri);
          window->uri_nofrag = uri;
      }
  
      IUri_GetDisplayUri(uri, &window->url);
  }
  
  void set_current_mon(HTMLOuterWindow *This, IMoniker *mon, DWORD flags)
  {
      IUriContainer *uri_container;
      IUri *uri = NULL;
      HRESULT hres;
  
      if(This->mon) {
          if(This->doc_obj && !(flags & (BINDING_REPLACE|BINDING_REFRESH))) {
              if(This == This->doc_obj->basedoc.window)
                  notify_travellog_update(This->doc_obj);
              else
                  TRACE("Skipping travellog update for frame navigation.\n");
          }
          IMoniker_Release(This->mon);
          This->mon = NULL;
      }
  
      This->load_flags = flags;
      if(!mon)
          return;
  
      IMoniker_AddRef(mon);
      This->mon = mon;
  
      hres = IMoniker_QueryInterface(mon, &IID_IUriContainer, (void**)&uri_container);
      if(SUCCEEDED(hres)) {
          hres = IUriContainer_GetIUri(uri_container, &uri);
          IUriContainer_Release(uri_container);
          if(hres != S_OK) {
              WARN("GetIUri failed: %08x\n", hres);
              uri = NULL;
          }
      }
  
      if(!uri) {
          WCHAR *url;
  
          hres = IMoniker_GetDisplayName(mon, NULL, NULL, &url);
          if(SUCCEEDED(hres)) {
              hres = create_uri(url, 0, &uri);
              if(FAILED(hres)) {
                  WARN("CreateUri failed: %08x\n", hres);
                  set_current_uri(This, NULL);
                  This->url = SysAllocString(url);
                  CoTaskMemFree(url);
                  return;
              }
              CoTaskMemFree(url);
          }else {
              WARN("GetDisplayName failed: %08x\n", hres);
          }
      }
  
      set_current_uri(This, uri);
      if(uri)
          IUri_Release(uri);
      set_script_mode(This, use_gecko_script(This) ? SCRIPTMODE_GECKO : SCRIPTMODE_ACTIVESCRIPT);
  }
  
  HRESULT create_uri(const WCHAR *uri_str, DWORD flags, IUri **uri)
  {
      return CreateUri(uri_str, flags | Uri_CREATE_ALLOW_IMPLICIT_FILE_SCHEME, 0, uri);
  }
  
  HRESULT create_relative_uri(HTMLOuterWindow *window, const WCHAR *rel_uri, IUri **uri)
  {
      return window->uri
          ? CoInternetCombineUrlEx(window->uri, rel_uri, URL_ESCAPE_SPACES_ONLY|URL_DONT_ESCAPE_EXTRA_INFO, uri, 0)
          : create_uri(rel_uri, 0, uri);
  }
  
  void set_download_state(HTMLDocumentObj *doc, int state)
  {
      if(doc->client) {
          IOleCommandTarget *olecmd;
          HRESULT hres;
  
          hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
          if(SUCCEEDED(hres)) {
              VARIANT var;
  
              V_VT(&var) = VT_I4;
              V_I4(&var) = state;
  
              IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE,
                      OLECMDEXECOPT_DONTPROMPTUSER, &var, NULL);
              IOleCommandTarget_Release(olecmd);
          }
      }
  
      doc->download_state = state;
  }
  
  static void set_progress_proc(task_t *_task)
  {
      docobj_task_t *task = (docobj_task_t*)_task;
      IOleCommandTarget *olecmd = NULL;
      HTMLDocumentObj *doc = task->doc;
      HRESULT hres;
  
      TRACE("(%p)\n", doc);
  
      if(doc->client)
          IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
  
      if(olecmd) {
          VARIANT progress_max, progress;
  
          V_VT(&progress_max) = VT_I4;
          V_I4(&progress_max) = 0; /* FIXME */
          IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
                                 &progress_max, NULL);
  
          V_VT(&progress) = VT_I4;
          V_I4(&progress) = 0; /* FIXME */
          IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
                                 &progress, NULL);
          IOleCommandTarget_Release(olecmd);
      }
  
      if(doc->usermode == EDITMODE && doc->hostui) {
          DOCHOSTUIINFO hostinfo;
  
          memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
          hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
          hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
          if(SUCCEEDED(hres))
              /* FIXME: use hostinfo */
              TRACE("hostinfo = {%u %08x %08x %s %s}\n",
                      hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
                      debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
      }
  }
  
  static void set_downloading_proc(task_t *_task)
  {
      download_proc_task_t *task = (download_proc_task_t*)_task;
      HTMLDocumentObj *doc = task->doc;
      HRESULT hres;
  
      TRACE("(%p)\n", doc);
  
      set_statustext(doc, IDS_STATUS_DOWNLOADINGFROM, task->url);
  
      if(task->set_download)
          set_download_state(doc, 1);
  
      if(!doc->client)
          return;
  
      if(doc->view_sink)
          IAdviseSink_OnViewChange(doc->view_sink, DVASPECT_CONTENT, -1);
  
      if(doc->hostui) {
          IDropTarget *drop_target = NULL;
  
          hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
          if(SUCCEEDED(hres) && drop_target) {
              FIXME("Use IDropTarget\n");
              IDropTarget_Release(drop_target);
          }
      }
  }
  
  static void set_downloading_task_destr(task_t *_task)
  {
      download_proc_task_t *task = (download_proc_task_t*)_task;
  
      CoTaskMemFree(task->url);
      heap_free(task);
  }
  
  void prepare_for_binding(HTMLDocument *This, IMoniker *mon, DWORD flags)
  {
      HRESULT hres;
  
      if(This->doc_obj->client) {
          VARIANT silent, offline;
  
          hres = get_client_disp_property(This->doc_obj->client, DISPID_AMBIENT_SILENT, &silent);
          if(SUCCEEDED(hres)) {
              if(V_VT(&silent) != VT_BOOL)
                  WARN("silent = %s\n", debugstr_variant(&silent));
              else if(V_BOOL(&silent))
                  FIXME("silent == true\n");
          }
  
          hres = get_client_disp_property(This->doc_obj->client,
                  DISPID_AMBIENT_OFFLINEIFNOTCONNECTED, &offline);
          if(SUCCEEDED(hres)) {
              if(V_VT(&offline) != VT_BOOL)
                  WARN("offline = %s\n", debugstr_variant(&offline));
              else if(V_BOOL(&offline))
                  FIXME("offline == true\n");
          }
      }
  
      if(This->window->mon) {
          update_doc(This->doc_obj, UPDATE_TITLE|UPDATE_UI);
      }else {
          update_doc(This->doc_obj, UPDATE_TITLE);
          set_current_mon(This->window, mon, flags);
      }
  
      if(This->doc_obj->client) {
          IOleCommandTarget *cmdtrg = NULL;
  
          hres = IOleClientSite_QueryInterface(This->doc_obj->client, &IID_IOleCommandTarget,
                  (void**)&cmdtrg);
          if(SUCCEEDED(hres)) {
              VARIANT var, out;
  
              if(flags & BINDING_NAVIGATED) {
                  V_VT(&var) = VT_UNKNOWN;
                  V_UNKNOWN(&var) = (IUnknown*)&This->window->base.IHTMLWindow2_iface;
                  V_VT(&out) = VT_EMPTY;
                  hres = IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 63, 0, &var, &out);
                  if(SUCCEEDED(hres))
                      VariantClear(&out);
              }else if(!(flags & BINDING_FROMHIST)) {
                  V_VT(&var) = VT_I4;
                  V_I4(&var) = 0;
                  IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 37, 0, &var, NULL);
              }
  
              IOleCommandTarget_Release(cmdtrg);
          }
      }
  }
  
  HRESULT set_moniker(HTMLOuterWindow *window, IMoniker *mon, IUri *nav_uri, IBindCtx *pibc, nsChannelBSC *async_bsc,
          BOOL set_download)
  {
      download_proc_task_t *download_task;
      HTMLDocumentObj *doc_obj = NULL;
      nsChannelBSC *bscallback;
      nsWineURI *nsuri;
      LPOLESTR url;
      IUri *uri;
      HRESULT hres;
  
      if(window->doc_obj && window->doc_obj->basedoc.window == window)
          doc_obj = window->doc_obj;
  
      hres = IMoniker_GetDisplayName(mon, pibc, NULL, &url);
      if(FAILED(hres)) {
          WARN("GetDiaplayName failed: %08x\n", hres);
          return hres;
      }
  
      if(nav_uri) {
          uri = nav_uri;
      }else {
          hres = create_uri(url, 0, &uri);
          if(FAILED(hres)) {
              CoTaskMemFree(url);
              return hres;
          }
      }
  
      TRACE("got url: %s\n", debugstr_w(url));
  
      set_ready_state(window, READYSTATE_LOADING);
  
      hres = create_doc_uri(window, uri, &nsuri);
      if(!nav_uri)
          IUri_Release(uri);
      if(SUCCEEDED(hres)) {
          if(async_bsc)
              bscallback = async_bsc;
          else
              hres = create_channelbsc(mon, NULL, NULL, 0, TRUE, &bscallback);
      }
  
      if(SUCCEEDED(hres)) {
          if(window->base.inner_window->doc)
              remove_target_tasks(window->base.inner_window->task_magic);
          abort_window_bindings(window->base.inner_window);
  
          hres = load_nsuri(window, nsuri, NULL, bscallback, LOAD_FLAGS_BYPASS_CACHE);
          nsISupports_Release((nsISupports*)nsuri); /* FIXME */
          if(SUCCEEDED(hres)) {
              hres = create_pending_window(window, bscallback);
              TRACE("pending window for %p %p %p\n", window, bscallback, window->pending_window);
          }
          if(bscallback != async_bsc)
              IBindStatusCallback_Release(&bscallback->bsc.IBindStatusCallback_iface);
      }
  
      if(FAILED(hres)) {
          CoTaskMemFree(url);
          return hres;
      }
  
      if(doc_obj) {
          HTMLDocument_LockContainer(doc_obj, TRUE);
  
          if(doc_obj->frame) {
              docobj_task_t *task;
  
              task = heap_alloc(sizeof(docobj_task_t));
              task->doc = doc_obj;
              hres = push_task(&task->header, set_progress_proc, NULL, doc_obj->task_magic);
              if(FAILED(hres)) {
                  CoTaskMemFree(url);
                  return hres;
              }
          }
  
          download_task = heap_alloc(sizeof(download_proc_task_t));
          download_task->doc = doc_obj;
          download_task->set_download = set_download;
          download_task->url = url;
          return push_task(&download_task->header, set_downloading_proc, set_downloading_task_destr, doc_obj->task_magic);
      }
  
      return S_OK;
  }
  
  static void notif_readystate(HTMLOuterWindow *window)
  {
      DOMEvent *event;
      HRESULT hres;
  
      window->readystate_pending = FALSE;
  
      if(window->doc_obj && window->doc_obj->basedoc.window == window)
          call_property_onchanged(&window->doc_obj->basedoc.cp_container, DISPID_READYSTATE);
  
      hres = create_document_event(window->base.inner_window->doc, EVENTID_READYSTATECHANGE, &event);
      if(SUCCEEDED(hres)) {
          event->no_event_obj = TRUE;
          dispatch_event(&window->base.inner_window->doc->node.event_target, event);
          IDOMEvent_Release(&event->IDOMEvent_iface);
      }
  
      if(window->frame_element) {
          hres = create_document_event(window->frame_element->element.node.doc, EVENTID_READYSTATECHANGE, &event);
          if(SUCCEEDED(hres)) {
              dispatch_event(&window->frame_element->element.node.event_target, event);
              IDOMEvent_Release(&event->IDOMEvent_iface);
          }
      }
  }
  
  typedef struct {
      task_t header;
      HTMLOuterWindow *window;
  } readystate_task_t;
  
  static void notif_readystate_proc(task_t *_task)
  {
      readystate_task_t *task = (readystate_task_t*)_task;
      notif_readystate(task->window);
  }
  
  static void notif_readystate_destr(task_t *_task)
  {
      readystate_task_t *task = (readystate_task_t*)_task;
      IHTMLWindow2_Release(&task->window->base.IHTMLWindow2_iface);
  }
  
  void set_ready_state(HTMLOuterWindow *window, READYSTATE readystate)
  {
      READYSTATE prev_state = window->readystate;
  
      window->readystate = readystate;
  
      if(window->readystate_locked) {
          readystate_task_t *task;
          HRESULT hres;
  
          if(window->readystate_pending || prev_state == readystate)
              return;
  
          task = heap_alloc(sizeof(*task));
          if(!task)
              return;
  
          IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
          task->window = window;
  
          hres = push_task(&task->header, notif_readystate_proc, notif_readystate_destr, window->task_magic);
          if(SUCCEEDED(hres))
              window->readystate_pending = TRUE;
          return;
      }
  
      notif_readystate(window);
  }
  
  static HRESULT get_doc_string(HTMLDocumentNode *This, char **str)
  {
      nsIDOMNode *nsnode;
      LPCWSTR strw;
      nsAString nsstr;
      nsresult nsres;
      HRESULT hres;
  
      if(!This->nsdoc) {
          WARN("NULL nsdoc\n");
          return E_UNEXPECTED;
      }
  
      nsres = nsIDOMHTMLDocument_QueryInterface(This->nsdoc, &IID_nsIDOMNode, (void**)&nsnode);
      if(NS_FAILED(nsres)) {
          ERR("Could not get nsIDOMNode failed: %08x\n", nsres);
          return E_FAIL;
      }
  
      nsAString_Init(&nsstr, NULL);
      hres = nsnode_to_nsstring(nsnode, &nsstr);
      nsIDOMNode_Release(nsnode);
      if(FAILED(hres)) {
          nsAString_Finish(&nsstr);
          return hres;
      }
  
      nsAString_GetData(&nsstr, &strw);
      TRACE("%s\n", debugstr_w(strw));
  
      *str = heap_strdupWtoA(strw);
  
      nsAString_Finish(&nsstr);
  
      if(!*str)
          return E_OUTOFMEMORY;
      return S_OK;
  }
  
  
  /**********************************************************
   * IPersistMoniker implementation
   */
  
  static inline HTMLDocument *impl_from_IPersistMoniker(IPersistMoniker *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IPersistMoniker_iface);
  }
  
  static HRESULT WINAPI PersistMoniker_QueryInterface(IPersistMoniker *iface, REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI PersistMoniker_AddRef(IPersistMoniker *iface)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI PersistMoniker_Release(IPersistMoniker *iface)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI PersistMoniker_GetClassID(IPersistMoniker *iface, CLSID *pClassID)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      return IPersistFile_GetClassID(&This->IPersistFile_iface, pClassID);
  }
  
  static HRESULT WINAPI PersistMoniker_IsDirty(IPersistMoniker *iface)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
  
      TRACE("(%p)\n", This);
  
      return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
  }
  
  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);
  }
  
  static HRESULT WINAPI PersistMoniker_Save(IPersistMoniker *iface, IMoniker *pimkName,
          LPBC pbc, BOOL fRemember)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      FIXME("(%p)->(%p %p %x)\n", This, pimkName, pbc, fRemember);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistMoniker_SaveCompleted(IPersistMoniker *iface, IMoniker *pimkName, LPBC pibc)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
      FIXME("(%p)->(%p %p)\n", This, pimkName, pibc);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistMoniker_GetCurMoniker(IPersistMoniker *iface, IMoniker **ppimkName)
  {
      HTMLDocument *This = impl_from_IPersistMoniker(iface);
  
      TRACE("(%p)->(%p)\n", This, ppimkName);
  
      if(!This->window || !This->window->mon)
          return E_UNEXPECTED;
  
      IMoniker_AddRef(This->window->mon);
      *ppimkName = This->window->mon;
      return S_OK;
  }
  
  static const IPersistMonikerVtbl PersistMonikerVtbl = {
      PersistMoniker_QueryInterface,
      PersistMoniker_AddRef,
      PersistMoniker_Release,
      PersistMoniker_GetClassID,
      PersistMoniker_IsDirty,
      PersistMoniker_Load,
      PersistMoniker_Save,
      PersistMoniker_SaveCompleted,
      PersistMoniker_GetCurMoniker
  };
  
  /**********************************************************
   * IMonikerProp implementation
   */
  
  static inline HTMLDocument *impl_from_IMonikerProp(IMonikerProp *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IMonikerProp_iface);
  }
  
  static HRESULT WINAPI MonikerProp_QueryInterface(IMonikerProp *iface, REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IMonikerProp(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI MonikerProp_AddRef(IMonikerProp *iface)
  {
      HTMLDocument *This = impl_from_IMonikerProp(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI MonikerProp_Release(IMonikerProp *iface)
  {
      HTMLDocument *This = impl_from_IMonikerProp(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI MonikerProp_PutProperty(IMonikerProp *iface, MONIKERPROPERTY mkp, LPCWSTR val)
  {
      HTMLDocument *This = impl_from_IMonikerProp(iface);
  
      TRACE("(%p)->(%d %s)\n", This, mkp, debugstr_w(val));
  
      switch(mkp) {
      case MIMETYPEPROP:
          heap_free(This->doc_obj->mime);
          This->doc_obj->mime = heap_strdupW(val);
          break;
  
      case CLASSIDPROP:
          break;
  
      default:
          FIXME("mkp %d\n", mkp);
          return E_NOTIMPL;
      }
  
      return S_OK;
  }
  
  static const IMonikerPropVtbl MonikerPropVtbl = {
      MonikerProp_QueryInterface,
      MonikerProp_AddRef,
      MonikerProp_Release,
      MonikerProp_PutProperty
  };
  
  /**********************************************************
   * IPersistFile implementation
   */
  
  static inline HTMLDocument *impl_from_IPersistFile(IPersistFile *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IPersistFile_iface);
  }
  
  static HRESULT WINAPI PersistFile_QueryInterface(IPersistFile *iface, REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI PersistFile_AddRef(IPersistFile *iface)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI PersistFile_Release(IPersistFile *iface)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI PersistFile_GetClassID(IPersistFile *iface, CLSID *pClassID)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
  
      TRACE("(%p)->(%p)\n", This, pClassID);
  
      if(!pClassID)
          return E_INVALIDARG;
  
      *pClassID = CLSID_HTMLDocument;
      return S_OK;
  }
  
  static HRESULT WINAPI PersistFile_IsDirty(IPersistFile *iface)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
  
      TRACE("(%p)\n", This);
  
      return IPersistStreamInit_IsDirty(&This->IPersistStreamInit_iface);
  }
  
  static HRESULT WINAPI PersistFile_Load(IPersistFile *iface, LPCOLESTR pszFileName, DWORD dwMode)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      FIXME("(%p)->(%s %08x)\n", This, debugstr_w(pszFileName), dwMode);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistFile_Save(IPersistFile *iface, LPCOLESTR pszFileName, BOOL fRemember)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      char *str;
      DWORD written=0;
      HANDLE file;
      HRESULT hres;
  
      TRACE("(%p)->(%s %x)\n", This, debugstr_w(pszFileName), fRemember);
  
      file = CreateFileW(pszFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
                         FILE_ATTRIBUTE_NORMAL, NULL);
      if(file == INVALID_HANDLE_VALUE) {
          WARN("Could not create file: %u\n", GetLastError());
          return E_FAIL;
      }
  
      hres = get_doc_string(This->doc_node, &str);
      if(SUCCEEDED(hres))
          WriteFile(file, str, strlen(str), &written, NULL);
  
      CloseHandle(file);
      return hres;
  }
  
  static HRESULT WINAPI PersistFile_SaveCompleted(IPersistFile *iface, LPCOLESTR pszFileName)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      FIXME("(%p)->(%s)\n", This, debugstr_w(pszFileName));
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistFile_GetCurFile(IPersistFile *iface, LPOLESTR *pszFileName)
  {
      HTMLDocument *This = impl_from_IPersistFile(iface);
      FIXME("(%p)->(%p)\n", This, pszFileName);
      return E_NOTIMPL;
  }
  
  static const IPersistFileVtbl PersistFileVtbl = {
      PersistFile_QueryInterface,
      PersistFile_AddRef,
      PersistFile_Release,
      PersistFile_GetClassID,
      PersistFile_IsDirty,
      PersistFile_Load,
      PersistFile_Save,
      PersistFile_SaveCompleted,
      PersistFile_GetCurFile
  };
  
  static inline HTMLDocument *impl_from_IPersistStreamInit(IPersistStreamInit *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IPersistStreamInit_iface);
  }
  
  static HRESULT WINAPI PersistStreamInit_QueryInterface(IPersistStreamInit *iface,
                                                         REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI PersistStreamInit_AddRef(IPersistStreamInit *iface)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI PersistStreamInit_Release(IPersistStreamInit *iface)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      return IPersistFile_GetClassID(&This->IPersistFile_iface, pClassID);
  }
  
  static HRESULT WINAPI PersistStreamInit_IsDirty(IPersistStreamInit *iface)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
  
      TRACE("(%p)\n", This);
  
      if(This->doc_obj->usermode == EDITMODE)
          return editor_is_dirty(This);
  
      return S_FALSE;
  }
  
  static HRESULT WINAPI PersistStreamInit_Load(IPersistStreamInit *iface, IStream *pStm)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      IMoniker *mon;
      HRESULT hres;
  
      TRACE("(%p)->(%p)\n", This, pStm);
  
      hres = CreateURLMoniker(NULL, about_blankW, &mon);
      if(FAILED(hres)) {
          WARN("CreateURLMoniker failed: %08x\n", hres);
          return hres;
      }
  
      prepare_for_binding(This, mon, FALSE);
      hres = set_moniker(This->window, mon, NULL, NULL, NULL, TRUE);
      if(SUCCEEDED(hres))
          hres = channelbsc_load_stream(This->window->pending_window, mon, pStm);
  
      IMoniker_Release(mon);
      return hres;
  }
  
  static HRESULT WINAPI PersistStreamInit_Save(IPersistStreamInit *iface, IStream *pStm,
                                               BOOL fClearDirty)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      char *str;
      DWORD written=0;
      HRESULT hres;
  
      TRACE("(%p)->(%p %x)\n", This, pStm, fClearDirty);
  
      hres = get_doc_string(This->doc_node, &str);
      if(FAILED(hres))
          return hres;
  
      hres = IStream_Write(pStm, str, strlen(str), &written);
      if(FAILED(hres))
          FIXME("Write failed: %08x\n", hres);
  
      heap_free(str);
  
      if(fClearDirty)
          set_dirty(This, VARIANT_FALSE);
  
      return S_OK;
  }
  
  static HRESULT WINAPI PersistStreamInit_GetSizeMax(IPersistStreamInit *iface,
                                                     ULARGE_INTEGER *pcbSize)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      FIXME("(%p)->(%p)\n", This, pcbSize);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistStreamInit_InitNew(IPersistStreamInit *iface)
  {
      HTMLDocument *This = impl_from_IPersistStreamInit(iface);
      IMoniker *mon;
      HRESULT hres;
  
      TRACE("(%p)\n", This);
  
      hres = CreateURLMoniker(NULL, about_blankW, &mon);
      if(FAILED(hres)) {
          WARN("CreateURLMoniker failed: %08x\n", hres);
          return hres;
      }
  
      prepare_for_binding(This, mon, FALSE);
      hres = set_moniker(This->window, mon, NULL, NULL, NULL, FALSE);
      if(SUCCEEDED(hres))
          hres = channelbsc_load_stream(This->window->pending_window, mon, NULL);
  
      IMoniker_Release(mon);
      return hres;
  }
  
  static const IPersistStreamInitVtbl PersistStreamInitVtbl = {
      PersistStreamInit_QueryInterface,
      PersistStreamInit_AddRef,
      PersistStreamInit_Release,
      PersistStreamInit_GetClassID,
      PersistStreamInit_IsDirty,
      PersistStreamInit_Load,
      PersistStreamInit_Save,
      PersistStreamInit_GetSizeMax,
      PersistStreamInit_InitNew
  };
  
  /**********************************************************
   * IPersistHistory implementation
   */
  
  static inline HTMLDocument *impl_from_IPersistHistory(IPersistHistory *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IPersistHistory_iface);
  }
  
  static HRESULT WINAPI PersistHistory_QueryInterface(IPersistHistory *iface, REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI PersistHistory_AddRef(IPersistHistory *iface)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI PersistHistory_Release(IPersistHistory *iface)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI PersistHistory_GetClassID(IPersistHistory *iface, CLSID *pClassID)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      return IPersistFile_GetClassID(&This->IPersistFile_iface, pClassID);
  }
  
  static HRESULT WINAPI PersistHistory_LoadHistory(IPersistHistory *iface, IStream *pStream, IBindCtx *pbc)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      ULONG str_len, read;
      WCHAR *uri_str;
      IUri *uri;
      HRESULT hres;
  
      TRACE("(%p)->(%p %p)\n", This, pStream, pbc);
  
      if(!This->window) {
          FIXME("No current window\n");
          return E_UNEXPECTED;
      }
  
      if(pbc)
          FIXME("pbc not supported\n");
  
      if(This->doc_obj->client) {
          IOleCommandTarget *cmdtrg = NULL;
  
          hres = IOleClientSite_QueryInterface(This->doc_obj->client, &IID_IOleCommandTarget,
                  (void**)&cmdtrg);
          if(SUCCEEDED(hres)) {
              IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 138, 0, NULL, NULL);
              IOleCommandTarget_Release(cmdtrg);
          }
      }
  
      hres = IStream_Read(pStream, &str_len, sizeof(str_len), &read);
      if(FAILED(hres))
          return hres;
      if(read != sizeof(str_len))
          return E_FAIL;
  
      uri_str = heap_alloc((str_len+1)*sizeof(WCHAR));
      if(!uri_str)
          return E_OUTOFMEMORY;
  
      hres = IStream_Read(pStream, uri_str, str_len*sizeof(WCHAR), &read);
      if(SUCCEEDED(hres) && read != str_len*sizeof(WCHAR))
          hres = E_FAIL;
      if(SUCCEEDED(hres)) {
          uri_str[str_len] = 0;
          hres = create_uri(uri_str, 0, &uri);
      }
      heap_free(uri_str);
      if(FAILED(hres))
          return hres;
  
      hres = load_uri(This->window, uri, BINDING_FROMHIST);
      IUri_Release(uri);
      return hres;
  }
  
  static HRESULT WINAPI PersistHistory_SaveHistory(IPersistHistory *iface, IStream *pStream)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      ULONG len, written;
      BSTR display_uri;
      HRESULT hres;
  
      TRACE("(%p)->(%p)\n", This, pStream);
  
      if(!This->window || !This->window->uri) {
          FIXME("No current URI\n");
          return E_FAIL;
      }
  
      /* NOTE: The format we store is *not* compatible with native MSHTML. We currently
       * store only URI of the page (as a length followed by a string) */
      hres = IUri_GetDisplayUri(This->window->uri, &display_uri);
      if(FAILED(hres))
          return hres;
  
      len = SysStringLen(display_uri);
      hres = IStream_Write(pStream, &len, sizeof(len), &written);
      if(SUCCEEDED(hres))
          hres = IStream_Write(pStream, display_uri, len*sizeof(WCHAR), &written);
      SysFreeString(display_uri);
      return hres;
  }
  
  static HRESULT WINAPI PersistHistory_SetPositionCookie(IPersistHistory *iface, DWORD dwPositioncookie)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      FIXME("(%p)->(%x)\n", This, dwPositioncookie);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistHistory_GetPositionCookie(IPersistHistory *iface, DWORD *pdwPositioncookie)
  {
      HTMLDocument *This = impl_from_IPersistHistory(iface);
      FIXME("(%p)->(%p)\n", This, pdwPositioncookie);
      return E_NOTIMPL;
  }
  
  static const IPersistHistoryVtbl PersistHistoryVtbl = {
      PersistHistory_QueryInterface,
      PersistHistory_AddRef,
      PersistHistory_Release,
      PersistHistory_GetClassID,
      PersistHistory_LoadHistory,
      PersistHistory_SaveHistory,
      PersistHistory_SetPositionCookie,
      PersistHistory_GetPositionCookie
  };
  
  /**********************************************************
   * IHlinkTarget implementation
   */
  
  static inline HTMLDocument *impl_from_IHlinkTarget(IHlinkTarget *iface)
  {
      return CONTAINING_RECORD(iface, HTMLDocument, IHlinkTarget_iface);
  }
  
  static HRESULT WINAPI HlinkTarget_QueryInterface(IHlinkTarget *iface, REFIID riid, void **ppv)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      return htmldoc_query_interface(This, riid, ppv);
  }
  
  static ULONG WINAPI HlinkTarget_AddRef(IHlinkTarget *iface)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      return htmldoc_addref(This);
  }
  
  static ULONG WINAPI HlinkTarget_Release(IHlinkTarget *iface)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      return htmldoc_release(This);
  }
  
  static HRESULT WINAPI HlinkTarget_SetBrowseContext(IHlinkTarget *iface, IHlinkBrowseContext *pihlbc)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      FIXME("(%p)->(%p)\n", This, pihlbc);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI HlinkTarget_GetBrowseContext(IHlinkTarget *iface, IHlinkBrowseContext **ppihlbc)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      FIXME("(%p)->(%p)\n", This, ppihlbc);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI HlinkTarget_Navigate(IHlinkTarget *iface, DWORD grfHLNF, LPCWSTR pwzJumpLocation)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
  
      TRACE("(%p)->(%08x %s)\n", This, grfHLNF, debugstr_w(pwzJumpLocation));
  
      if(grfHLNF)
          FIXME("Unsupported grfHLNF=%08x\n", grfHLNF);
      if(pwzJumpLocation)
          FIXME("JumpLocation not supported\n");
  
      if(!This->doc_obj->client) {
          static const WCHAR szOpen[] = {'o','p','e','n',0};
          HRESULT hres;
          BSTR uri;
  
          hres = IUri_GetAbsoluteUri(This->window->uri, &uri);
          if (FAILED(hres))
              return hres;
  
          ShellExecuteW(NULL, szOpen, uri, NULL, NULL, SW_SHOW);
          SysFreeString(uri);
          return S_OK;
      }
  
      return IOleObject_DoVerb(&This->IOleObject_iface, OLEIVERB_SHOW, NULL, NULL, -1, NULL, NULL);
  }
  
  static HRESULT WINAPI HlinkTarget_GetMoniker(IHlinkTarget *iface, LPCWSTR pwzLocation, DWORD dwAssign,
          IMoniker **ppimkLocation)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      FIXME("(%p)->(%s %08x %p)\n", This, debugstr_w(pwzLocation), dwAssign, ppimkLocation);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI HlinkTarget_GetFriendlyName(IHlinkTarget *iface, LPCWSTR pwzLocation,
          LPWSTR *ppwzFriendlyName)
  {
      HTMLDocument *This = impl_from_IHlinkTarget(iface);
      FIXME("(%p)->(%s %p)\n", This, debugstr_w(pwzLocation), ppwzFriendlyName);
      return E_NOTIMPL;
  }
  
  static const IHlinkTargetVtbl HlinkTargetVtbl = {
      HlinkTarget_QueryInterface,
      HlinkTarget_AddRef,
      HlinkTarget_Release,
      HlinkTarget_SetBrowseContext,
      HlinkTarget_GetBrowseContext,
      HlinkTarget_Navigate,
      HlinkTarget_GetMoniker,
      HlinkTarget_GetFriendlyName
  };
  
  void HTMLDocument_Persist_Init(HTMLDocument *This)
  {
      This->IPersistMoniker_iface.lpVtbl = &PersistMonikerVtbl;
      This->IPersistFile_iface.lpVtbl = &PersistFileVtbl;
      This->IMonikerProp_iface.lpVtbl = &MonikerPropVtbl;
      This->IPersistStreamInit_iface.lpVtbl = &PersistStreamInitVtbl;
      This->IPersistHistory_iface.lpVtbl = &PersistHistoryVtbl;
      This->IHlinkTarget_iface.lpVtbl = &HlinkTargetVtbl;
  }
  