reactos/dll/win32/mshtml/mshtml_private.h

   1 /*
   2  * Copyright 2005-2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "wingdi.h"
  20 #include "docobj.h"
  21 #include "comcat.h"
  22 #include "mshtml.h"
  23 #include "mshtmhst.h"
  24 #include "hlink.h"
  25 #include "perhist.h"
  26 #include "dispex.h"
  27
  28 #include "wine/list.h"
  29 #include "wine/unicode.h"
  30
  31 #ifdef INIT_GUID
  32 #include "initguid.h"
  33 #endif
  34
  35 #include "nsiface.h"
  36
  37 #define NS_OK                     ((nsresult)0x00000000L)
  38 #define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
  39 #define NS_NOINTERFACE            ((nsresult)0x80004002L)
  40 #define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
  41 #define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L)
  42 #define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
  43 #define NS_ERROR_UNKNOWN_PROTOCOL ((nsresult)0x804b0012L)
  44
  45 #define NS_FAILED(res) ((res) & 0x80000000)
  46 #define NS_SUCCEEDED(res) (!NS_FAILED(res))
  47
  48 #define NSAPI WINAPI
  49
  50 #define MSHTML_E_NODOC    0x800a025c
  51
  52 typedef struct HTMLDOMNode HTMLDOMNode;
  53 typedef struct ConnectionPoint ConnectionPoint;
  54 typedef struct BSCallback BSCallback;
  55 typedef struct event_target_t event_target_t;
  56
  57 /* NOTE: make sure to keep in sync with dispex.c */
  58 typedef enum {
  59     NULL_tid,
  60     DispCEventObj_tid,
  61     DispDOMChildrenCollection_tid,
  62     DispHTMLAnchorElement_tid,
  63     DispHTMLBody_tid,
  64     DispHTMLCommentElement_tid,
  65     DispHTMLCurrentStyle_tid,
  66     DispHTMLDocument_tid,
  67     DispHTMLDOMTextNode_tid,
  68     DispHTMLElementCollection_tid,
  69     DispHTMLFormElement_tid,
  70     DispHTMLGenericElement_tid,
  71     DispHTMLFrameElement_tid,
  72     DispHTMLIFrame_tid,
  73     DispHTMLImg_tid,
  74     DispHTMLInputElement_tid,
  75     DispHTMLLocation_tid,
  76     DispHTMLNavigator_tid,
  77     DispHTMLOptionElement_tid,
  78     DispHTMLScreen_tid,
  79     DispHTMLScriptElement_tid,
  80     DispHTMLSelectElement_tid,
  81     DispHTMLStyle_tid,
  82     DispHTMLTable_tid,
  83     DispHTMLTableRow_tid,
  84     DispHTMLTextAreaElement_tid,
  85     DispHTMLUnknownElement_tid,
  86     DispHTMLWindow2_tid,
  87     HTMLDocumentEvents_tid,
  88     IHTMLAnchorElement_tid,
  89     IHTMLBodyElement_tid,
  90     IHTMLBodyElement2_tid,
  91     IHTMLCommentElement_tid,
  92     IHTMLCurrentStyle_tid,
  93     IHTMLCurrentStyle2_tid,
  94     IHTMLCurrentStyle3_tid,
  95     IHTMLCurrentStyle4_tid,
  96     IHTMLDocument2_tid,
  97     IHTMLDocument3_tid,
  98     IHTMLDocument4_tid,
  99     IHTMLDocument5_tid,
 100     IHTMLDOMChildrenCollection_tid,
 101     IHTMLDOMNode_tid,
 102     IHTMLDOMNode2_tid,
 103     IHTMLDOMTextNode_tid,
 104     IHTMLElement_tid,
 105     IHTMLElement2_tid,
 106     IHTMLElement3_tid,
 107     IHTMLElement4_tid,
 108     IHTMLElementCollection_tid,
 109     IHTMLEventObj_tid,
 110     IHTMLFiltersCollection_tid,
 111     IHTMLFormElement_tid,
 112     IHTMLFrameBase_tid,
 113     IHTMLFrameBase2_tid,
 114     IHTMLFrameElement3_tid,
 115     IHTMLGenericElement_tid,
 116     IHTMLIFrameElement_tid,
 117     IHTMLImageElementFactory_tid,
 118     IHTMLImgElement_tid,
 119     IHTMLInputElement_tid,
 120     IHTMLLocation_tid,
 121     IHTMLOptionElement_tid,
 122     IHTMLScreen_tid,
 123     IHTMLScriptElement_tid,
 124     IHTMLSelectElement_tid,
 125     IHTMLStyle_tid,
 126     IHTMLStyle2_tid,
 127     IHTMLStyle3_tid,
 128     IHTMLStyle4_tid,
 129     IHTMLTable_tid,
 130     IHTMLTableRow_tid,
 131     IHTMLTextAreaElement_tid,
 132     IHTMLTextContainer_tid,
 133     IHTMLUniqueName_tid,
 134     IHTMLWindow2_tid,
 135     IHTMLWindow3_tid,
 136     IHTMLWindow4_tid,
 137     IOmNavigator_tid,
 138     LAST_tid
 139 } tid_t;
 140
 141 typedef struct dispex_data_t dispex_data_t;
 142 typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;
 143
 144 #define MSHTML_DISPID_CUSTOM_MIN 0x60000000
 145 #define MSHTML_DISPID_CUSTOM_MAX 0x6fffffff
 146
 147 typedef struct {
 148     HRESULT (*value)(IUnknown*,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 149     HRESULT (*get_dispid)(IUnknown*,BSTR,DWORD,DISPID*);
 150     HRESULT (*invoke)(IUnknown*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 151 } dispex_static_data_vtbl_t;
 152
 153 typedef struct {
 154     const dispex_static_data_vtbl_t *vtbl;
 155     const tid_t disp_tid;
 156     dispex_data_t *data;
 157     const tid_t* const iface_tids;
 158 } dispex_static_data_t;
 159
 160 typedef struct {
 161     const IDispatchExVtbl  *lpIDispatchExVtbl;
 162
 163     IUnknown *outer;
 164
 165     dispex_static_data_t *data;
 166     dispex_dynamic_data_t *dynamic_data;
 167 } DispatchEx;
 168
 169 void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*);
 170 void release_dispex(DispatchEx*);
 171 BOOL dispex_query_interface(DispatchEx*,REFIID,void**);
 172 HRESULT dispex_get_dprop_ref(DispatchEx*,const WCHAR*,BOOL,VARIANT**);
 173 HRESULT get_dispids(tid_t,DWORD*,DISPID**);
 174
 175 typedef struct HTMLDocumentNode HTMLDocumentNode;
 176 typedef struct HTMLDocumentObj HTMLDocumentObj;
 177 typedef struct HTMLFrameBase HTMLFrameBase;
 178
 179 typedef enum {
 180     SCRIPTMODE_GECKO,
 181     SCRIPTMODE_ACTIVESCRIPT
 182 } SCRIPTMODE;
 183
 184 typedef struct ScriptHost ScriptHost;
 185
 186 typedef enum {
 187     GLOBAL_SCRIPTVAR,
 188     GLOBAL_ELEMENTVAR
 189 } global_prop_type_t;
 190
 191 typedef struct {
 192     global_prop_type_t type;
 193     WCHAR *name;
 194     ScriptHost *script_host;
 195     DISPID id;
 196 } global_prop_t;
 197
 198 typedef struct {
 199     const IHTMLOptionElementFactoryVtbl *lpHTMLOptionElementFactoryVtbl;
 200
 201     LONG ref;
 202
 203     HTMLWindow *window;
 204 } HTMLOptionElementFactory;
 205
 206 typedef struct {
 207     DispatchEx dispex;
 208     const IHTMLImageElementFactoryVtbl *lpHTMLImageElementFactoryVtbl;
 209
 210     LONG ref;
 211
 212     HTMLWindow *window;
 213 } HTMLImageElementFactory;
 214
 215 struct HTMLLocation {
 216     DispatchEx dispex;
 217     const IHTMLLocationVtbl *lpHTMLLocationVtbl;
 218
 219     LONG ref;
 220
 221     HTMLWindow *window;
 222 };
 223
 224 typedef struct {
 225     HTMLWindow *window;
 226     LONG ref;
 227 }  windowref_t;
 228
 229 struct HTMLWindow {
 230     DispatchEx dispex;
 231     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
 232     const IHTMLWindow3Vtbl *lpHTMLWindow3Vtbl;
 233     const IHTMLWindow4Vtbl *lpHTMLWindow4Vtbl;
 234     const IDispatchExVtbl  *lpIDispatchExVtbl;
 235
 236     LONG ref;
 237
 238     windowref_t *window_ref;
 239     LONG task_magic;
 240
 241     HTMLDocumentNode *doc;
 242     HTMLDocumentObj *doc_obj;
 243     nsIDOMWindow *nswindow;
 244     HTMLWindow *parent;
 245     HTMLFrameBase *frame_element;
 246     READYSTATE readystate;
 247
 248     nsChannelBSC *bscallback;
 249     IMoniker *mon;
 250     LPOLESTR url;
 251
 252     IHTMLEventObj *event;
 253
 254     SCRIPTMODE scriptmode;
 255     struct list script_hosts;
 256
 257     HTMLOptionElementFactory *option_factory;
 258     HTMLImageElementFactory *image_factory;
 259     HTMLLocation *location;
 260     IHTMLScreen *screen;
 261
 262     global_prop_t *global_props;
 263     DWORD global_prop_cnt;
 264     DWORD global_prop_size;
 265
 266     struct list children;
 267     struct list sibling_entry;
 268     struct list entry;
 269 };
 270
 271 typedef enum {
 272     UNKNOWN_USERMODE,
 273     BROWSEMODE,
 274     EDITMODE
 275 } USERMODE;
 276
 277 typedef struct _cp_static_data_t {
 278     tid_t tid;
 279     void (*on_advise)(IUnknown*,struct _cp_static_data_t*);
 280     DWORD id_cnt;
 281     DISPID *ids;
 282 } cp_static_data_t;
 283
 284 typedef struct ConnectionPointContainer {
 285     const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;
 286
 287     ConnectionPoint *cp_list;
 288     IUnknown *outer;
 289     struct ConnectionPointContainer *forward_container;
 290 } ConnectionPointContainer;
 291
 292 struct ConnectionPoint {
 293     const IConnectionPointVtbl *lpConnectionPointVtbl;
 294
 295     ConnectionPointContainer *container;
 296
 297     union {
 298         IUnknown *unk;
 299         IDispatch *disp;
 300         IPropertyNotifySink *propnotif;
 301     } *sinks;
 302     DWORD sinks_size;
 303
 304     const IID *iid;
 305     cp_static_data_t *data;
 306
 307     ConnectionPoint *next;
 308 };
 309
 310 struct HTMLDocument {
 311     const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
 312     const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
 313     const IHTMLDocument4Vtbl              *lpHTMLDocument4Vtbl;
 314     const IHTMLDocument5Vtbl              *lpHTMLDocument5Vtbl;
 315     const IHTMLDocument6Vtbl              *lpHTMLDocument6Vtbl;
 316     const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
 317     const IPersistFileVtbl                *lpPersistFileVtbl;
 318     const IPersistHistoryVtbl             *lpPersistHistoryVtbl;
 319     const IMonikerPropVtbl                *lpMonikerPropVtbl;
 320     const IOleObjectVtbl                  *lpOleObjectVtbl;
 321     const IOleDocumentVtbl                *lpOleDocumentVtbl;
 322     const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
 323     const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
 324     const IViewObjectExVtbl               *lpViewObjectExVtbl;
 325     const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
 326     const IServiceProviderVtbl            *lpServiceProviderVtbl;
 327     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
 328     const IOleControlVtbl                 *lpOleControlVtbl;
 329     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
 330     const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
 331     const IDispatchExVtbl                 *lpIDispatchExVtbl;
 332     const ISupportErrorInfoVtbl           *lpSupportErrorInfoVtbl;
 333     const IObjectWithSiteVtbl             *lpObjectWithSiteVtbl;
 334
 335     IUnknown *unk_impl;
 336     IDispatchEx *dispex;
 337
 338     HTMLDocumentObj *doc_obj;
 339     HTMLDocumentNode *doc_node;
 340
 341     HTMLWindow *window;
 342
 343     LONG task_magic;
 344
 345     ConnectionPointContainer cp_container;
 346     ConnectionPoint cp_htmldocevents;
 347     ConnectionPoint cp_htmldocevents2;
 348     ConnectionPoint cp_propnotif;
 349     ConnectionPoint cp_dispatch;
 350
 351     IOleAdviseHolder *advise_holder;
 352 };
 353
 354 static inline HRESULT htmldoc_query_interface(HTMLDocument *This, REFIID riid, void **ppv)
 355 {
 356     return IUnknown_QueryInterface(This->unk_impl, riid, ppv);
 357 }
 358
 359 static inline ULONG htmldoc_addref(HTMLDocument *This)
 360 {
 361     return IUnknown_AddRef(This->unk_impl);
 362 }
 363
 364 static inline ULONG htmldoc_release(HTMLDocument *This)
 365 {
 366     return IUnknown_Release(This->unk_impl);
 367 }
 368
 369 struct HTMLDocumentObj {
 370     HTMLDocument basedoc;
 371     DispatchEx dispex;
 372     const ICustomDocVtbl  *lpCustomDocVtbl;
 373
 374     LONG ref;
 375
 376     NSContainer *nscontainer;
 377
 378     IOleClientSite *client;
 379     IDocHostUIHandler *hostui;
 380     IOleInPlaceSite *ipsite;
 381     IOleInPlaceFrame *frame;
 382     IOleInPlaceUIWindow *ip_window;
 383     IAdviseSink *view_sink;
 384
 385     DOCHOSTUIINFO hostinfo;
 386
 387     IOleUndoManager *undomgr;
 388
 389     HWND hwnd;
 390     HWND tooltips_hwnd;
 391
 392     BOOL request_uiactivate;
 393     BOOL in_place_active;
 394     BOOL ui_active;
 395     BOOL window_active;
 396     BOOL has_key_path;
 397     BOOL container_locked;
 398     BOOL focus;
 399     INT download_state;
 400
 401     USERMODE usermode;
 402     LPWSTR mime;
 403
 404     DWORD update;
 405 };
 406
 407 struct NSContainer {
 408     const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
 409     const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
 410     const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
 411     const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
 412     const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
 413     const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
 414     const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
 415     const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;
 416
 417     nsIWebBrowser *webbrowser;
 418     nsIWebNavigation *navigation;
 419     nsIBaseWindow *window;
 420     nsIWebBrowserFocus *focus;
 421
 422     nsIEditor *editor;
 423     nsIController *editor_controller;
 424
 425     LONG ref;
 426
 427     NSContainer *parent;
 428     HTMLDocumentObj *doc;
 429
 430     nsIURIContentListener *content_listener;
 431
 432     HWND hwnd;
 433
 434     HWND reset_focus; /* hack */
 435 };
 436
 437 typedef struct {
 438     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
 439     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
 440     const nsIHttpChannelInternalVtbl *lpIHttpChannelInternalVtbl;
 441
 442     LONG ref;
 443
 444     nsIWineURI *uri;
 445     nsIInputStream *post_data_stream;
 446     nsILoadGroup *load_group;
 447     nsIInterfaceRequestor *notif_callback;
 448     nsISupports *owner;
 449     nsLoadFlags load_flags;
 450     nsIURI *original_uri;
 451     char *content_type;
 452     char *charset;
 453     PRUint32 response_status;
 454     UINT url_scheme;
 455 } nsChannel;
 456
 457 typedef struct {
 458     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
 459     void (*destructor)(HTMLDOMNode*);
 460     event_target_t **(*get_event_target)(HTMLDOMNode*);
 461     HRESULT (*call_event)(HTMLDOMNode*,DWORD,BOOL*);
 462     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
 463     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
 464     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
 465     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
 466     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
 467     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 468     HRESULT (*bind_to_tree)(HTMLDOMNode*);
 469 } NodeImplVtbl;
 470
 471 struct HTMLDOMNode {
 472     DispatchEx dispex;
 473     const IHTMLDOMNodeVtbl   *lpHTMLDOMNodeVtbl;
 474     const IHTMLDOMNode2Vtbl  *lpHTMLDOMNode2Vtbl;
 475     const NodeImplVtbl *vtbl;
 476
 477     LONG ref;
 478
 479     nsIDOMNode *nsnode;
 480     HTMLDocumentNode *doc;
 481     event_target_t *event_target;
 482     ConnectionPointContainer *cp_container;
 483
 484     HTMLDOMNode *next;
 485 };
 486
 487 typedef struct {
 488     HTMLDOMNode node;
 489     ConnectionPointContainer cp_container;
 490
 491     const IHTMLElementVtbl   *lpHTMLElementVtbl;
 492     const IHTMLElement2Vtbl  *lpHTMLElement2Vtbl;
 493     const IHTMLElement3Vtbl  *lpHTMLElement3Vtbl;
 494
 495     nsIDOMHTMLElement *nselem;
 496 } HTMLElement;
 497
 498 #define HTMLELEMENT_TIDS    \
 499     IHTMLDOMNode_tid,       \
 500     IHTMLDOMNode2_tid,      \
 501     IHTMLElement_tid,       \
 502     IHTMLElement2_tid,      \
 503     IHTMLElement3_tid,      \
 504     IHTMLElement4_tid
 505
 506 typedef struct {
 507     HTMLElement element;
 508
 509     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
 510
 511     ConnectionPoint cp;
 512 } HTMLTextContainer;
 513
 514 struct HTMLFrameBase {
 515     HTMLElement element;
 516
 517     const IHTMLFrameBaseVtbl   *lpIHTMLFrameBaseVtbl;
 518     const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
 519
 520     HTMLWindow *content_window;
 521
 522     nsIDOMHTMLFrameElement *nsframe;
 523     nsIDOMHTMLIFrameElement *nsiframe;
 524 };
 525
 526 typedef struct _mutation_queue_t {
 527     DWORD type;
 528     nsISupports *nsiface;
 529
 530     struct _mutation_queue_t *next;
 531 } mutation_queue_t;
 532
 533 typedef struct nsDocumentEventListener nsDocumentEventListener;
 534
 535 struct HTMLDocumentNode {
 536     HTMLDOMNode node;
 537     HTMLDocument basedoc;
 538
 539     const IInternetHostSecurityManagerVtbl *lpIInternetHostSecurityManagerVtbl;
 540
 541     const nsIDocumentObserverVtbl  *lpIDocumentObserverVtbl;
 542     const nsIRunnableVtbl  *lpIRunnableVtbl;
 543
 544     LONG ref;
 545
 546     nsIDOMHTMLDocument *nsdoc;
 547     HTMLDOMNode *nodes;
 548     BOOL content_ready;
 549     event_target_t *body_event_target;
 550
 551     IInternetSecurityManager *secmgr;
 552     ICatInformation *catmgr;
 553     nsDocumentEventListener *nsevent_listener;
 554     BOOL *event_vector;
 555
 556     mutation_queue_t *mutation_queue;
 557     mutation_queue_t *mutation_queue_tail;
 558
 559     struct list bindings;
 560     struct list selection_list;
 561     struct list range_list;
 562 };
 563
 564 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
 565 #define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)
 566 #define HTMLWINDOW4(x)   ((IHTMLWindow4*)                 &(x)->lpHTMLWindow4Vtbl)
 567
 568 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
 569 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
 570 #define HTMLDOC4(x)      ((IHTMLDocument4*)               &(x)->lpHTMLDocument4Vtbl)
 571 #define HTMLDOC5(x)      ((IHTMLDocument5*)               &(x)->lpHTMLDocument5Vtbl)
 572 #define HTMLDOC6(x)      ((IHTMLDocument6*)               &(x)->lpHTMLDocument6Vtbl)
 573 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
 574 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
 575 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 576 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 577 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 578 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
 579 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
 580 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
 581 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
 582 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObjectExVtbl)
 583 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObjectExVtbl)
 584 #define VIEWOBJEX(x)      ((IViewObjectEx*)               &(x)->lpViewObjectExVtbl)
 585 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
 586 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
 587 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
 588 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
 589 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 590 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 591 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
 592 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
 593 #define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
 594 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
 595 #define OBJSITE(x)       ((IObjectWithSite*)              &(x)->lpObjectWithSiteVtbl)
 596
 597 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
 598 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
 599 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
 600 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
 601 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
 602 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
 603 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 604 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
 605 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
 606
 607 #define NSDOCOBS(x)      ((nsIDocumentObserver*)          &(x)->lpIDocumentObserverVtbl)
 608
 609 #define NSRUNNABLE(x)    ((nsIRunnable*)  &(x)->lpIRunnableVtbl)
 610
 611 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
 612 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
 613 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
 614 #define NSHTTPINTERNAL(x) ((nsIHttpChannelInternal*)  &(x)->lpIHttpChannelInternalVtbl)
 615
 616 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
 617 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
 618 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
 619
 620 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
 621 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
 622 #define HTMLELEM3(x)     ((IHTMLElement3*)                &(x)->lpHTMLElement3Vtbl)
 623 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
 624 #define HTMLDOMNODE2(x)  ((IHTMLDOMNode2*)                &(x)->lpHTMLDOMNode2Vtbl)
 625
 626 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 627 #define HTMLFRAMEBASE(x) ((IHTMLFrameBase*)               &(x)->lpIHTMLFrameBaseVtbl)
 628 #define HTMLFRAMEBASE2(x) ((IHTMLFrameBase2*)             &(x)->lpIHTMLFrameBase2Vtbl)
 629
 630 #define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
 631 #define HTMLIMGFACTORY(x)  ((IHTMLImageElementFactory*)   &(x)->lpHTMLImageElementFactoryVtbl)
 632 #define HTMLLOCATION(x)    ((IHTMLLocation*)              &(x)->lpHTMLLocationVtbl)
 633
 634 #define DISPATCHEX(x)    ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 635
 636 #define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
 637
 638 #define HOSTSECMGR(x)    ((IInternetHostSecurityManager*)  &(x)->lpIInternetHostSecurityManagerVtbl)
 639
 640 #define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
 641 #define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)
 642
 643 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
 644 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
 645 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**);
 646
 647 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**);
 648 void update_window_doc(HTMLWindow*);
 649 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
 650 nsIDOMWindow *get_nsdoc_window(nsIDOMDocument*);
 651 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*);
 652 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*);
 653 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**);
 654 IOmNavigator *OmNavigator_Create(void);
 655 HRESULT HTMLScreen_Create(IHTMLScreen**);
 656
 657 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
 658 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*);
 659 void HTMLDocument_Persist_Init(HTMLDocument*);
 660 void HTMLDocument_OleCmd_Init(HTMLDocument*);
 661 void HTMLDocument_OleObj_Init(HTMLDocument*);
 662 void HTMLDocument_View_Init(HTMLDocument*);
 663 void HTMLDocument_Window_Init(HTMLDocument*);
 664 void HTMLDocument_Service_Init(HTMLDocument*);
 665 void HTMLDocument_Hlink_Init(HTMLDocument*);
 666
 667 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*);
 668
 669 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);
 670
 671 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*);
 672 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*);
 673 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
 674
 675 NSContainer *NSContainer_Create(HTMLDocumentObj*,NSContainer*);
 676 void NSContainer_Release(NSContainer*);
 677
 678 void init_mutation(HTMLDocumentNode*);
 679 void release_mutation(HTMLDocumentNode*);
 680
 681 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL);
 682 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*);
 683 void notif_focus(HTMLDocumentObj*);
 684
 685 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR);
 686 void hide_tooltip(HTMLDocumentObj*);
 687 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
 688
 689 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
 690
 691 BOOL load_gecko(BOOL);
 692 void close_gecko(void);
 693 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
 694 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
 695 void release_nsio(void);
 696 BOOL install_wine_gecko(BOOL);
 697
 698 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*);
 699 HRESULT create_doc_uri(HTMLWindow*,WCHAR*,nsIWineURI**);
 700
 701 HRESULT hlink_frame_navigate(HTMLDocument*,LPCWSTR,nsIInputStream*,DWORD);
 702 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*);
 703 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*);
 704 HRESULT load_nsuri(HTMLWindow*,nsIWineURI*,DWORD);
 705
 706 void call_property_onchanged(ConnectionPoint*,DISPID);
 707 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);
 708
 709 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
 710 void nsfree(void*);
 711
 712 void nsACString_SetData(nsACString*,const char*);
 713 PRUint32 nsACString_GetData(const nsACString*,const char**);
 714
 715 BOOL nsAString_Init(nsAString*,const PRUnichar*);
 716 void nsAString_InitDepend(nsAString*,const PRUnichar*);
 717 void nsAString_SetData(nsAString*,const PRUnichar*);
 718 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**);
 719 void nsAString_Finish(nsAString*);
 720
 721 nsICommandParams *create_nscommand_params(void);
 722 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*);
 723 void get_editor_controller(NSContainer*);
 724 nsresult get_nsinterface(nsISupports*,REFIID,void**);
 725
 726 void init_nsevents(HTMLDocumentNode*);
 727 void release_nsevents(HTMLDocumentNode*);
 728 void add_nsevent_listener(HTMLDocumentNode*,LPCWSTR);
 729
 730 void set_window_bscallback(HTMLWindow*,nsChannelBSC*);
 731 void set_current_mon(HTMLWindow*,IMoniker*);
 732 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*);
 733 void abort_document_bindings(HTMLDocumentNode*);
 734
 735 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*);
 736
 737 nsChannelBSC *create_channelbsc(IMoniker*);
 738 HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*);
 739 void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*);
 740 IMoniker *get_channelbsc_mon(nsChannelBSC*);
 741
 742 void set_ready_state(HTMLWindow*,READYSTATE);
 743
 744 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**);
 745 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**);
 746 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 747 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*);
 748 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*);
 749
 750 void detach_selection(HTMLDocumentNode*);
 751 void detach_ranges(HTMLDocumentNode*);
 752 HRESULT get_node_text(HTMLDOMNode*,BSTR*);
 753
 754 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**);
 755
 756 HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*);
 757
 758 HTMLElement *HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 759 HTMLElement *HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*);
 760 HTMLElement *HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 761 HTMLElement *HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 762 HTMLElement *HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 763 HTMLElement *HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 764 HTMLElement *HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 765 HTMLElement *HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 766 HTMLElement *HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 767 HTMLElement *HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 768 HTMLElement *HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 769 HTMLElement *HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 770 HTMLElement *HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 771 HTMLElement *HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 772 HTMLElement *HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 773 HTMLElement *HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 774
 775 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*);
 776 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 777 void HTMLElement2_Init(HTMLElement*);
 778 void HTMLElement3_Init(HTMLElement*);
 779 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 780 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 781
 782 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
 783 void HTMLDOMNode_destructor(HTMLDOMNode*);
 784
 785 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**);
 786 void HTMLElement_destructor(HTMLDOMNode*);
 787
 788 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**);
 789 void HTMLFrameBase_destructor(HTMLFrameBase*);
 790
 791 HTMLDOMNode *get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 792 void release_nodes(HTMLDocumentNode*);
 793
 794 void release_script_hosts(HTMLWindow*);
 795 void connect_scripts(HTMLWindow*);
 796 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*);
 797 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR);
 798 void set_script_mode(HTMLWindow*,SCRIPTMODE);
 799 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*);
 800 IDispatch *get_script_disp(ScriptHost*);
 801 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*);
 802
 803 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL);
 804 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*);
 805 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*);
 806
 807 /* commands */
 808 typedef struct {
 809     DWORD id;
 810     HRESULT (*query)(HTMLDocument*,OLECMD*);
 811     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 812 } cmdtable_t;
 813
 814 extern const cmdtable_t editmode_cmds[];
 815
 816 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*);
 817
 818 /* timer */
 819 #define UPDATE_UI       0x0001
 820 #define UPDATE_TITLE    0x0002
 821
 822 void update_doc(HTMLDocument*,DWORD);
 823 void update_title(HTMLDocumentObj*);
 824
 825 /* editor */
 826 void init_editor(HTMLDocument*);
 827 void set_ns_editmode(NSContainer*);
 828 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
 829 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 830 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 831 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 832 void handle_edit_load(HTMLDocument*);
 833 HRESULT editor_is_dirty(HTMLDocument*);
 834 void set_dirty(HTMLDocument*,VARIANT_BOOL);
 835
 836 extern DWORD mshtml_tls;
 837
 838 typedef struct task_t task_t;
 839 typedef void (*task_proc_t)(task_t*);
 840
 841 struct task_t {
 842     LONG target_magic;
 843     task_proc_t proc;
 844     struct task_t *next;
 845 };
 846
 847 typedef struct {
 848     task_t header;
 849     HTMLDocumentObj *doc;
 850 } docobj_task_t;
 851
 852 typedef struct {
 853     HWND thread_hwnd;
 854     task_t *task_queue_head;
 855     task_t *task_queue_tail;
 856     struct list timer_list;
 857 } thread_data_t;
 858
 859 thread_data_t *get_thread_data(BOOL);
 860 HWND get_thread_hwnd(void);
 861
 862 LONG get_task_target_magic(void);
 863 void push_task(task_t*,task_proc_t,LONG);
 864 void remove_target_tasks(LONG);
 865
 866 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*);
 867 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD);
 868
 869 void release_typelib(void);
 870 HRESULT call_disp_func(IDispatch*,DISPPARAMS*);
 871
 872 const char *debugstr_variant(const VARIANT*);
 873
 874 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 875 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 876 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 877 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 878 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 879
 880 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 881
 882 /* memory allocation functions */
 883
 884 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 885 {
 886     return HeapAlloc(GetProcessHeap(), 0, len);
 887 }
 888
 889 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 890 {
 891     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 892 }
 893
 894 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 895 {
 896     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 897 }
 898
 899 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 900 {
 901     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 902 }
 903
 904 static inline BOOL heap_free(void *mem)
 905 {
 906     return HeapFree(GetProcessHeap(), 0, mem);
 907 }
 908
 909 static inline LPWSTR heap_strdupW(LPCWSTR str)
 910 {
 911     LPWSTR ret = NULL;
 912
 913     if(str) {
 914         DWORD size;
 915
 916         size = (strlenW(str)+1)*sizeof(WCHAR);
 917         ret = heap_alloc(size);
 918         memcpy(ret, str, size);
 919     }
 920
 921     return ret;
 922 }
 923
 924 static inline char *heap_strdupA(const char *str)
 925 {
 926     char *ret = NULL;
 927
 928     if(str) {
 929         DWORD size;
 930
 931         size = strlen(str)+1;
 932         ret = heap_alloc(size);
 933         memcpy(ret, str, size);
 934     }
 935
 936     return ret;
 937 }
 938
 939 static inline WCHAR *heap_strdupAtoW(const char *str)
 940 {
 941     LPWSTR ret = NULL;
 942
 943     if(str) {
 944         DWORD len;
 945
 946         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 947         ret = heap_alloc(len*sizeof(WCHAR));
 948         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
 949     }
 950
 951     return ret;
 952 }
 953
 954 static inline char *heap_strdupWtoA(LPCWSTR str)
 955 {
 956     char *ret = NULL;
 957
 958     if(str) {
 959         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 960         ret = heap_alloc(size);
 961         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
 962     }
 963
 964     return ret;
 965 }
 966
 967 static inline void windowref_addref(windowref_t *ref)
 968 {
 969     InterlockedIncrement(&ref->ref);
 970 }
 971
 972 static inline void windowref_release(windowref_t *ref)
 973 {
 974     if(!InterlockedDecrement(&ref->ref))
 975         heap_free(ref);
 976 }
 977
 978 HDC get_display_dc(void);
 979 HINSTANCE get_shdoclc(void);
 980
 981 extern HINSTANCE hInst;