dlls/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 HTMLWindow HTMLWindow;
 176 typedef struct HTMLDocumentNode HTMLDocumentNode;
 177 typedef struct HTMLDocumentObj HTMLDocumentObj;
 178 typedef struct HTMLFrameBase HTMLFrameBase;
 179 typedef struct NSContainer NSContainer;
 180
 181 typedef enum {
 182     SCRIPTMODE_GECKO,
 183     SCRIPTMODE_ACTIVESCRIPT
 184 } SCRIPTMODE;
 185
 186 typedef struct ScriptHost ScriptHost;
 187
 188 typedef enum {
 189     GLOBAL_SCRIPTVAR,
 190     GLOBAL_ELEMENTVAR
 191 } global_prop_type_t;
 192
 193 typedef struct {
 194     global_prop_type_t type;
 195     WCHAR *name;
 196     ScriptHost *script_host;
 197     DISPID id;
 198 } global_prop_t;
 199
 200 typedef struct {
 201     const IHTMLOptionElementFactoryVtbl *lpHTMLOptionElementFactoryVtbl;
 202
 203     LONG ref;
 204
 205     HTMLWindow *window;
 206 } HTMLOptionElementFactory;
 207
 208 typedef struct {
 209     DispatchEx dispex;
 210     const IHTMLImageElementFactoryVtbl *lpHTMLImageElementFactoryVtbl;
 211
 212     LONG ref;
 213
 214     HTMLWindow *window;
 215 } HTMLImageElementFactory;
 216
 217 struct HTMLLocation {
 218     DispatchEx dispex;
 219     const IHTMLLocationVtbl *lpHTMLLocationVtbl;
 220
 221     LONG ref;
 222
 223     HTMLWindow *window;
 224 };
 225
 226 typedef struct {
 227     HTMLWindow *window;
 228     LONG ref;
 229 }  windowref_t;
 230
 231 typedef struct nsChannelBSC nsChannelBSC;
 232
 233 struct HTMLWindow {
 234     DispatchEx dispex;
 235     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
 236     const IHTMLWindow3Vtbl *lpHTMLWindow3Vtbl;
 237     const IHTMLWindow4Vtbl *lpHTMLWindow4Vtbl;
 238     const IDispatchExVtbl  *lpIDispatchExVtbl;
 239
 240     LONG ref;
 241
 242     windowref_t *window_ref;
 243     LONG task_magic;
 244
 245     HTMLDocumentNode *doc;
 246     HTMLDocumentObj *doc_obj;
 247     nsIDOMWindow *nswindow;
 248     HTMLWindow *parent;
 249     HTMLFrameBase *frame_element;
 250     READYSTATE readystate;
 251
 252     nsChannelBSC *bscallback;
 253     IMoniker *mon;
 254     LPOLESTR url;
 255
 256     IHTMLEventObj *event;
 257
 258     SCRIPTMODE scriptmode;
 259     struct list script_hosts;
 260
 261     HTMLOptionElementFactory *option_factory;
 262     HTMLImageElementFactory *image_factory;
 263     HTMLLocation *location;
 264     IHTMLScreen *screen;
 265
 266     global_prop_t *global_props;
 267     DWORD global_prop_cnt;
 268     DWORD global_prop_size;
 269
 270     struct list children;
 271     struct list sibling_entry;
 272     struct list entry;
 273 };
 274
 275 typedef enum {
 276     UNKNOWN_USERMODE,
 277     BROWSEMODE,
 278     EDITMODE
 279 } USERMODE;
 280
 281 typedef struct _cp_static_data_t {
 282     tid_t tid;
 283     void (*on_advise)(IUnknown*,struct _cp_static_data_t*);
 284     DWORD id_cnt;
 285     DISPID *ids;
 286 } cp_static_data_t;
 287
 288 typedef struct ConnectionPointContainer {
 289     const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;
 290
 291     ConnectionPoint *cp_list;
 292     IUnknown *outer;
 293     struct ConnectionPointContainer *forward_container;
 294 } ConnectionPointContainer;
 295
 296 struct ConnectionPoint {
 297     const IConnectionPointVtbl *lpConnectionPointVtbl;
 298
 299     ConnectionPointContainer *container;
 300
 301     union {
 302         IUnknown *unk;
 303         IDispatch *disp;
 304         IPropertyNotifySink *propnotif;
 305     } *sinks;
 306     DWORD sinks_size;
 307
 308     const IID *iid;
 309     cp_static_data_t *data;
 310
 311     ConnectionPoint *next;
 312 };
 313
 314 struct HTMLDocument {
 315     const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
 316     const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
 317     const IHTMLDocument4Vtbl              *lpHTMLDocument4Vtbl;
 318     const IHTMLDocument5Vtbl              *lpHTMLDocument5Vtbl;
 319     const IHTMLDocument6Vtbl              *lpHTMLDocument6Vtbl;
 320     const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
 321     const IPersistFileVtbl                *lpPersistFileVtbl;
 322     const IPersistHistoryVtbl             *lpPersistHistoryVtbl;
 323     const IMonikerPropVtbl                *lpMonikerPropVtbl;
 324     const IOleObjectVtbl                  *lpOleObjectVtbl;
 325     const IOleDocumentVtbl                *lpOleDocumentVtbl;
 326     const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
 327     const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
 328     const IViewObjectExVtbl               *lpViewObjectExVtbl;
 329     const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
 330     const IServiceProviderVtbl            *lpServiceProviderVtbl;
 331     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
 332     const IOleControlVtbl                 *lpOleControlVtbl;
 333     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
 334     const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
 335     const IDispatchExVtbl                 *lpIDispatchExVtbl;
 336     const ISupportErrorInfoVtbl           *lpSupportErrorInfoVtbl;
 337     const IObjectWithSiteVtbl             *lpObjectWithSiteVtbl;
 338
 339     IUnknown *unk_impl;
 340     IDispatchEx *dispex;
 341
 342     HTMLDocumentObj *doc_obj;
 343     HTMLDocumentNode *doc_node;
 344
 345     HTMLWindow *window;
 346
 347     LONG task_magic;
 348
 349     ConnectionPointContainer cp_container;
 350     ConnectionPoint cp_htmldocevents;
 351     ConnectionPoint cp_htmldocevents2;
 352     ConnectionPoint cp_propnotif;
 353     ConnectionPoint cp_dispatch;
 354
 355     IOleAdviseHolder *advise_holder;
 356 };
 357
 358 static inline HRESULT htmldoc_query_interface(HTMLDocument *This, REFIID riid, void **ppv)
 359 {
 360     return IUnknown_QueryInterface(This->unk_impl, riid, ppv);
 361 }
 362
 363 static inline ULONG htmldoc_addref(HTMLDocument *This)
 364 {
 365     return IUnknown_AddRef(This->unk_impl);
 366 }
 367
 368 static inline ULONG htmldoc_release(HTMLDocument *This)
 369 {
 370     return IUnknown_Release(This->unk_impl);
 371 }
 372
 373 struct HTMLDocumentObj {
 374     HTMLDocument basedoc;
 375     DispatchEx dispex;
 376     const ICustomDocVtbl  *lpCustomDocVtbl;
 377
 378     LONG ref;
 379
 380     NSContainer *nscontainer;
 381
 382     IOleClientSite *client;
 383     IDocHostUIHandler *hostui;
 384     IOleInPlaceSite *ipsite;
 385     IOleInPlaceFrame *frame;
 386     IOleInPlaceUIWindow *ip_window;
 387     IAdviseSink *view_sink;
 388
 389     DOCHOSTUIINFO hostinfo;
 390
 391     IOleUndoManager *undomgr;
 392
 393     HWND hwnd;
 394     HWND tooltips_hwnd;
 395
 396     BOOL request_uiactivate;
 397     BOOL in_place_active;
 398     BOOL ui_active;
 399     BOOL window_active;
 400     BOOL has_key_path;
 401     BOOL container_locked;
 402     BOOL focus;
 403     INT download_state;
 404
 405     USERMODE usermode;
 406     LPWSTR mime;
 407
 408     DWORD update;
 409 };
 410
 411 struct NSContainer {
 412     const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
 413     const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
 414     const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
 415     const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
 416     const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
 417     const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
 418     const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
 419     const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;
 420
 421     nsIWebBrowser *webbrowser;
 422     nsIWebNavigation *navigation;
 423     nsIBaseWindow *window;
 424     nsIWebBrowserFocus *focus;
 425
 426     nsIEditor *editor;
 427     nsIController *editor_controller;
 428
 429     LONG ref;
 430
 431     NSContainer *parent;
 432     HTMLDocumentObj *doc;
 433
 434     nsIURIContentListener *content_listener;
 435
 436     HWND hwnd;
 437
 438     HWND reset_focus; /* hack */
 439 };
 440
 441 typedef struct nsWineURI nsWineURI;
 442
 443 HRESULT set_wine_url(nsWineURI*,LPCWSTR);
 444 nsresult on_start_uri_open(NSContainer*,nsIURI*,PRBool*);
 445
 446 typedef struct {
 447     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
 448     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
 449     const nsIHttpChannelInternalVtbl *lpIHttpChannelInternalVtbl;
 450
 451     LONG ref;
 452
 453     nsWineURI *uri;
 454     nsIInputStream *post_data_stream;
 455     nsILoadGroup *load_group;
 456     nsIInterfaceRequestor *notif_callback;
 457     nsISupports *owner;
 458     nsLoadFlags load_flags;
 459     nsIURI *original_uri;
 460     char *content_type;
 461     char *charset;
 462     PRUint32 response_status;
 463     UINT url_scheme;
 464 } nsChannel;
 465
 466 typedef struct {
 467     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
 468     void (*destructor)(HTMLDOMNode*);
 469     event_target_t **(*get_event_target)(HTMLDOMNode*);
 470     HRESULT (*call_event)(HTMLDOMNode*,DWORD,BOOL*);
 471     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
 472     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
 473     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
 474     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
 475     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
 476     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 477     HRESULT (*bind_to_tree)(HTMLDOMNode*);
 478 } NodeImplVtbl;
 479
 480 struct HTMLDOMNode {
 481     DispatchEx dispex;
 482     const IHTMLDOMNodeVtbl   *lpHTMLDOMNodeVtbl;
 483     const IHTMLDOMNode2Vtbl  *lpHTMLDOMNode2Vtbl;
 484     const NodeImplVtbl *vtbl;
 485
 486     LONG ref;
 487
 488     nsIDOMNode *nsnode;
 489     HTMLDocumentNode *doc;
 490     event_target_t *event_target;
 491     ConnectionPointContainer *cp_container;
 492
 493     HTMLDOMNode *next;
 494 };
 495
 496 typedef struct {
 497     HTMLDOMNode node;
 498     ConnectionPointContainer cp_container;
 499
 500     const IHTMLElementVtbl   *lpHTMLElementVtbl;
 501     const IHTMLElement2Vtbl  *lpHTMLElement2Vtbl;
 502     const IHTMLElement3Vtbl  *lpHTMLElement3Vtbl;
 503
 504     nsIDOMHTMLElement *nselem;
 505 } HTMLElement;
 506
 507 #define HTMLELEMENT_TIDS    \
 508     IHTMLDOMNode_tid,       \
 509     IHTMLDOMNode2_tid,      \
 510     IHTMLElement_tid,       \
 511     IHTMLElement2_tid,      \
 512     IHTMLElement3_tid,      \
 513     IHTMLElement4_tid
 514
 515 typedef struct {
 516     HTMLElement element;
 517
 518     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
 519
 520     ConnectionPoint cp;
 521 } HTMLTextContainer;
 522
 523 struct HTMLFrameBase {
 524     HTMLElement element;
 525
 526     const IHTMLFrameBaseVtbl   *lpIHTMLFrameBaseVtbl;
 527     const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
 528
 529     HTMLWindow *content_window;
 530
 531     nsIDOMHTMLFrameElement *nsframe;
 532     nsIDOMHTMLIFrameElement *nsiframe;
 533 };
 534
 535 typedef struct _mutation_queue_t {
 536     DWORD type;
 537     nsISupports *nsiface;
 538
 539     struct _mutation_queue_t *next;
 540 } mutation_queue_t;
 541
 542 typedef struct nsDocumentEventListener nsDocumentEventListener;
 543
 544 struct HTMLDocumentNode {
 545     HTMLDOMNode node;
 546     HTMLDocument basedoc;
 547
 548     const IInternetHostSecurityManagerVtbl *lpIInternetHostSecurityManagerVtbl;
 549
 550     const nsIDocumentObserverVtbl  *lpIDocumentObserverVtbl;
 551     const nsIRunnableVtbl  *lpIRunnableVtbl;
 552
 553     LONG ref;
 554
 555     nsIDOMHTMLDocument *nsdoc;
 556     HTMLDOMNode *nodes;
 557     BOOL content_ready;
 558     event_target_t *body_event_target;
 559
 560     IInternetSecurityManager *secmgr;
 561     ICatInformation *catmgr;
 562     nsDocumentEventListener *nsevent_listener;
 563     BOOL *event_vector;
 564
 565     mutation_queue_t *mutation_queue;
 566     mutation_queue_t *mutation_queue_tail;
 567
 568     struct list bindings;
 569     struct list selection_list;
 570     struct list range_list;
 571 };
 572
 573 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
 574 #define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)
 575 #define HTMLWINDOW4(x)   ((IHTMLWindow4*)                 &(x)->lpHTMLWindow4Vtbl)
 576
 577 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
 578 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
 579 #define HTMLDOC4(x)      ((IHTMLDocument4*)               &(x)->lpHTMLDocument4Vtbl)
 580 #define HTMLDOC5(x)      ((IHTMLDocument5*)               &(x)->lpHTMLDocument5Vtbl)
 581 #define HTMLDOC6(x)      ((IHTMLDocument6*)               &(x)->lpHTMLDocument6Vtbl)
 582 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
 583 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
 584 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 585 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 586 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 587 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
 588 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
 589 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
 590 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
 591 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObjectExVtbl)
 592 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObjectExVtbl)
 593 #define VIEWOBJEX(x)      ((IViewObjectEx*)               &(x)->lpViewObjectExVtbl)
 594 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
 595 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
 596 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
 597 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
 598 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 599 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 600 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
 601 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
 602 #define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
 603 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
 604 #define OBJSITE(x)       ((IObjectWithSite*)              &(x)->lpObjectWithSiteVtbl)
 605
 606 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
 607 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
 608 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
 609 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
 610 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
 611 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
 612 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 613 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
 614 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
 615
 616 #define NSDOCOBS(x)      ((nsIDocumentObserver*)          &(x)->lpIDocumentObserverVtbl)
 617
 618 #define NSRUNNABLE(x)    ((nsIRunnable*)  &(x)->lpIRunnableVtbl)
 619
 620 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
 621 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
 622 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
 623 #define NSHTTPINTERNAL(x) ((nsIHttpChannelInternal*)  &(x)->lpIHttpChannelInternalVtbl)
 624
 625 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
 626 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
 627 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
 628
 629 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
 630 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
 631 #define HTMLELEM3(x)     ((IHTMLElement3*)                &(x)->lpHTMLElement3Vtbl)
 632 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
 633 #define HTMLDOMNODE2(x)  ((IHTMLDOMNode2*)                &(x)->lpHTMLDOMNode2Vtbl)
 634
 635 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 636 #define HTMLFRAMEBASE(x) ((IHTMLFrameBase*)               &(x)->lpIHTMLFrameBaseVtbl)
 637 #define HTMLFRAMEBASE2(x) ((IHTMLFrameBase2*)             &(x)->lpIHTMLFrameBase2Vtbl)
 638
 639 #define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
 640 #define HTMLIMGFACTORY(x)  ((IHTMLImageElementFactory*)   &(x)->lpHTMLImageElementFactoryVtbl)
 641 #define HTMLLOCATION(x)    ((IHTMLLocation*)              &(x)->lpHTMLLocationVtbl)
 642
 643 #define DISPATCHEX(x)    ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 644
 645 #define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
 646
 647 #define HOSTSECMGR(x)    ((IInternetHostSecurityManager*)  &(x)->lpIInternetHostSecurityManagerVtbl)
 648
 649 #define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
 650 #define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)
 651
 652 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
 653 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
 654 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**);
 655
 656 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**);
 657 void update_window_doc(HTMLWindow*);
 658 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
 659 nsIDOMWindow *get_nsdoc_window(nsIDOMDocument*);
 660 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*);
 661 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*);
 662 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**);
 663 IOmNavigator *OmNavigator_Create(void);
 664 HRESULT HTMLScreen_Create(IHTMLScreen**);
 665
 666 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
 667 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*);
 668 void HTMLDocument_Persist_Init(HTMLDocument*);
 669 void HTMLDocument_OleCmd_Init(HTMLDocument*);
 670 void HTMLDocument_OleObj_Init(HTMLDocument*);
 671 void HTMLDocument_View_Init(HTMLDocument*);
 672 void HTMLDocument_Window_Init(HTMLDocument*);
 673 void HTMLDocument_Service_Init(HTMLDocument*);
 674 void HTMLDocument_Hlink_Init(HTMLDocument*);
 675
 676 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*);
 677
 678 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);
 679
 680 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*);
 681 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*);
 682 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
 683
 684 NSContainer *NSContainer_Create(HTMLDocumentObj*,NSContainer*);
 685 void NSContainer_Release(NSContainer*);
 686
 687 void init_mutation(HTMLDocumentNode*);
 688 void release_mutation(HTMLDocumentNode*);
 689
 690 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL);
 691 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*);
 692 void notif_focus(HTMLDocumentObj*);
 693
 694 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR);
 695 void hide_tooltip(HTMLDocumentObj*);
 696 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
 697
 698 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
 699
 700 BOOL load_gecko(BOOL);
 701 void close_gecko(void);
 702 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
 703 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
 704 void release_nsio(void);
 705 BOOL install_wine_gecko(BOOL);
 706
 707 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*);
 708 HRESULT create_doc_uri(HTMLWindow*,WCHAR*,nsWineURI**);
 709 HRESULT load_nsuri(HTMLWindow*,nsWineURI*,nsChannelBSC*,DWORD);
 710
 711 HRESULT hlink_frame_navigate(HTMLDocument*,LPCWSTR,nsIInputStream*,DWORD);
 712 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*);
 713 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*);
 714
 715 void call_property_onchanged(ConnectionPoint*,DISPID);
 716 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);
 717
 718 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
 719 void nsfree(void*);
 720
 721 void nsACString_SetData(nsACString*,const char*);
 722 PRUint32 nsACString_GetData(const nsACString*,const char**);
 723
 724 BOOL nsAString_Init(nsAString*,const PRUnichar*);
 725 void nsAString_InitDepend(nsAString*,const PRUnichar*);
 726 void nsAString_SetData(nsAString*,const PRUnichar*);
 727 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**);
 728 void nsAString_Finish(nsAString*);
 729
 730 nsICommandParams *create_nscommand_params(void);
 731 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*);
 732 void get_editor_controller(NSContainer*);
 733 nsresult get_nsinterface(nsISupports*,REFIID,void**);
 734
 735 void init_nsevents(HTMLDocumentNode*);
 736 void release_nsevents(HTMLDocumentNode*);
 737 void add_nsevent_listener(HTMLDocumentNode*,LPCWSTR);
 738
 739 void set_window_bscallback(HTMLWindow*,nsChannelBSC*);
 740 void set_current_mon(HTMLWindow*,IMoniker*);
 741 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*);
 742 void abort_document_bindings(HTMLDocumentNode*);
 743
 744 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*);
 745
 746 nsChannelBSC *create_channelbsc(IMoniker*);
 747 HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*);
 748 void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*);
 749 IMoniker *get_channelbsc_mon(nsChannelBSC*);
 750
 751 void set_ready_state(HTMLWindow*,READYSTATE);
 752
 753 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**);
 754 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**);
 755 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 756 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*);
 757 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*);
 758
 759 void detach_selection(HTMLDocumentNode*);
 760 void detach_ranges(HTMLDocumentNode*);
 761 HRESULT get_node_text(HTMLDOMNode*,BSTR*);
 762
 763 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**);
 764
 765 HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*);
 766
 767 HTMLElement *HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 768 HTMLElement *HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*);
 769 HTMLElement *HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 770 HTMLElement *HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 771 HTMLElement *HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 772 HTMLElement *HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 773 HTMLElement *HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 774 HTMLElement *HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 775 HTMLElement *HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 776 HTMLElement *HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 777 HTMLElement *HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 778 HTMLElement *HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 779 HTMLElement *HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 780 HTMLElement *HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 781 HTMLElement *HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 782 HTMLElement *HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 783
 784 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*);
 785 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 786 void HTMLElement2_Init(HTMLElement*);
 787 void HTMLElement3_Init(HTMLElement*);
 788 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 789 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 790
 791 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
 792 void HTMLDOMNode_destructor(HTMLDOMNode*);
 793
 794 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**);
 795 void HTMLElement_destructor(HTMLDOMNode*);
 796
 797 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**);
 798 void HTMLFrameBase_destructor(HTMLFrameBase*);
 799
 800 HTMLDOMNode *get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 801 void release_nodes(HTMLDocumentNode*);
 802
 803 void release_script_hosts(HTMLWindow*);
 804 void connect_scripts(HTMLWindow*);
 805 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*);
 806 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR);
 807 void set_script_mode(HTMLWindow*,SCRIPTMODE);
 808 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*);
 809 IDispatch *get_script_disp(ScriptHost*);
 810 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*);
 811
 812 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL);
 813 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*);
 814 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*);
 815
 816 /* commands */
 817 typedef struct {
 818     DWORD id;
 819     HRESULT (*query)(HTMLDocument*,OLECMD*);
 820     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 821 } cmdtable_t;
 822
 823 extern const cmdtable_t editmode_cmds[];
 824
 825 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*);
 826
 827 /* timer */
 828 #define UPDATE_UI       0x0001
 829 #define UPDATE_TITLE    0x0002
 830
 831 void update_doc(HTMLDocument*,DWORD);
 832 void update_title(HTMLDocumentObj*);
 833
 834 /* editor */
 835 void init_editor(HTMLDocument*);
 836 void set_ns_editmode(NSContainer*);
 837 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
 838 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 839 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 840 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 841 void handle_edit_load(HTMLDocument*);
 842 HRESULT editor_is_dirty(HTMLDocument*);
 843 void set_dirty(HTMLDocument*,VARIANT_BOOL);
 844
 845 extern DWORD mshtml_tls;
 846
 847 typedef struct task_t task_t;
 848 typedef void (*task_proc_t)(task_t*);
 849
 850 struct task_t {
 851     LONG target_magic;
 852     task_proc_t proc;
 853     struct task_t *next;
 854 };
 855
 856 typedef struct {
 857     task_t header;
 858     HTMLDocumentObj *doc;
 859 } docobj_task_t;
 860
 861 typedef struct {
 862     HWND thread_hwnd;
 863     task_t *task_queue_head;
 864     task_t *task_queue_tail;
 865     struct list timer_list;
 866 } thread_data_t;
 867
 868 thread_data_t *get_thread_data(BOOL);
 869 HWND get_thread_hwnd(void);
 870
 871 LONG get_task_target_magic(void);
 872 void push_task(task_t*,task_proc_t,LONG);
 873 void remove_target_tasks(LONG);
 874
 875 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*);
 876 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD);
 877
 878 void release_typelib(void);
 879 HRESULT call_disp_func(IDispatch*,DISPPARAMS*);
 880
 881 const char *debugstr_variant(const VARIANT*);
 882
 883 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 884 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 885 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 886 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 887 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 888
 889 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 890
 891 /* memory allocation functions */
 892
 893 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 894 {
 895     return HeapAlloc(GetProcessHeap(), 0, len);
 896 }
 897
 898 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 899 {
 900     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 901 }
 902
 903 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 904 {
 905     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 906 }
 907
 908 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 909 {
 910     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 911 }
 912
 913 static inline BOOL heap_free(void *mem)
 914 {
 915     return HeapFree(GetProcessHeap(), 0, mem);
 916 }
 917
 918 static inline LPWSTR heap_strdupW(LPCWSTR str)
 919 {
 920     LPWSTR ret = NULL;
 921
 922     if(str) {
 923         DWORD size;
 924
 925         size = (strlenW(str)+1)*sizeof(WCHAR);
 926         ret = heap_alloc(size);
 927         memcpy(ret, str, size);
 928     }
 929
 930     return ret;
 931 }
 932
 933 static inline char *heap_strdupA(const char *str)
 934 {
 935     char *ret = NULL;
 936
 937     if(str) {
 938         DWORD size;
 939
 940         size = strlen(str)+1;
 941         ret = heap_alloc(size);
 942         memcpy(ret, str, size);
 943     }
 944
 945     return ret;
 946 }
 947
 948 static inline WCHAR *heap_strdupAtoW(const char *str)
 949 {
 950     LPWSTR ret = NULL;
 951
 952     if(str) {
 953         DWORD len;
 954
 955         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 956         ret = heap_alloc(len*sizeof(WCHAR));
 957         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
 958     }
 959
 960     return ret;
 961 }
 962
 963 static inline char *heap_strdupWtoA(LPCWSTR str)
 964 {
 965     char *ret = NULL;
 966
 967     if(str) {
 968         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 969         ret = heap_alloc(size);
 970         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
 971     }
 972
 973     return ret;
 974 }
 975
 976 static inline void windowref_addref(windowref_t *ref)
 977 {
 978     InterlockedIncrement(&ref->ref);
 979 }
 980
 981 static inline void windowref_release(windowref_t *ref)
 982 {
 983     if(!InterlockedDecrement(&ref->ref))
 984         heap_free(ref);
 985 }
 986
 987 HDC get_display_dc(void);
 988 HINSTANCE get_shdoclc(void);
 989
 990 extern HINSTANCE hInst;