git.oblomov.eu Git - wine/blob - 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 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 nsWineURI nsWineURI;
 438
 439 HRESULT set_wine_url(nsWineURI*,LPCWSTR);
 440 nsresult on_start_uri_open(NSContainer*,nsIURI*,PRBool*);
 441
 442 typedef struct {
 443     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
 444     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
 445     const nsIHttpChannelInternalVtbl *lpIHttpChannelInternalVtbl;
 446
 447     LONG ref;
 448
 449     nsWineURI *uri;
 450     nsIInputStream *post_data_stream;
 451     nsILoadGroup *load_group;
 452     nsIInterfaceRequestor *notif_callback;
 453     nsISupports *owner;
 454     nsLoadFlags load_flags;
 455     nsIURI *original_uri;
 456     char *content_type;
 457     char *charset;
 458     PRUint32 response_status;
 459     UINT url_scheme;
 460 } nsChannel;
 461
 462 typedef struct {
 463     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
 464     void (*destructor)(HTMLDOMNode*);
 465     event_target_t **(*get_event_target)(HTMLDOMNode*);
 466     HRESULT (*call_event)(HTMLDOMNode*,DWORD,BOOL*);
 467     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
 468     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
 469     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
 470     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
 471     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
 472     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 473     HRESULT (*bind_to_tree)(HTMLDOMNode*);
 474 } NodeImplVtbl;
 475
 476 struct HTMLDOMNode {
 477     DispatchEx dispex;
 478     const IHTMLDOMNodeVtbl   *lpHTMLDOMNodeVtbl;
 479     const IHTMLDOMNode2Vtbl  *lpHTMLDOMNode2Vtbl;
 480     const NodeImplVtbl *vtbl;
 481
 482     LONG ref;
 483
 484     nsIDOMNode *nsnode;
 485     HTMLDocumentNode *doc;
 486     event_target_t *event_target;
 487     ConnectionPointContainer *cp_container;
 488
 489     HTMLDOMNode *next;
 490 };
 491
 492 typedef struct {
 493     HTMLDOMNode node;
 494     ConnectionPointContainer cp_container;
 495
 496     const IHTMLElementVtbl   *lpHTMLElementVtbl;
 497     const IHTMLElement2Vtbl  *lpHTMLElement2Vtbl;
 498     const IHTMLElement3Vtbl  *lpHTMLElement3Vtbl;
 499
 500     nsIDOMHTMLElement *nselem;
 501 } HTMLElement;
 502
 503 #define HTMLELEMENT_TIDS    \
 504     IHTMLDOMNode_tid,       \
 505     IHTMLDOMNode2_tid,      \
 506     IHTMLElement_tid,       \
 507     IHTMLElement2_tid,      \
 508     IHTMLElement3_tid,      \
 509     IHTMLElement4_tid
 510
 511 typedef struct {
 512     HTMLElement element;
 513
 514     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
 515
 516     ConnectionPoint cp;
 517 } HTMLTextContainer;
 518
 519 struct HTMLFrameBase {
 520     HTMLElement element;
 521
 522     const IHTMLFrameBaseVtbl   *lpIHTMLFrameBaseVtbl;
 523     const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
 524
 525     HTMLWindow *content_window;
 526
 527     nsIDOMHTMLFrameElement *nsframe;
 528     nsIDOMHTMLIFrameElement *nsiframe;
 529 };
 530
 531 typedef struct _mutation_queue_t {
 532     DWORD type;
 533     nsISupports *nsiface;
 534
 535     struct _mutation_queue_t *next;
 536 } mutation_queue_t;
 537
 538 typedef struct nsDocumentEventListener nsDocumentEventListener;
 539
 540 struct HTMLDocumentNode {
 541     HTMLDOMNode node;
 542     HTMLDocument basedoc;
 543
 544     const IInternetHostSecurityManagerVtbl *lpIInternetHostSecurityManagerVtbl;
 545
 546     const nsIDocumentObserverVtbl  *lpIDocumentObserverVtbl;
 547     const nsIRunnableVtbl  *lpIRunnableVtbl;
 548
 549     LONG ref;
 550
 551     nsIDOMHTMLDocument *nsdoc;
 552     HTMLDOMNode *nodes;
 553     BOOL content_ready;
 554     event_target_t *body_event_target;
 555
 556     IInternetSecurityManager *secmgr;
 557     ICatInformation *catmgr;
 558     nsDocumentEventListener *nsevent_listener;
 559     BOOL *event_vector;
 560
 561     mutation_queue_t *mutation_queue;
 562     mutation_queue_t *mutation_queue_tail;
 563
 564     struct list bindings;
 565     struct list selection_list;
 566     struct list range_list;
 567 };
 568
 569 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
 570 #define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)
 571 #define HTMLWINDOW4(x)   ((IHTMLWindow4*)                 &(x)->lpHTMLWindow4Vtbl)
 572
 573 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
 574 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
 575 #define HTMLDOC4(x)      ((IHTMLDocument4*)               &(x)->lpHTMLDocument4Vtbl)
 576 #define HTMLDOC5(x)      ((IHTMLDocument5*)               &(x)->lpHTMLDocument5Vtbl)
 577 #define HTMLDOC6(x)      ((IHTMLDocument6*)               &(x)->lpHTMLDocument6Vtbl)
 578 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
 579 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
 580 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 581 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 582 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 583 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
 584 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
 585 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
 586 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
 587 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObjectExVtbl)
 588 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObjectExVtbl)
 589 #define VIEWOBJEX(x)      ((IViewObjectEx*)               &(x)->lpViewObjectExVtbl)
 590 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
 591 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
 592 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
 593 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
 594 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 595 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 596 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
 597 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
 598 #define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
 599 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
 600 #define OBJSITE(x)       ((IObjectWithSite*)              &(x)->lpObjectWithSiteVtbl)
 601
 602 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
 603 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
 604 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
 605 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
 606 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
 607 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
 608 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 609 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
 610 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
 611
 612 #define NSDOCOBS(x)      ((nsIDocumentObserver*)          &(x)->lpIDocumentObserverVtbl)
 613
 614 #define NSRUNNABLE(x)    ((nsIRunnable*)  &(x)->lpIRunnableVtbl)
 615
 616 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
 617 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
 618 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
 619 #define NSHTTPINTERNAL(x) ((nsIHttpChannelInternal*)  &(x)->lpIHttpChannelInternalVtbl)
 620
 621 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
 622 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
 623 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
 624
 625 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
 626 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
 627 #define HTMLELEM3(x)     ((IHTMLElement3*)                &(x)->lpHTMLElement3Vtbl)
 628 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
 629 #define HTMLDOMNODE2(x)  ((IHTMLDOMNode2*)                &(x)->lpHTMLDOMNode2Vtbl)
 630
 631 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 632 #define HTMLFRAMEBASE(x) ((IHTMLFrameBase*)               &(x)->lpIHTMLFrameBaseVtbl)
 633 #define HTMLFRAMEBASE2(x) ((IHTMLFrameBase2*)             &(x)->lpIHTMLFrameBase2Vtbl)
 634
 635 #define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
 636 #define HTMLIMGFACTORY(x)  ((IHTMLImageElementFactory*)   &(x)->lpHTMLImageElementFactoryVtbl)
 637 #define HTMLLOCATION(x)    ((IHTMLLocation*)              &(x)->lpHTMLLocationVtbl)
 638
 639 #define DISPATCHEX(x)    ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
 640
 641 #define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
 642
 643 #define HOSTSECMGR(x)    ((IInternetHostSecurityManager*)  &(x)->lpIInternetHostSecurityManagerVtbl)
 644
 645 #define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
 646 #define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)
 647
 648 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
 649 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
 650 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**);
 651
 652 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**);
 653 void update_window_doc(HTMLWindow*);
 654 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
 655 nsIDOMWindow *get_nsdoc_window(nsIDOMDocument*);
 656 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*);
 657 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*);
 658 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**);
 659 IOmNavigator *OmNavigator_Create(void);
 660 HRESULT HTMLScreen_Create(IHTMLScreen**);
 661
 662 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
 663 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*);
 664 void HTMLDocument_Persist_Init(HTMLDocument*);
 665 void HTMLDocument_OleCmd_Init(HTMLDocument*);
 666 void HTMLDocument_OleObj_Init(HTMLDocument*);
 667 void HTMLDocument_View_Init(HTMLDocument*);
 668 void HTMLDocument_Window_Init(HTMLDocument*);
 669 void HTMLDocument_Service_Init(HTMLDocument*);
 670 void HTMLDocument_Hlink_Init(HTMLDocument*);
 671
 672 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*);
 673
 674 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);
 675
 676 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*);
 677 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*);
 678 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
 679
 680 NSContainer *NSContainer_Create(HTMLDocumentObj*,NSContainer*);
 681 void NSContainer_Release(NSContainer*);
 682
 683 void init_mutation(HTMLDocumentNode*);
 684 void release_mutation(HTMLDocumentNode*);
 685
 686 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL);
 687 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*);
 688 void notif_focus(HTMLDocumentObj*);
 689
 690 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR);
 691 void hide_tooltip(HTMLDocumentObj*);
 692 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
 693
 694 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
 695
 696 BOOL load_gecko(BOOL);
 697 void close_gecko(void);
 698 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
 699 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
 700 void release_nsio(void);
 701 BOOL install_wine_gecko(BOOL);
 702
 703 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*);
 704 HRESULT create_doc_uri(HTMLWindow*,WCHAR*,nsIWineURI**);
 705
 706 HRESULT hlink_frame_navigate(HTMLDocument*,LPCWSTR,nsIInputStream*,DWORD);
 707 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*);
 708 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*);
 709 HRESULT load_nsuri(HTMLWindow*,nsIWineURI*,DWORD);
 710
 711 void call_property_onchanged(ConnectionPoint*,DISPID);
 712 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);
 713
 714 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
 715 void nsfree(void*);
 716
 717 void nsACString_SetData(nsACString*,const char*);
 718 PRUint32 nsACString_GetData(const nsACString*,const char**);
 719
 720 BOOL nsAString_Init(nsAString*,const PRUnichar*);
 721 void nsAString_InitDepend(nsAString*,const PRUnichar*);
 722 void nsAString_SetData(nsAString*,const PRUnichar*);
 723 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**);
 724 void nsAString_Finish(nsAString*);
 725
 726 nsICommandParams *create_nscommand_params(void);
 727 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*);
 728 void get_editor_controller(NSContainer*);
 729 nsresult get_nsinterface(nsISupports*,REFIID,void**);
 730
 731 void init_nsevents(HTMLDocumentNode*);
 732 void release_nsevents(HTMLDocumentNode*);
 733 void add_nsevent_listener(HTMLDocumentNode*,LPCWSTR);
 734
 735 void set_window_bscallback(HTMLWindow*,nsChannelBSC*);
 736 void set_current_mon(HTMLWindow*,IMoniker*);
 737 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*);
 738 void abort_document_bindings(HTMLDocumentNode*);
 739
 740 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*);
 741
 742 nsChannelBSC *create_channelbsc(IMoniker*);
 743 HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*);
 744 void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*);
 745 IMoniker *get_channelbsc_mon(nsChannelBSC*);
 746
 747 void set_ready_state(HTMLWindow*,READYSTATE);
 748
 749 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**);
 750 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**);
 751 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 752 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*);
 753 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*);
 754
 755 void detach_selection(HTMLDocumentNode*);
 756 void detach_ranges(HTMLDocumentNode*);
 757 HRESULT get_node_text(HTMLDOMNode*,BSTR*);
 758
 759 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**);
 760
 761 HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*);
 762
 763 HTMLElement *HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 764 HTMLElement *HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*);
 765 HTMLElement *HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 766 HTMLElement *HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 767 HTMLElement *HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 768 HTMLElement *HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 769 HTMLElement *HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 770 HTMLElement *HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 771 HTMLElement *HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 772 HTMLElement *HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 773 HTMLElement *HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 774 HTMLElement *HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 775 HTMLElement *HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 776 HTMLElement *HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 777 HTMLElement *HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 778 HTMLElement *HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
 779
 780 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*);
 781 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 782 void HTMLElement2_Init(HTMLElement*);
 783 void HTMLElement3_Init(HTMLElement*);
 784 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 785 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
 786
 787 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
 788 void HTMLDOMNode_destructor(HTMLDOMNode*);
 789
 790 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**);
 791 void HTMLElement_destructor(HTMLDOMNode*);
 792
 793 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**);
 794 void HTMLFrameBase_destructor(HTMLFrameBase*);
 795
 796 HTMLDOMNode *get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL);
 797 void release_nodes(HTMLDocumentNode*);
 798
 799 void release_script_hosts(HTMLWindow*);
 800 void connect_scripts(HTMLWindow*);
 801 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*);
 802 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR);
 803 void set_script_mode(HTMLWindow*,SCRIPTMODE);
 804 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*);
 805 IDispatch *get_script_disp(ScriptHost*);
 806 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*);
 807
 808 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL);
 809 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*);
 810 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*);
 811
 812 /* commands */
 813 typedef struct {
 814     DWORD id;
 815     HRESULT (*query)(HTMLDocument*,OLECMD*);
 816     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 817 } cmdtable_t;
 818
 819 extern const cmdtable_t editmode_cmds[];
 820
 821 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*);
 822
 823 /* timer */
 824 #define UPDATE_UI       0x0001
 825 #define UPDATE_TITLE    0x0002
 826
 827 void update_doc(HTMLDocument*,DWORD);
 828 void update_title(HTMLDocumentObj*);
 829
 830 /* editor */
 831 void init_editor(HTMLDocument*);
 832 void set_ns_editmode(NSContainer*);
 833 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
 834 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 835 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 836 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 837 void handle_edit_load(HTMLDocument*);
 838 HRESULT editor_is_dirty(HTMLDocument*);
 839 void set_dirty(HTMLDocument*,VARIANT_BOOL);
 840
 841 extern DWORD mshtml_tls;
 842
 843 typedef struct task_t task_t;
 844 typedef void (*task_proc_t)(task_t*);
 845
 846 struct task_t {
 847     LONG target_magic;
 848     task_proc_t proc;
 849     struct task_t *next;
 850 };
 851
 852 typedef struct {
 853     task_t header;
 854     HTMLDocumentObj *doc;
 855 } docobj_task_t;
 856
 857 typedef struct {
 858     HWND thread_hwnd;
 859     task_t *task_queue_head;
 860     task_t *task_queue_tail;
 861     struct list timer_list;
 862 } thread_data_t;
 863
 864 thread_data_t *get_thread_data(BOOL);
 865 HWND get_thread_hwnd(void);
 866
 867 LONG get_task_target_magic(void);
 868 void push_task(task_t*,task_proc_t,LONG);
 869 void remove_target_tasks(LONG);
 870
 871 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*);
 872 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD);
 873
 874 void release_typelib(void);
 875 HRESULT call_disp_func(IDispatch*,DISPPARAMS*);
 876
 877 const char *debugstr_variant(const VARIANT*);
 878
 879 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 880 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 881 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 882 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 883 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 884
 885 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 886
 887 /* memory allocation functions */
 888
 889 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 890 {
 891     return HeapAlloc(GetProcessHeap(), 0, len);
 892 }
 893
 894 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 895 {
 896     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 897 }
 898
 899 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 900 {
 901     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 902 }
 903
 904 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 905 {
 906     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 907 }
 908
 909 static inline BOOL heap_free(void *mem)
 910 {
 911     return HeapFree(GetProcessHeap(), 0, mem);
 912 }
 913
 914 static inline LPWSTR heap_strdupW(LPCWSTR str)
 915 {
 916     LPWSTR ret = NULL;
 917
 918     if(str) {
 919         DWORD size;
 920
 921         size = (strlenW(str)+1)*sizeof(WCHAR);
 922         ret = heap_alloc(size);
 923         memcpy(ret, str, size);
 924     }
 925
 926     return ret;
 927 }
 928
 929 static inline char *heap_strdupA(const char *str)
 930 {
 931     char *ret = NULL;
 932
 933     if(str) {
 934         DWORD size;
 935
 936         size = strlen(str)+1;
 937         ret = heap_alloc(size);
 938         memcpy(ret, str, size);
 939     }
 940
 941     return ret;
 942 }
 943
 944 static inline WCHAR *heap_strdupAtoW(const char *str)
 945 {
 946     LPWSTR ret = NULL;
 947
 948     if(str) {
 949         DWORD len;
 950
 951         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 952         ret = heap_alloc(len*sizeof(WCHAR));
 953         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
 954     }
 955
 956     return ret;
 957 }
 958
 959 static inline char *heap_strdupWtoA(LPCWSTR str)
 960 {
 961     char *ret = NULL;
 962
 963     if(str) {
 964         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 965         ret = heap_alloc(size);
 966         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
 967     }
 968
 969     return ret;
 970 }
 971
 972 static inline void windowref_addref(windowref_t *ref)
 973 {
 974     InterlockedIncrement(&ref->ref);
 975 }
 976
 977 static inline void windowref_release(windowref_t *ref)
 978 {
 979     if(!InterlockedDecrement(&ref->ref))
 980         heap_free(ref);
 981 }
 982
 983 HDC get_display_dc(void);
 984 HINSTANCE get_shdoclc(void);
 985
 986 extern HINSTANCE hInst;