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 "docobjectservice.h"
  22 #include "comcat.h"
  23 #include "mshtml.h"
  24 #include "mshtmhst.h"
  25 #include "hlink.h"
  26 #include "perhist.h"
  27 #include "dispex.h"
  28 #include "objsafe.h"
  29
  30 #include "wine/list.h"
  31 #include "wine/unicode.h"
  32
  33 #ifdef INIT_GUID
  34 #include "initguid.h"
  35 #endif
  36
  37 #include "nsiface.h"
  38
  39 #define NS_ERROR_GENERATE_FAILURE(module,code) \
  40     ((nsresult) (((PRUint32)(1<<31)) | ((PRUint32)(module+0x45)<<16) | ((PRUint32)(code))))
  41
  42 #define NS_OK                     ((nsresult)0x00000000L)
  43 #define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
  44 #define NS_ERROR_OUT_OF_MEMORY    ((nsresult)0x8007000EL)
  45 #define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
  46 #define NS_NOINTERFACE            ((nsresult)0x80004002L)
  47 #define NS_ERROR_INVALID_POINTER  ((nsresult)0x80004003L)
  48 #define NS_ERROR_NULL_POINTER     NS_ERROR_INVALID_POINTER
  49 #define NS_ERROR_NOT_AVAILABLE    ((nsresult)0x80040111L)
  50 #define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L)
  51 #define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
  52
  53 #define NS_ERROR_MODULE_NETWORK    6
  54
  55 #define NS_BINDING_ABORTED         NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_NETWORK, 2)
  56 #define NS_ERROR_UNKNOWN_PROTOCOL  NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_NETWORK, 18)
  57
  58 #define NS_FAILED(res) ((res) & 0x80000000)
  59 #define NS_SUCCEEDED(res) (!NS_FAILED(res))
  60
  61 #define NSAPI WINAPI
  62
  63 #define MSHTML_E_NODOC    0x800a025c
  64
  65 typedef struct HTMLDOMNode HTMLDOMNode;
  66 typedef struct ConnectionPoint ConnectionPoint;
  67 typedef struct BSCallback BSCallback;
  68 typedef struct event_target_t event_target_t;
  69
  70 #define TID_LIST \
  71     XIID(NULL) \
  72     XDIID(DispCEventObj) \
  73     XDIID(DispCPlugins) \
  74     XDIID(DispDOMChildrenCollection) \
  75     XDIID(DispHTMLAnchorElement) \
  76     XDIID(DispHTMLBody) \
  77     XDIID(DispHTMLCommentElement) \
  78     XDIID(DispHTMLCurrentStyle) \
  79     XDIID(DispHTMLDocument) \
  80     XDIID(DispHTMLDOMAttribute) \
  81     XDIID(DispHTMLDOMTextNode) \
  82     XDIID(DispHTMLElementCollection) \
  83     XDIID(DispHTMLEmbed) \
  84     XDIID(DispHTMLFormElement) \
  85     XDIID(DispHTMLGenericElement) \
  86     XDIID(DispHTMLFrameElement) \
  87     XDIID(DispHTMLHeadElement) \
  88     XDIID(DispHTMLIFrame) \
  89     XDIID(DispHTMLImg) \
  90     XDIID(DispHTMLInputElement) \
  91     XDIID(DispHTMLLocation) \
  92     XDIID(DispHTMLNavigator) \
  93     XDIID(DispHTMLObjectElement) \
  94     XDIID(DispHTMLOptionElement) \
  95     XDIID(DispHTMLScreen) \
  96     XDIID(DispHTMLScriptElement) \
  97     XDIID(DispHTMLSelectElement) \
  98     XDIID(DispHTMLStyle) \
  99     XDIID(DispHTMLStyleElement) \
 100     XDIID(DispHTMLStyleSheetsCollection) \
 101     XDIID(DispHTMLTable) \
 102     XDIID(DispHTMLTableRow) \
 103     XDIID(DispHTMLTextAreaElement) \
 104     XDIID(DispHTMLTitleElement) \
 105     XDIID(DispHTMLUnknownElement) \
 106     XDIID(DispHTMLWindow2) \
 107     XDIID(HTMLDocumentEvents) \
 108     XIID(IHTMLAnchorElement) \
 109     XIID(IHTMLBodyElement) \
 110     XIID(IHTMLBodyElement2) \
 111     XIID(IHTMLCommentElement) \
 112     XIID(IHTMLCurrentStyle) \
 113     XIID(IHTMLCurrentStyle2) \
 114     XIID(IHTMLCurrentStyle3) \
 115     XIID(IHTMLCurrentStyle4) \
 116     XIID(IHTMLDocument2) \
 117     XIID(IHTMLDocument3) \
 118     XIID(IHTMLDocument4) \
 119     XIID(IHTMLDocument5) \
 120     XIID(IHTMLDOMAttribute) \
 121     XIID(IHTMLDOMChildrenCollection) \
 122     XIID(IHTMLDOMNode) \
 123     XIID(IHTMLDOMNode2) \
 124     XIID(IHTMLDOMTextNode) \
 125     XIID(IHTMLElement) \
 126     XIID(IHTMLElement2) \
 127     XIID(IHTMLElement3) \
 128     XIID(IHTMLElement4) \
 129     XIID(IHTMLElementCollection) \
 130     XIID(IHTMLEmbedElement) \
 131     XIID(IHTMLEventObj) \
 132     XIID(IHTMLFiltersCollection) \
 133     XIID(IHTMLFormElement) \
 134     XIID(IHTMLFrameBase) \
 135     XIID(IHTMLFrameBase2) \
 136     XIID(IHTMLFrameElement3) \
 137     XIID(IHTMLGenericElement) \
 138     XIID(IHTMLHeadElement) \
 139     XIID(IHTMLIFrameElement) \
 140     XIID(IHTMLImageElementFactory) \
 141     XIID(IHTMLImgElement) \
 142     XIID(IHTMLInputElement) \
 143     XIID(IHTMLLocation) \
 144     XIID(IHTMLMimeTypesCollection) \
 145     XIID(IHTMLObjectElement) \
 146     XIID(IHTMLOptionElement) \
 147     XIID(IHTMLPluginsCollection) \
 148     XIID(IHTMLRect) \
 149     XIID(IHTMLScreen) \
 150     XIID(IHTMLScriptElement) \
 151     XIID(IHTMLSelectElement) \
 152     XIID(IHTMLStyle) \
 153     XIID(IHTMLStyle2) \
 154     XIID(IHTMLStyle3) \
 155     XIID(IHTMLStyle4) \
 156     XIID(IHTMLStyleElement) \
 157     XIID(IHTMLStyleSheetsCollection) \
 158     XIID(IHTMLTable) \
 159     XIID(IHTMLTableRow) \
 160     XIID(IHTMLTextAreaElement) \
 161     XIID(IHTMLTextContainer) \
 162     XIID(IHTMLTitleElement) \
 163     XIID(IHTMLUniqueName) \
 164     XIID(IHTMLWindow2) \
 165     XIID(IHTMLWindow3) \
 166     XIID(IHTMLWindow4) \
 167     XIID(IOmNavigator)
 168
 169 typedef enum {
 170 #define XIID(iface) iface ## _tid,
 171 #define XDIID(iface) iface ## _tid,
 172 TID_LIST
 173 #undef XIID
 174 #undef XDIID
 175     LAST_tid
 176 } tid_t;
 177
 178 typedef struct dispex_data_t dispex_data_t;
 179 typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;
 180
 181 #define MSHTML_DISPID_CUSTOM_MIN 0x60000000
 182 #define MSHTML_DISPID_CUSTOM_MAX 0x6fffffff
 183 #define MSHTML_CUSTOM_DISPID_CNT (MSHTML_DISPID_CUSTOM_MAX-MSHTML_DISPID_CUSTOM_MIN)
 184
 185 typedef struct DispatchEx DispatchEx;
 186
 187 typedef struct {
 188     HRESULT (*value)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 189     HRESULT (*get_dispid)(DispatchEx*,BSTR,DWORD,DISPID*);
 190     HRESULT (*invoke)(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 191 } dispex_static_data_vtbl_t;
 192
 193 typedef struct {
 194     const dispex_static_data_vtbl_t *vtbl;
 195     const tid_t disp_tid;
 196     dispex_data_t *data;
 197     const tid_t* const iface_tids;
 198 } dispex_static_data_t;
 199
 200 struct DispatchEx {
 201     IDispatchEx IDispatchEx_iface;
 202
 203     IUnknown *outer;
 204
 205     dispex_static_data_t *data;
 206     dispex_dynamic_data_t *dynamic_data;
 207 };
 208
 209 void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 210 void release_dispex(DispatchEx*) DECLSPEC_HIDDEN;
 211 BOOL dispex_query_interface(DispatchEx*,REFIID,void**) DECLSPEC_HIDDEN;
 212 HRESULT dispex_get_dprop_ref(DispatchEx*,const WCHAR*,BOOL,VARIANT**) DECLSPEC_HIDDEN;
 213 HRESULT get_dispids(tid_t,DWORD*,DISPID**) DECLSPEC_HIDDEN;
 214 HRESULT remove_prop(DispatchEx*,BSTR,VARIANT_BOOL*) DECLSPEC_HIDDEN;
 215 void release_typelib(void) DECLSPEC_HIDDEN;
 216 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo) DECLSPEC_HIDDEN;
 217
 218 typedef struct HTMLWindow HTMLWindow;
 219 typedef struct HTMLDocumentNode HTMLDocumentNode;
 220 typedef struct HTMLDocumentObj HTMLDocumentObj;
 221 typedef struct HTMLFrameBase HTMLFrameBase;
 222 typedef struct NSContainer NSContainer;
 223
 224 typedef enum {
 225     SCRIPTMODE_GECKO,
 226     SCRIPTMODE_ACTIVESCRIPT
 227 } SCRIPTMODE;
 228
 229 typedef struct ScriptHost ScriptHost;
 230
 231 typedef enum {
 232     GLOBAL_SCRIPTVAR,
 233     GLOBAL_ELEMENTVAR
 234 } global_prop_type_t;
 235
 236 typedef struct {
 237     global_prop_type_t type;
 238     WCHAR *name;
 239     ScriptHost *script_host;
 240     DISPID id;
 241 } global_prop_t;
 242
 243 typedef struct {
 244     IHTMLOptionElementFactory IHTMLOptionElementFactory_iface;
 245
 246     LONG ref;
 247
 248     HTMLWindow *window;
 249 } HTMLOptionElementFactory;
 250
 251 typedef struct {
 252     DispatchEx dispex;
 253     IHTMLImageElementFactory IHTMLImageElementFactory_iface;
 254
 255     LONG ref;
 256
 257     HTMLWindow *window;
 258 } HTMLImageElementFactory;
 259
 260 struct HTMLLocation {
 261     DispatchEx dispex;
 262     IHTMLLocation IHTMLLocation_iface;
 263
 264     LONG ref;
 265
 266     HTMLWindow *window;
 267 };
 268
 269 typedef struct {
 270     HTMLWindow *window;
 271     LONG ref;
 272 }  windowref_t;
 273
 274 typedef struct nsChannelBSC nsChannelBSC;
 275
 276 struct HTMLWindow {
 277     DispatchEx dispex;
 278     IHTMLWindow2       IHTMLWindow2_iface;
 279     IHTMLWindow3       IHTMLWindow3_iface;
 280     IHTMLWindow4       IHTMLWindow4_iface;
 281     IHTMLPrivateWindow IHTMLPrivateWindow_iface;
 282     IDispatchEx        IDispatchEx_iface;
 283     IServiceProvider   IServiceProvider_iface;
 284
 285     LONG ref;
 286
 287     windowref_t *window_ref;
 288     LONG task_magic;
 289
 290     HTMLDocumentNode *doc;
 291     HTMLDocumentObj *doc_obj;
 292     nsIDOMWindow *nswindow;
 293     HTMLWindow *parent;
 294     HTMLFrameBase *frame_element;
 295     READYSTATE readystate;
 296
 297     nsChannelBSC *bscallback;
 298     IMoniker *mon;
 299     LPOLESTR url;
 300
 301     IHTMLEventObj *event;
 302
 303     SCRIPTMODE scriptmode;
 304     struct list script_hosts;
 305
 306     IInternetSecurityManager *secmgr;
 307
 308     HTMLOptionElementFactory *option_factory;
 309     HTMLImageElementFactory *image_factory;
 310     HTMLLocation *location;
 311     IHTMLScreen *screen;
 312
 313     global_prop_t *global_props;
 314     DWORD global_prop_cnt;
 315     DWORD global_prop_size;
 316
 317     struct list children;
 318     struct list sibling_entry;
 319     struct list entry;
 320 };
 321
 322 typedef enum {
 323     UNKNOWN_USERMODE,
 324     BROWSEMODE,
 325     EDITMODE
 326 } USERMODE;
 327
 328 typedef struct _cp_static_data_t {
 329     tid_t tid;
 330     void (*on_advise)(IUnknown*,struct _cp_static_data_t*);
 331     DWORD id_cnt;
 332     DISPID *ids;
 333 } cp_static_data_t;
 334
 335 typedef struct ConnectionPointContainer {
 336     IConnectionPointContainer IConnectionPointContainer_iface;
 337
 338     ConnectionPoint *cp_list;
 339     IUnknown *outer;
 340     struct ConnectionPointContainer *forward_container;
 341 } ConnectionPointContainer;
 342
 343 struct ConnectionPoint {
 344     IConnectionPoint IConnectionPoint_iface;
 345
 346     ConnectionPointContainer *container;
 347
 348     union {
 349         IUnknown *unk;
 350         IDispatch *disp;
 351         IPropertyNotifySink *propnotif;
 352     } *sinks;
 353     DWORD sinks_size;
 354
 355     const IID *iid;
 356     cp_static_data_t *data;
 357
 358     ConnectionPoint *next;
 359 };
 360
 361 struct HTMLDocument {
 362     IHTMLDocument2              IHTMLDocument2_iface;
 363     IHTMLDocument3              IHTMLDocument3_iface;
 364     IHTMLDocument4              IHTMLDocument4_iface;
 365     IHTMLDocument5              IHTMLDocument5_iface;
 366     IHTMLDocument6              IHTMLDocument6_iface;
 367     IPersistMoniker             IPersistMoniker_iface;
 368     IPersistFile                IPersistFile_iface;
 369     IPersistHistory             IPersistHistory_iface;
 370     IMonikerProp                IMonikerProp_iface;
 371     IOleObject                  IOleObject_iface;
 372     IOleDocument                IOleDocument_iface;
 373     IOleDocumentView            IOleDocumentView_iface;
 374     IOleInPlaceActiveObject     IOleInPlaceActiveObject_iface;
 375     IViewObjectEx               IViewObjectEx_iface;
 376     IOleInPlaceObjectWindowless IOleInPlaceObjectWindowless_iface;
 377     IServiceProvider            IServiceProvider_iface;
 378     IOleCommandTarget           IOleCommandTarget_iface;
 379     IOleControl                 IOleControl_iface;
 380     IHlinkTarget                IHlinkTarget_iface;
 381     IPersistStreamInit          IPersistStreamInit_iface;
 382     IDispatchEx                 IDispatchEx_iface;
 383     ISupportErrorInfo           ISupportErrorInfo_iface;
 384     IObjectWithSite             IObjectWithSite_iface;
 385     IOleContainer               IOleContainer_iface;
 386     IObjectSafety               IObjectSafety_iface;
 387     IProvideClassInfo           IProvideClassInfo_iface;
 388
 389     IUnknown *unk_impl;
 390     IDispatchEx *dispex;
 391
 392     HTMLDocumentObj *doc_obj;
 393     HTMLDocumentNode *doc_node;
 394
 395     HTMLWindow *window;
 396
 397     LONG task_magic;
 398
 399     ConnectionPointContainer cp_container;
 400     ConnectionPoint cp_htmldocevents;
 401     ConnectionPoint cp_htmldocevents2;
 402     ConnectionPoint cp_propnotif;
 403     ConnectionPoint cp_dispatch;
 404
 405     IOleAdviseHolder *advise_holder;
 406 };
 407
 408 static inline HRESULT htmldoc_query_interface(HTMLDocument *This, REFIID riid, void **ppv)
 409 {
 410     return IUnknown_QueryInterface(This->unk_impl, riid, ppv);
 411 }
 412
 413 static inline ULONG htmldoc_addref(HTMLDocument *This)
 414 {
 415     return IUnknown_AddRef(This->unk_impl);
 416 }
 417
 418 static inline ULONG htmldoc_release(HTMLDocument *This)
 419 {
 420     return IUnknown_Release(This->unk_impl);
 421 }
 422
 423 struct HTMLDocumentObj {
 424     HTMLDocument basedoc;
 425     DispatchEx dispex;
 426     ICustomDoc ICustomDoc_iface;
 427
 428     LONG ref;
 429
 430     NSContainer *nscontainer;
 431
 432     IOleClientSite *client;
 433     IDocHostUIHandler *hostui;
 434     BOOL custom_hostui;
 435     IOleInPlaceSite *ipsite;
 436     IOleInPlaceFrame *frame;
 437     IOleInPlaceUIWindow *ip_window;
 438     IAdviseSink *view_sink;
 439     IDocObjectService *doc_object_service;
 440
 441     DOCHOSTUIINFO hostinfo;
 442
 443     IOleUndoManager *undomgr;
 444
 445     HWND hwnd;
 446     HWND tooltips_hwnd;
 447
 448     BOOL request_uiactivate;
 449     BOOL in_place_active;
 450     BOOL ui_active;
 451     BOOL window_active;
 452     BOOL hostui_setup;
 453     BOOL container_locked;
 454     BOOL focus;
 455     INT download_state;
 456
 457     USERMODE usermode;
 458     LPWSTR mime;
 459
 460     DWORD update;
 461 };
 462
 463 typedef struct nsWeakReference nsWeakReference;
 464
 465 struct NSContainer {
 466     nsIWebBrowserChrome      nsIWebBrowserChrome_iface;
 467     nsIContextMenuListener   nsIContextMenuListener_iface;
 468     nsIURIContentListener    nsIURIContentListener_iface;
 469     nsIEmbeddingSiteWindow   nsIEmbeddingSiteWindow_iface;
 470     nsITooltipListener       nsITooltipListener_iface;
 471     nsIInterfaceRequestor    nsIInterfaceRequestor_iface;
 472     nsISupportsWeakReference nsISupportsWeakReference_iface;
 473
 474     nsIWebBrowser *webbrowser;
 475     nsIWebNavigation *navigation;
 476     nsIBaseWindow *window;
 477     nsIWebBrowserFocus *focus;
 478
 479     nsIEditor *editor;
 480     nsIController *editor_controller;
 481
 482     LONG ref;
 483
 484     nsWeakReference *weak_reference;
 485
 486     NSContainer *parent;
 487     HTMLDocumentObj *doc;
 488
 489     nsIURIContentListener *content_listener;
 490
 491     HWND hwnd;
 492 };
 493
 494 typedef struct {
 495     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
 496     void (*destructor)(HTMLDOMNode*);
 497     HRESULT (*clone)(HTMLDOMNode*,nsIDOMNode*,HTMLDOMNode**);
 498     event_target_t **(*get_event_target)(HTMLDOMNode*);
 499     HRESULT (*call_event)(HTMLDOMNode*,DWORD,BOOL*);
 500     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
 501     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
 502     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
 503     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
 504     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
 505     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 506     HRESULT (*bind_to_tree)(HTMLDOMNode*);
 507 } NodeImplVtbl;
 508
 509 struct HTMLDOMNode {
 510     DispatchEx dispex;
 511     IHTMLDOMNode  IHTMLDOMNode_iface;
 512     IHTMLDOMNode2 IHTMLDOMNode2_iface;
 513     const NodeImplVtbl *vtbl;
 514
 515     LONG ref;
 516
 517     nsIDOMNode *nsnode;
 518     HTMLDocumentNode *doc;
 519     event_target_t *event_target;
 520     ConnectionPointContainer *cp_container;
 521
 522     HTMLDOMNode *next;
 523 };
 524
 525 typedef struct {
 526     HTMLDOMNode node;
 527     ConnectionPointContainer cp_container;
 528
 529     IHTMLElement  IHTMLElement_iface;
 530     IHTMLElement2 IHTMLElement2_iface;
 531     IHTMLElement3 IHTMLElement3_iface;
 532     IHTMLElement4 IHTMLElement4_iface;
 533
 534     nsIDOMHTMLElement *nselem;
 535     HTMLStyle *style;
 536     struct list attrs;
 537 } HTMLElement;
 538
 539 #define HTMLELEMENT_TIDS    \
 540     IHTMLDOMNode_tid,       \
 541     IHTMLDOMNode2_tid,      \
 542     IHTMLElement_tid,       \
 543     IHTMLElement2_tid,      \
 544     IHTMLElement3_tid,      \
 545     IHTMLElement4_tid
 546
 547 typedef struct {
 548     HTMLElement element;
 549
 550     IHTMLTextContainer IHTMLTextContainer_iface;
 551
 552     ConnectionPoint cp;
 553 } HTMLTextContainer;
 554
 555 struct HTMLFrameBase {
 556     HTMLElement element;
 557
 558     IHTMLFrameBase  IHTMLFrameBase_iface;
 559     IHTMLFrameBase2 IHTMLFrameBase2_iface;
 560
 561     HTMLWindow *content_window;
 562
 563     nsIDOMHTMLFrameElement *nsframe;
 564     nsIDOMHTMLIFrameElement *nsiframe;
 565 };
 566
 567 typedef struct nsDocumentEventListener nsDocumentEventListener;
 568
 569 struct HTMLDocumentNode {
 570     HTMLDOMNode node;
 571     HTMLDocument basedoc;
 572
 573     IInternetHostSecurityManager IInternetHostSecurityManager_iface;
 574
 575     nsIDocumentObserver          nsIDocumentObserver_iface;
 576
 577     LONG ref;
 578
 579     nsIDOMHTMLDocument *nsdoc;
 580     HTMLDOMNode *nodes;
 581     BOOL content_ready;
 582     event_target_t *body_event_target;
 583
 584     ICatInformation *catmgr;
 585     nsDocumentEventListener *nsevent_listener;
 586     BOOL *event_vector;
 587
 588     WCHAR **elem_vars;
 589     unsigned elem_vars_size;
 590     unsigned elem_vars_cnt;
 591
 592     BOOL skip_mutation_notif;
 593
 594     struct list bindings;
 595     struct list selection_list;
 596     struct list range_list;
 597     struct list plugin_hosts;
 598 };
 599
 600 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**) DECLSPEC_HIDDEN;
 601 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**) DECLSPEC_HIDDEN;
 602 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**) DECLSPEC_HIDDEN;
 603 HRESULT create_document_fragment(nsIDOMNode*,HTMLDocumentNode*,HTMLDocumentNode**) DECLSPEC_HIDDEN;
 604
 605 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**) DECLSPEC_HIDDEN;
 606 void update_window_doc(HTMLWindow*) DECLSPEC_HIDDEN;
 607 HTMLWindow *nswindow_to_window(const nsIDOMWindow*) DECLSPEC_HIDDEN;
 608 nsIDOMWindow *get_nsdoc_window(nsIDOMDocument*) DECLSPEC_HIDDEN;
 609 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*) DECLSPEC_HIDDEN;
 610 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*) DECLSPEC_HIDDEN;
 611 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**) DECLSPEC_HIDDEN;
 612 IOmNavigator *OmNavigator_Create(void) DECLSPEC_HIDDEN;
 613 HRESULT HTMLScreen_Create(IHTMLScreen**) DECLSPEC_HIDDEN;
 614
 615 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 616 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 617 void HTMLDocument_Persist_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 618 void HTMLDocument_OleCmd_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 619 void HTMLDocument_OleObj_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 620 void HTMLDocument_View_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 621 void HTMLDocument_Window_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 622 void HTMLDocument_Service_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 623 void HTMLDocument_Hlink_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 624
 625 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 626
 627 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**) DECLSPEC_HIDDEN;
 628
 629 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*) DECLSPEC_HIDDEN;
 630 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*) DECLSPEC_HIDDEN;
 631 void ConnectionPointContainer_Destroy(ConnectionPointContainer*) DECLSPEC_HIDDEN;
 632
 633 NSContainer *NSContainer_Create(HTMLDocumentObj*,NSContainer*) DECLSPEC_HIDDEN;
 634 void NSContainer_Release(NSContainer*) DECLSPEC_HIDDEN;
 635 nsresult create_chrome_window(nsIWebBrowserChrome*,nsIWebBrowserChrome**) DECLSPEC_HIDDEN;
 636
 637 void init_mutation(nsIComponentManager*) DECLSPEC_HIDDEN;
 638 void init_document_mutation(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 639 void release_document_mutation(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 640
 641 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL) DECLSPEC_HIDDEN;
 642 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*) DECLSPEC_HIDDEN;
 643 void notif_focus(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 644
 645 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR) DECLSPEC_HIDDEN;
 646 void hide_tooltip(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 647 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*) DECLSPEC_HIDDEN;
 648
 649 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**) DECLSPEC_HIDDEN;
 650
 651 BOOL load_gecko(BOOL) DECLSPEC_HIDDEN;
 652 void close_gecko(void) DECLSPEC_HIDDEN;
 653 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*) DECLSPEC_HIDDEN;
 654 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*) DECLSPEC_HIDDEN;
 655 void release_nsio(void) DECLSPEC_HIDDEN;
 656 BOOL is_gecko_path(const char*) DECLSPEC_HIDDEN;
 657
 658 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*) DECLSPEC_HIDDEN;
 659
 660 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
 661 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*) DECLSPEC_HIDDEN;
 662
 663 void call_property_onchanged(ConnectionPoint*,DISPID) DECLSPEC_HIDDEN;
 664 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*) DECLSPEC_HIDDEN;
 665
 666 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1) DECLSPEC_HIDDEN;
 667 void nsfree(void*) DECLSPEC_HIDDEN;
 668
 669 void nsACString_InitDepend(nsACString*,const char*) DECLSPEC_HIDDEN;
 670 void nsACString_SetData(nsACString*,const char*) DECLSPEC_HIDDEN;
 671 PRUint32 nsACString_GetData(const nsACString*,const char**) DECLSPEC_HIDDEN;
 672 void nsACString_Finish(nsACString*) DECLSPEC_HIDDEN;
 673
 674 BOOL nsAString_Init(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 675 void nsAString_InitDepend(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 676 void nsAString_SetData(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 677 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**) DECLSPEC_HIDDEN;
 678 void nsAString_Finish(nsAString*) DECLSPEC_HIDDEN;
 679 HRESULT return_nsstr(nsresult,nsAString*,BSTR*) DECLSPEC_HIDDEN;
 680
 681 nsICommandParams *create_nscommand_params(void) DECLSPEC_HIDDEN;
 682 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*) DECLSPEC_HIDDEN;
 683 void get_editor_controller(NSContainer*) DECLSPEC_HIDDEN;
 684 nsresult get_nsinterface(nsISupports*,REFIID,void**) DECLSPEC_HIDDEN;
 685
 686 void init_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 687 void release_nsevents(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 688 void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR) DECLSPEC_HIDDEN;
 689
 690 void set_window_bscallback(HTMLWindow*,nsChannelBSC*) DECLSPEC_HIDDEN;
 691 void set_current_mon(HTMLWindow*,IMoniker*) DECLSPEC_HIDDEN;
 692 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*) DECLSPEC_HIDDEN;
 693 HRESULT async_start_doc_binding(HTMLWindow*,nsChannelBSC*) DECLSPEC_HIDDEN;
 694 void abort_document_bindings(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 695 void set_download_state(HTMLDocumentObj*,int) DECLSPEC_HIDDEN;
 696
 697 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*) DECLSPEC_HIDDEN;
 698
 699 void set_ready_state(HTMLWindow*,READYSTATE) DECLSPEC_HIDDEN;
 700
 701 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**) DECLSPEC_HIDDEN;
 702 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**) DECLSPEC_HIDDEN;
 703 HRESULT HTMLStyle_Create(nsIDOMCSSStyleDeclaration*,HTMLStyle**) DECLSPEC_HIDDEN;
 704 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*) DECLSPEC_HIDDEN;
 705 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*) DECLSPEC_HIDDEN;
 706
 707 void detach_selection(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 708 void detach_ranges(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 709 HRESULT get_node_text(HTMLDOMNode*,BSTR*) DECLSPEC_HIDDEN;
 710 HRESULT replace_node_by_html(nsIDOMHTMLDocument*,nsIDOMNode*,const WCHAR*);
 711
 712 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**) DECLSPEC_HIDDEN;
 713
 714 HRESULT HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*,HTMLDOMNode**) DECLSPEC_HIDDEN;
 715
 716 typedef struct {
 717     DispatchEx dispex;
 718     IHTMLDOMAttribute IHTMLDOMAttribute_iface;
 719
 720     LONG ref;
 721
 722     DISPID dispid;
 723     HTMLElement *elem;
 724     struct list entry;
 725 } HTMLDOMAttribute;
 726
 727 HRESULT HTMLDOMAttribute_Create(HTMLElement*,DISPID,HTMLDOMAttribute**) DECLSPEC_HIDDEN;
 728
 729 HRESULT HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL,HTMLElement**) DECLSPEC_HIDDEN;
 730 HRESULT HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*,HTMLElement**) DECLSPEC_HIDDEN;
 731 HRESULT HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 732 HRESULT HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 733 HRESULT HTMLEmbedElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 734 HRESULT HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 735 HRESULT HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 736 HRESULT HTMLHeadElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 737 HRESULT HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 738 HRESULT HTMLStyleElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 739 HRESULT HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 740 HRESULT HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 741 HRESULT HTMLObjectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 742 HRESULT HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 743 HRESULT HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 744 HRESULT HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 745 HRESULT HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 746 HRESULT HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 747 HRESULT HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 748 HRESULT HTMLTitleElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 749 HRESULT HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 750
 751 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*) DECLSPEC_HIDDEN;
 752 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 753 void HTMLElement2_Init(HTMLElement*) DECLSPEC_HIDDEN;
 754 void HTMLElement3_Init(HTMLElement*) DECLSPEC_HIDDEN;
 755 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 756 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 757
 758 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**) DECLSPEC_HIDDEN;
 759 void HTMLDOMNode_destructor(HTMLDOMNode*) DECLSPEC_HIDDEN;
 760
 761 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**) DECLSPEC_HIDDEN;
 762 void HTMLElement_destructor(HTMLDOMNode*) DECLSPEC_HIDDEN;
 763 HRESULT HTMLElement_clone(HTMLDOMNode*,nsIDOMNode*,HTMLDOMNode**) DECLSPEC_HIDDEN;
 764
 765 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**) DECLSPEC_HIDDEN;
 766 void HTMLFrameBase_destructor(HTMLFrameBase*) DECLSPEC_HIDDEN;
 767
 768 HRESULT get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL,HTMLDOMNode**) DECLSPEC_HIDDEN;
 769 void release_nodes(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 770
 771 void release_script_hosts(HTMLWindow*) DECLSPEC_HIDDEN;
 772 void connect_scripts(HTMLWindow*) DECLSPEC_HIDDEN;
 773 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*) DECLSPEC_HIDDEN;
 774 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR) DECLSPEC_HIDDEN;
 775 HRESULT exec_script(HTMLWindow*,const WCHAR*,const WCHAR*,VARIANT*) DECLSPEC_HIDDEN;
 776 void set_script_mode(HTMLWindow*,SCRIPTMODE) DECLSPEC_HIDDEN;
 777 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*) DECLSPEC_HIDDEN;
 778 IDispatch *get_script_disp(ScriptHost*) DECLSPEC_HIDDEN;
 779 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*) DECLSPEC_HIDDEN;
 780
 781 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL) DECLSPEC_HIDDEN;
 782 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*) DECLSPEC_HIDDEN;
 783 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*) DECLSPEC_HIDDEN;
 784
 785 /* commands */
 786 typedef struct {
 787     DWORD id;
 788     HRESULT (*query)(HTMLDocument*,OLECMD*);
 789     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 790 } cmdtable_t;
 791
 792 extern const cmdtable_t editmode_cmds[] DECLSPEC_HIDDEN;
 793
 794 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*) DECLSPEC_HIDDEN;
 795
 796 /* timer */
 797 #define UPDATE_UI       0x0001
 798 #define UPDATE_TITLE    0x0002
 799
 800 void update_doc(HTMLDocument*,DWORD) DECLSPEC_HIDDEN;
 801 void update_title(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 802
 803 /* editor */
 804 void init_editor(HTMLDocument*) DECLSPEC_HIDDEN;
 805 void handle_edit_event(HTMLDocument*,nsIDOMEvent*) DECLSPEC_HIDDEN;
 806 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 807 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 808 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 809 void handle_edit_load(HTMLDocument*) DECLSPEC_HIDDEN;
 810 HRESULT editor_is_dirty(HTMLDocument*) DECLSPEC_HIDDEN;
 811 void set_dirty(HTMLDocument*,VARIANT_BOOL) DECLSPEC_HIDDEN;
 812
 813 extern DWORD mshtml_tls DECLSPEC_HIDDEN;
 814
 815 typedef struct task_t task_t;
 816 typedef void (*task_proc_t)(task_t*);
 817
 818 struct task_t {
 819     LONG target_magic;
 820     task_proc_t proc;
 821     struct task_t *next;
 822 };
 823
 824 typedef struct {
 825     task_t header;
 826     HTMLDocumentObj *doc;
 827 } docobj_task_t;
 828
 829 typedef struct {
 830     HWND thread_hwnd;
 831     task_t *task_queue_head;
 832     task_t *task_queue_tail;
 833     struct list timer_list;
 834 } thread_data_t;
 835
 836 thread_data_t *get_thread_data(BOOL) DECLSPEC_HIDDEN;
 837 HWND get_thread_hwnd(void) DECLSPEC_HIDDEN;
 838
 839 LONG get_task_target_magic(void) DECLSPEC_HIDDEN;
 840 void push_task(task_t*,task_proc_t,LONG) DECLSPEC_HIDDEN;
 841 void remove_target_tasks(LONG) DECLSPEC_HIDDEN;
 842
 843 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*) DECLSPEC_HIDDEN;
 844 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD) DECLSPEC_HIDDEN;
 845
 846 const char *debugstr_variant(const VARIANT*) DECLSPEC_HIDDEN;
 847
 848 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 849 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 850 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 851 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 852 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 853
 854 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 855
 856 DEFINE_OLEGUID(CGID_DocHostCmdPriv, 0x000214D4L, 0, 0);
 857
 858 /* memory allocation functions */
 859
 860 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 861 {
 862     return HeapAlloc(GetProcessHeap(), 0, len);
 863 }
 864
 865 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 866 {
 867     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 868 }
 869
 870 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 871 {
 872     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 873 }
 874
 875 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 876 {
 877     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 878 }
 879
 880 static inline BOOL heap_free(void *mem)
 881 {
 882     return HeapFree(GetProcessHeap(), 0, mem);
 883 }
 884
 885 static inline LPWSTR heap_strdupW(LPCWSTR str)
 886 {
 887     LPWSTR ret = NULL;
 888
 889     if(str) {
 890         DWORD size;
 891
 892         size = (strlenW(str)+1)*sizeof(WCHAR);
 893         ret = heap_alloc(size);
 894         memcpy(ret, str, size);
 895     }
 896
 897     return ret;
 898 }
 899
 900 static inline LPWSTR heap_strndupW(LPCWSTR str, unsigned len)
 901 {
 902     LPWSTR ret = NULL;
 903
 904     if(str) {
 905         ret = heap_alloc((len+1)*sizeof(WCHAR));
 906         memcpy(ret, str, len*sizeof(WCHAR));
 907         ret[len] = 0;
 908     }
 909
 910     return ret;
 911 }
 912
 913 static inline char *heap_strdupA(const char *str)
 914 {
 915     char *ret = NULL;
 916
 917     if(str) {
 918         DWORD size;
 919
 920         size = strlen(str)+1;
 921         ret = heap_alloc(size);
 922         memcpy(ret, str, size);
 923     }
 924
 925     return ret;
 926 }
 927
 928 static inline WCHAR *heap_strdupAtoW(const char *str)
 929 {
 930     LPWSTR ret = NULL;
 931
 932     if(str) {
 933         DWORD len;
 934
 935         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 936         ret = heap_alloc(len*sizeof(WCHAR));
 937         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
 938     }
 939
 940     return ret;
 941 }
 942
 943 static inline char *heap_strdupWtoA(LPCWSTR str)
 944 {
 945     char *ret = NULL;
 946
 947     if(str) {
 948         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 949         ret = heap_alloc(size);
 950         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
 951     }
 952
 953     return ret;
 954 }
 955
 956 static inline void windowref_addref(windowref_t *ref)
 957 {
 958     InterlockedIncrement(&ref->ref);
 959 }
 960
 961 static inline void windowref_release(windowref_t *ref)
 962 {
 963     if(!InterlockedDecrement(&ref->ref))
 964         heap_free(ref);
 965 }
 966
 967 HDC get_display_dc(void) DECLSPEC_HIDDEN;
 968 HINSTANCE get_shdoclc(void) DECLSPEC_HIDDEN;
 969 void set_statustext(HTMLDocumentObj*,INT,LPCWSTR) DECLSPEC_HIDDEN;
 970
 971 extern HINSTANCE hInst DECLSPEC_HIDDEN;