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(DispHTMLAttributeCollection) \
  77     XDIID(DispHTMLBody) \
  78     XDIID(DispHTMLCommentElement) \
  79     XDIID(DispHTMLCurrentStyle) \
  80     XDIID(DispHTMLDocument) \
  81     XDIID(DispHTMLDOMAttribute) \
  82     XDIID(DispHTMLDOMTextNode) \
  83     XDIID(DispHTMLElementCollection) \
  84     XDIID(DispHTMLEmbed) \
  85     XDIID(DispHTMLFormElement) \
  86     XDIID(DispHTMLGenericElement) \
  87     XDIID(DispHTMLFrameElement) \
  88     XDIID(DispHTMLHeadElement) \
  89     XDIID(DispHTMLIFrame) \
  90     XDIID(DispHTMLImg) \
  91     XDIID(DispHTMLInputElement) \
  92     XDIID(DispHTMLLocation) \
  93     XDIID(DispHTMLNavigator) \
  94     XDIID(DispHTMLObjectElement) \
  95     XDIID(DispHTMLOptionElement) \
  96     XDIID(DispHTMLScreen) \
  97     XDIID(DispHTMLScriptElement) \
  98     XDIID(DispHTMLSelectElement) \
  99     XDIID(DispHTMLStyle) \
 100     XDIID(DispHTMLStyleElement) \
 101     XDIID(DispHTMLStyleSheetsCollection) \
 102     XDIID(DispHTMLTable) \
 103     XDIID(DispHTMLTableRow) \
 104     XDIID(DispHTMLTextAreaElement) \
 105     XDIID(DispHTMLTitleElement) \
 106     XDIID(DispHTMLUnknownElement) \
 107     XDIID(DispHTMLWindow2) \
 108     XDIID(HTMLDocumentEvents) \
 109     XIID(IHTMLAnchorElement) \
 110     XIID(IHTMLAttributeCollection) \
 111     XIID(IHTMLAttributeCollection2) \
 112     XIID(IHTMLAttributeCollection3) \
 113     XIID(IHTMLBodyElement) \
 114     XIID(IHTMLBodyElement2) \
 115     XIID(IHTMLCommentElement) \
 116     XIID(IHTMLCurrentStyle) \
 117     XIID(IHTMLCurrentStyle2) \
 118     XIID(IHTMLCurrentStyle3) \
 119     XIID(IHTMLCurrentStyle4) \
 120     XIID(IHTMLDocument2) \
 121     XIID(IHTMLDocument3) \
 122     XIID(IHTMLDocument4) \
 123     XIID(IHTMLDocument5) \
 124     XIID(IHTMLDOMAttribute) \
 125     XIID(IHTMLDOMChildrenCollection) \
 126     XIID(IHTMLDOMNode) \
 127     XIID(IHTMLDOMNode2) \
 128     XIID(IHTMLDOMTextNode) \
 129     XIID(IHTMLElement) \
 130     XIID(IHTMLElement2) \
 131     XIID(IHTMLElement3) \
 132     XIID(IHTMLElement4) \
 133     XIID(IHTMLElementCollection) \
 134     XIID(IHTMLEmbedElement) \
 135     XIID(IHTMLEventObj) \
 136     XIID(IHTMLFiltersCollection) \
 137     XIID(IHTMLFormElement) \
 138     XIID(IHTMLFrameBase) \
 139     XIID(IHTMLFrameBase2) \
 140     XIID(IHTMLFrameElement3) \
 141     XIID(IHTMLGenericElement) \
 142     XIID(IHTMLHeadElement) \
 143     XIID(IHTMLIFrameElement) \
 144     XIID(IHTMLImageElementFactory) \
 145     XIID(IHTMLImgElement) \
 146     XIID(IHTMLInputElement) \
 147     XIID(IHTMLLocation) \
 148     XIID(IHTMLMimeTypesCollection) \
 149     XIID(IHTMLObjectElement) \
 150     XIID(IHTMLOptionElement) \
 151     XIID(IHTMLPluginsCollection) \
 152     XIID(IHTMLRect) \
 153     XIID(IHTMLScreen) \
 154     XIID(IHTMLScriptElement) \
 155     XIID(IHTMLSelectElement) \
 156     XIID(IHTMLStyle) \
 157     XIID(IHTMLStyle2) \
 158     XIID(IHTMLStyle3) \
 159     XIID(IHTMLStyle4) \
 160     XIID(IHTMLStyle5) \
 161     XIID(IHTMLStyle6) \
 162     XIID(IHTMLStyleElement) \
 163     XIID(IHTMLStyleSheetsCollection) \
 164     XIID(IHTMLTable) \
 165     XIID(IHTMLTable2) \
 166     XIID(IHTMLTable3) \
 167     XIID(IHTMLTableRow) \
 168     XIID(IHTMLTextAreaElement) \
 169     XIID(IHTMLTextContainer) \
 170     XIID(IHTMLTitleElement) \
 171     XIID(IHTMLUniqueName) \
 172     XIID(IHTMLWindow2) \
 173     XIID(IHTMLWindow3) \
 174     XIID(IHTMLWindow4) \
 175     XIID(IHTMLWindow6) \
 176     XIID(IOmNavigator)
 177
 178 typedef enum {
 179 #define XIID(iface) iface ## _tid,
 180 #define XDIID(iface) iface ## _tid,
 181 TID_LIST
 182 #undef XIID
 183 #undef XDIID
 184     LAST_tid
 185 } tid_t;
 186
 187 typedef struct dispex_data_t dispex_data_t;
 188 typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;
 189
 190 #define MSHTML_DISPID_CUSTOM_MIN 0x60000000
 191 #define MSHTML_DISPID_CUSTOM_MAX 0x6fffffff
 192 #define MSHTML_CUSTOM_DISPID_CNT (MSHTML_DISPID_CUSTOM_MAX-MSHTML_DISPID_CUSTOM_MIN)
 193
 194 typedef struct DispatchEx DispatchEx;
 195
 196 typedef struct {
 197     HRESULT (*value)(DispatchEx*,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 198     HRESULT (*get_dispid)(DispatchEx*,BSTR,DWORD,DISPID*);
 199     HRESULT (*invoke)(DispatchEx*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 200     HRESULT (*populate_props)(DispatchEx*);
 201 } dispex_static_data_vtbl_t;
 202
 203 typedef struct {
 204     const dispex_static_data_vtbl_t *vtbl;
 205     const tid_t disp_tid;
 206     dispex_data_t *data;
 207     const tid_t* const iface_tids;
 208 } dispex_static_data_t;
 209
 210 struct DispatchEx {
 211     IDispatchEx IDispatchEx_iface;
 212
 213     IUnknown *outer;
 214
 215     dispex_static_data_t *data;
 216     dispex_dynamic_data_t *dynamic_data;
 217 };
 218
 219 void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 220 void release_dispex(DispatchEx*) DECLSPEC_HIDDEN;
 221 BOOL dispex_query_interface(DispatchEx*,REFIID,void**) DECLSPEC_HIDDEN;
 222 HRESULT dispex_get_dprop_ref(DispatchEx*,const WCHAR*,BOOL,VARIANT**) DECLSPEC_HIDDEN;
 223 HRESULT get_dispids(tid_t,DWORD*,DISPID**) DECLSPEC_HIDDEN;
 224 HRESULT remove_prop(DispatchEx*,BSTR,VARIANT_BOOL*) DECLSPEC_HIDDEN;
 225 void release_typelib(void) DECLSPEC_HIDDEN;
 226 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo) DECLSPEC_HIDDEN;
 227
 228 typedef struct HTMLWindow HTMLWindow;
 229 typedef struct HTMLDocumentNode HTMLDocumentNode;
 230 typedef struct HTMLDocumentObj HTMLDocumentObj;
 231 typedef struct HTMLFrameBase HTMLFrameBase;
 232 typedef struct NSContainer NSContainer;
 233 typedef struct HTMLAttributeCollection HTMLAttributeCollection;
 234
 235 typedef enum {
 236     SCRIPTMODE_GECKO,
 237     SCRIPTMODE_ACTIVESCRIPT
 238 } SCRIPTMODE;
 239
 240 typedef struct ScriptHost ScriptHost;
 241
 242 typedef enum {
 243     GLOBAL_SCRIPTVAR,
 244     GLOBAL_ELEMENTVAR
 245 } global_prop_type_t;
 246
 247 typedef struct {
 248     global_prop_type_t type;
 249     WCHAR *name;
 250     ScriptHost *script_host;
 251     DISPID id;
 252 } global_prop_t;
 253
 254 typedef struct {
 255     IHTMLOptionElementFactory IHTMLOptionElementFactory_iface;
 256
 257     LONG ref;
 258
 259     HTMLWindow *window;
 260 } HTMLOptionElementFactory;
 261
 262 typedef struct {
 263     DispatchEx dispex;
 264     IHTMLImageElementFactory IHTMLImageElementFactory_iface;
 265
 266     LONG ref;
 267
 268     HTMLWindow *window;
 269 } HTMLImageElementFactory;
 270
 271 struct HTMLLocation {
 272     DispatchEx dispex;
 273     IHTMLLocation IHTMLLocation_iface;
 274
 275     LONG ref;
 276
 277     HTMLWindow *window;
 278 };
 279
 280 typedef struct {
 281     HTMLWindow *window;
 282     LONG ref;
 283 }  windowref_t;
 284
 285 typedef struct nsChannelBSC nsChannelBSC;
 286
 287 struct HTMLWindow {
 288     DispatchEx dispex;
 289     IHTMLWindow2       IHTMLWindow2_iface;
 290     IHTMLWindow3       IHTMLWindow3_iface;
 291     IHTMLWindow4       IHTMLWindow4_iface;
 292     IHTMLWindow6       IHTMLWindow6_iface;
 293     IHTMLPrivateWindow IHTMLPrivateWindow_iface;
 294     IDispatchEx        IDispatchEx_iface;
 295     IServiceProvider   IServiceProvider_iface;
 296
 297     LONG ref;
 298
 299     windowref_t *window_ref;
 300     LONG task_magic;
 301
 302     HTMLDocumentNode *doc;
 303     HTMLDocumentObj *doc_obj;
 304     nsIDOMWindow *nswindow;
 305     HTMLWindow *parent;
 306     HTMLFrameBase *frame_element;
 307     READYSTATE readystate;
 308
 309     nsChannelBSC *bscallback;
 310     IMoniker *mon;
 311     LPOLESTR url;
 312
 313     IHTMLEventObj *event;
 314
 315     SCRIPTMODE scriptmode;
 316     struct list script_hosts;
 317
 318     IInternetSecurityManager *secmgr;
 319
 320     HTMLOptionElementFactory *option_factory;
 321     HTMLImageElementFactory *image_factory;
 322     HTMLLocation *location;
 323     IHTMLScreen *screen;
 324
 325     global_prop_t *global_props;
 326     DWORD global_prop_cnt;
 327     DWORD global_prop_size;
 328
 329     struct list children;
 330     struct list sibling_entry;
 331     struct list entry;
 332 };
 333
 334 typedef enum {
 335     UNKNOWN_USERMODE,
 336     BROWSEMODE,
 337     EDITMODE
 338 } USERMODE;
 339
 340 typedef struct _cp_static_data_t {
 341     tid_t tid;
 342     void (*on_advise)(IUnknown*,struct _cp_static_data_t*);
 343     DWORD id_cnt;
 344     DISPID *ids;
 345 } cp_static_data_t;
 346
 347 typedef struct ConnectionPointContainer {
 348     IConnectionPointContainer IConnectionPointContainer_iface;
 349
 350     ConnectionPoint *cp_list;
 351     IUnknown *outer;
 352     struct ConnectionPointContainer *forward_container;
 353 } ConnectionPointContainer;
 354
 355 struct ConnectionPoint {
 356     IConnectionPoint IConnectionPoint_iface;
 357
 358     ConnectionPointContainer *container;
 359
 360     union {
 361         IUnknown *unk;
 362         IDispatch *disp;
 363         IPropertyNotifySink *propnotif;
 364     } *sinks;
 365     DWORD sinks_size;
 366
 367     const IID *iid;
 368     cp_static_data_t *data;
 369
 370     ConnectionPoint *next;
 371 };
 372
 373 struct HTMLDocument {
 374     IHTMLDocument2              IHTMLDocument2_iface;
 375     IHTMLDocument3              IHTMLDocument3_iface;
 376     IHTMLDocument4              IHTMLDocument4_iface;
 377     IHTMLDocument5              IHTMLDocument5_iface;
 378     IHTMLDocument6              IHTMLDocument6_iface;
 379     IPersistMoniker             IPersistMoniker_iface;
 380     IPersistFile                IPersistFile_iface;
 381     IPersistHistory             IPersistHistory_iface;
 382     IMonikerProp                IMonikerProp_iface;
 383     IOleObject                  IOleObject_iface;
 384     IOleDocument                IOleDocument_iface;
 385     IOleDocumentView            IOleDocumentView_iface;
 386     IOleInPlaceActiveObject     IOleInPlaceActiveObject_iface;
 387     IViewObjectEx               IViewObjectEx_iface;
 388     IOleInPlaceObjectWindowless IOleInPlaceObjectWindowless_iface;
 389     IServiceProvider            IServiceProvider_iface;
 390     IOleCommandTarget           IOleCommandTarget_iface;
 391     IOleControl                 IOleControl_iface;
 392     IHlinkTarget                IHlinkTarget_iface;
 393     IPersistStreamInit          IPersistStreamInit_iface;
 394     IDispatchEx                 IDispatchEx_iface;
 395     ISupportErrorInfo           ISupportErrorInfo_iface;
 396     IObjectWithSite             IObjectWithSite_iface;
 397     IOleContainer               IOleContainer_iface;
 398     IObjectSafety               IObjectSafety_iface;
 399     IProvideClassInfo           IProvideClassInfo_iface;
 400
 401     IUnknown *unk_impl;
 402     IDispatchEx *dispex;
 403
 404     HTMLDocumentObj *doc_obj;
 405     HTMLDocumentNode *doc_node;
 406
 407     HTMLWindow *window;
 408
 409     LONG task_magic;
 410
 411     ConnectionPointContainer cp_container;
 412     ConnectionPoint cp_htmldocevents;
 413     ConnectionPoint cp_htmldocevents2;
 414     ConnectionPoint cp_propnotif;
 415     ConnectionPoint cp_dispatch;
 416
 417     IOleAdviseHolder *advise_holder;
 418 };
 419
 420 static inline HRESULT htmldoc_query_interface(HTMLDocument *This, REFIID riid, void **ppv)
 421 {
 422     return IUnknown_QueryInterface(This->unk_impl, riid, ppv);
 423 }
 424
 425 static inline ULONG htmldoc_addref(HTMLDocument *This)
 426 {
 427     return IUnknown_AddRef(This->unk_impl);
 428 }
 429
 430 static inline ULONG htmldoc_release(HTMLDocument *This)
 431 {
 432     return IUnknown_Release(This->unk_impl);
 433 }
 434
 435 struct HTMLDocumentObj {
 436     HTMLDocument basedoc;
 437     DispatchEx dispex;
 438     ICustomDoc ICustomDoc_iface;
 439
 440     LONG ref;
 441
 442     NSContainer *nscontainer;
 443
 444     IOleClientSite *client;
 445     IDocHostUIHandler *hostui;
 446     BOOL custom_hostui;
 447     IOleInPlaceSite *ipsite;
 448     IOleInPlaceFrame *frame;
 449     IOleInPlaceUIWindow *ip_window;
 450     IAdviseSink *view_sink;
 451     IDocObjectService *doc_object_service;
 452
 453     DOCHOSTUIINFO hostinfo;
 454
 455     IOleUndoManager *undomgr;
 456
 457     HWND hwnd;
 458     HWND tooltips_hwnd;
 459
 460     BOOL request_uiactivate;
 461     BOOL in_place_active;
 462     BOOL ui_active;
 463     BOOL window_active;
 464     BOOL hostui_setup;
 465     BOOL container_locked;
 466     BOOL focus;
 467     INT download_state;
 468
 469     USERMODE usermode;
 470     LPWSTR mime;
 471
 472     DWORD update;
 473 };
 474
 475 typedef struct nsWeakReference nsWeakReference;
 476
 477 struct NSContainer {
 478     nsIWebBrowserChrome      nsIWebBrowserChrome_iface;
 479     nsIContextMenuListener   nsIContextMenuListener_iface;
 480     nsIURIContentListener    nsIURIContentListener_iface;
 481     nsIEmbeddingSiteWindow   nsIEmbeddingSiteWindow_iface;
 482     nsITooltipListener       nsITooltipListener_iface;
 483     nsIInterfaceRequestor    nsIInterfaceRequestor_iface;
 484     nsISupportsWeakReference nsISupportsWeakReference_iface;
 485
 486     nsIWebBrowser *webbrowser;
 487     nsIWebNavigation *navigation;
 488     nsIBaseWindow *window;
 489     nsIWebBrowserFocus *focus;
 490
 491     nsIEditor *editor;
 492     nsIController *editor_controller;
 493
 494     LONG ref;
 495
 496     nsWeakReference *weak_reference;
 497
 498     NSContainer *parent;
 499     HTMLDocumentObj *doc;
 500
 501     nsIURIContentListener *content_listener;
 502
 503     HWND hwnd;
 504 };
 505
 506 typedef struct {
 507     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
 508     void (*destructor)(HTMLDOMNode*);
 509     HRESULT (*clone)(HTMLDOMNode*,nsIDOMNode*,HTMLDOMNode**);
 510     HRESULT (*get_attr_col)(HTMLDOMNode*,HTMLAttributeCollection**);
 511     event_target_t **(*get_event_target)(HTMLDOMNode*);
 512     HRESULT (*fire_event)(HTMLDOMNode*,DWORD,BOOL*);
 513     HRESULT (*handle_event)(HTMLDOMNode*,DWORD,BOOL*);
 514     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
 515     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
 516     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
 517     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
 518     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
 519     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
 520     HRESULT (*bind_to_tree)(HTMLDOMNode*);
 521 } NodeImplVtbl;
 522
 523 struct HTMLDOMNode {
 524     DispatchEx dispex;
 525     IHTMLDOMNode  IHTMLDOMNode_iface;
 526     IHTMLDOMNode2 IHTMLDOMNode2_iface;
 527     const NodeImplVtbl *vtbl;
 528
 529     LONG ref;
 530
 531     nsIDOMNode *nsnode;
 532     HTMLDocumentNode *doc;
 533     event_target_t *event_target;
 534     ConnectionPointContainer *cp_container;
 535
 536     HTMLDOMNode *next;
 537 };
 538
 539 typedef struct {
 540     HTMLDOMNode node;
 541     ConnectionPointContainer cp_container;
 542
 543     IHTMLElement  IHTMLElement_iface;
 544     IHTMLElement2 IHTMLElement2_iface;
 545     IHTMLElement3 IHTMLElement3_iface;
 546     IHTMLElement4 IHTMLElement4_iface;
 547
 548     nsIDOMHTMLElement *nselem;
 549     HTMLStyle *style;
 550     HTMLAttributeCollection *attrs;
 551 } HTMLElement;
 552
 553 #define HTMLELEMENT_TIDS    \
 554     IHTMLDOMNode_tid,       \
 555     IHTMLDOMNode2_tid,      \
 556     IHTMLElement_tid,       \
 557     IHTMLElement2_tid,      \
 558     IHTMLElement3_tid,      \
 559     IHTMLElement4_tid
 560
 561 typedef struct {
 562     HTMLElement element;
 563
 564     IHTMLTextContainer IHTMLTextContainer_iface;
 565
 566     ConnectionPoint cp;
 567 } HTMLTextContainer;
 568
 569 struct HTMLFrameBase {
 570     HTMLElement element;
 571
 572     IHTMLFrameBase  IHTMLFrameBase_iface;
 573     IHTMLFrameBase2 IHTMLFrameBase2_iface;
 574
 575     HTMLWindow *content_window;
 576
 577     nsIDOMHTMLFrameElement *nsframe;
 578     nsIDOMHTMLIFrameElement *nsiframe;
 579 };
 580
 581 typedef struct nsDocumentEventListener nsDocumentEventListener;
 582
 583 struct HTMLDocumentNode {
 584     HTMLDOMNode node;
 585     HTMLDocument basedoc;
 586
 587     IInternetHostSecurityManager IInternetHostSecurityManager_iface;
 588
 589     nsIDocumentObserver          nsIDocumentObserver_iface;
 590
 591     LONG ref;
 592
 593     nsIDOMHTMLDocument *nsdoc;
 594     HTMLDOMNode *nodes;
 595     BOOL content_ready;
 596     event_target_t *body_event_target;
 597
 598     ICatInformation *catmgr;
 599     nsDocumentEventListener *nsevent_listener;
 600     BOOL *event_vector;
 601
 602     WCHAR **elem_vars;
 603     unsigned elem_vars_size;
 604     unsigned elem_vars_cnt;
 605
 606     BOOL skip_mutation_notif;
 607
 608     struct list bindings;
 609     struct list selection_list;
 610     struct list range_list;
 611     struct list plugin_hosts;
 612 };
 613
 614 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**) DECLSPEC_HIDDEN;
 615 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**) DECLSPEC_HIDDEN;
 616 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**) DECLSPEC_HIDDEN;
 617 HRESULT create_document_fragment(nsIDOMNode*,HTMLDocumentNode*,HTMLDocumentNode**) DECLSPEC_HIDDEN;
 618
 619 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**) DECLSPEC_HIDDEN;
 620 void update_window_doc(HTMLWindow*) DECLSPEC_HIDDEN;
 621 HTMLWindow *nswindow_to_window(const nsIDOMWindow*) DECLSPEC_HIDDEN;
 622 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*) DECLSPEC_HIDDEN;
 623 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*) DECLSPEC_HIDDEN;
 624 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**) DECLSPEC_HIDDEN;
 625 IOmNavigator *OmNavigator_Create(void) DECLSPEC_HIDDEN;
 626 HRESULT HTMLScreen_Create(IHTMLScreen**) DECLSPEC_HIDDEN;
 627
 628 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 629 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 630 void HTMLDocument_Persist_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 631 void HTMLDocument_OleCmd_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 632 void HTMLDocument_OleObj_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 633 void HTMLDocument_View_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 634 void HTMLDocument_Window_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 635 void HTMLDocument_Service_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 636 void HTMLDocument_Hlink_Init(HTMLDocument*) DECLSPEC_HIDDEN;
 637
 638 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 639
 640 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**) DECLSPEC_HIDDEN;
 641
 642 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*) DECLSPEC_HIDDEN;
 643 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*) DECLSPEC_HIDDEN;
 644 void ConnectionPointContainer_Destroy(ConnectionPointContainer*) DECLSPEC_HIDDEN;
 645
 646 HRESULT create_nscontainer(HTMLDocumentObj*,NSContainer*,NSContainer**) DECLSPEC_HIDDEN;
 647 void NSContainer_Release(NSContainer*) DECLSPEC_HIDDEN;
 648 nsresult create_chrome_window(nsIWebBrowserChrome*,nsIWebBrowserChrome**) DECLSPEC_HIDDEN;
 649
 650 void init_mutation(nsIComponentManager*) DECLSPEC_HIDDEN;
 651 void init_document_mutation(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 652 void release_document_mutation(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 653
 654 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL) DECLSPEC_HIDDEN;
 655 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*) DECLSPEC_HIDDEN;
 656 void notif_focus(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 657
 658 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR) DECLSPEC_HIDDEN;
 659 void hide_tooltip(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 660 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*) DECLSPEC_HIDDEN;
 661
 662 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**) DECLSPEC_HIDDEN;
 663
 664 BOOL load_gecko(BOOL) DECLSPEC_HIDDEN;
 665 void close_gecko(void) DECLSPEC_HIDDEN;
 666 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*) DECLSPEC_HIDDEN;
 667 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*) DECLSPEC_HIDDEN;
 668 void release_nsio(void) DECLSPEC_HIDDEN;
 669 BOOL is_gecko_path(const char*) DECLSPEC_HIDDEN;
 670
 671 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*) DECLSPEC_HIDDEN;
 672
 673 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
 674 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*) DECLSPEC_HIDDEN;
 675
 676 void call_property_onchanged(ConnectionPoint*,DISPID) DECLSPEC_HIDDEN;
 677 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*) DECLSPEC_HIDDEN;
 678
 679 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1) DECLSPEC_HIDDEN;
 680 void nsfree(void*) DECLSPEC_HIDDEN;
 681
 682 void nsACString_InitDepend(nsACString*,const char*) DECLSPEC_HIDDEN;
 683 void nsACString_SetData(nsACString*,const char*) DECLSPEC_HIDDEN;
 684 PRUint32 nsACString_GetData(const nsACString*,const char**) DECLSPEC_HIDDEN;
 685 void nsACString_Finish(nsACString*) DECLSPEC_HIDDEN;
 686
 687 BOOL nsAString_Init(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 688 void nsAString_InitDepend(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 689 void nsAString_SetData(nsAString*,const PRUnichar*) DECLSPEC_HIDDEN;
 690 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**) DECLSPEC_HIDDEN;
 691 void nsAString_Finish(nsAString*) DECLSPEC_HIDDEN;
 692 HRESULT return_nsstr(nsresult,nsAString*,BSTR*) DECLSPEC_HIDDEN;
 693
 694 nsICommandParams *create_nscommand_params(void) DECLSPEC_HIDDEN;
 695 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*) DECLSPEC_HIDDEN;
 696 void get_editor_controller(NSContainer*) DECLSPEC_HIDDEN;
 697 nsresult get_nsinterface(nsISupports*,REFIID,void**) DECLSPEC_HIDDEN;
 698
 699 void set_window_bscallback(HTMLWindow*,nsChannelBSC*) DECLSPEC_HIDDEN;
 700 void set_current_mon(HTMLWindow*,IMoniker*) DECLSPEC_HIDDEN;
 701 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*) DECLSPEC_HIDDEN;
 702 HRESULT async_start_doc_binding(HTMLWindow*,nsChannelBSC*) DECLSPEC_HIDDEN;
 703 void abort_document_bindings(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 704 void set_download_state(HTMLDocumentObj*,int) DECLSPEC_HIDDEN;
 705
 706 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*) DECLSPEC_HIDDEN;
 707
 708 void set_ready_state(HTMLWindow*,READYSTATE) DECLSPEC_HIDDEN;
 709
 710 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**) DECLSPEC_HIDDEN;
 711 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**) DECLSPEC_HIDDEN;
 712 HRESULT HTMLStyle_Create(nsIDOMCSSStyleDeclaration*,HTMLStyle**) DECLSPEC_HIDDEN;
 713 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*) DECLSPEC_HIDDEN;
 714 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*) DECLSPEC_HIDDEN;
 715
 716 void detach_selection(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 717 void detach_ranges(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 718 HRESULT get_node_text(HTMLDOMNode*,BSTR*) DECLSPEC_HIDDEN;
 719 HRESULT replace_node_by_html(nsIDOMHTMLDocument*,nsIDOMNode*,const WCHAR*) DECLSPEC_HIDDEN;
 720
 721 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**) DECLSPEC_HIDDEN;
 722
 723 HRESULT HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*,HTMLDOMNode**) DECLSPEC_HIDDEN;
 724
 725 struct HTMLAttributeCollection {
 726     DispatchEx dispex;
 727     IHTMLAttributeCollection IHTMLAttributeCollection_iface;
 728     IHTMLAttributeCollection2 IHTMLAttributeCollection2_iface;
 729     IHTMLAttributeCollection3 IHTMLAttributeCollection3_iface;
 730
 731     LONG ref;
 732
 733     HTMLElement *elem;
 734     struct list attrs;
 735 };
 736
 737 typedef struct {
 738     DispatchEx dispex;
 739     IHTMLDOMAttribute IHTMLDOMAttribute_iface;
 740
 741     LONG ref;
 742
 743     DISPID dispid;
 744     HTMLElement *elem;
 745     struct list entry;
 746 } HTMLDOMAttribute;
 747
 748 HRESULT HTMLDOMAttribute_Create(HTMLElement*,DISPID,HTMLDOMAttribute**) DECLSPEC_HIDDEN;
 749
 750 HRESULT HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL,HTMLElement**) DECLSPEC_HIDDEN;
 751 HRESULT HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*,HTMLElement**) DECLSPEC_HIDDEN;
 752 HRESULT HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 753 HRESULT HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 754 HRESULT HTMLEmbedElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 755 HRESULT HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 756 HRESULT HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 757 HRESULT HTMLHeadElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 758 HRESULT HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 759 HRESULT HTMLStyleElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 760 HRESULT HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 761 HRESULT HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 762 HRESULT HTMLObjectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 763 HRESULT HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 764 HRESULT HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 765 HRESULT HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 766 HRESULT HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 767 HRESULT HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 768 HRESULT HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 769 HRESULT HTMLTitleElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 770 HRESULT HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**) DECLSPEC_HIDDEN;
 771
 772 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*) DECLSPEC_HIDDEN;
 773 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 774 void HTMLElement2_Init(HTMLElement*) DECLSPEC_HIDDEN;
 775 void HTMLElement3_Init(HTMLElement*) DECLSPEC_HIDDEN;
 776 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 777 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 778
 779 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**) DECLSPEC_HIDDEN;
 780 void HTMLDOMNode_destructor(HTMLDOMNode*) DECLSPEC_HIDDEN;
 781
 782 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**) DECLSPEC_HIDDEN;
 783 void HTMLElement_destructor(HTMLDOMNode*) DECLSPEC_HIDDEN;
 784 HRESULT HTMLElement_clone(HTMLDOMNode*,nsIDOMNode*,HTMLDOMNode**) DECLSPEC_HIDDEN;
 785 HRESULT HTMLElement_get_attr_col(HTMLDOMNode*,HTMLAttributeCollection**) DECLSPEC_HIDDEN;
 786
 787 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**) DECLSPEC_HIDDEN;
 788 void HTMLFrameBase_destructor(HTMLFrameBase*) DECLSPEC_HIDDEN;
 789
 790 HRESULT get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL,HTMLDOMNode**) DECLSPEC_HIDDEN;
 791 void release_nodes(HTMLDocumentNode*) DECLSPEC_HIDDEN;
 792
 793 void release_script_hosts(HTMLWindow*) DECLSPEC_HIDDEN;
 794 void connect_scripts(HTMLWindow*) DECLSPEC_HIDDEN;
 795 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*) DECLSPEC_HIDDEN;
 796 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR) DECLSPEC_HIDDEN;
 797 HRESULT exec_script(HTMLWindow*,const WCHAR*,const WCHAR*,VARIANT*) DECLSPEC_HIDDEN;
 798 void set_script_mode(HTMLWindow*,SCRIPTMODE) DECLSPEC_HIDDEN;
 799 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*) DECLSPEC_HIDDEN;
 800 IDispatch *get_script_disp(ScriptHost*) DECLSPEC_HIDDEN;
 801 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*) DECLSPEC_HIDDEN;
 802
 803 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL) DECLSPEC_HIDDEN;
 804 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*) DECLSPEC_HIDDEN;
 805 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*) DECLSPEC_HIDDEN;
 806
 807 /* commands */
 808 typedef struct {
 809     DWORD id;
 810     HRESULT (*query)(HTMLDocument*,OLECMD*);
 811     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 812 } cmdtable_t;
 813
 814 extern const cmdtable_t editmode_cmds[] DECLSPEC_HIDDEN;
 815
 816 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*) DECLSPEC_HIDDEN;
 817
 818 /* timer */
 819 #define UPDATE_UI       0x0001
 820 #define UPDATE_TITLE    0x0002
 821
 822 void update_doc(HTMLDocument*,DWORD) DECLSPEC_HIDDEN;
 823 void update_title(HTMLDocumentObj*) DECLSPEC_HIDDEN;
 824
 825 /* editor */
 826 void init_editor(HTMLDocument*) DECLSPEC_HIDDEN;
 827 void handle_edit_event(HTMLDocument*,nsIDOMEvent*) DECLSPEC_HIDDEN;
 828 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 829 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 830 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*) DECLSPEC_HIDDEN;
 831 void handle_edit_load(HTMLDocument*) DECLSPEC_HIDDEN;
 832 HRESULT editor_is_dirty(HTMLDocument*) DECLSPEC_HIDDEN;
 833 void set_dirty(HTMLDocument*,VARIANT_BOOL) DECLSPEC_HIDDEN;
 834
 835 extern DWORD mshtml_tls DECLSPEC_HIDDEN;
 836
 837 typedef struct task_t task_t;
 838 typedef void (*task_proc_t)(task_t*);
 839
 840 struct task_t {
 841     LONG target_magic;
 842     task_proc_t proc;
 843     task_proc_t destr;
 844     struct task_t *next;
 845 };
 846
 847 typedef struct {
 848     task_t header;
 849     HTMLDocumentObj *doc;
 850 } docobj_task_t;
 851
 852 typedef struct {
 853     HWND thread_hwnd;
 854     task_t *task_queue_head;
 855     task_t *task_queue_tail;
 856     struct list timer_list;
 857 } thread_data_t;
 858
 859 thread_data_t *get_thread_data(BOOL) DECLSPEC_HIDDEN;
 860 HWND get_thread_hwnd(void) DECLSPEC_HIDDEN;
 861
 862 LONG get_task_target_magic(void) DECLSPEC_HIDDEN;
 863 void push_task(task_t*,task_proc_t,task_proc_t,LONG) DECLSPEC_HIDDEN;
 864 void remove_target_tasks(LONG) DECLSPEC_HIDDEN;
 865
 866 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*) DECLSPEC_HIDDEN;
 867 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD) DECLSPEC_HIDDEN;
 868
 869 const char *debugstr_variant(const VARIANT*) DECLSPEC_HIDDEN;
 870
 871 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 872 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 873 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 874 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 875 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 876
 877 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 878
 879 DEFINE_OLEGUID(CGID_DocHostCmdPriv, 0x000214D4L, 0, 0);
 880
 881 /* memory allocation functions */
 882
 883 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
 884 {
 885     return HeapAlloc(GetProcessHeap(), 0, len);
 886 }
 887
 888 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
 889 {
 890     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 891 }
 892
 893 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
 894 {
 895     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 896 }
 897
 898 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
 899 {
 900     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
 901 }
 902
 903 static inline BOOL heap_free(void *mem)
 904 {
 905     return HeapFree(GetProcessHeap(), 0, mem);
 906 }
 907
 908 static inline LPWSTR heap_strdupW(LPCWSTR str)
 909 {
 910     LPWSTR ret = NULL;
 911
 912     if(str) {
 913         DWORD size;
 914
 915         size = (strlenW(str)+1)*sizeof(WCHAR);
 916         ret = heap_alloc(size);
 917         memcpy(ret, str, size);
 918     }
 919
 920     return ret;
 921 }
 922
 923 static inline LPWSTR heap_strndupW(LPCWSTR str, unsigned len)
 924 {
 925     LPWSTR ret = NULL;
 926
 927     if(str) {
 928         ret = heap_alloc((len+1)*sizeof(WCHAR));
 929         memcpy(ret, str, len*sizeof(WCHAR));
 930         ret[len] = 0;
 931     }
 932
 933     return ret;
 934 }
 935
 936 static inline char *heap_strdupA(const char *str)
 937 {
 938     char *ret = NULL;
 939
 940     if(str) {
 941         DWORD size;
 942
 943         size = strlen(str)+1;
 944         ret = heap_alloc(size);
 945         memcpy(ret, str, size);
 946     }
 947
 948     return ret;
 949 }
 950
 951 static inline WCHAR *heap_strdupAtoW(const char *str)
 952 {
 953     LPWSTR ret = NULL;
 954
 955     if(str) {
 956         DWORD len;
 957
 958         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
 959         ret = heap_alloc(len*sizeof(WCHAR));
 960         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
 961     }
 962
 963     return ret;
 964 }
 965
 966 static inline char *heap_strdupWtoA(LPCWSTR str)
 967 {
 968     char *ret = NULL;
 969
 970     if(str) {
 971         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
 972         ret = heap_alloc(size);
 973         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
 974     }
 975
 976     return ret;
 977 }
 978
 979 static inline void windowref_addref(windowref_t *ref)
 980 {
 981     InterlockedIncrement(&ref->ref);
 982 }
 983
 984 static inline void windowref_release(windowref_t *ref)
 985 {
 986     if(!InterlockedDecrement(&ref->ref))
 987         heap_free(ref);
 988 }
 989
 990 HDC get_display_dc(void) DECLSPEC_HIDDEN;
 991 HINSTANCE get_shdoclc(void) DECLSPEC_HIDDEN;
 992 void set_statustext(HTMLDocumentObj*,INT,LPCWSTR) DECLSPEC_HIDDEN;
 993
 994 extern HINSTANCE hInst DECLSPEC_HIDDEN;