git.oblomov.eu Git - wine/blob - dlls/mshtml/mshtml_private.h

   1 /*
   2  * Copyright 2005-2006 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 "docobj.h"
  20 #include "mshtml.h"
  21 #include "mshtmhst.h"
  22 #include "hlink.h"
  23
  24 #include "wine/list.h"
  25
  26 #ifdef INIT_GUID
  27 #include "initguid.h"
  28 #endif
  29
  30 #include "nsiface.h"
  31
  32 #define GENERATE_MSHTML_NS_FAILURE(code) \
  33     ((nsresult) ((PRUint32)(1<<31) | ((PRUint32)(0x45+6)<<16) | (PRUint32)(code)))
  34
  35 #define NS_OK                     ((nsresult)0x00000000L)
  36 #define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
  37 #define NS_NOINTERFACE            ((nsresult)0x80004002L)
  38 #define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
  39 #define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L)
  40 #define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
  41 #define NS_ERROR_UNKNOWN_PROTOCOL ((nsresult)0x804b0012L)
  42
  43 #define WINE_NS_LOAD_FROM_MONIKER GENERATE_MSHTML_NS_FAILURE(0)
  44
  45 #define NS_FAILED(res) ((res) & 0x80000000)
  46 #define NS_SUCCEEDED(res) (!NS_FAILED(res))
  47
  48 #define NSAPI WINAPI
  49
  50 #define NS_ELEMENT_NODE   1
  51 #define NS_DOCUMENT_NODE  9
  52
  53 typedef struct HTMLDOMNode HTMLDOMNode;
  54 typedef struct ConnectionPoint ConnectionPoint;
  55 typedef struct BSCallback BSCallback;
  56
  57 typedef struct {
  58     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
  59
  60     LONG ref;
  61
  62     HTMLDocument *doc;
  63     nsIDOMWindow *nswindow;
  64
  65     struct list entry;
  66 } HTMLWindow;
  67
  68 typedef enum {
  69     UNKNOWN_USERMODE,
  70     BROWSEMODE,
  71     EDITMODE
  72 } USERMODE;
  73
  74 typedef struct {
  75     const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;
  76
  77     ConnectionPoint *cp_list;
  78     IUnknown *outer;
  79 } ConnectionPointContainer;
  80
  81 struct ConnectionPoint {
  82     const IConnectionPointVtbl *lpConnectionPointVtbl;
  83
  84     IConnectionPointContainer *container;
  85
  86     union {
  87         IUnknown *unk;
  88         IDispatch *disp;
  89         IPropertyNotifySink *propnotif;
  90     } *sinks;
  91     DWORD sinks_size;
  92
  93     IID iid;
  94
  95     ConnectionPoint *next;
  96 };
  97
  98 struct HTMLDocument {
  99     const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
 100     const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
 101     const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
 102     const IPersistFileVtbl                *lpPersistFileVtbl;
 103     const IMonikerPropVtbl                *lpMonikerPropVtbl;
 104     const IOleObjectVtbl                  *lpOleObjectVtbl;
 105     const IOleDocumentVtbl                *lpOleDocumentVtbl;
 106     const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
 107     const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
 108     const IViewObject2Vtbl                *lpViewObject2Vtbl;
 109     const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
 110     const IServiceProviderVtbl            *lpServiceProviderVtbl;
 111     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
 112     const IOleControlVtbl                 *lpOleControlVtbl;
 113     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
 114     const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
 115     const ICustomDocVtbl                  *lpCustomDocVtbl;
 116
 117     LONG ref;
 118
 119     NSContainer *nscontainer;
 120     HTMLWindow *window;
 121
 122     IOleClientSite *client;
 123     IDocHostUIHandler *hostui;
 124     IOleInPlaceSite *ipsite;
 125     IOleInPlaceFrame *frame;
 126     IOleInPlaceUIWindow *ip_window;
 127
 128     BSCallback *bscallback;
 129     IMoniker *mon;
 130     BSTR url;
 131
 132     HWND hwnd;
 133     HWND tooltips_hwnd;
 134
 135     DOCHOSTUIINFO hostinfo;
 136
 137     USERMODE usermode;
 138     READYSTATE readystate;
 139     BOOL in_place_active;
 140     BOOL ui_active;
 141     BOOL window_active;
 142     BOOL has_key_path;
 143     BOOL container_locked;
 144     BOOL focus;
 145
 146     DWORD update;
 147
 148     ConnectionPointContainer cp_container;
 149     ConnectionPoint cp_htmldocevents;
 150     ConnectionPoint cp_htmldocevents2;
 151     ConnectionPoint cp_propnotif;
 152
 153     HTMLDOMNode *nodes;
 154 };
 155
 156 typedef struct {
 157     const nsIDOMEventListenerVtbl      *lpDOMEventListenerVtbl;
 158     NSContainer *This;
 159 } nsEventListener;
 160
 161 struct NSContainer {
 162     const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
 163     const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
 164     const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
 165     const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
 166     const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
 167     const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
 168     const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
 169     const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;
 170
 171     nsEventListener blur_listener;
 172     nsEventListener focus_listener;
 173     nsEventListener keypress_listener;
 174     nsEventListener load_listener;
 175
 176     nsIWebBrowser *webbrowser;
 177     nsIWebNavigation *navigation;
 178     nsIBaseWindow *window;
 179     nsIWebBrowserFocus *focus;
 180
 181     nsIController *editor_controller;
 182
 183     LONG ref;
 184
 185     NSContainer *parent;
 186     HTMLDocument *doc;
 187
 188     nsIURIContentListener *content_listener;
 189
 190     HWND hwnd;
 191
 192     BSCallback *bscallback; /* hack */
 193 };
 194
 195 typedef struct {
 196     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
 197     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
 198
 199     LONG ref;
 200
 201     nsIChannel *channel;
 202     nsIHttpChannel *http_channel;
 203     nsIWineURI *uri;
 204     nsIInputStream *post_data_stream;
 205     nsILoadGroup *load_group;
 206     nsIInterfaceRequestor *notif_callback;
 207     nsLoadFlags load_flags;
 208     nsIURI *original_uri;
 209     char *content;
 210     char *charset;
 211 } nsChannel;
 212
 213 typedef struct {
 214     const nsIInputStreamVtbl *lpInputStreamVtbl;
 215
 216     LONG ref;
 217
 218     char buf[1024];
 219     DWORD buf_size;
 220 } nsProtocolStream;
 221
 222 struct BSCallback {
 223     const IBindStatusCallbackVtbl *lpBindStatusCallbackVtbl;
 224     const IServiceProviderVtbl    *lpServiceProviderVtbl;
 225     const IHttpNegotiate2Vtbl     *lpHttpNegotiate2Vtbl;
 226     const IInternetBindInfoVtbl   *lpInternetBindInfoVtbl;
 227
 228     LONG ref;
 229
 230     LPWSTR headers;
 231     HGLOBAL post_data;
 232     ULONG post_data_len;
 233     ULONG readed;
 234
 235     nsChannel *nschannel;
 236     nsIStreamListener *nslistener;
 237     nsISupports *nscontext;
 238
 239     IMoniker *mon;
 240     IBinding *binding;
 241
 242     HTMLDocument *doc;
 243
 244     nsProtocolStream *nsstream;
 245 };
 246
 247 struct HTMLDOMNode {
 248     const IHTMLDOMNodeVtbl *lpHTMLDOMNodeVtbl;
 249
 250     void (*destructor)(IUnknown*);
 251
 252     enum {
 253         NT_UNKNOWN,
 254         NT_HTMLELEM
 255     } node_type;
 256
 257     union {
 258         IUnknown *unk;
 259         IHTMLElement *elem;
 260     } impl;
 261
 262     nsIDOMNode *nsnode;
 263     HTMLDocument *doc;
 264
 265     HTMLDOMNode *next;
 266 };
 267
 268 typedef struct {
 269     const IHTMLElementVtbl *lpHTMLElementVtbl;
 270     const IHTMLElement2Vtbl *lpHTMLElement2Vtbl;
 271
 272     void (*destructor)(IUnknown*);
 273
 274     nsIDOMHTMLElement *nselem;
 275     HTMLDOMNode *node;
 276
 277     IUnknown *impl;
 278 } HTMLElement;
 279
 280 typedef struct {
 281     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
 282
 283     HTMLElement *element;
 284 } HTMLTextContainer;
 285
 286 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
 287
 288 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
 289 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
 290 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
 291 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
 292 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
 293 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
 294 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
 295 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
 296 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
 297 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
 298 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
 299 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObject2Vtbl)
 300 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObject2Vtbl)
 301 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
 302 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
 303 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
 304 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
 305 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
 306 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
 307 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
 308 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
 309 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
 310
 311 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
 312 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
 313 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
 314 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
 315 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
 316 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
 317 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 318 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
 319 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
 320
 321 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
 322 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
 323 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
 324
 325 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
 326 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
 327 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
 328
 329 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
 330 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
 331 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
 332
 333 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
 334
 335 #define DEFINE_THIS(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,lp ## ifc ## Vtbl)))
 336
 337 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
 338 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
 339
 340 HTMLWindow *HTMLWindow_Create(HTMLDocument*);
 341 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
 342
 343 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
 344 void HTMLDocument_Persist_Init(HTMLDocument*);
 345 void HTMLDocument_OleCmd_Init(HTMLDocument*);
 346 void HTMLDocument_OleObj_Init(HTMLDocument*);
 347 void HTMLDocument_View_Init(HTMLDocument*);
 348 void HTMLDocument_Window_Init(HTMLDocument*);
 349 void HTMLDocument_Service_Init(HTMLDocument*);
 350 void HTMLDocument_Hlink_Init(HTMLDocument*);
 351
 352 void ConnectionPoint_Init(ConnectionPoint*,IConnectionPointContainer*,REFIID,ConnectionPoint*);
 353 void ConnectionPointContainer_Init(ConnectionPointContainer*,ConnectionPoint*,IUnknown*);
 354 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
 355
 356 NSContainer *NSContainer_Create(HTMLDocument*,NSContainer*);
 357 void NSContainer_Release(NSContainer*);
 358
 359 void HTMLDocument_LockContainer(HTMLDocument*,BOOL);
 360 void show_context_menu(HTMLDocument*,DWORD,POINT*);
 361 void notif_focus(HTMLDocument*);
 362
 363 void show_tooltip(HTMLDocument*,DWORD,DWORD,LPCWSTR);
 364 void hide_tooltip(HTMLDocument*);
 365 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
 366
 367 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
 368
 369 void close_gecko(void);
 370 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
 371 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
 372
 373 void hlink_frame_navigate(HTMLDocument*,IHlinkFrame*,LPCWSTR,nsIInputStream*,DWORD);
 374
 375 void call_property_onchanged(ConnectionPoint*,DISPID);
 376
 377 void *nsalloc(size_t);
 378 void nsfree(void*);
 379
 380 void nsACString_Init(nsACString*,const char*);
 381 void nsACString_SetData(nsACString*,const char*);
 382 PRUint32 nsACString_GetData(const nsACString*,const char**,PRBool*);
 383 void nsACString_Finish(nsACString*);
 384
 385 void nsAString_Init(nsAString*,const PRUnichar*);
 386 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**,PRBool*);
 387 void nsAString_Finish(nsAString*);
 388
 389 nsIInputStream *create_nsstream(const char*,PRInt32);
 390 nsICommandParams *create_nscommand_params(void);
 391 void nsnode_to_nsstring(nsIDOMNode*,nsAString*);
 392 nsIController *get_editor_controller(NSContainer*);
 393 void init_nsevents(NSContainer*);
 394
 395 BSCallback *create_bscallback(IMoniker*);
 396 HRESULT start_binding(BSCallback*);
 397 HRESULT load_stream(BSCallback*,IStream*);
 398 void set_document_bscallback(HTMLDocument*,BSCallback*);
 399 void set_current_mon(HTMLDocument*,IMoniker*);
 400
 401 IHTMLSelectionObject *HTMLSelectionObject_Create(nsISelection*);
 402 IHTMLTxtRange *HTMLTxtRange_Create(nsIDOMRange*);
 403 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
 404 IHTMLStyleSheet *HTMLStyleSheet_Create(void);
 405
 406 void HTMLElement_Create(HTMLDOMNode*);
 407 void HTMLBodyElement_Create(HTMLElement*);
 408 void HTMLInputElement_Create(HTMLElement*);
 409 void HTMLSelectElement_Create(HTMLElement*);
 410 void HTMLTextAreaElement_Create(HTMLElement*);
 411
 412 void HTMLElement2_Init(HTMLElement*);
 413
 414 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLElement*);
 415
 416 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
 417 HRESULT HTMLElement_QI(HTMLElement*,REFIID,void**);
 418
 419 HTMLDOMNode *get_node(HTMLDocument*,nsIDOMNode*);
 420 void release_nodes(HTMLDocument*);
 421
 422 BOOL install_wine_gecko(void);
 423
 424 /* commands */
 425 typedef struct {
 426     DWORD id;
 427     HRESULT (*query)(HTMLDocument*,OLECMD*);
 428     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 429 } cmdtable_t;
 430
 431 extern const cmdtable_t editmode_cmds[];
 432
 433 /* timer */
 434 #define UPDATE_UI       0x0001
 435 #define UPDATE_TITLE    0x0002
 436
 437 void update_doc(HTMLDocument *This, DWORD flags);
 438 void update_title(HTMLDocument*);
 439
 440 /* editor */
 441 void init_editor(HTMLDocument*);
 442 void set_ns_editmode(NSContainer*);
 443 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
 444 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 445 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 446 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
 447 void handle_edit_load(HTMLDocument *This);
 448
 449 extern DWORD mshtml_tls;
 450
 451 typedef struct task_t {
 452     HTMLDocument *doc;
 453
 454     enum {
 455         TASK_SETDOWNLOADSTATE,
 456         TASK_PARSECOMPLETE,
 457         TASK_SETPROGRESS,
 458         TASK_START_BINDING
 459     } task_id;
 460
 461     BSCallback *bscallback;
 462
 463     struct task_t *next;
 464 } task_t;
 465
 466 typedef struct {
 467     HWND thread_hwnd;
 468     task_t *task_queue_head;
 469     task_t *task_queue_tail;
 470 } thread_data_t;
 471
 472 thread_data_t *get_thread_data(BOOL);
 473 HWND get_thread_hwnd(void);
 474 void push_task(task_t*);
 475 void remove_doc_tasks(const HTMLDocument*);
 476
 477 /* typelibs */
 478 enum tid_t {
 479     IHTMLWindow2_tid,
 480     LAST_tid
 481 };
 482
 483 HRESULT get_typeinfo(enum tid_t, ITypeInfo**);
 484
 485 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 486 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 487 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 488 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
 489 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
 490
 491 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
 492
 493 extern LONG module_ref;
 494 #define LOCK_MODULE()   InterlockedIncrement(&module_ref)
 495 #define UNLOCK_MODULE() InterlockedDecrement(&module_ref)
 496
 497 /* memory allocation functions */
 498
 499 static inline void *mshtml_alloc(size_t len)
 500 {
 501     return HeapAlloc(GetProcessHeap(), 0, len);
 502 }
 503
 504 static inline void *mshtml_alloc_zero(size_t len)
 505 {
 506     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 507 }
 508
 509 static inline void *mshtml_realloc(void *mem, size_t len)
 510 {
 511     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
 512 }
 513
 514 static inline BOOL mshtml_free(void *mem)
 515 {
 516     return HeapFree(GetProcessHeap(), 0, mem);
 517 }
 518
 519 HINSTANCE get_shdoclc(void);
 520
 521 extern HINSTANCE hInst;