mshtml: Added nsIURL::Resolve implementation.
[wine] / dlls / mshtml / mshtml_private.h
1 /*
2  * Copyright 2005-2009 Jacek Caban for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18
19 #include "wingdi.h"
20 #include "docobj.h"
21 #include "comcat.h"
22 #include "mshtml.h"
23 #include "mshtmhst.h"
24 #include "hlink.h"
25 #include "perhist.h"
26 #include "dispex.h"
27
28 #include "wine/list.h"
29 #include "wine/unicode.h"
30
31 #ifdef INIT_GUID
32 #include "initguid.h"
33 #endif
34
35 #include "nsiface.h"
36
37 #define NS_OK                     ((nsresult)0x00000000L)
38 #define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
39 #define NS_ERROR_OUT_OF_MEMORY    ((nsresult)0x8007000EL)
40 #define NS_NOINTERFACE            ((nsresult)0x80004002L)
41 #define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
42 #define NS_ERROR_NOT_AVAILABLE    ((nsresult)0x80040111L)
43 #define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L) 
44 #define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
45 #define NS_ERROR_UNKNOWN_PROTOCOL ((nsresult)0x804b0012L)
46
47 #define NS_FAILED(res) ((res) & 0x80000000)
48 #define NS_SUCCEEDED(res) (!NS_FAILED(res))
49
50 #define NSAPI WINAPI
51
52 #define MSHTML_E_NODOC    0x800a025c
53
54 typedef struct HTMLDOMNode HTMLDOMNode;
55 typedef struct ConnectionPoint ConnectionPoint;
56 typedef struct BSCallback BSCallback;
57 typedef struct event_target_t event_target_t;
58
59 /* NOTE: make sure to keep in sync with dispex.c */
60 typedef enum {
61     NULL_tid,
62     DispCEventObj_tid,
63     DispDOMChildrenCollection_tid,
64     DispHTMLAnchorElement_tid,
65     DispHTMLBody_tid,
66     DispHTMLCommentElement_tid,
67     DispHTMLCurrentStyle_tid,
68     DispHTMLDocument_tid,
69     DispHTMLDOMTextNode_tid,
70     DispHTMLElementCollection_tid,
71     DispHTMLFormElement_tid,
72     DispHTMLGenericElement_tid,
73     DispHTMLFrameElement_tid,
74     DispHTMLIFrame_tid,
75     DispHTMLImg_tid,
76     DispHTMLInputElement_tid,
77     DispHTMLLocation_tid,
78     DispHTMLNavigator_tid,
79     DispHTMLOptionElement_tid,
80     DispHTMLScreen_tid,
81     DispHTMLScriptElement_tid,
82     DispHTMLSelectElement_tid,
83     DispHTMLStyle_tid,
84     DispHTMLTable_tid,
85     DispHTMLTableRow_tid,
86     DispHTMLTextAreaElement_tid,
87     DispHTMLUnknownElement_tid,
88     DispHTMLWindow2_tid,
89     HTMLDocumentEvents_tid,
90     IHTMLAnchorElement_tid,
91     IHTMLBodyElement_tid,
92     IHTMLBodyElement2_tid,
93     IHTMLCommentElement_tid,
94     IHTMLCurrentStyle_tid,
95     IHTMLCurrentStyle2_tid,
96     IHTMLCurrentStyle3_tid,
97     IHTMLCurrentStyle4_tid,
98     IHTMLDocument2_tid,
99     IHTMLDocument3_tid,
100     IHTMLDocument4_tid,
101     IHTMLDocument5_tid,
102     IHTMLDOMChildrenCollection_tid,
103     IHTMLDOMNode_tid,
104     IHTMLDOMNode2_tid,
105     IHTMLDOMTextNode_tid,
106     IHTMLElement_tid,
107     IHTMLElement2_tid,
108     IHTMLElement3_tid,
109     IHTMLElement4_tid,
110     IHTMLElementCollection_tid,
111     IHTMLEventObj_tid,
112     IHTMLFiltersCollection_tid,
113     IHTMLFormElement_tid,
114     IHTMLFrameBase_tid,
115     IHTMLFrameBase2_tid,
116     IHTMLFrameElement3_tid,
117     IHTMLGenericElement_tid,
118     IHTMLIFrameElement_tid,
119     IHTMLImageElementFactory_tid,
120     IHTMLImgElement_tid,
121     IHTMLInputElement_tid,
122     IHTMLLocation_tid,
123     IHTMLOptionElement_tid,
124     IHTMLRect_tid,
125     IHTMLScreen_tid,
126     IHTMLScriptElement_tid,
127     IHTMLSelectElement_tid,
128     IHTMLStyle_tid,
129     IHTMLStyle2_tid,
130     IHTMLStyle3_tid,
131     IHTMLStyle4_tid,
132     IHTMLTable_tid,
133     IHTMLTableRow_tid,
134     IHTMLTextAreaElement_tid,
135     IHTMLTextContainer_tid,
136     IHTMLUniqueName_tid,
137     IHTMLWindow2_tid,
138     IHTMLWindow3_tid,
139     IHTMLWindow4_tid,
140     IOmNavigator_tid,
141     LAST_tid
142 } tid_t;
143
144 typedef struct dispex_data_t dispex_data_t;
145 typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;
146
147 #define MSHTML_DISPID_CUSTOM_MIN 0x60000000
148 #define MSHTML_DISPID_CUSTOM_MAX 0x6fffffff
149 #define MSHTML_CUSTOM_DISPID_CNT (MSHTML_DISPID_CUSTOM_MAX-MSHTML_DISPID_CUSTOM_MIN)
150
151 typedef struct {
152     HRESULT (*value)(IUnknown*,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
153     HRESULT (*get_dispid)(IUnknown*,BSTR,DWORD,DISPID*);
154     HRESULT (*invoke)(IUnknown*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
155 } dispex_static_data_vtbl_t;
156
157 typedef struct {
158     const dispex_static_data_vtbl_t *vtbl;
159     const tid_t disp_tid;
160     dispex_data_t *data;
161     const tid_t* const iface_tids;
162 } dispex_static_data_t;
163
164 typedef struct {
165     const IDispatchExVtbl  *lpIDispatchExVtbl;
166
167     IUnknown *outer;
168
169     dispex_static_data_t *data;
170     dispex_dynamic_data_t *dynamic_data;
171 } DispatchEx;
172
173 void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*);
174 void release_dispex(DispatchEx*);
175 BOOL dispex_query_interface(DispatchEx*,REFIID,void**);
176 HRESULT dispex_get_dprop_ref(DispatchEx*,const WCHAR*,BOOL,VARIANT**);
177 HRESULT get_dispids(tid_t,DWORD*,DISPID**);
178 HRESULT remove_prop(DispatchEx*,BSTR,VARIANT_BOOL*);
179
180 typedef struct HTMLWindow HTMLWindow;
181 typedef struct HTMLDocumentNode HTMLDocumentNode;
182 typedef struct HTMLDocumentObj HTMLDocumentObj;
183 typedef struct HTMLFrameBase HTMLFrameBase;
184 typedef struct NSContainer NSContainer;
185
186 typedef enum {
187     SCRIPTMODE_GECKO,
188     SCRIPTMODE_ACTIVESCRIPT
189 } SCRIPTMODE;
190
191 typedef struct ScriptHost ScriptHost;
192
193 typedef enum {
194     GLOBAL_SCRIPTVAR,
195     GLOBAL_ELEMENTVAR
196 } global_prop_type_t;
197
198 typedef struct {
199     global_prop_type_t type;
200     WCHAR *name;
201     ScriptHost *script_host;
202     DISPID id;
203 } global_prop_t;
204
205 typedef struct {
206     const IHTMLOptionElementFactoryVtbl *lpHTMLOptionElementFactoryVtbl;
207
208     LONG ref;
209
210     HTMLWindow *window;
211 } HTMLOptionElementFactory;
212
213 typedef struct {
214     DispatchEx dispex;
215     const IHTMLImageElementFactoryVtbl *lpHTMLImageElementFactoryVtbl;
216
217     LONG ref;
218
219     HTMLWindow *window;
220 } HTMLImageElementFactory;
221
222 struct HTMLLocation {
223     DispatchEx dispex;
224     const IHTMLLocationVtbl *lpHTMLLocationVtbl;
225
226     LONG ref;
227
228     HTMLWindow *window;
229 };
230
231 typedef struct {
232     HTMLWindow *window;
233     LONG ref;
234 }  windowref_t;
235
236 typedef struct nsChannelBSC nsChannelBSC;
237
238 struct HTMLWindow {
239     DispatchEx dispex;
240     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
241     const IHTMLWindow3Vtbl *lpHTMLWindow3Vtbl;
242     const IHTMLWindow4Vtbl *lpHTMLWindow4Vtbl;
243     const IHTMLPrivateWindowVtbl *lpIHTMLPrivateWindowVtbl;
244     const IDispatchExVtbl  *lpIDispatchExVtbl;
245
246     LONG ref;
247
248     windowref_t *window_ref;
249     LONG task_magic;
250
251     HTMLDocumentNode *doc;
252     HTMLDocumentObj *doc_obj;
253     nsIDOMWindow *nswindow;
254     HTMLWindow *parent;
255     HTMLFrameBase *frame_element;
256     READYSTATE readystate;
257
258     nsChannelBSC *bscallback;
259     IMoniker *mon;
260     LPOLESTR url;
261
262     IHTMLEventObj *event;
263
264     SCRIPTMODE scriptmode;
265     struct list script_hosts;
266
267     HTMLOptionElementFactory *option_factory;
268     HTMLImageElementFactory *image_factory;
269     HTMLLocation *location;
270     IHTMLScreen *screen;
271
272     global_prop_t *global_props;
273     DWORD global_prop_cnt;
274     DWORD global_prop_size;
275
276     struct list children;
277     struct list sibling_entry;
278     struct list entry;
279 };
280
281 typedef enum {
282     UNKNOWN_USERMODE,
283     BROWSEMODE,
284     EDITMODE        
285 } USERMODE;
286
287 typedef struct _cp_static_data_t {
288     tid_t tid;
289     void (*on_advise)(IUnknown*,struct _cp_static_data_t*);
290     DWORD id_cnt;
291     DISPID *ids;
292 } cp_static_data_t;
293
294 typedef struct ConnectionPointContainer {
295     const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;
296
297     ConnectionPoint *cp_list;
298     IUnknown *outer;
299     struct ConnectionPointContainer *forward_container;
300 } ConnectionPointContainer;
301
302 struct ConnectionPoint {
303     const IConnectionPointVtbl *lpConnectionPointVtbl;
304
305     ConnectionPointContainer *container;
306
307     union {
308         IUnknown *unk;
309         IDispatch *disp;
310         IPropertyNotifySink *propnotif;
311     } *sinks;
312     DWORD sinks_size;
313
314     const IID *iid;
315     cp_static_data_t *data;
316
317     ConnectionPoint *next;
318 };
319
320 struct HTMLDocument {
321     const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
322     const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
323     const IHTMLDocument4Vtbl              *lpHTMLDocument4Vtbl;
324     const IHTMLDocument5Vtbl              *lpHTMLDocument5Vtbl;
325     const IHTMLDocument6Vtbl              *lpHTMLDocument6Vtbl;
326     const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
327     const IPersistFileVtbl                *lpPersistFileVtbl;
328     const IPersistHistoryVtbl             *lpPersistHistoryVtbl;
329     const IMonikerPropVtbl                *lpMonikerPropVtbl;
330     const IOleObjectVtbl                  *lpOleObjectVtbl;
331     const IOleDocumentVtbl                *lpOleDocumentVtbl;
332     const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
333     const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
334     const IViewObjectExVtbl               *lpViewObjectExVtbl;
335     const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
336     const IServiceProviderVtbl            *lpServiceProviderVtbl;
337     const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
338     const IOleControlVtbl                 *lpOleControlVtbl;
339     const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
340     const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
341     const IDispatchExVtbl                 *lpIDispatchExVtbl;
342     const ISupportErrorInfoVtbl           *lpSupportErrorInfoVtbl;
343     const IObjectWithSiteVtbl             *lpObjectWithSiteVtbl;
344
345     IUnknown *unk_impl;
346     IDispatchEx *dispex;
347
348     HTMLDocumentObj *doc_obj;
349     HTMLDocumentNode *doc_node;
350
351     HTMLWindow *window;
352
353     LONG task_magic;
354
355     ConnectionPointContainer cp_container;
356     ConnectionPoint cp_htmldocevents;
357     ConnectionPoint cp_htmldocevents2;
358     ConnectionPoint cp_propnotif;
359     ConnectionPoint cp_dispatch;
360
361     IOleAdviseHolder *advise_holder;
362 };
363
364 static inline HRESULT htmldoc_query_interface(HTMLDocument *This, REFIID riid, void **ppv)
365 {
366     return IUnknown_QueryInterface(This->unk_impl, riid, ppv);
367 }
368
369 static inline ULONG htmldoc_addref(HTMLDocument *This)
370 {
371     return IUnknown_AddRef(This->unk_impl);
372 }
373
374 static inline ULONG htmldoc_release(HTMLDocument *This)
375 {
376     return IUnknown_Release(This->unk_impl);
377 }
378
379 struct HTMLDocumentObj {
380     HTMLDocument basedoc;
381     DispatchEx dispex;
382     const ICustomDocVtbl  *lpCustomDocVtbl;
383
384     LONG ref;
385
386     NSContainer *nscontainer;
387
388     IOleClientSite *client;
389     IDocHostUIHandler *hostui;
390     IOleInPlaceSite *ipsite;
391     IOleInPlaceFrame *frame;
392     IOleInPlaceUIWindow *ip_window;
393     IAdviseSink *view_sink;
394
395     DOCHOSTUIINFO hostinfo;
396
397     IOleUndoManager *undomgr;
398
399     HWND hwnd;
400     HWND tooltips_hwnd;
401
402     BOOL request_uiactivate;
403     BOOL in_place_active;
404     BOOL ui_active;
405     BOOL window_active;
406     BOOL hostui_setup;
407     BOOL container_locked;
408     BOOL focus;
409     INT download_state;
410
411     USERMODE usermode;
412     LPWSTR mime;
413
414     DWORD update;
415 };
416
417 struct NSContainer {
418     const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
419     const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
420     const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
421     const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
422     const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
423     const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
424     const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
425     const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;
426
427     nsIWebBrowser *webbrowser;
428     nsIWebNavigation *navigation;
429     nsIBaseWindow *window;
430     nsIWebBrowserFocus *focus;
431
432     nsIEditor *editor;
433     nsIController *editor_controller;
434
435     LONG ref;
436
437     NSContainer *parent;
438     HTMLDocumentObj *doc;
439
440     nsIURIContentListener *content_listener;
441
442     HWND hwnd;
443 };
444
445 typedef struct nsWineURI nsWineURI;
446
447 HRESULT set_wine_url(nsWineURI*,LPCWSTR);
448 nsresult on_start_uri_open(NSContainer*,nsIURI*,PRBool*);
449
450 /* Keep sync with request_method_strings in nsio.c */
451 typedef enum {
452     METHOD_GET,
453     METHOD_PUT,
454     METHOD_POST
455 } REQUEST_METHOD;
456
457 typedef struct {
458     const nsIHttpChannelVtbl *lpHttpChannelVtbl;
459     const nsIUploadChannelVtbl *lpUploadChannelVtbl;
460     const nsIHttpChannelInternalVtbl *lpIHttpChannelInternalVtbl;
461
462     LONG ref;
463
464     nsWineURI *uri;
465     nsIInputStream *post_data_stream;
466     BOOL parse_stream;
467     nsILoadGroup *load_group;
468     nsIInterfaceRequestor *notif_callback;
469     nsISupports *owner;
470     nsLoadFlags load_flags;
471     nsIURI *original_uri;
472     nsIURI *referrer;
473     char *content_type;
474     char *charset;
475     PRUint32 response_status;
476     REQUEST_METHOD request_method;
477     struct list response_headers;
478     struct list request_headers;
479     UINT url_scheme;
480 } nsChannel;
481
482 typedef struct {
483     struct list entry;
484     WCHAR *header;
485     WCHAR *data;
486 } http_header_t;
487
488 HRESULT set_http_header(struct list*,const WCHAR*,int,const WCHAR*,int);
489
490 typedef struct {
491     HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
492     void (*destructor)(HTMLDOMNode*);
493     event_target_t **(*get_event_target)(HTMLDOMNode*);
494     HRESULT (*call_event)(HTMLDOMNode*,DWORD,BOOL*);
495     HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
496     HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
497     HRESULT (*get_document)(HTMLDOMNode*,IDispatch**);
498     HRESULT (*get_readystate)(HTMLDOMNode*,BSTR*);
499     HRESULT (*get_dispid)(HTMLDOMNode*,BSTR,DWORD,DISPID*);
500     HRESULT (*invoke)(HTMLDOMNode*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
501     HRESULT (*bind_to_tree)(HTMLDOMNode*);
502 } NodeImplVtbl;
503
504 struct HTMLDOMNode {
505     DispatchEx dispex;
506     const IHTMLDOMNodeVtbl   *lpHTMLDOMNodeVtbl;
507     const IHTMLDOMNode2Vtbl  *lpHTMLDOMNode2Vtbl;
508     const NodeImplVtbl *vtbl;
509
510     LONG ref;
511
512     nsIDOMNode *nsnode;
513     HTMLDocumentNode *doc;
514     event_target_t *event_target;
515     ConnectionPointContainer *cp_container;
516
517     HTMLDOMNode *next;
518 };
519
520 typedef struct {
521     HTMLDOMNode node;
522     ConnectionPointContainer cp_container;
523
524     const IHTMLElementVtbl   *lpHTMLElementVtbl;
525     const IHTMLElement2Vtbl  *lpHTMLElement2Vtbl;
526     const IHTMLElement3Vtbl  *lpHTMLElement3Vtbl;
527
528     nsIDOMHTMLElement *nselem;
529 } HTMLElement;
530
531 #define HTMLELEMENT_TIDS    \
532     IHTMLDOMNode_tid,       \
533     IHTMLDOMNode2_tid,      \
534     IHTMLElement_tid,       \
535     IHTMLElement2_tid,      \
536     IHTMLElement3_tid,      \
537     IHTMLElement4_tid
538
539 typedef struct {
540     HTMLElement element;
541
542     const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;
543
544     ConnectionPoint cp;
545 } HTMLTextContainer;
546
547 struct HTMLFrameBase {
548     HTMLElement element;
549
550     const IHTMLFrameBaseVtbl   *lpIHTMLFrameBaseVtbl;
551     const IHTMLFrameBase2Vtbl  *lpIHTMLFrameBase2Vtbl;
552
553     HTMLWindow *content_window;
554
555     nsIDOMHTMLFrameElement *nsframe;
556     nsIDOMHTMLIFrameElement *nsiframe;
557 };
558
559 typedef struct _mutation_queue_t {
560     DWORD type;
561     nsISupports *nsiface;
562
563     struct _mutation_queue_t *next;
564 } mutation_queue_t;
565
566 typedef struct nsDocumentEventListener nsDocumentEventListener;
567
568 struct HTMLDocumentNode {
569     HTMLDOMNode node;
570     HTMLDocument basedoc;
571
572     const IInternetHostSecurityManagerVtbl *lpIInternetHostSecurityManagerVtbl;
573
574     const nsIDocumentObserverVtbl  *lpIDocumentObserverVtbl;
575     const nsIRunnableVtbl  *lpIRunnableVtbl;
576
577     LONG ref;
578
579     nsIDOMHTMLDocument *nsdoc;
580     HTMLDOMNode *nodes;
581     BOOL content_ready;
582     event_target_t *body_event_target;
583
584     IInternetSecurityManager *secmgr;
585     ICatInformation *catmgr;
586     nsDocumentEventListener *nsevent_listener;
587     BOOL *event_vector;
588
589     mutation_queue_t *mutation_queue;
590     mutation_queue_t *mutation_queue_tail;
591
592     struct list bindings;
593     struct list selection_list;
594     struct list range_list;
595 };
596
597 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
598 #define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)
599 #define HTMLWINDOW4(x)   ((IHTMLWindow4*)                 &(x)->lpHTMLWindow4Vtbl)
600
601 #define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
602 #define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
603 #define HTMLDOC4(x)      ((IHTMLDocument4*)               &(x)->lpHTMLDocument4Vtbl)
604 #define HTMLDOC5(x)      ((IHTMLDocument5*)               &(x)->lpHTMLDocument5Vtbl)
605 #define HTMLDOC6(x)      ((IHTMLDocument6*)               &(x)->lpHTMLDocument6Vtbl)
606 #define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
607 #define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
608 #define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
609 #define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
610 #define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
611 #define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
612 #define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
613 #define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
614 #define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
615 #define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObjectExVtbl)
616 #define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObjectExVtbl)
617 #define VIEWOBJEX(x)      ((IViewObjectEx*)               &(x)->lpViewObjectExVtbl)
618 #define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
619 #define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
620 #define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
621 #define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
622 #define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
623 #define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
624 #define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
625 #define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
626 #define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
627 #define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
628 #define OBJSITE(x)       ((IObjectWithSite*)              &(x)->lpObjectWithSiteVtbl)
629
630 #define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
631 #define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
632 #define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
633 #define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
634 #define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
635 #define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
636 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
637 #define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
638 #define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)
639
640 #define NSDOCOBS(x)      ((nsIDocumentObserver*)          &(x)->lpIDocumentObserverVtbl)
641
642 #define NSRUNNABLE(x)    ((nsIRunnable*)  &(x)->lpIRunnableVtbl)
643
644 #define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
645 #define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
646 #define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
647 #define NSHTTPINTERNAL(x) ((nsIHttpChannelInternal*)  &(x)->lpIHttpChannelInternalVtbl)
648
649 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
650 #define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
651 #define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);
652
653 #define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
654 #define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
655 #define HTMLELEM3(x)     ((IHTMLElement3*)                &(x)->lpHTMLElement3Vtbl)
656 #define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
657 #define HTMLDOMNODE2(x)  ((IHTMLDOMNode2*)                &(x)->lpHTMLDOMNode2Vtbl)
658
659 #define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)
660 #define HTMLFRAMEBASE(x) ((IHTMLFrameBase*)               &(x)->lpIHTMLFrameBaseVtbl)
661 #define HTMLFRAMEBASE2(x) ((IHTMLFrameBase2*)             &(x)->lpIHTMLFrameBase2Vtbl)
662
663 #define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
664 #define HTMLIMGFACTORY(x)  ((IHTMLImageElementFactory*)   &(x)->lpHTMLImageElementFactoryVtbl)
665 #define HTMLLOCATION(x)    ((IHTMLLocation*)              &(x)->lpHTMLLocationVtbl)
666
667 #define DISPATCHEX(x)    ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
668
669 #define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
670
671 #define HOSTSECMGR(x)    ((IInternetHostSecurityManager*)  &(x)->lpIInternetHostSecurityManagerVtbl)
672
673 #define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
674 #define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)
675
676 HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
677 HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
678 HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocumentObj*,HTMLWindow*,HTMLDocumentNode**);
679
680 HRESULT HTMLWindow_Create(HTMLDocumentObj*,nsIDOMWindow*,HTMLWindow*,HTMLWindow**);
681 void update_window_doc(HTMLWindow*);
682 HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
683 nsIDOMWindow *get_nsdoc_window(nsIDOMDocument*);
684 HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLWindow*);
685 HTMLImageElementFactory *HTMLImageElementFactory_Create(HTMLWindow*);
686 HRESULT HTMLLocation_Create(HTMLWindow*,HTMLLocation**);
687 IOmNavigator *OmNavigator_Create(void);
688 HRESULT HTMLScreen_Create(IHTMLScreen**);
689
690 void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
691 void HTMLDocument_HTMLDocument5_Init(HTMLDocument*);
692 void HTMLDocument_Persist_Init(HTMLDocument*);
693 void HTMLDocument_OleCmd_Init(HTMLDocument*);
694 void HTMLDocument_OleObj_Init(HTMLDocument*);
695 void HTMLDocument_View_Init(HTMLDocument*);
696 void HTMLDocument_Window_Init(HTMLDocument*);
697 void HTMLDocument_Service_Init(HTMLDocument*);
698 void HTMLDocument_Hlink_Init(HTMLDocument*);
699
700 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*);
701
702 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);
703
704 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID,cp_static_data_t*);
705 void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*);
706 void ConnectionPointContainer_Destroy(ConnectionPointContainer*);
707
708 NSContainer *NSContainer_Create(HTMLDocumentObj*,NSContainer*);
709 void NSContainer_Release(NSContainer*);
710
711 void init_mutation(HTMLDocumentNode*);
712 void release_mutation(HTMLDocumentNode*);
713
714 void HTMLDocument_LockContainer(HTMLDocumentObj*,BOOL);
715 void show_context_menu(HTMLDocumentObj*,DWORD,POINT*,IDispatch*);
716 void notif_focus(HTMLDocumentObj*);
717
718 void show_tooltip(HTMLDocumentObj*,DWORD,DWORD,LPCWSTR);
719 void hide_tooltip(HTMLDocumentObj*);
720 HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);
721
722 HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);
723
724 BOOL load_gecko(BOOL);
725 void close_gecko(void);
726 void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
727 void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
728 void release_nsio(void);
729 BOOL install_wine_gecko(BOOL);
730 BOOL is_gecko_path(const char*);
731
732 HRESULT nsuri_to_url(LPCWSTR,BOOL,BSTR*);
733 HRESULT create_doc_uri(HTMLWindow*,WCHAR*,nsWineURI**);
734 HRESULT load_nsuri(HTMLWindow*,nsWineURI*,nsChannelBSC*,DWORD);
735
736 HRESULT hlink_frame_navigate(HTMLDocument*,LPCWSTR,nsIInputStream*,DWORD,BOOL*);
737 HRESULT navigate_url(HTMLWindow*,const WCHAR*,const WCHAR*);
738 HRESULT set_frame_doc(HTMLFrameBase*,nsIDOMDocument*);
739 HRESULT set_moniker(HTMLDocument*,IMoniker*,IBindCtx*,nsChannelBSC*,BOOL);
740
741 void call_property_onchanged(ConnectionPoint*,DISPID);
742 HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);
743
744 void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
745 void nsfree(void*);
746
747 void nsACString_InitDepend(nsACString*,const char*);
748 void nsACString_SetData(nsACString*,const char*);
749 PRUint32 nsACString_GetData(const nsACString*,const char**);
750 void nsACString_Finish(nsACString*);
751
752 BOOL nsAString_Init(nsAString*,const PRUnichar*);
753 void nsAString_InitDepend(nsAString*,const PRUnichar*);
754 void nsAString_SetData(nsAString*,const PRUnichar*);
755 PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**);
756 void nsAString_Finish(nsAString*);
757
758 nsICommandParams *create_nscommand_params(void);
759 HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*);
760 void get_editor_controller(NSContainer*);
761 nsresult get_nsinterface(nsISupports*,REFIID,void**);
762
763 void init_nsevents(HTMLDocumentNode*);
764 void release_nsevents(HTMLDocumentNode*);
765 void add_nsevent_listener(HTMLDocumentNode*,nsIDOMNode*,LPCWSTR);
766
767 void set_window_bscallback(HTMLWindow*,nsChannelBSC*);
768 void set_current_mon(HTMLWindow*,IMoniker*);
769 HRESULT start_binding(HTMLWindow*,HTMLDocumentNode*,BSCallback*,IBindCtx*);
770 HRESULT async_start_doc_binding(HTMLWindow*,nsChannelBSC*);
771 void abort_document_bindings(HTMLDocumentNode*);
772
773 HRESULT bind_mon_to_buffer(HTMLDocumentNode*,IMoniker*,void**,DWORD*);
774
775 HRESULT create_channelbsc(IMoniker*,WCHAR*,BYTE*,DWORD,nsChannelBSC**);
776 HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*);
777 void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*);
778 IMoniker *get_channelbsc_mon(nsChannelBSC*);
779
780 void set_ready_state(HTMLWindow*,READYSTATE);
781
782 HRESULT HTMLSelectionObject_Create(HTMLDocumentNode*,nsISelection*,IHTMLSelectionObject**);
783 HRESULT HTMLTxtRange_Create(HTMLDocumentNode*,nsIDOMRange*,IHTMLTxtRange**);
784 IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
785 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*);
786 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*);
787
788 void detach_selection(HTMLDocumentNode*);
789 void detach_ranges(HTMLDocumentNode*);
790 HRESULT get_node_text(HTMLDOMNode*,BSTR*);
791
792 HRESULT create_nselem(HTMLDocumentNode*,const WCHAR*,nsIDOMHTMLElement**);
793
794 HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocumentNode*,nsIDOMNode*);
795
796 HTMLElement *HTMLElement_Create(HTMLDocumentNode*,nsIDOMNode*,BOOL);
797 HTMLElement *HTMLCommentElement_Create(HTMLDocumentNode*,nsIDOMNode*);
798 HTMLElement *HTMLAnchorElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
799 HTMLElement *HTMLBodyElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
800 HTMLElement *HTMLFormElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
801 HTMLElement *HTMLFrameElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
802 HTMLElement *HTMLIFrame_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
803 HTMLElement *HTMLImgElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
804 HTMLElement *HTMLInputElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
805 HTMLElement *HTMLOptionElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
806 HTMLElement *HTMLScriptElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
807 HTMLElement *HTMLSelectElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
808 HTMLElement *HTMLTable_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
809 HTMLElement *HTMLTableRow_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
810 HTMLElement *HTMLTextAreaElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
811 HTMLElement *HTMLGenericElement_Create(HTMLDocumentNode*,nsIDOMHTMLElement*);
812
813 void HTMLDOMNode_Init(HTMLDocumentNode*,HTMLDOMNode*,nsIDOMNode*);
814 void HTMLElement_Init(HTMLElement*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
815 void HTMLElement2_Init(HTMLElement*);
816 void HTMLElement3_Init(HTMLElement*);
817 void HTMLTextContainer_Init(HTMLTextContainer*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
818 void HTMLFrameBase_Init(HTMLFrameBase*,HTMLDocumentNode*,nsIDOMHTMLElement*,dispex_static_data_t*);
819
820 HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
821 void HTMLDOMNode_destructor(HTMLDOMNode*);
822
823 HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**);
824 void HTMLElement_destructor(HTMLDOMNode*);
825
826 HRESULT HTMLFrameBase_QI(HTMLFrameBase*,REFIID,void**);
827 void HTMLFrameBase_destructor(HTMLFrameBase*);
828
829 HTMLDOMNode *get_node(HTMLDocumentNode*,nsIDOMNode*,BOOL);
830 void release_nodes(HTMLDocumentNode*);
831
832 void release_script_hosts(HTMLWindow*);
833 void connect_scripts(HTMLWindow*);
834 void doc_insert_script(HTMLWindow*,nsIDOMHTMLScriptElement*);
835 IDispatch *script_parse_event(HTMLWindow*,LPCWSTR);
836 void set_script_mode(HTMLWindow*,SCRIPTMODE);
837 BOOL find_global_prop(HTMLWindow*,BSTR,DWORD,ScriptHost**,DISPID*);
838 IDispatch *get_script_disp(ScriptHost*);
839 HRESULT search_window_props(HTMLWindow*,BSTR,DWORD,DISPID*);
840
841 IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL);
842 IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode*,IUnknown*,nsIDOMNodeList*);
843 IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode*,IUnknown*,nsIDOMHTMLCollection*);
844
845 /* commands */
846 typedef struct {
847     DWORD id;
848     HRESULT (*query)(HTMLDocument*,OLECMD*);
849     HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
850 } cmdtable_t;
851
852 extern const cmdtable_t editmode_cmds[];
853
854 void do_ns_command(HTMLDocument*,const char*,nsICommandParams*);
855
856 /* timer */
857 #define UPDATE_UI       0x0001
858 #define UPDATE_TITLE    0x0002
859
860 void update_doc(HTMLDocument*,DWORD);
861 void update_title(HTMLDocumentObj*);
862
863 /* editor */
864 void init_editor(HTMLDocument*);
865 void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
866 HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
867 HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
868 HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
869 void handle_edit_load(HTMLDocument*);
870 HRESULT editor_is_dirty(HTMLDocument*);
871 void set_dirty(HTMLDocument*,VARIANT_BOOL);
872
873 extern DWORD mshtml_tls;
874
875 typedef struct task_t task_t;
876 typedef void (*task_proc_t)(task_t*);
877
878 struct task_t {
879     LONG target_magic;
880     task_proc_t proc;
881     struct task_t *next;
882 };
883
884 typedef struct {
885     task_t header;
886     HTMLDocumentObj *doc;
887 } docobj_task_t;
888
889 typedef struct {
890     HWND thread_hwnd;
891     task_t *task_queue_head;
892     task_t *task_queue_tail;
893     struct list timer_list;
894 } thread_data_t;
895
896 thread_data_t *get_thread_data(BOOL);
897 HWND get_thread_hwnd(void);
898
899 LONG get_task_target_magic(void);
900 void push_task(task_t*,task_proc_t,LONG);
901 void remove_target_tasks(LONG);
902
903 DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*);
904 HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD);
905
906 void release_typelib(void);
907 HRESULT call_disp_func(IDispatch*,DISPPARAMS*);
908
909 const char *debugstr_variant(const VARIANT*);
910
911 DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
912 DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
913 DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
914 DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
915 DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);
916
917 DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);
918
919 /* memory allocation functions */
920
921 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
922 {
923     return HeapAlloc(GetProcessHeap(), 0, len);
924 }
925
926 static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
927 {
928     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
929 }
930
931 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
932 {
933     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
934 }
935
936 static inline void * __WINE_ALLOC_SIZE(2) heap_realloc_zero(void *mem, size_t len)
937 {
938     return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
939 }
940
941 static inline BOOL heap_free(void *mem)
942 {
943     return HeapFree(GetProcessHeap(), 0, mem);
944 }
945
946 static inline LPWSTR heap_strdupW(LPCWSTR str)
947 {
948     LPWSTR ret = NULL;
949
950     if(str) {
951         DWORD size;
952
953         size = (strlenW(str)+1)*sizeof(WCHAR);
954         ret = heap_alloc(size);
955         memcpy(ret, str, size);
956     }
957
958     return ret;
959 }
960
961 static inline LPWSTR heap_strndupW(LPCWSTR str, unsigned len)
962 {
963     LPWSTR ret = NULL;
964
965     if(str) {
966         ret = heap_alloc((len+1)*sizeof(WCHAR));
967         memcpy(ret, str, len*sizeof(WCHAR));
968         ret[len] = 0;
969     }
970
971     return ret;
972 }
973
974 static inline char *heap_strdupA(const char *str)
975 {
976     char *ret = NULL;
977
978     if(str) {
979         DWORD size;
980
981         size = strlen(str)+1;
982         ret = heap_alloc(size);
983         memcpy(ret, str, size);
984     }
985
986     return ret;
987 }
988
989 static inline WCHAR *heap_strdupAtoW(const char *str)
990 {
991     LPWSTR ret = NULL;
992
993     if(str) {
994         DWORD len;
995
996         len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
997         ret = heap_alloc(len*sizeof(WCHAR));
998         MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
999     }
1000
1001     return ret;
1002 }
1003
1004 static inline char *heap_strdupWtoA(LPCWSTR str)
1005 {
1006     char *ret = NULL;
1007
1008     if(str) {
1009         DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
1010         ret = heap_alloc(size);
1011         WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
1012     }
1013
1014     return ret;
1015 }
1016
1017 static inline void windowref_addref(windowref_t *ref)
1018 {
1019     InterlockedIncrement(&ref->ref);
1020 }
1021
1022 static inline void windowref_release(windowref_t *ref)
1023 {
1024     if(!InterlockedDecrement(&ref->ref))
1025         heap_free(ref);
1026 }
1027
1028 HDC get_display_dc(void);
1029 HINSTANCE get_shdoclc(void);
1030 void set_statustext(HTMLDocumentObj*,INT,LPCWSTR);
1031
1032 extern HINSTANCE hInst;