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