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mshtml_private.h

/*
 * Copyright 2005-2008 Jacek Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "wingdi.h"
#include "docobj.h"
#include "mshtml.h"
#include "mshtmhst.h"
#include "hlink.h"
#include "perhist.h"
#include "dispex.h"

#include "wine/list.h"
#include "wine/unicode.h"

#ifdef INIT_GUID
#include "initguid.h"
#endif

#include "nsiface.h"

#define NS_OK                     ((nsresult)0x00000000L)
#define NS_ERROR_FAILURE          ((nsresult)0x80004005L)
#define NS_NOINTERFACE            ((nsresult)0x80004002L)
#define NS_ERROR_NOT_IMPLEMENTED  ((nsresult)0x80004001L)
#define NS_ERROR_INVALID_ARG      ((nsresult)0x80070057L) 
#define NS_ERROR_UNEXPECTED       ((nsresult)0x8000ffffL)
#define NS_ERROR_UNKNOWN_PROTOCOL ((nsresult)0x804b0012L)

#define NS_FAILED(res) ((res) & 0x80000000)
#define NS_SUCCEEDED(res) (!NS_FAILED(res))

#define NSAPI WINAPI

#define MSHTML_E_NODOC    0x800a025c

typedef struct HTMLDOMNode HTMLDOMNode;
typedef struct ConnectionPoint ConnectionPoint;
typedef struct BSCallback BSCallback;
typedef struct nsChannelBSC nsChannelBSC;
typedef struct event_target_t event_target_t;

/* NOTE: make sure to keep in sync with dispex.c */
typedef enum {
    NULL_tid,
    DispCEventObj_tid,
    DispDOMChildrenCollection_tid,
    DispHTMLBody_tid,
    DispHTMLCommentElement_tid,
    DispHTMLCurrentStyle_tid,
    DispHTMLDocument_tid,
    DispHTMLDOMTextNode_tid,
    DispHTMLElementCollection_tid,
    DispHTMLGenericElement_tid,
    DispHTMLIFrame_tid,
    DispHTMLImg_tid,
    DispHTMLInputElement_tid,
    DispHTMLLocation_tid,
    DispHTMLNavigator_tid,
    DispHTMLOptionElement_tid,
    DispHTMLSelectElement_tid,
    DispHTMLStyle_tid,
    DispHTMLTable_tid,
    DispHTMLTableRow_tid,
    DispHTMLUnknownElement_tid,
    DispHTMLWindow2_tid,
    IHTMLBodyElement_tid,
    IHTMLBodyElement2_tid,
    IHTMLCommentElement_tid,
    IHTMLCurrentStyle_tid,
    IHTMLCurrentStyle2_tid,
    IHTMLCurrentStyle3_tid,
    IHTMLCurrentStyle4_tid,
    IHTMLDocument2_tid,
    IHTMLDocument3_tid,
    IHTMLDocument4_tid,
    IHTMLDocument5_tid,
    IHTMLDOMChildrenCollection_tid,
    IHTMLDOMNode_tid,
    IHTMLDOMNode2_tid,
    IHTMLDOMTextNode_tid,
    IHTMLElement_tid,
    IHTMLElement2_tid,
    IHTMLElement3_tid,
    IHTMLElement4_tid,
    IHTMLElementCollection_tid,
    IHTMLEventObj_tid,
    IHTMLFrameBase2_tid,
    IHTMLGenericElement_tid,
    IHTMLImgElement_tid,
    IHTMLInputElement_tid,
    IHTMLLocation_tid,
    IHTMLOptionElement_tid,
    IHTMLSelectElement_tid,
    IHTMLStyle_tid,
    IHTMLStyle2_tid,
    IHTMLStyle3_tid,
    IHTMLStyle4_tid,
    IHTMLTable_tid,
    IHTMLTableRow_tid,
    IHTMLTextContainer_tid,
    IHTMLUniqueName_tid,
    IHTMLWindow2_tid,
    IHTMLWindow3_tid,
    IOmNavigator_tid,
    LAST_tid
} tid_t;

typedef struct dispex_data_t dispex_data_t;
typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;

#define MSHTML_DISPID_CUSTOM_MIN 0x60000000
#define MSHTML_DISPID_CUSTOM_MAX 0x6fffffff

typedef struct {
    HRESULT (*value)(IUnknown*,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
    HRESULT (*get_dispid)(IUnknown*,BSTR,DWORD,DISPID*);
    HRESULT (*invoke)(IUnknown*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*,IServiceProvider*);
} dispex_static_data_vtbl_t;

typedef struct {
    const dispex_static_data_vtbl_t *vtbl;
    const tid_t disp_tid;
    dispex_data_t *data;
    const tid_t* const iface_tids;
} dispex_static_data_t;

typedef struct {
    const IDispatchExVtbl  *lpIDispatchExVtbl;

    IUnknown *outer;

    dispex_static_data_t *data;
    dispex_dynamic_data_t *dynamic_data;
} DispatchEx;

void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*);
void release_dispex(DispatchEx*);
BOOL dispex_query_interface(DispatchEx*,REFIID,void**);
HRESULT dispex_get_dprop_ref(DispatchEx*,const WCHAR*,BOOL,VARIANT**);

typedef struct {
    DispatchEx dispex;
    const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
    const IHTMLWindow3Vtbl *lpHTMLWindow3Vtbl;
    const IDispatchExVtbl  *lpIDispatchExVtbl;

    LONG ref;

    HTMLDocument *doc;
    nsIDOMWindow *nswindow;

    IHTMLEventObj *event;

    struct list entry;
} HTMLWindow;

typedef enum {
    UNKNOWN_USERMODE,
    BROWSEMODE,
    EDITMODE        
} USERMODE;

typedef enum {
    SCRIPTMODE_GECKO,
    SCRIPTMODE_ACTIVESCRIPT
} SCRIPTMODE;

typedef struct {
    const IConnectionPointContainerVtbl  *lpConnectionPointContainerVtbl;

    ConnectionPoint *cp_list;
    IUnknown *outer;
} ConnectionPointContainer;

struct ConnectionPoint {
    const IConnectionPointVtbl *lpConnectionPointVtbl;

    IConnectionPointContainer *container;

    union {
        IUnknown *unk;
        IDispatch *disp;
        IPropertyNotifySink *propnotif;
    } *sinks;
    DWORD sinks_size;

    const IID *iid;

    ConnectionPoint *next;
};

struct HTMLLocation {
    DispatchEx dispex;
    const IHTMLLocationVtbl *lpHTMLLocationVtbl;

    LONG ref;

    HTMLDocument *doc;
};

typedef struct {
    const IHTMLOptionElementFactoryVtbl *lpHTMLOptionElementFactoryVtbl;

    LONG ref;

    HTMLDocument *doc;
} HTMLOptionElementFactory;

struct HTMLDocument {
    DispatchEx dispex;
    const IHTMLDocument2Vtbl              *lpHTMLDocument2Vtbl;
    const IHTMLDocument3Vtbl              *lpHTMLDocument3Vtbl;
    const IHTMLDocument4Vtbl              *lpHTMLDocument4Vtbl;
    const IHTMLDocument5Vtbl              *lpHTMLDocument5Vtbl;
    const IPersistMonikerVtbl             *lpPersistMonikerVtbl;
    const IPersistFileVtbl                *lpPersistFileVtbl;
    const IPersistHistoryVtbl             *lpPersistHistoryVtbl;
    const IMonikerPropVtbl                *lpMonikerPropVtbl;
    const IOleObjectVtbl                  *lpOleObjectVtbl;
    const IOleDocumentVtbl                *lpOleDocumentVtbl;
    const IOleDocumentViewVtbl            *lpOleDocumentViewVtbl;
    const IOleInPlaceActiveObjectVtbl     *lpOleInPlaceActiveObjectVtbl;
    const IViewObject2Vtbl                *lpViewObject2Vtbl;
    const IOleInPlaceObjectWindowlessVtbl *lpOleInPlaceObjectWindowlessVtbl;
    const IServiceProviderVtbl            *lpServiceProviderVtbl;
    const IOleCommandTargetVtbl           *lpOleCommandTargetVtbl;
    const IOleControlVtbl                 *lpOleControlVtbl;
    const IHlinkTargetVtbl                *lpHlinkTargetVtbl;
    const IPersistStreamInitVtbl          *lpPersistStreamInitVtbl;
    const ICustomDocVtbl                  *lpCustomDocVtbl;
    const IDispatchExVtbl                 *lpIDispatchExVtbl;
    const ISupportErrorInfoVtbl           *lpSupportErrorInfoVtbl;
    LONG ref;

    NSContainer *nscontainer;
    HTMLWindow *window;
    nsIDOMHTMLDocument *nsdoc;

    IOleClientSite *client;
    IDocHostUIHandler *hostui;
    IOleInPlaceSite *ipsite;
    IOleInPlaceFrame *frame;
    IOleInPlaceUIWindow *ip_window;

    IOleUndoManager *undomgr;

    nsChannelBSC *bscallback;
    IMoniker *mon;
    LPOLESTR url;
    struct list bindings;

    struct list script_hosts;

    HWND hwnd;
    HWND tooltips_hwnd;

    DOCHOSTUIINFO hostinfo;

    USERMODE usermode;
    SCRIPTMODE scriptmode;
    READYSTATE readystate;
    BOOL in_place_active;
    BOOL ui_active;
    BOOL window_active;
    BOOL has_key_path;
    BOOL container_locked;
    BOOL focus;
    LPWSTR mime;

    DWORD update;

    event_target_t *event_target;
    ConnectionPointContainer cp_container;
    ConnectionPoint cp_htmldocevents;
    ConnectionPoint cp_htmldocevents2;
    ConnectionPoint cp_propnotif;

    HTMLOptionElementFactory *option_factory;
    HTMLLocation *location;

    struct list selection_list;
    struct list range_list;

    HTMLDOMNode *nodes;
};

typedef struct {
    const nsIDOMEventListenerVtbl      *lpDOMEventListenerVtbl;
    NSContainer *This;
} nsEventListener;

typedef struct _mutation_queue_t {
    DWORD type;
    nsISupports *nsiface;

    struct _mutation_queue_t *next;
} mutation_queue_t;

struct NSContainer {
    const nsIWebBrowserChromeVtbl       *lpWebBrowserChromeVtbl;
    const nsIContextMenuListenerVtbl    *lpContextMenuListenerVtbl;
    const nsIURIContentListenerVtbl     *lpURIContentListenerVtbl;
    const nsIEmbeddingSiteWindowVtbl    *lpEmbeddingSiteWindowVtbl;
    const nsITooltipListenerVtbl        *lpTooltipListenerVtbl;
    const nsIInterfaceRequestorVtbl     *lpInterfaceRequestorVtbl;
    const nsIWeakReferenceVtbl          *lpWeakReferenceVtbl;
    const nsISupportsWeakReferenceVtbl  *lpSupportsWeakReferenceVtbl;

    const nsIDocumentObserverVtbl       *lpDocumentObserverVtbl;

    const nsIRunnableVtbl  *lpRunnableVtbl;

    nsEventListener blur_listener;
    nsEventListener focus_listener;
    nsEventListener keypress_listener;
    nsEventListener load_listener;
    nsEventListener htmlevent_listener;

    nsIWebBrowser *webbrowser;
    nsIWebNavigation *navigation;
    nsIBaseWindow *window;
    nsIWebBrowserFocus *focus;

    nsIEditor *editor;
    nsIController *editor_controller;

    LONG ref;

    NSContainer *parent;
    HTMLDocument *doc;

    nsIURIContentListener *content_listener;

    HWND hwnd;

    mutation_queue_t *mutation_queue;
    mutation_queue_t *mutation_queue_tail;

    nsChannelBSC *bscallback; /* hack */
    HWND reset_focus; /* hack */

    BOOL *event_vector;
};

typedef struct {
    const nsIHttpChannelVtbl *lpHttpChannelVtbl;
    const nsIUploadChannelVtbl *lpUploadChannelVtbl;
    const nsIHttpChannelInternalVtbl *lpIHttpChannelInternalVtbl;

    LONG ref;

    nsIChannel *channel;
    nsIHttpChannel *http_channel;
    nsIHttpChannelInternal *http_channel_internal;
    nsIWineURI *uri;
    nsIInputStream *post_data_stream;
    nsILoadGroup *load_group;
    nsIInterfaceRequestor *notif_callback;
    nsISupports *owner;
    nsLoadFlags load_flags;
    nsIURI *original_uri;
    char *content_type;
    char *charset;
    PRUint32 response_status;
} nsChannel;

typedef struct {
    HRESULT (*qi)(HTMLDOMNode*,REFIID,void**);
    void (*destructor)(HTMLDOMNode*);
    HRESULT (*put_disabled)(HTMLDOMNode*,VARIANT_BOOL);
    HRESULT (*get_disabled)(HTMLDOMNode*,VARIANT_BOOL*);
} NodeImplVtbl;

struct HTMLDOMNode {
    DispatchEx dispex;
    const IHTMLDOMNodeVtbl   *lpHTMLDOMNodeVtbl;
    const IHTMLDOMNode2Vtbl  *lpHTMLDOMNode2Vtbl;
    const NodeImplVtbl *vtbl;

    LONG ref;

    nsIDOMNode *nsnode;
    HTMLDocument *doc;
    event_target_t *event_target;

    HTMLDOMNode *next;
};

typedef struct {
    HTMLDOMNode node;
    ConnectionPointContainer cp_container;

    const IHTMLElementVtbl   *lpHTMLElementVtbl;
    const IHTMLElement2Vtbl  *lpHTMLElement2Vtbl;
    const IHTMLElement3Vtbl  *lpHTMLElement3Vtbl;

    nsIDOMHTMLElement *nselem;
} HTMLElement;

typedef struct {
    HTMLElement element;

    const IHTMLTextContainerVtbl *lpHTMLTextContainerVtbl;

    ConnectionPoint cp;
} HTMLTextContainer;

#define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)
#define HTMLWINDOW3(x)   ((IHTMLWindow3*)                 &(x)->lpHTMLWindow3Vtbl)

#define HTMLDOC(x)       ((IHTMLDocument2*)               &(x)->lpHTMLDocument2Vtbl)
#define HTMLDOC3(x)      ((IHTMLDocument3*)               &(x)->lpHTMLDocument3Vtbl)
#define HTMLDOC4(x)      ((IHTMLDocument4*)               &(x)->lpHTMLDocument4Vtbl)
#define HTMLDOC5(x)      ((IHTMLDocument5*)               &(x)->lpHTMLDocument5Vtbl)
#define PERSIST(x)       ((IPersist*)                     &(x)->lpPersistFileVtbl)
#define PERSISTMON(x)    ((IPersistMoniker*)              &(x)->lpPersistMonikerVtbl)
#define PERSISTFILE(x)   ((IPersistFile*)                 &(x)->lpPersistFileVtbl)
#define MONPROP(x)       ((IMonikerProp*)                 &(x)->lpMonikerPropVtbl)
#define OLEOBJ(x)        ((IOleObject*)                   &(x)->lpOleObjectVtbl)
#define OLEDOC(x)        ((IOleDocument*)                 &(x)->lpOleDocumentVtbl)
#define DOCVIEW(x)       ((IOleDocumentView*)             &(x)->lpOleDocumentViewVtbl)
#define OLEWIN(x)        ((IOleWindow*)                   &(x)->lpOleInPlaceActiveObjectVtbl)
#define ACTOBJ(x)        ((IOleInPlaceActiveObject*)      &(x)->lpOleInPlaceActiveObjectVtbl)
#define VIEWOBJ(x)       ((IViewObject*)                  &(x)->lpViewObject2Vtbl)
#define VIEWOBJ2(x)      ((IViewObject2*)                 &(x)->lpViewObject2Vtbl)
#define INPLACEOBJ(x)    ((IOleInPlaceObject*)            &(x)->lpOleInPlaceObjectWindowlessVtbl)
#define INPLACEWIN(x)    ((IOleInPlaceObjectWindowless*)  &(x)->lpOleInPlaceObjectWindowlessVtbl)
#define SERVPROV(x)      ((IServiceProvider*)             &(x)->lpServiceProviderVtbl)
#define CMDTARGET(x)     ((IOleCommandTarget*)            &(x)->lpOleCommandTargetVtbl)
#define CONTROL(x)       ((IOleControl*)                  &(x)->lpOleControlVtbl)
#define HLNKTARGET(x)    ((IHlinkTarget*)                 &(x)->lpHlinkTargetVtbl)
#define CONPTCONT(x)     ((IConnectionPointContainer*)    &(x)->lpConnectionPointContainerVtbl)
#define PERSTRINIT(x)    ((IPersistStreamInit*)           &(x)->lpPersistStreamInitVtbl)
#define PERSISTHIST(x)   ((IPersistHistory*)              &(x)->lpPersistHistoryVtbl)
#define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)

#define NSWBCHROME(x)    ((nsIWebBrowserChrome*)          &(x)->lpWebBrowserChromeVtbl)
#define NSCML(x)         ((nsIContextMenuListener*)       &(x)->lpContextMenuListenerVtbl)
#define NSURICL(x)       ((nsIURIContentListener*)        &(x)->lpURIContentListenerVtbl)
#define NSEMBWNDS(x)     ((nsIEmbeddingSiteWindow*)       &(x)->lpEmbeddingSiteWindowVtbl)
#define NSIFACEREQ(x)    ((nsIInterfaceRequestor*)        &(x)->lpInterfaceRequestorVtbl)
#define NSTOOLTIP(x)     ((nsITooltipListener*)           &(x)->lpTooltipListenerVtbl)
#define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
#define NSWEAKREF(x)     ((nsIWeakReference*)             &(x)->lpWeakReferenceVtbl)
#define NSSUPWEAKREF(x)  ((nsISupportsWeakReference*)     &(x)->lpSupportsWeakReferenceVtbl)

#define NSDOCOBS(x)      ((nsIDocumentObserver*)          &(x)->lpDocumentObserverVtbl)

#define NSRUNNABLE(x)    ((nsIRunnable*)  &(x)->lpRunnableVtbl)

#define NSCHANNEL(x)     ((nsIChannel*)        &(x)->lpHttpChannelVtbl)
#define NSHTTPCHANNEL(x) ((nsIHttpChannel*)    &(x)->lpHttpChannelVtbl)
#define NSUPCHANNEL(x)   ((nsIUploadChannel*)  &(x)->lpUploadChannelVtbl)
#define NSHTTPINTERNAL(x) ((nsIHttpChannelInternal*)  &(x)->lpIHttpChannelInternalVtbl)

#define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)
#define STATUSCLB(x)     ((IBindStatusCallback*)          &(x)->lpBindStatusCallbackVtbl)
#define BINDINFO(x)      ((IInternetBindInfo*)            &(x)->lpInternetBindInfoVtbl);

#define HTMLELEM(x)      ((IHTMLElement*)                 &(x)->lpHTMLElementVtbl)
#define HTMLELEM2(x)     ((IHTMLElement2*)                &(x)->lpHTMLElement2Vtbl)
#define HTMLELEM3(x)     ((IHTMLElement3*)                &(x)->lpHTMLElement3Vtbl)
#define HTMLDOMNODE(x)   ((IHTMLDOMNode*)                 &(x)->lpHTMLDOMNodeVtbl)
#define HTMLDOMNODE2(x)  ((IHTMLDOMNode2*)                &(x)->lpHTMLDOMNode2Vtbl)

#define HTMLTEXTCONT(x)  ((IHTMLTextContainer*)           &(x)->lpHTMLTextContainerVtbl)

#define HTMLOPTFACTORY(x)  ((IHTMLOptionElementFactory*)  &(x)->lpHTMLOptionElementFactoryVtbl)
#define HTMLLOCATION(x)  ((IHTMLLocation*) &(x)->lpHTMLLocationVtbl)

#define DISPATCHEX(x)    ((IDispatchEx*) &(x)->lpIDispatchExVtbl)

#define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)

#define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
#define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)

HRESULT HTMLDocument_Create(IUnknown*,REFIID,void**);
HRESULT HTMLLoadOptions_Create(IUnknown*,REFIID,void**);
HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument*,HTMLDocument**);

HRESULT HTMLWindow_Create(HTMLDocument*,nsIDOMWindow*,HTMLWindow**);
HTMLWindow *nswindow_to_window(const nsIDOMWindow*);
HTMLOptionElementFactory *HTMLOptionElementFactory_Create(HTMLDocument*);
HTMLLocation *HTMLLocation_Create(HTMLDocument*);
IOmNavigator *OmNavigator_Create(void);

void HTMLDocument_HTMLDocument3_Init(HTMLDocument*);
void HTMLDocument_HTMLDocument5_Init(HTMLDocument*);
void HTMLDocument_Persist_Init(HTMLDocument*);
void HTMLDocument_OleCmd_Init(HTMLDocument*);
void HTMLDocument_OleObj_Init(HTMLDocument*);
void HTMLDocument_View_Init(HTMLDocument*);
void HTMLDocument_Window_Init(HTMLDocument*);
void HTMLDocument_Service_Init(HTMLDocument*);
void HTMLDocument_Hlink_Init(HTMLDocument*);

HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);

void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID);
void ConnectionPointContainer_Init(ConnectionPointContainer*,IUnknown*);
void ConnectionPointContainer_Destroy(ConnectionPointContainer*);

NSContainer *NSContainer_Create(HTMLDocument*,NSContainer*);
void NSContainer_Release(NSContainer*);

void init_mutation(NSContainer*);
void set_mutation_observer(NSContainer*,nsIDOMHTMLDocument*);
void remove_mutation_observer(NSContainer*,nsIDOMHTMLDocument*);

void HTMLDocument_LockContainer(HTMLDocument*,BOOL);
void show_context_menu(HTMLDocument*,DWORD,POINT*,IDispatch*);
void notif_focus(HTMLDocument*);

void show_tooltip(HTMLDocument*,DWORD,DWORD,LPCWSTR);
void hide_tooltip(HTMLDocument*);
HRESULT get_client_disp_property(IOleClientSite*,DISPID,VARIANT*);

HRESULT ProtocolFactory_Create(REFCLSID,REFIID,void**);

BOOL load_gecko(BOOL);
void close_gecko(void);
void register_nsservice(nsIComponentRegistrar*,nsIServiceManager*);
void init_nsio(nsIComponentManager*,nsIComponentRegistrar*);
void release_nsio(void);
BOOL install_wine_gecko(BOOL);

HRESULT nsuri_to_url(LPCWSTR,BSTR*);

void hlink_frame_navigate(HTMLDocument*,IHlinkFrame*,LPCWSTR,nsIInputStream*,DWORD);

void call_property_onchanged(ConnectionPoint*,DISPID);
HRESULT call_set_active_object(IOleInPlaceUIWindow*,IOleInPlaceActiveObject*);

void *nsalloc(size_t) __WINE_ALLOC_SIZE(1);
void nsfree(void*);

void nsACString_Init(nsACString*,const char*);
void nsACString_SetData(nsACString*,const char*);
PRUint32 nsACString_GetData(const nsACString*,const char**);
void nsACString_Finish(nsACString*);

void nsAString_Init(nsAString*,const PRUnichar*);
void nsAString_SetData(nsAString*,const PRUnichar*);
PRUint32 nsAString_GetData(const nsAString*,const PRUnichar**);
void nsAString_Finish(nsAString*);

nsICommandParams *create_nscommand_params(void);
HRESULT nsnode_to_nsstring(nsIDOMNode*,nsAString*);
void get_editor_controller(NSContainer*);
void init_nsevents(NSContainer*);
void add_nsevent_listener(NSContainer*,LPCWSTR);
nsresult get_nsinterface(nsISupports*,REFIID,void**);
void update_nsdocument(HTMLDocument*);

void set_document_bscallback(HTMLDocument*,nsChannelBSC*);
void set_current_mon(HTMLDocument*,IMoniker*);
HRESULT start_binding(HTMLDocument*,BSCallback*,IBindCtx*);

HRESULT bind_mon_to_buffer(HTMLDocument*,IMoniker*,void**,DWORD*);

nsChannelBSC *create_channelbsc(IMoniker*);
HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*);
void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*);
IMoniker *get_channelbsc_mon(nsChannelBSC*);

IHTMLSelectionObject *HTMLSelectionObject_Create(HTMLDocument*,nsISelection*);
IHTMLTxtRange *HTMLTxtRange_Create(HTMLDocument*,nsIDOMRange*);
IHTMLStyle *HTMLStyle_Create(nsIDOMCSSStyleDeclaration*);
IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet*);
IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList*);

void detach_selection(HTMLDocument*);
void detach_ranges(HTMLDocument*);
HRESULT get_node_text(HTMLDOMNode*,BSTR*);

HTMLDOMNode *HTMLDOMTextNode_Create(HTMLDocument*,nsIDOMNode*);

HTMLElement *HTMLElement_Create(HTMLDocument*,nsIDOMNode*,BOOL);
HTMLElement *HTMLCommentElement_Create(HTMLDocument*,nsIDOMNode*);
HTMLElement *HTMLAnchorElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLBodyElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLIFrame_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLImgElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLInputElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLOptionElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLScriptElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLSelectElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLTable_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLTableRow_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLTextAreaElement_Create(nsIDOMHTMLElement*);
HTMLElement *HTMLGenericElement_Create(nsIDOMHTMLElement*);

void HTMLDOMNode_Init(HTMLDocument*,HTMLDOMNode*,nsIDOMNode*);
void HTMLElement_Init(HTMLElement*);
void HTMLElement2_Init(HTMLElement*);
void HTMLElement3_Init(HTMLElement*);
void HTMLTextContainer_Init(HTMLTextContainer*);

HRESULT HTMLDOMNode_QI(HTMLDOMNode*,REFIID,void**);
void HTMLDOMNode_destructor(HTMLDOMNode*);

HRESULT HTMLElement_QI(HTMLDOMNode*,REFIID,void**);
void HTMLElement_destructor(HTMLDOMNode*);

HTMLDOMNode *get_node(HTMLDocument*,nsIDOMNode*,BOOL);
void release_nodes(HTMLDocument*);

void release_script_hosts(HTMLDocument*);
void connect_scripts(HTMLDocument*);
void doc_insert_script(HTMLDocument*,nsIDOMHTMLScriptElement*);
IDispatch *script_parse_event(HTMLDocument*,LPCWSTR);
void set_script_mode(HTMLDocument*,SCRIPTMODE);

IHTMLElementCollection *create_all_collection(HTMLDOMNode*,BOOL);
IHTMLElementCollection *create_collection_from_nodelist(HTMLDocument*,IUnknown*,nsIDOMNodeList*);
IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocument*,IUnknown*,nsIDOMHTMLCollection*);

/* commands */
typedef struct {
    DWORD id;
    HRESULT (*query)(HTMLDocument*,OLECMD*);
    HRESULT (*exec)(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
} cmdtable_t;

extern const cmdtable_t editmode_cmds[];

void do_ns_command(NSContainer*,const char*,nsICommandParams*);

/* timer */
#define UPDATE_UI       0x0001
#define UPDATE_TITLE    0x0002

void update_doc(HTMLDocument *This, DWORD flags);
void update_title(HTMLDocument*);

/* editor */
void init_editor(HTMLDocument*);
void set_ns_editmode(NSContainer*);
void handle_edit_event(HTMLDocument*,nsIDOMEvent*);
HRESULT editor_exec_copy(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
HRESULT editor_exec_cut(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
HRESULT editor_exec_paste(HTMLDocument*,DWORD,VARIANT*,VARIANT*);
void handle_edit_load(HTMLDocument*);
HRESULT editor_is_dirty(HTMLDocument*);
void set_dirty(HTMLDocument*,VARIANT_BOOL);

extern DWORD mshtml_tls;

typedef struct task_t {
    HTMLDocument *doc;

    enum {
        TASK_SETDOWNLOADSTATE,
        TASK_PARSECOMPLETE,
        TASK_SETPROGRESS,
        TASK_START_BINDING
    } task_id;

    nsChannelBSC *bscallback;

    struct task_t *next;
} task_t;

typedef struct {
    HWND thread_hwnd;
    task_t *task_queue_head;
    task_t *task_queue_tail;
    struct list timer_list;
} thread_data_t;

thread_data_t *get_thread_data(BOOL);
HWND get_thread_hwnd(void);
void push_task(task_t*);
void remove_doc_tasks(const HTMLDocument*);
DWORD set_task_timer(HTMLDocument*,DWORD,BOOL,IDispatch*);
HRESULT clear_task_timer(HTMLDocument*,BOOL,DWORD);

void release_typelib(void);
void call_disp_func(HTMLDocument*,IDispatch*,IDispatch*);

const char *debugstr_variant(const VARIANT*);

DEFINE_GUID(CLSID_AboutProtocol, 0x3050F406, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
DEFINE_GUID(CLSID_JSProtocol, 0x3050F3B2, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
DEFINE_GUID(CLSID_MailtoProtocol, 0x3050F3DA, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
DEFINE_GUID(CLSID_ResProtocol, 0x3050F3BC, 0x98B5, 0x11CF, 0xBB,0x82, 0x00,0xAA,0x00,0xBD,0xCE,0x0B);
DEFINE_GUID(CLSID_SysimageProtocol, 0x76E67A63, 0x06E9, 0x11D2, 0xA8,0x40, 0x00,0x60,0x08,0x05,0x93,0x82);

DEFINE_GUID(CLSID_CMarkup,0x3050f4fb,0x98b5,0x11cf,0xbb,0x82,0x00,0xaa,0x00,0xbd,0xce,0x0b);

/* memory allocation functions */

static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
{
    return HeapAlloc(GetProcessHeap(), 0, len);
}

static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
{
    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
}

static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t len)
{
    return HeapReAlloc(GetProcessHeap(), 0, mem, len);
}

static inline BOOL heap_free(void *mem)
{
    return HeapFree(GetProcessHeap(), 0, mem);
}

static inline LPWSTR heap_strdupW(LPCWSTR str)
{
    LPWSTR ret = NULL;

    if(str) {
        DWORD size;

        size = (strlenW(str)+1)*sizeof(WCHAR);
        ret = heap_alloc(size);
        memcpy(ret, str, size);
    }

    return ret;
}

static inline char *heap_strdupA(const char *str)
{
    char *ret = NULL;

    if(str) {
        DWORD size;

        size = strlen(str)+1;
        ret = heap_alloc(size);
        memcpy(ret, str, size);
    }

    return ret;
}

static inline WCHAR *heap_strdupAtoW(const char *str)
{
    LPWSTR ret = NULL;

    if(str) {
        DWORD len;

        len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
        ret = heap_alloc(len*sizeof(WCHAR));
        MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
    }

    return ret;
}

static inline char *heap_strdupWtoA(LPCWSTR str)
{
    char *ret = NULL;

    if(str) {
        DWORD size = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
        ret = heap_alloc(size);
        WideCharToMultiByte(CP_ACP, 0, str, -1, ret, size, NULL, NULL);
    }

    return ret;
}

HINSTANCE get_shdoclc(void);

extern HINSTANCE hInst;

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